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/*
* This file is part of net-yy-unix strace test.
*
* Copyright (c) 2013-2017 Dmitry V. Levin <ldv@strace.io>
* Copyright (c) 2016-2023 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include <assert.h>
#include <fcntl.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/socket.h>
#include <sys/un.h>
#ifdef HAVE_SYS_XATTR_H
# include <sys/xattr.h>
# include "xmalloc.h"
#endif
#define TEST_SOCKET "net-yy-unix.socket"
int
main(void)
{
skip_if_unavailable("/proc/self/fd/");
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");
char sock_proto_name[256];
#ifdef HAVE_SYS_XATTR_H
char *path = xasprintf("/proc/self/fd/%u", listen_fd);
size_t sock_proto_name_len =
getxattr(path, "system.sockprotoname", sock_proto_name,
sizeof(sock_proto_name) - 1);
free(path);
if (sock_proto_name_len &&
sock_proto_name_len < sizeof(sock_proto_name))
sock_proto_name[sock_proto_name_len] = '\0';
else
#endif
strcpy(sock_proto_name, "UNIX");
unsigned long listen_inode = inode_of_sockfd(listen_fd);
printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<%s:[%lu]>\n",
listen_fd, sock_proto_name, listen_inode);
(void) unlink(TEST_SOCKET);
if (bind(listen_fd, listen_sa, *len))
perror_msg_and_skip("bind");
printf("bind(%d<%s:[%lu]>, {sa_family=AF_UNIX, sun_path=\"%s\"}"
", %u) = 0\n",
listen_fd, sock_proto_name, listen_inode, TEST_SOCKET,
(unsigned) *len);
if (listen(listen_fd, 1))
perror_msg_and_skip("listen");
printf("listen(%d<%s:[%lu,\"%s\"]>, 1) = 0\n",
listen_fd, sock_proto_name, listen_inode, TEST_SOCKET);
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<%s:[%lu,\"%s\"]>, SOL_SOCKET, SO_PASSCRED"
", [%u], [%u]) = 0\n",
listen_fd, sock_proto_name, listen_inode, TEST_SOCKET,
*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<%s:[%lu,\"%s\"]>, {sa_family=AF_UNIX"
", sun_path=\"%s\"}, [%d => %d]) = 0\n",
listen_fd, sock_proto_name, listen_inode,
TEST_SOCKET, 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<%s:[%lu]>\n",
connect_fd, sock_proto_name, connect_inode);
if (connect(connect_fd, listen_sa, *len))
perror_msg_and_fail("connect");
printf("connect(%d<%s:[%lu]>, {sa_family=AF_UNIX"
", sun_path=\"%s\"}, %u) = 0\n",
connect_fd, sock_proto_name, 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 = accept4(listen_fd, accept_sa, len, O_CLOEXEC);
if (accept_fd < 0)
perror_msg_and_fail("accept");
unsigned long accept_inode = inode_of_sockfd(accept_fd);
printf("accept4(%d<%s:[%lu,\"%s\"]>, {sa_family=AF_UNIX}"
", [%d => %d], SOCK_CLOEXEC) = %d<%s:[%lu->%lu,\"%s\"]>\n",
listen_fd, sock_proto_name, listen_inode, TEST_SOCKET,
(int) sizeof(addr), (int) *len,
accept_fd, sock_proto_name, accept_inode, connect_inode,
TEST_SOCKET);
memset(listen_sa, 0, sizeof(addr));
*len = sizeof(addr);
if (getpeername(connect_fd, listen_sa, len))
perror_msg_and_fail("getpeername");
printf("getpeername(%d<%s:[%lu->%lu]>, {sa_family=AF_UNIX"
", sun_path=\"%s\"}, [%d => %d]) = 0\n",
connect_fd, sock_proto_name, connect_inode,
accept_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<%s:[%lu->%lu]>, \"%s\", %u, MSG_DONTWAIT"
", NULL, 0) = %u\n",
connect_fd, sock_proto_name, connect_inode, accept_inode, text,
(unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);
assert(recvfrom(accept_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, NULL)
== sizeof(text) - 1);
printf("recvfrom(%d<%s:[%lu->%lu,\"%s\"]>, \"%s\", %u, MSG_DONTWAIT"
", NULL, NULL) = %u\n",
accept_fd, sock_proto_name, accept_inode, connect_inode,
TEST_SOCKET, text,
(unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);
assert(close(connect_fd) == 0);
printf("close(%d<%s:[%lu->%lu]>) = 0\n",
connect_fd, sock_proto_name, connect_inode, accept_inode);
assert(close(accept_fd) == 0);
printf("close(%d<%s:[%lu->%lu,\"%s\"]>) = 0\n",
accept_fd, sock_proto_name, accept_inode, connect_inode,
TEST_SOCKET);
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<%s:[%lu]>\n",
connect_fd, sock_proto_name, 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<%s:[%lu]>, SOL_SOCKET, SO_PASSCRED"
", [%u], %u) = 0\n",
connect_fd, sock_proto_name, 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<%s:[%lu,\"%s\"]>, {sa_family=AF_UNIX"
", sun_path=\"%s\"}, [%d => %d]) = 0\n",
listen_fd, sock_proto_name, listen_inode,
TEST_SOCKET, TEST_SOCKET, (int) sizeof(addr), (int) *len);
if (connect(connect_fd, listen_sa, *len))
perror_msg_and_fail("connect");
printf("connect(%d<%s:[%lu]>, {sa_family=AF_UNIX"
", sun_path=\"%s\"}, %u) = 0\n",
connect_fd, sock_proto_name, connect_inode, TEST_SOCKET,
(unsigned) *len);
memset(accept_sa, 0, sizeof(addr));
*len = sizeof(addr);
accept_fd = accept4(listen_fd, accept_sa, len, O_CLOEXEC);
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("accept4(%d<%s:[%lu,\"%s\"]>, {sa_family=AF_UNIX"
", sun_path=@\"%s\"}, [%d => %d], SOCK_CLOEXEC)"
" = %d<%s:[%lu->%lu,\"%s\"]>\n",
listen_fd, sock_proto_name, listen_inode, TEST_SOCKET,
sun_path1, (int) sizeof(addr), (int) *len,
accept_fd, sock_proto_name, accept_inode, connect_inode,
TEST_SOCKET);
memset(listen_sa, 0, sizeof(addr));
*len = sizeof(addr);
if (getpeername(connect_fd, listen_sa, len))
perror_msg_and_fail("getpeername");
printf("getpeername(%d<%s:[%lu->%lu,@\"%s\"]>, {sa_family=AF_UNIX"
", sun_path=\"%s\"}, [%d => %d]) = 0\n",
connect_fd, sock_proto_name, connect_inode, accept_inode,
sun_path1, TEST_SOCKET, (int) sizeof(addr), (int) *len);
assert(sendto(connect_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, 0)
== sizeof(text) - 1);
printf("sendto(%d<%s:[%lu->%lu,@\"%s\"]>, \"%s\", %u, MSG_DONTWAIT"
", NULL, 0) = %u\n",
connect_fd, sock_proto_name, connect_inode, accept_inode,
sun_path1, text,
(unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);
assert(recvfrom(accept_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, NULL)
== sizeof(text) - 1);
printf("recvfrom(%d<%s:[%lu->%lu,\"%s\"]>, \"%s\", %u, MSG_DONTWAIT"
", NULL, NULL) = %u\n",
accept_fd, sock_proto_name, accept_inode, connect_inode,
TEST_SOCKET, text,
(unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);
assert(close(connect_fd) == 0);
printf("close(%d<%s:[%lu->%lu,@\"%s\"]>) = 0\n",
connect_fd, sock_proto_name, connect_inode, accept_inode,
sun_path1);
assert(close(accept_fd) == 0);
printf("close(%d<%s:[%lu->%lu,\"%s\"]>) = 0\n",
accept_fd, sock_proto_name, accept_inode, connect_inode,
TEST_SOCKET);
assert(unlink(TEST_SOCKET) == 0);
assert(close(listen_fd) == 0);
printf("close(%d<%s:[%lu,\"%s\"]>) = 0\n",
listen_fd, sock_proto_name, listen_inode, TEST_SOCKET);
puts("+++ exited with 0 +++");
return 0;
}
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