radlib_private.h revision 43662 
1/*-
2 * Copyright 1998 Juniper Networks, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 *	$FreeBSD: head/lib/libradius/radlib_private.h 43662 1999-02-05 11:23:44Z brian $
27 */
28
29#ifndef RADLIB_PRIVATE_H
30#define RADLIB_PRIVATE_H
31
32#include <sys/types.h>
33#include <netinet/in.h>
34
35#include "radlib.h"
36
37/* Defaults */
38#define MAXTRIES		3
39#define PATH_RADIUS_CONF	"/etc/radius.conf"
40#define RADIUS_PORT		1812
41#define TIMEOUT			3	/* In seconds */
42
43/* Limits */
44#define ERRSIZE		128		/* Maximum error message length */
45#define MAXCONFLINE	1024		/* Maximum config file line length */
46#define MAXSERVERS	10		/* Maximum number of servers to try */
47#define MSGSIZE		4096		/* Maximum RADIUS message */
48#define PASSSIZE	128		/* Maximum significant password chars */
49
50/* Positions of fields in RADIUS messages */
51#define POS_CODE	0		/* Message code */
52#define POS_IDENT	1		/* Identifier */
53#define POS_LENGTH	2		/* Message length */
54#define POS_AUTH	4		/* Authenticator */
55#define LEN_AUTH	16		/* Length of authenticator */
56#define POS_ATTRS	20		/* Start of attributes */
57
58struct rad_server {
59	struct sockaddr_in addr;	/* Address of server */
60	char		*secret;	/* Shared secret */
61	int		 timeout;	/* Timeout in seconds */
62	int		 max_tries;	/* Number of tries before giving up */
63	int		 num_tries;	/* Number of tries so far */
64};
65
66struct rad_handle {
67	int		 fd;		/* Socket file descriptor */
68	struct rad_server servers[MAXSERVERS];	/* Servers to contact */
69	int		 num_servers;	/* Number of valid server entries */
70	int		 ident;		/* Current identifier value */
71	char		 errmsg[ERRSIZE];	/* Most recent error message */
72	unsigned char	 request[MSGSIZE];	/* Request to send */
73	int		 req_len;	/* Length of request */
74	char		 pass[PASSSIZE];	/* Cleartext password */
75	int		 pass_len;	/* Length of cleartext password */
76	int		 pass_pos;	/* Position of scrambled password */
77	char	 	 chap_pass;	/* Have we got a CHAP_PASSWORD ? */
78	unsigned char	 response[MSGSIZE];	/* Response received */
79	int		 resp_len;	/* Length of response */
80	int		 resp_pos;	/* Current position scanning attrs */
81	int		 total_tries;	/* How many requests we'll send */
82	int		 try;		/* How many requests we've sent */
83	int		 srv;		/* Server number we did last */
84};
85
86#endif
87