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/*
* This file is part of net-y-unix strace test.
*
* Copyright (c) 2013-2017 Dmitry V. Levin <ldv@strace.io>
* Copyright (c) 2016-2021 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include <assert.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/socket.h>
#include <sys/un.h>
#include "accept_compat.h"
#define TEST_SOCKET "net-y-unix.socket"
int
main(void)
{
skip_if_unavailable("/proc/self/fd/");
static const struct sockaddr_un addr = {
.sun_family = AF_UNIX,
.sun_path = TEST_SOCKET
};
struct sockaddr * const listen_sa = tail_memdup(&addr, sizeof(addr));
TAIL_ALLOC_OBJECT_CONST_PTR(socklen_t, len);
*len = offsetof(struct sockaddr_un, sun_path) + strlen(TEST_SOCKET) + 1;
if (*len > sizeof(addr))
*len = sizeof(addr);
int listen_fd = socket(AF_UNIX, SOCK_STREAM, 0);
if (listen_fd < 0)
perror_msg_and_skip("socket");
unsigned long listen_inode = inode_of_sockfd(listen_fd);
printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<socket:[%lu]>\n",
listen_fd, listen_inode);
(void) unlink(TEST_SOCKET);
if (bind(listen_fd, listen_sa, *len))
perror_msg_and_skip("bind");
printf("bind(%d<socket:[%lu]>, {sa_family=AF_UNIX, sun_path=\"%s\"}"
", %u) = 0\n",
listen_fd, listen_inode, TEST_SOCKET, (unsigned) *len);
if (listen(listen_fd, 1))
perror_msg_and_skip("listen");
printf("listen(%d<socket:[%lu]>, 1) = 0\n", listen_fd, listen_inode);
TAIL_ALLOC_OBJECT_CONST_PTR(unsigned int, optval);
*len = sizeof(*optval);
if (getsockopt(listen_fd, SOL_SOCKET, SO_PASSCRED, optval, len))
perror_msg_and_fail("getsockopt");
printf("getsockopt(%d<socket:[%lu]>, SOL_SOCKET, SO_PASSCRED"
", [%u], [%u]) = 0\n",
listen_fd, listen_inode, *optval, (unsigned) *len);
memset(listen_sa, 0, sizeof(addr));
*len = sizeof(addr);
if (getsockname(listen_fd, listen_sa, len))
perror_msg_and_fail("getsockname");
printf("getsockname(%d<socket:[%lu]>, {sa_family=AF_UNIX"
", sun_path=\"%s\"}, [%d => %d]) = 0\n", listen_fd, listen_inode,
TEST_SOCKET, (int) sizeof(addr), (int) *len);
int connect_fd = socket(AF_UNIX, SOCK_STREAM, 0);
if (connect_fd < 0)
perror_msg_and_fail("socket");
unsigned long connect_inode = inode_of_sockfd(connect_fd);
printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<socket:[%lu]>\n",
connect_fd, connect_inode);
if (connect(connect_fd, listen_sa, *len))
perror_msg_and_fail("connect");
printf("connect(%d<socket:[%lu]>, {sa_family=AF_UNIX"
", sun_path=\"%s\"}, %u) = 0\n",
connect_fd, connect_inode, TEST_SOCKET, (unsigned) *len);
struct sockaddr * const accept_sa = tail_alloc(sizeof(addr));
memset(accept_sa, 0, sizeof(addr));
*len = sizeof(addr);
int accept_fd = do_accept(listen_fd, accept_sa, len);
if (accept_fd < 0)
perror_msg_and_fail("accept");
unsigned long accept_inode = inode_of_sockfd(accept_fd);
printf("accept(%d<socket:[%lu]>, {sa_family=AF_UNIX}"
", [%d => %d]) = %d<socket:[%lu]>\n",
listen_fd, listen_inode,
(int) sizeof(addr), (int) *len,
accept_fd, accept_inode);
memset(listen_sa, 0, sizeof(addr));
*len = sizeof(addr);
if (getpeername(connect_fd, listen_sa, len))
perror_msg_and_fail("getpeername");
printf("getpeername(%d<socket:[%lu]>, {sa_family=AF_UNIX"
", sun_path=\"%s\"}, [%d => %d]) = 0\n",
connect_fd, connect_inode,
TEST_SOCKET, (int) sizeof(addr), (int) *len);
char text[] = "text";
assert(sendto(connect_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, 0)
== sizeof(text) - 1);
printf("sendto(%d<socket:[%lu]>, \"%s\", %u, MSG_DONTWAIT"
", NULL, 0) = %u\n",
connect_fd, connect_inode, text,
(unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);
assert(close(connect_fd) == 0);
printf("close(%d<socket:[%lu]>) = 0\n", connect_fd, connect_inode);
assert(recvfrom(accept_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, NULL)
== sizeof(text) - 1);
printf("recvfrom(%d<socket:[%lu]>, \"%s\", %u, MSG_DONTWAIT"
", NULL, NULL) = %u\n",
accept_fd, accept_inode, text,
(unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);
assert(close(accept_fd) == 0);
printf("close(%d<socket:[%lu]>) = 0\n", accept_fd, accept_inode);
connect_fd = socket(AF_UNIX, SOCK_STREAM, 0);
if (connect_fd < 0)
perror_msg_and_fail("socket");
connect_inode = inode_of_sockfd(connect_fd);
printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<socket:[%lu]>\n",
connect_fd, connect_inode);
*optval = 1;
*len = sizeof(*optval);
if (setsockopt(connect_fd, SOL_SOCKET, SO_PASSCRED, optval, *len))
perror_msg_and_fail("setsockopt");
printf("setsockopt(%d<socket:[%lu]>, SOL_SOCKET, SO_PASSCRED"
", [%u], %u) = 0\n",
connect_fd, connect_inode, *optval, (unsigned) *len);
memset(listen_sa, 0, sizeof(addr));
*len = sizeof(addr);
if (getsockname(listen_fd, listen_sa, len))
perror_msg_and_fail("getsockname");
printf("getsockname(%d<socket:[%lu]>, {sa_family=AF_UNIX"
", sun_path=\"%s\"}, [%d => %d]) = 0\n",
listen_fd, listen_inode, TEST_SOCKET,
(int) sizeof(addr), (int) *len);
if (connect(connect_fd, listen_sa, *len))
perror_msg_and_fail("connect");
printf("connect(%d<socket:[%lu]>, {sa_family=AF_UNIX"
", sun_path=\"%s\"}, %u) = 0\n",
connect_fd, connect_inode, TEST_SOCKET, (unsigned) *len);
memset(accept_sa, 0, sizeof(addr));
*len = sizeof(addr);
accept_fd = do_accept(listen_fd, accept_sa, len);
if (accept_fd < 0)
perror_msg_and_fail("accept");
accept_inode = inode_of_sockfd(accept_fd);
const char * const sun_path1 =
((struct sockaddr_un *) accept_sa)->sun_path + 1;
printf("accept(%d<socket:[%lu]>, {sa_family=AF_UNIX"
", sun_path=@\"%s\"}, [%d => %d]) = %d<socket:[%lu]>\n",
listen_fd, listen_inode, sun_path1,
(int) sizeof(addr), (int) *len,
accept_fd, accept_inode);
memset(listen_sa, 0, sizeof(addr));
*len = sizeof(addr);
if (getpeername(connect_fd, listen_sa, len))
perror_msg_and_fail("getpeername");
printf("getpeername(%d<socket:[%lu]>, {sa_family=AF_UNIX"
", sun_path=\"%s\"}, [%d => %d]) = 0\n",
connect_fd, connect_inode, TEST_SOCKET,
(int) sizeof(addr), (int) *len);
memset(accept_sa, 0, sizeof(addr));
*len = sizeof(addr);
if (getsockname(connect_fd, accept_sa, len))
perror_msg_and_fail("getsockname");
printf("getsockname(%d<socket:[%lu]>, {sa_family=AF_UNIX"
", sun_path=@\"%s\"}, [%d => %d]) = 0\n",
connect_fd, connect_inode, sun_path1,
(int) sizeof(addr), (int) *len);
assert(sendto(connect_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, 0)
== sizeof(text) - 1);
printf("sendto(%d<socket:[%lu]>, \"%s\", %u, MSG_DONTWAIT"
", NULL, 0) = %u\n",
connect_fd, connect_inode, text,
(unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);
assert(close(connect_fd) == 0);
printf("close(%d<socket:[%lu]>) = 0\n", connect_fd, connect_inode);
assert(recvfrom(accept_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, NULL)
== sizeof(text) - 1);
printf("recvfrom(%d<socket:[%lu]>, \"%s\", %u, MSG_DONTWAIT"
", NULL, NULL) = %u\n",
accept_fd, accept_inode, text,
(unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);
assert(close(accept_fd) == 0);
printf("close(%d<socket:[%lu]>) = 0\n", accept_fd, accept_inode);
assert(unlink(TEST_SOCKET) == 0);
assert(close(listen_fd) == 0);
printf("close(%d<socket:[%lu]>) = 0\n",
listen_fd, listen_inode);
puts("+++ exited with 0 +++");
return 0;
}
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