1 /* 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright 1999 Internet Business Solutions Ltd., Switzerland 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 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 */ 134