106 lines
3.6 KiB
C
106 lines
3.6 KiB
C
/*
|
|
* 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 <string.h>
|
|
#include <sys/socket.h>
|
|
#include <arpa/inet.h>
|
|
#include <net/if.h>
|
|
#include <netinet/tcp.h>
|
|
#include "test_nlattr.h"
|
|
#include <linux/inet_diag.h>
|
|
#include <linux/rtnetlink.h>
|
|
#include <linux/sock_diag.h>
|
|
|
|
static const char address[] = "10.11.12.13";
|
|
|
|
static void
|
|
init_inet_diag_req(struct nlmsghdr *const nlh, const unsigned int msg_len)
|
|
{
|
|
SET_STRUCT(struct nlmsghdr, nlh,
|
|
.nlmsg_len = msg_len,
|
|
.nlmsg_type = TCPDIAG_GETSOCK,
|
|
.nlmsg_flags = NLM_F_REQUEST
|
|
);
|
|
|
|
struct inet_diag_req *const req = NLMSG_DATA(nlh);
|
|
SET_STRUCT(struct inet_diag_req, req,
|
|
.idiag_family = AF_INET,
|
|
.idiag_ext = 1 << (INET_DIAG_TOS - 1),
|
|
.idiag_states = 1 << TCP_LAST_ACK,
|
|
.id.idiag_if = ifindex_lo()
|
|
);
|
|
|
|
if (!inet_pton(AF_INET, address, req->id.idiag_src) ||
|
|
!inet_pton(AF_INET, address, req->id.idiag_dst))
|
|
perror_msg_and_skip("inet_pton");
|
|
}
|
|
|
|
static void
|
|
print_inet_diag_req(const unsigned int msg_len)
|
|
{
|
|
printf("{len=%u, type=TCPDIAG_GETSOCK, flags=NLM_F_REQUEST"
|
|
", seq=0, pid=0}, {idiag_family=AF_INET"
|
|
", idiag_src_len=0, idiag_dst_len=0"
|
|
", idiag_ext=1<<(INET_DIAG_TOS-1)"
|
|
", id={idiag_sport=htons(0), idiag_dport=htons(0)"
|
|
", idiag_src=inet_addr(\"%s\")"
|
|
", idiag_dst=inet_addr(\"%s\")"
|
|
", idiag_if=" IFINDEX_LO_STR
|
|
", idiag_cookie=[0, 0]}"
|
|
", idiag_states=1<<TCP_LAST_ACK, idiag_dbs=0}",
|
|
msg_len, address, address);
|
|
}
|
|
|
|
int
|
|
main(void)
|
|
{
|
|
skip_if_unavailable("/proc/self/fd/");
|
|
|
|
int fd = create_nl_socket(NETLINK_SOCK_DIAG);
|
|
const unsigned int hdrlen = sizeof(struct inet_diag_req);
|
|
void *nlh0 = midtail_alloc(NLMSG_SPACE(hdrlen), NLA_HDRLEN + 4);
|
|
|
|
static char pattern[4096];
|
|
fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1);
|
|
|
|
char nla_type_str[256];
|
|
sprintf(nla_type_str, "%#x /* INET_DIAG_REQ_??? */",
|
|
INET_DIAG_REQ_BYTECODE + 1);
|
|
TEST_NLATTR_(fd, nlh0, hdrlen,
|
|
init_inet_diag_req, print_inet_diag_req,
|
|
INET_DIAG_REQ_BYTECODE + 1, nla_type_str,
|
|
4, pattern, 4,
|
|
print_quoted_hex(pattern, 4));
|
|
|
|
puts("+++ exited with 0 +++");
|
|
return 0;
|
|
}
|