1 /* $OpenBSD: main.c,v 1.3 2005/09/17 00:31:59 kurt Exp $ */
2
3 /*
4 * Copyright (c) 2005 Kurt Miller <kurt@openbsd.org>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #include <dlfcn.h>
20 #include <stdio.h>
21
22 int mainSymbol;
23
24 /*
25 * This tests that the main object group can not see the symbols in
26 * objects dlopened by it using RTLD_{SELF,NEXT}, NULL and with a handle.
27 */
28 int
main()29 main()
30 {
31 int ret = 0;
32 void *exe_handle = dlopen(NULL, RTLD_LAZY);
33 void *libbb = dlopen("libbb.so", RTLD_LAZY);
34
35 if (libbb == NULL) {
36 printf("dlopen(\"libbb.so\", RTLD_LAZY) FAILED\n");
37 return (1);
38 }
39
40 /* RTLD_DEFAULT should *not* see bbSymbol */
41 if (dlsym(RTLD_DEFAULT, "bbSymbol") != NULL) {
42 printf("dlsym(RTLD_DEFAULT, \"bbSymbol\") != NULL\n");
43 ret = 1;
44 }
45
46 /* RTLD_SELF should *not* see bbSymbol (different load group) */
47 if (dlsym(RTLD_SELF, "bbSymbol") != NULL) {
48 printf("dlsym(RTLD_SELF, \"bbSymbol\") != NULL\n");
49 ret = 1;
50 }
51
52 /* RTLD_NEXT should *not* see bbSymbol (different load group) */
53 if (dlsym(RTLD_NEXT, "bbSymbol") != NULL) {
54 printf("dlsym(RTLD_NEXT, \"bbSymbol\") != NULL\n");
55 ret = 1;
56 }
57
58 /* NULL should *not* see bbSymbol (different load group) */
59 if (dlsym(NULL, "bbSymbol") != NULL) {
60 printf("dlsym(NULL, \"bbSymbol\") != NULL\n");
61 ret = 1;
62 }
63
64 /* exe handle should *not* see bbSymbol (different load group) */
65 if (dlsym(exe_handle, "bbSymbol") != NULL) {
66 printf("dlsym(exe_handle, \"bbSymbol\") != NULL\n");
67 ret = 1;
68 }
69
70 dlclose(exe_handle);
71 dlclose(libbb);
72
73 return (ret);
74 }
75