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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 <sys/sysmacros.h>
#include <netinet/tcp.h>
#include "test_nlattr.h"
#include <linux/sock_diag.h>
#include <linux/unix_diag.h>
static void
init_unix_diag_msg(struct nlmsghdr *const nlh, const unsigned int msg_len)
{
SET_STRUCT(struct nlmsghdr, nlh,
.nlmsg_len = msg_len,
.nlmsg_type = SOCK_DIAG_BY_FAMILY,
.nlmsg_flags = NLM_F_DUMP
);
struct unix_diag_msg *const msg = NLMSG_DATA(nlh);
SET_STRUCT(struct unix_diag_msg, msg,
.udiag_family = AF_UNIX,
.udiag_type = SOCK_STREAM,
.udiag_state = TCP_ESTABLISHED
);
}
static void
print_unix_diag_msg(const unsigned int msg_len)
{
printf("{nlmsg_len=%u, nlmsg_type=SOCK_DIAG_BY_FAMILY"
", nlmsg_flags=NLM_F_DUMP, nlmsg_seq=0, nlmsg_pid=0}"
", {udiag_family=AF_UNIX, udiag_type=SOCK_STREAM"
", udiag_state=TCP_ESTABLISHED"
", udiag_ino=0, udiag_cookie=[0, 0]}",
msg_len);
}
static void
print_uint(const unsigned int *p, size_t i)
{
printf("%u", *p);
}
int
main(void)
{
skip_if_unavailable("/proc/self/fd/");
static const struct unix_diag_vfs uv = {
.udiag_vfs_dev = 0xabcddafa,
.udiag_vfs_ino = 0xbafabcda
};
static const struct unix_diag_rqlen rql = {
.udiag_rqueue = 0xfabdcdad,
.udiag_wqueue = 0xbacdadcf
};
static const uint32_t inode[] = { 0xadbcadbc, 0xfabdcdac };
const int fd = create_nl_socket(NETLINK_SOCK_DIAG);
const unsigned int hdrlen = sizeof(struct unix_diag_msg);
void *const nlh0 = midtail_alloc(NLMSG_SPACE(hdrlen),
NLA_HDRLEN + sizeof(inode));
static char pattern[4096];
fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1);
TEST_NLATTR_OBJECT(fd, nlh0, hdrlen,
init_unix_diag_msg, print_unix_diag_msg,
UNIX_DIAG_VFS, pattern, uv,
printf("{udiag_vfs_dev=makedev(%#x, %#x)",
major(uv.udiag_vfs_dev),
minor(uv.udiag_vfs_dev));
printf(", ");
PRINT_FIELD_U(uv, udiag_vfs_ino);
printf("}"));
TEST_NLATTR_OBJECT(fd, nlh0, hdrlen,
init_unix_diag_msg, print_unix_diag_msg,
UNIX_DIAG_RQLEN, pattern, rql,
printf("{");
PRINT_FIELD_U(rql, udiag_rqueue);
printf(", ");
PRINT_FIELD_U(rql, udiag_wqueue);
printf("}"));
TEST_NLATTR_ARRAY(fd, nlh0, hdrlen,
init_unix_diag_msg, print_unix_diag_msg,
UNIX_DIAG_ICONS, pattern, inode, print_uint);
puts("+++ exited with 0 +++");
return 0;
}
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