1 /*
2 * Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
3 * Copyright (c) 2017-2018 The strace developers.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "tests.h"
30
31 #include <stdio.h>
32 #include "netlink.h"
33 #include <linux/rtnetlink.h>
34
35 #ifdef RTM_GETNSID
36
37 # include "test_nlattr.h"
38
39 static void
init_rtgenmsg(struct nlmsghdr * const nlh,const unsigned int msg_len)40 init_rtgenmsg(struct nlmsghdr *const nlh, const unsigned int msg_len)
41 {
42 SET_STRUCT(struct nlmsghdr, nlh,
43 .nlmsg_len = msg_len,
44 .nlmsg_type = RTM_GETNSID,
45 .nlmsg_flags = NLM_F_DUMP
46 );
47
48 struct rtgenmsg *const msg = NLMSG_DATA(nlh);
49 SET_STRUCT(struct rtgenmsg, msg,
50 .rtgen_family = AF_UNIX
51 );
52 }
53
54 static void
print_rtgenmsg(const unsigned int msg_len)55 print_rtgenmsg(const unsigned int msg_len)
56 {
57 printf("{len=%u, type=RTM_GETNSID, flags=NLM_F_DUMP"
58 ", seq=0, pid=0}, {rtgen_family=AF_UNIX}",
59 msg_len);
60 }
61
62 int
main(void)63 main(void)
64 {
65 skip_if_unavailable("/proc/self/fd/");
66
67 const int fd = create_nl_socket(NETLINK_ROUTE);
68 const unsigned int hdrlen = sizeof(struct rtgenmsg);
69 const unsigned int nla_type = 0xffff & NLA_TYPE_MASK;
70 char nla_type_str[256];
71 void *nlh0 = midtail_alloc(NLMSG_SPACE(hdrlen),
72 NLA_HDRLEN + sizeof(nla_type_str));
73
74 static char pattern[4096];
75 fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1);
76
77 sprintf(nla_type_str, "%#x /* NETNSA_??? */", nla_type);
78 TEST_NLATTR_(fd, nlh0, hdrlen,
79 init_rtgenmsg, print_rtgenmsg,
80 nla_type, nla_type_str,
81 4, pattern, 4,
82 print_quoted_hex(pattern, 4));
83
84 puts("+++ exited with 0 +++");
85 return 0;
86 }
87
88 #else
89
90 SKIP_MAIN_UNDEFINED("RTM_GETNSID")
91
92 #endif
93