usr.sbin/ppp/radius.h

   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: src/usr.sbin/ppp/radius.h,v 1.3.2.4 2002/09/01 02:12:32 brian Exp $
  27  * $DragonFly: src/usr.sbin/ppp/radius.h,v 1.2 2003/06/17 04:30:01 dillon Exp $
  28  */
  29
  30 #define MPPE_POLICY_ALLOWED     1
  31 #define MPPE_POLICY_REQUIRED    2
  32
  33 #define MPPE_TYPE_40BIT         2
  34 #define MPPE_TYPE_128BIT        4
  35
  36 struct radius {
  37   struct fdescriptor desc;      /* We're a sort of (selectable) fdescriptor */
  38   struct {
  39     int fd;                     /* We're selecting on this */
  40     struct rad_handle *rad;     /* Using this to talk to our lib */
  41     struct pppTimer timer;      /* for this long */
  42     struct authinfo *auth;      /* Tell this about success/failure */
  43   } cx;
  44   unsigned valid : 1;           /* Is this structure valid ? */
  45   unsigned vj : 1;              /* FRAMED Compression */
  46   struct in_addr ip;            /* FRAMED IP */
  47   struct in_addr mask;          /* FRAMED Netmask */
  48   unsigned long mtu;            /* FRAMED MTU */
  49   unsigned long sessiontime;    /* Session-Timeout */
  50   char *filterid;               /* FRAMED Filter Id */
  51   struct sticky_route *routes;  /* FRAMED Routes */
  52   char *msrepstr;               /* MS-CHAP2-Response */
  53   char *repstr;                 /* Reply-Message */
  54   char *errstr;                 /* Error-Message */
  55   struct {
  56     int policy;                 /* MPPE_POLICY_* */
  57     int types;                  /* MPPE_TYPE_*BIT bitmask */
  58     char *recvkey;
  59     size_t recvkeylen;
  60     char *sendkey;
  61     size_t sendkeylen;
  62   } mppe;
  63   struct {
  64     char file[PATH_MAX];        /* Radius config file */
  65   } cfg;
  66 };
  67
  68 struct radacct {
  69   struct radius *rad_parent;    /* "Parent" struct radius stored in bundle */
  70   char user_name[AUTHLEN];      /* Session User-Name */
  71   char session_id[256];         /* Unique session ID */
  72   char multi_session_id[51];    /* Unique MP session ID */
  73   int  authentic;               /* How the session has been authenticated */
  74   struct in_addr ip;
  75   struct in_addr mask;
  76 };
  77
  78 #define descriptor2radius(d) \
  79   ((d)->type == RADIUS_DESCRIPTOR ? (struct radius *)(d) : NULL)
  80
  81 struct bundle;
  82
  83 extern void radius_Init(struct radius *);
  84 extern void radius_Destroy(struct radius *);
  85
  86 extern void radius_Show(struct radius *, struct prompt *);
  87 extern int radius_Authenticate(struct radius *, struct authinfo *,
  88                                const char *, const char *, int,
  89                                const char *, int);
  90 extern void radius_Account(struct radius *, struct radacct *,
  91                            struct datalink *, int, struct in_addr *,
  92                            struct in_addr *, struct pppThroughput *);
  93
  94 /* An (int) parameter to radius_Account, from radlib.h */
  95 #if !defined(RAD_START)
  96 #define RAD_START       1
  97 #define RAD_STOP        2
  98 #endif
  99
 100 /* Get address from NAS pool */
 101 #define RADIUS_INADDR_POOL      htonl(0xfffffffe)       /* 255.255.255.254 */