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/*
* Copyright (C) 2002-2012 Free Software Foundation, Inc.
*
* Author: Nikos Mavrogiannopoulos
*
* This file is part of GnuTLS-EXTRA.
*
* GnuTLS-extra is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GnuTLS-extra is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
/* This file includes all functions that were in the 0.5.x and 0.8.x
* gnutls API. They are now implemented over the new certificate parsing
* API.
*/
#include "gnutls_int.h"
#include <string.h> /* memset */
#include <x509/x509_int.h>
#include <libtasn1.h>
#include <gnutls/x509.h>
#include <openssl_compat.h>
/*-
* gnutls_x509_extract_certificate_dn:
* @cert: should contain an X.509 DER encoded certificate
* @ret: a pointer to a structure to hold the peer's name
*
* This function will return the name of the certificate holder. The name is gnutls_x509_dn structure and
* is a obtained by the peer's certificate. If the certificate send by the
* peer is invalid, or in any other failure this function returns error.
* Returns a negative error code in case of an error.
-*/
int
gnutls_x509_extract_certificate_dn(const gnutls_datum_t * cert,
gnutls_x509_dn * ret)
{
gnutls_x509_crt_t xcert;
int result;
size_t len;
result = gnutls_x509_crt_init(&xcert);
if (result < 0)
return result;
result = gnutls_x509_crt_import(xcert, cert, GNUTLS_X509_FMT_DER);
if (result < 0) {
gnutls_x509_crt_deinit(xcert);
return result;
}
len = sizeof(ret->country);
gnutls_x509_crt_get_dn_by_oid(xcert, GNUTLS_OID_X520_COUNTRY_NAME,
0, 0, ret->country, &len);
len = sizeof(ret->organization);
gnutls_x509_crt_get_dn_by_oid(xcert,
GNUTLS_OID_X520_ORGANIZATION_NAME, 0,
0, ret->organization, &len);
len = sizeof(ret->organizational_unit_name);
gnutls_x509_crt_get_dn_by_oid(xcert,
GNUTLS_OID_X520_ORGANIZATIONAL_UNIT_NAME,
0, 0, ret->organizational_unit_name,
&len);
len = sizeof(ret->common_name);
gnutls_x509_crt_get_dn_by_oid(xcert, GNUTLS_OID_X520_COMMON_NAME,
0, 0, ret->common_name, &len);
len = sizeof(ret->locality_name);
gnutls_x509_crt_get_dn_by_oid(xcert, GNUTLS_OID_X520_LOCALITY_NAME,
0, 0, ret->locality_name, &len);
len = sizeof(ret->state_or_province_name);
gnutls_x509_crt_get_dn_by_oid(xcert,
GNUTLS_OID_X520_STATE_OR_PROVINCE_NAME,
0, 0, ret->state_or_province_name,
&len);
len = sizeof(ret->email);
gnutls_x509_crt_get_dn_by_oid(xcert, GNUTLS_OID_PKCS9_EMAIL, 0, 0,
ret->email, &len);
gnutls_x509_crt_deinit(xcert);
return 0;
}
/*-
* gnutls_x509_extract_certificate_issuer_dn:
* @cert: should contain an X.509 DER encoded certificate
* @ret: a pointer to a structure to hold the issuer's name
*
* This function will return the name of the issuer stated in the certificate. The name is a gnutls_x509_dn structure and
* is a obtained by the peer's certificate. If the certificate send by the
* peer is invalid, or in any other failure this function returns error.
* Returns a negative error code in case of an error.
-*/
int
gnutls_x509_extract_certificate_issuer_dn(const gnutls_datum_t * cert,
gnutls_x509_dn * ret)
{
gnutls_x509_crt_t xcert;
int result;
size_t len;
result = gnutls_x509_crt_init(&xcert);
if (result < 0)
return result;
result = gnutls_x509_crt_import(xcert, cert, GNUTLS_X509_FMT_DER);
if (result < 0) {
gnutls_x509_crt_deinit(xcert);
return result;
}
len = sizeof(ret->country);
gnutls_x509_crt_get_issuer_dn_by_oid(xcert,
GNUTLS_OID_X520_COUNTRY_NAME,
0, 0, ret->country, &len);
len = sizeof(ret->organization);
gnutls_x509_crt_get_issuer_dn_by_oid(xcert,
GNUTLS_OID_X520_ORGANIZATION_NAME,
0, 0, ret->organization,
&len);
len = sizeof(ret->organizational_unit_name);
gnutls_x509_crt_get_issuer_dn_by_oid(xcert,
GNUTLS_OID_X520_ORGANIZATIONAL_UNIT_NAME,
0, 0,
ret->organizational_unit_name,
&len);
len = sizeof(ret->common_name);
gnutls_x509_crt_get_issuer_dn_by_oid(xcert,
GNUTLS_OID_X520_COMMON_NAME,
0, 0, ret->common_name, &len);
len = sizeof(ret->locality_name);
gnutls_x509_crt_get_issuer_dn_by_oid(xcert,
GNUTLS_OID_X520_LOCALITY_NAME,
0, 0, ret->locality_name,
&len);
len = sizeof(ret->state_or_province_name);
gnutls_x509_crt_get_issuer_dn_by_oid(xcert,
GNUTLS_OID_X520_STATE_OR_PROVINCE_NAME,
0, 0,
ret->state_or_province_name,
&len);
len = sizeof(ret->email);
gnutls_x509_crt_get_issuer_dn_by_oid(xcert, GNUTLS_OID_PKCS9_EMAIL,
0, 0, ret->email, &len);
gnutls_x509_crt_deinit(xcert);
return 0;
}
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