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/*
* Copyright (c) 2013-2016 Dmitry V. Levin <ldv@altlinux.org>
* Copyright (c) 2013-2018 The strace developers.
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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 "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;
}
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