contrib/hostapd-0.4.9/radius_client.h

   1 #ifndef RADIUS_CLIENT_H
   2 #define RADIUS_CLIENT_H
   3
   4 #include "config_types.h"
   5
   6 struct radius_msg;
   7
   8 struct hostapd_radius_server {
   9         /* MIB prefix for shared variables:
  10          * @ = radiusAuth or radiusAcc depending on the type of the server */
  11         struct hostapd_ip_addr addr; /* @ServerAddress */
  12         int port; /* @ClientServerPortNumber */
  13         u8 *shared_secret;
  14         size_t shared_secret_len;
  15
  16         /* Dynamic (not from configuration file) MIB data */
  17         int index; /* @ServerIndex */
  18         int round_trip_time; /* @ClientRoundTripTime; in hundredths of a
  19                               * second */
  20         u32 requests; /* @Client{Access,}Requests */
  21         u32 retransmissions; /* @Client{Access,}Retransmissions */
  22         u32 access_accepts; /* radiusAuthClientAccessAccepts */
  23         u32 access_rejects; /* radiusAuthClientAccessRejects */
  24         u32 access_challenges; /* radiusAuthClientAccessChallenges */
  25         u32 responses; /* radiusAccClientResponses */
  26         u32 malformed_responses; /* @ClientMalformed{Access,}Responses */
  27         u32 bad_authenticators; /* @ClientBadAuthenticators */
  28         u32 timeouts; /* @ClientTimeouts */
  29         u32 unknown_types; /* @ClientUnknownTypes */
  30         u32 packets_dropped; /* @ClientPacketsDropped */
  31         /* @ClientPendingRequests: length of hapd->radius->msgs for matching
  32          * msg_type */
  33 };
  34
  35 struct hostapd_radius_servers {
  36         /* RADIUS Authentication and Accounting servers in priority order */
  37         struct hostapd_radius_server *auth_servers, *auth_server;
  38         int num_auth_servers;
  39         struct hostapd_radius_server *acct_servers, *acct_server;
  40         int num_acct_servers;
  41
  42         int retry_primary_interval;
  43         int acct_interim_interval;
  44
  45         int msg_dumps;
  46 };
  47
  48
  49 typedef enum {
  50         RADIUS_AUTH,
  51         RADIUS_ACCT,
  52         RADIUS_ACCT_INTERIM /* used only with radius_client_send(); just like
  53                              * RADIUS_ACCT, but removes any pending interim
  54                              * RADIUS Accounting packages for the same STA
  55                              * before sending the new interim update */
  56 } RadiusType;
  57
  58 typedef enum {
  59         RADIUS_RX_PROCESSED,
  60         RADIUS_RX_QUEUED,
  61         RADIUS_RX_UNKNOWN,
  62         RADIUS_RX_INVALID_AUTHENTICATOR
  63 } RadiusRxResult;
  64
  65 struct radius_client_data;
  66
  67 int radius_client_register(struct radius_client_data *radius,
  68                            RadiusType msg_type,
  69                            RadiusRxResult (*handler)
  70                            (struct radius_msg *msg, struct radius_msg *req,
  71                             u8 *shared_secret, size_t shared_secret_len,
  72                             void *data),
  73                            void *data);
  74 int radius_client_send(struct radius_client_data *radius,
  75                        struct radius_msg *msg,
  76                        RadiusType msg_type, u8 *addr);
  77 u8 radius_client_get_id(struct radius_client_data *radius);
  78
  79 void radius_client_flush(struct radius_client_data *radius);
  80 struct radius_client_data *
  81 radius_client_init(void *ctx, struct hostapd_radius_servers *conf);
  82 void radius_client_deinit(struct radius_client_data *radius);
  83 void radius_client_flush_auth(struct radius_client_data *radius, u8 *addr);
  84 int radius_client_get_mib(struct radius_client_data *radius, char *buf,
  85                           size_t buflen);
  86
  87 #endif /* RADIUS_CLIENT_H */