mbed-os/features/nanostack/sal-stack-nanostack/source/Security/PANA/pana_eap_header.h

79 lines
2.4 KiB
C

/*
* Copyright (c) 2017-2019, Arm Limited and affiliates.
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef PANA_EAP_HEADER_H_
#define PANA_EAP_HEADER_H_
// Codes
#define EAP_REQ 0x01
#define EAP_RESPONSE 0x02
#define EAP_SUCCESS 0x03
#define EAP_FAILURE 0x04
// Request/Response Types
#define EAP_IDENTITY 1
#define EAP_TLS 13
#define EAP_TTLS 21
#define EAP_TLS_START 0x20
#define EAP_TLS_MORE_FRAGMENTS 0x40
#define EAP_TLS_FRAGMENT_LENGTH 0x80
#define EAP_MTU_SIZE 520
#define EAP_MTU_FRAG_SIZE 296
/****************************************
* EAP BASE For EAP_REQ & EAP_RESPONSE
*
* Code Identifier Length Type
* 8-bit 8-bit 16-bit 8-bit
*
*/
/****************************************
* EAP BASE For EAP_SUCCESS & EAP_FAILURE
*
* Code Identifier Length
* 8-bit 8-bit 16-bit
*
*/
typedef struct eap_header {
uint16_t length;
uint8_t eap_code;
uint8_t id_seq;
uint8_t type;
uint8_t *data_ptr;
} eap_header_t;
typedef struct eap_tls_header {
uint8_t *data_ptr;
uint8_t eap_tls_flags;
uint16_t tls_frame_length;
uint16_t tls_length;
} eap_tls_header_t;
bool eap_header_parse(uint8_t *data_ptr, uint16_t length, eap_header_t *header);
uint8_t eap_header_size(uint8_t eap_code);
uint8_t *eap_header_build(uint8_t *ptr, uint16_t data_length, uint8_t eap_code, uint8_t id_seq, uint8_t type);
bool eap_tls_header_parse(uint8_t *eap_data_ptr, uint16_t eap_datalength, eap_tls_header_t *header);
uint8_t eap_tls_header_size(uint16_t eap_tls_flags);
uint8_t *eap_tls_header_build(uint8_t *ptr, uint16_t eap_tls_flags, uint16_t frame_length);
#endif /* PANA_EAP_HEADER_H_ */