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authorbeck <>2000-03-19 11:13:58 +0000
committerbeck <>2000-03-19 11:13:58 +0000
commit796d609550df3a33fc11468741c5d2f6d3df4c11 (patch)
tree6c6d539061caa20372dad0ac4ddb1dfae2fbe7fe /src/lib/libcrypto/x509/x509_trs.c
parent5be3114c1fd7e0dfea1e38d3abb4cbba75244419 (diff)
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OpenSSL 0.9.5 merge
*warning* this bumps shared lib minors for libssl and libcrypto from 2.1 to 2.2 if you are using the ssl26 packages for ssh and other things to work you will need to get new ones (see ~beck/libsslsnap/<arch>) on cvs or ~beck/src-patent.tar.gz on cvs
Diffstat (limited to 'src/lib/libcrypto/x509/x509_trs.c')
-rw-r--r--src/lib/libcrypto/x509/x509_trs.c263
1 files changed, 263 insertions, 0 deletions
diff --git a/src/lib/libcrypto/x509/x509_trs.c b/src/lib/libcrypto/x509/x509_trs.c
new file mode 100644
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+++ b/src/lib/libcrypto/x509/x509_trs.c
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1/* x509_trs.c */
2/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
3 * project 1999.
4 */
5/* ====================================================================
6 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 *
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
58
59#include <stdio.h>
60#include "cryptlib.h"
61#include <openssl/x509v3.h>
62
63
64static int tr_cmp(X509_TRUST **a, X509_TRUST **b);
65static void trtable_free(X509_TRUST *p);
66
67static int trust_1oidany(X509_TRUST *trust, X509 *x, int flags);
68static int trust_any(X509_TRUST *trust, X509 *x, int flags);
69
70static int obj_trust(int id, X509 *x, int flags);
71static int (*default_trust)(int id, X509 *x, int flags) = obj_trust;
72
73/* WARNING: the following table should be kept in order of trust
74 * and without any gaps so we can just subtract the minimum trust
75 * value to get an index into the table
76 */
77
78static X509_TRUST trstandard[] = {
79{X509_TRUST_ANY, 0, trust_any, "Any", 0, NULL},
80{X509_TRUST_SSL_CLIENT, 0, trust_1oidany, "SSL Client", NID_client_auth, NULL},
81{X509_TRUST_SSL_SERVER, 0, trust_1oidany, "SSL Client", NID_server_auth, NULL},
82{X509_TRUST_EMAIL, 0, trust_1oidany, "S/MIME email", NID_email_protect, NULL},
83};
84
85#define X509_TRUST_COUNT (sizeof(trstandard)/sizeof(X509_TRUST))
86
87IMPLEMENT_STACK_OF(X509_TRUST)
88
89static STACK_OF(X509_TRUST) *trtable = NULL;
90
91static int tr_cmp(X509_TRUST **a, X509_TRUST **b)
92{
93 return (*a)->trust - (*b)->trust;
94}
95
96int (*X509_TRUST_set_default(int (*trust)(int , X509 *, int)))(int, X509 *, int)
97{
98int (*oldtrust)(int , X509 *, int);
99oldtrust = default_trust;
100default_trust = trust;
101return oldtrust;
102}
103
104
105int X509_check_trust(X509 *x, int id, int flags)
106{
107 X509_TRUST *pt;
108 int idx;
109 if(id == -1) return 1;
110 if(!(idx = X509_TRUST_get_by_id(id)))
111 return default_trust(id, x, flags);
112 pt = X509_TRUST_get0(idx);
113 return pt->check_trust(pt, x, flags);
114}
115
116int X509_TRUST_get_count(void)
117{
118 if(!trtable) return X509_TRUST_COUNT;
119 return sk_X509_TRUST_num(trtable) + X509_TRUST_COUNT;
120}
121
122X509_TRUST * X509_TRUST_get0(int idx)
123{
124 if(idx < 0) return NULL;
125 if(idx < X509_TRUST_COUNT) return trstandard + idx;
126 return sk_X509_TRUST_value(trtable, idx - X509_TRUST_COUNT);
127}
128
129int X509_TRUST_get_by_id(int id)
130{
131 X509_TRUST tmp;
132 int idx;
133 if((id >= X509_TRUST_MIN) && (id <= X509_TRUST_MAX))
134 return id - X509_TRUST_MIN;
135 tmp.trust = id;
136 if(!trtable) return -1;
137 idx = sk_X509_TRUST_find(trtable, &tmp);
138 if(idx == -1) return -1;
139 return idx + X509_TRUST_COUNT;
140}
141
142int X509_TRUST_add(int id, int flags, int (*ck)(X509_TRUST *, X509 *, int),
143 char *name, int arg1, void *arg2)
144{
145 int idx;
146 X509_TRUST *trtmp;
147 /* This is set according to what we change: application can't set it */
148 flags &= ~X509_TRUST_DYNAMIC;
149 /* This will always be set for application modified trust entries */
150 flags |= X509_TRUST_DYNAMIC_NAME;
151 /* Get existing entry if any */
152 idx = X509_TRUST_get_by_id(id);
153 /* Need a new entry */
154 if(idx == -1) {
155 if(!(trtmp = Malloc(sizeof(X509_TRUST)))) {
156 X509err(X509_F_X509_TRUST_ADD,ERR_R_MALLOC_FAILURE);
157 return 0;
158 }
159 trtmp->flags = X509_TRUST_DYNAMIC;
160 } else trtmp = X509_TRUST_get0(idx);
161
162 /* Free existing name if dynamic */
163 if(trtmp->flags & X509_TRUST_DYNAMIC_NAME) Free(trtmp->name);
164 /* dup supplied name */
165 if(!(trtmp->name = BUF_strdup(name))) {
166 X509err(X509_F_X509_TRUST_ADD,ERR_R_MALLOC_FAILURE);
167 return 0;
168 }
169 /* Keep the dynamic flag of existing entry */
170 trtmp->flags &= X509_TRUST_DYNAMIC;
171 /* Set all other flags */
172 trtmp->flags |= flags;
173
174 trtmp->trust = id;
175 trtmp->check_trust = ck;
176 trtmp->arg1 = arg1;
177 trtmp->arg2 = arg2;
178
179 /* If its a new entry manage the dynamic table */
180 if(idx == -1) {
181 if(!trtable && !(trtable = sk_X509_TRUST_new(tr_cmp))) {
182 X509err(X509_F_X509_TRUST_ADD,ERR_R_MALLOC_FAILURE);
183 return 0;
184 }
185 if (!sk_X509_TRUST_push(trtable, trtmp)) {
186 X509err(X509_F_X509_TRUST_ADD,ERR_R_MALLOC_FAILURE);
187 return 0;
188 }
189 }
190 return 1;
191}
192
193static void trtable_free(X509_TRUST *p)
194 {
195 if(!p) return;
196 if (p->flags & X509_TRUST_DYNAMIC)
197 {
198 if (p->flags & X509_TRUST_DYNAMIC_NAME)
199 Free(p->name);
200 Free(p);
201 }
202 }
203
204void X509_TRUST_cleanup(void)
205{
206 int i;
207 for(i = 0; i < X509_TRUST_COUNT; i++) trtable_free(trstandard + i);
208 sk_X509_TRUST_pop_free(trtable, trtable_free);
209 trtable = NULL;
210}
211
212int X509_TRUST_get_flags(X509_TRUST *xp)
213{
214 return xp->flags;
215}
216
217char *X509_TRUST_get0_name(X509_TRUST *xp)
218{
219 return xp->name;
220}
221
222int X509_TRUST_get_trust(X509_TRUST *xp)
223{
224 return xp->trust;
225}
226
227static int trust_1oidany(X509_TRUST *trust, X509 *x, int flags)
228{
229 if(x->aux) return obj_trust(trust->arg1, x, flags);
230 /* we don't have any trust settings: for compatibility
231 * we return trusted if it is self signed
232 */
233 X509_check_purpose(x, -1, 0);
234 if(x->ex_flags & EXFLAG_SS) return X509_TRUST_TRUSTED;
235 else return X509_TRUST_UNTRUSTED;
236}
237
238static int obj_trust(int id, X509 *x, int flags)
239{
240 ASN1_OBJECT *obj;
241 int i;
242 X509_CERT_AUX *ax;
243 ax = x->aux;
244 if(!ax) return X509_TRUST_UNTRUSTED;
245 if(ax->reject) {
246 for(i = 0; i < sk_ASN1_OBJECT_num(ax->reject); i++) {
247 obj = sk_ASN1_OBJECT_value(ax->reject, i);
248 if(OBJ_obj2nid(obj) == id) return X509_TRUST_REJECTED;
249 }
250 }
251 if(ax->trust) {
252 for(i = 0; i < sk_ASN1_OBJECT_num(ax->trust); i++) {
253 obj = sk_ASN1_OBJECT_value(ax->trust, i);
254 if(OBJ_obj2nid(obj) == id) return X509_TRUST_TRUSTED;
255 }
256 }
257 return X509_TRUST_UNTRUSTED;
258}
259
260static int trust_any(X509_TRUST *trust, X509 *x, int flags)
261{
262 return X509_TRUST_TRUSTED;
263}