radius_client.h

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#ifndef RADIUS_CLIENT_H
#define RADIUS_CLIENT_H

#include "ip_addr.h"

struct radius_msg;

struct hostapd_radius_server {
        struct hostapd_ip_addr addr;

        int port;

        u8 *shared_secret;

        size_t shared_secret_len;

        /* Dynamic (not from configuration file) MIB data */

        int index;

        int round_trip_time;

        u32 requests;

        u32 retransmissions;

        u32 access_accepts;

        u32 access_rejects;

        u32 access_challenges;

        u32 responses;

        u32 malformed_responses;

        u32 bad_authenticators;

        u32 timeouts;

        u32 unknown_types;

        u32 packets_dropped;
};

struct hostapd_radius_servers {
        struct hostapd_radius_server *auth_servers;

        int num_auth_servers;

        struct hostapd_radius_server *auth_server;

        struct hostapd_radius_server *acct_servers;

        int num_acct_servers;

        struct hostapd_radius_server *acct_server;

        int retry_primary_interval;

        int msg_dumps;

        struct hostapd_ip_addr client_addr;

        int force_client_addr;
};


typedef enum {
        RADIUS_AUTH,

        RADIUS_ACCT,

        RADIUS_ACCT_INTERIM
} RadiusType;

typedef enum {
        RADIUS_RX_PROCESSED,

        RADIUS_RX_QUEUED,

        RADIUS_RX_UNKNOWN,

        RADIUS_RX_INVALID_AUTHENTICATOR
} RadiusRxResult;

struct radius_client_data;

int radius_client_register(struct radius_client_data *radius,
                           RadiusType msg_type,
                           RadiusRxResult (*handler)
                           (struct radius_msg *msg, struct radius_msg *req,
                            const u8 *shared_secret, size_t shared_secret_len,
                            void *data),
                           void *data);
int radius_client_send(struct radius_client_data *radius,
                       struct radius_msg *msg,
                       RadiusType msg_type, const u8 *addr);
u8 radius_client_get_id(struct radius_client_data *radius);
void radius_client_flush(struct radius_client_data *radius, int only_auth);
struct radius_client_data *
radius_client_init(void *ctx, struct hostapd_radius_servers *conf);
void radius_client_deinit(struct radius_client_data *radius);
void radius_client_flush_auth(struct radius_client_data *radius,
                              const u8 *addr);
int radius_client_get_mib(struct radius_client_data *radius, char *buf,
                          size_t buflen);
void radius_client_reconfig(struct radius_client_data *radius,
                            struct hostapd_radius_servers *conf);

#endif /* RADIUS_CLIENT_H */