/*
   Unix SMB/CIFS implementation.

   DNS server handler for signed packets

   Copyright (C) 2012 Kai Blin  <kai@samba.org>

   This program 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.

   This program 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 <http://www.gnu.org/licenses/>.
*/

#include "includes.h"
#include "lib/crypto/hmacmd5.h"
#include "system/network.h"
#include "librpc/ndr/libndr.h"
#include "librpc/gen_ndr/ndr_dns.h"
#include "dns_server/dns_server.h"
#include "libcli/util/ntstatus.h"
#include "auth/auth.h"
#include "auth/gensec/gensec.h"

struct dns_server_tkey *dns_find_tkey(struct dns_server_tkey_store *store,
				      const char *name)
{
	struct dns_server_tkey *tkey = NULL;
	uint16_t i = 0;

	do {
		struct dns_server_tkey *tmp_key = store->tkeys[i];

		i++;
		i %= TKEY_BUFFER_SIZE;

		if (tmp_key == NULL) {
			continue;
		}
		if (dns_name_equal(name, tmp_key->name)) {
			tkey = tmp_key;
			break;
		}
	} while (i != 0);

	return tkey;
}