1 /* $NetBSD: t_dlvsym.c,v 1.1 2011/06/25 05:45:13 nonaka Exp $ */
2
3 /*-
4 * Copyright (c) 2011 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by NONAKA Kimihiro.
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 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/types.h>
33
34 #include <atf-c.h>
35 #include <stdlib.h>
36 #include <dlfcn.h>
37
38 ATF_TC(rtld_dlvsym_v1);
ATF_TC_HEAD(rtld_dlvsym_v1,tc)39 ATF_TC_HEAD(rtld_dlvsym_v1, tc)
40 {
41 atf_tc_set_md_var(tc, "descr", "Check dlvsym() function (V_1)");
42 }
ATF_TC_BODY(rtld_dlvsym_v1,tc)43 ATF_TC_BODY(rtld_dlvsym_v1, tc)
44 {
45 void *handle;
46 char *error;
47 int (*sym)(void);
48 int result;
49
50 /* Clear previous error */
51 (void) dlerror();
52
53 handle = dlopen("libh_helper_symver_dso.so", RTLD_LAZY);
54 error = dlerror();
55 ATF_CHECK(error == NULL);
56 ATF_CHECK(handle != NULL);
57
58 sym = dlvsym(handle, "testfunc", "V_1");
59 error = dlerror();
60 ATF_CHECK(error == NULL);
61
62 result = (*sym)();
63 ATF_CHECK(result == 1);
64
65 dlclose(handle);
66 error = dlerror();
67 ATF_CHECK(error == NULL);
68 }
69
70 ATF_TC(rtld_dlvsym_v3);
ATF_TC_HEAD(rtld_dlvsym_v3,tc)71 ATF_TC_HEAD(rtld_dlvsym_v3, tc)
72 {
73 atf_tc_set_md_var(tc, "descr", "Check dlvsym() function (V_3)");
74 }
ATF_TC_BODY(rtld_dlvsym_v3,tc)75 ATF_TC_BODY(rtld_dlvsym_v3, tc)
76 {
77 void *handle;
78 char *error;
79 int (*sym)(void);
80 int result;
81
82 /* Clear previous error */
83 (void) dlerror();
84
85 handle = dlopen("libh_helper_symver_dso.so", RTLD_LAZY);
86 error = dlerror();
87 ATF_CHECK(error == NULL);
88 ATF_CHECK(handle != NULL);
89
90 sym = dlvsym(handle, "testfunc", "V_3");
91 error = dlerror();
92 ATF_CHECK(error == NULL);
93
94 result = (*sym)();
95 ATF_CHECK(result == 3);
96
97 dlclose(handle);
98 error = dlerror();
99 ATF_CHECK(error == NULL);
100 }
101
102 ATF_TC(rtld_dlvsym_symbol_nonexistent);
ATF_TC_HEAD(rtld_dlvsym_symbol_nonexistent,tc)103 ATF_TC_HEAD(rtld_dlvsym_symbol_nonexistent, tc)
104 {
105 atf_tc_set_md_var(tc, "descr",
106 "Check dlvsym() function (symbol is nonexistent)");
107 }
ATF_TC_BODY(rtld_dlvsym_symbol_nonexistent,tc)108 ATF_TC_BODY(rtld_dlvsym_symbol_nonexistent, tc)
109 {
110 void *handle;
111 char *error;
112 int (*sym)(void);
113
114 /* Clear previous error */
115 (void) dlerror();
116
117 handle = dlopen("libh_helper_symver_dso.so", RTLD_LAZY);
118 error = dlerror();
119 ATF_CHECK(error == NULL);
120 ATF_CHECK(handle != NULL);
121
122 sym = dlvsym(handle, "symbol_nonexistent", "V_3");
123 error = dlerror();
124 ATF_CHECK(sym == NULL);
125 ATF_CHECK(error != NULL);
126
127 dlclose(handle);
128 error = dlerror();
129 ATF_CHECK(error == NULL);
130 }
131
132 ATF_TC(rtld_dlvsym_version_nonexistent);
ATF_TC_HEAD(rtld_dlvsym_version_nonexistent,tc)133 ATF_TC_HEAD(rtld_dlvsym_version_nonexistent, tc)
134 {
135 atf_tc_set_md_var(tc, "descr",
136 "Check dlvsym() function (version is nonexistent)");
137 }
ATF_TC_BODY(rtld_dlvsym_version_nonexistent,tc)138 ATF_TC_BODY(rtld_dlvsym_version_nonexistent, tc)
139 {
140 void *handle;
141 char *error;
142 int (*sym)(void);
143
144 /* Clear previous error */
145 (void) dlerror();
146
147 handle = dlopen("libh_helper_symver_dso.so", RTLD_LAZY);
148 error = dlerror();
149 ATF_CHECK(error == NULL);
150 ATF_CHECK(handle != NULL);
151
152 sym = dlvsym(handle, "testfunc", "");
153 error = dlerror();
154 ATF_CHECK(sym == NULL);
155 ATF_CHECK(error != NULL);
156
157 dlclose(handle);
158 error = dlerror();
159 ATF_CHECK(error == NULL);
160 }
161
162 ATF_TC(rtld_dlvsym_version_null);
ATF_TC_HEAD(rtld_dlvsym_version_null,tc)163 ATF_TC_HEAD(rtld_dlvsym_version_null, tc)
164 {
165 atf_tc_set_md_var(tc, "descr",
166 "Check dlvsym() function (version is NULL)");
167 }
ATF_TC_BODY(rtld_dlvsym_version_null,tc)168 ATF_TC_BODY(rtld_dlvsym_version_null, tc)
169 {
170 void *handle;
171 char *error;
172 int (*sym)(void);
173 int result;
174
175 /* Clear previous error */
176 (void) dlerror();
177
178 handle = dlopen("libh_helper_symver_dso.so", RTLD_LAZY);
179 error = dlerror();
180 ATF_CHECK(error == NULL);
181 ATF_CHECK(handle != NULL);
182
183 sym = dlvsym(handle, "testfunc", NULL);
184 error = dlerror();
185 ATF_CHECK(error == NULL);
186
187 result = (*sym)();
188 ATF_CHECK(result == 3);
189
190 dlclose(handle);
191 error = dlerror();
192 ATF_CHECK(error == NULL);
193 }
194
ATF_TP_ADD_TCS(tp)195 ATF_TP_ADD_TCS(tp)
196 {
197 ATF_TP_ADD_TC(tp, rtld_dlvsym_v1);
198 ATF_TP_ADD_TC(tp, rtld_dlvsym_v3);
199 ATF_TP_ADD_TC(tp, rtld_dlvsym_symbol_nonexistent);
200 ATF_TP_ADD_TC(tp, rtld_dlvsym_version_nonexistent);
201 ATF_TP_ADD_TC(tp, rtld_dlvsym_version_null);
202 return atf_no_error();
203 }
204