packet-radius.c

   1 /* packet-radius.c
   2  * Routines for RADIUS packet disassembly
   3  * Copyright 1999 Johan Feyaerts
   4  *
   5  * $Id: packet-radius.c,v 1.41 2002/01/21 07:36:40 guy Exp $
   6  *
   7  * Ethereal - Network traffic analyzer
   8  * By Gerald Combs <gerald@ethereal.com>
   9  * Copyright 1998 Gerald Combs
  10  *
  11  * This program is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU General Public License
  13  * as published by the Free Software Foundation; either version 2
  14  * of the License, or (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  24  */
  25
  26 #ifdef HAVE_CONFIG_H
  27 #include "config.h"
  28 #endif
  29
  30 #ifdef HAVE_SYS_TYPES_H
  31 # include <sys/types.h>
  32 #endif
  33
  34 #ifdef HAVE_NETINET_IN_H
  35 #include <netinet/in.h>
  36 #endif
  37
  38 #include <stdio.h>
  39 #include <stdlib.h>
  40 #include <string.h>
  41 #include <ctype.h>
  42 #include <glib.h>
  43 #include <time.h>
  44 #include <epan/packet.h>
  45 #include <epan/resolv.h>
  46
  47 static int proto_radius = -1;
  48 static int hf_radius_length = -1;
  49 static int hf_radius_code = -1;
  50 static int hf_radius_id =-1;
  51
  52 static gint ett_radius = -1;
  53 static gint ett_radius_avp = -1;
  54
  55 #define UDP_PORT_RADIUS         1645
  56 #define UDP_PORT_RADIUS_NEW     1812
  57 #define UDP_PORT_RADACCT        1646
  58 #define UDP_PORT_RADACCT_NEW    1813
  59
  60 typedef struct _e_radiushdr {
  61         guint8 rh_code;
  62         guint8 rh_ident;
  63         guint16 rh_pktlength;
  64 } e_radiushdr;
  65
  66 typedef struct _e_avphdr {
  67         guint8 avp_type;
  68         guint8 avp_length;
  69 } e_avphdr;
  70
  71 typedef struct _value_value_pair {
  72         guint16 val1;
  73         guint16 val2;
  74 } value_value_pair;
  75
  76 #define RADIUS_ACCESS_REQUEST 1
  77 #define RADIUS_ACCESS_ACCEPT  2
  78 #define RADIUS_ACCESS_REJECT  3
  79 #define RADIUS_ACCOUNTING_REQUEST 4
  80 #define RADIUS_ACCOUNTING_RESPONSE 5
  81 #define RADIUS_ACCESS_CHALLENGE 11
  82 #define RADIUS_STATUS_SERVER 12
  83 #define RADIUS_STATUS_CLIENT 13
  84 #define RADIUS_RESERVED 255
  85
  86 #define RD_TP_USER_NAME 1
  87 #define RD_TP_USER_PASSWORD 2
  88 #define RD_TP_CHAP_PASSWORD 3
  89 #define RD_TP_NAS_IP_ADDRESS 4
  90 #define RD_TP_NAS_PORT 5
  91 #define RD_TP_SERVICE_TYPE 6
  92 #define RD_TP_FRAMED_PROTOCOL 7
  93 #define RD_TP_FRAMED_IP_ADDRESS 8
  94 #define RD_TP_FRAMED_IP_NETMASK 9
  95 #define RD_TP_FRAMED_ROUTING 10
  96 #define RD_TP_FILTER_ID 11
  97 #define RD_TP_FRAMED_MTU 12
  98 #define RD_TP_FRAMED_COMPRESSION 13
  99 #define RD_TP_LOGIN_IP_HOST 14
 100 #define RD_TP_LOGIN_SERVICE 15
 101 #define RD_TP_LOGIN_TCP_PORT 16
 102 #define RD_TP_UNASSIGNED 17
 103 #define RD_TP_REPLY_MESSAGE 18
 104 #define RD_TP_CALLBACK_NUMBER 19
 105 #define RD_TP_CALLBACK_ID 20
 106 #define RD_TP_UNASSIGNED2 21
 107 #define RD_TP_FRAMED_ROUTE 22
 108 #define RD_TP_FRAMED_IPX_NETWORK 23
 109 #define RD_TP_STATE 24
 110 #define RD_TP_CLASS 25
 111 #define RD_TP_VENDOR_SPECIFIC 26
 112 #define RD_TP_SESSION_TIMEOUT 27
 113 #define RD_TP_IDLE_TIMEOUT 28
 114 #define RD_TP_TERMINATING_ACTION 29
 115 #define RD_TP_CALLED_STATION_ID 30
 116 #define RD_TP_CALLING_STATION_ID 31
 117 #define RD_TP_NAS_IDENTIFIER 32
 118 #define RD_TP_PROXY_STATE 33
 119 #define RD_TP_LOGIN_LAT_SERVICE 34
 120 #define RD_TP_LOGIN_LAT_NODE 35
 121 #define RD_TP_LOGIN_LAT_GROUP 36
 122 #define RD_TP_FRAMED_APPLETALK_LINK 37
 123 #define RD_TP_FRAMED_APPLETALK_NETWORK 38
 124 #define RD_TP_FRAMED_APPLETALK_ZONE 39
 125 #define RD_TP_ACCT_STATUS_TYPE 40
 126 #define RD_TP_ACCT_DELAY_TIME 41
 127 #define RD_TP_ACCT_INPUT_OCTETS 42
 128 #define RD_TP_ACCT_OUTPUT_OCTETS 43
 129 #define RD_TP_ACCT_SESSION_ID 44
 130 #define RD_TP_ACCT_AUTHENTIC 45
 131 #define RD_TP_ACCT_SESSION_TIME 46
 132 #define RD_TP_ACCT_INPUT_PACKETS 47
 133 #define RD_TP_ACCT_OUTPUT_PACKETS 48
 134 #define RD_TP_ACCT_TERMINATE_CAUSE 49
 135 #define RD_TP_ACCT_MULTI_SESSION_ID 50
 136 #define RD_TP_ACCT_LINK_COUNT 51
 137 #define RD_TP_ACCT_INPUT_GIGAWORDS 52
 138 #define RD_TP_ACCT_OUTPUT_GIGAWORDS 53
 139 #define RD_TP_EVENT_TIMESTAMP 55
 140 #define RD_TP_CHAP_CHALLENGE 60
 141 #define RD_TP_NAS_PORT_TYPE 61
 142 #define RD_TP_PORT_LIMIT 62
 143 #define RD_TP_LOGIN_LAT_PORT 63
 144 #define RD_TP_TUNNEL_TYPE 64
 145 #define RD_TP_TUNNEL_MEDIUM_TYPE 65
 146 #define RD_TP_TUNNEL_CLIENT_ENDPOINT 66
 147 #define RD_TP_TUNNEL_SERVER_ENDPOINT 67
 148 #define RD_TP_TUNNEL_CONNECTION 68
 149 #define RD_TP_TUNNEL_PASSWORD 69
 150 #define RD_TP_CONNECT_INFO 77
 151 #define RD_TP_MESSAGE_AUTHENTICATOR 80
 152 #define RD_TP_TUNNEL_PRIVATE_GROUP_ID 81
 153 #define RD_TP_TUNNEL_ASSIGNMENT_ID 82
 154 #define RD_TP_TUNNEL_TUNNEL_PREFERENCE 83
 155 #define RD_TP_TUNNEL_PACKETS_LOST 86
 156 #define RD_TP_NAS_PORT_ID 87
 157 #define RD_TP_TUNNEL_CLIENT_AUTH_ID 90
 158 #define RD_TP_TUNNEL_SERVER_AUTH_ID 91
 159 #define RD_TP_ASCEND_MODEM_PORTNO 120
 160 #define RD_TP_ASCEND_MODEM_SLOTNO 121
 161 #define RD_TP_ASCEND_MULTILINK_ID 187
 162 #define RD_TP_ASCEND_NUM_IN_MULTILINK 188
 163 #define RD_TP_ASCEND_FIRST_DEST 189
 164 #define RD_TP_ASCEND_PRE_INPUT_OCTETS 190
 165 #define RD_TP_ASCEND_PRE_OUTPUT_OCTETS 191
 166 #define RD_TP_ASCEND_PRE_INPUT_PACKETS 192
 167 #define RD_TP_ASCEND_PRE_OUTPUT_PACKETS 193
 168 #define RD_TP_ASCEND_MAXIMUM_TIME 194
 169 #define RD_TP_ASCEND_DISCONNECT_CAUSE 195
 170 #define RD_TP_ASCEND_CONNECT_PROGRESS 196
 171 #define RD_TP_ASCEND_DATA_RATE 197
 172 #define RD_TP_ASCEND_PRESESSION_TIME 198
 173 #define RD_TP_ASCEND_ASSIGN_IP_POOL 218
 174 #define RD_TP_ASCEND_XMIT_RATE 255
 175
 176
 177
 178
 179
 180 #define AUTHENTICATOR_LENGTH 16
 181 #define RD_HDR_LENGTH 4
 182
 183
 184 #define RADIUS_STRING 1
 185 #define RADIUS_BINSTRING 2
 186 #define RADIUS_INTEGER4 3
 187 #define RADIUS_IP_ADDRESS 4
 188 #define RADIUS_SERVICE_TYPE 5
 189 #define RADIUS_FRAMED_PROTOCOL 6
 190 #define RADIUS_FRAMED_ROUTING 7
 191 #define RADIUS_FRAMED_COMPRESSION 8
 192 #define RADIUS_LOGIN_SERVICE 9
 193 #define RADIUS_UNKNOWN 10
 194 #define RADIUS_IPX_ADDRESS 11
 195 #define RADIUS_TERMINATING_ACTION 12
 196 #define RADIUS_ACCOUNTING_STATUS_TYPE 13
 197 #define RADIUS_ACCT_AUTHENTIC 14
 198 #define RADIUS_ACCT_TERMINATE_CAUSE 15
 199 #define RADIUS_NAS_PORT_TYPE 16
 200 #define RADIUS_TUNNEL_TYPE 17
 201 #define RADIUS_TUNNEL_MEDIUM_TYPE 18
 202 #define RADIUS_STRING_TAGGED 19
 203 #define RADIUS_VENDOR_SPECIFIC 20
 204 #define RADIUS_TIMESTAMP 21
 205 #define RADIUS_INTEGER4_TAGGED 22
 206
 207 static value_string radius_vals[] = {
 208  {RADIUS_ACCESS_REQUEST, "Access Request"},
 209  {RADIUS_ACCESS_ACCEPT, "Access Accept"},
 210  {RADIUS_ACCESS_REJECT, "Access Reject"},
 211  {RADIUS_ACCOUNTING_REQUEST, "Accounting Request"},
 212  {RADIUS_ACCOUNTING_RESPONSE, "Accounting Response"},
 213  {RADIUS_ACCESS_CHALLENGE, "Accounting challenge"},
 214  {RADIUS_STATUS_SERVER, "StatusServer"},
 215  {RADIUS_STATUS_CLIENT, "StatusClient"},
 216  {RADIUS_RESERVED, "Reserved"},
 217 {0, NULL}};
 218
 219 static value_string radius_service_type_vals[]=
 220 {{1, "Login"},
 221 {2, "Framed"},
 222 {3, "Callback Login"},
 223 {4, "Callback Framed"},
 224 {5, "Outbound"},
 225 {6, "Administrative"},
 226 {7, "NAS Prompt"},
 227 {8, "Authenticate Only"},
 228 {9, "Callback NAS Prompt"},
 229 {10, "Call Check"},
 230 {0,NULL}};
 231
 232 /*
 233  * These are SMI Network Management Private Enterprise Codes for
 234  * organizations; see
 235  *
 236  *      http://www.isi.edu/in-notes/iana/assignments/enterprise-numbers
 237  *
 238  * for a list.
 239  */
 240 #define VENDOR_ACC 5
 241 #define VENDOR_CISCO 9
 242 #define VENDOR_SHIVA 166
 243 #define VENDOR_LIVINGSTON 307
 244 #define VENDOR_3COM 429
 245 #define VENDOR_ASCEND 529
 246 #define VENDOR_BAY 1584
 247 #define VENDOR_JUNIPER 2636
 248 #define VENDOR_COSINE 3085
 249 #define VENDOR_UNISPHERE 4874
 250
 251 static value_string radius_vendor_specific_vendors[]=
 252 {{VENDOR_ACC,"ACC"},
 253 {VENDOR_CISCO,"Cisco"},
 254 {VENDOR_SHIVA,"Shiva"},
 255 {VENDOR_LIVINGSTON,"Livingston"},
 256 {VENDOR_3COM,"3Com"},
 257 {VENDOR_ASCEND,"Ascend"},
 258 {VENDOR_BAY,"Bay Networks"},
 259 {VENDOR_JUNIPER,"Juniper Networks"},
 260 {VENDOR_COSINE,"CoSine Communications"},
 261 {VENDOR_UNISPHERE,"Unisphere Networks"},
 262 {0,NULL}};
 263
 264 #define VENDOR_COSINE_VSA_CONNECION_PROFILE_NAME 1
 265 #define VENDOR_COSINE_VSA_ENTERPRISE_ID 2
 266 #define VENDOR_COSINE_VSA_ADDRESS_POOL_NAME 3
 267 #define VENDOR_COSINE_VSA_DS_BYTE 4
 268 #define VENDOR_COSINE_VSA_VPI_VCI 5
 269 #define VENDOR_COSINE_VSA_DLCI 6
 270 #define VENDOR_COSINE_VSA_LNS_IP_ADDRESS 7
 271 #define VENDOR_COSINE_VSA_CLI_USER_PERMISSION_ID 8
 272
 273 static value_string radius_vendor_cosine_types[]=
 274 {{VENDOR_COSINE_VSA_CONNECION_PROFILE_NAME,"Connection Profile Name"},
 275 {VENDOR_COSINE_VSA_ENTERPRISE_ID,"Enterprise ID"},
 276 {VENDOR_COSINE_VSA_ADDRESS_POOL_NAME,"Address Pool Name"},
 277 {VENDOR_COSINE_VSA_DS_BYTE,"DS Byte"},
 278 {VENDOR_COSINE_VSA_VPI_VCI,"VPI/VCI"},
 279 {VENDOR_COSINE_VSA_DLCI,"DLCI"},
 280 {VENDOR_COSINE_VSA_LNS_IP_ADDRESS,"LNS IP Address"},
 281 {VENDOR_COSINE_VSA_CLI_USER_PERMISSION_ID,"CLI User Permission ID"},
 282 {0,NULL}};
 283
 284 static value_string radius_framed_protocol_vals[]=
 285 {{1, "PPP"},
 286 {2, "SLIP"},
 287 {3, "Appletalk Remote Access Protocol (ARAP)"},
 288 {4, "Gandalf proprietary Singlelink/Multilink Protocol"},
 289 {5, "Xylogics proprietary IPX/SLIP"},
 290 {6, "X.75 Synchronous"},
 291 {256, "Ascend MPP"},
 292 {262, "Ascend MP"},
 293 {0,NULL}};
 294
 295 static value_string radius_framed_routing_vals[]=
 296 {{1, "Send Routing Packets"},
 297 {2, "Listen for routing packets"},
 298 {3, "Send and Listen"},
 299 {0,"None"},
 300 {0,NULL}};
 301
 302 static value_string radius_framed_compression_vals[]=
 303 {{1, "VJ TCP/IP Header Compression"},
 304 {2, "IPX Header Compression"},
 305 {3, "Stac-LZS compression"},
 306 {0, "None"},
 307 {0,NULL}};
 308
 309 static value_string radius_login_service_vals[]=
 310 {{1, "Rlogin"},
 311 {2, "TCP Clear"},
 312 {3, "Portmaster"},
 313 {4, "LAT"},
 314 {5, "X.25-PAD"},
 315 {6, "X.25T3POS"},
 316 {8, "TCP Clear Quit"},
 317 {0, "Telnet"},
 318 {0,NULL}};
 319
 320 static value_string radius_terminating_action_vals[]=
 321 {{1, "RADIUS-Request"},
 322 {0, "Default"},
 323 {0,NULL}};
 324
 325 static value_string radius_accounting_status_type_vals[]=
 326 {{1, "Start"},
 327 {2, "Stop"},
 328 {3, "Interim-Update"},
 329 {7,"Accounting-On"},
 330 {8,"Accounting-Off"},
 331 {9, "Tunnel-Start"}, /* Tunnel accounting */
 332 {10, "Tunnel-Stop"}, /* Tunnel accounting */
 333 {11, "Tunnel-Reject"}, /* Tunnel accounting */
 334 {12, "Tunnel-Link-Start"}, /* Tunnel accounting */
 335 {13, "Tunnel-Link-Stop"}, /* Tunnel accounting */
 336 {14, "Tunnel-Link-Reject"}, /* Tunnel accounting */
 337 {0,NULL}};
 338
 339 static value_string radius_accounting_authentication_vals[]=
 340 {{1, "Radius"},
 341 {2, "Local"},
 342 {3,"Remote"},
 343 /* RFC 2866 says 3 is Remote. Is 7 a mistake? */
 344 {7,"Remote"},
 345 {0,NULL}};
 346
 347 static value_string radius_acct_terminate_cause_vals[]=
 348 {{1, "User Request"},
 349 {2, "Lost Carrier"},
 350 {3,"Lost Service"},
 351 {4, "Idle Timeout"},
 352 {5,"Session Timeout"},
 353 {6, "Admin Reset"},
 354 {7, "Admin Reboot"},
 355 {8, "Port Error"},
 356 {9, "NAS Error"},
 357 {10, "NAS Request"},
 358 {11,"NAS Reboot"},
 359 {12, "Port Unneeded"},
 360 {13, "Port Preempted"},
 361 {14,"Port Suspended"},
 362 {15,"Service Unavailable"},
 363 {16,"Callback"},
 364 {17, "User Error"},
 365 {18,"Host Request"},
 366 {0,NULL}};
 367
 368 static value_string radius_tunnel_type_vals[]=
 369 {{1,"PPTP"},
 370 {2,"L2F"},
 371 {3,"L2TP"},
 372 {4,"ATMP"},
 373 {5,"VTP"},
 374 {6,"AH"},
 375 {7,"IP-IP-Encap"},
 376 {8,"MIN-IP-IP"},
 377 {9,"ESP"},
 378 {10,"GRE"},
 379 {11,"DVS"},
 380 {12,"IP-IP"},
 381 {0,NULL}};
 382
 383 static value_string radius_tunnel_medium_type_vals[]=
 384 {{1,"IPv4"},
 385 {2,"IPv6"},
 386 {3,"NSAP"},
 387 {4,"HDLC"},
 388 {5,"BBN"},
 389 {6,"IEEE-802"},
 390 {7,"E-163"},
 391 {8,"E-164"},
 392 {9,"F-69"},
 393 {10,"X-121"},
 394 {11,"IPX"},
 395 {12,"Appletalk"},
 396 {13,"Decnet4"},
 397 {14,"Vines"},
 398 {15,"E-164-NSAP"},
 399 {0,NULL}};
 400
 401 static value_string radius_nas_port_type_vals[]=
 402 {{0, "Async"},
 403 {1, "Sync"},
 404 {2,"ISDN Sync"},
 405 {3, "ISDN Async V.120"},
 406 {4,"ISDN Async V.110"},
 407 {5, "Virtual"},
 408 {6, "PIAFS"},
 409 {7, "HDLC Clear Channel"},
 410 {8, "X.25"},
 411 {9,"X.75"},
 412 {10, "G.3 Fax"},
 413 {11,"SDSL"},
 414 {12, "ADSL-CAP"},
 415 {13, "ADSL-DMT"},
 416 {14,"IDSL - ISDN"},
 417 {15,"Ethernet"},
 418 {16,"xDSL"},
 419 {17,"Cable"},
 420 {18,"Wireless Other"},
 421 {19,"Wireless IEEE 802.11"},
 422 {0,NULL}};
 423
 424 static value_value_pair radius_printinfo[] = {
 425 { RD_TP_USER_NAME, RADIUS_STRING },
 426 { RD_TP_USER_PASSWORD,RADIUS_BINSTRING },
 427 { RD_TP_CHAP_PASSWORD, RADIUS_BINSTRING },
 428 { RD_TP_NAS_IP_ADDRESS, RADIUS_IP_ADDRESS },
 429 { RD_TP_NAS_PORT, RADIUS_INTEGER4},
 430 { RD_TP_SERVICE_TYPE, RADIUS_SERVICE_TYPE},
 431 { RD_TP_FRAMED_PROTOCOL, RADIUS_FRAMED_PROTOCOL},
 432 { RD_TP_FRAMED_IP_ADDRESS, RADIUS_IP_ADDRESS},
 433 { RD_TP_FRAMED_IP_NETMASK, RADIUS_IP_ADDRESS},
 434 { RD_TP_FRAMED_ROUTING, RADIUS_FRAMED_ROUTING},
 435 { RD_TP_FILTER_ID, RADIUS_STRING},
 436 { RD_TP_FRAMED_MTU, RADIUS_INTEGER4},
 437 { RD_TP_FRAMED_COMPRESSION, RADIUS_FRAMED_COMPRESSION},
 438 { RD_TP_LOGIN_IP_HOST, RADIUS_IP_ADDRESS},
 439 { RD_TP_LOGIN_SERVICE, RADIUS_LOGIN_SERVICE},
 440 { RD_TP_LOGIN_TCP_PORT, RADIUS_INTEGER4},
 441 { RD_TP_UNASSIGNED, RADIUS_UNKNOWN},
 442 { RD_TP_REPLY_MESSAGE, RADIUS_STRING},
 443 { RD_TP_CALLBACK_NUMBER, RADIUS_BINSTRING},
 444 { RD_TP_CALLBACK_ID, RADIUS_BINSTRING},
 445 { RD_TP_UNASSIGNED2, RADIUS_UNKNOWN},
 446 { RD_TP_FRAMED_ROUTE, RADIUS_STRING},
 447 { RD_TP_FRAMED_IPX_NETWORK, RADIUS_IPX_ADDRESS},
 448 { RD_TP_STATE, RADIUS_BINSTRING},
 449 { RD_TP_CLASS, RADIUS_BINSTRING},
 450 { RD_TP_VENDOR_SPECIFIC, RADIUS_VENDOR_SPECIFIC},
 451 { RD_TP_SESSION_TIMEOUT, RADIUS_INTEGER4},
 452 { RD_TP_IDLE_TIMEOUT, RADIUS_INTEGER4},
 453 { RD_TP_TERMINATING_ACTION, RADIUS_TERMINATING_ACTION},
 454 { RD_TP_CALLED_STATION_ID, RADIUS_BINSTRING},
 455 { RD_TP_CALLING_STATION_ID, RADIUS_BINSTRING},
 456 { RD_TP_NAS_IDENTIFIER, RADIUS_BINSTRING},
 457 { RD_TP_PROXY_STATE, RADIUS_BINSTRING},
 458 { RD_TP_LOGIN_LAT_SERVICE, RADIUS_BINSTRING},
 459 { RD_TP_LOGIN_LAT_NODE, RADIUS_BINSTRING},
 460 { RD_TP_LOGIN_LAT_GROUP, RADIUS_BINSTRING},
 461 { RD_TP_FRAMED_APPLETALK_LINK, RADIUS_INTEGER4},
 462 { RD_TP_FRAMED_APPLETALK_NETWORK, RADIUS_INTEGER4},
 463 { RD_TP_FRAMED_APPLETALK_ZONE, RADIUS_BINSTRING},
 464 { RD_TP_ACCT_STATUS_TYPE, RADIUS_ACCOUNTING_STATUS_TYPE},
 465 { RD_TP_ACCT_DELAY_TIME, RADIUS_INTEGER4},
 466 { RD_TP_ACCT_INPUT_OCTETS, RADIUS_INTEGER4},
 467 { RD_TP_ACCT_OUTPUT_OCTETS, RADIUS_INTEGER4},
 468 { RD_TP_ACCT_SESSION_ID, RADIUS_STRING},
 469 { RD_TP_ACCT_AUTHENTIC, RADIUS_ACCT_AUTHENTIC},
 470 { RD_TP_ACCT_SESSION_TIME, RADIUS_INTEGER4},
 471 { RD_TP_ACCT_INPUT_PACKETS, RADIUS_INTEGER4},
 472 { RD_TP_ACCT_OUTPUT_PACKETS, RADIUS_INTEGER4},
 473 { RD_TP_ACCT_TERMINATE_CAUSE, RADIUS_ACCT_TERMINATE_CAUSE},
 474 { RD_TP_ACCT_MULTI_SESSION_ID, RADIUS_STRING},
 475 { RD_TP_ACCT_LINK_COUNT, RADIUS_INTEGER4},
 476 { RD_TP_ACCT_INPUT_GIGAWORDS, RADIUS_INTEGER4},
 477 { RD_TP_ACCT_OUTPUT_GIGAWORDS, RADIUS_INTEGER4},
 478 { RD_TP_EVENT_TIMESTAMP, RADIUS_TIMESTAMP},
 479 { RD_TP_CHAP_CHALLENGE, RADIUS_BINSTRING},
 480 { RD_TP_NAS_PORT_TYPE, RADIUS_NAS_PORT_TYPE},
 481 { RD_TP_PORT_LIMIT, RADIUS_INTEGER4},
 482 { RD_TP_LOGIN_LAT_PORT, RADIUS_BINSTRING},
 483 { RD_TP_TUNNEL_TYPE, RADIUS_TUNNEL_TYPE},
 484 { RD_TP_TUNNEL_MEDIUM_TYPE, RADIUS_TUNNEL_MEDIUM_TYPE},
 485 { RD_TP_TUNNEL_CLIENT_ENDPOINT, RADIUS_STRING_TAGGED},
 486 { RD_TP_TUNNEL_SERVER_ENDPOINT, RADIUS_STRING_TAGGED},
 487 { RD_TP_TUNNEL_CONNECTION, RADIUS_BINSTRING},
 488 { RD_TP_TUNNEL_PASSWORD, RADIUS_STRING_TAGGED},
 489 { RD_TP_CONNECT_INFO, RADIUS_STRING_TAGGED},
 490 { RD_TP_MESSAGE_AUTHENTICATOR, RADIUS_BINSTRING},
 491 { RD_TP_TUNNEL_PRIVATE_GROUP_ID, RADIUS_STRING_TAGGED},
 492 { RD_TP_TUNNEL_ASSIGNMENT_ID, RADIUS_STRING_TAGGED},
 493 { RD_TP_TUNNEL_TUNNEL_PREFERENCE, RADIUS_INTEGER4_TAGGED},
 494 { RD_TP_TUNNEL_PACKETS_LOST, RADIUS_INTEGER4},
 495 { RD_TP_NAS_PORT_ID, RADIUS_STRING},
 496 { RD_TP_TUNNEL_CLIENT_AUTH_ID, RADIUS_STRING_TAGGED},
 497 { RD_TP_TUNNEL_SERVER_AUTH_ID, RADIUS_STRING_TAGGED},
 498 { RD_TP_ASCEND_MODEM_PORTNO, RADIUS_INTEGER4},
 499 { RD_TP_ASCEND_MODEM_SLOTNO, RADIUS_INTEGER4},
 500 { RD_TP_ASCEND_MULTILINK_ID, RADIUS_INTEGER4},
 501 { RD_TP_ASCEND_NUM_IN_MULTILINK, RADIUS_INTEGER4},
 502 { RD_TP_ASCEND_FIRST_DEST, RADIUS_IP_ADDRESS},
 503 { RD_TP_ASCEND_PRE_INPUT_OCTETS, RADIUS_INTEGER4},
 504 { RD_TP_ASCEND_PRE_OUTPUT_OCTETS, RADIUS_INTEGER4},
 505 { RD_TP_ASCEND_PRE_INPUT_PACKETS, RADIUS_INTEGER4},
 506 { RD_TP_ASCEND_PRE_OUTPUT_PACKETS, RADIUS_INTEGER4},
 507 { RD_TP_ASCEND_MAXIMUM_TIME, RADIUS_INTEGER4},
 508 { RD_TP_ASCEND_DISCONNECT_CAUSE, RADIUS_INTEGER4},
 509 { RD_TP_ASCEND_CONNECT_PROGRESS, RADIUS_INTEGER4},
 510 { RD_TP_ASCEND_DATA_RATE, RADIUS_INTEGER4},
 511 { RD_TP_ASCEND_PRESESSION_TIME, RADIUS_INTEGER4},
 512 { RD_TP_ASCEND_ASSIGN_IP_POOL, RADIUS_INTEGER4},
 513 { RD_TP_ASCEND_XMIT_RATE, RADIUS_INTEGER4},
 514 {0,0},
 515 };
 516
 517 static value_string radius_attrib_type_vals[] = {
 518 { RD_TP_USER_NAME, "User Name"},
 519 { RD_TP_USER_PASSWORD, "User Password"},
 520 { RD_TP_CHAP_PASSWORD, "Chap Password"},
 521 { RD_TP_NAS_IP_ADDRESS, "NAS IP Address"},
 522 { RD_TP_NAS_PORT, "NAS Port"},
 523 { RD_TP_SERVICE_TYPE, "Service Type"},
 524 { RD_TP_FRAMED_PROTOCOL, "Framed Protocol"},
 525 { RD_TP_FRAMED_IP_ADDRESS, "Framed IP Address"},
 526 { RD_TP_FRAMED_IP_NETMASK, "Framed IP Netmask"},
 527 { RD_TP_FRAMED_ROUTING, "Framed Routing"},
 528 { RD_TP_FILTER_ID, "Filter Id"},
 529 { RD_TP_FRAMED_MTU, "Framed MTU"},
 530 { RD_TP_FRAMED_COMPRESSION, "Framed Compression"},
 531 { RD_TP_LOGIN_IP_HOST, "Login IP Host"},
 532 { RD_TP_LOGIN_SERVICE, "Login Service"},
 533 { RD_TP_LOGIN_TCP_PORT, "Login TCP Port"},
 534 { RD_TP_UNASSIGNED, "Unassigned"},
 535 { RD_TP_REPLY_MESSAGE, "Reply Message"},
 536 { RD_TP_CALLBACK_NUMBER, "Callback Number"},
 537 { RD_TP_CALLBACK_ID, "Callback Id"},
 538 { RD_TP_UNASSIGNED2, "Unassigned"},
 539 { RD_TP_FRAMED_ROUTE, "Framed Route"},
 540 { RD_TP_FRAMED_IPX_NETWORK, "Framed IPX network"},
 541 { RD_TP_STATE, "State"},
 542 { RD_TP_CLASS, "Class"},
 543 { RD_TP_VENDOR_SPECIFIC, "Vendor Specific" },
 544 { RD_TP_SESSION_TIMEOUT, "Session Timeout"},
 545 { RD_TP_IDLE_TIMEOUT, "Idle Timeout"},
 546 { RD_TP_TERMINATING_ACTION, "Terminating Action"},
 547 { RD_TP_CALLED_STATION_ID, "Called Station Id"},
 548 { RD_TP_CALLING_STATION_ID, "Calling Station Id"},
 549 { RD_TP_NAS_IDENTIFIER, "NAS identifier"},
 550 { RD_TP_PROXY_STATE, "Proxy State"},
 551 { RD_TP_LOGIN_LAT_SERVICE, "Login LAT Service"},
 552 { RD_TP_LOGIN_LAT_NODE, "Login LAT Node"},
 553 { RD_TP_LOGIN_LAT_GROUP, "Login LAT Group"},
 554 { RD_TP_FRAMED_APPLETALK_LINK, "Framed Appletalk Link"},
 555 { RD_TP_FRAMED_APPLETALK_NETWORK, "Framed Appletalk Network"},
 556 { RD_TP_FRAMED_APPLETALK_ZONE, "Framed Appletalk Zone"},
 557 { RD_TP_ACCT_STATUS_TYPE, "Acct Status Type"},
 558 { RD_TP_ACCT_DELAY_TIME, "Acct Delay Time"},
 559 { RD_TP_ACCT_INPUT_OCTETS, "Acct Input Octets"},
 560 { RD_TP_ACCT_OUTPUT_OCTETS, "Acct Output Octets"},
 561 { RD_TP_ACCT_SESSION_ID, "Acct Session Id"},
 562 { RD_TP_ACCT_AUTHENTIC, "Acct Authentic"},
 563 { RD_TP_ACCT_SESSION_TIME, "Acct Session Time"},
 564 { RD_TP_ACCT_INPUT_PACKETS, "Acct Input Packets"},
 565 { RD_TP_ACCT_OUTPUT_PACKETS, "Acct Output Packets"},
 566 { RD_TP_ACCT_TERMINATE_CAUSE, "Acct Terminate Cause"},
 567 { RD_TP_ACCT_MULTI_SESSION_ID, "Acct Multi Session Id"},
 568 { RD_TP_ACCT_LINK_COUNT, "Acct Link Count"},
 569 { RD_TP_ACCT_INPUT_GIGAWORDS, "Acct Input Gigawords"},
 570 { RD_TP_ACCT_OUTPUT_GIGAWORDS, "Acct Output Gigawords"},
 571 { RD_TP_EVENT_TIMESTAMP, "Event Timestamp"},
 572 { RD_TP_CHAP_CHALLENGE, "Chap Challenge"},
 573 { RD_TP_NAS_PORT_TYPE, "NAS Port Type"},
 574 { RD_TP_PORT_LIMIT, "Port Limit"},
 575 { RD_TP_LOGIN_LAT_PORT, "Login LAT Port"},
 576 { RD_TP_TUNNEL_TYPE, "Tunnel Type"},
 577 { RD_TP_TUNNEL_MEDIUM_TYPE, "Tunnel Medium Type"},
 578 { RD_TP_TUNNEL_CLIENT_ENDPOINT, "Tunnel Client Endpoint"},
 579 { RD_TP_TUNNEL_SERVER_ENDPOINT, "Tunnel Server Endpoint"},
 580 { RD_TP_TUNNEL_CONNECTION, "Tunnel Connection"},
 581 { RD_TP_TUNNEL_PASSWORD, "Tunnel Password"},
 582 { RD_TP_CONNECT_INFO, "Connect-Info"},
 583 { RD_TP_MESSAGE_AUTHENTICATOR, "Message Authenticator"},
 584 { RD_TP_TUNNEL_PRIVATE_GROUP_ID, "Tunnel Private Group ID"},
 585 { RD_TP_TUNNEL_ASSIGNMENT_ID, "Tunnel Assignment ID"},
 586 { RD_TP_TUNNEL_TUNNEL_PREFERENCE, "Tunnel Preference"},
 587 { RD_TP_TUNNEL_PACKETS_LOST, "Tunnel Packets Lost"},
 588 { RD_TP_NAS_PORT_ID, "NAS Port ID"},
 589 { RD_TP_TUNNEL_CLIENT_AUTH_ID, "Tunnel Client Auth ID"},
 590 { RD_TP_TUNNEL_SERVER_AUTH_ID, "Tunnel Server Auth ID"},
 591 { RD_TP_ASCEND_MODEM_PORTNO, "Ascend Modem Port No"},
 592 { RD_TP_ASCEND_MODEM_SLOTNO, "Ascend Modem Slot No"},
 593 { RD_TP_ASCEND_MULTILINK_ID, "Ascend Multilink ID"},
 594 { RD_TP_ASCEND_NUM_IN_MULTILINK, "Ascend Num In Multilink"},
 595 { RD_TP_ASCEND_FIRST_DEST, "Ascend First Dest"},
 596 { RD_TP_ASCEND_PRE_INPUT_OCTETS, "Ascend Pre Input Octets"},
 597 { RD_TP_ASCEND_PRE_OUTPUT_OCTETS, "Ascend Pre Output Octets"},
 598 { RD_TP_ASCEND_PRE_INPUT_PACKETS, "Ascend Pre Input Packets"},
 599 { RD_TP_ASCEND_PRE_OUTPUT_PACKETS, "Ascend Pre Output Packets"},
 600 { RD_TP_ASCEND_MAXIMUM_TIME, "Ascend Maximum Time"},
 601 { RD_TP_ASCEND_DISCONNECT_CAUSE, "Ascend Disconnect Cause"},
 602 { RD_TP_ASCEND_CONNECT_PROGRESS, "Ascend Connect Progress"},
 603 { RD_TP_ASCEND_DATA_RATE, "Ascend Data Rate"},
 604 { RD_TP_ASCEND_PRESESSION_TIME, "Ascend PreSession Time"},
 605 { RD_TP_ASCEND_ASSIGN_IP_POOL, "Ascend Assign IP Pool"},
 606 { RD_TP_ASCEND_XMIT_RATE, "Ascend Xmit Rate"},
 607 {0,NULL},
 608 };
 609
 610 guint32 match_numval(guint32 val, const value_value_pair *vs)
 611 {
 612   guint32 i = 0;
 613
 614   while (vs[i].val1) {
 615     if (vs[i].val1 == val)
 616       return(vs[i].val2);
 617     i++;
 618   }
 619
 620   return(0);
 621 }
 622
 623 static gchar textbuffer[2000];
 624
 625 gchar *rdconvertbufftostr(gchar *dest, tvbuff_t *tvb, int offset, int length)
 626 {
 627 /*converts the raw buffer into printable text */
 628         guint32 i;
 629         guint32 totlen=0;
 630         const guint8 *pd = tvb_get_ptr(tvb, offset, length);
 631
 632         dest[0]='"';
 633         dest[1]=0;
 634         totlen=1;
 635         for (i=0; i < (guint32)length; i++)
 636         {
 637                 if( isalnum((int)pd[i])||ispunct((int)pd[i])
 638                                 ||((int)pd[i]==' '))            {
 639                         dest[totlen]=(gchar)pd[i];
 640                         totlen++;
 641                 }
 642                 else
 643                 {
 644                         sprintf(&(dest[totlen]), "\\%03u", pd[i]);
 645                         totlen=totlen+strlen(&(dest[totlen]));
 646                 }
 647         }
 648         dest[totlen]='"';
 649         dest[totlen+1]=0;
 650         return dest;
 651 }
 652
 653 gchar *rd_match_strval(guint32 val, const value_string *vs) {
 654         return val_to_str(val, vs, "Undefined (%u)");
 655 }
 656
 657 gchar *rd_value_to_str(e_avphdr *avph, tvbuff_t *tvb, int offset)
 658 {
 659   int print_type;
 660   gchar *cont;
 661   value_string *valstrarr;
 662   guint32 intval;
 663   const guint8 *pd;
 664   guint8 tag;
 665   guint8 vtype;
 666   char *rtimestamp;
 667   extern char *tzname[2];
 668
 669 /* prints the values of the attribute value pairs into a text buffer */
 670   print_type=match_numval(avph->avp_type,radius_printinfo);
 671
 672   /* Default begin */
 673   strcpy(textbuffer,"Value:");
 674   cont=&textbuffer[strlen(textbuffer)];
 675   switch(print_type)
 676   {
 677         case( RADIUS_STRING ):
 678         case( RADIUS_BINSTRING ):
 679                 rdconvertbufftostr(cont,tvb,offset+2,avph->avp_length-2);
 680                 break;
 681         case( RADIUS_INTEGER4 ):
 682                 sprintf(cont,"%u", tvb_get_ntohl(tvb,offset+2));
 683                 break;
 684         case( RADIUS_IP_ADDRESS ):
 685                 ip_to_str_buf(tvb_get_ptr(tvb,offset+2,4),cont);
 686                 break;
 687         case( RADIUS_SERVICE_TYPE ):
 688                 valstrarr=radius_service_type_vals;
 689                 strcpy(cont,rd_match_strval(tvb_get_ntohl(tvb,offset+2),valstrarr));
 690                 break;
 691         case( RADIUS_FRAMED_PROTOCOL ):
 692                 valstrarr= radius_framed_protocol_vals;
 693                 strcpy(cont,rd_match_strval(tvb_get_ntohl(tvb,offset+2),valstrarr));
 694                 break;
 695         case( RADIUS_FRAMED_ROUTING ):
 696                 valstrarr=radius_framed_routing_vals;
 697                 strcpy(cont,rd_match_strval(tvb_get_ntohl(tvb,offset+2),valstrarr));
 698                 break;
 699         case( RADIUS_FRAMED_COMPRESSION ):
 700                 valstrarr=radius_framed_compression_vals;
 701                 strcpy(cont,rd_match_strval(tvb_get_ntohl(tvb,offset+2),valstrarr));
 702                 break;
 703         case( RADIUS_LOGIN_SERVICE ):
 704                 valstrarr=radius_login_service_vals;
 705                 strcpy(cont,rd_match_strval(tvb_get_ntohl(tvb,offset+2),valstrarr));
 706                 break;
 707         case( RADIUS_IPX_ADDRESS ):
 708                 pd = tvb_get_ptr(tvb,offset+2,4);
 709                 sprintf(cont,"%u:%u:%u:%u",(guint8)pd[offset+2],
 710                         (guint8)pd[offset+3],(guint8)pd[offset+4],
 711                         (guint8)pd[offset+5]);
 712         case( RADIUS_TERMINATING_ACTION ):
 713                 valstrarr=radius_terminating_action_vals;
 714                 strcpy(cont,rd_match_strval(tvb_get_ntohl(tvb,offset+2),valstrarr));
 715                 break;
 716         case( RADIUS_ACCOUNTING_STATUS_TYPE ):
 717                 valstrarr=radius_accounting_status_type_vals;
 718                 strcpy(cont,rd_match_strval(tvb_get_ntohl(tvb,offset+2),valstrarr));
 719                 break;
 720         case( RADIUS_ACCT_AUTHENTIC ):
 721                 valstrarr=radius_accounting_authentication_vals;
 722                 strcpy(cont,rd_match_strval(tvb_get_ntohl(tvb,offset+2),valstrarr));
 723                 break;
 724         case( RADIUS_ACCT_TERMINATE_CAUSE ):
 725                 valstrarr=radius_acct_terminate_cause_vals;
 726                 strcpy(cont,rd_match_strval(tvb_get_ntohl(tvb,offset+2),valstrarr));
 727                 break;
 728         case( RADIUS_NAS_PORT_TYPE ):
 729                 valstrarr=radius_nas_port_type_vals;
 730                 strcpy(cont,rd_match_strval(tvb_get_ntohl(tvb,offset+2),valstrarr));
 731                 break;
 732         case( RADIUS_TUNNEL_TYPE ):
 733                 valstrarr=radius_tunnel_type_vals;
 734                 /* Tagged ? */
 735                 intval = tvb_get_ntohl(tvb,offset+2);
 736                 if (intval >> 24) {
 737                         sprintf(textbuffer, "Tag:%u, Value:%s",
 738                                 intval >> 24,
 739                                 rd_match_strval(intval & 0xffffff,valstrarr));
 740                         break;
 741                 }
 742                 strcpy(cont,rd_match_strval(intval,valstrarr));
 743                 break;
 744         case( RADIUS_TUNNEL_MEDIUM_TYPE ):
 745                 valstrarr=radius_tunnel_medium_type_vals;
 746                 intval = tvb_get_ntohl(tvb,offset+2);
 747                 /* Tagged ? */
 748                 if (intval >> 24) {
 749                         sprintf(textbuffer, "Tag:%u, Value:%s",
 750                                 intval >> 24,
 751                                 rd_match_strval(intval & 0xffffff,valstrarr));
 752                         break;
 753                 }
 754                 strcpy(cont,rd_match_strval(intval,valstrarr));
 755                 break;
 756         case( RADIUS_STRING_TAGGED ):
 757                 /* Tagged ? */
 758                 tag = tvb_get_guint8(tvb,offset+2);
 759                 if (tag <= 0x1f) {
 760                         sprintf(textbuffer, "Tag:%u, Value:",
 761                                         tag);
 762                         cont=&textbuffer[strlen(textbuffer)];
 763                         rdconvertbufftostr(cont,tvb,offset+3,avph->avp_length-3);
 764                         break;
 765                 }
 766                 rdconvertbufftostr(cont,tvb,offset+2,avph->avp_length-2);
 767                 break;
 768         case ( RADIUS_VENDOR_SPECIFIC ):
 769                 valstrarr=radius_vendor_specific_vendors;
 770                 sprintf(textbuffer,"Vendor:%s,",
 771                         rd_match_strval(tvb_get_ntohl(tvb,offset+2),valstrarr));
 772                 cont=&textbuffer[strlen(textbuffer)];
 773                 switch (tvb_get_ntohl(tvb,offset+2)) {
 774                 case ( VENDOR_COSINE ):
 775                         vtype = tvb_get_guint8(tvb,offset+6);
 776                         switch (vtype) {
 777                         case ( VENDOR_COSINE_VSA_CONNECION_PROFILE_NAME ):
 778                         case ( VENDOR_COSINE_VSA_ENTERPRISE_ID ):
 779                         case ( VENDOR_COSINE_VSA_ADDRESS_POOL_NAME ):
 780                         case ( VENDOR_COSINE_VSA_CLI_USER_PERMISSION_ID ):
 781                                 sprintf(cont," Type:%s, Value:",
 782                                         rd_match_strval(vtype, radius_vendor_cosine_types));
 783                                 cont=&textbuffer[strlen(textbuffer)];
 784                                 rdconvertbufftostr(cont,tvb,offset+8,avph->avp_length-8);
 785                                 break;
 786                         case ( VENDOR_COSINE_VSA_VPI_VCI ):
 787                                 sprintf(cont," Type:%s, Value:%u/%u",
 788                                         rd_match_strval(vtype, radius_vendor_cosine_types),
 789                                         tvb_get_ntohs(tvb,offset+8),
 790                                         tvb_get_ntohs(tvb,offset+10));
 791                                 break;
 792                         case ( VENDOR_COSINE_VSA_DS_BYTE ):
 793                         case ( VENDOR_COSINE_VSA_DLCI ):
 794                                 sprintf(cont," Type:%s, Value:%u",
 795                                         rd_match_strval(vtype, radius_vendor_cosine_types),
 796                                         tvb_get_ntohl(tvb,offset+8));
 797                                 break;
 798                         case ( VENDOR_COSINE_VSA_LNS_IP_ADDRESS ):
 799                                 sprintf(cont," Type:%s, Value:",
 800                                         rd_match_strval(vtype, radius_vendor_cosine_types));
 801                                 cont=&textbuffer[strlen(textbuffer)];
 802                                 ip_to_str_buf(tvb_get_ptr(tvb,offset+8,4),cont);
 803                                 break;
 804                         default:
 805                                 sprintf(cont," Unknown Value Type");
 806                                 break;
 807                         }
 808                         break;
 809                 default:
 810                         sprintf(cont, " Value:");
 811                         rdconvertbufftostr(cont,tvb,offset+6,avph->avp_length-6);
 812                         break;
 813                 }
 814                 break;
 815         case( RADIUS_TIMESTAMP ):
 816                 intval=tvb_get_ntohl(tvb,offset+2);
 817                 rtimestamp=ctime((time_t*)&intval);
 818                 rtimestamp[strlen(rtimestamp)-1]=0;
 819                 sprintf(cont,"%d (%s %s)", tvb_get_ntohl(tvb,offset+2), rtimestamp, *tzname);
 820                 break;
 821         case( RADIUS_INTEGER4_TAGGED ):
 822                 intval = tvb_get_ntohl(tvb,offset+2);
 823                 /* Tagged ? */
 824                 if (intval >> 24) {
 825                         sprintf(textbuffer, "Tag:%u, Value:%u",
 826                                 intval >> 24,
 827                                 intval & 0xffffff);
 828                         break;
 829                 }
 830                 sprintf(cont,"%u", intval);
 831                 break;
 832         case( RADIUS_UNKNOWN ):
 833         default:
 834                 strcpy(textbuffer,"Unknown Value Type");
 835                 break;
 836   }
 837   if (cont == textbuffer) {
 838         strcpy(cont,"Unknown Value");
 839   }
 840   return textbuffer;
 841 }
 842
 843
 844 void dissect_attribute_value_pairs(tvbuff_t *tvb, int offset, proto_tree *tree,
 845                                    int avplength)
 846 {
 847 /* adds the attribute value pairs to the tree */
 848   e_avphdr avph;
 849   gchar *avptpstrval;
 850   gchar *valstr;
 851   if (avplength==0)
 852   {
 853         proto_tree_add_text(tree, tvb,offset,0,"No Attribute Value Pairs Found");
 854         return;
 855   }
 856
 857   while (avplength > 0 )
 858   {
 859
 860      tvb_memcpy(tvb,(guint8 *)&avph,offset,sizeof(e_avphdr));
 861      avptpstrval=match_strval(avph.avp_type, radius_attrib_type_vals);
 862      if (avptpstrval == NULL) avptpstrval="Unknown Type";
 863      if (avph.avp_length < 2) {
 864         /*
 865          * This AVP is bogus - the length includes the type and length
 866          * fields, so it must be >= 2.
 867          */
 868         proto_tree_add_text(tree, tvb, offset, avph.avp_length,
 869           "t:%s(%u) l:%u (length not >= 2)",
 870            avptpstrval,avph.avp_type,avph.avp_length);
 871         break;
 872      }
 873      valstr=rd_value_to_str(&avph, tvb, offset);
 874      proto_tree_add_text(tree, tvb,offset,avph.avp_length,
 875         "t:%s(%u) l:%u, %s",
 876         avptpstrval,avph.avp_type,avph.avp_length,valstr);
 877      offset=offset+avph.avp_length;
 878      avplength=avplength-avph.avp_length;
 879   }
 880 }
 881
 882 static void dissect_radius(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
 883 {
 884   proto_tree *radius_tree,*avptree;
 885   proto_item *ti,*avptf;
 886   int rhlength;
 887   int rhcode;
 888   int rhident;
 889   int avplength,hdrlength;
 890   e_radiushdr rh;
 891
 892   gchar *codestrval;
 893
 894   if (check_col(pinfo->cinfo, COL_PROTOCOL))
 895         col_set_str(pinfo->cinfo, COL_PROTOCOL, "RADIUS");
 896   if (check_col(pinfo->cinfo, COL_INFO))
 897         col_clear(pinfo->cinfo, COL_INFO);
 898
 899   tvb_memcpy(tvb,(guint8 *)&rh,0,sizeof(e_radiushdr));
 900
 901   rhcode= (int)rh.rh_code;
 902   rhident= (int)rh.rh_ident;
 903   rhlength= (int)ntohs(rh.rh_pktlength);
 904   codestrval=  match_strval(rhcode,radius_vals);
 905   if (codestrval==NULL)
 906   {
 907         codestrval="Unknown Packet";
 908   }
 909   if (check_col(pinfo->cinfo, COL_INFO))
 910   {
 911         col_add_fstr(pinfo->cinfo,COL_INFO,"%s(%d) (id=%d, l=%d)",
 912                 codestrval, rhcode, rhident, rhlength);
 913   }
 914
 915   if (tree)
 916   {
 917         ti = proto_tree_add_item(tree,proto_radius, tvb, 0, rhlength, FALSE);
 918
 919         radius_tree = proto_item_add_subtree(ti, ett_radius);
 920
 921         proto_tree_add_uint(radius_tree,hf_radius_code, tvb, 0, 1,
 922                 rh.rh_code);
 923         proto_tree_add_uint_format(radius_tree,hf_radius_id, tvb, 1, 1,
 924                 rh.rh_ident, "Packet identifier: 0x%01x (%d)",
 925                         rhident,rhident);
 926
 927         proto_tree_add_uint(radius_tree, hf_radius_length, tvb,
 928                         2, 2, rhlength);
 929         proto_tree_add_text(radius_tree, tvb, 4,
 930                         AUTHENTICATOR_LENGTH,
 931                          "Authenticator");
 932
 933         hdrlength=RD_HDR_LENGTH+AUTHENTICATOR_LENGTH;
 934         avplength= rhlength -hdrlength;
 935
 936         if (avplength > 0) {
 937                 /* list the attribute value pairs */
 938
 939                 avptf = proto_tree_add_text(radius_tree,
 940                                 tvb,hdrlength,avplength,
 941                                 "Attribute value pairs");
 942                 avptree = proto_item_add_subtree(avptf, ett_radius_avp);
 943
 944                 if (avptree !=NULL)
 945                 {
 946                         dissect_attribute_value_pairs(tvb, hdrlength,
 947                                 avptree,avplength);
 948                 }
 949         }
 950   }
 951 }
 952 /* registration with the filtering engine */
 953 void
 954 proto_register_radius(void)
 955 {
 956         static hf_register_info hf[] = {
 957                 { &hf_radius_code,
 958                 { "Code","radius.code", FT_UINT8, BASE_DEC, VALS(radius_vals), 0x0,
 959                         "", HFILL }},
 960
 961                 { &hf_radius_id,
 962                 { "Identifier", "radius.id", FT_UINT8, BASE_DEC, NULL, 0x0,
 963                         "", HFILL }},
 964
 965                 { &hf_radius_length,
 966                 { "Length","radius.length", FT_UINT16, BASE_DEC, NULL, 0x0,
 967                         "", HFILL }}
 968         };
 969         static gint *ett[] = {
 970                 &ett_radius,
 971                 &ett_radius_avp,
 972         };
 973
 974         proto_radius = proto_register_protocol("Radius Protocol", "RADIUS",
 975             "radius");
 976         proto_register_field_array(proto_radius, hf, array_length(hf));
 977         proto_register_subtree_array(ett, array_length(ett));
 978 }
 979
 980 void
 981 proto_reg_handoff_radius(void)
 982 {
 983         dissector_handle_t radius_handle;
 984
 985         radius_handle = create_dissector_handle(dissect_radius, proto_radius);
 986         dissector_add("udp.port", UDP_PORT_RADIUS, radius_handle);
 987         dissector_add("udp.port", UDP_PORT_RADIUS_NEW, radius_handle);
 988         dissector_add("udp.port", UDP_PORT_RADACCT, radius_handle);
 989         dissector_add("udp.port", UDP_PORT_RADACCT_NEW, radius_handle);
 990 }