early-access version 1255
This commit is contained in:
pineappleEA
554
externals/libressl/crypto/x509/x509_ncons.c
vendored
Executable file
554
externals/libressl/crypto/x509/x509_ncons.c
vendored
Executable file
@@ -0,0 +1,554 @@
|
||||
/* $OpenBSD: x509_ncons.c,v 1.4 2020/09/16 18:12:06 beck Exp $ */
|
||||
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
|
||||
* project.
|
||||
*/
|
||||
/* ====================================================================
|
||||
* Copyright (c) 2003 The OpenSSL Project. All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
*
|
||||
* 3. All advertising materials mentioning features or use of this
|
||||
* software must display the following acknowledgment:
|
||||
* "This product includes software developed by the OpenSSL Project
|
||||
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
|
||||
*
|
||||
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
|
||||
* endorse or promote products derived from this software without
|
||||
* prior written permission. For written permission, please contact
|
||||
* licensing@OpenSSL.org.
|
||||
*
|
||||
* 5. Products derived from this software may not be called "OpenSSL"
|
||||
* nor may "OpenSSL" appear in their names without prior written
|
||||
* permission of the OpenSSL Project.
|
||||
*
|
||||
* 6. Redistributions of any form whatsoever must retain the following
|
||||
* acknowledgment:
|
||||
* "This product includes software developed by the OpenSSL Project
|
||||
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
|
||||
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
|
||||
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||||
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
||||
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
||||
* OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
* ====================================================================
|
||||
*
|
||||
* This product includes cryptographic software written by Eric Young
|
||||
* (eay@cryptsoft.com). This product includes software written by Tim
|
||||
* Hudson (tjh@cryptsoft.com).
|
||||
*
|
||||
*/
|
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|
||||
#include <stdio.h>
|
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#include <string.h>
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||||
|
||||
#include <openssl/asn1t.h>
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#include <openssl/conf.h>
|
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#include <openssl/err.h>
|
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#include <openssl/x509v3.h>
|
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|
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static void *v2i_NAME_CONSTRAINTS(const X509V3_EXT_METHOD *method,
|
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X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
|
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static int i2r_NAME_CONSTRAINTS(const X509V3_EXT_METHOD *method,
|
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void *a, BIO *bp, int ind);
|
||||
static int do_i2r_name_constraints(const X509V3_EXT_METHOD *method,
|
||||
STACK_OF(GENERAL_SUBTREE) *trees, BIO *bp, int ind, char *name);
|
||||
static int print_nc_ipadd(BIO *bp, ASN1_OCTET_STRING *ip);
|
||||
|
||||
static int nc_match(GENERAL_NAME *gen, NAME_CONSTRAINTS *nc);
|
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static int nc_match_single(GENERAL_NAME *sub, GENERAL_NAME *gen);
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static int nc_dn(X509_NAME *sub, X509_NAME *nm);
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static int nc_dns(ASN1_IA5STRING *sub, ASN1_IA5STRING *dns);
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static int nc_email(ASN1_IA5STRING *sub, ASN1_IA5STRING *eml);
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static int nc_uri(ASN1_IA5STRING *uri, ASN1_IA5STRING *base);
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const X509V3_EXT_METHOD v3_name_constraints = {
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.ext_nid = NID_name_constraints,
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.ext_flags = 0,
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.it = &NAME_CONSTRAINTS_it,
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.ext_new = NULL,
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.ext_free = NULL,
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.d2i = NULL,
|
||||
.i2d = NULL,
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||||
.i2s = NULL,
|
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.s2i = NULL,
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.i2v = NULL,
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.v2i = v2i_NAME_CONSTRAINTS,
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.i2r = i2r_NAME_CONSTRAINTS,
|
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.r2i = NULL,
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.usr_data = NULL,
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};
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|
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static const ASN1_TEMPLATE GENERAL_SUBTREE_seq_tt[] = {
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||||
{
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.flags = 0,
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.tag = 0,
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.offset = offsetof(GENERAL_SUBTREE, base),
|
||||
.field_name = "base",
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||||
.item = &GENERAL_NAME_it,
|
||||
},
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||||
{
|
||||
.flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_OPTIONAL,
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||||
.tag = 0,
|
||||
.offset = offsetof(GENERAL_SUBTREE, minimum),
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||||
.field_name = "minimum",
|
||||
.item = &ASN1_INTEGER_it,
|
||||
},
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||||
{
|
||||
.flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_OPTIONAL,
|
||||
.tag = 1,
|
||||
.offset = offsetof(GENERAL_SUBTREE, maximum),
|
||||
.field_name = "maximum",
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.item = &ASN1_INTEGER_it,
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},
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};
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const ASN1_ITEM GENERAL_SUBTREE_it = {
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.itype = ASN1_ITYPE_SEQUENCE,
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.utype = V_ASN1_SEQUENCE,
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.templates = GENERAL_SUBTREE_seq_tt,
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.tcount = sizeof(GENERAL_SUBTREE_seq_tt) / sizeof(ASN1_TEMPLATE),
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.funcs = NULL,
|
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.size = sizeof(GENERAL_SUBTREE),
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.sname = "GENERAL_SUBTREE",
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};
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static const ASN1_TEMPLATE NAME_CONSTRAINTS_seq_tt[] = {
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{
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.flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_OPTIONAL,
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.tag = 0,
|
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.offset = offsetof(NAME_CONSTRAINTS, permittedSubtrees),
|
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.field_name = "permittedSubtrees",
|
||||
.item = &GENERAL_SUBTREE_it,
|
||||
},
|
||||
{
|
||||
.flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_OPTIONAL,
|
||||
.tag = 1,
|
||||
.offset = offsetof(NAME_CONSTRAINTS, excludedSubtrees),
|
||||
.field_name = "excludedSubtrees",
|
||||
.item = &GENERAL_SUBTREE_it,
|
||||
},
|
||||
};
|
||||
|
||||
const ASN1_ITEM NAME_CONSTRAINTS_it = {
|
||||
.itype = ASN1_ITYPE_SEQUENCE,
|
||||
.utype = V_ASN1_SEQUENCE,
|
||||
.templates = NAME_CONSTRAINTS_seq_tt,
|
||||
.tcount = sizeof(NAME_CONSTRAINTS_seq_tt) / sizeof(ASN1_TEMPLATE),
|
||||
.funcs = NULL,
|
||||
.size = sizeof(NAME_CONSTRAINTS),
|
||||
.sname = "NAME_CONSTRAINTS",
|
||||
};
|
||||
|
||||
|
||||
GENERAL_SUBTREE *
|
||||
GENERAL_SUBTREE_new(void)
|
||||
{
|
||||
return (GENERAL_SUBTREE*)ASN1_item_new(&GENERAL_SUBTREE_it);
|
||||
}
|
||||
|
||||
void
|
||||
GENERAL_SUBTREE_free(GENERAL_SUBTREE *a)
|
||||
{
|
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ASN1_item_free((ASN1_VALUE *)a, &GENERAL_SUBTREE_it);
|
||||
}
|
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|
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NAME_CONSTRAINTS *
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NAME_CONSTRAINTS_new(void)
|
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{
|
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return (NAME_CONSTRAINTS*)ASN1_item_new(&NAME_CONSTRAINTS_it);
|
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}
|
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|
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void
|
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NAME_CONSTRAINTS_free(NAME_CONSTRAINTS *a)
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{
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ASN1_item_free((ASN1_VALUE *)a, &NAME_CONSTRAINTS_it);
|
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}
|
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|
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static void *
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v2i_NAME_CONSTRAINTS(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
|
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STACK_OF(CONF_VALUE) *nval)
|
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{
|
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int i;
|
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CONF_VALUE tval, *val;
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STACK_OF(GENERAL_SUBTREE) **ptree = NULL;
|
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NAME_CONSTRAINTS *ncons = NULL;
|
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GENERAL_SUBTREE *sub = NULL;
|
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ncons = NAME_CONSTRAINTS_new();
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if (!ncons)
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goto memerr;
|
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for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
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val = sk_CONF_VALUE_value(nval, i);
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if (!strncmp(val->name, "permitted", 9) && val->name[9]) {
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ptree = &ncons->permittedSubtrees;
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tval.name = val->name + 10;
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} else if (!strncmp(val->name, "excluded", 8) && val->name[8]) {
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ptree = &ncons->excludedSubtrees;
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tval.name = val->name + 9;
|
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} else {
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X509V3error(X509V3_R_INVALID_SYNTAX);
|
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goto err;
|
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}
|
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tval.value = val->value;
|
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sub = GENERAL_SUBTREE_new();
|
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if (!v2i_GENERAL_NAME_ex(sub->base, method, ctx, &tval, 1))
|
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goto err;
|
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if (!*ptree)
|
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*ptree = sk_GENERAL_SUBTREE_new_null();
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if (!*ptree || !sk_GENERAL_SUBTREE_push(*ptree, sub))
|
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goto memerr;
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sub = NULL;
|
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}
|
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|
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return ncons;
|
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|
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memerr:
|
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X509V3error(ERR_R_MALLOC_FAILURE);
|
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err:
|
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NAME_CONSTRAINTS_free(ncons);
|
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GENERAL_SUBTREE_free(sub);
|
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return NULL;
|
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}
|
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|
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static int
|
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i2r_NAME_CONSTRAINTS(const X509V3_EXT_METHOD *method, void *a, BIO *bp, int ind)
|
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{
|
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NAME_CONSTRAINTS *ncons = a;
|
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|
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do_i2r_name_constraints(method, ncons->permittedSubtrees,
|
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bp, ind, "Permitted");
|
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do_i2r_name_constraints(method, ncons->excludedSubtrees,
|
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bp, ind, "Excluded");
|
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return 1;
|
||||
}
|
||||
|
||||
static int
|
||||
do_i2r_name_constraints(const X509V3_EXT_METHOD *method,
|
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STACK_OF(GENERAL_SUBTREE) *trees, BIO *bp, int ind, char *name)
|
||||
{
|
||||
GENERAL_SUBTREE *tree;
|
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int i;
|
||||
|
||||
if (sk_GENERAL_SUBTREE_num(trees) > 0)
|
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BIO_printf(bp, "%*s%s:\n", ind, "", name);
|
||||
for (i = 0; i < sk_GENERAL_SUBTREE_num(trees); i++) {
|
||||
tree = sk_GENERAL_SUBTREE_value(trees, i);
|
||||
BIO_printf(bp, "%*s", ind + 2, "");
|
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if (tree->base->type == GEN_IPADD)
|
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print_nc_ipadd(bp, tree->base->d.ip);
|
||||
else
|
||||
GENERAL_NAME_print(bp, tree->base);
|
||||
BIO_puts(bp, "\n");
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int
|
||||
print_nc_ipadd(BIO *bp, ASN1_OCTET_STRING *ip)
|
||||
{
|
||||
int i, len;
|
||||
unsigned char *p;
|
||||
|
||||
p = ip->data;
|
||||
len = ip->length;
|
||||
BIO_puts(bp, "IP:");
|
||||
if (len == 8) {
|
||||
BIO_printf(bp, "%d.%d.%d.%d/%d.%d.%d.%d",
|
||||
p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);
|
||||
} else if (len == 32) {
|
||||
for (i = 0; i < 16; i++) {
|
||||
BIO_printf(bp, "%X", p[0] << 8 | p[1]);
|
||||
p += 2;
|
||||
if (i == 7)
|
||||
BIO_puts(bp, "/");
|
||||
else if (i != 15)
|
||||
BIO_puts(bp, ":");
|
||||
}
|
||||
} else
|
||||
BIO_printf(bp, "IP Address:<invalid>");
|
||||
return 1;
|
||||
}
|
||||
|
||||
/* Check a certificate conforms to a specified set of constraints.
|
||||
* Return values:
|
||||
* X509_V_OK: All constraints obeyed.
|
||||
* X509_V_ERR_PERMITTED_VIOLATION: Permitted subtree violation.
|
||||
* X509_V_ERR_EXCLUDED_VIOLATION: Excluded subtree violation.
|
||||
* X509_V_ERR_SUBTREE_MINMAX: Min or max values present and matching type.
|
||||
* X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE: Unsupported constraint type.
|
||||
* X509_V_ERR_UNSUPPORTED_CONSTRAINT_SYNTAX: bad unsupported constraint syntax.
|
||||
* X509_V_ERR_UNSUPPORTED_NAME_SYNTAX: bad or unsupported syntax of name
|
||||
*/
|
||||
|
||||
int
|
||||
NAME_CONSTRAINTS_check(X509 *x, NAME_CONSTRAINTS *nc)
|
||||
{
|
||||
int r, i;
|
||||
X509_NAME *nm;
|
||||
|
||||
nm = X509_get_subject_name(x);
|
||||
|
||||
if (X509_NAME_entry_count(nm) > 0) {
|
||||
GENERAL_NAME gntmp;
|
||||
gntmp.type = GEN_DIRNAME;
|
||||
gntmp.d.directoryName = nm;
|
||||
|
||||
r = nc_match(&gntmp, nc);
|
||||
|
||||
if (r != X509_V_OK)
|
||||
return r;
|
||||
|
||||
gntmp.type = GEN_EMAIL;
|
||||
|
||||
/* Process any email address attributes in subject name */
|
||||
|
||||
for (i = -1;;) {
|
||||
X509_NAME_ENTRY *ne;
|
||||
i = X509_NAME_get_index_by_NID(nm,
|
||||
NID_pkcs9_emailAddress, i);
|
||||
if (i == -1)
|
||||
break;
|
||||
ne = X509_NAME_get_entry(nm, i);
|
||||
gntmp.d.rfc822Name = X509_NAME_ENTRY_get_data(ne);
|
||||
if (gntmp.d.rfc822Name->type != V_ASN1_IA5STRING)
|
||||
return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX;
|
||||
|
||||
r = nc_match(&gntmp, nc);
|
||||
|
||||
if (r != X509_V_OK)
|
||||
return r;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
for (i = 0; i < sk_GENERAL_NAME_num(x->altname); i++) {
|
||||
GENERAL_NAME *gen = sk_GENERAL_NAME_value(x->altname, i);
|
||||
r = nc_match(gen, nc);
|
||||
if (r != X509_V_OK)
|
||||
return r;
|
||||
}
|
||||
return X509_V_OK;
|
||||
}
|
||||
static int
|
||||
nc_match(GENERAL_NAME *gen, NAME_CONSTRAINTS *nc)
|
||||
{
|
||||
GENERAL_SUBTREE *sub;
|
||||
int i, r, match = 0;
|
||||
|
||||
/* Permitted subtrees: if any subtrees exist of matching the type
|
||||
* at least one subtree must match.
|
||||
*/
|
||||
|
||||
for (i = 0; i < sk_GENERAL_SUBTREE_num(nc->permittedSubtrees); i++) {
|
||||
sub = sk_GENERAL_SUBTREE_value(nc->permittedSubtrees, i);
|
||||
if (gen->type != sub->base->type)
|
||||
continue;
|
||||
if (sub->minimum || sub->maximum)
|
||||
return X509_V_ERR_SUBTREE_MINMAX;
|
||||
/* If we already have a match don't bother trying any more */
|
||||
if (match == 2)
|
||||
continue;
|
||||
if (match == 0)
|
||||
match = 1;
|
||||
r = nc_match_single(gen, sub->base);
|
||||
if (r == X509_V_OK)
|
||||
match = 2;
|
||||
else if (r != X509_V_ERR_PERMITTED_VIOLATION)
|
||||
return r;
|
||||
}
|
||||
|
||||
if (match == 1)
|
||||
return X509_V_ERR_PERMITTED_VIOLATION;
|
||||
|
||||
/* Excluded subtrees: must not match any of these */
|
||||
|
||||
for (i = 0; i < sk_GENERAL_SUBTREE_num(nc->excludedSubtrees); i++) {
|
||||
sub = sk_GENERAL_SUBTREE_value(nc->excludedSubtrees, i);
|
||||
if (gen->type != sub->base->type)
|
||||
continue;
|
||||
if (sub->minimum || sub->maximum)
|
||||
return X509_V_ERR_SUBTREE_MINMAX;
|
||||
|
||||
r = nc_match_single(gen, sub->base);
|
||||
if (r == X509_V_OK)
|
||||
return X509_V_ERR_EXCLUDED_VIOLATION;
|
||||
else if (r != X509_V_ERR_PERMITTED_VIOLATION)
|
||||
return r;
|
||||
|
||||
}
|
||||
|
||||
return X509_V_OK;
|
||||
}
|
||||
|
||||
static int
|
||||
nc_match_single(GENERAL_NAME *gen, GENERAL_NAME *base)
|
||||
{
|
||||
switch (base->type) {
|
||||
case GEN_DIRNAME:
|
||||
return nc_dn(gen->d.directoryName, base->d.directoryName);
|
||||
|
||||
case GEN_DNS:
|
||||
return nc_dns(gen->d.dNSName, base->d.dNSName);
|
||||
|
||||
case GEN_EMAIL:
|
||||
return nc_email(gen->d.rfc822Name, base->d.rfc822Name);
|
||||
|
||||
case GEN_URI:
|
||||
return nc_uri(gen->d.uniformResourceIdentifier,
|
||||
base->d.uniformResourceIdentifier);
|
||||
|
||||
default:
|
||||
return X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE;
|
||||
}
|
||||
}
|
||||
|
||||
/* directoryName name constraint matching.
|
||||
* The canonical encoding of X509_NAME makes this comparison easy. It is
|
||||
* matched if the subtree is a subset of the name.
|
||||
*/
|
||||
|
||||
static int
|
||||
nc_dn(X509_NAME *nm, X509_NAME *base)
|
||||
{
|
||||
/* Ensure canonical encodings are up to date. */
|
||||
if (nm->modified && i2d_X509_NAME(nm, NULL) < 0)
|
||||
return X509_V_ERR_OUT_OF_MEM;
|
||||
if (base->modified && i2d_X509_NAME(base, NULL) < 0)
|
||||
return X509_V_ERR_OUT_OF_MEM;
|
||||
if (base->canon_enclen > nm->canon_enclen)
|
||||
return X509_V_ERR_PERMITTED_VIOLATION;
|
||||
if (memcmp(base->canon_enc, nm->canon_enc, base->canon_enclen))
|
||||
return X509_V_ERR_PERMITTED_VIOLATION;
|
||||
return X509_V_OK;
|
||||
}
|
||||
|
||||
static int
|
||||
nc_dns(ASN1_IA5STRING *dns, ASN1_IA5STRING *base)
|
||||
{
|
||||
char *baseptr = (char *)base->data;
|
||||
char *dnsptr = (char *)dns->data;
|
||||
|
||||
/* Empty matches everything */
|
||||
if (!*baseptr)
|
||||
return X509_V_OK;
|
||||
/* Otherwise can add zero or more components on the left so
|
||||
* compare RHS and if dns is longer and expect '.' as preceding
|
||||
* character.
|
||||
*/
|
||||
if (dns->length > base->length) {
|
||||
dnsptr += dns->length - base->length;
|
||||
if (baseptr[0] != '.' && dnsptr[-1] != '.')
|
||||
return X509_V_ERR_PERMITTED_VIOLATION;
|
||||
}
|
||||
|
||||
if (strcasecmp(baseptr, dnsptr))
|
||||
return X509_V_ERR_PERMITTED_VIOLATION;
|
||||
|
||||
return X509_V_OK;
|
||||
}
|
||||
|
||||
static int
|
||||
nc_email(ASN1_IA5STRING *eml, ASN1_IA5STRING *base)
|
||||
{
|
||||
const char *baseptr = (char *)base->data;
|
||||
const char *emlptr = (char *)eml->data;
|
||||
const char *baseat = strchr(baseptr, '@');
|
||||
const char *emlat = strchr(emlptr, '@');
|
||||
|
||||
if (!emlat)
|
||||
return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX;
|
||||
/* Special case: inital '.' is RHS match */
|
||||
if (!baseat && (*baseptr == '.')) {
|
||||
if (eml->length > base->length) {
|
||||
emlptr += eml->length - base->length;
|
||||
if (!strcasecmp(baseptr, emlptr))
|
||||
return X509_V_OK;
|
||||
}
|
||||
return X509_V_ERR_PERMITTED_VIOLATION;
|
||||
}
|
||||
|
||||
/* If we have anything before '@' match local part */
|
||||
|
||||
if (baseat) {
|
||||
if (baseat != baseptr) {
|
||||
if ((baseat - baseptr) != (emlat - emlptr))
|
||||
return X509_V_ERR_PERMITTED_VIOLATION;
|
||||
/* Case sensitive match of local part */
|
||||
if (strncmp(baseptr, emlptr, emlat - emlptr))
|
||||
return X509_V_ERR_PERMITTED_VIOLATION;
|
||||
}
|
||||
/* Position base after '@' */
|
||||
baseptr = baseat + 1;
|
||||
}
|
||||
emlptr = emlat + 1;
|
||||
/* Just have hostname left to match: case insensitive */
|
||||
if (strcasecmp(baseptr, emlptr))
|
||||
return X509_V_ERR_PERMITTED_VIOLATION;
|
||||
|
||||
return X509_V_OK;
|
||||
}
|
||||
|
||||
static int
|
||||
nc_uri(ASN1_IA5STRING *uri, ASN1_IA5STRING *base)
|
||||
{
|
||||
const char *baseptr = (char *)base->data;
|
||||
const char *hostptr = (char *)uri->data;
|
||||
const char *p = strchr(hostptr, ':');
|
||||
int hostlen;
|
||||
|
||||
/* Check for foo:// and skip past it */
|
||||
if (!p || (p[1] != '/') || (p[2] != '/'))
|
||||
return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX;
|
||||
hostptr = p + 3;
|
||||
|
||||
/* Determine length of hostname part of URI */
|
||||
|
||||
/* Look for a port indicator as end of hostname first */
|
||||
|
||||
p = strchr(hostptr, ':');
|
||||
/* Otherwise look for trailing slash */
|
||||
if (!p)
|
||||
p = strchr(hostptr, '/');
|
||||
|
||||
if (!p)
|
||||
hostlen = strlen(hostptr);
|
||||
else
|
||||
hostlen = p - hostptr;
|
||||
|
||||
if (hostlen == 0)
|
||||
return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX;
|
||||
|
||||
/* Special case: inital '.' is RHS match */
|
||||
if (*baseptr == '.') {
|
||||
if (hostlen > base->length) {
|
||||
p = hostptr + hostlen - base->length;
|
||||
if (!strncasecmp(p, baseptr, base->length))
|
||||
return X509_V_OK;
|
||||
}
|
||||
return X509_V_ERR_PERMITTED_VIOLATION;
|
||||
}
|
||||
|
||||
if ((base->length != (int)hostlen) ||
|
||||
strncasecmp(hostptr, baseptr, hostlen))
|
||||
return X509_V_ERR_PERMITTED_VIOLATION;
|
||||
|
||||
return X509_V_OK;
|
||||
}
|
||||
Reference in New Issue
Block a user