1 /*
2 * This file is part of net-yy-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-yy-unix.socket"
42
43 int
main(void)44 main(void)
45 {
46 skip_if_unavailable("/proc/self/fd/");
47
48 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<UNIX:[%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<UNIX:[%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<UNIX:[%lu,\"%s\"]>, 1) = 0\n",
76 listen_fd, listen_inode, TEST_SOCKET);
77
78 TAIL_ALLOC_OBJECT_CONST_PTR(unsigned int, optval);
79 *len = sizeof(*optval);
80 if (getsockopt(listen_fd, SOL_SOCKET, SO_PASSCRED, optval, len))
81 perror_msg_and_fail("getsockopt");
82 printf("getsockopt(%d<UNIX:[%lu,\"%s\"]>, SOL_SOCKET, SO_PASSCRED"
83 ", [%u], [%u]) = 0\n",
84 listen_fd, listen_inode, TEST_SOCKET, *optval, (unsigned) *len);
85
86 memset(listen_sa, 0, sizeof(addr));
87 *len = sizeof(addr);
88 if (getsockname(listen_fd, listen_sa, len))
89 perror_msg_and_fail("getsockname");
90 printf("getsockname(%d<UNIX:[%lu,\"%s\"]>, {sa_family=AF_UNIX"
91 ", sun_path=\"%s\"}, [%d->%d]) = 0\n", listen_fd, listen_inode,
92 TEST_SOCKET, TEST_SOCKET, (int) sizeof(addr), (int) *len);
93
94 int connect_fd = socket(AF_UNIX, SOCK_STREAM, 0);
95 if (connect_fd < 0)
96 perror_msg_and_fail("socket");
97 unsigned long connect_inode = inode_of_sockfd(connect_fd);
98 printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<UNIX:[%lu]>\n",
99 connect_fd, connect_inode);
100
101 if (connect(connect_fd, listen_sa, *len))
102 perror_msg_and_fail("connect");
103 printf("connect(%d<UNIX:[%lu]>, {sa_family=AF_UNIX"
104 ", sun_path=\"%s\"}, %u) = 0\n",
105 connect_fd, connect_inode, TEST_SOCKET, (unsigned) *len);
106
107 struct sockaddr * const accept_sa = tail_alloc(sizeof(addr));
108 memset(accept_sa, 0, sizeof(addr));
109 *len = sizeof(addr);
110 int accept_fd = accept(listen_fd, accept_sa, len);
111 if (accept_fd < 0)
112 perror_msg_and_fail("accept");
113 unsigned long accept_inode = inode_of_sockfd(accept_fd);
114 printf("accept(%d<UNIX:[%lu,\"%s\"]>, {sa_family=AF_UNIX}"
115 ", [%d->%d]) = %d<UNIX:[%lu->%lu,\"%s\"]>\n",
116 listen_fd, listen_inode, TEST_SOCKET,
117 (int) sizeof(addr), (int) *len,
118 accept_fd, accept_inode, connect_inode, TEST_SOCKET);
119
120 memset(listen_sa, 0, sizeof(addr));
121 *len = sizeof(addr);
122 if (getpeername(connect_fd, listen_sa, len))
123 perror_msg_and_fail("getpeername");
124 printf("getpeername(%d<UNIX:[%lu->%lu]>, {sa_family=AF_UNIX"
125 ", sun_path=\"%s\"}, [%d->%d]) = 0\n",
126 connect_fd, connect_inode,
127 accept_inode, 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<UNIX:[%lu->%lu]>, \"%s\", %u, MSG_DONTWAIT"
133 ", NULL, 0) = %u\n",
134 connect_fd, connect_inode, accept_inode, text,
135 (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);
136
137 assert(recvfrom(accept_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, NULL)
138 == sizeof(text) - 1);
139 printf("recvfrom(%d<UNIX:[%lu->%lu,\"%s\"]>, \"%s\", %u, MSG_DONTWAIT"
140 ", NULL, NULL) = %u\n",
141 accept_fd, accept_inode, connect_inode, TEST_SOCKET, text,
142 (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);
143
144 assert(close(connect_fd) == 0);
145 printf("close(%d<UNIX:[%lu->%lu]>) = 0\n",
146 connect_fd, connect_inode, accept_inode);
147
148 assert(close(accept_fd) == 0);
149 printf("close(%d<UNIX:[%lu->%lu,\"%s\"]>) = 0\n",
150 accept_fd, accept_inode, connect_inode, TEST_SOCKET);
151
152 connect_fd = socket(AF_UNIX, SOCK_STREAM, 0);
153 if (connect_fd < 0)
154 perror_msg_and_fail("socket");
155 connect_inode = inode_of_sockfd(connect_fd);
156 printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<UNIX:[%lu]>\n",
157 connect_fd, connect_inode);
158
159 *optval = 1;
160 *len = sizeof(*optval);
161 if (setsockopt(connect_fd, SOL_SOCKET, SO_PASSCRED, optval, *len))
162 perror_msg_and_fail("setsockopt");
163 printf("setsockopt(%d<UNIX:[%lu]>, SOL_SOCKET, SO_PASSCRED"
164 ", [%u], %u) = 0\n",
165 connect_fd, connect_inode, *optval, (unsigned) *len);
166
167 memset(listen_sa, 0, sizeof(addr));
168 *len = sizeof(addr);
169 if (getsockname(listen_fd, listen_sa, len))
170 perror_msg_and_fail("getsockname");
171 printf("getsockname(%d<UNIX:[%lu,\"%s\"]>, {sa_family=AF_UNIX"
172 ", sun_path=\"%s\"}, [%d->%d]) = 0\n", listen_fd, listen_inode,
173 TEST_SOCKET, TEST_SOCKET, (int) sizeof(addr), (int) *len);
174
175 if (connect(connect_fd, listen_sa, *len))
176 perror_msg_and_fail("connect");
177 printf("connect(%d<UNIX:[%lu]>, {sa_family=AF_UNIX"
178 ", sun_path=\"%s\"}, %u) = 0\n",
179 connect_fd, connect_inode, TEST_SOCKET, (unsigned) *len);
180
181 memset(accept_sa, 0, sizeof(addr));
182 *len = sizeof(addr);
183 accept_fd = accept(listen_fd, accept_sa, len);
184 if (accept_fd < 0)
185 perror_msg_and_fail("accept");
186 accept_inode = inode_of_sockfd(accept_fd);
187 const char * const sun_path1 =
188 ((struct sockaddr_un *) accept_sa)->sun_path + 1;
189 printf("accept(%d<UNIX:[%lu,\"%s\"]>, {sa_family=AF_UNIX"
190 ", sun_path=@\"%s\"}, [%d->%d]) = %d<UNIX:[%lu->%lu,\"%s\"]>\n",
191 listen_fd, listen_inode, TEST_SOCKET, sun_path1,
192 (int) sizeof(addr), (int) *len,
193 accept_fd, accept_inode, connect_inode, TEST_SOCKET);
194
195 memset(listen_sa, 0, sizeof(addr));
196 *len = sizeof(addr);
197 if (getpeername(connect_fd, listen_sa, len))
198 perror_msg_and_fail("getpeername");
199 printf("getpeername(%d<UNIX:[%lu->%lu,@\"%s\"]>, {sa_family=AF_UNIX"
200 ", sun_path=\"%s\"}, [%d->%d]) = 0\n", connect_fd, connect_inode,
201 accept_inode, sun_path1, TEST_SOCKET, (int) sizeof(addr), (int) *len);
202
203 assert(sendto(connect_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, 0)
204 == sizeof(text) - 1);
205 printf("sendto(%d<UNIX:[%lu->%lu,@\"%s\"]>, \"%s\", %u, MSG_DONTWAIT"
206 ", NULL, 0) = %u\n",
207 connect_fd, connect_inode, accept_inode, sun_path1, text,
208 (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);
209
210 assert(recvfrom(accept_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, NULL)
211 == sizeof(text) - 1);
212 printf("recvfrom(%d<UNIX:[%lu->%lu,\"%s\"]>, \"%s\", %u, MSG_DONTWAIT"
213 ", NULL, NULL) = %u\n",
214 accept_fd, accept_inode, connect_inode, TEST_SOCKET, text,
215 (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);
216
217 assert(close(connect_fd) == 0);
218 printf("close(%d<UNIX:[%lu->%lu,@\"%s\"]>) = 0\n",
219 connect_fd, connect_inode, accept_inode, sun_path1);
220
221 assert(close(accept_fd) == 0);
222 printf("close(%d<UNIX:[%lu->%lu,\"%s\"]>) = 0\n",
223 accept_fd, accept_inode, connect_inode, TEST_SOCKET);
224
225 assert(unlink(TEST_SOCKET) == 0);
226
227 assert(close(listen_fd) == 0);
228 printf("close(%d<UNIX:[%lu,\"%s\"]>) = 0\n",
229 listen_fd, listen_inode, TEST_SOCKET);
230
231 puts("+++ exited with 0 +++");
232 return 0;
233 }
234