src/modules/rlm_eap/types/rlm_eap_leap/eap_leap.h

   1 #ifndef _EAP_LEAP_H
   2 #define _EAP_LEAP_H
   3
   4 RCSIDH(eap_leap_h, "$Id$")
   5
   6 #include "eap.h"
   7
   8 #define PW_LEAP_CHALLENGE       1
   9 #define PW_LEAP_RESPONSE        2
  10 #define PW_LEAP_SUCCESS         3
  11 #define PW_LEAP_FAILURE         4
  12 #define PW_LEAP_MAX_CODES       4
  13
  14 /*
  15  *  Version + unused + count
  16  */
  17 #define LEAP_HEADER_LEN         3
  18
  19 /*
  20  ****
  21  * EAP - LEAP does not specify code, id & length but chap specifies them,
  22  *      for generalization purpose, complete header should be sent
  23  *      and not just value_size, value and name.
  24  *      future implementation.
  25  */
  26
  27 /* eap packet structure */
  28 typedef struct leap_packet_raw_t {
  29         /*
  30          *  EAP header, followed by type comes before this.
  31          */
  32         uint8_t version;
  33         uint8_t unused;
  34         uint8_t count;
  35         uint8_t challenge[1];   /* 8 or 24, followed by user name */
  36 } leap_packet_raw_t;
  37
  38 /*
  39  *      Which is decoded into this.
  40  */
  41 typedef struct leap_packet {
  42         unsigned char   code;
  43         unsigned char   id;
  44         size_t          length;
  45         int             count;
  46         unsigned char   *challenge;
  47         size_t          name_len;
  48         char            *name;
  49 } leap_packet_t;
  50
  51 /*
  52  *      The information which must be kept around
  53  *      during the LEAP session.
  54  */
  55 typedef struct leap_session_t {
  56         int             stage;
  57         uint8_t         peer_challenge[8];
  58         uint8_t         peer_response[24];
  59 } leap_session_t;
  60
  61 /* function declarations here */
  62
  63 int             eapleap_compose(REQUEST *request, EAP_DS *auth, leap_packet_t *reply);
  64 leap_packet_t   *eapleap_extract(REQUEST *request, EAP_DS *eap_ds);
  65 leap_packet_t   *eapleap_initiate(REQUEST *request, EAP_DS *eap_ds, VALUE_PAIR *user_name);
  66 int             eapleap_stage4(REQUEST *request, leap_packet_t *packet, VALUE_PAIR* password, leap_session_t *session);
  67 leap_packet_t   *eapleap_stage6(REQUEST *request, leap_packet_t *packet, VALUE_PAIR *user_name, VALUE_PAIR* password,
  68                                 leap_session_t *session);
  69
  70 void eapleap_mschap(unsigned char const *win_password, unsigned char const *challenge, unsigned char *response);
  71
  72 #endif /*_EAP_LEAP_H*/