/**
* Parse OCSP response data
*
* @v ocsp OCSP check
* @v raw ASN.1 cursor
* @ret rc Return status code
*/
static int ocsp_parse_tbs_response_data ( struct ocsp_check *ocsp,
const struct asn1_cursor *raw ) {
struct ocsp_response *response = &ocsp->response;
struct asn1_cursor cursor;
int rc;
/* Record raw tbsResponseData */
memcpy ( &cursor, raw, sizeof ( cursor ) );
asn1_shrink_any ( &cursor );
memcpy ( &response->tbs, &cursor, sizeof ( response->tbs ) );
/* Enter tbsResponseData */
asn1_enter ( &cursor, ASN1_SEQUENCE );
/* Skip version, if present */
asn1_skip_if_exists ( &cursor, ASN1_EXPLICIT_TAG ( 0 ) );
/* Parse responderID */
if ( ( rc = ocsp_parse_responder_id ( ocsp, &cursor ) ) != 0 )
return rc;
asn1_skip_any ( &cursor );
/* Skip producedAt */
asn1_skip_any ( &cursor );
/* Parse responses */
if ( ( rc = ocsp_parse_responses ( ocsp, &cursor ) ) != 0 )
return rc;
return 0;
}
/**
* Parse OCSP certificate ID
*
* @v ocsp OCSP check
* @v raw ASN.1 cursor
* @ret rc Return status code
*/
static int ocsp_parse_cert_id ( struct ocsp_check *ocsp,
const struct asn1_cursor *raw ) {
struct asn1_cursor cursor;
/* Check certID matches request */
memcpy ( &cursor, raw, sizeof ( cursor ) );
asn1_shrink_any ( &cursor );
if ( asn1_compare ( &cursor, &ocsp->request.cert_id ) != 0 ) {
DBGC ( ocsp, "OCSP %p \"%s\" certID mismatch:\n",
ocsp, x509_name ( ocsp->cert ) );
DBGC_HDA ( ocsp, 0, ocsp->request.cert_id.data,
ocsp->request.cert_id.len );
DBGC_HDA ( ocsp, 0, cursor.data, cursor.len );
return -EACCES_CERT_MISMATCH;
}
return 0;
}