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/*
* Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
* Copyright (c) 2017-2021 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include <stdio.h>
#include <sys/socket.h>
#include "netlink.h"
#include <linux/netfilter/nfnetlink.h>
#include <linux/netfilter/nfnetlink_conntrack.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_CTNETLINK << 8 | IPCTNL_MSG_CT_NEW;
rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
printf("sendto(%d, {nlmsg_len=%u"
", nlmsg_type=NFNL_SUBSYS_CTNETLINK<<8|IPCTNL_MSG_CT_NEW"
", nlmsg_flags=NLM_F_REQUEST, nlmsg_seq=0, nlmsg_pid=0}"
", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
nlh.nlmsg_type = NFNL_SUBSYS_CTNETLINK << 8 | 0xff;
rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
printf("sendto(%d, {nlmsg_len=%u"
", nlmsg_type=NFNL_SUBSYS_CTNETLINK<<8|0xff"
" /* IPCTNL_MSG_CT_??? */"
", nlmsg_flags=NLM_F_REQUEST, nlmsg_seq=0, nlmsg_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_CTNETLINK << 8 | IPCTNL_MSG_CT_NEW;
nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_REPLACE;
rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
printf("sendto(%d, {nlmsg_len=%u"
", nlmsg_type=NFNL_SUBSYS_CTNETLINK<<8|IPCTNL_MSG_CT_NEW"
", nlmsg_flags=NLM_F_REQUEST|NLM_F_REPLACE, nlmsg_seq=0"
", nlmsg_pid=0}, %u, MSG_DONTWAIT, NULL, 0) = %s\n",
fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
nlh.nlmsg_type = NFNL_SUBSYS_CTNETLINK << 8 | IPCTNL_MSG_CT_GET;
nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP;
rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
printf("sendto(%d, {nlmsg_len=%u"
", nlmsg_type=NFNL_SUBSYS_CTNETLINK<<8|IPCTNL_MSG_CT_GET"
", nlmsg_flags=NLM_F_REQUEST|NLM_F_DUMP, nlmsg_seq=0"
", nlmsg_pid=0}, %u, MSG_DONTWAIT, NULL, 0) = %s\n",
fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
nlh.nlmsg_type = NFNL_SUBSYS_CTNETLINK << 8 | IPCTNL_MSG_CT_DELETE;
nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_NONREC;
rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
printf("sendto(%d, {nlmsg_len=%u"
", nlmsg_type=NFNL_SUBSYS_CTNETLINK<<8|IPCTNL_MSG_CT_DELETE"
", nlmsg_flags=NLM_F_REQUEST|NLM_F_NONREC, nlmsg_seq=0"
", nlmsg_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;
}
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