diff options
Diffstat (limited to 'contrib/netbsd-tests/lib/libc/gen/posix_spawn/t_fileactions.c')
| -rw-r--r-- | contrib/netbsd-tests/lib/libc/gen/posix_spawn/t_fileactions.c | 385 |
1 files changed, 385 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/lib/libc/gen/posix_spawn/t_fileactions.c b/contrib/netbsd-tests/lib/libc/gen/posix_spawn/t_fileactions.c new file mode 100644 index 0000000..1cf6433 --- /dev/null +++ b/contrib/netbsd-tests/lib/libc/gen/posix_spawn/t_fileactions.c @@ -0,0 +1,385 @@ +/* $NetBSD: t_fileactions.c,v 1.5 2012/04/09 19:42:07 martin Exp $ */ + +/*- + * Copyright (c) 2012 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Charles Zhang <charles@NetBSD.org> and + * Martin Husemann <martin@NetBSD.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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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 <atf-c.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> +#include <fcntl.h> +#include <spawn.h> +#include <unistd.h> +#include <sys/wait.h> + + +ATF_TC(t_spawn_openmode); + +ATF_TC_HEAD(t_spawn_openmode, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Test the proper handling of 'mode' for 'open' fileactions"); + atf_tc_set_md_var(tc, "require.progs", "/bin/cat"); +} + +static off_t +filesize(const char * restrict fname) +{ + struct stat st; + int err; + + err = stat(fname, &st); + ATF_REQUIRE(err == 0); + return st.st_size; +} + +#define TESTFILE "./the_input_data" +#define CHECKFILE "./the_output_data" +#define TESTCONTENT "marry has a little lamb" + +static void +make_testfile(const char *restrict file) +{ + FILE *f; + size_t written; + + f = fopen(file, "w"); + ATF_REQUIRE(f != NULL); + written = fwrite(TESTCONTENT, 1, strlen(TESTCONTENT), f); + fclose(f); + ATF_REQUIRE(written == strlen(TESTCONTENT)); +} + +static void +empty_outfile(const char *restrict filename) +{ + FILE *f; + + f = fopen(filename, "w"); + ATF_REQUIRE(f != NULL); + fclose(f); +} + +ATF_TC_BODY(t_spawn_openmode, tc) +{ + int status, err; + pid_t pid; + size_t insize, outsize; + char * const args[2] = { __UNCONST("cat"), NULL }; + posix_spawn_file_actions_t fa; + + /* + * try a "cat < testfile > checkfile" + */ + make_testfile(TESTFILE); + unlink(CHECKFILE); + + posix_spawn_file_actions_init(&fa); + posix_spawn_file_actions_addopen(&fa, fileno(stdin), + TESTFILE, O_RDONLY, 0); + posix_spawn_file_actions_addopen(&fa, fileno(stdout), + CHECKFILE, O_WRONLY|O_CREAT, 0600); + err = posix_spawn(&pid, "/bin/cat", &fa, NULL, args, NULL); + posix_spawn_file_actions_destroy(&fa); + + ATF_REQUIRE(err == 0); + + /* ok, wait for the child to finish */ + waitpid(pid, &status, 0); + ATF_REQUIRE(WIFEXITED(status) && WEXITSTATUS(status) == EXIT_SUCCESS); + + /* now check that input and output have the same size */ + insize = filesize(TESTFILE); + outsize = filesize(CHECKFILE); + ATF_REQUIRE(insize == strlen(TESTCONTENT)); + ATF_REQUIRE(insize == outsize); + + /* + * try a "cat < testfile >> checkfile" + */ + make_testfile(TESTFILE); + make_testfile(CHECKFILE); + + posix_spawn_file_actions_init(&fa); + posix_spawn_file_actions_addopen(&fa, fileno(stdin), + TESTFILE, O_RDONLY, 0); + posix_spawn_file_actions_addopen(&fa, fileno(stdout), + CHECKFILE, O_WRONLY|O_APPEND, 0); + err = posix_spawn(&pid, "/bin/cat", &fa, NULL, args, NULL); + posix_spawn_file_actions_destroy(&fa); + + ATF_REQUIRE(err == 0); + + /* ok, wait for the child to finish */ + waitpid(pid, &status, 0); + ATF_REQUIRE(WIFEXITED(status) && WEXITSTATUS(status) == EXIT_SUCCESS); + + /* now check that output is twice as long as input */ + insize = filesize(TESTFILE); + outsize = filesize(CHECKFILE); + ATF_REQUIRE(insize == strlen(TESTCONTENT)); + ATF_REQUIRE(insize*2 == outsize); + + /* + * try a "cat < testfile > checkfile" with input and output swapped + */ + make_testfile(TESTFILE); + empty_outfile(CHECKFILE); + + posix_spawn_file_actions_init(&fa); + posix_spawn_file_actions_addopen(&fa, fileno(stdout), + TESTFILE, O_RDONLY, 0); + posix_spawn_file_actions_addopen(&fa, fileno(stdin), + CHECKFILE, O_WRONLY, 0); + err = posix_spawn(&pid, "/bin/cat", &fa, NULL, args, NULL); + posix_spawn_file_actions_destroy(&fa); + + ATF_REQUIRE(err == 0); + + /* ok, wait for the child to finish */ + waitpid(pid, &status, 0); + ATF_REQUIRE(WIFEXITED(status) && WEXITSTATUS(status) == EXIT_FAILURE); + + /* now check that input and output are still the same size */ + insize = filesize(TESTFILE); + outsize = filesize(CHECKFILE); + ATF_REQUIRE(insize == strlen(TESTCONTENT)); + ATF_REQUIRE(outsize == 0); +} + +ATF_TC(t_spawn_reopen); + +ATF_TC_HEAD(t_spawn_reopen, tc) +{ + atf_tc_set_md_var(tc, "descr", + "an open filehandle can be replaced by a 'open' fileaction"); + atf_tc_set_md_var(tc, "require.progs", "/bin/cat"); +} + +ATF_TC_BODY(t_spawn_reopen, tc) +{ + int status, err; + pid_t pid; + char * const args[2] = { __UNCONST("cat"), NULL }; + posix_spawn_file_actions_t fa; + + /* + * make sure stdin is open in the parent + */ + freopen("/dev/zero", "r", stdin); + /* + * now request an open for this fd again in the child + */ + posix_spawn_file_actions_init(&fa); + posix_spawn_file_actions_addopen(&fa, fileno(stdin), + "/dev/null", O_RDONLY, 0); + err = posix_spawn(&pid, "/bin/cat", &fa, NULL, args, NULL); + posix_spawn_file_actions_destroy(&fa); + + ATF_REQUIRE(err == 0); + + waitpid(pid, &status, 0); + ATF_REQUIRE(WIFEXITED(status) && WEXITSTATUS(status) == EXIT_SUCCESS); +} + +ATF_TC(t_spawn_open_nonexistent); + +ATF_TC_HEAD(t_spawn_open_nonexistent, tc) +{ + atf_tc_set_md_var(tc, "descr", + "posix_spawn fails when a file to open does not exist"); + atf_tc_set_md_var(tc, "require.progs", "/bin/cat"); +} + +ATF_TC_BODY(t_spawn_open_nonexistent, tc) +{ + int err, status; + pid_t pid; + char * const args[2] = { __UNCONST("cat"), NULL }; + posix_spawn_file_actions_t fa; + + posix_spawn_file_actions_init(&fa); + posix_spawn_file_actions_addopen(&fa, STDIN_FILENO, + "./non/ex/ist/ent", O_RDONLY, 0); + err = posix_spawn(&pid, "/bin/cat", &fa, NULL, args, NULL); + if (err == 0) { + /* + * The child has been created - it should fail and + * return exit code 127 + */ + waitpid(pid, &status, 0); + ATF_REQUIRE(WIFEXITED(status) && WEXITSTATUS(status) == 127); + } else { + /* + * The error has been noticed early enough, no child has + * been run + */ + ATF_REQUIRE(err == ENOENT); + } + posix_spawn_file_actions_destroy(&fa); +} + +ATF_TC(t_spawn_open_nonexistent_diag); + +ATF_TC_HEAD(t_spawn_open_nonexistent_diag, tc) +{ + atf_tc_set_md_var(tc, "descr", + "posix_spawn fails when a file to open does not exist " + "and delivers proper diagnostic"); + atf_tc_set_md_var(tc, "require.progs", "/bin/cat"); +} + +ATF_TC_BODY(t_spawn_open_nonexistent_diag, tc) +{ + int err; + pid_t pid; + char * const args[2] = { __UNCONST("cat"), NULL }; + posix_spawnattr_t attr; + posix_spawn_file_actions_t fa; + + posix_spawnattr_init(&attr); + /* + * POSIX_SPAWN_RETURNERROR is a NetBSD specific flag that + * will cause a "proper" return value from posix_spawn(2) + * instead of a (potential) success there and a 127 exit + * status from the child process (c.f. the non-diag variant + * of this test). + */ + posix_spawnattr_setflags(&attr, POSIX_SPAWN_RETURNERROR); + posix_spawn_file_actions_init(&fa); + posix_spawn_file_actions_addopen(&fa, STDIN_FILENO, + "./non/ex/ist/ent", O_RDONLY, 0); + err = posix_spawn(&pid, "/bin/cat", &fa, &attr, args, NULL); + ATF_REQUIRE(err == ENOENT); + posix_spawn_file_actions_destroy(&fa); + posix_spawnattr_destroy(&attr); +} + +ATF_TC(t_spawn_fileactions); + +ATF_TC_HEAD(t_spawn_fileactions, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Tests various complex fileactions"); +} + +ATF_TC_BODY(t_spawn_fileactions, tc) +{ + int fd1, fd2, fd3, status, err; + pid_t pid; + char * const args[2] = { __UNCONST("h_fileactions"), NULL }; + char helper[FILENAME_MAX]; + posix_spawn_file_actions_t fa; + + posix_spawn_file_actions_init(&fa); + + closefrom(fileno(stderr)+1); + + fd1 = open("/dev/null", O_RDONLY); + ATF_REQUIRE(fd1 == 3); + + fd2 = open("/dev/null", O_WRONLY, O_CLOEXEC); + ATF_REQUIRE(fd2 == 4); + + fd3 = open("/dev/null", O_WRONLY); + ATF_REQUIRE(fd3 == 5); + + posix_spawn_file_actions_addclose(&fa, fd1); + posix_spawn_file_actions_addopen(&fa, 6, "/dev/null", O_RDWR, 0); + posix_spawn_file_actions_adddup2(&fa, 1, 7); + + snprintf(helper, sizeof helper, "%s/h_fileactions", + atf_tc_get_config_var(tc, "srcdir")); + err = posix_spawn(&pid, helper, &fa, NULL, args, NULL); + posix_spawn_file_actions_destroy(&fa); + + ATF_REQUIRE(err == 0); + + waitpid(pid, &status, 0); + ATF_REQUIRE(WIFEXITED(status) && WEXITSTATUS(status) == EXIT_SUCCESS); +} + +ATF_TC(t_spawn_empty_fileactions); + +ATF_TC_HEAD(t_spawn_empty_fileactions, tc) +{ + atf_tc_set_md_var(tc, "descr", + "posix_spawn with empty fileactions (PR kern/46038)"); + atf_tc_set_md_var(tc, "require.progs", "/bin/cat"); +} + +ATF_TC_BODY(t_spawn_empty_fileactions, tc) +{ + int status, err; + pid_t pid; + char * const args[2] = { __UNCONST("cat"), NULL }; + posix_spawn_file_actions_t fa; + size_t insize, outsize; + + /* + * try a "cat < testfile > checkfile", but set up stdin/stdout + * already in the parent and pass empty file actions to the child. + */ + make_testfile(TESTFILE); + unlink(CHECKFILE); + + freopen(TESTFILE, "r", stdin); + freopen(CHECKFILE, "w", stdout); + + posix_spawn_file_actions_init(&fa); + err = posix_spawn(&pid, "/bin/cat", &fa, NULL, args, NULL); + posix_spawn_file_actions_destroy(&fa); + + ATF_REQUIRE(err == 0); + + /* ok, wait for the child to finish */ + waitpid(pid, &status, 0); + ATF_REQUIRE(WIFEXITED(status) && WEXITSTATUS(status) == EXIT_SUCCESS); + + /* now check that input and output have the same size */ + insize = filesize(TESTFILE); + outsize = filesize(CHECKFILE); + ATF_REQUIRE(insize == strlen(TESTCONTENT)); + ATF_REQUIRE(insize == outsize); +} + +ATF_TP_ADD_TCS(tp) +{ + ATF_TP_ADD_TC(tp, t_spawn_fileactions); + ATF_TP_ADD_TC(tp, t_spawn_open_nonexistent); + ATF_TP_ADD_TC(tp, t_spawn_open_nonexistent_diag); + ATF_TP_ADD_TC(tp, t_spawn_reopen); + ATF_TP_ADD_TC(tp, t_spawn_openmode); + ATF_TP_ADD_TC(tp, t_spawn_empty_fileactions); + + return atf_no_error(); +} |
