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).
61 #include "internal/cryptlib.h"
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"
70 static void *v2i_crld(const X509V3_EXT_METHOD *method,
71 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
72 static int i2r_crldp(const X509V3_EXT_METHOD *method, void *pcrldp, BIO *out,
75 const X509V3_EXT_METHOD v3_crld = {
76 NID_crl_distribution_points, 0, ASN1_ITEM_ref(CRL_DIST_POINTS),
85 const X509V3_EXT_METHOD v3_freshest_crl = {
86 NID_freshest_crl, 0, ASN1_ITEM_ref(CRL_DIST_POINTS),
95 static STACK_OF(GENERAL_NAME) *gnames_from_sectname(X509V3_CTX *ctx,
98 STACK_OF(CONF_VALUE) *gnsect;
99 STACK_OF(GENERAL_NAME) *gens;
101 gnsect = X509V3_get_section(ctx, sect + 1);
103 gnsect = X509V3_parse_list(sect);
105 X509V3err(X509V3_F_GNAMES_FROM_SECTNAME, X509V3_R_SECTION_NOT_FOUND);
108 gens = v2i_GENERAL_NAMES(NULL, ctx, gnsect);
110 X509V3_section_free(ctx, gnsect);
112 sk_CONF_VALUE_pop_free(gnsect, X509V3_conf_free);
116 static int set_dist_point_name(DIST_POINT_NAME **pdp, X509V3_CTX *ctx,
119 STACK_OF(GENERAL_NAME) *fnm = NULL;
120 STACK_OF(X509_NAME_ENTRY) *rnm = NULL;
122 if (strncmp(cnf->name, "fullname", 9) == 0) {
123 fnm = gnames_from_sectname(ctx, cnf->value);
126 } else if (strcmp(cnf->name, "relativename") == 0) {
128 STACK_OF(CONF_VALUE) *dnsect;
130 nm = X509_NAME_new();
133 dnsect = X509V3_get_section(ctx, cnf->value);
135 X509V3err(X509V3_F_SET_DIST_POINT_NAME,
136 X509V3_R_SECTION_NOT_FOUND);
139 ret = X509V3_NAME_from_section(nm, dnsect, MBSTRING_ASC);
140 X509V3_section_free(ctx, dnsect);
144 if (!ret || sk_X509_NAME_ENTRY_num(rnm) <= 0)
147 * Since its a name fragment can't have more than one RDNSequence
149 if (sk_X509_NAME_ENTRY_value(rnm,
150 sk_X509_NAME_ENTRY_num(rnm) - 1)->set) {
151 X509V3err(X509V3_F_SET_DIST_POINT_NAME,
152 X509V3_R_INVALID_MULTIPLE_RDNS);
159 X509V3err(X509V3_F_SET_DIST_POINT_NAME,
160 X509V3_R_DISTPOINT_ALREADY_SET);
164 *pdp = DIST_POINT_NAME_new();
169 (*pdp)->name.fullname = fnm;
172 (*pdp)->name.relativename = rnm;
178 sk_GENERAL_NAME_pop_free(fnm, GENERAL_NAME_free);
179 sk_X509_NAME_ENTRY_pop_free(rnm, X509_NAME_ENTRY_free);
183 static const BIT_STRING_BITNAME reason_flags[] = {
184 {0, "Unused", "unused"},
185 {1, "Key Compromise", "keyCompromise"},
186 {2, "CA Compromise", "CACompromise"},
187 {3, "Affiliation Changed", "affiliationChanged"},
188 {4, "Superseded", "superseded"},
189 {5, "Cessation Of Operation", "cessationOfOperation"},
190 {6, "Certificate Hold", "certificateHold"},
191 {7, "Privilege Withdrawn", "privilegeWithdrawn"},
192 {8, "AA Compromise", "AACompromise"},
196 static int set_reasons(ASN1_BIT_STRING **preas, char *value)
198 STACK_OF(CONF_VALUE) *rsk = NULL;
199 const BIT_STRING_BITNAME *pbn;
202 rsk = X509V3_parse_list(value);
207 for (i = 0; i < sk_CONF_VALUE_num(rsk); i++) {
208 bnam = sk_CONF_VALUE_value(rsk, i)->name;
210 *preas = ASN1_BIT_STRING_new();
214 for (pbn = reason_flags; pbn->lname; pbn++) {
215 if (strcmp(pbn->sname, bnam) == 0) {
216 if (!ASN1_BIT_STRING_set_bit(*preas, pbn->bitnum, 1))
227 sk_CONF_VALUE_pop_free(rsk, X509V3_conf_free);
231 static int print_reasons(BIO *out, const char *rname,
232 ASN1_BIT_STRING *rflags, int indent)
235 const BIT_STRING_BITNAME *pbn;
236 BIO_printf(out, "%*s%s:\n%*s", indent, "", rname, indent + 2, "");
237 for (pbn = reason_flags; pbn->lname; pbn++) {
238 if (ASN1_BIT_STRING_get_bit(rflags, pbn->bitnum)) {
243 BIO_puts(out, pbn->lname);
247 BIO_puts(out, "<EMPTY>\n");
253 static DIST_POINT *crldp_from_section(X509V3_CTX *ctx,
254 STACK_OF(CONF_VALUE) *nval)
258 DIST_POINT *point = NULL;
259 point = DIST_POINT_new();
262 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
264 cnf = sk_CONF_VALUE_value(nval, i);
265 ret = set_dist_point_name(&point->distpoint, ctx, cnf);
270 if (strcmp(cnf->name, "reasons") == 0) {
271 if (!set_reasons(&point->reasons, cnf->value))
273 } else if (strcmp(cnf->name, "CRLissuer") == 0) {
274 point->CRLissuer = gnames_from_sectname(ctx, cnf->value);
275 if (!point->CRLissuer)
283 DIST_POINT_free(point);
287 static void *v2i_crld(const X509V3_EXT_METHOD *method,
288 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
290 STACK_OF(DIST_POINT) *crld = NULL;
291 GENERAL_NAMES *gens = NULL;
292 GENERAL_NAME *gen = NULL;
296 if ((crld = sk_DIST_POINT_new_null()) == NULL)
298 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
300 cnf = sk_CONF_VALUE_value(nval, i);
302 STACK_OF(CONF_VALUE) *dpsect;
303 dpsect = X509V3_get_section(ctx, cnf->name);
306 point = crldp_from_section(ctx, dpsect);
307 X509V3_section_free(ctx, dpsect);
310 if (!sk_DIST_POINT_push(crld, point)) {
311 DIST_POINT_free(point);
315 if ((gen = v2i_GENERAL_NAME(method, ctx, cnf)) == NULL)
317 if ((gens = GENERAL_NAMES_new()) == NULL)
319 if (!sk_GENERAL_NAME_push(gens, gen))
322 if ((point = DIST_POINT_new()) == NULL)
324 if (!sk_DIST_POINT_push(crld, point)) {
325 DIST_POINT_free(point);
328 if ((point->distpoint = DIST_POINT_NAME_new()) == NULL)
330 point->distpoint->name.fullname = gens;
331 point->distpoint->type = 0;
338 X509V3err(X509V3_F_V2I_CRLD, ERR_R_MALLOC_FAILURE);
340 GENERAL_NAME_free(gen);
341 GENERAL_NAMES_free(gens);
342 sk_DIST_POINT_pop_free(crld, DIST_POINT_free);
346 static int dpn_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
349 DIST_POINT_NAME *dpn = (DIST_POINT_NAME *)*pval;
352 case ASN1_OP_NEW_POST:
356 case ASN1_OP_FREE_POST:
357 X509_NAME_free(dpn->dpname);
364 ASN1_CHOICE_cb(DIST_POINT_NAME, dpn_cb) = {
365 ASN1_IMP_SEQUENCE_OF(DIST_POINT_NAME, name.fullname, GENERAL_NAME, 0),
366 ASN1_IMP_SET_OF(DIST_POINT_NAME, name.relativename, X509_NAME_ENTRY, 1)
367 } ASN1_CHOICE_END_cb(DIST_POINT_NAME, DIST_POINT_NAME, type)
370 IMPLEMENT_ASN1_FUNCTIONS(DIST_POINT_NAME)
372 ASN1_SEQUENCE(DIST_POINT) = {
373 ASN1_EXP_OPT(DIST_POINT, distpoint, DIST_POINT_NAME, 0),
374 ASN1_IMP_OPT(DIST_POINT, reasons, ASN1_BIT_STRING, 1),
375 ASN1_IMP_SEQUENCE_OF_OPT(DIST_POINT, CRLissuer, GENERAL_NAME, 2)
376 } ASN1_SEQUENCE_END(DIST_POINT)
378 IMPLEMENT_ASN1_FUNCTIONS(DIST_POINT)
380 ASN1_ITEM_TEMPLATE(CRL_DIST_POINTS) =
381 ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, CRLDistributionPoints, DIST_POINT)
382 ASN1_ITEM_TEMPLATE_END(CRL_DIST_POINTS)
384 IMPLEMENT_ASN1_FUNCTIONS(CRL_DIST_POINTS)
386 ASN1_SEQUENCE(ISSUING_DIST_POINT) = {
387 ASN1_EXP_OPT(ISSUING_DIST_POINT, distpoint, DIST_POINT_NAME, 0),
388 ASN1_IMP_OPT(ISSUING_DIST_POINT, onlyuser, ASN1_FBOOLEAN, 1),
389 ASN1_IMP_OPT(ISSUING_DIST_POINT, onlyCA, ASN1_FBOOLEAN, 2),
390 ASN1_IMP_OPT(ISSUING_DIST_POINT, onlysomereasons, ASN1_BIT_STRING, 3),
391 ASN1_IMP_OPT(ISSUING_DIST_POINT, indirectCRL, ASN1_FBOOLEAN, 4),
392 ASN1_IMP_OPT(ISSUING_DIST_POINT, onlyattr, ASN1_FBOOLEAN, 5)
393 } ASN1_SEQUENCE_END(ISSUING_DIST_POINT)
395 IMPLEMENT_ASN1_FUNCTIONS(ISSUING_DIST_POINT)
397 static int i2r_idp(const X509V3_EXT_METHOD *method, void *pidp, BIO *out,
399 static void *v2i_idp(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
400 STACK_OF(CONF_VALUE) *nval);
402 const X509V3_EXT_METHOD v3_idp = {
403 NID_issuing_distribution_point, X509V3_EXT_MULTILINE,
404 ASN1_ITEM_ref(ISSUING_DIST_POINT),
413 static void *v2i_idp(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
414 STACK_OF(CONF_VALUE) *nval)
416 ISSUING_DIST_POINT *idp = NULL;
420 idp = ISSUING_DIST_POINT_new();
423 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
424 cnf = sk_CONF_VALUE_value(nval, i);
427 ret = set_dist_point_name(&idp->distpoint, ctx, cnf);
432 if (strcmp(name, "onlyuser") == 0) {
433 if (!X509V3_get_value_bool(cnf, &idp->onlyuser))
435 } else if (strcmp(name, "onlyCA") == 0) {
436 if (!X509V3_get_value_bool(cnf, &idp->onlyCA))
438 } else if (strcmp(name, "onlyAA") == 0) {
439 if (!X509V3_get_value_bool(cnf, &idp->onlyattr))
441 } else if (strcmp(name, "indirectCRL") == 0) {
442 if (!X509V3_get_value_bool(cnf, &idp->indirectCRL))
444 } else if (strcmp(name, "onlysomereasons") == 0) {
445 if (!set_reasons(&idp->onlysomereasons, val))
448 X509V3err(X509V3_F_V2I_IDP, X509V3_R_INVALID_NAME);
449 X509V3_conf_err(cnf);
456 X509V3err(X509V3_F_V2I_IDP, ERR_R_MALLOC_FAILURE);
458 ISSUING_DIST_POINT_free(idp);
462 static int print_gens(BIO *out, STACK_OF(GENERAL_NAME) *gens, int indent)
465 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
466 BIO_printf(out, "%*s", indent + 2, "");
467 GENERAL_NAME_print(out, sk_GENERAL_NAME_value(gens, i));
473 static int print_distpoint(BIO *out, DIST_POINT_NAME *dpn, int indent)
475 if (dpn->type == 0) {
476 BIO_printf(out, "%*sFull Name:\n", indent, "");
477 print_gens(out, dpn->name.fullname, indent);
480 ntmp.entries = dpn->name.relativename;
481 BIO_printf(out, "%*sRelative Name:\n%*s", indent, "", indent + 2, "");
482 X509_NAME_print_ex(out, &ntmp, 0, XN_FLAG_ONELINE);
488 static int i2r_idp(const X509V3_EXT_METHOD *method, void *pidp, BIO *out,
491 ISSUING_DIST_POINT *idp = pidp;
493 print_distpoint(out, idp->distpoint, indent);
494 if (idp->onlyuser > 0)
495 BIO_printf(out, "%*sOnly User Certificates\n", indent, "");
497 BIO_printf(out, "%*sOnly CA Certificates\n", indent, "");
498 if (idp->indirectCRL > 0)
499 BIO_printf(out, "%*sIndirect CRL\n", indent, "");
500 if (idp->onlysomereasons)
501 print_reasons(out, "Only Some Reasons", idp->onlysomereasons, indent);
502 if (idp->onlyattr > 0)
503 BIO_printf(out, "%*sOnly Attribute Certificates\n", indent, "");
504 if (!idp->distpoint && (idp->onlyuser <= 0) && (idp->onlyCA <= 0)
505 && (idp->indirectCRL <= 0) && !idp->onlysomereasons
506 && (idp->onlyattr <= 0))
507 BIO_printf(out, "%*s<EMPTY>\n", indent, "");
512 static int i2r_crldp(const X509V3_EXT_METHOD *method, void *pcrldp, BIO *out,
515 STACK_OF(DIST_POINT) *crld = pcrldp;
518 for (i = 0; i < sk_DIST_POINT_num(crld); i++) {
520 point = sk_DIST_POINT_value(crld, i);
521 if (point->distpoint)
522 print_distpoint(out, point->distpoint, indent);
524 print_reasons(out, "Reasons", point->reasons, indent);
525 if (point->CRLissuer) {
526 BIO_printf(out, "%*sCRL Issuer:\n", indent, "");
527 print_gens(out, point->CRLissuer, indent);
533 int DIST_POINT_set_dpname(DIST_POINT_NAME *dpn, X509_NAME *iname)
536 STACK_OF(X509_NAME_ENTRY) *frag;
538 if (!dpn || (dpn->type != 1))
540 frag = dpn->name.relativename;
541 dpn->dpname = X509_NAME_dup(iname);
544 for (i = 0; i < sk_X509_NAME_ENTRY_num(frag); i++) {
545 ne = sk_X509_NAME_ENTRY_value(frag, i);
546 if (!X509_NAME_add_entry(dpn->dpname, ne, -1, i ? 0 : 1)) {
547 X509_NAME_free(dpn->dpname);
552 /* generate cached encoding of name */
553 if (i2d_X509_NAME(dpn->dpname, NULL) < 0) {
554 X509_NAME_free(dpn->dpname);