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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 <string.h>
#include <stdint.h>
#include <unistd.h>
#include <sys/socket.h>
#include "netlink.h"
#include <linux/xfrm.h>

static void
test_nlmsg_type(const int fd)
{
	long rc;
	struct nlmsghdr nlh = {
		.nlmsg_len = sizeof(nlh),
		.nlmsg_type = XFRM_MSG_NEWSA,
		.nlmsg_flags = NLM_F_REQUEST,
	};

	rc = sendto(fd, &nlh, sizeof(nlh), MSG_DONTWAIT, NULL, 0);
	printf("sendto(%d, {nlmsg_len=%u, nlmsg_type=XFRM_MSG_NEWSA"
	       ", nlmsg_flags=NLM_F_REQUEST, nlmsg_seq=0, nlmsg_pid=0}"
	       ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
	       fd, nlh.nlmsg_len, (unsigned) sizeof(nlh), sprintrc(rc));
}

static void
test_nlmsg_flags(const int fd)
{
	long rc;
	struct nlmsghdr nlh = {
		.nlmsg_len = sizeof(nlh),
	};

	nlh.nlmsg_type = XFRM_MSG_GETSA;
	nlh.nlmsg_flags = NLM_F_DUMP;
	rc = sendto(fd, &nlh, sizeof(nlh), MSG_DONTWAIT, NULL, 0);
	printf("sendto(%d, {nlmsg_len=%u, nlmsg_type=XFRM_MSG_GETSA"
	       ", nlmsg_flags=NLM_F_DUMP, nlmsg_seq=0, nlmsg_pid=0}"
	       ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
	       fd, nlh.nlmsg_len, (unsigned) sizeof(nlh), sprintrc(rc));

	nlh.nlmsg_type = XFRM_MSG_NEWSA;
	nlh.nlmsg_flags = NLM_F_REPLACE;
	rc = sendto(fd, &nlh, sizeof(nlh), MSG_DONTWAIT, NULL, 0);
	printf("sendto(%d, {nlmsg_len=%u, nlmsg_type=XFRM_MSG_NEWSA"
	       ", nlmsg_flags=NLM_F_REPLACE, nlmsg_seq=0, nlmsg_pid=0}"
	       ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
	       fd, nlh.nlmsg_len, (unsigned) sizeof(nlh), sprintrc(rc));

	nlh.nlmsg_type = XFRM_MSG_DELSA;
	nlh.nlmsg_flags = NLM_F_ECHO | NLM_F_NONREC;
	rc = sendto(fd, &nlh, sizeof(nlh), MSG_DONTWAIT, NULL, 0);
	printf("sendto(%d, {nlmsg_len=%u, nlmsg_type=XFRM_MSG_DELSA"
	       ", nlmsg_flags=NLM_F_ECHO|NLM_F_NONREC, nlmsg_seq=0"
	       ", nlmsg_pid=0}, %u, MSG_DONTWAIT, NULL, 0) = %s\n",
	       fd, nlh.nlmsg_len, (unsigned) sizeof(nlh), sprintrc(rc));

	nlh.nlmsg_type = XFRM_MSG_ALLOCSPI;
	nlh.nlmsg_flags = NLM_F_ECHO | NLM_F_REPLACE;
	rc = sendto(fd, &nlh, sizeof(nlh), MSG_DONTWAIT, NULL, 0);
	printf("sendto(%d, {nlmsg_len=%u, nlmsg_type=XFRM_MSG_ALLOCSPI"
	       ", nlmsg_flags=NLM_F_ECHO|%#x, nlmsg_seq=0, nlmsg_pid=0}"
	       ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
	       fd, nlh.nlmsg_len, NLM_F_REPLACE,
	       (unsigned) sizeof(nlh), sprintrc(rc));
}

int main(void)
{
	skip_if_unavailable("/proc/self/fd/");

	int fd = create_nl_socket(NETLINK_XFRM);

	test_nlmsg_type(fd);
	test_nlmsg_flags(fd);

	printf("+++ exited with 0 +++\n");

	return 0;
}