print-smb.c revision 1.2.6.1 1 /*
2 * Copyright (C) Andrew Tridgell 1995-1999
3 *
4 * This software may be distributed either under the terms of the
5 * BSD-style license that accompanies tcpdump or the GNU GPL version 2
6 * or later
7 */
8
9 #ifdef HAVE_CONFIG_H
10 #include "config.h"
11 #endif
12
13 #include <sys/cdefs.h>
14 #ifndef lint
15 #if 0
16 static const char rcsid[] _U_ =
17 "@(#) Header: /tcpdump/master/tcpdump/print-smb.c,v 1.47 2007-12-09 00:30:47 guy Exp ";
18 #else
19 __RCSID("$NetBSD: print-smb.c,v 1.2.6.1 2014/05/22 15:51:20 yamt Exp $");
20 #endif
21 #endif
22
23 #include <tcpdump-stdinc.h>
24
25 #include <stdio.h>
26 #include <string.h>
27
28 #include "interface.h"
29 #include "extract.h"
30 #include "smb.h"
31
32 static int request = 0;
33 static int unicodestr = 0;
34
35 const u_char *startbuf = NULL;
36
37 struct smbdescript {
38 const char *req_f1;
39 const char *req_f2;
40 const char *rep_f1;
41 const char *rep_f2;
42 void (*fn)(const u_char *, const u_char *, const u_char *, const u_char *);
43 };
44
45 struct smbdescriptint {
46 const char *req_f1;
47 const char *req_f2;
48 const char *rep_f1;
49 const char *rep_f2;
50 void (*fn)(const u_char *, const u_char *, int, int);
51 };
52
53 struct smbfns
54 {
55 int id;
56 const char *name;
57 int flags;
58 struct smbdescript descript;
59 };
60
61 struct smbfnsint
62 {
63 int id;
64 const char *name;
65 int flags;
66 struct smbdescriptint descript;
67 };
68
69 #define DEFDESCRIPT { NULL, NULL, NULL, NULL, NULL }
70
71 #define FLG_CHAIN (1 << 0)
72
73 static struct smbfns *
74 smbfind(int id, struct smbfns *list)
75 {
76 int sindex;
77
78 for (sindex = 0; list[sindex].name; sindex++)
79 if (list[sindex].id == id)
80 return(&list[sindex]);
81
82 return(&list[0]);
83 }
84
85 static struct smbfnsint *
86 smbfindint(int id, struct smbfnsint *list)
87 {
88 int sindex;
89
90 for (sindex = 0; list[sindex].name; sindex++)
91 if (list[sindex].id == id)
92 return(&list[sindex]);
93
94 return(&list[0]);
95 }
96
97 static void
98 trans2_findfirst(const u_char *param, const u_char *data, int pcnt, int dcnt)
99 {
100 const char *fmt;
101
102 if (request)
103 fmt = "Attribute=[A]\nSearchCount=[d]\nFlags=[w]\nLevel=[dP4]\nFile=[S]\n";
104 else
105 fmt = "Handle=[w]\nCount=[d]\nEOS=[w]\nEoffset=[d]\nLastNameOfs=[w]\n";
106
107 smb_fdata(param, fmt, param + pcnt, unicodestr);
108 if (dcnt) {
109 printf("data:\n");
110 print_data(data, dcnt);
111 }
112 }
113
114 static void
115 trans2_qfsinfo(const u_char *param, const u_char *data, int pcnt, int dcnt)
116 {
117 static int level = 0;
118 const char *fmt="";
119
120 if (request) {
121 TCHECK2(*param, 2);
122 level = EXTRACT_LE_16BITS(param);
123 fmt = "InfoLevel=[d]\n";
124 smb_fdata(param, fmt, param + pcnt, unicodestr);
125 } else {
126 switch (level) {
127 case 1:
128 fmt = "idFileSystem=[W]\nSectorUnit=[D]\nUnit=[D]\nAvail=[D]\nSectorSize=[d]\n";
129 break;
130 case 2:
131 fmt = "CreationTime=[T2]VolNameLength=[lb]\nVolumeLabel=[c]\n";
132 break;
133 case 0x105:
134 fmt = "Capabilities=[W]\nMaxFileLen=[D]\nVolNameLen=[lD]\nVolume=[C]\n";
135 break;
136 default:
137 fmt = "UnknownLevel\n";
138 break;
139 }
140 smb_fdata(data, fmt, data + dcnt, unicodestr);
141 }
142 if (dcnt) {
143 printf("data:\n");
144 print_data(data, dcnt);
145 }
146 return;
147 trunc:
148 printf("[|SMB]");
149 return;
150 }
151
152 struct smbfnsint trans2_fns[] = {
153 { 0, "TRANSACT2_OPEN", 0,
154 { "Flags2=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]\nOFun=[w]\nSize=[D]\nRes=([w, w, w, w, w])\nPath=[S]",
155 NULL,
156 "Handle=[d]\nAttrib=[A]\nTime=[T2]\nSize=[D]\nAccess=[w]\nType=[w]\nState=[w]\nAction=[w]\nInode=[W]\nOffErr=[d]\n|EALength=[d]\n",
157 NULL, NULL }},
158 { 1, "TRANSACT2_FINDFIRST", 0,
159 { NULL, NULL, NULL, NULL, trans2_findfirst }},
160 { 2, "TRANSACT2_FINDNEXT", 0, DEFDESCRIPT },
161 { 3, "TRANSACT2_QFSINFO", 0,
162 { NULL, NULL, NULL, NULL, trans2_qfsinfo }},
163 { 4, "TRANSACT2_SETFSINFO", 0, DEFDESCRIPT },
164 { 5, "TRANSACT2_QPATHINFO", 0, DEFDESCRIPT },
165 { 6, "TRANSACT2_SETPATHINFO", 0, DEFDESCRIPT },
166 { 7, "TRANSACT2_QFILEINFO", 0, DEFDESCRIPT },
167 { 8, "TRANSACT2_SETFILEINFO", 0, DEFDESCRIPT },
168 { 9, "TRANSACT2_FSCTL", 0, DEFDESCRIPT },
169 { 10, "TRANSACT2_IOCTL", 0, DEFDESCRIPT },
170 { 11, "TRANSACT2_FINDNOTIFYFIRST", 0, DEFDESCRIPT },
171 { 12, "TRANSACT2_FINDNOTIFYNEXT", 0, DEFDESCRIPT },
172 { 13, "TRANSACT2_MKDIR", 0, DEFDESCRIPT },
173 { -1, NULL, 0, DEFDESCRIPT }
174 };
175
176
177 static void
178 print_trans2(const u_char *words, const u_char *dat, const u_char *buf, const u_char *maxbuf)
179 {
180 u_int bcc;
181 static struct smbfnsint *fn = &trans2_fns[0];
182 const u_char *data, *param;
183 const u_char *w = words + 1;
184 const char *f1 = NULL, *f2 = NULL;
185 int pcnt, dcnt;
186
187 TCHECK(words[0]);
188 if (request) {
189 TCHECK2(w[14 * 2], 2);
190 pcnt = EXTRACT_LE_16BITS(w + 9 * 2);
191 param = buf + EXTRACT_LE_16BITS(w + 10 * 2);
192 dcnt = EXTRACT_LE_16BITS(w + 11 * 2);
193 data = buf + EXTRACT_LE_16BITS(w + 12 * 2);
194 fn = smbfindint(EXTRACT_LE_16BITS(w + 14 * 2), trans2_fns);
195 } else {
196 if (words[0] == 0) {
197 printf("%s\n", fn->name);
198 printf("Trans2Interim\n");
199 return;
200 }
201 TCHECK2(w[7 * 2], 2);
202 pcnt = EXTRACT_LE_16BITS(w + 3 * 2);
203 param = buf + EXTRACT_LE_16BITS(w + 4 * 2);
204 dcnt = EXTRACT_LE_16BITS(w + 6 * 2);
205 data = buf + EXTRACT_LE_16BITS(w + 7 * 2);
206 }
207
208 printf("%s param_length=%d data_length=%d\n", fn->name, pcnt, dcnt);
209
210 if (request) {
211 if (words[0] == 8) {
212 smb_fdata(words + 1,
213 "Trans2Secondary\nTotParam=[d]\nTotData=[d]\nParamCnt=[d]\nParamOff=[d]\nParamDisp=[d]\nDataCnt=[d]\nDataOff=[d]\nDataDisp=[d]\nHandle=[d]\n",
214 maxbuf, unicodestr);
215 return;
216 } else {
217 smb_fdata(words + 1,
218 "TotParam=[d]\nTotData=[d]\nMaxParam=[d]\nMaxData=[d]\nMaxSetup=[b][P1]\nFlags=[w]\nTimeOut=[D]\nRes1=[w]\nParamCnt=[d]\nParamOff=[d]\nDataCnt=[d]\nDataOff=[d]\nSetupCnt=[b][P1]\n",
219 words + 1 + 14 * 2, unicodestr);
220 }
221 f1 = fn->descript.req_f1;
222 f2 = fn->descript.req_f2;
223 } else {
224 smb_fdata(words + 1,
225 "TotParam=[d]\nTotData=[d]\nRes1=[w]\nParamCnt=[d]\nParamOff=[d]\nParamDisp[d]\nDataCnt=[d]\nDataOff=[d]\nDataDisp=[d]\nSetupCnt=[b][P1]\n",
226 words + 1 + 10 * 2, unicodestr);
227 f1 = fn->descript.rep_f1;
228 f2 = fn->descript.rep_f2;
229 }
230
231 TCHECK2(*dat, 2);
232 bcc = EXTRACT_LE_16BITS(dat);
233 printf("smb_bcc=%u\n", bcc);
234 if (fn->descript.fn)
235 (*fn->descript.fn)(param, data, pcnt, dcnt);
236 else {
237 smb_fdata(param, f1 ? f1 : "Parameters=\n", param + pcnt, unicodestr);
238 smb_fdata(data, f2 ? f2 : "Data=\n", data + dcnt, unicodestr);
239 }
240 return;
241 trunc:
242 printf("[|SMB]");
243 return;
244 }
245
246
247 static void
248 print_browse(const u_char *param, int paramlen, const u_char *data, int datalen)
249 {
250 const u_char *maxbuf = data + datalen;
251 int command;
252
253 TCHECK(data[0]);
254 command = data[0];
255
256 smb_fdata(param, "BROWSE PACKET\n|Param ", param+paramlen, unicodestr);
257
258 switch (command) {
259 case 0xF:
260 data = smb_fdata(data,
261 "BROWSE PACKET:\nType=[B] (LocalMasterAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n",
262 maxbuf, unicodestr);
263 break;
264
265 case 0x1:
266 data = smb_fdata(data,
267 "BROWSE PACKET:\nType=[B] (HostAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n",
268 maxbuf, unicodestr);
269 break;
270
271 case 0x2:
272 data = smb_fdata(data,
273 "BROWSE PACKET:\nType=[B] (AnnouncementRequest)\nFlags=[B]\nReplySystemName=[S]\n",
274 maxbuf, unicodestr);
275 break;
276
277 case 0xc:
278 data = smb_fdata(data,
279 "BROWSE PACKET:\nType=[B] (WorkgroupAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nCommentPointer=[W]\nServerName=[S]\n",
280 maxbuf, unicodestr);
281 break;
282
283 case 0x8:
284 data = smb_fdata(data,
285 "BROWSE PACKET:\nType=[B] (ElectionFrame)\nElectionVersion=[B]\nOSSummary=[W]\nUptime=[(W, W)]\nServerName=[S]\n",
286 maxbuf, unicodestr);
287 break;
288
289 case 0xb:
290 data = smb_fdata(data,
291 "BROWSE PACKET:\nType=[B] (BecomeBackupBrowser)\nName=[S]\n",
292 maxbuf, unicodestr);
293 break;
294
295 case 0x9:
296 data = smb_fdata(data,
297 "BROWSE PACKET:\nType=[B] (GetBackupList)\nListCount?=[B]\nToken=[W]\n",
298 maxbuf, unicodestr);
299 break;
300
301 case 0xa:
302 data = smb_fdata(data,
303 "BROWSE PACKET:\nType=[B] (BackupListResponse)\nServerCount?=[B]\nToken=[W]\n*Name=[S]\n",
304 maxbuf, unicodestr);
305 break;
306
307 case 0xd:
308 data = smb_fdata(data,
309 "BROWSE PACKET:\nType=[B] (MasterAnnouncement)\nMasterName=[S]\n",
310 maxbuf, unicodestr);
311 break;
312
313 case 0xe:
314 data = smb_fdata(data,
315 "BROWSE PACKET:\nType=[B] (ResetBrowser)\nOptions=[B]\n", maxbuf, unicodestr);
316 break;
317
318 default:
319 data = smb_fdata(data, "Unknown Browser Frame ", maxbuf, unicodestr);
320 break;
321 }
322 return;
323 trunc:
324 printf("[|SMB]");
325 return;
326 }
327
328
329 static void
330 print_ipc(const u_char *param, int paramlen, const u_char *data, int datalen)
331 {
332 if (paramlen)
333 smb_fdata(param, "Command=[w]\nStr1=[S]\nStr2=[S]\n", param + paramlen,
334 unicodestr);
335 if (datalen)
336 smb_fdata(data, "IPC ", data + datalen, unicodestr);
337 }
338
339
340 static void
341 print_trans(const u_char *words, const u_char *data1, const u_char *buf, const u_char *maxbuf)
342 {
343 u_int bcc;
344 const char *f1, *f2, *f3, *f4;
345 const u_char *data, *param;
346 const u_char *w = words + 1;
347 int datalen, paramlen;
348
349 if (request) {
350 TCHECK2(w[12 * 2], 2);
351 paramlen = EXTRACT_LE_16BITS(w + 9 * 2);
352 param = buf + EXTRACT_LE_16BITS(w + 10 * 2);
353 datalen = EXTRACT_LE_16BITS(w + 11 * 2);
354 data = buf + EXTRACT_LE_16BITS(w + 12 * 2);
355 f1 = "TotParamCnt=[d] \nTotDataCnt=[d] \nMaxParmCnt=[d] \nMaxDataCnt=[d]\nMaxSCnt=[d] \nTransFlags=[w] \nRes1=[w] \nRes2=[w] \nRes3=[w]\nParamCnt=[d] \nParamOff=[d] \nDataCnt=[d] \nDataOff=[d] \nSUCnt=[d]\n";
356 f2 = "|Name=[S]\n";
357 f3 = "|Param ";
358 f4 = "|Data ";
359 } else {
360 TCHECK2(w[7 * 2], 2);
361 paramlen = EXTRACT_LE_16BITS(w + 3 * 2);
362 param = buf + EXTRACT_LE_16BITS(w + 4 * 2);
363 datalen = EXTRACT_LE_16BITS(w + 6 * 2);
364 data = buf + EXTRACT_LE_16BITS(w + 7 * 2);
365 f1 = "TotParamCnt=[d] \nTotDataCnt=[d] \nRes1=[d]\nParamCnt=[d] \nParamOff=[d] \nRes2=[d] \nDataCnt=[d] \nDataOff=[d] \nRes3=[d]\nLsetup=[d]\n";
366 f2 = "|Unknown ";
367 f3 = "|Param ";
368 f4 = "|Data ";
369 }
370
371 smb_fdata(words + 1, f1, SMBMIN(words + 1 + 2 * words[0], maxbuf),
372 unicodestr);
373
374 TCHECK2(*data1, 2);
375 bcc = EXTRACT_LE_16BITS(data1);
376 printf("smb_bcc=%u\n", bcc);
377 if (bcc > 0) {
378 smb_fdata(data1 + 2, f2, maxbuf - (paramlen + datalen), unicodestr);
379
380 if (strcmp((const char *)(data1 + 2), "\\MAILSLOT\\BROWSE") == 0) {
381 print_browse(param, paramlen, data, datalen);
382 return;
383 }
384
385 if (strcmp((const char *)(data1 + 2), "\\PIPE\\LANMAN") == 0) {
386 print_ipc(param, paramlen, data, datalen);
387 return;
388 }
389
390 if (paramlen)
391 smb_fdata(param, f3, SMBMIN(param + paramlen, maxbuf), unicodestr);
392 if (datalen)
393 smb_fdata(data, f4, SMBMIN(data + datalen, maxbuf), unicodestr);
394 }
395 return;
396 trunc:
397 printf("[|SMB]");
398 return;
399 }
400
401
402 static void
403 print_negprot(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
404 {
405 u_int wct, bcc;
406 const char *f1 = NULL, *f2 = NULL;
407
408 TCHECK(words[0]);
409 wct = words[0];
410 if (request)
411 f2 = "*|Dialect=[Y]\n";
412 else {
413 if (wct == 1)
414 f1 = "Core Protocol\nDialectIndex=[d]";
415 else if (wct == 17)
416 f1 = "NT1 Protocol\nDialectIndex=[d]\nSecMode=[B]\nMaxMux=[d]\nNumVcs=[d]\nMaxBuffer=[D]\nRawSize=[D]\nSessionKey=[W]\nCapabilities=[W]\nServerTime=[T3]TimeZone=[d]\nCryptKey=";
417 else if (wct == 13)
418 f1 = "Coreplus/Lanman1/Lanman2 Protocol\nDialectIndex=[d]\nSecMode=[w]\nMaxXMit=[d]\nMaxMux=[d]\nMaxVcs=[d]\nBlkMode=[w]\nSessionKey=[W]\nServerTime=[T1]TimeZone=[d]\nRes=[W]\nCryptKey=";
419 }
420
421 if (f1)
422 smb_fdata(words + 1, f1, SMBMIN(words + 1 + wct * 2, maxbuf),
423 unicodestr);
424 else
425 print_data(words + 1, SMBMIN(wct * 2, PTR_DIFF(maxbuf, words + 1)));
426
427 TCHECK2(*data, 2);
428 bcc = EXTRACT_LE_16BITS(data);
429 printf("smb_bcc=%u\n", bcc);
430 if (bcc > 0) {
431 if (f2)
432 smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data),
433 maxbuf), unicodestr);
434 else
435 print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
436 }
437 return;
438 trunc:
439 printf("[|SMB]");
440 return;
441 }
442
443 static void
444 print_sesssetup(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
445 {
446 u_int wct, bcc;
447 const char *f1 = NULL, *f2 = NULL;
448
449 TCHECK(words[0]);
450 wct = words[0];
451 if (request) {
452 if (wct == 10)
453 f1 = "Com2=[w]\nOff2=[d]\nBufSize=[d]\nMpxMax=[d]\nVcNum=[d]\nSessionKey=[W]\nPassLen=[d]\nCryptLen=[d]\nCryptOff=[d]\nPass&Name=\n";
454 else
455 f1 = "Com2=[B]\nRes1=[B]\nOff2=[d]\nMaxBuffer=[d]\nMaxMpx=[d]\nVcNumber=[d]\nSessionKey=[W]\nCaseInsensitivePasswordLength=[d]\nCaseSensitivePasswordLength=[d]\nRes=[W]\nCapabilities=[W]\nPass1&Pass2&Account&Domain&OS&LanMan=\n";
456 } else {
457 if (wct == 3) {
458 f1 = "Com2=[w]\nOff2=[d]\nAction=[w]\n";
459 } else if (wct == 13) {
460 f1 = "Com2=[B]\nRes=[B]\nOff2=[d]\nAction=[w]\n";
461 f2 = "NativeOS=[S]\nNativeLanMan=[S]\nPrimaryDomain=[S]\n";
462 }
463 }
464
465 if (f1)
466 smb_fdata(words + 1, f1, SMBMIN(words + 1 + wct * 2, maxbuf),
467 unicodestr);
468 else
469 print_data(words + 1, SMBMIN(wct * 2, PTR_DIFF(maxbuf, words + 1)));
470
471 TCHECK2(*data, 2);
472 bcc = EXTRACT_LE_16BITS(data);
473 printf("smb_bcc=%u\n", bcc);
474 if (bcc > 0) {
475 if (f2)
476 smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data),
477 maxbuf), unicodestr);
478 else
479 print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
480 }
481 return;
482 trunc:
483 printf("[|SMB]");
484 return;
485 }
486
487 static void
488 print_lockingandx(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
489 {
490 u_int wct, bcc;
491 const u_char *maxwords;
492 const char *f1 = NULL, *f2 = NULL;
493
494 TCHECK(words[0]);
495 wct = words[0];
496 if (request) {
497 f1 = "Com2=[w]\nOff2=[d]\nHandle=[d]\nLockType=[w]\nTimeOut=[D]\nUnlockCount=[d]\nLockCount=[d]\n";
498 TCHECK(words[7]);
499 if (words[7] & 0x10)
500 f2 = "*Process=[d]\n[P2]Offset=[M]\nLength=[M]\n";
501 else
502 f2 = "*Process=[d]\nOffset=[D]\nLength=[D]\n";
503 } else {
504 f1 = "Com2=[w]\nOff2=[d]\n";
505 }
506
507 maxwords = SMBMIN(words + 1 + wct * 2, maxbuf);
508 if (wct)
509 smb_fdata(words + 1, f1, maxwords, unicodestr);
510
511 TCHECK2(*data, 2);
512 bcc = EXTRACT_LE_16BITS(data);
513 printf("smb_bcc=%u\n", bcc);
514 if (bcc > 0) {
515 if (f2)
516 smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data),
517 maxbuf), unicodestr);
518 else
519 print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
520 }
521 return;
522 trunc:
523 printf("[|SMB]");
524 return;
525 }
526
527
528 static struct smbfns smb_fns[] = {
529 { -1, "SMBunknown", 0, DEFDESCRIPT },
530
531 { SMBtcon, "SMBtcon", 0,
532 { NULL, "Path=[Z]\nPassword=[Z]\nDevice=[Z]\n",
533 "MaxXmit=[d]\nTreeId=[d]\n", NULL,
534 NULL } },
535
536 { SMBtdis, "SMBtdis", 0, DEFDESCRIPT },
537 { SMBexit, "SMBexit", 0, DEFDESCRIPT },
538 { SMBioctl, "SMBioctl", 0, DEFDESCRIPT },
539
540 { SMBecho, "SMBecho", 0,
541 { "ReverbCount=[d]\n", NULL,
542 "SequenceNum=[d]\n", NULL,
543 NULL } },
544
545 { SMBulogoffX, "SMBulogoffX", FLG_CHAIN, DEFDESCRIPT },
546
547 { SMBgetatr, "SMBgetatr", 0,
548 { NULL, "Path=[Z]\n",
549 "Attribute=[A]\nTime=[T2]Size=[D]\nRes=([w,w,w,w,w])\n", NULL,
550 NULL } },
551
552 { SMBsetatr, "SMBsetatr", 0,
553 { "Attribute=[A]\nTime=[T2]Res=([w,w,w,w,w])\n", "Path=[Z]\n",
554 NULL, NULL, NULL } },
555
556 { SMBchkpth, "SMBchkpth", 0,
557 { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
558
559 { SMBsearch, "SMBsearch", 0,
560 { "Count=[d]\nAttrib=[A]\n",
561 "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\n",
562 "Count=[d]\n",
563 "BlkType=[B]\nBlkLen=[d]\n*\nRes1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\nAttrib=[a]\nTime=[T1]Size=[D]\nName=[s13]\n",
564 NULL } },
565
566 { SMBopen, "SMBopen", 0,
567 { "Mode=[w]\nAttribute=[A]\n", "Path=[Z]\n",
568 "Handle=[d]\nOAttrib=[A]\nTime=[T2]Size=[D]\nAccess=[w]\n",
569 NULL, NULL } },
570
571 { SMBcreate, "SMBcreate", 0,
572 { "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } },
573
574 { SMBmknew, "SMBmknew", 0,
575 { "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } },
576
577 { SMBunlink, "SMBunlink", 0,
578 { "Attrib=[A]\n", "Path=[Z]\n", NULL, NULL, NULL } },
579
580 { SMBread, "SMBread", 0,
581 { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
582 "Count=[d]\nRes=([w,w,w,w])\n", NULL, NULL } },
583
584 { SMBwrite, "SMBwrite", 0,
585 { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
586 "Count=[d]\n", NULL, NULL } },
587
588 { SMBclose, "SMBclose", 0,
589 { "Handle=[d]\nTime=[T2]", NULL, NULL, NULL, NULL } },
590
591 { SMBmkdir, "SMBmkdir", 0,
592 { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
593
594 { SMBrmdir, "SMBrmdir", 0,
595 { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
596
597 { SMBdskattr, "SMBdskattr", 0,
598 { NULL, NULL,
599 "TotalUnits=[d]\nBlocksPerUnit=[d]\nBlockSize=[d]\nFreeUnits=[d]\nMedia=[w]\n",
600 NULL, NULL } },
601
602 { SMBmv, "SMBmv", 0,
603 { "Attrib=[A]\n", "OldPath=[Z]\nNewPath=[Z]\n", NULL, NULL, NULL } },
604
605 /*
606 * this is a Pathworks specific call, allowing the
607 * changing of the root path
608 */
609 { pSETDIR, "SMBsetdir", 0, { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
610
611 { SMBlseek, "SMBlseek", 0,
612 { "Handle=[d]\nMode=[w]\nOffset=[D]\n", "Offset=[D]\n", NULL, NULL, NULL } },
613
614 { SMBflush, "SMBflush", 0, { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
615
616 { SMBsplopen, "SMBsplopen", 0,
617 { "SetupLen=[d]\nMode=[w]\n", "Ident=[Z]\n", "Handle=[d]\n",
618 NULL, NULL } },
619
620 { SMBsplclose, "SMBsplclose", 0,
621 { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
622
623 { SMBsplretq, "SMBsplretq", 0,
624 { "MaxCount=[d]\nStartIndex=[d]\n", NULL,
625 "Count=[d]\nIndex=[d]\n",
626 "*Time=[T2]Status=[B]\nJobID=[d]\nSize=[D]\nRes=[B]Name=[s16]\n",
627 NULL } },
628
629 { SMBsplwr, "SMBsplwr", 0,
630 { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
631
632 { SMBlock, "SMBlock", 0,
633 { "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } },
634
635 { SMBunlock, "SMBunlock", 0,
636 { "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } },
637
638 /* CORE+ PROTOCOL FOLLOWS */
639
640 { SMBreadbraw, "SMBreadbraw", 0,
641 { "Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[d]\n",
642 NULL, NULL, NULL, NULL } },
643
644 { SMBwritebraw, "SMBwritebraw", 0,
645 { "Handle=[d]\nTotalCount=[d]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\n|DataSize=[d]\nDataOff=[d]\n",
646 NULL, "WriteRawAck", NULL, NULL } },
647
648 { SMBwritec, "SMBwritec", 0,
649 { NULL, NULL, "Count=[d]\n", NULL, NULL } },
650
651 { SMBwriteclose, "SMBwriteclose", 0,
652 { "Handle=[d]\nCount=[d]\nOffset=[D]\nTime=[T2]Res=([w,w,w,w,w,w])",
653 NULL, "Count=[d]\n", NULL, NULL } },
654
655 { SMBlockread, "SMBlockread", 0,
656 { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
657 "Count=[d]\nRes=([w,w,w,w])\n", NULL, NULL } },
658
659 { SMBwriteunlock, "SMBwriteunlock", 0,
660 { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
661 "Count=[d]\n", NULL, NULL } },
662
663 { SMBreadBmpx, "SMBreadBmpx", 0,
664 { "Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[w]\n",
665 NULL,
666 "Offset=[D]\nTotCount=[d]\nRemaining=[d]\nRes=([w,w])\nDataSize=[d]\nDataOff=[d]\n",
667 NULL, NULL } },
668
669 { SMBwriteBmpx, "SMBwriteBmpx", 0,
670 { "Handle=[d]\nTotCount=[d]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\nDataSize=[d]\nDataOff=[d]\n", NULL,
671 "Remaining=[d]\n", NULL, NULL } },
672
673 { SMBwriteBs, "SMBwriteBs", 0,
674 { "Handle=[d]\nTotCount=[d]\nOffset=[D]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\n",
675 NULL, "Count=[d]\n", NULL, NULL } },
676
677 { SMBsetattrE, "SMBsetattrE", 0,
678 { "Handle=[d]\nCreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]", NULL,
679 NULL, NULL, NULL } },
680
681 { SMBgetattrE, "SMBgetattrE", 0,
682 { "Handle=[d]\n", NULL,
683 "CreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]Size=[D]\nAllocSize=[D]\nAttribute=[A]\n",
684 NULL, NULL } },
685
686 { SMBtranss, "SMBtranss", 0, DEFDESCRIPT },
687 { SMBioctls, "SMBioctls", 0, DEFDESCRIPT },
688
689 { SMBcopy, "SMBcopy", 0,
690 { "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n",
691 "CopyCount=[d]\n", "|ErrStr=[S]\n", NULL } },
692
693 { SMBmove, "SMBmove", 0,
694 { "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n",
695 "MoveCount=[d]\n", "|ErrStr=[S]\n", NULL } },
696
697 { SMBopenX, "SMBopenX", FLG_CHAIN,
698 { "Com2=[w]\nOff2=[d]\nFlags=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]OFun=[w]\nSize=[D]\nTimeOut=[D]\nRes=[W]\n",
699 "Path=[S]\n",
700 "Com2=[w]\nOff2=[d]\nHandle=[d]\nAttrib=[A]\nTime=[T2]Size=[D]\nAccess=[w]\nType=[w]\nState=[w]\nAction=[w]\nFileID=[W]\nRes=[w]\n",
701 NULL, NULL } },
702
703 { SMBreadX, "SMBreadX", FLG_CHAIN,
704 { "Com2=[w]\nOff2=[d]\nHandle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nCountLeft=[d]\n",
705 NULL,
706 "Com2=[w]\nOff2=[d]\nRemaining=[d]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\nRes=([w,w,w,w])\n",
707 NULL, NULL } },
708
709 { SMBwriteX, "SMBwriteX", FLG_CHAIN,
710 { "Com2=[w]\nOff2=[d]\nHandle=[d]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nCountLeft=[d]\nRes=[w]\nDataSize=[d]\nDataOff=[d]\n",
711 NULL,
712 "Com2=[w]\nOff2=[d]\nCount=[d]\nRemaining=[d]\nRes=[W]\n",
713 NULL, NULL } },
714
715 { SMBffirst, "SMBffirst", 0,
716 { "Count=[d]\nAttrib=[A]\n",
717 "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
718 "Count=[d]\n",
719 "BlkType=[B]\nBlkLen=[d]\n*\nRes1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\nAttrib=[a]\nTime=[T1]Size=[D]\nName=[s13]\n",
720 NULL } },
721
722 { SMBfunique, "SMBfunique", 0,
723 { "Count=[d]\nAttrib=[A]\n",
724 "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
725 "Count=[d]\n",
726 "BlkType=[B]\nBlkLen=[d]\n*\nRes1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\nAttrib=[a]\nTime=[T1]Size=[D]\nName=[s13]\n",
727 NULL } },
728
729 { SMBfclose, "SMBfclose", 0,
730 { "Count=[d]\nAttrib=[A]\n",
731 "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
732 "Count=[d]\n",
733 "BlkType=[B]\nBlkLen=[d]\n*\nRes1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\nAttrib=[a]\nTime=[T1]Size=[D]\nName=[s13]\n",
734 NULL } },
735
736 { SMBfindnclose, "SMBfindnclose", 0,
737 { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
738
739 { SMBfindclose, "SMBfindclose", 0,
740 { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
741
742 { SMBsends, "SMBsends", 0,
743 { NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } },
744
745 { SMBsendstrt, "SMBsendstrt", 0,
746 { NULL, "Source=[Z]\nDest=[Z]\n", "GroupID=[d]\n", NULL, NULL } },
747
748 { SMBsendend, "SMBsendend", 0,
749 { "GroupID=[d]\n", NULL, NULL, NULL, NULL } },
750
751 { SMBsendtxt, "SMBsendtxt", 0,
752 { "GroupID=[d]\n", NULL, NULL, NULL, NULL } },
753
754 { SMBsendb, "SMBsendb", 0,
755 { NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } },
756
757 { SMBfwdname, "SMBfwdname", 0, DEFDESCRIPT },
758 { SMBcancelf, "SMBcancelf", 0, DEFDESCRIPT },
759 { SMBgetmac, "SMBgetmac", 0, DEFDESCRIPT },
760
761 { SMBnegprot, "SMBnegprot", 0,
762 { NULL, NULL, NULL, NULL, print_negprot } },
763
764 { SMBsesssetupX, "SMBsesssetupX", FLG_CHAIN,
765 { NULL, NULL, NULL, NULL, print_sesssetup } },
766
767 { SMBtconX, "SMBtconX", FLG_CHAIN,
768 { "Com2=[w]\nOff2=[d]\nFlags=[w]\nPassLen=[d]\nPasswd&Path&Device=\n",
769 NULL, "Com2=[w]\nOff2=[d]\n", "ServiceType=[R]\n", NULL } },
770
771 { SMBlockingX, "SMBlockingX", FLG_CHAIN,
772 { NULL, NULL, NULL, NULL, print_lockingandx } },
773
774 { SMBtrans2, "SMBtrans2", 0, { NULL, NULL, NULL, NULL, print_trans2 } },
775
776 { SMBtranss2, "SMBtranss2", 0, DEFDESCRIPT },
777 { SMBctemp, "SMBctemp", 0, DEFDESCRIPT },
778 { SMBreadBs, "SMBreadBs", 0, DEFDESCRIPT },
779 { SMBtrans, "SMBtrans", 0, { NULL, NULL, NULL, NULL, print_trans } },
780
781 { SMBnttrans, "SMBnttrans", 0, DEFDESCRIPT },
782 { SMBnttranss, "SMBnttranss", 0, DEFDESCRIPT },
783
784 { SMBntcreateX, "SMBntcreateX", FLG_CHAIN,
785 { "Com2=[w]\nOff2=[d]\nRes=[b]\nNameLen=[ld]\nFlags=[W]\nRootDirectoryFid=[D]\nAccessMask=[W]\nAllocationSize=[L]\nExtFileAttributes=[W]\nShareAccess=[W]\nCreateDisposition=[W]\nCreateOptions=[W]\nImpersonationLevel=[W]\nSecurityFlags=[b]\n",
786 "Path=[C]\n",
787 "Com2=[w]\nOff2=[d]\nOplockLevel=[b]\nFid=[d]\nCreateAction=[W]\nCreateTime=[T3]LastAccessTime=[T3]LastWriteTime=[T3]ChangeTime=[T3]ExtFileAttributes=[W]\nAllocationSize=[L]\nEndOfFile=[L]\nFileType=[w]\nDeviceState=[w]\nDirectory=[b]\n",
788 NULL, NULL } },
789
790 { SMBntcancel, "SMBntcancel", 0, DEFDESCRIPT },
791
792 { -1, NULL, 0, DEFDESCRIPT }
793 };
794
795
796 /*
797 * print a SMB message
798 */
799 static void
800 print_smb(const u_char *buf, const u_char *maxbuf)
801 {
802 u_int16_t flags2;
803 int nterrcodes;
804 int command;
805 u_int32_t nterror;
806 const u_char *words, *maxwords, *data;
807 struct smbfns *fn;
808 const char *fmt_smbheader =
809 "[P4]SMB Command = [B]\nError class = [BP1]\nError code = [d]\nFlags1 = [B]\nFlags2 = [B][P13]\nTree ID = [d]\nProc ID = [d]\nUID = [d]\nMID = [d]\nWord Count = [b]\n";
810 int smboffset;
811
812 TCHECK(buf[9]);
813 request = (buf[9] & 0x80) ? 0 : 1;
814 flags2 = EXTRACT_LE_16BITS(&buf[10]);
815 unicodestr = flags2 & 0x8000;
816 nterrcodes = flags2 & 0x4000;
817 startbuf = buf;
818
819 command = buf[4];
820
821 fn = smbfind(command, smb_fns);
822
823 if (vflag > 1)
824 printf("\n");
825
826 printf("SMB PACKET: %s (%s)\n", fn->name, request ? "REQUEST" : "REPLY");
827
828 if (vflag < 2)
829 return;
830
831 /* print out the header */
832 smb_fdata(buf, fmt_smbheader, buf + 33, unicodestr);
833
834 if (nterrcodes) {
835 nterror = EXTRACT_LE_32BITS(&buf[5]);
836 if (nterror)
837 printf("NTError = %s\n", nt_errstr(nterror));
838 } else {
839 if (buf[5])
840 printf("SMBError = %s\n", smb_errstr(buf[5], EXTRACT_LE_16BITS(&buf[7])));
841 }
842
843 smboffset = 32;
844
845 for (;;) {
846 const char *f1, *f2;
847 int wct;
848 u_int bcc;
849 int newsmboffset;
850
851 words = buf + smboffset;
852 TCHECK(words[0]);
853 wct = words[0];
854 data = words + 1 + wct * 2;
855 maxwords = SMBMIN(data, maxbuf);
856
857 if (request) {
858 f1 = fn->descript.req_f1;
859 f2 = fn->descript.req_f2;
860 } else {
861 f1 = fn->descript.rep_f1;
862 f2 = fn->descript.rep_f2;
863 }
864
865 if (fn->descript.fn)
866 (*fn->descript.fn)(words, data, buf, maxbuf);
867 else {
868 if (wct) {
869 if (f1)
870 smb_fdata(words + 1, f1, words + 1 + wct * 2, unicodestr);
871 else {
872 int i;
873 int v;
874
875 for (i = 0; &words[1 + 2 * i] < maxwords; i++) {
876 TCHECK2(words[1 + 2 * i], 2);
877 v = EXTRACT_LE_16BITS(words + 1 + 2 * i);
878 printf("smb_vwv[%d]=%d (0x%X)\n", i, v, v);
879 }
880 }
881 }
882
883 TCHECK2(*data, 2);
884 bcc = EXTRACT_LE_16BITS(data);
885 printf("smb_bcc=%u\n", bcc);
886 if (f2) {
887 if (bcc > 0)
888 smb_fdata(data + 2, f2, data + 2 + bcc, unicodestr);
889 } else {
890 if (bcc > 0) {
891 printf("smb_buf[]=\n");
892 print_data(data + 2, SMBMIN(bcc, PTR_DIFF(maxbuf, data + 2)));
893 }
894 }
895 }
896
897 if ((fn->flags & FLG_CHAIN) == 0)
898 break;
899 if (wct == 0)
900 break;
901 TCHECK(words[1]);
902 command = words[1];
903 if (command == 0xFF)
904 break;
905 TCHECK2(words[3], 2);
906 newsmboffset = EXTRACT_LE_16BITS(words + 3);
907
908 fn = smbfind(command, smb_fns);
909
910 printf("\nSMB PACKET: %s (%s) (CHAINED)\n",
911 fn->name, request ? "REQUEST" : "REPLY");
912 if (newsmboffset <= smboffset) {
913 printf("Bad andX offset: %u <= %u\n", newsmboffset, smboffset);
914 break;
915 }
916 smboffset = newsmboffset;
917 }
918
919 printf("\n");
920 return;
921 trunc:
922 printf("[|SMB]");
923 return;
924 }
925
926
927 /*
928 * print a NBT packet received across tcp on port 139
929 */
930 void
931 nbt_tcp_print(const u_char *data, int length)
932 {
933 int caplen;
934 int type;
935 u_int nbt_len;
936 const u_char *maxbuf;
937
938 if (length < 4)
939 goto trunc;
940 if (snapend < data)
941 goto trunc;
942 caplen = snapend - data;
943 if (caplen < 4)
944 goto trunc;
945 maxbuf = data + caplen;
946 type = data[0];
947 nbt_len = EXTRACT_16BITS(data + 2);
948 length -= 4;
949 caplen -= 4;
950
951 startbuf = data;
952
953 if (vflag < 2) {
954 printf(" NBT Session Packet: ");
955 switch (type) {
956 case 0x00:
957 printf("Session Message");
958 break;
959
960 case 0x81:
961 printf("Session Request");
962 break;
963
964 case 0x82:
965 printf("Session Granted");
966 break;
967
968 case 0x83:
969 {
970 int ecode;
971
972 if (nbt_len < 4)
973 goto trunc;
974 if (length < 4)
975 goto trunc;
976 if (caplen < 4)
977 goto trunc;
978 ecode = data[4];
979
980 printf("Session Reject, ");
981 switch (ecode) {
982 case 0x80:
983 printf("Not listening on called name");
984 break;
985 case 0x81:
986 printf("Not listening for calling name");
987 break;
988 case 0x82:
989 printf("Called name not present");
990 break;
991 case 0x83:
992 printf("Called name present, but insufficient resources");
993 break;
994 default:
995 printf("Unspecified error 0x%X", ecode);
996 break;
997 }
998 }
999 break;
1000
1001 case 0x85:
1002 printf("Session Keepalive");
1003 break;
1004
1005 default:
1006 data = smb_fdata(data, "Unknown packet type [rB]", maxbuf, 0);
1007 break;
1008 }
1009 } else {
1010 printf ("\n>>> NBT Session Packet\n");
1011 switch (type) {
1012 case 0x00:
1013 data = smb_fdata(data, "[P1]NBT Session Message\nFlags=[B]\nLength=[rd]\n",
1014 data + 4, 0);
1015 if (data == NULL)
1016 break;
1017 if (nbt_len >= 4 && caplen >= 4 && memcmp(data,"\377SMB",4) == 0) {
1018 if ((int)nbt_len > caplen) {
1019 if ((int)nbt_len > length)
1020 printf("WARNING: Packet is continued in later TCP segments\n");
1021 else
1022 printf("WARNING: Short packet. Try increasing the snap length by %d\n",
1023 nbt_len - caplen);
1024 }
1025 print_smb(data, maxbuf > data + nbt_len ? data + nbt_len : maxbuf);
1026 } else
1027 printf("Session packet:(raw data or continuation?)\n");
1028 break;
1029
1030 case 0x81:
1031 data = smb_fdata(data,
1032 "[P1]NBT Session Request\nFlags=[B]\nLength=[rd]\nDestination=[n1]\nSource=[n1]\n",
1033 maxbuf, 0);
1034 break;
1035
1036 case 0x82:
1037 data = smb_fdata(data, "[P1]NBT Session Granted\nFlags=[B]\nLength=[rd]\n", maxbuf, 0);
1038 break;
1039
1040 case 0x83:
1041 {
1042 const u_char *origdata;
1043 int ecode;
1044
1045 origdata = data;
1046 data = smb_fdata(data, "[P1]NBT SessionReject\nFlags=[B]\nLength=[rd]\nReason=[B]\n",
1047 maxbuf, 0);
1048 if (data == NULL)
1049 break;
1050 if (nbt_len >= 1 && caplen >= 1) {
1051 ecode = origdata[4];
1052 switch (ecode) {
1053 case 0x80:
1054 printf("Not listening on called name\n");
1055 break;
1056 case 0x81:
1057 printf("Not listening for calling name\n");
1058 break;
1059 case 0x82:
1060 printf("Called name not present\n");
1061 break;
1062 case 0x83:
1063 printf("Called name present, but insufficient resources\n");
1064 break;
1065 default:
1066 printf("Unspecified error 0x%X\n", ecode);
1067 break;
1068 }
1069 }
1070 }
1071 break;
1072
1073 case 0x85:
1074 data = smb_fdata(data, "[P1]NBT Session Keepalive\nFlags=[B]\nLength=[rd]\n", maxbuf, 0);
1075 break;
1076
1077 default:
1078 data = smb_fdata(data, "NBT - Unknown packet type\nType=[B]\n", maxbuf, 0);
1079 break;
1080 }
1081 printf("\n");
1082 fflush(stdout);
1083 }
1084 return;
1085 trunc:
1086 printf("[|SMB]");
1087 return;
1088 }
1089
1090
1091 /*
1092 * print a NBT packet received across udp on port 137
1093 */
1094 void
1095 nbt_udp137_print(const u_char *data, int length)
1096 {
1097 const u_char *maxbuf = data + length;
1098 int name_trn_id, response, opcode, nm_flags, rcode;
1099 int qdcount, ancount, nscount, arcount;
1100 const char *opcodestr;
1101 const u_char *p;
1102 int total, i;
1103
1104 TCHECK2(data[10], 2);
1105 name_trn_id = EXTRACT_16BITS(data);
1106 response = (data[2] >> 7);
1107 opcode = (data[2] >> 3) & 0xF;
1108 nm_flags = ((data[2] & 0x7) << 4) + (data[3] >> 4);
1109 rcode = data[3] & 0xF;
1110 qdcount = EXTRACT_16BITS(data + 4);
1111 ancount = EXTRACT_16BITS(data + 6);
1112 nscount = EXTRACT_16BITS(data + 8);
1113 arcount = EXTRACT_16BITS(data + 10);
1114 startbuf = data;
1115
1116 if (maxbuf <= data)
1117 return;
1118
1119 if (vflag > 1)
1120 printf("\n>>> ");
1121
1122 printf("NBT UDP PACKET(137): ");
1123
1124 switch (opcode) {
1125 case 0: opcodestr = "QUERY"; break;
1126 case 5: opcodestr = "REGISTRATION"; break;
1127 case 6: opcodestr = "RELEASE"; break;
1128 case 7: opcodestr = "WACK"; break;
1129 case 8: opcodestr = "REFRESH(8)"; break;
1130 case 9: opcodestr = "REFRESH"; break;
1131 case 15: opcodestr = "MULTIHOMED REGISTRATION"; break;
1132 default: opcodestr = "OPUNKNOWN"; break;
1133 }
1134 printf("%s", opcodestr);
1135 if (response) {
1136 if (rcode)
1137 printf("; NEGATIVE");
1138 else
1139 printf("; POSITIVE");
1140 }
1141
1142 if (response)
1143 printf("; RESPONSE");
1144 else
1145 printf("; REQUEST");
1146
1147 if (nm_flags & 1)
1148 printf("; BROADCAST");
1149 else
1150 printf("; UNICAST");
1151
1152 if (vflag < 2)
1153 return;
1154
1155 printf("\nTrnID=0x%X\nOpCode=%d\nNmFlags=0x%X\nRcode=%d\nQueryCount=%d\nAnswerCount=%d\nAuthorityCount=%d\nAddressRecCount=%d\n",
1156 name_trn_id, opcode, nm_flags, rcode, qdcount, ancount, nscount,
1157 arcount);
1158
1159 p = data + 12;
1160
1161 total = ancount + nscount + arcount;
1162
1163 if (qdcount > 100 || total > 100) {
1164 printf("Corrupt packet??\n");
1165 return;
1166 }
1167
1168 if (qdcount) {
1169 printf("QuestionRecords:\n");
1170 for (i = 0; i < qdcount; i++) {
1171 p = smb_fdata(p,
1172 "|Name=[n1]\nQuestionType=[rw]\nQuestionClass=[rw]\n#",
1173 maxbuf, 0);
1174 if (p == NULL)
1175 goto out;
1176 }
1177 }
1178
1179 if (total) {
1180 printf("\nResourceRecords:\n");
1181 for (i = 0; i < total; i++) {
1182 int rdlen;
1183 int restype;
1184
1185 p = smb_fdata(p, "Name=[n1]\n#", maxbuf, 0);
1186 if (p == NULL)
1187 goto out;
1188 restype = EXTRACT_16BITS(p);
1189 p = smb_fdata(p, "ResType=[rw]\nResClass=[rw]\nTTL=[rD]\n", p + 8, 0);
1190 if (p == NULL)
1191 goto out;
1192 rdlen = EXTRACT_16BITS(p);
1193 printf("ResourceLength=%d\nResourceData=\n", rdlen);
1194 p += 2;
1195 if (rdlen == 6) {
1196 p = smb_fdata(p, "AddrType=[rw]\nAddress=[b.b.b.b]\n", p + rdlen, 0);
1197 if (p == NULL)
1198 goto out;
1199 } else {
1200 if (restype == 0x21) {
1201 int numnames;
1202
1203 TCHECK(*p);
1204 numnames = p[0];
1205 p = smb_fdata(p, "NumNames=[B]\n", p + 1, 0);
1206 if (p == NULL)
1207 goto out;
1208 while (numnames--) {
1209 p = smb_fdata(p, "Name=[n2]\t#", maxbuf, 0);
1210 if (p == NULL)
1211 goto out;
1212 TCHECK(*p);
1213 if (p[0] & 0x80)
1214 printf("<GROUP> ");
1215 switch (p[0] & 0x60) {
1216 case 0x00: printf("B "); break;
1217 case 0x20: printf("P "); break;
1218 case 0x40: printf("M "); break;
1219 case 0x60: printf("_ "); break;
1220 }
1221 if (p[0] & 0x10)
1222 printf("<DEREGISTERING> ");
1223 if (p[0] & 0x08)
1224 printf("<CONFLICT> ");
1225 if (p[0] & 0x04)
1226 printf("<ACTIVE> ");
1227 if (p[0] & 0x02)
1228 printf("<PERMANENT> ");
1229 printf("\n");
1230 p += 2;
1231 }
1232 } else {
1233 print_data(p, min(rdlen, length - (p - data)));
1234 p += rdlen;
1235 }
1236 }
1237 }
1238 }
1239
1240 if (p < maxbuf)
1241 smb_fdata(p, "AdditionalData:\n", maxbuf, 0);
1242
1243 out:
1244 printf("\n");
1245 fflush(stdout);
1246 return;
1247 trunc:
1248 printf("[|SMB]");
1249 return;
1250 }
1251
1252 /*
1253 * Print an SMB-over-TCP packet received across tcp on port 445
1254 */
1255 void
1256 smb_tcp_print (const u_char * data, int length)
1257 {
1258 int caplen;
1259 u_int smb_len;
1260 const u_char *maxbuf;
1261
1262 if (length < 4)
1263 goto trunc;
1264 if (snapend < data)
1265 goto trunc;
1266 caplen = snapend - data;
1267 if (caplen < 4)
1268 goto trunc;
1269 maxbuf = data + caplen;
1270 smb_len = EXTRACT_24BITS(data + 1);
1271 length -= 4;
1272 caplen -= 4;
1273
1274 startbuf = data;
1275 data += 4;
1276
1277 if (smb_len >= 4 && caplen >= 4 && memcmp(data,"\377SMB",4) == 0) {
1278 if ((int)smb_len > caplen) {
1279 if ((int)smb_len > length)
1280 printf("WARNING: Packet is continued in later TCP segments\n");
1281 else
1282 printf("WARNING: Short packet. Try increasing the snap length by %d\n",
1283 smb_len - caplen);
1284 }
1285 print_smb(data, maxbuf > data + smb_len ? data + smb_len : maxbuf);
1286 } else
1287 printf("SMB-over-TCP packet:(raw data or continuation?)\n");
1288 return;
1289 trunc:
1290 printf("[|SMB]");
1291 return;
1292 }
1293
1294 /*
1295 * print a NBT packet received across udp on port 138
1296 */
1297 void
1298 nbt_udp138_print(const u_char *data, int length)
1299 {
1300 const u_char *maxbuf = data + length;
1301
1302 if (maxbuf > snapend)
1303 maxbuf = snapend;
1304 if (maxbuf <= data)
1305 return;
1306 startbuf = data;
1307
1308 if (vflag < 2) {
1309 printf("NBT UDP PACKET(138)");
1310 return;
1311 }
1312
1313 data = smb_fdata(data,
1314 "\n>>> NBT UDP PACKET(138) Res=[rw] ID=[rw] IP=[b.b.b.b] Port=[rd] Length=[rd] Res2=[rw]\nSourceName=[n1]\nDestName=[n1]\n#",
1315 maxbuf, 0);
1316
1317 if (data != NULL) {
1318 /* If there isn't enough data for "\377SMB", don't check for it. */
1319 if (&data[3] >= maxbuf)
1320 goto out;
1321
1322 if (memcmp(data, "\377SMB",4) == 0)
1323 print_smb(data, maxbuf);
1324 }
1325 out:
1326 printf("\n");
1327 fflush(stdout);
1328 }
1329
1330
1331 /*
1332 print netbeui frames
1333 */
1334 struct nbf_strings {
1335 const char *name;
1336 const char *nonverbose;
1337 const char *verbose;
1338 } nbf_strings[0x20] = {
1339 { "Add Group Name Query", ", [P23]Name to add=[n2]#",
1340 "[P5]ResponseCorrelator=[w]\n[P16]Name to add=[n2]\n" },
1341 { "Add Name Query", ", [P23]Name to add=[n2]#",
1342 "[P5]ResponseCorrelator=[w]\n[P16]Name to add=[n2]\n" },
1343 { "Name In Conflict", NULL, NULL },
1344 { "Status Query", NULL, NULL },
1345 { NULL, NULL, NULL }, /* not used */
1346 { NULL, NULL, NULL }, /* not used */
1347 { NULL, NULL, NULL }, /* not used */
1348 { "Terminate Trace", NULL, NULL },
1349 { "Datagram", NULL,
1350 "[P7]Destination=[n2]\nSource=[n2]\n" },
1351 { "Broadcast Datagram", NULL,
1352 "[P7]Destination=[n2]\nSource=[n2]\n" },
1353 { "Name Query", ", [P7]Name=[n2]#",
1354 "[P1]SessionNumber=[B]\nNameType=[B][P2]\nResponseCorrelator=[w]\nName=[n2]\nName of sender=[n2]\n" },
1355 { NULL, NULL, NULL }, /* not used */
1356 { NULL, NULL, NULL }, /* not used */
1357 { "Add Name Response", ", [P1]GroupName=[w] [P4]Destination=[n2] Source=[n2]#",
1358 "AddNameInProcess=[B]\nGroupName=[w]\nTransmitCorrelator=[w][P2]\nDestination=[n2]\nSource=[n2]\n" },
1359 { "Name Recognized", NULL,
1360 "[P1]Data2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nDestination=[n2]\nSource=[n2]\n" },
1361 { "Status Response", NULL, NULL },
1362 { NULL, NULL, NULL }, /* not used */
1363 { NULL, NULL, NULL }, /* not used */
1364 { NULL, NULL, NULL }, /* not used */
1365 { "Terminate Trace", NULL, NULL },
1366 { "Data Ack", NULL,
1367 "[P3]TransmitCorrelator=[w][P2]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1368 { "Data First/Middle", NULL,
1369 "Flags=[{RECEIVE_CONTINUE|NO_ACK||PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1370 { "Data Only/Last", NULL,
1371 "Flags=[{|NO_ACK|PIGGYBACK_ACK_ALLOWED|PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1372 { "Session Confirm", NULL,
1373 "Data1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1374 { "Session End", NULL,
1375 "[P1]Data2=[w][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1376 { "Session Initialize", NULL,
1377 "Data1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1378 { "No Receive", NULL,
1379 "Flags=[{|SEND_NO_ACK}]\nDataBytesAccepted=[b][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1380 { "Receive Outstanding", NULL,
1381 "[P1]DataBytesAccepted=[b][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1382 { "Receive Continue", NULL,
1383 "[P2]TransmitCorrelator=[w]\n[P2]RemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1384 { NULL, NULL, NULL }, /* not used */
1385 { NULL, NULL, NULL }, /* not used */
1386 { "Session Alive", NULL, NULL }
1387 };
1388
1389 void
1390 netbeui_print(u_short control, const u_char *data, int length)
1391 {
1392 const u_char *maxbuf = data + length;
1393 int len;
1394 int command;
1395 const u_char *data2;
1396 int is_truncated = 0;
1397
1398 if (maxbuf > snapend)
1399 maxbuf = snapend;
1400 TCHECK(data[4]);
1401 len = EXTRACT_LE_16BITS(data);
1402 command = data[4];
1403 data2 = data + len;
1404 if (data2 >= maxbuf) {
1405 data2 = maxbuf;
1406 is_truncated = 1;
1407 }
1408
1409 startbuf = data;
1410
1411 if (vflag < 2) {
1412 printf("NBF Packet: ");
1413 data = smb_fdata(data, "[P5]#", maxbuf, 0);
1414 } else {
1415 printf("\n>>> NBF Packet\nType=0x%X ", control);
1416 data = smb_fdata(data, "Length=[d] Signature=[w] Command=[B]\n#", maxbuf, 0);
1417 }
1418 if (data == NULL)
1419 goto out;
1420
1421 if (command > 0x1f || nbf_strings[command].name == NULL) {
1422 if (vflag < 2)
1423 data = smb_fdata(data, "Unknown NBF Command#", data2, 0);
1424 else
1425 data = smb_fdata(data, "Unknown NBF Command\n", data2, 0);
1426 } else {
1427 if (vflag < 2) {
1428 printf("%s", nbf_strings[command].name);
1429 if (nbf_strings[command].nonverbose != NULL)
1430 data = smb_fdata(data, nbf_strings[command].nonverbose, data2, 0);
1431 } else {
1432 printf("%s:\n", nbf_strings[command].name);
1433 if (nbf_strings[command].verbose != NULL)
1434 data = smb_fdata(data, nbf_strings[command].verbose, data2, 0);
1435 else
1436 printf("\n");
1437 }
1438 }
1439
1440 if (vflag < 2)
1441 return;
1442
1443 if (data == NULL)
1444 goto out;
1445
1446 if (is_truncated) {
1447 /* data2 was past the end of the buffer */
1448 goto out;
1449 }
1450
1451 /* If this isn't a command that would contain an SMB message, quit. */
1452 if (command != 0x08 && command != 0x09 && command != 0x15 &&
1453 command != 0x16)
1454 goto out;
1455
1456 /* If there isn't enough data for "\377SMB", don't look for it. */
1457 if (&data2[3] >= maxbuf)
1458 goto out;
1459
1460 if (memcmp(data2, "\377SMB",4) == 0)
1461 print_smb(data2, maxbuf);
1462 else {
1463 int i;
1464 for (i = 0; i < 128; i++) {
1465 if (&data2[i + 3] >= maxbuf)
1466 break;
1467 if (memcmp(&data2[i], "\377SMB", 4) == 0) {
1468 printf("found SMB packet at %d\n", i);
1469 print_smb(&data2[i], maxbuf);
1470 break;
1471 }
1472 }
1473 }
1474
1475 out:
1476 printf("\n");
1477 return;
1478 trunc:
1479 printf("[|SMB]");
1480 return;
1481 }
1482
1483
1484 /*
1485 * print IPX-Netbios frames
1486 */
1487 void
1488 ipx_netbios_print(const u_char *data, u_int length)
1489 {
1490 /*
1491 * this is a hack till I work out how to parse the rest of the
1492 * NetBIOS-over-IPX stuff
1493 */
1494 int i;
1495 const u_char *maxbuf;
1496
1497 maxbuf = data + length;
1498 /* Don't go past the end of the captured data in the packet. */
1499 if (maxbuf > snapend)
1500 maxbuf = snapend;
1501 startbuf = data;
1502 for (i = 0; i < 128; i++) {
1503 if (&data[i + 4] > maxbuf)
1504 break;
1505 if (memcmp(&data[i], "\377SMB", 4) == 0) {
1506 smb_fdata(data, "\n>>> IPX transport ", &data[i], 0);
1507 if (data != NULL)
1508 print_smb(&data[i], maxbuf);
1509 printf("\n");
1510 fflush(stdout);
1511 break;
1512 }
1513 }
1514 if (i == 128)
1515 smb_fdata(data, "\n>>> Unknown IPX ", maxbuf, 0);
1516 }
1517