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source: vbox/trunk/src/libs/openssl-3.1.4/crypto/x509/v3_cpols.c@ 102863

Last change on this file since 102863 was 102863, checked in by vboxsync, 13 months ago

openssl-3.1.4: Applied and adjusted our OpenSSL changes to 3.1.3. bugref:10577
File size: 16.2 KB
Line 
1/*
2 * Copyright 1999-2021 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#include <stdio.h>
11#include "internal/cryptlib.h"
12#include <openssl/conf.h>
13#include <openssl/asn1.h>
14#include <openssl/asn1t.h>
15#include <openssl/x509v3.h>
16
17#include "x509_local.h"
18#include "pcy_local.h"
19#include "ext_dat.h"
20
21/* Certificate policies extension support: this one is a bit complex... */
22
23static int i2r_certpol(X509V3_EXT_METHOD *method, STACK_OF(POLICYINFO) *pol,
24 BIO *out, int indent);
25static STACK_OF(POLICYINFO) *r2i_certpol(X509V3_EXT_METHOD *method,
26 X509V3_CTX *ctx, const char *value);
27static void print_qualifiers(BIO *out, STACK_OF(POLICYQUALINFO) *quals,
28 int indent);
29static void print_notice(BIO *out, USERNOTICE *notice, int indent);
30static POLICYINFO *policy_section(X509V3_CTX *ctx,
31 STACK_OF(CONF_VALUE) *polstrs, int ia5org);
32static POLICYQUALINFO *notice_section(X509V3_CTX *ctx,
33 STACK_OF(CONF_VALUE) *unot, int ia5org);
34static int nref_nos(STACK_OF(ASN1_INTEGER) *nnums, STACK_OF(CONF_VALUE) *nos);
35static int displaytext_str2tag(const char *tagstr, unsigned int *tag_len);
36static int displaytext_get_tag_len(const char *tagstr);
37
38const X509V3_EXT_METHOD ossl_v3_cpols = {
39 NID_certificate_policies, 0, ASN1_ITEM_ref(CERTIFICATEPOLICIES),
40 0, 0, 0, 0,
41 0, 0,
42 0, 0,
43 (X509V3_EXT_I2R)i2r_certpol,
44 (X509V3_EXT_R2I)r2i_certpol,
45 NULL
46};
47
48ASN1_ITEM_TEMPLATE(CERTIFICATEPOLICIES) =
49 ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, CERTIFICATEPOLICIES, POLICYINFO)
50ASN1_ITEM_TEMPLATE_END(CERTIFICATEPOLICIES)
51
52IMPLEMENT_ASN1_FUNCTIONS(CERTIFICATEPOLICIES)
53
54ASN1_SEQUENCE(POLICYINFO) = {
55 ASN1_SIMPLE(POLICYINFO, policyid, ASN1_OBJECT),
56 ASN1_SEQUENCE_OF_OPT(POLICYINFO, qualifiers, POLICYQUALINFO)
57} ASN1_SEQUENCE_END(POLICYINFO)
58
59IMPLEMENT_ASN1_FUNCTIONS(POLICYINFO)
60
61ASN1_ADB_TEMPLATE(policydefault) = ASN1_SIMPLE(POLICYQUALINFO, d.other, ASN1_ANY);
62
63ASN1_ADB(POLICYQUALINFO) = {
64 ADB_ENTRY(NID_id_qt_cps, ASN1_SIMPLE(POLICYQUALINFO, d.cpsuri, ASN1_IA5STRING)),
65 ADB_ENTRY(NID_id_qt_unotice, ASN1_SIMPLE(POLICYQUALINFO, d.usernotice, USERNOTICE))
66} ASN1_ADB_END(POLICYQUALINFO, 0, pqualid, 0, &policydefault_tt, NULL);
67
68ASN1_SEQUENCE(POLICYQUALINFO) = {
69 ASN1_SIMPLE(POLICYQUALINFO, pqualid, ASN1_OBJECT),
70 ASN1_ADB_OBJECT(POLICYQUALINFO)
71} ASN1_SEQUENCE_END(POLICYQUALINFO)
72
73IMPLEMENT_ASN1_FUNCTIONS(POLICYQUALINFO)
74
75ASN1_SEQUENCE(USERNOTICE) = {
76 ASN1_OPT(USERNOTICE, noticeref, NOTICEREF),
77 ASN1_OPT(USERNOTICE, exptext, DISPLAYTEXT)
78} ASN1_SEQUENCE_END(USERNOTICE)
79
80IMPLEMENT_ASN1_FUNCTIONS(USERNOTICE)
81
82ASN1_SEQUENCE(NOTICEREF) = {
83 ASN1_SIMPLE(NOTICEREF, organization, DISPLAYTEXT),
84 ASN1_SEQUENCE_OF(NOTICEREF, noticenos, ASN1_INTEGER)
85} ASN1_SEQUENCE_END(NOTICEREF)
86
87IMPLEMENT_ASN1_FUNCTIONS(NOTICEREF)
88
89static STACK_OF(POLICYINFO) *r2i_certpol(X509V3_EXT_METHOD *method,
90 X509V3_CTX *ctx, const char *value)
91{
92 STACK_OF(POLICYINFO) *pols;
93 char *pstr;
94 POLICYINFO *pol;
95 ASN1_OBJECT *pobj;
96 STACK_OF(CONF_VALUE) *vals = X509V3_parse_list(value);
97 CONF_VALUE *cnf;
98 const int num = sk_CONF_VALUE_num(vals);
99 int i, ia5org;
100
101 if (vals == NULL) {
102 ERR_raise(ERR_LIB_X509V3, ERR_R_X509V3_LIB);
103 return NULL;
104 }
105
106 pols = sk_POLICYINFO_new_reserve(NULL, num);
107 if (pols == NULL) {
108 ERR_raise(ERR_LIB_X509V3, ERR_R_MALLOC_FAILURE);
109 goto err;
110 }
111
112 ia5org = 0;
113 for (i = 0; i < num; i++) {
114 cnf = sk_CONF_VALUE_value(vals, i);
115 if (cnf->value != NULL || cnf->name == NULL) {
116 ERR_raise(ERR_LIB_X509V3, X509V3_R_INVALID_POLICY_IDENTIFIER);
117 X509V3_conf_add_error_name_value(cnf);
118 goto err;
119 }
120 pstr = cnf->name;
121 if (strcmp(pstr, "ia5org") == 0) {
122 ia5org = 1;
123 continue;
124 } else if (*pstr == '@') {
125 STACK_OF(CONF_VALUE) *polsect;
126
127 polsect = X509V3_get_section(ctx, pstr + 1);
128 if (polsect == NULL) {
129 ERR_raise_data(ERR_LIB_X509V3, X509V3_R_INVALID_SECTION,
130 "%s", cnf->name);
131 goto err;
132 }
133 pol = policy_section(ctx, polsect, ia5org);
134 X509V3_section_free(ctx, polsect);
135 if (pol == NULL)
136 goto err;
137 } else {
138 if ((pobj = OBJ_txt2obj(cnf->name, 0)) == NULL) {
139 ERR_raise_data(ERR_LIB_X509V3,
140 X509V3_R_INVALID_OBJECT_IDENTIFIER,
141 "%s", cnf->name);
142 goto err;
143 }
144 pol = POLICYINFO_new();
145 if (pol == NULL) {
146 ASN1_OBJECT_free(pobj);
147 ERR_raise(ERR_LIB_X509V3, ERR_R_MALLOC_FAILURE);
148 goto err;
149 }
150 pol->policyid = pobj;
151 }
152 if (!sk_POLICYINFO_push(pols, pol)) {
153 POLICYINFO_free(pol);
154 ERR_raise(ERR_LIB_X509V3, ERR_R_MALLOC_FAILURE);
155 goto err;
156 }
157 }
158 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
159 return pols;
160 err:
161 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
162 sk_POLICYINFO_pop_free(pols, POLICYINFO_free);
163 return NULL;
164}
165
166static POLICYINFO *policy_section(X509V3_CTX *ctx,
167 STACK_OF(CONF_VALUE) *polstrs, int ia5org)
168{
169 int i;
170 CONF_VALUE *cnf;
171 POLICYINFO *pol;
172 POLICYQUALINFO *qual;
173
174 if ((pol = POLICYINFO_new()) == NULL)
175 goto merr;
176 for (i = 0; i < sk_CONF_VALUE_num(polstrs); i++) {
177 cnf = sk_CONF_VALUE_value(polstrs, i);
178 if (strcmp(cnf->name, "policyIdentifier") == 0) {
179 ASN1_OBJECT *pobj;
180
181 if ((pobj = OBJ_txt2obj(cnf->value, 0)) == NULL) {
182 ERR_raise(ERR_LIB_X509V3, X509V3_R_INVALID_OBJECT_IDENTIFIER);
183 X509V3_conf_err(cnf);
184 goto err;
185 }
186 pol->policyid = pobj;
187
188 } else if (!ossl_v3_name_cmp(cnf->name, "CPS")) {
189 if (pol->qualifiers == NULL)
190 pol->qualifiers = sk_POLICYQUALINFO_new_null();
191 if ((qual = POLICYQUALINFO_new()) == NULL)
192 goto merr;
193 if (!sk_POLICYQUALINFO_push(pol->qualifiers, qual))
194 goto merr;
195 if ((qual->pqualid = OBJ_nid2obj(NID_id_qt_cps)) == NULL) {
196 ERR_raise(ERR_LIB_X509V3, ERR_R_INTERNAL_ERROR);
197 goto err;
198 }
199 if ((qual->d.cpsuri = ASN1_IA5STRING_new()) == NULL)
200 goto merr;
201 if (!ASN1_STRING_set(qual->d.cpsuri, cnf->value,
202 strlen(cnf->value)))
203 goto merr;
204 } else if (!ossl_v3_name_cmp(cnf->name, "userNotice")) {
205 STACK_OF(CONF_VALUE) *unot;
206 if (*cnf->value != '@') {
207 ERR_raise(ERR_LIB_X509V3, X509V3_R_EXPECTED_A_SECTION_NAME);
208 X509V3_conf_err(cnf);
209 goto err;
210 }
211 unot = X509V3_get_section(ctx, cnf->value + 1);
212 if (!unot) {
213 ERR_raise(ERR_LIB_X509V3, X509V3_R_INVALID_SECTION);
214
215 X509V3_conf_err(cnf);
216 goto err;
217 }
218 qual = notice_section(ctx, unot, ia5org);
219 X509V3_section_free(ctx, unot);
220 if (!qual)
221 goto err;
222 if (pol->qualifiers == NULL)
223 pol->qualifiers = sk_POLICYQUALINFO_new_null();
224 if (!sk_POLICYQUALINFO_push(pol->qualifiers, qual))
225 goto merr;
226 } else {
227 ERR_raise(ERR_LIB_X509V3, X509V3_R_INVALID_OPTION);
228 X509V3_conf_err(cnf);
229 goto err;
230 }
231 }
232 if (pol->policyid == NULL) {
233 ERR_raise(ERR_LIB_X509V3, X509V3_R_NO_POLICY_IDENTIFIER);
234 goto err;
235 }
236
237 return pol;
238
239 merr:
240 ERR_raise(ERR_LIB_X509V3, ERR_R_MALLOC_FAILURE);
241
242 err:
243 POLICYINFO_free(pol);
244 return NULL;
245}
246
247static int displaytext_get_tag_len(const char *tagstr)
248{
249 char *colon = strchr(tagstr, ':');
250
251 return (colon == NULL) ? -1 : colon - tagstr;
252}
253
254static int displaytext_str2tag(const char *tagstr, unsigned int *tag_len)
255{
256 int len;
257
258 *tag_len = 0;
259 len = displaytext_get_tag_len(tagstr);
260
261 if (len == -1)
262 return V_ASN1_VISIBLESTRING;
263 *tag_len = len;
264 if (len == sizeof("UTF8") - 1 && strncmp(tagstr, "UTF8", len) == 0)
265 return V_ASN1_UTF8STRING;
266 if (len == sizeof("UTF8String") - 1 && strncmp(tagstr, "UTF8String", len) == 0)
267 return V_ASN1_UTF8STRING;
268 if (len == sizeof("BMP") - 1 && strncmp(tagstr, "BMP", len) == 0)
269 return V_ASN1_BMPSTRING;
270 if (len == sizeof("BMPSTRING") - 1 && strncmp(tagstr, "BMPSTRING", len) == 0)
271 return V_ASN1_BMPSTRING;
272 if (len == sizeof("VISIBLE") - 1 && strncmp(tagstr, "VISIBLE", len) == 0)
273 return V_ASN1_VISIBLESTRING;
274 if (len == sizeof("VISIBLESTRING") - 1 && strncmp(tagstr, "VISIBLESTRING", len) == 0)
275 return V_ASN1_VISIBLESTRING;
276 *tag_len = 0;
277 return V_ASN1_VISIBLESTRING;
278}
279
280static POLICYQUALINFO *notice_section(X509V3_CTX *ctx,
281 STACK_OF(CONF_VALUE) *unot, int ia5org)
282{
283 int i, ret, len, tag;
284 unsigned int tag_len;
285 CONF_VALUE *cnf;
286 USERNOTICE *not;
287 POLICYQUALINFO *qual;
288 char *value = NULL;
289
290 if ((qual = POLICYQUALINFO_new()) == NULL)
291 goto merr;
292 if ((qual->pqualid = OBJ_nid2obj(NID_id_qt_unotice)) == NULL) {
293 ERR_raise(ERR_LIB_X509V3, ERR_R_INTERNAL_ERROR);
294 goto err;
295 }
296 if ((not = USERNOTICE_new()) == NULL)
297 goto merr;
298 qual->d.usernotice = not;
299 for (i = 0; i < sk_CONF_VALUE_num(unot); i++) {
300 cnf = sk_CONF_VALUE_value(unot, i);
301
302 value = cnf->value;
303 if (strcmp(cnf->name, "explicitText") == 0) {
304 tag = displaytext_str2tag(value, &tag_len);
305 if ((not->exptext = ASN1_STRING_type_new(tag)) == NULL)
306 goto merr;
307 if (tag_len != 0)
308 value += tag_len + 1;
309 len = strlen(value);
310 if (!ASN1_STRING_set(not->exptext, value, len))
311 goto merr;
312 } else if (strcmp(cnf->name, "organization") == 0) {
313 NOTICEREF *nref;
314
315 if (!not->noticeref) {
316 if ((nref = NOTICEREF_new()) == NULL)
317 goto merr;
318 not->noticeref = nref;
319 } else
320 nref = not->noticeref;
321 if (ia5org)
322 nref->organization->type = V_ASN1_IA5STRING;
323 else
324 nref->organization->type = V_ASN1_VISIBLESTRING;
325 if (!ASN1_STRING_set(nref->organization, cnf->value,
326 strlen(cnf->value)))
327 goto merr;
328 } else if (strcmp(cnf->name, "noticeNumbers") == 0) {
329 NOTICEREF *nref;
330
331 STACK_OF(CONF_VALUE) *nos;
332 if (!not->noticeref) {
333 if ((nref = NOTICEREF_new()) == NULL)
334 goto merr;
335 not->noticeref = nref;
336 } else
337 nref = not->noticeref;
338 nos = X509V3_parse_list(cnf->value);
339 if (!nos || !sk_CONF_VALUE_num(nos)) {
340 ERR_raise(ERR_LIB_X509V3, X509V3_R_INVALID_NUMBERS);
341 X509V3_conf_add_error_name_value(cnf);
342 sk_CONF_VALUE_pop_free(nos, X509V3_conf_free);
343 goto err;
344 }
345 ret = nref_nos(nref->noticenos, nos);
346 sk_CONF_VALUE_pop_free(nos, X509V3_conf_free);
347 if (!ret)
348 goto err;
349 } else {
350 ERR_raise(ERR_LIB_X509V3, X509V3_R_INVALID_OPTION);
351 X509V3_conf_add_error_name_value(cnf);
352 goto err;
353 }
354 }
355
356 if (not->noticeref &&
357 (!not->noticeref->noticenos || !not->noticeref->organization)) {
358 ERR_raise(ERR_LIB_X509V3, X509V3_R_NEED_ORGANIZATION_AND_NUMBERS);
359 goto err;
360 }
361
362 return qual;
363
364 merr:
365 ERR_raise(ERR_LIB_X509V3, ERR_R_MALLOC_FAILURE);
366
367 err:
368 POLICYQUALINFO_free(qual);
369 return NULL;
370}
371
372static int nref_nos(STACK_OF(ASN1_INTEGER) *nnums, STACK_OF(CONF_VALUE) *nos)
373{
374 CONF_VALUE *cnf;
375 ASN1_INTEGER *aint;
376
377 int i;
378
379 for (i = 0; i < sk_CONF_VALUE_num(nos); i++) {
380 cnf = sk_CONF_VALUE_value(nos, i);
381 if ((aint = s2i_ASN1_INTEGER(NULL, cnf->name)) == NULL) {
382 ERR_raise(ERR_LIB_X509V3, X509V3_R_INVALID_NUMBER);
383 goto err;
384 }
385 if (!sk_ASN1_INTEGER_push(nnums, aint))
386 goto merr;
387 }
388 return 1;
389
390 merr:
391 ASN1_INTEGER_free(aint);
392 ERR_raise(ERR_LIB_X509V3, ERR_R_MALLOC_FAILURE);
393
394 err:
395 return 0;
396}
397
398static int i2r_certpol(X509V3_EXT_METHOD *method, STACK_OF(POLICYINFO) *pol,
399 BIO *out, int indent)
400{
401 int i;
402 POLICYINFO *pinfo;
403 /* First print out the policy OIDs */
404 for (i = 0; i < sk_POLICYINFO_num(pol); i++) {
405 if (i > 0)
406 BIO_puts(out, "\n");
407 pinfo = sk_POLICYINFO_value(pol, i);
408 BIO_printf(out, "%*sPolicy: ", indent, "");
409 i2a_ASN1_OBJECT(out, pinfo->policyid);
410 if (pinfo->qualifiers) {
411 BIO_puts(out, "\n");
412 print_qualifiers(out, pinfo->qualifiers, indent + 2);
413 }
414 }
415 return 1;
416}
417
418static void print_qualifiers(BIO *out, STACK_OF(POLICYQUALINFO) *quals,
419 int indent)
420{
421 POLICYQUALINFO *qualinfo;
422 int i;
423 for (i = 0; i < sk_POLICYQUALINFO_num(quals); i++) {
424 if (i > 0)
425 BIO_puts(out, "\n");
426 qualinfo = sk_POLICYQUALINFO_value(quals, i);
427 switch (OBJ_obj2nid(qualinfo->pqualid)) {
428 case NID_id_qt_cps:
429 BIO_printf(out, "%*sCPS: %.*s", indent, "",
430 qualinfo->d.cpsuri->length,
431 qualinfo->d.cpsuri->data);
432 break;
433
434 case NID_id_qt_unotice:
435 BIO_printf(out, "%*sUser Notice:\n", indent, "");
436 print_notice(out, qualinfo->d.usernotice, indent + 2);
437 break;
438
439 default:
440 BIO_printf(out, "%*sUnknown Qualifier: ", indent + 2, "");
441
442 i2a_ASN1_OBJECT(out, qualinfo->pqualid);
443 break;
444 }
445 }
446}
447
448static void print_notice(BIO *out, USERNOTICE *notice, int indent)
449{
450 int i;
451 if (notice->noticeref) {
452 NOTICEREF *ref;
453 ref = notice->noticeref;
454 BIO_printf(out, "%*sOrganization: %.*s\n", indent, "",
455 ref->organization->length,
456 ref->organization->data);
457 BIO_printf(out, "%*sNumber%s: ", indent, "",
458 sk_ASN1_INTEGER_num(ref->noticenos) > 1 ? "s" : "");
459 for (i = 0; i < sk_ASN1_INTEGER_num(ref->noticenos); i++) {
460 ASN1_INTEGER *num;
461 char *tmp;
462 num = sk_ASN1_INTEGER_value(ref->noticenos, i);
463 if (i)
464 BIO_puts(out, ", ");
465 if (num == NULL)
466 BIO_puts(out, "(null)");
467 else {
468 tmp = i2s_ASN1_INTEGER(NULL, num);
469 if (tmp == NULL)
470 return;
471 BIO_puts(out, tmp);
472 OPENSSL_free(tmp);
473 }
474 }
475 if (notice->exptext)
476 BIO_puts(out, "\n");
477 }
478 if (notice->exptext)
479 BIO_printf(out, "%*sExplicit Text: %.*s", indent, "",
480 notice->exptext->length,
481 notice->exptext->data);
482}
483
484void X509_POLICY_NODE_print(BIO *out, X509_POLICY_NODE *node, int indent)
485{
486 const X509_POLICY_DATA *dat = node->data;
487
488 BIO_printf(out, "%*sPolicy: ", indent, "");
489
490 i2a_ASN1_OBJECT(out, dat->valid_policy);
491 BIO_puts(out, "\n");
492 BIO_printf(out, "%*s%s\n", indent + 2, "",
493 node_data_critical(dat) ? "Critical" : "Non Critical");
494 if (dat->qualifier_set) {
495 print_qualifiers(out, dat->qualifier_set, indent + 2);
496 BIO_puts(out, "\n");
497 }
498 else
499 BIO_printf(out, "%*sNo Qualifiers\n", indent + 2, "");
500}
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