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