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

   1 #ifndef _EAP_LEAP_H
   2 #define _EAP_LEAP_H
   3
   4 #include <freeradius-devel/ident.h>
   5 RCSIDH(eap_leap_h, "$Id$")
   6
   7 #include "eap.h"
   8
   9 #define PW_LEAP_CHALLENGE       1
  10 #define PW_LEAP_RESPONSE        2
  11 #define PW_LEAP_SUCCESS         3
  12 #define PW_LEAP_FAILURE         4
  13 #define PW_LEAP_MAX_CODES       4
  14
  15 /*
  16  *  Version + unused + count
  17  */
  18 #define LEAP_HEADER_LEN         3
  19
  20 /*
  21  ****
  22  * EAP - LEAP doesnot specify code, id & length but chap specifies them,
  23  *      for generalization purpose, complete header should be sent
  24  *      and not just value_size, value and name.
  25  *      future implementation.
  26  */
  27
  28 /* eap packet structure */
  29 typedef struct leap_packet_t {
  30         /*
  31          *  EAP header, followed by type comes before this.
  32          */
  33         uint8_t version;
  34         uint8_t unused;
  35         uint8_t count;
  36         uint8_t challenge[1];   /* 8 or 24, followed by user name */
  37 } leap_packet_t;
  38
  39 /*
  40  *      Which is decoded into this.
  41  */
  42 typedef struct leap_packet {
  43         unsigned char   code;
  44         unsigned char   id;
  45         int             length;
  46         int             count;
  47         unsigned char   *challenge;
  48         int             name_len;
  49         char            *name;
  50 } LEAP_PACKET;
  51
  52 /*
  53  *      The information which must be kept around
  54  *      during the LEAP session.
  55  */
  56 typedef struct leap_session_t {
  57         int             stage;
  58         uint8_t         peer_challenge[8];
  59         uint8_t         peer_response[24];
  60 } leap_session_t;
  61
  62 /* function declarations here */
  63
  64 LEAP_PACKET     *eapleap_alloc(void);
  65 void            eapleap_free(LEAP_PACKET **leap_packet_ptr);
  66
  67 int             eapleap_compose(EAP_DS *auth, LEAP_PACKET *reply);
  68 LEAP_PACKET     *eapleap_extract(EAP_DS *auth);
  69 LEAP_PACKET     *eapleap_initiate(EAP_DS *eap_ds, VALUE_PAIR *user_name);
  70 int             eapleap_stage4(LEAP_PACKET *packet, VALUE_PAIR* password,
  71                                leap_session_t *session);
  72 LEAP_PACKET     *eapleap_stage6(LEAP_PACKET *packet, REQUEST *request,
  73                                 VALUE_PAIR *user_name, VALUE_PAIR* password,
  74                                 leap_session_t *session,
  75                                 VALUE_PAIR **reply_vps);
  76
  77 void eapleap_lmpwdhash(const unsigned char *password,unsigned char *lmhash);
  78 void eapleap_mschap(const unsigned char *win_password,
  79                  const unsigned char *challenge, unsigned char *response);
  80
  81 #endif /*_EAP_LEAP_H*/