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