109 lines
3.2 KiB
C
109 lines
3.2 KiB
C
/*
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* Copyright (c) 2013-2016 Dmitry V. Levin <ldv@altlinux.org>
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* Copyright (c) 2013-2018 The strace developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "tests.h"
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#include <assert.h>
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#include <stddef.h>
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#include <string.h>
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#include <signal.h>
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#include <unistd.h>
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#include <sys/wait.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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static void
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handler(int sig)
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{
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assert(close(1) == 0);
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_exit(0);
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}
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int
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main(int ac, const char **av)
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{
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struct sockaddr_un addr = {
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.sun_family = AF_UNIX,
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};
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assert(ac == 2);
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socklen_t len = strlen(av[1]);
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assert(len > 0 && len <= sizeof(addr.sun_path));
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if (++len > sizeof(addr.sun_path))
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len = sizeof(addr.sun_path);
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memcpy(addr.sun_path, av[1], len);
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len += offsetof(struct sockaddr_un, sun_path);
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unlink(av[1]);
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close(0);
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close(1);
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if (socket(AF_UNIX, SOCK_STREAM, 0))
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perror_msg_and_skip("socket");
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if (bind(0, (struct sockaddr *) &addr, len))
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perror_msg_and_skip("bind");
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if (listen(0, 5))
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perror_msg_and_skip("listen");
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memset(&addr, 0, sizeof(addr));
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assert(getsockname(0, (struct sockaddr *) &addr, &len) == 0);
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if (len > sizeof(addr))
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len = sizeof(addr);
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pid_t pid = fork();
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if (pid < 0)
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perror_msg_and_fail("fork");
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if (pid) {
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assert(accept(0, (struct sockaddr *) &addr, &len) == 1);
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assert(close(0) == 0);
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assert(kill(pid, SIGUSR1) == 0);
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int status;
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assert(waitpid(pid, &status, 0) == pid);
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assert(status == 0);
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assert(close(1) == 0);
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} else {
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sigset_t set;
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sigemptyset(&set);
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sigaddset(&set, SIGUSR1);
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assert(sigprocmask(SIG_BLOCK, &set, NULL) == 0);
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assert(signal(SIGUSR1, handler) != SIG_ERR);
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assert(socket(AF_UNIX, SOCK_STREAM, 0) == 1);
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assert(close(0) == 0);
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assert(connect(1, (struct sockaddr *) &addr, len) == 0);
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assert(sigprocmask(SIG_UNBLOCK, &set, NULL) == 0);
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assert(pause() == 99);
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return 1;
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}
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unlink(av[1]);
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return 0;
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}
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