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