2 * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
11 #include "internal/cryptlib.h"
12 #include <openssl/conf.h>
13 #include <openssl/asn1.h>
14 #include <openssl/asn1t.h>
15 #include <openssl/x509v3.h>
17 #include "internal/x509_int.h"
20 static void *v2i_crld(const X509V3_EXT_METHOD
*method
,
21 X509V3_CTX
*ctx
, STACK_OF(CONF_VALUE
) *nval
);
22 static int i2r_crldp(const X509V3_EXT_METHOD
*method
, void *pcrldp
, BIO
*out
,
25 const X509V3_EXT_METHOD v3_crld
= {
26 NID_crl_distribution_points
, 0, ASN1_ITEM_ref(CRL_DIST_POINTS
),
35 const X509V3_EXT_METHOD v3_freshest_crl
= {
36 NID_freshest_crl
, 0, ASN1_ITEM_ref(CRL_DIST_POINTS
),
45 static STACK_OF(GENERAL_NAME
) *gnames_from_sectname(X509V3_CTX
*ctx
,
48 STACK_OF(CONF_VALUE
) *gnsect
;
49 STACK_OF(GENERAL_NAME
) *gens
;
51 gnsect
= X509V3_get_section(ctx
, sect
+ 1);
53 gnsect
= X509V3_parse_list(sect
);
55 X509V3err(X509V3_F_GNAMES_FROM_SECTNAME
, X509V3_R_SECTION_NOT_FOUND
);
58 gens
= v2i_GENERAL_NAMES(NULL
, ctx
, gnsect
);
60 X509V3_section_free(ctx
, gnsect
);
62 sk_CONF_VALUE_pop_free(gnsect
, X509V3_conf_free
);
66 static int set_dist_point_name(DIST_POINT_NAME
**pdp
, X509V3_CTX
*ctx
,
69 STACK_OF(GENERAL_NAME
) *fnm
= NULL
;
70 STACK_OF(X509_NAME_ENTRY
) *rnm
= NULL
;
72 if (strncmp(cnf
->name
, "fullname", 9) == 0) {
73 fnm
= gnames_from_sectname(ctx
, cnf
->value
);
76 } else if (strcmp(cnf
->name
, "relativename") == 0) {
78 STACK_OF(CONF_VALUE
) *dnsect
;
83 dnsect
= X509V3_get_section(ctx
, cnf
->value
);
85 X509V3err(X509V3_F_SET_DIST_POINT_NAME
,
86 X509V3_R_SECTION_NOT_FOUND
);
89 ret
= X509V3_NAME_from_section(nm
, dnsect
, MBSTRING_ASC
);
90 X509V3_section_free(ctx
, dnsect
);
94 if (!ret
|| sk_X509_NAME_ENTRY_num(rnm
) <= 0)
97 * Since its a name fragment can't have more than one RDNSequence
99 if (sk_X509_NAME_ENTRY_value(rnm
,
100 sk_X509_NAME_ENTRY_num(rnm
) - 1)->set
) {
101 X509V3err(X509V3_F_SET_DIST_POINT_NAME
,
102 X509V3_R_INVALID_MULTIPLE_RDNS
);
109 X509V3err(X509V3_F_SET_DIST_POINT_NAME
,
110 X509V3_R_DISTPOINT_ALREADY_SET
);
114 *pdp
= DIST_POINT_NAME_new();
119 (*pdp
)->name
.fullname
= fnm
;
122 (*pdp
)->name
.relativename
= rnm
;
128 sk_GENERAL_NAME_pop_free(fnm
, GENERAL_NAME_free
);
129 sk_X509_NAME_ENTRY_pop_free(rnm
, X509_NAME_ENTRY_free
);
133 static const BIT_STRING_BITNAME reason_flags
[] = {
134 {0, "Unused", "unused"},
135 {1, "Key Compromise", "keyCompromise"},
136 {2, "CA Compromise", "CACompromise"},
137 {3, "Affiliation Changed", "affiliationChanged"},
138 {4, "Superseded", "superseded"},
139 {5, "Cessation Of Operation", "cessationOfOperation"},
140 {6, "Certificate Hold", "certificateHold"},
141 {7, "Privilege Withdrawn", "privilegeWithdrawn"},
142 {8, "AA Compromise", "AACompromise"},
146 static int set_reasons(ASN1_BIT_STRING
**preas
, char *value
)
148 STACK_OF(CONF_VALUE
) *rsk
= NULL
;
149 const BIT_STRING_BITNAME
*pbn
;
152 rsk
= X509V3_parse_list(value
);
157 for (i
= 0; i
< sk_CONF_VALUE_num(rsk
); i
++) {
158 bnam
= sk_CONF_VALUE_value(rsk
, i
)->name
;
159 if (*preas
== NULL
) {
160 *preas
= ASN1_BIT_STRING_new();
164 for (pbn
= reason_flags
; pbn
->lname
; pbn
++) {
165 if (strcmp(pbn
->sname
, bnam
) == 0) {
166 if (!ASN1_BIT_STRING_set_bit(*preas
, pbn
->bitnum
, 1))
177 sk_CONF_VALUE_pop_free(rsk
, X509V3_conf_free
);
181 static int print_reasons(BIO
*out
, const char *rname
,
182 ASN1_BIT_STRING
*rflags
, int indent
)
185 const BIT_STRING_BITNAME
*pbn
;
186 BIO_printf(out
, "%*s%s:\n%*s", indent
, "", rname
, indent
+ 2, "");
187 for (pbn
= reason_flags
; pbn
->lname
; pbn
++) {
188 if (ASN1_BIT_STRING_get_bit(rflags
, pbn
->bitnum
)) {
193 BIO_puts(out
, pbn
->lname
);
197 BIO_puts(out
, "<EMPTY>\n");
203 static DIST_POINT
*crldp_from_section(X509V3_CTX
*ctx
,
204 STACK_OF(CONF_VALUE
) *nval
)
208 DIST_POINT
*point
= NULL
;
209 point
= DIST_POINT_new();
212 for (i
= 0; i
< sk_CONF_VALUE_num(nval
); i
++) {
214 cnf
= sk_CONF_VALUE_value(nval
, i
);
215 ret
= set_dist_point_name(&point
->distpoint
, ctx
, cnf
);
220 if (strcmp(cnf
->name
, "reasons") == 0) {
221 if (!set_reasons(&point
->reasons
, cnf
->value
))
223 } else if (strcmp(cnf
->name
, "CRLissuer") == 0) {
224 point
->CRLissuer
= gnames_from_sectname(ctx
, cnf
->value
);
225 if (!point
->CRLissuer
)
233 DIST_POINT_free(point
);
237 static void *v2i_crld(const X509V3_EXT_METHOD
*method
,
238 X509V3_CTX
*ctx
, STACK_OF(CONF_VALUE
) *nval
)
240 STACK_OF(DIST_POINT
) *crld
= NULL
;
241 GENERAL_NAMES
*gens
= NULL
;
242 GENERAL_NAME
*gen
= NULL
;
246 if ((crld
= sk_DIST_POINT_new_null()) == NULL
)
248 for (i
= 0; i
< sk_CONF_VALUE_num(nval
); i
++) {
250 cnf
= sk_CONF_VALUE_value(nval
, i
);
252 STACK_OF(CONF_VALUE
) *dpsect
;
253 dpsect
= X509V3_get_section(ctx
, cnf
->name
);
256 point
= crldp_from_section(ctx
, dpsect
);
257 X509V3_section_free(ctx
, dpsect
);
260 if (!sk_DIST_POINT_push(crld
, point
)) {
261 DIST_POINT_free(point
);
265 if ((gen
= v2i_GENERAL_NAME(method
, ctx
, cnf
)) == NULL
)
267 if ((gens
= GENERAL_NAMES_new()) == NULL
)
269 if (!sk_GENERAL_NAME_push(gens
, gen
))
272 if ((point
= DIST_POINT_new()) == NULL
)
274 if (!sk_DIST_POINT_push(crld
, point
)) {
275 DIST_POINT_free(point
);
278 if ((point
->distpoint
= DIST_POINT_NAME_new()) == NULL
)
280 point
->distpoint
->name
.fullname
= gens
;
281 point
->distpoint
->type
= 0;
288 X509V3err(X509V3_F_V2I_CRLD
, ERR_R_MALLOC_FAILURE
);
290 GENERAL_NAME_free(gen
);
291 GENERAL_NAMES_free(gens
);
292 sk_DIST_POINT_pop_free(crld
, DIST_POINT_free
);
296 static int dpn_cb(int operation
, ASN1_VALUE
**pval
, const ASN1_ITEM
*it
,
299 DIST_POINT_NAME
*dpn
= (DIST_POINT_NAME
*)*pval
;
302 case ASN1_OP_NEW_POST
:
306 case ASN1_OP_FREE_POST
:
307 X509_NAME_free(dpn
->dpname
);
314 ASN1_CHOICE_cb(DIST_POINT_NAME
, dpn_cb
) = {
315 ASN1_IMP_SEQUENCE_OF(DIST_POINT_NAME
, name
.fullname
, GENERAL_NAME
, 0),
316 ASN1_IMP_SET_OF(DIST_POINT_NAME
, name
.relativename
, X509_NAME_ENTRY
, 1)
317 } ASN1_CHOICE_END_cb(DIST_POINT_NAME
, DIST_POINT_NAME
, type
)
320 IMPLEMENT_ASN1_FUNCTIONS(DIST_POINT_NAME
)
322 ASN1_SEQUENCE(DIST_POINT
) = {
323 ASN1_EXP_OPT(DIST_POINT
, distpoint
, DIST_POINT_NAME
, 0),
324 ASN1_IMP_OPT(DIST_POINT
, reasons
, ASN1_BIT_STRING
, 1),
325 ASN1_IMP_SEQUENCE_OF_OPT(DIST_POINT
, CRLissuer
, GENERAL_NAME
, 2)
326 } ASN1_SEQUENCE_END(DIST_POINT
)
328 IMPLEMENT_ASN1_FUNCTIONS(DIST_POINT
)
330 ASN1_ITEM_TEMPLATE(CRL_DIST_POINTS
) =
331 ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF
, 0, CRLDistributionPoints
, DIST_POINT
)
332 ASN1_ITEM_TEMPLATE_END(CRL_DIST_POINTS
)
334 IMPLEMENT_ASN1_FUNCTIONS(CRL_DIST_POINTS
)
336 ASN1_SEQUENCE(ISSUING_DIST_POINT
) = {
337 ASN1_EXP_OPT(ISSUING_DIST_POINT
, distpoint
, DIST_POINT_NAME
, 0),
338 ASN1_IMP_OPT(ISSUING_DIST_POINT
, onlyuser
, ASN1_FBOOLEAN
, 1),
339 ASN1_IMP_OPT(ISSUING_DIST_POINT
, onlyCA
, ASN1_FBOOLEAN
, 2),
340 ASN1_IMP_OPT(ISSUING_DIST_POINT
, onlysomereasons
, ASN1_BIT_STRING
, 3),
341 ASN1_IMP_OPT(ISSUING_DIST_POINT
, indirectCRL
, ASN1_FBOOLEAN
, 4),
342 ASN1_IMP_OPT(ISSUING_DIST_POINT
, onlyattr
, ASN1_FBOOLEAN
, 5)
343 } ASN1_SEQUENCE_END(ISSUING_DIST_POINT
)
345 IMPLEMENT_ASN1_FUNCTIONS(ISSUING_DIST_POINT
)
347 static int i2r_idp(const X509V3_EXT_METHOD
*method
, void *pidp
, BIO
*out
,
349 static void *v2i_idp(const X509V3_EXT_METHOD
*method
, X509V3_CTX
*ctx
,
350 STACK_OF(CONF_VALUE
) *nval
);
352 const X509V3_EXT_METHOD v3_idp
= {
353 NID_issuing_distribution_point
, X509V3_EXT_MULTILINE
,
354 ASN1_ITEM_ref(ISSUING_DIST_POINT
),
363 static void *v2i_idp(const X509V3_EXT_METHOD
*method
, X509V3_CTX
*ctx
,
364 STACK_OF(CONF_VALUE
) *nval
)
366 ISSUING_DIST_POINT
*idp
= NULL
;
370 idp
= ISSUING_DIST_POINT_new();
373 for (i
= 0; i
< sk_CONF_VALUE_num(nval
); i
++) {
374 cnf
= sk_CONF_VALUE_value(nval
, i
);
377 ret
= set_dist_point_name(&idp
->distpoint
, ctx
, cnf
);
382 if (strcmp(name
, "onlyuser") == 0) {
383 if (!X509V3_get_value_bool(cnf
, &idp
->onlyuser
))
385 } else if (strcmp(name
, "onlyCA") == 0) {
386 if (!X509V3_get_value_bool(cnf
, &idp
->onlyCA
))
388 } else if (strcmp(name
, "onlyAA") == 0) {
389 if (!X509V3_get_value_bool(cnf
, &idp
->onlyattr
))
391 } else if (strcmp(name
, "indirectCRL") == 0) {
392 if (!X509V3_get_value_bool(cnf
, &idp
->indirectCRL
))
394 } else if (strcmp(name
, "onlysomereasons") == 0) {
395 if (!set_reasons(&idp
->onlysomereasons
, val
))
398 X509V3err(X509V3_F_V2I_IDP
, X509V3_R_INVALID_NAME
);
399 X509V3_conf_err(cnf
);
406 X509V3err(X509V3_F_V2I_IDP
, ERR_R_MALLOC_FAILURE
);
408 ISSUING_DIST_POINT_free(idp
);
412 static int print_gens(BIO
*out
, STACK_OF(GENERAL_NAME
) *gens
, int indent
)
415 for (i
= 0; i
< sk_GENERAL_NAME_num(gens
); i
++) {
416 BIO_printf(out
, "%*s", indent
+ 2, "");
417 GENERAL_NAME_print(out
, sk_GENERAL_NAME_value(gens
, i
));
423 static int print_distpoint(BIO
*out
, DIST_POINT_NAME
*dpn
, int indent
)
425 if (dpn
->type
== 0) {
426 BIO_printf(out
, "%*sFull Name:\n", indent
, "");
427 print_gens(out
, dpn
->name
.fullname
, indent
);
430 ntmp
.entries
= dpn
->name
.relativename
;
431 BIO_printf(out
, "%*sRelative Name:\n%*s", indent
, "", indent
+ 2, "");
432 X509_NAME_print_ex(out
, &ntmp
, 0, XN_FLAG_ONELINE
);
438 static int i2r_idp(const X509V3_EXT_METHOD
*method
, void *pidp
, BIO
*out
,
441 ISSUING_DIST_POINT
*idp
= pidp
;
443 print_distpoint(out
, idp
->distpoint
, indent
);
444 if (idp
->onlyuser
> 0)
445 BIO_printf(out
, "%*sOnly User Certificates\n", indent
, "");
447 BIO_printf(out
, "%*sOnly CA Certificates\n", indent
, "");
448 if (idp
->indirectCRL
> 0)
449 BIO_printf(out
, "%*sIndirect CRL\n", indent
, "");
450 if (idp
->onlysomereasons
)
451 print_reasons(out
, "Only Some Reasons", idp
->onlysomereasons
, indent
);
452 if (idp
->onlyattr
> 0)
453 BIO_printf(out
, "%*sOnly Attribute Certificates\n", indent
, "");
454 if (!idp
->distpoint
&& (idp
->onlyuser
<= 0) && (idp
->onlyCA
<= 0)
455 && (idp
->indirectCRL
<= 0) && !idp
->onlysomereasons
456 && (idp
->onlyattr
<= 0))
457 BIO_printf(out
, "%*s<EMPTY>\n", indent
, "");
462 static int i2r_crldp(const X509V3_EXT_METHOD
*method
, void *pcrldp
, BIO
*out
,
465 STACK_OF(DIST_POINT
) *crld
= pcrldp
;
468 for (i
= 0; i
< sk_DIST_POINT_num(crld
); i
++) {
470 point
= sk_DIST_POINT_value(crld
, i
);
471 if (point
->distpoint
)
472 print_distpoint(out
, point
->distpoint
, indent
);
474 print_reasons(out
, "Reasons", point
->reasons
, indent
);
475 if (point
->CRLissuer
) {
476 BIO_printf(out
, "%*sCRL Issuer:\n", indent
, "");
477 print_gens(out
, point
->CRLissuer
, indent
);
483 int DIST_POINT_set_dpname(DIST_POINT_NAME
*dpn
, X509_NAME
*iname
)
486 STACK_OF(X509_NAME_ENTRY
) *frag
;
488 if (!dpn
|| (dpn
->type
!= 1))
490 frag
= dpn
->name
.relativename
;
491 dpn
->dpname
= X509_NAME_dup(iname
);
494 for (i
= 0; i
< sk_X509_NAME_ENTRY_num(frag
); i
++) {
495 ne
= sk_X509_NAME_ENTRY_value(frag
, i
);
496 if (!X509_NAME_add_entry(dpn
->dpname
, ne
, -1, i
? 0 : 1)) {
497 X509_NAME_free(dpn
->dpname
);
502 /* generate cached encoding of name */
503 if (i2d_X509_NAME(dpn
->dpname
, NULL
) < 0) {
504 X509_NAME_free(dpn
->dpname
);