parse_extensions.h

/*
 * This file is part of the openHiTLS project.
 *
 * openHiTLS is licensed under the Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *
 *     http://license.coscl.org.cn/MulanPSL2
 *
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 * See the Mulan PSL v2 for more details.
 */
 
#ifndef PARSE_EXTENSIONS_H
#define PARSE_EXTENSIONS_H
 
#include <stdint.h>
#include "tls.h"
#include "hs_msg.h"
#include "parse_common.h"
 
#ifdef __cplusplus
extern "C" {
#endif

int32_t ParseClientExtension(TLS_Ctx *ctx, const uint8_t *buf, uint32_t bufLen, ClientHelloMsg *msg);

void CleanClientHelloExtension(ClientHelloMsg *msg);

int32_t ParseServerExtension(TLS_Ctx *ctx, const uint8_t *buf, uint32_t bufLen, ServerHelloMsg *msg);
int32_t ParseExHeader(TLS_Ctx *ctx, const uint8_t *buf, uint32_t bufLen, uint16_t *extMsgType, uint32_t *extMsgLen);
void CleanServerHelloExtension(ServerHelloMsg *msg);
int32_t ParseEmptyExtension(TLS_Ctx *ctx, uint16_t extMsgType, uint32_t extMsgLen, bool *haveExtension);
 
int32_t ParseExCookie(const uint8_t *buf, uint32_t bufLen, uint8_t **cookie, uint16_t *cookieLen);
 
int32_t ParseSecRenegoInfo(TLS_Ctx *ctx, const uint8_t *buf, uint32_t bufLen, uint8_t **secRenegoInfo,
    uint8_t *secRenegoInfoSize);
 
int32_t ParseRecordSizeLimit(TLS_Ctx *ctx, const uint8_t *buf, uint32_t bufLen,
                             bool *haveRecordSizeLimit, uint16_t *recordSizeLimit);
 
int32_t ParseServerSelectedAlpnProtocol(
    ParsePacket *pkt, bool *haveSelectedAlpn, uint8_t **alpnSelected, uint16_t *alpnSelectedSize);

int32_t ParseDupExtProcess(TLS_Ctx *ctx, uint32_t logId, const void *format);

int32_t ParseErrorExtLengthProcess(TLS_Ctx *ctx, uint32_t logId, const void *format);
 
bool GetExtensionFlagValue(TLS_Ctx *ctx, uint32_t hsExTypeId);
 
int32_t CheckForDuplicateExtension(ParsePacket *pkt, uint16_t *extMsgType, uint32_t *extMsgLen,
    uint32_t *extensionId, uint64_t extensionTypeMask);
#ifdef __cplusplus
}
#endif /* end __cplusplus */
 
#endif /* end PARSE_EXTENSIONS_H */