149 lines
4.4 KiB
C
149 lines
4.4 KiB
C
/*
|
|
*
|
|
* Wireless daemon for Linux
|
|
*
|
|
* Copyright (C) 2013-2014 Intel Corporation. All rights reserved.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*
|
|
*/
|
|
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include <asm/byteorder.h>
|
|
#include <linux/types.h>
|
|
|
|
struct eap_state;
|
|
|
|
enum eap_result {
|
|
EAP_RESULT_SUCCESS,
|
|
EAP_RESULT_FAIL,
|
|
EAP_RESULT_TIMEOUT,
|
|
};
|
|
|
|
typedef void (*eap_tx_packet_func_t)(const uint8_t *eap_data, size_t len,
|
|
void *user_data);
|
|
typedef void (*eap_key_material_func_t)(const uint8_t *msk_data, size_t msk_len,
|
|
const uint8_t *emsk_data, size_t emsk_len,
|
|
const uint8_t *iv, size_t iv_len,
|
|
void *user_data);
|
|
typedef void (*eap_complete_func_t)(enum eap_result result, void *user_data);
|
|
typedef void (*eap_event_func_t)(unsigned int event, const void *event_data,
|
|
void *user_data);
|
|
|
|
struct eap_state *eap_new(eap_tx_packet_func_t tx_packet,
|
|
eap_complete_func_t complete, void *user_data);
|
|
void eap_free(struct eap_state *eap);
|
|
|
|
bool eap_load_settings(struct eap_state *eap, struct l_settings *settings,
|
|
const char *prefix);
|
|
|
|
void eap_set_key_material_func(struct eap_state *eap,
|
|
eap_key_material_func_t func);
|
|
void eap_set_event_func(struct eap_state *eap, eap_event_func_t func);
|
|
|
|
void eap_set_mtu(struct eap_state *eap, size_t mtu);
|
|
size_t eap_get_mtu(struct eap_state *eap);
|
|
|
|
void eap_rx_packet(struct eap_state *eap, const uint8_t *pkt, size_t len);
|
|
|
|
void __eap_handle_request(struct eap_state *eap, uint16_t id,
|
|
const uint8_t *pkt, size_t len);
|
|
|
|
void eap_init(uint32_t default_mtu);
|
|
void eap_exit(void);
|
|
|
|
/* EAP method API */
|
|
|
|
enum eap_type {
|
|
EAP_TYPE_IDENTITY = 1,
|
|
EAP_TYPE_NOTIFICATION = 2,
|
|
EAP_TYPE_NAK = 3,
|
|
__EAP_TYPE_MIN_METHOD = 4,
|
|
EAP_TYPE_MD5_CHALLENGE = 4,
|
|
EAP_TYPE_TLS_EAP = 13,
|
|
EAP_TYPE_SIM = 18,
|
|
EAP_TYPE_TTLS = 21,
|
|
EAP_TYPE_AKA = 23,
|
|
EAP_TYPE_PEAP = 25,
|
|
EAP_TYPE_EXTENSIONS = 33,
|
|
EAP_TYPE_AKA_PRIME = 50,
|
|
EAP_TYPE_MSCHAPV2 = 26,
|
|
EAP_TYPE_EXPANDED = 254,
|
|
};
|
|
|
|
enum eap_code {
|
|
EAP_CODE_REQUEST = 1,
|
|
EAP_CODE_RESPONSE = 2,
|
|
EAP_CODE_SUCCESS = 3,
|
|
EAP_CODE_FAILURE = 4,
|
|
};
|
|
|
|
struct eap_method {
|
|
enum eap_type request_type;
|
|
uint8_t vendor_id[3];
|
|
uint32_t vendor_type;
|
|
bool exports_msk;
|
|
const char *name;
|
|
|
|
bool (*load_settings)(struct eap_state *eap,
|
|
struct l_settings *settings,
|
|
const char *prefix);
|
|
void (*free)(struct eap_state *eap);
|
|
|
|
void (*handle_request)(struct eap_state *eap,
|
|
const uint8_t *pkt, size_t len);
|
|
void (*handle_retransmit)(struct eap_state *eap,
|
|
const uint8_t *pkt, size_t len);
|
|
const char *(*get_identity)(struct eap_state *eap);
|
|
};
|
|
|
|
struct eap_method_desc {
|
|
const char *name;
|
|
int (*init)(void);
|
|
void (*exit)(void);
|
|
} __attribute__((aligned(8)));
|
|
|
|
#define EAP_METHOD_BUILTIN(name, init, exit) \
|
|
static struct eap_method_desc __eap_builtin_ ## name \
|
|
__attribute__((used, section("__eap"), aligned(8))) = { \
|
|
#name, init, exit \
|
|
}; \
|
|
|
|
int eap_register_method(struct eap_method *method);
|
|
int eap_unregister_method(struct eap_method *method);
|
|
|
|
void eap_set_data(struct eap_state *eap, void *data);
|
|
void *eap_get_data(struct eap_state *eap);
|
|
|
|
void eap_send_response(struct eap_state *eap,
|
|
enum eap_type request_type,
|
|
uint8_t *buf, size_t len);
|
|
|
|
void eap_set_key_material(struct eap_state *eap,
|
|
const uint8_t *msk_data, size_t msk_len,
|
|
const uint8_t *emsk_data, size_t emsk_len,
|
|
const uint8_t *iv, size_t iv_len);
|
|
|
|
void eap_start_complete_timeout(struct eap_state *eap);
|
|
|
|
void eap_method_success(struct eap_state *eap);
|
|
void eap_method_error(struct eap_state *eap);
|
|
void eap_method_event(struct eap_state *eap, unsigned int type,
|
|
const void *data);
|
|
|
|
void eap_save_last_id(struct eap_state *eap, uint8_t *last_id);
|
|
void eap_restore_last_id(struct eap_state *eap, uint8_t last_id);
|