xref: /freebsd/contrib/tcpdump/print-smb.c (revision 55f88dd25e8b4fad6bb2effd3ae55dd687b0903e) 
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 1.41 2004/12/30 03:36:51 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 *
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 *
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
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
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
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
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
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
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
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
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
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
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
926 nbt_tcp_print(const u_char *data, int length)
927 {
928     const u_char *maxbuf = data + length;
929     int type;
930     u_int nbt_len;
931 
932     TCHECK2(data[2], 2);
933     type = data[0];
934     nbt_len = EXTRACT_16BITS(data + 2);
935 
936     startbuf = data;
937     if (maxbuf <= data)
938 	return;
939 
940     if (vflag < 2) {
941 	printf(" NBT Session Packet: ");
942 	switch (type) {
943 	case 0x00:
944 	    printf("Session Message");
945 	    break;
946 
947 	case 0x81:
948 	    printf("Session Request");
949 	    break;
950 
951 	case 0x82:
952 	    printf("Session Granted");
953 	    break;
954 
955 	case 0x83:
956 	  {
957 	    int ecode;
958 
959 	    TCHECK(data[4]);
960 	    ecode = data[4];
961 
962 	    printf("Session Reject, ");
963 	    switch (ecode) {
964 	    case 0x80:
965 		printf("Not listening on called name");
966 		break;
967 	    case 0x81:
968 		printf("Not listening for calling name");
969 		break;
970 	    case 0x82:
971 		printf("Called name not present");
972 		break;
973 	    case 0x83:
974 		printf("Called name present, but insufficient resources");
975 		break;
976 	    default:
977 		printf("Unspecified error 0x%X", ecode);
978 		break;
979 	    }
980 	  }
981 	    break;
982 
983 	case 0x85:
984 	    printf("Session Keepalive");
985 	    break;
986 
987 	default:
988 	    data = smb_fdata(data, "Unknown packet type [rB]", maxbuf, 0);
989 	    break;
990 	}
991     } else {
992 	printf ("\n>>> NBT Session Packet\n");
993 	switch (type) {
994 	case 0x00:
995 	    data = smb_fdata(data, "[P1]NBT Session Message\nFlags=[B]\nLength=[rd]\n",
996 		data + 4, 0);
997 	    if (data == NULL)
998 		break;
999 	    if (memcmp(data,"\377SMB",4) == 0) {
1000 		if (nbt_len > PTR_DIFF(maxbuf, data))
1001 		    printf("WARNING: Short packet. Try increasing the snap length (%lu)\n",
1002 			(unsigned long)PTR_DIFF(maxbuf, data));
1003 		print_smb(data, maxbuf > data + nbt_len ? data + nbt_len : maxbuf);
1004 	    } else
1005 		printf("Session packet:(raw data?)\n");
1006 	    break;
1007 
1008 	case 0x81:
1009 	    data = smb_fdata(data,
1010 		"[P1]NBT Session Request\nFlags=[B]\nLength=[rd]\nDestination=[n1]\nSource=[n1]\n",
1011 		maxbuf, 0);
1012 	    break;
1013 
1014 	case 0x82:
1015 	    data = smb_fdata(data, "[P1]NBT Session Granted\nFlags=[B]\nLength=[rd]\n", maxbuf, 0);
1016 	    break;
1017 
1018 	case 0x83:
1019 	  {
1020 	    int ecode;
1021 
1022 	    TCHECK(data[4]);
1023 	    ecode = data[4];
1024 
1025 	    data = smb_fdata(data, "[P1]NBT SessionReject\nFlags=[B]\nLength=[rd]\nReason=[B]\n",
1026 		maxbuf, 0);
1027 	    switch (ecode) {
1028 	    case 0x80:
1029 		printf("Not listening on called name\n");
1030 		break;
1031 	    case 0x81:
1032 		printf("Not listening for calling name\n");
1033 		break;
1034 	    case 0x82:
1035 		printf("Called name not present\n");
1036 		break;
1037 	    case 0x83:
1038 		printf("Called name present, but insufficient resources\n");
1039 		break;
1040 	    default:
1041 		printf("Unspecified error 0x%X\n", ecode);
1042 		break;
1043 	    }
1044 	  }
1045 	    break;
1046 
1047 	case 0x85:
1048 	    data = smb_fdata(data, "[P1]NBT Session Keepalive\nFlags=[B]\nLength=[rd]\n", maxbuf, 0);
1049 	    break;
1050 
1051 	default:
1052 	    data = smb_fdata(data, "NBT - Unknown packet type\nType=[B]\n", maxbuf, 0);
1053 	    break;
1054 	}
1055 	printf("\n");
1056 	fflush(stdout);
1057     }
1058     return;
1059 trunc:
1060     printf("[|SMB]");
1061     return;
1062 }
1063 
1064 
1065 /*
1066  * print a NBT packet received across udp on port 137
1067  */
1068 void
1069 nbt_udp137_print(const u_char *data, int length)
1070 {
1071     const u_char *maxbuf = data + length;
1072     int name_trn_id, response, opcode, nm_flags, rcode;
1073     int qdcount, ancount, nscount, arcount;
1074     const char *opcodestr;
1075     const u_char *p;
1076     int total, i;
1077 
1078     TCHECK2(data[10], 2);
1079     name_trn_id = EXTRACT_16BITS(data);
1080     response = (data[2] >> 7);
1081     opcode = (data[2] >> 3) & 0xF;
1082     nm_flags = ((data[2] & 0x7) << 4) + (data[3] >> 4);
1083     rcode = data[3] & 0xF;
1084     qdcount = EXTRACT_16BITS(data + 4);
1085     ancount = EXTRACT_16BITS(data + 6);
1086     nscount = EXTRACT_16BITS(data + 8);
1087     arcount = EXTRACT_16BITS(data + 10);
1088     startbuf = data;
1089 
1090     if (maxbuf <= data)
1091 	return;
1092 
1093     if (vflag > 1)
1094 	printf("\n>>> ");
1095 
1096     printf("NBT UDP PACKET(137): ");
1097 
1098     switch (opcode) {
1099     case 0: opcodestr = "QUERY"; break;
1100     case 5: opcodestr = "REGISTRATION"; break;
1101     case 6: opcodestr = "RELEASE"; break;
1102     case 7: opcodestr = "WACK"; break;
1103     case 8: opcodestr = "REFRESH(8)"; break;
1104     case 9: opcodestr = "REFRESH"; break;
1105     case 15: opcodestr = "MULTIHOMED REGISTRATION"; break;
1106     default: opcodestr = "OPUNKNOWN"; break;
1107     }
1108     printf("%s", opcodestr);
1109     if (response) {
1110 	if (rcode)
1111 	    printf("; NEGATIVE");
1112 	else
1113 	    printf("; POSITIVE");
1114     }
1115 
1116     if (response)
1117 	printf("; RESPONSE");
1118     else
1119 	printf("; REQUEST");
1120 
1121     if (nm_flags & 1)
1122 	printf("; BROADCAST");
1123     else
1124 	printf("; UNICAST");
1125 
1126     if (vflag < 2)
1127 	return;
1128 
1129     printf("\nTrnID=0x%X\nOpCode=%d\nNmFlags=0x%X\nRcode=%d\nQueryCount=%d\nAnswerCount=%d\nAuthorityCount=%d\nAddressRecCount=%d\n",
1130 	name_trn_id, opcode, nm_flags, rcode, qdcount, ancount, nscount,
1131 	arcount);
1132 
1133     p = data + 12;
1134 
1135     total = ancount + nscount + arcount;
1136 
1137     if (qdcount > 100 || total > 100) {
1138 	printf("Corrupt packet??\n");
1139 	return;
1140     }
1141 
1142     if (qdcount) {
1143 	printf("QuestionRecords:\n");
1144 	for (i = 0; i < qdcount; i++)
1145 	    p = smb_fdata(p,
1146 		"|Name=[n1]\nQuestionType=[rw]\nQuestionClass=[rw]\n#",
1147 		maxbuf, 0);
1148 	if (p == NULL)
1149 	    goto out;
1150     }
1151 
1152     if (total) {
1153 	printf("\nResourceRecords:\n");
1154 	for (i = 0; i < total; i++) {
1155 	    int rdlen;
1156 	    int restype;
1157 
1158 	    p = smb_fdata(p, "Name=[n1]\n#", maxbuf, 0);
1159 	    if (p == NULL)
1160 		goto out;
1161 	    restype = EXTRACT_16BITS(p);
1162 	    p = smb_fdata(p, "ResType=[rw]\nResClass=[rw]\nTTL=[rD]\n", p + 8, 0);
1163 	    if (p == NULL)
1164 		goto out;
1165 	    rdlen = EXTRACT_16BITS(p);
1166 	    printf("ResourceLength=%d\nResourceData=\n", rdlen);
1167 	    p += 2;
1168 	    if (rdlen == 6) {
1169 		p = smb_fdata(p, "AddrType=[rw]\nAddress=[b.b.b.b]\n", p + rdlen, 0);
1170 		if (p == NULL)
1171 		    goto out;
1172 	    } else {
1173 		if (restype == 0x21) {
1174 		    int numnames;
1175 
1176 		    TCHECK(*p);
1177 		    numnames = p[0];
1178 		    p = smb_fdata(p, "NumNames=[B]\n", p + 1, 0);
1179 		    if (p == NULL)
1180 			goto out;
1181 		    while (numnames--) {
1182 			p = smb_fdata(p, "Name=[n2]\t#", maxbuf, 0);
1183 			TCHECK(*p);
1184 			if (p[0] & 0x80)
1185 			    printf("<GROUP> ");
1186 			switch (p[0] & 0x60) {
1187 			case 0x00: printf("B "); break;
1188 			case 0x20: printf("P "); break;
1189 			case 0x40: printf("M "); break;
1190 			case 0x60: printf("_ "); break;
1191 			}
1192 			if (p[0] & 0x10)
1193 			    printf("<DEREGISTERING> ");
1194 			if (p[0] & 0x08)
1195 			    printf("<CONFLICT> ");
1196 			if (p[0] & 0x04)
1197 			    printf("<ACTIVE> ");
1198 			if (p[0] & 0x02)
1199 			    printf("<PERMANENT> ");
1200 			printf("\n");
1201 			p += 2;
1202 		    }
1203 		} else {
1204 		    print_data(p, min(rdlen, length - (p - data)));
1205 		    p += rdlen;
1206 		}
1207 	    }
1208 	}
1209     }
1210 
1211     if (p < maxbuf)
1212 	smb_fdata(p, "AdditionalData:\n", maxbuf, 0);
1213 
1214 out:
1215     printf("\n");
1216     fflush(stdout);
1217     return;
1218 trunc:
1219     printf("[|SMB]");
1220     return;
1221 }
1222 
1223 
1224 
1225 /*
1226  * print a NBT packet received across udp on port 138
1227  */
1228 void
1229 nbt_udp138_print(const u_char *data, int length)
1230 {
1231     const u_char *maxbuf = data + length;
1232 
1233     if (maxbuf > snapend)
1234 	maxbuf = snapend;
1235     if (maxbuf <= data)
1236 	return;
1237     startbuf = data;
1238 
1239     if (vflag < 2) {
1240 	printf("NBT UDP PACKET(138)");
1241 	return;
1242     }
1243 
1244     data = smb_fdata(data,
1245 	"\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#",
1246 	maxbuf, 0);
1247 
1248     if (data != NULL) {
1249 	/* If there isn't enough data for "\377SMB", don't check for it. */
1250 	if (&data[3] >= maxbuf)
1251 	    goto out;
1252 
1253 	if (memcmp(data, "\377SMB",4) == 0)
1254 	    print_smb(data, maxbuf);
1255     }
1256 out:
1257     printf("\n");
1258     fflush(stdout);
1259 }
1260 
1261 
1262 /*
1263    print netbeui frames
1264 */
1265 struct nbf_strings {
1266 	const char	*name;
1267 	const char	*nonverbose;
1268 	const char	*verbose;
1269 } nbf_strings[0x20] = {
1270 	{ "Add Group Name Query", ", [P23]Name to add=[n2]#",
1271 	  "[P5]ResponseCorrelator=[w]\n[P16]Name to add=[n2]\n" },
1272 	{ "Add Name Query", ", [P23]Name to add=[n2]#",
1273 	  "[P5]ResponseCorrelator=[w]\n[P16]Name to add=[n2]\n" },
1274 	{ "Name In Conflict", NULL, NULL },
1275 	{ "Status Query", NULL, NULL },
1276 	{ NULL, NULL, NULL },	/* not used */
1277 	{ NULL, NULL, NULL },	/* not used */
1278 	{ NULL, NULL, NULL },	/* not used */
1279 	{ "Terminate Trace", NULL, NULL },
1280 	{ "Datagram", NULL,
1281 	  "[P7]Destination=[n2]\nSource=[n2]\n" },
1282 	{ "Broadcast Datagram", NULL,
1283 	  "[P7]Destination=[n2]\nSource=[n2]\n" },
1284 	{ "Name Query", ", [P7]Name=[n2]#",
1285 	  "[P1]SessionNumber=[B]\nNameType=[B][P2]\nResponseCorrelator=[w]\nName=[n2]\nName of sender=[n2]\n" },
1286 	{ NULL, NULL, NULL },	/* not used */
1287 	{ NULL, NULL, NULL },	/* not used */
1288 	{ "Add Name Response", ", [P1]GroupName=[w] [P4]Destination=[n2] Source=[n2]#",
1289 	  "AddNameInProcess=[B]\nGroupName=[w]\nTransmitCorrelator=[w][P2]\nDestination=[n2]\nSource=[n2]\n" },
1290 	{ "Name Recognized", NULL,
1291 	  "[P1]Data2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nDestination=[n2]\nSource=[n2]\n" },
1292 	{ "Status Response", NULL, NULL },
1293 	{ NULL, NULL, NULL },	/* not used */
1294 	{ NULL, NULL, NULL },	/* not used */
1295 	{ NULL, NULL, NULL },	/* not used */
1296 	{ "Terminate Trace", NULL, NULL },
1297 	{ "Data Ack", NULL,
1298 	  "[P3]TransmitCorrelator=[w][P2]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1299 	{ "Data First/Middle", NULL,
1300 	  "Flags=[{RECEIVE_CONTINUE|NO_ACK||PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1301 	{ "Data Only/Last", NULL,
1302 	  "Flags=[{|NO_ACK|PIGGYBACK_ACK_ALLOWED|PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1303 	{ "Session Confirm", NULL,
1304 	  "Data1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1305 	{ "Session End", NULL,
1306 	  "[P1]Data2=[w][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1307 	{ "Session Initialize", NULL,
1308 	  "Data1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1309 	{ "No Receive", NULL,
1310 	  "Flags=[{|SEND_NO_ACK}]\nDataBytesAccepted=[b][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1311 	{ "Receive Outstanding", NULL,
1312 	  "[P1]DataBytesAccepted=[b][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1313 	{ "Receive Continue", NULL,
1314 	  "[P2]TransmitCorrelator=[w]\n[P2]RemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1315 	{ NULL, NULL, NULL },	/* not used */
1316 	{ NULL, NULL, NULL },	/* not used */
1317 	{ "Session Alive", NULL, NULL }
1318 };
1319 
1320 void
1321 netbeui_print(u_short control, const u_char *data, int length)
1322 {
1323     const u_char *maxbuf = data + length;
1324     int len;
1325     int command;
1326     const u_char *data2;
1327     int is_truncated = 0;
1328 
1329     if (maxbuf > snapend)
1330 	maxbuf = snapend;
1331     TCHECK(data[4]);
1332     len = EXTRACT_LE_16BITS(data);
1333     command = data[4];
1334     data2 = data + len;
1335     if (data2 >= maxbuf) {
1336 	data2 = maxbuf;
1337 	is_truncated = 1;
1338     }
1339 
1340     startbuf = data;
1341 
1342     if (vflag < 2) {
1343 	printf("NBF Packet: ");
1344 	data = smb_fdata(data, "[P5]#", maxbuf, 0);
1345     } else {
1346 	printf("\n>>> NBF Packet\nType=0x%X ", control);
1347 	data = smb_fdata(data, "Length=[d] Signature=[w] Command=[B]\n#", maxbuf, 0);
1348     }
1349     if (data == NULL)
1350 	goto out;
1351 
1352     if (command > 0x1f || nbf_strings[command].name == NULL) {
1353 	if (vflag < 2)
1354 	    data = smb_fdata(data, "Unknown NBF Command#", data2, 0);
1355 	else
1356 	    data = smb_fdata(data, "Unknown NBF Command\n", data2, 0);
1357     } else {
1358 	if (vflag < 2) {
1359 	    printf("%s", nbf_strings[command].name);
1360 	    if (nbf_strings[command].nonverbose != NULL)
1361 		data = smb_fdata(data, nbf_strings[command].nonverbose, data2, 0);
1362 	} else {
1363 	    printf("%s:\n", nbf_strings[command].name);
1364 	    if (nbf_strings[command].verbose != NULL)
1365 		data = smb_fdata(data, nbf_strings[command].verbose, data2, 0);
1366 	    else
1367 		printf("\n");
1368 	}
1369     }
1370 
1371     if (vflag < 2)
1372 	return;
1373 
1374     if (data == NULL)
1375 	goto out;
1376 
1377     if (is_truncated) {
1378 	/* data2 was past the end of the buffer */
1379 	goto out;
1380     }
1381 
1382     /* If this isn't a command that would contain an SMB message, quit. */
1383     if (command != 0x08 && command != 0x09 && command != 0x15 &&
1384         command != 0x16)
1385 	goto out;
1386 
1387     /* If there isn't enough data for "\377SMB", don't look for it. */
1388     if (&data2[3] >= maxbuf)
1389 	goto out;
1390 
1391     if (memcmp(data2, "\377SMB",4) == 0)
1392 	print_smb(data2, maxbuf);
1393     else {
1394 	int i;
1395 	for (i = 0; i < 128; i++) {
1396 	    if (&data2[i + 3] >= maxbuf)
1397 		break;
1398 	    if (memcmp(&data2[i], "\377SMB", 4) == 0) {
1399 		printf("found SMB packet at %d\n", i);
1400 		print_smb(&data2[i], maxbuf);
1401 		break;
1402 	    }
1403 	}
1404     }
1405 
1406 out:
1407     printf("\n");
1408     return;
1409 trunc:
1410     printf("[|SMB]");
1411     return;
1412 }
1413 
1414 
1415 /*
1416  * print IPX-Netbios frames
1417  */
1418 void
1419 ipx_netbios_print(const u_char *data, u_int length)
1420 {
1421     /*
1422      * this is a hack till I work out how to parse the rest of the
1423      * NetBIOS-over-IPX stuff
1424      */
1425     int i;
1426     const u_char *maxbuf;
1427 
1428     maxbuf = data + length;
1429     /* Don't go past the end of the captured data in the packet. */
1430     if (maxbuf > snapend)
1431 	maxbuf = snapend;
1432     startbuf = data;
1433     for (i = 0; i < 128; i++) {
1434 	if (&data[i + 4] > maxbuf)
1435 	    break;
1436 	if (memcmp(&data[i], "\377SMB", 4) == 0) {
1437 	    smb_fdata(data, "\n>>> IPX transport ", &data[i], 0);
1438 	    if (data != NULL)
1439 		print_smb(&data[i], maxbuf);
1440 	    printf("\n");
1441 	    fflush(stdout);
1442 	    break;
1443 	}
1444     }
1445     if (i == 128)
1446 	smb_fdata(data, "\n>>> Unknown IPX ", maxbuf, 0);
1447 }
1448