diff options
author | sjg <sjg@FreeBSD.org> | 2013-04-12 20:48:55 +0000 |
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committer | sjg <sjg@FreeBSD.org> | 2013-04-12 20:48:55 +0000 |
commit | 97d8b9495668afa398ab17c8c5f7e223b5fd2e89 (patch) | |
tree | 54038c9ac32a45f8741dcc23fb9a8ffc0e15ff89 /tools/regression/capsicum/syscalls/cap_fcntls_limit.c | |
parent | 5ee3bfdb338e7c80af29a67f4425c4be24c7b866 (diff) | |
parent | 086d73aef6d0ab7d21daa2076fdc8d25961f9b05 (diff) | |
download | FreeBSD-src-97d8b9495668afa398ab17c8c5f7e223b5fd2e89.zip FreeBSD-src-97d8b9495668afa398ab17c8c5f7e223b5fd2e89.tar.gz |
sync from head
Diffstat (limited to 'tools/regression/capsicum/syscalls/cap_fcntls_limit.c')
-rw-r--r-- | tools/regression/capsicum/syscalls/cap_fcntls_limit.c | 540 |
1 files changed, 540 insertions, 0 deletions
diff --git a/tools/regression/capsicum/syscalls/cap_fcntls_limit.c b/tools/regression/capsicum/syscalls/cap_fcntls_limit.c new file mode 100644 index 0000000..c97203d --- /dev/null +++ b/tools/regression/capsicum/syscalls/cap_fcntls_limit.c @@ -0,0 +1,540 @@ +/*- + * Copyright (c) 2012 The FreeBSD Foundation + * All rights reserved. + * + * This software was developed by Pawel Jakub Dawidek under sponsorship from + * the FreeBSD Foundation. + * + * 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 AUTHORS 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 AUTHORS 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/types.h> +#include <sys/capability.h> +#include <sys/procdesc.h> +#include <sys/socket.h> +#include <sys/wait.h> + +#include <err.h> +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +#include "misc.h" + +static void +fcntl_tests_0(int fd) +{ + uint32_t fcntlrights; + + fcntlrights = 0; + CHECK(cap_fcntls_get(fd, &fcntlrights) == 0); + CHECK(fcntlrights == CAP_FCNTL_ALL); + + CHECK(fcntl(fd, F_GETFD) == 0); + CHECK(fcntl(fd, F_SETFD, FD_CLOEXEC) == 0); + CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC); + CHECK(fcntl(fd, F_SETFD, 0) == 0); + CHECK(fcntl(fd, F_GETFD) == 0); + + CHECK(fcntl(fd, F_GETFL) == O_RDWR); + CHECK(fcntl(fd, F_SETFL, O_NONBLOCK) == 0); + CHECK(fcntl(fd, F_GETFL) == (O_RDWR | O_NONBLOCK)); + CHECK(fcntl(fd, F_SETFL, 0) == 0); + CHECK(fcntl(fd, F_GETFL) == O_RDWR); + + errno = 0; + CHECK(cap_fcntls_limit(fd, ~CAP_FCNTL_ALL) == -1); + CHECK(errno == EINVAL); + CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL | CAP_FCNTL_SETFL) == 0); + fcntlrights = 0; + CHECK(cap_fcntls_get(fd, &fcntlrights) == 0); + CHECK(fcntlrights == (CAP_FCNTL_GETFL | CAP_FCNTL_SETFL)); + CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL | CAP_FCNTL_SETFL) == 0); + fcntlrights = 0; + CHECK(cap_fcntls_get(fd, &fcntlrights) == 0); + CHECK(fcntlrights == (CAP_FCNTL_GETFL | CAP_FCNTL_SETFL)); + + CHECK(fcntl(fd, F_GETFD) == 0); + CHECK(fcntl(fd, F_SETFD, FD_CLOEXEC) == 0); + CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC); + CHECK(fcntl(fd, F_SETFD, 0) == 0); + CHECK(fcntl(fd, F_GETFD) == 0); + + CHECK(fcntl(fd, F_GETFL) == O_RDWR); + CHECK(fcntl(fd, F_SETFL, O_NONBLOCK) == 0); + CHECK(fcntl(fd, F_GETFL) == (O_RDWR | O_NONBLOCK)); + CHECK(fcntl(fd, F_SETFL, 0) == 0); + CHECK(fcntl(fd, F_GETFL) == O_RDWR); + + CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL) == 0); + fcntlrights = 0; + CHECK(cap_fcntls_get(fd, &fcntlrights) == 0); + CHECK(fcntlrights == CAP_FCNTL_GETFL); + errno = 0; + CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL | CAP_FCNTL_SETFL) == -1); + CHECK(errno == ENOTCAPABLE); + fcntlrights = 0; + CHECK(cap_fcntls_get(fd, &fcntlrights) == 0); + CHECK(fcntlrights == CAP_FCNTL_GETFL); + + CHECK(fcntl(fd, F_GETFD) == 0); + CHECK(fcntl(fd, F_SETFD, FD_CLOEXEC) == 0); + CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC); + CHECK(fcntl(fd, F_SETFD, 0) == 0); + CHECK(fcntl(fd, F_GETFD) == 0); + + CHECK(fcntl(fd, F_GETFL) == O_RDWR); + errno = 0; + CHECK(fcntl(fd, F_SETFL, O_NONBLOCK) == -1); + CHECK(errno == ENOTCAPABLE); + CHECK(fcntl(fd, F_GETFL) == O_RDWR); + errno = 0; + CHECK(fcntl(fd, F_SETFL, 0) == -1); + CHECK(errno == ENOTCAPABLE); + CHECK(fcntl(fd, F_GETFL) == O_RDWR); + + CHECK(cap_fcntls_limit(fd, 0) == 0); + fcntlrights = CAP_FCNTL_ALL; + CHECK(cap_fcntls_get(fd, &fcntlrights) == 0); + CHECK(fcntlrights == 0); + errno = 0; + CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL | CAP_FCNTL_SETFL) == -1); + CHECK(errno == ENOTCAPABLE); + fcntlrights = CAP_FCNTL_ALL; + CHECK(cap_fcntls_get(fd, &fcntlrights) == 0); + CHECK(fcntlrights == 0); + errno = 0; + CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL) == -1); + CHECK(errno == ENOTCAPABLE); + fcntlrights = CAP_FCNTL_ALL; + CHECK(cap_fcntls_get(fd, &fcntlrights) == 0); + CHECK(fcntlrights == 0); + + CHECK(fcntl(fd, F_GETFD) == 0); + CHECK(fcntl(fd, F_SETFD, FD_CLOEXEC) == 0); + CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC); + CHECK(fcntl(fd, F_SETFD, 0) == 0); + CHECK(fcntl(fd, F_GETFD) == 0); + + errno = 0; + CHECK(fcntl(fd, F_GETFL) == -1); + CHECK(errno == ENOTCAPABLE); + errno = 0; + CHECK(fcntl(fd, F_SETFL, O_NONBLOCK) == -1); + CHECK(errno == ENOTCAPABLE); + errno = 0; + CHECK(fcntl(fd, F_SETFL, 0) == -1); + CHECK(errno == ENOTCAPABLE); + errno = 0; + CHECK(fcntl(fd, F_GETFL) == -1); + CHECK(errno == ENOTCAPABLE); +} + +static void +fcntl_tests_1(int fd) +{ + uint32_t fcntlrights; + + CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL) == 0); + fcntlrights = 0; + CHECK(cap_fcntls_get(fd, &fcntlrights) == 0); + CHECK(fcntlrights == CAP_FCNTL_GETFL); + + CHECK(cap_rights_limit(fd, CAP_ALL & ~CAP_FCNTL) == 0); + + fcntlrights = CAP_FCNTL_ALL; + CHECK(cap_fcntls_get(fd, &fcntlrights) == 0); + CHECK(fcntlrights == 0); + + errno = 0; + CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL | CAP_FCNTL_SETFL) == -1); + CHECK(errno == ENOTCAPABLE); + fcntlrights = CAP_FCNTL_ALL; + CHECK(cap_fcntls_get(fd, &fcntlrights) == 0); + CHECK(fcntlrights == 0); + errno = 0; + CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL) == -1); + CHECK(errno == ENOTCAPABLE); + fcntlrights = CAP_FCNTL_ALL; + CHECK(cap_fcntls_get(fd, &fcntlrights) == 0); + CHECK(fcntlrights == 0); + + CHECK(fcntl(fd, F_GETFD) == 0); + CHECK(fcntl(fd, F_SETFD, FD_CLOEXEC) == 0); + CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC); + CHECK(fcntl(fd, F_SETFD, 0) == 0); + CHECK(fcntl(fd, F_GETFD) == 0); + + errno = 0; + CHECK(fcntl(fd, F_GETFL) == -1); + CHECK(errno == ENOTCAPABLE); + errno = 0; + CHECK(fcntl(fd, F_SETFL, O_NONBLOCK) == -1); + CHECK(errno == ENOTCAPABLE); + errno = 0; + CHECK(fcntl(fd, F_SETFL, 0) == -1); + CHECK(errno == ENOTCAPABLE); + errno = 0; + CHECK(fcntl(fd, F_GETFL) == -1); + CHECK(errno == ENOTCAPABLE); +} + +static void +fcntl_tests_2(int fd) +{ + uint32_t fcntlrights; + + CHECK(cap_rights_limit(fd, CAP_ALL & ~CAP_FCNTL) == 0); + + fcntlrights = CAP_FCNTL_ALL; + CHECK(cap_fcntls_get(fd, &fcntlrights) == 0); + CHECK(fcntlrights == 0); + + errno = 0; + CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL | CAP_FCNTL_SETFL) == -1); + CHECK(errno == ENOTCAPABLE); + fcntlrights = CAP_FCNTL_ALL; + CHECK(cap_fcntls_get(fd, &fcntlrights) == 0); + CHECK(fcntlrights == 0); + errno = 0; + CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL) == -1); + CHECK(errno == ENOTCAPABLE); + fcntlrights = CAP_FCNTL_ALL; + CHECK(cap_fcntls_get(fd, &fcntlrights) == 0); + CHECK(fcntlrights == 0); + + CHECK(fcntl(fd, F_GETFD) == 0); + CHECK(fcntl(fd, F_SETFD, FD_CLOEXEC) == 0); + CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC); + CHECK(fcntl(fd, F_SETFD, 0) == 0); + CHECK(fcntl(fd, F_GETFD) == 0); + + errno = 0; + CHECK(fcntl(fd, F_GETFL) == -1); + CHECK(errno == ENOTCAPABLE); + errno = 0; + CHECK(fcntl(fd, F_SETFL, O_NONBLOCK) == -1); + CHECK(errno == ENOTCAPABLE); + errno = 0; + CHECK(fcntl(fd, F_SETFL, 0) == -1); + CHECK(errno == ENOTCAPABLE); + errno = 0; + CHECK(fcntl(fd, F_GETFL) == -1); + CHECK(errno == ENOTCAPABLE); +} + +static void +fcntl_tests_send_0(int sock) +{ + int fd; + + CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0); + CHECK(descriptor_send(sock, fd) == 0); + CHECK(close(fd) == 0); + + CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0); + CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL | CAP_FCNTL_SETFL) == 0); + CHECK(descriptor_send(sock, fd) == 0); + CHECK(close(fd) == 0); + + CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0); + CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL) == 0); + CHECK(descriptor_send(sock, fd) == 0); + CHECK(close(fd) == 0); + + CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0); + CHECK(cap_fcntls_limit(fd, 0) == 0); + CHECK(descriptor_send(sock, fd) == 0); + CHECK(close(fd) == 0); +} + +static void +fcntl_tests_recv_0(int sock) +{ + uint32_t fcntlrights; + int fd; + + CHECK(descriptor_recv(sock, &fd) == 0); + + fcntlrights = 0; + CHECK(cap_fcntls_get(fd, &fcntlrights) == 0); + CHECK(fcntlrights == CAP_FCNTL_ALL); + + CHECK(fcntl(fd, F_GETFD) == 0); + CHECK(fcntl(fd, F_SETFD, FD_CLOEXEC) == 0); + CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC); + CHECK(fcntl(fd, F_SETFD, 0) == 0); + CHECK(fcntl(fd, F_GETFD) == 0); + + CHECK(fcntl(fd, F_GETFL) == O_RDWR); + CHECK(fcntl(fd, F_SETFL, O_NONBLOCK) == 0); + CHECK(fcntl(fd, F_GETFL) == (O_RDWR | O_NONBLOCK)); + CHECK(fcntl(fd, F_SETFL, 0) == 0); + CHECK(fcntl(fd, F_GETFL) == O_RDWR); + + CHECK(close(fd) == 0); + + CHECK(descriptor_recv(sock, &fd) == 0); + + fcntlrights = 0; + CHECK(cap_fcntls_get(fd, &fcntlrights) == 0); + CHECK(fcntlrights == (CAP_FCNTL_GETFL | CAP_FCNTL_SETFL)); + CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL | CAP_FCNTL_SETFL) == 0); + fcntlrights = 0; + CHECK(cap_fcntls_get(fd, &fcntlrights) == 0); + CHECK(fcntlrights == (CAP_FCNTL_GETFL | CAP_FCNTL_SETFL)); + + CHECK(fcntl(fd, F_GETFD) == 0); + CHECK(fcntl(fd, F_SETFD, FD_CLOEXEC) == 0); + CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC); + CHECK(fcntl(fd, F_SETFD, 0) == 0); + CHECK(fcntl(fd, F_GETFD) == 0); + + CHECK(fcntl(fd, F_GETFL) == O_RDWR); + CHECK(fcntl(fd, F_SETFL, O_NONBLOCK) == 0); + CHECK(fcntl(fd, F_GETFL) == (O_RDWR | O_NONBLOCK)); + CHECK(fcntl(fd, F_SETFL, 0) == 0); + CHECK(fcntl(fd, F_GETFL) == O_RDWR); + + CHECK(close(fd) == 0); + + CHECK(descriptor_recv(sock, &fd) == 0); + + fcntlrights = 0; + CHECK(cap_fcntls_get(fd, &fcntlrights) == 0); + CHECK(fcntlrights == CAP_FCNTL_GETFL); + errno = 0; + CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL | CAP_FCNTL_SETFL) == -1); + CHECK(errno == ENOTCAPABLE); + fcntlrights = 0; + CHECK(cap_fcntls_get(fd, &fcntlrights) == 0); + CHECK(fcntlrights == CAP_FCNTL_GETFL); + CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL) == 0); + fcntlrights = 0; + CHECK(cap_fcntls_get(fd, &fcntlrights) == 0); + CHECK(fcntlrights == CAP_FCNTL_GETFL); + + CHECK(fcntl(fd, F_GETFD) == 0); + CHECK(fcntl(fd, F_SETFD, FD_CLOEXEC) == 0); + CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC); + CHECK(fcntl(fd, F_SETFD, 0) == 0); + CHECK(fcntl(fd, F_GETFD) == 0); + + CHECK(fcntl(fd, F_GETFL) == O_RDWR); + errno = 0; + CHECK(fcntl(fd, F_SETFL, O_NONBLOCK) == -1); + CHECK(errno == ENOTCAPABLE); + CHECK(fcntl(fd, F_GETFL) == O_RDWR); + errno = 0; + CHECK(fcntl(fd, F_SETFL, 0) == -1); + CHECK(errno == ENOTCAPABLE); + CHECK(fcntl(fd, F_GETFL) == O_RDWR); + + CHECK(close(fd) == 0); + + CHECK(descriptor_recv(sock, &fd) == 0); + + fcntlrights = 0; + CHECK(cap_fcntls_get(fd, &fcntlrights) == 0); + CHECK(fcntlrights == 0); + errno = 0; + CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL | CAP_FCNTL_SETFL) == -1); + CHECK(errno == ENOTCAPABLE); + fcntlrights = 0; + CHECK(cap_fcntls_get(fd, &fcntlrights) == 0); + CHECK(fcntlrights == 0); + errno = 0; + CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL) == -1); + CHECK(errno == ENOTCAPABLE); + fcntlrights = 0; + CHECK(cap_fcntls_get(fd, &fcntlrights) == 0); + CHECK(fcntlrights == 0); + errno = 0; + CHECK(cap_fcntls_limit(fd, CAP_FCNTL_SETFL) == -1); + CHECK(errno == ENOTCAPABLE); + fcntlrights = 0; + CHECK(cap_fcntls_get(fd, &fcntlrights) == 0); + CHECK(fcntlrights == 0); + + CHECK(fcntl(fd, F_GETFD) == 0); + CHECK(fcntl(fd, F_SETFD, FD_CLOEXEC) == 0); + CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC); + CHECK(fcntl(fd, F_SETFD, 0) == 0); + CHECK(fcntl(fd, F_GETFD) == 0); + + errno = 0; + CHECK(fcntl(fd, F_GETFL) == -1); + CHECK(errno == ENOTCAPABLE); + errno = 0; + CHECK(fcntl(fd, F_SETFL, O_NONBLOCK) == -1); + CHECK(errno == ENOTCAPABLE); + errno = 0; + CHECK(fcntl(fd, F_SETFL, 0) == -1); + CHECK(errno == ENOTCAPABLE); + errno = 0; + CHECK(fcntl(fd, F_GETFL) == -1); + CHECK(errno == ENOTCAPABLE); + + CHECK(close(fd) == 0); +} + +int +main(void) +{ + int fd, pfd, sp[2]; + pid_t pid; + + printf("1..870\n"); + + CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0); + fcntl_tests_0(fd); + CHECK(close(fd) == 0); + + CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0); + fcntl_tests_1(fd); + CHECK(close(fd) == 0); + + CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0); + fcntl_tests_2(fd); + CHECK(close(fd) == 0); + + /* Child inherits descriptor and operates on it first. */ + CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0); + CHECK((pid = fork()) >= 0); + if (pid == 0) { + fcntl_tests_0(fd); + CHECK(close(fd) == 0); + exit(0); + } else { + CHECK(waitpid(pid, NULL, 0) == pid); + fcntl_tests_0(fd); + } + CHECK(close(fd) == 0); + + /* Child inherits descriptor, but operates on it after parent. */ + CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0); + CHECK((pid = fork()) >= 0); + if (pid == 0) { + sleep(1); + fcntl_tests_0(fd); + CHECK(close(fd) == 0); + exit(0); + } else { + fcntl_tests_0(fd); + CHECK(waitpid(pid, NULL, 0) == pid); + } + CHECK(close(fd) == 0); + + /* Child inherits descriptor and operates on it first. */ + CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0); + CHECK((pid = pdfork(&pfd, 0)) >= 0); + if (pid == 0) { + fcntl_tests_1(fd); + exit(0); + } else { + CHECK(pdwait(pfd) == 0); +/* + It fails with EBADF, which I believe is a bug. + CHECK(close(pfd) == 0); +*/ + fcntl_tests_1(fd); + } + CHECK(close(fd) == 0); + + /* Child inherits descriptor, but operates on it after parent. */ + CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0); + CHECK((pid = pdfork(&pfd, 0)) >= 0); + if (pid == 0) { + sleep(1); + fcntl_tests_1(fd); + exit(0); + } else { + fcntl_tests_1(fd); + CHECK(pdwait(pfd) == 0); +/* + It fails with EBADF, which I believe is a bug. + CHECK(close(pfd) == 0); +*/ + } + CHECK(close(fd) == 0); + + /* Child inherits descriptor and operates on it first. */ + CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0); + CHECK((pid = fork()) >= 0); + if (pid == 0) { + fcntl_tests_2(fd); + exit(0); + } else { + CHECK(waitpid(pid, NULL, 0) == pid); + fcntl_tests_2(fd); + } + CHECK(close(fd) == 0); + + /* Child inherits descriptor, but operates on it after parent. */ + CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0); + CHECK((pid = fork()) >= 0); + if (pid == 0) { + sleep(1); + fcntl_tests_2(fd); + exit(0); + } else { + fcntl_tests_2(fd); + CHECK(waitpid(pid, NULL, 0) == pid); + } + CHECK(close(fd) == 0); + + /* Send descriptors from parent to child. */ + CHECK(socketpair(AF_UNIX, SOCK_STREAM, 0, sp) == 0); + CHECK((pid = fork()) >= 0); + if (pid == 0) { + CHECK(close(sp[0]) == 0); + fcntl_tests_recv_0(sp[1]); + CHECK(close(sp[1]) == 0); + exit(0); + } else { + CHECK(close(sp[1]) == 0); + fcntl_tests_send_0(sp[0]); + CHECK(waitpid(pid, NULL, 0) == pid); + CHECK(close(sp[0]) == 0); + } + + /* Send descriptors from child to parent. */ + CHECK(socketpair(AF_UNIX, SOCK_STREAM, 0, sp) == 0); + CHECK((pid = fork()) >= 0); + if (pid == 0) { + CHECK(close(sp[0]) == 0); + fcntl_tests_send_0(sp[1]); + CHECK(close(sp[1]) == 0); + exit(0); + } else { + CHECK(close(sp[1]) == 0); + fcntl_tests_recv_0(sp[0]); + CHECK(waitpid(pid, NULL, 0) == pid); + CHECK(close(sp[0]) == 0); + } + + exit(0); +} |