| /* |
| * Copyright (c) 2015-2017 Dmitry V. Levin <ldv@altlinux.org> |
| * 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 <sys/socket.h> |
| #include "netlink.h" |
| |
| int |
| create_nl_socket_ext(const int proto, const char *const name) |
| { |
| const int fd = socket(AF_NETLINK, SOCK_RAW, proto); |
| if (fd < 0) |
| perror_msg_and_skip("socket AF_NETLINK %s", name); |
| |
| const struct sockaddr_nl addr = { .nl_family = AF_NETLINK }; |
| socklen_t len = sizeof(addr); |
| |
| if (bind(fd, (const struct sockaddr *) &addr, len)) |
| perror_msg_and_skip("bind AF_NETLINK %s", name); |
| |
| /* one more operation on this socket to win the race */ |
| int listening; |
| len = sizeof(listening); |
| if (getsockopt(fd, SOL_SOCKET, SO_ACCEPTCONN, &listening, &len)) |
| perror_msg_and_fail("getsockopt"); |
| |
| return fd; |
| } |