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-rw-r--r--src/lib/libcrypto/x509v3/v3_alt.c402
1 files changed, 402 insertions, 0 deletions
diff --git a/src/lib/libcrypto/x509v3/v3_alt.c b/src/lib/libcrypto/x509v3/v3_alt.c
new file mode 100644
index 0000000000..b5e1f8af96
--- /dev/null
+++ b/src/lib/libcrypto/x509v3/v3_alt.c
@@ -0,0 +1,402 @@
1/* v3_alt.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/conf.h>
62#include <openssl/x509v3.h>
63
64static STACK_OF(GENERAL_NAME) *v2i_subject_alt(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
65static STACK_OF(GENERAL_NAME) *v2i_issuer_alt(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
66static int copy_email(X509V3_CTX *ctx, STACK_OF(GENERAL_NAME) *gens);
67static int copy_issuer(X509V3_CTX *ctx, STACK_OF(GENERAL_NAME) *gens);
68X509V3_EXT_METHOD v3_alt[] = {
69{ NID_subject_alt_name, 0,
70(X509V3_EXT_NEW)GENERAL_NAMES_new,
71(X509V3_EXT_FREE)GENERAL_NAMES_free,
72(X509V3_EXT_D2I)d2i_GENERAL_NAMES,
73(X509V3_EXT_I2D)i2d_GENERAL_NAMES,
74NULL, NULL,
75(X509V3_EXT_I2V)i2v_GENERAL_NAMES,
76(X509V3_EXT_V2I)v2i_subject_alt,
77NULL, NULL, NULL},
78{ NID_issuer_alt_name, 0,
79(X509V3_EXT_NEW)GENERAL_NAMES_new,
80(X509V3_EXT_FREE)GENERAL_NAMES_free,
81(X509V3_EXT_D2I)d2i_GENERAL_NAMES,
82(X509V3_EXT_I2D)i2d_GENERAL_NAMES,
83NULL, NULL,
84(X509V3_EXT_I2V)i2v_GENERAL_NAMES,
85(X509V3_EXT_V2I)v2i_issuer_alt,
86NULL, NULL, NULL},
87EXT_END
88};
89
90STACK_OF(CONF_VALUE) *i2v_GENERAL_NAMES(X509V3_EXT_METHOD *method,
91 STACK_OF(GENERAL_NAME) *gens, STACK_OF(CONF_VALUE) *ret)
92{
93 int i;
94 GENERAL_NAME *gen;
95 for(i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
96 gen = sk_GENERAL_NAME_value(gens, i);
97 ret = i2v_GENERAL_NAME(method, gen, ret);
98 }
99 if(!ret) return sk_CONF_VALUE_new_null();
100 return ret;
101}
102
103STACK_OF(CONF_VALUE) *i2v_GENERAL_NAME(X509V3_EXT_METHOD *method,
104 GENERAL_NAME *gen, STACK_OF(CONF_VALUE) *ret)
105{
106 char oline[256];
107 unsigned char *p;
108 switch (gen->type)
109 {
110 case GEN_OTHERNAME:
111 X509V3_add_value("othername","<unsupported>", &ret);
112 break;
113
114 case GEN_X400:
115 X509V3_add_value("X400Name","<unsupported>", &ret);
116 break;
117
118 case GEN_EDIPARTY:
119 X509V3_add_value("EdiPartyName","<unsupported>", &ret);
120 break;
121
122 case GEN_EMAIL:
123 X509V3_add_value_uchar("email",gen->d.ia5->data, &ret);
124 break;
125
126 case GEN_DNS:
127 X509V3_add_value_uchar("DNS",gen->d.ia5->data, &ret);
128 break;
129
130 case GEN_URI:
131 X509V3_add_value_uchar("URI",gen->d.ia5->data, &ret);
132 break;
133
134 case GEN_DIRNAME:
135 X509_NAME_oneline(gen->d.dirn, oline, 256);
136 X509V3_add_value("DirName",oline, &ret);
137 break;
138
139 case GEN_IPADD:
140 p = gen->d.ip->data;
141 /* BUG: doesn't support IPV6 */
142 if(gen->d.ip->length != 4) {
143 X509V3_add_value("IP Address","<invalid>", &ret);
144 break;
145 }
146 sprintf(oline, "%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
147 X509V3_add_value("IP Address",oline, &ret);
148 break;
149
150 case GEN_RID:
151 i2t_ASN1_OBJECT(oline, 256, gen->d.rid);
152 X509V3_add_value("Registered ID",oline, &ret);
153 break;
154 }
155 return ret;
156}
157
158static STACK_OF(GENERAL_NAME) *v2i_issuer_alt(X509V3_EXT_METHOD *method,
159 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
160{
161 STACK_OF(GENERAL_NAME) *gens = NULL;
162 CONF_VALUE *cnf;
163 int i;
164 if(!(gens = sk_GENERAL_NAME_new(NULL))) {
165 X509V3err(X509V3_F_V2I_GENERAL_NAMES,ERR_R_MALLOC_FAILURE);
166 return NULL;
167 }
168 for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
169 cnf = sk_CONF_VALUE_value(nval, i);
170 if(!name_cmp(cnf->name, "issuer") && cnf->value &&
171 !strcmp(cnf->value, "copy")) {
172 if(!copy_issuer(ctx, gens)) goto err;
173 } else {
174 GENERAL_NAME *gen;
175 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
176 goto err;
177 sk_GENERAL_NAME_push(gens, gen);
178 }
179 }
180 return gens;
181 err:
182 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
183 return NULL;
184}
185
186/* Append subject altname of issuer to issuer alt name of subject */
187
188static int copy_issuer(X509V3_CTX *ctx, STACK_OF(GENERAL_NAME) *gens)
189{
190 STACK_OF(GENERAL_NAME) *ialt;
191 GENERAL_NAME *gen;
192 X509_EXTENSION *ext;
193 int i;
194 if(ctx && (ctx->flags == CTX_TEST)) return 1;
195 if(!ctx || !ctx->issuer_cert) {
196 X509V3err(X509V3_F_COPY_ISSUER,X509V3_R_NO_ISSUER_DETAILS);
197 goto err;
198 }
199 i = X509_get_ext_by_NID(ctx->issuer_cert, NID_subject_alt_name, -1);
200 if(i < 0) return 1;
201 if(!(ext = X509_get_ext(ctx->issuer_cert, i)) ||
202 !(ialt = X509V3_EXT_d2i(ext)) ) {
203 X509V3err(X509V3_F_COPY_ISSUER,X509V3_R_ISSUER_DECODE_ERROR);
204 goto err;
205 }
206
207 for(i = 0; i < sk_GENERAL_NAME_num(ialt); i++) {
208 gen = sk_GENERAL_NAME_value(ialt, i);
209 if(!sk_GENERAL_NAME_push(gens, gen)) {
210 X509V3err(X509V3_F_COPY_ISSUER,ERR_R_MALLOC_FAILURE);
211 goto err;
212 }
213 }
214 sk_GENERAL_NAME_free(ialt);
215
216 return 1;
217
218 err:
219 return 0;
220
221}
222
223static STACK_OF(GENERAL_NAME) *v2i_subject_alt(X509V3_EXT_METHOD *method,
224 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
225{
226 STACK_OF(GENERAL_NAME) *gens = NULL;
227 CONF_VALUE *cnf;
228 int i;
229 if(!(gens = sk_GENERAL_NAME_new(NULL))) {
230 X509V3err(X509V3_F_V2I_GENERAL_NAMES,ERR_R_MALLOC_FAILURE);
231 return NULL;
232 }
233 for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
234 cnf = sk_CONF_VALUE_value(nval, i);
235 if(!name_cmp(cnf->name, "email") && cnf->value &&
236 !strcmp(cnf->value, "copy")) {
237 if(!copy_email(ctx, gens)) goto err;
238 } else {
239 GENERAL_NAME *gen;
240 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
241 goto err;
242 sk_GENERAL_NAME_push(gens, gen);
243 }
244 }
245 return gens;
246 err:
247 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
248 return NULL;
249}
250
251/* Copy any email addresses in a certificate or request to
252 * GENERAL_NAMES
253 */
254
255static int copy_email(X509V3_CTX *ctx, STACK_OF(GENERAL_NAME) *gens)
256{
257 X509_NAME *nm;
258 ASN1_IA5STRING *email = NULL;
259 X509_NAME_ENTRY *ne;
260 GENERAL_NAME *gen = NULL;
261 int i;
262 if(ctx->flags == CTX_TEST) return 1;
263 if(!ctx || (!ctx->subject_cert && !ctx->subject_req)) {
264 X509V3err(X509V3_F_COPY_EMAIL,X509V3_R_NO_SUBJECT_DETAILS);
265 goto err;
266 }
267 /* Find the subject name */
268 if(ctx->subject_cert) nm = X509_get_subject_name(ctx->subject_cert);
269 else nm = X509_REQ_get_subject_name(ctx->subject_req);
270
271 /* Now add any email address(es) to STACK */
272 i = -1;
273 while((i = X509_NAME_get_index_by_NID(nm,
274 NID_pkcs9_emailAddress, i)) > 0) {
275 ne = X509_NAME_get_entry(nm, i);
276 email = ASN1_IA5STRING_dup(X509_NAME_ENTRY_get_data(ne));
277 if(!email || !(gen = GENERAL_NAME_new())) {
278 X509V3err(X509V3_F_COPY_EMAIL,ERR_R_MALLOC_FAILURE);
279 goto err;
280 }
281 gen->d.ia5 = email;
282 email = NULL;
283 gen->type = GEN_EMAIL;
284 if(!sk_GENERAL_NAME_push(gens, gen)) {
285 X509V3err(X509V3_F_COPY_EMAIL,ERR_R_MALLOC_FAILURE);
286 goto err;
287 }
288 gen = NULL;
289 }
290
291
292 return 1;
293
294 err:
295 GENERAL_NAME_free(gen);
296 ASN1_IA5STRING_free(email);
297 return 0;
298
299}
300
301STACK_OF(GENERAL_NAME) *v2i_GENERAL_NAMES(X509V3_EXT_METHOD *method,
302 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
303{
304 GENERAL_NAME *gen;
305 STACK_OF(GENERAL_NAME) *gens = NULL;
306 CONF_VALUE *cnf;
307 int i;
308 if(!(gens = sk_GENERAL_NAME_new(NULL))) {
309 X509V3err(X509V3_F_V2I_GENERAL_NAMES,ERR_R_MALLOC_FAILURE);
310 return NULL;
311 }
312 for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
313 cnf = sk_CONF_VALUE_value(nval, i);
314 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf))) goto err;
315 sk_GENERAL_NAME_push(gens, gen);
316 }
317 return gens;
318 err:
319 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
320 return NULL;
321}
322
323GENERAL_NAME *v2i_GENERAL_NAME(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
324 CONF_VALUE *cnf)
325{
326char is_string = 0;
327int type;
328GENERAL_NAME *gen = NULL;
329
330char *name, *value;
331
332name = cnf->name;
333value = cnf->value;
334
335if(!value) {
336 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_MISSING_VALUE);
337 return NULL;
338}
339
340if(!(gen = GENERAL_NAME_new())) {
341 X509V3err(X509V3_F_V2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
342 return NULL;
343}
344
345if(!name_cmp(name, "email")) {
346 is_string = 1;
347 type = GEN_EMAIL;
348} else if(!name_cmp(name, "URI")) {
349 is_string = 1;
350 type = GEN_URI;
351} else if(!name_cmp(name, "DNS")) {
352 is_string = 1;
353 type = GEN_DNS;
354} else if(!name_cmp(name, "RID")) {
355 ASN1_OBJECT *obj;
356 if(!(obj = OBJ_txt2obj(value,0))) {
357 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_BAD_OBJECT);
358 ERR_add_error_data(2, "value=", value);
359 goto err;
360 }
361 gen->d.rid = obj;
362 type = GEN_RID;
363} else if(!name_cmp(name, "IP")) {
364 int i1,i2,i3,i4;
365 unsigned char ip[4];
366 if((sscanf(value, "%d.%d.%d.%d",&i1,&i2,&i3,&i4) != 4) ||
367 (i1 < 0) || (i1 > 255) || (i2 < 0) || (i2 > 255) ||
368 (i3 < 0) || (i3 > 255) || (i4 < 0) || (i4 > 255) ) {
369 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_BAD_IP_ADDRESS);
370 ERR_add_error_data(2, "value=", value);
371 goto err;
372 }
373 ip[0] = i1; ip[1] = i2 ; ip[2] = i3 ; ip[3] = i4;
374 if(!(gen->d.ip = ASN1_OCTET_STRING_new()) ||
375 !ASN1_STRING_set(gen->d.ip, ip, 4)) {
376 X509V3err(X509V3_F_V2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
377 goto err;
378 }
379 type = GEN_IPADD;
380} else {
381 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_UNSUPPORTED_OPTION);
382 ERR_add_error_data(2, "name=", name);
383 goto err;
384}
385
386if(is_string) {
387 if(!(gen->d.ia5 = ASN1_IA5STRING_new()) ||
388 !ASN1_STRING_set(gen->d.ia5, (unsigned char*)value,
389 strlen(value))) {
390 X509V3err(X509V3_F_V2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
391 goto err;
392 }
393}
394
395gen->type = type;
396
397return gen;
398
399err:
400GENERAL_NAME_free(gen);
401return NULL;
402}