radius_das.h

/*
 * RADIUS Dynamic Authorization Server (DAS)
 * Copyright (c) 2012, Jouni Malinen <j@w1.fi>
 *
 * This software may be distributed under the terms of the BSD license.
 * See README for more details.
 */

#ifndef RADIUS_DAS_H
#define RADIUS_DAS_H

struct radius_das_data;

enum radius_das_res {
    RADIUS_DAS_SUCCESS,
    RADIUS_DAS_NAS_MISMATCH,
    RADIUS_DAS_SESSION_NOT_FOUND,
    RADIUS_DAS_MULTI_SESSION_MATCH,
};

struct radius_das_attrs {
    /* NAS identification attributes */
    const u8 *nas_ip_addr;
    const u8 *nas_identifier;
    size_t nas_identifier_len;
    const u8 *nas_ipv6_addr;

    /* Session identification attributes */
    const u8 *sta_addr;
    const u8 *user_name;
    size_t user_name_len;
    const u8 *acct_session_id;
    size_t acct_session_id_len;
    const u8 *acct_multi_session_id;
    size_t acct_multi_session_id_len;
    const u8 *cui;
    size_t cui_len;
};

struct radius_das_conf {
    int port;
    const u8 *shared_secret;
    size_t shared_secret_len;
    const struct hostapd_ip_addr *client_addr;
    unsigned int time_window;
    int require_event_timestamp;
    int require_message_authenticator;
    void *ctx;
    enum radius_das_res (*disconnect)(void *ctx,
                      struct radius_das_attrs *attr);
};

struct radius_das_data *
radius_das_init(struct radius_das_conf *conf);

void radius_das_deinit(struct radius_das_data *data);

#endif /* RADIUS_DAS_H */