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 * 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-yy-unix.socket"
44
45 int
main(void)46 main(void)
47 {
48 skip_if_unavailable("/proc/self/fd/");
49
50 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<UNIX:[%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<UNIX:[%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<UNIX:[%lu,\"%s\"]>, 1) = 0\n",
78 listen_fd, listen_inode, TEST_SOCKET);
79
80 TAIL_ALLOC_OBJECT_CONST_PTR(unsigned int, optval);
81 *len = sizeof(*optval);
82 if (getsockopt(listen_fd, SOL_SOCKET, SO_PASSCRED, optval, len))
83 perror_msg_and_fail("getsockopt");
84 printf("getsockopt(%d<UNIX:[%lu,\"%s\"]>, SOL_SOCKET, SO_PASSCRED"
85 ", [%u], [%u]) = 0\n",
86 listen_fd, listen_inode, TEST_SOCKET, *optval, (unsigned) *len);
87
88 memset(listen_sa, 0, sizeof(addr));
89 *len = sizeof(addr);
90 if (getsockname(listen_fd, listen_sa, len))
91 perror_msg_and_fail("getsockname");
92 printf("getsockname(%d<UNIX:[%lu,\"%s\"]>, {sa_family=AF_UNIX"
93 ", sun_path=\"%s\"}, [%d->%d]) = 0\n", listen_fd, listen_inode,
94 TEST_SOCKET, TEST_SOCKET, (int) sizeof(addr), (int) *len);
95
96 int connect_fd = socket(AF_UNIX, SOCK_STREAM, 0);
97 if (connect_fd < 0)
98 perror_msg_and_fail("socket");
99 unsigned long connect_inode = inode_of_sockfd(connect_fd);
100 printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<UNIX:[%lu]>\n",
101 connect_fd, connect_inode);
102
103 if (connect(connect_fd, listen_sa, *len))
104 perror_msg_and_fail("connect");
105 printf("connect(%d<UNIX:[%lu]>, {sa_family=AF_UNIX"
106 ", sun_path=\"%s\"}, %u) = 0\n",
107 connect_fd, connect_inode, TEST_SOCKET, (unsigned) *len);
108
109 struct sockaddr * const accept_sa = tail_alloc(sizeof(addr));
110 memset(accept_sa, 0, sizeof(addr));
111 *len = sizeof(addr);
112 int accept_fd = do_accept(listen_fd, accept_sa, len);
113 if (accept_fd < 0)
114 perror_msg_and_fail("accept");
115 unsigned long accept_inode = inode_of_sockfd(accept_fd);
116 printf("accept(%d<UNIX:[%lu,\"%s\"]>, {sa_family=AF_UNIX}"
117 ", [%d->%d]) = %d<UNIX:[%lu->%lu,\"%s\"]>\n",
118 listen_fd, listen_inode, TEST_SOCKET,
119 (int) sizeof(addr), (int) *len,
120 accept_fd, accept_inode, connect_inode, TEST_SOCKET);
121
122 memset(listen_sa, 0, sizeof(addr));
123 *len = sizeof(addr);
124 if (getpeername(connect_fd, listen_sa, len))
125 perror_msg_and_fail("getpeername");
126 printf("getpeername(%d<UNIX:[%lu->%lu]>, {sa_family=AF_UNIX"
127 ", sun_path=\"%s\"}, [%d->%d]) = 0\n",
128 connect_fd, connect_inode,
129 accept_inode, TEST_SOCKET, (int) sizeof(addr), (int) *len);
130
131 char text[] = "text";
132 assert(sendto(connect_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, 0)
133 == sizeof(text) - 1);
134 printf("sendto(%d<UNIX:[%lu->%lu]>, \"%s\", %u, MSG_DONTWAIT"
135 ", NULL, 0) = %u\n",
136 connect_fd, connect_inode, accept_inode, text,
137 (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);
138
139 assert(recvfrom(accept_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, NULL)
140 == sizeof(text) - 1);
141 printf("recvfrom(%d<UNIX:[%lu->%lu,\"%s\"]>, \"%s\", %u, MSG_DONTWAIT"
142 ", NULL, NULL) = %u\n",
143 accept_fd, accept_inode, connect_inode, TEST_SOCKET, text,
144 (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);
145
146 assert(close(connect_fd) == 0);
147 printf("close(%d<UNIX:[%lu->%lu]>) = 0\n",
148 connect_fd, connect_inode, accept_inode);
149
150 assert(close(accept_fd) == 0);
151 printf("close(%d<UNIX:[%lu->%lu,\"%s\"]>) = 0\n",
152 accept_fd, accept_inode, connect_inode, TEST_SOCKET);
153
154 connect_fd = socket(AF_UNIX, SOCK_STREAM, 0);
155 if (connect_fd < 0)
156 perror_msg_and_fail("socket");
157 connect_inode = inode_of_sockfd(connect_fd);
158 printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<UNIX:[%lu]>\n",
159 connect_fd, connect_inode);
160
161 *optval = 1;
162 *len = sizeof(*optval);
163 if (setsockopt(connect_fd, SOL_SOCKET, SO_PASSCRED, optval, *len))
164 perror_msg_and_fail("setsockopt");
165 printf("setsockopt(%d<UNIX:[%lu]>, SOL_SOCKET, SO_PASSCRED"
166 ", [%u], %u) = 0\n",
167 connect_fd, connect_inode, *optval, (unsigned) *len);
168
169 memset(listen_sa, 0, sizeof(addr));
170 *len = sizeof(addr);
171 if (getsockname(listen_fd, listen_sa, len))
172 perror_msg_and_fail("getsockname");
173 printf("getsockname(%d<UNIX:[%lu,\"%s\"]>, {sa_family=AF_UNIX"
174 ", sun_path=\"%s\"}, [%d->%d]) = 0\n", listen_fd, listen_inode,
175 TEST_SOCKET, TEST_SOCKET, (int) sizeof(addr), (int) *len);
176
177 if (connect(connect_fd, listen_sa, *len))
178 perror_msg_and_fail("connect");
179 printf("connect(%d<UNIX:[%lu]>, {sa_family=AF_UNIX"
180 ", sun_path=\"%s\"}, %u) = 0\n",
181 connect_fd, connect_inode, TEST_SOCKET, (unsigned) *len);
182
183 memset(accept_sa, 0, sizeof(addr));
184 *len = sizeof(addr);
185 accept_fd = do_accept(listen_fd, accept_sa, len);
186 if (accept_fd < 0)
187 perror_msg_and_fail("accept");
188 accept_inode = inode_of_sockfd(accept_fd);
189 const char * const sun_path1 =
190 ((struct sockaddr_un *) accept_sa)->sun_path + 1;
191 printf("accept(%d<UNIX:[%lu,\"%s\"]>, {sa_family=AF_UNIX"
192 ", sun_path=@\"%s\"}, [%d->%d]) = %d<UNIX:[%lu->%lu,\"%s\"]>\n",
193 listen_fd, listen_inode, TEST_SOCKET, sun_path1,
194 (int) sizeof(addr), (int) *len,
195 accept_fd, accept_inode, connect_inode, TEST_SOCKET);
196
197 memset(listen_sa, 0, sizeof(addr));
198 *len = sizeof(addr);
199 if (getpeername(connect_fd, listen_sa, len))
200 perror_msg_and_fail("getpeername");
201 printf("getpeername(%d<UNIX:[%lu->%lu,@\"%s\"]>, {sa_family=AF_UNIX"
202 ", sun_path=\"%s\"}, [%d->%d]) = 0\n", connect_fd, connect_inode,
203 accept_inode, sun_path1, TEST_SOCKET, (int) sizeof(addr), (int) *len);
204
205 assert(sendto(connect_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, 0)
206 == sizeof(text) - 1);
207 printf("sendto(%d<UNIX:[%lu->%lu,@\"%s\"]>, \"%s\", %u, MSG_DONTWAIT"
208 ", NULL, 0) = %u\n",
209 connect_fd, connect_inode, accept_inode, sun_path1, text,
210 (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);
211
212 assert(recvfrom(accept_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, NULL)
213 == sizeof(text) - 1);
214 printf("recvfrom(%d<UNIX:[%lu->%lu,\"%s\"]>, \"%s\", %u, MSG_DONTWAIT"
215 ", NULL, NULL) = %u\n",
216 accept_fd, accept_inode, connect_inode, TEST_SOCKET, text,
217 (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);
218
219 assert(close(connect_fd) == 0);
220 printf("close(%d<UNIX:[%lu->%lu,@\"%s\"]>) = 0\n",
221 connect_fd, connect_inode, accept_inode, sun_path1);
222
223 assert(close(accept_fd) == 0);
224 printf("close(%d<UNIX:[%lu->%lu,\"%s\"]>) = 0\n",
225 accept_fd, accept_inode, connect_inode, TEST_SOCKET);
226
227 assert(unlink(TEST_SOCKET) == 0);
228
229 assert(close(listen_fd) == 0);
230 printf("close(%d<UNIX:[%lu,\"%s\"]>) = 0\n",
231 listen_fd, listen_inode, TEST_SOCKET);
232
233 puts("+++ exited with 0 +++");
234 return 0;
235 }
236