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  * $FreeBSD$
  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
  35 #define RPI_DEFAULT             1
  36 #define RPI_PID                 2
  37 #define RPI_IFNUM               3
  38 #define RPI_TUNNUM              4
  39
  40 struct radius {
  41   struct fdescriptor desc;      /* We're a sort of (selectable) fdescriptor */
  42   struct {
  43     int fd;                     /* We're selecting on this */
  44     struct rad_handle *rad;     /* Using this to talk to our lib */
  45     struct pppTimer timer;      /* for this long */
  46     struct authinfo *auth;      /* Tell this about success/failure */
  47   } cx;
  48   unsigned valid : 1;           /* Is this structure valid ? */
  49   unsigned vj : 1;              /* FRAMED Compression */
  50   struct in_addr ip;            /* FRAMED IP */
  51   struct in_addr mask;          /* FRAMED Netmask */
  52   unsigned long mtu;            /* FRAMED MTU */
  53   unsigned long sessiontime;    /* Session-Timeout */
  54   char *filterid;               /* FRAMED Filter Id */
  55   struct sticky_route *routes;  /* FRAMED Routes */
  56   char *msrepstr;               /* MS-CHAP2-Response */
  57   char *repstr;                 /* Reply-Message */
  58   char *errstr;                 /* Error-Message */
  59 #ifndef NOINET6
  60   uint8_t *ipv6prefix;          /* FRAMED IPv6 Prefix */
  61   struct sticky_route *ipv6routes;  /* FRAMED IPv6 Routes */
  62 #endif
  63   struct {
  64     int policy;                 /* MPPE_POLICY_* */
  65     int types;                  /* MPPE_TYPE_*BIT bitmask */
  66     char *recvkey;
  67     size_t recvkeylen;
  68     char *sendkey;
  69     size_t sendkeylen;
  70   } mppe;
  71   struct {
  72     char file[PATH_MAX];        /* Radius config file */
  73   } cfg;
  74   struct {
  75     struct pppTimer timer;      /* for this long */
  76     int interval;
  77   } alive;
  78   short unsigned int port_id_type;
  79 };
  80
  81 struct radacct {
  82   struct radius *rad_parent;    /* "Parent" struct radius stored in bundle */
  83   char user_name[AUTHLEN];      /* Session User-Name */
  84   char session_id[256];         /* Unique session ID */
  85   char multi_session_id[51];    /* Unique MP session ID */
  86   int  authentic;               /* How the session has been authenticated */
  87   u_short proto;                /* Protocol number */
  88   union {
  89     struct {
  90       struct in_addr addr;
  91       struct in_addr mask;
  92     } ip;
  93 #ifndef NOINET6
  94     struct {
  95       u_char ifid[8];
  96     } ipv6;
  97 #endif
  98   } peer;
  99 };
 100
 101 #define descriptor2radius(d) \
 102   ((d)->type == RADIUS_DESCRIPTOR ? (struct radius *)(d) : NULL)
 103
 104 struct bundle;
 105
 106 extern void radius_Flush(struct radius *);
 107 extern void radius_Init(struct radius *);
 108 extern void radius_Destroy(struct radius *);
 109
 110 extern void radius_Show(struct radius *, struct prompt *);
 111 extern void radius_StartTimer(struct bundle *);
 112 extern void radius_StopTimer(struct radius *);
 113 extern int radius_Authenticate(struct radius *, struct authinfo *,
 114                                const char *, const char *, int,
 115                                const char *, int);
 116 extern void radius_Account_Set_Ip(struct radacct *, struct in_addr *,
 117                                   struct in_addr *);
 118 #ifndef NOINET6
 119 extern void radius_Account_Set_Ipv6(struct radacct *, u_char *);
 120 #endif
 121 extern void radius_Account(struct radius *, struct radacct *,
 122                            struct datalink *, int, struct pppThroughput *);
 123
 124 /* An (int) parameter to radius_Account, from radlib.h */
 125 #if !defined(RAD_START)
 126 #define RAD_START       1
 127 #define RAD_STOP        2
 128 #endif
 129
 130 #define RAD_ALIVE       3
 131
 132 /* Get address from NAS pool */
 133 #define RADIUS_INADDR_POOL      htonl(0xfffffffe)       /* 255.255.255.254 */