1 /*
2 * This file is part of execveat strace test.
3 *
4 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
5 * Copyright (c) 2015-2017 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 <asm/unistd.h>
33 #include "scno.h"
34
35 #ifdef __NR_execveat
36
37 # include <stdio.h>
38 # include <unistd.h>
39
40 # define FILENAME "test.execveat\nfilename"
41 # define Q_FILENAME "test.execveat\\nfilename"
42
43 static const char * const argv[] = {
44 FILENAME, "first", "second", (const char *) -1L,
45 (const char *) -2L, (const char *) -3L
46 };
47 static const char * const q_argv[] = {
48 Q_FILENAME, "first", "second"
49 };
50
51 static const char * const envp[] = {
52 "foobar=1", "foo\nbar=2", (const char *) -1L,
53 (const char *) -2L, (const char *) -3L
54 };
55 static const char * const q_envp[] = {
56 "foobar=1", "foo\\nbar=2"
57 };
58
59 int
main(void)60 main(void)
61 {
62 const char ** const tail_argv = tail_memdup(argv, sizeof(argv));
63 const char ** const tail_envp = tail_memdup(envp, sizeof(envp));
64
65 syscall(__NR_execveat, -100, FILENAME, tail_argv, tail_envp, 0x1100);
66 printf("execveat(AT_FDCWD, \"%s\""
67 ", [\"%s\", \"%s\", \"%s\", %p, %p, %p, ???]"
68 #if VERBOSE
69 ", [\"%s\", \"%s\", %p, %p, %p, ???]"
70 #else
71 ", %p /* 5 vars, unterminated */"
72 #endif
73 ", AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
74 Q_FILENAME, q_argv[0], q_argv[1], q_argv[2],
75 argv[3], argv[4], argv[5],
76 #if VERBOSE
77 q_envp[0], q_envp[1], envp[2], envp[3], envp[4],
78 #else
79 tail_envp,
80 #endif
81 errno2name());
82
83 tail_argv[ARRAY_SIZE(q_argv)] = NULL;
84 tail_envp[ARRAY_SIZE(q_envp)] = NULL;
85
86 syscall(__NR_execveat, -100, FILENAME, tail_argv, tail_envp, 0x1100);
87 printf("execveat(AT_FDCWD, \"%s\", [\"%s\", \"%s\", \"%s\"]"
88 #if VERBOSE
89 ", [\"%s\", \"%s\"]"
90 #else
91 ", %p /* 2 vars */"
92 #endif
93 ", AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
94 Q_FILENAME, q_argv[0], q_argv[1], q_argv[2],
95 #if VERBOSE
96 q_envp[0], q_envp[1],
97 #else
98 tail_envp,
99 #endif
100 errno2name());
101
102 syscall(__NR_execveat, -100, FILENAME, tail_argv + 2, tail_envp + 1, 0x1100);
103 printf("execveat(AT_FDCWD, \"%s\", [\"%s\"]"
104 #if VERBOSE
105 ", [\"%s\"]"
106 #else
107 ", %p /* 1 var */"
108 #endif
109 ", AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
110 Q_FILENAME, q_argv[2],
111 #if VERBOSE
112 q_envp[1],
113 #else
114 tail_envp + 1,
115 #endif
116 errno2name());
117
118 TAIL_ALLOC_OBJECT_CONST_PTR(char *, empty);
119 char **const efault = empty + 1;
120 *empty = NULL;
121
122 syscall(__NR_execveat, -100, FILENAME, empty, empty, 0x1100);
123 printf("execveat(AT_FDCWD, \"%s\", []"
124 #if VERBOSE
125 ", []"
126 #else
127 ", %p /* 0 vars */"
128 #endif
129 ", AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
130 Q_FILENAME,
131 #if !VERBOSE
132 empty,
133 #endif
134 errno2name());
135
136 char *const str_a = tail_alloc(DEFAULT_STRLEN + 2);
137 fill_memory_ex(str_a, DEFAULT_STRLEN + 1, '0', 10);
138 str_a[DEFAULT_STRLEN + 1] = '\0';
139
140 char *const str_b = tail_alloc(DEFAULT_STRLEN + 2);
141 fill_memory_ex(str_b, DEFAULT_STRLEN + 1, '_', 32);
142 str_b[DEFAULT_STRLEN + 1] = '\0';
143
144 char **const a = tail_alloc(sizeof(*a) * (DEFAULT_STRLEN + 2));
145 char **const b = tail_alloc(sizeof(*b) * (DEFAULT_STRLEN + 2));
146 unsigned int i;
147 for (i = 0; i <= DEFAULT_STRLEN; ++i) {
148 a[i] = &str_a[i];
149 b[i] = &str_b[i];
150 }
151 a[i] = b[i] = NULL;
152
153 syscall(__NR_execveat, -100, FILENAME, a, b, 0x1100);
154 printf("execveat(AT_FDCWD, \"%s\", [\"%.*s\"...", Q_FILENAME, DEFAULT_STRLEN, a[0]);
155 for (i = 1; i < DEFAULT_STRLEN; ++i)
156 printf(", \"%s\"", a[i]);
157 #if VERBOSE
158 printf(", \"%s\"", a[i]);
159 #else
160 printf(", ...");
161 #endif
162 #if VERBOSE
163 printf("], [\"%.*s\"...", DEFAULT_STRLEN, b[0]);
164 for (i = 1; i <= DEFAULT_STRLEN; ++i)
165 printf(", \"%s\"", b[i]);
166 printf("]");
167 #else
168 printf("], %p /* %u vars */", b, DEFAULT_STRLEN + 1);
169 #endif
170 printf(", AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
171 errno2name());
172
173 syscall(__NR_execveat, -100, FILENAME, a + 1, b + 1, 0x1100);
174 printf("execveat(AT_FDCWD, \"%s\", [\"%s\"", Q_FILENAME, a[1]);
175 for (i = 2; i <= DEFAULT_STRLEN; ++i)
176 printf(", \"%s\"", a[i]);
177 #if VERBOSE
178 printf("], [\"%s\"", b[1]);
179 for (i = 2; i <= DEFAULT_STRLEN; ++i)
180 printf(", \"%s\"", b[i]);
181 printf("]");
182 #else
183 printf("], %p /* %d vars */", b + 1, DEFAULT_STRLEN);
184 #endif
185 printf(", AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
186 errno2name());
187
188 syscall(__NR_execveat, -100, FILENAME, NULL, efault, 0x1100);
189 printf("execveat(AT_FDCWD, \"%s\", NULL, %p"
190 ", AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
191 Q_FILENAME, efault, errno2name());
192
193 syscall(__NR_execveat, -100, FILENAME, efault, NULL, 0x1100);
194 printf("execveat(AT_FDCWD, \"%s\", %p, NULL"
195 ", AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
196 Q_FILENAME, efault, errno2name());
197
198 puts("+++ exited with 0 +++");
199 return 0;
200 }
201
202 #else
203
204 SKIP_MAIN_UNDEFINED("__NR_execveat")
205
206 #endif
207