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This commit sets new users to see the DragonFly-tips fortunes instead
[dragonfly.git] / contrib / tcpdump-3.8.3 / print-pptp.c
blob11e8330c561a5beba0953318710c444f18e43158
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
26 static const char rcsid[] _U_ =
27 "@(#) $Header: /tcpdump/master/tcpdump/print-pptp.c,v 1.9.2.2 2003/11/16 08:51:39 guy 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
41 static char tstr[] = " [|pptp]";
42
43 #ifndef TRUE
44 #define TRUE 1
45 #endif
46
47 #ifndef FALSE
48 #define FALSE 0
49 #endif
50
51 #define PPTP_MSG_TYPE_CTRL 1 /* Control Message */
52 #define PPTP_MSG_TYPE_MGMT 2 /* Management Message (currently not used */
53 #define PPTP_MAGIC_COOKIE 0x1a2b3c4d /* for sanity check */
54
55 #define PPTP_CTRL_MSG_TYPE_SCCRQ 1
56 #define PPTP_CTRL_MSG_TYPE_SCCRP 2
57 #define PPTP_CTRL_MSG_TYPE_StopCCRQ 3
58 #define PPTP_CTRL_MSG_TYPE_StopCCRP 4
59 #define PPTP_CTRL_MSG_TYPE_ECHORQ 5
60 #define PPTP_CTRL_MSG_TYPE_ECHORP 6
61 #define PPTP_CTRL_MSG_TYPE_OCRQ 7
62 #define PPTP_CTRL_MSG_TYPE_OCRP 8
63 #define PPTP_CTRL_MSG_TYPE_ICRQ 9
64 #define PPTP_CTRL_MSG_TYPE_ICRP 10
65 #define PPTP_CTRL_MSG_TYPE_ICCN 11
66 #define PPTP_CTRL_MSG_TYPE_CCRQ 12
67 #define PPTP_CTRL_MSG_TYPE_CDN 13
68 #define PPTP_CTRL_MSG_TYPE_WEN 14
69 #define PPTP_CTRL_MSG_TYPE_SLI 15
70
71 #define PPTP_FRAMING_CAP_ASYNC_MASK 0x00000001 /* Aynchronous */
72 #define PPTP_FRAMING_CAP_SYNC_MASK 0x00000002 /* Synchronous */
73
74 #define PPTP_BEARER_CAP_ANALOG_MASK 0x00000001 /* Analog */
75 #define PPTP_BEARER_CAP_DIGITAL_MASK 0x00000002 /* Digital */
76
77 static const char *pptp_message_type_string[] = {
78 "NOT_DEFINED", /* 0 Not defined in the RFC2637 */
79 "SCCRQ", /* 1 Start-Control-Connection-Request */
80 "SCCRP", /* 2 Start-Control-Connection-Reply */
81 "StopCCRQ", /* 3 Stop-Control-Connection-Request */
82 "StopCCRP", /* 4 Stop-Control-Connection-Reply */
83 "ECHORQ", /* 5 Echo Request */
84 "ECHORP", /* 6 Echo Reply */
85
86 "OCRQ", /* 7 Outgoing-Call-Request */
87 "OCRP", /* 8 Outgoing-Call-Reply */
88 "ICRQ", /* 9 Incoming-Call-Request */
89 "ICRP", /* 10 Incoming-Call-Reply */
90 "ICCN", /* 11 Incoming-Call-Connected */
91 "CCRQ", /* 12 Call-Clear-Request */
92 "CDN", /* 13 Call-Disconnect-Notify */
93
94 "WEN", /* 14 WAN-Error-Notify */
95
96 "SLI" /* 15 Set-Link-Info */
97 #define PPTP_MAX_MSGTYPE_INDEX 16
98 };
99
100 /* common for all PPTP control messages */
101 struct pptp_hdr {
102 u_int16_t length;
103 u_int16_t msg_type;
104 u_int32_t magic_cookie;
105 u_int16_t ctrl_msg_type;
106 u_int16_t reserved0;
107 };
108
109 struct pptp_msg_sccrq {
110 u_int16_t proto_ver;
111 u_int16_t reserved1;
112 u_int32_t framing_cap;
113 u_int32_t bearer_cap;
114 u_int16_t max_channel;
115 u_int16_t firm_rev;
116 u_char hostname[64];
117 u_char vendor[64];
118 };
119
120 struct pptp_msg_sccrp {
121 u_int16_t proto_ver;
122 u_int8_t result_code;
123 u_int8_t err_code;
124 u_int32_t framing_cap;
125 u_int32_t bearer_cap;
126 u_int16_t max_channel;
127 u_int16_t firm_rev;
128 u_char hostname[64];
129 u_char vendor[64];
130 };
131
132 struct pptp_msg_stopccrq {
133 u_int8_t reason;
134 u_int8_t reserved1;
135 u_int16_t reserved2;
136 };
137
138 struct pptp_msg_stopccrp {
139 u_int8_t result_code;
140 u_int8_t err_code;
141 u_int16_t reserved1;
142 };
143
144 struct pptp_msg_echorq {
145 u_int32_t id;
146 };
147
148 struct pptp_msg_echorp {
149 u_int32_t id;
150 u_int8_t result_code;
151 u_int8_t err_code;
152 u_int16_t reserved1;
153 };
154
155 struct pptp_msg_ocrq {
156 u_int16_t call_id;
157 u_int16_t call_ser;
158 u_int32_t min_bps;
159 u_int32_t max_bps;
160 u_int32_t bearer_type;
161 u_int32_t framing_type;
162 u_int16_t recv_winsiz;
163 u_int16_t pkt_proc_delay;
164 u_int16_t phone_no_len;
165 u_int16_t reserved1;
166 u_char phone_no[64];
167 u_char subaddr[64];
168 };
169
170 struct pptp_msg_ocrp {
171 u_int16_t call_id;
172 u_int16_t peer_call_id;
173 u_int8_t result_code;
174 u_int8_t err_code;
175 u_int16_t cause_code;
176 u_int32_t conn_speed;
177 u_int16_t recv_winsiz;
178 u_int16_t pkt_proc_delay;
179 u_int32_t phy_chan_id;
180 };
181
182 struct pptp_msg_icrq {
183 u_int16_t call_id;
184 u_int16_t call_ser;
185 u_int32_t bearer_type;
186 u_int32_t phy_chan_id;
187 u_int16_t dialed_no_len;
188 u_int16_t dialing_no_len;
189 u_char dialed_no[64]; /* DNIS */
190 u_char dialing_no[64]; /* CLID */
191 u_char subaddr[64];
192 };
193
194 struct pptp_msg_icrp {
195 u_int16_t call_id;
196 u_int16_t peer_call_id;
197 u_int8_t result_code;
198 u_int8_t err_code;
199 u_int16_t recv_winsiz;
200 u_int16_t pkt_proc_delay;
201 u_int16_t reserved1;
202 };
203
204 struct pptp_msg_iccn {
205 u_int16_t peer_call_id;
206 u_int16_t reserved1;
207 u_int32_t conn_speed;
208 u_int16_t recv_winsiz;
209 u_int16_t pkt_proc_delay;
210 u_int32_t framing_type;
211 };
212
213 struct pptp_msg_ccrq {
214 u_int16_t call_id;
215 u_int16_t reserved1;
216 };
217
218 struct pptp_msg_cdn {
219 u_int16_t call_id;
220 u_int8_t result_code;
221 u_int8_t err_code;
222 u_int16_t cause_code;
223 u_int16_t reserved1;
224 u_char call_stats[128];
225 };
226
227 struct pptp_msg_wen {
228 u_int16_t peer_call_id;
229 u_int16_t reserved1;
230 u_int32_t crc_err;
231 u_int32_t framing_err;
232 u_int32_t hardware_overrun;
233 u_int32_t buffer_overrun;
234 u_int32_t timeout_err;
235 u_int32_t align_err;
236 };
237
238 struct pptp_msg_sli {
239 u_int16_t peer_call_id;
240 u_int16_t reserved1;
241 u_int32_t send_accm;
242 u_int32_t recv_accm;
243 };
244
245 /* attributes that appear more than once in above messages:
246
247 Number of
248 occurence attributes
249 --------------------------------------
250 2 u_int32_t bearer_cap;
251 2 u_int32_t bearer_type;
252 6 u_int16_t call_id;
253 2 u_int16_t call_ser;
254 2 u_int16_t cause_code;
255 2 u_int32_t conn_speed;
256 6 u_int8_t err_code;
257 2 u_int16_t firm_rev;
258 2 u_int32_t framing_cap;
259 2 u_int32_t framing_type;
260 2 u_char hostname[64];
261 2 u_int32_t id;
262 2 u_int16_t max_channel;
263 5 u_int16_t peer_call_id;
264 2 u_int32_t phy_chan_id;
265 4 u_int16_t pkt_proc_delay;
266 2 u_int16_t proto_ver;
267 4 u_int16_t recv_winsiz;
268 2 u_int8_t reserved1;
269 9 u_int16_t reserved1;
270 6 u_int8_t result_code;
271 2 u_char subaddr[64];
272 2 u_char vendor[64];
273
274 so I will prepare print out functions for these attributes (except for
275 reserved*).
276 */
277
278 /******************************************/
279 /* Attribute-specific print out functions */
280 /******************************************/
281
282 /* In these attribute-specific print-out functions, it't not necessary
283 to do TCHECK because they are already checked in the caller of
284 these functions. */
285
286 static void
287 pptp_bearer_cap_print(const u_int32_t *bearer_cap)
288 {
289 printf(" BEARER_CAP(");
290 if (EXTRACT_32BITS(bearer_cap) & PPTP_BEARER_CAP_DIGITAL_MASK) {
291 printf("D");
292 }
293 if (EXTRACT_32BITS(bearer_cap) & PPTP_BEARER_CAP_ANALOG_MASK) {
294 printf("A");
295 }
296 printf(")");
297 }
298
299 static void
300 pptp_bearer_type_print(const u_int32_t *bearer_type)
301 {
302 printf(" BEARER_TYPE(");
303 switch (EXTRACT_32BITS(bearer_type)) {
304 case 1:
305 printf("A"); /* Analog */
306 break;
307 case 2:
308 printf("D"); /* Digital */
309 break;
310 case 3:
311 printf("Any");
312 break;
313 default:
314 printf("?");
315 break;
316 }
317 printf(")");
318 }
319
320 static void
321 pptp_call_id_print(const u_int16_t *call_id)
322 {
323 printf(" CALL_ID(%u)", EXTRACT_16BITS(call_id));
324 }
325
326 static void
327 pptp_call_ser_print(const u_int16_t *call_ser)
328 {
329 printf(" CALL_SER_NUM(%u)", EXTRACT_16BITS(call_ser));
330 }
331
332 static void
333 pptp_cause_code_print(const u_int16_t *cause_code)
334 {
335 printf(" CAUSE_CODE(%u)", EXTRACT_16BITS(cause_code));
336 }
337
338 static void
339 pptp_conn_speed_print(const u_int32_t *conn_speed)
340 {
341 printf(" CONN_SPEED(%u)", EXTRACT_32BITS(conn_speed));
342 }
343
344 static void
345 pptp_err_code_print(const u_int8_t *err_code)
346 {
347 printf(" ERR_CODE(%u", *err_code);
348 if (vflag) {
349 switch (*err_code) {
350 case 0:
351 printf(":None");
352 break;
353 case 1:
354 printf(":Not-Connected");
355 break;
356 case 2:
357 printf(":Bad-Format");
358 break;
359 case 3:
360 printf(":Bad-Valude");
361 break;
362 case 4:
363 printf(":No-Resource");
364 break;
365 case 5:
366 printf(":Bad-Call-ID");
367 break;
368 case 6:
369 printf(":PAC-Error");
370 break;
371 default:
372 printf(":?");
373 break;
374 }
375 }
376 printf(")");
377 }
378
379 static void
380 pptp_firm_rev_print(const u_int16_t *firm_rev)
381 {
382 printf(" FIRM_REV(%u)", EXTRACT_16BITS(firm_rev));
383 }
384
385 static void
386 pptp_framing_cap_print(const u_int32_t *framing_cap)
387 {
388 printf(" FRAME_CAP(");
389 if (EXTRACT_32BITS(framing_cap) & PPTP_FRAMING_CAP_ASYNC_MASK) {
390 printf("A"); /* Async */
391 }
392 if (EXTRACT_32BITS(framing_cap) & PPTP_FRAMING_CAP_SYNC_MASK) {
393 printf("S"); /* Sync */
394 }
395 printf(")");
396 }
397
398 static void
399 pptp_framing_type_print(const u_int32_t *framing_type)
400 {
401 printf(" FRAME_TYPE(");
402 switch (EXTRACT_32BITS(framing_type)) {
403 case 1:
404 printf("A"); /* Async */
405 break;
406 case 2:
407 printf("S"); /* Sync */
408 break;
409 case 3:
410 printf("E"); /* Either */
411 break;
412 default:
413 printf("?");
414 break;
415 }
416 printf(")");
417 }
418
419 static void
420 pptp_hostname_print(const u_char *hostname)
421 {
422 printf(" HOSTNAME(%.64s)", hostname);
423 }
424
425 static void
426 pptp_id_print(const u_int32_t *id)
427 {
428 printf(" ID(%u)", EXTRACT_32BITS(id));
429 }
430
431 static void
432 pptp_max_channel_print(const u_int16_t *max_channel)
433 {
434 printf(" MAX_CHAN(%u)", EXTRACT_16BITS(max_channel));
435 }
436
437 static void
438 pptp_peer_call_id_print(const u_int16_t *peer_call_id)
439 {
440 printf(" PEER_CALL_ID(%u)", EXTRACT_16BITS(peer_call_id));
441 }
442
443 static void
444 pptp_phy_chan_id_print(const u_int32_t *phy_chan_id)
445 {
446 printf(" PHY_CHAN_ID(%u)", EXTRACT_32BITS(phy_chan_id));
447 }
448
449 static void
450 pptp_pkt_proc_delay_print(const u_int16_t *pkt_proc_delay)
451 {
452 printf(" PROC_DELAY(%u)", EXTRACT_16BITS(pkt_proc_delay));
453 }
454
455 static void
456 pptp_proto_ver_print(const u_int16_t *proto_ver)
457 {
458 printf(" PROTO_VER(%u.%u)", /* Version.Revision */
459 EXTRACT_16BITS(proto_ver) >> 8,
460 EXTRACT_16BITS(proto_ver) & 0xff);
461 }
462
463 static void
464 pptp_recv_winsiz_print(const u_int16_t *recv_winsiz)
465 {
466 printf(" RECV_WIN(%u)", EXTRACT_16BITS(recv_winsiz));
467 }
468
469 static void
470 pptp_result_code_print(const u_int8_t *result_code, int ctrl_msg_type)
471 {
472 printf(" RESULT_CODE(%u", *result_code);
473 if (vflag) {
474 switch (ctrl_msg_type) {
475 case PPTP_CTRL_MSG_TYPE_SCCRP:
476 switch (*result_code) {
477 case 1:
478 printf(":Successful channel establishment");
479 break;
480 case 2:
481 printf(":General error");
482 break;
483 case 3:
484 printf(":Command channel already exists");
485 break;
486 case 4:
487 printf(":Requester is not authorized to establish a command channel");
488 break;
489 case 5:
490 printf(":The protocol version of the requester is not supported");
491 break;
492 default:
493 printf(":?");
494 break;
495 }
496 break;
497 case PPTP_CTRL_MSG_TYPE_StopCCRP:
498 case PPTP_CTRL_MSG_TYPE_ECHORP:
499 switch (*result_code) {
500 case 1:
501 printf(":OK");
502 break;
503 case 2:
504 printf(":General Error");
505 break;
506 default:
507 printf(":?");
508 break;
509 }
510 break;
511 case PPTP_CTRL_MSG_TYPE_OCRP:
512 switch (*result_code) {
513 case 1:
514 printf(":Connected");
515 break;
516 case 2:
517 printf(":General Error");
518 break;
519 case 3:
520 printf(":No Carrier");
521 break;
522 case 4:
523 printf(":Busy");
524 break;
525 case 5:
526 printf(":No Dial Tone");
527 break;
528 case 6:
529 printf(":Time-out");
530 break;
531 case 7:
532 printf(":Do Not Accept");
533 break;
534 default:
535 printf(":?");
536 break;
537 }
538 break;
539 case PPTP_CTRL_MSG_TYPE_ICRP:
540 switch (*result_code) {
541 case 1:
542 printf(":Connect");
543 break;
544 case 2:
545 printf(":General Error");
546 break;
547 case 3:
548 printf(":Do Not Accept");
549 break;
550 default:
551 printf(":?");
552 break;
553 }
554 break;
555 case PPTP_CTRL_MSG_TYPE_CDN:
556 switch (*result_code) {
557 case 1:
558 printf(":Lost Carrier");
559 break;
560 case 2:
561 printf(":General Error");
562 break;
563 case 3:
564 printf(":Admin Shutdown");
565 break;
566 case 4:
567 printf(":Request");
568 default:
569 printf(":?");
570 break;
571 break;
572 }
573 default:
574 /* assertion error */
575 break;
576 }
577 }
578 printf(")");
579 }
580
581 static void
582 pptp_subaddr_print(const u_char *subaddr)
583 {
584 printf(" SUB_ADDR(%.64s)", subaddr);
585 }
586
587 static void
588 pptp_vendor_print(const u_char *vendor)
589 {
590 printf(" VENDOR(%.64s)", vendor);
591 }
592
593 /************************************/
594 /* PPTP message print out functions */
595 /************************************/
596 static void
597 pptp_sccrq_print(const u_char *dat)
598 {
599 struct pptp_msg_sccrq *ptr = (struct pptp_msg_sccrq *)dat;
600
601 TCHECK(ptr->proto_ver);
602 pptp_proto_ver_print(&ptr->proto_ver);
603 TCHECK(ptr->reserved1);
604 TCHECK(ptr->framing_cap);
605 pptp_framing_cap_print(&ptr->framing_cap);
606 TCHECK(ptr->bearer_cap);
607 pptp_bearer_cap_print(&ptr->bearer_cap);
608 TCHECK(ptr->max_channel);
609 pptp_max_channel_print(&ptr->max_channel);
610 TCHECK(ptr->firm_rev);
611 pptp_firm_rev_print(&ptr->firm_rev);
612 TCHECK(ptr->hostname);
613 pptp_hostname_print(&ptr->hostname[0]);
614 TCHECK(ptr->vendor);
615 pptp_vendor_print(&ptr->vendor[0]);
616
617 return;
618
619 trunc:
620 printf("%s", tstr);
621 }
622
623 static void
624 pptp_sccrp_print(const u_char *dat)
625 {
626 struct pptp_msg_sccrp *ptr = (struct pptp_msg_sccrp *)dat;
627
628 TCHECK(ptr->proto_ver);
629 pptp_proto_ver_print(&ptr->proto_ver);
630 TCHECK(ptr->result_code);
631 pptp_result_code_print(&ptr->result_code, PPTP_CTRL_MSG_TYPE_SCCRP);
632 TCHECK(ptr->err_code);
633 pptp_err_code_print(&ptr->err_code);
634 TCHECK(ptr->framing_cap);
635 pptp_framing_cap_print(&ptr->framing_cap);
636 TCHECK(ptr->bearer_cap);
637 pptp_bearer_cap_print(&ptr->bearer_cap);
638 TCHECK(ptr->max_channel);
639 pptp_max_channel_print(&ptr->max_channel);
640 TCHECK(ptr->firm_rev);
641 pptp_firm_rev_print(&ptr->firm_rev);
642 TCHECK(ptr->hostname);
643 pptp_hostname_print(&ptr->hostname[0]);
644 TCHECK(ptr->vendor);
645 pptp_vendor_print(&ptr->vendor[0]);
646
647 return;
648
649 trunc:
650 printf("%s", tstr);
651 }
652
653 static void
654 pptp_stopccrq_print(const u_char *dat)
655 {
656 struct pptp_msg_stopccrq *ptr = (struct pptp_msg_stopccrq *)dat;
657
658 TCHECK(ptr->reason);
659 printf(" REASON(%u", ptr->reason);
660 if (vflag) {
661 switch (ptr->reason) {
662 case 1:
663 printf(":None");
664 break;
665 case 2:
666 printf(":Stop-Protocol");
667 break;
668 case 3:
669 printf(":Stop-Local-Shutdown");
670 break;
671 default:
672 printf(":?");
673 break;
674 }
675 }
676 printf(")");
677 TCHECK(ptr->reserved1);
678 TCHECK(ptr->reserved2);
679
680 return;
681
682 trunc:
683 printf("%s", tstr);
684 }
685
686 static void
687 pptp_stopccrp_print(const u_char *dat)
688 {
689 struct pptp_msg_stopccrp *ptr = (struct pptp_msg_stopccrp *)dat;
690
691 TCHECK(ptr->result_code);
692 pptp_result_code_print(&ptr->result_code, PPTP_CTRL_MSG_TYPE_StopCCRP);
693 TCHECK(ptr->err_code);
694 pptp_err_code_print(&ptr->err_code);
695 TCHECK(ptr->reserved1);
696
697 return;
698
699 trunc:
700 printf("%s", tstr);
701 }
702
703 static void
704 pptp_echorq_print(const u_char *dat)
705 {
706 struct pptp_msg_echorq *ptr = (struct pptp_msg_echorq *)dat;
707
708 TCHECK(ptr->id);
709 pptp_id_print(&ptr->id);
710
711 return;
712
713 trunc:
714 printf("%s", tstr);
715 }
716
717 static void
718 pptp_echorp_print(const u_char *dat)
719 {
720 struct pptp_msg_echorp *ptr = (struct pptp_msg_echorp *)dat;
721
722 TCHECK(ptr->id);
723 pptp_id_print(&ptr->id);
724 TCHECK(ptr->result_code);
725 pptp_result_code_print(&ptr->result_code, PPTP_CTRL_MSG_TYPE_ECHORP);
726 TCHECK(ptr->err_code);
727 pptp_err_code_print(&ptr->err_code);
728 TCHECK(ptr->reserved1);
729
730 return;
731
732 trunc:
733 printf("%s", tstr);
734 }
735
736 static void
737 pptp_ocrq_print(const u_char *dat)
738 {
739 struct pptp_msg_ocrq *ptr = (struct pptp_msg_ocrq *)dat;
740
741 TCHECK(ptr->call_id);
742 pptp_call_id_print(&ptr->call_id);
743 TCHECK(ptr->call_ser);
744 pptp_call_ser_print(&ptr->call_ser);
745 TCHECK(ptr->min_bps);
746 printf(" MIN_BPS(%u)", EXTRACT_32BITS(&ptr->min_bps));
747 TCHECK(ptr->max_bps);
748 printf(" MAX_BPS(%u)", EXTRACT_32BITS(&ptr->max_bps));
749 TCHECK(ptr->bearer_type);
750 pptp_bearer_type_print(&ptr->bearer_type);
751 TCHECK(ptr->framing_type);
752 pptp_framing_type_print(&ptr->framing_type);
753 TCHECK(ptr->recv_winsiz);
754 pptp_recv_winsiz_print(&ptr->recv_winsiz);
755 TCHECK(ptr->pkt_proc_delay);
756 pptp_pkt_proc_delay_print(&ptr->pkt_proc_delay);
757 TCHECK(ptr->phone_no_len);
758 printf(" PHONE_NO_LEN(%u)", EXTRACT_16BITS(&ptr->phone_no_len));
759 TCHECK(ptr->reserved1);
760 TCHECK(ptr->phone_no);
761 printf(" PHONE_NO(%.64s)", ptr->phone_no);
762 TCHECK(ptr->subaddr);
763 pptp_subaddr_print(&ptr->subaddr[0]);
764
765 return;
766
767 trunc:
768 printf("%s", tstr);
769 }
770
771 static void
772 pptp_ocrp_print(const u_char *dat)
773 {
774 struct pptp_msg_ocrp *ptr = (struct pptp_msg_ocrp *)dat;
775
776 TCHECK(ptr->call_id);
777 pptp_call_id_print(&ptr->call_id);
778 TCHECK(ptr->peer_call_id);
779 pptp_peer_call_id_print(&ptr->peer_call_id);
780 TCHECK(ptr->result_code);
781 pptp_result_code_print(&ptr->result_code, PPTP_CTRL_MSG_TYPE_OCRP);
782 TCHECK(ptr->err_code);
783 pptp_err_code_print(&ptr->err_code);
784 TCHECK(ptr->cause_code);
785 pptp_cause_code_print(&ptr->cause_code);
786 TCHECK(ptr->conn_speed);
787 pptp_conn_speed_print(&ptr->conn_speed);
788 TCHECK(ptr->recv_winsiz);
789 pptp_recv_winsiz_print(&ptr->recv_winsiz);
790 TCHECK(ptr->pkt_proc_delay);
791 pptp_pkt_proc_delay_print(&ptr->pkt_proc_delay);
792 TCHECK(ptr->phy_chan_id);
793 pptp_phy_chan_id_print(&ptr->phy_chan_id);
794
795 return;
796
797 trunc:
798 printf("%s", tstr);
799 }
800
801 static void
802 pptp_icrq_print(const u_char *dat)
803 {
804 struct pptp_msg_icrq *ptr = (struct pptp_msg_icrq *)dat;
805
806 TCHECK(ptr->call_id);
807 pptp_call_id_print(&ptr->call_id);
808 TCHECK(ptr->call_ser);
809 pptp_call_ser_print(&ptr->call_ser);
810 TCHECK(ptr->bearer_type);
811 pptp_bearer_type_print(&ptr->bearer_type);
812 TCHECK(ptr->phy_chan_id);
813 pptp_phy_chan_id_print(&ptr->phy_chan_id);
814 TCHECK(ptr->dialed_no_len);
815 printf(" DIALED_NO_LEN(%u)", EXTRACT_16BITS(&ptr->dialed_no_len));
816 TCHECK(ptr->dialing_no_len);
817 printf(" DIALING_NO_LEN(%u)", EXTRACT_16BITS(&ptr->dialing_no_len));
818 TCHECK(ptr->dialed_no);
819 printf(" DIALED_NO(%.64s)", ptr->dialed_no);
820 TCHECK(ptr->dialing_no);
821 printf(" DIALING_NO(%.64s)", ptr->dialing_no);
822 TCHECK(ptr->subaddr);
823 pptp_subaddr_print(&ptr->subaddr[0]);
824
825 return;
826
827 trunc:
828 printf("%s", tstr);
829 }
830
831 static void
832 pptp_icrp_print(const u_char *dat)
833 {
834 struct pptp_msg_icrp *ptr = (struct pptp_msg_icrp *)dat;
835
836 TCHECK(ptr->call_id);
837 pptp_call_id_print(&ptr->call_id);
838 TCHECK(ptr->peer_call_id);
839 pptp_peer_call_id_print(&ptr->peer_call_id);
840 TCHECK(ptr->result_code);
841 pptp_result_code_print(&ptr->result_code, PPTP_CTRL_MSG_TYPE_ICRP);
842 TCHECK(ptr->err_code);
843 pptp_err_code_print(&ptr->err_code);
844 TCHECK(ptr->recv_winsiz);
845 pptp_recv_winsiz_print(&ptr->recv_winsiz);
846 TCHECK(ptr->pkt_proc_delay);
847 pptp_pkt_proc_delay_print(&ptr->pkt_proc_delay);
848 TCHECK(ptr->reserved1);
849
850 return;
851
852 trunc:
853 printf("%s", tstr);
854 }
855
856 static void
857 pptp_iccn_print(const u_char *dat)
858 {
859 struct pptp_msg_iccn *ptr = (struct pptp_msg_iccn *)dat;
860
861 TCHECK(ptr->peer_call_id);
862 pptp_peer_call_id_print(&ptr->peer_call_id);
863 TCHECK(ptr->reserved1);
864 TCHECK(ptr->conn_speed);
865 pptp_conn_speed_print(&ptr->conn_speed);
866 TCHECK(ptr->recv_winsiz);
867 pptp_recv_winsiz_print(&ptr->recv_winsiz);
868 TCHECK(ptr->pkt_proc_delay);
869 pptp_pkt_proc_delay_print(&ptr->pkt_proc_delay);
870 TCHECK(ptr->framing_type);
871 pptp_framing_type_print(&ptr->framing_type);
872
873 return;
874
875 trunc:
876 printf("%s", tstr);
877 }
878
879 static void
880 pptp_ccrq_print(const u_char *dat)
881 {
882 struct pptp_msg_ccrq *ptr = (struct pptp_msg_ccrq *)dat;
883
884 TCHECK(ptr->call_id);
885 pptp_call_id_print(&ptr->call_id);
886 TCHECK(ptr->reserved1);
887
888 return;
889
890 trunc:
891 printf("%s", tstr);
892 }
893
894 static void
895 pptp_cdn_print(const u_char *dat)
896 {
897 struct pptp_msg_cdn *ptr = (struct pptp_msg_cdn *)dat;
898
899 TCHECK(ptr->call_id);
900 pptp_call_id_print(&ptr->call_id);
901 TCHECK(ptr->result_code);
902 pptp_result_code_print(&ptr->result_code, PPTP_CTRL_MSG_TYPE_CDN);
903 TCHECK(ptr->err_code);
904 pptp_err_code_print(&ptr->err_code);
905 TCHECK(ptr->cause_code);
906 pptp_cause_code_print(&ptr->cause_code);
907 TCHECK(ptr->reserved1);
908 TCHECK(ptr->call_stats);
909 printf(" CALL_STATS(%.128s)", ptr->call_stats);
910
911 return;
912
913 trunc:
914 printf("%s", tstr);
915 }
916
917 static void
918 pptp_wen_print(const u_char *dat)
919 {
920 struct pptp_msg_wen *ptr = (struct pptp_msg_wen *)dat;
921
922 TCHECK(ptr->peer_call_id);
923 pptp_peer_call_id_print(&ptr->peer_call_id);
924 TCHECK(ptr->reserved1);
925 TCHECK(ptr->crc_err);
926 printf(" CRC_ERR(%u)", EXTRACT_32BITS(&ptr->crc_err));
927 TCHECK(ptr->framing_err);
928 printf(" FRAMING_ERR(%u)", EXTRACT_32BITS(&ptr->framing_err));
929 TCHECK(ptr->hardware_overrun);
930 printf(" HARDWARE_OVERRUN(%u)", EXTRACT_32BITS(&ptr->hardware_overrun));
931 TCHECK(ptr->buffer_overrun);
932 printf(" BUFFER_OVERRUN(%u)", EXTRACT_32BITS(&ptr->buffer_overrun));
933 TCHECK(ptr->timeout_err);
934 printf(" TIMEOUT_ERR(%u)", EXTRACT_32BITS(&ptr->timeout_err));
935 TCHECK(ptr->align_err);
936 printf(" ALIGN_ERR(%u)", EXTRACT_32BITS(&ptr->align_err));
937
938 return;
939
940 trunc:
941 printf("%s", tstr);
942 }
943
944 static void
945 pptp_sli_print(const u_char *dat)
946 {
947 struct pptp_msg_sli *ptr = (struct pptp_msg_sli *)dat;
948
949 TCHECK(ptr->peer_call_id);
950 pptp_peer_call_id_print(&ptr->peer_call_id);
951 TCHECK(ptr->reserved1);
952 TCHECK(ptr->send_accm);
953 printf(" SEND_ACCM(0x%08x)", EXTRACT_32BITS(&ptr->send_accm));
954 TCHECK(ptr->recv_accm);
955 printf(" RECV_ACCM(0x%08x)", EXTRACT_32BITS(&ptr->recv_accm));
956
957 return;
958
959 trunc:
960 printf("%s", tstr);
961 }
962
963 void
964 pptp_print(const u_char *dat)
965 {
966 const struct pptp_hdr *hdr;
967 u_int32_t mc;
968 u_int16_t ctrl_msg_type;
969
970 printf(": pptp");
971
972 hdr = (struct pptp_hdr *)dat;
973
974 TCHECK(hdr->length);
975 if (vflag) {
976 printf(" Length=%u", EXTRACT_16BITS(&hdr->length));
977 }
978 TCHECK(hdr->msg_type);
979 if (vflag) {
980 switch(EXTRACT_16BITS(&hdr->msg_type)) {
981 case PPTP_MSG_TYPE_CTRL:
982 printf(" CTRL-MSG");
983 break;
984 case PPTP_MSG_TYPE_MGMT:
985 printf(" MGMT-MSG");
986 break;
987 default:
988 printf(" UNKNOWN-MSG-TYPE");
989 break;
990 }
991 }
992
993 TCHECK(hdr->magic_cookie);
994 mc = EXTRACT_32BITS(&hdr->magic_cookie);
995 if (mc != PPTP_MAGIC_COOKIE) {
996 printf(" UNEXPECTED Magic-Cookie!!(%08x)", mc);
997 }
998 if (vflag || mc != PPTP_MAGIC_COOKIE) {
999 printf(" Magic-Cookie=%08x", mc);
1000 }
1001 TCHECK(hdr->ctrl_msg_type);
1002 ctrl_msg_type = EXTRACT_16BITS(&hdr->ctrl_msg_type);
1003 if (ctrl_msg_type < PPTP_MAX_MSGTYPE_INDEX) {
1004 printf(" CTRL_MSGTYPE=%s",
1005 pptp_message_type_string[ctrl_msg_type]);
1006 } else {
1007 printf(" UNKNOWN_CTRL_MSGTYPE(%u)", ctrl_msg_type);
1008 }
1009 TCHECK(hdr->reserved0);
1010
1011 dat += 12;
1012
1013 switch(ctrl_msg_type) {
1014 case PPTP_CTRL_MSG_TYPE_SCCRQ:
1015 pptp_sccrq_print(dat);
1016 break;
1017 case PPTP_CTRL_MSG_TYPE_SCCRP:
1018 pptp_sccrp_print(dat);
1019 break;
1020 case PPTP_CTRL_MSG_TYPE_StopCCRQ:
1021 pptp_stopccrq_print(dat);
1022 break;
1023 case PPTP_CTRL_MSG_TYPE_StopCCRP:
1024 pptp_stopccrp_print(dat);
1025 break;
1026 case PPTP_CTRL_MSG_TYPE_ECHORQ:
1027 pptp_echorq_print(dat);
1028 break;
1029 case PPTP_CTRL_MSG_TYPE_ECHORP:
1030 pptp_echorp_print(dat);
1031 break;
1032 case PPTP_CTRL_MSG_TYPE_OCRQ:
1033 pptp_ocrq_print(dat);
1034 break;
1035 case PPTP_CTRL_MSG_TYPE_OCRP:
1036 pptp_ocrp_print(dat);
1037 break;
1038 case PPTP_CTRL_MSG_TYPE_ICRQ:
1039 pptp_icrq_print(dat);
1040 break;
1041 case PPTP_CTRL_MSG_TYPE_ICRP:
1042 pptp_icrp_print(dat);
1043 break;
1044 case PPTP_CTRL_MSG_TYPE_ICCN:
1045 pptp_iccn_print(dat);
1046 break;
1047 case PPTP_CTRL_MSG_TYPE_CCRQ:
1048 pptp_ccrq_print(dat);
1049 break;
1050 case PPTP_CTRL_MSG_TYPE_CDN:
1051 pptp_cdn_print(dat);
1052 break;
1053 case PPTP_CTRL_MSG_TYPE_WEN:
1054 pptp_wen_print(dat);
1055 break;
1056 case PPTP_CTRL_MSG_TYPE_SLI:
1057 pptp_sli_print(dat);
1058 break;
1059 default:
1060 /* do nothing */
1061 break;
1062 }
1063
1064 return;
1065
1066 trunc:
1067 printf("%s", tstr);
1068 }
DragonFly BSD