/*
|
* Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
|
* Copyright (c) 2017-2018 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"
|
|
#include <stdio.h>
|
#include <netinet/in.h>
|
#include <arpa/inet.h>
|
#include "test_nlattr.h"
|
#ifdef HAVE_LINUX_NEIGHBOUR_H
|
# include <linux/neighbour.h>
|
#endif
|
#include <linux/rtnetlink.h>
|
|
#define NDA_PORT 6
|
|
static void
|
init_ndmsg(struct nlmsghdr *const nlh, const unsigned int msg_len)
|
{
|
SET_STRUCT(struct nlmsghdr, nlh,
|
.nlmsg_len = msg_len,
|
.nlmsg_type = RTM_GETNEIGH,
|
.nlmsg_flags = NLM_F_DUMP
|
);
|
|
struct ndmsg *const msg = NLMSG_DATA(nlh);
|
SET_STRUCT(struct ndmsg, msg,
|
.ndm_family = AF_UNIX,
|
.ndm_ifindex = ifindex_lo(),
|
.ndm_state = NUD_PERMANENT,
|
.ndm_flags = NTF_PROXY,
|
.ndm_type = RTN_UNSPEC
|
);
|
}
|
|
static void
|
print_ndmsg(const unsigned int msg_len)
|
{
|
printf("{len=%u, type=RTM_GETNEIGH, flags=NLM_F_DUMP"
|
", seq=0, pid=0}, {ndm_family=AF_UNIX"
|
", ndm_ifindex=" IFINDEX_LO_STR
|
", ndm_state=NUD_PERMANENT"
|
", ndm_flags=NTF_PROXY"
|
", ndm_type=RTN_UNSPEC}",
|
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 ndmsg);
|
void *nlh0 = midtail_alloc(NLMSG_SPACE(hdrlen),
|
NLA_HDRLEN + sizeof(struct nda_cacheinfo));
|
|
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 /* NDA_??? */", nla_type);
|
TEST_NLATTR_(fd, nlh0, hdrlen,
|
init_ndmsg, print_ndmsg,
|
nla_type, nla_type_str,
|
4, pattern, 4,
|
print_quoted_hex(pattern, 4));
|
|
TEST_NLATTR(fd, nlh0, hdrlen,
|
init_ndmsg, print_ndmsg,
|
NDA_DST, 4, pattern, 4,
|
print_quoted_hex(pattern, 4));
|
|
static const struct nda_cacheinfo ci = {
|
.ndm_confirmed = 0xabcdedad,
|
.ndm_used = 0xbcdaedad,
|
.ndm_updated = 0xcdbadeda,
|
.ndm_refcnt = 0xdeadbeda
|
};
|
|
TEST_NLATTR_OBJECT(fd, nlh0, hdrlen,
|
init_ndmsg, print_ndmsg,
|
NDA_CACHEINFO, pattern, ci,
|
PRINT_FIELD_U("{", ci, ndm_confirmed);
|
PRINT_FIELD_U(", ", ci, ndm_used);
|
PRINT_FIELD_U(", ", ci, ndm_updated);
|
PRINT_FIELD_U(", ", ci, ndm_refcnt);
|
printf("}"));
|
|
const uint16_t port = 0xabcd;
|
TEST_NLATTR_OBJECT(fd, nlh0, hdrlen,
|
init_ndmsg, print_ndmsg,
|
NDA_PORT, pattern, port,
|
printf("htons(%u)", ntohs(port)));
|
|
puts("+++ exited with 0 +++");
|
return 0;
|
}
|
