1 /*
2 * This file is part of execve strace test.
3 *
4 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
5 * Copyright (c) 2015-2018 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 <stdio.h>
33 #include <unistd.h>
34
35 #define FILENAME "test.execve\nfilename"
36 #define Q_FILENAME "test.execve\\nfilename"
37
38 static const char * const argv[] = {
39 FILENAME, "first", "second", (const char *) -1L,
40 (const char *) -2L, (const char *) -3L
41 };
42 static const char * const q_argv[] = {
43 Q_FILENAME, "first", "second"
44 };
45
46 static const char * const envp[] = {
47 "foobar=1", "foo\nbar=2", (const char *) -1L,
48 (const char *) -2L, (const char *) -3L
49 };
50 static const char * const q_envp[] = {
51 "foobar=1", "foo\\nbar=2"
52 };
53
54 int
main(void)55 main(void)
56 {
57 char ** const tail_argv = tail_memdup(argv, sizeof(argv));
58 char ** const tail_envp = tail_memdup(envp, sizeof(envp));
59
60 execve(FILENAME, tail_argv, tail_envp);
61 printf("execve(\"%s\""
62 ", [\"%s\", \"%s\", \"%s\", %p, %p, %p, ... /* %p */]"
63 #if VERBOSE
64 ", [\"%s\", \"%s\", %p, %p, %p, ... /* %p */]"
65 #else
66 ", %p /* 5 vars, unterminated */"
67 #endif
68 ") = -1 ENOENT (%m)\n",
69 Q_FILENAME, q_argv[0], q_argv[1], q_argv[2],
70 argv[3], argv[4], argv[5], (char *) tail_argv + sizeof(argv)
71 #if VERBOSE
72 , q_envp[0], q_envp[1], envp[2], envp[3], envp[4],
73 (char *) tail_envp + sizeof(envp)
74 #else
75 , tail_envp
76 #endif
77 );
78
79 tail_argv[ARRAY_SIZE(q_argv)] = NULL;
80 tail_envp[ARRAY_SIZE(q_envp)] = NULL;
81 (void) q_envp; /* workaround for clang bug #33068 */
82
83 execve(FILENAME, tail_argv, tail_envp);
84 printf("execve(\"%s\", [\"%s\", \"%s\", \"%s\"]"
85 #if VERBOSE
86 ", [\"%s\", \"%s\"]"
87 #else
88 ", %p /* 2 vars */"
89 #endif
90 ") = -1 ENOENT (%m)\n",
91 Q_FILENAME, q_argv[0], q_argv[1], q_argv[2]
92 #if VERBOSE
93 , q_envp[0], q_envp[1]
94 #else
95 , tail_envp
96 #endif
97 );
98
99 execve(FILENAME, tail_argv + 2, tail_envp + 1);
100 printf("execve(\"%s\", [\"%s\"]"
101 #if VERBOSE
102 ", [\"%s\"]"
103 #else
104 ", %p /* 1 var */"
105 #endif
106 ") = -1 ENOENT (%m)\n",
107 Q_FILENAME, q_argv[2]
108 #if VERBOSE
109 , q_envp[1]
110 #else
111 , tail_envp + 1
112 #endif
113 );
114
115 TAIL_ALLOC_OBJECT_CONST_PTR(char *, empty);
116 char **const efault = empty + 1;
117 *empty = NULL;
118
119 execve(FILENAME, empty, empty);
120 printf("execve(\"%s\", []"
121 #if VERBOSE
122 ", []"
123 #else
124 ", %p /* 0 vars */"
125 #endif
126 ") = -1 ENOENT (%m)\n", Q_FILENAME
127 #if !VERBOSE
128 , empty
129 #endif
130 );
131
132 char *const str_a = tail_alloc(DEFAULT_STRLEN + 2);
133 fill_memory_ex(str_a, DEFAULT_STRLEN + 1, '0', 10);
134 str_a[DEFAULT_STRLEN + 1] = '\0';
135
136 char *const str_b = tail_alloc(DEFAULT_STRLEN + 2);
137 fill_memory_ex(str_b, DEFAULT_STRLEN + 1, '_', 32);
138 str_b[DEFAULT_STRLEN + 1] = '\0';
139
140 char **const a = tail_alloc(sizeof(*a) * (DEFAULT_STRLEN + 2));
141 char **const b = tail_alloc(sizeof(*b) * (DEFAULT_STRLEN + 2));
142 unsigned int i;
143 for (i = 0; i <= DEFAULT_STRLEN; ++i) {
144 a[i] = &str_a[i];
145 b[i] = &str_b[i];
146 }
147 a[i] = b[i] = NULL;
148
149 execve(FILENAME, a, b);
150 printf("execve(\"%s\", [\"%.*s\"...", Q_FILENAME, DEFAULT_STRLEN, a[0]);
151 for (i = 1; i < DEFAULT_STRLEN; ++i)
152 printf(", \"%s\"", a[i]);
153 #if VERBOSE
154 printf(", \"%s\"", a[i]);
155 #else
156 printf(", ...");
157 #endif
158 #if VERBOSE
159 printf("], [\"%.*s\"...", DEFAULT_STRLEN, b[0]);
160 for (i = 1; i <= DEFAULT_STRLEN; ++i)
161 printf(", \"%s\"", b[i]);
162 printf("]");
163 #else
164 printf("], %p /* %u vars */", b, DEFAULT_STRLEN + 1);
165 #endif
166 printf(") = -1 ENOENT (%m)\n");
167
168 execve(FILENAME, a + 1, b + 1);
169 printf("execve(\"%s\", [\"%s\"", Q_FILENAME, a[1]);
170 for (i = 2; i <= DEFAULT_STRLEN; ++i)
171 printf(", \"%s\"", a[i]);
172 #if VERBOSE
173 printf("], [\"%s\"", b[1]);
174 for (i = 2; i <= DEFAULT_STRLEN; ++i)
175 printf(", \"%s\"", b[i]);
176 printf("]");
177 #else
178 printf("], %p /* %d vars */", b + 1, DEFAULT_STRLEN);
179 #endif
180 printf(") = -1 ENOENT (%m)\n");
181
182 execve(FILENAME, (char **) tail_argv[ARRAY_SIZE(q_argv)], efault);
183 printf("execve(\"%s\", NULL, %p) = -1 ENOENT (%m)\n",
184 Q_FILENAME, efault);
185
186 execve(FILENAME, efault, NULL);
187 printf("execve(\"%s\", %p, NULL) = -1 ENOENT (%m)\n",
188 Q_FILENAME, efault);
189
190 return 0;
191 }
192