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121 lines
4.3 KiB
121 lines
4.3 KiB
/*
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* Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
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* Copyright (c) 2017 The strace developers.
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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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#ifdef HAVE_LINUX_NETFILTER_NFNETLINK_CONNTRACK_H
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# include <stdio.h>
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# include <sys/socket.h>
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# include "netlink.h"
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# include <linux/netfilter/nfnetlink.h>
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# include <linux/netfilter/nfnetlink_conntrack.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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long rc;
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struct nlmsghdr nlh = {
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.nlmsg_len = sizeof(nlh),
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.nlmsg_flags = NLM_F_REQUEST,
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};
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nlh.nlmsg_type = NFNL_SUBSYS_CTNETLINK_EXP << 8 | IPCTNL_MSG_EXP_NEW;
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rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
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printf("sendto(%d, {len=%u"
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", type=NFNL_SUBSYS_CTNETLINK_EXP<<8|IPCTNL_MSG_EXP_NEW"
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", flags=NLM_F_REQUEST, seq=0, pid=0}"
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", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
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fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
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nlh.nlmsg_type = NFNL_SUBSYS_CTNETLINK_EXP << 8 | 0xff;
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rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
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printf("sendto(%d, {len=%u"
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", type=NFNL_SUBSYS_CTNETLINK_EXP<<8|0xff /* IPCTNL_MSG_EXP_??? */"
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", flags=NLM_F_REQUEST, seq=0, pid=0}"
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", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
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fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
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}
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static void
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test_nlmsg_flags(const int fd)
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{
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long rc;
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struct nlmsghdr nlh = {
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.nlmsg_len = sizeof(nlh),
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};
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nlh.nlmsg_type = NFNL_SUBSYS_CTNETLINK_EXP << 8 | IPCTNL_MSG_EXP_NEW;
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nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_EXCL;
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rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
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printf("sendto(%d, {len=%u"
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", type=NFNL_SUBSYS_CTNETLINK_EXP<<8|IPCTNL_MSG_EXP_NEW"
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", flags=NLM_F_REQUEST|NLM_F_EXCL, seq=0, pid=0}"
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", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
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fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
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nlh.nlmsg_type = NFNL_SUBSYS_CTNETLINK_EXP << 8 | IPCTNL_MSG_EXP_GET;
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nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_ROOT;
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rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
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printf("sendto(%d, {len=%u"
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", type=NFNL_SUBSYS_CTNETLINK_EXP<<8|IPCTNL_MSG_EXP_GET"
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", flags=NLM_F_REQUEST|NLM_F_ROOT, seq=0, pid=0}"
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", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
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fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
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nlh.nlmsg_type = NFNL_SUBSYS_CTNETLINK_EXP << 8 | IPCTNL_MSG_EXP_DELETE;
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nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_NONREC;
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rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
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printf("sendto(%d, {len=%u"
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", type=NFNL_SUBSYS_CTNETLINK_EXP<<8|IPCTNL_MSG_EXP_DELETE"
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", flags=NLM_F_REQUEST|NLM_F_NONREC, seq=0, pid=0}"
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", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
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fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
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}
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int
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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_NETFILTER);
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test_nlmsg_type(fd);
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test_nlmsg_flags(fd);
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puts("+++ exited with 0 +++");
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return 0;
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}
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#else
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SKIP_MAIN_UNDEFINED("HAVE_LINUX_NETFILTER_NFNETLINK_CONNTRACK_H")
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#endif
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