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
44 extern char **environ;
45
46 ATF_TC(clearenv_basic);
ATF_TC_HEAD(clearenv_basic,tc)47 ATF_TC_HEAD(clearenv_basic, tc)
48 {
49 atf_tc_set_md_var(tc, "descr",
50 "Test user clearing environment directly");
51 }
52
ATF_TC_BODY(clearenv_basic,tc)53 ATF_TC_BODY(clearenv_basic, tc)
54 {
55 char name[1024], value[1024];
56
57 for (size_t i = 0; i < 1024; i++) {
58 snprintf(name, sizeof(name), "crap%zu", i);
59 snprintf(value, sizeof(value), "%zu", i);
60 ATF_CHECK(setenv(name, value, 1) != -1);
61 }
62
63 *environ = NULL;
64
65 for (size_t i = 0; i < 1; i++) {
66 snprintf(name, sizeof(name), "crap%zu", i);
67 snprintf(value, sizeof(value), "%zu", i);
68 ATF_CHECK(setenv(name, value, 1) != -1);
69 }
70
71 ATF_CHECK_STREQ(getenv("crap0"), "0");
72 ATF_CHECK(getenv("crap1") == NULL);
73 ATF_CHECK(getenv("crap2") == NULL);
74 }
75
76 ATF_TC(getenv_basic);
ATF_TC_HEAD(getenv_basic,tc)77 ATF_TC_HEAD(getenv_basic, tc)
78 {
79 atf_tc_set_md_var(tc, "descr",
80 "Test setenv(3), getenv(3)");
81 }
82
ATF_TC_BODY(getenv_basic,tc)83 ATF_TC_BODY(getenv_basic, tc)
84 {
85 ATF_CHECK(setenv("EVIL", "very=bad", 1) != -1);
86 ATF_CHECK_STREQ(getenv("EVIL"), "very=bad");
87 ATF_CHECK(getenv("EVIL=very") == NULL);
88 ATF_CHECK(unsetenv("EVIL") != -1);
89 }
90
91 ATF_TC(putenv_basic);
ATF_TC_HEAD(putenv_basic,tc)92 ATF_TC_HEAD(putenv_basic, tc)
93 {
94 atf_tc_set_md_var(tc, "descr",
95 "Test putenv(3), getenv(3), unsetenv(3)");
96 }
97
98
ATF_TC_BODY(putenv_basic,tc)99 ATF_TC_BODY(putenv_basic, tc)
100 {
101 char string[1024];
102
103 snprintf(string, sizeof(string), "crap=true");
104 ATF_CHECK(putenv(string) != -1);
105 ATF_CHECK_STREQ(getenv("crap"), "true");
106 string[1] = 'l';
107 ATF_CHECK_STREQ(getenv("clap"), "true");
108 ATF_CHECK(getenv("crap") == NULL);
109 string[1] = 'r';
110 ATF_CHECK(unsetenv("crap") != -1);
111 ATF_CHECK(getenv("crap") == NULL);
112
113 ATF_CHECK_ERRNO(EINVAL, putenv(NULL) == -1);
114 ATF_CHECK_ERRNO(EINVAL, putenv(__UNCONST("val")) == -1);
115 ATF_CHECK_ERRNO(EINVAL, putenv(__UNCONST("=val")) == -1);
116 }
117
118 ATF_TC(setenv_basic);
ATF_TC_HEAD(setenv_basic,tc)119 ATF_TC_HEAD(setenv_basic, tc)
120 {
121 atf_tc_set_md_var(tc, "descr",
122 "Test setenv(3), getenv(3), unsetenv(3)");
123 atf_tc_set_md_var(tc, "timeout", "600");
124 }
125
ATF_TC_BODY(setenv_basic,tc)126 ATF_TC_BODY(setenv_basic, tc)
127 {
128 const size_t numvars = 8192;
129 size_t i, offset;
130 char name[1024];
131 char value[1024];
132
133 offset = lrand48();
134 for (i = 0; i < numvars; i++) {
135 (void)snprintf(name, sizeof(name), "var%zu",
136 (i * 7 + offset) % numvars);
137 (void)snprintf(value, sizeof(value), "value%ld", lrand48());
138 ATF_CHECK(setenv(name, value, 1) != -1);
139 ATF_CHECK(setenv(name, "foo", 0) != -1);
140 ATF_CHECK_STREQ(getenv(name), value);
141 }
142
143 offset = lrand48();
144 for (i = 0; i < numvars; i++) {
145 (void)snprintf(name, sizeof(name), "var%zu",
146 (i * 11 + offset) % numvars);
147 ATF_CHECK(unsetenv(name) != -1);
148 ATF_CHECK(getenv(name) == NULL);
149 ATF_CHECK(unsetenv(name) != -1);
150 }
151
152 ATF_CHECK_ERRNO(EINVAL, setenv(NULL, "val", 1) == -1);
153 ATF_CHECK_ERRNO(EINVAL, setenv("", "val", 1) == -1);
154 ATF_CHECK_ERRNO(EINVAL, setenv("v=r", "val", 1) == -1);
155 ATF_CHECK_ERRNO(EINVAL, setenv("var", NULL, 1) == -1);
156
157 ATF_CHECK(setenv("var", "=val", 1) == 0);
158 ATF_CHECK_STREQ(getenv("var"), "=val");
159 }
160
161 ATF_TC(setenv_mixed);
ATF_TC_HEAD(setenv_mixed,tc)162 ATF_TC_HEAD(setenv_mixed, tc)
163 {
164 atf_tc_set_md_var(tc, "descr",
165 "Test mixing setenv(3), unsetenv(3) and putenv(3)");
166 }
167
ATF_TC_BODY(setenv_mixed,tc)168 ATF_TC_BODY(setenv_mixed, tc)
169 {
170 char string[32];
171
172 (void)strcpy(string, "mixedcrap=putenv");
173
174 ATF_CHECK(setenv("mixedcrap", "setenv", 1) != -1);
175 ATF_CHECK_STREQ(getenv("mixedcrap"), "setenv");
176 ATF_CHECK(putenv(string) != -1);
177 ATF_CHECK_STREQ(getenv("mixedcrap"), "putenv");
178 ATF_CHECK(unsetenv("mixedcrap") != -1);
179 ATF_CHECK(getenv("mixedcrap") == NULL);
180
181 ATF_CHECK(putenv(string) != -1);
182 ATF_CHECK_STREQ(getenv("mixedcrap"), "putenv");
183 ATF_CHECK(setenv("mixedcrap", "setenv", 1) != -1);
184 ATF_CHECK_STREQ(getenv("mixedcrap"), "setenv");
185 ATF_CHECK(unsetenv("mixedcrap") != -1);
186 ATF_CHECK(getenv("mixedcrap") == NULL);
187 }
188
ATF_TP_ADD_TCS(tp)189 ATF_TP_ADD_TCS(tp)
190 {
191
192 ATF_TP_ADD_TC(tp, clearenv_basic);
193 ATF_TP_ADD_TC(tp, getenv_basic);
194 ATF_TP_ADD_TC(tp, putenv_basic);
195 ATF_TP_ADD_TC(tp, setenv_basic);
196 ATF_TP_ADD_TC(tp, setenv_mixed);
197
198 return atf_no_error();
199 }
200