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
170
171
172
173
174
175
176
177
178
179
180
181
|
/* $Copyright:
*
* Copyright 2004-2006 by the Massachusetts Institute of Technology.
*
* All rights reserved.
*
* Export of this software from the United States of America may require a
* specific license from the United States Government. It is the
* responsibility of any person or organization contemplating export to
* obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and distribute
* this software and its documentation for any purpose and without fee is
* hereby granted, provided that the above copyright notice appear in all
* copies and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of M.I.T. not be
* used in advertising or publicity pertaining to distribution of the
* software without specific, written prior permission. Furthermore if you
* modify this software you must label your software as modified software
* and not distribute it in such a fashion that it might be confused with
* the original MIT software. M.I.T. makes no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* Individual source code files are copyright MIT, Cygnus Support,
* OpenVision, Oracle, Sun Soft, FundsXpress, and others.
*
* Project Athena, Athena, Athena MUSE, Discuss, Hesiod, Kerberos, Moira,
* and Zephyr are trademarks of the Massachusetts Institute of Technology
* (MIT). No commercial use of these trademarks may be made without prior
* written permission of MIT.
*
* "Commercial use" means use of a name in a product or other for-profit
* manner. It does NOT prevent a commercial firm from referring to the MIT
* trademarks in order to convey information (although in doing so,
* recognition of their trademark status should be given).
* $
*/
/* credentials.c */
#include <stdlib.h>
#include <stdio.h>
#include <CredentialsCache.h>
#include "credentials.h"
#include "msg.h"
#include "msg_headers.h"
cc_int32
cc_int_credentials_new( cc_credentials_t *pcredentials, cc_uint32 version,
cc_handle ctx, cc_handle ccache, cc_handle handle,
char * data, cc_uint32 len )
{
cc_int_credentials_t credentials;
cc_int32 code;
if ( pcredentials == NULL )
return ccErrBadParam;
credentials = (cc_int_credentials_t)malloc(sizeof(cc_int_credentials_d));
if ( credentials == NULL )
return ccErrNoMem;
credentials->data = (cc_credentials_union *)malloc(sizeof(cc_credentials_union));
if ( credentials->data == NULL ) {
free(credentials);
return ccErrNoMem;
}
credentials->functions = (cc_credentials_f *)malloc(sizeof(cc_credentials_f));
if ( credentials->functions == NULL ) {
free(credentials->data);
free(credentials);
return ccErrNoMem;
}
credentials->functions->release = cc_int_credentials_release;
credentials->functions->compare = cc_int_credentials_compare;
credentials->magic = CC_CREDS_MAGIC;
credentials->ctx = ctx;
credentials->ccache = ccache;
credentials->handle = handle;
switch ( version ) {
case cc_credentials_v4:
code = cci_creds_v4_unmarshall(data, len, credentials->data);
break;
case cc_credentials_v5:
code = cci_creds_v5_unmarshall(data, len, credentials->data);
break;
default:
free(credentials);
return ccErrBadCredentialsVersion;
}
*pcredentials = (cc_credentials_t)credentials;
return ccNoError;
}
cc_int32
cc_int_credentials_release( cc_credentials_t creds )
{
cc_int_credentials_t int_creds;
unsigned short i;
if ( creds == NULL )
return ccErrBadParam;
int_creds = (cc_int_credentials_t)creds;
if ( int_creds->magic != CC_CREDS_MAGIC )
return ccErrInvalidCredentials;
switch (int_creds->data->version) {
case cc_credentials_v4:
free(int_creds->data->credentials.credentials_v4);
break;
case cc_credentials_v5:
if ( int_creds->data->credentials.credentials_v5->client )
free(int_creds->data->credentials.credentials_v5->client);
if ( int_creds->data->credentials.credentials_v5->server )
free(int_creds->data->credentials.credentials_v5->server );
if ( int_creds->data->credentials.credentials_v5->keyblock.data )
free(int_creds->data->credentials.credentials_v5->keyblock.data);
if ( int_creds->data->credentials.credentials_v5->ticket.data )
free(int_creds->data->credentials.credentials_v5->ticket.data);
if ( int_creds->data->credentials.credentials_v5->second_ticket.data )
free(int_creds->data->credentials.credentials_v5->second_ticket.data);
if ( int_creds->data->credentials.credentials_v5->addresses ) {
for ( i=0; int_creds->data->credentials.credentials_v5->addresses[i]; i++) {
if (int_creds->data->credentials.credentials_v5->addresses[i]->data)
free(int_creds->data->credentials.credentials_v5->addresses[i]->data);
}
free(int_creds->data->credentials.credentials_v5->addresses);
}
if ( int_creds->data->credentials.credentials_v5->authdata ) {
for ( i=0; int_creds->data->credentials.credentials_v5->authdata[i]; i++) {
if ( int_creds->data->credentials.credentials_v5->authdata[i]->data )
free(int_creds->data->credentials.credentials_v5->authdata[i]->data);
}
free(int_creds->data->credentials.credentials_v5->authdata);
}
break;
default:
return ccErrBadCredentialsVersion;
}
free(int_creds->functions);
free(int_creds->data);
free(int_creds);
return ccNoError;
}
cc_int32
cc_int_credentials_compare( cc_credentials_t credentials,
cc_credentials_t compare_to,
cc_uint32* equal )
{
cc_int_credentials_t int_credentials;
cc_int_credentials_t int_compare_to;
if ( credentials == NULL || compare_to == NULL || equal == NULL )
return ccErrBadParam;
int_credentials = (cc_int_credentials_t)credentials;
int_compare_to = (cc_int_credentials_t)compare_to;
if ( int_credentials->magic != CC_CREDS_MAGIC ||
int_compare_to->magic != CC_CREDS_MAGIC )
return ccErrInvalidCredentials;
*equal = (int_credentials->handle == int_compare_to->handle);
return ccNoError;
}
|