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53 lines
2.1 KiB
53 lines
2.1 KiB
/*
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* Copyright (c) 2015-2017 Dmitry V. Levin <ldv@altlinux.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "tests.h"
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#include <sys/socket.h>
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#include "netlink.h"
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int
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create_nl_socket_ext(const int proto, const char *const name)
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{
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const int fd = socket(AF_NETLINK, SOCK_RAW, proto);
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if (fd < 0)
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perror_msg_and_skip("socket AF_NETLINK %s", name);
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const struct sockaddr_nl addr = { .nl_family = AF_NETLINK };
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socklen_t len = sizeof(addr);
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if (bind(fd, (const struct sockaddr *) &addr, len))
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perror_msg_and_skip("bind AF_NETLINK %s", name);
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/* one more operation on this socket to win the race */
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int listening;
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len = sizeof(listening);
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if (getsockopt(fd, SOL_SOCKET, SO_ACCEPTCONN, &listening, &len))
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perror_msg_and_fail("getsockopt");
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return fd;
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}
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