1 /* $NetBSD: t_getenv.c,v 1.3 2015/02/27 08:55:35 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 2010 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Christos Zoulas 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in 18 * the documentation and/or other materials provided with the 19 * distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 __RCSID("$NetBSD: t_getenv.c,v 1.3 2015/02/27 08:55:35 martin Exp $"); 37 38 #include <atf-c.h> 39 #include <errno.h> 40 #include <stdio.h> 41 #include <stdlib.h> 42 #include <string.h> 43 #ifdef __FreeBSD__ 44 #include <signal.h> 45 #endif 46 47 extern char **environ; 48 49 ATF_TC(clearenv_basic); 50 ATF_TC_HEAD(clearenv_basic, tc) 51 { 52 atf_tc_set_md_var(tc, "descr", 53 "Test user clearing environment directly"); 54 } 55 56 ATF_TC_BODY(clearenv_basic, tc) 57 { 58 char name[1024], value[1024]; 59 60 for (size_t i = 0; i < 1024; i++) { 61 snprintf(name, sizeof(name), "crap%zu", i); 62 snprintf(value, sizeof(value), "%zu", i); 63 ATF_CHECK(setenv(name, value, 1) != -1); 64 } 65 66 *environ = NULL; 67 68 for (size_t i = 0; i < 1; i++) { 69 snprintf(name, sizeof(name), "crap%zu", i); 70 snprintf(value, sizeof(value), "%zu", i); 71 ATF_CHECK(setenv(name, value, 1) != -1); 72 } 73 74 ATF_CHECK_STREQ(getenv("crap0"), "0"); 75 ATF_CHECK(getenv("crap1") == NULL); 76 ATF_CHECK(getenv("crap2") == NULL); 77 } 78 79 ATF_TC(getenv_basic); 80 ATF_TC_HEAD(getenv_basic, tc) 81 { 82 atf_tc_set_md_var(tc, "descr", 83 "Test setenv(3), getenv(3)"); 84 } 85 86 ATF_TC_BODY(getenv_basic, tc) 87 { 88 ATF_CHECK(setenv("EVIL", "very=bad", 1) != -1); 89 ATF_CHECK_STREQ(getenv("EVIL"), "very=bad"); 90 ATF_CHECK(getenv("EVIL=very") == NULL); 91 ATF_CHECK(unsetenv("EVIL") != -1); 92 } 93 94 ATF_TC(putenv_basic); 95 ATF_TC_HEAD(putenv_basic, tc) 96 { 97 atf_tc_set_md_var(tc, "descr", 98 "Test putenv(3), getenv(3), unsetenv(3)"); 99 } 100 101 102 ATF_TC_BODY(putenv_basic, tc) 103 { 104 char string[1024]; 105 106 snprintf(string, sizeof(string), "crap=true"); 107 ATF_CHECK(putenv(string) != -1); 108 ATF_CHECK_STREQ(getenv("crap"), "true"); 109 string[1] = 'l'; 110 ATF_CHECK_STREQ(getenv("clap"), "true"); 111 ATF_CHECK(getenv("crap") == NULL); 112 string[1] = 'r'; 113 ATF_CHECK(unsetenv("crap") != -1); 114 ATF_CHECK(getenv("crap") == NULL); 115 116 ATF_CHECK_ERRNO(EINVAL, putenv(NULL) == -1); 117 ATF_CHECK_ERRNO(EINVAL, putenv(__UNCONST("val")) == -1); 118 ATF_CHECK_ERRNO(EINVAL, putenv(__UNCONST("=val")) == -1); 119 } 120 121 ATF_TC(setenv_basic); 122 ATF_TC_HEAD(setenv_basic, tc) 123 { 124 atf_tc_set_md_var(tc, "descr", 125 "Test setenv(3), getenv(3), unsetenv(3)"); 126 atf_tc_set_md_var(tc, "timeout", "600"); 127 } 128 129 ATF_TC_BODY(setenv_basic, tc) 130 { 131 const size_t numvars = 8192; 132 size_t i, offset; 133 char name[1024]; 134 char value[1024]; 135 136 offset = lrand48(); 137 for (i = 0; i < numvars; i++) { 138 (void)snprintf(name, sizeof(name), "var%zu", 139 (i * 7 + offset) % numvars); 140 (void)snprintf(value, sizeof(value), "value%ld", lrand48()); 141 ATF_CHECK(setenv(name, value, 1) != -1); 142 ATF_CHECK(setenv(name, "foo", 0) != -1); 143 ATF_CHECK_STREQ(getenv(name), value); 144 } 145 146 offset = lrand48(); 147 for (i = 0; i < numvars; i++) { 148 (void)snprintf(name, sizeof(name), "var%zu", 149 (i * 11 + offset) % numvars); 150 ATF_CHECK(unsetenv(name) != -1); 151 ATF_CHECK(getenv(name) == NULL); 152 ATF_CHECK(unsetenv(name) != -1); 153 } 154 155 ATF_CHECK_ERRNO(EINVAL, setenv(NULL, "val", 1) == -1); 156 ATF_CHECK_ERRNO(EINVAL, setenv("", "val", 1) == -1); 157 ATF_CHECK_ERRNO(EINVAL, setenv("v=r", "val", 1) == -1); 158 #ifdef __FreeBSD__ 159 /* 160 Both FreeBSD and OS/X does not validate the second 161 argument to setenv(3) 162 */ 163 atf_tc_expect_signal(SIGSEGV, "FreeBSD does not validate the second " 164 "argument to setenv(3); see bin/189805"); 165 #endif 166 167 ATF_CHECK_ERRNO(EINVAL, setenv("var", NULL, 1) == -1); 168 169 ATF_CHECK(setenv("var", "=val", 1) == 0); 170 ATF_CHECK_STREQ(getenv("var"), "=val"); 171 } 172 173 ATF_TC(setenv_mixed); 174 ATF_TC_HEAD(setenv_mixed, tc) 175 { 176 atf_tc_set_md_var(tc, "descr", 177 "Test mixing setenv(3), unsetenv(3) and putenv(3)"); 178 } 179 180 ATF_TC_BODY(setenv_mixed, tc) 181 { 182 char string[32]; 183 184 (void)strcpy(string, "mixedcrap=putenv"); 185 186 ATF_CHECK(setenv("mixedcrap", "setenv", 1) != -1); 187 ATF_CHECK_STREQ(getenv("mixedcrap"), "setenv"); 188 ATF_CHECK(putenv(string) != -1); 189 ATF_CHECK_STREQ(getenv("mixedcrap"), "putenv"); 190 ATF_CHECK(unsetenv("mixedcrap") != -1); 191 ATF_CHECK(getenv("mixedcrap") == NULL); 192 193 ATF_CHECK(putenv(string) != -1); 194 ATF_CHECK_STREQ(getenv("mixedcrap"), "putenv"); 195 ATF_CHECK(setenv("mixedcrap", "setenv", 1) != -1); 196 ATF_CHECK_STREQ(getenv("mixedcrap"), "setenv"); 197 ATF_CHECK(unsetenv("mixedcrap") != -1); 198 ATF_CHECK(getenv("mixedcrap") == NULL); 199 } 200 201 ATF_TP_ADD_TCS(tp) 202 { 203 204 ATF_TP_ADD_TC(tp, clearenv_basic); 205 ATF_TP_ADD_TC(tp, getenv_basic); 206 ATF_TP_ADD_TC(tp, putenv_basic); 207 ATF_TP_ADD_TC(tp, setenv_basic); 208 ATF_TP_ADD_TC(tp, setenv_mixed); 209 210 return atf_no_error(); 211 } 212