90 lines
2.7 KiB
C
90 lines
2.7 KiB
C
/*
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* Copyright (c) 2017 The strace developers.
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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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/* This test case is based on netlink_selinux.c */
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#include "tests.h"
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#ifdef HAVE_LINUX_GENETLINK_H
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# include <stdio.h>
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# include <string.h>
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# include <unistd.h>
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# include <sys/socket.h>
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# include "netlink.h"
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# include <linux/genetlink.h>
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static void
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test_nlmsg_type(const int fd)
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{
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/*
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* Though GENL_ID_CTRL number is statically fixed in this test case,
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* strace does not have a builtin knowledge that the corresponding
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* string is "nlctrl".
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*/
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long rc;
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struct {
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const struct nlmsghdr nlh;
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struct genlmsghdr gnlh;
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} req = {
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.nlh = {
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.nlmsg_len = sizeof(req),
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.nlmsg_type = GENL_ID_CTRL,
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.nlmsg_flags = NLM_F_DUMP | NLM_F_REQUEST
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},
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.gnlh = {
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.cmd = CTRL_CMD_GETFAMILY
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}
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};
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rc = sendto(fd, &req, sizeof(req), MSG_DONTWAIT, NULL, 0);
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printf("sendto(%d, {{len=%u, type=nlctrl"
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", flags=NLM_F_REQUEST|0x300, seq=0, pid=0}"
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", \"\\x03\\x00\\x00\\x00\"}, %u"
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", MSG_DONTWAIT, NULL, 0) = %s\n",
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fd, req.nlh.nlmsg_len,
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(unsigned int) sizeof(req), sprintrc(rc));
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}
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int main(void)
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{
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skip_if_unavailable("/proc/self/fd/");
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int fd = create_nl_socket(NETLINK_GENERIC);
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test_nlmsg_type(fd);
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printf("+++ exited with 0 +++\n");
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return 0;
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}
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#else
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SKIP_MAIN_UNDEFINED("HAVE_LINUX_GENETLINK_H")
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#endif
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