hitls_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 HITLS_CUSTOM_EXTENSIONS_H
#define HITLS_CUSTOM_EXTENSIONS_H
 
#include <stdint.h>
#include "hitls_type.h"
#include "hitls_cert_type.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
/* Extension context */

#define HITLS_EX_TYPE_CLIENT_HELLO                    0x00001

#define HITLS_EX_TYPE_TLS1_2_SERVER_HELLO             0x00002

#define HITLS_EX_TYPE_TLS1_3_SERVER_HELLO             0x00004

#define HITLS_EX_TYPE_HELLO_RETRY_REQUEST             0x00008

#define HITLS_EX_TYPE_ENCRYPTED_EXTENSIONS            0x00010

#define HITLS_EX_TYPE_TLS1_3_CERTIFICATE                     0x00020

#define HITLS_EX_TYPE_TLS1_3_CERTIFICATE_REQUEST         0x00040

#define HITLS_EX_TYPE_TLS1_3_NEW_SESSION_TICKET        0x00080
 
 
#define HITLS_ADD_CUSTOM_EXTENSION_RET_PACK            1
#define HITLS_ADD_CUSTOM_EXTENSION_RET_PASS            HITLS_SUCCESS

typedef int (*HITLS_AddCustomExtCallback) (const HITLS_Ctx *ctx, uint16_t extType, uint32_t context, uint8_t **out,
    uint32_t *outLen, HITLS_CERT_X509 *cert, uint32_t certIndex, uint32_t *alert, void *addArg);

typedef void (*HITLS_FreeCustomExtCallback) (const HITLS_Ctx *ctx, uint16_t extType, uint32_t context,
    uint8_t *out, void *addArg);

typedef int (*HITLS_ParseCustomExtCallback) (const HITLS_Ctx *ctx, uint16_t extType, uint32_t context,
    const uint8_t **in, uint32_t *inLen, HITLS_CERT_X509 *cert, uint32_t certIndex, uint32_t *alert, void *parseArg);
 

typedef struct {
    uint16_t extType;                           
    uint32_t context;                           
    HITLS_AddCustomExtCallback addCb;           
    HITLS_FreeCustomExtCallback freeCb;         
    void *addArg;                            
    HITLS_ParseCustomExtCallback parseCb;       
    void *parseArg;                          
} HITLS_CustomExtParams;

uint32_t HITLS_AddCustomExtension(HITLS_Ctx *ctx, const HITLS_CustomExtParams *params);

uint32_t HITLS_CFG_AddCustomExtension(HITLS_Config *config, const HITLS_CustomExtParams *params);
 
#ifdef __cplusplus
}
#endif
 
#endif /* HITLS_CUSTOM_EXTENSIONS_H */