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
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
/*
* Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include "internal/cryptlib.h"
#include <openssl/conf.h>
#include <openssl/asn1.h>
#include <openssl/asn1t.h>
#include <openssl/x509v3.h>
#include "ext_dat.h"
/* Support for Thawte strong extranet extension */
#define SXNET_TEST
static int sxnet_i2r(X509V3_EXT_METHOD *method, SXNET *sx, BIO *out,
int indent);
#ifdef SXNET_TEST
static SXNET *sxnet_v2i(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
STACK_OF(CONF_VALUE) *nval);
#endif
const X509V3_EXT_METHOD v3_sxnet = {
NID_sxnet, X509V3_EXT_MULTILINE, ASN1_ITEM_ref(SXNET),
0, 0, 0, 0,
0, 0,
0,
#ifdef SXNET_TEST
(X509V3_EXT_V2I)sxnet_v2i,
#else
0,
#endif
(X509V3_EXT_I2R)sxnet_i2r,
0,
NULL
};
ASN1_SEQUENCE(SXNETID) = {
ASN1_SIMPLE(SXNETID, zone, ASN1_INTEGER),
ASN1_SIMPLE(SXNETID, user, ASN1_OCTET_STRING)
} ASN1_SEQUENCE_END(SXNETID)
IMPLEMENT_ASN1_FUNCTIONS(SXNETID)
ASN1_SEQUENCE(SXNET) = {
ASN1_SIMPLE(SXNET, version, ASN1_INTEGER),
ASN1_SEQUENCE_OF(SXNET, ids, SXNETID)
} ASN1_SEQUENCE_END(SXNET)
IMPLEMENT_ASN1_FUNCTIONS(SXNET)
static int sxnet_i2r(X509V3_EXT_METHOD *method, SXNET *sx, BIO *out,
int indent)
{
long v;
char *tmp;
SXNETID *id;
int i;
v = ASN1_INTEGER_get(sx->version);
BIO_printf(out, "%*sVersion: %ld (0x%lX)", indent, "", v + 1, v);
for (i = 0; i < sk_SXNETID_num(sx->ids); i++) {
id = sk_SXNETID_value(sx->ids, i);
tmp = i2s_ASN1_INTEGER(NULL, id->zone);
BIO_printf(out, "\n%*sZone: %s, User: ", indent, "", tmp);
OPENSSL_free(tmp);
ASN1_STRING_print(out, id->user);
}
return 1;
}
#ifdef SXNET_TEST
/*
* NBB: this is used for testing only. It should *not* be used for anything
* else because it will just take static IDs from the configuration file and
* they should really be separate values for each user.
*/
static SXNET *sxnet_v2i(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
STACK_OF(CONF_VALUE) *nval)
{
CONF_VALUE *cnf;
SXNET *sx = NULL;
int i;
for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
cnf = sk_CONF_VALUE_value(nval, i);
if (!SXNET_add_id_asc(&sx, cnf->name, cnf->value, -1))
return NULL;
}
return sx;
}
#endif
/* Strong Extranet utility functions */
/* Add an id given the zone as an ASCII number */
int SXNET_add_id_asc(SXNET **psx, const char *zone, const char *user, int userlen)
{
ASN1_INTEGER *izone;
if ((izone = s2i_ASN1_INTEGER(NULL, zone)) == NULL) {
X509V3err(X509V3_F_SXNET_ADD_ID_ASC, X509V3_R_ERROR_CONVERTING_ZONE);
return 0;
}
return SXNET_add_id_INTEGER(psx, izone, user, userlen);
}
/* Add an id given the zone as an unsigned long */
int SXNET_add_id_ulong(SXNET **psx, unsigned long lzone, const char *user,
int userlen)
{
ASN1_INTEGER *izone;
if ((izone = ASN1_INTEGER_new()) == NULL
|| !ASN1_INTEGER_set(izone, lzone)) {
X509V3err(X509V3_F_SXNET_ADD_ID_ULONG, ERR_R_MALLOC_FAILURE);
ASN1_INTEGER_free(izone);
return 0;
}
return SXNET_add_id_INTEGER(psx, izone, user, userlen);
}
/*
* Add an id given the zone as an ASN1_INTEGER. Note this version uses the
* passed integer and doesn't make a copy so don't free it up afterwards.
*/
int SXNET_add_id_INTEGER(SXNET **psx, ASN1_INTEGER *zone, const char *user,
int userlen)
{
SXNET *sx = NULL;
SXNETID *id = NULL;
if (!psx || !zone || !user) {
X509V3err(X509V3_F_SXNET_ADD_ID_INTEGER,
X509V3_R_INVALID_NULL_ARGUMENT);
return 0;
}
if (userlen == -1)
userlen = strlen(user);
if (userlen > 64) {
X509V3err(X509V3_F_SXNET_ADD_ID_INTEGER, X509V3_R_USER_TOO_LONG);
return 0;
}
if (*psx == NULL) {
if ((sx = SXNET_new()) == NULL)
goto err;
if (!ASN1_INTEGER_set(sx->version, 0))
goto err;
*psx = sx;
} else
sx = *psx;
if (SXNET_get_id_INTEGER(sx, zone)) {
X509V3err(X509V3_F_SXNET_ADD_ID_INTEGER, X509V3_R_DUPLICATE_ZONE_ID);
return 0;
}
if ((id = SXNETID_new()) == NULL)
goto err;
if (userlen == -1)
userlen = strlen(user);
if (!ASN1_OCTET_STRING_set(id->user, (const unsigned char *)user, userlen))
goto err;
if (!sk_SXNETID_push(sx->ids, id))
goto err;
id->zone = zone;
return 1;
err:
X509V3err(X509V3_F_SXNET_ADD_ID_INTEGER, ERR_R_MALLOC_FAILURE);
SXNETID_free(id);
SXNET_free(sx);
*psx = NULL;
return 0;
}
ASN1_OCTET_STRING *SXNET_get_id_asc(SXNET *sx, const char *zone)
{
ASN1_INTEGER *izone;
ASN1_OCTET_STRING *oct;
if ((izone = s2i_ASN1_INTEGER(NULL, zone)) == NULL) {
X509V3err(X509V3_F_SXNET_GET_ID_ASC, X509V3_R_ERROR_CONVERTING_ZONE);
return NULL;
}
oct = SXNET_get_id_INTEGER(sx, izone);
ASN1_INTEGER_free(izone);
return oct;
}
ASN1_OCTET_STRING *SXNET_get_id_ulong(SXNET *sx, unsigned long lzone)
{
ASN1_INTEGER *izone;
ASN1_OCTET_STRING *oct;
if ((izone = ASN1_INTEGER_new()) == NULL
|| !ASN1_INTEGER_set(izone, lzone)) {
X509V3err(X509V3_F_SXNET_GET_ID_ULONG, ERR_R_MALLOC_FAILURE);
ASN1_INTEGER_free(izone);
return NULL;
}
oct = SXNET_get_id_INTEGER(sx, izone);
ASN1_INTEGER_free(izone);
return oct;
}
ASN1_OCTET_STRING *SXNET_get_id_INTEGER(SXNET *sx, ASN1_INTEGER *zone)
{
SXNETID *id;
int i;
for (i = 0; i < sk_SXNETID_num(sx->ids); i++) {
id = sk_SXNETID_value(sx->ids, i);
if (!ASN1_INTEGER_cmp(id->zone, zone))
return id->user;
}
return NULL;
}
|
