/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is the Netscape Security Services for Java.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998-2000
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */
#include "_jni/org_mozilla_jss_asn1_ASN1Util.h"
#include <pk11func.h>
#include <nspr.h>
#include <seccomon.h>
#include <keyhi.h>
#include <secitem.h>

#include <jssutil.h>
#include <java_ids.h>
#include <jss_exceptions.h>
#include <Algorithm.h>

/***********************************************************************
 *
 * Java_org_mozilla_jss_asn1_ASN1Util_getTagDescriptionByOid
 *     retrieves OID description by NSS's OID Tag identifier
 *     the OID byte array is expected to be without the OID Tag (6) and size
 *        (together 2 bytes)
 */
JNIEXPORT jstring JNICALL
Java_org_mozilla_jss_asn1_ASN1Util_getTagDescriptionByOid(JNIEnv *env,
		jobject this, jbyteArray oidBA) {
	SECItem *oid = NULL;
	SECOidTag oidTag = SEC_OID_UNKNOWN;
	const char *oidDesc = NULL;
	jstring description = (jstring) "";

	if (oidBA == NULL) {
		JSS_throwMsg(env, INVALID_PARAMETER_EXCEPTION,
				"JSS getTagDescriptionByOid: oidBA null");
		goto finish;
	} else {
		/**************************************************
		 * Setup the parameters
		 *************************************************/
		oid = JSS_ByteArrayToSECItem(env, oidBA);
		if (oid == NULL) {
			JSS_throwMsg(env, INVALID_PARAMETER_EXCEPTION,
					"JSS getTagDescriptionByOid: JSS_ByteArrayToSECItem failed");
			goto finish;
		}

		/*
		 * SECOID_FindOIDTag() returns SEC_OID_UNKNOWN if no match
		 */
		oidTag = SECOID_FindOIDTag(oid);
		if (oidTag == SEC_OID_UNKNOWN) {
			JSS_throwMsg(env, INVALID_PARAMETER_EXCEPTION,
					"JSS getTagDescriptionByOid: OID UNKNOWN");
			goto finish;
		}

		oidDesc = SECOID_FindOIDTagDescription(oidTag);
		if (oidDesc == NULL) {
			oidDesc = "";
		}
		description = (*env)->NewStringUTF(env, oidDesc);
	}

	finish: return description;
}
