/*
* This file is part of net-yy-inet strace test.
*
* Copyright (c) 2014-2016 Dmitry V. Levin <ldv@altlinux.org>
* Copyright (c) 2016-2018 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 <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <arpa/inet.h>
#include "accept_compat.h"
int
main(void)
{
skip_if_unavailable("/proc/self/fd/");
const struct sockaddr_in addr = {
.sin_family = AF_INET,
.sin_addr.s_addr = htonl(INADDR_LOOPBACK)
};
struct sockaddr * const listen_sa = tail_memdup(&addr, sizeof(addr));
TAIL_ALLOC_OBJECT_CONST_PTR(socklen_t, len);
*len = sizeof(addr);
const int listen_fd = socket(AF_INET, SOCK_STREAM, 0);
if (listen_fd < 0)
perror_msg_and_skip("socket");
const unsigned long listen_inode = inode_of_sockfd(listen_fd);
printf("socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = %d<TCP:[%lu]>\n",
listen_fd, listen_inode);
if (bind(listen_fd, listen_sa, *len))
perror_msg_and_skip("bind");
printf("bind(%d<TCP:[%lu]>, {sa_family=AF_INET, sin_port=htons(0)"
", sin_addr=inet_addr(\"127.0.0.1\")}, %u) = 0\n",
listen_fd, listen_inode, (unsigned) *len);
if (listen(listen_fd, 1))
perror_msg_and_skip("listen");
printf("listen(%d<TCP:[%lu]>, 1) = 0\n", listen_fd, listen_inode);
memset(listen_sa, 0, sizeof(addr));
*len = sizeof(addr);
if (getsockname(listen_fd, listen_sa, len))
perror_msg_and_fail("getsockname");
const unsigned int listen_port =
ntohs(((struct sockaddr_in *) listen_sa)->sin_port);
printf("getsockname(%d<TCP:[127.0.0.1:%u]>, {sa_family=AF_INET"
", sin_port=htons(%u), sin_addr=inet_addr(\"127.0.0.1\")}"
", [%u]) = 0\n",
listen_fd, listen_port, listen_port, (unsigned) *len);
TAIL_ALLOC_OBJECT_CONST_PTR(unsigned int, optval);
*len = sizeof(*optval);
if (getsockopt(listen_fd, SOL_TCP, TCP_MAXSEG, optval, len))
perror_msg_and_fail("getsockopt");
printf("getsockopt(%d<TCP:[127.0.0.1:%u]>, SOL_TCP, TCP_MAXSEG"
", [%u], [%u]) = 0\n",
listen_fd, listen_port, *optval, (unsigned) *len);
const int connect_fd = socket(AF_INET, SOCK_STREAM, 0);
if (connect_fd < 0)
perror_msg_and_fail("socket");
const unsigned long connect_inode = inode_of_sockfd(connect_fd);
printf("socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = %d<TCP:[%lu]>\n",
connect_fd, connect_inode);
*len = sizeof(addr);
if (connect(connect_fd, listen_sa, *len))
perror_msg_and_fail("connect");
printf("connect(%d<TCP:[%lu]>, {sa_family=AF_INET, sin_port=htons(%u)"
", sin_addr=inet_addr(\"127.0.0.1\")}, %u) = 0\n",
connect_fd, connect_inode, listen_port, (unsigned) *len);
struct sockaddr * const accept_sa = tail_alloc(sizeof(addr));
memset(accept_sa, 0, sizeof(addr));
*len = sizeof(addr);
const int accept_fd = do_accept(listen_fd, accept_sa, len);
if (accept_fd < 0)
perror_msg_and_fail("accept");
const unsigned int connect_port =
ntohs(((struct sockaddr_in *) accept_sa)->sin_port);
printf("accept(%d<TCP:[127.0.0.1:%u]>, {sa_family=AF_INET"
", sin_port=htons(%u), sin_addr=inet_addr(\"127.0.0.1\")}"
", [%u]) = %d<TCP:[127.0.0.1:%u->127.0.0.1:%u]>\n",
listen_fd, listen_port, connect_port, (unsigned) *len,
accept_fd, listen_port, connect_port);
memset(accept_sa, 0, sizeof(addr));
*len = sizeof(addr);
if (getpeername(accept_fd, accept_sa, len))
perror_msg_and_fail("getpeername");
printf("getpeername(%d<TCP:[127.0.0.1:%u->127.0.0.1:%u]>"
", {sa_family=AF_INET, sin_port=htons(%u)"
", sin_addr=inet_addr(\"127.0.0.1\")}, [%u]) = 0\n",
accept_fd, listen_port, connect_port, connect_port,
(unsigned) *len);
memset(listen_sa, 0, sizeof(addr));
*len = sizeof(addr);
if (getpeername(connect_fd, listen_sa, len))
perror_msg_and_fail("getpeername");
printf("getpeername(%d<TCP:[127.0.0.1:%u->127.0.0.1:%u]>"
", {sa_family=AF_INET, sin_port=htons(%u)"
", sin_addr=inet_addr(\"127.0.0.1\")}, [%u]) = 0\n",
connect_fd, connect_port, listen_port, listen_port,
(unsigned) *len);
*len = sizeof(*optval);
if (setsockopt(connect_fd, SOL_TCP, TCP_MAXSEG, optval, *len))
perror_msg_and_fail("setsockopt");
printf("setsockopt(%d<TCP:[127.0.0.1:%u->127.0.0.1:%u]>"
", SOL_TCP, TCP_MAXSEG, [%u], %u) = 0\n",
connect_fd, connect_port, listen_port, *optval,
(unsigned) *len);
char text[] = "text";
assert(sendto(connect_fd, text, sizeof(text) - 1,
MSG_DONTROUTE | MSG_DONTWAIT, NULL, 0) == sizeof(text) - 1);
printf("sendto(%d<TCP:[127.0.0.1:%u->127.0.0.1:%u]>, \"%s\", %u"
", MSG_DONTROUTE|MSG_DONTWAIT, NULL, 0) = %u\n",
connect_fd, connect_port, listen_port, text,
(unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);
assert(close(connect_fd) == 0);
printf("close(%d<TCP:[127.0.0.1:%u->127.0.0.1:%u]>) = 0\n",
connect_fd, connect_port, listen_port);
assert(recvfrom(accept_fd, text, sizeof(text) - 1, MSG_WAITALL,
NULL, NULL) == sizeof(text) - 1);
printf("recvfrom(%d<TCP:[127.0.0.1:%u->127.0.0.1:%u]>, \"%s\", %u"
", MSG_WAITALL, NULL, NULL) = %u\n",
accept_fd, listen_port, connect_port, text,
(unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);
assert(close(accept_fd) == 0);
printf("close(%d<TCP:[127.0.0.1:%u->127.0.0.1:%u]>) = 0\n",
accept_fd, listen_port, connect_port);
assert(close(listen_fd) == 0);
printf("close(%d<TCP:[127.0.0.1:%u]>) = 0\n",
listen_fd, listen_port);
puts("+++ exited with 0 +++");
return 0;
}