1 /*
2 * This file is part of net-yy-unix strace test.
3 *
4 * Copyright (c) 2013-2016 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 int
main(int ac,const char ** av)42 main(int ac, const char **av)
43 {
44 assert(ac == 2);
45
46 struct sockaddr_un addr = { .sun_family = AF_UNIX };
47 unsigned int sun_path_len = strlen(av[1]);
48 assert(sun_path_len > 0 && sun_path_len <= sizeof(addr.sun_path));
49 strncpy(addr.sun_path, av[1], sizeof(addr.sun_path));
50 struct sockaddr * const listen_sa = tail_memdup(&addr, sizeof(addr));
51
52 socklen_t * const len = tail_alloc(sizeof(socklen_t));
53 *len = offsetof(struct sockaddr_un, sun_path) + strlen(av[1]) + 1;
54 if (*len > sizeof(addr))
55 *len = sizeof(addr);
56
57 int listen_fd = socket(AF_UNIX, SOCK_STREAM, 0);
58 if (listen_fd < 0)
59 perror_msg_and_skip("socket");
60 unsigned long listen_inode = inode_of_sockfd(listen_fd);
61 printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<UNIX:[%lu]>\n",
62 listen_fd, listen_inode);
63
64 (void) unlink(av[1]);
65 if (bind(listen_fd, listen_sa, *len))
66 perror_msg_and_skip("bind");
67 printf("bind(%d<UNIX:[%lu]>, {sa_family=AF_UNIX, sun_path=\"%s\"}"
68 ", %u) = 0\n", listen_fd, listen_inode, av[1], (unsigned) *len);
69
70 if (listen(listen_fd, 1))
71 perror_msg_and_skip("listen");
72 printf("listen(%d<UNIX:[%lu,\"%s\"]>, 1) = 0\n",
73 listen_fd, listen_inode, av[1]);
74
75 unsigned int * const optval = tail_alloc(sizeof(unsigned int));
76 *len = sizeof(*optval);
77 if (getsockopt(listen_fd, SOL_SOCKET, SO_PASSCRED, optval, len))
78 perror_msg_and_fail("getsockopt");
79 printf("getsockopt(%d<UNIX:[%lu,\"%s\"]>, SOL_SOCKET, SO_PASSCRED"
80 ", [%u], [%u]) = 0\n",
81 listen_fd, listen_inode, av[1], *optval, (unsigned) *len);
82
83 memset(listen_sa, 0, sizeof(addr));
84 *len = sizeof(addr);
85 if (getsockname(listen_fd, listen_sa, len))
86 perror_msg_and_fail("getsockname");
87 printf("getsockname(%d<UNIX:[%lu,\"%s\"]>, {sa_family=AF_UNIX"
88 ", sun_path=\"%s\"}, [%d->%d]) = 0\n", listen_fd, listen_inode,
89 av[1], av[1], (int) sizeof(addr), (int) *len);
90
91 int connect_fd = socket(AF_UNIX, SOCK_STREAM, 0);
92 if (connect_fd < 0)
93 perror_msg_and_fail("socket");
94 unsigned long connect_inode = inode_of_sockfd(connect_fd);
95 printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<UNIX:[%lu]>\n",
96 connect_fd, connect_inode);
97
98 if (connect(connect_fd, listen_sa, *len))
99 perror_msg_and_fail("connect");
100 printf("connect(%d<UNIX:[%lu]>, {sa_family=AF_UNIX"
101 ", sun_path=\"%s\"}, %u) = 0\n",
102 connect_fd, connect_inode, av[1], (unsigned) *len);
103
104 struct sockaddr * const accept_sa = tail_alloc(sizeof(addr));
105 memset(accept_sa, 0, sizeof(addr));
106 *len = sizeof(addr);
107 int accept_fd = accept(listen_fd, accept_sa, len);
108 if (accept_fd < 0)
109 perror_msg_and_fail("accept");
110 unsigned long accept_inode = inode_of_sockfd(accept_fd);
111 printf("accept(%d<UNIX:[%lu,\"%s\"]>, {sa_family=AF_UNIX}"
112 ", [%d->%d]) = %d<UNIX:[%lu->%lu,\"%s\"]>\n",
113 listen_fd, listen_inode, av[1], (int) sizeof(addr), (int) *len,
114 accept_fd, accept_inode, connect_inode, av[1]);
115
116 memset(listen_sa, 0, sizeof(addr));
117 *len = sizeof(addr);
118 if (getpeername(connect_fd, listen_sa, len))
119 perror_msg_and_fail("getpeername");
120 printf("getpeername(%d<UNIX:[%lu->%lu]>, {sa_family=AF_UNIX"
121 ", sun_path=\"%s\"}, [%d->%d]) = 0\n",
122 connect_fd, connect_inode,
123 accept_inode, av[1], (int) sizeof(addr), (int) *len);
124
125 char text[] = "text";
126 assert(sendto(connect_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, 0)
127 == sizeof(text) - 1);
128 printf("sendto(%d<UNIX:[%lu->%lu]>, \"%s\", %u, MSG_DONTWAIT"
129 ", NULL, 0) = %u\n",
130 connect_fd, connect_inode, accept_inode, text,
131 (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);
132
133 assert(recvfrom(accept_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, NULL)
134 == sizeof(text) - 1);
135 printf("recvfrom(%d<UNIX:[%lu->%lu,\"%s\"]>, \"%s\", %u, MSG_DONTWAIT"
136 ", NULL, NULL) = %u\n",
137 accept_fd, accept_inode, connect_inode, av[1], text,
138 (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);
139
140 assert(close(connect_fd) == 0);
141 printf("close(%d<UNIX:[%lu->%lu]>) = 0\n",
142 connect_fd, connect_inode, accept_inode);
143
144 assert(close(accept_fd) == 0);
145 printf("close(%d<UNIX:[%lu->%lu,\"%s\"]>) = 0\n",
146 accept_fd, accept_inode, connect_inode, av[1]);
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<UNIX:[%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<UNIX:[%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<UNIX:[%lu,\"%s\"]>, {sa_family=AF_UNIX"
168 ", sun_path=\"%s\"}, [%d->%d]) = 0\n", listen_fd, listen_inode,
169 av[1], av[1], (int) sizeof(addr), (int) *len);
170
171 if (connect(connect_fd, listen_sa, *len))
172 perror_msg_and_fail("connect");
173 printf("connect(%d<UNIX:[%lu]>, {sa_family=AF_UNIX"
174 ", sun_path=\"%s\"}, %u) = 0\n",
175 connect_fd, connect_inode, av[1], (unsigned) *len);
176
177 memset(accept_sa, 0, sizeof(addr));
178 *len = sizeof(addr);
179 accept_fd = accept(listen_fd, accept_sa, len);
180 if (accept_fd < 0)
181 perror_msg_and_fail("accept");
182 accept_inode = inode_of_sockfd(accept_fd);
183 const char * const sun_path1 =
184 ((struct sockaddr_un *) accept_sa) -> sun_path + 1;
185 printf("accept(%d<UNIX:[%lu,\"%s\"]>, {sa_family=AF_UNIX"
186 ", sun_path=@\"%s\"}, [%d->%d]) = %d<UNIX:[%lu->%lu,\"%s\"]>\n",
187 listen_fd, listen_inode, av[1], sun_path1,
188 (int) sizeof(addr), (int) *len,
189 accept_fd, accept_inode, connect_inode, av[1]);
190
191 memset(listen_sa, 0, sizeof(addr));
192 *len = sizeof(addr);
193 if (getpeername(connect_fd, listen_sa, len))
194 perror_msg_and_fail("getpeername");
195 printf("getpeername(%d<UNIX:[%lu->%lu,@\"%s\"]>, {sa_family=AF_UNIX"
196 ", sun_path=\"%s\"}, [%d->%d]) = 0\n", connect_fd, connect_inode,
197 accept_inode, sun_path1, av[1], (int) sizeof(addr), (int) *len);
198
199 assert(sendto(connect_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, 0)
200 == sizeof(text) - 1);
201 printf("sendto(%d<UNIX:[%lu->%lu,@\"%s\"]>, \"%s\", %u, MSG_DONTWAIT"
202 ", NULL, 0) = %u\n",
203 connect_fd, connect_inode, accept_inode, sun_path1, text,
204 (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);
205
206 assert(recvfrom(accept_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, NULL)
207 == sizeof(text) - 1);
208 printf("recvfrom(%d<UNIX:[%lu->%lu,\"%s\"]>, \"%s\", %u, MSG_DONTWAIT"
209 ", NULL, NULL) = %u\n",
210 accept_fd, accept_inode, connect_inode, av[1], text,
211 (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);
212
213 assert(close(connect_fd) == 0);
214 printf("close(%d<UNIX:[%lu->%lu,@\"%s\"]>) = 0\n",
215 connect_fd, connect_inode, accept_inode, sun_path1);
216
217 assert(close(accept_fd) == 0);
218 printf("close(%d<UNIX:[%lu->%lu,\"%s\"]>) = 0\n",
219 accept_fd, accept_inode, connect_inode, av[1]);
220
221 assert(unlink(av[1]) == 0);
222
223 assert(close(listen_fd) == 0);
224 printf("close(%d<UNIX:[%lu,\"%s\"]>) = 0\n",
225 listen_fd, listen_inode, av[1]);
226
227 puts("+++ exited with 0 +++");
228 return 0;
229 }
230