3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
6 /* ====================================================================
7 * Copyright (c) 1999-2008 The OpenSSL Project. All rights reserved.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
21 * 3. All advertising materials mentioning features or use of this
22 * software must display the following acknowledgment:
23 * "This product includes software developed by the OpenSSL Project
24 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 * endorse or promote products derived from this software without
28 * prior written permission. For written permission, please contact
29 * licensing@OpenSSL.org.
31 * 5. Products derived from this software may not be called "OpenSSL"
32 * nor may "OpenSSL" appear in their names without prior written
33 * permission of the OpenSSL Project.
35 * 6. Redistributions of any form whatsoever must retain the following
37 * "This product includes software developed by the OpenSSL Project
38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com). This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com).
62 #include <openssl/conf.h>
63 #include <openssl/asn1.h>
64 #include <openssl/asn1t.h>
65 #include <openssl/x509v3.h>
67 #include "internal/x509_int.h"
69 static void *v2i_crld(const X509V3_EXT_METHOD *method,
70 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
71 static int i2r_crldp(const X509V3_EXT_METHOD *method, void *pcrldp, BIO *out,
74 const X509V3_EXT_METHOD v3_crld = {
75 NID_crl_distribution_points, 0, ASN1_ITEM_ref(CRL_DIST_POINTS),
84 const X509V3_EXT_METHOD v3_freshest_crl = {
85 NID_freshest_crl, 0, ASN1_ITEM_ref(CRL_DIST_POINTS),
94 static STACK_OF(GENERAL_NAME) *gnames_from_sectname(X509V3_CTX *ctx,
97 STACK_OF(CONF_VALUE) *gnsect;
98 STACK_OF(GENERAL_NAME) *gens;
100 gnsect = X509V3_get_section(ctx, sect + 1);
102 gnsect = X509V3_parse_list(sect);
104 X509V3err(X509V3_F_GNAMES_FROM_SECTNAME, X509V3_R_SECTION_NOT_FOUND);
107 gens = v2i_GENERAL_NAMES(NULL, ctx, gnsect);
109 X509V3_section_free(ctx, gnsect);
111 sk_CONF_VALUE_pop_free(gnsect, X509V3_conf_free);
115 static int set_dist_point_name(DIST_POINT_NAME **pdp, X509V3_CTX *ctx,
118 STACK_OF(GENERAL_NAME) *fnm = NULL;
119 STACK_OF(X509_NAME_ENTRY) *rnm = NULL;
120 if (!strncmp(cnf->name, "fullname", 9)) {
121 fnm = gnames_from_sectname(ctx, cnf->value);
124 } else if (!strcmp(cnf->name, "relativename")) {
126 STACK_OF(CONF_VALUE) *dnsect;
128 nm = X509_NAME_new();
131 dnsect = X509V3_get_section(ctx, cnf->value);
133 X509V3err(X509V3_F_SET_DIST_POINT_NAME,
134 X509V3_R_SECTION_NOT_FOUND);
137 ret = X509V3_NAME_from_section(nm, dnsect, MBSTRING_ASC);
138 X509V3_section_free(ctx, dnsect);
142 if (!ret || sk_X509_NAME_ENTRY_num(rnm) <= 0)
145 * Since its a name fragment can't have more than one RDNSequence
147 if (sk_X509_NAME_ENTRY_value(rnm,
148 sk_X509_NAME_ENTRY_num(rnm) - 1)->set) {
149 X509V3err(X509V3_F_SET_DIST_POINT_NAME,
150 X509V3_R_INVALID_MULTIPLE_RDNS);
157 X509V3err(X509V3_F_SET_DIST_POINT_NAME,
158 X509V3_R_DISTPOINT_ALREADY_SET);
162 *pdp = DIST_POINT_NAME_new();
167 (*pdp)->name.fullname = fnm;
170 (*pdp)->name.relativename = rnm;
176 sk_GENERAL_NAME_pop_free(fnm, GENERAL_NAME_free);
177 sk_X509_NAME_ENTRY_pop_free(rnm, X509_NAME_ENTRY_free);
181 static const BIT_STRING_BITNAME reason_flags[] = {
182 {0, "Unused", "unused"},
183 {1, "Key Compromise", "keyCompromise"},
184 {2, "CA Compromise", "CACompromise"},
185 {3, "Affiliation Changed", "affiliationChanged"},
186 {4, "Superseded", "superseded"},
187 {5, "Cessation Of Operation", "cessationOfOperation"},
188 {6, "Certificate Hold", "certificateHold"},
189 {7, "Privilege Withdrawn", "privilegeWithdrawn"},
190 {8, "AA Compromise", "AACompromise"},
194 static int set_reasons(ASN1_BIT_STRING **preas, char *value)
196 STACK_OF(CONF_VALUE) *rsk = NULL;
197 const BIT_STRING_BITNAME *pbn;
200 rsk = X509V3_parse_list(value);
205 for (i = 0; i < sk_CONF_VALUE_num(rsk); i++) {
206 bnam = sk_CONF_VALUE_value(rsk, i)->name;
208 *preas = ASN1_BIT_STRING_new();
212 for (pbn = reason_flags; pbn->lname; pbn++) {
213 if (!strcmp(pbn->sname, bnam)) {
214 if (!ASN1_BIT_STRING_set_bit(*preas, pbn->bitnum, 1))
225 sk_CONF_VALUE_pop_free(rsk, X509V3_conf_free);
229 static int print_reasons(BIO *out, const char *rname,
230 ASN1_BIT_STRING *rflags, int indent)
233 const BIT_STRING_BITNAME *pbn;
234 BIO_printf(out, "%*s%s:\n%*s", indent, "", rname, indent + 2, "");
235 for (pbn = reason_flags; pbn->lname; pbn++) {
236 if (ASN1_BIT_STRING_get_bit(rflags, pbn->bitnum)) {
241 BIO_puts(out, pbn->lname);
245 BIO_puts(out, "<EMPTY>\n");
251 static DIST_POINT *crldp_from_section(X509V3_CTX *ctx,
252 STACK_OF(CONF_VALUE) *nval)
256 DIST_POINT *point = NULL;
257 point = DIST_POINT_new();
260 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
262 cnf = sk_CONF_VALUE_value(nval, i);
263 ret = set_dist_point_name(&point->distpoint, ctx, cnf);
268 if (!strcmp(cnf->name, "reasons")) {
269 if (!set_reasons(&point->reasons, cnf->value))
271 } else if (!strcmp(cnf->name, "CRLissuer")) {
272 point->CRLissuer = gnames_from_sectname(ctx, cnf->value);
273 if (!point->CRLissuer)
281 DIST_POINT_free(point);
285 static void *v2i_crld(const X509V3_EXT_METHOD *method,
286 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
288 STACK_OF(DIST_POINT) *crld = NULL;
289 GENERAL_NAMES *gens = NULL;
290 GENERAL_NAME *gen = NULL;
293 if (!(crld = sk_DIST_POINT_new_null()))
295 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
297 cnf = sk_CONF_VALUE_value(nval, i);
299 STACK_OF(CONF_VALUE) *dpsect;
300 dpsect = X509V3_get_section(ctx, cnf->name);
303 point = crldp_from_section(ctx, dpsect);
304 X509V3_section_free(ctx, dpsect);
307 if (!sk_DIST_POINT_push(crld, point)) {
308 DIST_POINT_free(point);
312 if (!(gen = v2i_GENERAL_NAME(method, ctx, cnf)))
314 if (!(gens = GENERAL_NAMES_new()))
316 if (!sk_GENERAL_NAME_push(gens, gen))
319 if (!(point = DIST_POINT_new()))
321 if (!sk_DIST_POINT_push(crld, point)) {
322 DIST_POINT_free(point);
325 if (!(point->distpoint = DIST_POINT_NAME_new()))
327 point->distpoint->name.fullname = gens;
328 point->distpoint->type = 0;
335 X509V3err(X509V3_F_V2I_CRLD, ERR_R_MALLOC_FAILURE);
337 GENERAL_NAME_free(gen);
338 GENERAL_NAMES_free(gens);
339 sk_DIST_POINT_pop_free(crld, DIST_POINT_free);
343 static int dpn_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
346 DIST_POINT_NAME *dpn = (DIST_POINT_NAME *)*pval;
349 case ASN1_OP_NEW_POST:
353 case ASN1_OP_FREE_POST:
354 X509_NAME_free(dpn->dpname);
361 ASN1_CHOICE_cb(DIST_POINT_NAME, dpn_cb) = {
362 ASN1_IMP_SEQUENCE_OF(DIST_POINT_NAME, name.fullname, GENERAL_NAME, 0),
363 ASN1_IMP_SET_OF(DIST_POINT_NAME, name.relativename, X509_NAME_ENTRY, 1)
364 } ASN1_CHOICE_END_cb(DIST_POINT_NAME, DIST_POINT_NAME, type)
367 IMPLEMENT_ASN1_FUNCTIONS(DIST_POINT_NAME)
369 ASN1_SEQUENCE(DIST_POINT) = {
370 ASN1_EXP_OPT(DIST_POINT, distpoint, DIST_POINT_NAME, 0),
371 ASN1_IMP_OPT(DIST_POINT, reasons, ASN1_BIT_STRING, 1),
372 ASN1_IMP_SEQUENCE_OF_OPT(DIST_POINT, CRLissuer, GENERAL_NAME, 2)
373 } ASN1_SEQUENCE_END(DIST_POINT)
375 IMPLEMENT_ASN1_FUNCTIONS(DIST_POINT)
377 ASN1_ITEM_TEMPLATE(CRL_DIST_POINTS) =
378 ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, CRLDistributionPoints, DIST_POINT)
379 ASN1_ITEM_TEMPLATE_END(CRL_DIST_POINTS)
381 IMPLEMENT_ASN1_FUNCTIONS(CRL_DIST_POINTS)
383 ASN1_SEQUENCE(ISSUING_DIST_POINT) = {
384 ASN1_EXP_OPT(ISSUING_DIST_POINT, distpoint, DIST_POINT_NAME, 0),
385 ASN1_IMP_OPT(ISSUING_DIST_POINT, onlyuser, ASN1_FBOOLEAN, 1),
386 ASN1_IMP_OPT(ISSUING_DIST_POINT, onlyCA, ASN1_FBOOLEAN, 2),
387 ASN1_IMP_OPT(ISSUING_DIST_POINT, onlysomereasons, ASN1_BIT_STRING, 3),
388 ASN1_IMP_OPT(ISSUING_DIST_POINT, indirectCRL, ASN1_FBOOLEAN, 4),
389 ASN1_IMP_OPT(ISSUING_DIST_POINT, onlyattr, ASN1_FBOOLEAN, 5)
390 } ASN1_SEQUENCE_END(ISSUING_DIST_POINT)
392 IMPLEMENT_ASN1_FUNCTIONS(ISSUING_DIST_POINT)
394 static int i2r_idp(const X509V3_EXT_METHOD *method, void *pidp, BIO *out,
396 static void *v2i_idp(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
397 STACK_OF(CONF_VALUE) *nval);
399 const X509V3_EXT_METHOD v3_idp = {
400 NID_issuing_distribution_point, X509V3_EXT_MULTILINE,
401 ASN1_ITEM_ref(ISSUING_DIST_POINT),
410 static void *v2i_idp(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
411 STACK_OF(CONF_VALUE) *nval)
413 ISSUING_DIST_POINT *idp = NULL;
417 idp = ISSUING_DIST_POINT_new();
420 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
421 cnf = sk_CONF_VALUE_value(nval, i);
424 ret = set_dist_point_name(&idp->distpoint, ctx, cnf);
429 if (!strcmp(name, "onlyuser")) {
430 if (!X509V3_get_value_bool(cnf, &idp->onlyuser))
432 } else if (!strcmp(name, "onlyCA")) {
433 if (!X509V3_get_value_bool(cnf, &idp->onlyCA))
435 } else if (!strcmp(name, "onlyAA")) {
436 if (!X509V3_get_value_bool(cnf, &idp->onlyattr))
438 } else if (!strcmp(name, "indirectCRL")) {
439 if (!X509V3_get_value_bool(cnf, &idp->indirectCRL))
441 } else if (!strcmp(name, "onlysomereasons")) {
442 if (!set_reasons(&idp->onlysomereasons, val))
445 X509V3err(X509V3_F_V2I_IDP, X509V3_R_INVALID_NAME);
446 X509V3_conf_err(cnf);
453 X509V3err(X509V3_F_V2I_IDP, ERR_R_MALLOC_FAILURE);
455 ISSUING_DIST_POINT_free(idp);
459 static int print_gens(BIO *out, STACK_OF(GENERAL_NAME) *gens, int indent)
462 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
463 BIO_printf(out, "%*s", indent + 2, "");
464 GENERAL_NAME_print(out, sk_GENERAL_NAME_value(gens, i));
470 static int print_distpoint(BIO *out, DIST_POINT_NAME *dpn, int indent)
472 if (dpn->type == 0) {
473 BIO_printf(out, "%*sFull Name:\n", indent, "");
474 print_gens(out, dpn->name.fullname, indent);
477 ntmp.entries = dpn->name.relativename;
478 BIO_printf(out, "%*sRelative Name:\n%*s", indent, "", indent + 2, "");
479 X509_NAME_print_ex(out, &ntmp, 0, XN_FLAG_ONELINE);
485 static int i2r_idp(const X509V3_EXT_METHOD *method, void *pidp, BIO *out,
488 ISSUING_DIST_POINT *idp = pidp;
490 print_distpoint(out, idp->distpoint, indent);
491 if (idp->onlyuser > 0)
492 BIO_printf(out, "%*sOnly User Certificates\n", indent, "");
494 BIO_printf(out, "%*sOnly CA Certificates\n", indent, "");
495 if (idp->indirectCRL > 0)
496 BIO_printf(out, "%*sIndirect CRL\n", indent, "");
497 if (idp->onlysomereasons)
498 print_reasons(out, "Only Some Reasons", idp->onlysomereasons, indent);
499 if (idp->onlyattr > 0)
500 BIO_printf(out, "%*sOnly Attribute Certificates\n", indent, "");
501 if (!idp->distpoint && (idp->onlyuser <= 0) && (idp->onlyCA <= 0)
502 && (idp->indirectCRL <= 0) && !idp->onlysomereasons
503 && (idp->onlyattr <= 0))
504 BIO_printf(out, "%*s<EMPTY>\n", indent, "");
509 static int i2r_crldp(const X509V3_EXT_METHOD *method, void *pcrldp, BIO *out,
512 STACK_OF(DIST_POINT) *crld = pcrldp;
515 for (i = 0; i < sk_DIST_POINT_num(crld); i++) {
517 point = sk_DIST_POINT_value(crld, i);
518 if (point->distpoint)
519 print_distpoint(out, point->distpoint, indent);
521 print_reasons(out, "Reasons", point->reasons, indent);
522 if (point->CRLissuer) {
523 BIO_printf(out, "%*sCRL Issuer:\n", indent, "");
524 print_gens(out, point->CRLissuer, indent);
530 int DIST_POINT_set_dpname(DIST_POINT_NAME *dpn, X509_NAME *iname)
533 STACK_OF(X509_NAME_ENTRY) *frag;
535 if (!dpn || (dpn->type != 1))
537 frag = dpn->name.relativename;
538 dpn->dpname = X509_NAME_dup(iname);
541 for (i = 0; i < sk_X509_NAME_ENTRY_num(frag); i++) {
542 ne = sk_X509_NAME_ENTRY_value(frag, i);
543 if (!X509_NAME_add_entry(dpn->dpname, ne, -1, i ? 0 : 1)) {
544 X509_NAME_free(dpn->dpname);
549 /* generate cached encoding of name */
550 if (i2d_X509_NAME(dpn->dpname, NULL) < 0) {
551 X509_NAME_free(dpn->dpname);