1/* $OpenBSD: x509_cpols.c,v 1.11 2023/04/26 20:54:21 tb Exp $ */
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 <string.h>
61
62#include <openssl/asn1.h>
63#include <openssl/asn1t.h>
64#include <openssl/conf.h>
65#include <openssl/err.h>
66#include <openssl/x509v3.h>
67
68#include "x509_local.h"
69
70/* Certificate policies extension support: this one is a bit complex... */
71
72static int i2r_certpol(X509V3_EXT_METHOD *method, STACK_OF(POLICYINFO) *pol,
73    BIO *out, int indent);
74static STACK_OF(POLICYINFO) *r2i_certpol(X509V3_EXT_METHOD *method,
75    X509V3_CTX *ctx, char *value);
76static void print_qualifiers(BIO *out, STACK_OF(POLICYQUALINFO) *quals,
77    int indent);
78static void print_notice(BIO *out, USERNOTICE *notice, int indent);
79static POLICYINFO *policy_section(X509V3_CTX *ctx,
80    STACK_OF(CONF_VALUE) *polstrs, int ia5org);
81static POLICYQUALINFO *notice_section(X509V3_CTX *ctx,
82    STACK_OF(CONF_VALUE) *unot, int ia5org);
83static int nref_nos(STACK_OF(ASN1_INTEGER) *nnums, STACK_OF(CONF_VALUE) *nos);
84
85const X509V3_EXT_METHOD v3_cpols = {
86	.ext_nid = NID_certificate_policies,
87	.ext_flags = 0,
88	.it = &CERTIFICATEPOLICIES_it,
89	.ext_new = NULL,
90	.ext_free = NULL,
91	.d2i = NULL,
92	.i2d = NULL,
93	.i2s = NULL,
94	.s2i = NULL,
95	.i2v = NULL,
96	.v2i = NULL,
97	.i2r = (X509V3_EXT_I2R)i2r_certpol,
98	.r2i = (X509V3_EXT_R2I)r2i_certpol,
99	.usr_data = NULL,
100};
101
102static const ASN1_TEMPLATE CERTIFICATEPOLICIES_item_tt = {
103	.flags = ASN1_TFLG_SEQUENCE_OF,
104	.tag = 0,
105	.offset = 0,
106	.field_name = "CERTIFICATEPOLICIES",
107	.item = &POLICYINFO_it,
108};
109
110const ASN1_ITEM CERTIFICATEPOLICIES_it = {
111	.itype = ASN1_ITYPE_PRIMITIVE,
112	.utype = -1,
113	.templates = &CERTIFICATEPOLICIES_item_tt,
114	.tcount = 0,
115	.funcs = NULL,
116	.size = 0,
117	.sname = "CERTIFICATEPOLICIES",
118};
119
120
121CERTIFICATEPOLICIES *
122d2i_CERTIFICATEPOLICIES(CERTIFICATEPOLICIES **a, const unsigned char **in, long len)
123{
124	return (CERTIFICATEPOLICIES *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
125	    &CERTIFICATEPOLICIES_it);
126}
127LCRYPTO_ALIAS(d2i_CERTIFICATEPOLICIES);
128
129int
130i2d_CERTIFICATEPOLICIES(CERTIFICATEPOLICIES *a, unsigned char **out)
131{
132	return ASN1_item_i2d((ASN1_VALUE *)a, out, &CERTIFICATEPOLICIES_it);
133}
134LCRYPTO_ALIAS(i2d_CERTIFICATEPOLICIES);
135
136CERTIFICATEPOLICIES *
137CERTIFICATEPOLICIES_new(void)
138{
139	return (CERTIFICATEPOLICIES *)ASN1_item_new(&CERTIFICATEPOLICIES_it);
140}
141LCRYPTO_ALIAS(CERTIFICATEPOLICIES_new);
142
143void
144CERTIFICATEPOLICIES_free(CERTIFICATEPOLICIES *a)
145{
146	ASN1_item_free((ASN1_VALUE *)a, &CERTIFICATEPOLICIES_it);
147}
148LCRYPTO_ALIAS(CERTIFICATEPOLICIES_free);
149
150static const ASN1_TEMPLATE POLICYINFO_seq_tt[] = {
151	{
152		.flags = 0,
153		.tag = 0,
154		.offset = offsetof(POLICYINFO, policyid),
155		.field_name = "policyid",
156		.item = &ASN1_OBJECT_it,
157	},
158	{
159		.flags = ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_OPTIONAL,
160		.tag = 0,
161		.offset = offsetof(POLICYINFO, qualifiers),
162		.field_name = "qualifiers",
163		.item = &POLICYQUALINFO_it,
164	},
165};
166
167const ASN1_ITEM POLICYINFO_it = {
168	.itype = ASN1_ITYPE_SEQUENCE,
169	.utype = V_ASN1_SEQUENCE,
170	.templates = POLICYINFO_seq_tt,
171	.tcount = sizeof(POLICYINFO_seq_tt) / sizeof(ASN1_TEMPLATE),
172	.funcs = NULL,
173	.size = sizeof(POLICYINFO),
174	.sname = "POLICYINFO",
175};
176
177
178POLICYINFO *
179d2i_POLICYINFO(POLICYINFO **a, const unsigned char **in, long len)
180{
181	return (POLICYINFO *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
182	    &POLICYINFO_it);
183}
184LCRYPTO_ALIAS(d2i_POLICYINFO);
185
186int
187i2d_POLICYINFO(POLICYINFO *a, unsigned char **out)
188{
189	return ASN1_item_i2d((ASN1_VALUE *)a, out, &POLICYINFO_it);
190}
191LCRYPTO_ALIAS(i2d_POLICYINFO);
192
193POLICYINFO *
194POLICYINFO_new(void)
195{
196	return (POLICYINFO *)ASN1_item_new(&POLICYINFO_it);
197}
198LCRYPTO_ALIAS(POLICYINFO_new);
199
200void
201POLICYINFO_free(POLICYINFO *a)
202{
203	ASN1_item_free((ASN1_VALUE *)a, &POLICYINFO_it);
204}
205LCRYPTO_ALIAS(POLICYINFO_free);
206
207static const ASN1_TEMPLATE policydefault_tt = {
208	.flags = 0,
209	.tag = 0,
210	.offset = offsetof(POLICYQUALINFO, d.other),
211	.field_name = "d.other",
212	.item = &ASN1_ANY_it,
213};
214
215static const ASN1_ADB_TABLE POLICYQUALINFO_adbtbl[] = {
216	{
217		.value = NID_id_qt_cps,
218		.tt = {
219			.flags = 0,
220			.tag = 0,
221			.offset = offsetof(POLICYQUALINFO, d.cpsuri),
222			.field_name = "d.cpsuri",
223			.item = &ASN1_IA5STRING_it,
224		},
225	},
226	{
227		.value = NID_id_qt_unotice,
228		.tt = {
229			.flags = 0,
230			.tag = 0,
231			.offset = offsetof(POLICYQUALINFO, d.usernotice),
232			.field_name = "d.usernotice",
233			.item = &USERNOTICE_it,
234		},
235	},
236};
237
238static const ASN1_ADB POLICYQUALINFO_adb = {
239	.flags = 0,
240	.offset = offsetof(POLICYQUALINFO, pqualid),
241	.tbl = POLICYQUALINFO_adbtbl,
242	.tblcount = sizeof(POLICYQUALINFO_adbtbl) / sizeof(ASN1_ADB_TABLE),
243	.default_tt = &policydefault_tt,
244	.null_tt = NULL,
245};
246
247static const ASN1_TEMPLATE POLICYQUALINFO_seq_tt[] = {
248	{
249		.flags = 0,
250		.tag = 0,
251		.offset = offsetof(POLICYQUALINFO, pqualid),
252		.field_name = "pqualid",
253		.item = &ASN1_OBJECT_it,
254	},
255	{
256		.flags = ASN1_TFLG_ADB_OID,
257		.tag = -1,
258		.offset = 0,
259		.field_name = "POLICYQUALINFO",
260		.item = (const ASN1_ITEM *)&POLICYQUALINFO_adb,
261	},
262};
263
264const ASN1_ITEM POLICYQUALINFO_it = {
265	.itype = ASN1_ITYPE_SEQUENCE,
266	.utype = V_ASN1_SEQUENCE,
267	.templates = POLICYQUALINFO_seq_tt,
268	.tcount = sizeof(POLICYQUALINFO_seq_tt) / sizeof(ASN1_TEMPLATE),
269	.funcs = NULL,
270	.size = sizeof(POLICYQUALINFO),
271	.sname = "POLICYQUALINFO",
272};
273
274
275POLICYQUALINFO *
276d2i_POLICYQUALINFO(POLICYQUALINFO **a, const unsigned char **in, long len)
277{
278	return (POLICYQUALINFO *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
279	    &POLICYQUALINFO_it);
280}
281LCRYPTO_ALIAS(d2i_POLICYQUALINFO);
282
283int
284i2d_POLICYQUALINFO(POLICYQUALINFO *a, unsigned char **out)
285{
286	return ASN1_item_i2d((ASN1_VALUE *)a, out, &POLICYQUALINFO_it);
287}
288LCRYPTO_ALIAS(i2d_POLICYQUALINFO);
289
290POLICYQUALINFO *
291POLICYQUALINFO_new(void)
292{
293	return (POLICYQUALINFO *)ASN1_item_new(&POLICYQUALINFO_it);
294}
295LCRYPTO_ALIAS(POLICYQUALINFO_new);
296
297void
298POLICYQUALINFO_free(POLICYQUALINFO *a)
299{
300	ASN1_item_free((ASN1_VALUE *)a, &POLICYQUALINFO_it);
301}
302LCRYPTO_ALIAS(POLICYQUALINFO_free);
303
304static const ASN1_TEMPLATE USERNOTICE_seq_tt[] = {
305	{
306		.flags = ASN1_TFLG_OPTIONAL,
307		.tag = 0,
308		.offset = offsetof(USERNOTICE, noticeref),
309		.field_name = "noticeref",
310		.item = &NOTICEREF_it,
311	},
312	{
313		.flags = ASN1_TFLG_OPTIONAL,
314		.tag = 0,
315		.offset = offsetof(USERNOTICE, exptext),
316		.field_name = "exptext",
317		.item = &DISPLAYTEXT_it,
318	},
319};
320
321const ASN1_ITEM USERNOTICE_it = {
322	.itype = ASN1_ITYPE_SEQUENCE,
323	.utype = V_ASN1_SEQUENCE,
324	.templates = USERNOTICE_seq_tt,
325	.tcount = sizeof(USERNOTICE_seq_tt) / sizeof(ASN1_TEMPLATE),
326	.funcs = NULL,
327	.size = sizeof(USERNOTICE),
328	.sname = "USERNOTICE",
329};
330
331
332USERNOTICE *
333d2i_USERNOTICE(USERNOTICE **a, const unsigned char **in, long len)
334{
335	return (USERNOTICE *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
336	    &USERNOTICE_it);
337}
338LCRYPTO_ALIAS(d2i_USERNOTICE);
339
340int
341i2d_USERNOTICE(USERNOTICE *a, unsigned char **out)
342{
343	return ASN1_item_i2d((ASN1_VALUE *)a, out, &USERNOTICE_it);
344}
345LCRYPTO_ALIAS(i2d_USERNOTICE);
346
347USERNOTICE *
348USERNOTICE_new(void)
349{
350	return (USERNOTICE *)ASN1_item_new(&USERNOTICE_it);
351}
352LCRYPTO_ALIAS(USERNOTICE_new);
353
354void
355USERNOTICE_free(USERNOTICE *a)
356{
357	ASN1_item_free((ASN1_VALUE *)a, &USERNOTICE_it);
358}
359LCRYPTO_ALIAS(USERNOTICE_free);
360
361static const ASN1_TEMPLATE NOTICEREF_seq_tt[] = {
362	{
363		.flags = 0,
364		.tag = 0,
365		.offset = offsetof(NOTICEREF, organization),
366		.field_name = "organization",
367		.item = &DISPLAYTEXT_it,
368	},
369	{
370		.flags = ASN1_TFLG_SEQUENCE_OF,
371		.tag = 0,
372		.offset = offsetof(NOTICEREF, noticenos),
373		.field_name = "noticenos",
374		.item = &ASN1_INTEGER_it,
375	},
376};
377
378const ASN1_ITEM NOTICEREF_it = {
379	.itype = ASN1_ITYPE_SEQUENCE,
380	.utype = V_ASN1_SEQUENCE,
381	.templates = NOTICEREF_seq_tt,
382	.tcount = sizeof(NOTICEREF_seq_tt) / sizeof(ASN1_TEMPLATE),
383	.funcs = NULL,
384	.size = sizeof(NOTICEREF),
385	.sname = "NOTICEREF",
386};
387
388
389NOTICEREF *
390d2i_NOTICEREF(NOTICEREF **a, const unsigned char **in, long len)
391{
392	return (NOTICEREF *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
393	    &NOTICEREF_it);
394}
395LCRYPTO_ALIAS(d2i_NOTICEREF);
396
397int
398i2d_NOTICEREF(NOTICEREF *a, unsigned char **out)
399{
400	return ASN1_item_i2d((ASN1_VALUE *)a, out, &NOTICEREF_it);
401}
402LCRYPTO_ALIAS(i2d_NOTICEREF);
403
404NOTICEREF *
405NOTICEREF_new(void)
406{
407	return (NOTICEREF *)ASN1_item_new(&NOTICEREF_it);
408}
409LCRYPTO_ALIAS(NOTICEREF_new);
410
411void
412NOTICEREF_free(NOTICEREF *a)
413{
414	ASN1_item_free((ASN1_VALUE *)a, &NOTICEREF_it);
415}
416LCRYPTO_ALIAS(NOTICEREF_free);
417
418static STACK_OF(POLICYINFO) *
419r2i_certpol(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, char *value)
420{
421	STACK_OF(POLICYINFO) *pols = NULL;
422	char *pstr;
423	POLICYINFO *pol;
424	ASN1_OBJECT *pobj;
425	STACK_OF(CONF_VALUE) *vals;
426	CONF_VALUE *cnf;
427	int i, ia5org;
428
429	pols = sk_POLICYINFO_new_null();
430	if (pols == NULL) {
431		X509V3error(ERR_R_MALLOC_FAILURE);
432		return NULL;
433	}
434	vals = X509V3_parse_list(value);
435	if (vals == NULL) {
436		X509V3error(ERR_R_X509V3_LIB);
437		goto err;
438	}
439	ia5org = 0;
440	for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
441		cnf = sk_CONF_VALUE_value(vals, i);
442		if (cnf->value || !cnf->name) {
443			X509V3error(X509V3_R_INVALID_POLICY_IDENTIFIER);
444			X509V3_conf_err(cnf);
445			goto err;
446		}
447		pstr = cnf->name;
448		if (!strcmp(pstr, "ia5org")) {
449			ia5org = 1;
450			continue;
451		} else if (*pstr == '@') {
452			STACK_OF(CONF_VALUE) *polsect;
453			polsect = X509V3_get_section(ctx, pstr + 1);
454			if (!polsect) {
455				X509V3error(X509V3_R_INVALID_SECTION);
456				X509V3_conf_err(cnf);
457				goto err;
458			}
459			pol = policy_section(ctx, polsect, ia5org);
460			X509V3_section_free(ctx, polsect);
461			if (!pol)
462				goto err;
463		} else {
464			if (!(pobj = OBJ_txt2obj(cnf->name, 0))) {
465				X509V3error(X509V3_R_INVALID_OBJECT_IDENTIFIER);
466				X509V3_conf_err(cnf);
467				goto err;
468			}
469			pol = POLICYINFO_new();
470			pol->policyid = pobj;
471		}
472		if (!sk_POLICYINFO_push(pols, pol)){
473			POLICYINFO_free(pol);
474			X509V3error(ERR_R_MALLOC_FAILURE);
475			goto err;
476		}
477	}
478	sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
479	return pols;
480
481err:
482	sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
483	sk_POLICYINFO_pop_free(pols, POLICYINFO_free);
484	return NULL;
485}
486
487static POLICYINFO *
488policy_section(X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *polstrs, int ia5org)
489{
490	int i;
491	CONF_VALUE *cnf;
492	POLICYINFO *pol;
493	POLICYQUALINFO *nqual = NULL;
494
495	if ((pol = POLICYINFO_new()) == NULL)
496		goto merr;
497	for (i = 0; i < sk_CONF_VALUE_num(polstrs); i++) {
498		cnf = sk_CONF_VALUE_value(polstrs, i);
499		if (strcmp(cnf->name, "policyIdentifier") == 0) {
500			ASN1_OBJECT *pobj;
501
502			if ((pobj = OBJ_txt2obj(cnf->value, 0)) == NULL) {
503				X509V3error(X509V3_R_INVALID_OBJECT_IDENTIFIER);
504				X509V3_conf_err(cnf);
505				goto err;
506			}
507			pol->policyid = pobj;
508		} else if (name_cmp(cnf->name, "CPS") == 0) {
509			if ((nqual = POLICYQUALINFO_new()) == NULL)
510				goto merr;
511			nqual->pqualid = OBJ_nid2obj(NID_id_qt_cps);
512			nqual->d.cpsuri = ASN1_IA5STRING_new();
513			if (nqual->d.cpsuri == NULL)
514				goto merr;
515			if (ASN1_STRING_set(nqual->d.cpsuri, cnf->value,
516			    strlen(cnf->value)) == 0)
517				goto merr;
518
519			if (pol->qualifiers == NULL) {
520				pol->qualifiers = sk_POLICYQUALINFO_new_null();
521				if (pol->qualifiers == NULL)
522					goto merr;
523			}
524			if (sk_POLICYQUALINFO_push(pol->qualifiers, nqual) == 0)
525				goto merr;
526			nqual = NULL;
527		} else if (name_cmp(cnf->name, "userNotice") == 0) {
528			STACK_OF(CONF_VALUE) *unot;
529			POLICYQUALINFO *qual;
530
531			if (*cnf->value != '@') {
532				X509V3error(X509V3_R_EXPECTED_A_SECTION_NAME);
533				X509V3_conf_err(cnf);
534				goto err;
535			}
536			unot = X509V3_get_section(ctx, cnf->value + 1);
537			if (unot == NULL) {
538				X509V3error(X509V3_R_INVALID_SECTION);
539				X509V3_conf_err(cnf);
540				goto err;
541			}
542			qual = notice_section(ctx, unot, ia5org);
543			X509V3_section_free(ctx, unot);
544			if (qual == NULL)
545				goto err;
546
547			if (pol->qualifiers == NULL) {
548				pol->qualifiers = sk_POLICYQUALINFO_new_null();
549				if (pol->qualifiers == NULL)
550					goto merr;
551			}
552			if (sk_POLICYQUALINFO_push(pol->qualifiers, qual) == 0)
553				goto merr;
554		} else {
555			X509V3error(X509V3_R_INVALID_OPTION);
556			X509V3_conf_err(cnf);
557			goto err;
558		}
559	}
560	if (pol->policyid == NULL) {
561		X509V3error(X509V3_R_NO_POLICY_IDENTIFIER);
562		goto err;
563	}
564
565	return pol;
566
567merr:
568	X509V3error(ERR_R_MALLOC_FAILURE);
569
570err:
571	POLICYQUALINFO_free(nqual);
572	POLICYINFO_free(pol);
573	return NULL;
574}
575
576static POLICYQUALINFO *
577notice_section(X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *unot, int ia5org)
578{
579	int i, ret;
580	CONF_VALUE *cnf;
581	USERNOTICE *not;
582	POLICYQUALINFO *qual;
583
584	if (!(qual = POLICYQUALINFO_new()))
585		goto merr;
586	qual->pqualid = OBJ_nid2obj(NID_id_qt_unotice);
587	if (!(not = USERNOTICE_new()))
588		goto merr;
589	qual->d.usernotice = not;
590	for (i = 0; i < sk_CONF_VALUE_num(unot); i++) {
591		cnf = sk_CONF_VALUE_value(unot, i);
592		if (!strcmp(cnf->name, "explicitText")) {
593			if (not->exptext == NULL) {
594				not->exptext = ASN1_UTF8STRING_new();
595				if (not->exptext == NULL)
596					goto merr;
597			}
598			if (!ASN1_STRING_set(not->exptext, cnf->value,
599			    strlen(cnf->value)))
600				goto merr;
601		} else if (!strcmp(cnf->name, "organization")) {
602			NOTICEREF *nref;
603			if (!not->noticeref) {
604				if (!(nref = NOTICEREF_new()))
605					goto merr;
606				not->noticeref = nref;
607			} else
608				nref = not->noticeref;
609			if (ia5org)
610				nref->organization->type = V_ASN1_IA5STRING;
611			else
612				nref->organization->type = V_ASN1_VISIBLESTRING;
613			if (!ASN1_STRING_set(nref->organization, cnf->value,
614			    strlen(cnf->value)))
615				goto merr;
616		} else if (!strcmp(cnf->name, "noticeNumbers")) {
617			NOTICEREF *nref;
618			STACK_OF(CONF_VALUE) *nos;
619			if (!not->noticeref) {
620				if (!(nref = NOTICEREF_new()))
621					goto merr;
622				not->noticeref = nref;
623			} else
624				nref = not->noticeref;
625			nos = X509V3_parse_list(cnf->value);
626			if (!nos || !sk_CONF_VALUE_num(nos)) {
627				X509V3error(X509V3_R_INVALID_NUMBERS);
628				X509V3_conf_err(cnf);
629				if (nos != NULL)
630					sk_CONF_VALUE_pop_free(nos,
631					    X509V3_conf_free);
632				goto err;
633			}
634			ret = nref_nos(nref->noticenos, nos);
635			sk_CONF_VALUE_pop_free(nos, X509V3_conf_free);
636			if (!ret)
637				goto err;
638		} else {
639			X509V3error(X509V3_R_INVALID_OPTION);
640			X509V3_conf_err(cnf);
641			goto err;
642		}
643	}
644
645	if (not->noticeref &&
646	    (!not->noticeref->noticenos || !not->noticeref->organization)) {
647		X509V3error(X509V3_R_NEED_ORGANIZATION_AND_NUMBERS);
648		goto err;
649	}
650
651	return qual;
652
653merr:
654	X509V3error(ERR_R_MALLOC_FAILURE);
655
656err:
657	POLICYQUALINFO_free(qual);
658	return NULL;
659}
660
661static int
662nref_nos(STACK_OF(ASN1_INTEGER) *nnums, STACK_OF(CONF_VALUE) *nos)
663{
664	CONF_VALUE *cnf;
665	ASN1_INTEGER *aint;
666	int i;
667
668	for (i = 0; i < sk_CONF_VALUE_num(nos); i++) {
669		cnf = sk_CONF_VALUE_value(nos, i);
670		if (!(aint = s2i_ASN1_INTEGER(NULL, cnf->name))) {
671			X509V3error(X509V3_R_INVALID_NUMBER);
672			goto err;
673		}
674		if (!sk_ASN1_INTEGER_push(nnums, aint))
675			goto merr;
676	}
677	return 1;
678
679merr:
680	X509V3error(ERR_R_MALLOC_FAILURE);
681
682err:
683	sk_ASN1_INTEGER_pop_free(nnums, ASN1_STRING_free);
684	return 0;
685}
686
687static int
688i2r_certpol(X509V3_EXT_METHOD *method, STACK_OF(POLICYINFO) *pol, BIO *out,
689    int indent)
690{
691	int i;
692	POLICYINFO *pinfo;
693
694	/* First print out the policy OIDs */
695	for (i = 0; i < sk_POLICYINFO_num(pol); i++) {
696		pinfo = sk_POLICYINFO_value(pol, i);
697		BIO_printf(out, "%*sPolicy: ", indent, "");
698		i2a_ASN1_OBJECT(out, pinfo->policyid);
699		BIO_puts(out, "\n");
700		if (pinfo->qualifiers)
701			print_qualifiers(out, pinfo->qualifiers, indent + 2);
702	}
703	return 1;
704}
705
706static void
707print_qualifiers(BIO *out, STACK_OF(POLICYQUALINFO) *quals, int indent)
708{
709	POLICYQUALINFO *qualinfo;
710	int i;
711
712	for (i = 0; i < sk_POLICYQUALINFO_num(quals); i++) {
713		qualinfo = sk_POLICYQUALINFO_value(quals, i);
714		switch (OBJ_obj2nid(qualinfo->pqualid)) {
715		case NID_id_qt_cps:
716			BIO_printf(out, "%*sCPS: %.*s\n", indent, "",
717			    qualinfo->d.cpsuri->length,
718			    qualinfo->d.cpsuri->data);
719			break;
720
721		case NID_id_qt_unotice:
722			BIO_printf(out, "%*sUser Notice:\n", indent, "");
723			print_notice(out, qualinfo->d.usernotice, indent + 2);
724			break;
725
726		default:
727			BIO_printf(out, "%*sUnknown Qualifier: ",
728			    indent + 2, "");
729
730			i2a_ASN1_OBJECT(out, qualinfo->pqualid);
731			BIO_puts(out, "\n");
732			break;
733		}
734	}
735}
736
737static void
738print_notice(BIO *out, USERNOTICE *notice, int indent)
739{
740	int i;
741
742	if (notice->noticeref) {
743		NOTICEREF *ref;
744		ref = notice->noticeref;
745		BIO_printf(out, "%*sOrganization: %.*s\n", indent, "",
746		    ref->organization->length, ref->organization->data);
747		BIO_printf(out, "%*sNumber%s: ", indent, "",
748		    sk_ASN1_INTEGER_num(ref->noticenos) > 1 ? "s" : "");
749		for (i = 0; i < sk_ASN1_INTEGER_num(ref->noticenos); i++) {
750			ASN1_INTEGER *num;
751			char *tmp;
752			num = sk_ASN1_INTEGER_value(ref->noticenos, i);
753			if (i)
754				BIO_puts(out, ", ");
755			tmp = i2s_ASN1_INTEGER(NULL, num);
756			BIO_puts(out, tmp);
757			free(tmp);
758		}
759		BIO_puts(out, "\n");
760	}
761	if (notice->exptext)
762		BIO_printf(out, "%*sExplicit Text: %.*s\n", indent, "",
763		    notice->exptext->length, notice->exptext->data);
764}
765