2 * Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
3 * Copyright (c) 2017-2018 The strace developers.
6 * SPDX-License-Identifier: GPL-2.0-or-later
14 #include "test_nlattr.h"
15 #include <linux/netlink_diag.h>
16 #include <linux/sock_diag.h>
19 init_netlink_diag_msg(struct nlmsghdr *const nlh, const unsigned int msg_len)
21 SET_STRUCT(struct nlmsghdr, nlh,
23 .nlmsg_type = SOCK_DIAG_BY_FAMILY,
24 .nlmsg_flags = NLM_F_DUMP
27 struct netlink_diag_msg *const msg = NLMSG_DATA(nlh);
28 SET_STRUCT(struct netlink_diag_msg, msg,
29 .ndiag_family = AF_NETLINK,
30 .ndiag_type = SOCK_RAW,
31 .ndiag_protocol = NETLINK_ROUTE,
32 .ndiag_state = NETLINK_CONNECTED
37 print_netlink_diag_msg(const unsigned int msg_len)
39 printf("{len=%u, type=SOCK_DIAG_BY_FAMILY"
40 ", flags=NLM_F_DUMP, seq=0, pid=0}, {ndiag_family=AF_NETLINK"
41 ", ndiag_type=SOCK_RAW, ndiag_protocol=NETLINK_ROUTE"
42 ", ndiag_state=NETLINK_CONNECTED, ndiag_portid=0"
43 ", ndiag_dst_portid=0, ndiag_dst_group=0, ndiag_ino=0"
44 ", ndiag_cookie=[0, 0]}",
49 print_xlong(const unsigned long *p, size_t i)
57 skip_if_unavailable("/proc/self/fd/");
59 static const unsigned long groups[] = {
60 (unsigned long) 0xdeadbeefbadc0dedULL,
61 (unsigned long) 0xdeadbeefbadc0dedULL
63 static const struct netlink_diag_ring ndr = {
64 .ndr_block_size = 0xfabfabdc,
65 .ndr_block_nr = 0xabcdabda,
66 .ndr_frame_size = 0xcbadbafa,
67 .ndr_frame_nr = 0xdbcafadb
69 static const uint32_t flags =
70 NDIAG_FLAG_CB_RUNNING | NDIAG_FLAG_PKTINFO;
72 const int fd = create_nl_socket(NETLINK_SOCK_DIAG);
73 const unsigned int hdrlen = sizeof(struct netlink_diag_msg);
74 void *const nlh0 = midtail_alloc(NLMSG_SPACE(hdrlen),
76 MAX(sizeof(groups), sizeof(ndr)));
78 static char pattern[4096];
79 fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1);
81 TEST_NLATTR_ARRAY(fd, nlh0, hdrlen,
82 init_netlink_diag_msg, print_netlink_diag_msg,
83 NETLINK_DIAG_GROUPS, pattern, groups, print_xlong);
85 TEST_NLATTR_OBJECT(fd, nlh0, hdrlen,
86 init_netlink_diag_msg, print_netlink_diag_msg,
87 NETLINK_DIAG_RX_RING, pattern, ndr,
88 PRINT_FIELD_U("{", ndr, ndr_block_size);
89 PRINT_FIELD_U(", ", ndr, ndr_block_nr);
90 PRINT_FIELD_U(", ", ndr, ndr_frame_size);
91 PRINT_FIELD_U(", ", ndr, ndr_frame_nr);
94 TEST_NLATTR_OBJECT(fd, nlh0, hdrlen,
95 init_netlink_diag_msg, print_netlink_diag_msg,
96 NETLINK_DIAG_FLAGS, pattern, flags,
97 printf("NDIAG_FLAG_CB_RUNNING|NDIAG_FLAG_PKTINFO"));
99 puts("+++ exited with 0 +++");