1 /* v3_cpols.c */
2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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 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 sk_POLICYINFO_push(pols, pol);
185 }
186 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
187 return pols;
188 err:
189 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
190 sk_POLICYINFO_pop_free(pols, POLICYINFO_free);
191 return NULL;
192 }
193
policy_section(X509V3_CTX * ctx,STACK_OF (CONF_VALUE)* polstrs,int ia5org)194 static POLICYINFO *policy_section(X509V3_CTX *ctx,
195 STACK_OF(CONF_VALUE) *polstrs, int ia5org)
196 {
197 int i;
198 CONF_VALUE *cnf;
199 POLICYINFO *pol;
200 POLICYQUALINFO *qual;
201 if(!(pol = POLICYINFO_new())) goto merr;
202 for(i = 0; i < sk_CONF_VALUE_num(polstrs); i++) {
203 cnf = sk_CONF_VALUE_value(polstrs, i);
204 if(!strcmp(cnf->name, "policyIdentifier")) {
205 ASN1_OBJECT *pobj;
206 if(!(pobj = OBJ_txt2obj(cnf->value, 0))) {
207 X509V3err(X509V3_F_POLICY_SECTION,X509V3_R_INVALID_OBJECT_IDENTIFIER);
208 X509V3_conf_err(cnf);
209 goto err;
210 }
211 pol->policyid = pobj;
212
213 } else if(!name_cmp(cnf->name, "CPS")) {
214 if(!pol->qualifiers) pol->qualifiers =
215 sk_POLICYQUALINFO_new_null();
216 if(!(qual = POLICYQUALINFO_new())) goto merr;
217 if(!sk_POLICYQUALINFO_push(pol->qualifiers, qual))
218 goto merr;
219 qual->pqualid = OBJ_nid2obj(NID_id_qt_cps);
220 qual->d.cpsuri = M_ASN1_IA5STRING_new();
221 if(!ASN1_STRING_set(qual->d.cpsuri, cnf->value,
222 strlen(cnf->value))) goto merr;
223 } else if(!name_cmp(cnf->name, "userNotice")) {
224 STACK_OF(CONF_VALUE) *unot;
225 if(*cnf->value != '@') {
226 X509V3err(X509V3_F_POLICY_SECTION,X509V3_R_EXPECTED_A_SECTION_NAME);
227 X509V3_conf_err(cnf);
228 goto err;
229 }
230 unot = X509V3_get_section(ctx, cnf->value + 1);
231 if(!unot) {
232 X509V3err(X509V3_F_POLICY_SECTION,X509V3_R_INVALID_SECTION);
233
234 X509V3_conf_err(cnf);
235 goto err;
236 }
237 qual = notice_section(ctx, unot, ia5org);
238 X509V3_section_free(ctx, unot);
239 if(!qual) goto err;
240 if(!pol->qualifiers) pol->qualifiers =
241 sk_POLICYQUALINFO_new_null();
242 if(!sk_POLICYQUALINFO_push(pol->qualifiers, qual))
243 goto merr;
244 } else {
245 X509V3err(X509V3_F_POLICY_SECTION,X509V3_R_INVALID_OPTION);
246
247 X509V3_conf_err(cnf);
248 goto err;
249 }
250 }
251 if(!pol->policyid) {
252 X509V3err(X509V3_F_POLICY_SECTION,X509V3_R_NO_POLICY_IDENTIFIER);
253 goto err;
254 }
255
256 return pol;
257
258 merr:
259 X509V3err(X509V3_F_POLICY_SECTION,ERR_R_MALLOC_FAILURE);
260
261 err:
262 POLICYINFO_free(pol);
263 return NULL;
264
265
266 }
267
notice_section(X509V3_CTX * ctx,STACK_OF (CONF_VALUE)* unot,int ia5org)268 static POLICYQUALINFO *notice_section(X509V3_CTX *ctx,
269 STACK_OF(CONF_VALUE) *unot, int ia5org)
270 {
271 int i, ret;
272 CONF_VALUE *cnf;
273 USERNOTICE *not;
274 POLICYQUALINFO *qual;
275 if(!(qual = POLICYQUALINFO_new())) goto merr;
276 qual->pqualid = OBJ_nid2obj(NID_id_qt_unotice);
277 if(!(not = USERNOTICE_new())) goto merr;
278 qual->d.usernotice = not;
279 for(i = 0; i < sk_CONF_VALUE_num(unot); i++) {
280 cnf = sk_CONF_VALUE_value(unot, i);
281 if(!strcmp(cnf->name, "explicitText")) {
282 not->exptext = M_ASN1_VISIBLESTRING_new();
283 if(!ASN1_STRING_set(not->exptext, cnf->value,
284 strlen(cnf->value))) goto merr;
285 } else if(!strcmp(cnf->name, "organization")) {
286 NOTICEREF *nref;
287 if(!not->noticeref) {
288 if(!(nref = NOTICEREF_new())) goto merr;
289 not->noticeref = nref;
290 } else nref = not->noticeref;
291 if(ia5org) nref->organization->type = V_ASN1_IA5STRING;
292 else nref->organization->type = V_ASN1_VISIBLESTRING;
293 if(!ASN1_STRING_set(nref->organization, cnf->value,
294 strlen(cnf->value))) goto merr;
295 } else if(!strcmp(cnf->name, "noticeNumbers")) {
296 NOTICEREF *nref;
297 STACK_OF(CONF_VALUE) *nos;
298 if(!not->noticeref) {
299 if(!(nref = NOTICEREF_new())) goto merr;
300 not->noticeref = nref;
301 } else nref = not->noticeref;
302 nos = X509V3_parse_list(cnf->value);
303 if(!nos || !sk_CONF_VALUE_num(nos)) {
304 X509V3err(X509V3_F_NOTICE_SECTION,X509V3_R_INVALID_NUMBERS);
305 X509V3_conf_err(cnf);
306 goto err;
307 }
308 ret = nref_nos(nref->noticenos, nos);
309 sk_CONF_VALUE_pop_free(nos, X509V3_conf_free);
310 if (!ret)
311 goto err;
312 } else {
313 X509V3err(X509V3_F_NOTICE_SECTION,X509V3_R_INVALID_OPTION);
314 X509V3_conf_err(cnf);
315 goto err;
316 }
317 }
318
319 if(not->noticeref &&
320 (!not->noticeref->noticenos || !not->noticeref->organization)) {
321 X509V3err(X509V3_F_NOTICE_SECTION,X509V3_R_NEED_ORGANIZATION_AND_NUMBERS);
322 goto err;
323 }
324
325 return qual;
326
327 merr:
328 X509V3err(X509V3_F_NOTICE_SECTION,ERR_R_MALLOC_FAILURE);
329
330 err:
331 POLICYQUALINFO_free(qual);
332 return NULL;
333 }
334
nref_nos(STACK_OF (ASN1_INTEGER)* nnums,STACK_OF (CONF_VALUE)* nos)335 static int nref_nos(STACK_OF(ASN1_INTEGER) *nnums, STACK_OF(CONF_VALUE) *nos)
336 {
337 CONF_VALUE *cnf;
338 ASN1_INTEGER *aint;
339
340 int i;
341
342 for(i = 0; i < sk_CONF_VALUE_num(nos); i++) {
343 cnf = sk_CONF_VALUE_value(nos, i);
344 if(!(aint = s2i_ASN1_INTEGER(NULL, cnf->name))) {
345 X509V3err(X509V3_F_NREF_NOS,X509V3_R_INVALID_NUMBER);
346 goto err;
347 }
348 if(!sk_ASN1_INTEGER_push(nnums, aint)) goto merr;
349 }
350 return 1;
351
352 merr:
353 X509V3err(X509V3_F_NREF_NOS,ERR_R_MALLOC_FAILURE);
354
355 err:
356 sk_ASN1_INTEGER_pop_free(nnums, ASN1_STRING_free);
357 return 0;
358 }
359
360
i2r_certpol(X509V3_EXT_METHOD * method,STACK_OF (POLICYINFO)* pol,BIO * out,int indent)361 static int i2r_certpol(X509V3_EXT_METHOD *method, STACK_OF(POLICYINFO) *pol,
362 BIO *out, int indent)
363 {
364 int i;
365 POLICYINFO *pinfo;
366 /* First print out the policy OIDs */
367 for(i = 0; i < sk_POLICYINFO_num(pol); i++) {
368 pinfo = sk_POLICYINFO_value(pol, i);
369 BIO_printf(out, "%*sPolicy: ", indent, "");
370 i2a_ASN1_OBJECT(out, pinfo->policyid);
371 BIO_puts(out, "\n");
372 if(pinfo->qualifiers)
373 print_qualifiers(out, pinfo->qualifiers, indent + 2);
374 }
375 return 1;
376 }
377
print_qualifiers(BIO * out,STACK_OF (POLICYQUALINFO)* quals,int indent)378 static void print_qualifiers(BIO *out, STACK_OF(POLICYQUALINFO) *quals,
379 int indent)
380 {
381 POLICYQUALINFO *qualinfo;
382 int i;
383 for(i = 0; i < sk_POLICYQUALINFO_num(quals); i++) {
384 qualinfo = sk_POLICYQUALINFO_value(quals, i);
385 switch(OBJ_obj2nid(qualinfo->pqualid))
386 {
387 case NID_id_qt_cps:
388 BIO_printf(out, "%*sCPS: %s\n", indent, "",
389 qualinfo->d.cpsuri->data);
390 break;
391
392 case NID_id_qt_unotice:
393 BIO_printf(out, "%*sUser Notice:\n", indent, "");
394 print_notice(out, qualinfo->d.usernotice, indent + 2);
395 break;
396
397 default:
398 BIO_printf(out, "%*sUnknown Qualifier: ",
399 indent + 2, "");
400
401 i2a_ASN1_OBJECT(out, qualinfo->pqualid);
402 BIO_puts(out, "\n");
403 break;
404 }
405 }
406 }
407
print_notice(BIO * out,USERNOTICE * notice,int indent)408 static void print_notice(BIO *out, USERNOTICE *notice, int indent)
409 {
410 int i;
411 if(notice->noticeref) {
412 NOTICEREF *ref;
413 ref = notice->noticeref;
414 BIO_printf(out, "%*sOrganization: %s\n", indent, "",
415 ref->organization->data);
416 BIO_printf(out, "%*sNumber%s: ", indent, "",
417 sk_ASN1_INTEGER_num(ref->noticenos) > 1 ? "s" : "");
418 for(i = 0; i < sk_ASN1_INTEGER_num(ref->noticenos); i++) {
419 ASN1_INTEGER *num;
420 char *tmp;
421 num = sk_ASN1_INTEGER_value(ref->noticenos, i);
422 if(i) BIO_puts(out, ", ");
423 tmp = i2s_ASN1_INTEGER(NULL, num);
424 BIO_puts(out, tmp);
425 OPENSSL_free(tmp);
426 }
427 BIO_puts(out, "\n");
428 }
429 if(notice->exptext)
430 BIO_printf(out, "%*sExplicit Text: %s\n", indent, "",
431 notice->exptext->data);
432 }
433
X509_POLICY_NODE_print(BIO * out,X509_POLICY_NODE * node,int indent)434 void X509_POLICY_NODE_print(BIO *out, X509_POLICY_NODE *node, int indent)
435 {
436 const X509_POLICY_DATA *dat = node->data;
437
438 BIO_printf(out, "%*sPolicy: ", indent, "");
439
440 i2a_ASN1_OBJECT(out, dat->valid_policy);
441 BIO_puts(out, "\n");
442 BIO_printf(out, "%*s%s\n", indent + 2, "",
443 node_data_critical(dat) ? "Critical" : "Non Critical");
444 if (dat->qualifier_set)
445 print_qualifiers(out, dat->qualifier_set, indent + 2);
446 else
447 BIO_printf(out, "%*sNo Qualifiers\n", indent + 2, "");
448 }
449
450