2 * Copyright 1999-2020 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (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 "crypto/x509.h"
20 DEFINE_STACK_OF(CONF_VALUE
)
21 DEFINE_STACK_OF(GENERAL_NAME
)
22 DEFINE_STACK_OF(DIST_POINT
)
23 DEFINE_STACK_OF(X509_NAME_ENTRY
)
25 static void *v2i_crld(const X509V3_EXT_METHOD
*method
,
26 X509V3_CTX
*ctx
, STACK_OF(CONF_VALUE
) *nval
);
27 static int i2r_crldp(const X509V3_EXT_METHOD
*method
, void *pcrldp
, BIO
*out
,
30 const X509V3_EXT_METHOD v3_crld
= {
31 NID_crl_distribution_points
, 0, ASN1_ITEM_ref(CRL_DIST_POINTS
),
40 const X509V3_EXT_METHOD v3_freshest_crl
= {
41 NID_freshest_crl
, 0, ASN1_ITEM_ref(CRL_DIST_POINTS
),
50 static STACK_OF(GENERAL_NAME
) *gnames_from_sectname(X509V3_CTX
*ctx
,
53 STACK_OF(CONF_VALUE
) *gnsect
;
54 STACK_OF(GENERAL_NAME
) *gens
;
56 gnsect
= X509V3_get_section(ctx
, sect
+ 1);
58 gnsect
= X509V3_parse_list(sect
);
60 X509V3err(X509V3_F_GNAMES_FROM_SECTNAME
, X509V3_R_SECTION_NOT_FOUND
);
63 gens
= v2i_GENERAL_NAMES(NULL
, ctx
, gnsect
);
65 X509V3_section_free(ctx
, gnsect
);
67 sk_CONF_VALUE_pop_free(gnsect
, X509V3_conf_free
);
71 static int set_dist_point_name(DIST_POINT_NAME
**pdp
, X509V3_CTX
*ctx
,
74 STACK_OF(GENERAL_NAME
) *fnm
= NULL
;
75 STACK_OF(X509_NAME_ENTRY
) *rnm
= NULL
;
77 if (strncmp(cnf
->name
, "fullname", 9) == 0) {
78 fnm
= gnames_from_sectname(ctx
, cnf
->value
);
81 } else if (strcmp(cnf
->name
, "relativename") == 0) {
83 STACK_OF(CONF_VALUE
) *dnsect
;
88 dnsect
= X509V3_get_section(ctx
, cnf
->value
);
90 X509V3err(X509V3_F_SET_DIST_POINT_NAME
,
91 X509V3_R_SECTION_NOT_FOUND
);
94 ret
= X509V3_NAME_from_section(nm
, dnsect
, MBSTRING_ASC
);
95 X509V3_section_free(ctx
, dnsect
);
99 if (!ret
|| sk_X509_NAME_ENTRY_num(rnm
) <= 0)
102 * Since its a name fragment can't have more than one RDNSequence
104 if (sk_X509_NAME_ENTRY_value(rnm
,
105 sk_X509_NAME_ENTRY_num(rnm
) - 1)->set
) {
106 X509V3err(X509V3_F_SET_DIST_POINT_NAME
,
107 X509V3_R_INVALID_MULTIPLE_RDNS
);
114 X509V3err(X509V3_F_SET_DIST_POINT_NAME
,
115 X509V3_R_DISTPOINT_ALREADY_SET
);
119 *pdp
= DIST_POINT_NAME_new();
124 (*pdp
)->name
.fullname
= fnm
;
127 (*pdp
)->name
.relativename
= rnm
;
133 sk_GENERAL_NAME_pop_free(fnm
, GENERAL_NAME_free
);
134 sk_X509_NAME_ENTRY_pop_free(rnm
, X509_NAME_ENTRY_free
);
138 static const BIT_STRING_BITNAME reason_flags
[] = {
139 {0, "Unused", "unused"},
140 {1, "Key Compromise", "keyCompromise"},
141 {2, "CA Compromise", "CACompromise"},
142 {3, "Affiliation Changed", "affiliationChanged"},
143 {4, "Superseded", "superseded"},
144 {5, "Cessation Of Operation", "cessationOfOperation"},
145 {6, "Certificate Hold", "certificateHold"},
146 {7, "Privilege Withdrawn", "privilegeWithdrawn"},
147 {8, "AA Compromise", "AACompromise"},
151 static int set_reasons(ASN1_BIT_STRING
**preas
, char *value
)
153 STACK_OF(CONF_VALUE
) *rsk
= NULL
;
154 const BIT_STRING_BITNAME
*pbn
;
157 rsk
= X509V3_parse_list(value
);
162 for (i
= 0; i
< sk_CONF_VALUE_num(rsk
); i
++) {
163 bnam
= sk_CONF_VALUE_value(rsk
, i
)->name
;
164 if (*preas
== NULL
) {
165 *preas
= ASN1_BIT_STRING_new();
169 for (pbn
= reason_flags
; pbn
->lname
; pbn
++) {
170 if (strcmp(pbn
->sname
, bnam
) == 0) {
171 if (!ASN1_BIT_STRING_set_bit(*preas
, pbn
->bitnum
, 1))
176 if (pbn
->lname
== NULL
)
182 sk_CONF_VALUE_pop_free(rsk
, X509V3_conf_free
);
186 static int print_reasons(BIO
*out
, const char *rname
,
187 ASN1_BIT_STRING
*rflags
, int indent
)
190 const BIT_STRING_BITNAME
*pbn
;
191 BIO_printf(out
, "%*s%s:\n%*s", indent
, "", rname
, indent
+ 2, "");
192 for (pbn
= reason_flags
; pbn
->lname
; pbn
++) {
193 if (ASN1_BIT_STRING_get_bit(rflags
, pbn
->bitnum
)) {
198 BIO_puts(out
, pbn
->lname
);
202 BIO_puts(out
, "<EMPTY>\n");
208 static DIST_POINT
*crldp_from_section(X509V3_CTX
*ctx
,
209 STACK_OF(CONF_VALUE
) *nval
)
213 DIST_POINT
*point
= DIST_POINT_new();
217 for (i
= 0; i
< sk_CONF_VALUE_num(nval
); i
++) {
219 cnf
= sk_CONF_VALUE_value(nval
, i
);
220 ret
= set_dist_point_name(&point
->distpoint
, ctx
, cnf
);
225 if (strcmp(cnf
->name
, "reasons") == 0) {
226 if (!set_reasons(&point
->reasons
, cnf
->value
))
228 } else if (strcmp(cnf
->name
, "CRLissuer") == 0) {
229 point
->CRLissuer
= gnames_from_sectname(ctx
, cnf
->value
);
230 if (point
->CRLissuer
== NULL
)
238 DIST_POINT_free(point
);
242 static void *v2i_crld(const X509V3_EXT_METHOD
*method
,
243 X509V3_CTX
*ctx
, STACK_OF(CONF_VALUE
) *nval
)
245 STACK_OF(DIST_POINT
) *crld
;
246 GENERAL_NAMES
*gens
= NULL
;
247 GENERAL_NAME
*gen
= NULL
;
249 const int num
= sk_CONF_VALUE_num(nval
);
252 crld
= sk_DIST_POINT_new_reserve(NULL
, num
);
255 for (i
= 0; i
< num
; i
++) {
258 cnf
= sk_CONF_VALUE_value(nval
, i
);
260 STACK_OF(CONF_VALUE
) *dpsect
;
261 dpsect
= X509V3_get_section(ctx
, cnf
->name
);
264 point
= crldp_from_section(ctx
, dpsect
);
265 X509V3_section_free(ctx
, dpsect
);
268 sk_DIST_POINT_push(crld
, point
); /* no failure as it was reserved */
270 if ((gen
= v2i_GENERAL_NAME(method
, ctx
, cnf
)) == NULL
)
272 if ((gens
= GENERAL_NAMES_new()) == NULL
)
274 if (!sk_GENERAL_NAME_push(gens
, gen
))
277 if ((point
= DIST_POINT_new()) == NULL
)
279 sk_DIST_POINT_push(crld
, point
); /* no failure as it was reserved */
280 if ((point
->distpoint
= DIST_POINT_NAME_new()) == NULL
)
282 point
->distpoint
->name
.fullname
= gens
;
283 point
->distpoint
->type
= 0;
290 X509V3err(X509V3_F_V2I_CRLD
, ERR_R_MALLOC_FAILURE
);
292 GENERAL_NAME_free(gen
);
293 GENERAL_NAMES_free(gens
);
294 sk_DIST_POINT_pop_free(crld
, DIST_POINT_free
);
298 static int dpn_cb(int operation
, ASN1_VALUE
**pval
, const ASN1_ITEM
*it
,
301 DIST_POINT_NAME
*dpn
= (DIST_POINT_NAME
*)*pval
;
304 case ASN1_OP_NEW_POST
:
308 case ASN1_OP_FREE_POST
:
309 X509_NAME_free(dpn
->dpname
);
316 ASN1_CHOICE_cb(DIST_POINT_NAME
, dpn_cb
) = {
317 ASN1_IMP_SEQUENCE_OF(DIST_POINT_NAME
, name
.fullname
, GENERAL_NAME
, 0),
318 ASN1_IMP_SET_OF(DIST_POINT_NAME
, name
.relativename
, X509_NAME_ENTRY
, 1)
319 } ASN1_CHOICE_END_cb(DIST_POINT_NAME
, DIST_POINT_NAME
, type
)
322 IMPLEMENT_ASN1_FUNCTIONS(DIST_POINT_NAME
)
324 ASN1_SEQUENCE(DIST_POINT
) = {
325 ASN1_EXP_OPT(DIST_POINT
, distpoint
, DIST_POINT_NAME
, 0),
326 ASN1_IMP_OPT(DIST_POINT
, reasons
, ASN1_BIT_STRING
, 1),
327 ASN1_IMP_SEQUENCE_OF_OPT(DIST_POINT
, CRLissuer
, GENERAL_NAME
, 2)
328 } ASN1_SEQUENCE_END(DIST_POINT
)
330 IMPLEMENT_ASN1_FUNCTIONS(DIST_POINT
)
332 ASN1_ITEM_TEMPLATE(CRL_DIST_POINTS
) =
333 ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF
, 0, CRLDistributionPoints
, DIST_POINT
)
334 ASN1_ITEM_TEMPLATE_END(CRL_DIST_POINTS
)
336 IMPLEMENT_ASN1_FUNCTIONS(CRL_DIST_POINTS
)
338 ASN1_SEQUENCE(ISSUING_DIST_POINT
) = {
339 ASN1_EXP_OPT(ISSUING_DIST_POINT
, distpoint
, DIST_POINT_NAME
, 0),
340 ASN1_IMP_OPT(ISSUING_DIST_POINT
, onlyuser
, ASN1_FBOOLEAN
, 1),
341 ASN1_IMP_OPT(ISSUING_DIST_POINT
, onlyCA
, ASN1_FBOOLEAN
, 2),
342 ASN1_IMP_OPT(ISSUING_DIST_POINT
, onlysomereasons
, ASN1_BIT_STRING
, 3),
343 ASN1_IMP_OPT(ISSUING_DIST_POINT
, indirectCRL
, ASN1_FBOOLEAN
, 4),
344 ASN1_IMP_OPT(ISSUING_DIST_POINT
, onlyattr
, ASN1_FBOOLEAN
, 5)
345 } ASN1_SEQUENCE_END(ISSUING_DIST_POINT
)
347 IMPLEMENT_ASN1_FUNCTIONS(ISSUING_DIST_POINT
)
349 static int i2r_idp(const X509V3_EXT_METHOD
*method
, void *pidp
, BIO
*out
,
351 static void *v2i_idp(const X509V3_EXT_METHOD
*method
, X509V3_CTX
*ctx
,
352 STACK_OF(CONF_VALUE
) *nval
);
354 const X509V3_EXT_METHOD v3_idp
= {
355 NID_issuing_distribution_point
, X509V3_EXT_MULTILINE
,
356 ASN1_ITEM_ref(ISSUING_DIST_POINT
),
365 static void *v2i_idp(const X509V3_EXT_METHOD
*method
, X509V3_CTX
*ctx
,
366 STACK_OF(CONF_VALUE
) *nval
)
368 ISSUING_DIST_POINT
*idp
= NULL
;
372 idp
= ISSUING_DIST_POINT_new();
375 for (i
= 0; i
< sk_CONF_VALUE_num(nval
); i
++) {
376 cnf
= sk_CONF_VALUE_value(nval
, i
);
379 ret
= set_dist_point_name(&idp
->distpoint
, ctx
, cnf
);
384 if (strcmp(name
, "onlyuser") == 0) {
385 if (!X509V3_get_value_bool(cnf
, &idp
->onlyuser
))
387 } else if (strcmp(name
, "onlyCA") == 0) {
388 if (!X509V3_get_value_bool(cnf
, &idp
->onlyCA
))
390 } else if (strcmp(name
, "onlyAA") == 0) {
391 if (!X509V3_get_value_bool(cnf
, &idp
->onlyattr
))
393 } else if (strcmp(name
, "indirectCRL") == 0) {
394 if (!X509V3_get_value_bool(cnf
, &idp
->indirectCRL
))
396 } else if (strcmp(name
, "onlysomereasons") == 0) {
397 if (!set_reasons(&idp
->onlysomereasons
, val
))
400 X509V3err(X509V3_F_V2I_IDP
, X509V3_R_INVALID_NAME
);
401 X509V3_conf_err(cnf
);
408 X509V3err(X509V3_F_V2I_IDP
, ERR_R_MALLOC_FAILURE
);
410 ISSUING_DIST_POINT_free(idp
);
414 static int print_gens(BIO
*out
, STACK_OF(GENERAL_NAME
) *gens
, int indent
)
417 for (i
= 0; i
< sk_GENERAL_NAME_num(gens
); i
++) {
420 BIO_printf(out
, "%*s", indent
+ 2, "");
421 GENERAL_NAME_print(out
, sk_GENERAL_NAME_value(gens
, i
));
426 static int print_distpoint(BIO
*out
, DIST_POINT_NAME
*dpn
, int indent
)
428 if (dpn
->type
== 0) {
429 BIO_printf(out
, "%*sFull Name:\n", indent
, "");
430 print_gens(out
, dpn
->name
.fullname
, indent
);
433 ntmp
.entries
= dpn
->name
.relativename
;
434 BIO_printf(out
, "%*sRelative Name:\n%*s", indent
, "", indent
+ 2, "");
435 X509_NAME_print_ex(out
, &ntmp
, 0, XN_FLAG_ONELINE
);
441 static int i2r_idp(const X509V3_EXT_METHOD
*method
, void *pidp
, BIO
*out
,
444 ISSUING_DIST_POINT
*idp
= pidp
;
446 print_distpoint(out
, idp
->distpoint
, indent
);
447 if (idp
->onlyuser
> 0)
448 BIO_printf(out
, "%*sOnly User Certificates\n", indent
, "");
450 BIO_printf(out
, "%*sOnly CA Certificates\n", indent
, "");
451 if (idp
->indirectCRL
> 0)
452 BIO_printf(out
, "%*sIndirect CRL\n", indent
, "");
453 if (idp
->onlysomereasons
)
454 print_reasons(out
, "Only Some Reasons", idp
->onlysomereasons
, indent
);
455 if (idp
->onlyattr
> 0)
456 BIO_printf(out
, "%*sOnly Attribute Certificates\n", indent
, "");
457 if (!idp
->distpoint
&& (idp
->onlyuser
<= 0) && (idp
->onlyCA
<= 0)
458 && (idp
->indirectCRL
<= 0) && !idp
->onlysomereasons
459 && (idp
->onlyattr
<= 0))
460 BIO_printf(out
, "%*s<EMPTY>\n", indent
, "");
465 static int i2r_crldp(const X509V3_EXT_METHOD
*method
, void *pcrldp
, BIO
*out
,
468 STACK_OF(DIST_POINT
) *crld
= pcrldp
;
471 for (i
= 0; i
< sk_DIST_POINT_num(crld
); i
++) {
474 point
= sk_DIST_POINT_value(crld
, i
);
475 if (point
->distpoint
)
476 print_distpoint(out
, point
->distpoint
, indent
);
478 print_reasons(out
, "Reasons", point
->reasons
, indent
);
479 if (point
->CRLissuer
) {
480 BIO_printf(out
, "%*sCRL Issuer:\n", indent
, "");
481 print_gens(out
, point
->CRLissuer
, indent
);
487 int DIST_POINT_set_dpname(DIST_POINT_NAME
*dpn
, const X509_NAME
*iname
)
490 STACK_OF(X509_NAME_ENTRY
) *frag
;
492 if (!dpn
|| (dpn
->type
!= 1))
494 frag
= dpn
->name
.relativename
;
495 dpn
->dpname
= X509_NAME_dup(iname
);
498 for (i
= 0; i
< sk_X509_NAME_ENTRY_num(frag
); i
++) {
499 ne
= sk_X509_NAME_ENTRY_value(frag
, i
);
500 if (!X509_NAME_add_entry(dpn
->dpname
, ne
, -1, i
? 0 : 1)) {
501 X509_NAME_free(dpn
->dpname
);
506 /* generate cached encoding of name */
507 if (i2d_X509_NAME(dpn
->dpname
, NULL
) < 0) {
508 X509_NAME_free(dpn
->dpname
);