lib/libradius/radlib_private.h

   1 /* $NetBSD: radlib_private.h,v 1.3 2005/03/26 04:38:21 christos Exp $ */
   2
   3 /*-
   4  * Copyright 1998 Juniper Networks, Inc.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  *
  28  *      $FreeBSD: /repoman/r/ncvs/src/lib/libradius/radlib_private.h,v 1.6 2004/04/27 15:00:29 ru Exp $
  29  */
  30
  31 #ifndef RADLIB_PRIVATE_H
  32 #define RADLIB_PRIVATE_H
  33
  34 #include <sys/types.h>
  35 #include <netinet/in.h>
  36
  37 #include "radlib.h"
  38 #include "radlib_vs.h"
  39
  40 /* Handle types */
  41 #define RADIUS_AUTH             0   /* RADIUS authentication, default */
  42 #define RADIUS_ACCT             1   /* RADIUS accounting */
  43
  44 /* Defaults */
  45 #define MAXTRIES                3
  46 #define PATH_RADIUS_CONF        "/etc/radius.conf"
  47 #define RADIUS_PORT             1812
  48 #define RADACCT_PORT            1813
  49 #define TIMEOUT                 3       /* In seconds */
  50
  51 /* Limits */
  52 #define ERRSIZE         128             /* Maximum error message length */
  53 #define MAXCONFLINE     1024            /* Maximum config file line length */
  54 #define MAXSERVERS      10              /* Maximum number of servers to try */
  55 #define MSGSIZE         4096            /* Maximum RADIUS message */
  56 #define PASSSIZE        128             /* Maximum significant password chars */
  57
  58 /* Positions of fields in RADIUS messages */
  59 #define POS_CODE        0               /* Message code */
  60 #define POS_IDENT       1               /* Identifier */
  61 #define POS_LENGTH      2               /* Message length */
  62 #define POS_AUTH        4               /* Authenticator */
  63 #define LEN_AUTH        16              /* Length of authenticator */
  64 #define POS_ATTRS       20              /* Start of attributes */
  65
  66 struct rad_server {
  67         struct sockaddr_in addr;        /* Address of server */
  68         char            *secret;        /* Shared secret */
  69         int              timeout;       /* Timeout in seconds */
  70         int              max_tries;     /* Number of tries before giving up */
  71         int              num_tries;     /* Number of tries so far */
  72 };
  73
  74 struct rad_handle {
  75         int              fd;            /* Socket file descriptor */
  76         struct rad_server servers[MAXSERVERS];  /* Servers to contact */
  77         size_t           num_servers;   /* Number of valid server entries */
  78         int              ident;         /* Current identifier value */
  79         char             errmsg[ERRSIZE];       /* Most recent error message */
  80         unsigned char    request[MSGSIZE];      /* Request to send */
  81         char             request_created; /* rad_create_request() called? */
  82         size_t           req_len;       /* Length of request */
  83         char             pass[PASSSIZE];        /* Cleartext password */
  84         size_t           pass_len;      /* Length of cleartext password */
  85         size_t           pass_pos;      /* Position of scrambled password */
  86         char             chap_pass;     /* Have we got a CHAP_PASSWORD ? */
  87         size_t           authentic_pos; /* Position of message authenticator */
  88         char             eap_msg;       /* Are we an EAP Proxy? */
  89         unsigned char    response[MSGSIZE];     /* Response received */
  90         size_t           resp_len;      /* Length of response */
  91         size_t           resp_pos;      /* Current position scanning attrs */
  92         size_t           total_tries;   /* How many requests we'll send */
  93         size_t           try;           /* How many requests we've sent */
  94         size_t           srv;           /* Server number we did last */
  95         int              type;          /* Handle type */
  96 };
  97
  98 struct vendor_attribute {
  99         u_int32_t vendor_value;
 100         u_char attrib_type;
 101         u_char attrib_len;
 102         u_char attrib_data[1];
 103 };
 104
 105 #endif