1 /* $MirOS: src/lib/libssl/src/crypto/x509v3/v3_alt.c,v 1.3 2007/03/08 10:50:15 tg Exp $ */
2
3 /* v3_alt.c */
4 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
5 * project.
6 */
7 /* ====================================================================
8 * Copyright (c) 1999-2003 The OpenSSL Project. All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 *
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 *
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in
19 * the documentation and/or other materials provided with the
20 * distribution.
21 *
22 * 3. All advertising materials mentioning features or use of this
23 * software must display the following acknowledgment:
24 * "This product includes software developed by the OpenSSL Project
25 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
26 *
27 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
28 * endorse or promote products derived from this software without
29 * prior written permission. For written permission, please contact
30 * licensing@OpenSSL.org.
31 *
32 * 5. Products derived from this software may not be called "OpenSSL"
33 * nor may "OpenSSL" appear in their names without prior written
34 * permission of the OpenSSL Project.
35 *
36 * 6. Redistributions of any form whatsoever must retain the following
37 * acknowledgment:
38 * "This product includes software developed by the OpenSSL Project
39 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
42 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
44 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
45 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
46 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
47 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
48 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
49 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
50 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
51 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
52 * OF THE POSSIBILITY OF SUCH DAMAGE.
53 * ====================================================================
54 *
55 * This product includes cryptographic software written by Eric Young
56 * (eay@cryptsoft.com). This product includes software written by Tim
57 * Hudson (tjh@cryptsoft.com).
58 *
59 */
60
61 #include <stdio.h>
62 #include "cryptlib.h"
63 #include <openssl/conf.h>
64 #include <openssl/x509v3.h>
65
66 __RCSID("$MirOS: src/lib/libssl/src/crypto/x509v3/v3_alt.c,v 1.3 2007/03/08 10:50:15 tg Exp $");
67
68 static GENERAL_NAMES *v2i_subject_alt(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
69 static GENERAL_NAMES *v2i_issuer_alt(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
70 static int copy_email(X509V3_CTX *ctx, GENERAL_NAMES *gens, int move_p);
71 static int copy_issuer(X509V3_CTX *ctx, GENERAL_NAMES *gens);
72 const X509V3_EXT_METHOD v3_alt[] = {
73 { NID_subject_alt_name, 0, ASN1_ITEM_ref(GENERAL_NAMES),
74 0,0,0,0,
75 0,0,
76 (X509V3_EXT_I2V)i2v_GENERAL_NAMES,
77 (X509V3_EXT_V2I)v2i_subject_alt,
78 NULL, NULL, NULL},
79
80 { NID_issuer_alt_name, 0, ASN1_ITEM_ref(GENERAL_NAMES),
81 0,0,0,0,
82 0,0,
83 (X509V3_EXT_I2V)i2v_GENERAL_NAMES,
84 (X509V3_EXT_V2I)v2i_issuer_alt,
85 NULL, NULL, NULL},
86 };
87
STACK_OF(CONF_VALUE)88 STACK_OF(CONF_VALUE) *i2v_GENERAL_NAMES(X509V3_EXT_METHOD *method,
89 GENERAL_NAMES *gens, STACK_OF(CONF_VALUE) *ret)
90 {
91 int i;
92 GENERAL_NAME *gen;
93 for(i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
94 gen = sk_GENERAL_NAME_value(gens, i);
95 ret = i2v_GENERAL_NAME(method, gen, ret);
96 }
97 if(!ret) return sk_CONF_VALUE_new_null();
98 return ret;
99 }
100
STACK_OF(CONF_VALUE)101 STACK_OF(CONF_VALUE) *i2v_GENERAL_NAME(X509V3_EXT_METHOD *method,
102 GENERAL_NAME *gen, STACK_OF(CONF_VALUE) *ret)
103 {
104 unsigned char *p;
105 char oline[256], htmp[5];
106 int i;
107 switch (gen->type)
108 {
109 case GEN_OTHERNAME:
110 X509V3_add_value("othername","<unsupported>", &ret);
111 break;
112
113 case GEN_X400:
114 X509V3_add_value("X400Name","<unsupported>", &ret);
115 break;
116
117 case GEN_EDIPARTY:
118 X509V3_add_value("EdiPartyName","<unsupported>", &ret);
119 break;
120
121 case GEN_EMAIL:
122 X509V3_add_value_uchar("email",gen->d.ia5->data, &ret);
123 break;
124
125 case GEN_DNS:
126 X509V3_add_value_uchar("DNS",gen->d.ia5->data, &ret);
127 break;
128
129 case GEN_URI:
130 X509V3_add_value_uchar("URI",gen->d.ia5->data, &ret);
131 break;
132
133 case GEN_DIRNAME:
134 X509_NAME_oneline(gen->d.dirn, oline, 256);
135 X509V3_add_value("DirName",oline, &ret);
136 break;
137
138 case GEN_IPADD:
139 p = gen->d.ip->data;
140 if(gen->d.ip->length == 4)
141 BIO_snprintf(oline, sizeof oline,
142 "%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
143 else if(gen->d.ip->length == 16)
144 {
145 oline[0] = 0;
146 for (i = 0; i < 8; i++)
147 {
148 BIO_snprintf(htmp, sizeof htmp,
149 "%X", p[0] << 8 | p[1]);
150 p += 2;
151 strlcat(oline, htmp, sizeof oline);
152 if (i != 7)
153 strlcat(oline, ":", sizeof oline);
154 }
155 }
156 else
157 {
158 X509V3_add_value("IP Address","<invalid>", &ret);
159 break;
160 }
161 X509V3_add_value("IP Address",oline, &ret);
162 break;
163
164 case GEN_RID:
165 i2t_ASN1_OBJECT(oline, 256, gen->d.rid);
166 X509V3_add_value("Registered ID",oline, &ret);
167 break;
168 }
169 return ret;
170 }
171
GENERAL_NAME_print(BIO * out,GENERAL_NAME * gen)172 int GENERAL_NAME_print(BIO *out, GENERAL_NAME *gen)
173 {
174 unsigned char *p;
175 int i;
176 switch (gen->type)
177 {
178 case GEN_OTHERNAME:
179 BIO_printf(out, "othername:<unsupported>");
180 break;
181
182 case GEN_X400:
183 BIO_printf(out, "X400Name:<unsupported>");
184 break;
185
186 case GEN_EDIPARTY:
187 /* Maybe fix this: it is supported now */
188 BIO_printf(out, "EdiPartyName:<unsupported>");
189 break;
190
191 case GEN_EMAIL:
192 BIO_printf(out, "email:%s",gen->d.ia5->data);
193 break;
194
195 case GEN_DNS:
196 BIO_printf(out, "DNS:%s",gen->d.ia5->data);
197 break;
198
199 case GEN_URI:
200 BIO_printf(out, "URI:%s",gen->d.ia5->data);
201 break;
202
203 case GEN_DIRNAME:
204 BIO_printf(out, "DirName: ");
205 X509_NAME_print_ex(out, gen->d.dirn, 0, XN_FLAG_ONELINE);
206 break;
207
208 case GEN_IPADD:
209 p = gen->d.ip->data;
210 if(gen->d.ip->length == 4)
211 BIO_printf(out, "IP Address:%d.%d.%d.%d",
212 p[0], p[1], p[2], p[3]);
213 else if(gen->d.ip->length == 16)
214 {
215 BIO_printf(out, "IP Address");
216 for (i = 0; i < 8; i++)
217 {
218 BIO_printf(out, ":%X", p[0] << 8 | p[1]);
219 p += 2;
220 }
221 BIO_puts(out, "\n");
222 }
223 else
224 {
225 BIO_printf(out,"IP Address:<invalid>");
226 break;
227 }
228 break;
229
230 case GEN_RID:
231 BIO_printf(out, "Registered ID");
232 i2a_ASN1_OBJECT(out, gen->d.rid);
233 break;
234 }
235 return 1;
236 }
237
v2i_issuer_alt(X509V3_EXT_METHOD * method,X509V3_CTX * ctx,STACK_OF (CONF_VALUE)* nval)238 static GENERAL_NAMES *v2i_issuer_alt(X509V3_EXT_METHOD *method,
239 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
240 {
241 GENERAL_NAMES *gens = NULL;
242 CONF_VALUE *cnf;
243 int i;
244 if(!(gens = sk_GENERAL_NAME_new_null())) {
245 X509V3err(X509V3_F_V2I_GENERAL_NAMES,ERR_R_MALLOC_FAILURE);
246 return NULL;
247 }
248 for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
249 cnf = sk_CONF_VALUE_value(nval, i);
250 if(!name_cmp(cnf->name, "issuer") && cnf->value &&
251 !strcmp(cnf->value, "copy")) {
252 if(!copy_issuer(ctx, gens)) goto err;
253 } else {
254 GENERAL_NAME *gen;
255 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
256 goto err;
257 sk_GENERAL_NAME_push(gens, gen);
258 }
259 }
260 return gens;
261 err:
262 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
263 return NULL;
264 }
265
266 /* Append subject altname of issuer to issuer alt name of subject */
267
copy_issuer(X509V3_CTX * ctx,GENERAL_NAMES * gens)268 static int copy_issuer(X509V3_CTX *ctx, GENERAL_NAMES *gens)
269 {
270 GENERAL_NAMES *ialt;
271 GENERAL_NAME *gen;
272 X509_EXTENSION *ext;
273 int i;
274 if(ctx && (ctx->flags == CTX_TEST)) return 1;
275 if(!ctx || !ctx->issuer_cert) {
276 X509V3err(X509V3_F_COPY_ISSUER,X509V3_R_NO_ISSUER_DETAILS);
277 goto err;
278 }
279 i = X509_get_ext_by_NID(ctx->issuer_cert, NID_subject_alt_name, -1);
280 if(i < 0) return 1;
281 if(!(ext = X509_get_ext(ctx->issuer_cert, i)) ||
282 !(ialt = X509V3_EXT_d2i(ext)) ) {
283 X509V3err(X509V3_F_COPY_ISSUER,X509V3_R_ISSUER_DECODE_ERROR);
284 goto err;
285 }
286
287 for(i = 0; i < sk_GENERAL_NAME_num(ialt); i++) {
288 gen = sk_GENERAL_NAME_value(ialt, i);
289 if(!sk_GENERAL_NAME_push(gens, gen)) {
290 X509V3err(X509V3_F_COPY_ISSUER,ERR_R_MALLOC_FAILURE);
291 goto err;
292 }
293 }
294 sk_GENERAL_NAME_free(ialt);
295
296 return 1;
297
298 err:
299 return 0;
300
301 }
302
v2i_subject_alt(X509V3_EXT_METHOD * method,X509V3_CTX * ctx,STACK_OF (CONF_VALUE)* nval)303 static GENERAL_NAMES *v2i_subject_alt(X509V3_EXT_METHOD *method,
304 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
305 {
306 GENERAL_NAMES *gens = NULL;
307 CONF_VALUE *cnf;
308 int i;
309 if(!(gens = sk_GENERAL_NAME_new_null())) {
310 X509V3err(X509V3_F_V2I_GENERAL_NAMES,ERR_R_MALLOC_FAILURE);
311 return NULL;
312 }
313 for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
314 cnf = sk_CONF_VALUE_value(nval, i);
315 if(!name_cmp(cnf->name, "email") && cnf->value &&
316 !strcmp(cnf->value, "copy")) {
317 if(!copy_email(ctx, gens, 0)) goto err;
318 } else if(!name_cmp(cnf->name, "email") && cnf->value &&
319 !strcmp(cnf->value, "move")) {
320 if(!copy_email(ctx, gens, 1)) goto err;
321 } else {
322 GENERAL_NAME *gen;
323 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
324 goto err;
325 sk_GENERAL_NAME_push(gens, gen);
326 }
327 }
328 return gens;
329 err:
330 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
331 return NULL;
332 }
333
334 /* Copy any email addresses in a certificate or request to
335 * GENERAL_NAMES
336 */
337
copy_email(X509V3_CTX * ctx,GENERAL_NAMES * gens,int move_p)338 static int copy_email(X509V3_CTX *ctx, GENERAL_NAMES *gens, int move_p)
339 {
340 X509_NAME *nm;
341 ASN1_IA5STRING *email = NULL;
342 X509_NAME_ENTRY *ne;
343 GENERAL_NAME *gen = NULL;
344 int i;
345 if(ctx->flags == CTX_TEST) return 1;
346 if(!ctx || (!ctx->subject_cert && !ctx->subject_req)) {
347 X509V3err(X509V3_F_COPY_EMAIL,X509V3_R_NO_SUBJECT_DETAILS);
348 goto err;
349 }
350 /* Find the subject name */
351 if(ctx->subject_cert) nm = X509_get_subject_name(ctx->subject_cert);
352 else nm = X509_REQ_get_subject_name(ctx->subject_req);
353
354 /* Now add any email address(es) to STACK */
355 i = -1;
356 while((i = X509_NAME_get_index_by_NID(nm,
357 NID_pkcs9_emailAddress, i)) >= 0) {
358 ne = X509_NAME_get_entry(nm, i);
359 email = M_ASN1_IA5STRING_dup(X509_NAME_ENTRY_get_data(ne));
360 if (move_p)
361 {
362 X509_NAME_delete_entry(nm, i);
363 i--;
364 }
365 if(!email || !(gen = GENERAL_NAME_new())) {
366 X509V3err(X509V3_F_COPY_EMAIL,ERR_R_MALLOC_FAILURE);
367 goto err;
368 }
369 gen->d.ia5 = email;
370 email = NULL;
371 gen->type = GEN_EMAIL;
372 if(!sk_GENERAL_NAME_push(gens, gen)) {
373 X509V3err(X509V3_F_COPY_EMAIL,ERR_R_MALLOC_FAILURE);
374 goto err;
375 }
376 gen = NULL;
377 }
378
379
380 return 1;
381
382 err:
383 GENERAL_NAME_free(gen);
384 M_ASN1_IA5STRING_free(email);
385 return 0;
386
387 }
388
v2i_GENERAL_NAMES(X509V3_EXT_METHOD * method,X509V3_CTX * ctx,STACK_OF (CONF_VALUE)* nval)389 GENERAL_NAMES *v2i_GENERAL_NAMES(X509V3_EXT_METHOD *method,
390 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
391 {
392 GENERAL_NAME *gen;
393 GENERAL_NAMES *gens = NULL;
394 CONF_VALUE *cnf;
395 int i;
396 if(!(gens = sk_GENERAL_NAME_new_null())) {
397 X509V3err(X509V3_F_V2I_GENERAL_NAMES,ERR_R_MALLOC_FAILURE);
398 return NULL;
399 }
400 for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
401 cnf = sk_CONF_VALUE_value(nval, i);
402 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf))) goto err;
403 sk_GENERAL_NAME_push(gens, gen);
404 }
405 return gens;
406 err:
407 sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free);
408 return NULL;
409 }
410
v2i_GENERAL_NAME(X509V3_EXT_METHOD * method,X509V3_CTX * ctx,CONF_VALUE * cnf)411 GENERAL_NAME *v2i_GENERAL_NAME(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
412 CONF_VALUE *cnf)
413 {
414 char is_string = 0;
415 int type;
416 GENERAL_NAME *gen = NULL;
417
418 char *name, *value;
419
420 name = cnf->name;
421 value = cnf->value;
422
423 if(!value) {
424 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_MISSING_VALUE);
425 return NULL;
426 }
427
428 if(!(gen = GENERAL_NAME_new())) {
429 X509V3err(X509V3_F_V2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
430 return NULL;
431 }
432
433 if(!name_cmp(name, "email")) {
434 is_string = 1;
435 type = GEN_EMAIL;
436 } else if(!name_cmp(name, "URI")) {
437 is_string = 1;
438 type = GEN_URI;
439 } else if(!name_cmp(name, "DNS")) {
440 is_string = 1;
441 type = GEN_DNS;
442 } else if(!name_cmp(name, "RID")) {
443 ASN1_OBJECT *obj;
444 if(!(obj = OBJ_txt2obj(value,0))) {
445 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_BAD_OBJECT);
446 ERR_add_error_data(2, "value=", value);
447 goto err;
448 }
449 gen->d.rid = obj;
450 type = GEN_RID;
451 } else if(!name_cmp(name, "IP")) {
452 if(!(gen->d.ip = a2i_IPADDRESS(value)))
453 {
454 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_BAD_IP_ADDRESS);
455 ERR_add_error_data(2, "value=", value);
456 goto err;
457 }
458 type = GEN_IPADD;
459 } else {
460 X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_UNSUPPORTED_OPTION);
461 ERR_add_error_data(2, "name=", name);
462 goto err;
463 }
464
465 if(is_string) {
466 if(!(gen->d.ia5 = M_ASN1_IA5STRING_new()) ||
467 !ASN1_STRING_set(gen->d.ia5, (unsigned char*)value,
468 strlen(value))) {
469 X509V3err(X509V3_F_V2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
470 goto err;
471 }
472 }
473
474 gen->type = type;
475
476 return gen;
477
478 err:
479 GENERAL_NAME_free(gen);
480 return NULL;
481 }
482