106 lines
3.4 KiB
C
106 lines
3.4 KiB
C
/*
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* hostapd / RADIUS client
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* Copyright (c) 2002-2005, Jouni Malinen <j@w1.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Alternatively, this software may be distributed under the terms of BSD
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* license.
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*
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* See README and COPYING for more details.
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*/
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#ifndef RADIUS_CLIENT_H
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#define RADIUS_CLIENT_H
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#include "config_types.h"
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struct radius_msg;
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struct hostapd_radius_server {
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/* MIB prefix for shared variables:
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* @ = radiusAuth or radiusAcc depending on the type of the server */
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struct hostapd_ip_addr addr; /* @ServerAddress */
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int port; /* @ClientServerPortNumber */
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u8 *shared_secret;
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size_t shared_secret_len;
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/* Dynamic (not from configuration file) MIB data */
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int index; /* @ServerIndex */
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int round_trip_time; /* @ClientRoundTripTime; in hundredths of a
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* second */
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u32 requests; /* @Client{Access,}Requests */
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u32 retransmissions; /* @Client{Access,}Retransmissions */
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u32 access_accepts; /* radiusAuthClientAccessAccepts */
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u32 access_rejects; /* radiusAuthClientAccessRejects */
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u32 access_challenges; /* radiusAuthClientAccessChallenges */
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u32 responses; /* radiusAccClientResponses */
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u32 malformed_responses; /* @ClientMalformed{Access,}Responses */
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u32 bad_authenticators; /* @ClientBadAuthenticators */
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u32 timeouts; /* @ClientTimeouts */
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u32 unknown_types; /* @ClientUnknownTypes */
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u32 packets_dropped; /* @ClientPacketsDropped */
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/* @ClientPendingRequests: length of hapd->radius->msgs for matching
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* msg_type */
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};
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struct hostapd_radius_servers {
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/* RADIUS Authentication and Accounting servers in priority order */
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struct hostapd_radius_server *auth_servers, *auth_server;
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int num_auth_servers;
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struct hostapd_radius_server *acct_servers, *acct_server;
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int num_acct_servers;
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int retry_primary_interval;
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int acct_interim_interval;
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int msg_dumps;
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};
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typedef enum {
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RADIUS_AUTH,
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RADIUS_ACCT,
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RADIUS_ACCT_INTERIM /* used only with radius_client_send(); just like
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* RADIUS_ACCT, but removes any pending interim
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* RADIUS Accounting packages for the same STA
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* before sending the new interim update */
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} RadiusType;
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typedef enum {
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RADIUS_RX_PROCESSED,
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RADIUS_RX_QUEUED,
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RADIUS_RX_UNKNOWN,
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RADIUS_RX_INVALID_AUTHENTICATOR
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} RadiusRxResult;
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struct radius_client_data;
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int radius_client_register(struct radius_client_data *radius,
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RadiusType msg_type,
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RadiusRxResult (*handler)
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(struct radius_msg *msg, struct radius_msg *req,
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u8 *shared_secret, size_t shared_secret_len,
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void *data),
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void *data);
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int radius_client_send(struct radius_client_data *radius,
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struct radius_msg *msg,
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RadiusType msg_type, const u8 *addr);
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u8 radius_client_get_id(struct radius_client_data *radius);
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void radius_client_flush(struct radius_client_data *radius, int only_auth);
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struct radius_client_data *
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radius_client_init(void *ctx, struct hostapd_radius_servers *conf);
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void radius_client_deinit(struct radius_client_data *radius);
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void radius_client_flush_auth(struct radius_client_data *radius, u8 *addr);
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int radius_client_get_mib(struct radius_client_data *radius, char *buf,
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size_t buflen);
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struct radius_client_data *
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radius_client_reconfig(struct radius_client_data *old, void *ctx,
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struct hostapd_radius_servers *oldconf,
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struct hostapd_radius_servers *newconf);
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#endif /* RADIUS_CLIENT_H */
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