2 * Copyright (C) 2000 Alfredo Andres Omella. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
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
14 * 3. The names of the authors may not be used to endorse or promote
15 * products derived from this software without specific prior
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.
23 * Radius printer routines as specified on:
26 * "Remote Authentication Dial In User Service (RADIUS)"
32 * "RADIUS Accounting Modifications for Tunnel Protocol Support"
35 * "RADIUS Attributes for Tunnel Protocol Support"
41 * "RADIUS Attributes for Virtual LAN and Priority Support"
44 * "Dynamic Authorization Extensions to RADIUS"
46 * Alfredo Andres Omella (aandres@s21sec.com) v0.1 2000/09/15
48 * TODO: Among other things to print ok MacIntosh and Vendor values
51 #define NETDISSECT_REWORKED
56 #include <tcpdump-stdinc.h>
60 #include "interface.h"
61 #include "addrtoname.h"
65 static const char tstr[] = " [|radius]";
67 #define TAM_SIZE(x) (sizeof(x)/sizeof(x[0]) )
69 #define PRINT_HEX(bytes_len, ptr_data) \
72 ND_PRINT((ndo, "%02X", *ptr_data )); \
78 /* Radius packet codes */
79 #define RADCMD_ACCESS_REQ 1 /* Access-Request */
80 #define RADCMD_ACCESS_ACC 2 /* Access-Accept */
81 #define RADCMD_ACCESS_REJ 3 /* Access-Reject */
82 #define RADCMD_ACCOUN_REQ 4 /* Accounting-Request */
83 #define RADCMD_ACCOUN_RES 5 /* Accounting-Response */
84 #define RADCMD_ACCESS_CHA 11 /* Access-Challenge */
85 #define RADCMD_STATUS_SER 12 /* Status-Server */
86 #define RADCMD_STATUS_CLI 13 /* Status-Client */
87 #define RADCMD_DISCON_REQ 40 /* Disconnect-Request */
88 #define RADCMD_DISCON_ACK 41 /* Disconnect-ACK */
89 #define RADCMD_DISCON_NAK 42 /* Disconnect-NAK */
90 #define RADCMD_COA_REQ 43 /* CoA-Request */
91 #define RADCMD_COA_ACK 44 /* CoA-ACK */
92 #define RADCMD_COA_NAK 45 /* CoA-NAK */
93 #define RADCMD_RESERVED 255 /* Reserved */
95 static const struct tok radius_command_values[] = {
96 { RADCMD_ACCESS_REQ, "Access-Request" },
97 { RADCMD_ACCESS_ACC, "Access-Accept" },
98 { RADCMD_ACCESS_REJ, "Access-Reject" },
99 { RADCMD_ACCOUN_REQ, "Accounting-Request" },
100 { RADCMD_ACCOUN_RES, "Accounting-Response" },
101 { RADCMD_ACCESS_CHA, "Access-Challenge" },
102 { RADCMD_STATUS_SER, "Status-Server" },
103 { RADCMD_STATUS_CLI, "Status-Client" },
104 { RADCMD_DISCON_REQ, "Disconnect-Request" },
105 { RADCMD_DISCON_ACK, "Disconnect-ACK" },
106 { RADCMD_DISCON_NAK, "Disconnect-NAK" },
107 { RADCMD_COA_REQ, "CoA-Request" },
108 { RADCMD_COA_ACK, "CoA-ACK" },
109 { RADCMD_COA_NAK, "CoA-NAK" },
110 { RADCMD_RESERVED, "Reserved" },
114 /********************************/
115 /* Begin Radius Attribute types */
116 /********************************/
119 #define LOG_IPHOST 14
120 #define LOG_SERVICE 15
122 #define SESSION_TIMEOUT 27
123 #define IDLE_TIMEOUT 28
124 #define FRM_ATALK_LINK 37
125 #define FRM_ATALK_NETWORK 38
127 #define ACCT_DELAY 41
128 #define ACCT_SESSION_TIME 46
130 #define EGRESS_VLAN_ID 56
131 #define EGRESS_VLAN_NAME 58
133 #define TUNNEL_TYPE 64
134 #define TUNNEL_MEDIUM 65
135 #define TUNNEL_CLIENT_END 66
136 #define TUNNEL_SERVER_END 67
137 #define TUNNEL_PASS 69
140 #define ARAP_FEATURES 71
142 #define TUNNEL_PRIV_GROUP 81
143 #define TUNNEL_ASSIGN_ID 82
144 #define TUNNEL_PREFERENCE 83
146 #define ARAP_CHALLENGE_RESP 84
147 #define ACCT_INT_INTERVAL 85
149 #define TUNNEL_CLIENT_AUTH 90
150 #define TUNNEL_SERVER_AUTH 91
151 /********************************/
152 /* End Radius Attribute types */
153 /********************************/
155 #define RFC4675_TAGGED 0x31
156 #define RFC4675_UNTAGGED 0x32
158 static const struct tok rfc4675_tagged[] = {
159 { RFC4675_TAGGED, "Tagged" },
160 { RFC4675_UNTAGGED, "Untagged" },
165 static void print_attr_string(netdissect_options *, register u_char *, u_int, u_short );
166 static void print_attr_num(netdissect_options *, register u_char *, u_int, u_short );
167 static void print_vendor_attr(netdissect_options *, register u_char *, u_int, u_short );
168 static void print_attr_address(netdissect_options *, register u_char *, u_int, u_short);
169 static void print_attr_time(netdissect_options *, register u_char *, u_int, u_short);
170 static void print_attr_strange(netdissect_options *, register u_char *, u_int, u_short);
173 struct radius_hdr { uint8_t code; /* Radius packet code */
174 uint8_t id; /* Radius packet id */
175 uint16_t len; /* Radius total length */
176 uint8_t auth[16]; /* Authenticator */
179 #define MIN_RADIUS_LEN 20
181 struct radius_attr { uint8_t type; /* Attribute type */
182 uint8_t len; /* Attribute length */
186 /* Service-Type Attribute standard values */
187 static const char *serv_type[]={ NULL,
196 "Callback NAS Prompt",
198 "Callback Administrative",
201 /* Framed-Protocol Attribute standard values */
202 static const char *frm_proto[]={ NULL,
206 "Gandalf proprietary",
211 /* Framed-Routing Attribute standard values */
212 static const char *frm_routing[]={ "None",
218 /* Framed-Compression Attribute standard values */
219 static const char *frm_comp[]={ "None",
225 /* Login-Service Attribute standard values */
226 static const char *login_serv[]={ "Telnet",
229 "PortMaster(proprietary)",
238 /* Termination-Action Attribute standard values */
239 static const char *term_action[]={ "Default",
243 /* Ingress-Filters Attribute standard values */
244 static const char *ingress_filters[]={ NULL,
249 /* NAS-Port-Type Attribute standard values */
250 static const char *nas_port_type[]={ "Async",
257 "HDLC Clear Channel",
269 "Wireless - IEEE 802.11",
272 /* Acct-Status-Type Accounting Attribute standard values */
273 static const char *acct_status[]={ NULL,
287 "Tunnel-Link-Reject",
291 /* Acct-Authentic Accounting Attribute standard values */
292 static const char *acct_auth[]={ NULL,
298 /* Acct-Terminate-Cause Accounting Attribute standard values */
299 static const char *acct_term[]={ NULL,
314 "Service Unavailable",
320 /* Tunnel-Type Attribute standard values */
321 static const char *tunnel_type[]={ NULL,
333 "IP-in-IP Tunneling",
336 /* Tunnel-Medium-Type Attribute standard values */
337 static const char *tunnel_medium[]={ NULL,
352 "E.164 with NSAP subaddress",
355 /* ARAP-Zone-Access Attribute standard values */
356 static const char *arap_zone[]={ NULL,
357 "Only access to dfl zone",
358 "Use zone filter inc.",
360 "Use zone filter exc.",
363 static const char *prompt[]={ "No Echo",
368 struct attrtype { const char *name; /* Attribute name */
369 const char **subtypes; /* Standard Values (if any) */
370 u_char siz_subtypes; /* Size of total standard values */
371 u_char first_subtype; /* First standard value is 0 or 1 */
372 void (*print_func)(netdissect_options *, register u_char *, u_int, u_short);
375 { NULL, NULL, 0, 0, NULL },
376 { "User-Name", NULL, 0, 0, print_attr_string },
377 { "User-Password", NULL, 0, 0, NULL },
378 { "CHAP-Password", NULL, 0, 0, NULL },
379 { "NAS-IP-Address", NULL, 0, 0, print_attr_address },
380 { "NAS-Port", NULL, 0, 0, print_attr_num },
381 { "Service-Type", serv_type, TAM_SIZE(serv_type)-1, 1, print_attr_num },
382 { "Framed-Protocol", frm_proto, TAM_SIZE(frm_proto)-1, 1, print_attr_num },
383 { "Framed-IP-Address", NULL, 0, 0, print_attr_address },
384 { "Framed-IP-Netmask", NULL, 0, 0, print_attr_address },
385 { "Framed-Routing", frm_routing, TAM_SIZE(frm_routing), 0, print_attr_num },
386 { "Filter-Id", NULL, 0, 0, print_attr_string },
387 { "Framed-MTU", NULL, 0, 0, print_attr_num },
388 { "Framed-Compression", frm_comp, TAM_SIZE(frm_comp), 0, print_attr_num },
389 { "Login-IP-Host", NULL, 0, 0, print_attr_address },
390 { "Login-Service", login_serv, TAM_SIZE(login_serv), 0, print_attr_num },
391 { "Login-TCP-Port", NULL, 0, 0, print_attr_num },
392 { "Unassigned", NULL, 0, 0, NULL }, /*17*/
393 { "Reply-Message", NULL, 0, 0, print_attr_string },
394 { "Callback-Number", NULL, 0, 0, print_attr_string },
395 { "Callback-Id", NULL, 0, 0, print_attr_string },
396 { "Unassigned", NULL, 0, 0, NULL }, /*21*/
397 { "Framed-Route", NULL, 0, 0, print_attr_string },
398 { "Framed-IPX-Network", NULL, 0, 0, print_attr_num },
399 { "State", NULL, 0, 0, print_attr_string },
400 { "Class", NULL, 0, 0, print_attr_string },
401 { "Vendor-Specific", NULL, 0, 0, print_vendor_attr },
402 { "Session-Timeout", NULL, 0, 0, print_attr_num },
403 { "Idle-Timeout", NULL, 0, 0, print_attr_num },
404 { "Termination-Action", term_action, TAM_SIZE(term_action), 0, print_attr_num },
405 { "Called-Station-Id", NULL, 0, 0, print_attr_string },
406 { "Calling-Station-Id", NULL, 0, 0, print_attr_string },
407 { "NAS-Identifier", NULL, 0, 0, print_attr_string },
408 { "Proxy-State", NULL, 0, 0, print_attr_string },
409 { "Login-LAT-Service", NULL, 0, 0, print_attr_string },
410 { "Login-LAT-Node", NULL, 0, 0, print_attr_string },
411 { "Login-LAT-Group", NULL, 0, 0, print_attr_string },
412 { "Framed-AppleTalk-Link", NULL, 0, 0, print_attr_num },
413 { "Framed-AppleTalk-Network", NULL, 0, 0, print_attr_num },
414 { "Framed-AppleTalk-Zone", NULL, 0, 0, print_attr_string },
415 { "Acct-Status-Type", acct_status, TAM_SIZE(acct_status)-1, 1, print_attr_num },
416 { "Acct-Delay-Time", NULL, 0, 0, print_attr_num },
417 { "Acct-Input-Octets", NULL, 0, 0, print_attr_num },
418 { "Acct-Output-Octets", NULL, 0, 0, print_attr_num },
419 { "Acct-Session-Id", NULL, 0, 0, print_attr_string },
420 { "Acct-Authentic", acct_auth, TAM_SIZE(acct_auth)-1, 1, print_attr_num },
421 { "Acct-Session-Time", NULL, 0, 0, print_attr_num },
422 { "Acct-Input-Packets", NULL, 0, 0, print_attr_num },
423 { "Acct-Output-Packets", NULL, 0, 0, print_attr_num },
424 { "Acct-Terminate-Cause", acct_term, TAM_SIZE(acct_term)-1, 1, print_attr_num },
425 { "Acct-Multi-Session-Id", NULL, 0, 0, print_attr_string },
426 { "Acct-Link-Count", NULL, 0, 0, print_attr_num },
427 { "Acct-Input-Gigawords", NULL, 0, 0, print_attr_num },
428 { "Acct-Output-Gigawords", NULL, 0, 0, print_attr_num },
429 { "Unassigned", NULL, 0, 0, NULL }, /*54*/
430 { "Event-Timestamp", NULL, 0, 0, print_attr_time },
431 { "Egress-VLANID", NULL, 0, 0, print_attr_num },
432 { "Ingress-Filters", ingress_filters, TAM_SIZE(ingress_filters)-1, 1, print_attr_num },
433 { "Egress-VLAN-Name", NULL, 0, 0, print_attr_string },
434 { "User-Priority-Table", NULL, 0, 0, NULL },
435 { "CHAP-Challenge", NULL, 0, 0, print_attr_string },
436 { "NAS-Port-Type", nas_port_type, TAM_SIZE(nas_port_type), 0, print_attr_num },
437 { "Port-Limit", NULL, 0, 0, print_attr_num },
438 { "Login-LAT-Port", NULL, 0, 0, print_attr_string }, /*63*/
439 { "Tunnel-Type", tunnel_type, TAM_SIZE(tunnel_type)-1, 1, print_attr_num },
440 { "Tunnel-Medium-Type", tunnel_medium, TAM_SIZE(tunnel_medium)-1, 1, print_attr_num },
441 { "Tunnel-Client-Endpoint", NULL, 0, 0, print_attr_string },
442 { "Tunnel-Server-Endpoint", NULL, 0, 0, print_attr_string },
443 { "Acct-Tunnel-Connection", NULL, 0, 0, print_attr_string },
444 { "Tunnel-Password", NULL, 0, 0, print_attr_string },
445 { "ARAP-Password", NULL, 0, 0, print_attr_strange },
446 { "ARAP-Features", NULL, 0, 0, print_attr_strange },
447 { "ARAP-Zone-Access", arap_zone, TAM_SIZE(arap_zone)-1, 1, print_attr_num }, /*72*/
448 { "ARAP-Security", NULL, 0, 0, print_attr_string },
449 { "ARAP-Security-Data", NULL, 0, 0, print_attr_string },
450 { "Password-Retry", NULL, 0, 0, print_attr_num },
451 { "Prompt", prompt, TAM_SIZE(prompt), 0, print_attr_num },
452 { "Connect-Info", NULL, 0, 0, print_attr_string },
453 { "Configuration-Token", NULL, 0, 0, print_attr_string },
454 { "EAP-Message", NULL, 0, 0, print_attr_string },
455 { "Message-Authenticator", NULL, 0, 0, print_attr_string }, /*80*/
456 { "Tunnel-Private-Group-ID", NULL, 0, 0, print_attr_string },
457 { "Tunnel-Assignment-ID", NULL, 0, 0, print_attr_string },
458 { "Tunnel-Preference", NULL, 0, 0, print_attr_num },
459 { "ARAP-Challenge-Response", NULL, 0, 0, print_attr_strange },
460 { "Acct-Interim-Interval", NULL, 0, 0, print_attr_num },
461 { "Acct-Tunnel-Packets-Lost", NULL, 0, 0, print_attr_num }, /*86*/
462 { "NAS-Port-Id", NULL, 0, 0, print_attr_string },
463 { "Framed-Pool", NULL, 0, 0, print_attr_string },
464 { "CUI", NULL, 0, 0, print_attr_string },
465 { "Tunnel-Client-Auth-ID", NULL, 0, 0, print_attr_string },
466 { "Tunnel-Server-Auth-ID", NULL, 0, 0, print_attr_string },
467 { "Unassigned", NULL, 0, 0, NULL }, /*92*/
468 { "Unassigned", NULL, 0, 0, NULL } /*93*/
472 /*****************************/
473 /* Print an attribute string */
474 /* value pointed by 'data' */
475 /* and 'length' size. */
476 /*****************************/
477 /* Returns nothing. */
478 /*****************************/
480 print_attr_string(netdissect_options *ndo,
481 register u_char *data, u_int length, u_short attr_code)
485 ND_TCHECK2(data[0],length);
492 ND_PRINT((ndo, "%s", tstr));
495 if (*data && (*data <=0x1F) )
496 ND_PRINT((ndo, "Tag[%u] ", *data));
498 ND_PRINT((ndo, "Tag[Unused] "));
501 ND_PRINT((ndo, "Salt %u ", EXTRACT_16BITS(data)));
505 case TUNNEL_CLIENT_END:
506 case TUNNEL_SERVER_END:
507 case TUNNEL_PRIV_GROUP:
508 case TUNNEL_ASSIGN_ID:
509 case TUNNEL_CLIENT_AUTH:
510 case TUNNEL_SERVER_AUTH:
515 ND_PRINT((ndo, "%s", tstr));
519 ND_PRINT((ndo, "Tag[%u] ", *data));
521 ND_PRINT((ndo, "Tag[Unused] "));
526 case EGRESS_VLAN_NAME:
527 ND_PRINT((ndo, "%s (0x%02x) ",
528 tok2str(rfc4675_tagged,"Unknown tag",*data),
535 for (i=0; *data && i < length ; i++, data++)
536 ND_PRINT((ndo, "%c", (*data < 32 || *data > 128) ? '.' : *data));
541 ND_PRINT((ndo, "%s", tstr));
545 * print vendor specific attributes
548 print_vendor_attr(netdissect_options *ndo,
549 register u_char *data, u_int length, u_short attr_code _U_)
558 ND_TCHECK2(*data, 4);
559 vendor_id = EXTRACT_32BITS(data);
563 ND_PRINT((ndo, "Vendor: %s (%u)",
564 tok2str(smi_values,"Unknown",vendor_id),
567 while (length >= 2) {
568 ND_TCHECK2(*data, 2);
570 vendor_type = *(data);
571 vendor_length = *(data+1);
573 if (vendor_length < 2)
575 ND_PRINT((ndo, "\n\t Vendor Attribute: %u, Length: %u (bogus, must be >= 2)",
580 if (vendor_length > length)
582 ND_PRINT((ndo, "\n\t Vendor Attribute: %u, Length: %u (bogus, goes past end of vendor-specific attribute)",
590 ND_TCHECK2(*data, vendor_length);
592 ND_PRINT((ndo, "\n\t Vendor Attribute: %u, Length: %u, Value: ",
595 for (idx = 0; idx < vendor_length ; idx++, data++)
596 ND_PRINT((ndo, "%c", (*data < 32 || *data > 128) ? '.' : *data));
597 length-=vendor_length;
602 ND_PRINT((ndo, "%s", tstr));
605 /******************************/
606 /* Print an attribute numeric */
607 /* value pointed by 'data' */
608 /* and 'length' size. */
609 /******************************/
610 /* Returns nothing. */
611 /******************************/
613 print_attr_num(netdissect_options *ndo,
614 register u_char *data, u_int length, u_short attr_code)
620 ND_PRINT((ndo, "ERROR: length %u != 4", length));
624 ND_TCHECK2(data[0],4);
625 /* This attribute has standard values */
626 if (attr_type[attr_code].siz_subtypes)
628 static const char **table;
630 table = attr_type[attr_code].subtypes;
632 if ( (attr_code == TUNNEL_TYPE) || (attr_code == TUNNEL_MEDIUM) )
635 ND_PRINT((ndo, "Tag[Unused] "));
637 ND_PRINT((ndo, "Tag[%d] ", *data));
639 data_value = EXTRACT_24BITS(data);
643 data_value = EXTRACT_32BITS(data);
645 if ( data_value <= (uint32_t)(attr_type[attr_code].siz_subtypes - 1 +
646 attr_type[attr_code].first_subtype) &&
647 data_value >= attr_type[attr_code].first_subtype )
648 ND_PRINT((ndo, "%s", table[data_value]));
650 ND_PRINT((ndo, "#%u", data_value));
654 switch(attr_code) /* Be aware of special cases... */
657 if (EXTRACT_32BITS( data) == 0xFFFFFFFE )
658 ND_PRINT((ndo, "NAS Select"));
660 ND_PRINT((ndo, "%d", EXTRACT_32BITS(data)));
663 case SESSION_TIMEOUT:
666 case ACCT_SESSION_TIME:
667 case ACCT_INT_INTERVAL:
668 timeout = EXTRACT_32BITS( data);
670 ND_PRINT((ndo, "%02d secs", timeout));
673 if ( timeout < 3600 )
674 ND_PRINT((ndo, "%02d:%02d min",
675 timeout / 60, timeout % 60));
677 ND_PRINT((ndo, "%02d:%02d:%02d hours",
678 timeout / 3600, (timeout % 3600) / 60,
684 if (EXTRACT_32BITS(data) )
685 ND_PRINT((ndo, "%d", EXTRACT_32BITS(data)));
687 ND_PRINT((ndo, "Unnumbered"));
690 case FRM_ATALK_NETWORK:
691 if (EXTRACT_32BITS(data) )
692 ND_PRINT((ndo, "%d", EXTRACT_32BITS(data)));
694 ND_PRINT((ndo, "NAS assigned"));
697 case TUNNEL_PREFERENCE:
699 ND_PRINT((ndo, "Tag[%d] ", *data));
701 ND_PRINT((ndo, "Tag[Unused] "));
703 ND_PRINT((ndo, "%d", EXTRACT_24BITS(data)));
707 ND_PRINT((ndo, "%s (0x%02x) ",
708 tok2str(rfc4675_tagged,"Unknown tag",*data),
711 ND_PRINT((ndo, "%d", EXTRACT_24BITS(data)));
715 ND_PRINT((ndo, "%d", EXTRACT_32BITS(data)));
725 ND_PRINT((ndo, "%s", tstr));
728 /*****************************/
729 /* Print an attribute IPv4 */
730 /* address value pointed by */
731 /* 'data' and 'length' size. */
732 /*****************************/
733 /* Returns nothing. */
734 /*****************************/
736 print_attr_address(netdissect_options *ndo,
737 register u_char *data, u_int length, u_short attr_code)
741 ND_PRINT((ndo, "ERROR: length %u != 4", length));
745 ND_TCHECK2(data[0],4);
751 if (EXTRACT_32BITS(data) == 0xFFFFFFFF )
752 ND_PRINT((ndo, "User Selected"));
754 if (EXTRACT_32BITS(data) == 0xFFFFFFFE )
755 ND_PRINT((ndo, "NAS Select"));
757 ND_PRINT((ndo, "%s",ipaddr_string(ndo, data)));
761 ND_PRINT((ndo, "%s", ipaddr_string(ndo, data)));
768 ND_PRINT((ndo, "%s", tstr));
771 /*************************************/
772 /* Print an attribute of 'secs since */
773 /* January 1, 1970 00:00 UTC' value */
774 /* pointed by 'data' and 'length' */
776 /*************************************/
777 /* Returns nothing. */
778 /*************************************/
780 print_attr_time(netdissect_options *ndo,
781 register u_char *data, u_int length, u_short attr_code _U_)
788 ND_PRINT((ndo, "ERROR: length %u != 4", length));
792 ND_TCHECK2(data[0],4);
794 attr_time = EXTRACT_32BITS(data);
795 strlcpy(string, ctime(&attr_time), sizeof(string));
796 /* Get rid of the newline */
798 ND_PRINT((ndo, "%.24s", string));
802 ND_PRINT((ndo, "%s", tstr));
805 /***********************************/
806 /* Print an attribute of 'strange' */
807 /* data format pointed by 'data' */
808 /* and 'length' size. */
809 /***********************************/
810 /* Returns nothing. */
811 /***********************************/
813 print_attr_strange(netdissect_options *ndo,
814 register u_char *data, u_int length, u_short attr_code)
823 ND_PRINT((ndo, "ERROR: length %u != 16", length));
826 ND_PRINT((ndo, "User_challenge ("));
827 ND_TCHECK2(data[0],8);
829 PRINT_HEX(len_data, data);
830 ND_PRINT((ndo, ") User_resp("));
831 ND_TCHECK2(data[0],8);
833 PRINT_HEX(len_data, data);
834 ND_PRINT((ndo, ")"));
840 ND_PRINT((ndo, "ERROR: length %u != 14", length));
843 ND_TCHECK2(data[0],1);
845 ND_PRINT((ndo, "User can change password"));
847 ND_PRINT((ndo, "User cannot change password"));
849 ND_TCHECK2(data[0],1);
850 ND_PRINT((ndo, ", Min password length: %d", *data));
852 ND_PRINT((ndo, ", created at: "));
853 ND_TCHECK2(data[0],4);
855 PRINT_HEX(len_data, data);
856 ND_PRINT((ndo, ", expires in: "));
857 ND_TCHECK2(data[0],4);
859 PRINT_HEX(len_data, data);
860 ND_PRINT((ndo, ", Current Time: "));
861 ND_TCHECK2(data[0],4);
863 PRINT_HEX(len_data, data);
866 case ARAP_CHALLENGE_RESP:
869 ND_PRINT((ndo, "ERROR: length %u != 8", length));
872 ND_TCHECK2(data[0],8);
874 PRINT_HEX(len_data, data);
880 ND_PRINT((ndo, "%s", tstr));
884 radius_attrs_print(netdissect_options *ndo,
885 register const u_char *attr, u_int length)
887 register const struct radius_attr *rad_attr = (struct radius_attr *)attr;
888 const char *attr_string;
894 ND_TCHECK(*rad_attr);
896 if (rad_attr->type > 0 && rad_attr->type < TAM_SIZE(attr_type))
897 attr_string = attr_type[rad_attr->type].name;
899 attr_string = "Unknown";
900 if (rad_attr->len < 2)
902 ND_PRINT((ndo, "\n\t %s Attribute (%u), length: %u (bogus, must be >= 2)",
908 if (rad_attr->len > length)
910 ND_PRINT((ndo, "\n\t %s Attribute (%u), length: %u (bogus, goes past end of packet)",
916 ND_PRINT((ndo, "\n\t %s Attribute (%u), length: %u, Value: ",
921 if (rad_attr->type < TAM_SIZE(attr_type))
923 if (rad_attr->len > 2)
925 if ( attr_type[rad_attr->type].print_func )
926 (*attr_type[rad_attr->type].print_func)(
927 ndo, ((u_char *)(rad_attr+1)),
928 rad_attr->len - 2, rad_attr->type);
931 /* do we also want to see a hex dump ? */
932 if (ndo->ndo_vflag> 1)
933 print_unknown_data(ndo, (u_char *)rad_attr+2, "\n\t ", (rad_attr->len)-2);
935 length-=(rad_attr->len);
936 rad_attr = (struct radius_attr *)( ((char *)(rad_attr))+rad_attr->len);
941 ND_PRINT((ndo, "%s", tstr));
945 radius_print(netdissect_options *ndo,
946 const u_char *dat, u_int length)
948 register const struct radius_hdr *rad;
951 ND_TCHECK2(*dat, MIN_RADIUS_LEN);
952 rad = (struct radius_hdr *)dat;
953 len = EXTRACT_16BITS(&rad->len);
955 if (len < MIN_RADIUS_LEN)
957 ND_PRINT((ndo, "%s", tstr));
964 if (ndo->ndo_vflag < 1) {
965 ND_PRINT((ndo, "RADIUS, %s (%u), id: 0x%02x length: %u",
966 tok2str(radius_command_values,"Unknown Command",rad->code),
973 ND_PRINT((ndo, "RADIUS, length: %u\n\t%s (%u), id: 0x%02x, Authenticator: ",
975 tok2str(radius_command_values,"Unknown Command",rad->code),
979 for(auth_idx=0; auth_idx < 16; auth_idx++)
980 ND_PRINT((ndo, "%02x", rad->auth[auth_idx]));
983 if (len > MIN_RADIUS_LEN)
984 radius_attrs_print(ndo, dat + MIN_RADIUS_LEN, len - MIN_RADIUS_LEN);
988 ND_PRINT((ndo, "%s", tstr));