libradius/radlib_private.h

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DEFINITIONS

This source file includes following functions.

/*-
 * Copyright 1998 Juniper Networks, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *      $FreeBSD: src/lib/libradius/radlib_private.h,v 1.4 1999/10/31 04:47:59 jdp Exp $
 */

#ifndef RADLIB_PRIVATE_H
#define RADLIB_PRIVATE_H

#include <sys/types.h>
#include <netinet/in.h>

#include "radlib.h"

/* Handle types */
#define RADIUS_AUTH             0   /* RADIUS authentication, default */
#define RADIUS_ACCT             1   /* RADIUS accounting */

/* Defaults */
#define MAXTRIES                3
#define PATH_RADIUS_CONF        "/etc/radius.conf"
#define RADIUS_PORT             1812
#define RADACCT_PORT            1813
#define TIMEOUT                 3       /* In seconds */

/* Limits */
#define ERRSIZE         128             /* Maximum error message length */
#define MAXCONFLINE     1024            /* Maximum config file line length */
#define MAXSERVERS      10              /* Maximum number of servers to try */
#define MSGSIZE         4096            /* Maximum RADIUS message */
#define PASSSIZE        128             /* Maximum significant password chars */

/* Positions of fields in RADIUS messages */
#define POS_CODE        0               /* Message code */
#define POS_IDENT       1               /* Identifier */
#define POS_LENGTH      2               /* Message length */
#define POS_AUTH        4               /* Authenticator */
#define LEN_AUTH        16              /* Length of authenticator */
#define POS_ATTRS       20              /* Start of attributes */

struct rad_server {
        struct sockaddr_in addr;        /* Address of server */
        char            *secret;        /* Shared secret */
        int              timeout;       /* Timeout in seconds */
        int              max_tries;     /* Number of tries before giving up */
        int              num_tries;     /* Number of tries so far */
};

struct rad_handle {
        int              fd;            /* Socket file descriptor */
        struct rad_server servers[MAXSERVERS];  /* Servers to contact */
        int              num_servers;   /* Number of valid server entries */
        int              ident;         /* Current identifier value */
        char             errmsg[ERRSIZE];       /* Most recent error message */
        unsigned char    request[MSGSIZE];      /* Request to send */
        int              req_len;       /* Length of request */
        char             pass[PASSSIZE];        /* Cleartext password */
        int              pass_len;      /* Length of cleartext password */
        int              pass_pos;      /* Position of scrambled password */
        char             chap_pass;     /* Have we got a CHAP_PASSWORD ? */
        unsigned char    response[MSGSIZE];     /* Response received */
        int              resp_len;      /* Length of response */
        int              resp_pos;      /* Current position scanning attrs */
        int              total_tries;   /* How many requests we'll send */
        int              try;           /* How many requests we've sent */
        int              srv;           /* Server number we did last */
        int              type;          /* Handle type */
};

#endif

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