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
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
|
/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/* plugins/localauth/test/main.c - test modules for localauth interface */
/*
* Copyright (C) 2013 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 file implements two testing localauth modules, each implementing
* clearly recognizable behavior for the localauth test script. */
#include "k5-int.h"
#include <krb5/localauth_plugin.h>
struct krb5_localauth_moddata_st {
int a;
int b;
};
static krb5_error_code
init_test(krb5_context context, krb5_localauth_moddata *data_out)
{
krb5_localauth_moddata d;
*data_out = NULL;
d = malloc(sizeof(*d));
if (d == NULL)
return ENOMEM;
d->a = 3;
d->b = 4;
*data_out = d;
return 0;
}
static void
fini_test(krb5_context context, krb5_localauth_moddata data)
{
assert(data->a == 3);
assert(data->b == 4);
free(data);
}
static krb5_error_code
an2ln_test(krb5_context context, krb5_localauth_moddata data, const char *type,
const char *residual, krb5_const_principal aname, char **lname_out)
{
krb5_error_code ret;
char *lname = NULL;
*lname_out = NULL;
if (data != NULL) {
assert(data->a == 3);
assert(data->b == 4);
}
if (type == NULL) {
/* Map any three-component test/___/___ principal to its realm name. */
if (aname->length == 3 && data_eq_string(aname->data[0], "test")) {
lname = k5memdup0(aname->realm.data, aname->realm.length, &ret);
if (lname == NULL)
return ret;
}
} else if (strcmp(type, "TYPEA") == 0) {
/* Map any two-component principal to its second component. */
if (aname->length == 2) {
lname = k5memdup0(aname->data[1].data, aname->data[1].length,
&ret);
if (lname == NULL)
return ret;
}
} else {
assert(strcmp(type, "TYPEB") == 0);
/* Map to the residual string. */
lname = strdup(residual == NULL ? "(null)" : residual);
if (lname == NULL)
return ENOMEM;
}
if (lname == NULL)
return KRB5_LNAME_NOTRANS;
*lname_out = lname;
return 0;
}
static krb5_error_code
userok_test(krb5_context context, krb5_localauth_moddata data,
krb5_const_principal aname, const char *lname)
{
if (data != NULL) {
assert(data->a == 3);
assert(data->b == 4);
}
/* Return success if the number of components in the principal is equal to
* the length of the local name. */
if ((size_t)aname->length == strlen(lname))
return 0;
/* Pass control down if the first component is "pass". */
if (aname->length >= 1 && data_eq_string(aname->data[0], "pass"))
return KRB5_PLUGIN_NO_HANDLE;
/* Otherwise reject. */
return EPERM;
}
static void
freestr(krb5_context context, krb5_localauth_moddata data, char *str)
{
free(str);
}
krb5_error_code
localauth_test1_initvt(krb5_context context, int maj_ver, int min_ver,
krb5_plugin_vtable vtable);
krb5_error_code
localauth_test2_initvt(krb5_context context, int maj_ver, int min_ver,
krb5_plugin_vtable vtable);
krb5_error_code
localauth_test1_initvt(krb5_context context, int maj_ver, int min_ver,
krb5_plugin_vtable vtable)
{
krb5_localauth_vtable vt = (krb5_localauth_vtable)vtable;
vt->init = init_test;
vt->fini = fini_test;
vt->name = "test1";
vt->an2ln = an2ln_test;
vt->userok = userok_test;
vt->free_string = freestr;
return 0;
}
krb5_error_code
localauth_test2_initvt(krb5_context context, int maj_ver, int min_ver,
krb5_plugin_vtable vtable)
{
krb5_localauth_vtable vt = (krb5_localauth_vtable)vtable;
static const char *types[] = { "TYPEA", "TYPEB", NULL };
vt->name = "test2";
vt->an2ln_types = types;
vt->an2ln = an2ln_test;
vt->free_string = freestr;
return 0;
}
|
