1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/* tests/gssapi/reload.c - test loading libgssapi_krb5 twice */
/*
* Copyright (C) 2020 by the Massachusetts Institute of Technology.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This is a regression test for ticket #8614. It ensures that libgssapi_krb5
* can be loaded multiple times in the same process when libkrb5support is held
* open by another library.
*/
#include <gssapi/gssapi.h>
#include <stdio.h>
#include <dlfcn.h>
#include <assert.h>
/* Load libgssapi_krb5, briefly use it (to force the initializer to run), and
* close it. */
static void
load_gssapi(void)
{
void *gssapi;
OM_uint32 (*indmechs)(OM_uint32 *, gss_OID_set *);
OM_uint32 (*reloidset)(OM_uint32 *, gss_OID_set *);
OM_uint32 major, minor;
gss_OID_set mechs;
gssapi = dlopen("libgssapi_krb5.so", RTLD_NOW | RTLD_LOCAL);
assert(gssapi != NULL);
indmechs = dlsym(gssapi, "gss_indicate_mechs");
reloidset = dlsym(gssapi, "gss_release_oid_set");
assert(indmechs != NULL && reloidset != NULL);
major = (*indmechs)(&minor, &mechs);
assert(major == 0);
(*reloidset)(&minor, &mechs);
dlclose(gssapi);
}
int
main()
{
void *support;
/* Hold open libkrb5support to ensure that thread-local state remains */
support = dlopen("libkrb5support.so", RTLD_NOW | RTLD_LOCAL);
if (support == NULL) {
fprintf(stderr, "Error loading libkrb5support: %s\n", dlerror());
return 1;
}
load_gssapi();
load_gssapi();
dlclose(support);
return 0;
}
|
