radius.h revision 140905 
1/*
2 * Copyright 1999 Internet Business Solutions Ltd., Switzerland
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/usr.sbin/ppp/radius.h 140905 2005-01-27 14:09:33Z brian $
27 */
28
29#define	MPPE_POLICY_ALLOWED	1
30#define	MPPE_POLICY_REQUIRED	2
31
32#define	MPPE_TYPE_40BIT		2
33#define	MPPE_TYPE_128BIT	4
34
35struct radius {
36  struct fdescriptor desc;	/* We're a sort of (selectable) fdescriptor */
37  struct {
38    int fd;			/* We're selecting on this */
39    struct rad_handle *rad;	/* Using this to talk to our lib */
40    struct pppTimer timer;	/* for this long */
41    struct authinfo *auth;	/* Tell this about success/failure */
42  } cx;
43  unsigned valid : 1;           /* Is this structure valid ? */
44  unsigned vj : 1;              /* FRAMED Compression */
45  struct in_addr ip;            /* FRAMED IP */
46  struct in_addr mask;          /* FRAMED Netmask */
47  unsigned long mtu;            /* FRAMED MTU */
48  unsigned long sessiontime;    /* Session-Timeout */
49  char *filterid;		/* FRAMED Filter Id */
50  struct sticky_route *routes;  /* FRAMED Routes */
51  char *msrepstr;		/* MS-CHAP2-Response */
52  char *repstr;			/* Reply-Message */
53  char *errstr;			/* Error-Message */
54#ifndef NOINET6
55  uint8_t *ipv6prefix;		/* FRAMED IPv6 Prefix */
56  struct sticky_route *ipv6routes;  /* FRAMED IPv6 Routes */
57#endif
58  struct {
59    int policy;			/* MPPE_POLICY_* */
60    int types;			/* MPPE_TYPE_*BIT bitmask */
61    char *recvkey;
62    size_t recvkeylen;
63    char *sendkey;
64    size_t sendkeylen;
65  } mppe;
66  struct {
67    char file[PATH_MAX];	/* Radius config file */
68  } cfg;
69  struct {
70    struct pppTimer timer;	/* for this long */
71    int interval;
72  } alive;
73};
74
75struct radacct {
76  struct radius *rad_parent;	/* "Parent" struct radius stored in bundle */
77  char user_name[AUTHLEN];	/* Session User-Name */
78  char session_id[256];		/* Unique session ID */
79  char multi_session_id[51];	/* Unique MP session ID */
80  int  authentic;		/* How the session has been authenticated */
81  u_short proto;		/* Protocol number */
82  union {
83    struct {
84      struct in_addr addr;
85      struct in_addr mask;
86    } ip;
87#ifndef NOINET6
88    struct {
89      u_char ifid[8];
90    } ipv6;
91#endif
92  } peer;
93};
94
95#define descriptor2radius(d) \
96  ((d)->type == RADIUS_DESCRIPTOR ? (struct radius *)(d) : NULL)
97
98struct bundle;
99
100extern void radius_Flush(struct radius *);
101extern void radius_Init(struct radius *);
102extern void radius_Destroy(struct radius *);
103
104extern void radius_Show(struct radius *, struct prompt *);
105extern void radius_StartTimer(struct bundle *);
106extern void radius_StopTimer(struct radius *);
107extern int radius_Authenticate(struct radius *, struct authinfo *,
108                               const char *, const char *, int,
109                               const char *, int);
110extern void radius_Account_Set_Ip(struct radacct *, struct in_addr *,
111				  struct in_addr *);
112#ifndef NOINET6
113extern void radius_Account_Set_Ipv6(struct radacct *, u_char *);
114#endif
115extern void radius_Account(struct radius *, struct radacct *,
116                           struct datalink *, int, struct pppThroughput *);
117
118/* An (int) parameter to radius_Account, from radlib.h */
119#if !defined(RAD_START)
120#define RAD_START	1
121#define RAD_STOP	2
122#endif
123
124#define RAD_ALIVE	3
125
126/* Get address from NAS pool */
127#define RADIUS_INADDR_POOL	htonl(0xfffffffe)	/* 255.255.255.254 */
128