1 /*
2 * This file is part of net-y-unix strace test.
3 *
4 * Copyright (c) 2013-2017 Dmitry V. Levin <ldv@altlinux.org>
5 * Copyright (c) 2016-2018 The strace developers.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "tests.h"
32 #include <assert.h>
33 #include <stddef.h>
34 #include <stdio.h>
35 #include <stdlib.h>
36 #include <string.h>
37 #include <unistd.h>
38 #include <sys/socket.h>
39 #include <sys/un.h>
40
41 #include "accept_compat.h"
42
43 #define TEST_SOCKET "net-y-unix.socket"
44
45 int
main(void)46 main(void)
47 {
48 skip_if_unavailable("/proc/self/fd/");
49
50 static const struct sockaddr_un addr = {
51 .sun_family = AF_UNIX,
52 .sun_path = TEST_SOCKET
53 };
54 struct sockaddr * const listen_sa = tail_memdup(&addr, sizeof(addr));
55
56 TAIL_ALLOC_OBJECT_CONST_PTR(socklen_t, len);
57 *len = offsetof(struct sockaddr_un, sun_path) + strlen(TEST_SOCKET) + 1;
58 if (*len > sizeof(addr))
59 *len = sizeof(addr);
60
61 int listen_fd = socket(AF_UNIX, SOCK_STREAM, 0);
62 if (listen_fd < 0)
63 perror_msg_and_skip("socket");
64 unsigned long listen_inode = inode_of_sockfd(listen_fd);
65 printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<socket:[%lu]>\n",
66 listen_fd, listen_inode);
67
68 (void) unlink(TEST_SOCKET);
69 if (bind(listen_fd, listen_sa, *len))
70 perror_msg_and_skip("bind");
71 printf("bind(%d<socket:[%lu]>, {sa_family=AF_UNIX, sun_path=\"%s\"}"
72 ", %u) = 0\n",
73 listen_fd, listen_inode, TEST_SOCKET, (unsigned) *len);
74
75 if (listen(listen_fd, 1))
76 perror_msg_and_skip("listen");
77 printf("listen(%d<socket:[%lu]>, 1) = 0\n", listen_fd, listen_inode);
78
79 TAIL_ALLOC_OBJECT_CONST_PTR(unsigned int, optval);
80 *len = sizeof(*optval);
81 if (getsockopt(listen_fd, SOL_SOCKET, SO_PASSCRED, optval, len))
82 perror_msg_and_fail("getsockopt");
83 printf("getsockopt(%d<socket:[%lu]>, SOL_SOCKET, SO_PASSCRED"
84 ", [%u], [%u]) = 0\n",
85 listen_fd, listen_inode, *optval, (unsigned) *len);
86
87 memset(listen_sa, 0, sizeof(addr));
88 *len = sizeof(addr);
89 if (getsockname(listen_fd, listen_sa, len))
90 perror_msg_and_fail("getsockname");
91 printf("getsockname(%d<socket:[%lu]>, {sa_family=AF_UNIX"
92 ", sun_path=\"%s\"}, [%d->%d]) = 0\n", listen_fd, listen_inode,
93 TEST_SOCKET, (int) sizeof(addr), (int) *len);
94
95 int connect_fd = socket(AF_UNIX, SOCK_STREAM, 0);
96 if (connect_fd < 0)
97 perror_msg_and_fail("socket");
98 unsigned long connect_inode = inode_of_sockfd(connect_fd);
99 printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<socket:[%lu]>\n",
100 connect_fd, connect_inode);
101
102 if (connect(connect_fd, listen_sa, *len))
103 perror_msg_and_fail("connect");
104 printf("connect(%d<socket:[%lu]>, {sa_family=AF_UNIX"
105 ", sun_path=\"%s\"}, %u) = 0\n",
106 connect_fd, connect_inode, TEST_SOCKET, (unsigned) *len);
107
108 struct sockaddr * const accept_sa = tail_alloc(sizeof(addr));
109 memset(accept_sa, 0, sizeof(addr));
110 *len = sizeof(addr);
111 int accept_fd = do_accept(listen_fd, accept_sa, len);
112 if (accept_fd < 0)
113 perror_msg_and_fail("accept");
114 unsigned long accept_inode = inode_of_sockfd(accept_fd);
115 printf("accept(%d<socket:[%lu]>, {sa_family=AF_UNIX}"
116 ", [%d->%d]) = %d<socket:[%lu]>\n",
117 listen_fd, listen_inode,
118 (int) sizeof(addr), (int) *len,
119 accept_fd, accept_inode);
120
121 memset(listen_sa, 0, sizeof(addr));
122 *len = sizeof(addr);
123 if (getpeername(connect_fd, listen_sa, len))
124 perror_msg_and_fail("getpeername");
125 printf("getpeername(%d<socket:[%lu]>, {sa_family=AF_UNIX"
126 ", sun_path=\"%s\"}, [%d->%d]) = 0\n", connect_fd, connect_inode,
127 TEST_SOCKET, (int) sizeof(addr), (int) *len);
128
129 char text[] = "text";
130 assert(sendto(connect_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, 0)
131 == sizeof(text) - 1);
132 printf("sendto(%d<socket:[%lu]>, \"%s\", %u, MSG_DONTWAIT"
133 ", NULL, 0) = %u\n",
134 connect_fd, connect_inode, text,
135 (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);
136
137 assert(close(connect_fd) == 0);
138 printf("close(%d<socket:[%lu]>) = 0\n", connect_fd, connect_inode);
139
140 assert(recvfrom(accept_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, NULL)
141 == sizeof(text) - 1);
142 printf("recvfrom(%d<socket:[%lu]>, \"%s\", %u, MSG_DONTWAIT"
143 ", NULL, NULL) = %u\n",
144 accept_fd, accept_inode, text,
145 (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);
146
147 assert(close(accept_fd) == 0);
148 printf("close(%d<socket:[%lu]>) = 0\n", accept_fd, accept_inode);
149
150 connect_fd = socket(AF_UNIX, SOCK_STREAM, 0);
151 if (connect_fd < 0)
152 perror_msg_and_fail("socket");
153 connect_inode = inode_of_sockfd(connect_fd);
154 printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<socket:[%lu]>\n",
155 connect_fd, connect_inode);
156
157 *optval = 1;
158 *len = sizeof(*optval);
159 if (setsockopt(connect_fd, SOL_SOCKET, SO_PASSCRED, optval, *len))
160 perror_msg_and_fail("setsockopt");
161 printf("setsockopt(%d<socket:[%lu]>, SOL_SOCKET, SO_PASSCRED"
162 ", [%u], %u) = 0\n",
163 connect_fd, connect_inode, *optval, (unsigned) *len);
164
165 memset(listen_sa, 0, sizeof(addr));
166 *len = sizeof(addr);
167 if (getsockname(listen_fd, listen_sa, len))
168 perror_msg_and_fail("getsockname");
169 printf("getsockname(%d<socket:[%lu]>, {sa_family=AF_UNIX"
170 ", sun_path=\"%s\"}, [%d->%d]) = 0\n",
171 listen_fd, listen_inode, TEST_SOCKET,
172 (int) sizeof(addr), (int) *len);
173
174 if (connect(connect_fd, listen_sa, *len))
175 perror_msg_and_fail("connect");
176 printf("connect(%d<socket:[%lu]>, {sa_family=AF_UNIX"
177 ", sun_path=\"%s\"}, %u) = 0\n",
178 connect_fd, connect_inode, TEST_SOCKET, (unsigned) *len);
179
180 memset(accept_sa, 0, sizeof(addr));
181 *len = sizeof(addr);
182 accept_fd = do_accept(listen_fd, accept_sa, len);
183 if (accept_fd < 0)
184 perror_msg_and_fail("accept");
185 accept_inode = inode_of_sockfd(accept_fd);
186 const char * const sun_path1 =
187 ((struct sockaddr_un *) accept_sa)->sun_path + 1;
188 printf("accept(%d<socket:[%lu]>, {sa_family=AF_UNIX"
189 ", sun_path=@\"%s\"}, [%d->%d]) = %d<socket:[%lu]>\n",
190 listen_fd, listen_inode, sun_path1,
191 (int) sizeof(addr), (int) *len,
192 accept_fd, accept_inode);
193
194 memset(listen_sa, 0, sizeof(addr));
195 *len = sizeof(addr);
196 if (getpeername(connect_fd, listen_sa, len))
197 perror_msg_and_fail("getpeername");
198 printf("getpeername(%d<socket:[%lu]>, {sa_family=AF_UNIX"
199 ", sun_path=\"%s\"}, [%d->%d]) = 0\n",
200 connect_fd, connect_inode, TEST_SOCKET,
201 (int) sizeof(addr), (int) *len);
202
203 memset(accept_sa, 0, sizeof(addr));
204 *len = sizeof(addr);
205 if (getsockname(connect_fd, accept_sa, len))
206 perror_msg_and_fail("getsockname");
207 printf("getsockname(%d<socket:[%lu]>, {sa_family=AF_UNIX"
208 ", sun_path=@\"%s\"}, [%d->%d]) = 0\n",
209 connect_fd, connect_inode, sun_path1,
210 (int) sizeof(addr), (int) *len);
211
212 assert(sendto(connect_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, 0)
213 == sizeof(text) - 1);
214 printf("sendto(%d<socket:[%lu]>, \"%s\", %u, MSG_DONTWAIT"
215 ", NULL, 0) = %u\n",
216 connect_fd, connect_inode, text,
217 (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);
218
219 assert(close(connect_fd) == 0);
220 printf("close(%d<socket:[%lu]>) = 0\n", connect_fd, connect_inode);
221
222 assert(recvfrom(accept_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, NULL)
223 == sizeof(text) - 1);
224 printf("recvfrom(%d<socket:[%lu]>, \"%s\", %u, MSG_DONTWAIT"
225 ", NULL, NULL) = %u\n",
226 accept_fd, accept_inode, text,
227 (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);
228
229 assert(close(accept_fd) == 0);
230 printf("close(%d<socket:[%lu]>) = 0\n", accept_fd, accept_inode);
231
232 assert(unlink(TEST_SOCKET) == 0);
233
234 assert(close(listen_fd) == 0);
235 printf("close(%d<socket:[%lu]>) = 0\n",
236 listen_fd, listen_inode);
237
238 puts("+++ exited with 0 +++");
239 return 0;
240 }
241