strace/tests/net-yy-netlink.c

63 lines
1.7 KiB
C

/*
* This file is part of net-yy-netlink strace test.
*
* Copyright (c) 2013-2017 Dmitry V. Levin <ldv@altlinux.org>
* Copyright (c) 2016 Fabien Siron <fabien.siron@epita.fr>
* Copyright (c) 2016-2018 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <unistd.h>
#include <sys/socket.h>
#include "netlink.h"
#include <linux/sock_diag.h>
#include <linux/netlink_diag.h>
int
main(void)
{
skip_if_unavailable("/proc/self/fd/");
struct sockaddr_nl addr = {
.nl_family = AF_NETLINK,
.nl_pid = getpid()
};
struct sockaddr *const sa = tail_memdup(&addr, sizeof(addr));
TAIL_ALLOC_OBJECT_CONST_PTR(socklen_t, len);
*len = sizeof(addr);
const int fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_SOCK_DIAG);
if (fd < 0)
perror_msg_and_skip("socket");
const unsigned long inode = inode_of_sockfd(fd);
printf("socket(AF_NETLINK, SOCK_RAW, NETLINK_SOCK_DIAG) = "
"%d<NETLINK:[%lu]>\n", fd, inode);
if (bind(fd, sa, *len))
perror_msg_and_skip("bind");
printf("bind(%d<NETLINK:[%lu]>, {sa_family=AF_NETLINK"
", nl_pid=%u, nl_groups=00000000}, %u) = 0\n",
fd, inode, addr.nl_pid, (unsigned) *len);
if (getsockname(fd, sa, len))
perror_msg_and_fail("getsockname");
printf("getsockname(%d<NETLINK:[SOCK_DIAG:%u]>, {sa_family=AF_NETLINK"
", nl_pid=%u, nl_groups=00000000}, [%u]) = 0\n",
fd, addr.nl_pid, addr.nl_pid, (unsigned) *len);
if (close(fd))
perror_msg_and_fail("close");
printf("close(%d<NETLINK:[SOCK_DIAG:%u]>) = 0\n", fd, addr.nl_pid);
puts("+++ exited with 0 +++");
return 0;
}