custom_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 CUSTOM_EXTENSIONS_H
#define CUSTOM_EXTENSIONS_H
 
#include "hitls.h"
#include "hitls_custom_extensions.h"
#include "tls.h"
 
#define MAX_LIMIT_CUSTOM_EXT 20
// Define CustomExtMethod structure
typedef struct {
    uint16_t extType;
    uint32_t context;
    HITLS_AddCustomExtCallback addCb;
    HITLS_FreeCustomExtCallback freeCb;
    void *addArg;
    HITLS_ParseCustomExtCallback parseCb;
    void *parseArg;
} CustomExtMethod;
 
// Define CustomExtMethods structure
typedef struct CustomExtMethods {
    CustomExtMethod *meths;
    uint32_t methsCount;
} CustomExtMethods;
 

bool IsPackNeedCustomExtensions(CustomExtMethods *exts, uint32_t context);
 

bool IsParseNeedCustomExtensions(CustomExtMethods *exts, uint16_t extType, uint32_t context);

int32_t PackCustomExtensions(const struct TlsCtx *ctx, PackPacket *pkt, uint32_t context,
    HITLS_CERT_X509 *cert, uint32_t certIndex);

void FreeCustomExtensions(CustomExtMethods *exts);

CustomExtMethods *DupCustomExtensions(CustomExtMethods *exts);

int32_t ParseCustomExtensions(const struct TlsCtx *ctx, const uint8_t *buf, uint16_t extType, uint32_t extLen,
    uint32_t context, HITLS_CERT_X509 *cert, uint32_t certIndex);
 
#endif // CUSTOM_EXTENSIONS_H