The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2000 Alfredo Andres Omella. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions |
| 6 | * are met: |
| 7 | * |
| 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 |
| 12 | * the documentation and/or other materials provided with the |
| 13 | * distribution. |
| 14 | * 3. The names of the authors may not be used to endorse or promote |
| 15 | * products derived from this software without specific prior |
| 16 | * written permission. |
| 17 | * |
| 18 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR |
| 19 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED |
| 20 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
| 21 | */ |
| 22 | /* |
| 23 | * Radius printer routines as specified on: |
| 24 | * |
| 25 | * RFC 2865: |
| 26 | * "Remote Authentication Dial In User Service (RADIUS)" |
| 27 | * |
| 28 | * RFC 2866: |
| 29 | * "RADIUS Accounting" |
| 30 | * |
| 31 | * RFC 2867: |
| 32 | * "RADIUS Accounting Modifications for Tunnel Protocol Support" |
| 33 | * |
| 34 | * RFC 2868: |
| 35 | * "RADIUS Attributes for Tunnel Protocol Support" |
| 36 | * |
| 37 | * RFC 2869: |
| 38 | * "RADIUS Extensions" |
| 39 | * |
| 40 | * Alfredo Andres Omella (aandres@s21sec.com) v0.1 2000/09/15 |
| 41 | * |
| 42 | * TODO: Among other things to print ok MacIntosh and Vendor values |
| 43 | */ |
| 44 | |
| 45 | #ifndef lint |
| 46 | static const char rcsid[] _U_ = |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 47 | "$Id: print-radius.c,v 1.28 2005-09-26 01:01:55 guy Exp $"; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 48 | #endif |
| 49 | |
| 50 | #ifdef HAVE_CONFIG_H |
| 51 | #include "config.h" |
| 52 | #endif |
| 53 | |
| 54 | #include <tcpdump-stdinc.h> |
| 55 | |
| 56 | #include <string.h> |
| 57 | |
| 58 | #include <stdio.h> |
| 59 | |
| 60 | #include "interface.h" |
| 61 | #include "addrtoname.h" |
| 62 | #include "extract.h" |
| 63 | #include "oui.h" |
| 64 | |
| 65 | #define TAM_SIZE(x) (sizeof(x)/sizeof(x[0]) ) |
| 66 | |
| 67 | #define PRINT_HEX(bytes_len, ptr_data) \ |
| 68 | while(bytes_len) \ |
| 69 | { \ |
| 70 | printf("%02X", *ptr_data ); \ |
| 71 | ptr_data++; \ |
| 72 | bytes_len--; \ |
| 73 | } |
| 74 | |
| 75 | |
| 76 | /* Radius packet codes */ |
| 77 | #define RADCMD_ACCESS_REQ 1 /* Access-Request */ |
| 78 | #define RADCMD_ACCESS_ACC 2 /* Access-Accept */ |
| 79 | #define RADCMD_ACCESS_REJ 3 /* Access-Reject */ |
| 80 | #define RADCMD_ACCOUN_REQ 4 /* Accounting-Request */ |
| 81 | #define RADCMD_ACCOUN_RES 5 /* Accounting-Response */ |
| 82 | #define RADCMD_ACCESS_CHA 11 /* Access-Challenge */ |
| 83 | #define RADCMD_STATUS_SER 12 /* Status-Server */ |
| 84 | #define RADCMD_STATUS_CLI 13 /* Status-Client */ |
| 85 | #define RADCMD_RESERVED 255 /* Reserved */ |
| 86 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 87 | static const struct tok radius_command_values[] = { |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 88 | { RADCMD_ACCESS_REQ, "Access Request" }, |
| 89 | { RADCMD_ACCESS_ACC, "Access Accept" }, |
| 90 | { RADCMD_ACCESS_REJ, "Access Reject" }, |
| 91 | { RADCMD_ACCOUN_REQ, "Accounting Request" }, |
| 92 | { RADCMD_ACCOUN_RES, "Accounting Response" }, |
| 93 | { RADCMD_ACCESS_CHA, "Access Challenge" }, |
| 94 | { RADCMD_STATUS_SER, "Status Server" }, |
| 95 | { RADCMD_STATUS_CLI, "Status Client" }, |
| 96 | { RADCMD_RESERVED, "Reserved" }, |
| 97 | { 0, NULL} |
| 98 | }; |
| 99 | |
| 100 | /********************************/ |
| 101 | /* Begin Radius Attribute types */ |
| 102 | /********************************/ |
| 103 | #define SERV_TYPE 6 |
| 104 | #define FRM_IPADDR 8 |
| 105 | #define LOG_IPHOST 14 |
| 106 | #define LOG_SERVICE 15 |
| 107 | #define FRM_IPX 23 |
| 108 | #define SESSION_TIMEOUT 27 |
| 109 | #define IDLE_TIMEOUT 28 |
| 110 | #define FRM_ATALK_LINK 37 |
| 111 | #define FRM_ATALK_NETWORK 38 |
| 112 | |
| 113 | #define ACCT_DELAY 41 |
| 114 | #define ACCT_SESSION_TIME 46 |
| 115 | |
| 116 | #define TUNNEL_TYPE 64 |
| 117 | #define TUNNEL_MEDIUM 65 |
| 118 | #define TUNNEL_CLIENT_END 66 |
| 119 | #define TUNNEL_SERVER_END 67 |
| 120 | #define TUNNEL_PASS 69 |
| 121 | |
| 122 | #define ARAP_PASS 70 |
| 123 | #define ARAP_FEATURES 71 |
| 124 | |
| 125 | #define TUNNEL_PRIV_GROUP 81 |
| 126 | #define TUNNEL_ASSIGN_ID 82 |
| 127 | #define TUNNEL_PREFERENCE 83 |
| 128 | |
| 129 | #define ARAP_CHALLENGE_RESP 84 |
| 130 | #define ACCT_INT_INTERVAL 85 |
| 131 | |
| 132 | #define TUNNEL_CLIENT_AUTH 90 |
| 133 | #define TUNNEL_SERVER_AUTH 91 |
| 134 | /********************************/ |
| 135 | /* End Radius Attribute types */ |
| 136 | /********************************/ |
| 137 | |
| 138 | |
| 139 | static void print_attr_string(register u_char *, u_int, u_short ); |
| 140 | static void print_attr_num(register u_char *, u_int, u_short ); |
| 141 | static void print_vendor_attr(register u_char *, u_int, u_short ); |
| 142 | static void print_attr_address(register u_char *, u_int, u_short); |
| 143 | static void print_attr_time(register u_char *, u_int, u_short); |
| 144 | static void print_attr_strange(register u_char *, u_int, u_short); |
| 145 | |
| 146 | |
| 147 | struct radius_hdr { u_int8_t code; /* Radius packet code */ |
| 148 | u_int8_t id; /* Radius packet id */ |
| 149 | u_int16_t len; /* Radius total length */ |
| 150 | u_int8_t auth[16]; /* Authenticator */ |
| 151 | }; |
| 152 | |
| 153 | #define MIN_RADIUS_LEN 20 |
| 154 | |
| 155 | struct radius_attr { u_int8_t type; /* Attribute type */ |
| 156 | u_int8_t len; /* Attribute length */ |
| 157 | }; |
| 158 | |
| 159 | |
| 160 | /* Service-Type Attribute standard values */ |
| 161 | static const char *serv_type[]={ NULL, |
| 162 | "Login", |
| 163 | "Framed", |
| 164 | "Callback Login", |
| 165 | "Callback Framed", |
| 166 | "Outbound", |
| 167 | "Administrative", |
| 168 | "NAS Prompt", |
| 169 | "Authenticate Only", |
| 170 | "Callback NAS Prompt", |
| 171 | "Call Check", |
| 172 | "Callback Administrative", |
| 173 | }; |
| 174 | |
| 175 | /* Framed-Protocol Attribute standard values */ |
| 176 | static const char *frm_proto[]={ NULL, |
| 177 | "PPP", |
| 178 | "SLIP", |
| 179 | "ARAP", |
| 180 | "Gandalf proprietary", |
| 181 | "Xylogics IPX/SLIP", |
| 182 | "X.75 Synchronous", |
| 183 | }; |
| 184 | |
| 185 | /* Framed-Routing Attribute standard values */ |
| 186 | static const char *frm_routing[]={ "None", |
| 187 | "Send", |
| 188 | "Listen", |
| 189 | "Send&Listen", |
| 190 | }; |
| 191 | |
| 192 | /* Framed-Compression Attribute standard values */ |
| 193 | static const char *frm_comp[]={ "None", |
| 194 | "VJ TCP/IP", |
| 195 | "IPX", |
| 196 | "Stac-LZS", |
| 197 | }; |
| 198 | |
| 199 | /* Login-Service Attribute standard values */ |
| 200 | static const char *login_serv[]={ "Telnet", |
| 201 | "Rlogin", |
| 202 | "TCP Clear", |
| 203 | "PortMaster(proprietary)", |
| 204 | "LAT", |
| 205 | "X.25-PAD", |
| 206 | "X.25-T3POS", |
| 207 | "Unassigned", |
| 208 | "TCP Clear Quiet", |
| 209 | }; |
| 210 | |
| 211 | |
| 212 | /* Termination-Action Attribute standard values */ |
| 213 | static const char *term_action[]={ "Default", |
| 214 | "RADIUS-Request", |
| 215 | }; |
| 216 | |
| 217 | /* NAS-Port-Type Attribute standard values */ |
| 218 | static const char *nas_port_type[]={ "Async", |
| 219 | "Sync", |
| 220 | "ISDN Sync", |
| 221 | "ISDN Async V.120", |
| 222 | "ISDN Async V.110", |
| 223 | "Virtual", |
| 224 | "PIAFS", |
| 225 | "HDLC Clear Channel", |
| 226 | "X.25", |
| 227 | "X.75", |
| 228 | "G.3 Fax", |
| 229 | "SDSL", |
| 230 | "ADSL-CAP", |
| 231 | "ADSL-DMT", |
| 232 | "ISDN-DSL", |
| 233 | "Ethernet", |
| 234 | "xDSL", |
| 235 | "Cable", |
| 236 | "Wireless - Other", |
| 237 | "Wireless - IEEE 802.11", |
| 238 | }; |
| 239 | |
| 240 | /* Acct-Status-Type Accounting Attribute standard values */ |
| 241 | static const char *acct_status[]={ NULL, |
| 242 | "Start", |
| 243 | "Stop", |
| 244 | "Interim-Update", |
| 245 | "Unassigned", |
| 246 | "Unassigned", |
| 247 | "Unassigned", |
| 248 | "Accounting-On", |
| 249 | "Accounting-Off", |
| 250 | "Tunnel-Start", |
| 251 | "Tunnel-Stop", |
| 252 | "Tunnel-Reject", |
| 253 | "Tunnel-Link-Start", |
| 254 | "Tunnel-Link-Stop", |
| 255 | "Tunnel-Link-Reject", |
| 256 | "Failed", |
| 257 | }; |
| 258 | |
| 259 | /* Acct-Authentic Accounting Attribute standard values */ |
| 260 | static const char *acct_auth[]={ NULL, |
| 261 | "RADIUS", |
| 262 | "Local", |
| 263 | "Remote", |
| 264 | }; |
| 265 | |
| 266 | /* Acct-Terminate-Cause Accounting Attribute standard values */ |
| 267 | static const char *acct_term[]={ NULL, |
| 268 | "User Request", |
| 269 | "Lost Carrier", |
| 270 | "Lost Service", |
| 271 | "Idle Timeout", |
| 272 | "Session Timeout", |
| 273 | "Admin Reset", |
| 274 | "Admin Reboot", |
| 275 | "Port Error", |
| 276 | "NAS Error", |
| 277 | "NAS Request", |
| 278 | "NAS Reboot", |
| 279 | "Port Unneeded", |
| 280 | "Port Preempted", |
| 281 | "Port Suspended", |
| 282 | "Service Unavailable", |
| 283 | "Callback", |
| 284 | "User Error", |
| 285 | "Host Request", |
| 286 | }; |
| 287 | |
| 288 | /* Tunnel-Type Attribute standard values */ |
| 289 | static const char *tunnel_type[]={ NULL, |
| 290 | "PPTP", |
| 291 | "L2F", |
| 292 | "L2TP", |
| 293 | "ATMP", |
| 294 | "VTP", |
| 295 | "AH", |
| 296 | "IP-IP", |
| 297 | "MIN-IP-IP", |
| 298 | "ESP", |
| 299 | "GRE", |
| 300 | "DVS", |
| 301 | "IP-in-IP Tunneling", |
| 302 | }; |
| 303 | |
| 304 | /* Tunnel-Medium-Type Attribute standard values */ |
| 305 | static const char *tunnel_medium[]={ NULL, |
| 306 | "IPv4", |
| 307 | "IPv6", |
| 308 | "NSAP", |
| 309 | "HDLC", |
| 310 | "BBN 1822", |
| 311 | "802", |
| 312 | "E.163", |
| 313 | "E.164", |
| 314 | "F.69", |
| 315 | "X.121", |
| 316 | "IPX", |
| 317 | "Appletalk", |
| 318 | "Decnet IV", |
| 319 | "Banyan Vines", |
| 320 | "E.164 with NSAP subaddress", |
| 321 | }; |
| 322 | |
| 323 | /* ARAP-Zone-Access Attribute standard values */ |
| 324 | static const char *arap_zone[]={ NULL, |
| 325 | "Only access to dfl zone", |
| 326 | "Use zone filter inc.", |
| 327 | "Not used", |
| 328 | "Use zone filter exc.", |
| 329 | }; |
| 330 | |
| 331 | static const char *prompt[]={ "No Echo", |
| 332 | "Echo", |
| 333 | }; |
| 334 | |
| 335 | |
| 336 | struct attrtype { const char *name; /* Attribute name */ |
| 337 | const char **subtypes; /* Standard Values (if any) */ |
| 338 | u_char siz_subtypes; /* Size of total standard values */ |
| 339 | u_char first_subtype; /* First standard value is 0 or 1 */ |
| 340 | void (*print_func)(register u_char *, u_int, u_short ); |
| 341 | } attr_type[]= |
| 342 | { |
| 343 | { NULL, NULL, 0, 0, NULL }, |
| 344 | { "Username", NULL, 0, 0, print_attr_string }, |
| 345 | { "Password", NULL, 0, 0, NULL }, |
| 346 | { "CHAP Password", NULL, 0, 0, NULL }, |
| 347 | { "NAS IP Address", NULL, 0, 0, print_attr_address }, |
| 348 | { "NAS Port", NULL, 0, 0, print_attr_num }, |
| 349 | { "Service Type", serv_type, TAM_SIZE(serv_type)-1, 1, print_attr_num }, |
| 350 | { "Framed Protocol", frm_proto, TAM_SIZE(frm_proto)-1, 1, print_attr_num }, |
| 351 | { "Framed IP Address", NULL, 0, 0, print_attr_address }, |
| 352 | { "Framed IP Network", NULL, 0, 0, print_attr_address }, |
| 353 | { "Framed Routing", frm_routing, TAM_SIZE(frm_routing), 0, print_attr_num }, |
| 354 | { "Filter ID", NULL, 0, 0, print_attr_string }, |
| 355 | { "Framed MTU", NULL, 0, 0, print_attr_num }, |
| 356 | { "Framed Compression", frm_comp, TAM_SIZE(frm_comp), 0, print_attr_num }, |
| 357 | { "Login IP Host", NULL, 0, 0, print_attr_address }, |
| 358 | { "Login Service", login_serv, TAM_SIZE(login_serv), 0, print_attr_num }, |
| 359 | { "Login TCP Port", NULL, 0, 0, print_attr_num }, |
| 360 | { "Unassigned", NULL, 0, 0, NULL }, /*17*/ |
| 361 | { "Reply", NULL, 0, 0, print_attr_string }, |
| 362 | { "Callback-number", NULL, 0, 0, print_attr_string }, |
| 363 | { "Callback-ID", NULL, 0, 0, print_attr_string }, |
| 364 | { "Unassigned", NULL, 0, 0, NULL }, /*21*/ |
| 365 | { "Framed Route", NULL, 0, 0, print_attr_string }, |
| 366 | { "Framed IPX Network", NULL, 0, 0, print_attr_num }, |
| 367 | { "State", NULL, 0, 0, print_attr_string }, |
| 368 | { "Class", NULL, 0, 0, print_attr_string }, |
| 369 | { "Vendor Specific", NULL, 0, 0, print_vendor_attr }, |
| 370 | { "Session Timeout", NULL, 0, 0, print_attr_num }, |
| 371 | { "Idle Timeout", NULL, 0, 0, print_attr_num }, |
| 372 | { "Termination Action", term_action, TAM_SIZE(term_action), 0, print_attr_num }, |
| 373 | { "Called Station", NULL, 0, 0, print_attr_string }, |
| 374 | { "Calling Station", NULL, 0, 0, print_attr_string }, |
| 375 | { "NAS ID", NULL, 0, 0, print_attr_string }, |
| 376 | { "Proxy State", NULL, 0, 0, print_attr_string }, |
| 377 | { "Login LAT Service", NULL, 0, 0, print_attr_string }, |
| 378 | { "Login LAT Node", NULL, 0, 0, print_attr_string }, |
| 379 | { "Login LAT Group", NULL, 0, 0, print_attr_string }, |
| 380 | { "Framed Appletalk Link", NULL, 0, 0, print_attr_num }, |
| 381 | { "Framed Appltalk Net", NULL, 0, 0, print_attr_num }, |
| 382 | { "Framed Appletalk Zone", NULL, 0, 0, print_attr_string }, |
| 383 | { "Accounting Status", acct_status, TAM_SIZE(acct_status)-1, 1, print_attr_num }, |
| 384 | { "Accounting Delay", NULL, 0, 0, print_attr_num }, |
| 385 | { "Accounting Input Octets", NULL, 0, 0, print_attr_num }, |
| 386 | { "Accounting Output Octets", NULL, 0, 0, print_attr_num }, |
| 387 | { "Accounting Session ID", NULL, 0, 0, print_attr_string }, |
| 388 | { "Accounting Authentication", acct_auth, TAM_SIZE(acct_auth)-1, 1, print_attr_num }, |
| 389 | { "Accounting Session Time", NULL, 0, 0, print_attr_num }, |
| 390 | { "Accounting Input Packets", NULL, 0, 0, print_attr_num }, |
| 391 | { "Accounting Output Packets", NULL, 0, 0, print_attr_num }, |
| 392 | { "Accounting Termination Cause", acct_term, TAM_SIZE(acct_term)-1, 1, print_attr_num }, |
| 393 | { "Accounting Multilink Session ID", NULL, 0, 0, print_attr_string }, |
| 394 | { "Accounting Link Count", NULL, 0, 0, print_attr_num }, |
| 395 | { "Accounting Input Giga", NULL, 0, 0, print_attr_num }, |
| 396 | { "Accounting Output Giga", NULL, 0, 0, print_attr_num }, |
| 397 | { "Unassigned", NULL, 0, 0, NULL }, /*54*/ |
| 398 | { "Event Timestamp", NULL, 0, 0, print_attr_time }, |
| 399 | { "Unassigned", NULL, 0, 0, NULL }, /*56*/ |
| 400 | { "Unassigned", NULL, 0, 0, NULL }, /*57*/ |
| 401 | { "Unassigned", NULL, 0, 0, NULL }, /*58*/ |
| 402 | { "Unassigned", NULL, 0, 0, NULL }, /*59*/ |
| 403 | { "CHAP challenge", NULL, 0, 0, print_attr_string }, |
| 404 | { "NAS Port Type", nas_port_type, TAM_SIZE(nas_port_type), 0, print_attr_num }, |
| 405 | { "Port Limit", NULL, 0, 0, print_attr_num }, |
| 406 | { "Login LAT Port", NULL, 0, 0, print_attr_string }, /*63*/ |
| 407 | { "Tunnel Type", tunnel_type, TAM_SIZE(tunnel_type)-1, 1, print_attr_num }, |
| 408 | { "Tunnel Medium", tunnel_medium, TAM_SIZE(tunnel_medium)-1, 1, print_attr_num }, |
| 409 | { "Tunnel Client End", NULL, 0, 0, print_attr_string }, |
| 410 | { "Tunnel Server End", NULL, 0, 0, print_attr_string }, |
| 411 | { "Accounting Tunnel connect", NULL, 0, 0, print_attr_string }, |
| 412 | { "Tunnel Password", NULL, 0, 0, print_attr_string }, |
| 413 | { "ARAP Password", NULL, 0, 0, print_attr_strange }, |
| 414 | { "ARAP Feature", NULL, 0, 0, print_attr_strange }, |
| 415 | { "ARAP Zone Acces", arap_zone, TAM_SIZE(arap_zone)-1, 1, print_attr_num }, /*72*/ |
| 416 | { "ARAP Security", NULL, 0, 0, print_attr_string }, |
| 417 | { "ARAP Security Data", NULL, 0, 0, print_attr_string }, |
| 418 | { "Password Retry", NULL, 0, 0, print_attr_num }, |
| 419 | { "Prompt", prompt, TAM_SIZE(prompt), 0, print_attr_num }, |
| 420 | { "Connect Info", NULL, 0, 0, print_attr_string }, |
| 421 | { "Config Token", NULL, 0, 0, print_attr_string }, |
| 422 | { "EAP Message", NULL, 0, 0, print_attr_string }, |
| 423 | { "Message Authentication", NULL, 0, 0, print_attr_string }, /*80*/ |
| 424 | { "Tunnel Private Group", NULL, 0, 0, print_attr_string }, |
| 425 | { "Tunnel Assigned ID", NULL, 0, 0, print_attr_string }, |
| 426 | { "Tunnel Preference", NULL, 0, 0, print_attr_num }, |
| 427 | { "ARAP Challenge Response", NULL, 0, 0, print_attr_strange }, |
| 428 | { "Accounting Interim Interval", NULL, 0, 0, print_attr_num }, |
| 429 | { "Accounting Tunnel packets lost", NULL, 0, 0, print_attr_num }, /*86*/ |
| 430 | { "NAS Port ID", NULL, 0, 0, print_attr_string }, |
| 431 | { "Framed Pool", NULL, 0, 0, print_attr_string }, |
| 432 | { "Unassigned", NULL, 0, 0, NULL }, |
| 433 | { "Tunnel Client Authentication ID", NULL, 0, 0, print_attr_string }, |
| 434 | { "Tunnel Server Authentication ID", NULL, 0, 0, print_attr_string }, |
| 435 | { "Unassigned", NULL, 0, 0, NULL }, /*92*/ |
| 436 | { "Unassigned", NULL, 0, 0, NULL } /*93*/ |
| 437 | }; |
| 438 | |
| 439 | |
| 440 | /*****************************/ |
| 441 | /* Print an attribute string */ |
| 442 | /* value pointed by 'data' */ |
| 443 | /* and 'length' size. */ |
| 444 | /*****************************/ |
| 445 | /* Returns nothing. */ |
| 446 | /*****************************/ |
| 447 | static void |
| 448 | print_attr_string(register u_char *data, u_int length, u_short attr_code ) |
| 449 | { |
| 450 | register u_int i; |
| 451 | |
| 452 | TCHECK2(data[0],length); |
| 453 | |
| 454 | switch(attr_code) |
| 455 | { |
| 456 | case TUNNEL_PASS: |
| 457 | if (length < 3) |
| 458 | { |
| 459 | printf(" [|radius]"); |
| 460 | return; |
| 461 | } |
| 462 | if (*data && (*data <=0x1F) ) |
| 463 | printf("Tag %u, ",*data); |
| 464 | data++; |
| 465 | length--; |
| 466 | printf("Salt %u ",EXTRACT_16BITS(data) ); |
| 467 | data+=2; |
| 468 | length-=2; |
| 469 | break; |
| 470 | case TUNNEL_CLIENT_END: |
| 471 | case TUNNEL_SERVER_END: |
| 472 | case TUNNEL_PRIV_GROUP: |
| 473 | case TUNNEL_ASSIGN_ID: |
| 474 | case TUNNEL_CLIENT_AUTH: |
| 475 | case TUNNEL_SERVER_AUTH: |
| 476 | if (*data <= 0x1F) |
| 477 | { |
| 478 | if (length < 1) |
| 479 | { |
| 480 | printf(" [|radius]"); |
| 481 | return; |
| 482 | } |
| 483 | printf("Tag %u",*data); |
| 484 | data++; |
| 485 | length--; |
| 486 | } |
| 487 | break; |
| 488 | } |
| 489 | |
| 490 | for (i=0; *data && i < length ; i++, data++) |
| 491 | printf("%c",(*data < 32 || *data > 128) ? '.' : *data ); |
| 492 | |
| 493 | return; |
| 494 | |
| 495 | trunc: |
| 496 | printf(" [|radius]"); |
| 497 | } |
| 498 | |
| 499 | /* |
| 500 | * print vendor specific attributes |
| 501 | */ |
| 502 | |
| 503 | static void |
| 504 | print_vendor_attr(register u_char *data, u_int length, u_short attr_code _U_) |
| 505 | { |
| 506 | u_int idx; |
| 507 | u_int vendor_id; |
| 508 | u_int vendor_type; |
| 509 | u_int vendor_length; |
| 510 | |
| 511 | if (length < 4) |
| 512 | goto trunc; |
| 513 | TCHECK2(*data, 4); |
| 514 | vendor_id = EXTRACT_32BITS(data); |
| 515 | data+=4; |
| 516 | length-=4; |
| 517 | |
| 518 | printf("Vendor: %s (%u)", |
| 519 | tok2str(smi_values,"Unknown",vendor_id), |
| 520 | vendor_id); |
| 521 | |
| 522 | while (length >= 2) { |
| 523 | TCHECK2(*data, 2); |
| 524 | |
| 525 | vendor_type = *(data); |
| 526 | vendor_length = *(data+1); |
| 527 | |
| 528 | if (vendor_length < 2) |
| 529 | { |
| 530 | printf("\n\t Vendor Attribute: %u, Length: %u (bogus, must be >= 2)", |
| 531 | vendor_type, |
| 532 | vendor_length); |
| 533 | return; |
| 534 | } |
| 535 | if (vendor_length > length) |
| 536 | { |
| 537 | printf("\n\t Vendor Attribute: %u, Length: %u (bogus, goes past end of vendor-specific attribute)", |
| 538 | vendor_type, |
| 539 | vendor_length); |
| 540 | return; |
| 541 | } |
| 542 | data+=2; |
| 543 | vendor_length-=2; |
| 544 | length-=2; |
| 545 | TCHECK2(*data, vendor_length); |
| 546 | |
| 547 | printf("\n\t Vendor Attribute: %u, Length: %u, Value: ", |
| 548 | vendor_type, |
| 549 | vendor_length); |
| 550 | for (idx = 0; idx < vendor_length ; idx++, data++) |
| 551 | printf("%c",(*data < 32 || *data > 128) ? '.' : *data ); |
| 552 | length-=vendor_length; |
| 553 | } |
| 554 | return; |
| 555 | |
| 556 | trunc: |
| 557 | printf(" [|radius]"); |
| 558 | } |
| 559 | |
| 560 | |
| 561 | |
| 562 | /******************************/ |
| 563 | /* Print an attribute numeric */ |
| 564 | /* value pointed by 'data' */ |
| 565 | /* and 'length' size. */ |
| 566 | /******************************/ |
| 567 | /* Returns nothing. */ |
| 568 | /******************************/ |
| 569 | static void |
| 570 | print_attr_num(register u_char *data, u_int length, u_short attr_code ) |
| 571 | { |
| 572 | u_int8_t tag; |
| 573 | u_int32_t timeout; |
| 574 | |
| 575 | if (length != 4) |
| 576 | { |
| 577 | printf("ERROR: length %u != 4", length); |
| 578 | return; |
| 579 | } |
| 580 | |
| 581 | TCHECK2(data[0],4); |
| 582 | /* This attribute has standard values */ |
| 583 | if (attr_type[attr_code].siz_subtypes) |
| 584 | { |
| 585 | static const char **table; |
| 586 | u_int32_t data_value; |
| 587 | table = attr_type[attr_code].subtypes; |
| 588 | |
| 589 | if ( (attr_code == TUNNEL_TYPE) || (attr_code == TUNNEL_MEDIUM) ) |
| 590 | { |
| 591 | if (!*data) |
| 592 | printf("Tag[Unused]"); |
| 593 | else |
| 594 | printf("Tag[%d]", *data); |
| 595 | data++; |
| 596 | data_value = EXTRACT_24BITS(data); |
| 597 | } |
| 598 | else |
| 599 | { |
| 600 | data_value = EXTRACT_32BITS(data); |
| 601 | } |
| 602 | if ( data_value <= (u_int32_t)(attr_type[attr_code].siz_subtypes - 1 + |
| 603 | attr_type[attr_code].first_subtype) && |
| 604 | data_value >= attr_type[attr_code].first_subtype ) |
| 605 | printf("%s",table[data_value]); |
| 606 | else |
| 607 | printf("#%u",data_value); |
| 608 | } |
| 609 | else |
| 610 | { |
| 611 | switch(attr_code) /* Be aware of special cases... */ |
| 612 | { |
| 613 | case FRM_IPX: |
| 614 | if (EXTRACT_32BITS( data) == 0xFFFFFFFE ) |
| 615 | printf("NAS Select"); |
| 616 | else |
| 617 | printf("%d",EXTRACT_32BITS( data) ); |
| 618 | break; |
| 619 | |
| 620 | case SESSION_TIMEOUT: |
| 621 | case IDLE_TIMEOUT: |
| 622 | case ACCT_DELAY: |
| 623 | case ACCT_SESSION_TIME: |
| 624 | case ACCT_INT_INTERVAL: |
| 625 | timeout = EXTRACT_32BITS( data); |
| 626 | if ( timeout < 60 ) |
| 627 | printf( "%02d secs", timeout); |
| 628 | else |
| 629 | { |
| 630 | if ( timeout < 3600 ) |
| 631 | printf( "%02d:%02d min", |
| 632 | timeout / 60, timeout % 60); |
| 633 | else |
| 634 | printf( "%02d:%02d:%02d hours", |
| 635 | timeout / 3600, (timeout % 3600) / 60, |
| 636 | timeout % 60); |
| 637 | } |
| 638 | break; |
| 639 | |
| 640 | case FRM_ATALK_LINK: |
| 641 | if (EXTRACT_32BITS(data) ) |
| 642 | printf("%d",EXTRACT_32BITS(data) ); |
| 643 | else |
| 644 | printf("Unnumbered" ); |
| 645 | break; |
| 646 | |
| 647 | case FRM_ATALK_NETWORK: |
| 648 | if (EXTRACT_32BITS(data) ) |
| 649 | printf("%d",EXTRACT_32BITS(data) ); |
| 650 | else |
| 651 | printf("NAS assigned" ); |
| 652 | break; |
| 653 | |
| 654 | case TUNNEL_PREFERENCE: |
| 655 | tag = *data; |
| 656 | data++; |
| 657 | if (tag == 0) |
| 658 | printf("Tag (Unused) %d",EXTRACT_24BITS(data) ); |
| 659 | else |
| 660 | printf("Tag (%d) %d", tag, EXTRACT_24BITS(data) ); |
| 661 | break; |
| 662 | |
| 663 | default: |
| 664 | printf("%d",EXTRACT_32BITS( data) ); |
| 665 | break; |
| 666 | |
| 667 | } /* switch */ |
| 668 | |
| 669 | } /* if-else */ |
| 670 | |
| 671 | return; |
| 672 | |
| 673 | trunc: |
| 674 | printf(" [|radius]"); |
| 675 | } |
| 676 | |
| 677 | |
| 678 | /*****************************/ |
| 679 | /* Print an attribute IPv4 */ |
| 680 | /* address value pointed by */ |
| 681 | /* 'data' and 'length' size. */ |
| 682 | /*****************************/ |
| 683 | /* Returns nothing. */ |
| 684 | /*****************************/ |
| 685 | static void |
| 686 | print_attr_address(register u_char *data, u_int length, u_short attr_code ) |
| 687 | { |
| 688 | if (length != 4) |
| 689 | { |
| 690 | printf("ERROR: length %u != 4", length); |
| 691 | return; |
| 692 | } |
| 693 | |
| 694 | TCHECK2(data[0],4); |
| 695 | |
| 696 | switch(attr_code) |
| 697 | { |
| 698 | case FRM_IPADDR: |
| 699 | case LOG_IPHOST: |
| 700 | if (EXTRACT_32BITS(data) == 0xFFFFFFFF ) |
| 701 | printf("User Selected"); |
| 702 | else |
| 703 | if (EXTRACT_32BITS(data) == 0xFFFFFFFE ) |
| 704 | printf("NAS Select"); |
| 705 | else |
| 706 | printf("%s",ipaddr_string(data)); |
| 707 | break; |
| 708 | |
| 709 | default: |
| 710 | printf("%s",ipaddr_string(data) ); |
| 711 | break; |
| 712 | } |
| 713 | |
| 714 | return; |
| 715 | |
| 716 | trunc: |
| 717 | printf(" [|radius]"); |
| 718 | } |
| 719 | |
| 720 | |
| 721 | /*************************************/ |
| 722 | /* Print an attribute of 'secs since */ |
| 723 | /* January 1, 1970 00:00 UTC' value */ |
| 724 | /* pointed by 'data' and 'length' */ |
| 725 | /* size. */ |
| 726 | /*************************************/ |
| 727 | /* Returns nothing. */ |
| 728 | /*************************************/ |
| 729 | static void print_attr_time(register u_char *data, u_int length, u_short attr_code _U_) |
| 730 | { |
| 731 | time_t attr_time; |
| 732 | char string[26]; |
| 733 | |
| 734 | if (length != 4) |
| 735 | { |
| 736 | printf("ERROR: length %u != 4", length); |
| 737 | return; |
| 738 | } |
| 739 | |
| 740 | TCHECK2(data[0],4); |
| 741 | |
| 742 | attr_time = EXTRACT_32BITS(data); |
| 743 | strlcpy(string, ctime(&attr_time), sizeof(string)); |
| 744 | /* Get rid of the newline */ |
| 745 | string[24] = '\0'; |
| 746 | printf("%.24s", string); |
| 747 | return; |
| 748 | |
| 749 | trunc: |
| 750 | printf(" [|radius]"); |
| 751 | } |
| 752 | |
| 753 | |
| 754 | /***********************************/ |
| 755 | /* Print an attribute of 'strange' */ |
| 756 | /* data format pointed by 'data' */ |
| 757 | /* and 'length' size. */ |
| 758 | /***********************************/ |
| 759 | /* Returns nothing. */ |
| 760 | /***********************************/ |
| 761 | static void print_attr_strange(register u_char *data, u_int length, u_short attr_code) |
| 762 | { |
| 763 | u_short len_data; |
| 764 | |
| 765 | switch(attr_code) |
| 766 | { |
| 767 | case ARAP_PASS: |
| 768 | if (length != 16) |
| 769 | { |
| 770 | printf("ERROR: length %u != 16", length); |
| 771 | return; |
| 772 | } |
| 773 | printf("User_challenge ("); |
| 774 | TCHECK2(data[0],8); |
| 775 | len_data = 8; |
| 776 | PRINT_HEX(len_data, data); |
| 777 | printf(") User_resp("); |
| 778 | TCHECK2(data[0],8); |
| 779 | len_data = 8; |
| 780 | PRINT_HEX(len_data, data); |
| 781 | printf(")"); |
| 782 | break; |
| 783 | |
| 784 | case ARAP_FEATURES: |
| 785 | if (length != 14) |
| 786 | { |
| 787 | printf("ERROR: length %u != 14", length); |
| 788 | return; |
| 789 | } |
| 790 | TCHECK2(data[0],1); |
| 791 | if (*data) |
| 792 | printf("User can change password"); |
| 793 | else |
| 794 | printf("User cannot change password"); |
| 795 | data++; |
| 796 | TCHECK2(data[0],1); |
| 797 | printf(", Min password length: %d",*data); |
| 798 | data++; |
| 799 | printf(", created at: "); |
| 800 | TCHECK2(data[0],4); |
| 801 | len_data = 4; |
| 802 | PRINT_HEX(len_data, data); |
| 803 | printf(", expires in: "); |
| 804 | TCHECK2(data[0],4); |
| 805 | len_data = 4; |
| 806 | PRINT_HEX(len_data, data); |
| 807 | printf(", Current Time: "); |
| 808 | TCHECK2(data[0],4); |
| 809 | len_data = 4; |
| 810 | PRINT_HEX(len_data, data); |
| 811 | break; |
| 812 | |
| 813 | case ARAP_CHALLENGE_RESP: |
| 814 | if (length < 8) |
| 815 | { |
| 816 | printf("ERROR: length %u != 8", length); |
| 817 | return; |
| 818 | } |
| 819 | TCHECK2(data[0],8); |
| 820 | len_data = 8; |
| 821 | PRINT_HEX(len_data, data); |
| 822 | break; |
| 823 | } |
| 824 | return; |
| 825 | |
| 826 | trunc: |
| 827 | printf(" [|radius]"); |
| 828 | } |
| 829 | |
| 830 | |
| 831 | |
| 832 | static void |
| 833 | radius_attrs_print(register const u_char *attr, u_int length) |
| 834 | { |
| 835 | register const struct radius_attr *rad_attr = (struct radius_attr *)attr; |
| 836 | const char *attr_string; |
| 837 | |
| 838 | while (length > 0) |
| 839 | { |
| 840 | if (length < 2) |
| 841 | goto trunc; |
| 842 | TCHECK(*rad_attr); |
| 843 | |
| 844 | if (rad_attr->type > 0 && rad_attr->type < TAM_SIZE(attr_type)) |
| 845 | attr_string = attr_type[rad_attr->type].name; |
| 846 | else |
| 847 | attr_string = "Unknown"; |
| 848 | if (rad_attr->len < 2) |
| 849 | { |
| 850 | printf("\n\t %s Attribute (%u), length: %u (bogus, must be >= 2)", |
| 851 | attr_string, |
| 852 | rad_attr->type, |
| 853 | rad_attr->len); |
| 854 | return; |
| 855 | } |
| 856 | if (rad_attr->len > length) |
| 857 | { |
| 858 | printf("\n\t %s Attribute (%u), length: %u (bogus, goes past end of packet)", |
| 859 | attr_string, |
| 860 | rad_attr->type, |
| 861 | rad_attr->len); |
| 862 | return; |
| 863 | } |
| 864 | printf("\n\t %s Attribute (%u), length: %u, Value: ", |
| 865 | attr_string, |
| 866 | rad_attr->type, |
| 867 | rad_attr->len); |
| 868 | |
| 869 | if (rad_attr->type < TAM_SIZE(attr_type)) |
| 870 | { |
| 871 | if (rad_attr->len > 2) |
| 872 | { |
| 873 | if ( attr_type[rad_attr->type].print_func ) |
| 874 | (*attr_type[rad_attr->type].print_func)( |
| 875 | ((u_char *)(rad_attr+1)), |
| 876 | rad_attr->len - 2, rad_attr->type); |
| 877 | } |
| 878 | } |
| 879 | /* do we also want to see a hex dump ? */ |
| 880 | if (vflag> 1) |
| 881 | print_unknown_data((u_char *)rad_attr+2,"\n\t ",(rad_attr->len)-2); |
| 882 | |
| 883 | length-=(rad_attr->len); |
| 884 | rad_attr = (struct radius_attr *)( ((char *)(rad_attr))+rad_attr->len); |
| 885 | } |
| 886 | return; |
| 887 | |
| 888 | trunc: |
| 889 | printf(" [|radius]"); |
| 890 | } |
| 891 | |
| 892 | |
| 893 | void |
| 894 | radius_print(const u_char *dat, u_int length) |
| 895 | { |
| 896 | register const struct radius_hdr *rad; |
| 897 | u_int len, auth_idx; |
| 898 | |
| 899 | TCHECK2(*dat, MIN_RADIUS_LEN); |
| 900 | rad = (struct radius_hdr *)dat; |
| 901 | len = EXTRACT_16BITS(&rad->len); |
| 902 | |
| 903 | if (len < MIN_RADIUS_LEN) |
| 904 | { |
| 905 | printf(" [|radius]"); |
| 906 | return; |
| 907 | } |
| 908 | |
| 909 | if (len > length) |
| 910 | len = length; |
| 911 | |
| 912 | if (vflag < 1) { |
| 913 | printf("RADIUS, %s (%u), id: 0x%02x length: %u", |
| 914 | tok2str(radius_command_values,"Unknown Command",rad->code), |
| 915 | rad->code, |
| 916 | rad->id, |
| 917 | len); |
| 918 | return; |
| 919 | } |
| 920 | else { |
| 921 | printf("RADIUS, length: %u\n\t%s (%u), id: 0x%02x, Authenticator: ", |
| 922 | len, |
| 923 | tok2str(radius_command_values,"Unknown Command",rad->code), |
| 924 | rad->code, |
| 925 | rad->id); |
| 926 | |
| 927 | for(auth_idx=0; auth_idx < 16; auth_idx++) |
| 928 | printf("%02x", rad->auth[auth_idx] ); |
| 929 | } |
| 930 | |
| 931 | if (len > MIN_RADIUS_LEN) |
| 932 | radius_attrs_print( dat + MIN_RADIUS_LEN, len - MIN_RADIUS_LEN); |
| 933 | return; |
| 934 | |
| 935 | trunc: |
| 936 | printf(" [|radius]"); |
| 937 | } |