2 * $Id: radiusclient.h,v 1.7 2002/07/13 06:24:36 kad Exp $
4 * Copyright (C) 1995,1996,1997,1998 Lars Fenneberg
6 * Copyright 1992 Livingston Enterprises, Inc.
8 * Copyright 1992,1993, 1994,1995 The Regents of the University of Michigan
9 * and Merit Network, Inc. All Rights Reserved
11 * See the file COPYRIGHT for the respective terms and conditions.
12 * If the file is missing contact me at lf@elemental.net
13 * and I'll send you a copy.
17 #ifndef RADIUSCLIENT_H
18 #define RADIUSCLIENT_H
20 #include <sys/types.h>
27 # define __BEGIN_DECLS extern "C" {
28 # define __END_DECLS }
30 # define __BEGIN_DECLS /* empty */
31 # define __END_DECLS /* empty */
35 #if defined (__STDC__) || defined (_AIX) || (defined (__mips) && defined (_SYSTYPE_SVR4)) || defined(WIN32) || defined(__cplusplus)
36 # define __P(protos) protos
38 # define __P(protos) ()
43 typedef unsigned int UINT4;
46 typedef unsigned long UINT4;
51 #define AUTH_VECTOR_LEN 16
52 #define AUTH_PASS_LEN (3 * 16) /* multiple of 16 */
53 #define AUTH_ID_LEN 64
54 #define AUTH_STRING_LEN 128 /* maximum of 253 */
56 #define BUFFER_LEN 8192
58 #define NAME_LENGTH 32
59 #define GETSTR_LENGTH 128 /* must be bigger than AUTH_PASS_LEN */
61 /* codes for radius_buildreq, radius_getport, etc. */
65 /* defines for config.c */
69 #define AUTH_LOCAL_FST (1<<0)
70 #define AUTH_RADIUS_FST (1<<1)
71 #define AUTH_LOCAL_SND (1<<2)
72 #define AUTH_RADIUS_SND (1<<3)
74 typedef struct server {
76 char *name[SERVER_MAX];
77 unsigned short port[SERVER_MAX];
80 typedef struct pw_auth_hdr
85 u_char vector[AUTH_VECTOR_LEN];
89 #define AUTH_HDR_LEN 20
90 #define MAX_SECRET_LENGTH (3 * 16) /* MUST be multiple of 16 */
91 #define CHAP_VALUE_LENGTH 16
93 #define PW_AUTH_UDP_PORT 1812
94 #define PW_ACCT_UDP_PORT 1813
96 #define PW_TYPE_STRING 0
97 #define PW_TYPE_INTEGER 1
98 #define PW_TYPE_IPADDR 2
99 #define PW_TYPE_DATE 3
101 /* standard RADIUS codes */
103 #define PW_ACCESS_REQUEST 1
104 #define PW_ACCESS_ACCEPT 2
105 #define PW_ACCESS_REJECT 3
106 #define PW_ACCOUNTING_REQUEST 4
107 #define PW_ACCOUNTING_RESPONSE 5
108 #define PW_ACCOUNTING_STATUS 6
109 #define PW_PASSWORD_REQUEST 7
110 #define PW_PASSWORD_ACK 8
111 #define PW_PASSWORD_REJECT 9
112 #define PW_ACCOUNTING_MESSAGE 10
113 #define PW_ACCESS_CHALLENGE 11
114 #define PW_STATUS_SERVER 12
115 #define PW_STATUS_CLIENT 13
118 /* standard RADIUS attribute-value pairs */
120 #define PW_USER_NAME 1 /* string */
121 #define PW_USER_PASSWORD 2 /* string */
122 #define PW_CHAP_PASSWORD 3 /* string */
123 #define PW_NAS_IP_ADDRESS 4 /* ipaddr */
124 #define PW_NAS_PORT 5 /* integer */
125 #define PW_SERVICE_TYPE 6 /* integer */
126 #define PW_FRAMED_PROTOCOL 7 /* integer */
127 #define PW_FRAMED_IP_ADDRESS 8 /* ipaddr */
128 #define PW_FRAMED_IP_NETMASK 9 /* ipaddr */
129 #define PW_FRAMED_ROUTING 10 /* integer */
130 #define PW_FILTER_ID 11 /* string */
131 #define PW_FRAMED_MTU 12 /* integer */
132 #define PW_FRAMED_COMPRESSION 13 /* integer */
133 #define PW_LOGIN_IP_HOST 14 /* ipaddr */
134 #define PW_LOGIN_SERVICE 15 /* integer */
135 #define PW_LOGIN_PORT 16 /* integer */
136 #define PW_OLD_PASSWORD 17 /* string */ /* deprecated */
137 #define PW_REPLY_MESSAGE 18 /* string */
138 #define PW_LOGIN_CALLBACK_NUMBER 19 /* string */
139 #define PW_FRAMED_CALLBACK_ID 20 /* string */
140 #define PW_EXPIRATION 21 /* date */ /* deprecated */
141 #define PW_FRAMED_ROUTE 22 /* string */
142 #define PW_FRAMED_IPX_NETWORK 23 /* integer */
143 #define PW_STATE 24 /* string */
144 #define PW_CLASS 25 /* string */
145 #define PW_VENDOR_SPECIFIC 26 /* string */
146 #define PW_SESSION_TIMEOUT 27 /* integer */
147 #define PW_IDLE_TIMEOUT 28 /* integer */
148 #define PW_TERMINATION_ACTION 29 /* integer */
149 #define PW_CALLED_STATION_ID 30 /* string */
150 #define PW_CALLING_STATION_ID 31 /* string */
151 #define PW_NAS_IDENTIFIER 32 /* string */
152 #define PW_PROXY_STATE 33 /* string */
153 #define PW_LOGIN_LAT_SERVICE 34 /* string */
154 #define PW_LOGIN_LAT_NODE 35 /* string */
155 #define PW_LOGIN_LAT_GROUP 36 /* string */
156 #define PW_FRAMED_APPLETALK_LINK 37 /* integer */
157 #define PW_FRAMED_APPLETALK_NETWORK 38 /* integer */
158 #define PW_FRAMED_APPLETALK_ZONE 39 /* string */
159 #define PW_CHAP_CHALLENGE 60 /* string */
160 #define PW_NAS_PORT_TYPE 61 /* integer */
161 #define PW_PORT_LIMIT 62 /* integer */
162 #define PW_LOGIN_LAT_PORT 63 /* string */
164 /* Vendor RADIUS attribute-value pairs */
165 #define PW_MS_CHAP_CHALLENGE 11 /* string */
166 #define PW_MS_CHAP_RESPONSE 1 /* string */
167 #define PW_MS_CHAP2_RESPONSE 25 /* string */
168 #define PW_MS_CHAP2_SUCCESS 26 /* string */
169 #define PW_MS_MPPE_ENCRYPTION_POLICY 7 /* string */
170 #define PW_MS_MPPE_ENCRYPTION_TYPE 8 /* string */
171 #define PW_MS_MPPE_ENCRYPTION_TYPES PW_MS_MPPE_ENCRYPTION_TYPE
172 #define PW_MS_CHAP_MPPE_KEYS 12 /* string */
173 #define PW_MS_MPPE_SEND_KEY 16 /* string */
174 #define PW_MS_MPPE_RECV_KEY 17 /* string */
178 #define PW_ACCT_STATUS_TYPE 40 /* integer */
179 #define PW_ACCT_DELAY_TIME 41 /* integer */
180 #define PW_ACCT_INPUT_OCTETS 42 /* integer */
181 #define PW_ACCT_OUTPUT_OCTETS 43 /* integer */
182 #define PW_ACCT_SESSION_ID 44 /* string */
183 #define PW_ACCT_AUTHENTIC 45 /* integer */
184 #define PW_ACCT_SESSION_TIME 46 /* integer */
185 #define PW_ACCT_INPUT_PACKETS 47 /* integer */
186 #define PW_ACCT_OUTPUT_PACKETS 48 /* integer */
187 #define PW_ACCT_TERMINATE_CAUSE 49 /* integer */
188 #define PW_ACCT_MULTI_SESSION_ID 50 /* string */
189 #define PW_ACCT_LINK_COUNT 51 /* integer */
191 /* Merit Experimental Extensions */
193 #define PW_USER_ID 222 /* string */
194 #define PW_USER_REALM 223 /* string */
198 #define PW_SESSION_OCTETS_LIMIT 227 /* integer */
199 #define PW_OCTETS_DIRECTION 228 /* integer */
201 /* Integer Translations */
207 #define PW_CALLBACK_LOGIN 3
208 #define PW_CALLBACK_FRAMED 4
209 #define PW_OUTBOUND 5
210 #define PW_ADMINISTRATIVE 6
211 #define PW_NAS_PROMPT 7
212 #define PW_AUTHENTICATE_ONLY 8
213 #define PW_CALLBACK_NAS_PROMPT 9
215 /* FRAMED PROTOCOLS */
221 #define PW_XYLOGICS 5
223 /* FRAMED ROUTING VALUES */
226 #define PW_BROADCAST 1
228 #define PW_BROADCAST_LISTEN 3
230 /* FRAMED COMPRESSION TYPES */
232 #define PW_VAN_JACOBSON_TCP_IP 1
233 #define PW_IPX_HEADER_COMPRESSION 2
239 #define PW_TCP_CLEAR 2
240 #define PW_PORTMASTER 3
243 #define PW_X25_T3POS 6
245 /* TERMINATION ACTIONS */
248 #define PW_RADIUS_REQUEST 1
250 /* PROHIBIT PROTOCOL */
252 #define PW_DUMB 0 /* 1 and 2 are defined in FRAMED PROTOCOLS */
253 #define PW_AUTH_ONLY 3
256 /* ACCOUNTING STATUS TYPES */
258 #define PW_STATUS_START 1
259 #define PW_STATUS_STOP 2
260 #define PW_STATUS_ALIVE 3
261 #define PW_STATUS_MODEM_START 4
262 #define PW_STATUS_MODEM_STOP 5
263 #define PW_STATUS_CANCEL 6
264 #define PW_ACCOUNTING_ON 7
265 #define PW_ACCOUNTING_OFF 8
267 /* ACCOUNTING TERMINATION CAUSES */
269 #define PW_USER_REQUEST 1
270 #define PW_LOST_CARRIER 2
271 #define PW_LOST_SERVICE 3
272 #define PW_ACCT_IDLE_TIMEOUT 4
273 #define PW_ACCT_SESSION_TIMEOUT 5
274 #define PW_ADMIN_RESET 6
275 #define PW_ADMIN_REBOOT 7
276 #define PW_PORT_ERROR 8
277 #define PW_NAS_ERROR 9
278 #define PW_NAS_REQUEST 10
279 #define PW_NAS_REBOOT 11
280 #define PW_PORT_UNNEEDED 12
281 #define PW_PORT_PREEMPTED 13
282 #define PW_PORT_SUSPENDED 14
283 #define PW_SERVICE_UNAVAILABLE 15
284 #define PW_CALLBACK 16
285 #define PW_USER_ERROR 17
286 #define PW_HOST_REQUEST 18
292 #define PW_ISDN_SYNC 2
293 #define PW_ISDN_SYNC_V120 3
294 #define PW_ISDN_SYNC_V110 4
297 /* AUTHENTIC TYPES */
302 /* Session-Octets-Limit */
303 #define PW_OCTETS_DIRECTION_SUM 0
304 #define PW_OCTETS_DIRECTION_IN 1
305 #define PW_OCTETS_DIRECTION_OUT 2
306 #define PW_OCTETS_DIRECTION_MAX 3
310 #define VENDOR_NONE (-1)
311 #define VENDOR_MICROSOFT 311
313 /* Server data structures */
315 typedef struct dict_attr
317 char name[NAME_LENGTH + 1]; /* attribute name */
318 int value; /* attribute index */
319 int type; /* string, int, etc. */
320 int vendorcode; /* vendor code */
321 struct dict_attr *next;
324 typedef struct dict_value
326 char attrname[NAME_LENGTH +1];
327 char name[NAME_LENGTH + 1];
329 struct dict_value *next;
332 typedef struct vendor_dict
334 char vendorname[NAME_LENGTH + 1];
336 DICT_ATTR *attributes;
337 struct vendor_dict *next;
340 typedef struct value_pair
342 char name[NAME_LENGTH + 1];
347 u_char strvalue[AUTH_STRING_LEN + 1];
348 struct value_pair *next;
351 /* don't change this, as it has to be the same as in the Merit radiusd code */
352 #define MGMT_POLL_SECRET "Hardlyasecret"
354 /* Define return codes from "SendServer" utility */
356 #define BADRESP_RC -2
361 typedef struct send_data /* Used to pass information to sendserver() function */
363 u_char code; /* RADIUS packet code */
364 u_char seq_nbr; /* Packet sequence number */
365 char *server; /* Name/addrress of RADIUS server */
366 int svc_port; /* RADIUS protocol destination port */
367 int timeout; /* Session timeout in seconds */
369 VALUE_PAIR *send_pairs; /* More a/v pairs to send */
370 VALUE_PAIR *receive_pairs; /* Where to place received a/v pairs */
373 typedef struct request_info
375 char secret[MAX_SECRET_LENGTH + 1];
376 u_char request_vector[AUTH_VECTOR_LEN];
380 #define MIN(a, b) ((a) < (b) ? (a) : (b))
383 #define MAX(a, b) ((a) > (b) ? (a) : (b))
387 #define PATH_MAX 1024
400 /* Function prototypes */
404 VALUE_PAIR *rc_avpair_add __P((VALUE_PAIR **, int, void *, int, int));
405 int rc_avpair_assign __P((VALUE_PAIR *, void *, int));
406 VALUE_PAIR *rc_avpair_new __P((int, void *, int, int));
407 VALUE_PAIR *rc_avpair_gen __P((AUTH_HDR *));
408 VALUE_PAIR *rc_avpair_get __P((VALUE_PAIR *, UINT4));
409 void rc_avpair_insert __P((VALUE_PAIR **, VALUE_PAIR *, VALUE_PAIR *));
410 void rc_avpair_free __P((VALUE_PAIR *));
411 int rc_avpair_parse __P((char *, VALUE_PAIR **));
412 int rc_avpair_tostr __P((VALUE_PAIR *, char *, int, char *, int));
413 VALUE_PAIR *rc_avpair_readin __P((FILE *));
417 void rc_buildreq __P((SEND_DATA *, int, char *, unsigned short, int, int));
418 unsigned char rc_get_seqnbr __P((void));
419 int rc_auth __P((UINT4, VALUE_PAIR *, VALUE_PAIR **, char *, REQUEST_INFO *));
420 int rc_auth_using_server __P((SERVER *, UINT4, VALUE_PAIR *, VALUE_PAIR **,
421 char *, REQUEST_INFO *));
422 int rc_auth_proxy __P((VALUE_PAIR *, VALUE_PAIR **, char *));
423 int rc_acct __P((UINT4, VALUE_PAIR *));
424 int rc_acct_using_server __P((SERVER *, UINT4, VALUE_PAIR *));
425 int rc_acct_proxy __P((VALUE_PAIR *));
426 int rc_check __P((char *, unsigned short, char *));
430 int rc_read_mapfile __P((char *));
431 UINT4 rc_map2id __P((char *));
435 int rc_read_config __P((char *));
436 char *rc_conf_str __P((char *));
437 int rc_conf_int __P((char *));
438 SERVER *rc_conf_srv __P((char *));
439 int rc_find_server __P((char *, UINT4 *, char *));
443 int rc_read_dictionary __P((char *));
444 DICT_ATTR *rc_dict_getattr __P((int, int));
445 DICT_ATTR *rc_dict_findattr __P((char *));
446 DICT_VALUE *rc_dict_findval __P((char *));
447 DICT_VALUE * rc_dict_getval __P((UINT4, char *));
448 VENDOR_DICT * rc_dict_findvendor __P((char *));
449 VENDOR_DICT * rc_dict_getvendor __P((int));
453 UINT4 rc_get_ipaddr __P((char *));
454 int rc_good_ipaddr __P((char *));
455 const char *rc_ip_hostname __P((UINT4));
456 unsigned short rc_getport __P((int));
457 int rc_own_hostname __P((char *, int));
458 UINT4 rc_own_ipaddress __P((void));
463 void rc_openlog __P((char *));
464 void rc_log __P((int, const char *, ...));
468 int rc_send_server __P((SEND_DATA *, char *, REQUEST_INFO *));
472 void rc_str2tm __P((char *, struct tm *));
473 char *rc_mksid __P((void));
474 char *rc_getifname __P((char *));
475 char *rc_getstr __P((char *, int));
476 void rc_mdelay __P((int));
477 char *rc_mksid __P((void));
481 struct env *rc_new_env __P((int));
482 void rc_free_env __P((struct env *));
483 int rc_add_env __P((struct env *, char *, char *));
484 int rc_import_env __P((struct env *, char **));
488 void rc_md5_calc __P((unsigned char *, unsigned char *, unsigned int));
492 #endif /* RADIUSCLIENT_H */