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/*
* Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
* Copyright (c) 2017-2018 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 "test_nlattr.h"
#include <linux/netlink_diag.h>
#include <linux/sock_diag.h>
static void
init_netlink_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 netlink_diag_msg *const msg = NLMSG_DATA(nlh);
SET_STRUCT(struct netlink_diag_msg, msg,
.ndiag_family = AF_NETLINK,
.ndiag_type = SOCK_RAW,
.ndiag_protocol = NETLINK_ROUTE,
.ndiag_state = NETLINK_CONNECTED
);
}
static void
print_netlink_diag_msg(const unsigned int msg_len)
{
printf("{len=%u, type=SOCK_DIAG_BY_FAMILY"
", flags=NLM_F_DUMP, seq=0, pid=0}, {ndiag_family=AF_NETLINK"
", ndiag_type=SOCK_RAW, ndiag_protocol=NETLINK_ROUTE"
", ndiag_state=NETLINK_CONNECTED, ndiag_portid=0"
", ndiag_dst_portid=0, ndiag_dst_group=0, ndiag_ino=0"
", ndiag_cookie=[0, 0]}",
msg_len);
}
static void
print_xlong(const unsigned long *p, size_t i)
{
printf("%#lx", *p);
}
int
main(void)
{
skip_if_unavailable("/proc/self/fd/");
static const unsigned long groups[] = {
(unsigned long) 0xdeadbeefbadc0dedULL,
(unsigned long) 0xdeadbeefbadc0dedULL
};
static const struct netlink_diag_ring ndr = {
.ndr_block_size = 0xfabfabdc,
.ndr_block_nr = 0xabcdabda,
.ndr_frame_size = 0xcbadbafa,
.ndr_frame_nr = 0xdbcafadb
};
static const uint32_t flags =
NDIAG_FLAG_CB_RUNNING | NDIAG_FLAG_PKTINFO;
const int fd = create_nl_socket(NETLINK_SOCK_DIAG);
const unsigned int hdrlen = sizeof(struct netlink_diag_msg);
void *const nlh0 = midtail_alloc(NLMSG_SPACE(hdrlen),
NLA_HDRLEN +
MAX(sizeof(groups), sizeof(ndr)));
static char pattern[4096];
fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1);
TEST_NLATTR_ARRAY(fd, nlh0, hdrlen,
init_netlink_diag_msg, print_netlink_diag_msg,
NETLINK_DIAG_GROUPS, pattern, groups, print_xlong);
TEST_NLATTR_OBJECT(fd, nlh0, hdrlen,
init_netlink_diag_msg, print_netlink_diag_msg,
NETLINK_DIAG_RX_RING, pattern, ndr,
PRINT_FIELD_U("{", ndr, ndr_block_size);
PRINT_FIELD_U(", ", ndr, ndr_block_nr);
PRINT_FIELD_U(", ", ndr, ndr_frame_size);
PRINT_FIELD_U(", ", ndr, ndr_frame_nr);
printf("}"));
TEST_NLATTR_OBJECT(fd, nlh0, hdrlen,
init_netlink_diag_msg, print_netlink_diag_msg,
NETLINK_DIAG_FLAGS, pattern, flags,
printf("NDIAG_FLAG_CB_RUNNING|NDIAG_FLAG_PKTINFO"));
puts("+++ exited with 0 +++");
return 0;
}
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