diff options
Diffstat (limited to 'tools/regression')
108 files changed, 16526 insertions, 3 deletions
diff --git a/tools/regression/fifo/fifo_create/Makefile b/tools/regression/fifo/fifo_create/Makefile new file mode 100644 index 0000000..10e2b14 --- /dev/null +++ b/tools/regression/fifo/fifo_create/Makefile @@ -0,0 +1,7 @@ +# $FreeBSD$ + +PROG= fifo_create +MAN= +WARNS?= 3 + +.include <bsd.prog.mk> diff --git a/tools/regression/fifo/fifo_create/fifo_create.c b/tools/regression/fifo/fifo_create/fifo_create.c new file mode 100644 index 0000000..4e8a8a4 --- /dev/null +++ b/tools/regression/fifo/fifo_create/fifo_create.c @@ -0,0 +1,285 @@ +/*- + * Copyright (c) 2005-2008 Robert N. M. Watson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/stat.h> + +#include <err.h> +#include <errno.h> +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +/* + * Simple regression test for the creation and destruction of POSIX fifos in + * the file system name space. Using a specially created directory, create + * a fifo in it and check that the following properties are present, as + * specified in IEEE Std 1003.1, 2004 Edition: + * + * - When mkfifo() or mknod(S_IFIFO) is called, on success, a fifo is + * created. + * + * - On an error, no fifo is created. (XXX: Not tested) + * + * - The mode bits on the fifo are a product of combining the umask and + * requested mode. + * + * - The fifo's owner will be the processes effective user ID. (XXX: Not + * tested) + * + * - The fifo's group will be the parent directory's group or the effective + * group ID of the process. For historical reasons, BSD prefers the group + * ID of the process, so we will generate an error if it's not that. (XXX: + * Not tested) + * + * - The st_atime, st_ctime, st_mtime of the fifo will be set appropriately, + * and st_ctime and st_mtime on the directory will be updated. (XXX: We + * test they are updated, not correct) + * + * - EEXIST is returned if the named file already exists. + * + * In addition, we check that we can unlink the fifo, and that if we do, it + * disappears. + * + * This test must run as root in order to usefully frob the process + * credential to test permission parts. + */ + +/* + * All activity occurs within a temporary directory created early in the + * test. + */ +char temp_dir[PATH_MAX]; + +static void __unused +atexit_temp_dir(void) +{ + + rmdir(temp_dir); +} + +/* + * Basic creation tests: verify that mkfifo(2) (or mknod(2)) creates a fifo, + * that the time stamps on the directory are updated, that if we try twice we + * get EEXIST, and that we can unlink it. + */ +static void +fifo_create_test(int use_mkfifo) +{ + struct stat old_dirsb, dirsb, fifosb; + const char *testname; + char path[PATH_MAX]; + int error; + + if (use_mkfifo) + testname = "mkfifo"; + else + testname = "mknod"; + + /* + * Sleep to make sure that the time stamp on the directory will be + * updated. + */ + if (stat(temp_dir, &old_dirsb) < 0) + err(-1, "basic_create_test: %s: stat: %s", testname, + temp_dir); + + sleep(2); + + snprintf(path, PATH_MAX, "%s/testfifo", temp_dir); + + if (use_mkfifo) { + if (mkfifo(path, 0600) < 0) + err(-1, "basic_create_test: %s: %s", testname, path); + } else { + if (mknod(path, S_IFIFO | 0600, 0) < 0) + err(-1, "basic_create_test: %s: %s", testname, path); + } + + if (stat(path, &fifosb) < 0) { + error = errno; + (void)unlink(path); + errno = error; + err(-1, "basic_create_test: %s: stat: %s", testname, path); + } + + if (!(S_ISFIFO(fifosb.st_mode))) { + (void)unlink(path); + errx(-1, "basic_create_test: %s produced non-fifo", + testname); + } + + if (use_mkfifo) { + if (mkfifo(path, 0600) == 0) + errx(-1, "basic_create_test: dup %s succeeded", + testname); + } else { + if (mknod(path, S_IFIFO | 0600, 0) == 0) + errx(-1, "basic_create_test: dup %s succeeded", + testname); + } + + if (errno != EEXIST) + err(-1, "basic_create_test: dup %s unexpected error", + testname); + + if (stat(temp_dir, &dirsb) < 0) { + error = errno; + (void)unlink(path); + errno = error; + err(-1, "basic_create_test: %s: stat: %s", testname, + temp_dir); + } + + if (old_dirsb.st_ctime == dirsb.st_ctime) { + (void)unlink(path); + errx(-1, "basic_create_test: %s: old_dirsb.st_ctime == " + "dirsb.st_ctime", testname); + } + + if (old_dirsb.st_mtime == dirsb.st_mtime) { + (void)unlink(path); + errx(-1, "basic_create_test: %s: old_dirsb.st_mtime == " + "dirsb.st_mtime", testname); + } + + if (unlink(path) < 0) + err(-1, "basic_create_test: %s: unlink: %s", testname, path); + + if (stat(path, &fifosb) == 0) + errx(-1, "basic_create_test: %s: unlink failed to unlink", + testname); + if (errno != ENOENT) + err(-1, "basic_create_test: %s: unlink unexpected error", + testname); +} + +/* + * Having determined that basic create/remove/etc functionality is present + * for fifos, now make sure that the umask, requested permissions, and + * resulting mode are handled properly. + */ +static const struct permission_test { + mode_t pt_umask; + mode_t pt_reqmode; + mode_t pt_mode; +} permission_test[] = { + {0000, 0, S_IFIFO}, + {0000, S_IRWXU, S_IFIFO | S_IRWXU}, + {0000, S_IRWXU | S_IRWXG | S_IRWXO, S_IFIFO | S_IRWXU | S_IRWXG | + S_IRWXO }, + {0077, S_IRWXU, S_IFIFO | S_IRWXU}, + {0077, S_IRWXU | S_IRWXG | S_IRWXO, S_IFIFO | S_IRWXU}, +}; +static const int permission_test_count = sizeof(permission_test) / + sizeof(struct permission_test); + +static void +fifo_permission_test(int use_mkfifo) +{ + const struct permission_test *ptp; + mode_t __unused old_umask; + char path[PATH_MAX]; + const char *testname; + struct stat sb; + int error, i; + + if (use_mkfifo) + testname = "mkfifo"; + else + testname = "mknod"; + + snprintf(path, PATH_MAX, "%s/testfifo", temp_dir); + old_umask = umask(0022); + for (i = 0; i < permission_test_count; i++) { + ptp = &permission_test[i]; + + umask(ptp->pt_umask); + if (use_mkfifo) { + if (mkfifo(path, ptp->pt_reqmode) < 0) + err(-1, "fifo_permission_test: %s: %08o " + "%08o %08o\n", testname, ptp->pt_umask, + ptp->pt_reqmode, ptp->pt_mode); + } else { + if (mknod(path, S_IFIFO | ptp->pt_reqmode, 0) < 0) + err(-1, "fifo_permission_test: %s: %08o " + "%08o %08o\n", testname, ptp->pt_umask, + ptp->pt_reqmode, ptp->pt_mode); + } + + if (stat(path, &sb) < 0) { + error = errno; + (void)unlink(path); + errno = error; + err(-1, "fifo_permission_test: %s: %s", testname, + path); + } + + if (sb.st_mode != ptp->pt_mode) { + (void)unlink(path); + errx(-1, "fifo_permission_test: %s: %08o %08o %08o " + "got %08o", testname, ptp->pt_umask, + ptp->pt_reqmode, ptp->pt_mode, sb.st_mode); + } + + if (unlink(path) < 0) + err(-1, "fifo_permission_test: %s: unlink: %s", + testname, path); + } + umask(old_umask); +} + +int +main(int argc, char *argv[]) +{ + int i; + + if (geteuid() != 0) + errx(-1, "must be run as root"); + + strcpy(temp_dir, "/tmp/fifo_create.XXXXXXXXXXX"); + if (mkdtemp(temp_dir) == NULL) + err(-1, "mkdtemp"); + atexit(atexit_temp_dir); + + if (chdir(temp_dir) < 0) + err(-1, "chdir"); + + /* + * Run each test twice, once with mknod(2) and a second time with + * mkfifo(2). Historically, BSD has not allowed mknod(2) to be used + * to create fifos, but the Single UNIX Specification requires it. + */ + for (i = 0; i < 2; i++) { + fifo_create_test(i); + fifo_permission_test(i); + } + + return (0); +} diff --git a/tools/regression/fifo/fifo_io/Makefile b/tools/regression/fifo/fifo_io/Makefile new file mode 100644 index 0000000..49bf5bd --- /dev/null +++ b/tools/regression/fifo/fifo_io/Makefile @@ -0,0 +1,7 @@ +# $FreeBSD$ + +PROG= fifo_io +MAN= +WARNS?= 3 + +.include <bsd.prog.mk> diff --git a/tools/regression/fifo/fifo_io/fifo_io.c b/tools/regression/fifo/fifo_io/fifo_io.c new file mode 100644 index 0000000..4d3c54e --- /dev/null +++ b/tools/regression/fifo/fifo_io/fifo_io.c @@ -0,0 +1,1409 @@ +/*- + * Copyright (c) 2005 Robert N. M. Watson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/types.h> +#include <sys/event.h> +#include <sys/ioctl.h> +#include <sys/select.h> +#include <sys/stat.h> +#include <sys/time.h> + +#include <err.h> +#include <errno.h> +#include <fcntl.h> +#include <limits.h> +#include <poll.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +/* + * Regression test to exercise POSIX fifo I/O. + * + * We test a number of aspect of behavior, including: + * + * - If there's no data to read, then for blocking fifos, we block, and for + * non-blocking, we return EAGAIN. + * + * - If we write ten bytes, ten bytes can be read, and they're the same + * bytes, in the same order. + * + * - If we write two batches of five bytes, we can read the same ten bytes in + * one read of ten bytes. + * + * - If we write ten bytes, we can read the same ten bytes in two reads of + * five bytes each. + * + * - If we over-fill a buffer (by writing 512k, which we take to be a large + * number above default buffer sizes), we block if there is no reader. + * + * - That once 512k (ish) is read from the other end, the blocked writer + * wakes up. + * + * - When a fifo is empty, poll, select, kqueue, and fionread report it is + * writable but not readable. + * + * - When a fifo has data in it, poll, select, and kqueue report that it is + * writable. + * + * - XXX: blocked reader semantics? + * + * - XXX: event behavior on remote close? + * + * Although behavior of O_RDWR isn't defined for fifos by POSIX, we expect + * "reasonable" behavior, and run some additional tests relating to event + * management on O_RDWR fifo descriptors. + */ + +#define KQUEUE_MAX_EVENT 8 + +/* + * All activity occurs within a temporary directory created early in the + * test. + */ +char temp_dir[PATH_MAX]; + +static void __unused +atexit_temp_dir(void) +{ + + rmdir(temp_dir); +} + +static void +makefifo(const char *fifoname, const char *testname) +{ + + if (mkfifo(fifoname, 0700) < 0) + err(-1, "%s: makefifo: mkfifo: %s", testname, fifoname); +} + +static void +cleanfifo2(const char *fifoname, int fd1, int fd2) +{ + + if (fd1 != -1) + close(fd1); + if (fd2 != -1) + close(fd2); + (void)unlink(fifoname); +} + +static void +cleanfifo3(const char *fifoname, int fd1, int fd2, int fd3) +{ + + if (fd3 != -1) + close(fd3); + cleanfifo2(fifoname, fd1, fd2); +} + +/* + * Open two different file descriptors for a fifo: one read, one write. Do + * so using non-blocking opens in order to avoid deadlocking the process. + */ +static int +openfifo(const char *fifoname, const char *testname, int *reader_fdp, + int *writer_fdp) +{ + int error, fd1, fd2; + + fd1 = open(fifoname, O_RDONLY | O_NONBLOCK); + if (fd1 < 0) + return (-1); + fd2 = open(fifoname, O_WRONLY | O_NONBLOCK); + if (fd2 < 0) { + error = errno; + close(fd1); + errno = error; + return (-1); + } + *reader_fdp = fd1; + *writer_fdp = fd2; + + return (0); +} + +/* + * Open one file descriptor for the fifo, supporting both read and write. + */ +static int +openfifo_rw(const char *fifoname, const char *testname, int *fdp) +{ + int fd; + + fd = open(fifoname, O_RDWR); + if (fd < 0) + return (-1); + *fdp = fd; + + return (0); +} + +static int +set_nonblocking(int fd, const char *testname) +{ + int flags; + + flags = fcntl(fd, F_GETFL); + if (flags < 0) { + warn("%s: fcntl(fd, F_GETFL)", testname); + return(-1); + } + + flags |= O_NONBLOCK; + + if (fcntl(fd, F_SETFL, flags) < 0) { + warn("%s: fcntl(fd, 0x%x)", testname, flags); + return (-1); + } + + return (0); +} + +static int +set_blocking(int fd, const char *testname) +{ + int flags; + + flags = fcntl(fd, F_GETFL); + if (flags < 0) { + warn("%s: fcntl(fd, F_GETFL)", testname); + return(-1); + } + + flags &= ~O_NONBLOCK; + + if (fcntl(fd, F_SETFL, flags) < 0) { + warn("%s: fcntl(fd, 0x%x)", testname, flags); + return (-1); + } + + return (0); +} + +/* + * Drain a file descriptor (fifo) of any readable data. Note: resets the + * blocking state. + */ +static int +drain_fd(int fd, const char *testname) +{ + ssize_t len; + u_char ch; + + if (set_nonblocking(fd, testname) < 0) + return (-1); + + while ((len = read(fd, &ch, sizeof(ch))) > 0); + if (len < 0) { + switch (errno) { + case EAGAIN: + return (0); + default: + warn("%s: drain_fd: read", testname); + return (-1); + } + } + warn("%s: drain_fd: read: returned 0 bytes", testname); + return (-1); +} + +/* + * Simple I/O test: write ten integers, and make sure we get back the same + * integers in the same order. This assumes a minimum fifo buffer > 10 + * bytes in order to not block and deadlock. + */ +static void +test_simpleio(void) +{ + int i, reader_fd, writer_fd; + u_char buffer[10]; + ssize_t len; + + makefifo("testfifo", __func__); + if (openfifo("testfifo", "test_simpleio", &reader_fd, &writer_fd) + < 0) { + warn("test_simpleio: openfifo: testfifo"); + cleanfifo2("testfifo", -1, -1); + exit(-1); + } + + for (i = 0; i < 10; i++) + buffer[i] = i; + + len = write(writer_fd, (char *)buffer, sizeof(buffer)); + if (len < 0) { + warn("test_simpleio: write"); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + if (len != sizeof(buffer)) { + warnx("test_simplio: tried %zu but wrote %zd", sizeof(buffer), + len); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + len = read(reader_fd, (char *)buffer, sizeof(buffer)); + if (len < 0) { + warn("test_simpleio: read"); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + if (len != sizeof(buffer)) { + warnx("test_simpleio: tried %zu but read %zd", sizeof(buffer), + len); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + for (i = 0; i < 10; i++) { + if (buffer[i] == i) + continue; + warnx("test_simpleio: write byte %d as 0x%02x, but read " + "0x%02x", i, i, buffer[i]); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + cleanfifo2("testfifo", reader_fd, writer_fd); +} + +static int alarm_fired; +/* + * Non-destructive SIGALRM handler. + */ +static void +sigalarm(int signum) +{ + + alarm_fired = 1; +} + +/* + * Wrapper function for write, which uses a timer to interrupt any blocking. + * Because we can't reliably detect EINTR for blocking I/O, we also track + * whether or not our timeout fired. + */ +static int __unused +timed_write(int fd, void *data, size_t len, ssize_t *written_lenp, + int timeout, int *timedoutp, const char *testname) +{ + struct sigaction act, oact; + ssize_t written_len; + int error; + + alarm_fired = 0; + bzero(&act, sizeof(oact)); + act.sa_handler = sigalarm; + if (sigaction(SIGALRM, &act, &oact) < 0) { + warn("%s: timed_write: sigaction", testname); + return (-1); + } + alarm(timeout); + written_len = write(fd, data, len); + error = errno; + alarm(0); + if (sigaction(SIGALRM, &oact, NULL) < 0) { + warn("%s: timed_write: sigaction", testname); + return (-1); + } + if (alarm_fired) + *timedoutp = 1; + else + *timedoutp = 0; + + errno = error; + if (written_len < 0) + return (-1); + *written_lenp = written_len; + return (0); +} + +/* + * Wrapper function for read, which uses a timer to interrupt any blocking. + * Because we can't reliably detect EINTR for blocking I/O, we also track + * whether or not our timeout fired. + */ +static int +timed_read(int fd, void *data, size_t len, ssize_t *read_lenp, + int timeout, int *timedoutp, const char *testname) +{ + struct sigaction act, oact; + ssize_t read_len; + int error; + + alarm_fired = 0; + bzero(&act, sizeof(oact)); + act.sa_handler = sigalarm; + if (sigaction(SIGALRM, &act, &oact) < 0) { + warn("%s: timed_write: sigaction", testname); + return (-1); + } + alarm(timeout); + read_len = read(fd, data, len); + error = errno; + alarm(0); + if (sigaction(SIGALRM, &oact, NULL) < 0) { + warn("%s: timed_write: sigaction", testname); + return (-1); + } + if (alarm_fired) + *timedoutp = 1; + else + *timedoutp = 0; + + errno = error; + if (read_len < 0) + return (-1); + *read_lenp = read_len; + return (0); +} + +/* + * This test operates on blocking and non-blocking fifo file descriptors, in + * order to determine whether they block at good moments or not. By good we + * mean: don't block for non-blocking sockets, and do block for blocking + * ones, assuming there isn't I/O buffer to satisfy the request. + * + * We use a timeout of 5 seconds, concluding that in 5 seconds either all I/O + * that can take place will, and that if we reach the end of the timeout, + * then blocking has occurred. + * + * We assume that the buffer size on a fifo is <512K, and as such, that + * writing that much data without an active reader will result in blocking. + */ +static void +test_blocking_read_empty(void) +{ + int reader_fd, ret, timedout, writer_fd; + ssize_t len; + u_char ch; + + makefifo("testfifo", __func__); + if (openfifo("testfifo", __func__, &reader_fd, &writer_fd) + < 0) { + warn("test_blocking_read_empty: openfifo: testfifo"); + cleanfifo2("testfifo", -1, -1); + exit(-1); + } + + /* + * Read one byte from an empty blocking fifo, block as there is no + * data. + */ + if (set_blocking(reader_fd, __func__) < 0) { + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + ret = timed_read(reader_fd, &ch, sizeof(ch), &len, 5, &timedout, + __func__); + if (ret != -1) { + warnx("test_blocking_read_empty: timed_read: returned " + "success"); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + if (errno != EINTR) { + warn("test_blocking_read_empty: timed_read"); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + /* + * Read one byte from an empty non-blocking fifo, return EAGAIN as + * there is no data. + */ + if (set_nonblocking(reader_fd, __func__) < 0) { + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + ret = timed_read(reader_fd, &ch, sizeof(ch), &len, 5, &timedout, + __func__); + if (ret != -1) { + warnx("test_blocking_read_empty: timed_read: returned " + "success"); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + if (errno != EAGAIN) { + warn("test_blocking_read_empty: timed_read"); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + cleanfifo2("testfifo", reader_fd, writer_fd); +} + +/* + * Write one byte to an empty fifo, then try to read one byte and make sure + * we don't block in either the write or the read. This tests both for + * improper blocking in the send and receive code. + */ +static void +test_blocking_one_byte(void) +{ + int reader_fd, ret, timedout, writer_fd; + ssize_t len; + u_char ch; + + makefifo("testfifo", __func__); + if (openfifo("testfifo", __func__, &reader_fd, &writer_fd) + < 0) { + warn("test_blocking: openfifo: testfifo"); + cleanfifo2("testfifo", -1, -1); + exit(-1); + } + + if (set_blocking(writer_fd, __func__) < 0) { + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + if (set_blocking(reader_fd, __func__) < 0) { + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + ch = 0xfe; + ret = timed_write(writer_fd, &ch, sizeof(ch), &len, 5, &timedout, + __func__); + if (ret < 0) { + warn("test_blocking_one_byte: timed_write"); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + if (len != sizeof(ch)) { + warnx("test_blocking_one_byte: timed_write: tried to write " + "%zu, wrote %zd", sizeof(ch), len); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + ch = 0xab; + ret = timed_read(reader_fd, &ch, sizeof(ch), &len, 5, &timedout, + __func__); + if (ret < 0) { + warn("test_blocking_one_byte: timed_read"); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + if (len != sizeof(ch)) { + warnx("test_blocking_one_byte: timed_read: wanted %zu, " + "read %zd", sizeof(ch), len); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + if (ch != 0xfe) { + warnx("test_blocking_one_byte: timed_read: expected to read " + "0x%02x, read 0x%02x", 0xfe, ch); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + cleanfifo2("testfifo", reader_fd, writer_fd); +} + +/* + * Write one byte to an empty fifo, then try to read one byte and make sure + * we don't get back EAGAIN. + */ +static void +test_nonblocking_one_byte(void) +{ + int reader_fd, ret, timedout, writer_fd; + ssize_t len; + u_char ch; + + makefifo("testfifo", __func__); + if (openfifo("testfifo", __func__, &reader_fd, &writer_fd) + < 0) { + warn("test_nonblocking: openfifo: testfifo"); + cleanfifo2("testfifo", -1, -1); + exit(-1); + } + + if (set_nonblocking(reader_fd, __func__) < 0) { + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + ch = 0xfe; + ret = timed_write(writer_fd, &ch, sizeof(ch), &len, 5, &timedout, + __func__); + if (ret < 0) { + warn("test_nonblocking_one_byte: timed_write"); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + if (len != sizeof(ch)) { + warnx("test_nonblocking_one_byte: timed_write: tried to write " + "%zu, wrote %zd", sizeof(ch), len); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + ch = 0xab; + ret = timed_read(reader_fd, &ch, sizeof(ch), &len, 5, &timedout, + __func__); + if (ret < 0) { + warn("test_nonblocking_one_byte: timed_read"); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + if (len != sizeof(ch)) { + warnx("test_nonblocking_one_byte: timed_read: wanted %zu, read " + "%zd", sizeof(ch), len); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + if (ch != 0xfe) { + warnx("test_nonblocking_one_byte: timed_read: expected to read " + "0x%02x, read 0x%02x", 0xfe, ch); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + cleanfifo2("testfifo", reader_fd, writer_fd); +} + +/* + * First of two test cases involving a 512K buffer: write the buffer into a + * blocking file descriptor. We'd like to know it blocks, but the closest we + * can get is to see if SIGALRM fired during the I/O resulting in a partial + * write. + */ +static void +test_blocking_partial_write(void) +{ + int reader_fd, ret, timedout, writer_fd; + u_char *buffer; + ssize_t len; + + makefifo("testfifo", __func__); + if (openfifo("testfifo", __func__, &reader_fd, &writer_fd) + < 0) { + warn("test_blocking_partial_write: openfifo: testfifo"); + cleanfifo2("testfifo", -1, -1); + exit(-1); + } + + if (set_blocking(writer_fd, __func__) < 0) { + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + buffer = malloc(512*1024); + if (buffer == NULL) { + warn("test_blocking_partial_write: malloc"); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + bzero(buffer, 512*1024); + + ret = timed_write(writer_fd, buffer, 512*1024, &len, 5, &timedout, + __func__); + if (ret < 0) { + warn("test_blocking_partial_write: timed_write"); + free(buffer); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + if (!timedout) { + warnx("test_blocking_partial_write: timed_write: blocking " + "socket didn't time out"); + free(buffer); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + free(buffer); + + if (drain_fd(reader_fd, __func__) < 0) { + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + cleanfifo2("testfifo", reader_fd, writer_fd); +} + +/* + * Write a 512K buffer to an empty fifo using a non-blocking file descriptor, + * and make sure it doesn't block. + */ +static void +test_nonblocking_partial_write(void) +{ + int reader_fd, ret, timedout, writer_fd; + u_char *buffer; + ssize_t len; + + makefifo("testfifo", __func__); + if (openfifo("testfifo", __func__, &reader_fd, &writer_fd) + < 0) { + warn("test_blocking_partial_write: openfifo: testfifo"); + cleanfifo2("testfifo", -1, -1); + exit(-1); + } + + if (set_nonblocking(writer_fd, __func__) < 0) { + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + buffer = malloc(512*1024); + if (buffer == NULL) { + warn("test_blocking_partial_write: malloc"); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + bzero(buffer, 512*1024); + + ret = timed_write(writer_fd, buffer, 512*1024, &len, 5, &timedout, + __func__); + if (ret < 0) { + warn("test_blocking_partial_write: timed_write"); + free(buffer); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + if (timedout) { + warnx("test_blocking_partial_write: timed_write: " + "non-blocking socket timed out"); + free(buffer); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + if (len == 0 || len >= 512*1024) { + warnx("test_blocking_partial_write: timed_write: requested " + "%d, sent %zd", 512*1024, len); + free(buffer); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + free(buffer); + + if (drain_fd(reader_fd, __func__) < 0) { + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + cleanfifo2("testfifo", reader_fd, writer_fd); +} + +/* + * test_coalesce_big_read() verifies that data mingles in the fifo across + * message boundaries by performing two small writes, then a bigger read + * that should return data from both writes. + */ +static void +test_coalesce_big_read(void) +{ + int i, reader_fd, writer_fd; + u_char buffer[10]; + ssize_t len; + + makefifo("testfifo", __func__); + if (openfifo("testfifo", __func__, &reader_fd, &writer_fd) + < 0) { + warn("test_coalesce_big_read: openfifo: testfifo"); + cleanfifo2("testfifo", -1, -1); + exit(-1); + } + + /* Write five, write five, read ten. */ + for (i = 0; i < 10; i++) + buffer[i] = i; + + len = write(writer_fd, buffer, 5); + if (len < 0) { + warn("test_coalesce_big_read: write 5"); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + if (len != 5) { + warnx("test_coalesce_big_read: write 5 wrote %zd", len); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + len = write(writer_fd, buffer + 5, 5); + if (len < 0) { + warn("test_coalesce_big_read: write 5"); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + if (len != 5) { + warnx("test_coalesce_big_read: write 5 wrote %zd", len); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + len = read(reader_fd, buffer, 10); + if (len < 0) { + warn("test_coalesce_big_read: read 10"); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + if (len != 10) { + warnx("test_coalesce_big_read: read 10 read %zd", len); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + for (i = 0; i < 10; i++) { + if (buffer[i] == i) + continue; + warnx("test_coalesce_big_read: expected to read 0x%02x, " + "read 0x%02x", i, buffer[i]); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + cleanfifo2("testfifo", -1, -1); +} + +/* + * test_coalesce_big_write() verifies that data mingles in the fifo across + * message boundaries by performing one big write, then two smaller reads + * that should return sequential elements of data from the write. + */ +static void +test_coalesce_big_write(void) +{ + int i, reader_fd, writer_fd; + u_char buffer[10]; + ssize_t len; + + makefifo("testfifo", __func__); + if (openfifo("testfifo", __func__, &reader_fd, &writer_fd) + < 0) { + warn("test_coalesce_big_write: openfifo: testfifo"); + cleanfifo2("testfifo", -1, -1); + exit(-1); + } + + /* Write ten, read five, read five. */ + for (i = 0; i < 10; i++) + buffer[i] = i; + + len = write(writer_fd, buffer, 10); + if (len < 0) { + warn("test_coalesce_big_write: write 10"); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + if (len != 10) { + warnx("test_coalesce_big_write: write 10 wrote %zd", len); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + len = read(reader_fd, buffer, 5); + if (len < 0) { + warn("test_coalesce_big_write: read 5"); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + if (len != 5) { + warnx("test_coalesce_big_write: read 5 read %zd", len); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + len = read(reader_fd, buffer + 5, 5); + if (len < 0) { + warn("test_coalesce_big_write: read 5"); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + if (len != 5) { + warnx("test_coalesce_big_write: read 5 read %zd", len); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + for (i = 0; i < 10; i++) { + if (buffer[i] == i) + continue; + warnx("test_coalesce_big_write: expected to read 0x%02x, " + "read 0x%02x", i, buffer[i]); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + cleanfifo2("testfifo", -1, -1); +} + +static int +poll_status(int fd, int *readable, int *writable, int *exception, + const char *testname) +{ + struct pollfd fds[1]; + + fds[0].fd = fd; + fds[0].events = POLLIN | POLLOUT | POLLERR; + fds[0].revents = 0; + + if (poll(fds, 1, 0) < 0) { + warn("%s: poll", testname); + return (-1); + } + *readable = (fds[0].revents & POLLIN) ? 1 : 0; + *writable = (fds[0].revents & POLLOUT) ? 1 : 0; + *exception = (fds[0].revents & POLLERR) ? 1 : 0; + return (0); +} + +static int +select_status(int fd, int *readable, int *writable, int *exception, + const char *testname) +{ + struct fd_set readfds, writefds, exceptfds; + struct timeval timeout; + + FD_ZERO(&readfds); + FD_ZERO(&writefds); + FD_ZERO(&exceptfds); + FD_SET(fd, &readfds); + FD_SET(fd, &writefds); + FD_SET(fd, &exceptfds); + timeout.tv_sec = 0; + timeout.tv_usec = 0; + if (select(fd+1, &readfds, &writefds, &exceptfds, &timeout) < 0) { + warn("%s: select", testname); + return (-1); + } + *readable = FD_ISSET(fd, &readfds) ? 1 : 0; + *writable = FD_ISSET(fd, &writefds) ? 1 : 0; + *exception = FD_ISSET(fd, &exceptfds) ? 1 : 0; + return (0); +} + +/* + * Given an existing kqueue, set up read and write event filters for the + * passed file descriptor. Typically called once for the read endpoint, and + * once for the write endpoint. + */ +static int +kqueue_setup(int kqueue_fd, int fd, const char *testname) +{ + struct kevent kevent_changelist[2]; + struct kevent kevent_eventlist[KQUEUE_MAX_EVENT], *kp; + struct timespec timeout; + int i, ret; + + timeout.tv_sec = 0; + timeout.tv_nsec = 0; + + bzero(&kevent_changelist, sizeof(kevent_changelist)); + EV_SET(&kevent_changelist[0], fd, EVFILT_READ, EV_ADD, 0, 0, 0); + EV_SET(&kevent_changelist[1], fd, EVFILT_WRITE, EV_ADD, 0, 0, 0); + + bzero(&kevent_eventlist, sizeof(kevent_eventlist)); + ret = kevent(kqueue_fd, kevent_changelist, 2, kevent_eventlist, + KQUEUE_MAX_EVENT, &timeout); + if (ret < 0) { + warn("%s:%s: kevent initial register", testname, __func__); + return (-1); + } + + /* + * Verify that the events registered alright. + */ + for (i = 0; i < ret; i++) { + kp = &kevent_eventlist[i]; + if (kp->flags != EV_ERROR) + continue; + errno = kp->data; + warn("%s:%s: kevent register index %d", testname, __func__, + i); + return (-1); + } + + return (0); +} + +static int +kqueue_status(int kqueue_fd, int fd, int *readable, int *writable, + int *exception, const char *testname) +{ + struct kevent kevent_eventlist[KQUEUE_MAX_EVENT], *kp; + struct timespec timeout; + int i, ret; + + timeout.tv_sec = 0; + timeout.tv_nsec = 0; + + ret = kevent(kqueue_fd, NULL, 0, kevent_eventlist, KQUEUE_MAX_EVENT, + &timeout); + if (ret < 0) { + warn("%s: %s: kevent", testname, __func__); + return (-1); + } + + *readable = *writable = *exception = 0; + for (i = 0; i < ret; i++) { + kp = &kevent_eventlist[i]; + if (kp->ident != (u_int)fd) + continue; + if (kp->filter == EVFILT_READ) + *readable = 1; + if (kp->filter == EVFILT_WRITE) + *writable = 1; + } + + return (0); +} + +static int +fionread_status(int fd, int *readable, const char *testname) +{ + int i; + + if (ioctl(fd, FIONREAD, &i) < 0) { + warn("%s: ioctl(FIONREAD)", testname); + return (-1); + } + + if (i > 0) + *readable = 1; + else + *readable = 0; + return (0); +} + +#define READABLE 1 +#define WRITABLE 1 +#define EXCEPTION 1 + +#define NOT_READABLE 0 +#define NOT_WRITABLE 0 +#define NOT_EXCEPTION 0 + +static int +assert_status(int fd, int kqueue_fd, int assert_readable, + int assert_writable, int assert_exception, const char *testname, + const char *conditionname, const char *fdname) +{ + int readable, writable, exception; + + if (poll_status(fd, &readable, &writable, &exception, testname) < 0) + return (-1); + + if (readable != assert_readable || writable != assert_writable || + exception != assert_exception) { + warnx("%s: %s polls r:%d, w:%d, e:%d on %s", testname, + fdname, readable, writable, exception, conditionname); + return (-1); + } + + if (select_status(fd, &readable, &writable, &exception, testname) < 0) + return (-1); + + if (readable != assert_readable || writable != assert_writable || + exception != assert_exception) { + warnx("%s: %s selects r:%d, w:%d, e:%d on %s", testname, + fdname, readable, writable, exception, conditionname); + return (-1); + } + + if (kqueue_status(kqueue_fd, fd, &readable, &writable, &exception, + testname) < 0) + return (-1); + + if (readable != assert_readable || writable != assert_writable || + exception != assert_exception) { + warnx("%s: %s kevent r:%d, w:%d, e:%d on %s", testname, + fdname, readable, writable, exception, conditionname); + return (-1); + } + + if (fionread_status(fd, &readable, __func__) < 0) + return (-1); + + if (readable != assert_readable) { + warnx("%s: %s fionread r:%d on %s", testname, fdname, + readable, conditionname); + return (-1); + } + + return (0); +} + +/* + * test_events() uses poll(), select(), and kevent() to query the status of + * fifo file descriptors and determine whether they match expected state + * based on earlier semantic tests: specifically, whether or not poll/select/ + * kevent will correctly inform on readable/writable state following I/O. + * + * It would be nice to also test status changes as a result of closing of one + * or another fifo endpoint. + */ +static void +test_events_outofbox(void) +{ + int kqueue_fd, reader_fd, writer_fd; + + makefifo("testfifo", __func__); + if (openfifo("testfifo", __func__, &reader_fd, &writer_fd) < 0) { + warn("test_events_outofbox: openfifo: testfifo"); + cleanfifo2("testfifo", -1, -1); + exit(-1); + } + + kqueue_fd = kqueue(); + if (kqueue_fd < 0) { + warn("%s: kqueue", __func__); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + if (kqueue_setup(kqueue_fd, reader_fd, __func__) < 0) { + cleanfifo3("testfifo", reader_fd, writer_fd, kqueue_fd); + exit(-1); + } + + if (kqueue_setup(kqueue_fd, writer_fd, __func__) < 0) { + cleanfifo3("testfifo", reader_fd, writer_fd, kqueue_fd); + exit(-1); + } + + /* + * Make sure that fresh, out-of-the-box fifo file descriptors have + * good initial states. The reader_fd should have no active state, + * since it will not be readable (no data in pipe), writable (it's + * a read-only descriptor), and there's no reason for error yet. + */ + if (assert_status(reader_fd, kqueue_fd, NOT_READABLE, NOT_WRITABLE, + NOT_EXCEPTION, __func__, "create", "reader_fd") < 0) { + cleanfifo3("testfifo", reader_fd, writer_fd, kqueue_fd); + exit(-1); + } + + /* + * Make sure that fresh, out-of-the-box fifo file descriptors have + * good initial states. The writer_fd should be ready to write. + */ + if (assert_status(writer_fd, kqueue_fd, NOT_READABLE, WRITABLE, + NOT_EXCEPTION, __func__, "create", "writer_fd") < 0) { + cleanfifo3("testfifo", reader_fd, writer_fd, kqueue_fd); + exit(-1); + } + + cleanfifo3("testfifo", reader_fd, writer_fd, kqueue_fd); +} + +static void +test_events_write_read_byte(void) +{ + int kqueue_fd, reader_fd, writer_fd; + ssize_t len; + u_char ch; + + makefifo("testfifo", __func__); + if (openfifo("testfifo", __func__, &reader_fd, &writer_fd) + < 0) { + warn("test_events_write_read_byte: openfifo: testfifo"); + cleanfifo2("testfifo", -1, -1); + exit(-1); + } + + kqueue_fd = kqueue(); + if (kqueue_fd < 0) { + warn("%s: kqueue", __func__); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + if (kqueue_setup(kqueue_fd, reader_fd, __func__) < 0) { + cleanfifo3("testfifo", reader_fd, writer_fd, kqueue_fd); + exit(-1); + } + + if (kqueue_setup(kqueue_fd, writer_fd, __func__) < 0) { + cleanfifo3("testfifo", reader_fd, writer_fd, kqueue_fd); + exit(-1); + } + + /* + * Write a byte to the fifo, and make sure that the read end becomes + * readable, and that the write end remains writable (small write). + */ + ch = 0x00; + len = write(writer_fd, &ch, sizeof(ch)); + if (len < 0) { + warn("%s: write", __func__); + cleanfifo3("testfifo", reader_fd, writer_fd, kqueue_fd); + exit(-1); + } + + if (assert_status(reader_fd, kqueue_fd, READABLE, NOT_WRITABLE, + NOT_EXCEPTION, __func__, "write", "reader_fd") < 0) { + cleanfifo3("testfifo", reader_fd, writer_fd, kqueue_fd); + exit(-1); + } + + /* + * the writer_fd should remain writable. + */ + if (assert_status(writer_fd, kqueue_fd, NOT_READABLE, WRITABLE, + NOT_EXCEPTION, __func__, "write", "writer_fd") < 0) { + cleanfifo3("testfifo", reader_fd, writer_fd, kqueue_fd); + exit(-1); + } + + /* + * Read the byte from the reader_fd, and now confirm that that fifo + * becomes unreadable. + */ + len = read(reader_fd, &ch, sizeof(ch)); + if (len < 0) { + warn("%s: read", __func__); + cleanfifo3("testfifo", reader_fd, writer_fd, kqueue_fd); + exit(-1); + } + + if (assert_status(reader_fd, kqueue_fd, NOT_READABLE, NOT_WRITABLE, + NOT_EXCEPTION, __func__, "write+read", "reader_fd") < 0) { + cleanfifo3("testfifo", reader_fd, writer_fd, kqueue_fd); + exit(-1); + } + + /* + * The writer_fd should remain writable. + */ + if (assert_status(writer_fd, kqueue_fd, NOT_READABLE, WRITABLE, + NOT_EXCEPTION, __func__, "write+read", "writer_fd") < 0) { + cleanfifo3("testfifo", reader_fd, writer_fd, kqueue_fd); + exit(-1); + } + + cleanfifo3("testfifo", reader_fd, writer_fd, kqueue_fd); +} + +/* + * Write a 512k buffer to the fifo in non-blocking mode, and make sure that + * the write end becomes un-writable as a result of a partial write that + * fills the fifo buffer. + */ +static void +test_events_partial_write(void) +{ + int kqueue_fd, reader_fd, writer_fd; + u_char *buffer; + ssize_t len; + + makefifo("testfifo", __func__); + if (openfifo("testfifo", __func__, &reader_fd, &writer_fd) + < 0) { + warn("test_events_partial_write: openfifo: testfifo"); + cleanfifo2("testfifo", -1, -1); + exit(-1); + } + + kqueue_fd = kqueue(); + if (kqueue_fd < 0) { + warn("%s: kqueue", __func__); + cleanfifo2("testfifo", reader_fd, writer_fd); + exit(-1); + } + + if (kqueue_setup(kqueue_fd, reader_fd, __func__) < 0) { + cleanfifo3("testfifo", reader_fd, writer_fd, kqueue_fd); + exit(-1); + } + + if (kqueue_setup(kqueue_fd, writer_fd, __func__) < 0) { + cleanfifo3("testfifo", reader_fd, writer_fd, kqueue_fd); + exit(-1); + } + + if (set_nonblocking(writer_fd, "test_events") < 0) { + cleanfifo3("testfifo", reader_fd, writer_fd, kqueue_fd); + exit(-1); + } + + buffer = malloc(512*1024); + if (buffer == NULL) { + warn("test_events_partial_write: malloc"); + cleanfifo3("testfifo", reader_fd, writer_fd, kqueue_fd); + exit(-1); + } + bzero(buffer, 512*1024); + + len = write(writer_fd, buffer, 512*1024); + if (len < 0) { + warn("test_events_partial_write: write"); + free(buffer); + cleanfifo3("testfifo", reader_fd, writer_fd, kqueue_fd); + exit(-1); + } + + free(buffer); + + if (assert_status(writer_fd, kqueue_fd, NOT_READABLE, NOT_WRITABLE, + NOT_EXCEPTION, __func__, "big write", "writer_fd") < 0) { + cleanfifo3("testfifo", reader_fd, writer_fd, kqueue_fd); + exit(-1); + } + + if (drain_fd(reader_fd, "test_events") < 0) { + cleanfifo3("testfifo", reader_fd, writer_fd, kqueue_fd); + exit(-1); + } + + /* + * Test that the writer_fd has been restored to writable state after + * draining. + */ + if (assert_status(writer_fd, kqueue_fd, NOT_READABLE, WRITABLE, + NOT_EXCEPTION, __func__, "big write + drain", "writer_fd") < 0) { + cleanfifo3("testfifo", reader_fd, writer_fd, kqueue_fd); + exit(-1); + } + + cleanfifo3("testfifo", reader_fd, writer_fd, kqueue_fd); +} + +/* + * We don't comprehensively test O_RDWR file descriptors, but do run a couple + * of event tests to make sure that the fifo implementation doesn't mixed up + * status checks. In particular, at least one past FreeBSD bug exists in + * which the FIONREAD test was performed on the wrong socket implementing the + * fifo, resulting in the fifo never returning readable. + */ +static void +test_events_rdwr(void) +{ + int fd, kqueue_fd; + ssize_t len; + char ch; + + makefifo("testfifo", __func__); + if (openfifo_rw("testfifo", __func__, &fd) + < 0) { + warn("%s: openfifo_rw: testfifo", __func__); + cleanfifo2("testfifo", -1, -1); + exit(-1); + } + + kqueue_fd = kqueue(); + if (kqueue_fd < 0) { + warn("%s: kqueue", __func__); + cleanfifo2("testifo", fd, -1); + exit(-1); + } + + if (kqueue_setup(kqueue_fd, fd, __func__) < 0) { + cleanfifo2("testfifo", fd, kqueue_fd); + exit(-1); + } + + /* + * On first creation, the O_RDWR descriptor should be writable but + * not readable. + */ + if (assert_status(fd, kqueue_fd, NOT_READABLE, WRITABLE, + NOT_EXCEPTION, __func__, "create", "fd") < 0) { + cleanfifo2("testfifo", fd, kqueue_fd); + exit(-1); + } + + /* + * Write a byte, which should cause the file descriptor to become + * readable and writable. + */ + ch = 0x00; + len = write(fd, &ch, sizeof(ch)); + if (len < 0) { + warn("%s: write", __func__); + cleanfifo2("testfifo", fd, kqueue_fd); + exit(-1); + } + + if (assert_status(fd, kqueue_fd, READABLE, WRITABLE, NOT_EXCEPTION, + __func__, "write", "fd") < 0) { + cleanfifo2("testfifo", fd, kqueue_fd); + exit(-1); + } + + /* + * Read a byte, which should cause the file descriptor to return to + * simply being writable. + */ + len = read(fd, &ch, sizeof(ch)); + if (len < 0) { + warn("%s: read", __func__); + cleanfifo2("testfifo", fd, kqueue_fd); + exit(-1); + } + + if (assert_status(fd, kqueue_fd, NOT_READABLE, WRITABLE, + NOT_EXCEPTION, __func__, "write+read", "fd") < 0) { + cleanfifo2("testfifo", fd, kqueue_fd); + exit(-1); + } + + cleanfifo2("testfifo", fd, kqueue_fd); +} + +int +main(int argc, char *argv[]) +{ + + strcpy(temp_dir, "/tmp/fifo_io.XXXXXXXXXXX"); + if (mkdtemp(temp_dir) == NULL) + err(-1, "mkdtemp"); + atexit(atexit_temp_dir); + + if (chdir(temp_dir) < 0) + err(-1, "chdir %s", temp_dir); + + test_simpleio(); + test_blocking_read_empty(); + test_blocking_one_byte(); + test_nonblocking_one_byte(); + test_blocking_partial_write(); + test_nonblocking_partial_write(); + test_coalesce_big_read(); + test_coalesce_big_write(); + test_events_outofbox(); + test_events_write_read_byte(); + test_events_partial_write(); + test_events_rdwr(); + + return (0); +} diff --git a/tools/regression/fifo/fifo_misc/Makefile b/tools/regression/fifo/fifo_misc/Makefile new file mode 100644 index 0000000..97f85ec --- /dev/null +++ b/tools/regression/fifo/fifo_misc/Makefile @@ -0,0 +1,7 @@ +# $FreeBSD$ + +PROG= fifo_misc +MAN= +WARNS?= 3 + +.include <bsd.prog.mk> diff --git a/tools/regression/fifo/fifo_misc/fifo_misc.c b/tools/regression/fifo/fifo_misc/fifo_misc.c new file mode 100644 index 0000000..4215212 --- /dev/null +++ b/tools/regression/fifo/fifo_misc/fifo_misc.c @@ -0,0 +1,336 @@ +/*- + * Copyright (c) 2005 Robert N. M. Watson + * Copyright (c) 2012 Jilles Tjoelker + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/types.h> +#include <sys/event.h> +#include <sys/filio.h> +#include <sys/stat.h> +#include <sys/time.h> + +#include <err.h> +#include <errno.h> +#include <fcntl.h> +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +/* + * Regression test for piddling details of fifos. + */ + +/* + * All activity occurs within a temporary directory created early in the + * test. + */ +char temp_dir[PATH_MAX]; + +static void __unused +atexit_temp_dir(void) +{ + + rmdir(temp_dir); +} + +static void +makefifo(const char *fifoname, const char *testname) +{ + + if (mkfifo(fifoname, 0700) < 0) + err(-1, "%s: makefifo: mkfifo: %s", testname, fifoname); +} + +static void +cleanfifo(const char *fifoname, int fd1, int fd2) +{ + + if (fd1 != -1) + close(fd1); + if (fd2 != -1) + close(fd2); + (void)unlink(fifoname); +} + +static int +openfifo(const char *fifoname, const char *testname, int *reader_fdp, + int *writer_fdp) +{ + int error, fd1, fd2; + + fd1 = open(fifoname, O_RDONLY | O_NONBLOCK); + if (fd1 < 0) + return (-1); + fd2 = open(fifoname, O_WRONLY | O_NONBLOCK); + if (fd2 < 0) { + error = errno; + close(fd1); + errno = error; + return (-1); + } + *reader_fdp = fd1; + *writer_fdp = fd2; + + return (0); +} + +/* + * POSIX does not allow lseek(2) on fifos, so we expect ESPIPE as a result. + */ +static void +test_lseek(void) +{ + int reader_fd, writer_fd; + + makefifo("testfifo", __func__); + + if (openfifo("testfifo", __func__, &reader_fd, &writer_fd) < 0) { + warn("%s: openfifo", __func__); + cleanfifo("testfifo", -1, -1); + exit(-1); + } + + if (lseek(reader_fd, 1, SEEK_CUR) >= 0) { + warnx("%s: lseek succeeded instead of returning ESPIPE", + __func__); + cleanfifo("testfifo", reader_fd, writer_fd); + exit(-1); + } + if (errno != ESPIPE) { + warn("%s: lseek returned instead of ESPIPE", __func__); + cleanfifo("testfifo", reader_fd, writer_fd); + exit(-1); + } + + cleanfifo("testfifo", reader_fd, writer_fd); +} + +/* + * truncate(2) on FIFO should silently return success. + */ +static void +test_truncate(void) +{ + + makefifo("testfifo", __func__); + + if (truncate("testfifo", 1024) != 0) { + warn("%s: truncate", __func__); + cleanfifo("testfifo", -1, -1); + exit(-1); + } + + cleanfifo("testfifo", -1, -1); +} + +static int +test_ioctl_setclearflag(int fd, int flag, const char *testname, + const char *fdname, const char *flagname) +{ + int i; + + i = 1; + if (ioctl(fd, flag, &i) < 0) { + warn("%s:%s: ioctl(%s, %s, 1)", testname, __func__, fdname, + flagname); + cleanfifo("testfifo", -1, -1); + exit(-1); + } + + i = 0; + if (ioctl(fd, flag, &i) < 0) { + warn("%s:%s: ioctl(%s, %s, 0)", testname, __func__, fdname, + flagname); + cleanfifo("testfifo", -1, -1); + exit(-1); + } + + return (0); +} + +/* + * Test that various ioctls can be issued against the file descriptor. We + * don't currently test the semantics of these changes here. + */ +static void +test_ioctl(void) +{ + int reader_fd, writer_fd; + + makefifo("testfifo", __func__); + + if (openfifo("testfifo", __func__, &reader_fd, &writer_fd) < 0) { + warn("%s: openfifo", __func__); + cleanfifo("testfifo", -1, -1); + exit(-1); + } + + /* + * Set and remove the non-blocking I/O flag. + */ + if (test_ioctl_setclearflag(reader_fd, FIONBIO, __func__, + "reader_fd", "FIONBIO") < 0) { + cleanfifo("testfifo", reader_fd, writer_fd); + exit(-1); + } + + if (test_ioctl_setclearflag(writer_fd, FIONBIO, __func__, + "writer_fd", "FIONBIO") < 0) { + cleanfifo("testfifo", reader_fd, writer_fd); + exit(-1); + } + + /* + * Set and remove the async I/O flag. + */ + if (test_ioctl_setclearflag(reader_fd, FIOASYNC, __func__, + "reader_fd", "FIOASYNC") < 0) { + cleanfifo("testfifo", reader_fd, writer_fd); + exit(-1); + } + + if (test_ioctl_setclearflag(writer_fd, FIOASYNC, __func__, + "writer_fd", "FIONASYNC") < 0) { + cleanfifo("testfifo", reader_fd, writer_fd); + exit(-1); + } + + cleanfifo("testfifo", reader_fd, writer_fd); +} + +/* + * fchmod(2)/fchown(2) on FIFO should work. + */ +static void +test_chmodchown(void) +{ + struct stat sb; + int reader_fd, writer_fd; + uid_t u; + gid_t g; + + makefifo("testfifo", __func__); + + if (openfifo("testfifo", __func__, &reader_fd, &writer_fd) < 0) { + warn("%s: openfifo", __func__); + cleanfifo("testfifo", -1, -1); + exit(-1); + } + + if (fchmod(reader_fd, 0666) != 0) { + warn("%s: fchmod", __func__); + cleanfifo("testfifo", reader_fd, writer_fd); + exit(-1); + } + + if (stat("testfifo", &sb) != 0) { + warn("%s: stat", __func__); + cleanfifo("testfifo", reader_fd, writer_fd); + exit(-1); + } + + if ((sb.st_mode & 0777) != 0666) { + warnx("%s: stat chmod result", __func__); + cleanfifo("testfifo", reader_fd, writer_fd); + exit(-1); + } + + if (fstat(writer_fd, &sb) != 0) { + warn("%s: fstat", __func__); + cleanfifo("testfifo", reader_fd, writer_fd); + exit(-1); + } + + if ((sb.st_mode & 0777) != 0666) { + warnx("%s: fstat chmod result", __func__); + cleanfifo("testfifo", reader_fd, writer_fd); + exit(-1); + } + + if (fchown(reader_fd, -1, -1) != 0) { + warn("%s: fchown 1", __func__); + cleanfifo("testfifo", reader_fd, writer_fd); + exit(-1); + } + + u = geteuid(); + if (u == 0) + u = 1; + g = getegid(); + if (fchown(reader_fd, u, g) != 0) { + warn("%s: fchown 2", __func__); + cleanfifo("testfifo", reader_fd, writer_fd); + exit(-1); + } + if (stat("testfifo", &sb) != 0) { + warn("%s: stat", __func__); + cleanfifo("testfifo", reader_fd, writer_fd); + exit(-1); + } + + if (sb.st_uid != u || sb.st_gid != g) { + warnx("%s: stat chown result", __func__); + cleanfifo("testfifo", reader_fd, writer_fd); + exit(-1); + } + + if (fstat(writer_fd, &sb) != 0) { + warn("%s: fstat", __func__); + cleanfifo("testfifo", reader_fd, writer_fd); + exit(-1); + } + + if (sb.st_uid != u || sb.st_gid != g) { + warnx("%s: fstat chown result", __func__); + cleanfifo("testfifo", reader_fd, writer_fd); + exit(-1); + } + + cleanfifo("testfifo", -1, -1); +} + +int +main(int argc, char *argv[]) +{ + + strcpy(temp_dir, "/tmp/fifo_misc.XXXXXXXXXXX"); + if (mkdtemp(temp_dir) == NULL) + err(-1, "mkdtemp"); + atexit(atexit_temp_dir); + + if (chdir(temp_dir) < 0) + err(-1, "chdir %s", temp_dir); + + test_lseek(); + test_truncate(); + test_ioctl(); + test_chmodchown(); + + return (0); +} diff --git a/tools/regression/fifo/fifo_open/Makefile b/tools/regression/fifo/fifo_open/Makefile new file mode 100644 index 0000000..d90811c --- /dev/null +++ b/tools/regression/fifo/fifo_open/Makefile @@ -0,0 +1,7 @@ +# $FreeBSD$ + +PROG= fifo_open +MAN= +WARNS?= 3 + +.include <bsd.prog.mk> diff --git a/tools/regression/fifo/fifo_open/fifo_open.c b/tools/regression/fifo/fifo_open/fifo_open.c new file mode 100644 index 0000000..6899a3a --- /dev/null +++ b/tools/regression/fifo/fifo_open/fifo_open.c @@ -0,0 +1,476 @@ +/*- + * Copyright (c) 2005 Robert N. M. Watson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/wait.h> + +#include <err.h> +#include <errno.h> +#include <fcntl.h> +#include <limits.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +/* + * Regression test to exercise various POSIX-defined parts of fifo behavior + * described for open(2): + * + * O_NONBLOCK + * When opening a FIFO with O_RDONLY or O_WRONLY set: + * + * - If O_NONBLOCK is set, an open() for reading-only shall return without + * delay. An open() for writing-only shall return an error if no process + * currently has the file open for reading. + * + * - If O_NONBLOCK is clear, an open() for reading-only shall block the + * calling thread until a thread opens the file for writing. An open() + * for writing-only shall block the calling thread until a thread opens + * the file for reading. + * + * When opening a block special or character special file that supports + * non-blocking opens: + * + * - If O_NONBLOCK is set, the open() function shall return without blocking + * for the device to be ready or available. Subsequent behavior of the + * device is device-specific. + * + * - If O_NONBLOCK is clear, the open() function shall block the calling + * thread until the device is ready or available before returning. + * + * Special errors: + * + * [ENXIO] + * O_NONBLOCK is set, the named file is a FIFO, O_WRONLY is set, and no + * process has the file open for reading. + */ + +/* + * In order to test blocking/non-blocking behavior, test processes must + * potentially block themselves until released. As bugs in blocking result + * in processes that won't un-block, we must sacrifice a process to the task, + * watching and potentially killing it after a time-out. The main test + * process is never used to open or act directly on a fifo (other than to + * create or unlink it) in order to avoid the main test process being + * blocked. + */ + +/* + * All activity occurs within a temporary directory created early in the + * test. + */ +char temp_dir[PATH_MAX]; + +static void __unused +atexit_temp_dir(void) +{ + + rmdir(temp_dir); +} + +/* + * Run a function in a particular test process. + */ +static int +run_in_process(int (*func)(void), pid_t *pidp, const char *errstr) +{ + pid_t pid; + + pid = fork(); + if (pid < 0) { + warn("%s: run_in_process: fork", errstr); + return (-1); + } + + if (pid == 0) + exit(func()); + + if (pidp != NULL) + *pidp = pid; + + return (0); +} + +/* + * Wait for a process on a timeout, and if the timeout expires, kill the + * process. Test each second rather than waiting the full timeout at once to + * minimize the amount of time spent hanging around unnecessarily. + */ +static int +wait_and_timeout(pid_t pid, int timeout, int *status, const char *errstr) +{ + pid_t wpid; + int i; + + /* + * Count up to the timeout, but do a non-hanging waitpid() after each + * second so we can avoid waiting a lot of extra time. + */ + for (i = 0; i < timeout; i++) { + wpid = waitpid(pid, status, WNOHANG); + if (wpid < 0) { + warn("%s: wait_and_timeout: waitpid %d", errstr, pid); + return (-1); + } + + if (wpid == pid) + return (0); + + sleep(1); + } + + wpid = waitpid(pid, status, WNOHANG); + if (wpid < 0) { + warn("%s: wait_and_timeout: waitpid %d", errstr, pid); + return (-1); + } + + if (wpid == pid) + return (0); + + if (kill(pid, SIGTERM) < 0) { + warn("%s: wait_and_timeout: kill %d", errstr, pid); + return (-1); + } + + wpid = waitpid(pid, status, 0); + if (wpid < 0) { + warn("%s: wait_and_timeout: waitpid %d", errstr, pid); + return (-1); + } + + if (wpid != pid) { + warn("%s: waitpid: returned %d not %d", errstr, wpid, pid); + return (-1); + } + + warnx("%s: process blocked", errstr); + return (-1); +} + +static int +non_blocking_open_reader(void) +{ + int fd; + + fd = open("testfifo", O_RDONLY | O_NONBLOCK); + if (fd < 0) + return (errno); + close(fd); + + return (0); +} + +static int +non_blocking_open_writer(void) +{ + int fd; + + fd = open("testfifo", O_WRONLY | O_NONBLOCK); + if (fd < 0) + return (errno); + close(fd); + + return (0); +} + +static int +blocking_open_reader(void) +{ + int fd; + + fd = open("testfifo", O_RDONLY); + if (fd < 0) + return (errno); + close(fd); + + return (0); +} + +static int +blocking_open_writer(void) +{ + int fd; + + fd = open("testfifo", O_WRONLY); + if (fd < 0) + return (errno); + close(fd); + + return (0); +} + +static void +test_blocking_reader(void) +{ + pid_t reader_pid, writer_pid, wpid; + int error, status; + + if (mkfifo("testfifo", 0600) < 0) + err(-1, "test_blocking_reader: mkfifo: testfifo"); + + /* + * Block a process in opening the fifo. + */ + if (run_in_process(blocking_open_reader, &reader_pid, + "test_blocking_reader: blocking_open_reader") < 0) { + (void)unlink("testfifo"); + exit(-1); + } + + /* + * Test that it blocked. + */ + sleep(5); + wpid = waitpid(reader_pid, &status, WNOHANG); + if (wpid < 0) { + error = errno; + (void)unlink("testfifo"); + errno = error; + err(-1, "test_blocking_reader: waitpid %d", reader_pid); + } + + if (wpid != 0 && wpid != reader_pid) { + (void)unlink("testfifo"); + errx(-1, "test_blocking_reader: waitpid %d returned %d", + reader_pid, wpid); + } + + if (wpid == reader_pid) { + (void)unlink("testfifo"); + errx(-1, "test_blocking_reader: blocking child didn't " + "block"); + } + + /* + * Unblock the blocking reader. + */ + if (run_in_process(blocking_open_writer, &writer_pid, + "test_blocking_reader: blocking_open_writer") < 0) { + (void)unlink("testfifo"); + (void)kill(reader_pid, SIGTERM); + (void)waitpid(reader_pid, &status, 0); + exit(-1); + } + + /* + * Make sure both processes exited quickly (<1 second) to make sure + * they didn't block, and GC. + */ + if (wait_and_timeout(reader_pid, 1, &status, + "test_blocking_reader: blocking_open_reader") < 0) { + (void)unlink("testinfo"); + (void)kill(reader_pid, SIGTERM); + (void)kill(writer_pid, SIGTERM); + exit(-1); + } + + if (wait_and_timeout(writer_pid, 1, &status, + "test_blocking_reader: blocking_open_writer") < 0) { + (void)unlink("testinfo"); + (void)kill(writer_pid, SIGTERM); + exit(-1); + } + + if (unlink("testfifo") < 0) + err(-1, "test_blocking_reader: unlink: testfifo"); +} +static void +test_blocking_writer(void) +{ + pid_t reader_pid, writer_pid, wpid; + int error, status; + + if (mkfifo("testfifo", 0600) < 0) + err(-1, "test_blocking_writer: mkfifo: testfifo"); + + /* + * Block a process in opening the fifo. + */ + if (run_in_process(blocking_open_writer, &writer_pid, + "test_blocking_writer: blocking_open_writer") < 0) { + (void)unlink("testfifo"); + exit(-1); + } + + /* + * Test that it blocked. + */ + sleep(5); + wpid = waitpid(writer_pid, &status, WNOHANG); + if (wpid < 0) { + error = errno; + (void)unlink("testfifo"); + errno = error; + err(-1, "test_blocking_writer: waitpid %d", writer_pid); + } + + if (wpid != 0 && wpid != writer_pid) { + (void)unlink("testfifo"); + errx(-1, "test_blocking_writer: waitpid %d returned %d", + writer_pid, wpid); + } + + if (wpid == writer_pid) { + (void)unlink("testfifo"); + errx(-1, "test_blocking_writer: blocking child didn't " + "block"); + } + + /* + * Unblock the blocking writer. + */ + if (run_in_process(blocking_open_reader, &reader_pid, + "test_blocking_writer: blocking_open_reader") < 0) { + (void)unlink("testfifo"); + (void)kill(writer_pid, SIGTERM); + (void)waitpid(writer_pid, &status, 0); + exit(-1); + } + + /* + * Make sure both processes exited quickly (<1 second) to make sure + * they didn't block, and GC. + */ + if (wait_and_timeout(writer_pid, 1, &status, + "test_blocking_writer: blocking_open_writer") < 0) { + (void)unlink("testinfo"); + (void)kill(writer_pid, SIGTERM); + (void)kill(reader_pid, SIGTERM); + (void)waitpid(writer_pid, &status, 0); + (void)waitpid(reader_pid, &status, 0); + exit(-1); + } + + if (wait_and_timeout(reader_pid, 1, &status, + "test_blocking_writer: blocking_open_reader") < 0) { + (void)unlink("testinfo"); + (void)kill(reader_pid, SIGTERM); + (void)waitpid(reader_pid, &status, 0); + exit(-1); + } + + if (unlink("testfifo") < 0) + err(-1, "test_blocking_writer: unlink: testfifo"); +} + +static void +test_non_blocking_reader(void) +{ + int status; + pid_t pid; + + if (mkfifo("testfifo", 0600) < 0) + err(-1, "test_non_blocking_reader: mkfifo: testfifo"); + + if (run_in_process(non_blocking_open_reader, &pid, + "test_non_blocking_reader: non_blocking_open_reader") < 0) { + (void)unlink("testfifo"); + exit(-1); + } + + status = -1; + if (wait_and_timeout(pid, 5, &status, + "test_non_blocking_reader: non_blocking_open_reader") < 0) { + (void)unlink("testfifo"); + exit(-1); + } + + if (WEXITSTATUS(status) != 0) { + (void)unlink("testfifo"); + errno = WEXITSTATUS(status); + err(-1, "test_non_blocking_reader: " + "non_blocking_open_reader: open: testfifo"); + } + + if (unlink("testfifo") < 0) + err(-1, "test_non_blocking_reader: unlink: testfifo"); +} + +static void +test_non_blocking_writer(void) +{ + int status; + pid_t pid; + + if (mkfifo("testfifo", 0600) < 0) + err(-1, "test_non_blocking_writer: mkfifo: testfifo"); + + if (run_in_process(non_blocking_open_writer, &pid, + "test_non_blocking_writer: non_blocking_open_writer") < 0) { + (void)unlink("testfifo"); + exit(-1); + } + + status = -1; + if (wait_and_timeout(pid, 5, &status, + "test_non_blocking_writer: non_blocking_open_writer") < 0) { + (void)unlink("testfifo"); + exit(-1); + } + + if (WEXITSTATUS(status) != ENXIO) { + (void)unlink("testfifo"); + + errno = WEXITSTATUS(status); + if (errno == 0) + errx(-1, "test_non_blocking_writer: " + "non_blocking_open_writer: open succeeded"); + err(-1, "test_non_blocking_writer: " + "non_blocking_open_writer: open: testfifo"); + } + + if (unlink("testfifo") < 0) + err(-1, "test_non_blocking_writer: unlink: testfifo"); +} + +int +main(int argc, char *argv[]) +{ + + if (geteuid() != 0) + errx(-1, "must be run as root"); + + strcpy(temp_dir, "/tmp/fifo_open.XXXXXXXXXXX"); + if (mkdtemp(temp_dir) == NULL) + err(-1, "mkdtemp"); + if (chdir(temp_dir) < 0) + err(-1, "chdir: %s", temp_dir); + atexit(atexit_temp_dir); + + test_non_blocking_reader(); + test_non_blocking_writer(); + + test_blocking_reader(); + test_blocking_writer(); + + return (0); +} diff --git a/tools/regression/file/closefrom/Makefile b/tools/regression/file/closefrom/Makefile new file mode 100644 index 0000000..4b8829c --- /dev/null +++ b/tools/regression/file/closefrom/Makefile @@ -0,0 +1,9 @@ +# $FreeBSD$ + +PROG= closefrom +MAN= +WARNS?= 6 +DPADD= ${LIBUTIL} +LDADD= -lutil + +.include <bsd.prog.mk> diff --git a/tools/regression/file/closefrom/closefrom.c b/tools/regression/file/closefrom/closefrom.c new file mode 100644 index 0000000..b27ec51 --- /dev/null +++ b/tools/regression/file/closefrom/closefrom.c @@ -0,0 +1,274 @@ +/*- + * Copyright (c) 2009 Hudson River Trading LLC + * Written by: John H. Baldwin <jhb@FreeBSD.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +/* + * Regression tests for the closefrom(2) system call. + */ + +#include <sys/param.h> +#include <sys/mman.h> +#include <sys/user.h> +#include <sys/wait.h> +#include <errno.h> +#include <fcntl.h> +#include <libutil.h> +#include <stdarg.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +struct shared_info { + int failed; + char tag[64]; + char message[0]; +}; + +static int test = 1; + +static void +ok(const char *descr) +{ + + printf("ok %d - %s\n", test, descr); + test++; +} + +static void +fail(const char *descr, const char *fmt, ...) +{ + va_list ap; + + printf("not ok %d - %s", test, descr); + test++; + if (fmt) { + va_start(ap, fmt); + printf(" # "); + vprintf(fmt, ap); + va_end(ap); + } + printf("\n"); + exit(1); +} + +#define fail_err(descr) fail((descr), "%s", strerror(errno)) + +static void +cok(struct shared_info *info, const char *descr) +{ + + info->failed = 0; + strlcpy(info->tag, descr, sizeof(info->tag)); + exit(0); +} + +static void +cfail(struct shared_info *info, const char *descr, const char *fmt, ...) +{ + va_list ap; + + info->failed = 1; + strlcpy(info->tag, descr, sizeof(info->tag)); + if (fmt) { + va_start(ap, fmt); + vsprintf(info->message, fmt, ap); + va_end(ap); + } + exit(0); +} + +#define cfail_err(info, descr) cfail((info), (descr), "%s", strerror(errno)) + +/* + * Use kinfo_getfile() to fetch the list of file descriptors and figure out + * the highest open file descriptor. + */ +static int +highest_fd(void) +{ + struct kinfo_file *kif; + int cnt, i, highest; + + kif = kinfo_getfile(getpid(), &cnt); + if (kif == NULL) + fail_err("kinfo_getfile"); + highest = INT_MIN; + for (i = 0; i < cnt; i++) + if (kif[i].kf_fd > highest) + highest = kif[i].kf_fd; + free(kif); + return (highest); +} + +static int +devnull(void) +{ + int fd; + + fd = open("/dev/null", O_RDONLY); + if (fd < 0) + fail_err("open(\"/dev/null\")"); + return (fd); +} + +int +main(int __unused argc, char __unused *argv[]) +{ + struct shared_info *info; + pid_t pid; + int fd, i; + + printf("1..15\n"); + + /* We better start up with fd's 0, 1, and 2 open. */ + fd = devnull(); + if (fd != 3) + fail("open", "bad descriptor %d", fd); + ok("open"); + + /* Make sure highest_fd() works. */ + fd = highest_fd(); + if (fd != 3) + fail("highest_fd", "bad descriptor %d", fd); + ok("highest_fd"); + + /* Try to use closefrom() for just closing fd 3. */ + closefrom(3); + fd = highest_fd(); + if (fd != 2) + fail("closefrom", "highest fd %d", fd); + ok("closefrom"); + + /* Eat up 16 descriptors. */ + for (i = 0; i < 16; i++) + (void)devnull(); + fd = highest_fd(); + if (fd != 18) + fail("open 16", "highest fd %d", fd); + ok("open 16"); + + /* Close half of them. */ + closefrom(11); + fd = highest_fd(); + if (fd != 10) + fail("closefrom", "highest fd %d", fd); + ok("closefrom"); + + /* Explicitly close descriptors 6 and 8 to create holes. */ + if (close(6) < 0 || close(8) < 0) + fail_err("close2 "); + ok("close 2"); + + /* Verify that close on 6 and 8 fails with EBADF. */ + if (close(6) == 0) + fail("close(6)", "did not fail"); + if (errno != EBADF) + fail_err("close(6)"); + ok("close(6)"); + if (close(8) == 0) + fail("close(8)", "did not fail"); + if (errno != EBADF) + fail_err("close(8)"); + ok("close(8)"); + + /* Close from 4 on. */ + closefrom(4); + fd = highest_fd(); + if (fd != 3) + fail("closefrom", "highest fd %d", fd); + ok("closefrom"); + + /* Allocate a small SHM region for IPC with our child. */ + info = mmap(NULL, getpagesize(), PROT_READ | PROT_WRITE, MAP_ANON | + MAP_SHARED, -1, 0); + if (info == MAP_FAILED) + fail_err("mmap"); + ok("mmap"); + + /* Fork a child process to test closefrom(0). */ + pid = fork(); + if (pid < 0) + fail_err("fork"); + if (pid == 0) { + /* Child. */ + closefrom(0); + fd = highest_fd(); + if (fd >= 0) + cfail(info, "closefrom(0)", "highest fd %d", fd); + cok(info, "closefrom(0)"); + } + if (wait(NULL) < 0) + fail_err("wait"); + if (info->failed) + fail(info->tag, "%s", info->message); + ok(info->tag); + + /* Fork a child process to test closefrom(-1). */ + pid = fork(); + if (pid < 0) + fail_err("fork"); + if (pid == 0) { + /* Child. */ + closefrom(-1); + fd = highest_fd(); + if (fd >= 0) + cfail(info, "closefrom(-1)", "highest fd %d", fd); + cok(info, "closefrom(-1)"); + } + if (wait(NULL) < 0) + fail_err("wait"); + if (info->failed) + fail(info->tag, "%s", info->message); + ok(info->tag); + + /* Dup stdout to 6. */ + if (dup2(1, 6) < 0) + fail_err("dup2"); + fd = highest_fd(); + if (fd != 6) + fail("dup2", "highest fd %d", fd); + ok("dup2"); + + /* Do a closefrom() starting in a hole. */ + closefrom(4); + fd = highest_fd(); + if (fd != 3) + fail("closefrom", "highest fd %d", fd); + ok("closefrom"); + + /* Do a closefrom() beyond our highest open fd. */ + closefrom(32); + fd = highest_fd(); + if (fd != 3) + fail("closefrom", "highest fd %d", fd); + ok("closefrom"); + + return (0); +} diff --git a/tools/regression/file/closefrom/closefrom.t b/tools/regression/file/closefrom/closefrom.t new file mode 100644 index 0000000..8bdfd03 --- /dev/null +++ b/tools/regression/file/closefrom/closefrom.t @@ -0,0 +1,10 @@ +#!/bin/sh +# $FreeBSD$ + +cd `dirname $0` + +executable=`basename $0 .t` + +make $executable 2>&1 > /dev/null + +exec ./$executable diff --git a/tools/regression/file/dup/Makefile b/tools/regression/file/dup/Makefile new file mode 100644 index 0000000..225c2e2 --- /dev/null +++ b/tools/regression/file/dup/Makefile @@ -0,0 +1,7 @@ +# $FreeBSD$ + +PROG= dup +MAN= +WARNS?= 6 + +.include <bsd.prog.mk> diff --git a/tools/regression/file/dup/dup.c b/tools/regression/file/dup/dup.c new file mode 100644 index 0000000..8173818 --- /dev/null +++ b/tools/regression/file/dup/dup.c @@ -0,0 +1,386 @@ +/* + * $OpenBSD: dup2test.c,v 1.3 2003/07/31 21:48:08 deraadt Exp $ + * $OpenBSD: dup2_self.c,v 1.3 2003/07/31 21:48:08 deraadt Exp $ + * $OpenBSD: fcntl_dup.c,v 1.2 2003/07/31 21:48:08 deraadt Exp $ + * + * Written by Artur Grabowski <art@openbsd.org> 2002 Public Domain. + * + * $FreeBSD$ + */ + +/* + * Test #1: check if dup(2) works. + * Test #2: check if dup2(2) works. + * Test #3: check if dup2(2) returned a fd we asked for. + * Test #4: check if dup2(2) cleared close-on-exec flag for duped fd. + * Test #5: check if dup2(2) allows to dup fd to itself. + * Test #6: check if dup2(2) returned a fd we asked for. + * Test #7: check if dup2(2) did not clear close-on-exec flag for duped fd. + * Test #8: check if fcntl(F_DUPFD) works. + * Test #9: check if fcntl(F_DUPFD) cleared close-on-exec flag for duped fd. + * Test #10: check if dup2() to a fd > current maximum number of open files + * limit work. + * Test #11: check if fcntl(F_DUP2FD) works. + * Test #12: check if fcntl(F_DUP2FD) returned a fd we asked for. + * Test #13: check if fcntl(F_DUP2FD) cleared close-on-exec flag for duped fd. + * Test #14: check if fcntl(F_DUP2FD) allows to dup fd to itself. + * Test #15: check if fcntl(F_DUP2FD) returned a fd we asked for. + * Test #16: check if fcntl(F_DUP2FD) did not clear close-on-exec flag for + * duped fd. + * Test #17: check if fcntl(F_DUP2FD) to a fd > current maximum number of open + * files limit work. + * Test #18: check if fcntl(F_DUPFD_CLOEXEC) works. + * Test #19: check if fcntl(F_DUPFD_CLOEXEC) set close-on-exec flag for duped + * fd. + * Test #20: check if fcntl(F_DUP2FD_CLOEXEC) works. + * Test #21: check if fcntl(F_DUP2FD_CLOEXEC) returned a fd we asked for. + * Test #22: check if fcntl(F_DUP2FD_CLOEXEC) set close-on-exec flag for duped + * fd. + * Test #23: check if fcntl(F_DUP2FD_CLOEXEC) to a fd > current maximum number + * of open files limit work. + * Test #24: check if dup3(O_CLOEXEC) works. + * Test #25: check if dup3(O_CLOEXEC) returned a fd we asked for. + * Test #26: check if dup3(O_CLOEXEC) set close-on-exec flag for duped fd. + * Test #27: check if dup3(0) works. + * Test #28: check if dup3(0) returned a fd we asked for. + * Test #29: check if dup3(0) cleared close-on-exec flag for duped fd. + * Test #30: check if dup3(O_CLOEXEC) fails if oldfd == newfd. + * Test #31: check if dup3(0) fails if oldfd == newfd. + * Test #32: check if dup3(O_CLOEXEC) to a fd > current maximum number of + * open files limit work. + */ + +#include <sys/types.h> +#include <sys/time.h> +#include <sys/resource.h> + +#include <err.h> +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +static int getafile(void); + +static int +getafile(void) +{ + int fd; + + char temp[] = "/tmp/dup2XXXXXXXXX"; + if ((fd = mkstemp(temp)) < 0) + err(1, "mkstemp"); + remove(temp); + if (ftruncate(fd, 1024) != 0) + err(1, "ftruncate"); + return (fd); +} + +int +main(int __unused argc, char __unused *argv[]) +{ + struct rlimit rlp; + int orgfd, fd1, fd2, test = 0; + + orgfd = getafile(); + + printf("1..32\n"); + + /* If dup(2) ever work? */ + if ((fd1 = dup(orgfd)) < 0) + err(1, "dup"); + printf("ok %d - dup(2) works\n", ++test); + + /* Set close-on-exec */ + if (fcntl(fd1, F_SETFD, 1) != 0) + err(1, "fcntl(F_SETFD)"); + + /* If dup2(2) ever work? */ + if ((fd2 = dup2(fd1, fd1 + 1)) < 0) + err(1, "dup2"); + printf("ok %d - dup2(2) works\n", ++test); + + /* Do we get the right fd? */ + ++test; + if (fd2 != fd1 + 1) + printf("no ok %d - dup2(2) didn't give us the right fd\n", + test); + else + printf("ok %d - dup2(2) returned a correct fd\n", test); + + /* Was close-on-exec cleared? */ + ++test; + if (fcntl(fd2, F_GETFD) != 0) + printf("not ok %d - dup2(2) didn't clear close-on-exec\n", + test); + else + printf("ok %d - dup2(2) cleared close-on-exec\n", test); + + /* + * Dup to itself. + * + * We're testing a small tweak in dup2 semantics. + * Normally dup and dup2 will clear the close-on-exec + * flag on the new fd (which appears to be an implementation + * mistake from start and not some planned behavior). + * In today's implementations of dup and dup2 we have to make + * an effort to really clear that flag. But all tested + * implementations of dup2 have another tweak. If we + * dup2(old, new) when old == new, the syscall short-circuits + * and returns early (because there is no need to do all the + * work (and there is a risk for serious mistakes)). + * So although the docs say that dup2 should "take 'old', + * close 'new' perform a dup(2) of 'old' into 'new'" + * the docs are not really followed because close-on-exec + * is not cleared on 'new'. + * + * Since everyone has this bug, we pretend that this is + * the way it is supposed to be and test here that it really + * works that way. + * + * This is a fine example on where two separate implementation + * fuckups take out each other and make the end-result the way + * it was meant to be. + */ + if ((fd2 = dup2(fd1, fd1)) < 0) + err(1, "dup2"); + printf("ok %d - dup2(2) to itself works\n", ++test); + + /* Do we get the right fd? */ + ++test; + if (fd2 != fd1) + printf("not ok %d - dup2(2) didn't give us the right fd\n", + test); + else + printf("ok %d - dup2(2) to itself returned a correct fd\n", + test); + + /* Was close-on-exec cleared? */ + ++test; + if (fcntl(fd2, F_GETFD) == 0) + printf("not ok %d - dup2(2) cleared close-on-exec\n", test); + else + printf("ok %d - dup2(2) didn't clear close-on-exec\n", test); + + /* Does fcntl(F_DUPFD) work? */ + if ((fd2 = fcntl(fd1, F_DUPFD, 10)) < 0) + err(1, "fcntl(F_DUPFD)"); + if (fd2 < 10) + printf("not ok %d - fcntl(F_DUPFD) returned wrong fd %d\n", + ++test, fd2); + else + printf("ok %d - fcntl(F_DUPFD) works\n", ++test); + + /* Was close-on-exec cleared? */ + ++test; + if (fcntl(fd2, F_GETFD) != 0) + printf( + "not ok %d - fcntl(F_DUPFD) didn't clear close-on-exec\n", + test); + else + printf("ok %d - fcntl(F_DUPFD) cleared close-on-exec\n", test); + + ++test; + if (getrlimit(RLIMIT_NOFILE, &rlp) < 0) + err(1, "getrlimit"); + if ((fd2 = dup2(fd1, rlp.rlim_cur + 1)) >= 0) + printf("not ok %d - dup2(2) bypassed NOFILE limit\n", test); + else + printf("ok %d - dup2(2) didn't bypass NOFILE limit\n", test); + + /* If fcntl(F_DUP2FD) ever work? */ + if ((fd2 = fcntl(fd1, F_DUP2FD, fd1 + 1)) < 0) + err(1, "fcntl(F_DUP2FD)"); + printf("ok %d - fcntl(F_DUP2FD) works\n", ++test); + + /* Do we get the right fd? */ + ++test; + if (fd2 != fd1 + 1) + printf( + "no ok %d - fcntl(F_DUP2FD) didn't give us the right fd\n", + test); + else + printf("ok %d - fcntl(F_DUP2FD) returned a correct fd\n", + test); + + /* Was close-on-exec cleared? */ + ++test; + if (fcntl(fd2, F_GETFD) != 0) + printf( + "not ok %d - fcntl(F_DUP2FD) didn't clear close-on-exec\n", + test); + else + printf("ok %d - fcntl(F_DUP2FD) cleared close-on-exec\n", + test); + + /* Dup to itself */ + if ((fd2 = fcntl(fd1, F_DUP2FD, fd1)) < 0) + err(1, "fcntl(F_DUP2FD)"); + printf("ok %d - fcntl(F_DUP2FD) to itself works\n", ++test); + + /* Do we get the right fd? */ + ++test; + if (fd2 != fd1) + printf( + "not ok %d - fcntl(F_DUP2FD) didn't give us the right fd\n", + test); + else + printf( + "ok %d - fcntl(F_DUP2FD) to itself returned a correct fd\n", + test); + + /* Was close-on-exec cleared? */ + ++test; + if (fcntl(fd2, F_GETFD) == 0) + printf("not ok %d - fcntl(F_DUP2FD) cleared close-on-exec\n", + test); + else + printf("ok %d - fcntl(F_DUP2FD) didn't clear close-on-exec\n", + test); + + ++test; + if (getrlimit(RLIMIT_NOFILE, &rlp) < 0) + err(1, "getrlimit"); + if ((fd2 = fcntl(fd1, F_DUP2FD, rlp.rlim_cur + 1)) >= 0) + printf("not ok %d - fcntl(F_DUP2FD) bypassed NOFILE limit\n", + test); + else + printf("ok %d - fcntl(F_DUP2FD) didn't bypass NOFILE limit\n", + test); + + /* Does fcntl(F_DUPFD_CLOEXEC) work? */ + if ((fd2 = fcntl(fd1, F_DUPFD_CLOEXEC, 10)) < 0) + err(1, "fcntl(F_DUPFD_CLOEXEC)"); + if (fd2 < 10) + printf("not ok %d - fcntl(F_DUPFD_CLOEXEC) returned wrong fd %d\n", + ++test, fd2); + else + printf("ok %d - fcntl(F_DUPFD_CLOEXEC) works\n", ++test); + + /* Was close-on-exec cleared? */ + ++test; + if (fcntl(fd2, F_GETFD) != 1) + printf( + "not ok %d - fcntl(F_DUPFD_CLOEXEC) didn't set close-on-exec\n", + test); + else + printf("ok %d - fcntl(F_DUPFD_CLOEXEC) set close-on-exec\n", + test); + + /* If fcntl(F_DUP2FD_CLOEXEC) ever work? */ + if ((fd2 = fcntl(fd1, F_DUP2FD_CLOEXEC, fd1 + 1)) < 0) + err(1, "fcntl(F_DUP2FD_CLOEXEC)"); + printf("ok %d - fcntl(F_DUP2FD_CLOEXEC) works\n", ++test); + + /* Do we get the right fd? */ + ++test; + if (fd2 != fd1 + 1) + printf( + "no ok %d - fcntl(F_DUP2FD_CLOEXEC) didn't give us the right fd\n", + test); + else + printf("ok %d - fcntl(F_DUP2FD_CLOEXEC) returned a correct fd\n", + test); + + /* Was close-on-exec set? */ + ++test; + if (fcntl(fd2, F_GETFD) != FD_CLOEXEC) + printf( + "not ok %d - fcntl(F_DUP2FD_CLOEXEC) didn't set close-on-exec\n", + test); + else + printf("ok %d - fcntl(F_DUP2FD_CLOEXEC) set close-on-exec\n", + test); + + /* + * It is unclear what F_DUP2FD_CLOEXEC should do when duplicating a + * file descriptor onto itself. + */ + + ++test; + if (getrlimit(RLIMIT_NOFILE, &rlp) < 0) + err(1, "getrlimit"); + if ((fd2 = fcntl(fd1, F_DUP2FD_CLOEXEC, rlp.rlim_cur + 1)) >= 0) + printf("not ok %d - fcntl(F_DUP2FD_CLOEXEC) bypassed NOFILE limit\n", + test); + else + printf("ok %d - fcntl(F_DUP2FD_CLOEXEC) didn't bypass NOFILE limit\n", + test); + + /* Does dup3(O_CLOEXEC) ever work? */ + if ((fd2 = dup3(fd1, fd1 + 1, O_CLOEXEC)) < 0) + err(1, "dup3(O_CLOEXEC)"); + printf("ok %d - dup3(O_CLOEXEC) works\n", ++test); + + /* Do we get the right fd? */ + ++test; + if (fd2 != fd1 + 1) + printf( + "no ok %d - dup3(O_CLOEXEC) didn't give us the right fd\n", + test); + else + printf("ok %d - dup3(O_CLOEXEC) returned a correct fd\n", + test); + + /* Was close-on-exec set? */ + ++test; + if (fcntl(fd2, F_GETFD) != FD_CLOEXEC) + printf( + "not ok %d - dup3(O_CLOEXEC) didn't set close-on-exec\n", + test); + else + printf("ok %d - dup3(O_CLOEXEC) set close-on-exec\n", + test); + + /* Does dup3(0) ever work? */ + if ((fd2 = dup3(fd1, fd1 + 1, 0)) < 0) + err(1, "dup3(0)"); + printf("ok %d - dup3(0) works\n", ++test); + + /* Do we get the right fd? */ + ++test; + if (fd2 != fd1 + 1) + printf( + "no ok %d - dup3(0) didn't give us the right fd\n", + test); + else + printf("ok %d - dup3(0) returned a correct fd\n", + test); + + /* Was close-on-exec cleared? */ + ++test; + if (fcntl(fd2, F_GETFD) != 0) + printf( + "not ok %d - dup3(0) didn't clear close-on-exec\n", + test); + else + printf("ok %d - dup3(0) cleared close-on-exec\n", + test); + + /* dup3() does not allow duplicating to the same fd */ + ++test; + if (dup3(fd1, fd1, O_CLOEXEC) != -1) + printf( + "not ok %d - dup3(fd1, fd1, O_CLOEXEC) succeeded\n", test); + else + printf("ok %d - dup3(fd1, fd1, O_CLOEXEC) failed\n", test); + + ++test; + if (dup3(fd1, fd1, 0) != -1) + printf( + "not ok %d - dup3(fd1, fd1, 0) succeeded\n", test); + else + printf("ok %d - dup3(fd1, fd1, 0) failed\n", test); + + ++test; + if (getrlimit(RLIMIT_NOFILE, &rlp) < 0) + err(1, "getrlimit"); + if ((fd2 = dup3(fd1, rlp.rlim_cur + 1, O_CLOEXEC)) >= 0) + printf("not ok %d - dup3(O_CLOEXEC) bypassed NOFILE limit\n", + test); + else + printf("ok %d - dup3(O_CLOEXEC) didn't bypass NOFILE limit\n", + test); + + return (0); +} diff --git a/tools/regression/file/dup/dup.t b/tools/regression/file/dup/dup.t new file mode 100644 index 0000000..8bdfd03 --- /dev/null +++ b/tools/regression/file/dup/dup.t @@ -0,0 +1,10 @@ +#!/bin/sh +# $FreeBSD$ + +cd `dirname $0` + +executable=`basename $0 .t` + +make $executable 2>&1 > /dev/null + +exec ./$executable diff --git a/tools/regression/file/fcntlflags/Makefile b/tools/regression/file/fcntlflags/Makefile new file mode 100644 index 0000000..9e7fc3e --- /dev/null +++ b/tools/regression/file/fcntlflags/Makefile @@ -0,0 +1,7 @@ +# $FreeBSD$ + +PROG= fcntlflags +MAN= +WARNS?= 6 + +.include <bsd.prog.mk> diff --git a/tools/regression/file/fcntlflags/fcntlflags.c b/tools/regression/file/fcntlflags/fcntlflags.c new file mode 100644 index 0000000..bcb3b54 --- /dev/null +++ b/tools/regression/file/fcntlflags/fcntlflags.c @@ -0,0 +1,110 @@ +/*- + * Copyright (c) 2013 Jilles Tjoelker + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/cdefs.h> + +#include <fcntl.h> +#include <stdio.h> +#include <unistd.h> + +/* + * O_ACCMODE is currently defined incorrectly. This is what it should be. + * Various code depends on the incorrect value. + */ +#define CORRECT_O_ACCMODE (O_ACCMODE | O_EXEC) + +static int testnum; + +static void +subtests(const char *path, int omode, const char *omodetext) +{ + int fd, flags1, flags2, flags3; + + fd = open(path, omode); + if (fd == -1) + printf("not ok %d - open(\"%s\", %s) failed\n", + testnum++, path, omodetext); + else + printf("ok %d - open(\"%s\", %s) succeeded\n", + testnum++, path, omodetext); + flags1 = fcntl(fd, F_GETFL); + if (flags1 == -1) + printf("not ok %d - fcntl(F_GETFL) failed\n", testnum++); + else if ((flags1 & CORRECT_O_ACCMODE) == omode) + printf("ok %d - fcntl(F_GETFL) gave correct result\n", + testnum++); + else + printf("not ok %d - fcntl(F_GETFL) gave incorrect result " + "(%#x & %#x != %#x)\n", + testnum++, flags1, CORRECT_O_ACCMODE, omode); + if (fcntl(fd, F_SETFL, flags1) == -1) + printf("not ok %d - fcntl(F_SETFL) same flags failed\n", + testnum++); + else + printf("ok %d - fcntl(F_SETFL) same flags succeeded\n", + testnum++); + flags2 = fcntl(fd, F_GETFL); + if (flags2 == -1) + printf("not ok %d - fcntl(F_GETFL) failed\n", testnum++); + else if (flags2 == flags1) + printf("ok %d - fcntl(F_GETFL) gave same result\n", + testnum++); + else + printf("not ok %d - fcntl(F_SETFL) caused fcntl(F_GETFL) to " + "change from %#x to %#x\n", + testnum++, flags1, flags2); + if (fcntl(fd, F_SETFL, flags2 | O_NONBLOCK) == -1) + printf("not ok %d - fcntl(F_SETFL) O_NONBLOCK failed\n", + testnum++); + else + printf("ok %d - fcntl(F_SETFL) O_NONBLOCK succeeded\n", + testnum++); + flags3 = fcntl(fd, F_GETFL); + if (flags3 == -1) + printf("not ok %d - fcntl(F_GETFL) failed\n", testnum++); + else if (flags3 == (flags2 | O_NONBLOCK)) + printf("ok %d - fcntl(F_GETFL) gave expected result\n", + testnum++); + else + printf("not ok %d - fcntl(F_SETFL) gave unexpected result " + "(%#x != %#x)\n", + testnum++, flags3, flags2 | O_NONBLOCK); + (void)close(fd); +} + +int +main(int argc __unused, char **argv __unused) +{ + printf("1..24\n"); + testnum = 1; + subtests("/dev/null", O_RDONLY, "O_RDONLY"); + subtests("/dev/null", O_WRONLY, "O_WRONLY"); + subtests("/dev/null", O_RDWR, "O_RDWR"); + subtests("/bin/sh", O_EXEC, "O_EXEC"); + return (0); +} diff --git a/tools/regression/file/fcntlflags/fcntlflags.t b/tools/regression/file/fcntlflags/fcntlflags.t new file mode 100644 index 0000000..8bdfd03 --- /dev/null +++ b/tools/regression/file/fcntlflags/fcntlflags.t @@ -0,0 +1,10 @@ +#!/bin/sh +# $FreeBSD$ + +cd `dirname $0` + +executable=`basename $0 .t` + +make $executable 2>&1 > /dev/null + +exec ./$executable diff --git a/tools/regression/file/flock/Makefile b/tools/regression/file/flock/Makefile new file mode 100644 index 0000000..cd1a46d --- /dev/null +++ b/tools/regression/file/flock/Makefile @@ -0,0 +1,9 @@ +# $FreeBSD$ + +PROG= flock +MAN= +WARNS?= 6 +DPADD= ${LIBPTHREAD} +LDADD= -lpthread + +.include <bsd.prog.mk> diff --git a/tools/regression/file/flock/flock.c b/tools/regression/file/flock/flock.c new file mode 100644 index 0000000..49e47b8 --- /dev/null +++ b/tools/regression/file/flock/flock.c @@ -0,0 +1,1598 @@ +/*- + * Copyright (c) 2008 Isilon Inc http://www.isilon.com/ + * Authors: Doug Rabson <dfr@rabson.org> + * Developed with Red Inc: Alfred Perlstein <alfred@freebsd.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/param.h> +#include <sys/file.h> +#include <sys/time.h> +#ifdef __FreeBSD__ +#include <sys/mount.h> +#endif +#include <sys/stat.h> +#include <sys/wait.h> + +#include <err.h> +#include <errno.h> +#include <fcntl.h> +#include <pthread.h> +#include <signal.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#ifdef __FreeBSD__ +#if __FreeBSD_version >= 800028 +#define HAVE_SYSID +#endif +#include <sys/cdefs.h> +#else +#ifndef nitems +#define nitems(x) (sizeof((x)) / sizeof((x)[0])) +#endif + +#ifndef __unused +#ifdef __GNUC__ +#define __unused __attribute__((__unused__)) +#else +#define __unused +#endif +#endif +#endif + +static int verbose = 0; + +static int +make_file(const char *pathname, off_t sz) +{ + struct stat st; + const char *template = "/flocktempXXXXXX"; + size_t len; + char *filename; + int fd; + + if (stat(pathname, &st) == 0) { + if (S_ISREG(st.st_mode)) { + fd = open(pathname, O_RDWR); + if (fd < 0) + err(1, "open(%s)", pathname); + if (ftruncate(fd, sz) < 0) + err(1, "ftruncate"); + return (fd); + } + } + + len = strlen(pathname) + strlen(template) + 1; + filename = malloc(len); + strcpy(filename, pathname); + strcat(filename, template); + fd = mkstemp(filename); + if (fd < 0) + err(1, "mkstemp"); + if (ftruncate(fd, sz) < 0) + err(1, "ftruncate"); + if (unlink(filename) < 0) + err(1, "unlink"); + free(filename); + + return (fd); +} + +static void +ignore_alarm(int __unused sig) +{ +} + +static int +safe_waitpid(pid_t pid) +{ + int save_errno; + int status; + + save_errno = errno; + errno = 0; + while (waitpid(pid, &status, 0) != pid) { + if (errno == EINTR) + continue; + err(1, "waitpid"); + } + errno = save_errno; + + return (status); +} + +#define FAIL(test) \ + do { \ + if (test) { \ + printf("FAIL (%s)\n", #test); \ + return -1; \ + } \ + } while (0) + +#define SUCCEED \ + do { printf("SUCCEED\n"); return 0; } while (0) + +/* + * Test 1 - F_GETLK on unlocked region + * + * If no lock is found that would prevent this lock from being + * created, the structure is left unchanged by this function call + * except for the lock type which is set to F_UNLCK. + */ +static int +test1(int fd, __unused int argc, const __unused char **argv) +{ + struct flock fl1, fl2; + + memset(&fl1, 1, sizeof(fl1)); + fl1.l_type = F_WRLCK; + fl1.l_whence = SEEK_SET; + fl2 = fl1; + + if (fcntl(fd, F_GETLK, &fl1) < 0) + err(1, "F_GETLK"); + + printf("1 - F_GETLK on unlocked region: "); + FAIL(fl1.l_start != fl2.l_start); + FAIL(fl1.l_len != fl2.l_len); + FAIL(fl1.l_pid != fl2.l_pid); + FAIL(fl1.l_type != F_UNLCK); + FAIL(fl1.l_whence != fl2.l_whence); +#ifdef HAVE_SYSID + FAIL(fl1.l_sysid != fl2.l_sysid); +#endif + + SUCCEED; +} + +/* + * Test 2 - F_SETLK on locked region + * + * If a shared or exclusive lock cannot be set, fcntl returns + * immediately with EACCES or EAGAIN. + */ +static int +test2(int fd, __unused int argc, const __unused char **argv) +{ + /* + * We create a child process to hold the lock which we will + * test. We use a pipe to communicate with the child. + */ + int pid; + int pfd[2]; + struct flock fl; + char ch; + int res; + + if (pipe(pfd) < 0) + err(1, "pipe"); + + fl.l_start = 0; + fl.l_len = 0; + fl.l_type = F_WRLCK; + fl.l_whence = SEEK_SET; + + pid = fork(); + if (pid < 0) + err(1, "fork"); + + if (pid == 0) { + /* + * We are the child. We set a write lock and then + * write one byte back to the parent to tell it. The + * parent will kill us when its done. + */ + if (fcntl(fd, F_SETLK, &fl) < 0) + err(1, "F_SETLK (child)"); + if (write(pfd[1], "a", 1) < 0) + err(1, "writing to pipe (child)"); + pause(); + exit(0); + } + + /* + * Wait until the child has set its lock and then perform the + * test. + */ + if (read(pfd[0], &ch, 1) != 1) + err(1, "reading from pipe (child)"); + + /* + * fcntl should return -1 with errno set to either EACCES or + * EAGAIN. + */ + printf("2 - F_SETLK on locked region: "); + res = fcntl(fd, F_SETLK, &fl); + kill(pid, SIGTERM); + safe_waitpid(pid); + close(pfd[0]); + close(pfd[1]); + FAIL(res == 0); + FAIL(errno != EACCES && errno != EAGAIN); + + SUCCEED; +} + +/* + * Test 3 - F_SETLKW on locked region + * + * If a shared or exclusive lock is blocked by other locks, the + * process waits until the request can be satisfied. + * + * XXX this test hangs on FreeBSD NFS filesystems due to limitations + * in FreeBSD's client (and server) lockd implementation. + */ +static int +test3(int fd, __unused int argc, const __unused char **argv) +{ + /* + * We create a child process to hold the lock which we will + * test. We use a pipe to communicate with the child. + */ + int pid; + int pfd[2]; + struct flock fl; + char ch; + int res; + + if (pipe(pfd) < 0) + err(1, "pipe"); + + fl.l_start = 0; + fl.l_len = 0; + fl.l_type = F_WRLCK; + fl.l_whence = SEEK_SET; + + pid = fork(); + if (pid < 0) + err(1, "fork"); + + if (pid == 0) { + /* + * We are the child. We set a write lock and then + * write one byte back to the parent to tell it. The + * parent will kill us when its done. + */ + if (fcntl(fd, F_SETLK, &fl) < 0) + err(1, "F_SETLK (child)"); + if (write(pfd[1], "a", 1) < 0) + err(1, "writing to pipe (child)"); + pause(); + exit(0); + } + + /* + * Wait until the child has set its lock and then perform the + * test. + */ + if (read(pfd[0], &ch, 1) != 1) + err(1, "reading from pipe (child)"); + + /* + * fcntl should wait until the alarm and then return -1 with + * errno set to EINTR. + */ + printf("3 - F_SETLKW on locked region: "); + + alarm(1); + + res = fcntl(fd, F_SETLKW, &fl); + kill(pid, SIGTERM); + safe_waitpid(pid); + close(pfd[0]); + close(pfd[1]); + FAIL(res == 0); + FAIL(errno != EINTR); + + SUCCEED; +} + +/* + * Test 4 - F_GETLK on locked region + * + * Get the first lock that blocks the lock. + */ +static int +test4(int fd, __unused int argc, const __unused char **argv) +{ + /* + * We create a child process to hold the lock which we will + * test. We use a pipe to communicate with the child. + */ + int pid; + int pfd[2]; + struct flock fl; + char ch; + + if (pipe(pfd) < 0) + err(1, "pipe"); + + fl.l_start = 0; + fl.l_len = 99; + fl.l_type = F_WRLCK; + fl.l_whence = SEEK_SET; + + pid = fork(); + if (pid < 0) + err(1, "fork"); + + if (pid == 0) { + /* + * We are the child. We set a write lock and then + * write one byte back to the parent to tell it. The + * parent will kill us when its done. + */ + if (fcntl(fd, F_SETLK, &fl) < 0) + err(1, "F_SETLK (child)"); + if (write(pfd[1], "a", 1) < 0) + err(1, "writing to pipe (child)"); + pause(); + exit(0); + } + + /* + * Wait until the child has set its lock and then perform the + * test. + */ + if (read(pfd[0], &ch, 1) != 1) + err(1, "reading from pipe (child)"); + + /* + * fcntl should return a lock structure reflecting the lock we + * made in the child process. + */ + if (fcntl(fd, F_GETLK, &fl) < 0) + err(1, "F_GETLK"); + + printf("4 - F_GETLK on locked region: "); + FAIL(fl.l_start != 0); + FAIL(fl.l_len != 99); + FAIL(fl.l_type != F_WRLCK); + FAIL(fl.l_pid != pid); +#ifdef HAVE_SYSID + FAIL(fl.l_sysid != 0); +#endif + + kill(pid, SIGTERM); + safe_waitpid(pid); + close(pfd[0]); + close(pfd[1]); + + SUCCEED; +} + +/* + * Test 5 - F_SETLKW simple deadlock + * + * If a blocking shared lock request would cause a deadlock (i.e. the + * lock request is blocked by a process which is itself blocked on a + * lock currently owned by the process making the new request), + * EDEADLK is returned. + */ +static int +test5(int fd, __unused int argc, const __unused char **argv) +{ + /* + * We create a child process to hold the lock which we will + * test. Because our test relies on the child process being + * blocked on the parent's lock, we can't easily use a pipe to + * synchronize so we just sleep in the parent to given the + * child a chance to setup. + * + * To create the deadlock condition, we arrange for the parent + * to lock the first byte of the file and the child to lock + * the second byte. After locking the second byte, the child + * will attempt to lock the first byte of the file, and + * block. The parent will then attempt to lock the second byte + * (owned by the child) which should cause deadlock. + */ + int pid; + struct flock fl; + int res; + + /* + * Lock the first byte in the parent. + */ + fl.l_start = 0; + fl.l_len = 1; + fl.l_type = F_WRLCK; + fl.l_whence = SEEK_SET; + if (fcntl(fd, F_SETLK, &fl) < 0) + err(1, "F_SETLK 1 (parent)"); + + pid = fork(); + if (pid < 0) + err(1, "fork"); + + if (pid == 0) { + /* + * Lock the second byte in the child and then block on + * the parent's lock. + */ + fl.l_start = 1; + if (fcntl(fd, F_SETLK, &fl) < 0) + err(1, "F_SETLK (child)"); + fl.l_start = 0; + if (fcntl(fd, F_SETLKW, &fl) < 0) + err(1, "F_SETLKW (child)"); + exit(0); + } + + /* + * Wait until the child has set its lock and then perform the + * test. + */ + sleep(1); + + /* + * fcntl should immediately return -1 with errno set to + * EDEADLK. If the alarm fires, we failed to detect the + * deadlock. + */ + alarm(1); + printf("5 - F_SETLKW simple deadlock: "); + + fl.l_start = 1; + res = fcntl(fd, F_SETLKW, &fl); + kill(pid, SIGTERM); + safe_waitpid(pid); + + FAIL(res == 0); + FAIL(errno != EDEADLK); + + fl.l_start = 0; + fl.l_len = 0; + fl.l_type = F_UNLCK; + if (fcntl(fd, F_SETLK, &fl) < 0) + err(1, "F_UNLCK"); + + /* + * Cancel the alarm to avoid confusing later tests. + */ + alarm(0); + + SUCCEED; +} + +/* + * Test 6 - F_SETLKW complex deadlock. + * + * This test involves three process, P, C1 and C2. We set things up so + * that P locks byte zero, C1 locks byte 1 and C2 locks byte 2. We + * also block C2 by attempting to lock byte zero. Lastly, P attempts + * to lock a range including byte 1 and 2. This represents a deadlock + * (due to C2's blocking attempt to lock byte zero). + */ +static int +test6(int fd, __unused int argc, const __unused char **argv) +{ + /* + * Because our test relies on the child process being blocked + * on the parent's lock, we can't easily use a pipe to + * synchronize so we just sleep in the parent to given the + * children a chance to setup. + */ + int pid1, pid2; + struct flock fl; + int res; + + /* + * Lock the first byte in the parent. + */ + fl.l_start = 0; + fl.l_len = 1; + fl.l_type = F_WRLCK; + fl.l_whence = SEEK_SET; + if (fcntl(fd, F_SETLK, &fl) < 0) + err(1, "F_SETLK 1 (parent)"); + + pid1 = fork(); + if (pid1 < 0) + err(1, "fork"); + + if (pid1 == 0) { + /* + * C1 + * Lock the second byte in the child and then sleep + */ + fl.l_start = 1; + if (fcntl(fd, F_SETLK, &fl) < 0) + err(1, "F_SETLK (child1)"); + pause(); + exit(0); + } + + pid2 = fork(); + if (pid2 < 0) + err(1, "fork"); + + if (pid2 == 0) { + /* + * C2 + * Lock the third byte in the child and then block on + * the parent's lock. + */ + fl.l_start = 2; + if (fcntl(fd, F_SETLK, &fl) < 0) + err(1, "F_SETLK (child2)"); + fl.l_start = 0; + if (fcntl(fd, F_SETLKW, &fl) < 0) + err(1, "F_SETLKW (child2)"); + exit(0); + } + + /* + * Wait until the children have set their locks and then + * perform the test. + */ + sleep(1); + + /* + * fcntl should immediately return -1 with errno set to + * EDEADLK. If the alarm fires, we failed to detect the + * deadlock. + */ + alarm(1); + printf("6 - F_SETLKW complex deadlock: "); + + fl.l_start = 1; + fl.l_len = 2; + res = fcntl(fd, F_SETLKW, &fl); + kill(pid1, SIGTERM); + safe_waitpid(pid1); + kill(pid2, SIGTERM); + safe_waitpid(pid2); + + fl.l_start = 0; + fl.l_len = 0; + fl.l_type = F_UNLCK; + if (fcntl(fd, F_SETLK, &fl) < 0) + err(1, "F_UNLCK"); + + FAIL(res == 0); + FAIL(errno != EDEADLK); + + /* + * Cancel the alarm to avoid confusing later tests. + */ + alarm(0); + + SUCCEED; +} + +/* + * Test 7 - F_SETLK shared lock on exclusive locked region + * + * If a shared or exclusive lock cannot be set, fcntl returns + * immediately with EACCES or EAGAIN. + */ +static int +test7(int fd, __unused int argc, const __unused char **argv) +{ + /* + * We create a child process to hold the lock which we will + * test. We use a pipe to communicate with the child. + */ + int pid; + int pfd[2]; + struct flock fl; + char ch; + int res; + + if (pipe(pfd) < 0) + err(1, "pipe"); + + fl.l_start = 0; + fl.l_len = 0; + fl.l_type = F_WRLCK; + fl.l_whence = SEEK_SET; + + pid = fork(); + if (pid < 0) + err(1, "fork"); + + if (pid == 0) { + /* + * We are the child. We set a write lock and then + * write one byte back to the parent to tell it. The + * parent will kill us when its done. + */ + if (fcntl(fd, F_SETLK, &fl) < 0) + err(1, "F_SETLK (child)"); + if (write(pfd[1], "a", 1) < 0) + err(1, "writing to pipe (child)"); + pause(); + exit(0); + } + + /* + * Wait until the child has set its lock and then perform the + * test. + */ + if (read(pfd[0], &ch, 1) != 1) + err(1, "reading from pipe (child)"); + + /* + * fcntl should wait until the alarm and then return -1 with + * errno set to EINTR. + */ + printf("7 - F_SETLK shared lock on exclusive locked region: "); + + fl.l_type = F_RDLCK; + res = fcntl(fd, F_SETLK, &fl); + kill(pid, SIGTERM); + safe_waitpid(pid); + close(pfd[0]); + close(pfd[1]); + + FAIL(res == 0); + FAIL(errno != EACCES && errno != EAGAIN); + + SUCCEED; +} + +/* + * Test 8 - F_SETLK shared lock on share locked region + * + * When a shared lock is set on a segment of a file, other processes + * shall be able to set shared locks on that segment or a portion of + * it. + */ +static int +test8(int fd, __unused int argc, const __unused char **argv) +{ + /* + * We create a child process to hold the lock which we will + * test. We use a pipe to communicate with the child. + */ + int pid; + int pfd[2]; + struct flock fl; + char ch; + int res; + + if (pipe(pfd) < 0) + err(1, "pipe"); + + fl.l_start = 0; + fl.l_len = 0; + fl.l_type = F_RDLCK; + fl.l_whence = SEEK_SET; + + pid = fork(); + if (pid < 0) + err(1, "fork"); + + if (pid == 0) { + /* + * We are the child. We set a write lock and then + * write one byte back to the parent to tell it. The + * parent will kill us when its done. + */ + if (fcntl(fd, F_SETLK, &fl) < 0) + err(1, "F_SETLK (child)"); + if (write(pfd[1], "a", 1) < 0) + err(1, "writing to pipe (child)"); + pause(); + exit(0); + } + + /* + * Wait until the child has set its lock and then perform the + * test. + */ + if (read(pfd[0], &ch, 1) != 1) + err(1, "reading from pipe (child)"); + + /* + * fcntl should wait until the alarm and then return -1 with + * errno set to EINTR. + */ + printf("8 - F_SETLK shared lock on share locked region: "); + + fl.l_type = F_RDLCK; + res = fcntl(fd, F_SETLK, &fl); + + kill(pid, SIGTERM); + safe_waitpid(pid); + close(pfd[0]); + close(pfd[1]); + + fl.l_start = 0; + fl.l_len = 0; + fl.l_type = F_UNLCK; + if (fcntl(fd, F_SETLK, &fl) < 0) + err(1, "F_UNLCK"); + + FAIL(res != 0); + + SUCCEED; +} + +/* + * Test 9 - F_SETLK exclusive lock on share locked region + * + * If a shared or exclusive lock cannot be set, fcntl returns + * immediately with EACCES or EAGAIN. + */ +static int +test9(int fd, __unused int argc, const __unused char **argv) +{ + /* + * We create a child process to hold the lock which we will + * test. We use a pipe to communicate with the child. + */ + int pid; + int pfd[2]; + struct flock fl; + char ch; + int res; + + if (pipe(pfd) < 0) + err(1, "pipe"); + + fl.l_start = 0; + fl.l_len = 0; + fl.l_type = F_RDLCK; + fl.l_whence = SEEK_SET; + + pid = fork(); + if (pid < 0) + err(1, "fork"); + + if (pid == 0) { + /* + * We are the child. We set a write lock and then + * write one byte back to the parent to tell it. The + * parent will kill us when its done. + */ + if (fcntl(fd, F_SETLK, &fl) < 0) + err(1, "F_SETLK (child)"); + if (write(pfd[1], "a", 1) < 0) + err(1, "writing to pipe (child)"); + pause(); + exit(0); + } + + /* + * Wait until the child has set its lock and then perform the + * test. + */ + if (read(pfd[0], &ch, 1) != 1) + err(1, "reading from pipe (child)"); + + /* + * fcntl should wait until the alarm and then return -1 with + * errno set to EINTR. + */ + printf("9 - F_SETLK exclusive lock on share locked region: "); + + fl.l_type = F_WRLCK; + res = fcntl(fd, F_SETLK, &fl); + kill(pid, SIGTERM); + safe_waitpid(pid); + close(pfd[0]); + close(pfd[1]); + + FAIL(res == 0); + FAIL(errno != EACCES && errno != EAGAIN); + + SUCCEED; +} + +/* + * Test 10 - trying to set bogus pid or sysid values + * + * The l_pid and l_sysid fields are only used with F_GETLK to return + * the process ID of the process holding a blocking lock and the + * system ID of the system that owns that process + */ +static int +test10(int fd, __unused int argc, const __unused char **argv) +{ + /* + * We create a child process to hold the lock which we will + * test. We use a pipe to communicate with the child. + */ + int pid; + int pfd[2]; + struct flock fl; + char ch; + + if (pipe(pfd) < 0) + err(1, "pipe"); + + fl.l_start = 0; + fl.l_len = 0; + fl.l_type = F_WRLCK; + fl.l_whence = SEEK_SET; + fl.l_pid = 9999; +#ifdef HAVE_SYSID + fl.l_sysid = 9999; +#endif + + pid = fork(); + if (pid < 0) + err(1, "fork"); + + if (pid == 0) { + /* + * We are the child. We set a write lock and then + * write one byte back to the parent to tell it. The + * parent will kill us when its done. + */ + if (fcntl(fd, F_SETLK, &fl) < 0) + err(1, "F_SETLK (child)"); + if (write(pfd[1], "a", 1) < 0) + err(1, "writing to pipe (child)"); + pause(); + exit(0); + } + + /* + * Wait until the child has set its lock and then perform the + * test. + */ + if (read(pfd[0], &ch, 1) != 1) + err(1, "reading from pipe (child)"); + + printf("10 - trying to set bogus pid or sysid values: "); + + if (fcntl(fd, F_GETLK, &fl) < 0) + err(1, "F_GETLK"); + + kill(pid, SIGTERM); + safe_waitpid(pid); + close(pfd[0]); + close(pfd[1]); + + FAIL(fl.l_pid != pid); +#ifdef HAVE_SYSID + FAIL(fl.l_sysid != 0); +#endif + + SUCCEED; +} + +/* + * Test 11 - remote locks + * + * XXX temporary interface which will be removed when the kernel lockd + * is added. + */ +static int +test11(int fd, __unused int argc, const __unused char **argv) +{ +#ifdef F_SETLK_REMOTE + struct flock fl; + int res; + + if (geteuid() != 0) + return 0; + + fl.l_start = 0; + fl.l_len = 0; + fl.l_type = F_WRLCK; + fl.l_whence = SEEK_SET; + fl.l_pid = 9999; + fl.l_sysid = 1001; + + printf("11 - remote locks: "); + + res = fcntl(fd, F_SETLK_REMOTE, &fl); + FAIL(res != 0); + + fl.l_sysid = 1002; + res = fcntl(fd, F_SETLK_REMOTE, &fl); + FAIL(res == 0); + FAIL(errno != EACCES && errno != EAGAIN); + + res = fcntl(fd, F_GETLK, &fl); + FAIL(res != 0); + FAIL(fl.l_pid != 9999); + FAIL(fl.l_sysid != 1001); + + fl.l_type = F_UNLCK; + fl.l_sysid = 1001; + fl.l_start = 0; + fl.l_len = 0; + res = fcntl(fd, F_SETLK_REMOTE, &fl); + FAIL(res != 0); + + fl.l_pid = 1234; + fl.l_sysid = 1001; + fl.l_start = 0; + fl.l_len = 1; + fl.l_whence = SEEK_SET; + fl.l_type = F_RDLCK; + res = fcntl(fd, F_SETLK_REMOTE, &fl); + FAIL(res != 0); + + fl.l_sysid = 1002; + res = fcntl(fd, F_SETLK_REMOTE, &fl); + FAIL(res != 0); + + fl.l_type = F_UNLCKSYS; + fl.l_sysid = 1001; + res = fcntl(fd, F_SETLK_REMOTE, &fl); + FAIL(res != 0); + + fl.l_type = F_WRLCK; + res = fcntl(fd, F_GETLK, &fl); + FAIL(res != 0); + FAIL(fl.l_pid != 1234); + FAIL(fl.l_sysid != 1002); + + fl.l_type = F_UNLCKSYS; + fl.l_sysid = 1002; + res = fcntl(fd, F_SETLK_REMOTE, &fl); + FAIL(res != 0); + + SUCCEED; +#else + return 0; +#endif +} + +/* + * Test 12 - F_SETLKW on locked region which is then unlocked + * + * If a shared or exclusive lock is blocked by other locks, the + * process waits until the request can be satisfied. + */ +static int +test12(int fd, __unused int argc, const __unused char **argv) +{ + /* + * We create a child process to hold the lock which we will + * test. We use a pipe to communicate with the child. + */ + int pid; + int pfd[2]; + struct flock fl; + char ch; + int res; + + if (pipe(pfd) < 0) + err(1, "pipe"); + + fl.l_start = 0; + fl.l_len = 0; + fl.l_type = F_WRLCK; + fl.l_whence = SEEK_SET; + + pid = fork(); + if (pid < 0) + err(1, "fork"); + + if (pid == 0) { + /* + * We are the child. We set a write lock and then + * write one byte back to the parent to tell it. The + * parent will kill us when its done. + */ + if (fcntl(fd, F_SETLK, &fl) < 0) + err(1, "F_SETLK (child)"); + if (write(pfd[1], "a", 1) < 0) + err(1, "writing to pipe (child)"); + + sleep(1); + exit(0); + } + + /* + * Wait until the child has set its lock and then perform the + * test. + */ + if (read(pfd[0], &ch, 1) != 1) + err(1, "reading from pipe (child)"); + + /* + * fcntl should wait until the alarm and then return -1 with + * errno set to EINTR. + */ + printf("12 - F_SETLKW on locked region which is then unlocked: "); + + //alarm(1); + + res = fcntl(fd, F_SETLKW, &fl); + kill(pid, SIGTERM); + safe_waitpid(pid); + close(pfd[0]); + close(pfd[1]); + FAIL(res != 0); + + fl.l_start = 0; + fl.l_len = 0; + fl.l_type = F_UNLCK; + if (fcntl(fd, F_SETLK, &fl) < 0) + err(1, "F_UNLCK"); + + SUCCEED; +} + +/* + * Test 13 - F_SETLKW on locked region, race with owner + * + * If a shared or exclusive lock is blocked by other locks, the + * process waits until the request can be satisfied. + */ +static int +test13(int fd, __unused int argc, const __unused char **argv) +{ + /* + * We create a child process to hold the lock which we will + * test. We use a pipe to communicate with the child. + */ + int i; + int pid; + int pfd[2]; + struct flock fl; + char ch; + int res; + struct itimerval itv; + + printf("13 - F_SETLKW on locked region, race with owner: "); + fflush(stdout); + + for (i = 0; i < 100; i++) { + if (pipe(pfd) < 0) + err(1, "pipe"); + + fl.l_start = 0; + fl.l_len = 0; + fl.l_type = F_WRLCK; + fl.l_whence = SEEK_SET; + + pid = fork(); + if (pid < 0) + err(1, "fork"); + + if (pid == 0) { + /* + * We are the child. We set a write lock and then + * write one byte back to the parent to tell it. The + * parent will kill us when its done. + */ + if (fcntl(fd, F_SETLK, &fl) < 0) + err(1, "F_SETLK (child)"); + if (write(pfd[1], "a", 1) < 0) + err(1, "writing to pipe (child)"); + + usleep(1); + exit(0); + } + + /* + * Wait until the child has set its lock and then perform the + * test. + */ + while (read(pfd[0], &ch, 1) != 1) { + if (errno == EINTR) + continue; + err(1, "reading from pipe (child)"); + } + + /* + * fcntl should wait until the alarm and then return -1 with + * errno set to EINTR. + */ + itv.it_interval.tv_sec = 0; + itv.it_interval.tv_usec = 0; + itv.it_value.tv_sec = 0; + itv.it_value.tv_usec = 2; + setitimer(ITIMER_REAL, &itv, NULL); + + res = fcntl(fd, F_SETLKW, &fl); + kill(pid, SIGTERM); + safe_waitpid(pid); + close(pfd[0]); + close(pfd[1]); + FAIL(!(res == 0 || (res == -1 && errno == EINTR))); + + fl.l_start = 0; + fl.l_len = 0; + fl.l_type = F_UNLCK; + if (fcntl(fd, F_SETLK, &fl) < 0) + err(1, "F_UNLCK"); + } + SUCCEED; +} + +/* + * Test 14 - soak test + */ +static int +test14(int fd, int argc, const char **argv) +{ +#define CHILD_COUNT 20 + /* + * We create a set of child processes and let each one run + * through a random sequence of locks and unlocks. + */ + int i, j, id, id_base; + int pids[CHILD_COUNT], pid; + char buf[128]; + char tbuf[128]; + int map[128]; + char outbuf[512]; + struct flock fl; + struct itimerval itv; + int status; + + id_base = 0; + if (argc >= 2) + id_base = strtol(argv[1], NULL, 0); + + printf("14 - soak test: "); + fflush(stdout); + + for (i = 0; i < 128; i++) + map[i] = F_UNLCK; + + for (i = 0; i < CHILD_COUNT; i++) { + + pid = fork(); + if (pid < 0) + err(1, "fork"); + if (pid) { + /* + * Parent - record the pid and continue. + */ + pids[i] = pid; + continue; + } + + /* + * Child - do some work and exit. + */ + id = id_base + i; + srandom(getpid()); + + for (j = 0; j < 50; j++) { + int start, end, len; + int set, wrlock; + + do { + start = random() & 127; + end = random() & 127; + } while (end <= start); + + set = random() & 1; + wrlock = random() & 1; + + len = end - start; + fl.l_start = start; + fl.l_len = len; + fl.l_whence = SEEK_SET; + if (set) + fl.l_type = wrlock ? F_WRLCK : F_RDLCK; + else + fl.l_type = F_UNLCK; + + itv.it_interval.tv_sec = 0; + itv.it_interval.tv_usec = 0; + itv.it_value.tv_sec = 0; + itv.it_value.tv_usec = 3000; + setitimer(ITIMER_REAL, &itv, NULL); + + if (fcntl(fd, F_SETLKW, &fl) < 0) { + if (errno == EDEADLK || errno == EINTR) { + if (verbose) { + snprintf(outbuf, sizeof(outbuf), + "%d[%d]: %s [%d .. %d] %s\n", + id, j, + set ? (wrlock ? "write lock" + : "read lock") + : "unlock", start, end, + errno == EDEADLK + ? "deadlock" + : "interrupted"); + write(1, outbuf, + strlen(outbuf)); + } + continue; + } else { + perror("fcntl"); + } + } + + itv.it_interval.tv_sec = 0; + itv.it_interval.tv_usec = 0; + itv.it_value.tv_sec = 0; + itv.it_value.tv_usec = 0; + setitimer(ITIMER_REAL, &itv, NULL); + + if (verbose) { + snprintf(outbuf, sizeof(outbuf), + "%d[%d]: %s [%d .. %d] succeeded\n", + id, j, + set ? (wrlock ? "write lock" : "read lock") + : "unlock", start, end); + write(1, outbuf, strlen(outbuf)); + } + + if (set) { + if (wrlock) { + /* + * We got a write lock - write + * our ID to each byte that we + * managed to claim. + */ + for (i = start; i < end; i++) + map[i] = F_WRLCK; + memset(&buf[start], id, len); + if (pwrite(fd, &buf[start], len, + start) != len) { + printf("%d: short write\n", id); + exit(1); + } + } else { + /* + * We got a read lock - read + * the bytes which we claimed + * so that we can check that + * they don't change + * unexpectedly. + */ + for (i = start; i < end; i++) + map[i] = F_RDLCK; + if (pread(fd, &buf[start], len, + start) != len) { + printf("%d: short read\n", id); + exit(1); + } + } + } else { + for (i = start; i < end; i++) + map[i] = F_UNLCK; + } + + usleep(1000); + + /* + * Read back the whole region so that we can + * check that all the bytes we have some kind + * of claim to have the correct value. + */ + if (pread(fd, tbuf, sizeof(tbuf), 0) != sizeof(tbuf)) { + printf("%d: short read\n", id); + exit(1); + } + + for (i = 0; i < 128; i++) { + if (map[i] != F_UNLCK && buf[i] != tbuf[i]) { + snprintf(outbuf, sizeof(outbuf), + "%d: byte %d expected %d, " + "got %d\n", id, i, buf[i], tbuf[i]); + write(1, outbuf, strlen(outbuf)); + exit(1); + } + } + } + if (verbose) + printf("%d[%d]: done\n", id, j); + + exit(0); + } + + status = 0; + for (i = 0; i < CHILD_COUNT; i++) { + status += safe_waitpid(pids[i]); + } + if (status) + FAIL(status != 0); + + SUCCEED; +} + +/* + * Test 15 - flock(2) semantcs + * + * When a lock holder has a shared lock and attempts to upgrade that + * shared lock to exclusive, it must drop the shared lock before + * blocking on the exclusive lock. + * + * To test this, we first arrange for two shared locks on the file, + * and then attempt to upgrade one of them to exclusive. This should + * drop one of the shared locks and block. We interrupt the blocking + * lock request and examine the lock state of the file after dropping + * the other shared lock - there should be no active locks at this + * point. + */ +static int +test15(int fd, __unused int argc, const __unused char **argv) +{ +#ifdef LOCK_EX + /* + * We create a child process to hold the lock which we will + * test. We use a pipe to communicate with the child. + * + * Since we only have one file descriptors and lock ownership + * for flock(2) goes with the file descriptor, we use fcntl to + * set the child's shared lock. + */ + int pid; + int pfd[2]; + struct flock fl; + char ch; + int res; + + if (pipe(pfd) < 0) + err(1, "pipe"); + + pid = fork(); + if (pid < 0) + err(1, "fork"); + + if (pid == 0) { + /* + * We are the child. We set a shared lock and then + * write one byte back to the parent to tell it. The + * parent will kill us when its done. + */ + fl.l_start = 0; + fl.l_len = 0; + fl.l_type = F_RDLCK; + fl.l_whence = SEEK_SET; + if (fcntl(fd, F_SETLK, &fl) < 0) + err(1, "fcntl(F_SETLK) (child)"); + if (write(pfd[1], "a", 1) < 0) + err(1, "writing to pipe (child)"); + pause(); + exit(0); + } + + /* + * Wait until the child has set its lock and then perform the + * test. + */ + if (read(pfd[0], &ch, 1) != 1) + err(1, "reading from pipe (child)"); + + (void)dup(fd); + if (flock(fd, LOCK_SH) < 0) + err(1, "flock shared"); + + /* + * flock should wait until the alarm and then return -1 with + * errno set to EINTR. + */ + printf("15 - flock(2) semantics: "); + + alarm(1); + flock(fd, LOCK_EX); + + /* + * Kill the child to force it to drop its locks. + */ + kill(pid, SIGTERM); + safe_waitpid(pid); + + fl.l_start = 0; + fl.l_len = 0; + fl.l_type = F_WRLCK; + fl.l_whence = SEEK_SET; + res = fcntl(fd, F_GETLK, &fl); + + close(pfd[0]); + close(pfd[1]); + FAIL(res != 0); + FAIL(fl.l_type != F_UNLCK); + + SUCCEED; +#else + return 0; +#endif +} + +struct test_ctx { + struct flock tc_fl; + int tc_fd; +}; + +static void * +test16_func(void *tc_in) +{ + uintptr_t error; + struct test_ctx *tc = tc_in; + + error = fcntl(tc->tc_fd, F_SETLKW, &tc->tc_fl); + + pthread_exit((void *)error); +} + +#define THREADS 10 + +/* + * Test 16 - F_SETLKW from two threads + * + * If two threads within a process are blocked on a lock and the lock + * is granted, make sure things are sane. + */ +static int +test16(int fd, __unused int argc, const __unused char **argv) +{ + /* + * We create a child process to hold the lock which we will + * test. We use a pipe to communicate with the child. + */ + int pid; + int pfd[2]; + struct test_ctx tc = { .tc_fd = fd }; + char ch; + int i; + int error; + pthread_t thr[THREADS]; + + if (pipe(pfd) < 0) + err(1, "pipe"); + + tc.tc_fl.l_start = 0; + tc.tc_fl.l_len = 0; + tc.tc_fl.l_type = F_WRLCK; + tc.tc_fl.l_whence = SEEK_SET; + + pid = fork(); + if (pid < 0) + err(1, "fork"); + + if (pid == 0) { + /* + * We are the child. We set a write lock and then + * write one byte back to the parent to tell it. The + * parent will kill us when its done. + */ + if (fcntl(fd, F_SETLK, &tc.tc_fl) < 0) + err(1, "F_SETLK (child)"); + if (write(pfd[1], "a", 1) < 0) + err(1, "writing to pipe (child)"); + pause(); + exit(0); + } + + /* + * Wait until the child has set its lock and then perform the + * test. + */ + if (read(pfd[0], &ch, 1) != 1) + err(1, "reading from pipe (child)"); + + /* + * fcntl should wait until the alarm and then return -1 with + * errno set to EINTR. + */ + printf("16 - F_SETLKW on locked region by two threads: "); + + for (i = 0; i < THREADS; i++) { + error = pthread_create(&thr[i], NULL, test16_func, &tc); + if (error) + err(1, "pthread_create"); + } + + /* + * Sleep, then kill the child. This makes me a little sad, but it's + * tricky to tell whether the threads are all really blocked by this + * point. + */ + sleep(1); + kill(pid, SIGTERM); + safe_waitpid(pid); + close(pfd[0]); + close(pfd[1]); + + for (i = 0; i < THREADS; i++) { + void *res; + error = pthread_join(thr[i], &res); + if (error) + err(1, "pthread_join"); + FAIL((uintptr_t)res != 0); + } + + SUCCEED; +} + +struct test { + int (*testfn)(int, int, const char **); /* function to perform the test */ + int num; /* test number */ + int intr; /* non-zero if the test interrupts a lock */ +}; + +static struct test tests[] = { + { test1, 1, 0 }, + { test2, 2, 0 }, + { test3, 3, 1 }, + { test4, 4, 0 }, + { test5, 5, 1 }, + { test6, 6, 1 }, + { test7, 7, 0 }, + { test8, 8, 0 }, + { test9, 9, 0 }, + { test10, 10, 0 }, + { test11, 11, 1 }, + { test12, 12, 0 }, + { test13, 13, 1 }, + { test14, 14, 0 }, + { test15, 15, 1 }, + { test16, 16, 1 }, +}; + +int +main(int argc, const char *argv[]) +{ + int testnum; + int fd; + int nointr; + unsigned i; + struct sigaction sa; + int test_argc; + const char **test_argv; + + if (argc < 2) { + errx(1, "usage: flock <directory> [test number] ..."); + } + + fd = make_file(argv[1], 1024); + if (argc >= 3) { + testnum = strtol(argv[2], NULL, 0); + test_argc = argc - 2; + test_argv = argv + 2; + } else { + testnum = 0; + test_argc = 0; + test_argv = 0; + } + + sa.sa_handler = ignore_alarm; + sigemptyset(&sa.sa_mask); + sa.sa_flags = 0; + sigaction(SIGALRM, &sa, 0); + + nointr = 0; +#if defined(__FreeBSD__) && __FreeBSD_version < 800040 + { + /* + * FreeBSD with userland NLM can't interrupt a blocked + * lock request on an NFS mounted filesystem. + */ + struct statfs st; + fstatfs(fd, &st); + nointr = !strcmp(st.f_fstypename, "nfs"); + } +#endif + + for (i = 0; i < nitems(tests); i++) { + if (tests[i].intr && nointr) + continue; + if (!testnum || tests[i].num == testnum) + tests[i].testfn(fd, test_argc, test_argv); + } + + return 0; +} diff --git a/tools/regression/file/ftruncate/Makefile b/tools/regression/file/ftruncate/Makefile new file mode 100644 index 0000000..40b753e --- /dev/null +++ b/tools/regression/file/ftruncate/Makefile @@ -0,0 +1,7 @@ +# $FreeBSD$ + +PROG= ftruncate +MAN= +WARNS?= 2 + +.include <bsd.prog.mk> diff --git a/tools/regression/file/ftruncate/ftruncate.c b/tools/regression/file/ftruncate/ftruncate.c new file mode 100644 index 0000000..aebcdcd --- /dev/null +++ b/tools/regression/file/ftruncate/ftruncate.c @@ -0,0 +1,177 @@ +/*- + * Copyright (c) 2006 Robert N. M. Watson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +/* + * Very simple regression test. + * + * Future tests that might be of interest: + * + * - Make sure we get EISDIR on a directory. + */ + +#include <sys/types.h> +#include <sys/event.h> +#include <sys/socket.h> +#include <sys/stat.h> + +#include <err.h> +#include <errno.h> +#include <fcntl.h> +#include <inttypes.h> +#include <limits.h> +#include <stdio.h> +#include <unistd.h> + +/* + * Select various potentially interesting lengths at and around power of 2 + * edges. + */ +static off_t lengths[] = {0, 1, 2, 3, 4, 127, 128, 129, 511, 512, 513, 1023, + 1024, 1025, 2047, 2048, 2049, 4095, 4096, 4097, 8191, 8192, 8193, 16383, + 16384, 16385}; +static int lengths_count = sizeof(lengths) / sizeof(off_t); + +int +main(int argc, char *argv[]) +{ + int error, fd, fds[2], i, read_only_fd; + char path[PATH_MAX]; + struct stat sb; + size_t size; + off_t len; + char ch; + + /* + * Tests using a writable temporary file: grow and then shrink a file + * using ftruncate and various lengths. Make sure that a negative + * file length is rejected. Make sure that when we grow the file, + * bytes now in the range of the file size return 0. + * + * Save a read-only reference to the file to use later for read-only + * descriptor tests. + */ + snprintf(path, PATH_MAX, "/tmp/ftruncate.XXXXXXXXXXXXX"); + fd = mkstemp(path); + if (fd < 0) + err(-1, "makestemp"); + read_only_fd = open(path, O_RDONLY); + if (read_only_fd < 0) { + error = errno; + (void)unlink(path); + errno = error; + err(-1, "open(%s, O_RDONLY)", path); + } + (void)unlink(path); + + if (ftruncate(fd, -1) == 0) + errx(-1, "ftruncate(fd, -1) succeeded"); + if (errno != EINVAL) + err(-1, "ftruncate(fd, -1) returned wrong error"); + + for (i = 0; i < lengths_count; i++) { + len = lengths[i]; + if (ftruncate(fd, len) < 0) + err(-1, "ftruncate(%llu) up", len); + if (fstat(fd, &sb) < 0) + err(-1, "stat"); + if (sb.st_size != len) + errx(-1, "fstat(%llu) returned len %llu up", len, + sb.st_size); + if (len != 0) { + size = pread(fd, &ch, sizeof(ch), len - 1); + if (size < 0) + err(-1, "pread on len %llu up", len); + if (size != sizeof(ch)) + errx(-1, "pread len %llu size %jd up", + len, (intmax_t)size); + if (ch != 0) + errx(-1, + "pread length %llu size %jd ch %d up", + len, (intmax_t)size, ch); + } + } + + for (i = lengths_count - 1; i >= 0; i--) { + len = lengths[i]; + if (ftruncate(fd, len) < 0) + err(-1, "ftruncate(%llu) down", len); + if (fstat(fd, &sb) < 0) + err(-1, "stat"); + if (sb.st_size != len) + errx(-1, "fstat(%llu) returned %llu down", len, + sb.st_size); + } + close(fd); + + /* + * Make sure that a read-only descriptor can't be truncated. + */ + if (ftruncate(read_only_fd, 0) == 0) + errx(-1, "ftruncate(read_only_fd) succeeded"); + if (errno != EINVAL) + err(-1, "ftruncate(read_only_fd) returned wrong error"); + close(read_only_fd); + + /* + * Make sure that ftruncate on sockets doesn't work. + */ + fd = socket(PF_UNIX, SOCK_STREAM, 0); + if (fd < 0) + err(-1, "socket(PF_UNIX, SOCK_STREAM, 0)"); + if (ftruncate(fd, 0) == 0) + errx(-1, "ftruncate(socket) succeeded"); + if (errno != EINVAL) + err(-1, "ftruncate(socket) returned wrong error"); + close(fd); + + /* + * Make sure that ftruncate on pipes doesn't work. + */ + if (pipe(fds) < 0) + err(-1, "pipe"); + if (ftruncate(fds[0], 0) == 0) + errx(-1, "ftruncate(pipe) succeeded"); + if (errno != EINVAL) + err(-1, "ftruncate(pipe) returned wrong error"); + close(fds[0]); + close(fds[1]); + + /* + * Make sure that ftruncate on kqueues doesn't work. + */ + fd = kqueue(); + if (fd < 0) + err(-1, "kqueue"); + if (ftruncate(fds[0], 0) == 0) + errx(-1, "ftruncate(kqueue) succeeded"); + if (errno != EINVAL) + err(-1, "ftruncate(kqueue) returned wrong error"); + close(fd); + + return (0); +} diff --git a/tools/regression/file/newfileops_on_fork/Makefile b/tools/regression/file/newfileops_on_fork/Makefile new file mode 100644 index 0000000..be0c5fe --- /dev/null +++ b/tools/regression/file/newfileops_on_fork/Makefile @@ -0,0 +1,8 @@ +# $FreeBSD$ + +PROG= newfileops_on_fork +MAN= +WARNS?= 6 +LDFLAGS= -lpthread + +.include <bsd.prog.mk> diff --git a/tools/regression/file/newfileops_on_fork/newfileops_on_fork.c b/tools/regression/file/newfileops_on_fork/newfileops_on_fork.c new file mode 100644 index 0000000..8713a82 --- /dev/null +++ b/tools/regression/file/newfileops_on_fork/newfileops_on_fork.c @@ -0,0 +1,121 @@ +/*- + * Copyright (c) 2009 Robert N. M. Watson + * All rights reserved. + * + * This software was developed at the University of Cambridge Computer + * Laboratory with support from a grant from Google, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +/* + * When a multi-threaded application calls fork(2) from one thread while + * another thread is blocked in accept(2), we prefer that the file descriptor + * to be returned by accept(2) not appear in the child process. Test this by + * creating a thread blocked in accept(2), then forking a child and seeing if + * the fd it would have returned is defined in the child or not. + */ + +#include <sys/socket.h> +#include <sys/wait.h> + +#include <netinet/in.h> + +#include <err.h> +#include <errno.h> +#include <pthread.h> +#include <signal.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#define PORT 9000 + +static int listen_fd; + +static void * +do_accept(__unused void *arg) +{ + int accept_fd; + + accept_fd = accept(listen_fd, NULL, NULL); + if (accept_fd < 0) + err(-1, "accept"); + + return (NULL); +} + +static void +do_fork(void) +{ + int pid; + + pid = fork(); + if (pid < 0) + err(-1, "fork"); + if (pid > 0) { + waitpid(pid, NULL, 0); + exit(0); + } + + /* + * We will call ftruncate(2) on the next available file descriptor, + * listen_fd+1, and get back EBADF if it's not a valid descriptor, + * and EINVAL if it is. This (currently) works fine in practice. + */ + if (ftruncate(listen_fd + 1, 0 < 0)) { + if (errno == EBADF) + exit(0); + else if (errno == EINVAL) + errx(-1, "file descriptor still open in child"); + else + err(-1, "unexpected error"); + } else + errx(-1, "ftruncate succeeded"); +} + +int +main(__unused int argc, __unused char *argv[]) +{ + struct sockaddr_in sin; + pthread_t accept_thread; + + listen_fd = socket(PF_INET, SOCK_STREAM, 0); + if (listen_fd < 0) + err(-1, "socket"); + bzero(&sin, sizeof(sin)); + sin.sin_family = AF_INET; + sin.sin_len = sizeof(sin); + sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK); + sin.sin_port = htons(PORT); + if (bind(listen_fd, (struct sockaddr *)&sin, sizeof(sin)) < 0) + err(-1, "bind"); + if (listen(listen_fd, -1) <0) + err(-1, "listen"); + if (pthread_create(&accept_thread, NULL, do_accept, NULL) != 0) + err(-1, "pthread_create"); + sleep(1); /* Easier than using a CV. */; + do_fork(); + exit(0); +} diff --git a/tools/regression/kqueue/Makefile b/tools/regression/kqueue/Makefile new file mode 100644 index 0000000..12b7527 --- /dev/null +++ b/tools/regression/kqueue/Makefile @@ -0,0 +1,21 @@ +# $FreeBSD$ +# +# svn://mark.heily.com/libkqueue/trunk/test +# Last update: r114 +# +# libkqueue and test suite by Mark Heily <mark@heily.com> +# + +PROG=kqtest +SRCS= \ + main.c \ + read.c \ + timer.c \ + vnode.c \ + proc.c \ + signal.c \ + user.c +MAN= +WARNS?= 2 + +.include "bsd.prog.mk" diff --git a/tools/regression/kqueue/common.h b/tools/regression/kqueue/common.h new file mode 100644 index 0000000..aada778 --- /dev/null +++ b/tools/regression/kqueue/common.h @@ -0,0 +1,78 @@ +/* + * Copyright (c) 2009 Mark Heily <mark@heily.com> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * $FreeBSD$ + */ + +#ifndef _COMMON_H +#define _COMMON_H + + +#if HAVE_ERR_H +# include <err.h> +#else +# define err(rc,msg,...) do { perror(msg); exit(rc); } while (0) +# define errx(rc,msg,...) do { puts(msg); exit(rc); } while (0) +#endif +#include <errno.h> +#include <fcntl.h> +#include <signal.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <stdint.h> +#include <sys/socket.h> +#include <sys/types.h> +#include <unistd.h> + +#include <sys/event.h> + +#include "config.h" + +extern char *cur_test_id; +int vnode_fd; + +extern const char * kevent_to_str(struct kevent *); +struct kevent * kevent_get(int); + + +void kevent_cmp(struct kevent *, struct kevent *); + +void +kevent_add(int kqfd, struct kevent *kev, + uintptr_t ident, + short filter, + u_short flags, + u_int fflags, + intptr_t data, + void *udata); + +/* DEPRECATED: */ +#define KEV_CMP(kev,_ident,_filter,_flags) do { \ + if (kev.ident != (_ident) || \ + kev.filter != (_filter) || \ + kev.flags != (_flags)) \ + err(1, "kevent mismatch: got [%d,%d,%d] but expecting [%d,%d,%d]", \ + (int)_ident, (int)_filter, (int)_flags,\ + (int)kev.ident, kev.filter, kev.flags);\ +} while (0); + +/* Checks if any events are pending, which is an error. */ +extern void test_no_kevents(void); + +extern void test_begin(const char *); +extern void success(void); + +#endif /* _COMMON_H */ diff --git a/tools/regression/kqueue/config.h b/tools/regression/kqueue/config.h new file mode 100644 index 0000000..a204092 --- /dev/null +++ b/tools/regression/kqueue/config.h @@ -0,0 +1,13 @@ +/* $FreeBSD$ */ + +#define HAVE_ERR_H 1 +#define HAVE_SYS_EVENT_H 1 +#define HAVE_EV_DISPATCH 1 +#define HAVE_EV_RECEIPT 1 +#undef HAVE_NOTE_TRUNCATE +#define HAVE_EVFILT_TIMER 1 +#define HAVE_EVFILT_USER 1 +#define PROGRAM "libkqueue-test" +#define VERSION "0.1" +#define TARGET "freebsd" +#define CFLAGS "-g -O0 -Wall -Werror" diff --git a/tools/regression/kqueue/main.c b/tools/regression/kqueue/main.c new file mode 100644 index 0000000..f76c4e2 --- /dev/null +++ b/tools/regression/kqueue/main.c @@ -0,0 +1,284 @@ +/* + * Copyright (c) 2009 Mark Heily <mark@heily.com> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * $FreeBSD$ + */ + +#include <sys/types.h> + +#include "config.h" +#include "common.h" + +int testnum = 1; +char *cur_test_id = NULL; +int kqfd; + +extern void test_evfilt_read(); +extern void test_evfilt_signal(); +extern void test_evfilt_vnode(); +extern void test_evfilt_timer(); +extern void test_evfilt_proc(); +#if HAVE_EVFILT_USER +extern void test_evfilt_user(); +#endif + +/* Checks if any events are pending, which is an error. */ +void +test_no_kevents(void) +{ + int nfds; + struct timespec timeo; + struct kevent kev; + + puts("confirming that there are no events pending"); + memset(&timeo, 0, sizeof(timeo)); + nfds = kevent(kqfd, NULL, 0, &kev, 1, &timeo); + if (nfds != 0) { + puts("\nUnexpected event:"); + puts(kevent_to_str(&kev)); + errx(1, "%d event(s) pending, but none expected:", nfds); + } +} + +/* Retrieve a single kevent */ +struct kevent * +kevent_get(int kqfd) +{ + int nfds; + struct kevent *kev; + + if ((kev = calloc(1, sizeof(*kev))) == NULL) + err(1, "out of memory"); + + nfds = kevent(kqfd, NULL, 0, kev, 1, NULL); + if (nfds < 1) + err(1, "kevent(2)"); + + return (kev); +} + +char * +kevent_fflags_dump(struct kevent *kev) +{ + char *buf; + +#define KEVFFL_DUMP(attrib) \ + if (kev->fflags & attrib) \ + strncat(buf, #attrib" ", 64); + + if ((buf = calloc(1, 1024)) == NULL) + abort(); + + /* Not every filter has meaningful fflags */ + if (kev->filter != EVFILT_VNODE) { + snprintf(buf, 1024, "fflags = %d", kev->fflags); + return (buf); + } + + snprintf(buf, 1024, "fflags = %d (", kev->fflags); + KEVFFL_DUMP(NOTE_DELETE); + KEVFFL_DUMP(NOTE_WRITE); + KEVFFL_DUMP(NOTE_EXTEND); +#if HAVE_NOTE_TRUNCATE + KEVFFL_DUMP(NOTE_TRUNCATE); +#endif + KEVFFL_DUMP(NOTE_ATTRIB); + KEVFFL_DUMP(NOTE_LINK); + KEVFFL_DUMP(NOTE_RENAME); +#if HAVE_NOTE_REVOKE + KEVFFL_DUMP(NOTE_REVOKE); +#endif + buf[strlen(buf) - 1] = ')'; + + return (buf); +} + +char * +kevent_flags_dump(struct kevent *kev) +{ + char *buf; + +#define KEVFL_DUMP(attrib) \ + if (kev->flags & attrib) \ + strncat(buf, #attrib" ", 64); + + if ((buf = calloc(1, 1024)) == NULL) + abort(); + + snprintf(buf, 1024, "flags = %d (", kev->flags); + KEVFL_DUMP(EV_ADD); + KEVFL_DUMP(EV_ENABLE); + KEVFL_DUMP(EV_DISABLE); + KEVFL_DUMP(EV_DELETE); + KEVFL_DUMP(EV_ONESHOT); + KEVFL_DUMP(EV_CLEAR); + KEVFL_DUMP(EV_EOF); + KEVFL_DUMP(EV_ERROR); +#if HAVE_EV_DISPATCH + KEVFL_DUMP(EV_DISPATCH); +#endif +#if HAVE_EV_RECEIPT + KEVFL_DUMP(EV_RECEIPT); +#endif + buf[strlen(buf) - 1] = ')'; + + return (buf); +} + +/* Copied from ../kevent.c kevent_dump() and improved */ +const char * +kevent_to_str(struct kevent *kev) +{ + char buf[512]; + + snprintf(&buf[0], sizeof(buf), + "[ident=%d, filter=%d, %s, %s, data=%d, udata=%p]", + (u_int) kev->ident, + kev->filter, + kevent_flags_dump(kev), + kevent_fflags_dump(kev), + (int) kev->data, + kev->udata); + + return (strdup(buf)); +} + +void +kevent_add(int kqfd, struct kevent *kev, + uintptr_t ident, + short filter, + u_short flags, + u_int fflags, + intptr_t data, + void *udata) +{ + EV_SET(kev, ident, filter, flags, fflags, data, NULL); + if (kevent(kqfd, kev, 1, NULL, 0, NULL) < 0) { + printf("Unable to add the following kevent:\n%s\n", + kevent_to_str(kev)); + err(1, "kevent(): %s", strerror(errno)); + } +} + +void +kevent_cmp(struct kevent *k1, struct kevent *k2) +{ +/* XXX- + Workaround for inconsistent implementation of kevent(2) + */ +#ifdef __FreeBSD__ + if (k1->flags & EV_ADD) + k2->flags |= EV_ADD; +#endif + if (memcmp(k1, k2, sizeof(*k1)) != 0) { + printf("kevent_cmp: mismatch:\n %s !=\n %s\n", + kevent_to_str(k1), kevent_to_str(k2)); + abort(); + } +} + +void +test_begin(const char *func) +{ + if (cur_test_id) + free(cur_test_id); + cur_test_id = strdup(func); + if (!cur_test_id) + err(1, "strdup failed"); + + printf("\n\nTest %d: %s\n", testnum++, func); +} + +void +success(void) +{ + printf("%-70s %s\n", cur_test_id, "passed"); + free(cur_test_id); + cur_test_id = NULL; +} + +void +test_kqueue(void) +{ + test_begin("kqueue()"); + if ((kqfd = kqueue()) < 0) + err(1, "kqueue()"); + test_no_kevents(); + success(); +} + +void +test_kqueue_close(void) +{ + test_begin("close(kq)"); + if (close(kqfd) < 0) + err(1, "close()"); + success(); +} + +int +main(int argc, char **argv) +{ + int test_proc = 1; + int test_socket = 1; + int test_signal = 1; + int test_vnode = 1; + int test_timer = 1; +#ifdef __FreeBSD__ + int test_user = 1; +#else + /* XXX-FIXME temporary */ + int test_user = 0; +#endif + + while (argc) { + if (strcmp(argv[0], "--no-proc") == 0) + test_proc = 0; + if (strcmp(argv[0], "--no-socket") == 0) + test_socket = 0; + if (strcmp(argv[0], "--no-timer") == 0) + test_timer = 0; + if (strcmp(argv[0], "--no-signal") == 0) + test_signal = 0; + if (strcmp(argv[0], "--no-vnode") == 0) + test_vnode = 0; + if (strcmp(argv[0], "--no-user") == 0) + test_user = 0; + argv++; + argc--; + } + + test_kqueue(); + test_kqueue_close(); + + if (test_socket) + test_evfilt_read(); + if (test_signal) + test_evfilt_signal(); + if (test_vnode) + test_evfilt_vnode(); +#if HAVE_EVFILT_USER + if (test_user) + test_evfilt_user(); +#endif + if (test_timer) + test_evfilt_timer(); + if (test_proc) + test_evfilt_proc(); + + printf("\n---\n" + "+OK All %d tests completed.\n", testnum - 1); + return (0); +} diff --git a/tools/regression/kqueue/proc.c b/tools/regression/kqueue/proc.c new file mode 100644 index 0000000..6288ee6 --- /dev/null +++ b/tools/regression/kqueue/proc.c @@ -0,0 +1,255 @@ +/* + * Copyright (c) 2009 Mark Heily <mark@heily.com> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * $FreeBSD$ + */ + +#include <sys/stat.h> + +#include <err.h> + +#include "config.h" +#include "common.h" + +static int sigusr1_caught = 0; + +int kqfd; + +static void +sig_handler(int signum) +{ + sigusr1_caught = 1; +} + +static void +add_and_delete(void) +{ + struct kevent kev; + pid_t pid; + + /* Create a child that waits to be killed and then exits */ + pid = fork(); + if (pid == 0) { + struct stat s; + if (fstat(kqfd, &s) != -1) + errx(1, "kqueue inherited across fork! (%s() at %s:%d)", + __func__, __FILE__, __LINE__); + + pause(); + exit(2); + } + printf(" -- child created (pid %d)\n", (int) pid); + + test_begin("kevent(EVFILT_PROC, EV_ADD)"); + + test_no_kevents(); + kevent_add(kqfd, &kev, pid, EVFILT_PROC, EV_ADD, 0, 0, NULL); + test_no_kevents(); + + success(); + + test_begin("kevent(EVFILT_PROC, EV_DELETE)"); + + sleep(1); + test_no_kevents(); + kevent_add(kqfd, &kev, pid, EVFILT_PROC, EV_DELETE, 0, 0, NULL); + if (kill(pid, SIGKILL) < 0) + err(1, "kill"); + sleep(1); + test_no_kevents(); + + success(); + +} + +#ifdef TODO +static void +event_trigger(void) +{ + struct kevent kev; + pid_t pid; + + test_begin("kevent(EVFILT_PROC, wait)"); + + /* Create a child that waits to be killed and then exits */ + pid = fork(); + if (pid == 0) { + pause(); + printf(" -- child caught signal, exiting\n"); + exit(2); + } + printf(" -- child created (pid %d)\n", (int) pid); + + test_no_kevents(); + kevent_add(kqfd, &kev, pid, EVFILT_PROC, EV_ADD, 0, 0, NULL); + + /* Cause the child to exit, then retrieve the event */ + printf(" -- killing process %d\n", (int) pid); + if (kill(pid, SIGUSR1) < 0) + err(1, "kill"); + kevent_cmp(&kev, kevent_get(kqfd)); + test_no_kevents(); + + success(); +} + +void +test_kevent_signal_disable(void) +{ + const char *test_id = "kevent(EVFILT_SIGNAL, EV_DISABLE)"; + struct kevent kev; + + test_begin(test_id); + + EV_SET(&kev, SIGUSR1, EVFILT_SIGNAL, EV_DISABLE, 0, 0, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + /* Block SIGUSR1, then send it to ourselves */ + sigset_t mask; + sigemptyset(&mask); + sigaddset(&mask, SIGUSR1); + if (sigprocmask(SIG_BLOCK, &mask, NULL) == -1) + err(1, "sigprocmask"); + if (kill(getpid(), SIGKILL) < 0) + err(1, "kill"); + + test_no_kevents(); + + success(); +} + +void +test_kevent_signal_enable(void) +{ + const char *test_id = "kevent(EVFILT_SIGNAL, EV_ENABLE)"; + struct kevent kev; + + test_begin(test_id); + + EV_SET(&kev, SIGUSR1, EVFILT_SIGNAL, EV_ENABLE, 0, 0, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + /* Block SIGUSR1, then send it to ourselves */ + sigset_t mask; + sigemptyset(&mask); + sigaddset(&mask, SIGUSR1); + if (sigprocmask(SIG_BLOCK, &mask, NULL) == -1) + err(1, "sigprocmask"); + if (kill(getpid(), SIGUSR1) < 0) + err(1, "kill"); + + kev.flags = EV_ADD | EV_CLEAR; +#if LIBKQUEUE + kev.data = 1; /* WORKAROUND */ +#else + kev.data = 2; // one extra time from test_kevent_signal_disable() +#endif + kevent_cmp(&kev, kevent_get(kqfd)); + + /* Delete the watch */ + kev.flags = EV_DELETE; + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + success(); +} + +void +test_kevent_signal_del(void) +{ + const char *test_id = "kevent(EVFILT_SIGNAL, EV_DELETE)"; + struct kevent kev; + + test_begin(test_id); + + /* Delete the kevent */ + EV_SET(&kev, SIGUSR1, EVFILT_SIGNAL, EV_DELETE, 0, 0, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + /* Block SIGUSR1, then send it to ourselves */ + sigset_t mask; + sigemptyset(&mask); + sigaddset(&mask, SIGUSR1); + if (sigprocmask(SIG_BLOCK, &mask, NULL) == -1) + err(1, "sigprocmask"); + if (kill(getpid(), SIGUSR1) < 0) + err(1, "kill"); + + test_no_kevents(); + success(); +} + +void +test_kevent_signal_oneshot(void) +{ + const char *test_id = "kevent(EVFILT_SIGNAL, EV_ONESHOT)"; + struct kevent kev; + + test_begin(test_id); + + EV_SET(&kev, SIGUSR1, EVFILT_SIGNAL, EV_ADD | EV_ONESHOT, 0, 0, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + /* Block SIGUSR1, then send it to ourselves */ + sigset_t mask; + sigemptyset(&mask); + sigaddset(&mask, SIGUSR1); + if (sigprocmask(SIG_BLOCK, &mask, NULL) == -1) + err(1, "sigprocmask"); + if (kill(getpid(), SIGUSR1) < 0) + err(1, "kill"); + + kev.flags |= EV_CLEAR; + kev.data = 1; + kevent_cmp(&kev, kevent_get(kqfd)); + + /* Send another one and make sure we get no events */ + if (kill(getpid(), SIGUSR1) < 0) + err(1, "kill"); + test_no_kevents(); + + success(); +} +#endif + +void +test_evfilt_proc() +{ + kqfd = kqueue(); + + signal(SIGUSR1, sig_handler); + + add_and_delete(); + +#if TODO + event_trigger(); +#endif + + signal(SIGUSR1, SIG_DFL); + +#if TODO + test_kevent_signal_add(); + test_kevent_signal_del(); + test_kevent_signal_get(); + test_kevent_signal_disable(); + test_kevent_signal_enable(); + test_kevent_signal_oneshot(); +#endif + close(kqfd); +} diff --git a/tools/regression/kqueue/read.c b/tools/regression/kqueue/read.c new file mode 100644 index 0000000..cc65427 --- /dev/null +++ b/tools/regression/kqueue/read.c @@ -0,0 +1,324 @@ +/* + * Copyright (c) 2009 Mark Heily <mark@heily.com> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * $FreeBSD$ + */ + +#include "common.h" + +int kqfd; +int sockfd[2]; + +static void +kevent_socket_drain(void) +{ + char buf[1]; + + /* Drain the read buffer, then make sure there are no more events. */ + puts("draining the read buffer"); + if (read(sockfd[0], &buf[0], 1) < 1) + err(1, "read(2)"); +} + +static void +kevent_socket_fill(void) +{ + puts("filling the read buffer"); + if (write(sockfd[1], ".", 1) < 1) + err(1, "write(2)"); +} + + +void +test_kevent_socket_add(void) +{ + const char *test_id = "kevent(EVFILT_READ, EV_ADD)"; + struct kevent kev; + + test_begin(test_id); + EV_SET(&kev, sockfd[0], EVFILT_READ, EV_ADD, 0, 0, &sockfd[0]); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + success(); +} + +void +test_kevent_socket_get(void) +{ + const char *test_id = "kevent(EVFILT_READ) wait"; + struct kevent kev; + + test_begin(test_id); + + EV_SET(&kev, sockfd[0], EVFILT_READ, EV_ADD, 0, 0, &sockfd[0]); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + kevent_socket_fill(); + + kev.data = 1; + kevent_cmp(&kev, kevent_get(kqfd)); + + kevent_socket_drain(); + test_no_kevents(); + + kev.flags = EV_DELETE; + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + success(); +} + +void +test_kevent_socket_clear(void) +{ + const char *test_id = "kevent(EVFILT_READ, EV_CLEAR)"; + struct kevent kev; + + test_begin(test_id); + + test_no_kevents(); + + EV_SET(&kev, sockfd[0], EVFILT_READ, EV_ADD | EV_CLEAR, 0, 0, &sockfd[0]); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + kevent_socket_fill(); + kevent_socket_fill(); + + kev.data = 2; + kevent_cmp(&kev, kevent_get(kqfd)); + + /* We filled twice, but drain once. Edge-triggered would not generate + additional events. + */ + kevent_socket_drain(); + test_no_kevents(); + + kevent_socket_drain(); + EV_SET(&kev, sockfd[0], EVFILT_READ, EV_DELETE, 0, 0, &sockfd[0]); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + success(); +} + +void +test_kevent_socket_disable_and_enable(void) +{ + const char *test_id = "kevent(EVFILT_READ, EV_DISABLE)"; + struct kevent kev; + + test_begin(test_id); + + /* Add an event, then disable it. */ + EV_SET(&kev, sockfd[0], EVFILT_READ, EV_ADD, 0, 0, &sockfd[0]); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + EV_SET(&kev, sockfd[0], EVFILT_READ, EV_DISABLE, 0, 0, &sockfd[0]); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + kevent_socket_fill(); + test_no_kevents(); + + /* Re-enable the knote, then see if an event is generated */ + kev.flags = EV_ENABLE; + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + kev.flags = EV_ADD; + kev.data = 1; + kevent_cmp(&kev, kevent_get(kqfd)); + + kevent_socket_drain(); + + kev.flags = EV_DELETE; + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + success(); +} + +void +test_kevent_socket_del(void) +{ + const char *test_id = "kevent(EVFILT_READ, EV_DELETE)"; + struct kevent kev; + + test_begin(test_id); + + EV_SET(&kev, sockfd[0], EVFILT_READ, EV_DELETE, 0, 0, &sockfd[0]); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + kevent_socket_fill(); + test_no_kevents(); + kevent_socket_drain(); + + success(); +} + +void +test_kevent_socket_oneshot(void) +{ + const char *test_id = "kevent(EVFILT_READ, EV_ONESHOT)"; + struct kevent kev; + + test_begin(test_id); + + /* Re-add the watch and make sure no events are pending */ + puts("-- re-adding knote"); + EV_SET(&kev, sockfd[0], EVFILT_READ, EV_ADD | EV_ONESHOT, 0, 0, &sockfd[0]); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + test_no_kevents(); + + puts("-- getting one event"); + kevent_socket_fill(); + kev.data = 1; + kevent_cmp(&kev, kevent_get(kqfd)); + + puts("-- checking knote disabled"); + test_no_kevents(); + + /* Try to delete the knote, it should already be deleted */ + EV_SET(&kev, sockfd[0], EVFILT_READ, EV_DELETE, 0, 0, &sockfd[0]); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) == 0) + err(1, "%s", test_id); + + kevent_socket_drain(); + + success(); +} + + +#if HAVE_EV_DISPATCH +void +test_kevent_socket_dispatch(void) +{ + const char *test_id = "kevent(EVFILT_READ, EV_DISPATCH)"; + + test_begin(test_id); + + struct kevent kev; + + /* Re-add the watch and make sure no events are pending */ + puts("-- re-adding knote"); + EV_SET(&kev, sockfd[0], EVFILT_READ, EV_ADD | EV_DISPATCH, 0, 0, &sockfd[0]); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + test_no_kevents(); + + /* The event will occur only once, even though EV_CLEAR is not + specified. */ + kevent_socket_fill(); + kev.data = 1; + kevent_cmp(&kev, kevent_get(kqfd)); + test_no_kevents(); + + /* Since the knote is disabled, the EV_DELETE operation succeeds. */ + EV_SET(&kev, sockfd[0], EVFILT_READ, EV_DELETE, 0, 0, &sockfd[0]); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + kevent_socket_drain(); + + success(); +} +#endif /* HAVE_EV_DISPATCH */ + +#if BROKEN +void +test_kevent_socket_lowat(void) +{ + const char *test_id = "kevent(EVFILT_READ, NOTE_LOWAT)"; + struct kevent kev; + + test_begin(test_id); + + /* Re-add the watch and make sure no events are pending */ + puts("-- re-adding knote, setting low watermark to 2 bytes"); + EV_SET(&kev, sockfd[0], EVFILT_READ, EV_ADD | EV_ONESHOT, NOTE_LOWAT, 2, &sockfd[0]); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + test_no_kevents(); + + puts("-- checking that one byte does not trigger an event.."); + kevent_socket_fill(); + test_no_kevents(); + + puts("-- checking that two bytes triggers an event.."); + kevent_socket_fill(); + if (kevent(kqfd, NULL, 0, &kev, 1, NULL) != 1) + err(1, "%s", test_id); + KEV_CMP(kev, sockfd[0], EVFILT_READ, 0); + test_no_kevents(); + + kevent_socket_drain(); + kevent_socket_drain(); + + success(); +} +#endif + +void +test_kevent_socket_eof(void) +{ + const char *test_id = "kevent(EVFILT_READ, EV_EOF)"; + struct kevent kev; + + test_begin(test_id); + + /* Re-add the watch and make sure no events are pending */ + EV_SET(&kev, sockfd[0], EVFILT_READ, EV_ADD, 0, 0, &sockfd[0]); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + test_no_kevents(); + + if (close(sockfd[1]) < 0) + err(1, "close(2)"); + + kev.flags |= EV_EOF; + kevent_cmp(&kev, kevent_get(kqfd)); + + /* Delete the watch */ + EV_SET(&kev, sockfd[0], EVFILT_READ, EV_DELETE, 0, 0, &sockfd[0]); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + success(); +} + +void +test_evfilt_read() +{ + /* Create a connected pair of full-duplex sockets for testing socket events */ + if (socketpair(AF_UNIX, SOCK_STREAM, 0, sockfd) < 0) + abort(); + + kqfd = kqueue(); + test_kevent_socket_add(); + test_kevent_socket_del(); + test_kevent_socket_get(); + test_kevent_socket_disable_and_enable(); + test_kevent_socket_oneshot(); + test_kevent_socket_clear(); +#if HAVE_EV_DISPATCH + test_kevent_socket_dispatch(); +#endif + test_kevent_socket_eof(); + close(kqfd); +} diff --git a/tools/regression/kqueue/signal.c b/tools/regression/kqueue/signal.c new file mode 100644 index 0000000..14e751d --- /dev/null +++ b/tools/regression/kqueue/signal.c @@ -0,0 +1,199 @@ +/* + * Copyright (c) 2009 Mark Heily <mark@heily.com> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * $FreeBSD$ + */ + +#include "common.h" + +int kqfd; + +void +test_kevent_signal_add(void) +{ + const char *test_id = "kevent(EVFILT_SIGNAL, EV_ADD)"; + struct kevent kev; + + test_begin(test_id); + + EV_SET(&kev, SIGUSR1, EVFILT_SIGNAL, EV_ADD, 0, 0, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + success(); +} + +void +test_kevent_signal_get(void) +{ + const char *test_id = "kevent(EVFILT_SIGNAL, wait)"; + struct kevent kev; + + test_begin(test_id); + + EV_SET(&kev, SIGUSR1, EVFILT_SIGNAL, EV_ADD, 0, 0, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + /* Block SIGUSR1, then send it to ourselves */ + sigset_t mask; + sigemptyset(&mask); + sigaddset(&mask, SIGUSR1); + if (sigprocmask(SIG_BLOCK, &mask, NULL) == -1) + err(1, "sigprocmask"); + if (kill(getpid(), SIGUSR1) < 0) + err(1, "kill"); + + kev.flags |= EV_CLEAR; + kev.data = 1; + kevent_cmp(&kev, kevent_get(kqfd)); + + success(); +} + +void +test_kevent_signal_disable(void) +{ + const char *test_id = "kevent(EVFILT_SIGNAL, EV_DISABLE)"; + struct kevent kev; + + test_begin(test_id); + + EV_SET(&kev, SIGUSR1, EVFILT_SIGNAL, EV_DISABLE, 0, 0, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + /* Block SIGUSR1, then send it to ourselves */ + sigset_t mask; + sigemptyset(&mask); + sigaddset(&mask, SIGUSR1); + if (sigprocmask(SIG_BLOCK, &mask, NULL) == -1) + err(1, "sigprocmask"); + if (kill(getpid(), SIGUSR1) < 0) + err(1, "kill"); + + test_no_kevents(); + + success(); +} + +void +test_kevent_signal_enable(void) +{ + const char *test_id = "kevent(EVFILT_SIGNAL, EV_ENABLE)"; + struct kevent kev; + + test_begin(test_id); + + EV_SET(&kev, SIGUSR1, EVFILT_SIGNAL, EV_ENABLE, 0, 0, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + /* Block SIGUSR1, then send it to ourselves */ + sigset_t mask; + sigemptyset(&mask); + sigaddset(&mask, SIGUSR1); + if (sigprocmask(SIG_BLOCK, &mask, NULL) == -1) + err(1, "sigprocmask"); + if (kill(getpid(), SIGUSR1) < 0) + err(1, "kill"); + + kev.flags = EV_ADD | EV_CLEAR; +#if LIBKQUEUE + kev.data = 1; /* WORKAROUND */ +#else + kev.data = 2; // one extra time from test_kevent_signal_disable() +#endif + kevent_cmp(&kev, kevent_get(kqfd)); + + /* Delete the watch */ + kev.flags = EV_DELETE; + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + success(); +} + +void +test_kevent_signal_del(void) +{ + const char *test_id = "kevent(EVFILT_SIGNAL, EV_DELETE)"; + struct kevent kev; + + test_begin(test_id); + + /* Delete the kevent */ + EV_SET(&kev, SIGUSR1, EVFILT_SIGNAL, EV_DELETE, 0, 0, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + /* Block SIGUSR1, then send it to ourselves */ + sigset_t mask; + sigemptyset(&mask); + sigaddset(&mask, SIGUSR1); + if (sigprocmask(SIG_BLOCK, &mask, NULL) == -1) + err(1, "sigprocmask"); + if (kill(getpid(), SIGUSR1) < 0) + err(1, "kill"); + + test_no_kevents(); + success(); +} + +void +test_kevent_signal_oneshot(void) +{ + const char *test_id = "kevent(EVFILT_SIGNAL, EV_ONESHOT)"; + struct kevent kev; + + test_begin(test_id); + + EV_SET(&kev, SIGUSR1, EVFILT_SIGNAL, EV_ADD | EV_ONESHOT, 0, 0, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + /* Block SIGUSR1, then send it to ourselves */ + sigset_t mask; + sigemptyset(&mask); + sigaddset(&mask, SIGUSR1); + if (sigprocmask(SIG_BLOCK, &mask, NULL) == -1) + err(1, "sigprocmask"); + if (kill(getpid(), SIGUSR1) < 0) + err(1, "kill"); + + kev.flags |= EV_CLEAR; + kev.data = 1; + kevent_cmp(&kev, kevent_get(kqfd)); + + /* Send another one and make sure we get no events */ + if (kill(getpid(), SIGUSR1) < 0) + err(1, "kill"); + test_no_kevents(); + + success(); +} + +void +test_evfilt_signal() +{ + kqfd = kqueue(); + test_kevent_signal_add(); + test_kevent_signal_del(); + test_kevent_signal_get(); + test_kevent_signal_disable(); + test_kevent_signal_enable(); + test_kevent_signal_oneshot(); + close(kqfd); +} diff --git a/tools/regression/kqueue/timer.c b/tools/regression/kqueue/timer.c new file mode 100644 index 0000000..766125d --- /dev/null +++ b/tools/regression/kqueue/timer.c @@ -0,0 +1,178 @@ +/* + * Copyright (c) 2009 Mark Heily <mark@heily.com> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * $FreeBSD$ + */ + +#include "common.h" + +int kqfd; + +void +test_kevent_timer_add(void) +{ + const char *test_id = "kevent(EVFILT_TIMER, EV_ADD)"; + struct kevent kev; + + test_begin(test_id); + + EV_SET(&kev, 1, EVFILT_TIMER, EV_ADD, 0, 1000, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + success(); +} + +void +test_kevent_timer_del(void) +{ + const char *test_id = "kevent(EVFILT_TIMER, EV_DELETE)"; + struct kevent kev; + + test_begin(test_id); + + EV_SET(&kev, 1, EVFILT_TIMER, EV_DELETE, 0, 0, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + test_no_kevents(); + + success(); +} + +void +test_kevent_timer_get(void) +{ + const char *test_id = "kevent(EVFILT_TIMER, wait)"; + struct kevent kev; + + test_begin(test_id); + + EV_SET(&kev, 1, EVFILT_TIMER, EV_ADD, 0, 1000, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + kev.flags |= EV_CLEAR; + kev.data = 1; + kevent_cmp(&kev, kevent_get(kqfd)); + + EV_SET(&kev, 1, EVFILT_TIMER, EV_DELETE, 0, 0, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + success(); +} + +static void +test_oneshot(void) +{ + const char *test_id = "kevent(EVFILT_TIMER, EV_ONESHOT)"; + struct kevent kev; + + test_begin(test_id); + + test_no_kevents(); + + EV_SET(&kev, vnode_fd, EVFILT_TIMER, EV_ADD | EV_ONESHOT, 0, 500,NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + /* Retrieve the event */ + kev.flags = EV_ADD | EV_CLEAR | EV_ONESHOT; + kev.data = 1; + kevent_cmp(&kev, kevent_get(kqfd)); + + /* Check if the event occurs again */ + sleep(3); + test_no_kevents(); + + + success(); +} + +static void +test_periodic(void) +{ + const char *test_id = "kevent(EVFILT_TIMER, periodic)"; + struct kevent kev; + + test_begin(test_id); + + test_no_kevents(); + + EV_SET(&kev, vnode_fd, EVFILT_TIMER, EV_ADD, 0, 1000,NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + /* Retrieve the event */ + kev.flags = EV_ADD | EV_CLEAR; + kev.data = 1; + kevent_cmp(&kev, kevent_get(kqfd)); + + /* Check if the event occurs again */ + sleep(1); + kevent_cmp(&kev, kevent_get(kqfd)); + + /* Delete the event */ + kev.flags = EV_DELETE; + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + success(); +} + +static void +disable_and_enable(void) +{ + const char *test_id = "kevent(EVFILT_TIMER, EV_DISABLE and EV_ENABLE)"; + struct kevent kev; + + test_begin(test_id); + + test_no_kevents(); + + /* Add the watch and immediately disable it */ + EV_SET(&kev, vnode_fd, EVFILT_TIMER, EV_ADD | EV_ONESHOT, 0, 2000,NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + kev.flags = EV_DISABLE; + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + test_no_kevents(); + + /* Re-enable and check again */ + kev.flags = EV_ENABLE; + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + kev.flags = EV_ADD | EV_CLEAR | EV_ONESHOT; + kev.data = 1; + kevent_cmp(&kev, kevent_get(kqfd)); + + success(); +} + +void +test_evfilt_timer() +{ + kqfd = kqueue(); + test_kevent_timer_add(); + test_kevent_timer_del(); + test_kevent_timer_get(); + test_oneshot(); + test_periodic(); + disable_and_enable(); + close(kqfd); +} diff --git a/tools/regression/kqueue/user.c b/tools/regression/kqueue/user.c new file mode 100644 index 0000000..9ba25f9 --- /dev/null +++ b/tools/regression/kqueue/user.c @@ -0,0 +1,129 @@ +/* + * Copyright (c) 2009 Mark Heily <mark@heily.com> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * $FreeBSD$ + */ + +#include "common.h" + +int kqfd; + +static void +add_and_delete(void) +{ + const char *test_id = "kevent(EVFILT_USER, EV_ADD and EV_DELETE)"; + struct kevent kev; + + test_begin(test_id); + + kevent_add(kqfd, &kev, 1, EVFILT_USER, EV_ADD, 0, 0, NULL); + test_no_kevents(); + + kevent_add(kqfd, &kev, 1, EVFILT_USER, EV_DELETE, 0, 0, NULL); + test_no_kevents(); + + success(); +} + +static void +event_wait(void) +{ + const char *test_id = "kevent(EVFILT_USER, wait)"; + struct kevent kev; + + test_begin(test_id); + + test_no_kevents(); + + /* Add the event, and then trigger it */ + kevent_add(kqfd, &kev, 1, EVFILT_USER, EV_ADD | EV_CLEAR, 0, 0, NULL); + kevent_add(kqfd, &kev, 1, EVFILT_USER, 0, NOTE_TRIGGER, 0, NULL); + + kev.fflags &= ~NOTE_FFCTRLMASK; + kev.fflags &= ~NOTE_TRIGGER; + kev.flags = EV_CLEAR; + kevent_cmp(&kev, kevent_get(kqfd)); + + test_no_kevents(); + + success(); +} + +static void +disable_and_enable(void) +{ + const char *test_id = "kevent(EVFILT_USER, EV_DISABLE and EV_ENABLE)"; + struct kevent kev; + + test_begin(test_id); + + test_no_kevents(); + + kevent_add(kqfd, &kev, 1, EVFILT_USER, EV_ADD, 0, 0, NULL); + kevent_add(kqfd, &kev, 1, EVFILT_USER, EV_DISABLE, 0, 0, NULL); + + /* Trigger the event, but since it is disabled, nothing will happen. */ + kevent_add(kqfd, &kev, 1, EVFILT_USER, 0, NOTE_TRIGGER, 0, NULL); + test_no_kevents(); + + kevent_add(kqfd, &kev, 1, EVFILT_USER, EV_ENABLE, 0, 0, NULL); + kevent_add(kqfd, &kev, 1, EVFILT_USER, 0, NOTE_TRIGGER, 0, NULL); + + kev.flags = EV_CLEAR; + kev.fflags &= ~NOTE_FFCTRLMASK; + kev.fflags &= ~NOTE_TRIGGER; + kevent_cmp(&kev, kevent_get(kqfd)); + + success(); +} + +static void +oneshot(void) +{ + const char *test_id = "kevent(EVFILT_USER, EV_ONESHOT)"; + struct kevent kev; + + test_begin(test_id); + + test_no_kevents(); + + kevent_add(kqfd, &kev, 2, EVFILT_USER, EV_ADD | EV_ONESHOT, 0, 0, NULL); + + puts(" -- event 1"); + kevent_add(kqfd, &kev, 2, EVFILT_USER, 0, NOTE_TRIGGER, 0, NULL); + + kev.flags = EV_ONESHOT; + kev.fflags &= ~NOTE_FFCTRLMASK; + kev.fflags &= ~NOTE_TRIGGER; + kevent_cmp(&kev, kevent_get(kqfd)); + + test_no_kevents(); + + success(); +} + +void +test_evfilt_user() +{ + kqfd = kqueue(); + + add_and_delete(); + event_wait(); + disable_and_enable(); + oneshot(); + /* TODO: try different fflags operations */ + + close(kqfd); +} diff --git a/tools/regression/kqueue/vnode.c b/tools/regression/kqueue/vnode.c new file mode 100644 index 0000000..dfa0b5e --- /dev/null +++ b/tools/regression/kqueue/vnode.c @@ -0,0 +1,266 @@ +/* + * Copyright (c) 2009 Mark Heily <mark@heily.com> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * $FreeBSD$ + */ + +#include "common.h" + +int kqfd; +int vnode_fd; + +void +test_kevent_vnode_add(void) +{ + const char *test_id = "kevent(EVFILT_VNODE, EV_ADD)"; + const char *testfile = "/tmp/kqueue-test.tmp"; + struct kevent kev; + + test_begin(test_id); + + system("touch /tmp/kqueue-test.tmp"); + vnode_fd = open(testfile, O_RDONLY); + if (vnode_fd < 0) + err(1, "open of %s", testfile); + else + printf("vnode_fd = %d\n", vnode_fd); + + EV_SET(&kev, vnode_fd, EVFILT_VNODE, EV_ADD, + NOTE_WRITE | NOTE_ATTRIB | NOTE_RENAME | NOTE_DELETE, 0, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + success(); +} + +void +test_kevent_vnode_note_delete(void) +{ + const char *test_id = "kevent(EVFILT_VNODE, NOTE_DELETE)"; + struct kevent kev; + + test_begin(test_id); + + EV_SET(&kev, vnode_fd, EVFILT_VNODE, EV_ADD | EV_ONESHOT, NOTE_DELETE, 0, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + if (unlink("/tmp/kqueue-test.tmp") < 0) + err(1, "unlink"); + + kevent_cmp(&kev, kevent_get(kqfd)); + + success(); +} + +void +test_kevent_vnode_note_write(void) +{ + const char *test_id = "kevent(EVFILT_VNODE, NOTE_WRITE)"; + struct kevent kev; + + test_begin(test_id); + + EV_SET(&kev, vnode_fd, EVFILT_VNODE, EV_ADD | EV_ONESHOT, NOTE_WRITE, 0, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + if (system("echo hello >> /tmp/kqueue-test.tmp") < 0) + err(1, "system"); + + /* BSD kqueue adds NOTE_EXTEND even though it was not requested */ + /* BSD kqueue removes EV_ENABLE */ + kev.flags &= ~EV_ENABLE; // XXX-FIXME compatibility issue + kev.fflags |= NOTE_EXTEND; // XXX-FIXME compatibility issue + kevent_cmp(&kev, kevent_get(kqfd)); + + success(); +} + +void +test_kevent_vnode_note_attrib(void) +{ + const char *test_id = "kevent(EVFILT_VNODE, NOTE_ATTRIB)"; + struct kevent kev; + int nfds; + + test_begin(test_id); + + EV_SET(&kev, vnode_fd, EVFILT_VNODE, EV_ADD | EV_ONESHOT, NOTE_ATTRIB, 0, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + if (system("touch /tmp/kqueue-test.tmp") < 0) + err(1, "system"); + + nfds = kevent(kqfd, NULL, 0, &kev, 1, NULL); + if (nfds < 1) + err(1, "%s", test_id); + if (kev.ident != vnode_fd || + kev.filter != EVFILT_VNODE || + kev.fflags != NOTE_ATTRIB) + err(1, "%s - incorrect event (sig=%u; filt=%d; flags=%d)", + test_id, (unsigned int)kev.ident, kev.filter, kev.flags); + + success(); +} + +void +test_kevent_vnode_note_rename(void) +{ + const char *test_id = "kevent(EVFILT_VNODE, NOTE_RENAME)"; + struct kevent kev; + int nfds; + + test_begin(test_id); + + EV_SET(&kev, vnode_fd, EVFILT_VNODE, EV_ADD | EV_ONESHOT, NOTE_RENAME, 0, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + if (system("mv /tmp/kqueue-test.tmp /tmp/kqueue-test2.tmp") < 0) + err(1, "system"); + + nfds = kevent(kqfd, NULL, 0, &kev, 1, NULL); + if (nfds < 1) + err(1, "%s", test_id); + if (kev.ident != vnode_fd || + kev.filter != EVFILT_VNODE || + kev.fflags != NOTE_RENAME) + err(1, "%s - incorrect event (sig=%u; filt=%d; flags=%d)", + test_id, (unsigned int)kev.ident, kev.filter, kev.flags); + + if (system("mv /tmp/kqueue-test2.tmp /tmp/kqueue-test.tmp") < 0) + err(1, "system"); + + success(); +} + +void +test_kevent_vnode_del(void) +{ + const char *test_id = "kevent(EVFILT_VNODE, EV_DELETE)"; + struct kevent kev; + + test_begin(test_id); + + EV_SET(&kev, vnode_fd, EVFILT_VNODE, EV_DELETE, 0, 0, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + success(); +} + +void +test_kevent_vnode_disable_and_enable(void) +{ + const char *test_id = "kevent(EVFILT_VNODE, EV_DISABLE and EV_ENABLE)"; + struct kevent kev; + int nfds; + + test_begin(test_id); + + test_no_kevents(); + + /* Add the watch and immediately disable it */ + EV_SET(&kev, vnode_fd, EVFILT_VNODE, EV_ADD | EV_ONESHOT, NOTE_ATTRIB, 0, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + kev.flags = EV_DISABLE; + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + /* Confirm that the watch is disabled */ + if (system("touch /tmp/kqueue-test.tmp") < 0) + err(1, "system"); + test_no_kevents(); + + /* Re-enable and check again */ + kev.flags = EV_ENABLE; + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + if (system("touch /tmp/kqueue-test.tmp") < 0) + err(1, "system"); + nfds = kevent(kqfd, NULL, 0, &kev, 1, NULL); + if (nfds < 1) + err(1, "%s", test_id); + if (kev.ident != vnode_fd || + kev.filter != EVFILT_VNODE || + kev.fflags != NOTE_ATTRIB) + err(1, "%s - incorrect event (sig=%u; filt=%d; flags=%d)", + test_id, (unsigned int)kev.ident, kev.filter, kev.flags); + + success(); +} + +#if HAVE_EV_DISPATCH +void +test_kevent_vnode_dispatch(void) +{ + const char *test_id = "kevent(EVFILT_VNODE, EV_DISPATCH)"; + struct kevent kev; + int nfds; + + test_begin(test_id); + + test_no_kevents(); + + EV_SET(&kev, vnode_fd, EVFILT_VNODE, EV_ADD | EV_DISPATCH, NOTE_ATTRIB, 0, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "%s", test_id); + + if (system("touch /tmp/kqueue-test.tmp") < 0) + err(1, "system"); + + nfds = kevent(kqfd, NULL, 0, &kev, 1, NULL); + if (nfds < 1) + err(1, "%s", test_id); + if (kev.ident != vnode_fd || + kev.filter != EVFILT_VNODE || + kev.fflags != NOTE_ATTRIB) + err(1, "%s - incorrect event (sig=%u; filt=%d; flags=%d)", + test_id, (unsigned int)kev.ident, kev.filter, kev.flags); + + /* Confirm that the watch is disabled automatically */ + puts("-- checking that watch is disabled"); + if (system("touch /tmp/kqueue-test.tmp") < 0) + err(1, "system"); + test_no_kevents(); + + /* Delete the watch */ + EV_SET(&kev, vnode_fd, EVFILT_VNODE, EV_DELETE, NOTE_ATTRIB, 0, NULL); + if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0) + err(1, "remove watch failed: %s", test_id); + + success(); +} +#endif /* HAVE_EV_DISPATCH */ + +void +test_evfilt_vnode() +{ + kqfd = kqueue(); + test_kevent_vnode_add(); + test_kevent_vnode_del(); + test_kevent_vnode_disable_and_enable(); +#if HAVE_EV_DISPATCH + test_kevent_vnode_dispatch(); +#endif + test_kevent_vnode_note_write(); + test_kevent_vnode_note_attrib(); + test_kevent_vnode_note_rename(); + test_kevent_vnode_note_delete(); + close(kqfd); +} diff --git a/tools/regression/lib/libc/stdio/test-open_memstream.c b/tools/regression/lib/libc/stdio/test-open_memstream.c index 1a168c6..fdbda30 100644 --- a/tools/regression/lib/libc/stdio/test-open_memstream.c +++ b/tools/regression/lib/libc/stdio/test-open_memstream.c @@ -1,5 +1,5 @@ /*- - * Copyright (c) 2013 Advanced Computing Technologies LLC + * Copyright (c) 2013 Hudson River Trading LLC * Written by: John H. Baldwin <jhb@FreeBSD.org> * All rights reserved. * diff --git a/tools/regression/lib/libc/stdio/test-open_wmemstream.c b/tools/regression/lib/libc/stdio/test-open_wmemstream.c index 4cd0ab9..2a90fcd 100644 --- a/tools/regression/lib/libc/stdio/test-open_wmemstream.c +++ b/tools/regression/lib/libc/stdio/test-open_wmemstream.c @@ -1,5 +1,5 @@ /*- - * Copyright (c) 2013 Advanced Computing Technologies LLC + * Copyright (c) 2013 Hudson River Trading LLC * Written by: John H. Baldwin <jhb@FreeBSD.org> * All rights reserved. * diff --git a/tools/regression/mmap/Makefile b/tools/regression/mmap/Makefile new file mode 100644 index 0000000..c9bb5c4 --- /dev/null +++ b/tools/regression/mmap/Makefile @@ -0,0 +1,6 @@ +# $FreeBSD$ + +PROG= mmap +MAN= + +.include <bsd.prog.mk> diff --git a/tools/regression/mmap/mmap.c b/tools/regression/mmap/mmap.c new file mode 100644 index 0000000..14c55a1 --- /dev/null +++ b/tools/regression/mmap/mmap.c @@ -0,0 +1,96 @@ +/*- + * Copyright (c) 2009 Simon L. Nielsen <simon@FreeBSD.org>, + * Bjoern A. Zeeb <bz@FreeBSD.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/param.h> +#include <sys/mman.h> +#include <sys/sysctl.h> +#include <sys/types.h> + +#include <stdio.h> +#include <err.h> + +const struct tests { + void *addr; + int ok[2]; /* Depending on security.bsd.map_at_zero {0, !=0}. */ +} tests[] = { + { (void *)0, { 0, 1 } }, /* Test sysctl. */ + { (void *)1, { 0, 0 } }, + { (void *)(PAGE_SIZE - 1), { 0, 0 } }, + { (void *)PAGE_SIZE, { 1, 1 } }, + { (void *)-1, { 0, 0 } }, + { (void *)(-PAGE_SIZE), { 0, 0 } }, + { (void *)(-1 - PAGE_SIZE), { 0, 0 } }, + { (void *)(-1 - PAGE_SIZE - 1), { 0, 0 } }, + { (void *)(0x1000 * PAGE_SIZE), { 1, 1 } }, +}; + +int +main(void) +{ + void *p; + size_t len; + int i, error, mib[3], map_at_zero; + + error = 0; + + /* Get the current sysctl value of security.bsd.map_at_zero. */ + len = sizeof(mib) / sizeof(*mib); + if (sysctlnametomib("security.bsd.map_at_zero", mib, &len) == -1) + err(1, "sysctlnametomib(security.bsd.map_at_zero)"); + + len = sizeof(map_at_zero); + if (sysctl(mib, 3, &map_at_zero, &len, NULL, 0) == -1) + err(1, "sysctl(security.bsd.map_at_zero)"); + + /* Normalize to 0 or 1 for array access. */ + map_at_zero = !!map_at_zero; + + for (i=0; i < (sizeof(tests) / sizeof(*tests)); i++) { + p = mmap((void *)tests[i].addr, PAGE_SIZE, + PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_FIXED, + -1, 0); + if (p == MAP_FAILED) { + if (tests[i].ok[map_at_zero] != 0) + error++; + warnx("%s: mmap(%p, ...) failed.", + (tests[i].ok[map_at_zero] == 0) ? "OK " : "ERR", + tests[i].addr); + } else { + if (tests[i].ok[map_at_zero] != 1) + error++; + warnx("%s: mmap(%p, ...) succeeded: p=%p", + (tests[i].ok[map_at_zero] == 1) ? "OK " : "ERR", + tests[i].addr, p); + } + } + + if (error) + err(1, "---\nERROR: %d unexpected results.", error); + + return (error != 0); +} diff --git a/tools/regression/mqueue/Makefile b/tools/regression/mqueue/Makefile new file mode 100644 index 0000000..a4f386b --- /dev/null +++ b/tools/regression/mqueue/Makefile @@ -0,0 +1,5 @@ +# $FreeBSD$ + +SUBDIR=mqtest1 mqtest2 mqtest3 mqtest4 mqtest5 + +.include <bsd.subdir.mk> diff --git a/tools/regression/mqueue/mqtest1/Makefile b/tools/regression/mqueue/mqtest1/Makefile new file mode 100644 index 0000000..3a50cee --- /dev/null +++ b/tools/regression/mqueue/mqtest1/Makefile @@ -0,0 +1,9 @@ +# $FreeBSD$ + +PROG=mqtest1 +DPADD= ${LIBRT} +LDADD= -lrt +MAN= +DEBUG_FLAGS=-g + +.include <bsd.prog.mk> diff --git a/tools/regression/mqueue/mqtest1/mqtest1.c b/tools/regression/mqueue/mqtest1/mqtest1.c new file mode 100644 index 0000000..25fc1ba --- /dev/null +++ b/tools/regression/mqueue/mqtest1/mqtest1.c @@ -0,0 +1,52 @@ +/* $FreeBSD$ */ + +#include <err.h> +#include <errno.h> +#include <fcntl.h> +#include <mqueue.h> +#include <signal.h> +#include <stdio.h> + +#define MQNAME "/mytstqueue1" + +int main() +{ + struct mq_attr attr, attr2; + struct sigevent sigev; + mqd_t mq; + int status; + + attr.mq_maxmsg = 2; + attr.mq_msgsize = 100; + mq = mq_open(MQNAME, O_CREAT | O_RDWR | O_EXCL, 0666, &attr); + if (mq == (mqd_t)-1) + err(1, "mq_open"); + status = mq_unlink(MQNAME); + if (status) + err(1, "mq_unlink"); + status = mq_getattr(mq, &attr2); + if (status) + err(1, "mq_getattr"); + if (attr.mq_maxmsg != attr2.mq_maxmsg) + err(1, "mq_maxmsg changed"); + if (attr.mq_msgsize != attr2.mq_msgsize) + err(1, "mq_msgsize changed"); + + sigev.sigev_notify = SIGEV_SIGNAL; + sigev.sigev_signo = SIGRTMIN; + status = mq_notify(mq, &sigev); + if (status) + err(1, "mq_notify"); + status = mq_notify(mq, &sigev); + if (status == 0) + err(1, "mq_notify 2"); + else if (errno != EBUSY) + err(1, "mq_notify 3"); + status = mq_notify(mq, NULL); + if (status) + err(1, "mq_notify 4"); + status = mq_close(mq); + if (status) + err(1, "mq_close"); + return (0); +} diff --git a/tools/regression/mqueue/mqtest2/Makefile b/tools/regression/mqueue/mqtest2/Makefile new file mode 100644 index 0000000..0709854 --- /dev/null +++ b/tools/regression/mqueue/mqtest2/Makefile @@ -0,0 +1,9 @@ +# $FreeBSD$ + +PROG=mqtest2 +DPADD= ${LIBRT} +LDADD= -lrt +MAN= +DEBUG_FLAGS=-g + +.include <bsd.prog.mk> diff --git a/tools/regression/mqueue/mqtest2/mqtest2.c b/tools/regression/mqueue/mqtest2/mqtest2.c new file mode 100644 index 0000000..bfe6d97 --- /dev/null +++ b/tools/regression/mqueue/mqtest2/mqtest2.c @@ -0,0 +1,93 @@ +/* $FreeBSD$ */ + +#include <sys/types.h> +#include <sys/wait.h> +#include <err.h> +#include <fcntl.h> +#include <mqueue.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +#define MQNAME "/mytstqueue2" +#define LOOPS 1000 +#define PRIO 10 + +void alarmhandler(int sig) +{ + write(1, "timeout\n", 8); + _exit(1); +} + +int main() +{ + struct mq_attr attr; + mqd_t mq; + int status, pid; + + mq_unlink(MQNAME); + + attr.mq_maxmsg = 5; + attr.mq_msgsize = 128; + mq = mq_open(MQNAME, O_CREAT | O_RDWR | O_EXCL, 0666, &attr); + if (mq == (mqd_t)-1) + err(1, "mq_open"); + status = mq_getattr(mq, &attr); + if (status) + err(1, "mq_getattr"); + pid = fork(); + if (pid == 0) { /* child */ + int prio, j, i; + char *buf; + + mq_close(mq); + + signal(SIGALRM, alarmhandler); + + mq = mq_open(MQNAME, O_RDWR); + if (mq == (mqd_t)-1) + err(1, "child: mq_open"); + buf = malloc(attr.mq_msgsize); + for (j = 0; j < LOOPS; ++j) { + alarm(3); + status = mq_receive(mq, buf, attr.mq_msgsize, &prio); + if (status == -1) + err(2, "child: mq_receive"); + for (i = 0; i < attr.mq_msgsize; ++i) + if (buf[i] != i) + err(3, "child: message data corrupted"); + if (prio != PRIO) + err(4, "child: priority is incorrect: %d", + prio); + } + alarm(0); + free(buf); + mq_close(mq); + return (0); + } else if (pid == -1) { + err(1, "fork()"); + } else { + char *buf; + int i, j, prio; + + signal(SIGALRM, alarmhandler); + buf = malloc(attr.mq_msgsize); + for (j = 0; j < LOOPS; ++j) { + for (i = 0; i < attr.mq_msgsize; ++i) + buf[i] = i; + alarm(3); + status = mq_send(mq, buf, attr.mq_msgsize, PRIO); + if (status) + err(1, "mq_send"); + } + alarm(3); + wait(&status); + alarm(0); + } + status = mq_close(mq); + if (status) + err(1, "mq_close"); + mq_unlink(MQNAME); + return (0); +} diff --git a/tools/regression/mqueue/mqtest3/Makefile b/tools/regression/mqueue/mqtest3/Makefile new file mode 100644 index 0000000..514cbac --- /dev/null +++ b/tools/regression/mqueue/mqtest3/Makefile @@ -0,0 +1,9 @@ +# $FreeBSD$ + +PROG=mqtest3 +DPADD= ${LIBRT} +LDADD= -lrt +MAN= +DEBUG_FLAGS=-g + +.include <bsd.prog.mk> diff --git a/tools/regression/mqueue/mqtest3/mqtest3.c b/tools/regression/mqueue/mqtest3/mqtest3.c new file mode 100644 index 0000000..aa47ffa --- /dev/null +++ b/tools/regression/mqueue/mqtest3/mqtest3.c @@ -0,0 +1,109 @@ +/* $FreeBSD$ */ + +#include <sys/types.h> +#include <sys/select.h> +#include <sys/wait.h> +#include <err.h> +#include <fcntl.h> +#include <mqueue.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +#define MQNAME "/mytstqueue3" +#define LOOPS 1000 +#define PRIO 10 + +void sighandler(int sig) +{ + write(1, "timeout\n", 8); + _exit(1); +} + +int main() +{ + mqd_t mq; + int status; + struct mq_attr attr; + int pid; + fd_set set; + + mq_unlink(MQNAME); + + attr.mq_maxmsg = 5; + attr.mq_msgsize = 128; + mq = mq_open(MQNAME, O_CREAT | O_RDWR | O_EXCL, 0666, &attr); + if (mq == (mqd_t)-1) + err(1, "mq_open()"); + status = mq_getattr(mq, &attr); + if (status) + err(1, "mq_getattr()"); + + pid = fork(); + if (pid == 0) { /* child */ + int prio, j, i; + char *buf; + + mq_close(mq); + + signal(SIGALRM, sighandler); + + mq = mq_open(MQNAME, O_RDWR); + if (mq == (mqd_t)-1) + err(1, "child process: mq_open"); + buf = malloc(attr.mq_msgsize); + for (j = 0; j < LOOPS; ++j) { + FD_ZERO(&set); + FD_SET(__mq_oshandle(mq), &set); + alarm(3); + status = select(__mq_oshandle(mq)+1, &set, NULL, NULL, NULL); + if (status != 1) + err(1, "child process: select()"); + status = mq_receive(mq, buf, attr.mq_msgsize, &prio); + if (status == -1) + err(2, "child process: mq_receive"); + for (i = 0; i < attr.mq_msgsize; ++i) + if (buf[i] != i) + err(3, "message data corrupted"); + if (prio != PRIO) + err(4, "priority is incorrect: %d", prio); + } + alarm(0); + free(buf); + mq_close(mq); + return (0); + } else if (pid == -1) { + err(1, "fork()"); + } else { + char *buf; + int i, j, prio; + + signal(SIGALRM, sighandler); + buf = malloc(attr.mq_msgsize); + for (j = 0; j < LOOPS; ++j) { + for (i = 0; i < attr.mq_msgsize; ++i) { + buf[i] = i; + } + alarm(3); + FD_ZERO(&set); + FD_SET(__mq_oshandle(mq), &set); + status = select(__mq_oshandle(mq)+1, NULL, &set, NULL, NULL); + if (status != 1) + err(1, "select()"); + status = mq_send(mq, buf, attr.mq_msgsize, PRIO); + if (status) { + kill(pid, SIGKILL); + err(2, "mq_send()"); + } + } + alarm(3); + wait(&status); + alarm(0); + } + status = mq_close(mq); + if (status) + err(1, "mq_close"); + mq_unlink(MQNAME); + return (0); +} diff --git a/tools/regression/mqueue/mqtest4/Makefile b/tools/regression/mqueue/mqtest4/Makefile new file mode 100644 index 0000000..781d76d --- /dev/null +++ b/tools/regression/mqueue/mqtest4/Makefile @@ -0,0 +1,9 @@ +# $FreeBSD$ + +PROG=mqtest4 +DPADD= ${LIBRT} +LDADD= -lrt +MAN= +DEBUG_FLAGS=-g + +.include <bsd.prog.mk> diff --git a/tools/regression/mqueue/mqtest4/mqtest4.c b/tools/regression/mqueue/mqtest4/mqtest4.c new file mode 100644 index 0000000..80a7f88 --- /dev/null +++ b/tools/regression/mqueue/mqtest4/mqtest4.c @@ -0,0 +1,115 @@ +/* $FreeBSD$ */ + +#include <sys/types.h> +#include <sys/event.h> +#include <sys/select.h> +#include <sys/wait.h> +#include <err.h> +#include <fcntl.h> +#include <mqueue.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +#define MQNAME "/mytstqueue4" +#define LOOPS 1000 +#define PRIO 10 + +void sighandler(int sig) +{ + write(1, "timeout\n", 8); + _exit(1); +} + +int main() +{ + mqd_t mq; + int status; + struct mq_attr attr; + int pid; + fd_set set; + int kq; + struct kevent kev; + + mq_unlink(MQNAME); + + attr.mq_maxmsg = 5; + attr.mq_msgsize = 128; + mq = mq_open(MQNAME, O_CREAT | O_RDWR | O_EXCL, 0666, &attr); + if (mq == (mqd_t) -1) + err(1, "mq_open()"); + status = mq_getattr(mq, &attr); + if (status) + err(1, "mq_getattr()"); + pid = fork(); + if (pid == 0) { /* child */ + int prio, j, i; + char *buf; + + mq_close(mq); + kq = kqueue(); + mq = mq_open(MQNAME, O_RDWR); + if (mq == (mqd_t)-1) + err(1, "child: mq_open"); + EV_SET(&kev, __mq_oshandle(mq), EVFILT_READ, EV_ADD, 0, 0, 0); + status = kevent(kq, &kev, 1, NULL, 0, NULL); + if (status == -1) + err(1, "child: kevent"); + buf = malloc(attr.mq_msgsize); + for (j = 0; j < LOOPS; ++j) { + alarm(3); + status = kevent(kq, NULL, 0, &kev, 1, NULL); + if (status != 1) + err(1, "child: kevent 2"); + status = mq_receive(mq, buf, attr.mq_msgsize, &prio); + if (status == -1) + err(2, "child: mq_receive"); + for (i = 0; i < attr.mq_msgsize; ++i) + if (buf[i] != i) + err(3, "child: message data corrupted"); + if (prio != PRIO) + err(4, "child: priority is incorrect: %d", + prio); + } + alarm(0); + free(buf); + mq_close(mq); + return (0); + } else if (pid == -1) { + err(1, "fork()"); + } else { + char *buf; + int i, j, prio; + + signal(SIGALRM, sighandler); + kq = kqueue(); + EV_SET(&kev, __mq_oshandle(mq), EVFILT_WRITE, EV_ADD, 0, 0, 0); + status = kevent(kq, &kev, 1, NULL, 0, NULL); + if (status == -1) + err(1, "kevent"); + buf = malloc(attr.mq_msgsize); + for (j = 0; j < LOOPS; ++j) { + for (i = 0; i < attr.mq_msgsize; ++i) { + buf[i] = i; + } + alarm(3); + status = kevent(kq, NULL, 0, &kev, 1, NULL); + if (status != 1) + err(1, "child: kevent 2"); + status = mq_send(mq, buf, attr.mq_msgsize, PRIO); + if (status) { + err(2, "mq_send()"); + } + } + free(buf); + alarm(3); + wait(&status); + alarm(0); + } + status = mq_close(mq); + if (status) + err(1, "mq_close"); + mq_unlink(MQNAME); + return (0); +} diff --git a/tools/regression/mqueue/mqtest5/Makefile b/tools/regression/mqueue/mqtest5/Makefile new file mode 100644 index 0000000..d94e541 --- /dev/null +++ b/tools/regression/mqueue/mqtest5/Makefile @@ -0,0 +1,9 @@ +# $FreeBSD$ + +PROG=mqtest5 +DPADD= ${LIBRT} +LDADD= -lrt +MAN= +DEBUG_FLAGS=-g + +.include <bsd.prog.mk> diff --git a/tools/regression/mqueue/mqtest5/mqtest5.c b/tools/regression/mqueue/mqtest5/mqtest5.c new file mode 100644 index 0000000..354a7bb --- /dev/null +++ b/tools/regression/mqueue/mqtest5/mqtest5.c @@ -0,0 +1,122 @@ +/* $FreeBSD$ */ + +#include <sys/types.h> +#include <sys/event.h> +#include <sys/select.h> +#include <sys/wait.h> +#include <err.h> +#include <fcntl.h> +#include <mqueue.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +#define MQNAME "/mytstqueue5" +#define LOOPS 1000 +#define PRIO 10 + +void sighandler(int sig) +{ + write(1, "timeout\n", 8); + _exit(1); +} + +int main() +{ + mqd_t mq; + int status; + struct mq_attr attr; + int pid; + sigset_t set; + struct sigaction sa; + siginfo_t info; + + mq_unlink(MQNAME); + + sigemptyset(&set); + sigaddset(&set, SIGRTMIN); + sigprocmask(SIG_BLOCK, &set, NULL); + sigemptyset(&sa.sa_mask); + sa.sa_flags = SA_SIGINFO; + sa.sa_sigaction = (void *) SIG_DFL; + sigaction(SIGRTMIN, &sa, NULL); + + attr.mq_maxmsg = 5; + attr.mq_msgsize = 128; + mq = mq_open(MQNAME, O_CREAT | O_RDWR | O_EXCL, 0666, &attr); + if (mq == (mqd_t)-1) + err(1, "mq_open()"); + status = mq_getattr(mq, &attr); + if (status) + err(1, "mq_getattr()"); + pid = fork(); + if (pid == 0) { /* child */ + int prio, j, i; + char *buf; + struct sigevent sigev; + + signal(SIGALRM, sighandler); + + sigev.sigev_notify = SIGEV_SIGNAL; + sigev.sigev_signo = SIGRTMIN; + sigev.sigev_value.sival_int = 2; + + mq_close(mq); + mq = mq_open(MQNAME, O_RDWR | O_NONBLOCK); + if (mq == (mqd_t)-1) + err(1, "child: mq_open"); + buf = malloc(attr.mq_msgsize); + for (j = 0; j < LOOPS; ++j) { + alarm(3); + status = mq_notify(mq, &sigev); + if (status) + err(1, "child: mq_notify"); + status = sigwaitinfo(&set, &info); + if (status == -1) + err(1, "child: sigwaitinfo"); + if (info.si_value.sival_int != 2) + err(1, "child: sival_int"); + status = mq_receive(mq, buf, attr.mq_msgsize, &prio); + if (status == -1) + err(2, "child: mq_receive"); + for (i = 0; i < attr.mq_msgsize; ++i) + if (buf[i] != i) + err(3, "child: message data corrupted"); + if (prio != PRIO) + err(4, "child: priority is incorrect: %d", + prio); + } + alarm(0); + free(buf); + mq_close(mq); + return (0); + } else if (pid == -1) { + err(1, "fork()"); + } else { + char *buf; + int i, j, prio; + + signal(SIGALRM, sighandler); + buf = malloc(attr.mq_msgsize); + for (j = 0; j < LOOPS; ++j) { + for (i = 0; i < attr.mq_msgsize; ++i) { + buf[i] = i; + } + alarm(3); + status = mq_send(mq, buf, attr.mq_msgsize, PRIO); + if (status) { + kill(pid, SIGKILL); + err(2, "mq_send()"); + } + } + alarm(3); + wait(&status); + alarm(0); + } + status = mq_close(mq); + if (status) + err(1, "mq_close"); + mq_unlink(MQNAME); + return (0); +} diff --git a/tools/regression/netinet/arphold/arphold.c b/tools/regression/netinet/arphold/arphold.c index 8d694fe..417a2d8 100644 --- a/tools/regression/netinet/arphold/arphold.c +++ b/tools/regression/netinet/arphold/arphold.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2010 Advanced Computing Technologies LLC + * Copyright (c) 2010 Hudson River Trading LLC * Written by George Neville-Neil gnn@freebsd.org * All rights reserved. * diff --git a/tools/regression/posixshm/Makefile b/tools/regression/posixshm/Makefile new file mode 100644 index 0000000..5ef70c9 --- /dev/null +++ b/tools/regression/posixshm/Makefile @@ -0,0 +1,9 @@ +# $FreeBSD$ + +PROG= posixshm +SRCS= posixshm.c test.c +MAN= + +WARNS?= 3 + +.include <bsd.prog.mk> diff --git a/tools/regression/posixshm/posixshm.c b/tools/regression/posixshm/posixshm.c new file mode 100644 index 0000000..6f4c306 --- /dev/null +++ b/tools/regression/posixshm/posixshm.c @@ -0,0 +1,627 @@ +/*- + * Copyright (c) 2006 Robert N. M. Watson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/mman.h> +#include <sys/resource.h> +#include <sys/stat.h> +#include <sys/syscall.h> +#include <sys/wait.h> + +#include <errno.h> +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include "test.h" + +#define TEST_PATH "/tmp/posixshm_regression_test" + +/* + * Attempt a shm_open() that should fail with an expected error of 'error'. + */ +static void +shm_open_should_fail(const char *path, int flags, mode_t mode, int error) +{ + int fd; + + fd = shm_open(path, flags, mode); + if (fd >= 0) { + fail_err("shm_open() didn't fail"); + close(fd); + return; + } + if (errno != error) { + fail_errno("shm_open"); + return; + } + pass(); +} + +/* + * Attempt a shm_unlink() that should fail with an expected error of 'error'. + */ +static void +shm_unlink_should_fail(const char *path, int error) +{ + + if (shm_unlink(path) >= 0) { + fail_err("shm_unlink() didn't fail"); + return; + } + if (errno != error) { + fail_errno("shm_unlink"); + return; + } + pass(); +} + +/* + * Open the test object and write '1' to the first byte. Returns valid fd + * on success and -1 on failure. + */ +static int +scribble_object(void) +{ + char *page; + int fd; + + fd = shm_open(TEST_PATH, O_CREAT | O_EXCL | O_RDWR, 0777); + if (fd < 0 && errno == EEXIST) { + if (shm_unlink(TEST_PATH) < 0) { + fail_errno("shm_unlink"); + return (-1); + } + fd = shm_open(TEST_PATH, O_CREAT | O_EXCL | O_RDWR, 0777); + } + if (fd < 0) { + fail_errno("shm_open"); + return (-1); + } + if (ftruncate(fd, getpagesize()) < 0) { + fail_errno("ftruncate"); + close(fd); + shm_unlink(TEST_PATH); + return (-1); + } + + page = mmap(0, getpagesize(), PROT_READ | PROT_WRITE, MAP_SHARED, fd, + 0); + if (page == MAP_FAILED) { + fail_errno("mmap"); + close(fd); + shm_unlink(TEST_PATH); + return (-1); + } + + page[0] = '1'; + + if (munmap(page, getpagesize()) < 0) { + fail_errno("munmap"); + close(fd); + shm_unlink(TEST_PATH); + return (-1); + } + + return (fd); +} + +static void +remap_object(void) +{ + char *page; + int fd; + + fd = scribble_object(); + if (fd < 0) + return; + + page = mmap(0, getpagesize(), PROT_READ | PROT_WRITE, MAP_SHARED, fd, + 0); + if (page == MAP_FAILED) { + fail_errno("mmap(2)"); + close(fd); + shm_unlink(TEST_PATH); + return; + } + + if (page[0] != '1') { + fail_err("missing data"); + close(fd); + shm_unlink(TEST_PATH); + return; + } + + close(fd); + if (munmap(page, getpagesize()) < 0) { + fail_errno("munmap"); + shm_unlink(TEST_PATH); + return; + } + + if (shm_unlink(TEST_PATH) < 0) { + fail_errno("shm_unlink"); + return; + } + + pass(); +} +TEST(remap_object, "remap object"); + +static void +reopen_object(void) +{ + char *page; + int fd; + + fd = scribble_object(); + if (fd < 0) + return; + close(fd); + + fd = shm_open(TEST_PATH, O_RDONLY, 0777); + if (fd < 0) { + fail_errno("shm_open(2)"); + shm_unlink(TEST_PATH); + return; + } + page = mmap(0, getpagesize(), PROT_READ, MAP_SHARED, fd, 0); + if (page == MAP_FAILED) { + fail_errno("mmap(2)"); + close(fd); + shm_unlink(TEST_PATH); + return; + } + + if (page[0] != '1') { + fail_err("missing data"); + munmap(page, getpagesize()); + close(fd); + shm_unlink(TEST_PATH); + return; + } + + munmap(page, getpagesize()); + close(fd); + shm_unlink(TEST_PATH); + pass(); +} +TEST(reopen_object, "reopen object"); + +static void +readonly_mmap_write(void) +{ + char *page; + int fd; + + fd = shm_open(TEST_PATH, O_RDONLY | O_CREAT, 0777); + if (fd < 0) { + fail_errno("shm_open"); + return; + } + + /* PROT_WRITE should fail with EACCES. */ + page = mmap(0, getpagesize(), PROT_READ | PROT_WRITE, MAP_SHARED, fd, + 0); + if (page != MAP_FAILED) { + fail_err("mmap(PROT_WRITE) succeeded"); + munmap(page, getpagesize()); + close(fd); + shm_unlink(TEST_PATH); + return; + } + if (errno != EACCES) { + fail_errno("mmap"); + close(fd); + shm_unlink(TEST_PATH); + return; + } + + close(fd); + shm_unlink(TEST_PATH); + pass(); +} +TEST(readonly_mmap_write, "RDONLY object"); + +static void +open_after_unlink(void) +{ + int fd; + + fd = shm_open(TEST_PATH, O_RDONLY | O_CREAT, 0777); + if (fd < 0) { + fail_errno("shm_open(1)"); + return; + } + close(fd); + + if (shm_unlink(TEST_PATH) < 0) { + fail_errno("shm_unlink"); + return; + } + + shm_open_should_fail(TEST_PATH, O_RDONLY, 0777, ENOENT); +} +TEST(open_after_unlink, "open after unlink"); + +static void +open_invalid_path(void) +{ + + shm_open_should_fail("blah", O_RDONLY, 0777, EINVAL); +} +TEST(open_invalid_path, "open invalid path"); + +static void +open_write_only(void) +{ + + shm_open_should_fail(TEST_PATH, O_WRONLY, 0777, EINVAL); +} +TEST(open_write_only, "open with O_WRONLY"); + +static void +open_extra_flags(void) +{ + + shm_open_should_fail(TEST_PATH, O_RDONLY | O_DIRECT, 0777, EINVAL); +} +TEST(open_extra_flags, "open with extra flags"); + +static void +open_anon(void) +{ + int fd; + + fd = shm_open(SHM_ANON, O_RDWR, 0777); + if (fd < 0) { + fail_errno("shm_open"); + return; + } + close(fd); + pass(); +} +TEST(open_anon, "open anonymous object"); + +static void +open_anon_readonly(void) +{ + + shm_open_should_fail(SHM_ANON, O_RDONLY, 0777, EINVAL); +} +TEST(open_anon_readonly, "open SHM_ANON with O_RDONLY"); + +static void +open_bad_path_pointer(void) +{ + + shm_open_should_fail((char *)1024, O_RDONLY, 0777, EFAULT); +} +TEST(open_bad_path_pointer, "open bad path pointer"); + +static void +open_path_too_long(void) +{ + char *page; + + page = malloc(MAXPATHLEN + 1); + memset(page, 'a', MAXPATHLEN); + page[MAXPATHLEN] = '\0'; + shm_open_should_fail(page, O_RDONLY, 0777, ENAMETOOLONG); + free(page); +} +TEST(open_path_too_long, "open pathname too long"); + +static void +open_nonexisting_object(void) +{ + + shm_open_should_fail("/notreallythere", O_RDONLY, 0777, ENOENT); +} +TEST(open_nonexisting_object, "open nonexistent object"); + +static void +exclusive_create_existing_object(void) +{ + int fd; + + fd = shm_open("/tmp/notreallythere", O_RDONLY | O_CREAT, 0777); + if (fd < 0) { + fail_errno("shm_open(O_CREAT)"); + return; + } + close(fd); + + shm_open_should_fail("/tmp/notreallythere", O_RDONLY | O_CREAT | O_EXCL, + 0777, EEXIST); + + shm_unlink("/tmp/notreallythere"); +} +TEST(exclusive_create_existing_object, "O_EXCL of existing object"); + +static void +trunc_resets_object(void) +{ + struct stat sb; + int fd; + + /* Create object and set size to 1024. */ + fd = shm_open(TEST_PATH, O_RDWR | O_CREAT, 0777); + if (fd < 0) { + fail_errno("shm_open(1)"); + return; + } + if (ftruncate(fd, 1024) < 0) { + fail_errno("ftruncate"); + close(fd); + return; + } + if (fstat(fd, &sb) < 0) { + fail_errno("fstat(1)"); + close(fd); + return; + } + if (sb.st_size != 1024) { + fail_err("size %d != 1024", (int)sb.st_size); + close(fd); + return; + } + close(fd); + + /* Open with O_TRUNC which should reset size to 0. */ + fd = shm_open(TEST_PATH, O_RDWR | O_TRUNC, 0777); + if (fd < 0) { + fail_errno("shm_open(2)"); + return; + } + if (fstat(fd, &sb) < 0) { + fail_errno("fstat(2)"); + close(fd); + return; + } + if (sb.st_size != 0) { + fail_err("size after O_TRUNC %d != 0", (int)sb.st_size); + close(fd); + return; + } + close(fd); + if (shm_unlink(TEST_PATH) < 0) { + fail_errno("shm_unlink"); + return; + } + pass(); +} +TEST(trunc_resets_object, "O_TRUNC resets size"); + +static void +unlink_bad_path_pointer(void) +{ + + shm_unlink_should_fail((char *)1024, EFAULT); +} +TEST(unlink_bad_path_pointer, "unlink bad path pointer"); + +static void +unlink_path_too_long(void) +{ + char *page; + + page = malloc(MAXPATHLEN + 1); + memset(page, 'a', MAXPATHLEN); + page[MAXPATHLEN] = '\0'; + shm_unlink_should_fail(page, ENAMETOOLONG); + free(page); +} +TEST(unlink_path_too_long, "unlink pathname too long"); + +static void +test_object_resize(void) +{ + pid_t pid; + struct stat sb; + char *page; + int fd, status; + + /* Start off with a size of a single page. */ + fd = shm_open(SHM_ANON, O_CREAT | O_RDWR, 0777); + if (fd < 0) { + fail_errno("shm_open"); + return; + } + if (ftruncate(fd, getpagesize()) < 0) { + fail_errno("ftruncate(1)"); + close(fd); + return; + } + if (fstat(fd, &sb) < 0) { + fail_errno("fstat(1)"); + close(fd); + return; + } + if (sb.st_size != getpagesize()) { + fail_err("first resize failed"); + close(fd); + return; + } + + /* Write a '1' to the first byte. */ + page = mmap(0, getpagesize(), PROT_READ | PROT_WRITE, MAP_SHARED, fd, + 0); + if (page == MAP_FAILED) { + fail_errno("mmap(1)"); + close(fd); + return; + } + + page[0] = '1'; + + if (munmap(page, getpagesize()) < 0) { + fail_errno("munmap(1)"); + close(fd); + return; + } + + /* Grow the object to 2 pages. */ + if (ftruncate(fd, getpagesize() * 2) < 0) { + fail_errno("ftruncate(2)"); + close(fd); + return; + } + if (fstat(fd, &sb) < 0) { + fail_errno("fstat(2)"); + close(fd); + return; + } + if (sb.st_size != getpagesize() * 2) { + fail_err("second resize failed"); + close(fd); + return; + } + + /* Check for '1' at the first byte. */ + page = mmap(0, getpagesize() * 2, PROT_READ | PROT_WRITE, MAP_SHARED, + fd, 0); + if (page == MAP_FAILED) { + fail_errno("mmap(2)"); + close(fd); + return; + } + + if (page[0] != '1') { + fail_err("missing data at 0"); + close(fd); + return; + } + + /* Write a '2' at the start of the second page. */ + page[getpagesize()] = '2'; + + /* Shrink the object back to 1 page. */ + if (ftruncate(fd, getpagesize()) < 0) { + fail_errno("ftruncate(3)"); + close(fd); + return; + } + if (fstat(fd, &sb) < 0) { + fail_errno("fstat(3)"); + close(fd); + return; + } + if (sb.st_size != getpagesize()) { + fail_err("third resize failed"); + close(fd); + return; + } + + /* + * Fork a child process to make sure the second page is no + * longer valid. + */ + pid = fork(); + if (pid < 0) { + fail_errno("fork"); + close(fd); + return; + } + + if (pid == 0) { + struct rlimit lim; + char c; + + /* Don't generate a core dump. */ + getrlimit(RLIMIT_CORE, &lim); + lim.rlim_cur = 0; + setrlimit(RLIMIT_CORE, &lim); + + /* + * The previous ftruncate(2) shrunk the backing object + * so that this address is no longer valid, so reading + * from it should trigger a SIGSEGV. + */ + c = page[getpagesize()]; + fprintf(stderr, "child: page 1: '%c'\n", c); + exit(0); + } + if (wait(&status) < 0) { + fail_errno("wait"); + close(fd); + return; + } + if (!WIFSIGNALED(status) || WTERMSIG(status) != SIGSEGV) { + fail_err("child terminated with status %x", status); + close(fd); + return; + } + + /* Grow the object back to 2 pages. */ + if (ftruncate(fd, getpagesize() * 2) < 0) { + fail_errno("ftruncate(4)"); + close(fd); + return; + } + if (fstat(fd, &sb) < 0) { + fail_errno("fstat(4)"); + close(fd); + return; + } + if (sb.st_size != getpagesize() * 2) { + fail_err("second resize failed"); + close(fd); + return; + } + + /* + * Note that the mapping at 'page' for the second page is + * still valid, and now that the shm object has been grown + * back up to 2 pages, there is now memory backing this page + * so the read will work. However, the data should be zero + * rather than '2' as the old data was thrown away when the + * object was shrunk and the new pages when an object are + * grown are zero-filled. + */ + if (page[getpagesize()] != 0) { + fail_err("invalid data at %d", getpagesize()); + close(fd); + return; + } + + close(fd); + pass(); +} +TEST(test_object_resize, "object resize"); + +int +main(int argc, char *argv[]) +{ + + run_tests(); + return (0); +} diff --git a/tools/regression/posixshm/posixshm.t b/tools/regression/posixshm/posixshm.t new file mode 100644 index 0000000..a2159ac --- /dev/null +++ b/tools/regression/posixshm/posixshm.t @@ -0,0 +1,5 @@ +#!/bin/sh +# +# $FreeBSD$ + +./posixshm diff --git a/tools/regression/posixshm/test.c b/tools/regression/posixshm/test.c new file mode 100644 index 0000000..8583a0d --- /dev/null +++ b/tools/regression/posixshm/test.c @@ -0,0 +1,128 @@ +/*- + * Copyright (c) 2008 Yahoo!, Inc. + * All rights reserved. + * Written by: John Baldwin <jhb@FreeBSD.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the author nor the names of any co-contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <stdarg.h> +#include <stdio.h> + +#include "test.h" + +static int test_index; +static struct regression_test *test; +static int test_acknowleged; + +SET_DECLARE(regression_tests_set, struct regression_test); + +/* + * Outputs a test summary of the following: + * + * <status> <test #> [name] [# <fmt> [fmt args]] + */ +static void +vprint_status(const char *status, const char *fmt, va_list ap) +{ + + printf("%s %d", status, test_index); + if (test->rt_name) + printf(" - %s", test->rt_name); + if (fmt) { + printf(" # "); + vprintf(fmt, ap); + } + printf("\n"); + test_acknowleged = 1; +} + +static void +print_status(const char *status, const char *fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + vprint_status(status, fmt, ap); + va_end(ap); +} + +void +pass(void) +{ + + print_status("ok", NULL); +} + +void +fail(void) +{ + + print_status("not ok", NULL); +} + +void +fail_err(const char *fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + vprint_status("not ok", fmt, ap); + va_end(ap); +} + +void +skip(const char *reason) +{ + + print_status("ok", "skip %s", reason); +} + +void +todo(const char *reason) +{ + + print_status("not ok", "TODO %s", reason); +} + +void +run_tests(void) +{ + struct regression_test **testp; + + printf("1..%td\n", SET_COUNT(regression_tests_set)); + test_index = 1; + SET_FOREACH(testp, regression_tests_set) { + test_acknowleged = 0; + test = *testp; + test->rt_function(); + if (!test_acknowleged) + print_status("not ok", "unknown status"); + test_index++; + } +} diff --git a/tools/regression/posixshm/test.h b/tools/regression/posixshm/test.h new file mode 100644 index 0000000..505679b --- /dev/null +++ b/tools/regression/posixshm/test.h @@ -0,0 +1,59 @@ +/*- + * Copyright (c) 2008 Yahoo!, Inc. + * All rights reserved. + * Written by: John Baldwin <jhb@FreeBSD.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the author nor the names of any co-contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef __TEST_H__ +#define __TEST_H__ + +#include <sys/linker_set.h> + +struct regression_test { + void (*rt_function)(void); + const char *rt_name; +}; + +#define TEST(function, name) \ + static struct regression_test _regtest_##function = { \ + (function), \ + (name) \ + }; \ + DATA_SET(regression_tests_set, _regtest_##function) + +void fail(void); +void fail_err(const char *fmt, ...); +void pass(void); +void run_tests(void); +void skip(const char *reason); +void todo(const char *reason); + +#define fail_errno(tag) fail_err("%s: %s", (tag), strerror(errno)) + +#endif /* !__TEST_H__ */ diff --git a/tools/regression/sockets/accept_fd_leak/Makefile b/tools/regression/sockets/accept_fd_leak/Makefile new file mode 100644 index 0000000..e9bfba6 --- /dev/null +++ b/tools/regression/sockets/accept_fd_leak/Makefile @@ -0,0 +1,9 @@ +# +# $FreeBSD$ +# + +PROG= accept_fd_leak +MAN= +WARNS?= 6 + +.include <bsd.prog.mk> diff --git a/tools/regression/sockets/accept_fd_leak/accept_fd_leak.c b/tools/regression/sockets/accept_fd_leak/accept_fd_leak.c new file mode 100644 index 0000000..659c22d --- /dev/null +++ b/tools/regression/sockets/accept_fd_leak/accept_fd_leak.c @@ -0,0 +1,215 @@ +/*- + * Copyright (c) 2004 Robert N. M. Watson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/param.h> +#include <sys/socket.h> +#include <sys/wait.h> + +#include <netinet/in.h> + +#include <err.h> +#include <errno.h> +#include <fcntl.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#define BIND_ATTEMPTS 10 +#define LOOPS 500 +#define NUM_ATTEMPTS 1000 + +static volatile int quit; + +static void +child_died(int sig __unused) +{ + + quit = 1; +} + +/* + * This test is intended to detect a leak of a file descriptor in the process + * following a failed non-blocking accept. It measures an available fd + * baseline, then performs 1000 failing accepts, then checks to see what the + * next fd is. It relies on sequential fd allocation, and will test for it + * briefly before beginning (not 100% reliable, but a good start). + */ +int +main(void) +{ + struct sockaddr_in sin; + socklen_t size; + pid_t child; + int fd1, fd2, fd3, i, listen_port, s, status; + + printf("1..2\n"); + + /* + * Check for sequential fd allocation, and give up early if not. + */ + fd1 = dup(STDIN_FILENO); + fd2 = dup(STDIN_FILENO); + if (fd2 != fd1 + 1) + errx(-1, "Non-sequential fd allocation\n"); + + s = socket(PF_INET, SOCK_STREAM, 0); + if (s == -1) + errx(-1, "socket: %s", strerror(errno)); + + bzero(&sin, sizeof(sin)); + sin.sin_len = sizeof(sin); + sin.sin_family = AF_INET; + sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK); + + srandomdev(); + + for (i = 0; i < BIND_ATTEMPTS; i++) { + /* Pick a random unprivileged port 1025-65535 */ + listen_port = MAX((int)random() % 65535, 1025); + sin.sin_port = htons(listen_port); + if (bind(s, (struct sockaddr *)&sin, sizeof(sin)) == 0) + break; + warn("bind with %d failed", listen_port); + usleep(1000); + } + if (i >= BIND_ATTEMPTS) { + printf("Bail out!\n"); + exit(1); + } + + if (listen(s, -1) != 0) + errx(-1, "listen: %s", strerror(errno)); + + i = fcntl(s, F_GETFL); + if (i == -1) + errx(-1, "ioctl(F_GETFL): %s", strerror(errno)); + i |= O_NONBLOCK; + if (fcntl(s, F_SETFL, i) != 0) + errx(-1, "ioctl(F_SETFL): %s", strerror(errno)); + i = fcntl(s, F_GETFL); + if (i == -1) + errx(-1, "ioctl(F_GETFL): %s", strerror(errno)); + if ((i & O_NONBLOCK) != O_NONBLOCK) + errx(-1, "Failed to set O_NONBLOCK (i=0x%x)\n", i); + + for (i = 0; i < LOOPS; i++) { + size = sizeof(sin); + if (accept(s, (struct sockaddr *)&sin, &size) != -1) + errx(-1, "accept succeeded\n"); + if (errno != EAGAIN) + errx(-1, "accept: %s", strerror(errno)); + } + + /* + * Allocate a file descriptor and make sure it's fd2+2. 2 because + * we allocate an fd for the socket. + */ + fd3 = dup(STDIN_FILENO); + if (fd3 != fd2 + 2) + printf("not ok 1 - (%d, %d, %d)\n", fd1, fd2, fd3); + else + printf("ok 1\n"); + + /* + * Try failing accept's w/o non-blocking where the destination + * address pointer is invalid. + */ + close(fd3); + signal(SIGCHLD, child_died); + child = fork(); + if (child < 0) + errx(-1, "fork: %s", strerror(errno)); + + /* + * Child process does `NUM_ATTEMPTS` connects. + */ + if (child == 0) { + close(fd1); + close(fd2); + close(s); + + bzero(&sin, sizeof(sin)); + sin.sin_len = sizeof(sin); + sin.sin_family = AF_INET; + sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK); + sin.sin_port = htons(listen_port); + + for (i = 0; i < NUM_ATTEMPTS; i++) { + s = socket(PF_INET, SOCK_STREAM, 0); + if (s == -1) + errx(-1, "socket: %s", strerror(errno)); + if (connect(s, (struct sockaddr *)&sin, + sizeof(sin)) < 0) + errx(-1, "connect: %s", strerror(errno)); + close(s); + } + _exit(0); + } + + /* Reset back to a blocking socket. */ + i = fcntl(s, F_GETFL); + if (i == -1) + errx(-1, "ioctl(F_GETFL): %s", strerror(errno)); + i &= ~O_NONBLOCK; + if (fcntl(s, F_SETFL, i) != 0) + errx(-1, "ioctl(F_SETFL): %s", strerror(errno)); + i = fcntl(s, F_GETFL); + if (i == -1) + errx(-1, "ioctl(F_GETFL): %s", strerror(errno)); + if (i & O_NONBLOCK) + errx(-1, "Failed to clear O_NONBLOCK (i=0x%x)\n", i); + + /* Do `NUM_ATTEMPTS` accepts with an invalid pointer. */ + for (i = 0; !quit && i < NUM_ATTEMPTS; i++) { + size = sizeof(sin); + if (accept(s, (struct sockaddr *)(uintptr_t)(0x100), + &size) != -1) + errx(-1, "accept succeeded\n"); + if (errno != EFAULT) + errx(-1, "accept: %s", strerror(errno)); + } + + if (waitpid(child, &status, 0) < 0) + errx(-1, "waitpid: %s", strerror(errno)); + if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) + warnx("child process died"); + + /* + * Allocate a file descriptor and make sure it's fd2+2. 2 because + * we allocate an fd for the socket. + */ + fd3 = dup(STDIN_FILENO); + if (fd3 != fd2 + 2) + printf("not ok 2 - (%d, %d, %d)\n", fd1, fd2, fd3); + else + printf("ok 2\n"); + + return (0); +} diff --git a/tools/regression/sockets/accept_fd_leak/accept_fd_leak.t b/tools/regression/sockets/accept_fd_leak/accept_fd_leak.t new file mode 100644 index 0000000..8bdfd03 --- /dev/null +++ b/tools/regression/sockets/accept_fd_leak/accept_fd_leak.t @@ -0,0 +1,10 @@ +#!/bin/sh +# $FreeBSD$ + +cd `dirname $0` + +executable=`basename $0 .t` + +make $executable 2>&1 > /dev/null + +exec ./$executable diff --git a/tools/regression/sockets/accf_data_attach/Makefile b/tools/regression/sockets/accf_data_attach/Makefile new file mode 100644 index 0000000..4d33728 --- /dev/null +++ b/tools/regression/sockets/accf_data_attach/Makefile @@ -0,0 +1,9 @@ +# +# $FreeBSD$ +# + +PROG= accf_data_attach +MAN= +WARNS?= 6 + +.include <bsd.prog.mk> diff --git a/tools/regression/sockets/accf_data_attach/accf_data_attach.c b/tools/regression/sockets/accf_data_attach/accf_data_attach.c new file mode 100644 index 0000000..59ea68c --- /dev/null +++ b/tools/regression/sockets/accf_data_attach/accf_data_attach.c @@ -0,0 +1,216 @@ +/*- + * Copyright (c) 2004 Robert N. M. Watson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/types.h> +#include <sys/socket.h> + +#include <netinet/in.h> + +#include <err.h> +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#define ACCF_NAME "dataready" + +/* + * A number of small tests to confirm that attaching ACCF_DATA accept filters + * to inet4 ports works as expected. We test: + * + * - That no accept filter is attached on a newly created socket. + * - That bind() has no affect on the accept filter state. + * - That we can't attach an accept filter to a socket that isn't in the + * listen state. + * - That after we fail to attach the filter, querying the kernel shows no + * filter attached. + * - That we can attach an accept filter to a socket that is in the listen + * state. + * - That once an accept filter is attached, we can query to make sure it is + * attached. + * - That once an accept filter is attached, we can remove it and query to + * make sure it is removed. + */ +int +main(void) +{ + struct accept_filter_arg afa; + struct sockaddr_in sin; + socklen_t len; + int lso, ret; + + printf("1..11\n"); + + /* + * Step 0. Open socket(). + */ + lso = socket(PF_INET, SOCK_STREAM, 0); + if (lso == -1) + errx(-1, "not ok 1 - socket: %s", strerror(errno)); + printf("ok 1 - socket\n"); + + /* + * Step 1. After socket(). Should return EINVAL, since no accept + * filter should be attached. + */ + bzero(&afa, sizeof(afa)); + len = sizeof(afa); + ret = getsockopt(lso, SOL_SOCKET, SO_ACCEPTFILTER, &afa, &len); + if (ret != -1) + errx(-1, "not ok 2 - getsockopt() after socket() succeeded"); + if (errno != EINVAL) + errx(-1, "not ok 2 - getsockopt() after socket() failed with " + "%d (%s)", errno, strerror(errno)); + printf("ok 2 - getsockopt\n"); + + /* + * Step 2. Bind(). Ideally this will succeed. + */ + bzero(&sin, sizeof(sin)); + sin.sin_len = sizeof(sin); + sin.sin_family = AF_INET; + sin.sin_port = htons(8080); + sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK); + if (bind(lso, (struct sockaddr *)&sin, sizeof(sin)) < 0) + errx(-1, "not ok 3 - bind %s", strerror(errno)); + printf("ok 3 - bind\n"); + + /* + * Step 3: After bind(). getsockopt() should return EINVAL, since no + * accept filter should be attached. + */ + len = sizeof(afa); + ret = getsockopt(lso, SOL_SOCKET, SO_ACCEPTFILTER, &afa, &len); + if (ret != -1) + errx(-1, "not ok 4 - getsockopt() after bind() succeeded"); + if (errno != EINVAL) + errx(-1, "not ok 4 - getsockopt() after bind() failed with %d (%s)", + errno, strerror(errno)); + printf("ok 4 - getsockopt\n"); + + /* + * Step 4: Setsockopt() before listen(). Should fail, since it's not + * yet a listen() socket. + */ + bzero(&afa, sizeof(afa)); + strcpy(afa.af_name, ACCF_NAME); + ret = setsockopt(lso, SOL_SOCKET, SO_ACCEPTFILTER, &afa, sizeof(afa)); + if (ret == 0) + errx(-1, "not ok 5 - setsockopt() before listen() succeeded"); + printf("ok 5 - setsockopt\n"); + + /* + * Step 5: Getsockopt() after pre-listen() setsockopt(). Should + * fail with EINVAL, since setsockopt() should have failed. + */ + len = sizeof(afa); + ret = getsockopt(lso, SOL_SOCKET, SO_ACCEPTFILTER, &afa, &len); + if (ret == 0) + errx(-1, "not ok 6 - getsockopt() after pre-listen() setsockopt() " + "succeeded"); + if (errno != EINVAL) + errx(-1, "not ok 6 - pre-listen() getsockopt() failed with %d (%s)", + errno, strerror(errno)); + printf("ok 6 - getsockopt\n"); + + /* + * Step 6: listen(). + */ + if (listen(lso, -1) < 0) + errx(-1, "not ok 7 - listen: %s", strerror(errno)); + printf("ok 7 - listen\n"); + + /* + * Step 7: Getsockopt() after listen(). Should fail with EINVAL, + * since we have not installed accept filter yet. + */ + len = sizeof(afa); + ret = getsockopt(lso, SOL_SOCKET, SO_ACCEPTFILTER, &afa, &len); + if (ret == 0) + errx(-1, "not ok 8 - getsockopt() after listen() but before " + "setsockopt() succeeded"); + if (errno != EINVAL) + errx(-1, "not ok 8 - getsockopt() after listen() but before " + "setsockopt() failed with %d (%s)", errno, strerror(errno)); + printf("ok 8 - getsockopt\n"); + + /* + * Step 8: After listen(). This call to setsockopt() should succeed. + */ + bzero(&afa, sizeof(afa)); + strcpy(afa.af_name, ACCF_NAME); + ret = setsockopt(lso, SOL_SOCKET, SO_ACCEPTFILTER, &afa, sizeof(afa)); + if (ret != 0) + errx(-1, "not ok 9 - setsockopt() after listen() failed with %d " + "(%s)", errno, strerror(errno)); + printf("ok 9 - setsockopt\n"); + + /* + * Step 9: After setsockopt(). Should succeed and identify + * ACCF_NAME. + */ + bzero(&afa, sizeof(afa)); + len = sizeof(afa); + ret = getsockopt(lso, SOL_SOCKET, SO_ACCEPTFILTER, &afa, &len); + if (ret != 0) + errx(-1, "not ok 10 - getsockopt() after listen() setsockopt() " + "failed with %d (%s)", errno, strerror(errno)); + if (len != sizeof(afa)) + errx(-1, "not ok 10 - getsockopt() after setsockopet() after " + "listen() returned wrong size (got %d expected %zd)", len, + sizeof(afa)); + if (strcmp(afa.af_name, ACCF_NAME) != 0) + errx(-1, "not ok 10 - getsockopt() after setsockopt() after " + "listen() mismatch (got %s expected %s)", afa.af_name, + ACCF_NAME); + printf("ok 10 - getsockopt\n"); + + /* + * Step 10: Remove accept filter. After removing the accept filter + * getsockopt() should fail with EINVAL. + */ + ret = setsockopt(lso, SOL_SOCKET, SO_ACCEPTFILTER, NULL, 0); + if (ret != 0) + errx(-1, "not ok 11 - setsockopt() after listen() " + "failed with %d (%s)", errno, strerror(errno)); + bzero(&afa, sizeof(afa)); + len = sizeof(afa); + ret = getsockopt(lso, SOL_SOCKET, SO_ACCEPTFILTER, &afa, &len); + if (ret == 0) + errx(-1, "not ok 11 - getsockopt() after removing " + "the accept filter returns valid accept filter %s", + afa.af_name); + if (errno != EINVAL) + errx(-1, "not ok 11 - getsockopt() after removing the accept" + "filter failed with %d (%s)", errno, strerror(errno)); + printf("ok 11 - setsockopt\n"); + + close(lso); + return (0); +} diff --git a/tools/regression/sockets/accf_data_attach/accf_data_attach.t b/tools/regression/sockets/accf_data_attach/accf_data_attach.t new file mode 100644 index 0000000..8bdfd03 --- /dev/null +++ b/tools/regression/sockets/accf_data_attach/accf_data_attach.t @@ -0,0 +1,10 @@ +#!/bin/sh +# $FreeBSD$ + +cd `dirname $0` + +executable=`basename $0 .t` + +make $executable 2>&1 > /dev/null + +exec ./$executable diff --git a/tools/regression/sockets/fstat/Makefile b/tools/regression/sockets/fstat/Makefile new file mode 100644 index 0000000..a583166 --- /dev/null +++ b/tools/regression/sockets/fstat/Makefile @@ -0,0 +1,9 @@ +# +# $FreeBSD$ +# + +PROG= fstat +MAN= +WARNS?= 6 + +.include <bsd.prog.mk> diff --git a/tools/regression/sockets/fstat/fstat.c b/tools/regression/sockets/fstat/fstat.c new file mode 100644 index 0000000..6ea931d --- /dev/null +++ b/tools/regression/sockets/fstat/fstat.c @@ -0,0 +1,71 @@ +/*- + * Copyright (c) 2008 Robert N. M. Watson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/stat.h> + +#include <err.h> +#include <unistd.h> + +/* + * Basic test to make sure that fstat(2) returns success on various socket + * types. In the future we should also validate the fields, confirming + * expected results such as the effect of shutdown(2) on permissions, etc. + */ + +static void +dotest(int domain, int type, int protocol) +{ + struct stat sb; + int sock; + + sock = socket(domain, type, protocol); + if (sock < 0) + err(-1, "socket(%d, %d, %d)", domain, type, protocol); + + if (fstat(sock, &sb) < 0) + err(-1, "fstat on socket(%d, %d, %d)", domain, type, + protocol); + + close(sock); +} + +int +main(void) +{ + + dotest(PF_INET, SOCK_DGRAM, 0); + dotest(PF_INET, SOCK_STREAM, 0); + dotest(PF_INET6, SOCK_DGRAM, 0); + dotest(PF_INET6, SOCK_STREAM, 0); + dotest(PF_LOCAL, SOCK_DGRAM, 0); + dotest(PF_LOCAL, SOCK_STREAM, 0); + + return (0); +} diff --git a/tools/regression/sockets/kqueue/Makefile b/tools/regression/sockets/kqueue/Makefile new file mode 100644 index 0000000..6771d25 --- /dev/null +++ b/tools/regression/sockets/kqueue/Makefile @@ -0,0 +1,9 @@ +# +# $FreeBSD$ +# + +PROG= kqueue +MAN= +WARNS?= 6 + +.include <bsd.prog.mk> diff --git a/tools/regression/sockets/kqueue/kqueue.c b/tools/regression/sockets/kqueue/kqueue.c new file mode 100644 index 0000000..f73704a --- /dev/null +++ b/tools/regression/sockets/kqueue/kqueue.c @@ -0,0 +1,368 @@ +/*- + * Copyright (c) 2004 Robert N. M. Watson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/types.h> +#include <sys/event.h> +#include <sys/socket.h> +#include <sys/time.h> + +#include <errno.h> +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +static int curtest = 1; + +/*- + * This test uses UNIX domain socket pairs to perform some basic exercising + * of kqueue functionality on sockets. In particular, testing that for read + * and write filters, we see the correct detection of whether reads and + * writes should actually be able to occur. + * + * TODO: + * - Test read/write filters for listen/accept sockets. + * - Handle the XXXRW below regarding datagram sockets. + * - Test that watermark/buffer size "data" fields returned by kqueue are + * correct. + * - Check that kqueue does something sensible when the remote endpoing is + * closed. + */ + +#define OK(testname) printf("ok %d - %s\n", curtest, testname); \ + curtest++; + +static void +fail(int error, const char *func, const char *socktype, const char *rest) +{ + + printf("not ok %d\n", curtest); + + if (socktype == NULL) + printf("# %s(): %s\n", func, strerror(error)); + else if (rest == NULL) + printf("# %s(%s): %s\n", func, socktype, + strerror(error)); + else + printf("# %s(%s, %s): %s\n", func, socktype, rest, + strerror(error)); + exit(-1); +} + +static void +fail_assertion(const char *func, const char *socktype, const char *rest, + const char *assertion) +{ + + printf("not ok %d - %s\n", curtest, assertion); + + if (socktype == NULL) + printf("# %s(): assertion %s failed\n", func, + assertion); + else if (rest == NULL) + printf("# %s(%s): assertion %s failed\n", func, + socktype, assertion); + else + printf("# %s(%s, %s): assertion %s failed\n", func, + socktype, rest, assertion); + exit(-1); +} + +/* + * Test read kevent on a socket pair: check to make sure endpoint 0 isn't + * readable when we start, then write to endpoint 1 and confirm that endpoint + * 0 is now readable. Drain the write, then check that it's not readable + * again. Use non-blocking kqueue operations and socket operations. + */ +static void +test_evfilt_read(int kq, int fd[2], const char *socktype) +{ + struct timespec ts; + struct kevent ke; + ssize_t len; + char ch; + int i; + + EV_SET(&ke, fd[0], EVFILT_READ, EV_ADD, 0, 0, NULL); + if (kevent(kq, &ke, 1, NULL, 0, NULL) == -1) + fail(errno, "kevent", socktype, "EVFILT_READ, EV_ADD"); + OK("EVFILT_READ, EV_ADD"); + + /* + * Confirm not readable to begin with, no I/O yet. + */ + ts.tv_sec = 0; + ts.tv_nsec = 0; + i = kevent(kq, NULL, 0, &ke, 1, &ts); + if (i == -1) + fail(errno, "kevent", socktype, "EVFILT_READ"); + OK("EVFILT_READ"); + if (i != 0) + fail_assertion("kevent", socktype, "EVFILT_READ", + "empty socket unreadable"); + OK("empty socket unreadable"); + + /* + * Write a byte to one end. + */ + ch = 'a'; + len = write(fd[1], &ch, sizeof(ch)); + if (len == -1) + fail(errno, "write", socktype, NULL); + OK("write one byte"); + if (len != sizeof(ch)) + fail_assertion("write", socktype, NULL, "write length"); + OK("write one byte length"); + + /* + * Other end should now be readable. + */ + ts.tv_sec = 0; + ts.tv_nsec = 0; + i = kevent(kq, NULL, 0, &ke, 1, &ts); + if (i == -1) + fail(errno, "kevent", socktype, "EVFILT_READ"); + OK("EVFILT_READ"); + if (i != 1) + fail_assertion("kevent", socktype, "EVFILT_READ", + "non-empty socket unreadable"); + OK("non-empty socket unreadable"); + + /* + * Read a byte to clear the readable state. + */ + len = read(fd[0], &ch, sizeof(ch)); + if (len == -1) + fail(errno, "read", socktype, NULL); + OK("read one byte"); + if (len != sizeof(ch)) + fail_assertion("read", socktype, NULL, "read length"); + OK("read one byte length"); + + /* + * Now re-check for readability. + */ + ts.tv_sec = 0; + ts.tv_nsec = 0; + i = kevent(kq, NULL, 0, &ke, 1, &ts); + if (i == -1) + fail(errno, "kevent", socktype, "EVFILT_READ"); + OK("EVFILT_READ"); + if (i != 0) + fail_assertion("kevent", socktype, "EVFILT_READ", + "empty socket unreadable"); + OK("empty socket unreadable"); + + EV_SET(&ke, fd[0], EVFILT_READ, EV_DELETE, 0, 0, NULL); + if (kevent(kq, &ke, 1, NULL, 0, NULL) == -1) + fail(errno, "kevent", socktype, "EVFILT_READ, EV_DELETE"); + OK("EVFILT_READ, EV_DELETE"); +} + +static void +test_evfilt_write(int kq, int fd[2], const char *socktype) +{ + struct timespec ts; + struct kevent ke; + ssize_t len; + char ch; + int i; + + EV_SET(&ke, fd[0], EVFILT_WRITE, EV_ADD, 0, 0, NULL); + if (kevent(kq, &ke, 1, NULL, 0, NULL) == -1) + fail(errno, "kevent", socktype, "EVFILT_WRITE, EV_ADD"); + OK("EVFILE_WRITE, EV_ADD"); + + /* + * Confirm writable to begin with, no I/O yet. + */ + ts.tv_sec = 0; + ts.tv_nsec = 0; + i = kevent(kq, NULL, 0, &ke, 1, &ts); + if (i == -1) + fail(errno, "kevent", socktype, "EVFILT_WRITE"); + OK("EVFILE_WRITE"); + if (i != 1) + fail_assertion("kevent", socktype, "EVFILT_WRITE", + "empty socket unwritable"); + OK("empty socket unwritable"); + + /* + * Write bytes into the socket until we can't write anymore. + */ + ch = 'a'; + while ((len = write(fd[0], &ch, sizeof(ch))) == sizeof(ch)) {}; + if (len == -1 && errno != EAGAIN && errno != ENOBUFS) + fail(errno, "write", socktype, NULL); + OK("write"); + if (len != -1 && len != sizeof(ch)) + fail_assertion("write", socktype, NULL, "write length"); + OK("write length"); + + /* + * Check to make sure the socket is no longer writable. + */ + ts.tv_sec = 0; + ts.tv_nsec = 0; + i = kevent(kq, NULL, 0, &ke, 1, &ts); + if (i == -1) + fail(errno, "kevent", socktype, "EVFILT_WRITE"); + OK("EVFILT_WRITE"); + if (i != 0) + fail_assertion("kevent", socktype, "EVFILT_WRITE", + "full socket writable"); + OK("full socket writable"); + + EV_SET(&ke, fd[0], EVFILT_WRITE, EV_DELETE, 0, 0, NULL); + if (kevent(kq, &ke, 1, NULL, 0, NULL) == -1) + fail(errno, "kevent", socktype, "EVFILT_WRITE, EV_DELETE"); + OK("EVFILT_WRITE, EV_DELETE"); +} + +/* + * Basic registration exercise for kqueue(2). Create several types/brands of + * sockets, and confirm that we can register for various events on them. + */ +int +main(void) +{ + int kq, sv[2]; + + printf("1..49\n"); + + kq = kqueue(); + if (kq == -1) + fail(errno, "kqueue", NULL, NULL); + OK("kqueue()"); + + /* + * Create a UNIX domain datagram socket, and attach/test/detach a + * read filter on it. + */ + if (socketpair(PF_UNIX, SOCK_DGRAM, 0, sv) == -1) + fail(errno, "socketpair", "PF_UNIX, SOCK_DGRAM", NULL); + OK("socketpair() 1"); + + if (fcntl(sv[0], F_SETFL, O_NONBLOCK) != 0) + fail(errno, "fcntl", "PF_UNIX, SOCK_DGRAM", "O_NONBLOCK"); + OK("fcntl() 1"); + if (fcntl(sv[1], F_SETFL, O_NONBLOCK) != 0) + fail(errno, "fcntl", "PF_UNIX, SOCK_DGRAM", "O_NONBLOCK"); + OK("fnctl() 2"); + + test_evfilt_read(kq, sv, "PF_UNIX, SOCK_DGRAM"); + + if (close(sv[0]) == -1) + fail(errno, "close", "PF_UNIX/SOCK_DGRAM", "sv[0]"); + OK("close() 1"); + if (close(sv[1]) == -1) + fail(errno, "close", "PF_UNIX/SOCK_DGRAM", "sv[1]"); + OK("close() 2"); + +#if 0 + /* + * XXXRW: We disable the write test in the case of datagram sockets, + * as kqueue can't tell when the remote socket receive buffer is + * full, whereas the UNIX domain socket implementation can tell and + * returns ENOBUFS. + */ + /* + * Create a UNIX domain datagram socket, and attach/test/detach a + * write filter on it. + */ + if (socketpair(PF_UNIX, SOCK_DGRAM, 0, sv) == -1) + fail(errno, "socketpair", "PF_UNIX, SOCK_DGRAM", NULL); + + if (fcntl(sv[0], F_SETFL, O_NONBLOCK) != 0) + fail(errno, "fcntl", "PF_UNIX, SOCK_DGRAM", "O_NONBLOCK"); + if (fcntl(sv[1], F_SETFL, O_NONBLOCK) != 0) + fail(errno, "fcntl", "PF_UNIX, SOCK_DGRAM", "O_NONBLOCK"); + + test_evfilt_write(kq, sv, "PF_UNIX, SOCK_DGRAM"); + + if (close(sv[0]) == -1) + fail(errno, "close", "PF_UNIX/SOCK_DGRAM", "sv[0]"); + if (close(sv[1]) == -1) + fail(errno, "close", "PF_UNIX/SOCK_DGRAM", "sv[1]"); +#endif + + /* + * Create a UNIX domain stream socket, and attach/test/detach a + * read filter on it. + */ + if (socketpair(PF_UNIX, SOCK_STREAM, 0, sv) == -1) + fail(errno, "socketpair", "PF_UNIX, SOCK_STREAM", NULL); + OK("socketpair() 2"); + + if (fcntl(sv[0], F_SETFL, O_NONBLOCK) != 0) + fail(errno, "fcntl", "PF_UNIX, SOCK_STREAM", "O_NONBLOCK"); + OK("fcntl() 3"); + if (fcntl(sv[1], F_SETFL, O_NONBLOCK) != 0) + fail(errno, "fcntl", "PF_UNIX, SOCK_STREAM", "O_NONBLOCK"); + OK("fcntl() 4"); + + test_evfilt_read(kq, sv, "PF_UNIX, SOCK_STREAM"); + + if (close(sv[0]) == -1) + fail(errno, "close", "PF_UNIX/SOCK_STREAM", "sv[0]"); + OK("close() 3"); + if (close(sv[1]) == -1) + fail(errno, "close", "PF_UNIX/SOCK_STREAM", "sv[1]"); + OK("close() 4"); + + /* + * Create a UNIX domain stream socket, and attach/test/detach a + * write filter on it. + */ + if (socketpair(PF_UNIX, SOCK_STREAM, 0, sv) == -1) + fail(errno, "socketpair", "PF_UNIX, SOCK_STREAM", NULL); + OK("socketpair() 3"); + + if (fcntl(sv[0], F_SETFL, O_NONBLOCK) != 0) + fail(errno, "fcntl", "PF_UNIX, SOCK_STREAM", "O_NONBLOCK"); + OK("fcntl() 5"); + if (fcntl(sv[1], F_SETFL, O_NONBLOCK) != 0) + fail(errno, "fcntl", "PF_UNIX, SOCK_STREAM", "O_NONBLOCK"); + OK("fcntl() 6"); + + test_evfilt_write(kq, sv, "PF_UNIX, SOCK_STREAM"); + + if (close(sv[0]) == -1) + fail(errno, "close", "PF_UNIX/SOCK_STREAM", "sv[0]"); + OK("close() 5"); + if (close(sv[1]) == -1) + fail(errno, "close", "PF_UNIX/SOCK_STREAM", "sv[1]"); + OK("close() 6"); + + if (close(kq) == -1) + fail(errno, "close", "kq", NULL); + OK("close() 7"); + + return (0); +} diff --git a/tools/regression/sockets/kqueue/kqueue.t b/tools/regression/sockets/kqueue/kqueue.t new file mode 100644 index 0000000..8bdfd03 --- /dev/null +++ b/tools/regression/sockets/kqueue/kqueue.t @@ -0,0 +1,10 @@ +#!/bin/sh +# $FreeBSD$ + +cd `dirname $0` + +executable=`basename $0 .t` + +make $executable 2>&1 > /dev/null + +exec ./$executable diff --git a/tools/regression/sockets/listen_backlog/Makefile b/tools/regression/sockets/listen_backlog/Makefile new file mode 100644 index 0000000..e2eb135 --- /dev/null +++ b/tools/regression/sockets/listen_backlog/Makefile @@ -0,0 +1,7 @@ +# $FreeBSD$ + +PROG= listen_backlog +MAN= +WARNS?= 6 + +.include <bsd.prog.mk> diff --git a/tools/regression/sockets/listen_backlog/listen_backlog.c b/tools/regression/sockets/listen_backlog/listen_backlog.c new file mode 100644 index 0000000..2276393 --- /dev/null +++ b/tools/regression/sockets/listen_backlog/listen_backlog.c @@ -0,0 +1,383 @@ +/*- + * Copyright (c) 2005 Robert N. M. Watson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/sysctl.h> + +#include <err.h> +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +/* + * This regression test is intended to validate that the backlog parameter + * set by listen() is properly set, can be retrieved using SO_LISTENQLIMIT, + * and that it can be updated by later calls to listen(). We also check that + * SO_LISTENQLIMIT cannot be set. + * + * Future things to test: + * + * - That if we change the value of kern.ipc.somaxconn, the limits really + * do change. + * + * - That limits are, approximately, enforced and implemented. + * + * - All this on multiple socket types -- i.e., PF_LOCAL. + * + * - That we also test SO_LISTENQLEN and SO_LISTENINCQLEN. + */ + +/* + * We retrieve kern.ipc.somaxconn before running the tests in order to use a + * run-time set value of SOMAXCONN, rather than compile-time set. We assume + * that no other process will be simultaneously frobbing it, and these tests + * may fail if that assumption is not held. + */ +static int somaxconn; + +/* + * Retrieve the current socket listen queue limit using SO_LISTENQLIMIT. + */ +static int +socket_get_backlog(int sock, int *backlogp, const char *testclass, + const char *test, const char *testfunc) +{ + socklen_t len; + int i; + + len = sizeof(i); + if (getsockopt(sock, SOL_SOCKET, SO_LISTENQLIMIT, &i, &len) < 0) { + warn("%s: %s: %s: socket_get_backlog: getsockopt(" + "SOL_SOCKET, SO_LISTENQLIMIT)", testclass, test, + testfunc); + return (-1); + } + + if (len != sizeof(i)) { + warnx("%s: %s: %s: socket_get_backlog: getsockopt(" + "SOL_SOCKET, SO_LISTENQLIMIT): returned size %d", + testclass, test, testfunc, len); + return (-1); + } + + *backlogp = i; + + return (0); +} + +/* + * Create a socket, check the queue limit on creation, perform a listen(), + * and make sure that the limit was set as expected by listen(). + */ +static int +socket_listen(int domain, int type, int protocol, int backlog, + int create_backlog_assertion, int listen_backlog_assertion, int *sockp, + const char *domainstring, const char *typestring, const char *testclass, + const char *test) +{ + int backlog_retrieved, sock; + + sock = socket(domain, type, protocol); + if (sock < 0) { + warn("%s: %s: socket_listen: socket(%s, %s)", testclass, + test, domainstring, typestring); + close(sock); + return (-1); + } + + if (socket_get_backlog(sock, &backlog_retrieved, testclass, test, + "socket_listen") < 0) { + close(sock); + return (-1); + } + + if (backlog_retrieved != create_backlog_assertion) { + warnx("%s: %s: socket_listen: create backlog is %d not %d", + testclass, test, backlog_retrieved, + create_backlog_assertion); + close(sock); + return (-1); + } + + if (listen(sock, backlog) < 0) { + warn("%s: %s: socket_listen: listen(, %d)", testclass, test, + backlog); + close(sock); + return (-1); + } + + if (socket_get_backlog(sock, &backlog_retrieved, testclass, test, + "socket_listen") < 0) { + close(sock); + return (-1); + } + + if (backlog_retrieved != listen_backlog_assertion) { + warnx("%s: %s: socket_listen: listen backlog is %d not %d", + testclass, test, backlog_retrieved, + listen_backlog_assertion); + close(sock); + return (-1); + } + + *sockp = sock; + return (0); +} + +/* + * This test creates sockets and tests default states before and after + * listen(). Specifically, we expect a queue limit of 0 before listen, and + * then various settings for after listen(). If the passed backlog was + * either < 0 or > somaxconn, it should be set to somaxconn; otherwise, the + * passed queue depth. + */ +static void +test_defaults(void) +{ + int sock; + + /* + * First pass. Confirm the default is 0. Listen with a backlog of + * 0 and confirm it gets set that way. + */ + if (socket_listen(PF_INET, SOCK_STREAM, 0, 0, 0, 0, &sock, "PF_INET", + "SOCK_STREAM", "test_defaults", "default_0_listen_0") < 0) + exit(-1); + close(sock); + + /* + * Second pass. Listen with a backlog of -1 and make sure it is set + * to somaxconn. + */ + if (socket_listen(PF_INET, SOCK_STREAM, 0, -1, 0, somaxconn, &sock, + "PF_INET", "SOCK_STREAM", "test_defaults", "default_0_listen_-1") + < 0) + exit(-1); + close(sock); + + /* + * Third pass. Listen with a backlog of 1 and make sure it is set to + * 1. + */ + if (socket_listen(PF_INET, SOCK_STREAM, 0, 1, 0, 1, &sock, "PF_INET", + "SOCK_STREAM", "test_defaults", "default_0_listen_1") < 0) + exit(-1); + close(sock); + + /* + * Fourth pass. Listen with a backlog of somaxconn and make sure it + * is set to somaxconn. + */ + if (socket_listen(PF_INET, SOCK_STREAM, 0, somaxconn, 0, somaxconn, + &sock, "PF_INET", "SOCK_STREAM", "test_defaults", + "default_0_listen_somaxconn") < 0) + exit(-1); + close(sock); + + /* + * Fifth pass. Listen with a backlog of somaxconn+1 and make sure it + * is set to somaxconn. + */ + if (socket_listen(PF_INET, SOCK_STREAM, 0, somaxconn+1, 0, somaxconn, + &sock, "PF_INET", "SOCK_STREAM", "test_defaults", + "default_0_listen_somaxconn+1") < 0) + exit(-1); + close(sock); +} + +/* + * Create a socket, set the initial listen() state, then update the queue + * depth using listen(). Check that the backlog is as expected after both + * the first and second listen(). + */ +static int +socket_listen_update(int domain __unused, int type __unused, + int protocol __unused, int backlog, + int update_backlog, int listen_backlog_assertion, + int update_backlog_assertion, int *sockp, const char *domainstring, + const char *typestring, const char *testclass, const char *test) +{ + int backlog_retrieved, sock; + + sock = socket(PF_INET, SOCK_STREAM, 0); + if (sock < 0) { + warn("%s: %s: socket_listen_update: socket(%s, %s)", + testclass, test, domainstring, typestring); + return (-1); + } + + if (listen(sock, backlog) < 0) { + warn("%s: %s: socket_listen_update: initial listen(, %d)", + testclass, test, backlog); + close(sock); + return (-1); + } + + if (socket_get_backlog(sock, &backlog_retrieved, testclass, test, + "socket_listen_update") < 0) { + close(sock); + return (-1); + } + + if (backlog_retrieved != listen_backlog_assertion) { + warnx("%s: %s: socket_listen_update: initial backlog is %d " + "not %d", testclass, test, backlog_retrieved, + listen_backlog_assertion); + close(sock); + return (-1); + } + + if (listen(sock, update_backlog) < 0) { + warn("%s: %s: socket_listen_update: update listen(, %d)", + testclass, test, update_backlog); + close(sock); + return (-1); + } + + if (socket_get_backlog(sock, &backlog_retrieved, testclass, test, + "socket_listen_update") < 0) { + close(sock); + return (-1); + } + + if (backlog_retrieved != update_backlog_assertion) { + warnx("%s: %s: socket_listen_update: updated backlog is %d " + "not %d", testclass, test, backlog_retrieved, + update_backlog_assertion); + close(sock); + return (-1); + } + + *sockp = sock; + return (0); +} + +/* + * This test tests using listen() to update the queue depth after a socket + * has already been marked as listening. We test several cases: setting the + * socket < 0, 0, 1, somaxconn, and somaxconn + 1. + */ +static void +test_listen_update(void) +{ + int sock; + + /* + * Set to 5, update to -1, which should give somaxconn. + */ + if (socket_listen_update(PF_INET, SOCK_STREAM, 0, 5, -1, 5, somaxconn, + &sock, "PF_INET", "SOCK_STREAM", "test_listen_update", + "update_5,-1") < 0) + exit(-1); + close(sock); + + /* + * Set to 5, update to 0, which should give 0. + */ + if (socket_listen_update(PF_INET, SOCK_STREAM, 0, 5, 0, 5, 0, &sock, + "PF_INET", "SOCK_STREAM", "test_listen_update", "update_5,0") + < 0) + exit(-1); + close(sock); + + /* + * Set to 5, update to 1, which should give 1. + */ + if (socket_listen_update(PF_INET, SOCK_STREAM, 0, 5, 1, 5, 1, &sock, + "PF_INET", "SOCK_STREAM", "test_listen_update", "update_5,1") + < 0) + exit(-1); + close(sock); + + /* + * Set to 5, update to somaxconn, which should give somaxconn. + */ + if (socket_listen_update(PF_INET, SOCK_STREAM, 0, 5, somaxconn, 5, + somaxconn, &sock, "PF_INET", "SOCK_STREAM", "test_listen_update", + "update_5,somaxconn") < 0) + exit(-1); + close(sock); + + /* + * Set to 5, update to somaxconn+1, which should give somaxconn. + */ + if (socket_listen_update(PF_INET, SOCK_STREAM, 0, 5, somaxconn+1, 5, + somaxconn, &sock, "PF_INET", "SOCK_STREAM", "test_listen_update", + "update_5,somaxconn+1") < 0) + exit(-1); + close(sock); +} + +/* + * SO_LISTENQLIMIT is a read-only socket option, so make sure we get an error + * if we try to write it. + */ +static void +test_set_qlimit(void) +{ + int i, ret, sock; + + sock = socket(PF_INET, SOCK_STREAM, 0); + if (sock < 0) + err(-1, "test_set_qlimit: socket(PF_INET, SOCK_STREAM)"); + + i = 0; + ret = setsockopt(sock, SOL_SOCKET, SO_LISTENQLIMIT, &i, sizeof(i)); + if (ret < 0 && errno != ENOPROTOOPT) { + warn("test_set_qlimit: setsockopt(SOL_SOCKET, " + "SO_LISTENQLIMIT, 0): unexpected error"); + close(sock); + } + + if (ret == 0) { + warnx("test_set_qlimit: setsockopt(SOL_SOCKET, " + "SO_LISTENQLIMIT, 0) succeeded"); + close(sock); + exit(-1); + } + close(sock); +} + +int +main(void) +{ + size_t len; + + len = sizeof(somaxconn); + if (sysctlbyname("kern.ipc.somaxconn", &somaxconn, &len, NULL, 0) + < 0) + err(-1, "sysctlbyname(kern.ipc.somaxconn)"); + + test_defaults(); + test_listen_update(); + test_set_qlimit(); + + return (0); +} diff --git a/tools/regression/sockets/listenclose/Makefile b/tools/regression/sockets/listenclose/Makefile new file mode 100644 index 0000000..8f4dc4e --- /dev/null +++ b/tools/regression/sockets/listenclose/Makefile @@ -0,0 +1,9 @@ +# +# $FreeBSD$ +# + +PROG= listenclose +MAN= +WARNS?= 6 + +.include <bsd.prog.mk> diff --git a/tools/regression/sockets/listenclose/listenclose.c b/tools/regression/sockets/listenclose/listenclose.c new file mode 100644 index 0000000..f920846 --- /dev/null +++ b/tools/regression/sockets/listenclose/listenclose.c @@ -0,0 +1,111 @@ +/*- + * Copyright (c) 2004-2005 Robert N. M. Watson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/types.h> +#include <sys/socket.h> + +#include <netinet/in.h> + +#include <arpa/inet.h> + +#include <err.h> +#include <errno.h> +#include <fcntl.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> + +/* + * The listenclose regression test is designed to catch kernel bugs that may + * trigger as a result of performing a close on a listen() socket with as-yet + * unaccepted connections in its queues. This results in the connections + * being aborted, which is a not-often-followed code path. To do this, we + * create a local TCP socket, build a non-blocking connection to it, and then + * close the accept socket. The connection must be non-blocking or the + * program will block and as such connect() will not return as accept() is + * never called. + */ + +int +main(void) +{ + int listen_sock, connect_sock; + struct sockaddr_in sin; + socklen_t len; + u_short port; + int arg; + + listen_sock = socket(PF_INET, SOCK_STREAM, 0); + if (listen_sock == -1) + errx(-1, + "socket(PF_INET, SOCK_STREAM, 0) for listen socket: %s", + strerror(errno)); + + + bzero(&sin, sizeof(sin)); + sin.sin_len = sizeof(sin); + sin.sin_family = AF_INET; + sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK); + sin.sin_port = 0; + + if (bind(listen_sock, (struct sockaddr *)&sin, sizeof(sin)) < 0) + errx(-1, "bind(%s, %d) for listen socket: %s", + inet_ntoa(sin.sin_addr), 0, strerror(errno)); + + len = sizeof(sin); + if (getsockname(listen_sock, (struct sockaddr *)&sin, &len) < 0) + errx(-1, "getsockname() for listen socket: %s", + strerror(errno)); + port = sin.sin_port; + + if (listen(listen_sock, -1) < 0) + errx(-1, "listen() for listen socket: %s", strerror(errno)); + + connect_sock = socket(PF_INET, SOCK_STREAM, 0); + if (connect_sock == -1) + errx(-1, "socket(PF_INET, SOCK_STREAM, 0) for connect " + "socket: %s", strerror(errno)); + + arg = O_NONBLOCK; + if (fcntl(connect_sock, F_SETFL, &arg) < 0) + errx(-1, "socket(PF_INET, SOCK_STREAM, 0) for connect socket" + ": %s", strerror(errno)); + + bzero(&sin, sizeof(sin)); + sin.sin_len = sizeof(sin); + sin.sin_family = AF_INET; + sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK); + sin.sin_port = port; + + if (connect(connect_sock, (struct sockaddr *)&sin, sizeof(sin)) < 0) + errx(-1, "connect() for connect socket: %s", strerror(errno)); + close(connect_sock); + close(listen_sock); + + return (0); +} diff --git a/tools/regression/sockets/pr_atomic/Makefile b/tools/regression/sockets/pr_atomic/Makefile new file mode 100644 index 0000000..1dc85ff --- /dev/null +++ b/tools/regression/sockets/pr_atomic/Makefile @@ -0,0 +1,7 @@ +# $FreeBSD$ + +PROG= pr_atomic +MAN= +WARNS?= 6 + +.include <bsd.prog.mk> diff --git a/tools/regression/sockets/pr_atomic/pr_atomic.c b/tools/regression/sockets/pr_atomic/pr_atomic.c new file mode 100644 index 0000000..e902cf7 --- /dev/null +++ b/tools/regression/sockets/pr_atomic/pr_atomic.c @@ -0,0 +1,109 @@ +/*- + * Copyright (c) 2006 Bruce M. Simpson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +/* + * Regression test for uiomove in kernel; specifically for PR kern/38495. + */ + +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/un.h> + +#include <stdlib.h> +#include <signal.h> +#include <setjmp.h> +#include <string.h> +#include <err.h> +#include <errno.h> +#include <unistd.h> + +static char socket_path[] = "tmp.XXXXXX"; + +static jmp_buf myjmpbuf; + +static void handle_sigalrm(int signo __unused) +{ + longjmp(myjmpbuf, 1); +} + +int +main(void) +{ + struct sockaddr_un un; + pid_t pid; + int s; + + if (mkstemp(socket_path) == -1) + err(1, "mkstemp"); + s = socket(PF_LOCAL, SOCK_DGRAM, 0); + if (s == -1) + errx(-1, "socket"); + memset(&un, 0, sizeof(un)); + un.sun_family = AF_LOCAL; + unlink(socket_path); + strcpy(un.sun_path, socket_path); + if (bind(s, (struct sockaddr *)&un, sizeof(un)) == -1) + errx(-1, "bind"); + pid = fork(); + if (pid == -1) + errx(-1, "fork"); + if (pid == 0) { + int conn; + char buf[] = "AAAAAAAAA"; + + close(s); + conn = socket(AF_LOCAL, SOCK_DGRAM, 0); + if (conn == -1) + errx(-1,"socket"); + if (sendto(conn, buf, sizeof(buf), 0, (struct sockaddr *)&un, + sizeof(un)) != sizeof(buf)) + errx(-1,"sendto"); + close(conn); + _exit(0); + } + + sleep(5); + + /* Make sure the data is there when we try to receive it. */ + if (recvfrom(s, (void *)-1, 1, 0, NULL, NULL) != -1) + errx(-1,"recvfrom succeeded when failure expected"); + + (void)signal(SIGALRM, handle_sigalrm); + if (setjmp(myjmpbuf) == 0) { + /* + * This recvfrom will panic an unpatched system, and block + * a patched one. + */ + alarm(5); + (void)recvfrom(s, (void *)-1, 1, 0, NULL, NULL); + } + + /* We should reach here via longjmp() and all should be well. */ + + return (0); +} diff --git a/tools/regression/sockets/reconnect/Makefile b/tools/regression/sockets/reconnect/Makefile new file mode 100644 index 0000000..d8fa5e0 --- /dev/null +++ b/tools/regression/sockets/reconnect/Makefile @@ -0,0 +1,9 @@ +# +# $FreeBSD$ +# + +PROG= reconnect +MAN= +WARNS?= 6 + +.include <bsd.prog.mk> diff --git a/tools/regression/sockets/reconnect/reconnect.c b/tools/regression/sockets/reconnect/reconnect.c new file mode 100644 index 0000000..27f32cc --- /dev/null +++ b/tools/regression/sockets/reconnect/reconnect.c @@ -0,0 +1,132 @@ +/*- + * Copyright (c) 2005 Maxim Sobolev + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +/* + * The reconnect regression test is designed to catch kernel bug that may + * prevent changing association of already associated datagram unix domain + * socket when server side of connection has been closed. + */ + +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/uio.h> +#include <sys/un.h> +#include <err.h> +#include <errno.h> +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <signal.h> +#include <string.h> +#include <unistd.h> + +static char uds_name1[] = "reconnect.XXXXXXXX"; +static char uds_name2[] = "reconnect.XXXXXXXX"; + +#define sstosa(ss) ((struct sockaddr *)(ss)) + +static void +prepare_ifsun(struct sockaddr_un *ifsun, const char *path) +{ + + memset(ifsun, '\0', sizeof(*ifsun)); +#if !defined(__linux__) && !defined(__solaris__) + ifsun->sun_len = strlen(path); +#endif + ifsun->sun_family = AF_LOCAL; + strcpy(ifsun->sun_path, path); +} + +static int +create_uds_server(const char *path) +{ + struct sockaddr_un ifsun; + int sock; + + prepare_ifsun(&ifsun, path); + + unlink(ifsun.sun_path); + + sock = socket(PF_LOCAL, SOCK_DGRAM, 0); + if (sock == -1) + err(1, "can't create socket"); + setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &sock, sizeof(sock)); + if (bind(sock, sstosa(&ifsun), sizeof(ifsun)) < 0) + err(1, "can't bind to a socket"); + + return sock; +} + +static void +connect_uds_server(int sock, const char *path) +{ + struct sockaddr_un ifsun; + int e; + + prepare_ifsun(&ifsun, path); + + e = connect(sock, sstosa(&ifsun), sizeof(ifsun)); + if (e < 0) + err(1, "can't connect to a socket"); +} + +static void +cleanup(void) +{ + + unlink(uds_name1); + unlink(uds_name2); +} + +int +main() +{ + int s_sock1, s_sock2, c_sock; + + atexit(cleanup); + + if (mkstemp(uds_name1) == -1) + err(1, "mkstemp"); + unlink(uds_name1); + s_sock1 = create_uds_server(uds_name1); + + if (mkstemp(uds_name2) == -1) + err(1, "mkstemp"); + unlink(uds_name2); + s_sock2 = create_uds_server(uds_name2); + + c_sock = socket(PF_LOCAL, SOCK_DGRAM, 0); + if (c_sock < 0) + err(1, "can't create socket"); + + connect_uds_server(c_sock, uds_name1); + close(s_sock1); + connect_uds_server(c_sock, uds_name2); + + exit (0); +} diff --git a/tools/regression/sockets/rtsocket/Makefile b/tools/regression/sockets/rtsocket/Makefile new file mode 100644 index 0000000..f68b6c3 --- /dev/null +++ b/tools/regression/sockets/rtsocket/Makefile @@ -0,0 +1,7 @@ +# $FreeBSD$ + +PROG= rtsocket +MAN= +WARNS?= 6 + +.include <bsd.prog.mk> diff --git a/tools/regression/sockets/rtsocket/rtsocket.c b/tools/regression/sockets/rtsocket/rtsocket.c new file mode 100644 index 0000000..b5824b3 --- /dev/null +++ b/tools/regression/sockets/rtsocket/rtsocket.c @@ -0,0 +1,101 @@ +/*- + * Copyright (c) 2006 Robert N. M. Watson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +/* + * Simple routing socket regression test: create and destroy a raw routing + * socket, and make sure that dgram and stream don't work, socketpair, etc. + */ + +#include <sys/types.h> +#include <sys/socket.h> + +#include <net/route.h> + +#include <err.h> +#include <errno.h> +#include <unistd.h> + +int +main(void) +{ + int sock, socks[2]; + + sock = socket(PF_ROUTE, SOCK_STREAM, 0); + if (sock >= 0) { + close(sock); + errx(-1, "socket(PF_ROUTE, SOCK_STREAM, 0) returned %d", + sock); + } + + if (errno != EPROTONOSUPPORT) + err(-1, "socket(PF_ROUTE, SOCK_STREAM, 0)"); + + sock = socket(PF_ROUTE, SOCK_DGRAM, 0); + if (sock >= 0) { + close(sock); + errx(-1, "socket(PF_ROUTE, SOCK_DGRAM, 0) returned %d", + sock); + } + + if (errno != EPROTONOSUPPORT) + err(-1, "socket(PF_ROUTE, SOCK_DGRAM, 0)"); + + sock = socket(PF_ROUTE, SOCK_RAW, 0); + if (sock < 0) + err(-1, "socket(PF_ROUTE, SOCK_RAW, 0)"); + close(sock); + + if (socketpair(PF_ROUTE, SOCK_STREAM, 0, socks) == 0) { + close(socks[0]); + close(socks[1]); + errx(-1, + "socketpair(PF_ROUTE, SOCK_STREAM, 0, socks) success"); + } + + if (errno != EPROTONOSUPPORT) + err(-1, "socketpair(PF_ROUTE, SOCK_STREAM, 0, socks)"); + + if (socketpair(PF_ROUTE, SOCK_DGRAM, 0, socks) == 0) { + close(socks[0]); + close(socks[1]); + errx(-1, + "socketpair(PF_ROUTE, SOCK_DGRAM, 0, socks) success"); + } + + if (errno != EPROTONOSUPPORT) + err(-1, "socketpair(PF_ROUTE, SOCK_DGRAM, 0, socks)"); + + if (socketpair(PF_ROUTE, SOCK_RAW, 0, socks) == 0) { + close(socks[0]); + close(socks[1]); + errx(-1, + "socketpair(PF_ROUTE, SOCK_STREAM, 0, socks) success"); + } + + return (0); +} diff --git a/tools/regression/sockets/sblock/Makefile b/tools/regression/sockets/sblock/Makefile new file mode 100644 index 0000000..aa2f890 --- /dev/null +++ b/tools/regression/sockets/sblock/Makefile @@ -0,0 +1,9 @@ +# +# $FreeBSD$ +# + +PROG= sblock +MAN= +WARNS?= 6 + +.include <bsd.prog.mk> diff --git a/tools/regression/sockets/sblock/sblock.c b/tools/regression/sockets/sblock/sblock.c new file mode 100644 index 0000000..415c4d4 --- /dev/null +++ b/tools/regression/sockets/sblock/sblock.c @@ -0,0 +1,207 @@ +/*- + * Copyright (c) 2007 Robert N. M. Watson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +/* + * Sockets serialize I/O in each direction in order to avoid interlacing of + * I/O by multiple processes or threcvs recving or sending the socket. This + * is done using some form of kernel lock (varies by kernel version), called + * "sblock" in FreeBSD. However, to avoid unkillable processes waiting on + * I/O that may be entirely controlled by a remote network endpoint, that + * lock acquisition must be interruptible. + * + * To test this, set up a local domain stream socket pair and a set of three + * processes. Two processes block in recv(), the first on sbwait (wait for + * I/O), and the second on the sblock waiting for the first to finish. A + * third process is responsible for signalling the second process, then + * writing to the socket. Depending on the error returned in the second + * process, we can tell whether the sblock wait was interrupted, or if + * instead the process only woke up when the write was performed. + */ + +#include <sys/socket.h> + +#include <err.h> +#include <errno.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +static int interrupted; +static void +signal_handler(int signum __unused) +{ + + interrupted++; +} + +/* + * Process that will perform a blocking recv on a UNIX domain socket. This + * should return one byte of data. + */ +static void +blocking_recver(int fd) +{ + ssize_t len; + char ch; + + len = recv(fd, &ch, sizeof(ch), 0); + if (len < 0) + err(-1, "FAIL: blocking_recver: recv"); + if (len == 0) + errx(-1, "FAIL: blocking_recver: recv: eof"); + if (len != 1) + errx(-1, "FAIL: blocking_recver: recv: %zd bytes", len); + if (interrupted) + errx(-1, "FAIL: blocking_recver: interrupted wrong pid"); +} + +/* + * Process that will perform a locking recv on a UNIX domain socket. + * + * This is where we figure out if the test worked or not. If it has failed, + * then recv() will return EOF, as the close() arrives before the signal, + * meaning that the wait for the sblock was not interrupted; if it has + * succeeded, we get EINTR as the signal interrupts the lock request. + */ +static void +locking_recver(int fd) +{ + ssize_t len; + char ch; + + if (sleep(1) != 0) + err(-1, "FAIL: locking_recver: sleep"); + len = recv(fd, &ch, sizeof(ch), 0); + if (len < 0 && errno != EINTR) + err(-1, "FAIL: locking_recver: recv"); + if (len < 0 && errno == EINTR) { + fprintf(stderr, "PASS\n"); + exit(0); + } + if (len == 0) + errx(-1, "FAIL: locking_recver: recv: eof"); + if (!interrupted) + errx(-1, "FAIL: locking_recver: not interrupted"); +} + +static void +signaller(pid_t locking_recver_pid, int fd) +{ + ssize_t len; + char ch; + + if (sleep(2) != 0) { + warn("signaller sleep(2)"); + return; + } + if (kill(locking_recver_pid, SIGHUP) < 0) { + warn("signaller kill(%d)", locking_recver_pid); + return; + } + if (sleep(1) != 0) { + warn("signaller sleep(1)"); + return; + } + len = send(fd, &ch, sizeof(ch), 0); + if (len < 0) { + warn("signaller send"); + return; + } + if (len != sizeof(ch)) { + warnx("signaller send ret %zd", len); + return; + } + if (close(fd) < 0) { + warn("signaller close"); + return; + } + if (sleep(1) != 0) { + warn("signaller sleep(1)"); + return; + } +} + +int +main(void) +{ + int error, fds[2], recver_fd, sender_fd; + pid_t blocking_recver_pid; + pid_t locking_recver_pid; + struct sigaction sa; + + if (sigaction(SIGHUP, NULL, &sa) < 0) + err(-1, "FAIL: sigaction(SIGHUP, NULL, &sa)"); + + sa.sa_handler = signal_handler; + if (sa.sa_flags & SA_RESTART) + printf("SIGHUP restartable by default (cleared)\n"); + sa.sa_flags &= ~SA_RESTART; + + if (sigaction(SIGHUP, &sa, NULL) < 0) + err(-1, "FAIL: sigaction(SIGHUP, &sa, NULL)"); + +#if 0 + if (signal(SIGHUP, signal_handler) == SIG_ERR) + err(-1, "FAIL: signal(SIGHUP)"); +#endif + + if (socketpair(PF_LOCAL, SOCK_STREAM, 0, fds) < 0) + err(-1, "FAIL: socketpair(PF_LOCAL, SOGK_STREAM, 0)"); + + sender_fd = fds[0]; + recver_fd = fds[1]; + + blocking_recver_pid = fork(); + if (blocking_recver_pid < 0) + err(-1, "FAIL: fork"); + if (blocking_recver_pid == 0) { + close(sender_fd); + blocking_recver(recver_fd); + exit(0); + } + + locking_recver_pid = fork(); + if (locking_recver_pid < 0) { + error = errno; + kill(blocking_recver_pid, SIGKILL); + errno = error; + err(-1, "FAIL: fork"); + } + if (locking_recver_pid == 0) { + close(sender_fd); + locking_recver(recver_fd); + exit(0); + } + + signaller(locking_recver_pid, sender_fd); + + kill(blocking_recver_pid, SIGKILL); + kill(locking_recver_pid, SIGKILL); + exit(0); +} diff --git a/tools/regression/sockets/sendfile/Makefile b/tools/regression/sockets/sendfile/Makefile new file mode 100644 index 0000000..9d6f185 --- /dev/null +++ b/tools/regression/sockets/sendfile/Makefile @@ -0,0 +1,11 @@ +# +# $FreeBSD$ +# + +PROG= sendfile +MAN= +WARNS?= 6 +DPADD= ${LIBMD} +LDADD= -lmd + +.include <bsd.prog.mk> diff --git a/tools/regression/sockets/sendfile/sendfile.c b/tools/regression/sockets/sendfile/sendfile.c new file mode 100644 index 0000000..18ae9ad --- /dev/null +++ b/tools/regression/sockets/sendfile/sendfile.c @@ -0,0 +1,486 @@ +/*- + * Copyright (c) 2006 Robert N. M. Watson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/stat.h> +#include <sys/wait.h> + +#include <netinet/in.h> + +#include <err.h> +#include <errno.h> +#include <fcntl.h> +#include <limits.h> +#include <md5.h> +#include <signal.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +/* + * Simple regression test for sendfile. Creates a file sized at four pages + * and then proceeds to send it over a series of sockets, exercising a number + * of cases and performing limited validation. + */ + +#define FAIL(msg) {printf("# %s\n", msg); \ + return (-1);} + +#define FAIL_ERR(msg) {printf("# %s: %s\n", msg, strerror(errno)); \ + return (-1);} + +#define TEST_PORT 5678 +#define TEST_MAGIC 0x4440f7bb +#define TEST_PAGES 4 +#define TEST_SECONDS 30 + +struct test_header { + uint32_t th_magic; + uint32_t th_header_length; + uint32_t th_offset; + uint32_t th_length; + char th_md5[33]; +}; + +struct sendfile_test { + uint32_t hdr_length; + uint32_t offset; + uint32_t length; + uint32_t file_size; +}; + +static int file_fd; +static char path[PATH_MAX]; +static int listen_socket; +static int accept_socket; + +static int test_th(struct test_header *th, uint32_t *header_length, + uint32_t *offset, uint32_t *length); +static void signal_alarm(int signum); +static void setup_alarm(int seconds); +static void cancel_alarm(void); +static int receive_test(void); +static void run_child(void); +static int new_test_socket(int *connect_socket); +static void init_th(struct test_header *th, uint32_t header_length, + uint32_t offset, uint32_t length); +static int send_test(int connect_socket, struct sendfile_test); +static int write_test_file(size_t file_size); +static void run_parent(void); +static void cleanup(void); + + +static int +test_th(struct test_header *th, uint32_t *header_length, uint32_t *offset, + uint32_t *length) +{ + + if (th->th_magic != htonl(TEST_MAGIC)) + FAIL("magic number not found in header") + *header_length = ntohl(th->th_header_length); + *offset = ntohl(th->th_offset); + *length = ntohl(th->th_length); + return (0); +} + +static void +signal_alarm(int signum) +{ + (void)signum; + + printf("# test timeout\n"); + + if (accept_socket > 0) + close(accept_socket); + if (listen_socket > 0) + close(listen_socket); + + _exit(-1); +} + +static void +setup_alarm(int seconds) +{ + struct itimerval itv; + bzero(&itv, sizeof(itv)); + (void)seconds; + itv.it_value.tv_sec = seconds; + + signal(SIGALRM, signal_alarm); + setitimer(ITIMER_REAL, &itv, NULL); +} + +static void +cancel_alarm(void) +{ + struct itimerval itv; + bzero(&itv, sizeof(itv)); + setitimer(ITIMER_REAL, &itv, NULL); +} + +static int +receive_test(void) +{ + uint32_t header_length, offset, length, counter; + struct test_header th; + ssize_t len; + char buf[10240]; + MD5_CTX md5ctx; + char *rxmd5; + + len = read(accept_socket, &th, sizeof(th)); + if (len < 0 || (size_t)len < sizeof(th)) + FAIL_ERR("read") + + if (test_th(&th, &header_length, &offset, &length) != 0) + return (-1); + + MD5Init(&md5ctx); + + counter = 0; + while (1) { + len = read(accept_socket, buf, sizeof(buf)); + if (len < 0 || len == 0) + break; + counter += len; + MD5Update(&md5ctx, buf, len); + } + + rxmd5 = MD5End(&md5ctx, NULL); + + if ((counter != header_length+length) || + memcmp(th.th_md5, rxmd5, 33) != 0) + FAIL("receive length mismatch") + + free(rxmd5); + return (0); +} + +static void +run_child(void) +{ + struct sockaddr_in sin; + int rc = 0; + + listen_socket = socket(PF_INET, SOCK_STREAM, 0); + if (listen_socket < 0) { + printf("# socket: %s\n", strerror(errno)); + rc = -1; + } + + if (!rc) { + bzero(&sin, sizeof(sin)); + sin.sin_len = sizeof(sin); + sin.sin_family = AF_INET; + sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK); + sin.sin_port = htons(TEST_PORT); + + if (bind(listen_socket, (struct sockaddr *)&sin, sizeof(sin)) < 0) { + printf("# bind: %s\n", strerror(errno)); + rc = -1; + } + } + + if (!rc && listen(listen_socket, -1) < 0) { + printf("# listen: %s\n", strerror(errno)); + rc = -1; + } + + if (!rc) { + accept_socket = accept(listen_socket, NULL, NULL); + setup_alarm(TEST_SECONDS); + if (receive_test() != 0) + rc = -1; + } + + cancel_alarm(); + if (accept_socket > 0) + close(accept_socket); + if (listen_socket > 0) + close(listen_socket); + + _exit(rc); +} + +static int +new_test_socket(int *connect_socket) +{ + struct sockaddr_in sin; + int rc = 0; + + *connect_socket = socket(PF_INET, SOCK_STREAM, 0); + if (*connect_socket < 0) + FAIL_ERR("socket") + + bzero(&sin, sizeof(sin)); + sin.sin_len = sizeof(sin); + sin.sin_family = AF_INET; + sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK); + sin.sin_port = htons(TEST_PORT); + + if (connect(*connect_socket, (struct sockaddr *)&sin, sizeof(sin)) < 0) + FAIL_ERR("connect") + + return (rc); +} + +static void +init_th(struct test_header *th, uint32_t header_length, uint32_t offset, + uint32_t length) +{ + bzero(th, sizeof(*th)); + th->th_magic = htonl(TEST_MAGIC); + th->th_header_length = htonl(header_length); + th->th_offset = htonl(offset); + th->th_length = htonl(length); + + MD5FileChunk(path, th->th_md5, offset, length); +} + +static int +send_test(int connect_socket, struct sendfile_test test) +{ + struct test_header th; + struct sf_hdtr hdtr, *hdtrp; + struct iovec headers; + char *header; + ssize_t len; + int length; + off_t off; + + len = lseek(file_fd, 0, SEEK_SET); + if (len != 0) + FAIL_ERR("lseek") + + struct stat st; + if (fstat(file_fd, &st) < 0) + FAIL_ERR("fstat") + length = st.st_size - test.offset; + if (test.length > 0 && test.length < (uint32_t)length) + length = test.length; + + init_th(&th, test.hdr_length, test.offset, length); + + len = write(connect_socket, &th, sizeof(th)); + if (len != sizeof(th)) + return (-1); + + if (test.hdr_length != 0) { + header = malloc(test.hdr_length); + if (header == NULL) + FAIL_ERR("malloc") + + hdtrp = &hdtr; + bzero(&headers, sizeof(headers)); + headers.iov_base = header; + headers.iov_len = test.hdr_length; + bzero(&hdtr, sizeof(hdtr)); + hdtr.headers = &headers; + hdtr.hdr_cnt = 1; + hdtr.trailers = NULL; + hdtr.trl_cnt = 0; + } else { + hdtrp = NULL; + header = NULL; + } + + if (sendfile(file_fd, connect_socket, test.offset, test.length, + hdtrp, &off, 0) < 0) { + if (header != NULL) + free(header); + FAIL_ERR("sendfile") + } + + if (length == 0) { + struct stat sb; + + if (fstat(file_fd, &sb) == 0) + length = sb.st_size - test.offset; + } + + if (header != NULL) + free(header); + + if (off != length) + FAIL("offset != length") + + return (0); +} + +static int +write_test_file(size_t file_size) +{ + char *page_buffer; + ssize_t len; + static size_t current_file_size = 0; + + if (file_size == current_file_size) + return (0); + else if (file_size < current_file_size) { + if (ftruncate(file_fd, file_size) != 0) + FAIL_ERR("ftruncate"); + current_file_size = file_size; + return (0); + } + + page_buffer = malloc(file_size); + if (page_buffer == NULL) + FAIL_ERR("malloc") + bzero(page_buffer, file_size); + + len = write(file_fd, page_buffer, file_size); + if (len < 0) + FAIL_ERR("write") + + len = lseek(file_fd, 0, SEEK_SET); + if (len < 0) + FAIL_ERR("lseek") + if (len != 0) + FAIL("len != 0") + + free(page_buffer); + current_file_size = file_size; + return (0); +} + +static void +run_parent(void) +{ + int connect_socket; + int status; + int test_num; + int test_count; + int pid; + size_t desired_file_size = 0; + + const int pagesize = getpagesize(); + + struct sendfile_test tests[] = { + { .hdr_length = 0, .offset = 0, .length = 1 }, + { .hdr_length = 0, .offset = 0, .length = pagesize }, + { .hdr_length = 0, .offset = 1, .length = 1 }, + { .hdr_length = 0, .offset = 1, .length = pagesize }, + { .hdr_length = 0, .offset = pagesize, .length = pagesize }, + { .hdr_length = 0, .offset = 0, .length = 2*pagesize }, + { .hdr_length = 0, .offset = 0, .length = 0 }, + { .hdr_length = 0, .offset = pagesize, .length = 0 }, + { .hdr_length = 0, .offset = 2*pagesize, .length = 0 }, + { .hdr_length = 0, .offset = TEST_PAGES*pagesize, .length = 0 }, + { .hdr_length = 0, .offset = 0, .length = pagesize, + .file_size = 1 } + }; + + test_count = sizeof(tests) / sizeof(tests[0]); + printf("1..%d\n", test_count); + + for (test_num = 1; test_num <= test_count; test_num++) { + + desired_file_size = tests[test_num - 1].file_size; + if (desired_file_size == 0) + desired_file_size = TEST_PAGES * pagesize; + if (write_test_file(desired_file_size) != 0) { + printf("not ok %d\n", test_num); + continue; + } + + pid = fork(); + if (pid == -1) { + printf("not ok %d\n", test_num); + continue; + } + + if (pid == 0) + run_child(); + + usleep(250000); + + if (new_test_socket(&connect_socket) != 0) { + printf("not ok %d\n", test_num); + kill(pid, SIGALRM); + close(connect_socket); + continue; + } + + if (send_test(connect_socket, tests[test_num-1]) != 0) { + printf("not ok %d\n", test_num); + kill(pid, SIGALRM); + close(connect_socket); + continue; + } + + close(connect_socket); + if (waitpid(pid, &status, 0) == pid) { + if (WIFEXITED(status) && WEXITSTATUS(status) == 0) + printf("%s %d\n", "ok", test_num); + else + printf("%s %d\n", "not ok", test_num); + } + else { + printf("not ok %d\n", test_num); + } + } +} + +static void +cleanup(void) +{ + + unlink(path); +} + +int +main(int argc, char *argv[]) +{ + int pagesize; + + path[0] = '\0'; + + pagesize = getpagesize(); + + if (argc == 1) { + snprintf(path, sizeof(path), "sendfile.XXXXXXXXXXXX"); + file_fd = mkstemp(path); + if (file_fd == -1) + FAIL_ERR("mkstemp"); + } else if (argc == 2) { + (void)strlcpy(path, argv[1], sizeof(path)); + file_fd = open(path, O_CREAT | O_TRUNC | O_RDWR, 0600); + if (file_fd == -1) + FAIL_ERR("open"); + } else { + FAIL("usage: sendfile [path]"); + } + + atexit(cleanup); + + run_parent(); + return (0); +} diff --git a/tools/regression/sockets/shutdown/Makefile b/tools/regression/sockets/shutdown/Makefile new file mode 100644 index 0000000..63045f5 --- /dev/null +++ b/tools/regression/sockets/shutdown/Makefile @@ -0,0 +1,9 @@ +# +# $FreeBSD$ +# + +PROG= shutdown +MAN= +WARNS?= 6 + +.include <bsd.prog.mk> diff --git a/tools/regression/sockets/shutdown/shutdown.c b/tools/regression/sockets/shutdown/shutdown.c new file mode 100644 index 0000000..3d23c94 --- /dev/null +++ b/tools/regression/sockets/shutdown/shutdown.c @@ -0,0 +1,110 @@ +/*- + * Copyright (C) 2005 The FreeBSD Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/types.h> +#include <sys/socket.h> + +#include <netinet/in.h> +#include <arpa/inet.h> + +#include <err.h> +#include <errno.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> + +int +main(void) +{ + struct sockaddr_in sock; + socklen_t len; + int listen_sock, connect_sock; + u_short port; + + listen_sock = -1; + + /* Shutdown(2) on an invalid file descriptor has to return EBADF. */ + if ((shutdown(listen_sock, SHUT_RDWR) != -1) && (errno != EBADF)) + errx(-1, "shutdown() for invalid file descriptor does not " + "return EBADF"); + + listen_sock = socket(PF_INET, SOCK_STREAM, 0); + if (listen_sock == -1) + errx(-1, + "socket(PF_INET, SOCK_STREAM, 0) for listen socket: %s", + strerror(errno)); + + bzero(&sock, sizeof(sock)); + sock.sin_len = sizeof(sock); + sock.sin_family = AF_INET; + sock.sin_addr.s_addr = htonl(INADDR_LOOPBACK); + sock.sin_port = 0; + + if (bind(listen_sock, (struct sockaddr *)&sock, sizeof(sock)) < 0) + errx(-1, "bind(%s, %d) for listen socket: %s", + inet_ntoa(sock.sin_addr), sock.sin_port, strerror(errno)); + + len = sizeof(sock); + if (getsockname(listen_sock, (struct sockaddr *)&sock, &len) < 0) + errx(-1, "getsockname() for listen socket: %s", + strerror(errno)); + port = sock.sin_port; + + if (listen(listen_sock, -1) < 0) + errx(-1, "listen() for listen socket: %s", strerror(errno)); + + connect_sock = socket(PF_INET, SOCK_STREAM, 0); + if (connect_sock == -1) + errx(-1, "socket(PF_INET, SOCK_STREAM, 0) for connect " + "socket: %s", strerror(errno)); + + bzero(&sock, sizeof(sock)); + sock.sin_len = sizeof(sock); + sock.sin_family = AF_INET; + sock.sin_addr.s_addr = htonl(INADDR_LOOPBACK); + sock.sin_port = port; + + if (connect(connect_sock, (struct sockaddr *)&sock, sizeof(sock)) < 0) + errx(-1, "connect() for connect socket: %s", strerror(errno)); + /* Try to pass an invalid flags. */ + if ((shutdown(connect_sock, SHUT_RD - 1) != -1) && (errno != EINVAL)) + errx(-1, "shutdown(SHUT_RD - 1) does not return EINVAL"); + if ((shutdown(connect_sock, SHUT_RDWR + 1) != -1) && (errno != EINVAL)) + errx(-1, "shutdown(SHUT_RDWR + 1) does not return EINVAL"); + + if (shutdown(connect_sock, SHUT_RD) < 0) + errx(-1, "shutdown(SHUT_RD) for connect socket: %s", + strerror(errno)); + if (shutdown(connect_sock, SHUT_WR) < 0) + errx(-1, "shutdown(SHUT_WR) for connect socket: %s", + strerror(errno)); + + close(connect_sock); + close(listen_sock); + + return (0); +} diff --git a/tools/regression/sockets/sigpipe/Makefile b/tools/regression/sockets/sigpipe/Makefile new file mode 100644 index 0000000..5116701 --- /dev/null +++ b/tools/regression/sockets/sigpipe/Makefile @@ -0,0 +1,9 @@ +# +# $FreeBSD$ +# + +PROG= sigpipe +MAN= +WARNS?= 6 + +.include <bsd.prog.mk> diff --git a/tools/regression/sockets/sigpipe/sigpipe.c b/tools/regression/sockets/sigpipe/sigpipe.c new file mode 100644 index 0000000..894d9de --- /dev/null +++ b/tools/regression/sockets/sigpipe/sigpipe.c @@ -0,0 +1,322 @@ +/*- + * Copyright (c) 2005 Robert N. M. Watson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/types.h> +#include <sys/socket.h> + +#include <netinet/in.h> + +#include <err.h> +#include <errno.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +/* + * This regression test is intended to verify whether or not SIGPIPE is + * properly generated in several simple test cases, as well as testing + * whether SO_NOSIGPIPE disables SIGPIPE, if available on the system. + * SIGPIPE is generated if a write or send is attempted on a socket that has + * been shutdown for write. This test runs several test cases with UNIX + * domain sockets and TCP sockets to confirm that either EPIPE or SIGPIPE is + * properly returned. + * + * For the purposes of testing TCP, an unused port number must be specified. + */ +static void +usage(void) +{ + + errx(-1, "usage: sigpipe tcpport"); +} + +/* + * Signal catcher. Set a global flag that can be tested by the caller. + */ +static int signaled; +static int +got_signal(void) +{ + + return (signaled); +} + +static void +signal_handler(int signum __unused) +{ + + signaled = 1; +} + +static void +signal_setup(const char *testname) +{ + + signaled = 0; + if (signal(SIGPIPE, signal_handler) == SIG_ERR) + err(-1, "%s: signal(SIGPIPE)", testname); +} + +static void +test_send(const char *testname, int sock) +{ + ssize_t len; + char ch; + + ch = 0; + len = send(sock, &ch, sizeof(ch), 0); + if (len < 0) { + if (errno == EPIPE) + return; + err(-1, "%s: send", testname); + } + errx(-1, "%s: send: returned %zd", testname, len); +} + +static void +test_write(const char *testname, int sock) +{ + ssize_t len; + char ch; + + ch = 0; + len = write(sock, &ch, sizeof(ch)); + if (len < 0) { + if (errno == EPIPE) + return; + err(-1, "%s: write", testname); + } + errx(-1, "%s: write: returned %zd", testname, len); +} + +static void +test_send_wantsignal(const char *testname, int sock1, int sock2) +{ + + if (shutdown(sock2, SHUT_WR) < 0) + err(-1, "%s: shutdown", testname); + signal_setup(testname); + test_send(testname, sock2); + if (!got_signal()) + errx(-1, "%s: send: didn't receive SIGPIPE", testname); + close(sock1); + close(sock2); +} + +#ifdef SO_NOSIGPIPE +static void +test_send_dontsignal(const char *testname, int sock1, int sock2) +{ + int i; + + i = 1; + if (setsockopt(sock2, SOL_SOCKET, SO_NOSIGPIPE, &i, sizeof(i)) < 0) + err(-1, "%s: setsockopt(SOL_SOCKET, SO_NOSIGPIPE)", testname); + if (shutdown(sock2, SHUT_WR) < 0) + err(-1, "%s: shutdown", testname); + signal_setup(testname); + test_send(testname, sock2); + if (got_signal()) + errx(-1, "%s: send: got SIGPIPE", testname); + close(sock1); + close(sock2); +} +#endif + +static void +test_write_wantsignal(const char *testname, int sock1, int sock2) +{ + + if (shutdown(sock2, SHUT_WR) < 0) + err(-1, "%s: shutdown", testname); + signal_setup(testname); + test_write(testname, sock2); + if (!got_signal()) + errx(-1, "%s: write: didn't receive SIGPIPE", testname); + close(sock1); + close(sock2); +} + +#ifdef SO_NOSIGPIPE +static void +test_write_dontsignal(const char *testname, int sock1, int sock2) +{ + int i; + + i = 1; + if (setsockopt(sock2, SOL_SOCKET, SO_NOSIGPIPE, &i, sizeof(i)) < 0) + err(-1, "%s: setsockopt(SOL_SOCKET, SO_NOSIGPIPE)", testname); + if (shutdown(sock2, SHUT_WR) < 0) + err(-1, "%s: shutdown", testname); + signal_setup(testname); + test_write(testname, sock2); + if (got_signal()) + errx(-1, "%s: write: got SIGPIPE", testname); + close(sock1); + close(sock2); +} +#endif + +static int listen_sock; +static void +tcp_setup(u_short port) +{ + struct sockaddr_in sin; + + listen_sock = socket(PF_INET, SOCK_STREAM, 0); + if (listen_sock < 0) + err(-1, "tcp_setup: listen"); + + bzero(&sin, sizeof(sin)); + sin.sin_len = sizeof(sin); + sin.sin_family = AF_INET; + sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK); + sin.sin_port = htons(port); + + if (bind(listen_sock, (struct sockaddr *)&sin, sizeof(sin)) < 0) + err(-1, "tcp_setup: bind"); + + if (listen(listen_sock, -1) < 0) + err(-1, "tcp_setup: listen"); +} + +static void +tcp_teardown(void) +{ + + close(listen_sock); +} + +static void +tcp_pair(u_short port, int sock[2]) +{ + int accept_sock, connect_sock; + struct sockaddr_in sin; + socklen_t len; + + connect_sock = socket(PF_INET, SOCK_STREAM, 0); + if (connect_sock < 0) + err(-1, "tcp_pair: socket"); + + bzero(&sin, sizeof(sin)); + sin.sin_len = sizeof(sin); + sin.sin_family = AF_INET; + sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK); + sin.sin_port = htons(port); + + if (connect(connect_sock, (struct sockaddr *)&sin, sizeof(sin)) < 0) + err(-1, "tcp_pair: connect"); + + sleep(1); /* Time for TCP to settle. */ + + len = sizeof(sin); + accept_sock = accept(listen_sock, (struct sockaddr *)&sin, &len); + if (accept_sock < 0) + err(-1, "tcp_pair: accept"); + + sleep(1); /* Time for TCP to settle. */ + + sock[0] = accept_sock; + sock[1] = connect_sock; +} + +int +main(int argc, char *argv[]) +{ + char *dummy; + int sock[2]; + long port; + + if (argc != 2) + usage(); + + port = strtol(argv[1], &dummy, 10); + if (port < 0 || port > 65535 || *dummy != '\0') + usage(); + +#ifndef SO_NOSIGPIPE + warnx("sigpipe: SO_NOSIGPIPE not defined, skipping some tests"); +#endif + + /* + * UNIX domain socketpair(). + */ + if (socketpair(PF_LOCAL, SOCK_STREAM, 0, sock) < 0) + err(-1, "socketpair(PF_LOCAL, SOCK_STREAM)"); + test_send_wantsignal("test_send_wantsignal(PF_LOCAL)", sock[0], + sock[1]); + +#ifdef SO_NOSIGPIPE + if (socketpair(PF_LOCAL, SOCK_STREAM, 0, sock) < 0) + err(-1, "socketpair(PF_LOCAL, SOCK_STREAM)"); + test_send_dontsignal("test_send_dontsignal(PF_LOCAL)", sock[0], + sock[1]); +#endif + + if (socketpair(PF_LOCAL, SOCK_STREAM, 0, sock) < 0) + err(-1, "socketpair(PF_LOCAL, SOCK_STREAM)"); + test_write_wantsignal("test_write_wantsignal(PF_LOCAL)", sock[0], + sock[1]); + +#ifdef SO_NOSIGPIPE + if (socketpair(PF_LOCAL, SOCK_STREAM, 0, sock) < 0) + err(-1, "socketpair(PF_LOCAL, SOCK_STREAM)"); + test_write_dontsignal("test_write_dontsignal(PF_LOCAL)", sock[0], + sock[1]); +#endif + + /* + * TCP. + */ + tcp_setup(port); + tcp_pair(port, sock); + test_send_wantsignal("test_send_wantsignal(PF_INET)", sock[0], + sock[1]); + +#ifdef SO_NOSIGPIPE + tcp_pair(port, sock); + test_send_dontsignal("test_send_dontsignal(PF_INET)", sock[0], + sock[1]); +#endif + + tcp_pair(port, sock); + test_write_wantsignal("test_write_wantsignal(PF_INET)", sock[0], + sock[1]); + +#ifdef SO_NOSIGPIPE + tcp_pair(port, sock); + test_write_dontsignal("test_write_dontsignal(PF_INET)", sock[0], + sock[1]); +#endif + tcp_teardown(); + + fprintf(stderr, "PASS\n"); + return (0); +} diff --git a/tools/regression/sockets/so_setfib/Makefile b/tools/regression/sockets/so_setfib/Makefile new file mode 100644 index 0000000..90111fb --- /dev/null +++ b/tools/regression/sockets/so_setfib/Makefile @@ -0,0 +1,16 @@ +# $FreeBSD$ + +.include <src.opts.mk> + +PROG= so_setfib +MAN= +WARNS?= 6 + +.if ${MK_INET} != "no" +CFLAGS+= -DINET +.endif +.if ${MK_INET6} != "no" +CFLAGS+= -DINET6 +.endif + +.include <bsd.prog.mk> diff --git a/tools/regression/sockets/so_setfib/so_setfib.c b/tools/regression/sockets/so_setfib/so_setfib.c new file mode 100644 index 0000000..50cb020 --- /dev/null +++ b/tools/regression/sockets/so_setfib/so_setfib.c @@ -0,0 +1,200 @@ +/*- + * Copyright (c) 2012 Cisco Systems, Inc. + * All rights reserved. + * + * This software was developed by Bjoern Zeeb under contract to + * Cisco Systems, Inc.. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +/* + * Regression test on SO_SETFIB setsockopt(2). + * + * Check that the expected domain(9) families all handle the socket option + * correctly and do proper bounds checks. + * + * Test plan: + * 1. Get system wide number of FIBs from sysctl and convert to index (-= 1). + * 2. For each protocol family (INET, INET6, ROUTE and LOCAL) open socketes of + * type (STREAM, DGRAM and RAW) as supported. + * 3. Do a sequence of -2, -1, 0, .. n, n+1, n+2 SO_SETFIB sockopt calls, + * expecting the first two and last two to fail (valid 0 ... n). + * 4. Try 3 random numbers. Calculate result based on valid range. + * 5. Repeat for next domain family and type from (2) on. + */ + +#include <sys/param.h> +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/sysctl.h> + +#include <err.h> +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +static struct t_dom { + int domain; + const char *name; +} t_dom[] = { +#ifdef INET6 + { .domain = PF_INET6, .name = "PF_INET6" }, +#endif +#ifdef INET + { .domain = PF_INET, .name = "PF_INET" }, +#endif + { .domain = PF_ROUTE, .name = "PF_ROUTE" }, + { .domain = PF_LOCAL, .name = "PF_LOCAL" }, +}; + +static struct t_type { + int type; + const char *name; +} t_type[] = { + { .type = SOCK_STREAM, .name = "SOCK_STREAM" }, + { .type = SOCK_DGRAM, .name = "SOCK_DGRAM" }, + { .type = SOCK_RAW, .name = "SOCK_RAW" }, +}; + +/* + * Number of FIBs as read from net.fibs sysctl - 1. Initialize to clear out of + * bounds value to not accidentally run on a limited range. + */ +static int rt_numfibs = -42; + +/* Number of test case. */ +static int testno = 1; + + +/* + * Try the setsockopt with given FIB number i on socket s. + * Handle result given on error and valid range and errno. + */ +static void +so_setfib(int s, int i, u_int dom, u_int type) +{ + int error; + + error = setsockopt(s, SOL_SOCKET, SO_SETFIB, &i, sizeof(i)); + /* For out of bounds we expect an error. */ + if (error == -1 && (i < 0 || i > rt_numfibs)) + printf("ok %d %s_%s_%d\n", testno, t_dom[dom].name, + t_type[type].name, i); + else if (error != -1 && (i < 0 || i > rt_numfibs)) + printf("not ok %d %s_%s_%d # setsockopt(%d, SOL_SOCKET, " + "SO_SETFIB, %d, ..) unexpectedly succeeded\n", testno, + t_dom[dom].name, t_type[type].name, i, s, i); + else if (error == 0) + printf("ok %d %s_%s_%d\n", testno, t_dom[dom].name, + t_type[type].name, i); + else if (errno != EINVAL) + printf("not ok %d %s_%s_%d # setsockopt(%d, SOL_SOCKET, " + "SO_SETFIB, %d, ..) unexpected error: %s\n", testno, + t_dom[dom].name, t_type[type].name, i, s, i, + strerror(errno)); + else + printf("not ok %d %s_%s_%d\n", testno, t_dom[dom].name, + t_type[type].name, i); + + /* Test run done, next please. */ + testno++; +} + +/* + * Main test. Open socket given domain family and type. For each FIB, out of + * bounds FIB numbers and 3 random FIB numbers set the socket option. + */ +static void +t(u_int dom, u_int type) +{ + int i, s; + + /* PF_ROUTE only supports RAW socket types, while PF_LOCAL does not. */ + if (t_dom[dom].domain == PF_ROUTE && t_type[type].type != SOCK_RAW) + return; + if (t_dom[dom].domain == PF_LOCAL && t_type[type].type == SOCK_RAW) + return; + + /* Open socket for given combination. */ + s = socket(t_dom[dom].domain, t_type[type].type, 0); + if (s == -1) { + printf("not ok %d %s_%s # socket(): %s\n", testno, + t_dom[dom].name, t_type[type].name, strerror(errno)); + testno++; + return; + } + + /* Test FIBs -2, -1, 0, .. n, n + 1, n + 2. */ + for (i = -2; i <= (rt_numfibs + 2); i++) + so_setfib(s, i, dom, type); + + /* Test 3 random FIB numbers. */ + for (i = 0; i < 3; i++) + so_setfib(s, (int)random(), dom, type); + + /* Close socket. */ + close(s); +} + +/* + * Returns 0 if no program error, 1 on sysctlbyname error. + * Test results are communicated by printf("[not ]ok <n> .."). + */ +int +main(int argc __unused, char *argv[] __unused) +{ + u_int i, j; + size_t s; + + if (geteuid() != 0) { + printf("1..0 # SKIP: must be root"); + return (0); + } + + /* Initalize randomness. */ + srandomdev(); + + /* Get number of FIBs supported by kernel. */ + s = sizeof(rt_numfibs); + if (sysctlbyname("net.fibs", &rt_numfibs, &s, NULL, 0) == -1) + err(1, "sysctlbyname(net.fibs, ..)"); + + printf("1..%lu\n", + (nitems(t_dom) - 1) * nitems(t_type) * (2 + rt_numfibs + 2 + 3)); + + /* Adjust from number to index. */ + rt_numfibs -= 1; + + /* Run tests. */ + for (i = 0; i < sizeof(t_dom) / sizeof(struct t_dom); i++) + for (j = 0; j < sizeof(t_type) / sizeof(struct t_type); j++) + t(i, j); + + return (0); +} + +/* end */ diff --git a/tools/regression/sockets/socketpair/Makefile b/tools/regression/sockets/socketpair/Makefile new file mode 100644 index 0000000..ed66e3c --- /dev/null +++ b/tools/regression/sockets/socketpair/Makefile @@ -0,0 +1,9 @@ +# +# $FreeBSD$ +# + +PROG= socketpair +MAN= +WARNS?= 6 + +.include <bsd.prog.mk> diff --git a/tools/regression/sockets/socketpair/socketpair.c b/tools/regression/sockets/socketpair/socketpair.c new file mode 100644 index 0000000..779878a --- /dev/null +++ b/tools/regression/sockets/socketpair/socketpair.c @@ -0,0 +1,161 @@ +/*- + * Copyright (c) 2004 Robert N. M. Watson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/types.h> +#include <sys/socket.h> + +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +/* + * Open, then close a set of UNIX domain socket pairs for datagram and + * stream. + * + * Confirm that we can't open INET datagram or stream socket pairs. + * + * More tests should be added, including confirming that sending on either + * endpoint results in data at the other, that the right kind of socket was + * created (stream vs. datagram), and that message boundaries fall in the + * right places. + */ +int +main(void) +{ + int fd1, fd2, fd3; + int sv[2]; + + /* + * UNIX domain socket pair, datagram. + */ + if (socketpair(PF_UNIX, SOCK_DGRAM, 0, sv) != 0) { + fprintf(stderr, "socketpair(PF_UNIX, SOCK_DGRAM): %s\n", + strerror(errno)); + fprintf(stderr, "FAIL\n"); + exit(-1); + } + if (close(sv[0]) != 0) { + fprintf(stderr, "socketpair(PF_UNIX, SOCK_DGRAM) close 0: %s\n", + strerror(errno)); + fprintf(stderr, "FAIL\n"); + exit(-1); + } + if (close(sv[1]) != 0) { + fprintf(stderr, "socketpair(PF_UNIX, SOCK_DGRAM) close 1: %s\n", + strerror(errno)); + fprintf(stderr, "FAIL\n"); + exit(-1); + } + + /* + * UNIX domain socket pair, stream. + */ + if (socketpair(PF_UNIX, SOCK_STREAM, 0, sv) != 0) { + fprintf(stderr, "socketpair(PF_UNIX, SOCK_STREAM): %s\n", + strerror(errno)); + fprintf(stderr, "FAIL\n"); + exit(-1); + } + if (close(sv[0]) != 0) { + fprintf(stderr, "socketpair(PF_UNIX, SOCK_STREAM) close 0: %s\n", + strerror(errno)); + fprintf(stderr, "FAIL\n"); + exit(-1); + } + if (close(sv[1]) != 0) { + fprintf(stderr, "socketpair(PF_UNIX, SOCK_STREAM) close 1: " + "%s\n", strerror(errno)); + fprintf(stderr, "FAIL\n"); + exit(-1); + } + + /* + * Confirm that PF_INET datagram socket pair creation fails. + */ + if (socketpair(PF_INET, SOCK_DGRAM, 0, sv) == 0) { + fprintf(stderr, "socketpair(PF_INET, SOCK_DGRAM): opened\n"); + fprintf(stderr, "FAIL\n"); + exit(-1); + } + if (errno != EOPNOTSUPP) { + fprintf(stderr, "socketpair(PF_INET, SOCK_DGRAM): %s\n", + strerror(errno)); + fprintf(stderr, "FAIL\n"); + } + + /* + * Confirm that PF_INET stream socket pair creation fails. + */ + if (socketpair(PF_INET, SOCK_STREAM, 0, sv) == 0) { + fprintf(stderr, "socketpair(PF_INET, SOCK_STREAM): opened\n"); + fprintf(stderr, "FAIL\n"); + exit(-1); + } + if (errno != EOPNOTSUPP) { + fprintf(stderr, "socketpair(PF_INET, SOCK_STREAM): %s\n", + strerror(errno)); + fprintf(stderr, "FAIL\n"); + } + + /* + * Check for sequential fd allocation, and give up early if not. + */ + fd1 = dup(STDIN_FILENO); + fd2 = dup(STDIN_FILENO); + if (fd2 != fd1 + 1) { + fprintf(stderr, "Non-sequential fd allocation\n"); + fprintf(stderr, "FAIL\n"); + exit(-1); + } + + /* Allocate a socketpair using a bad destination address. */ + if (socketpair(PF_UNIX, SOCK_DGRAM, 0, NULL) == 0) { + fprintf(stderr, "socketpair(PF_UNIX, SOCK_DGRAM, NULL): opened\n"); + fprintf(stderr, "FAIL\n"); + exit(-1); + } + if (errno != EFAULT) { + fprintf(stderr, "socketpair(PF_UNIX, SOCK_DGRAM, NULL): %s\n", + strerror(errno)); + fprintf(stderr, "FAIL\n"); + exit(-1); + } + + /* Allocate a file descriptor and make sure it's fd2+1. */ + fd3 = dup(STDIN_FILENO); + if (fd3 != fd2 + 1) { + fprintf(stderr, "socketpair(..., NULL) allocated descriptors\n"); + fprintf(stderr, "FAIL\n"); + exit(-1); + } + + fprintf(stderr, "PASS\n"); + exit(0); +} diff --git a/tools/regression/sockets/unix_bindconnect/Makefile b/tools/regression/sockets/unix_bindconnect/Makefile new file mode 100644 index 0000000..52cc844 --- /dev/null +++ b/tools/regression/sockets/unix_bindconnect/Makefile @@ -0,0 +1,7 @@ +# $FreeBSD$ + +PROG= unix_bindconnect +MAN= +WARNS?= 6 + +.include <bsd.prog.mk> diff --git a/tools/regression/sockets/unix_bindconnect/unix_bindconnect.c b/tools/regression/sockets/unix_bindconnect/unix_bindconnect.c new file mode 100644 index 0000000..079dc4d --- /dev/null +++ b/tools/regression/sockets/unix_bindconnect/unix_bindconnect.c @@ -0,0 +1,318 @@ +/*- + * Copyright (c) 2005 Robert N. M. Watson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/un.h> + +#include <err.h> +#include <errno.h> +#include <limits.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> + +/* + * Simple regression test to exercise some error cases relating to the use of + * bind() and connect() on UNIX domain sockets. In particular, make sure + * that when two sockets rendezvous using the file system name space, they + * get the expected success/failure cases. + * + * TODO: + * - Check that the resulting file mode/owner are right. + * - Do the same tests with UNIX domain sockets. + * - Check the results of getsockaddr() and getpeeraddr(). + */ + +#define SOCK_NAME_ONE "socket.1" +#define SOCK_NAME_TWO "socket.2" + +#define UNWIND_MAX 1024 + +static int unwind_len; +static struct unwind { + char u_path[PATH_MAX]; +} unwind_list[UNWIND_MAX]; + +static void +push_path(const char *path) +{ + + if (unwind_len >= UNWIND_MAX) + err(-1, "push_path: one path too many (%s)", path); + + strlcpy(unwind_list[unwind_len].u_path, path, PATH_MAX); + unwind_len++; +} + +static void +unwind(void) +{ + int i; + + for (i = unwind_len - 1; i >= 0; i--) { + unlink(unwind_list[i].u_path); + rmdir(unwind_list[i].u_path); + } +} + +static int +bind_test(const char *directory_path) +{ + char socket_path[PATH_MAX]; + struct sockaddr_un sun; + int sock1, sock2; + + sock1 = socket(PF_UNIX, SOCK_STREAM, 0); + if (sock1 < 0) { + warn("bind_test: socket(PF_UNIX, SOCK_STREAM, 0)"); + return (-1); + } + + if (snprintf(socket_path, sizeof(socket_path), "%s/%s", + directory_path, SOCK_NAME_ONE) >= PATH_MAX) { + warn("bind_test: snprintf(socket_path)"); + close(sock1); + return (-1); + } + + bzero(&sun, sizeof(sun)); + sun.sun_len = sizeof(sun); + sun.sun_family = AF_UNIX; + if (snprintf(sun.sun_path, sizeof(sun.sun_path), "%s", socket_path) + >= (int)sizeof(sun.sun_path)) { + warn("bind_test: snprintf(sun.sun_path)"); + close(sock1); + return (-1); + } + + if (bind(sock1, (struct sockaddr *)&sun, sizeof(sun)) < 0) { + warn("bind_test: bind(sun) #1"); + close(sock1); + return (-1); + } + + push_path(socket_path); + + /* + * Once a STREAM UNIX domain socket has been bound, it can't be + * rebound. Expected error is EINVAL. + */ + if (bind(sock1, (struct sockaddr *)&sun, sizeof(sun)) == 0) { + warnx("bind_test: bind(sun) #2 succeeded"); + close(sock1); + return (-1); + } + if (errno != EINVAL) { + warn("bind_test: bind(sun) #2"); + close(sock1); + return (-1); + } + + sock2 = socket(PF_UNIX, SOCK_STREAM, 0); + if (sock2 < 0) { + warn("bind_test: socket(PF_UNIX, SOCK_STREAM, 0)"); + close(sock1); + return (-1); + } + + /* + * Since a socket is already bound to the pathname, it can't be bound + * to a second socket. Expected error is EADDRINUSE. + */ + if (bind(sock2, (struct sockaddr *)&sun, sizeof(sun)) == 0) { + warnx("bind_test: bind(sun) #3 succeeded"); + close(sock1); + close(sock2); + return (-1); + } + if (errno != EADDRINUSE) { + warn("bind_test: bind(sun) #2"); + close(sock1); + close(sock2); + return (-1); + } + + close(sock1); + + /* + * The socket bound to the pathname has been closed, but the pathname + * can't be reused without first being unlinked. Expected error is + * EADDRINUSE. + */ + if (bind(sock2, (struct sockaddr *)&sun, sizeof(sun)) == 0) { + warnx("bind_test: bind(sun) #4 succeeded"); + close(sock2); + return (-1); + } + if (errno != EADDRINUSE) { + warn("bind_test: bind(sun) #4"); + close(sock2); + return (-1); + } + + unlink(socket_path); + + /* + * The pathname is now free, so the socket should be able to bind to + * it. + */ + if (bind(sock2, (struct sockaddr *)&sun, sizeof(sun)) < 0) { + warn("bind_test: bind(sun) #5"); + close(sock2); + return (-1); + } + + close(sock2); + return (0); +} + +static int +connect_test(const char *directory_path) +{ + char socket_path[PATH_MAX]; + struct sockaddr_un sun; + int sock1, sock2; + + sock1 = socket(PF_UNIX, SOCK_STREAM, 0); + if (sock1 < 0) { + warn("connect_test: socket(PF_UNIX, SOCK_STREAM, 0)"); + return (-1); + } + + if (snprintf(socket_path, sizeof(socket_path), "%s/%s", + directory_path, SOCK_NAME_TWO) >= PATH_MAX) { + warn("connect_test: snprintf(socket_path)"); + close(sock1); + return (-1); + } + + bzero(&sun, sizeof(sun)); + sun.sun_len = sizeof(sun); + sun.sun_family = AF_UNIX; + if (snprintf(sun.sun_path, sizeof(sun.sun_path), "%s", socket_path) + >= (int)sizeof(sun.sun_path)) { + warn("connect_test: snprintf(sun.sun_path)"); + close(sock1); + return (-1); + } + + /* + * Try connecting to a path that doesn't yet exist. Should fail with + * ENOENT. + */ + if (connect(sock1, (struct sockaddr *)&sun, sizeof(sun)) == 0) { + warnx("connect_test: connect(sun) #1 succeeded"); + close(sock1); + return (-1); + } + if (errno != ENOENT) { + warn("connect_test: connect(sun) #1"); + close(sock1); + return (-1); + } + + if (bind(sock1, (struct sockaddr *)&sun, sizeof(sun)) < 0) { + warn("connect_test: bind(sun) #1"); + close(sock1); + return (-1); + } + + if (listen(sock1, 3) < 0) { + warn("connect_test: listen(sock1)"); + close(sock1); + return (-1); + } + + push_path(socket_path); + + sock2 = socket(PF_UNIX, SOCK_STREAM, 0); + if (sock2 < 0) { + warn("socket(PF_UNIX, SOCK_STREAM, 0)"); + close(sock1); + return (-1); + } + + /* + * Do a simple connect and make sure that works. + */ + if (connect(sock2, (struct sockaddr *)&sun, sizeof(sun)) < 0) { + warn("connect(sun) #2"); + close(sock1); + return (-1); + } + + close(sock2); + + close(sock1); + + sock2 = socket(PF_UNIX, SOCK_STREAM, 0); + if (sock2 < 0) { + warn("socket(PF_UNIX, SOCK_STREAM, 0)"); + return (-1); + } + + /* + * Confirm that once the listen socket is closed, we get a + * connection refused (ECONNREFUSED) when attempting to connect to + * the pathname. + */ + if (connect(sock2, (struct sockaddr *)&sun, sizeof(sun)) == 0) { + warnx("connect(sun) #3 succeeded"); + close(sock2); + return (-1); + } + if (errno != ECONNREFUSED) { + warn("connect(sun) #3"); + close(sock2); + return (-1); + } + + close(sock2); + unlink(socket_path); + return (0); +} +int +main(void) +{ + char directory_path[PATH_MAX]; + int error; + + strlcpy(directory_path, "/tmp/unix_bind.XXXXXXX", PATH_MAX); + if (mkdtemp(directory_path) == NULL) + err(-1, "mkdtemp"); + push_path(directory_path); + + error = bind_test(directory_path); + + if (error == 0) + error = connect_test(directory_path); + + unwind(); + return (error); +} diff --git a/tools/regression/sockets/unix_close_race/Makefile b/tools/regression/sockets/unix_close_race/Makefile new file mode 100644 index 0000000..370adc4 --- /dev/null +++ b/tools/regression/sockets/unix_close_race/Makefile @@ -0,0 +1,7 @@ +# $FreeBSD$ + +PROG= unix_close_race +MAN= +WARNS?= 6 + +.include <bsd.prog.mk> diff --git a/tools/regression/sockets/unix_close_race/unix_close_race.c b/tools/regression/sockets/unix_close_race/unix_close_race.c new file mode 100644 index 0000000..89c1b20 --- /dev/null +++ b/tools/regression/sockets/unix_close_race/unix_close_race.c @@ -0,0 +1,143 @@ +/*- + * Copyright (c) 2010 Mikolaj Golub + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +/* + * This regression test attempts to trigger a race that occurs when both + * endpoints of a connected UNIX domain socket are closed at once. The two + * close paths may run concurrently leading to a call to sodisconnect() on an + * already-closed socket in kernel. Before it was fixed, this might lead to + * ENOTCONN being returned improperly from close(). + * + * This race is fairly timing-dependent, so it effectively requires SMP, and + * may not even trigger then. + */ + +#include <sys/types.h> +#include <sys/select.h> +#include <sys/socket.h> +#include <sys/sysctl.h> +#include <sys/un.h> +#include <netinet/in.h> +#include <arpa/inet.h> +#include <errno.h> +#include <fcntl.h> +#include <signal.h> +#include <stdlib.h> +#include <stdio.h> +#include <strings.h> +#include <string.h> +#include <unistd.h> +#include <err.h> + +static char socket_path[] = "tmp.XXXXXXXX"; + +#define USLEEP 100 +#define LOOPS 100000 + +int +main(void) +{ + struct sockaddr_un servaddr; + int listenfd, connfd, pid; + u_int counter, ncpus; + size_t len; + + len = sizeof(ncpus); + if (sysctlbyname("kern.smp.cpus", &ncpus, &len, NULL, 0) < 0) + err(1, "kern.smp.cpus"); + if (len != sizeof(ncpus)) + errx(1, "kern.smp.cpus: invalid length"); + if (ncpus < 2) + warnx("SMP not present, test may be unable to trigger race"); + + if (mkstemp(socket_path) == -1) + err(1, "mkstemp failed"); + unlink(socket_path); + + /* + * Create a UNIX domain socket that the child will repeatedly + * accept() from, and that the parent will repeatedly connect() to. + */ + if ((listenfd = socket(AF_LOCAL, SOCK_STREAM, 0)) < 0) + err(1, "parent: socket error"); + (void)unlink(socket_path); + bzero(&servaddr, sizeof(servaddr)); + servaddr.sun_family = AF_LOCAL; + strcpy(servaddr.sun_path, socket_path); + if (bind(listenfd, (struct sockaddr *) &servaddr, + sizeof(servaddr)) < 0) + err(1, "parent: bind error"); + if (listen(listenfd, 1024) < 0) + err(1, "parent: listen error"); + + pid = fork(); + if (pid == -1) + err(1, "fork()"); + if (pid != 0) { + /* + * In the parent, repeatedly connect and disconnect from the + * socket, attempting to induce the race. + */ + close(listenfd); + sleep(1); + bzero(&servaddr, sizeof(servaddr)); + servaddr.sun_family = AF_LOCAL; + strcpy(servaddr.sun_path, socket_path); + for (counter = 0; counter < LOOPS; counter++) { + if ((connfd = socket(AF_LOCAL, SOCK_STREAM, 0)) < 0) { + (void)kill(pid, SIGTERM); + err(1, "parent: socket error"); + } + if (connect(connfd, (struct sockaddr *)&servaddr, + sizeof(servaddr)) < 0) { + (void)kill(pid, SIGTERM); + err(1, "parent: connect error"); + } + if (close(connfd) < 0) { + (void)kill(pid, SIGTERM); + err(1, "parent: close error"); + } + usleep(USLEEP); + } + (void)kill(pid, SIGTERM); + } else { + /* + * In the child, loop accepting and closing. We may pick up + * the race here so report errors from close(). + */ + for ( ; ; ) { + if ((connfd = accept(listenfd, + (struct sockaddr *)NULL, NULL)) < 0) + err(1, "child: accept error"); + if (close(connfd) < 0) + err(1, "child: close error"); + } + } + printf("OK\n"); + exit(0); +} diff --git a/tools/regression/sockets/unix_cmsg/Makefile b/tools/regression/sockets/unix_cmsg/Makefile new file mode 100644 index 0000000..9ccab6d --- /dev/null +++ b/tools/regression/sockets/unix_cmsg/Makefile @@ -0,0 +1,7 @@ +# $FreeBSD$ + +PROG= unix_cmsg +MAN= +WARNS?= 3 + +.include <bsd.prog.mk> diff --git a/tools/regression/sockets/unix_cmsg/README b/tools/regression/sockets/unix_cmsg/README new file mode 100644 index 0000000..df51723 --- /dev/null +++ b/tools/regression/sockets/unix_cmsg/README @@ -0,0 +1,160 @@ +$FreeBSD$ + +About unix_cmsg +=============== + +This program is a collection of regression tests for ancillary data +(control information) for PF_LOCAL sockets (local domain or Unix domain +sockets). There are tests for stream and datagram sockets. + +Usually each test does following steps: creates Server, forks Client, +Client sends something to Server, Server verifies whether everything is +correct in received message(s). + +It is better to change the owner of unix_cmsg to some safe user +(eg. nobody:nogroup) and set SUID and SGID bits, else some tests that +check credentials can give correct results for wrong implementation. + +It is better to run this program by a user that belongs to more +than 16 groups. + +Available options +================= + +usage: unix_cmsg [-dh] [-n num] [-s size] [-t type] [-z value] [testno] + + Options are: + -d Output debugging information + -h Output the help message and exit + -n num Number of messages to send + -s size Specify size of data for IPC + -t type Specify socket type (stream, dgram) for tests + -z value Do not send data in a message (bit 0x1), do not send + data array associated with a cmsghdr structure (bit 0x2) + testno Run one test by its number (require the -t option) + +Description +=========== + +If Client sends something to Server, then it sends 5 messages by default. +Number of messages can be changed in the -n command line option. Number +of messages will be given as N in the following descriptions. + +If Client sends something to Server, then it sends some data (few bytes) +in each message by default. The size of this data can be changed by the -s +command line option. The "-s 0" command line option means, that Client will +send zero bytes represented by { NULL, 0 } value of struct iovec{}, referenced +by the msg_iov field from struct msghdr{}. The "-z 1" or "-z 3" command line +option means, that Client will send zero bytes represented by the NULL value +in the msg_iov field from struct msghdr{}. + +If Client sends some ancillary data object, then this ancillary data object +always has associated data array by default. The "-z 2" or "-z 3" option +means, that Client will not send associated data array if possible. + +For SOCK_STREAM sockets: +----------------------- + + 1: Sending, receiving cmsgcred + + Client connects to Server and sends N messages with SCM_CREDS ancillary + data object. Server should receive N messages, each message should + have SCM_CREDS ancillary data object followed by struct cmsgcred{}. + + 2: Receiving sockcred (listening socket) + + Server creates a listening stream socket and sets the LOCAL_CREDS + socket option for it. Client connects to Server two times, each time + it sends N messages. Server accepts two connections and receives N + messages from each connection. The first message from each connection + should have SCM_CREDS ancillary data object followed by struct sockcred{}, + next messages from the same connection should not have ancillary data. + + 3: Receiving sockcred (accepted socket) + + Client connects to Server. Server accepts connection and sets the + LOCAL_CREDS socket option for just accepted socket. Client sends N + messages to Server. Server should receive N messages, the first + message should have SCM_CREDS ancillary data object followed by + struct sockcred{}, next messages should not have ancillary data. + + 4: Sending cmsgcred, receiving sockcred + + Server creates a listening stream socket and sets the LOCAL_CREDS + socket option for it. Client connects to Server and sends N messages + with SCM_CREDS ancillary data object. Server should receive N messages, + the first message should have SCM_CREDS ancillary data object followed + by struct sockcred{}, each of next messages should have SCM_CREDS + ancillary data object followed by struct cmsgcred{}. + + 5: Sending, receiving timeval + + Client connects to Server and sends message with SCM_TIMESTAMP ancillary + data object. Server should receive one message with SCM_TIMESTAMP + ancillary data object followed by struct timeval{}. + + 6: Sending, receiving bintime + + Client connects to Server and sends message with SCM_BINTIME ancillary + data object. Server should receive one message with SCM_BINTIME + ancillary data object followed by struct bintime{}. + + 7: Checking cmsghdr.cmsg_len + + Client connects to Server and tries to send several messages with + SCM_CREDS ancillary data object that has wrong cmsg_len field in its + struct cmsghdr{}. All these attempts should fail, since cmsg_len + in all requests is less than CMSG_LEN(0). + + 8: Check LOCAL_PEERCRED socket option + + This test does not use ancillary data, but can be implemented here. + Client connects to Server. Both Client and Server verify that + credentials of the peer are correct using LOCAL_PEERCRED socket option. + +For SOCK_DGRAM sockets: +---------------------- + + 1: Sending, receiving cmsgcred + + Client connects to Server and sends N messages with SCM_CREDS ancillary + data object. Server should receive N messages, each message should + have SCM_CREDS ancillary data object followed by struct cmsgcred{}. + + 2: Receiving sockcred + + Server creates datagram socket and sets the LOCAL_CREDS socket option + for it. Client sends N messages to Server. Server should receive N + messages, each message should have SCM_CREDS ancillary data object + followed by struct sockcred{}. + + 3: Sending cmsgcred, receiving sockcred + + Server creates datagram socket and sets the LOCAL_CREDS socket option + for it. Client sends N messages with SCM_CREDS ancillary data object + to Server. Server should receive N messages, the first message should + have SCM_CREDS ancillary data object followed by struct sockcred{}, + each of next messages should have SCM_CREDS ancillary data object + followed by struct cmsgcred{}. + + 4: Sending, receiving timeval + + Client sends one message with SCM_TIMESTAMP ancillary data object + to Server. Server should receive one message with SCM_TIMESTAMP + ancillary data object followed by struct timeval{}. + + 5: Sending, receiving bintime + + Client sends one message with SCM_BINTIME ancillary data object + to Server. Server should receive one message with SCM_BINTIME + ancillary data object followed by struct bintime{}. + + 6: Checking cmsghdr.cmsg_len + + Client tries to send Server several messages with SCM_CREDS ancillary + data object that has wrong cmsg_len field in its struct cmsghdr{}. + All these attempts should fail, since cmsg_len in all requests is less + than CMSG_LEN(0). + +- Andrey Simonenko +andreysimonenko@users.sourceforge.net diff --git a/tools/regression/sockets/unix_cmsg/unix_cmsg.c b/tools/regression/sockets/unix_cmsg/unix_cmsg.c new file mode 100644 index 0000000..d91cef4 --- /dev/null +++ b/tools/regression/sockets/unix_cmsg/unix_cmsg.c @@ -0,0 +1,1969 @@ +/*- + * Copyright (c) 2005 Andrey Simonenko + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/resource.h> +#include <sys/time.h> +#include <sys/select.h> +#include <sys/socket.h> +#include <sys/ucred.h> +#include <sys/un.h> +#include <sys/wait.h> + +#include <ctype.h> +#include <err.h> +#include <errno.h> +#include <fcntl.h> +#include <inttypes.h> +#include <limits.h> +#include <paths.h> +#include <signal.h> +#include <stdarg.h> +#include <stdbool.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +/* + * There are tables with tests descriptions and pointers to test + * functions. Each t_*() function returns 0 if its test passed, + * -1 if its test failed, -2 if some system error occurred. + * If a test function returns -2, then a program exits. + * + * If a test function forks a client process, then it waits for its + * termination. If a return code of a client process is not equal + * to zero, or if a client process was terminated by a signal, then + * a test function returns -1 or -2 depending on exit status of + * a client process. + * + * Each function which can block, is run under TIMEOUT. If timeout + * occurs, then a test function returns -2 or a client process exits + * with a non-zero return code. + */ + +#ifndef LISTENQ +# define LISTENQ 1 +#endif + +#ifndef TIMEOUT +# define TIMEOUT 2 +#endif + +static int t_cmsgcred(void); +static int t_sockcred_1(void); +static int t_sockcred_2(void); +static int t_cmsgcred_sockcred(void); +static int t_timeval(void); +static int t_bintime(void); +static int t_cmsg_len(void); +static int t_peercred(void); + +struct test_func { + int (*func)(void); + const char *desc; +}; + +static const struct test_func test_stream_tbl[] = { + { + .func = NULL, + .desc = "All tests" + }, + { + .func = t_cmsgcred, + .desc = "Sending, receiving cmsgcred" + }, + { + .func = t_sockcred_1, + .desc = "Receiving sockcred (listening socket)" + }, + { + .func = t_sockcred_2, + .desc = "Receiving sockcred (accepted socket)" + }, + { + .func = t_cmsgcred_sockcred, + .desc = "Sending cmsgcred, receiving sockcred" + }, + { + .func = t_timeval, + .desc = "Sending, receiving timeval" + }, + { + .func = t_bintime, + .desc = "Sending, receiving bintime" + }, + { + .func = t_cmsg_len, + .desc = "Check cmsghdr.cmsg_len" + }, + { + .func = t_peercred, + .desc = "Check LOCAL_PEERCRED socket option" + } +}; + +#define TEST_STREAM_TBL_SIZE \ + (sizeof(test_stream_tbl) / sizeof(test_stream_tbl[0])) + +static const struct test_func test_dgram_tbl[] = { + { + .func = NULL, + .desc = "All tests" + }, + { + .func = t_cmsgcred, + .desc = "Sending, receiving cmsgcred" + }, + { + .func = t_sockcred_2, + .desc = "Receiving sockcred" + }, + { + .func = t_cmsgcred_sockcred, + .desc = "Sending cmsgcred, receiving sockcred" + }, + { + .func = t_timeval, + .desc = "Sending, receiving timeval" + }, + { + .func = t_bintime, + .desc = "Sending, receiving bintime" + }, + { + .func = t_cmsg_len, + .desc = "Check cmsghdr.cmsg_len" + } +}; + +#define TEST_DGRAM_TBL_SIZE \ + (sizeof(test_dgram_tbl) / sizeof(test_dgram_tbl[0])) + +static bool debug = false; +static bool server_flag = true; +static bool send_data_flag = true; +static bool send_array_flag = true; +static bool failed_flag = false; + +static int sock_type; +static const char *sock_type_str; + +static const char *proc_name; + +static char work_dir[] = _PATH_TMP "unix_cmsg.XXXXXXX"; +static int serv_sock_fd; +static struct sockaddr_un serv_addr_sun; + +static struct { + char *buf_send; + char *buf_recv; + size_t buf_size; + u_int msg_num; +} ipc_msg; + +#define IPC_MSG_NUM_DEF 5 +#define IPC_MSG_NUM_MAX 10 +#define IPC_MSG_SIZE_DEF 7 +#define IPC_MSG_SIZE_MAX 128 + +static struct { + uid_t uid; + uid_t euid; + gid_t gid; + gid_t egid; + gid_t *gid_arr; + int gid_num; +} proc_cred; + +static pid_t client_pid; + +#define SYNC_SERVER 0 +#define SYNC_CLIENT 1 +#define SYNC_RECV 0 +#define SYNC_SEND 1 + +static int sync_fd[2][2]; + +#define LOGMSG_SIZE 128 + +static void logmsg(const char *, ...) __printflike(1, 2); +static void logmsgx(const char *, ...) __printflike(1, 2); +static void dbgmsg(const char *, ...) __printflike(1, 2); +static void output(const char *, ...) __printflike(1, 2); + +static void +usage(bool verbose) +{ + u_int i; + + printf("usage: %s [-dh] [-n num] [-s size] [-t type] " + "[-z value] [testno]\n", getprogname()); + if (!verbose) + return; + printf("\n Options are:\n\ + -d Output debugging information\n\ + -h Output the help message and exit\n\ + -n num Number of messages to send\n\ + -s size Specify size of data for IPC\n\ + -t type Specify socket type (stream, dgram) for tests\n\ + -z value Do not send data in a message (bit 0x1), do not send\n\ + data array associated with a cmsghdr structure (bit 0x2)\n\ + testno Run one test by its number (require the -t option)\n\n"); + printf(" Available tests for stream sockets:\n"); + for (i = 0; i < TEST_STREAM_TBL_SIZE; ++i) + printf(" %u: %s\n", i, test_stream_tbl[i].desc); + printf("\n Available tests for datagram sockets:\n"); + for (i = 0; i < TEST_DGRAM_TBL_SIZE; ++i) + printf(" %u: %s\n", i, test_dgram_tbl[i].desc); +} + +static void +output(const char *format, ...) +{ + char buf[LOGMSG_SIZE]; + va_list ap; + + va_start(ap, format); + if (vsnprintf(buf, sizeof(buf), format, ap) < 0) + err(EXIT_FAILURE, "output: vsnprintf failed"); + write(STDOUT_FILENO, buf, strlen(buf)); + va_end(ap); +} + +static void +logmsg(const char *format, ...) +{ + char buf[LOGMSG_SIZE]; + va_list ap; + int errno_save; + + errno_save = errno; + va_start(ap, format); + if (vsnprintf(buf, sizeof(buf), format, ap) < 0) + err(EXIT_FAILURE, "logmsg: vsnprintf failed"); + if (errno_save == 0) + output("%s: %s\n", proc_name, buf); + else + output("%s: %s: %s\n", proc_name, buf, strerror(errno_save)); + va_end(ap); + errno = errno_save; +} + +static void +vlogmsgx(const char *format, va_list ap) +{ + char buf[LOGMSG_SIZE]; + + if (vsnprintf(buf, sizeof(buf), format, ap) < 0) + err(EXIT_FAILURE, "logmsgx: vsnprintf failed"); + output("%s: %s\n", proc_name, buf); + +} + +static void +logmsgx(const char *format, ...) +{ + va_list ap; + + va_start(ap, format); + vlogmsgx(format, ap); + va_end(ap); +} + +static void +dbgmsg(const char *format, ...) +{ + va_list ap; + + if (debug) { + va_start(ap, format); + vlogmsgx(format, ap); + va_end(ap); + } +} + +static int +run_tests(int type, u_int testno1) +{ + const struct test_func *tf; + u_int i, testno2, failed_num; + + sock_type = type; + if (type == SOCK_STREAM) { + sock_type_str = "SOCK_STREAM"; + tf = test_stream_tbl; + i = TEST_STREAM_TBL_SIZE - 1; + } else { + sock_type_str = "SOCK_DGRAM"; + tf = test_dgram_tbl; + i = TEST_DGRAM_TBL_SIZE - 1; + } + if (testno1 == 0) { + testno1 = 1; + testno2 = i; + } else + testno2 = testno1; + + output("Running tests for %s sockets:\n", sock_type_str); + failed_num = 0; + for (i = testno1, tf += testno1; i <= testno2; ++tf, ++i) { + output(" %u: %s\n", i, tf->desc); + switch (tf->func()) { + case -1: + ++failed_num; + break; + case -2: + logmsgx("some system error or timeout occurred"); + return (-1); + } + } + + if (failed_num != 0) + failed_flag = true; + + if (testno1 != testno2) { + if (failed_num == 0) + output("-- all tests passed!\n"); + else + output("-- %u test%s failed!\n", + failed_num, failed_num == 1 ? "" : "s"); + } else { + if (failed_num == 0) + output("-- test passed!\n"); + else + output("-- test failed!\n"); + } + + return (0); +} + +static int +init(void) +{ + struct sigaction sigact; + size_t idx; + int rv; + + proc_name = "SERVER"; + + sigact.sa_handler = SIG_IGN; + sigact.sa_flags = 0; + sigemptyset(&sigact.sa_mask); + if (sigaction(SIGPIPE, &sigact, (struct sigaction *)NULL) < 0) { + logmsg("init: sigaction"); + return (-1); + } + + if (ipc_msg.buf_size == 0) + ipc_msg.buf_send = ipc_msg.buf_recv = NULL; + else { + ipc_msg.buf_send = malloc(ipc_msg.buf_size); + ipc_msg.buf_recv = malloc(ipc_msg.buf_size); + if (ipc_msg.buf_send == NULL || ipc_msg.buf_recv == NULL) { + logmsg("init: malloc"); + return (-1); + } + for (idx = 0; idx < ipc_msg.buf_size; ++idx) + ipc_msg.buf_send[idx] = (char)idx; + } + + proc_cred.uid = getuid(); + proc_cred.euid = geteuid(); + proc_cred.gid = getgid(); + proc_cred.egid = getegid(); + proc_cred.gid_num = getgroups(0, (gid_t *)NULL); + if (proc_cred.gid_num < 0) { + logmsg("init: getgroups"); + return (-1); + } + proc_cred.gid_arr = malloc(proc_cred.gid_num * + sizeof(*proc_cred.gid_arr)); + if (proc_cred.gid_arr == NULL) { + logmsg("init: malloc"); + return (-1); + } + if (getgroups(proc_cred.gid_num, proc_cred.gid_arr) < 0) { + logmsg("init: getgroups"); + return (-1); + } + + memset(&serv_addr_sun, 0, sizeof(serv_addr_sun)); + rv = snprintf(serv_addr_sun.sun_path, sizeof(serv_addr_sun.sun_path), + "%s/%s", work_dir, proc_name); + if (rv < 0) { + logmsg("init: snprintf"); + return (-1); + } + if ((size_t)rv >= sizeof(serv_addr_sun.sun_path)) { + logmsgx("init: not enough space for socket pathname"); + return (-1); + } + serv_addr_sun.sun_family = PF_LOCAL; + serv_addr_sun.sun_len = SUN_LEN(&serv_addr_sun); + + return (0); +} + +static int +client_fork(void) +{ + int fd1, fd2; + + if (pipe(sync_fd[SYNC_SERVER]) < 0 || + pipe(sync_fd[SYNC_CLIENT]) < 0) { + logmsg("client_fork: pipe"); + return (-1); + } + client_pid = fork(); + if (client_pid == (pid_t)-1) { + logmsg("client_fork: fork"); + return (-1); + } + if (client_pid == 0) { + proc_name = "CLIENT"; + server_flag = false; + fd1 = sync_fd[SYNC_SERVER][SYNC_RECV]; + fd2 = sync_fd[SYNC_CLIENT][SYNC_SEND]; + } else { + fd1 = sync_fd[SYNC_SERVER][SYNC_SEND]; + fd2 = sync_fd[SYNC_CLIENT][SYNC_RECV]; + } + if (close(fd1) < 0 || close(fd2) < 0) { + logmsg("client_fork: close"); + return (-1); + } + return (client_pid != 0); +} + +static void +client_exit(int rv) +{ + if (close(sync_fd[SYNC_SERVER][SYNC_SEND]) < 0 || + close(sync_fd[SYNC_CLIENT][SYNC_RECV]) < 0) { + logmsg("client_exit: close"); + rv = -1; + } + rv = rv == 0 ? EXIT_SUCCESS : -rv; + dbgmsg("exit: code %d", rv); + _exit(rv); +} + +static int +client_wait(void) +{ + int status; + pid_t pid; + + dbgmsg("waiting for client"); + + if (close(sync_fd[SYNC_SERVER][SYNC_RECV]) < 0 || + close(sync_fd[SYNC_CLIENT][SYNC_SEND]) < 0) { + logmsg("client_wait: close"); + return (-1); + } + + pid = waitpid(client_pid, &status, 0); + if (pid == (pid_t)-1) { + logmsg("client_wait: waitpid"); + return (-1); + } + + if (WIFEXITED(status)) { + if (WEXITSTATUS(status) != EXIT_SUCCESS) { + logmsgx("client exit status is %d", + WEXITSTATUS(status)); + return (-WEXITSTATUS(status)); + } + } else { + if (WIFSIGNALED(status)) + logmsgx("abnormal termination of client, signal %d%s", + WTERMSIG(status), WCOREDUMP(status) ? + " (core file generated)" : ""); + else + logmsgx("termination of client, unknown status"); + return (-1); + } + + return (0); +} + +int +main(int argc, char *argv[]) +{ + const char *errstr; + u_int testno, zvalue; + int opt, rv; + bool dgram_flag, stream_flag; + + ipc_msg.buf_size = IPC_MSG_SIZE_DEF; + ipc_msg.msg_num = IPC_MSG_NUM_DEF; + dgram_flag = stream_flag = false; + while ((opt = getopt(argc, argv, "dhn:s:t:z:")) != -1) + switch (opt) { + case 'd': + debug = true; + break; + case 'h': + usage(true); + return (EXIT_SUCCESS); + case 'n': + ipc_msg.msg_num = strtonum(optarg, 1, + IPC_MSG_NUM_MAX, &errstr); + if (errstr != NULL) + errx(EXIT_FAILURE, "option -n: number is %s", + errstr); + break; + case 's': + ipc_msg.buf_size = strtonum(optarg, 0, + IPC_MSG_SIZE_MAX, &errstr); + if (errstr != NULL) + errx(EXIT_FAILURE, "option -s: number is %s", + errstr); + break; + case 't': + if (strcmp(optarg, "stream") == 0) + stream_flag = true; + else if (strcmp(optarg, "dgram") == 0) + dgram_flag = true; + else + errx(EXIT_FAILURE, "option -t: " + "wrong socket type"); + break; + case 'z': + zvalue = strtonum(optarg, 0, 3, &errstr); + if (errstr != NULL) + errx(EXIT_FAILURE, "option -z: number is %s", + errstr); + if (zvalue & 0x1) + send_data_flag = false; + if (zvalue & 0x2) + send_array_flag = false; + break; + default: + usage(false); + return (EXIT_FAILURE); + } + + if (optind < argc) { + if (optind + 1 != argc) + errx(EXIT_FAILURE, "too many arguments"); + testno = strtonum(argv[optind], 0, UINT_MAX, &errstr); + if (errstr != NULL) + errx(EXIT_FAILURE, "test number is %s", errstr); + if (stream_flag && testno >= TEST_STREAM_TBL_SIZE) + errx(EXIT_FAILURE, "given test %u for stream " + "sockets does not exist", testno); + if (dgram_flag && testno >= TEST_DGRAM_TBL_SIZE) + errx(EXIT_FAILURE, "given test %u for datagram " + "sockets does not exist", testno); + } else + testno = 0; + + if (!dgram_flag && !stream_flag) { + if (testno != 0) + errx(EXIT_FAILURE, "particular test number " + "can be used with the -t option only"); + dgram_flag = stream_flag = true; + } + + if (mkdtemp(work_dir) == NULL) + err(EXIT_FAILURE, "mkdtemp(%s)", work_dir); + + rv = EXIT_FAILURE; + if (init() < 0) + goto done; + + if (stream_flag) + if (run_tests(SOCK_STREAM, testno) < 0) + goto done; + if (dgram_flag) + if (run_tests(SOCK_DGRAM, testno) < 0) + goto done; + + rv = EXIT_SUCCESS; +done: + if (rmdir(work_dir) < 0) { + logmsg("rmdir(%s)", work_dir); + rv = EXIT_FAILURE; + } + return (failed_flag ? EXIT_FAILURE : rv); +} + +static int +socket_close(int fd) +{ + int rv; + + rv = 0; + if (close(fd) < 0) { + logmsg("socket_close: close"); + rv = -1; + } + if (server_flag && fd == serv_sock_fd) + if (unlink(serv_addr_sun.sun_path) < 0) { + logmsg("socket_close: unlink(%s)", + serv_addr_sun.sun_path); + rv = -1; + } + return (rv); +} + +static int +socket_create(void) +{ + struct timeval tv; + int fd; + + fd = socket(PF_LOCAL, sock_type, 0); + if (fd < 0) { + logmsg("socket_create: socket(PF_LOCAL, %s, 0)", sock_type_str); + return (-1); + } + if (server_flag) + serv_sock_fd = fd; + + tv.tv_sec = TIMEOUT; + tv.tv_usec = 0; + if (setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)) < 0 || + setsockopt(fd, SOL_SOCKET, SO_SNDTIMEO, &tv, sizeof(tv)) < 0) { + logmsg("socket_create: setsockopt(SO_RCVTIMEO/SO_SNDTIMEO)"); + goto failed; + } + + if (server_flag) { + if (bind(fd, (struct sockaddr *)&serv_addr_sun, + serv_addr_sun.sun_len) < 0) { + logmsg("socket_create: bind(%s)", + serv_addr_sun.sun_path); + goto failed; + } + if (sock_type == SOCK_STREAM) { + int val; + + if (listen(fd, LISTENQ) < 0) { + logmsg("socket_create: listen"); + goto failed; + } + val = fcntl(fd, F_GETFL, 0); + if (val < 0) { + logmsg("socket_create: fcntl(F_GETFL)"); + goto failed; + } + if (fcntl(fd, F_SETFL, val | O_NONBLOCK) < 0) { + logmsg("socket_create: fcntl(F_SETFL)"); + goto failed; + } + } + } + + return (fd); + +failed: + if (close(fd) < 0) + logmsg("socket_create: close"); + if (server_flag) + if (unlink(serv_addr_sun.sun_path) < 0) + logmsg("socket_close: unlink(%s)", + serv_addr_sun.sun_path); + return (-1); +} + +static int +socket_connect(int fd) +{ + dbgmsg("connect"); + + if (connect(fd, (struct sockaddr *)&serv_addr_sun, + serv_addr_sun.sun_len) < 0) { + logmsg("socket_connect: connect(%s)", serv_addr_sun.sun_path); + return (-1); + } + return (0); +} + +static int +sync_recv(void) +{ + ssize_t ssize; + int fd; + char buf; + + dbgmsg("sync: wait"); + + fd = sync_fd[server_flag ? SYNC_SERVER : SYNC_CLIENT][SYNC_RECV]; + + ssize = read(fd, &buf, 1); + if (ssize < 0) { + logmsg("sync_recv: read"); + return (-1); + } + if (ssize < 1) { + logmsgx("sync_recv: read %zd of 1 byte", ssize); + return (-1); + } + + dbgmsg("sync: received"); + + return (0); +} + +static int +sync_send(void) +{ + ssize_t ssize; + int fd; + + dbgmsg("sync: send"); + + fd = sync_fd[server_flag ? SYNC_CLIENT : SYNC_SERVER][SYNC_SEND]; + + ssize = write(fd, "", 1); + if (ssize < 0) { + logmsg("sync_send: write"); + return (-1); + } + if (ssize < 1) { + logmsgx("sync_send: sent %zd of 1 byte", ssize); + return (-1); + } + + return (0); +} + +static int +message_send(int fd, const struct msghdr *msghdr) +{ + const struct cmsghdr *cmsghdr; + size_t size; + ssize_t ssize; + + size = msghdr->msg_iov != 0 ? msghdr->msg_iov->iov_len : 0; + dbgmsg("send: data size %zu", size); + dbgmsg("send: msghdr.msg_controllen %u", + (u_int)msghdr->msg_controllen); + cmsghdr = CMSG_FIRSTHDR(msghdr); + if (cmsghdr != NULL) + dbgmsg("send: cmsghdr.cmsg_len %u", + (u_int)cmsghdr->cmsg_len); + + ssize = sendmsg(fd, msghdr, 0); + if (ssize < 0) { + logmsg("message_send: sendmsg"); + return (-1); + } + if ((size_t)ssize != size) { + logmsgx("message_send: sendmsg: sent %zd of %zu bytes", + ssize, size); + return (-1); + } + + if (!send_data_flag) + if (sync_send() < 0) + return (-1); + + return (0); +} + +static int +message_sendn(int fd, struct msghdr *msghdr) +{ + u_int i; + + for (i = 1; i <= ipc_msg.msg_num; ++i) { + dbgmsg("message #%u", i); + if (message_send(fd, msghdr) < 0) + return (-1); + } + return (0); +} + +static int +message_recv(int fd, struct msghdr *msghdr) +{ + const struct cmsghdr *cmsghdr; + size_t size; + ssize_t ssize; + + if (!send_data_flag) + if (sync_recv() < 0) + return (-1); + + size = msghdr->msg_iov != NULL ? msghdr->msg_iov->iov_len : 0; + ssize = recvmsg(fd, msghdr, MSG_WAITALL); + if (ssize < 0) { + logmsg("message_recv: recvmsg"); + return (-1); + } + if ((size_t)ssize != size) { + logmsgx("message_recv: recvmsg: received %zd of %zu bytes", + ssize, size); + return (-1); + } + + dbgmsg("recv: data size %zd", ssize); + dbgmsg("recv: msghdr.msg_controllen %u", + (u_int)msghdr->msg_controllen); + cmsghdr = CMSG_FIRSTHDR(msghdr); + if (cmsghdr != NULL) + dbgmsg("recv: cmsghdr.cmsg_len %u", + (u_int)cmsghdr->cmsg_len); + + if (memcmp(ipc_msg.buf_recv, ipc_msg.buf_send, size) != 0) { + logmsgx("message_recv: received message has wrong content"); + return (-1); + } + + return (0); +} + +static int +socket_accept(int listenfd) +{ + fd_set rset; + struct timeval tv; + int fd, rv, val; + + dbgmsg("accept"); + + FD_ZERO(&rset); + FD_SET(listenfd, &rset); + tv.tv_sec = TIMEOUT; + tv.tv_usec = 0; + rv = select(listenfd + 1, &rset, (fd_set *)NULL, (fd_set *)NULL, &tv); + if (rv < 0) { + logmsg("socket_accept: select"); + return (-1); + } + if (rv == 0) { + logmsgx("socket_accept: select timeout"); + return (-1); + } + + fd = accept(listenfd, (struct sockaddr *)NULL, (socklen_t *)NULL); + if (fd < 0) { + logmsg("socket_accept: accept"); + return (-1); + } + + val = fcntl(fd, F_GETFL, 0); + if (val < 0) { + logmsg("socket_accept: fcntl(F_GETFL)"); + goto failed; + } + if (fcntl(fd, F_SETFL, val & ~O_NONBLOCK) < 0) { + logmsg("socket_accept: fcntl(F_SETFL)"); + goto failed; + } + + return (fd); + +failed: + if (close(fd) < 0) + logmsg("socket_accept: close"); + return (-1); +} + +static int +check_msghdr(const struct msghdr *msghdr, size_t size) +{ + if (msghdr->msg_flags & MSG_TRUNC) { + logmsgx("msghdr.msg_flags has MSG_TRUNC"); + return (-1); + } + if (msghdr->msg_flags & MSG_CTRUNC) { + logmsgx("msghdr.msg_flags has MSG_CTRUNC"); + return (-1); + } + if (msghdr->msg_controllen < size) { + logmsgx("msghdr.msg_controllen %u < %zu", + (u_int)msghdr->msg_controllen, size); + return (-1); + } + if (msghdr->msg_controllen > 0 && size == 0) { + logmsgx("msghdr.msg_controllen %u > 0", + (u_int)msghdr->msg_controllen); + return (-1); + } + return (0); +} + +static int +check_cmsghdr(const struct cmsghdr *cmsghdr, int type, size_t size) +{ + if (cmsghdr == NULL) { + logmsgx("cmsghdr is NULL"); + return (-1); + } + if (cmsghdr->cmsg_level != SOL_SOCKET) { + logmsgx("cmsghdr.cmsg_level %d != SOL_SOCKET", + cmsghdr->cmsg_level); + return (-1); + } + if (cmsghdr->cmsg_type != type) { + logmsgx("cmsghdr.cmsg_type %d != %d", + cmsghdr->cmsg_type, type); + return (-1); + } + if (cmsghdr->cmsg_len != CMSG_LEN(size)) { + logmsgx("cmsghdr.cmsg_len %u != %zu", + (u_int)cmsghdr->cmsg_len, CMSG_LEN(size)); + return (-1); + } + return (0); +} + +static int +check_groups(const char *gid_arr_str, const gid_t *gid_arr, + const char *gid_num_str, int gid_num, bool all_gids) +{ + int i; + + for (i = 0; i < gid_num; ++i) + dbgmsg("%s[%d] %lu", gid_arr_str, i, (u_long)gid_arr[i]); + + if (all_gids) { + if (gid_num != proc_cred.gid_num) { + logmsgx("%s %d != %d", gid_num_str, gid_num, + proc_cred.gid_num); + return (-1); + } + } else { + if (gid_num > proc_cred.gid_num) { + logmsgx("%s %d > %d", gid_num_str, gid_num, + proc_cred.gid_num); + return (-1); + } + } + if (memcmp(gid_arr, proc_cred.gid_arr, + gid_num * sizeof(*gid_arr)) != 0) { + logmsgx("%s content is wrong", gid_arr_str); + for (i = 0; i < gid_num; ++i) + if (gid_arr[i] != proc_cred.gid_arr[i]) { + logmsgx("%s[%d] %lu != %lu", + gid_arr_str, i, (u_long)gid_arr[i], + (u_long)proc_cred.gid_arr[i]); + break; + } + return (-1); + } + return (0); +} + +static int +check_xucred(const struct xucred *xucred, socklen_t len) +{ + if (len != sizeof(*xucred)) { + logmsgx("option value size %zu != %zu", + (size_t)len, sizeof(*xucred)); + return (-1); + } + + dbgmsg("xucred.cr_version %u", xucred->cr_version); + dbgmsg("xucred.cr_uid %lu", (u_long)xucred->cr_uid); + dbgmsg("xucred.cr_ngroups %d", xucred->cr_ngroups); + + if (xucred->cr_version != XUCRED_VERSION) { + logmsgx("xucred.cr_version %u != %d", + xucred->cr_version, XUCRED_VERSION); + return (-1); + } + if (xucred->cr_uid != proc_cred.euid) { + logmsgx("xucred.cr_uid %lu != %lu (EUID)", + (u_long)xucred->cr_uid, (u_long)proc_cred.euid); + return (-1); + } + if (xucred->cr_ngroups == 0) { + logmsgx("xucred.cr_ngroups == 0"); + return (-1); + } + if (xucred->cr_ngroups < 0) { + logmsgx("xucred.cr_ngroups < 0"); + return (-1); + } + if (xucred->cr_ngroups > XU_NGROUPS) { + logmsgx("xucred.cr_ngroups %hu > %u (max)", + xucred->cr_ngroups, XU_NGROUPS); + return (-1); + } + if (xucred->cr_groups[0] != proc_cred.egid) { + logmsgx("xucred.cr_groups[0] %lu != %lu (EGID)", + (u_long)xucred->cr_groups[0], (u_long)proc_cred.egid); + return (-1); + } + if (check_groups("xucred.cr_groups", xucred->cr_groups, + "xucred.cr_ngroups", xucred->cr_ngroups, false) < 0) + return (-1); + return (0); +} + +static int +check_scm_creds_cmsgcred(struct cmsghdr *cmsghdr) +{ + const struct cmsgcred *cmsgcred; + + if (check_cmsghdr(cmsghdr, SCM_CREDS, sizeof(*cmsgcred)) < 0) + return (-1); + + cmsgcred = (struct cmsgcred *)CMSG_DATA(cmsghdr); + + dbgmsg("cmsgcred.cmcred_pid %ld", (long)cmsgcred->cmcred_pid); + dbgmsg("cmsgcred.cmcred_uid %lu", (u_long)cmsgcred->cmcred_uid); + dbgmsg("cmsgcred.cmcred_euid %lu", (u_long)cmsgcred->cmcred_euid); + dbgmsg("cmsgcred.cmcred_gid %lu", (u_long)cmsgcred->cmcred_gid); + dbgmsg("cmsgcred.cmcred_ngroups %d", cmsgcred->cmcred_ngroups); + + if (cmsgcred->cmcred_pid != client_pid) { + logmsgx("cmsgcred.cmcred_pid %ld != %ld", + (long)cmsgcred->cmcred_pid, (long)client_pid); + return (-1); + } + if (cmsgcred->cmcred_uid != proc_cred.uid) { + logmsgx("cmsgcred.cmcred_uid %lu != %lu", + (u_long)cmsgcred->cmcred_uid, (u_long)proc_cred.uid); + return (-1); + } + if (cmsgcred->cmcred_euid != proc_cred.euid) { + logmsgx("cmsgcred.cmcred_euid %lu != %lu", + (u_long)cmsgcred->cmcred_euid, (u_long)proc_cred.euid); + return (-1); + } + if (cmsgcred->cmcred_gid != proc_cred.gid) { + logmsgx("cmsgcred.cmcred_gid %lu != %lu", + (u_long)cmsgcred->cmcred_gid, (u_long)proc_cred.gid); + return (-1); + } + if (cmsgcred->cmcred_ngroups == 0) { + logmsgx("cmsgcred.cmcred_ngroups == 0"); + return (-1); + } + if (cmsgcred->cmcred_ngroups < 0) { + logmsgx("cmsgcred.cmcred_ngroups %d < 0", + cmsgcred->cmcred_ngroups); + return (-1); + } + if (cmsgcred->cmcred_ngroups > CMGROUP_MAX) { + logmsgx("cmsgcred.cmcred_ngroups %d > %d", + cmsgcred->cmcred_ngroups, CMGROUP_MAX); + return (-1); + } + if (cmsgcred->cmcred_groups[0] != proc_cred.egid) { + logmsgx("cmsgcred.cmcred_groups[0] %lu != %lu (EGID)", + (u_long)cmsgcred->cmcred_groups[0], (u_long)proc_cred.egid); + return (-1); + } + if (check_groups("cmsgcred.cmcred_groups", cmsgcred->cmcred_groups, + "cmsgcred.cmcred_ngroups", cmsgcred->cmcred_ngroups, false) < 0) + return (-1); + return (0); +} + +static int +check_scm_creds_sockcred(struct cmsghdr *cmsghdr) +{ + const struct sockcred *sockcred; + + if (check_cmsghdr(cmsghdr, SCM_CREDS, + SOCKCREDSIZE(proc_cred.gid_num)) < 0) + return (-1); + + sockcred = (struct sockcred *)CMSG_DATA(cmsghdr); + + dbgmsg("sockcred.sc_uid %lu", (u_long)sockcred->sc_uid); + dbgmsg("sockcred.sc_euid %lu", (u_long)sockcred->sc_euid); + dbgmsg("sockcred.sc_gid %lu", (u_long)sockcred->sc_gid); + dbgmsg("sockcred.sc_egid %lu", (u_long)sockcred->sc_egid); + dbgmsg("sockcred.sc_ngroups %d", sockcred->sc_ngroups); + + if (sockcred->sc_uid != proc_cred.uid) { + logmsgx("sockcred.sc_uid %lu != %lu", + (u_long)sockcred->sc_uid, (u_long)proc_cred.uid); + return (-1); + } + if (sockcred->sc_euid != proc_cred.euid) { + logmsgx("sockcred.sc_euid %lu != %lu", + (u_long)sockcred->sc_euid, (u_long)proc_cred.euid); + return (-1); + } + if (sockcred->sc_gid != proc_cred.gid) { + logmsgx("sockcred.sc_gid %lu != %lu", + (u_long)sockcred->sc_gid, (u_long)proc_cred.gid); + return (-1); + } + if (sockcred->sc_egid != proc_cred.egid) { + logmsgx("sockcred.sc_egid %lu != %lu", + (u_long)sockcred->sc_egid, (u_long)proc_cred.egid); + return (-1); + } + if (sockcred->sc_ngroups == 0) { + logmsgx("sockcred.sc_ngroups == 0"); + return (-1); + } + if (sockcred->sc_ngroups < 0) { + logmsgx("sockcred.sc_ngroups %d < 0", + sockcred->sc_ngroups); + return (-1); + } + if (sockcred->sc_ngroups != proc_cred.gid_num) { + logmsgx("sockcred.sc_ngroups %d != %u", + sockcred->sc_ngroups, proc_cred.gid_num); + return (-1); + } + if (check_groups("sockcred.sc_groups", sockcred->sc_groups, + "sockcred.sc_ngroups", sockcred->sc_ngroups, true) < 0) + return (-1); + return (0); +} + +static int +check_scm_timestamp(struct cmsghdr *cmsghdr) +{ + const struct timeval *timeval; + + if (check_cmsghdr(cmsghdr, SCM_TIMESTAMP, sizeof(struct timeval)) < 0) + return (-1); + + timeval = (struct timeval *)CMSG_DATA(cmsghdr); + + dbgmsg("timeval.tv_sec %"PRIdMAX", timeval.tv_usec %"PRIdMAX, + (intmax_t)timeval->tv_sec, (intmax_t)timeval->tv_usec); + + return (0); +} + +static int +check_scm_bintime(struct cmsghdr *cmsghdr) +{ + const struct bintime *bintime; + + if (check_cmsghdr(cmsghdr, SCM_BINTIME, sizeof(struct bintime)) < 0) + return (-1); + + bintime = (struct bintime *)CMSG_DATA(cmsghdr); + + dbgmsg("bintime.sec %"PRIdMAX", bintime.frac %"PRIu64, + (intmax_t)bintime->sec, bintime->frac); + + return (0); +} + +static void +msghdr_init_generic(struct msghdr *msghdr, struct iovec *iov, void *cmsg_data) +{ + msghdr->msg_name = NULL; + msghdr->msg_namelen = 0; + if (send_data_flag) { + iov->iov_base = server_flag ? + ipc_msg.buf_recv : ipc_msg.buf_send; + iov->iov_len = ipc_msg.buf_size; + msghdr->msg_iov = iov; + msghdr->msg_iovlen = 1; + } else { + msghdr->msg_iov = NULL; + msghdr->msg_iovlen = 0; + } + msghdr->msg_control = cmsg_data; + msghdr->msg_flags = 0; +} + +static void +msghdr_init_server(struct msghdr *msghdr, struct iovec *iov, + void *cmsg_data, size_t cmsg_size) +{ + msghdr_init_generic(msghdr, iov, cmsg_data); + msghdr->msg_controllen = cmsg_size; + dbgmsg("init: data size %zu", msghdr->msg_iov != NULL ? + msghdr->msg_iov->iov_len : (size_t)0); + dbgmsg("init: msghdr.msg_controllen %u", + (u_int)msghdr->msg_controllen); +} + +static void +msghdr_init_client(struct msghdr *msghdr, struct iovec *iov, + void *cmsg_data, size_t cmsg_size, int type, size_t arr_size) +{ + struct cmsghdr *cmsghdr; + + msghdr_init_generic(msghdr, iov, cmsg_data); + if (cmsg_data != NULL) { + msghdr->msg_controllen = send_array_flag ? + cmsg_size : CMSG_SPACE(0); + cmsghdr = CMSG_FIRSTHDR(msghdr); + cmsghdr->cmsg_level = SOL_SOCKET; + cmsghdr->cmsg_type = type; + cmsghdr->cmsg_len = CMSG_LEN(send_array_flag ? arr_size : 0); + } else + msghdr->msg_controllen = 0; +} + +static int +t_generic(int (*client_func)(int), int (*server_func)(int)) +{ + int fd, rv, rv_client; + + switch (client_fork()) { + case 0: + fd = socket_create(); + if (fd < 0) + rv = -2; + else { + rv = client_func(fd); + if (socket_close(fd) < 0) + rv = -2; + } + client_exit(rv); + break; + case 1: + fd = socket_create(); + if (fd < 0) + rv = -2; + else { + rv = server_func(fd); + rv_client = client_wait(); + if (rv == 0 || (rv == -2 && rv_client != 0)) + rv = rv_client; + if (socket_close(fd) < 0) + rv = -2; + } + break; + default: + rv = -2; + } + return (rv); +} + +static int +t_cmsgcred_client(int fd) +{ + struct msghdr msghdr; + struct iovec iov[1]; + void *cmsg_data; + size_t cmsg_size; + int rv; + + if (sync_recv() < 0) + return (-2); + + rv = -2; + + cmsg_size = CMSG_SPACE(sizeof(struct cmsgcred)); + cmsg_data = malloc(cmsg_size); + if (cmsg_data == NULL) { + logmsg("malloc"); + goto done; + } + msghdr_init_client(&msghdr, iov, cmsg_data, cmsg_size, + SCM_CREDS, sizeof(struct cmsgcred)); + + if (socket_connect(fd) < 0) + goto done; + + if (message_sendn(fd, &msghdr) < 0) + goto done; + + rv = 0; +done: + free(cmsg_data); + return (rv); +} + +static int +t_cmsgcred_server(int fd1) +{ + struct msghdr msghdr; + struct iovec iov[1]; + struct cmsghdr *cmsghdr; + void *cmsg_data; + size_t cmsg_size; + u_int i; + int fd2, rv; + + if (sync_send() < 0) + return (-2); + + fd2 = -1; + rv = -2; + + cmsg_size = CMSG_SPACE(sizeof(struct cmsgcred)); + cmsg_data = malloc(cmsg_size); + if (cmsg_data == NULL) { + logmsg("malloc"); + goto done; + } + + if (sock_type == SOCK_STREAM) { + fd2 = socket_accept(fd1); + if (fd2 < 0) + goto done; + } else + fd2 = fd1; + + rv = -1; + for (i = 1; i <= ipc_msg.msg_num; ++i) { + dbgmsg("message #%u", i); + + msghdr_init_server(&msghdr, iov, cmsg_data, cmsg_size); + if (message_recv(fd2, &msghdr) < 0) { + rv = -2; + break; + } + + if (check_msghdr(&msghdr, sizeof(*cmsghdr)) < 0) + break; + + cmsghdr = CMSG_FIRSTHDR(&msghdr); + if (check_scm_creds_cmsgcred(cmsghdr) < 0) + break; + } + if (i > ipc_msg.msg_num) + rv = 0; +done: + free(cmsg_data); + if (sock_type == SOCK_STREAM && fd2 >= 0) + if (socket_close(fd2) < 0) + rv = -2; + return (rv); +} + +static int +t_cmsgcred(void) +{ + return (t_generic(t_cmsgcred_client, t_cmsgcred_server)); +} + +static int +t_sockcred_client(int type, int fd) +{ + struct msghdr msghdr; + struct iovec iov[1]; + int rv; + + if (sync_recv() < 0) + return (-2); + + rv = -2; + + msghdr_init_client(&msghdr, iov, NULL, 0, 0, 0); + + if (socket_connect(fd) < 0) + goto done; + + if (type == 2) + if (sync_recv() < 0) + goto done; + + if (message_sendn(fd, &msghdr) < 0) + goto done; + + rv = 0; +done: + return (rv); +} + +static int +t_sockcred_server(int type, int fd1) +{ + struct msghdr msghdr; + struct iovec iov[1]; + struct cmsghdr *cmsghdr; + void *cmsg_data; + size_t cmsg_size; + u_int i; + int fd2, rv, val; + + fd2 = -1; + rv = -2; + + cmsg_size = CMSG_SPACE(SOCKCREDSIZE(proc_cred.gid_num)); + cmsg_data = malloc(cmsg_size); + if (cmsg_data == NULL) { + logmsg("malloc"); + goto done; + } + + if (type == 1) { + dbgmsg("setting LOCAL_CREDS"); + val = 1; + if (setsockopt(fd1, 0, LOCAL_CREDS, &val, sizeof(val)) < 0) { + logmsg("setsockopt(LOCAL_CREDS)"); + goto done; + } + } + + if (sync_send() < 0) + goto done; + + if (sock_type == SOCK_STREAM) { + fd2 = socket_accept(fd1); + if (fd2 < 0) + goto done; + } else + fd2 = fd1; + + if (type == 2) { + dbgmsg("setting LOCAL_CREDS"); + val = 1; + if (setsockopt(fd2, 0, LOCAL_CREDS, &val, sizeof(val)) < 0) { + logmsg("setsockopt(LOCAL_CREDS)"); + goto done; + } + if (sync_send() < 0) + goto done; + } + + rv = -1; + for (i = 1; i <= ipc_msg.msg_num; ++i) { + dbgmsg("message #%u", i); + + msghdr_init_server(&msghdr, iov, cmsg_data, cmsg_size); + if (message_recv(fd2, &msghdr) < 0) { + rv = -2; + break; + } + + if (i > 1 && sock_type == SOCK_STREAM) { + if (check_msghdr(&msghdr, 0) < 0) + break; + } else { + if (check_msghdr(&msghdr, sizeof(*cmsghdr)) < 0) + break; + + cmsghdr = CMSG_FIRSTHDR(&msghdr); + if (check_scm_creds_sockcred(cmsghdr) < 0) + break; + } + } + if (i > ipc_msg.msg_num) + rv = 0; +done: + free(cmsg_data); + if (sock_type == SOCK_STREAM && fd2 >= 0) + if (socket_close(fd2) < 0) + rv = -2; + return (rv); +} + +static int +t_sockcred_1(void) +{ + u_int i; + int fd, rv, rv_client; + + switch (client_fork()) { + case 0: + for (i = 1; i <= 2; ++i) { + dbgmsg("client #%u", i); + fd = socket_create(); + if (fd < 0) + rv = -2; + else { + rv = t_sockcred_client(1, fd); + if (socket_close(fd) < 0) + rv = -2; + } + if (rv != 0) + break; + } + client_exit(rv); + break; + case 1: + fd = socket_create(); + if (fd < 0) + rv = -2; + else { + rv = t_sockcred_server(1, fd); + if (rv == 0) + rv = t_sockcred_server(3, fd); + rv_client = client_wait(); + if (rv == 0 || (rv == -2 && rv_client != 0)) + rv = rv_client; + if (socket_close(fd) < 0) + rv = -2; + } + break; + default: + rv = -2; + } + + return (rv); +} + +static int +t_sockcred_2_client(int fd) +{ + return (t_sockcred_client(2, fd)); +} + +static int +t_sockcred_2_server(int fd) +{ + return (t_sockcred_server(2, fd)); +} + +static int +t_sockcred_2(void) +{ + return (t_generic(t_sockcred_2_client, t_sockcred_2_server)); +} + +static int +t_cmsgcred_sockcred_server(int fd1) +{ + struct msghdr msghdr; + struct iovec iov[1]; + struct cmsghdr *cmsghdr; + void *cmsg_data, *cmsg1_data, *cmsg2_data; + size_t cmsg_size, cmsg1_size, cmsg2_size; + u_int i; + int fd2, rv, val; + + fd2 = -1; + rv = -2; + + cmsg1_size = CMSG_SPACE(SOCKCREDSIZE(proc_cred.gid_num)); + cmsg2_size = CMSG_SPACE(sizeof(struct cmsgcred)); + cmsg1_data = malloc(cmsg1_size); + cmsg2_data = malloc(cmsg2_size); + if (cmsg1_data == NULL || cmsg2_data == NULL) { + logmsg("malloc"); + goto done; + } + + dbgmsg("setting LOCAL_CREDS"); + val = 1; + if (setsockopt(fd1, 0, LOCAL_CREDS, &val, sizeof(val)) < 0) { + logmsg("setsockopt(LOCAL_CREDS)"); + goto done; + } + + if (sync_send() < 0) + goto done; + + if (sock_type == SOCK_STREAM) { + fd2 = socket_accept(fd1); + if (fd2 < 0) + goto done; + } else + fd2 = fd1; + + cmsg_data = cmsg1_data; + cmsg_size = cmsg1_size; + rv = -1; + for (i = 1; i <= ipc_msg.msg_num; ++i) { + dbgmsg("message #%u", i); + + msghdr_init_server(&msghdr, iov, cmsg_data, cmsg_size); + if (message_recv(fd2, &msghdr) < 0) { + rv = -2; + break; + } + + if (check_msghdr(&msghdr, sizeof(*cmsghdr)) < 0) + break; + + cmsghdr = CMSG_FIRSTHDR(&msghdr); + if (i == 1 || sock_type == SOCK_DGRAM) { + if (check_scm_creds_sockcred(cmsghdr) < 0) + break; + } else { + if (check_scm_creds_cmsgcred(cmsghdr) < 0) + break; + } + + cmsg_data = cmsg2_data; + cmsg_size = cmsg2_size; + } + if (i > ipc_msg.msg_num) + rv = 0; +done: + free(cmsg1_data); + free(cmsg2_data); + if (sock_type == SOCK_STREAM && fd2 >= 0) + if (socket_close(fd2) < 0) + rv = -2; + return (rv); +} + +static int +t_cmsgcred_sockcred(void) +{ + return (t_generic(t_cmsgcred_client, t_cmsgcred_sockcred_server)); +} + +static int +t_timeval_client(int fd) +{ + struct msghdr msghdr; + struct iovec iov[1]; + void *cmsg_data; + size_t cmsg_size; + int rv; + + if (sync_recv() < 0) + return (-2); + + rv = -2; + + cmsg_size = CMSG_SPACE(sizeof(struct timeval)); + cmsg_data = malloc(cmsg_size); + if (cmsg_data == NULL) { + logmsg("malloc"); + goto done; + } + msghdr_init_client(&msghdr, iov, cmsg_data, cmsg_size, + SCM_TIMESTAMP, sizeof(struct timeval)); + + if (socket_connect(fd) < 0) + goto done; + + if (message_sendn(fd, &msghdr) < 0) + goto done; + + rv = 0; +done: + free(cmsg_data); + return (rv); +} + +static int +t_timeval_server(int fd1) +{ + struct msghdr msghdr; + struct iovec iov[1]; + struct cmsghdr *cmsghdr; + void *cmsg_data; + size_t cmsg_size; + u_int i; + int fd2, rv; + + if (sync_send() < 0) + return (-2); + + fd2 = -1; + rv = -2; + + cmsg_size = CMSG_SPACE(sizeof(struct timeval)); + cmsg_data = malloc(cmsg_size); + if (cmsg_data == NULL) { + logmsg("malloc"); + goto done; + } + + if (sock_type == SOCK_STREAM) { + fd2 = socket_accept(fd1); + if (fd2 < 0) + goto done; + } else + fd2 = fd1; + + rv = -1; + for (i = 1; i <= ipc_msg.msg_num; ++i) { + dbgmsg("message #%u", i); + + msghdr_init_server(&msghdr, iov, cmsg_data, cmsg_size); + if (message_recv(fd2, &msghdr) < 0) { + rv = -2; + break; + } + + if (check_msghdr(&msghdr, sizeof(*cmsghdr)) < 0) + break; + + cmsghdr = CMSG_FIRSTHDR(&msghdr); + if (check_scm_timestamp(cmsghdr) < 0) + break; + } + if (i > ipc_msg.msg_num) + rv = 0; +done: + free(cmsg_data); + if (sock_type == SOCK_STREAM && fd2 >= 0) + if (socket_close(fd2) < 0) + rv = -2; + return (rv); +} + +static int +t_timeval(void) +{ + return (t_generic(t_timeval_client, t_timeval_server)); +} + +static int +t_bintime_client(int fd) +{ + struct msghdr msghdr; + struct iovec iov[1]; + void *cmsg_data; + size_t cmsg_size; + int rv; + + if (sync_recv() < 0) + return (-2); + + rv = -2; + + cmsg_size = CMSG_SPACE(sizeof(struct bintime)); + cmsg_data = malloc(cmsg_size); + if (cmsg_data == NULL) { + logmsg("malloc"); + goto done; + } + msghdr_init_client(&msghdr, iov, cmsg_data, cmsg_size, + SCM_BINTIME, sizeof(struct bintime)); + + if (socket_connect(fd) < 0) + goto done; + + if (message_sendn(fd, &msghdr) < 0) + goto done; + + rv = 0; +done: + free(cmsg_data); + return (rv); +} + +static int +t_bintime_server(int fd1) +{ + struct msghdr msghdr; + struct iovec iov[1]; + struct cmsghdr *cmsghdr; + void *cmsg_data; + size_t cmsg_size; + u_int i; + int fd2, rv; + + if (sync_send() < 0) + return (-2); + + fd2 = -1; + rv = -2; + + cmsg_size = CMSG_SPACE(sizeof(struct bintime)); + cmsg_data = malloc(cmsg_size); + if (cmsg_data == NULL) { + logmsg("malloc"); + goto done; + } + + if (sock_type == SOCK_STREAM) { + fd2 = socket_accept(fd1); + if (fd2 < 0) + goto done; + } else + fd2 = fd1; + + rv = -1; + for (i = 1; i <= ipc_msg.msg_num; ++i) { + dbgmsg("message #%u", i); + + msghdr_init_server(&msghdr, iov, cmsg_data, cmsg_size); + if (message_recv(fd2, &msghdr) < 0) { + rv = -2; + break; + } + + if (check_msghdr(&msghdr, sizeof(*cmsghdr)) < 0) + break; + + cmsghdr = CMSG_FIRSTHDR(&msghdr); + if (check_scm_bintime(cmsghdr) < 0) + break; + } + if (i > ipc_msg.msg_num) + rv = 0; +done: + free(cmsg_data); + if (sock_type == SOCK_STREAM && fd2 >= 0) + if (socket_close(fd2) < 0) + rv = -2; + return (rv); +} + +static int +t_bintime(void) +{ + return (t_generic(t_bintime_client, t_bintime_server)); +} + +static int +t_cmsg_len_client(int fd) +{ + struct msghdr msghdr; + struct iovec iov[1]; + struct cmsghdr *cmsghdr; + void *cmsg_data; + size_t size, cmsg_size; + socklen_t socklen; + int rv; + + if (sync_recv() < 0) + return (-2); + + rv = -2; + + cmsg_size = CMSG_SPACE(sizeof(struct cmsgcred)); + cmsg_data = malloc(cmsg_size); + if (cmsg_data == NULL) { + logmsg("malloc"); + goto done; + } + msghdr_init_client(&msghdr, iov, cmsg_data, cmsg_size, + SCM_CREDS, sizeof(struct cmsgcred)); + cmsghdr = CMSG_FIRSTHDR(&msghdr); + + if (socket_connect(fd) < 0) + goto done; + + size = msghdr.msg_iov != NULL ? msghdr.msg_iov->iov_len : 0; + rv = -1; + for (socklen = 0; socklen < CMSG_LEN(0); ++socklen) { + cmsghdr->cmsg_len = socklen; + dbgmsg("send: data size %zu", size); + dbgmsg("send: msghdr.msg_controllen %u", + (u_int)msghdr.msg_controllen); + dbgmsg("send: cmsghdr.cmsg_len %u", + (u_int)cmsghdr->cmsg_len); + if (sendmsg(fd, &msghdr, 0) < 0) + continue; + logmsgx("sent message with cmsghdr.cmsg_len %u < %u", + (u_int)cmsghdr->cmsg_len, (u_int)CMSG_LEN(0)); + break; + } + if (socklen == CMSG_LEN(0)) + rv = 0; + + if (sync_send() < 0) { + rv = -2; + goto done; + } +done: + free(cmsg_data); + return (rv); +} + +static int +t_cmsg_len_server(int fd1) +{ + int fd2, rv; + + if (sync_send() < 0) + return (-2); + + rv = -2; + + if (sock_type == SOCK_STREAM) { + fd2 = socket_accept(fd1); + if (fd2 < 0) + goto done; + } else + fd2 = fd1; + + if (sync_recv() < 0) + goto done; + + rv = 0; +done: + if (sock_type == SOCK_STREAM && fd2 >= 0) + if (socket_close(fd2) < 0) + rv = -2; + return (rv); +} + +static int +t_cmsg_len(void) +{ + return (t_generic(t_cmsg_len_client, t_cmsg_len_server)); +} + +static int +t_peercred_client(int fd) +{ + struct xucred xucred; + socklen_t len; + + if (sync_recv() < 0) + return (-1); + + if (socket_connect(fd) < 0) + return (-1); + + len = sizeof(xucred); + if (getsockopt(fd, 0, LOCAL_PEERCRED, &xucred, &len) < 0) { + logmsg("getsockopt(LOCAL_PEERCRED)"); + return (-1); + } + + if (check_xucred(&xucred, len) < 0) + return (-1); + + return (0); +} + +static int +t_peercred_server(int fd1) +{ + struct xucred xucred; + socklen_t len; + int fd2, rv; + + if (sync_send() < 0) + return (-2); + + fd2 = socket_accept(fd1); + if (fd2 < 0) + return (-2); + + len = sizeof(xucred); + if (getsockopt(fd2, 0, LOCAL_PEERCRED, &xucred, &len) < 0) { + logmsg("getsockopt(LOCAL_PEERCRED)"); + rv = -2; + goto done; + } + + if (check_xucred(&xucred, len) < 0) { + rv = -1; + goto done; + } + + rv = 0; +done: + if (socket_close(fd2) < 0) + rv = -2; + return (rv); +} + +static int +t_peercred(void) +{ + return (t_generic(t_peercred_client, t_peercred_server)); +} diff --git a/tools/regression/sockets/unix_cmsg/unix_cmsg.t b/tools/regression/sockets/unix_cmsg/unix_cmsg.t new file mode 100644 index 0000000..70d9277 --- /dev/null +++ b/tools/regression/sockets/unix_cmsg/unix_cmsg.t @@ -0,0 +1,88 @@ +#!/bin/sh +# $FreeBSD$ + +cd `dirname $0` +cmd="./`basename $0 .t`" + +make ${cmd} >/dev/null 2>&1 + +IFS= +n=0 + +run() +{ + result=`${cmd} -t $2 $3 ${5%% *} 2>&1` + if [ $? -ne 0 ]; then + echo -n "not " + fi + echo "ok $1 - $4 ${5#* }" + echo ${result} | grep -E "SERVER|CLIENT" | while read line; do + echo "# ${line}" + done +} + +echo "1..47" + +for t1 in \ + "1 Sending, receiving cmsgcred" \ + "4 Sending cmsgcred, receiving sockcred" \ + "5 Sending, receiving timeval" \ + "6 Sending, receiving bintime" \ + "7 Check cmsghdr.cmsg_len" +do + for t2 in \ + "0 " \ + "1 (no data)" \ + "2 (no array)" \ + "3 (no data, array)" + do + n=$((n + 1)) + run ${n} stream "-z ${t2%% *}" STREAM "${t1} ${t2#* }" + done +done + +for t1 in \ + "2 Receiving sockcred (listening socket)" \ + "3 Receiving sockcred (accepted socket)" +do + for t2 in \ + "0 " \ + "1 (no data)" + do + n=$((n + 1)) + run ${n} stream "-z ${t2%% *}" STREAM "${t1} ${t2#* }" + done +done + +n=$((n + 1)) +run ${n} stream "-z 0" STREAM "8 Check LOCAL_PEERCRED socket option" + +for t1 in \ + "1 Sending, receiving cmsgcred" \ + "3 Sending cmsgcred, receiving sockcred" \ + "4 Sending, receiving timeval" \ + "5 Sending, receiving bintime" \ + "6 Check cmsghdr.cmsg_len" +do + for t2 in \ + "0 " \ + "1 (no data)" \ + "2 (no array)" \ + "3 (no data, array)" + do + n=$((n + 1)) + run ${n} dgram "-z ${t2%% *}" DGRAM "${t1} ${t2#* }" + done +done + +for t1 in \ + "2 Receiving sockcred" +do + for t2 in \ + "0 " \ + "1 (no data)" + do + n=$((n + 1)) + run ${n} dgram "-z ${t2%% *}" DGRAM "${t1} ${t2#* }" + done +done diff --git a/tools/regression/sockets/unix_gc/Makefile b/tools/regression/sockets/unix_gc/Makefile new file mode 100644 index 0000000..0c66493 --- /dev/null +++ b/tools/regression/sockets/unix_gc/Makefile @@ -0,0 +1,7 @@ +# $FreeBSD$ + +PROG= unix_gc +MAN= +WARNS?= 3 + +.include <bsd.prog.mk> diff --git a/tools/regression/sockets/unix_gc/unix_gc.c b/tools/regression/sockets/unix_gc/unix_gc.c new file mode 100644 index 0000000..8cae2d9 --- /dev/null +++ b/tools/regression/sockets/unix_gc/unix_gc.c @@ -0,0 +1,808 @@ +/*- + * Copyright (c) 2007 Robert N. M. Watson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +/* + * A few regression tests for UNIX domain sockets. Run from single-user mode + * as it checks the openfiles sysctl to look for leaks, and we don't want that + * changing due to other processes doing stuff. + */ + +#include <sys/types.h> +#include <sys/signal.h> +#include <sys/socket.h> +#include <sys/sysctl.h> +#include <sys/un.h> +#include <sys/wait.h> + +#include <netinet/in.h> + +#include <err.h> +#include <errno.h> +#include <fcntl.h> +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +static int forcegc = 1; +static char dpath[PATH_MAX]; +static const char *test; + +static int +getsysctl(const char *name) +{ + size_t len; + int i; + + len = sizeof(i); + if (sysctlbyname(name, &i, &len, NULL, 0) < 0) + err(-1, "%s", name); + return (i); +} + +static int +getopenfiles(void) +{ + + return (getsysctl("kern.openfiles")); +} + +static int +getinflight(void) +{ + + return (getsysctl("net.local.inflight")); +} + +static int +getdeferred(void) +{ + + return (getsysctl("net.local.deferred")); +} + +static void +sendfd(int fd, int fdtosend) +{ + struct msghdr mh; + struct message { struct cmsghdr msg_hdr; int fd; } m; + ssize_t len; + int after_inflight, before_inflight; + + before_inflight = getinflight(); + + bzero(&mh, sizeof(mh)); + bzero(&m, sizeof(m)); + mh.msg_control = &m; + mh.msg_controllen = sizeof(m); + m.msg_hdr.cmsg_len = sizeof(m); + m.msg_hdr.cmsg_level = SOL_SOCKET; + m.msg_hdr.cmsg_type = SCM_RIGHTS; + m.fd = fdtosend; + len = sendmsg(fd, &mh, 0); + if (len < 0) + err(-1, "%s: sendmsg", test); + after_inflight = getinflight(); + if (after_inflight != before_inflight + 1) + errx(-1, "%s: sendfd: before %d after %d\n", test, + before_inflight, after_inflight); +} + +static void +close2(int fd1, int fd2) +{ + + close(fd1); + close(fd2); +} + +static void +close3(int fd1, int fd2, int fd3) +{ + + close2(fd1, fd2); + close(fd3); +} + +static void +close4(int fd1, int fd2, int fd3, int fd4) +{ + + close2(fd1, fd2); + close2(fd3, fd4); +} + +static void +close5(int fd1, int fd2, int fd3, int fd4, int fd5) +{ + + close3(fd1, fd2, fd3); + close2(fd4, fd5); +} + +static int +my_socket(int domain, int type, int proto) +{ + int sock; + + sock = socket(domain, type, proto); + if (sock < 0) + err(-1, "%s: socket", test); + return (sock); +} + +static void +my_bind(int sock, struct sockaddr *sa, socklen_t len) +{ + + if (bind(sock, sa, len) < 0) + err(-1, "%s: bind", test); +} + +static void +my_connect(int sock, struct sockaddr *sa, socklen_t len) +{ + + if (connect(sock, sa, len) < 0 && errno != EINPROGRESS) + err(-1, "%s: connect", test); +} + +static void +my_listen(int sock, int backlog) +{ + + if (listen(sock, backlog) < 0) + err(-1, "%s: listen", test); +} + +static void +my_socketpair(int *sv) +{ + + if (socketpair(PF_UNIX, SOCK_STREAM, 0, sv) < 0) + err(-1, "%s: socketpair", test); +} + +static void +my_getsockname(int s, struct sockaddr *sa, socklen_t *salen) +{ + + if (getsockname(s, sa, salen) < 0) + err(-1, "%s: getsockname", test); +} + +static void +setnonblock(int s) +{ + + if (fcntl(s, F_SETFL, O_NONBLOCK) < 0) + err(-1, "%s: fcntl(F_SETFL, O_NONBLOCK)", test); +} + +static void +alloc3fds(int *s, int *sv) +{ + + if ((*s = socket(PF_UNIX, SOCK_STREAM, 0)) < 0) + err(-1, "%s: socket", test); + if (socketpair(PF_UNIX, SOCK_STREAM, 0, sv) < 0) + err(-1, "%s: socketpair", test); +} + +static void +alloc5fds(int *s, int *sva, int *svb) +{ + + if ((*s = socket(PF_UNIX, SOCK_STREAM, 0)) < 0) + err(-1, "%s: socket", test); + if (socketpair(PF_UNIX, SOCK_STREAM, 0, sva) < 0) + err(-1, "%s: socketpair", test); + if (socketpair(PF_UNIX, SOCK_STREAM, 0, svb) < 0) + err(-1, "%s: socketpair", test); +} + +static void +save_sysctls(int *before_inflight, int *before_openfiles) +{ + + *before_inflight = getinflight(); + *before_openfiles = getopenfiles(); +} + +/* + * Try hard to make sure that the GC does in fact run before we test the + * condition of things. + */ +static void +trigger_gc(void) +{ + int s; + + if (forcegc) { + if ((s = socket(PF_UNIX, SOCK_STREAM, 0)) < 0) + err(-1, "trigger_gc: socket"); + close(s); + } + sleep(1); +} + +static void +test_sysctls(int before_inflight, int before_openfiles) +{ + int after_inflight, after_openfiles; + + trigger_gc(); + after_inflight = getinflight(); + if (after_inflight != before_inflight) + warnx("%s: before inflight: %d, after inflight: %d", + test, before_inflight, after_inflight); + + after_openfiles = getopenfiles(); + if (after_openfiles != before_openfiles) + warnx("%s: before: %d, after: %d", test, before_openfiles, + after_openfiles); +} + +static void +twosome_nothing(void) +{ + int inflight, openfiles; + int sv[2]; + + /* + * Create a pair, close in one order. + */ + test = "twosome_nothing1"; + printf("%s\n", test); + save_sysctls(&inflight, &openfiles); + my_socketpair(sv); + close2(sv[0], sv[1]); + test_sysctls(inflight, openfiles); + + /* + * Create a pair, close in the other order. + */ + test = "twosome_nothing2"; + printf("%s\n", test); + save_sysctls(&inflight, &openfiles); + my_socketpair(sv); + close2(sv[0], sv[1]); + test_sysctls(inflight, openfiles); +} + +/* + * Using a socket pair, send various endpoints over the pair and close in + * various orders. + */ +static void +twosome_drop_work(const char *testname, int sendvia, int tosend, int closefirst) +{ + int inflight, openfiles; + int sv[2]; + + printf("%s\n", testname); + test = testname; + save_sysctls(&inflight, &openfiles); + my_socketpair(sv); + sendfd(sv[sendvia], sv[tosend]); + if (closefirst == 0) + close2(sv[0], sv[1]); + else + close2(sv[1], sv[0]); + test_sysctls(inflight, openfiles); +} + +static void +twosome_drop(void) +{ + + /* + * In various combations, some wastefully symmetric, create socket + * pairs and send one or another endpoint over one or another + * endpoint, closing the endpoints in various orders. + */ + twosome_drop_work("twosome_drop1", 0, 0, 0); + twosome_drop_work("twosome_drop2", 0, 0, 1); + twosome_drop_work("twosome_drop3", 0, 1, 0); + twosome_drop_work("twosome_drop4", 0, 1, 1); + twosome_drop_work("twosome_drop5", 1, 0, 0); + twosome_drop_work("twosome_drop6", 1, 0, 1); + twosome_drop_work("twosome_drop7", 1, 1, 0); + twosome_drop_work("twosome_drop8", 1, 1, 1); +} + +static void +threesome_nothing(void) +{ + int inflight, openfiles; + int s, sv[2]; + + test = "threesome_nothing"; + printf("%s\n", test); + save_sysctls(&inflight, &openfiles); + alloc3fds(&s, sv); + close3(s, sv[0], sv[1]); + test_sysctls(inflight, openfiles); +} + +/* + * threesome_drop: create a pair and a spare, send the spare over the pair, and + * close in various orders and make sure all the fds went away. + */ +static void +threesome_drop(void) +{ + int inflight, openfiles; + int s, sv[2]; + + /* + * threesome_drop1: close sent send receive + */ + test = "threesome_drop1"; + printf("%s\n", test); + save_sysctls(&inflight, &openfiles); + alloc3fds(&s, sv); + sendfd(sv[0], s); + close3(s, sv[0], sv[1]); + test_sysctls(inflight, openfiles); + + /* + * threesome_drop2: close sent receive send + */ + test = "threesome_drop2"; + printf("%s\n", test); + save_sysctls(&inflight, &openfiles); + alloc3fds(&s, sv); + sendfd(sv[0], s); + close3(s, sv[1], sv[0]); + test_sysctls(inflight, openfiles); + + /* + * threesome_drop3: close receive sent send + */ + test = "threesome_drop3"; + printf("%s\n", test); + save_sysctls(&inflight, &openfiles); + alloc3fds(&s, sv); + sendfd(sv[0], s); + close3(sv[1], s, sv[0]); + test_sysctls(inflight, openfiles); + + /* + * threesome_drop4: close receive send sent + */ + test = "threesome_drop4"; + printf("%s\n", test); + save_sysctls(&inflight, &openfiles); + alloc3fds(&s, sv); + sendfd(sv[0], s); + close3(sv[1], sv[0], s); + test_sysctls(inflight, openfiles); + + /* + * threesome_drop5: close send receive sent + */ + test = "threesome_drop5"; + printf("%s\n", test); + save_sysctls(&inflight, &openfiles); + alloc3fds(&s, sv); + sendfd(sv[0], s); + close3(sv[0], sv[1], s); + test_sysctls(inflight, openfiles); + + /* + * threesome_drop6: close send sent receive + */ + test = "threesome_drop6"; + printf("%s\n", test); + save_sysctls(&inflight, &openfiles); + alloc3fds(&s, sv); + close3(sv[0], s, sv[1]); + test_sysctls(inflight, openfiles); +} + +/* + * Fivesome tests: create two socket pairs and a spare, send the spare over + * the first socket pair, then send the first socket pair over the second + * socket pair, and GC. Do various closes at various points to exercise + * various cases. + */ +static void +fivesome_nothing(void) +{ + int inflight, openfiles; + int spare, sva[2], svb[2]; + + test = "fivesome_nothing"; + printf("%s\n", test); + save_sysctls(&inflight, &openfiles); + alloc5fds(&spare, sva, svb); + close5(spare, sva[0], sva[1], svb[0], svb[1]); + test_sysctls(inflight, openfiles); +} + +static void +fivesome_drop_work(const char *testname, int close_spare_after_send, + int close_sva_after_send) +{ + int inflight, openfiles; + int spare, sva[2], svb[2]; + + printf("%s\n", testname); + test = testname; + save_sysctls(&inflight, &openfiles); + alloc5fds(&spare, sva, svb); + + /* + * Send spare over sva. + */ + sendfd(sva[0], spare); + if (close_spare_after_send) + close(spare); + + /* + * Send sva over svb. + */ + sendfd(svb[0], sva[0]); + sendfd(svb[0], sva[1]); + if (close_sva_after_send) + close2(sva[0], sva[1]); + + close2(svb[0], svb[1]); + + if (!close_sva_after_send) + close2(sva[0], sva[1]); + if (!close_spare_after_send) + close(spare); + + test_sysctls(inflight, openfiles); +} + +static void +fivesome_drop(void) +{ + + fivesome_drop_work("fivesome_drop1", 0, 0); + fivesome_drop_work("fivesome_drop2", 0, 1); + fivesome_drop_work("fivesome_drop3", 1, 0); + fivesome_drop_work("fivesome_drop4", 1, 1); +} + +/* + * Create a somewhat nasty dual-socket socket intended to upset the garbage + * collector if mark-and-sweep is wrong. + */ +static void +complex_cycles(void) +{ + int inflight, openfiles; + int spare, sva[2], svb[2]; + + test = "complex_cycles"; + printf("%s\n", test); + save_sysctls(&inflight, &openfiles); + alloc5fds(&spare, sva, svb); + sendfd(sva[0], svb[0]); + sendfd(sva[0], svb[1]); + sendfd(svb[0], sva[0]); + sendfd(svb[0], sva[1]); + sendfd(svb[0], spare); + sendfd(sva[0], spare); + close5(spare, sva[0], sva[1], svb[0], svb[1]); + test_sysctls(inflight, openfiles); +} + +/* + * Listen sockets can also be passed over UNIX domain sockets, so test + * various cases, including ones where listen sockets have waiting sockets + * hanging off them... + */ +static void +listen_nothing(void) +{ + struct sockaddr_un sun; + struct sockaddr_in sin; + int inflight, openfiles; + int s; + + test = "listen_nothing_unp"; + printf("%s\n", test); + bzero(&sun, sizeof(sun)); + sun.sun_family = AF_LOCAL; + sun.sun_len = sizeof(sun); + snprintf(sun.sun_path, sizeof(sun.sun_path), "%s/%s", dpath, test); + save_sysctls(&inflight, &openfiles); + s = my_socket(PF_LOCAL, SOCK_STREAM, 0); + my_bind(s, (struct sockaddr *)&sun, sizeof(sun)); + my_listen(s, -1); + close(s); + (void)unlink(sun.sun_path); + test_sysctls(inflight, openfiles); + + test = "listen_nothing_inet"; + printf("%s\n", test); + bzero(&sin, sizeof(sin)); + sin.sin_family = AF_INET; + sin.sin_len = sizeof(sin); + sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK); + sin.sin_port = htons(0); + save_sysctls(&inflight, &openfiles); + s = my_socket(PF_INET, SOCK_STREAM, 0); + my_bind(s, (struct sockaddr *)&sin, sizeof(sin)); + my_listen(s, -1); + close(s); + test_sysctls(inflight, openfiles); +} + +/* + * Send a listen UDP socket over a UNIX domain socket. + * + * Send a listen TCP socket over a UNIX domain socket. + * + * Do each twice, with closing of the listen socket vs. socketpair in + * different orders. + */ +static void +listen_drop(void) +{ + struct sockaddr_un sun; + struct sockaddr_in sin; + int inflight, openfiles; + int s, sv[2]; + + bzero(&sun, sizeof(sun)); + sun.sun_family = AF_LOCAL; + sun.sun_len = sizeof(sun); + + /* + * Close listen socket first. + */ + test = "listen_drop_unp1"; + printf("%s\n", test); + snprintf(sun.sun_path, sizeof(sun.sun_path), "%s/%s", dpath, test); + save_sysctls(&inflight, &openfiles); + s = my_socket(PF_LOCAL, SOCK_STREAM, 0); + my_bind(s, (struct sockaddr *)&sun, sizeof(sun)); + my_listen(s, -1); + my_socketpair(sv); + sendfd(sv[0], s); + close3(s, sv[0], sv[1]); + test_sysctls(inflight, openfiles); + + /* + * Close socketpair first. + */ + test = "listen_drop_unp2"; + printf("%s\n", test); + snprintf(sun.sun_path, sizeof(sun.sun_path), "%s/%s", dpath, test); + save_sysctls(&inflight, &openfiles); + s = my_socket(PF_LOCAL, SOCK_STREAM, 0); + my_bind(s, (struct sockaddr *)&sun, sizeof(sun)); + my_listen(s, -1); + my_socketpair(sv); + sendfd(sv[0], s); + close3(sv[0], sv[1], s); + test_sysctls(inflight, openfiles); + + sin.sin_family = AF_INET; + sin.sin_len = sizeof(sin); + sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK); + sin.sin_port = htons(0); + + /* + * Close listen socket first. + */ + test = "listen_drop_inet1"; + printf("%s\n", test); + bzero(&sun, sizeof(sun)); + save_sysctls(&inflight, &openfiles); + s = my_socket(PF_INET, SOCK_STREAM, 0); + my_bind(s, (struct sockaddr *)&sin, sizeof(sin)); + my_listen(s, -1); + my_socketpair(sv); + sendfd(sv[0], s); + close3(s, sv[0], sv[1]); + test_sysctls(inflight, openfiles); + + /* + * Close socketpair first. + */ + test = "listen_drop_inet2"; + printf("%s\n", test); + bzero(&sun, sizeof(sun)); + save_sysctls(&inflight, &openfiles); + s = my_socket(PF_INET, SOCK_STREAM, 0); + my_bind(s, (struct sockaddr *)&sin, sizeof(sin)); + my_listen(s, -1); + my_socketpair(sv); + sendfd(sv[0], s); + close3(sv[0], sv[1], s); + test_sysctls(inflight, openfiles); +} + +/* + * Up things a notch with listen sockets: add connections that can be + * accepted to the listen queues. + */ +static void +listen_connect_nothing(void) +{ + struct sockaddr_in sin; + int slisten, sconnect, sv[2]; + int inflight, openfiles; + socklen_t len; + + test = "listen_connect_nothing"; + printf("%s\n", test); + save_sysctls(&inflight, &openfiles); + + slisten = my_socket(PF_INET, SOCK_STREAM, 0); + my_bind(slisten, (struct sockaddr *)&sin, sizeof(sin)); + my_listen(slisten, -1); + + my_socketpair(sv); + + len = sizeof(sin); + my_getsockname(slisten, (struct sockaddr *)&sin, &len); + + sconnect = my_socket(PF_INET, SOCK_STREAM, 0); + setnonblock(sconnect); + my_connect(sconnect, (struct sockaddr *)&sin, len); + + sleep(1); + + close4(slisten, sconnect, sv[0], sv[1]); + + test_sysctls(inflight, openfiles); +} + +static void +listen_connect_drop(void) +{ + struct sockaddr_in sin; + int slisten, sconnect, sv[2]; + int inflight, openfiles; + socklen_t len; + + test = "listen_connect_drop"; + printf("%s\n", test); + save_sysctls(&inflight, &openfiles); + + slisten = my_socket(PF_INET, SOCK_STREAM, 0); + my_bind(slisten, (struct sockaddr *)&sin, sizeof(sin)); + my_listen(slisten, -1); + + my_socketpair(sv); + + len = sizeof(sin); + my_getsockname(slisten, (struct sockaddr *)&sin, &len); + + sconnect = my_socket(PF_INET, SOCK_STREAM, 0); + setnonblock(sconnect); + my_connect(sconnect, (struct sockaddr *)&sin, len); + + sleep(1); + sendfd(sv[0], slisten); + close3(slisten, sv[0], sv[1]); + sleep(1); + close(sconnect); + + test_sysctls(inflight, openfiles); +} + +static void +recursion(void) +{ + int fd[2], ff[2]; + int inflight, openfiles, deferred, deferred1; + + test = "recursion"; + printf("%s\n", test); + save_sysctls(&inflight, &openfiles); + deferred = getdeferred(); + + my_socketpair(fd); + + for (;;) { + if (socketpair(PF_UNIX, SOCK_STREAM, 0, ff) == -1) { + if (errno == EMFILE || errno == ENFILE) + break; + err(-1, "socketpair"); + } + sendfd(ff[0], fd[0]); + sendfd(ff[0], fd[1]); + close2(fd[1], fd[0]); + fd[0] = ff[0]; + fd[1] = ff[1]; + } + close2(fd[0], fd[1]); + sleep(1); + test_sysctls(inflight, openfiles); + deferred1 = getdeferred(); + if (deferred != deferred1) + errx(-1, "recursion: deferred before %d after %d", deferred, + deferred1); +} + +#define RMDIR "rm -Rf " +int +main(int argc, char *argv[]) +{ + char cmd[sizeof(RMDIR) + PATH_MAX]; + int serrno; + pid_t pid; + + strlcpy(dpath, "/tmp/unpgc.XXXXXXXX", sizeof(dpath)); + if (mkdtemp(dpath) == NULL) + err(-1, "mkdtemp"); + + /* + * Set up a parent process to GC temporary storage when we're done. + */ + pid = fork(); + if (pid < 0) { + serrno = errno; + (void)rmdir(dpath); + errno = serrno; + err(-1, "fork"); + } + if (pid > 0) { + signal(SIGINT, SIG_IGN); + while (waitpid(pid, NULL, 0) != pid); + snprintf(cmd, sizeof(cmd), "%s %s", RMDIR, dpath); + (void)system(cmd); + exit(0); + } + + printf("Start: inflight %d open %d\n", getinflight(), + getopenfiles()); + + twosome_nothing(); + twosome_drop(); + + threesome_nothing(); + threesome_drop(); + + fivesome_nothing(); + fivesome_drop(); + + complex_cycles(); + + listen_nothing(); + listen_drop(); + + listen_connect_nothing(); + listen_connect_drop(); + + recursion(); + + printf("Finish: inflight %d open %d\n", getinflight(), + getopenfiles()); + return (0); +} diff --git a/tools/regression/sockets/unix_passfd/Makefile b/tools/regression/sockets/unix_passfd/Makefile new file mode 100644 index 0000000..600b7b1 --- /dev/null +++ b/tools/regression/sockets/unix_passfd/Makefile @@ -0,0 +1,7 @@ +# $FreeBSD$ + +PROG= unix_passfd +MAN= +WARNS?= 3 + +.include <bsd.prog.mk> diff --git a/tools/regression/sockets/unix_passfd/unix_passfd.c b/tools/regression/sockets/unix_passfd/unix_passfd.c new file mode 100644 index 0000000..07ef589 --- /dev/null +++ b/tools/regression/sockets/unix_passfd/unix_passfd.c @@ -0,0 +1,389 @@ +/*- + * Copyright (c) 2005 Robert N. M. Watson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/stat.h> +#include <sys/sysctl.h> +#include <sys/un.h> + +#include <err.h> +#include <fcntl.h> +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +/* + * UNIX domain sockets allow file descriptors to be passed via "ancillary + * data", or control messages. This regression test is intended to exercise + * this facility, both performing some basic tests that it operates, and also + * causing some kernel edge cases to execute, such as garbage collection when + * there are cyclic file descriptor references. Right now we test only with + * stream sockets, but ideally we'd also test with datagram sockets. + */ + +static void +domainsocketpair(const char *test, int *fdp) +{ + + if (socketpair(PF_UNIX, SOCK_STREAM, 0, fdp) < 0) + err(-1, "%s: socketpair(PF_UNIX, SOCK_STREAM)", test); +} + +static void +closesocketpair(int *fdp) +{ + + close(fdp[0]); + close(fdp[1]); +} + +static void +devnull(const char *test, int *fdp) +{ + int fd; + + fd = open("/dev/null", O_RDONLY); + if (fd < 0) + err(-1, "%s: open(/dev/null)", test); + *fdp = fd; +} + +static void +tempfile(const char *test, int *fdp) +{ + char path[PATH_MAX]; + int fd; + + snprintf(path, PATH_MAX, "/tmp/unix_passfd.XXXXXXXXXXXXXXX"); + fd = mkstemp(path); + if (fd < 0) + err(-1, "%s: mkstemp(%s)", test, path); + (void)unlink(path); + *fdp = fd; +} + +static void +dofstat(const char *test, int fd, struct stat *sb) +{ + + if (fstat(fd, sb) < 0) + err(-1, "%s: fstat", test); +} + +static void +samefile(const char *test, struct stat *sb1, struct stat *sb2) +{ + + if (sb1->st_dev != sb2->st_dev) + errx(-1, "%s: samefile: different device", test); + if (sb1->st_ino != sb2->st_ino) + errx(-1, "%s: samefile: different inode", test); +} + +static void +sendfd_payload(const char *test, int sockfd, int sendfd, + void *payload, size_t paylen) +{ + struct iovec iovec; + char message[CMSG_SPACE(sizeof(int))]; + struct cmsghdr *cmsghdr; + struct msghdr msghdr; + ssize_t len; + + bzero(&msghdr, sizeof(msghdr)); + bzero(&message, sizeof(message)); + + msghdr.msg_control = message; + msghdr.msg_controllen = sizeof(message); + + iovec.iov_base = payload; + iovec.iov_len = paylen; + + msghdr.msg_iov = &iovec; + msghdr.msg_iovlen = 1; + + cmsghdr = (struct cmsghdr *)message; + cmsghdr->cmsg_len = CMSG_LEN(sizeof(int)); + cmsghdr->cmsg_level = SOL_SOCKET; + cmsghdr->cmsg_type = SCM_RIGHTS; + *(int *)CMSG_DATA(cmsghdr) = sendfd; + + len = sendmsg(sockfd, &msghdr, 0); + if (len < 0) + err(-1, "%s: sendmsg", test); + if ((size_t)len != paylen) + errx(-1, "%s: sendmsg: %zd bytes sent", test, len); +} + +static void +sendfd(const char *test, int sockfd, int sendfd) +{ + char ch; + + return (sendfd_payload(test, sockfd, sendfd, &ch, sizeof(ch))); +} + +static void +recvfd_payload(const char *test, int sockfd, int *recvfd, + void *buf, size_t buflen) +{ + struct cmsghdr *cmsghdr; + char message[CMSG_SPACE(SOCKCREDSIZE(CMGROUP_MAX)) + sizeof(int)]; + struct msghdr msghdr; + struct iovec iovec; + ssize_t len; + + bzero(&msghdr, sizeof(msghdr)); + + msghdr.msg_control = message; + msghdr.msg_controllen = sizeof(message); + + iovec.iov_base = buf; + iovec.iov_len = buflen; + + msghdr.msg_iov = &iovec; + msghdr.msg_iovlen = 1; + + len = recvmsg(sockfd, &msghdr, 0); + if (len < 0) + err(-1, "%s: recvmsg", test); + if ((size_t)len != buflen) + errx(-1, "%s: recvmsg: %zd bytes received", test, len); + + cmsghdr = CMSG_FIRSTHDR(&msghdr); + if (cmsghdr == NULL) + errx(-1, "%s: recvmsg: did not receive control message", test); + *recvfd = -1; + for (; cmsghdr != NULL; cmsghdr = CMSG_NXTHDR(&msghdr, cmsghdr)) { + if (cmsghdr->cmsg_level == SOL_SOCKET && + cmsghdr->cmsg_type == SCM_RIGHTS && + cmsghdr->cmsg_len == CMSG_LEN(sizeof(int))) { + *recvfd = *(int *)CMSG_DATA(cmsghdr); + if (*recvfd == -1) + errx(-1, "%s: recvmsg: received fd -1", test); + } + } + if (*recvfd == -1) + errx(-1, "%s: recvmsg: did not receive single-fd message", + test); +} + +static void +recvfd(const char *test, int sockfd, int *recvfd) +{ + char ch; + + return (recvfd_payload(test, sockfd, recvfd, &ch, sizeof(ch))); +} + +int +main(void) +{ + struct stat putfd_1_stat, putfd_2_stat, getfd_1_stat, getfd_2_stat; + int fd[2], putfd_1, putfd_2, getfd_1, getfd_2; + const char *test; + + /* + * First test: put a temporary file into a UNIX domain socket, then + * take it out and make sure it's the same file. First time around, + * don't close the reference after sending. + */ + test = "test1-simplesendfd"; + printf("beginning %s\n", test); + + domainsocketpair(test, fd); + tempfile(test, &putfd_1); + dofstat(test, putfd_1, &putfd_1_stat); + sendfd(test, fd[0], putfd_1); + recvfd(test, fd[1], &getfd_1); + dofstat(test, getfd_1, &getfd_1_stat); + samefile(test, &putfd_1_stat, &getfd_1_stat); + close(putfd_1); + close(getfd_1); + closesocketpair(fd); + + printf("%s passed\n", test); + + /* + * Second test: same as first, only close the file reference after + * sending, so that the only reference is the descriptor in the UNIX + * domain socket buffer. + */ + test = "test2-sendandclose"; + printf("beginning %s\n", test); + + domainsocketpair(test, fd); + tempfile(test, &putfd_1); + dofstat(test, putfd_1, &putfd_1_stat); + sendfd(test, fd[0], putfd_1); + close(putfd_1); + recvfd(test, fd[1], &getfd_1); + dofstat(test, getfd_1, &getfd_1_stat); + samefile(test, &putfd_1_stat, &getfd_1_stat); + close(getfd_1); + closesocketpair(fd); + + printf("%s passed\n", test); + + /* + * Third test: put a temporary file into a UNIX domain socket, then + * close both endpoints causing garbage collection to kick off. + */ + test = "test3-sendandcancel"; + printf("beginning %s\n", test); + + domainsocketpair(test, fd); + tempfile(test, &putfd_1); + sendfd(test, fd[0], putfd_1); + close(putfd_1); + closesocketpair(fd); + + printf("%s passed\n", test); + + /* + * Send two files. Then receive them. Make sure they are returned + * in the right order, and both get there. + */ + + test = "test4-twofile"; + printf("beginning %s\n", test); + + domainsocketpair(test, fd); + tempfile(test, &putfd_1); + tempfile(test, &putfd_2); + dofstat(test, putfd_1, &putfd_1_stat); + dofstat(test, putfd_2, &putfd_2_stat); + sendfd(test, fd[0], putfd_1); + sendfd(test, fd[0], putfd_2); + close(putfd_1); + close(putfd_2); + recvfd(test, fd[1], &getfd_1); + recvfd(test, fd[1], &getfd_2); + dofstat(test, getfd_1, &getfd_1_stat); + dofstat(test, getfd_2, &getfd_2_stat); + samefile(test, &putfd_1_stat, &getfd_1_stat); + samefile(test, &putfd_2_stat, &getfd_2_stat); + close(getfd_1); + close(getfd_2); + closesocketpair(fd); + + printf("%s passed\n", test); + + /* + * Big bundling test. Send an endpoint of the UNIX domain socket + * over itself, closing the door behind it. + */ + + test = "test5-bundle"; + printf("beginning %s\n", test); + + domainsocketpair(test, fd); + + sendfd(test, fd[0], fd[0]); + close(fd[0]); + recvfd(test, fd[1], &getfd_1); + close(getfd_1); + close(fd[1]); + + printf("%s passed\n", test); + + /* + * Big bundling test part two: Send an endpoint of the UNIX domain + * socket over itself, close the door behind it, and never remove it + * from the other end. + */ + + test = "test6-bundlecancel"; + printf("beginning %s\n", test); + + domainsocketpair(test, fd); + sendfd(test, fd[0], fd[0]); + sendfd(test, fd[1], fd[0]); + closesocketpair(fd); + + printf("%s passed\n", test); + + /* + * Test for PR 151758: Send an character device over the UNIX + * domain socket and then close both sockets to orphan the + * device. + */ + + test = "test7-devfsorphan"; + printf("beginning %s\n", test); + + domainsocketpair(test, fd); + devnull(test, &putfd_1); + sendfd(test, fd[0], putfd_1); + close(putfd_1); + closesocketpair(fd); + + printf("%s passed\n", test); + + /* + * Test for PR 181741. Receiver sets LOCAL_CREDS, and kernel + * prepends a control message to the data. Sender sends large + * payload. Payload + SCM_RIGHTS + LOCAL_CREDS hit socket buffer + * limit, and receiver receives truncated data. + */ + test = "test8-rights+creds+payload"; + printf("beginning %s\n", test); + + { + const int on = 1; + u_long sendspace; + size_t len; + void *buf; + + len = sizeof(sendspace); + if (sysctlbyname("net.local.stream.sendspace", &sendspace, + &len, NULL, 0) < 0) + err(-1, "%s: sysctlbyname(net.local.stream.sendspace)", + test); + + if ((buf = malloc(sendspace)) == NULL) + err(-1, "%s: malloc", test); + + domainsocketpair(test, fd); + if (setsockopt(fd[1], 0, LOCAL_CREDS, &on, sizeof(on)) < 0) + err(-1, "%s: setsockopt(LOCAL_CREDS)", test); + tempfile(test, &putfd_1); + sendfd_payload(test, fd[0], putfd_1, buf, sendspace); + recvfd_payload(test, fd[1], &getfd_1, buf, sendspace); + close(putfd_1); + close(getfd_1); + closesocketpair(fd); + } + + printf("%s passed\n", test); + + return (0); +} diff --git a/tools/regression/sockets/unix_sendtorace/Makefile b/tools/regression/sockets/unix_sendtorace/Makefile new file mode 100644 index 0000000..75e7b9f --- /dev/null +++ b/tools/regression/sockets/unix_sendtorace/Makefile @@ -0,0 +1,7 @@ +# $FreeBSD$ + +PROG= unix_sendtorace +MAN= +WARNS?= 6 + +.include <bsd.prog.mk> diff --git a/tools/regression/sockets/unix_sendtorace/unix_sendtorace.c b/tools/regression/sockets/unix_sendtorace/unix_sendtorace.c new file mode 100644 index 0000000..9fd748d --- /dev/null +++ b/tools/regression/sockets/unix_sendtorace/unix_sendtorace.c @@ -0,0 +1,215 @@ +/*- + * Copyright (c) 2006 Robert N. M. Watson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +/* + * Attempts to exercise UNIX domain socket races relating to the non-atomic + * connect-and-send properties of sendto(). As the result of such a race is + * a kernel panic, this test simply completes or doesn't. + * + * XXX: Despite implementing support for sendto() on stream sockets with + * implied connect, the appropriate flag isn't set in the FreeBSD kernel so + * it does not work. For now, don't call the stream test. + */ + +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/un.h> + +#include <err.h> +#include <signal.h> +#include <string.h> +#include <unistd.h> + +#define ITERATIONS 1000000 + +static char socket_path[] = "tmp.XXXXXX"; + +static void +stream_server(int listenfd) +{ + int acceptfd; + + while (1) { + acceptfd = accept(listenfd, NULL, NULL); + if (acceptfd < 0) { + warn("stream_server: accept"); + continue; + } + sleep(1); + close(acceptfd); + } +} + +static void +stream_client(void) +{ + struct sockaddr_un sun; + ssize_t len; + char c = 0; + int fd, i; + + bzero(&sun, sizeof(sun)); + sun.sun_len = sizeof(sun); + sun.sun_family = AF_UNIX; + strcpy(sun.sun_path, socket_path); + for (i = 0; i < ITERATIONS; i++) { + fd = socket(PF_UNIX, SOCK_STREAM, 0); + if (fd < 0) { + warn("stream_client: socket"); + return; + } + len = sendto(fd, &c, sizeof(c), 0, (struct sockaddr *)&sun, + sizeof(sun)); + if (len < 0) + warn("stream_client: sendto"); + close(fd); + } +} + +static void +stream_test(void) +{ + struct sockaddr_un sun; + pid_t childpid; + int listenfd; + + listenfd = socket(PF_UNIX, SOCK_STREAM, 0); + if (listenfd < 0) + err(-1, "stream_test: socket"); + + bzero(&sun, sizeof(sun)); + sun.sun_len = sizeof(sun); + sun.sun_family = AF_UNIX; + strcpy(sun.sun_path, socket_path); + + if (bind(listenfd, (struct sockaddr *)&sun, sizeof(sun)) < 0) + err(-1, "stream_test: bind"); + + if (listen(listenfd, -1) < 0) + err(-1, "stream_test: listen"); + + childpid = fork(); + if (childpid < 0) + err(-1, "stream_test: fork"); + + if (childpid != 0) { + sleep(1); + stream_client(); + kill(childpid, SIGTERM); + sleep(1); + } else + stream_server(listenfd); + + (void)unlink(socket_path); +} + +static void +datagram_server(int serverfd) +{ + ssize_t len; + char c; + + while (1) { + len = recv(serverfd, &c, sizeof(c), 0); + if (len < 0) + warn("datagram_server: recv"); + } +} + +static void +datagram_client(void) +{ + struct sockaddr_un sun; + ssize_t len; + char c = 0; + int fd, i; + + bzero(&sun, sizeof(sun)); + sun.sun_len = sizeof(sun); + sun.sun_family = AF_UNIX; + strcpy(sun.sun_path, socket_path); + for (i = 0; i < ITERATIONS; i++) { + fd = socket(PF_UNIX, SOCK_DGRAM, 0); + if (fd < 0) { + warn("datagram_client: socket"); + return; + } + len = sendto(fd, &c, sizeof(c), 0, (struct sockaddr *)&sun, + sizeof(sun)); + if (len < 0) + warn("datagram_client: sendto"); + close(fd); + } +} + +static void +datagram_test(void) +{ + struct sockaddr_un sun; + pid_t childpid; + int serverfd; + + serverfd = socket(PF_UNIX, SOCK_DGRAM, 0); + if (serverfd < 0) + err(-1, "datagram_test: socket"); + + bzero(&sun, sizeof(sun)); + sun.sun_len = sizeof(sun); + sun.sun_family = AF_UNIX; + strcpy(sun.sun_path, socket_path); + + if (bind(serverfd, (struct sockaddr *)&sun, sizeof(sun)) < 0) + err(-1, "datagram_test: bind"); + + childpid = fork(); + if (childpid < 0) + err(-1, "datagram_test: fork"); + + if (childpid != 0) { + sleep(1); + datagram_client(); + kill(childpid, SIGTERM); + sleep(1); + } else + datagram_server(serverfd); + + (void)unlink(socket_path); +} + +int +main(void) +{ + + if (mkstemp(socket_path) == -1) + err(1, "mkstemp failed"); + (void)unlink(socket_path); + datagram_test(); + if (0) + stream_test(); + return (0); +} diff --git a/tools/regression/sockets/unix_socket/Makefile b/tools/regression/sockets/unix_socket/Makefile new file mode 100644 index 0000000..bb60456 --- /dev/null +++ b/tools/regression/sockets/unix_socket/Makefile @@ -0,0 +1,7 @@ +# $FreeBSD$ + +PROG= unix_socket +MAN= +WARNS?= 6 + +.include <bsd.prog.mk> diff --git a/tools/regression/sockets/unix_socket/unix_socket.c b/tools/regression/sockets/unix_socket/unix_socket.c new file mode 100644 index 0000000..085366f --- /dev/null +++ b/tools/regression/sockets/unix_socket/unix_socket.c @@ -0,0 +1,84 @@ +/*- + * Copyright (c) 2006 Robert N. M. Watson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +/* + * Simple UNIX domain socket regression test: create and tear down various + * supported and unsupported socket types. + */ + +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/un.h> + +#include <err.h> +#include <errno.h> +#include <unistd.h> + +int +main(void) +{ + int sock, socks[2]; + + sock = socket(PF_LOCAL, SOCK_STREAM, 0); + if (sock < 0) + err(-1, "socket(PF_LOCAL, SOCK_STREAM, 0)"); + close(sock); + + sock = socket(PF_LOCAL, SOCK_DGRAM, 0); + if (sock < 0) + err(-1, "socket(PF_LOCAL, SOCK_DGRAM, 0)"); + close(sock); + + sock = socket(PF_LOCAL, SOCK_RAW, 0); + if (sock >= 0) { + close(sock); + errx(-1, "socket(PF_LOCAL, SOCK_RAW, 0) returned %d", sock); + } + if (errno != EPROTONOSUPPORT) + err(-1, "socket(PF_LOCAL, SOCK_RAW, 0)"); + + if (socketpair(PF_LOCAL, SOCK_STREAM, 0, socks) < 0) + err(-1, "socketpair(PF_LOCAL, SOCK_STREAM, 0, socks)"); + if (socks[0] < 0) + errx(-1, "socketpair(PF_LOCAL, SOCK_STREAM, 0, socks) [0] < 0"); + if (socks[1] < 0) + errx(-1, "socketpair(PF_LOCAL, SOCK_STREAM, 0, socks) [1] < 1"); + close(socks[0]); + close(socks[1]); + + if (socketpair(PF_LOCAL, SOCK_DGRAM, 0, socks) < 0) + err(-1, "socketpair(PF_LOCAL, SOCK_DGRAM, 0, socks)"); + if (socks[0] < 0) + errx(-1, "socketpair(PF_LOCAL, SOCK_DGRAM, 0, socks) [0] < 0"); + if (socks[1] < 0) + errx(-1, "socketpair(PF_LOCAL, SOCK_DGRAM, 0, socks) [1] < 1"); + close(socks[0]); + close(socks[1]); + + return (0); +} diff --git a/tools/regression/sockets/unix_sorflush/Makefile b/tools/regression/sockets/unix_sorflush/Makefile new file mode 100644 index 0000000..db0aa6a --- /dev/null +++ b/tools/regression/sockets/unix_sorflush/Makefile @@ -0,0 +1,7 @@ +# $FreeBSD$ + +PROG= unix_sorflush +MAN= +WARNS?= 6 + +.include <bsd.prog.mk> diff --git a/tools/regression/sockets/unix_sorflush/unix_sorflush.c b/tools/regression/sockets/unix_sorflush/unix_sorflush.c new file mode 100644 index 0000000..e0deb00 --- /dev/null +++ b/tools/regression/sockets/unix_sorflush/unix_sorflush.c @@ -0,0 +1,99 @@ +/*- + * Copyright (c) 2008 Robert N. M. Watson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* + * Reproduce a race in which: + * + * - Process (a) is blocked in read on a socket waiting on data. + * - Process (b) is blocked in shutdown() on a socket waiting on (a). + * - Process (c) delivers a signal to (b) interrupting its wait. + * + * This race is premised on shutdown() not interrupting (a) properly, and the + * signal to (b) causing problems in the kernel. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/socket.h> + +#include <err.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +static void +receive_and_exit(int s) +{ + ssize_t ssize; + char ch; + + ssize = recv(s, &ch, sizeof(ch), 0); + if (ssize < 0) + err(-1, "receive_and_exit: recv"); + exit(0); +} + +static void +shutdown_and_exit(int s) +{ + + if (shutdown(s, SHUT_RD) < 0) + err(-1, "shutdown_and_exit: shutdown"); + exit(0); +} + +int +main(void) +{ + pid_t pida, pidb; + int sv[2]; + + if (socketpair(PF_LOCAL, SOCK_STREAM, 0, sv) < 0) + err(-1, "socketpair"); + + pida = fork(); + if (pida < 0) + err(-1, "fork"); + if (pida == 0) + receive_and_exit(sv[1]); + sleep(1); + pidb = fork(); + if (pidb < 0) { + warn("fork"); + (void)kill(pida, SIGKILL); + exit(-1); + } + if (pidb == 0) + shutdown_and_exit(sv[1]); + sleep(1); + if (kill(pidb, SIGKILL) < 0) + err(-1, "kill"); + sleep(1); + printf("ok 1 - unix_sorflush\n"); + exit(0); +} diff --git a/tools/regression/sockets/zerosend/Makefile b/tools/regression/sockets/zerosend/Makefile new file mode 100644 index 0000000..1562acc --- /dev/null +++ b/tools/regression/sockets/zerosend/Makefile @@ -0,0 +1,7 @@ +# $FreeBSD$ + +PROG= zerosend +MAN= +WARNS?= 2 + +.include <bsd.prog.mk> diff --git a/tools/regression/sockets/zerosend/zerosend.c b/tools/regression/sockets/zerosend/zerosend.c new file mode 100644 index 0000000..1f3217a --- /dev/null +++ b/tools/regression/sockets/zerosend/zerosend.c @@ -0,0 +1,290 @@ +/*- + * Copyright (c) 2007 Robert N. M. Watson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/select.h> +#include <sys/socket.h> +#include <sys/stat.h> + +#include <netinet/in.h> + +#include <arpa/inet.h> + +#include <err.h> +#include <errno.h> +#include <fcntl.h> +#include <limits.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> + +#define PORT1 10001 +#define PORT2 10002 + +static void +try_0send(const char *test, int fd) +{ + ssize_t len; + char ch; + + ch = 0; + len = send(fd, &ch, 0, 0); + if (len < 0) + err(-1, "%s: try_0send", test); + if (len != 0) + errx(-1, "%s: try_0send: returned %zd", test, len); +} + +static void +try_0write(const char *test, int fd) +{ + ssize_t len; + char ch; + + ch = 0; + len = write(fd, &ch, 0); + if (len < 0) + err(-1, "%s: try_0write", test); + if (len != 0) + errx(-1, "%s: try_0write: returned %zd", test, len); +} + +static void +setup_udp(const char *test, int *fdp) +{ + struct sockaddr_in sin; + int sock1, sock2; + + bzero(&sin, sizeof(sin)); + sin.sin_len = sizeof(sin); + sin.sin_family = AF_INET; + sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK); + + sin.sin_port = htons(PORT1); + sock1 = socket(PF_INET, SOCK_DGRAM, 0); + if (sock1 < 0) + err(-1, "%s: setup_udp: socket", test); + if (bind(sock1, (struct sockaddr *)&sin, sizeof(sin)) < 0) + err(-1, "%s: setup_udp: bind(%s, %d)", test, + inet_ntoa(sin.sin_addr), PORT1); + sin.sin_port = htons(PORT2); + if (connect(sock1, (struct sockaddr *)&sin, sizeof(sin)) < 0) + err(-1, "%s: setup_udp: connect(%s, %d)", test, + inet_ntoa(sin.sin_addr), PORT2); + + sock2 = socket(PF_INET, SOCK_DGRAM, 0); + if (sock2 < 0) + err(-1, "%s: setup_udp: socket", test); + if (bind(sock2, (struct sockaddr *)&sin, sizeof(sin)) < 0) + err(-1, "%s: setup_udp: bind(%s, %d)", test, + inet_ntoa(sin.sin_addr), PORT2); + sin.sin_port = htons(PORT1); + if (connect(sock2, (struct sockaddr *)&sin, sizeof(sin)) < 0) + err(-1, "%s: setup_udp: connect(%s, %d)", test, + inet_ntoa(sin.sin_addr), PORT1); + + fdp[0] = sock1; + fdp[1] = sock2; +} + +static void +setup_tcp(const char *test, int *fdp) +{ + fd_set writefds, exceptfds; + struct sockaddr_in sin; + int ret, sock1, sock2, sock3; + struct timeval tv; + + bzero(&sin, sizeof(sin)); + sin.sin_len = sizeof(sin); + sin.sin_family = AF_INET; + sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK); + + /* + * First set up the listen socket. + */ + sin.sin_port = htons(PORT1); + sock1 = socket(PF_INET, SOCK_STREAM, 0); + if (sock1 < 0) + err(-1, "%s: setup_tcp: socket", test); + if (bind(sock1, (struct sockaddr *)&sin, sizeof(sin)) < 0) + err(-1, "%s: bind(%s, %d)", test, inet_ntoa(sin.sin_addr), + PORT1); + if (listen(sock1, -1) < 0) + err(-1, "%s: listen", test); + + /* + * Now connect to it, non-blocking so that we don't deadlock against + * ourselves. + */ + sock2 = socket(PF_INET, SOCK_STREAM, 0); + if (sock2 < 0) + err(-1, "%s: setup_tcp: socket", test); + if (fcntl(sock2, F_SETFL, O_NONBLOCK) < 0) + err(-1, "%s: setup_tcp: fcntl(O_NONBLOCK)", test); + if (connect(sock2, (struct sockaddr *)&sin, sizeof(sin)) < 0 && + errno != EINPROGRESS) + err(-1, "%s: setup_tcp: connect(%s, %d)", test, + inet_ntoa(sin.sin_addr), PORT1); + + /* + * Now pick up the connection after sleeping a moment to make sure + * there's been time for some packets to go back and forth. + */ + if (sleep(1) < 0) + err(-1, "%s: sleep(1)", test); + sock3 = accept(sock1, NULL, NULL); + if (sock3 < 0) + err(-1, "%s: accept", test); + if (sleep(1) < 0) + err(-1, "%s: sleep(1)", test); + + FD_ZERO(&writefds); + FD_SET(sock2, &writefds); + FD_ZERO(&exceptfds); + FD_SET(sock2, &exceptfds); + tv.tv_sec = 1; + tv.tv_usec = 0; + ret = select(sock2 + 1, NULL, &writefds, &exceptfds, &tv); + if (ret < 0) + err(-1, "%s: setup_tcp: select", test); + if (FD_ISSET(sock2, &exceptfds)) + errx(-1, "%s: setup_tcp: select: exception", test); + if (!FD_ISSET(sock2, &writefds)) + errx(-1, "%s: setup_tcp: select: not writable", test); + + close(sock1); + fdp[0] = sock2; + fdp[1] = sock3; +} + +static void +setup_udsstream(const char *test, int *fdp) +{ + + if (socketpair(PF_LOCAL, SOCK_STREAM, 0, fdp) < 0) + err(-1, "%s: setup_udsstream: socketpair", test); +} + +static void +setup_udsdgram(const char *test, int *fdp) +{ + + if (socketpair(PF_LOCAL, SOCK_DGRAM, 0, fdp) < 0) + err(-1, "%s: setup_udsdgram: socketpair", test); +} + +static void +setup_pipe(const char *test, int *fdp) +{ + + if (pipe(fdp) < 0) + err(-1, "%s: setup_pipe: pipe", test); +} + +static void +setup_fifo(const char *test, int *fdp) +{ + char path[] = "0send_fifo.XXXXXXX"; + int fd1, fd2; + + if (mkstemp(path) == -1) + err(-1, "%s: setup_fifo: mktemp", test); + unlink(path); + + if (mkfifo(path, 0600) < 0) + err(-1, "%s: setup_fifo: mkfifo(%s)", test, path); + + fd1 = open(path, O_RDONLY | O_NONBLOCK); + if (fd1 < 0) + err(-1, "%s: setup_fifo: open(%s, O_RDONLY)", test, path); + + fd2 = open(path, O_WRONLY | O_NONBLOCK); + if (fd2 < 0) + err(-1, "%s: setup_fifo: open(%s, O_WRONLY)", test, path); + + fdp[0] = fd2; + fdp[1] = fd1; +} + +static void +close_both(int *fdp) +{ + + close(fdp[0]); + fdp[0] = -1; + close(fdp[1]); + fdp[1] = -1; +} + +int +main(int argc, char *argv[]) +{ + int fd[2]; + + setup_udp("udp_0send", fd); + try_0send("udp_0send", fd[0]); + close_both(fd); + + setup_udp("udp_0write", fd); + try_0write("udp_0write", fd[0]); + close_both(fd); + + setup_tcp("tcp_0send", fd); + try_0send("tcp_0send", fd[0]); + close_both(fd); + + setup_tcp("tcp_0write", fd); + try_0write("tcp_0write", fd[0]); + close_both(fd); + + setup_udsstream("udsstream_0send", fd); + try_0send("udsstream_0send", fd[0]); + close_both(fd); + + setup_udsstream("udsstream_0write", fd); + try_0write("udsstream_0write", fd[0]); + close_both(fd); + + setup_udsdgram("udsdgram_0send", fd); + try_0send("udsdgram_0send", fd[0]); + close_both(fd); + + setup_udsdgram("udsdgram_0write", fd); + try_0write("udsdgram_0write", fd[0]); + close_both(fd); + + setup_pipe("pipe_0write", fd); + try_0write("pipd_0write", fd[0]); + close_both(fd); + + setup_fifo("fifo_0write", fd); + try_0write("fifo_0write", fd[0]); + close_both(fd); + + return (0); +} diff --git a/tools/regression/vfs/trailing_slash.t b/tools/regression/vfs/trailing_slash.t new file mode 100755 index 0000000..b1b8523 --- /dev/null +++ b/tools/regression/vfs/trailing_slash.t @@ -0,0 +1,42 @@ +#!/bin/sh +# +# $FreeBSD$ +# +# Tests vfs_lookup()'s handling of trailing slashes for symlinks that +# point to files. See kern/21768 for details. Fixed in r193028. +# + +testfile="/tmp/testfile-$$" +testlink="/tmp/testlink-$$" + +tests=" +$testfile:$testlink:$testfile:0 +$testfile:$testlink:$testfile/:1 +$testfile:$testlink:$testlink:0 +$testfile:$testlink:$testlink/:1 +$testfile/:$testlink:$testlink:1 +$testfile/:$testlink:$testlink/:1 +" + +touch $testfile || exit 1 +trap "rm $testfile $testlink" EXIT + +set $tests +echo "1..$#" +n=1 +for testspec ; do + ( + IFS=: + set $testspec + unset IFS + ln -fs "$1" "$2" || exit 1 + cat "$3" >/dev/null 2>&1 + ret=$? + if [ "$ret" -eq "$4" ] ; then + echo "ok $n" + else + echo "fail $n - expected $4, got $ret" + fi + ) + n=$((n+1)) +done |
