xref: /freebsd/contrib/tcpdump/print-smb.c (revision 1e413cf93298b5b97441a21d9a50fdcd0ee9945e) 
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 1.41.2.4 2007/07/14 22:29:05 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     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
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 
1249 /*
1250  * print a NBT packet received across udp on port 138
1251  */
1252 void
1253 nbt_udp138_print(const u_char *data, int length)
1254 {
1255     const u_char *maxbuf = data + length;
1256 
1257     if (maxbuf > snapend)
1258 	maxbuf = snapend;
1259     if (maxbuf <= data)
1260 	return;
1261     startbuf = data;
1262 
1263     if (vflag < 2) {
1264 	printf("NBT UDP PACKET(138)");
1265 	return;
1266     }
1267 
1268     data = smb_fdata(data,
1269 	"\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#",
1270 	maxbuf, 0);
1271 
1272     if (data != NULL) {
1273 	/* If there isn't enough data for "\377SMB", don't check for it. */
1274 	if (&data[3] >= maxbuf)
1275 	    goto out;
1276 
1277 	if (memcmp(data, "\377SMB",4) == 0)
1278 	    print_smb(data, maxbuf);
1279     }
1280 out:
1281     printf("\n");
1282     fflush(stdout);
1283 }
1284 
1285 
1286 /*
1287    print netbeui frames
1288 */
1289 struct nbf_strings {
1290 	const char	*name;
1291 	const char	*nonverbose;
1292 	const char	*verbose;
1293 } nbf_strings[0x20] = {
1294 	{ "Add Group Name Query", ", [P23]Name to add=[n2]#",
1295 	  "[P5]ResponseCorrelator=[w]\n[P16]Name to add=[n2]\n" },
1296 	{ "Add Name Query", ", [P23]Name to add=[n2]#",
1297 	  "[P5]ResponseCorrelator=[w]\n[P16]Name to add=[n2]\n" },
1298 	{ "Name In Conflict", NULL, NULL },
1299 	{ "Status Query", NULL, NULL },
1300 	{ NULL, NULL, NULL },	/* not used */
1301 	{ NULL, NULL, NULL },	/* not used */
1302 	{ NULL, NULL, NULL },	/* not used */
1303 	{ "Terminate Trace", NULL, NULL },
1304 	{ "Datagram", NULL,
1305 	  "[P7]Destination=[n2]\nSource=[n2]\n" },
1306 	{ "Broadcast Datagram", NULL,
1307 	  "[P7]Destination=[n2]\nSource=[n2]\n" },
1308 	{ "Name Query", ", [P7]Name=[n2]#",
1309 	  "[P1]SessionNumber=[B]\nNameType=[B][P2]\nResponseCorrelator=[w]\nName=[n2]\nName of sender=[n2]\n" },
1310 	{ NULL, NULL, NULL },	/* not used */
1311 	{ NULL, NULL, NULL },	/* not used */
1312 	{ "Add Name Response", ", [P1]GroupName=[w] [P4]Destination=[n2] Source=[n2]#",
1313 	  "AddNameInProcess=[B]\nGroupName=[w]\nTransmitCorrelator=[w][P2]\nDestination=[n2]\nSource=[n2]\n" },
1314 	{ "Name Recognized", NULL,
1315 	  "[P1]Data2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nDestination=[n2]\nSource=[n2]\n" },
1316 	{ "Status Response", NULL, NULL },
1317 	{ NULL, NULL, NULL },	/* not used */
1318 	{ NULL, NULL, NULL },	/* not used */
1319 	{ NULL, NULL, NULL },	/* not used */
1320 	{ "Terminate Trace", NULL, NULL },
1321 	{ "Data Ack", NULL,
1322 	  "[P3]TransmitCorrelator=[w][P2]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1323 	{ "Data First/Middle", NULL,
1324 	  "Flags=[{RECEIVE_CONTINUE|NO_ACK||PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1325 	{ "Data Only/Last", NULL,
1326 	  "Flags=[{|NO_ACK|PIGGYBACK_ACK_ALLOWED|PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1327 	{ "Session Confirm", NULL,
1328 	  "Data1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1329 	{ "Session End", NULL,
1330 	  "[P1]Data2=[w][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1331 	{ "Session Initialize", NULL,
1332 	  "Data1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1333 	{ "No Receive", NULL,
1334 	  "Flags=[{|SEND_NO_ACK}]\nDataBytesAccepted=[b][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1335 	{ "Receive Outstanding", NULL,
1336 	  "[P1]DataBytesAccepted=[b][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1337 	{ "Receive Continue", NULL,
1338 	  "[P2]TransmitCorrelator=[w]\n[P2]RemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
1339 	{ NULL, NULL, NULL },	/* not used */
1340 	{ NULL, NULL, NULL },	/* not used */
1341 	{ "Session Alive", NULL, NULL }
1342 };
1343 
1344 void
1345 netbeui_print(u_short control, const u_char *data, int length)
1346 {
1347     const u_char *maxbuf = data + length;
1348     int len;
1349     int command;
1350     const u_char *data2;
1351     int is_truncated = 0;
1352 
1353     if (maxbuf > snapend)
1354 	maxbuf = snapend;
1355     TCHECK(data[4]);
1356     len = EXTRACT_LE_16BITS(data);
1357     command = data[4];
1358     data2 = data + len;
1359     if (data2 >= maxbuf) {
1360 	data2 = maxbuf;
1361 	is_truncated = 1;
1362     }
1363 
1364     startbuf = data;
1365 
1366     if (vflag < 2) {
1367 	printf("NBF Packet: ");
1368 	data = smb_fdata(data, "[P5]#", maxbuf, 0);
1369     } else {
1370 	printf("\n>>> NBF Packet\nType=0x%X ", control);
1371 	data = smb_fdata(data, "Length=[d] Signature=[w] Command=[B]\n#", maxbuf, 0);
1372     }
1373     if (data == NULL)
1374 	goto out;
1375 
1376     if (command > 0x1f || nbf_strings[command].name == NULL) {
1377 	if (vflag < 2)
1378 	    data = smb_fdata(data, "Unknown NBF Command#", data2, 0);
1379 	else
1380 	    data = smb_fdata(data, "Unknown NBF Command\n", data2, 0);
1381     } else {
1382 	if (vflag < 2) {
1383 	    printf("%s", nbf_strings[command].name);
1384 	    if (nbf_strings[command].nonverbose != NULL)
1385 		data = smb_fdata(data, nbf_strings[command].nonverbose, data2, 0);
1386 	} else {
1387 	    printf("%s:\n", nbf_strings[command].name);
1388 	    if (nbf_strings[command].verbose != NULL)
1389 		data = smb_fdata(data, nbf_strings[command].verbose, data2, 0);
1390 	    else
1391 		printf("\n");
1392 	}
1393     }
1394 
1395     if (vflag < 2)
1396 	return;
1397 
1398     if (data == NULL)
1399 	goto out;
1400 
1401     if (is_truncated) {
1402 	/* data2 was past the end of the buffer */
1403 	goto out;
1404     }
1405 
1406     /* If this isn't a command that would contain an SMB message, quit. */
1407     if (command != 0x08 && command != 0x09 && command != 0x15 &&
1408         command != 0x16)
1409 	goto out;
1410 
1411     /* If there isn't enough data for "\377SMB", don't look for it. */
1412     if (&data2[3] >= maxbuf)
1413 	goto out;
1414 
1415     if (memcmp(data2, "\377SMB",4) == 0)
1416 	print_smb(data2, maxbuf);
1417     else {
1418 	int i;
1419 	for (i = 0; i < 128; i++) {
1420 	    if (&data2[i + 3] >= maxbuf)
1421 		break;
1422 	    if (memcmp(&data2[i], "\377SMB", 4) == 0) {
1423 		printf("found SMB packet at %d\n", i);
1424 		print_smb(&data2[i], maxbuf);
1425 		break;
1426 	    }
1427 	}
1428     }
1429 
1430 out:
1431     printf("\n");
1432     return;
1433 trunc:
1434     printf("[|SMB]");
1435     return;
1436 }
1437 
1438 
1439 /*
1440  * print IPX-Netbios frames
1441  */
1442 void
1443 ipx_netbios_print(const u_char *data, u_int length)
1444 {
1445     /*
1446      * this is a hack till I work out how to parse the rest of the
1447      * NetBIOS-over-IPX stuff
1448      */
1449     int i;
1450     const u_char *maxbuf;
1451 
1452     maxbuf = data + length;
1453     /* Don't go past the end of the captured data in the packet. */
1454     if (maxbuf > snapend)
1455 	maxbuf = snapend;
1456     startbuf = data;
1457     for (i = 0; i < 128; i++) {
1458 	if (&data[i + 4] > maxbuf)
1459 	    break;
1460 	if (memcmp(&data[i], "\377SMB", 4) == 0) {
1461 	    smb_fdata(data, "\n>>> IPX transport ", &data[i], 0);
1462 	    if (data != NULL)
1463 		print_smb(&data[i], maxbuf);
1464 	    printf("\n");
1465 	    fflush(stdout);
1466 	    break;
1467 	}
1468     }
1469     if (i == 128)
1470 	smb_fdata(data, "\n>>> Unknown IPX ", maxbuf, 0);
1471 }
1472