eap_mschapv2.h

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#pragma once
RCSIDH(eap_mschapv2_h, "$Id: 3627859f77150f93f893cf1b7d8635822d8c99a1 $")
 
#include <freeradius-devel/eap/base.h>
 
/*
 *      draft-kamath-pppext-eap-mschapv2-00.txt says:
 *
 *      Supplicant              FreeRADIUS
 *                      <--     challenge
 *      response        -->
 *                      <--     success
 *      success         -->
 *
 *      But what we often see is:
 *
 *      Supplicant              FreeRADIUS
 *                      <--     challenge
 *      response        -->
 *                      <--     success
 *      ack             -->
 */
#define FR_EAP_MSCHAPV2_ACK             0
#define FR_EAP_MSCHAPV2_CHALLENGE       1
#define FR_EAP_MSCHAPV2_RESPONSE        2
#define FR_EAP_MSCHAPV2_SUCCESS         3
#define FR_EAP_MSCHAPV2_FAILURE         4
#define FR_EAP_MSCHAPV2_CHGPASSWD       7
#define FR_EAP_MSCHAPV2_MAX_CODES       7
 
#define MSCHAPV2_HEADER_LEN     5
#define MSCHAPV2_CHALLENGE_LEN  16
#define MSCHAPV2_RESPONSE_LEN  50
 
typedef struct {
        uint8_t opcode;
        uint8_t mschapv2_id;
        uint8_t ms_length[2];
        uint8_t value_size;
} mschapv2_header_t;
 
typedef struct {
        int             code;
        bool            has_peer_challenge;
        uint8_t         auth_challenge[MSCHAPV2_CHALLENGE_LEN];
        uint8_t         peer_challenge[MSCHAPV2_CHALLENGE_LEN];
        fr_pair_list_t  mppe_keys;
        fr_pair_list_t  reply;
} mschapv2_opaque_t;