strace/tests/net-accept-connect.c
Dmitry V. Levin c6782f144a tests: change the license to GPL-2.0-or-later
strace test suite is now provided under the terms of the GNU General
Public License version 2 or later, see tests/COPYING for more details.
2018-12-10 00:00:00 +00:00

89 lines
1.9 KiB
C

/*
* Copyright (c) 2013-2016 Dmitry V. Levin <ldv@altlinux.org>
* Copyright (c) 2013-2018 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include <assert.h>
#include <stddef.h>
#include <string.h>
#include <signal.h>
#include <unistd.h>
#include <sys/wait.h>
#include <sys/socket.h>
#include <sys/un.h>
static void
handler(int sig)
{
assert(close(1) == 0);
_exit(0);
}
int
main(int ac, const char **av)
{
struct sockaddr_un addr = {
.sun_family = AF_UNIX,
};
assert(ac == 2);
socklen_t len = strlen(av[1]);
assert(len > 0 && len <= sizeof(addr.sun_path));
if (++len > sizeof(addr.sun_path))
len = sizeof(addr.sun_path);
memcpy(addr.sun_path, av[1], len);
len += offsetof(struct sockaddr_un, sun_path);
unlink(av[1]);
close(0);
close(1);
if (socket(AF_UNIX, SOCK_STREAM, 0))
perror_msg_and_skip("socket");
if (bind(0, (struct sockaddr *) &addr, len))
perror_msg_and_skip("bind");
if (listen(0, 5))
perror_msg_and_skip("listen");
memset(&addr, 0, sizeof(addr));
assert(getsockname(0, (struct sockaddr *) &addr, &len) == 0);
if (len > sizeof(addr))
len = sizeof(addr);
pid_t pid = fork();
if (pid < 0)
perror_msg_and_fail("fork");
if (pid) {
assert(accept(0, (struct sockaddr *) &addr, &len) == 1);
assert(close(0) == 0);
assert(kill(pid, SIGUSR1) == 0);
int status;
assert(waitpid(pid, &status, 0) == pid);
assert(status == 0);
assert(close(1) == 0);
} else {
sigset_t set;
sigemptyset(&set);
sigaddset(&set, SIGUSR1);
assert(sigprocmask(SIG_BLOCK, &set, NULL) == 0);
assert(signal(SIGUSR1, handler) != SIG_ERR);
assert(socket(AF_UNIX, SOCK_STREAM, 0) == 1);
assert(close(0) == 0);
assert(connect(1, (struct sockaddr *) &addr, len) == 0);
assert(sigprocmask(SIG_UNBLOCK, &set, NULL) == 0);
assert(pause() == 99);
return 1;
}
unlink(av[1]);
return 0;
}