/*      $OpenBSD: radiusd.h,v 1.9 2024/07/14 15:27:57 yasuoka Exp $     */

#ifndef RADIUSD_H
#define RADIUSD_H 1
/*
 * Copyright (c) 2013 Internet Initiative Japan Inc.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
#include <sys/types.h>
#include <stdint.h>
#include <stdbool.h>

#define RADIUSD_MODULE_NAME_LEN         32
#define RADIUSD_SECRET_MAX              128
#define RADIUSD_SOCK                    "/var/run/radiusd.sock"
#define RADIUSD_USER                    "_radiusd"

enum imsg_type {
        IMSG_NONE = 0,
        IMSG_OK,
        IMSG_NG,
        IMSG_RADIUSD_MODULE_LOAD,
        IMSG_RADIUSD_MODULE_SET_CONFIG,
        IMSG_RADIUSD_MODULE_START,
        IMSG_RADIUSD_MODULE_NOTIFY_SECRET,
        IMSG_RADIUSD_MODULE_USERPASS,
        IMSG_RADIUSD_MODULE_USERPASS_OK,
        IMSG_RADIUSD_MODULE_USERPASS_FAIL,
        IMSG_RADIUSD_MODULE_ACCSREQ,
        /* Check the response's authenticator if the module doesn't */
        IMSG_RADIUSD_MODULE_ACCSREQ_ANSWER,
        IMSG_RADIUSD_MODULE_ACCSREQ_ABORTED,
        IMSG_RADIUSD_MODULE_ACCSREQ_NEXT, /* fall through to the next auth */
        IMSG_RADIUSD_MODULE_NEXTRES,      /* receive the respo from tht next */
        IMSG_RADIUSD_MODULE_REQDECO,
        IMSG_RADIUSD_MODULE_REQDECO_DONE,
        IMSG_RADIUSD_MODULE_RESDECO0_REQ, /* request pkt for RESDECO */
        IMSG_RADIUSD_MODULE_RESDECO,
        IMSG_RADIUSD_MODULE_RESDECO_DONE,
        IMSG_RADIUSD_MODULE_ACCTREQ,
        IMSG_RADIUSD_MODULE_CTRL_BIND,          /* request by module */
        IMSG_RADIUSD_MODULE_CTRL_UNBIND,        /* notice by control */
        IMSG_RADIUSD_MODULE_STOP,
        IMSG_RADIUSD_MODULE_MIN = 10000
};

/* Module sends LOAD when it becomes ready */
struct radiusd_module_load_arg {
        uint32_t        cap;    /* module capability bits */
#define RADIUSD_MODULE_CAP_USERPASS     0x01
#define RADIUSD_MODULE_CAP_ACCSREQ      0x02
#define RADIUSD_MODULE_CAP_REQDECO      0x04
#define RADIUSD_MODULE_CAP_RESDECO      0x08
#define RADIUSD_MODULE_CAP_ACCTREQ      0x10
#define RADIUSD_MODULE_CAP_CONTROL      0x20
#define RADIUSD_MODULE_CAP_NEXTRES      0x40
};

struct radiusd_module_object {
        size_t  size;
};

struct radiusd_module_set_arg {
        char    paramname[32];
        u_int   nparamval;
};

struct radiusd_module_userpass_arg {
        u_int   q_id;
        bool    has_pass;
        char    user[256];
        char    pass[256];
};

struct radiusd_module_radpkt_arg {
        u_int   q_id;
        bool    final;
        int     pktlen;         /* total length of radpkt */
};

#endif