2 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
5 /* ====================================================================
6 * Copyright (c) 1999-2008 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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 * ====================================================================
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).
60 #include "internal/cryptlib.h"
61 #include <openssl/conf.h>
62 #include <openssl/asn1.h>
63 #include <openssl/asn1t.h>
64 #include <openssl/x509v3.h>
66 #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;
121 if (strncmp(cnf->name, "fullname", 9) == 0) {
122 fnm = gnames_from_sectname(ctx, cnf->value);
125 } else if (strcmp(cnf->name, "relativename") == 0) {
127 STACK_OF(CONF_VALUE) *dnsect;
129 nm = X509_NAME_new();
132 dnsect = X509V3_get_section(ctx, cnf->value);
134 X509V3err(X509V3_F_SET_DIST_POINT_NAME,
135 X509V3_R_SECTION_NOT_FOUND);
138 ret = X509V3_NAME_from_section(nm, dnsect, MBSTRING_ASC);
139 X509V3_section_free(ctx, dnsect);
143 if (!ret || sk_X509_NAME_ENTRY_num(rnm) <= 0)
146 * Since its a name fragment can't have more than one RDNSequence
148 if (sk_X509_NAME_ENTRY_value(rnm,
149 sk_X509_NAME_ENTRY_num(rnm) - 1)->set) {
150 X509V3err(X509V3_F_SET_DIST_POINT_NAME,
151 X509V3_R_INVALID_MULTIPLE_RDNS);
158 X509V3err(X509V3_F_SET_DIST_POINT_NAME,
159 X509V3_R_DISTPOINT_ALREADY_SET);
163 *pdp = DIST_POINT_NAME_new();
168 (*pdp)->name.fullname = fnm;
171 (*pdp)->name.relativename = rnm;
177 sk_GENERAL_NAME_pop_free(fnm, GENERAL_NAME_free);
178 sk_X509_NAME_ENTRY_pop_free(rnm, X509_NAME_ENTRY_free);
182 static const BIT_STRING_BITNAME reason_flags[] = {
183 {0, "Unused", "unused"},
184 {1, "Key Compromise", "keyCompromise"},
185 {2, "CA Compromise", "CACompromise"},
186 {3, "Affiliation Changed", "affiliationChanged"},
187 {4, "Superseded", "superseded"},
188 {5, "Cessation Of Operation", "cessationOfOperation"},
189 {6, "Certificate Hold", "certificateHold"},
190 {7, "Privilege Withdrawn", "privilegeWithdrawn"},
191 {8, "AA Compromise", "AACompromise"},
195 static int set_reasons(ASN1_BIT_STRING **preas, char *value)
197 STACK_OF(CONF_VALUE) *rsk = NULL;
198 const BIT_STRING_BITNAME *pbn;
201 rsk = X509V3_parse_list(value);
206 for (i = 0; i < sk_CONF_VALUE_num(rsk); i++) {
207 bnam = sk_CONF_VALUE_value(rsk, i)->name;
208 if (*preas == NULL) {
209 *preas = ASN1_BIT_STRING_new();
213 for (pbn = reason_flags; pbn->lname; pbn++) {
214 if (strcmp(pbn->sname, bnam) == 0) {
215 if (!ASN1_BIT_STRING_set_bit(*preas, pbn->bitnum, 1))
226 sk_CONF_VALUE_pop_free(rsk, X509V3_conf_free);
230 static int print_reasons(BIO *out, const char *rname,
231 ASN1_BIT_STRING *rflags, int indent)
234 const BIT_STRING_BITNAME *pbn;
235 BIO_printf(out, "%*s%s:\n%*s", indent, "", rname, indent + 2, "");
236 for (pbn = reason_flags; pbn->lname; pbn++) {
237 if (ASN1_BIT_STRING_get_bit(rflags, pbn->bitnum)) {
242 BIO_puts(out, pbn->lname);
246 BIO_puts(out, "<EMPTY>\n");
252 static DIST_POINT *crldp_from_section(X509V3_CTX *ctx,
253 STACK_OF(CONF_VALUE) *nval)
257 DIST_POINT *point = NULL;
258 point = DIST_POINT_new();
261 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
263 cnf = sk_CONF_VALUE_value(nval, i);
264 ret = set_dist_point_name(&point->distpoint, ctx, cnf);
269 if (strcmp(cnf->name, "reasons") == 0) {
270 if (!set_reasons(&point->reasons, cnf->value))
272 } else if (strcmp(cnf->name, "CRLissuer") == 0) {
273 point->CRLissuer = gnames_from_sectname(ctx, cnf->value);
274 if (!point->CRLissuer)
282 DIST_POINT_free(point);
286 static void *v2i_crld(const X509V3_EXT_METHOD *method,
287 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
289 STACK_OF(DIST_POINT) *crld = NULL;
290 GENERAL_NAMES *gens = NULL;
291 GENERAL_NAME *gen = NULL;
295 if ((crld = sk_DIST_POINT_new_null()) == NULL)
297 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
299 cnf = sk_CONF_VALUE_value(nval, i);
301 STACK_OF(CONF_VALUE) *dpsect;
302 dpsect = X509V3_get_section(ctx, cnf->name);
305 point = crldp_from_section(ctx, dpsect);
306 X509V3_section_free(ctx, dpsect);
309 if (!sk_DIST_POINT_push(crld, point)) {
310 DIST_POINT_free(point);
314 if ((gen = v2i_GENERAL_NAME(method, ctx, cnf)) == NULL)
316 if ((gens = GENERAL_NAMES_new()) == NULL)
318 if (!sk_GENERAL_NAME_push(gens, gen))
321 if ((point = DIST_POINT_new()) == NULL)
323 if (!sk_DIST_POINT_push(crld, point)) {
324 DIST_POINT_free(point);
327 if ((point->distpoint = DIST_POINT_NAME_new()) == NULL)
329 point->distpoint->name.fullname = gens;
330 point->distpoint->type = 0;
337 X509V3err(X509V3_F_V2I_CRLD, ERR_R_MALLOC_FAILURE);
339 GENERAL_NAME_free(gen);
340 GENERAL_NAMES_free(gens);
341 sk_DIST_POINT_pop_free(crld, DIST_POINT_free);
345 static int dpn_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
348 DIST_POINT_NAME *dpn = (DIST_POINT_NAME *)*pval;
351 case ASN1_OP_NEW_POST:
355 case ASN1_OP_FREE_POST:
356 X509_NAME_free(dpn->dpname);
363 ASN1_CHOICE_cb(DIST_POINT_NAME, dpn_cb) = {
364 ASN1_IMP_SEQUENCE_OF(DIST_POINT_NAME, name.fullname, GENERAL_NAME, 0),
365 ASN1_IMP_SET_OF(DIST_POINT_NAME, name.relativename, X509_NAME_ENTRY, 1)
366 } ASN1_CHOICE_END_cb(DIST_POINT_NAME, DIST_POINT_NAME, type)
369 IMPLEMENT_ASN1_FUNCTIONS(DIST_POINT_NAME)
371 ASN1_SEQUENCE(DIST_POINT) = {
372 ASN1_EXP_OPT(DIST_POINT, distpoint, DIST_POINT_NAME, 0),
373 ASN1_IMP_OPT(DIST_POINT, reasons, ASN1_BIT_STRING, 1),
374 ASN1_IMP_SEQUENCE_OF_OPT(DIST_POINT, CRLissuer, GENERAL_NAME, 2)
375 } ASN1_SEQUENCE_END(DIST_POINT)
377 IMPLEMENT_ASN1_FUNCTIONS(DIST_POINT)
379 ASN1_ITEM_TEMPLATE(CRL_DIST_POINTS) =
380 ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, CRLDistributionPoints, DIST_POINT)
381 ASN1_ITEM_TEMPLATE_END(CRL_DIST_POINTS)
383 IMPLEMENT_ASN1_FUNCTIONS(CRL_DIST_POINTS)
385 ASN1_SEQUENCE(ISSUING_DIST_POINT) = {
386 ASN1_EXP_OPT(ISSUING_DIST_POINT, distpoint, DIST_POINT_NAME, 0),
387 ASN1_IMP_OPT(ISSUING_DIST_POINT, onlyuser, ASN1_FBOOLEAN, 1),
388 ASN1_IMP_OPT(ISSUING_DIST_POINT, onlyCA, ASN1_FBOOLEAN, 2),
389 ASN1_IMP_OPT(ISSUING_DIST_POINT, onlysomereasons, ASN1_BIT_STRING, 3),
390 ASN1_IMP_OPT(ISSUING_DIST_POINT, indirectCRL, ASN1_FBOOLEAN, 4),
391 ASN1_IMP_OPT(ISSUING_DIST_POINT, onlyattr, ASN1_FBOOLEAN, 5)
392 } ASN1_SEQUENCE_END(ISSUING_DIST_POINT)
394 IMPLEMENT_ASN1_FUNCTIONS(ISSUING_DIST_POINT)
396 static int i2r_idp(const X509V3_EXT_METHOD *method, void *pidp, BIO *out,
398 static void *v2i_idp(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
399 STACK_OF(CONF_VALUE) *nval);
401 const X509V3_EXT_METHOD v3_idp = {
402 NID_issuing_distribution_point, X509V3_EXT_MULTILINE,
403 ASN1_ITEM_ref(ISSUING_DIST_POINT),
412 static void *v2i_idp(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
413 STACK_OF(CONF_VALUE) *nval)
415 ISSUING_DIST_POINT *idp = NULL;
419 idp = ISSUING_DIST_POINT_new();
422 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
423 cnf = sk_CONF_VALUE_value(nval, i);
426 ret = set_dist_point_name(&idp->distpoint, ctx, cnf);
431 if (strcmp(name, "onlyuser") == 0) {
432 if (!X509V3_get_value_bool(cnf, &idp->onlyuser))
434 } else if (strcmp(name, "onlyCA") == 0) {
435 if (!X509V3_get_value_bool(cnf, &idp->onlyCA))
437 } else if (strcmp(name, "onlyAA") == 0) {
438 if (!X509V3_get_value_bool(cnf, &idp->onlyattr))
440 } else if (strcmp(name, "indirectCRL") == 0) {
441 if (!X509V3_get_value_bool(cnf, &idp->indirectCRL))
443 } else if (strcmp(name, "onlysomereasons") == 0) {
444 if (!set_reasons(&idp->onlysomereasons, val))
447 X509V3err(X509V3_F_V2I_IDP, X509V3_R_INVALID_NAME);
448 X509V3_conf_err(cnf);
455 X509V3err(X509V3_F_V2I_IDP, ERR_R_MALLOC_FAILURE);
457 ISSUING_DIST_POINT_free(idp);
461 static int print_gens(BIO *out, STACK_OF(GENERAL_NAME) *gens, int indent)
464 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
465 BIO_printf(out, "%*s", indent + 2, "");
466 GENERAL_NAME_print(out, sk_GENERAL_NAME_value(gens, i));
472 static int print_distpoint(BIO *out, DIST_POINT_NAME *dpn, int indent)
474 if (dpn->type == 0) {
475 BIO_printf(out, "%*sFull Name:\n", indent, "");
476 print_gens(out, dpn->name.fullname, indent);
479 ntmp.entries = dpn->name.relativename;
480 BIO_printf(out, "%*sRelative Name:\n%*s", indent, "", indent + 2, "");
481 X509_NAME_print_ex(out, &ntmp, 0, XN_FLAG_ONELINE);
487 static int i2r_idp(const X509V3_EXT_METHOD *method, void *pidp, BIO *out,
490 ISSUING_DIST_POINT *idp = pidp;
492 print_distpoint(out, idp->distpoint, indent);
493 if (idp->onlyuser > 0)
494 BIO_printf(out, "%*sOnly User Certificates\n", indent, "");
496 BIO_printf(out, "%*sOnly CA Certificates\n", indent, "");
497 if (idp->indirectCRL > 0)
498 BIO_printf(out, "%*sIndirect CRL\n", indent, "");
499 if (idp->onlysomereasons)
500 print_reasons(out, "Only Some Reasons", idp->onlysomereasons, indent);
501 if (idp->onlyattr > 0)
502 BIO_printf(out, "%*sOnly Attribute Certificates\n", indent, "");
503 if (!idp->distpoint && (idp->onlyuser <= 0) && (idp->onlyCA <= 0)
504 && (idp->indirectCRL <= 0) && !idp->onlysomereasons
505 && (idp->onlyattr <= 0))
506 BIO_printf(out, "%*s<EMPTY>\n", indent, "");
511 static int i2r_crldp(const X509V3_EXT_METHOD *method, void *pcrldp, BIO *out,
514 STACK_OF(DIST_POINT) *crld = pcrldp;
517 for (i = 0; i < sk_DIST_POINT_num(crld); i++) {
519 point = sk_DIST_POINT_value(crld, i);
520 if (point->distpoint)
521 print_distpoint(out, point->distpoint, indent);
523 print_reasons(out, "Reasons", point->reasons, indent);
524 if (point->CRLissuer) {
525 BIO_printf(out, "%*sCRL Issuer:\n", indent, "");
526 print_gens(out, point->CRLissuer, indent);
532 int DIST_POINT_set_dpname(DIST_POINT_NAME *dpn, X509_NAME *iname)
535 STACK_OF(X509_NAME_ENTRY) *frag;
537 if (!dpn || (dpn->type != 1))
539 frag = dpn->name.relativename;
540 dpn->dpname = X509_NAME_dup(iname);
543 for (i = 0; i < sk_X509_NAME_ENTRY_num(frag); i++) {
544 ne = sk_X509_NAME_ENTRY_value(frag, i);
545 if (!X509_NAME_add_entry(dpn->dpname, ne, -1, i ? 0 : 1)) {
546 X509_NAME_free(dpn->dpname);
551 /* generate cached encoding of name */
552 if (i2d_X509_NAME(dpn->dpname, NULL) < 0) {
553 X509_NAME_free(dpn->dpname);