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88 lines
2.7 KiB
88 lines
2.7 KiB
/* |
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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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", \"\\3\\0\\0\\0\"}, %u, 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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