2 * Copyright 1999-2016 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 "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 = 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;
241 GENERAL_NAMES *gens = NULL;
242 GENERAL_NAME *gen = NULL;
244 const int num = sk_CONF_VALUE_num(nval);
247 crld = sk_DIST_POINT_new_reserve(NULL, num);
250 for (i = 0; i < num; i++) {
253 cnf = sk_CONF_VALUE_value(nval, i);
255 STACK_OF(CONF_VALUE) *dpsect;
256 dpsect = X509V3_get_section(ctx, cnf->name);
259 point = crldp_from_section(ctx, dpsect);
260 X509V3_section_free(ctx, dpsect);
263 sk_DIST_POINT_push(crld, point); /* no failure as it was reserved */
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 sk_DIST_POINT_push(crld, point); /* no failure as it was reserved */
275 if ((point->distpoint = DIST_POINT_NAME_new()) == NULL)
277 point->distpoint->name.fullname = gens;
278 point->distpoint->type = 0;
285 X509V3err(X509V3_F_V2I_CRLD, ERR_R_MALLOC_FAILURE);
287 GENERAL_NAME_free(gen);
288 GENERAL_NAMES_free(gens);
289 sk_DIST_POINT_pop_free(crld, DIST_POINT_free);
293 static int dpn_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
296 DIST_POINT_NAME *dpn = (DIST_POINT_NAME *)*pval;
299 case ASN1_OP_NEW_POST:
303 case ASN1_OP_FREE_POST:
304 X509_NAME_free(dpn->dpname);
311 ASN1_CHOICE_cb(DIST_POINT_NAME, dpn_cb) = {
312 ASN1_IMP_SEQUENCE_OF(DIST_POINT_NAME, name.fullname, GENERAL_NAME, 0),
313 ASN1_IMP_SET_OF(DIST_POINT_NAME, name.relativename, X509_NAME_ENTRY, 1)
314 } ASN1_CHOICE_END_cb(DIST_POINT_NAME, DIST_POINT_NAME, type)
317 IMPLEMENT_ASN1_FUNCTIONS(DIST_POINT_NAME)
319 ASN1_SEQUENCE(DIST_POINT) = {
320 ASN1_EXP_OPT(DIST_POINT, distpoint, DIST_POINT_NAME, 0),
321 ASN1_IMP_OPT(DIST_POINT, reasons, ASN1_BIT_STRING, 1),
322 ASN1_IMP_SEQUENCE_OF_OPT(DIST_POINT, CRLissuer, GENERAL_NAME, 2)
323 } ASN1_SEQUENCE_END(DIST_POINT)
325 IMPLEMENT_ASN1_FUNCTIONS(DIST_POINT)
327 ASN1_ITEM_TEMPLATE(CRL_DIST_POINTS) =
328 ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, CRLDistributionPoints, DIST_POINT)
329 ASN1_ITEM_TEMPLATE_END(CRL_DIST_POINTS)
331 IMPLEMENT_ASN1_FUNCTIONS(CRL_DIST_POINTS)
333 ASN1_SEQUENCE(ISSUING_DIST_POINT) = {
334 ASN1_EXP_OPT(ISSUING_DIST_POINT, distpoint, DIST_POINT_NAME, 0),
335 ASN1_IMP_OPT(ISSUING_DIST_POINT, onlyuser, ASN1_FBOOLEAN, 1),
336 ASN1_IMP_OPT(ISSUING_DIST_POINT, onlyCA, ASN1_FBOOLEAN, 2),
337 ASN1_IMP_OPT(ISSUING_DIST_POINT, onlysomereasons, ASN1_BIT_STRING, 3),
338 ASN1_IMP_OPT(ISSUING_DIST_POINT, indirectCRL, ASN1_FBOOLEAN, 4),
339 ASN1_IMP_OPT(ISSUING_DIST_POINT, onlyattr, ASN1_FBOOLEAN, 5)
340 } ASN1_SEQUENCE_END(ISSUING_DIST_POINT)
342 IMPLEMENT_ASN1_FUNCTIONS(ISSUING_DIST_POINT)
344 static int i2r_idp(const X509V3_EXT_METHOD *method, void *pidp, BIO *out,
346 static void *v2i_idp(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
347 STACK_OF(CONF_VALUE) *nval);
349 const X509V3_EXT_METHOD v3_idp = {
350 NID_issuing_distribution_point, X509V3_EXT_MULTILINE,
351 ASN1_ITEM_ref(ISSUING_DIST_POINT),
360 static void *v2i_idp(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
361 STACK_OF(CONF_VALUE) *nval)
363 ISSUING_DIST_POINT *idp = NULL;
367 idp = ISSUING_DIST_POINT_new();
370 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
371 cnf = sk_CONF_VALUE_value(nval, i);
374 ret = set_dist_point_name(&idp->distpoint, ctx, cnf);
379 if (strcmp(name, "onlyuser") == 0) {
380 if (!X509V3_get_value_bool(cnf, &idp->onlyuser))
382 } else if (strcmp(name, "onlyCA") == 0) {
383 if (!X509V3_get_value_bool(cnf, &idp->onlyCA))
385 } else if (strcmp(name, "onlyAA") == 0) {
386 if (!X509V3_get_value_bool(cnf, &idp->onlyattr))
388 } else if (strcmp(name, "indirectCRL") == 0) {
389 if (!X509V3_get_value_bool(cnf, &idp->indirectCRL))
391 } else if (strcmp(name, "onlysomereasons") == 0) {
392 if (!set_reasons(&idp->onlysomereasons, val))
395 X509V3err(X509V3_F_V2I_IDP, X509V3_R_INVALID_NAME);
396 X509V3_conf_err(cnf);
403 X509V3err(X509V3_F_V2I_IDP, ERR_R_MALLOC_FAILURE);
405 ISSUING_DIST_POINT_free(idp);
409 static int print_gens(BIO *out, STACK_OF(GENERAL_NAME) *gens, int indent)
412 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
415 BIO_printf(out, "%*s", indent + 2, "");
416 GENERAL_NAME_print(out, sk_GENERAL_NAME_value(gens, i));
421 static int print_distpoint(BIO *out, DIST_POINT_NAME *dpn, int indent)
423 if (dpn->type == 0) {
424 BIO_printf(out, "%*sFull Name:\n", indent, "");
425 print_gens(out, dpn->name.fullname, indent);
428 ntmp.entries = dpn->name.relativename;
429 BIO_printf(out, "%*sRelative Name:\n%*s", indent, "", indent + 2, "");
430 X509_NAME_print_ex(out, &ntmp, 0, XN_FLAG_ONELINE);
436 static int i2r_idp(const X509V3_EXT_METHOD *method, void *pidp, BIO *out,
439 ISSUING_DIST_POINT *idp = pidp;
441 print_distpoint(out, idp->distpoint, indent);
442 if (idp->onlyuser > 0)
443 BIO_printf(out, "%*sOnly User Certificates\n", indent, "");
445 BIO_printf(out, "%*sOnly CA Certificates\n", indent, "");
446 if (idp->indirectCRL > 0)
447 BIO_printf(out, "%*sIndirect CRL\n", indent, "");
448 if (idp->onlysomereasons)
449 print_reasons(out, "Only Some Reasons", idp->onlysomereasons, indent);
450 if (idp->onlyattr > 0)
451 BIO_printf(out, "%*sOnly Attribute Certificates\n", indent, "");
452 if (!idp->distpoint && (idp->onlyuser <= 0) && (idp->onlyCA <= 0)
453 && (idp->indirectCRL <= 0) && !idp->onlysomereasons
454 && (idp->onlyattr <= 0))
455 BIO_printf(out, "%*s<EMPTY>\n", indent, "");
460 static int i2r_crldp(const X509V3_EXT_METHOD *method, void *pcrldp, BIO *out,
463 STACK_OF(DIST_POINT) *crld = pcrldp;
466 for (i = 0; i < sk_DIST_POINT_num(crld); i++) {
469 point = sk_DIST_POINT_value(crld, i);
470 if (point->distpoint)
471 print_distpoint(out, point->distpoint, indent);
473 print_reasons(out, "Reasons", point->reasons, indent);
474 if (point->CRLissuer) {
475 BIO_printf(out, "%*sCRL Issuer:\n", indent, "");
476 print_gens(out, point->CRLissuer, indent);
482 int DIST_POINT_set_dpname(DIST_POINT_NAME *dpn, X509_NAME *iname)
485 STACK_OF(X509_NAME_ENTRY) *frag;
487 if (!dpn || (dpn->type != 1))
489 frag = dpn->name.relativename;
490 dpn->dpname = X509_NAME_dup(iname);
493 for (i = 0; i < sk_X509_NAME_ENTRY_num(frag); i++) {
494 ne = sk_X509_NAME_ENTRY_value(frag, i);
495 if (!X509_NAME_add_entry(dpn->dpname, ne, -1, i ? 0 : 1)) {
496 X509_NAME_free(dpn->dpname);
501 /* generate cached encoding of name */
502 if (i2d_X509_NAME(dpn->dpname, NULL) < 0) {
503 X509_NAME_free(dpn->dpname);