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
;
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
;
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
;
294 if (!(crld
= sk_DIST_POINT_new_null()))
296 for (i
= 0; i
< sk_CONF_VALUE_num(nval
); i
++) {
298 cnf
= sk_CONF_VALUE_value(nval
, i
);
300 STACK_OF(CONF_VALUE
) *dpsect
;
301 dpsect
= X509V3_get_section(ctx
, cnf
->name
);
304 point
= crldp_from_section(ctx
, dpsect
);
305 X509V3_section_free(ctx
, dpsect
);
308 if (!sk_DIST_POINT_push(crld
, point
)) {
309 DIST_POINT_free(point
);
313 if (!(gen
= v2i_GENERAL_NAME(method
, ctx
, cnf
)))
315 if (!(gens
= GENERAL_NAMES_new()))
317 if (!sk_GENERAL_NAME_push(gens
, gen
))
320 if (!(point
= DIST_POINT_new()))
322 if (!sk_DIST_POINT_push(crld
, point
)) {
323 DIST_POINT_free(point
);
326 if (!(point
->distpoint
= DIST_POINT_NAME_new()))
328 point
->distpoint
->name
.fullname
= gens
;
329 point
->distpoint
->type
= 0;
336 X509V3err(X509V3_F_V2I_CRLD
, ERR_R_MALLOC_FAILURE
);
338 GENERAL_NAME_free(gen
);
339 GENERAL_NAMES_free(gens
);
340 sk_DIST_POINT_pop_free(crld
, DIST_POINT_free
);
344 static int dpn_cb(int operation
, ASN1_VALUE
**pval
, const ASN1_ITEM
*it
,
347 DIST_POINT_NAME
*dpn
= (DIST_POINT_NAME
*)*pval
;
350 case ASN1_OP_NEW_POST
:
354 case ASN1_OP_FREE_POST
:
355 X509_NAME_free(dpn
->dpname
);
362 ASN1_CHOICE_cb(DIST_POINT_NAME
, dpn_cb
) = {
363 ASN1_IMP_SEQUENCE_OF(DIST_POINT_NAME
, name
.fullname
, GENERAL_NAME
, 0),
364 ASN1_IMP_SET_OF(DIST_POINT_NAME
, name
.relativename
, X509_NAME_ENTRY
, 1)
365 } ASN1_CHOICE_END_cb(DIST_POINT_NAME
, DIST_POINT_NAME
, type
)
368 IMPLEMENT_ASN1_FUNCTIONS(DIST_POINT_NAME
)
370 ASN1_SEQUENCE(DIST_POINT
) = {
371 ASN1_EXP_OPT(DIST_POINT
, distpoint
, DIST_POINT_NAME
, 0),
372 ASN1_IMP_OPT(DIST_POINT
, reasons
, ASN1_BIT_STRING
, 1),
373 ASN1_IMP_SEQUENCE_OF_OPT(DIST_POINT
, CRLissuer
, GENERAL_NAME
, 2)
374 } ASN1_SEQUENCE_END(DIST_POINT
)
376 IMPLEMENT_ASN1_FUNCTIONS(DIST_POINT
)
378 ASN1_ITEM_TEMPLATE(CRL_DIST_POINTS
) =
379 ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF
, 0, CRLDistributionPoints
, DIST_POINT
)
380 ASN1_ITEM_TEMPLATE_END(CRL_DIST_POINTS
)
382 IMPLEMENT_ASN1_FUNCTIONS(CRL_DIST_POINTS
)
384 ASN1_SEQUENCE(ISSUING_DIST_POINT
) = {
385 ASN1_EXP_OPT(ISSUING_DIST_POINT
, distpoint
, DIST_POINT_NAME
, 0),
386 ASN1_IMP_OPT(ISSUING_DIST_POINT
, onlyuser
, ASN1_FBOOLEAN
, 1),
387 ASN1_IMP_OPT(ISSUING_DIST_POINT
, onlyCA
, ASN1_FBOOLEAN
, 2),
388 ASN1_IMP_OPT(ISSUING_DIST_POINT
, onlysomereasons
, ASN1_BIT_STRING
, 3),
389 ASN1_IMP_OPT(ISSUING_DIST_POINT
, indirectCRL
, ASN1_FBOOLEAN
, 4),
390 ASN1_IMP_OPT(ISSUING_DIST_POINT
, onlyattr
, ASN1_FBOOLEAN
, 5)
391 } ASN1_SEQUENCE_END(ISSUING_DIST_POINT
)
393 IMPLEMENT_ASN1_FUNCTIONS(ISSUING_DIST_POINT
)
395 static int i2r_idp(const X509V3_EXT_METHOD
*method
, void *pidp
, BIO
*out
,
397 static void *v2i_idp(const X509V3_EXT_METHOD
*method
, X509V3_CTX
*ctx
,
398 STACK_OF(CONF_VALUE
) *nval
);
400 const X509V3_EXT_METHOD v3_idp
= {
401 NID_issuing_distribution_point
, X509V3_EXT_MULTILINE
,
402 ASN1_ITEM_ref(ISSUING_DIST_POINT
),
411 static void *v2i_idp(const X509V3_EXT_METHOD
*method
, X509V3_CTX
*ctx
,
412 STACK_OF(CONF_VALUE
) *nval
)
414 ISSUING_DIST_POINT
*idp
= NULL
;
418 idp
= ISSUING_DIST_POINT_new();
421 for (i
= 0; i
< sk_CONF_VALUE_num(nval
); i
++) {
422 cnf
= sk_CONF_VALUE_value(nval
, i
);
425 ret
= set_dist_point_name(&idp
->distpoint
, ctx
, cnf
);
430 if (strcmp(name
, "onlyuser") == 0) {
431 if (!X509V3_get_value_bool(cnf
, &idp
->onlyuser
))
433 } else if (strcmp(name
, "onlyCA") == 0) {
434 if (!X509V3_get_value_bool(cnf
, &idp
->onlyCA
))
436 } else if (strcmp(name
, "onlyAA") == 0) {
437 if (!X509V3_get_value_bool(cnf
, &idp
->onlyattr
))
439 } else if (strcmp(name
, "indirectCRL") == 0) {
440 if (!X509V3_get_value_bool(cnf
, &idp
->indirectCRL
))
442 } else if (strcmp(name
, "onlysomereasons") == 0) {
443 if (!set_reasons(&idp
->onlysomereasons
, val
))
446 X509V3err(X509V3_F_V2I_IDP
, X509V3_R_INVALID_NAME
);
447 X509V3_conf_err(cnf
);
454 X509V3err(X509V3_F_V2I_IDP
, ERR_R_MALLOC_FAILURE
);
456 ISSUING_DIST_POINT_free(idp
);
460 static int print_gens(BIO
*out
, STACK_OF(GENERAL_NAME
) *gens
, int indent
)
463 for (i
= 0; i
< sk_GENERAL_NAME_num(gens
); i
++) {
464 BIO_printf(out
, "%*s", indent
+ 2, "");
465 GENERAL_NAME_print(out
, sk_GENERAL_NAME_value(gens
, i
));
471 static int print_distpoint(BIO
*out
, DIST_POINT_NAME
*dpn
, int indent
)
473 if (dpn
->type
== 0) {
474 BIO_printf(out
, "%*sFull Name:\n", indent
, "");
475 print_gens(out
, dpn
->name
.fullname
, indent
);
478 ntmp
.entries
= dpn
->name
.relativename
;
479 BIO_printf(out
, "%*sRelative Name:\n%*s", indent
, "", indent
+ 2, "");
480 X509_NAME_print_ex(out
, &ntmp
, 0, XN_FLAG_ONELINE
);
486 static int i2r_idp(const X509V3_EXT_METHOD
*method
, void *pidp
, BIO
*out
,
489 ISSUING_DIST_POINT
*idp
= pidp
;
491 print_distpoint(out
, idp
->distpoint
, indent
);
492 if (idp
->onlyuser
> 0)
493 BIO_printf(out
, "%*sOnly User Certificates\n", indent
, "");
495 BIO_printf(out
, "%*sOnly CA Certificates\n", indent
, "");
496 if (idp
->indirectCRL
> 0)
497 BIO_printf(out
, "%*sIndirect CRL\n", indent
, "");
498 if (idp
->onlysomereasons
)
499 print_reasons(out
, "Only Some Reasons", idp
->onlysomereasons
, indent
);
500 if (idp
->onlyattr
> 0)
501 BIO_printf(out
, "%*sOnly Attribute Certificates\n", indent
, "");
502 if (!idp
->distpoint
&& (idp
->onlyuser
<= 0) && (idp
->onlyCA
<= 0)
503 && (idp
->indirectCRL
<= 0) && !idp
->onlysomereasons
504 && (idp
->onlyattr
<= 0))
505 BIO_printf(out
, "%*s<EMPTY>\n", indent
, "");
510 static int i2r_crldp(const X509V3_EXT_METHOD
*method
, void *pcrldp
, BIO
*out
,
513 STACK_OF(DIST_POINT
) *crld
= pcrldp
;
516 for (i
= 0; i
< sk_DIST_POINT_num(crld
); i
++) {
518 point
= sk_DIST_POINT_value(crld
, i
);
519 if (point
->distpoint
)
520 print_distpoint(out
, point
->distpoint
, indent
);
522 print_reasons(out
, "Reasons", point
->reasons
, indent
);
523 if (point
->CRLissuer
) {
524 BIO_printf(out
, "%*sCRL Issuer:\n", indent
, "");
525 print_gens(out
, point
->CRLissuer
, indent
);
531 int DIST_POINT_set_dpname(DIST_POINT_NAME
*dpn
, X509_NAME
*iname
)
534 STACK_OF(X509_NAME_ENTRY
) *frag
;
536 if (!dpn
|| (dpn
->type
!= 1))
538 frag
= dpn
->name
.relativename
;
539 dpn
->dpname
= X509_NAME_dup(iname
);
542 for (i
= 0; i
< sk_X509_NAME_ENTRY_num(frag
); i
++) {
543 ne
= sk_X509_NAME_ENTRY_value(frag
, i
);
544 if (!X509_NAME_add_entry(dpn
->dpname
, ne
, -1, i
? 0 : 1)) {
545 X509_NAME_free(dpn
->dpname
);
550 /* generate cached encoding of name */
551 if (i2d_X509_NAME(dpn
->dpname
, NULL
) < 0) {
552 X509_NAME_free(dpn
->dpname
);