2 * Check decoding of sockname family syscalls.
4 * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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37 #include <sys/socket.h>
40 #ifndef TEST_SYSCALL_NAME
41 # error TEST_SYSCALL_NAME must be defined
44 #define TEST_SYSCALL_STR__(a) #a
45 #define TEST_SYSCALL_STR_(a) TEST_SYSCALL_STR__(a)
46 #define TEST_SYSCALL_STR TEST_SYSCALL_STR_(TEST_SYSCALL_NAME)
47 #define TEST_SOCKET TEST_SYSCALL_STR ".socket"
49 #ifdef TEST_SYSCALL_PREPARE
50 # define PREPARE_TEST_SYSCALL_INVOCATION do { TEST_SYSCALL_PREPARE; } while (0)
52 # define PREPARE_TEST_SYSCALL_INVOCATION do {} while (0)
56 # define PREFIX_S_ARGS
59 # define PREFIX_F_ARGS
62 # define PREFIX_S_STR ""
65 # define PREFIX_F_STR ""
71 # define SUFFIX_STR ""
75 test_sockname_syscall(const int fd)
77 socklen_t *const plen = tail_alloc(sizeof(*plen));
78 *plen = sizeof(struct sockaddr_un);
79 struct sockaddr_un *addr = tail_alloc(*plen);
81 PREPARE_TEST_SYSCALL_INVOCATION;
82 int rc = TEST_SYSCALL_NAME(fd PREFIX_S_ARGS, (void *) addr,
85 perror_msg_and_skip(TEST_SYSCALL_STR);
86 printf("%s(%d%s, {sa_family=AF_UNIX, sun_path=\"%s\"}"
87 ", [%d->%d]%s) = %d\n",
88 TEST_SYSCALL_STR, fd, PREFIX_S_STR, addr->sun_path,
89 (int) sizeof(struct sockaddr_un), (int) *plen, SUFFIX_STR, rc);
91 memset(addr, 0, sizeof(*addr));
92 PREPARE_TEST_SYSCALL_INVOCATION;
93 rc = TEST_SYSCALL_NAME(fd PREFIX_S_ARGS, (void *) addr,
96 perror_msg_and_skip(TEST_SYSCALL_STR);
97 printf("%s(%d%s, {sa_family=AF_UNIX, sun_path=\"%s\"}"
99 TEST_SYSCALL_STR, fd, PREFIX_S_STR, addr->sun_path,
100 (int) *plen, SUFFIX_STR, rc);
102 PREPARE_TEST_SYSCALL_INVOCATION;
103 rc = TEST_SYSCALL_NAME(fd PREFIX_F_ARGS, (void *) addr, 0 SUFFIX_ARGS);
104 printf("%s(%d%s, %p, NULL%s) = %s\n",
105 TEST_SYSCALL_STR, fd, PREFIX_F_STR, addr, SUFFIX_STR,
108 PREPARE_TEST_SYSCALL_INVOCATION;
109 rc = TEST_SYSCALL_NAME(fd PREFIX_S_ARGS, 0, 0 SUFFIX_ARGS);
110 printf("%s(%d%s, NULL, NULL%s) = %s\n",
111 TEST_SYSCALL_STR, fd, rc == -1 ? PREFIX_F_STR : PREFIX_S_STR,
112 SUFFIX_STR, sprintrc(rc));
114 PREPARE_TEST_SYSCALL_INVOCATION;
115 rc = TEST_SYSCALL_NAME(fd PREFIX_F_ARGS, (void *) addr,
116 plen + 1 SUFFIX_ARGS);
117 printf("%s(%d%s, %p, %p%s) = %s\n",
118 TEST_SYSCALL_STR, fd, PREFIX_F_STR, addr,
119 plen + 1, SUFFIX_STR, sprintrc(rc));
121 const size_t offsetof_sun_path = offsetof(struct sockaddr_un, sun_path);
122 *plen = offsetof_sun_path;
123 memset(addr->sun_path, 'A', sizeof(addr->sun_path));
125 PREPARE_TEST_SYSCALL_INVOCATION;
126 rc = TEST_SYSCALL_NAME(fd PREFIX_S_ARGS, (void *) addr,
129 perror_msg_and_skip(TEST_SYSCALL_STR);
130 printf("%s(%d%s, {sa_family=AF_UNIX}, [%d->%d]%s) = %d\n",
131 TEST_SYSCALL_STR, fd, PREFIX_S_STR,
132 (int) offsetof_sun_path, (int) *plen, SUFFIX_STR, rc);
135 *plen = sizeof(struct sockaddr);
136 addr = (void *) addr - *plen;
138 PREPARE_TEST_SYSCALL_INVOCATION;
139 rc = TEST_SYSCALL_NAME(fd PREFIX_S_ARGS, (void *) addr,
142 perror_msg_and_skip(TEST_SYSCALL_STR);
143 printf("%s(%d%s, {sa_family=AF_UNIX, sun_path=\"%.*s\"}"
144 ", [%d->%d]%s) = %d\n",
145 TEST_SYSCALL_STR, fd, PREFIX_S_STR,
146 (int) (sizeof(struct sockaddr) - offsetof_sun_path),
147 addr->sun_path, (int) sizeof(struct sockaddr),
148 (int) *plen, SUFFIX_STR, rc);
150 PREPARE_TEST_SYSCALL_INVOCATION;
151 rc = TEST_SYSCALL_NAME(fd PREFIX_F_ARGS, (void *) addr,
153 printf("%s(%d%s, %p, [%d]%s) = %s\n",
154 TEST_SYSCALL_STR, fd, PREFIX_F_STR, addr,
155 *plen, SUFFIX_STR, sprintrc(rc));