1 /* v3_cpols.c */
2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project 1999.
4 */
5 /* ====================================================================
6 * Copyright (c) 1999-2004 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/asn1.h>
63 #include <openssl/asn1t.h>
64 #include <openssl/x509v3.h>
65
66 #include "pcy_int.h"
67
68 /* Certificate policies extension support: this one is a bit complex... */
69
70 static int i2r_certpol(X509V3_EXT_METHOD *method, STACK_OF(POLICYINFO) *pol, BIO *out, int indent);
71 static STACK_OF(POLICYINFO) *r2i_certpol(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, char *value);
72 static void print_qualifiers(BIO *out, STACK_OF(POLICYQUALINFO) *quals, int indent);
73 static void print_notice(BIO *out, USERNOTICE *notice, int indent);
74 static POLICYINFO *policy_section(X509V3_CTX *ctx,
75 STACK_OF(CONF_VALUE) *polstrs, int ia5org);
76 static POLICYQUALINFO *notice_section(X509V3_CTX *ctx,
77 STACK_OF(CONF_VALUE) *unot, int ia5org);
78 static int nref_nos(STACK_OF(ASN1_INTEGER) *nnums, STACK_OF(CONF_VALUE) *nos);
79
80 const X509V3_EXT_METHOD v3_cpols = {
81 NID_certificate_policies, 0,ASN1_ITEM_ref(CERTIFICATEPOLICIES),
82 0,0,0,0,
83 0,0,
84 0,0,
85 (X509V3_EXT_I2R)i2r_certpol,
86 (X509V3_EXT_R2I)r2i_certpol,
87 NULL
88 };
89
90 ASN1_ITEM_TEMPLATE(CERTIFICATEPOLICIES) =
91 ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, CERTIFICATEPOLICIES, POLICYINFO)
92 ASN1_ITEM_TEMPLATE_END(CERTIFICATEPOLICIES)
93
94 IMPLEMENT_ASN1_FUNCTIONS(CERTIFICATEPOLICIES)
95
96 ASN1_SEQUENCE(POLICYINFO) = {
97 ASN1_SIMPLE(POLICYINFO, policyid, ASN1_OBJECT),
98 ASN1_SEQUENCE_OF_OPT(POLICYINFO, qualifiers, POLICYQUALINFO)
99 } ASN1_SEQUENCE_END(POLICYINFO)
100
101 IMPLEMENT_ASN1_FUNCTIONS(POLICYINFO)
102
103 ASN1_ADB_TEMPLATE(policydefault) = ASN1_SIMPLE(POLICYQUALINFO, d.other, ASN1_ANY);
104
105 ASN1_ADB(POLICYQUALINFO) = {
106 ADB_ENTRY(NID_id_qt_cps, ASN1_SIMPLE(POLICYQUALINFO, d.cpsuri, ASN1_IA5STRING)),
107 ADB_ENTRY(NID_id_qt_unotice, ASN1_SIMPLE(POLICYQUALINFO, d.usernotice, USERNOTICE))
108 } ASN1_ADB_END(POLICYQUALINFO, 0, pqualid, 0, &policydefault_tt, NULL);
109
110 ASN1_SEQUENCE(POLICYQUALINFO) = {
111 ASN1_SIMPLE(POLICYQUALINFO, pqualid, ASN1_OBJECT),
112 ASN1_ADB_OBJECT(POLICYQUALINFO)
113 } ASN1_SEQUENCE_END(POLICYQUALINFO)
114
115 IMPLEMENT_ASN1_FUNCTIONS(POLICYQUALINFO)
116
117 ASN1_SEQUENCE(USERNOTICE) = {
118 ASN1_OPT(USERNOTICE, noticeref, NOTICEREF),
119 ASN1_OPT(USERNOTICE, exptext, DISPLAYTEXT)
120 } ASN1_SEQUENCE_END(USERNOTICE)
121
122 IMPLEMENT_ASN1_FUNCTIONS(USERNOTICE)
123
124 ASN1_SEQUENCE(NOTICEREF) = {
125 ASN1_SIMPLE(NOTICEREF, organization, DISPLAYTEXT),
126 ASN1_SEQUENCE_OF(NOTICEREF, noticenos, ASN1_INTEGER)
127 } ASN1_SEQUENCE_END(NOTICEREF)
128
129 IMPLEMENT_ASN1_FUNCTIONS(NOTICEREF)
130
131 static STACK_OF(POLICYINFO) *r2i_certpol(X509V3_EXT_METHOD *method,
132 X509V3_CTX *ctx, char *value)
133 {
134 STACK_OF(POLICYINFO) *pols = NULL;
135 char *pstr;
136 POLICYINFO *pol;
137 ASN1_OBJECT *pobj;
138 STACK_OF(CONF_VALUE) *vals;
139 CONF_VALUE *cnf;
140 int i, ia5org;
141 pols = sk_POLICYINFO_new_null();
142 if (pols == NULL) {
143 X509V3err(X509V3_F_R2I_CERTPOL, ERR_R_MALLOC_FAILURE);
144 return NULL;
145 }
146 vals = X509V3_parse_list(value);
147 if (vals == NULL) {
148 X509V3err(X509V3_F_R2I_CERTPOL, ERR_R_X509V3_LIB);
149 goto err;
150 }
151 ia5org = 0;
152 for(i = 0; i < sk_CONF_VALUE_num(vals); i++) {
153 cnf = sk_CONF_VALUE_value(vals, i);
154 if(cnf->value || !cnf->name ) {
155 X509V3err(X509V3_F_R2I_CERTPOL,X509V3_R_INVALID_POLICY_IDENTIFIER);
156 X509V3_conf_err(cnf);
157 goto err;
158 }
159 pstr = cnf->name;
160 if(!strcmp(pstr,"ia5org")) {
161 ia5org = 1;
162 continue;
163 } else if(*pstr == '@') {
164 STACK_OF(CONF_VALUE) *polsect;
165 polsect = X509V3_get_section(ctx, pstr + 1);
166 if(!polsect) {
167 X509V3err(X509V3_F_R2I_CERTPOL,X509V3_R_INVALID_SECTION);
168
169 X509V3_conf_err(cnf);
170 goto err;
171 }
172 pol = policy_section(ctx, polsect, ia5org);
173 X509V3_section_free(ctx, polsect);
174 if(!pol) goto err;
175 } else {
176 if(!(pobj = OBJ_txt2obj(cnf->name, 0))) {
177 X509V3err(X509V3_F_R2I_CERTPOL,X509V3_R_INVALID_OBJECT_IDENTIFIER);
178 X509V3_conf_err(cnf);
179 goto err;
180 }
181 pol = POLICYINFO_new();
182 pol->policyid = pobj;
183 }
184 if (!sk_POLICYINFO_push(pols, pol)){
185 POLICYINFO_free(pol);
186 X509V3err(X509V3_F_R2I_CERTPOL, ERR_R_MALLOC_FAILURE);
187 goto err;
188 }
189 }
190 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
191 return pols;
192 err:
193 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
194 sk_POLICYINFO_pop_free(pols, POLICYINFO_free);
195 return NULL;
196 }
197
198 static POLICYINFO *policy_section(X509V3_CTX *ctx,
199 STACK_OF(CONF_VALUE) *polstrs, int ia5org)
200 {
201 int i;
202 CONF_VALUE *cnf;
203 POLICYINFO *pol;
204 POLICYQUALINFO *qual;
205 if(!(pol = POLICYINFO_new())) goto merr;
206 for(i = 0; i < sk_CONF_VALUE_num(polstrs); i++) {
207 cnf = sk_CONF_VALUE_value(polstrs, i);
208 if(!strcmp(cnf->name, "policyIdentifier")) {
209 ASN1_OBJECT *pobj;
210 if(!(pobj = OBJ_txt2obj(cnf->value, 0))) {
211 X509V3err(X509V3_F_POLICY_SECTION,X509V3_R_INVALID_OBJECT_IDENTIFIER);
212 X509V3_conf_err(cnf);
213 goto err;
214 }
215 pol->policyid = pobj;
216
217 } else if(!name_cmp(cnf->name, "CPS")) {
218 if(!pol->qualifiers) pol->qualifiers =
219 sk_POLICYQUALINFO_new_null();
220 if(!(qual = POLICYQUALINFO_new())) goto merr;
221 if(!sk_POLICYQUALINFO_push(pol->qualifiers, qual))
222 goto merr;
223 qual->pqualid = OBJ_nid2obj(NID_id_qt_cps);
224 qual->d.cpsuri = M_ASN1_IA5STRING_new();
225 if(!ASN1_STRING_set(qual->d.cpsuri, cnf->value,
226 strlen(cnf->value))) goto merr;
227 } else if(!name_cmp(cnf->name, "userNotice")) {
228 STACK_OF(CONF_VALUE) *unot;
229 if(*cnf->value != '@') {
230 X509V3err(X509V3_F_POLICY_SECTION,X509V3_R_EXPECTED_A_SECTION_NAME);
231 X509V3_conf_err(cnf);
232 goto err;
233 }
234 unot = X509V3_get_section(ctx, cnf->value + 1);
235 if(!unot) {
236 X509V3err(X509V3_F_POLICY_SECTION,X509V3_R_INVALID_SECTION);
237
238 X509V3_conf_err(cnf);
239 goto err;
240 }
241 qual = notice_section(ctx, unot, ia5org);
242 X509V3_section_free(ctx, unot);
243 if(!qual) goto err;
244 if(!pol->qualifiers) pol->qualifiers =
245 sk_POLICYQUALINFO_new_null();
246 if(!sk_POLICYQUALINFO_push(pol->qualifiers, qual))
247 goto merr;
248 } else {
249 X509V3err(X509V3_F_POLICY_SECTION,X509V3_R_INVALID_OPTION);
250
251 X509V3_conf_err(cnf);
252 goto err;
253 }
254 }
255 if(!pol->policyid) {
256 X509V3err(X509V3_F_POLICY_SECTION,X509V3_R_NO_POLICY_IDENTIFIER);
257 goto err;
258 }
259
260 return pol;
261
262 merr:
263 X509V3err(X509V3_F_POLICY_SECTION,ERR_R_MALLOC_FAILURE);
264
265 err:
266 POLICYINFO_free(pol);
267 return NULL;
268
269
270 }
271
272 static POLICYQUALINFO *notice_section(X509V3_CTX *ctx,
273 STACK_OF(CONF_VALUE) *unot, int ia5org)
274 {
275 int i, ret;
276 CONF_VALUE *cnf;
277 USERNOTICE *not;
278 POLICYQUALINFO *qual;
279 if(!(qual = POLICYQUALINFO_new())) goto merr;
280 qual->pqualid = OBJ_nid2obj(NID_id_qt_unotice);
281 if(!(not = USERNOTICE_new())) goto merr;
282 qual->d.usernotice = not;
283 for(i = 0; i < sk_CONF_VALUE_num(unot); i++) {
284 cnf = sk_CONF_VALUE_value(unot, i);
285 if(!strcmp(cnf->name, "explicitText")) {
286 not->exptext = M_ASN1_VISIBLESTRING_new();
287 if(!ASN1_STRING_set(not->exptext, cnf->value,
288 strlen(cnf->value))) goto merr;
289 } else if(!strcmp(cnf->name, "organization")) {
290 NOTICEREF *nref;
291 if(!not->noticeref) {
292 if(!(nref = NOTICEREF_new())) goto merr;
293 not->noticeref = nref;
294 } else nref = not->noticeref;
295 if(ia5org) nref->organization->type = V_ASN1_IA5STRING;
296 else nref->organization->type = V_ASN1_VISIBLESTRING;
297 if(!ASN1_STRING_set(nref->organization, cnf->value,
298 strlen(cnf->value))) goto merr;
299 } else if(!strcmp(cnf->name, "noticeNumbers")) {
300 NOTICEREF *nref;
301 STACK_OF(CONF_VALUE) *nos;
302 if(!not->noticeref) {
303 if(!(nref = NOTICEREF_new())) goto merr;
304 not->noticeref = nref;
305 } else nref = not->noticeref;
306 nos = X509V3_parse_list(cnf->value);
307 if(!nos || !sk_CONF_VALUE_num(nos)) {
308 X509V3err(X509V3_F_NOTICE_SECTION,X509V3_R_INVALID_NUMBERS);
309 X509V3_conf_err(cnf);
310 goto err;
311 }
312 ret = nref_nos(nref->noticenos, nos);
313 sk_CONF_VALUE_pop_free(nos, X509V3_conf_free);
314 if (!ret)
315 goto err;
316 } else {
317 X509V3err(X509V3_F_NOTICE_SECTION,X509V3_R_INVALID_OPTION);
318 X509V3_conf_err(cnf);
319 goto err;
320 }
321 }
322
323 if(not->noticeref &&
324 (!not->noticeref->noticenos || !not->noticeref->organization)) {
325 X509V3err(X509V3_F_NOTICE_SECTION,X509V3_R_NEED_ORGANIZATION_AND_NUMBERS);
326 goto err;
327 }
328
329 return qual;
330
331 merr:
332 X509V3err(X509V3_F_NOTICE_SECTION,ERR_R_MALLOC_FAILURE);
333
334 err:
335 POLICYQUALINFO_free(qual);
336 return NULL;
337 }
338
339 static int nref_nos(STACK_OF(ASN1_INTEGER) *nnums, STACK_OF(CONF_VALUE) *nos)
340 {
341 CONF_VALUE *cnf;
342 ASN1_INTEGER *aint;
343
344 int i;
345
346 for(i = 0; i < sk_CONF_VALUE_num(nos); i++) {
347 cnf = sk_CONF_VALUE_value(nos, i);
348 if(!(aint = s2i_ASN1_INTEGER(NULL, cnf->name))) {
349 X509V3err(X509V3_F_NREF_NOS,X509V3_R_INVALID_NUMBER);
350 goto err;
351 }
352 if(!sk_ASN1_INTEGER_push(nnums, aint)) goto merr;
353 }
354 return 1;
355
356 merr:
357 X509V3err(X509V3_F_NREF_NOS,ERR_R_MALLOC_FAILURE);
358
359 err:
360 sk_ASN1_INTEGER_pop_free(nnums, ASN1_STRING_free);
361 return 0;
362 }
363
364
365 static int i2r_certpol(X509V3_EXT_METHOD *method, STACK_OF(POLICYINFO) *pol,
366 BIO *out, int indent)
367 {
368 int i;
369 POLICYINFO *pinfo;
370 /* First print out the policy OIDs */
371 for(i = 0; i < sk_POLICYINFO_num(pol); i++) {
372 pinfo = sk_POLICYINFO_value(pol, i);
373 BIO_printf(out, "%*sPolicy: ", indent, "");
374 i2a_ASN1_OBJECT(out, pinfo->policyid);
375 BIO_puts(out, "\n");
376 if(pinfo->qualifiers)
377 print_qualifiers(out, pinfo->qualifiers, indent + 2);
378 }
379 return 1;
380 }
381
382 static void print_qualifiers(BIO *out, STACK_OF(POLICYQUALINFO) *quals,
383 int indent)
384 {
385 POLICYQUALINFO *qualinfo;
386 int i;
387 for(i = 0; i < sk_POLICYQUALINFO_num(quals); i++) {
388 qualinfo = sk_POLICYQUALINFO_value(quals, i);
389 switch(OBJ_obj2nid(qualinfo->pqualid))
390 {
391 case NID_id_qt_cps:
392 BIO_printf(out, "%*sCPS: %s\n", indent, "",
393 qualinfo->d.cpsuri->data);
394 break;
395
396 case NID_id_qt_unotice:
397 BIO_printf(out, "%*sUser Notice:\n", indent, "");
398 print_notice(out, qualinfo->d.usernotice, indent + 2);
399 break;
400
401 default:
402 BIO_printf(out, "%*sUnknown Qualifier: ",
403 indent + 2, "");
404
405 i2a_ASN1_OBJECT(out, qualinfo->pqualid);
406 BIO_puts(out, "\n");
407 break;
408 }
409 }
410 }
411
412 static void print_notice(BIO *out, USERNOTICE *notice, int indent)
413 {
414 int i;
415 if(notice->noticeref) {
416 NOTICEREF *ref;
417 ref = notice->noticeref;
418 BIO_printf(out, "%*sOrganization: %s\n", indent, "",
419 ref->organization->data);
420 BIO_printf(out, "%*sNumber%s: ", indent, "",
421 sk_ASN1_INTEGER_num(ref->noticenos) > 1 ? "s" : "");
422 for(i = 0; i < sk_ASN1_INTEGER_num(ref->noticenos); i++) {
423 ASN1_INTEGER *num;
424 char *tmp;
425 num = sk_ASN1_INTEGER_value(ref->noticenos, i);
426 if(i) BIO_puts(out, ", ");
427 tmp = i2s_ASN1_INTEGER(NULL, num);
428 BIO_puts(out, tmp);
429 OPENSSL_free(tmp);
430 }
431 BIO_puts(out, "\n");
432 }
433 if(notice->exptext)
434 BIO_printf(out, "%*sExplicit Text: %s\n", indent, "",
435 notice->exptext->data);
436 }
437
438 void X509_POLICY_NODE_print(BIO *out, X509_POLICY_NODE *node, int indent)
439 {
440 const X509_POLICY_DATA *dat = node->data;
441
442 BIO_printf(out, "%*sPolicy: ", indent, "");
443
444 i2a_ASN1_OBJECT(out, dat->valid_policy);
445 BIO_puts(out, "\n");
446 BIO_printf(out, "%*s%s\n", indent + 2, "",
447 node_data_critical(dat) ? "Critical" : "Non Critical");
448 if (dat->qualifier_set)
449 print_qualifiers(out, dat->qualifier_set, indent + 2);
450 else
451 BIO_printf(out, "%*sNo Qualifiers\n", indent + 2, "");
452 }
453
454
455 IMPLEMENT_STACK_OF(X509_POLICY_NODE)
456 IMPLEMENT_STACK_OF(X509_POLICY_DATA)