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/*
* Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
* Copyright (c) 2017 The strace developers.
* 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"
#ifdef HAVE_LINUX_NETFILTER_NFNETLINK_CTHELPER_H
# include <stdio.h>
# include <sys/socket.h>
# include "netlink.h"
# include <linux/netfilter/nfnetlink.h>
# include <linux/netfilter/nfnetlink_cthelper.h>
static void
test_nlmsg_type(const int fd)
{
long rc;
struct nlmsghdr nlh = {
.nlmsg_len = sizeof(nlh),
.nlmsg_flags = NLM_F_REQUEST,
};
nlh.nlmsg_type = NFNL_SUBSYS_CTHELPER << 8 | NFNL_MSG_CTHELPER_NEW;
rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
printf("sendto(%d, {len=%u"
", type=NFNL_SUBSYS_CTHELPER<<8|NFNL_MSG_CTHELPER_NEW"
", flags=NLM_F_REQUEST, seq=0, pid=0}"
", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
nlh.nlmsg_type = NFNL_SUBSYS_CTHELPER << 8 | 0xff;
rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
printf("sendto(%d, {len=%u"
", type=NFNL_SUBSYS_CTHELPER<<8|0xff /* NFNL_MSG_CTHELPER_??? */"
", flags=NLM_F_REQUEST, seq=0, pid=0}"
", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
}
static void
test_nlmsg_flags(const int fd)
{
long rc;
struct nlmsghdr nlh = {
.nlmsg_len = sizeof(nlh),
};
nlh.nlmsg_type = NFNL_SUBSYS_CTHELPER << 8 | NFNL_MSG_CTHELPER_NEW;
nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_REPLACE;
rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
printf("sendto(%d, {len=%u"
", type=NFNL_SUBSYS_CTHELPER<<8|NFNL_MSG_CTHELPER_NEW"
", flags=NLM_F_REQUEST|NLM_F_REPLACE, seq=0, pid=0}"
", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
nlh.nlmsg_type = NFNL_SUBSYS_CTHELPER << 8 | NFNL_MSG_CTHELPER_GET;
nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP;
rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
printf("sendto(%d, {len=%u"
", type=NFNL_SUBSYS_CTHELPER<<8|NFNL_MSG_CTHELPER_GET"
", flags=NLM_F_REQUEST|NLM_F_DUMP, seq=0, pid=0}"
", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
nlh.nlmsg_type = NFNL_SUBSYS_CTHELPER << 8 | NFNL_MSG_CTHELPER_DEL;
nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_NONREC;
rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
printf("sendto(%d, {len=%u"
", type=NFNL_SUBSYS_CTHELPER<<8|NFNL_MSG_CTHELPER_DEL"
", flags=NLM_F_REQUEST|NLM_F_NONREC, seq=0, pid=0}"
", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
}
int
main(void)
{
skip_if_unavailable("/proc/self/fd/");
int fd = create_nl_socket(NETLINK_NETFILTER);
test_nlmsg_type(fd);
test_nlmsg_flags(fd);
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("HAVE_LINUX_NETFILTER_NFNETLINK_CTHELPER_H")
#endif
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