1 /* $OpenBSD: bb.c,v 1.2 2005/09/19 21:50:27 drahn 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 bbSymbol;
23 int commonSymbol;
24
25 /*
26 * this test is setup where the main program group dlopen's libbb and libdd
27 * without RTLD_GLOBAL. libcc is part of libbb load group. libee is part of
28 * libdd load group.
29 */
30 int
bbTest1(void * libbb,void * libdd)31 bbTest1(void *libbb, void *libdd)
32 {
33 int ret = 0;
34
35 /* check RTLD_DEFAULT can *not* see symbols in libdd object group */
36 if (dlsym(RTLD_DEFAULT, "ddSymbol") != NULL) {
37 printf("dlsym(RTLD_DEFAULT, \"ddSymbol\") != NULL\n");
38 ret = 1;
39 }
40
41 /* check RTLD_SELF can *not* see symbols in libdd object group */
42 if (dlsym(RTLD_SELF, "ddSymbol") != NULL) {
43 printf("dlsym(RTLD_SELF, \"ddSymbol\") != NULL\n");
44 ret = 1;
45 }
46
47 /* check RTLD_NEXT can *not* see symbols in libdd object group */
48 if (dlsym(RTLD_NEXT, "ddSymbol") != NULL) {
49 printf("dlsym(RTLD_NEXT, \"ddSymbol\") != NULL\n");
50 ret = 1;
51 }
52
53 /* check NULL can *not* see symbols in libdd object group */
54 if (dlsym(NULL, "ddSymbol") != NULL) {
55 printf("dlsym(NULL, \"ddSymbol\") != NULL\n");
56 ret = 1;
57 }
58
59 /* libbb should *not* see symbols in libdd or libee */
60 if (dlsym(libbb, "ddSymbol") != NULL) {
61 printf("dlsym(libbb, \"ddSymbol\") != NULL\n");
62 ret = 1;
63 }
64
65 /* libdd should *not* see symbols in libbb or libcc */
66 if (dlsym(libdd, "bbSymbol") != NULL) {
67 printf("dlsym(libdd, \"bbSymbol\") != NULL\n");
68 ret = 1;
69 }
70
71 /* libbb should see symbols in libbb and libcc */
72 if (dlsym(libbb, "ccSymbol") == NULL) {
73 printf("dlsym(libbb, \"ccSymbol\") == NULL\n");
74 ret = 1;
75 }
76
77 /* libdd should see symbols in libbb and libee */
78 if (dlsym(libdd, "eeSymbol") == NULL) {
79 printf("dlsym(libdd, \"eeSymbol\") == NULL\n");
80 ret = 1;
81 }
82
83 return (ret);
84 }
85
86 /*
87 * this test is setup where the main program group dlopen's libbb and libdd.
88 * libdd is opened with RTLD_GLOBAL. libcc is part of libbb load group. libee
89 * is part of libdd load group.
90 */
91 int
bbTest2()92 bbTest2()
93 {
94 int ret = 0;
95
96 /* check RTLD_DEFAULT can see symbols in libdd object group */
97 if (dlsym(RTLD_DEFAULT, "eeSymbol") != NULL) {
98 printf("dlsym(RTLD_DEFAULT, \"ddSymbol\") != NULL\n");
99 ret = 1;
100 }
101
102 /* check RTLD_SELF can see symbols in libdd object group */
103 if (dlsym(RTLD_SELF, "eeSymbol") != NULL) {
104 printf("dlsym(RTLD_SELF, \"ddSymbol\") != NULL\n");
105 ret = 1;
106 }
107
108 /* check RTLD_NEXT can see symbols in libdd object group */
109 if (dlsym(RTLD_NEXT, "eeSymbol") != NULL) {
110 printf("dlsym(RTLD_NEXT, \"ddSymbol\") != NULL\n");
111 ret = 1;
112 }
113
114 return (ret);
115 }
116