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/*
* Portions Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*
* Portions Copyright (C) 2001 Nominum, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC AND NOMINUM DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef ISCCC_CC_H
#define ISCCC_CC_H 1
/*! \file isccc/cc.h */
#include <inttypes.h>
#include <stdbool.h>
#include <isc/lang.h>
#include <isc/buffer.h>
#include <isccc/types.h>
ISC_LANG_BEGINDECLS
/*% from lib/dns/include/dst/dst.h */
#define ISCCC_ALG_UNKNOWN 0
#define ISCCC_ALG_HMACMD5 157
#define ISCCC_ALG_HMACSHA1 161
#define ISCCC_ALG_HMACSHA224 162
#define ISCCC_ALG_HMACSHA256 163
#define ISCCC_ALG_HMACSHA384 164
#define ISCCC_ALG_HMACSHA512 165
/*% Maximum Datagram Package */
#define ISCCC_CC_MAXDGRAMPACKET 4096
/*% Message Type String */
#define ISCCC_CCMSGTYPE_STRING 0x00
/*% Message Type Binary Data */
#define ISCCC_CCMSGTYPE_BINARYDATA 0x01
/*% Message Type Table */
#define ISCCC_CCMSGTYPE_TABLE 0x02
/*% Message Type List */
#define ISCCC_CCMSGTYPE_LIST 0x03
/*% Send to Wire */
isc_result_t
isccc_cc_towire(isccc_sexpr_t *alist, isc_buffer_t **buffer,
uint32_t algorithm, isccc_region_t *secret);
/*% Get From Wire */
isc_result_t
isccc_cc_fromwire(isccc_region_t *source, isccc_sexpr_t **alistp,
uint32_t algorithm, isccc_region_t *secret);
/*% Create Message */
isc_result_t
isccc_cc_createmessage(uint32_t version, const char *from, const char *to,
uint32_t serial, isccc_time_t now,
isccc_time_t expires, isccc_sexpr_t **alistp);
/*% Create Acknowledgment */
isc_result_t
isccc_cc_createack(isccc_sexpr_t *message, bool ok,
isccc_sexpr_t **ackp);
/*% Is Ack? */
bool
isccc_cc_isack(isccc_sexpr_t *message);
/*% Is Reply? */
bool
isccc_cc_isreply(isccc_sexpr_t *message);
/*% Create Response */
isc_result_t
isccc_cc_createresponse(isccc_sexpr_t *message, isccc_time_t now,
isccc_time_t expires, isccc_sexpr_t **alistp);
/*% Define String */
isccc_sexpr_t *
isccc_cc_definestring(isccc_sexpr_t *alist, const char *key, const char *str);
/*% Define uint 32 */
isccc_sexpr_t *
isccc_cc_defineuint32(isccc_sexpr_t *alist, const char *key, uint32_t i);
/*% Lookup String */
isc_result_t
isccc_cc_lookupstring(isccc_sexpr_t *alist, const char *key, char **strp);
/*% Lookup uint 32 */
isc_result_t
isccc_cc_lookupuint32(isccc_sexpr_t *alist, const char *key,
uint32_t *uintp);
/*% Create Symbol Table */
isc_result_t
isccc_cc_createsymtab(isccc_symtab_t **symtabp);
/*% Clean up Symbol Table */
void
isccc_cc_cleansymtab(isccc_symtab_t *symtab, isccc_time_t now);
/*% Check for Duplicates */
isc_result_t
isccc_cc_checkdup(isccc_symtab_t *symtab, isccc_sexpr_t *message,
isccc_time_t now);
ISC_LANG_ENDDECLS
#endif /* ISCCC_CC_H */