/*
- * Copyright 2003-2021 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2003-2023 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
static int print_nc_ipadd(BIO *bp, ASN1_OCTET_STRING *ip);
static int nc_match(GENERAL_NAME *gen, NAME_CONSTRAINTS *nc);
-static int nc_match_single(GENERAL_NAME *sub, GENERAL_NAME *gen);
+static int nc_match_single(int effective_type, GENERAL_NAME *sub,
+ GENERAL_NAME *gen);
static int nc_dn(const X509_NAME *sub, const X509_NAME *nm);
static int nc_dns(ASN1_IA5STRING *sub, ASN1_IA5STRING *dns);
static int nc_email(ASN1_IA5STRING *sub, ASN1_IA5STRING *eml);
{
GENERAL_SUBTREE *sub;
int i, r, match = 0;
+ int effective_type = gen->type;
+
/*
* We need to compare not gen->type field but an "effective" type because
* the otherName field may contain EAI email address treated specially
* according to RFC 8398, section 6
*/
- int effective_type = ((gen->type == GEN_OTHERNAME) &&
- (OBJ_obj2nid(gen->d.otherName->type_id) ==
- NID_id_on_SmtpUTF8Mailbox)) ? GEN_EMAIL : gen->type;
+ if (effective_type == GEN_OTHERNAME &&
+ (OBJ_obj2nid(gen->d.otherName->type_id) == NID_id_on_SmtpUTF8Mailbox)) {
+ effective_type = GEN_EMAIL;
+ }
/*
* Permitted subtrees: if any subtrees exist of matching the type at
for (i = 0; i < sk_GENERAL_SUBTREE_num(nc->permittedSubtrees); i++) {
sub = sk_GENERAL_SUBTREE_value(nc->permittedSubtrees, i);
- if (effective_type != sub->base->type)
+ if (effective_type != sub->base->type
+ || (effective_type == GEN_OTHERNAME &&
+ OBJ_cmp(gen->d.otherName->type_id,
+ sub->base->d.otherName->type_id) != 0))
continue;
if (!nc_minmax_valid(sub))
return X509_V_ERR_SUBTREE_MINMAX;
continue;
if (match == 0)
match = 1;
- r = nc_match_single(gen, sub->base);
+ r = nc_match_single(effective_type, gen, sub->base);
if (r == X509_V_OK)
match = 2;
else if (r != X509_V_ERR_PERMITTED_VIOLATION)
for (i = 0; i < sk_GENERAL_SUBTREE_num(nc->excludedSubtrees); i++) {
sub = sk_GENERAL_SUBTREE_value(nc->excludedSubtrees, i);
- if (effective_type != sub->base->type)
+ if (effective_type != sub->base->type
+ || (effective_type == GEN_OTHERNAME &&
+ OBJ_cmp(gen->d.otherName->type_id,
+ sub->base->d.otherName->type_id) != 0))
continue;
if (!nc_minmax_valid(sub))
return X509_V_ERR_SUBTREE_MINMAX;
- r = nc_match_single(gen, sub->base);
+ r = nc_match_single(effective_type, gen, sub->base);
if (r == X509_V_OK)
return X509_V_ERR_EXCLUDED_VIOLATION;
else if (r != X509_V_ERR_PERMITTED_VIOLATION)
}
-static int nc_match_single(GENERAL_NAME *gen, GENERAL_NAME *base)
+static int nc_match_single(int effective_type, GENERAL_NAME *gen,
+ GENERAL_NAME *base)
{
switch (gen->type) {
case GEN_OTHERNAME:
- /*
- * We are here only when we have SmtpUTF8 name,
- * so we match the value of othername with base->d.rfc822Name
- */
- return nc_email_eai(gen->d.otherName->value, base->d.rfc822Name);
+ switch (effective_type) {
+ case GEN_EMAIL:
+ /*
+ * We are here only when we have SmtpUTF8 name,
+ * so we match the value of othername with base->d.rfc822Name
+ */
+ return nc_email_eai(gen->d.otherName->value, base->d.rfc822Name);
+
+ default:
+ return X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE;
+ }
case GEN_DIRNAME:
return nc_dn(gen->d.directoryName, base->d.directoryName);