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tests/nfnetlink_queue.c
54 строки
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Dmitry V. Levin
netlink: switch to use bundled <linux/netfilter/nfnetlink_queue.h>
22 фев 2021, 11:00
22 фев 2021, 11:00
78d25ae
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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_queue.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_QUEUE << 8 | NFQNL_MSG_PACKET; rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0); printf("sendto(%d, {nlmsg_len=%u" ", nlmsg_type=NFNL_SUBSYS_QUEUE<<8|NFQNL_MSG_PACKET" ", 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_QUEUE << 8 | 0xff; rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0); printf("sendto(%d, {nlmsg_len=%u" ", nlmsg_type=NFNL_SUBSYS_QUEUE<<8|0xff /* NFQNL_MSG_??? */" ", 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)); } int main(void) { skip_if_unavailable("/proc/self/fd/"); int fd = create_nl_socket(NETLINK_NETFILTER); test_nlmsg_type(fd); puts("+++ exited with 0 +++"); return 0; }