Move tcpdump-3.9/ to tcpdump/. No need for a versioned dir.
[dragonfly.git] / contrib / tcpdump / print-pptp.c
CommitLineData
c8cf0f94
PA
1/*
2 * Copyright (c) 1991, 1993, 1994, 1995, 1996, 1997
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that: (1) source code distributions
7 * retain the above copyright notice and this paragraph in its entirety, (2)
8 * distributions including binary code include the above copyright notice and
9 * this paragraph in its entirety in the documentation or other materials
10 * provided with the distribution, and (3) all advertising materials mentioning
11 * features or use of this software display the following acknowledgement:
12 * ``This product includes software developed by the University of California,
13 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
14 * the University nor the names of its contributors may be used to endorse
15 * or promote products derived from this software without specific prior
16 * written permission.
17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
20 *
21 * PPTP support contributed by Motonori Shindo (mshindo@mshindo.net)
22 */
23
24
25#ifndef lint
26static const char rcsid[] _U_ =
27 "@(#) $Header: /tcpdump/master/tcpdump/print-pptp.c,v 1.11.2.1 2006/06/23 02:07:27 hannes Exp $";
28#endif
29
30#ifdef HAVE_CONFIG_H
31#include "config.h"
32#endif
33
34#include <tcpdump-stdinc.h>
35
36#include <stdio.h>
37
38#include "interface.h"
39#include "extract.h"
40
41static char tstr[] = " [|pptp]";
42
43#define PPTP_MSG_TYPE_CTRL 1 /* Control Message */
44#define PPTP_MSG_TYPE_MGMT 2 /* Management Message (currently not used */
45#define PPTP_MAGIC_COOKIE 0x1a2b3c4d /* for sanity check */
46
47#define PPTP_CTRL_MSG_TYPE_SCCRQ 1
48#define PPTP_CTRL_MSG_TYPE_SCCRP 2
49#define PPTP_CTRL_MSG_TYPE_StopCCRQ 3
50#define PPTP_CTRL_MSG_TYPE_StopCCRP 4
51#define PPTP_CTRL_MSG_TYPE_ECHORQ 5
52#define PPTP_CTRL_MSG_TYPE_ECHORP 6
53#define PPTP_CTRL_MSG_TYPE_OCRQ 7
54#define PPTP_CTRL_MSG_TYPE_OCRP 8
55#define PPTP_CTRL_MSG_TYPE_ICRQ 9
56#define PPTP_CTRL_MSG_TYPE_ICRP 10
57#define PPTP_CTRL_MSG_TYPE_ICCN 11
58#define PPTP_CTRL_MSG_TYPE_CCRQ 12
59#define PPTP_CTRL_MSG_TYPE_CDN 13
60#define PPTP_CTRL_MSG_TYPE_WEN 14
61#define PPTP_CTRL_MSG_TYPE_SLI 15
62
63#define PPTP_FRAMING_CAP_ASYNC_MASK 0x00000001 /* Aynchronous */
64#define PPTP_FRAMING_CAP_SYNC_MASK 0x00000002 /* Synchronous */
65
66#define PPTP_BEARER_CAP_ANALOG_MASK 0x00000001 /* Analog */
67#define PPTP_BEARER_CAP_DIGITAL_MASK 0x00000002 /* Digital */
68
69static const char *pptp_message_type_string[] = {
70 "NOT_DEFINED", /* 0 Not defined in the RFC2637 */
71 "SCCRQ", /* 1 Start-Control-Connection-Request */
72 "SCCRP", /* 2 Start-Control-Connection-Reply */
73 "StopCCRQ", /* 3 Stop-Control-Connection-Request */
74 "StopCCRP", /* 4 Stop-Control-Connection-Reply */
75 "ECHORQ", /* 5 Echo Request */
76 "ECHORP", /* 6 Echo Reply */
77
78 "OCRQ", /* 7 Outgoing-Call-Request */
79 "OCRP", /* 8 Outgoing-Call-Reply */
80 "ICRQ", /* 9 Incoming-Call-Request */
81 "ICRP", /* 10 Incoming-Call-Reply */
82 "ICCN", /* 11 Incoming-Call-Connected */
83 "CCRQ", /* 12 Call-Clear-Request */
84 "CDN", /* 13 Call-Disconnect-Notify */
85
86 "WEN", /* 14 WAN-Error-Notify */
87
88 "SLI" /* 15 Set-Link-Info */
89#define PPTP_MAX_MSGTYPE_INDEX 16
90};
91
92/* common for all PPTP control messages */
93struct pptp_hdr {
94 u_int16_t length;
95 u_int16_t msg_type;
96 u_int32_t magic_cookie;
97 u_int16_t ctrl_msg_type;
98 u_int16_t reserved0;
99};
100
101struct pptp_msg_sccrq {
102 u_int16_t proto_ver;
103 u_int16_t reserved1;
104 u_int32_t framing_cap;
105 u_int32_t bearer_cap;
106 u_int16_t max_channel;
107 u_int16_t firm_rev;
108 u_char hostname[64];
109 u_char vendor[64];
110};
111
112struct pptp_msg_sccrp {
113 u_int16_t proto_ver;
114 u_int8_t result_code;
115 u_int8_t err_code;
116 u_int32_t framing_cap;
117 u_int32_t bearer_cap;
118 u_int16_t max_channel;
119 u_int16_t firm_rev;
120 u_char hostname[64];
121 u_char vendor[64];
122};
123
124struct pptp_msg_stopccrq {
125 u_int8_t reason;
126 u_int8_t reserved1;
127 u_int16_t reserved2;
128};
129
130struct pptp_msg_stopccrp {
131 u_int8_t result_code;
132 u_int8_t err_code;
133 u_int16_t reserved1;
134};
135
136struct pptp_msg_echorq {
137 u_int32_t id;
138};
139
140struct pptp_msg_echorp {
141 u_int32_t id;
142 u_int8_t result_code;
143 u_int8_t err_code;
144 u_int16_t reserved1;
145};
146
147struct pptp_msg_ocrq {
148 u_int16_t call_id;
149 u_int16_t call_ser;
150 u_int32_t min_bps;
151 u_int32_t max_bps;
152 u_int32_t bearer_type;
153 u_int32_t framing_type;
154 u_int16_t recv_winsiz;
155 u_int16_t pkt_proc_delay;
156 u_int16_t phone_no_len;
157 u_int16_t reserved1;
158 u_char phone_no[64];
159 u_char subaddr[64];
160};
161
162struct pptp_msg_ocrp {
163 u_int16_t call_id;
164 u_int16_t peer_call_id;
165 u_int8_t result_code;
166 u_int8_t err_code;
167 u_int16_t cause_code;
168 u_int32_t conn_speed;
169 u_int16_t recv_winsiz;
170 u_int16_t pkt_proc_delay;
171 u_int32_t phy_chan_id;
172};
173
174struct pptp_msg_icrq {
175 u_int16_t call_id;
176 u_int16_t call_ser;
177 u_int32_t bearer_type;
178 u_int32_t phy_chan_id;
179 u_int16_t dialed_no_len;
180 u_int16_t dialing_no_len;
181 u_char dialed_no[64]; /* DNIS */
182 u_char dialing_no[64]; /* CLID */
183 u_char subaddr[64];
184};
185
186struct pptp_msg_icrp {
187 u_int16_t call_id;
188 u_int16_t peer_call_id;
189 u_int8_t result_code;
190 u_int8_t err_code;
191 u_int16_t recv_winsiz;
192 u_int16_t pkt_proc_delay;
193 u_int16_t reserved1;
194};
195
196struct pptp_msg_iccn {
197 u_int16_t peer_call_id;
198 u_int16_t reserved1;
199 u_int32_t conn_speed;
200 u_int16_t recv_winsiz;
201 u_int16_t pkt_proc_delay;
202 u_int32_t framing_type;
203};
204
205struct pptp_msg_ccrq {
206 u_int16_t call_id;
207 u_int16_t reserved1;
208};
209
210struct pptp_msg_cdn {
211 u_int16_t call_id;
212 u_int8_t result_code;
213 u_int8_t err_code;
214 u_int16_t cause_code;
215 u_int16_t reserved1;
216 u_char call_stats[128];
217};
218
219struct pptp_msg_wen {
220 u_int16_t peer_call_id;
221 u_int16_t reserved1;
222 u_int32_t crc_err;
223 u_int32_t framing_err;
224 u_int32_t hardware_overrun;
225 u_int32_t buffer_overrun;
226 u_int32_t timeout_err;
227 u_int32_t align_err;
228};
229
230struct pptp_msg_sli {
231 u_int16_t peer_call_id;
232 u_int16_t reserved1;
233 u_int32_t send_accm;
234 u_int32_t recv_accm;
235};
236
237/* attributes that appear more than once in above messages:
238
239 Number of
240 occurence attributes
241 --------------------------------------
242 2 u_int32_t bearer_cap;
243 2 u_int32_t bearer_type;
244 6 u_int16_t call_id;
245 2 u_int16_t call_ser;
246 2 u_int16_t cause_code;
247 2 u_int32_t conn_speed;
248 6 u_int8_t err_code;
249 2 u_int16_t firm_rev;
250 2 u_int32_t framing_cap;
251 2 u_int32_t framing_type;
252 2 u_char hostname[64];
253 2 u_int32_t id;
254 2 u_int16_t max_channel;
255 5 u_int16_t peer_call_id;
256 2 u_int32_t phy_chan_id;
257 4 u_int16_t pkt_proc_delay;
258 2 u_int16_t proto_ver;
259 4 u_int16_t recv_winsiz;
260 2 u_int8_t reserved1;
261 9 u_int16_t reserved1;
262 6 u_int8_t result_code;
263 2 u_char subaddr[64];
264 2 u_char vendor[64];
265
266 so I will prepare print out functions for these attributes (except for
267 reserved*).
268*/
269
270/******************************************/
271/* Attribute-specific print out functions */
272/******************************************/
273
274/* In these attribute-specific print-out functions, it't not necessary
275 to do TCHECK because they are already checked in the caller of
276 these functions. */
277
278static void
279pptp_bearer_cap_print(const u_int32_t *bearer_cap)
280{
281 printf(" BEARER_CAP(");
282 if (EXTRACT_32BITS(bearer_cap) & PPTP_BEARER_CAP_DIGITAL_MASK) {
283 printf("D");
284 }
285 if (EXTRACT_32BITS(bearer_cap) & PPTP_BEARER_CAP_ANALOG_MASK) {
286 printf("A");
287 }
288 printf(")");
289}
290
291static void
292pptp_bearer_type_print(const u_int32_t *bearer_type)
293{
294 printf(" BEARER_TYPE(");
295 switch (EXTRACT_32BITS(bearer_type)) {
296 case 1:
297 printf("A"); /* Analog */
298 break;
299 case 2:
300 printf("D"); /* Digital */
301 break;
302 case 3:
303 printf("Any");
304 break;
305 default:
306 printf("?");
307 break;
308 }
309 printf(")");
310}
311
312static void
313pptp_call_id_print(const u_int16_t *call_id)
314{
315 printf(" CALL_ID(%u)", EXTRACT_16BITS(call_id));
316}
317
318static void
319pptp_call_ser_print(const u_int16_t *call_ser)
320{
321 printf(" CALL_SER_NUM(%u)", EXTRACT_16BITS(call_ser));
322}
323
324static void
325pptp_cause_code_print(const u_int16_t *cause_code)
326{
327 printf(" CAUSE_CODE(%u)", EXTRACT_16BITS(cause_code));
328}
329
330static void
331pptp_conn_speed_print(const u_int32_t *conn_speed)
332{
333 printf(" CONN_SPEED(%u)", EXTRACT_32BITS(conn_speed));
334}
335
336static void
337pptp_err_code_print(const u_int8_t *err_code)
338{
339 printf(" ERR_CODE(%u", *err_code);
340 if (vflag) {
341 switch (*err_code) {
342 case 0:
343 printf(":None");
344 break;
345 case 1:
346 printf(":Not-Connected");
347 break;
348 case 2:
349 printf(":Bad-Format");
350 break;
351 case 3:
352 printf(":Bad-Valude");
353 break;
354 case 4:
355 printf(":No-Resource");
356 break;
357 case 5:
358 printf(":Bad-Call-ID");
359 break;
360 case 6:
361 printf(":PAC-Error");
362 break;
363 default:
364 printf(":?");
365 break;
366 }
367 }
368 printf(")");
369}
370
371static void
372pptp_firm_rev_print(const u_int16_t *firm_rev)
373{
374 printf(" FIRM_REV(%u)", EXTRACT_16BITS(firm_rev));
375}
376
377static void
378pptp_framing_cap_print(const u_int32_t *framing_cap)
379{
380 printf(" FRAME_CAP(");
381 if (EXTRACT_32BITS(framing_cap) & PPTP_FRAMING_CAP_ASYNC_MASK) {
382 printf("A"); /* Async */
383 }
384 if (EXTRACT_32BITS(framing_cap) & PPTP_FRAMING_CAP_SYNC_MASK) {
385 printf("S"); /* Sync */
386 }
387 printf(")");
388}
389
390static void
391pptp_framing_type_print(const u_int32_t *framing_type)
392{
393 printf(" FRAME_TYPE(");
394 switch (EXTRACT_32BITS(framing_type)) {
395 case 1:
396 printf("A"); /* Async */
397 break;
398 case 2:
399 printf("S"); /* Sync */
400 break;
401 case 3:
402 printf("E"); /* Either */
403 break;
404 default:
405 printf("?");
406 break;
407 }
408 printf(")");
409}
410
411static void
412pptp_hostname_print(const u_char *hostname)
413{
414 printf(" HOSTNAME(%.64s)", hostname);
415}
416
417static void
418pptp_id_print(const u_int32_t *id)
419{
420 printf(" ID(%u)", EXTRACT_32BITS(id));
421}
422
423static void
424pptp_max_channel_print(const u_int16_t *max_channel)
425{
426 printf(" MAX_CHAN(%u)", EXTRACT_16BITS(max_channel));
427}
428
429static void
430pptp_peer_call_id_print(const u_int16_t *peer_call_id)
431{
432 printf(" PEER_CALL_ID(%u)", EXTRACT_16BITS(peer_call_id));
433}
434
435static void
436pptp_phy_chan_id_print(const u_int32_t *phy_chan_id)
437{
438 printf(" PHY_CHAN_ID(%u)", EXTRACT_32BITS(phy_chan_id));
439}
440
441static void
442pptp_pkt_proc_delay_print(const u_int16_t *pkt_proc_delay)
443{
444 printf(" PROC_DELAY(%u)", EXTRACT_16BITS(pkt_proc_delay));
445}
446
447static void
448pptp_proto_ver_print(const u_int16_t *proto_ver)
449{
450 printf(" PROTO_VER(%u.%u)", /* Version.Revision */
451 EXTRACT_16BITS(proto_ver) >> 8,
452 EXTRACT_16BITS(proto_ver) & 0xff);
453}
454
455static void
456pptp_recv_winsiz_print(const u_int16_t *recv_winsiz)
457{
458 printf(" RECV_WIN(%u)", EXTRACT_16BITS(recv_winsiz));
459}
460
461static void
462pptp_result_code_print(const u_int8_t *result_code, int ctrl_msg_type)
463{
464 printf(" RESULT_CODE(%u", *result_code);
465 if (vflag) {
466 switch (ctrl_msg_type) {
467 case PPTP_CTRL_MSG_TYPE_SCCRP:
468 switch (*result_code) {
469 case 1:
470 printf(":Successful channel establishment");
471 break;
472 case 2:
473 printf(":General error");
474 break;
475 case 3:
476 printf(":Command channel already exists");
477 break;
478 case 4:
479 printf(":Requester is not authorized to establish a command channel");
480 break;
481 case 5:
482 printf(":The protocol version of the requester is not supported");
483 break;
484 default:
485 printf(":?");
486 break;
487 }
488 break;
489 case PPTP_CTRL_MSG_TYPE_StopCCRP:
490 case PPTP_CTRL_MSG_TYPE_ECHORP:
491 switch (*result_code) {
492 case 1:
493 printf(":OK");
494 break;
495 case 2:
496 printf(":General Error");
497 break;
498 default:
499 printf(":?");
500 break;
501 }
502 break;
503 case PPTP_CTRL_MSG_TYPE_OCRP:
504 switch (*result_code) {
505 case 1:
506 printf(":Connected");
507 break;
508 case 2:
509 printf(":General Error");
510 break;
511 case 3:
512 printf(":No Carrier");
513 break;
514 case 4:
515 printf(":Busy");
516 break;
517 case 5:
518 printf(":No Dial Tone");
519 break;
520 case 6:
521 printf(":Time-out");
522 break;
523 case 7:
524 printf(":Do Not Accept");
525 break;
526 default:
527 printf(":?");
528 break;
529 }
530 break;
531 case PPTP_CTRL_MSG_TYPE_ICRP:
532 switch (*result_code) {
533 case 1:
534 printf(":Connect");
535 break;
536 case 2:
537 printf(":General Error");
538 break;
539 case 3:
540 printf(":Do Not Accept");
541 break;
542 default:
543 printf(":?");
544 break;
545 }
546 break;
547 case PPTP_CTRL_MSG_TYPE_CDN:
548 switch (*result_code) {
549 case 1:
550 printf(":Lost Carrier");
551 break;
552 case 2:
553 printf(":General Error");
554 break;
555 case 3:
556 printf(":Admin Shutdown");
557 break;
558 case 4:
559 printf(":Request");
560 default:
561 printf(":?");
562 break;
563 break;
564 }
565 default:
566 /* assertion error */
567 break;
568 }
569 }
570 printf(")");
571}
572
573static void
574pptp_subaddr_print(const u_char *subaddr)
575{
576 printf(" SUB_ADDR(%.64s)", subaddr);
577}
578
579static void
580pptp_vendor_print(const u_char *vendor)
581{
582 printf(" VENDOR(%.64s)", vendor);
583}
584
585/************************************/
586/* PPTP message print out functions */
587/************************************/
588static void
589pptp_sccrq_print(const u_char *dat)
590{
591 struct pptp_msg_sccrq *ptr = (struct pptp_msg_sccrq *)dat;
592
593 TCHECK(ptr->proto_ver);
594 pptp_proto_ver_print(&ptr->proto_ver);
595 TCHECK(ptr->reserved1);
596 TCHECK(ptr->framing_cap);
597 pptp_framing_cap_print(&ptr->framing_cap);
598 TCHECK(ptr->bearer_cap);
599 pptp_bearer_cap_print(&ptr->bearer_cap);
600 TCHECK(ptr->max_channel);
601 pptp_max_channel_print(&ptr->max_channel);
602 TCHECK(ptr->firm_rev);
603 pptp_firm_rev_print(&ptr->firm_rev);
604 TCHECK(ptr->hostname);
605 pptp_hostname_print(&ptr->hostname[0]);
606 TCHECK(ptr->vendor);
607 pptp_vendor_print(&ptr->vendor[0]);
608
609 return;
610
611trunc:
612 printf("%s", tstr);
613}
614
615static void
616pptp_sccrp_print(const u_char *dat)
617{
618 struct pptp_msg_sccrp *ptr = (struct pptp_msg_sccrp *)dat;
619
620 TCHECK(ptr->proto_ver);
621 pptp_proto_ver_print(&ptr->proto_ver);
622 TCHECK(ptr->result_code);
623 pptp_result_code_print(&ptr->result_code, PPTP_CTRL_MSG_TYPE_SCCRP);
624 TCHECK(ptr->err_code);
625 pptp_err_code_print(&ptr->err_code);
626 TCHECK(ptr->framing_cap);
627 pptp_framing_cap_print(&ptr->framing_cap);
628 TCHECK(ptr->bearer_cap);
629 pptp_bearer_cap_print(&ptr->bearer_cap);
630 TCHECK(ptr->max_channel);
631 pptp_max_channel_print(&ptr->max_channel);
632 TCHECK(ptr->firm_rev);
633 pptp_firm_rev_print(&ptr->firm_rev);
634 TCHECK(ptr->hostname);
635 pptp_hostname_print(&ptr->hostname[0]);
636 TCHECK(ptr->vendor);
637 pptp_vendor_print(&ptr->vendor[0]);
638
639 return;
640
641trunc:
642 printf("%s", tstr);
643}
644
645static void
646pptp_stopccrq_print(const u_char *dat)
647{
648 struct pptp_msg_stopccrq *ptr = (struct pptp_msg_stopccrq *)dat;
649
650 TCHECK(ptr->reason);
651 printf(" REASON(%u", ptr->reason);
652 if (vflag) {
653 switch (ptr->reason) {
654 case 1:
655 printf(":None");
656 break;
657 case 2:
658 printf(":Stop-Protocol");
659 break;
660 case 3:
661 printf(":Stop-Local-Shutdown");
662 break;
663 default:
664 printf(":?");
665 break;
666 }
667 }
668 printf(")");
669 TCHECK(ptr->reserved1);
670 TCHECK(ptr->reserved2);
671
672 return;
673
674trunc:
675 printf("%s", tstr);
676}
677
678static void
679pptp_stopccrp_print(const u_char *dat)
680{
681 struct pptp_msg_stopccrp *ptr = (struct pptp_msg_stopccrp *)dat;
682
683 TCHECK(ptr->result_code);
684 pptp_result_code_print(&ptr->result_code, PPTP_CTRL_MSG_TYPE_StopCCRP);
685 TCHECK(ptr->err_code);
686 pptp_err_code_print(&ptr->err_code);
687 TCHECK(ptr->reserved1);
688
689 return;
690
691trunc:
692 printf("%s", tstr);
693}
694
695static void
696pptp_echorq_print(const u_char *dat)
697{
698 struct pptp_msg_echorq *ptr = (struct pptp_msg_echorq *)dat;
699
700 TCHECK(ptr->id);
701 pptp_id_print(&ptr->id);
702
703 return;
704
705trunc:
706 printf("%s", tstr);
707}
708
709static void
710pptp_echorp_print(const u_char *dat)
711{
712 struct pptp_msg_echorp *ptr = (struct pptp_msg_echorp *)dat;
713
714 TCHECK(ptr->id);
715 pptp_id_print(&ptr->id);
716 TCHECK(ptr->result_code);
717 pptp_result_code_print(&ptr->result_code, PPTP_CTRL_MSG_TYPE_ECHORP);
718 TCHECK(ptr->err_code);
719 pptp_err_code_print(&ptr->err_code);
720 TCHECK(ptr->reserved1);
721
722 return;
723
724trunc:
725 printf("%s", tstr);
726}
727
728static void
729pptp_ocrq_print(const u_char *dat)
730{
731 struct pptp_msg_ocrq *ptr = (struct pptp_msg_ocrq *)dat;
732
733 TCHECK(ptr->call_id);
734 pptp_call_id_print(&ptr->call_id);
735 TCHECK(ptr->call_ser);
736 pptp_call_ser_print(&ptr->call_ser);
737 TCHECK(ptr->min_bps);
738 printf(" MIN_BPS(%u)", EXTRACT_32BITS(&ptr->min_bps));
739 TCHECK(ptr->max_bps);
740 printf(" MAX_BPS(%u)", EXTRACT_32BITS(&ptr->max_bps));
741 TCHECK(ptr->bearer_type);
742 pptp_bearer_type_print(&ptr->bearer_type);
743 TCHECK(ptr->framing_type);
744 pptp_framing_type_print(&ptr->framing_type);
745 TCHECK(ptr->recv_winsiz);
746 pptp_recv_winsiz_print(&ptr->recv_winsiz);
747 TCHECK(ptr->pkt_proc_delay);
748 pptp_pkt_proc_delay_print(&ptr->pkt_proc_delay);
749 TCHECK(ptr->phone_no_len);
750 printf(" PHONE_NO_LEN(%u)", EXTRACT_16BITS(&ptr->phone_no_len));
751 TCHECK(ptr->reserved1);
752 TCHECK(ptr->phone_no);
753 printf(" PHONE_NO(%.64s)", ptr->phone_no);
754 TCHECK(ptr->subaddr);
755 pptp_subaddr_print(&ptr->subaddr[0]);
756
757 return;
758
759trunc:
760 printf("%s", tstr);
761}
762
763static void
764pptp_ocrp_print(const u_char *dat)
765{
766 struct pptp_msg_ocrp *ptr = (struct pptp_msg_ocrp *)dat;
767
768 TCHECK(ptr->call_id);
769 pptp_call_id_print(&ptr->call_id);
770 TCHECK(ptr->peer_call_id);
771 pptp_peer_call_id_print(&ptr->peer_call_id);
772 TCHECK(ptr->result_code);
773 pptp_result_code_print(&ptr->result_code, PPTP_CTRL_MSG_TYPE_OCRP);
774 TCHECK(ptr->err_code);
775 pptp_err_code_print(&ptr->err_code);
776 TCHECK(ptr->cause_code);
777 pptp_cause_code_print(&ptr->cause_code);
778 TCHECK(ptr->conn_speed);
779 pptp_conn_speed_print(&ptr->conn_speed);
780 TCHECK(ptr->recv_winsiz);
781 pptp_recv_winsiz_print(&ptr->recv_winsiz);
782 TCHECK(ptr->pkt_proc_delay);
783 pptp_pkt_proc_delay_print(&ptr->pkt_proc_delay);
784 TCHECK(ptr->phy_chan_id);
785 pptp_phy_chan_id_print(&ptr->phy_chan_id);
786
787 return;
788
789trunc:
790 printf("%s", tstr);
791}
792
793static void
794pptp_icrq_print(const u_char *dat)
795{
796 struct pptp_msg_icrq *ptr = (struct pptp_msg_icrq *)dat;
797
798 TCHECK(ptr->call_id);
799 pptp_call_id_print(&ptr->call_id);
800 TCHECK(ptr->call_ser);
801 pptp_call_ser_print(&ptr->call_ser);
802 TCHECK(ptr->bearer_type);
803 pptp_bearer_type_print(&ptr->bearer_type);
804 TCHECK(ptr->phy_chan_id);
805 pptp_phy_chan_id_print(&ptr->phy_chan_id);
806 TCHECK(ptr->dialed_no_len);
807 printf(" DIALED_NO_LEN(%u)", EXTRACT_16BITS(&ptr->dialed_no_len));
808 TCHECK(ptr->dialing_no_len);
809 printf(" DIALING_NO_LEN(%u)", EXTRACT_16BITS(&ptr->dialing_no_len));
810 TCHECK(ptr->dialed_no);
811 printf(" DIALED_NO(%.64s)", ptr->dialed_no);
812 TCHECK(ptr->dialing_no);
813 printf(" DIALING_NO(%.64s)", ptr->dialing_no);
814 TCHECK(ptr->subaddr);
815 pptp_subaddr_print(&ptr->subaddr[0]);
816
817 return;
818
819trunc:
820 printf("%s", tstr);
821}
822
823static void
824pptp_icrp_print(const u_char *dat)
825{
826 struct pptp_msg_icrp *ptr = (struct pptp_msg_icrp *)dat;
827
828 TCHECK(ptr->call_id);
829 pptp_call_id_print(&ptr->call_id);
830 TCHECK(ptr->peer_call_id);
831 pptp_peer_call_id_print(&ptr->peer_call_id);
832 TCHECK(ptr->result_code);
833 pptp_result_code_print(&ptr->result_code, PPTP_CTRL_MSG_TYPE_ICRP);
834 TCHECK(ptr->err_code);
835 pptp_err_code_print(&ptr->err_code);
836 TCHECK(ptr->recv_winsiz);
837 pptp_recv_winsiz_print(&ptr->recv_winsiz);
838 TCHECK(ptr->pkt_proc_delay);
839 pptp_pkt_proc_delay_print(&ptr->pkt_proc_delay);
840 TCHECK(ptr->reserved1);
841
842 return;
843
844trunc:
845 printf("%s", tstr);
846}
847
848static void
849pptp_iccn_print(const u_char *dat)
850{
851 struct pptp_msg_iccn *ptr = (struct pptp_msg_iccn *)dat;
852
853 TCHECK(ptr->peer_call_id);
854 pptp_peer_call_id_print(&ptr->peer_call_id);
855 TCHECK(ptr->reserved1);
856 TCHECK(ptr->conn_speed);
857 pptp_conn_speed_print(&ptr->conn_speed);
858 TCHECK(ptr->recv_winsiz);
859 pptp_recv_winsiz_print(&ptr->recv_winsiz);
860 TCHECK(ptr->pkt_proc_delay);
861 pptp_pkt_proc_delay_print(&ptr->pkt_proc_delay);
862 TCHECK(ptr->framing_type);
863 pptp_framing_type_print(&ptr->framing_type);
864
865 return;
866
867trunc:
868 printf("%s", tstr);
869}
870
871static void
872pptp_ccrq_print(const u_char *dat)
873{
874 struct pptp_msg_ccrq *ptr = (struct pptp_msg_ccrq *)dat;
875
876 TCHECK(ptr->call_id);
877 pptp_call_id_print(&ptr->call_id);
878 TCHECK(ptr->reserved1);
879
880 return;
881
882trunc:
883 printf("%s", tstr);
884}
885
886static void
887pptp_cdn_print(const u_char *dat)
888{
889 struct pptp_msg_cdn *ptr = (struct pptp_msg_cdn *)dat;
890
891 TCHECK(ptr->call_id);
892 pptp_call_id_print(&ptr->call_id);
893 TCHECK(ptr->result_code);
894 pptp_result_code_print(&ptr->result_code, PPTP_CTRL_MSG_TYPE_CDN);
895 TCHECK(ptr->err_code);
896 pptp_err_code_print(&ptr->err_code);
897 TCHECK(ptr->cause_code);
898 pptp_cause_code_print(&ptr->cause_code);
899 TCHECK(ptr->reserved1);
900 TCHECK(ptr->call_stats);
901 printf(" CALL_STATS(%.128s)", ptr->call_stats);
902
903 return;
904
905trunc:
906 printf("%s", tstr);
907}
908
909static void
910pptp_wen_print(const u_char *dat)
911{
912 struct pptp_msg_wen *ptr = (struct pptp_msg_wen *)dat;
913
914 TCHECK(ptr->peer_call_id);
915 pptp_peer_call_id_print(&ptr->peer_call_id);
916 TCHECK(ptr->reserved1);
917 TCHECK(ptr->crc_err);
918 printf(" CRC_ERR(%u)", EXTRACT_32BITS(&ptr->crc_err));
919 TCHECK(ptr->framing_err);
920 printf(" FRAMING_ERR(%u)", EXTRACT_32BITS(&ptr->framing_err));
921 TCHECK(ptr->hardware_overrun);
922 printf(" HARDWARE_OVERRUN(%u)", EXTRACT_32BITS(&ptr->hardware_overrun));
923 TCHECK(ptr->buffer_overrun);
924 printf(" BUFFER_OVERRUN(%u)", EXTRACT_32BITS(&ptr->buffer_overrun));
925 TCHECK(ptr->timeout_err);
926 printf(" TIMEOUT_ERR(%u)", EXTRACT_32BITS(&ptr->timeout_err));
927 TCHECK(ptr->align_err);
928 printf(" ALIGN_ERR(%u)", EXTRACT_32BITS(&ptr->align_err));
929
930 return;
931
932trunc:
933 printf("%s", tstr);
934}
935
936static void
937pptp_sli_print(const u_char *dat)
938{
939 struct pptp_msg_sli *ptr = (struct pptp_msg_sli *)dat;
940
941 TCHECK(ptr->peer_call_id);
942 pptp_peer_call_id_print(&ptr->peer_call_id);
943 TCHECK(ptr->reserved1);
944 TCHECK(ptr->send_accm);
945 printf(" SEND_ACCM(0x%08x)", EXTRACT_32BITS(&ptr->send_accm));
946 TCHECK(ptr->recv_accm);
947 printf(" RECV_ACCM(0x%08x)", EXTRACT_32BITS(&ptr->recv_accm));
948
949 return;
950
951trunc:
952 printf("%s", tstr);
953}
954
955void
956pptp_print(const u_char *dat)
957{
958 const struct pptp_hdr *hdr;
959 u_int32_t mc;
960 u_int16_t ctrl_msg_type;
961
962 printf(": pptp");
963
964 hdr = (struct pptp_hdr *)dat;
965
966 TCHECK(hdr->length);
967 if (vflag) {
968 printf(" Length=%u", EXTRACT_16BITS(&hdr->length));
969 }
970 TCHECK(hdr->msg_type);
971 if (vflag) {
972 switch(EXTRACT_16BITS(&hdr->msg_type)) {
973 case PPTP_MSG_TYPE_CTRL:
974 printf(" CTRL-MSG");
975 break;
976 case PPTP_MSG_TYPE_MGMT:
977 printf(" MGMT-MSG");
978 break;
979 default:
980 printf(" UNKNOWN-MSG-TYPE");
981 break;
982 }
983 }
984
985 TCHECK(hdr->magic_cookie);
986 mc = EXTRACT_32BITS(&hdr->magic_cookie);
987 if (mc != PPTP_MAGIC_COOKIE) {
988 printf(" UNEXPECTED Magic-Cookie!!(%08x)", mc);
989 }
990 if (vflag || mc != PPTP_MAGIC_COOKIE) {
991 printf(" Magic-Cookie=%08x", mc);
992 }
993 TCHECK(hdr->ctrl_msg_type);
994 ctrl_msg_type = EXTRACT_16BITS(&hdr->ctrl_msg_type);
995 if (ctrl_msg_type < PPTP_MAX_MSGTYPE_INDEX) {
996 printf(" CTRL_MSGTYPE=%s",
997 pptp_message_type_string[ctrl_msg_type]);
998 } else {
999 printf(" UNKNOWN_CTRL_MSGTYPE(%u)", ctrl_msg_type);
1000 }
1001 TCHECK(hdr->reserved0);
1002
1003 dat += 12;
1004
1005 switch(ctrl_msg_type) {
1006 case PPTP_CTRL_MSG_TYPE_SCCRQ:
1007 pptp_sccrq_print(dat);
1008 break;
1009 case PPTP_CTRL_MSG_TYPE_SCCRP:
1010 pptp_sccrp_print(dat);
1011 break;
1012 case PPTP_CTRL_MSG_TYPE_StopCCRQ:
1013 pptp_stopccrq_print(dat);
1014 break;
1015 case PPTP_CTRL_MSG_TYPE_StopCCRP:
1016 pptp_stopccrp_print(dat);
1017 break;
1018 case PPTP_CTRL_MSG_TYPE_ECHORQ:
1019 pptp_echorq_print(dat);
1020 break;
1021 case PPTP_CTRL_MSG_TYPE_ECHORP:
1022 pptp_echorp_print(dat);
1023 break;
1024 case PPTP_CTRL_MSG_TYPE_OCRQ:
1025 pptp_ocrq_print(dat);
1026 break;
1027 case PPTP_CTRL_MSG_TYPE_OCRP:
1028 pptp_ocrp_print(dat);
1029 break;
1030 case PPTP_CTRL_MSG_TYPE_ICRQ:
1031 pptp_icrq_print(dat);
1032 break;
1033 case PPTP_CTRL_MSG_TYPE_ICRP:
1034 pptp_icrp_print(dat);
1035 break;
1036 case PPTP_CTRL_MSG_TYPE_ICCN:
1037 pptp_iccn_print(dat);
1038 break;
1039 case PPTP_CTRL_MSG_TYPE_CCRQ:
1040 pptp_ccrq_print(dat);
1041 break;
1042 case PPTP_CTRL_MSG_TYPE_CDN:
1043 pptp_cdn_print(dat);
1044 break;
1045 case PPTP_CTRL_MSG_TYPE_WEN:
1046 pptp_wen_print(dat);
1047 break;
1048 case PPTP_CTRL_MSG_TYPE_SLI:
1049 pptp_sli_print(dat);
1050 break;
1051 default:
1052 /* do nothing */
1053 break;
1054 }
1055
1056 return;
1057
1058trunc:
1059 printf("%s", tstr);
1060}