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);
ATF_TC_HEAD(clearenv_basic,tc)50 ATF_TC_HEAD(clearenv_basic, tc)
51 {
52 atf_tc_set_md_var(tc, "descr",
53 "Test user clearing environment directly");
54 }
55
ATF_TC_BODY(clearenv_basic,tc)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);
ATF_TC_HEAD(getenv_basic,tc)80 ATF_TC_HEAD(getenv_basic, tc)
81 {
82 atf_tc_set_md_var(tc, "descr",
83 "Test setenv(3), getenv(3)");
84 }
85
ATF_TC_BODY(getenv_basic,tc)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);
ATF_TC_HEAD(putenv_basic,tc)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
ATF_TC_BODY(putenv_basic,tc)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);
ATF_TC_HEAD(setenv_basic,tc)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
ATF_TC_BODY(setenv_basic,tc)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);
ATF_TC_HEAD(setenv_mixed,tc)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
ATF_TC_BODY(setenv_mixed,tc)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
ATF_TP_ADD_TCS(tp)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