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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 "test_nlattr.h"
#include <linux/if_bridge.h>
#include <linux/rtnetlink.h>
static void
init_br_port_msg(struct nlmsghdr *const nlh, const unsigned int msg_len)
{
SET_STRUCT(struct nlmsghdr, nlh,
.nlmsg_len = msg_len,
.nlmsg_type = RTM_GETMDB,
.nlmsg_flags = NLM_F_DUMP
);
struct br_port_msg *const msg = NLMSG_DATA(nlh);
SET_STRUCT(struct br_port_msg, msg,
.family = AF_UNIX,
.ifindex = ifindex_lo()
);
}
static void
print_br_port_msg(const unsigned int msg_len)
{
printf("{nlmsg_len=%u, nlmsg_type=RTM_GETMDB, nlmsg_flags=NLM_F_DUMP"
", nlmsg_seq=0, nlmsg_pid=0}, {family=AF_UNIX"
", ifindex=" IFINDEX_LO_STR "}",
msg_len);
}
int
main(void)
{
skip_if_unavailable("/proc/self/fd/");
const int fd = create_nl_socket(NETLINK_ROUTE);
const unsigned int hdrlen = sizeof(struct br_port_msg);
void *nlh0 = midtail_alloc(NLMSG_SPACE(hdrlen), NLA_HDRLEN + 4);
static char pattern[4096];
fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1);
const unsigned int nla_type = 0xffff & NLA_TYPE_MASK;
char nla_type_str[256];
sprintf(nla_type_str, "%#x /* MDBA_??? */", nla_type);
TEST_NLATTR_(fd, nlh0, hdrlen,
init_br_port_msg, print_br_port_msg,
nla_type, nla_type_str,
4, pattern, 4,
print_quoted_hex(pattern, 4));
puts("+++ exited with 0 +++");
return 0;
}
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