1 /* 2 * This file is part of execve strace test. 3 * 4 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv (at) 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 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
