1 /* 2 * Copyright (C) Andrew Tridgell 1995-1999 3 * 4 * This software may be distributed either under the terms of the 5 * BSD-style license that accompanies tcpdump or the GNU GPL version 2 6 * or later 7 */ 8 9 #ifdef HAVE_CONFIG_H 10 #include "config.h" 11 #endif 12 13 #include <sys/cdefs.h> 14 #ifndef lint 15 #if 0 16 static const char rcsid[] _U_ = 17 "@(#) Header: /tcpdump/master/tcpdump/print-smb.c,v 1.47 2007-12-09 00:30:47 guy Exp"; 18 #else 19 __RCSID("$NetBSD: print-smb.c,v 1.2 2010/12/05 05:11:30 christos Exp $"); 20 #endif 21 #endif 22 23 #include <tcpdump-stdinc.h> 24 25 #include <stdio.h> 26 #include <string.h> 27 28 #include "interface.h" 29 #include "extract.h" 30 #include "smb.h" 31 32 static int request = 0; 33 static int unicodestr = 0; 34 35 const u_char *startbuf = NULL; 36 37 struct smbdescript { 38 const char *req_f1; 39 const char *req_f2; 40 const char *rep_f1; 41 const char *rep_f2; 42 void (*fn)(const u_char *, const u_char *, const u_char *, const u_char *); 43 }; 44 45 struct smbdescriptint { 46 const char *req_f1; 47 const char *req_f2; 48 const char *rep_f1; 49 const char *rep_f2; 50 void (*fn)(const u_char *, const u_char *, int, int); 51 }; 52 53 struct smbfns 54 { 55 int id; 56 const char *name; 57 int flags; 58 struct smbdescript descript; 59 }; 60 61 struct smbfnsint 62 { 63 int id; 64 const char *name; 65 int flags; 66 struct smbdescriptint descript; 67 }; 68 69 #define DEFDESCRIPT { NULL, NULL, NULL, NULL, NULL } 70 71 #define FLG_CHAIN (1 << 0) 72 73 static struct smbfns * 74 smbfind(int id, struct smbfns *list) 75 { 76 int sindex; 77 78 for (sindex = 0; list[sindex].name; sindex++) 79 if (list[sindex].id == id) 80 return(&list[sindex]); 81 82 return(&list[0]); 83 } 84 85 static struct smbfnsint * 86 smbfindint(int id, struct smbfnsint *list) 87 { 88 int sindex; 89 90 for (sindex = 0; list[sindex].name; sindex++) 91 if (list[sindex].id == id) 92 return(&list[sindex]); 93 94 return(&list[0]); 95 } 96 97 static void 98 trans2_findfirst(const u_char *param, const u_char *data, int pcnt, int dcnt) 99 { 100 const char *fmt; 101 102 if (request) 103 fmt = "Attribute=[A]\nSearchCount=[d]\nFlags=[w]\nLevel=[dP4]\nFile=[S]\n"; 104 else 105 fmt = "Handle=[w]\nCount=[d]\nEOS=[w]\nEoffset=[d]\nLastNameOfs=[w]\n"; 106 107 smb_fdata(param, fmt, param + pcnt, unicodestr); 108 if (dcnt) { 109 printf("data:\n"); 110 print_data(data, dcnt); 111 } 112 } 113 114 static void 115 trans2_qfsinfo(const u_char *param, const u_char *data, int pcnt, int dcnt) 116 { 117 static int level = 0; 118 const char *fmt=""; 119 120 if (request) { 121 TCHECK2(*param, 2); 122 level = EXTRACT_LE_16BITS(param); 123 fmt = "InfoLevel=[d]\n"; 124 smb_fdata(param, fmt, param + pcnt, unicodestr); 125 } else { 126 switch (level) { 127 case 1: 128 fmt = "idFileSystem=[W]\nSectorUnit=[D]\nUnit=[D]\nAvail=[D]\nSectorSize=[d]\n"; 129 break; 130 case 2: 131 fmt = "CreationTime=[T2]VolNameLength=[lb]\nVolumeLabel=[c]\n"; 132 break; 133 case 0x105: 134 fmt = "Capabilities=[W]\nMaxFileLen=[D]\nVolNameLen=[lD]\nVolume=[C]\n"; 135 break; 136 default: 137 fmt = "UnknownLevel\n"; 138 break; 139 } 140 smb_fdata(data, fmt, data + dcnt, unicodestr); 141 } 142 if (dcnt) { 143 printf("data:\n"); 144 print_data(data, dcnt); 145 } 146 return; 147 trunc: 148 printf("[|SMB]"); 149 return; 150 } 151 152 struct smbfnsint trans2_fns[] = { 153 { 0, "TRANSACT2_OPEN", 0, 154 { "Flags2=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]\nOFun=[w]\nSize=[D]\nRes=([w, w, w, w, w])\nPath=[S]", 155 NULL, 156 "Handle=[d]\nAttrib=[A]\nTime=[T2]\nSize=[D]\nAccess=[w]\nType=[w]\nState=[w]\nAction=[w]\nInode=[W]\nOffErr=[d]\n|EALength=[d]\n", 157 NULL, NULL }}, 158 { 1, "TRANSACT2_FINDFIRST", 0, 159 { NULL, NULL, NULL, NULL, trans2_findfirst }}, 160 { 2, "TRANSACT2_FINDNEXT", 0, DEFDESCRIPT }, 161 { 3, "TRANSACT2_QFSINFO", 0, 162 { NULL, NULL, NULL, NULL, trans2_qfsinfo }}, 163 { 4, "TRANSACT2_SETFSINFO", 0, DEFDESCRIPT }, 164 { 5, "TRANSACT2_QPATHINFO", 0, DEFDESCRIPT }, 165 { 6, "TRANSACT2_SETPATHINFO", 0, DEFDESCRIPT }, 166 { 7, "TRANSACT2_QFILEINFO", 0, DEFDESCRIPT }, 167 { 8, "TRANSACT2_SETFILEINFO", 0, DEFDESCRIPT }, 168 { 9, "TRANSACT2_FSCTL", 0, DEFDESCRIPT }, 169 { 10, "TRANSACT2_IOCTL", 0, DEFDESCRIPT }, 170 { 11, "TRANSACT2_FINDNOTIFYFIRST", 0, DEFDESCRIPT }, 171 { 12, "TRANSACT2_FINDNOTIFYNEXT", 0, DEFDESCRIPT }, 172 { 13, "TRANSACT2_MKDIR", 0, DEFDESCRIPT }, 173 { -1, NULL, 0, DEFDESCRIPT } 174 }; 175 176 177 static void 178 print_trans2(const u_char *words, const u_char *dat, const u_char *buf, const u_char *maxbuf) 179 { 180 u_int bcc; 181 static struct smbfnsint *fn = &trans2_fns[0]; 182 const u_char *data, *param; 183 const u_char *w = words + 1; 184 const char *f1 = NULL, *f2 = NULL; 185 int pcnt, dcnt; 186 187 TCHECK(words[0]); 188 if (request) { 189 TCHECK2(w[14 * 2], 2); 190 pcnt = EXTRACT_LE_16BITS(w + 9 * 2); 191 param = buf + EXTRACT_LE_16BITS(w + 10 * 2); 192 dcnt = EXTRACT_LE_16BITS(w + 11 * 2); 193 data = buf + EXTRACT_LE_16BITS(w + 12 * 2); 194 fn = smbfindint(EXTRACT_LE_16BITS(w + 14 * 2), trans2_fns); 195 } else { 196 if (words[0] == 0) { 197 printf("%s\n", fn->name); 198 printf("Trans2Interim\n"); 199 return; 200 } 201 TCHECK2(w[7 * 2], 2); 202 pcnt = EXTRACT_LE_16BITS(w + 3 * 2); 203 param = buf + EXTRACT_LE_16BITS(w + 4 * 2); 204 dcnt = EXTRACT_LE_16BITS(w + 6 * 2); 205 data = buf + EXTRACT_LE_16BITS(w + 7 * 2); 206 } 207 208 printf("%s param_length=%d data_length=%d\n", fn->name, pcnt, dcnt); 209 210 if (request) { 211 if (words[0] == 8) { 212 smb_fdata(words + 1, 213 "Trans2Secondary\nTotParam=[d]\nTotData=[d]\nParamCnt=[d]\nParamOff=[d]\nParamDisp=[d]\nDataCnt=[d]\nDataOff=[d]\nDataDisp=[d]\nHandle=[d]\n", 214 maxbuf, unicodestr); 215 return; 216 } else { 217 smb_fdata(words + 1, 218 "TotParam=[d]\nTotData=[d]\nMaxParam=[d]\nMaxData=[d]\nMaxSetup=[b][P1]\nFlags=[w]\nTimeOut=[D]\nRes1=[w]\nParamCnt=[d]\nParamOff=[d]\nDataCnt=[d]\nDataOff=[d]\nSetupCnt=[b][P1]\n", 219 words + 1 + 14 * 2, unicodestr); 220 } 221 f1 = fn->descript.req_f1; 222 f2 = fn->descript.req_f2; 223 } else { 224 smb_fdata(words + 1, 225 "TotParam=[d]\nTotData=[d]\nRes1=[w]\nParamCnt=[d]\nParamOff=[d]\nParamDisp[d]\nDataCnt=[d]\nDataOff=[d]\nDataDisp=[d]\nSetupCnt=[b][P1]\n", 226 words + 1 + 10 * 2, unicodestr); 227 f1 = fn->descript.rep_f1; 228 f2 = fn->descript.rep_f2; 229 } 230 231 TCHECK2(*dat, 2); 232 bcc = EXTRACT_LE_16BITS(dat); 233 printf("smb_bcc=%u\n", bcc); 234 if (fn->descript.fn) 235 (*fn->descript.fn)(param, data, pcnt, dcnt); 236 else { 237 smb_fdata(param, f1 ? f1 : "Parameters=\n", param + pcnt, unicodestr); 238 smb_fdata(data, f2 ? f2 : "Data=\n", data + dcnt, unicodestr); 239 } 240 return; 241 trunc: 242 printf("[|SMB]"); 243 return; 244 } 245 246 247 static void 248 print_browse(const u_char *param, int paramlen, const u_char *data, int datalen) 249 { 250 const u_char *maxbuf = data + datalen; 251 int command; 252 253 TCHECK(data[0]); 254 command = data[0]; 255 256 smb_fdata(param, "BROWSE PACKET\n|Param ", param+paramlen, unicodestr); 257 258 switch (command) { 259 case 0xF: 260 data = smb_fdata(data, 261 "BROWSE PACKET:\nType=[B] (LocalMasterAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n", 262 maxbuf, unicodestr); 263 break; 264 265 case 0x1: 266 data = smb_fdata(data, 267 "BROWSE PACKET:\nType=[B] (HostAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n", 268 maxbuf, unicodestr); 269 break; 270 271 case 0x2: 272 data = smb_fdata(data, 273 "BROWSE PACKET:\nType=[B] (AnnouncementRequest)\nFlags=[B]\nReplySystemName=[S]\n", 274 maxbuf, unicodestr); 275 break; 276 277 case 0xc: 278 data = smb_fdata(data, 279 "BROWSE PACKET:\nType=[B] (WorkgroupAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nCommentPointer=[W]\nServerName=[S]\n", 280 maxbuf, unicodestr); 281 break; 282 283 case 0x8: 284 data = smb_fdata(data, 285 "BROWSE PACKET:\nType=[B] (ElectionFrame)\nElectionVersion=[B]\nOSSummary=[W]\nUptime=[(W, W)]\nServerName=[S]\n", 286 maxbuf, unicodestr); 287 break; 288 289 case 0xb: 290 data = smb_fdata(data, 291 "BROWSE PACKET:\nType=[B] (BecomeBackupBrowser)\nName=[S]\n", 292 maxbuf, unicodestr); 293 break; 294 295 case 0x9: 296 data = smb_fdata(data, 297 "BROWSE PACKET:\nType=[B] (GetBackupList)\nListCount?=[B]\nToken=[W]\n", 298 maxbuf, unicodestr); 299 break; 300 301 case 0xa: 302 data = smb_fdata(data, 303 "BROWSE PACKET:\nType=[B] (BackupListResponse)\nServerCount?=[B]\nToken=[W]\n*Name=[S]\n", 304 maxbuf, unicodestr); 305 break; 306 307 case 0xd: 308 data = smb_fdata(data, 309 "BROWSE PACKET:\nType=[B] (MasterAnnouncement)\nMasterName=[S]\n", 310 maxbuf, unicodestr); 311 break; 312 313 case 0xe: 314 data = smb_fdata(data, 315 "BROWSE PACKET:\nType=[B] (ResetBrowser)\nOptions=[B]\n", maxbuf, unicodestr); 316 break; 317 318 default: 319 data = smb_fdata(data, "Unknown Browser Frame ", maxbuf, unicodestr); 320 break; 321 } 322 return; 323 trunc: 324 printf("[|SMB]"); 325 return; 326 } 327 328 329 static void 330 print_ipc(const u_char *param, int paramlen, const u_char *data, int datalen) 331 { 332 if (paramlen) 333 smb_fdata(param, "Command=[w]\nStr1=[S]\nStr2=[S]\n", param + paramlen, 334 unicodestr); 335 if (datalen) 336 smb_fdata(data, "IPC ", data + datalen, unicodestr); 337 } 338 339 340 static void 341 print_trans(const u_char *words, const u_char *data1, const u_char *buf, const u_char *maxbuf) 342 { 343 u_int bcc; 344 const char *f1, *f2, *f3, *f4; 345 const u_char *data, *param; 346 const u_char *w = words + 1; 347 int datalen, paramlen; 348 349 if (request) { 350 TCHECK2(w[12 * 2], 2); 351 paramlen = EXTRACT_LE_16BITS(w + 9 * 2); 352 param = buf + EXTRACT_LE_16BITS(w + 10 * 2); 353 datalen = EXTRACT_LE_16BITS(w + 11 * 2); 354 data = buf + EXTRACT_LE_16BITS(w + 12 * 2); 355 f1 = "TotParamCnt=[d] \nTotDataCnt=[d] \nMaxParmCnt=[d] \nMaxDataCnt=[d]\nMaxSCnt=[d] \nTransFlags=[w] \nRes1=[w] \nRes2=[w] \nRes3=[w]\nParamCnt=[d] \nParamOff=[d] \nDataCnt=[d] \nDataOff=[d] \nSUCnt=[d]\n"; 356 f2 = "|Name=[S]\n"; 357 f3 = "|Param "; 358 f4 = "|Data "; 359 } else { 360 TCHECK2(w[7 * 2], 2); 361 paramlen = EXTRACT_LE_16BITS(w + 3 * 2); 362 param = buf + EXTRACT_LE_16BITS(w + 4 * 2); 363 datalen = EXTRACT_LE_16BITS(w + 6 * 2); 364 data = buf + EXTRACT_LE_16BITS(w + 7 * 2); 365 f1 = "TotParamCnt=[d] \nTotDataCnt=[d] \nRes1=[d]\nParamCnt=[d] \nParamOff=[d] \nRes2=[d] \nDataCnt=[d] \nDataOff=[d] \nRes3=[d]\nLsetup=[d]\n"; 366 f2 = "|Unknown "; 367 f3 = "|Param "; 368 f4 = "|Data "; 369 } 370 371 smb_fdata(words + 1, f1, SMBMIN(words + 1 + 2 * words[0], maxbuf), 372 unicodestr); 373 374 TCHECK2(*data1, 2); 375 bcc = EXTRACT_LE_16BITS(data1); 376 printf("smb_bcc=%u\n", bcc); 377 if (bcc > 0) { 378 smb_fdata(data1 + 2, f2, maxbuf - (paramlen + datalen), unicodestr); 379 380 if (strcmp((const char *)(data1 + 2), "\\MAILSLOT\\BROWSE") == 0) { 381 print_browse(param, paramlen, data, datalen); 382 return; 383 } 384 385 if (strcmp((const char *)(data1 + 2), "\\PIPE\\LANMAN") == 0) { 386 print_ipc(param, paramlen, data, datalen); 387 return; 388 } 389 390 if (paramlen) 391 smb_fdata(param, f3, SMBMIN(param + paramlen, maxbuf), unicodestr); 392 if (datalen) 393 smb_fdata(data, f4, SMBMIN(data + datalen, maxbuf), unicodestr); 394 } 395 return; 396 trunc: 397 printf("[|SMB]"); 398 return; 399 } 400 401 402 static void 403 print_negprot(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf) 404 { 405 u_int wct, bcc; 406 const char *f1 = NULL, *f2 = NULL; 407 408 TCHECK(words[0]); 409 wct = words[0]; 410 if (request) 411 f2 = "*|Dialect=[Y]\n"; 412 else { 413 if (wct == 1) 414 f1 = "Core Protocol\nDialectIndex=[d]"; 415 else if (wct == 17) 416 f1 = "NT1 Protocol\nDialectIndex=[d]\nSecMode=[B]\nMaxMux=[d]\nNumVcs=[d]\nMaxBuffer=[D]\nRawSize=[D]\nSessionKey=[W]\nCapabilities=[W]\nServerTime=[T3]TimeZone=[d]\nCryptKey="; 417 else if (wct == 13) 418 f1 = "Coreplus/Lanman1/Lanman2 Protocol\nDialectIndex=[d]\nSecMode=[w]\nMaxXMit=[d]\nMaxMux=[d]\nMaxVcs=[d]\nBlkMode=[w]\nSessionKey=[W]\nServerTime=[T1]TimeZone=[d]\nRes=[W]\nCryptKey="; 419 } 420 421 if (f1) 422 smb_fdata(words + 1, f1, SMBMIN(words + 1 + wct * 2, maxbuf), 423 unicodestr); 424 else 425 print_data(words + 1, SMBMIN(wct * 2, PTR_DIFF(maxbuf, words + 1))); 426 427 TCHECK2(*data, 2); 428 bcc = EXTRACT_LE_16BITS(data); 429 printf("smb_bcc=%u\n", bcc); 430 if (bcc > 0) { 431 if (f2) 432 smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data), 433 maxbuf), unicodestr); 434 else 435 print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2))); 436 } 437 return; 438 trunc: 439 printf("[|SMB]"); 440 return; 441 } 442 443 static void 444 print_sesssetup(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf) 445 { 446 u_int wct, bcc; 447 const char *f1 = NULL, *f2 = NULL; 448 449 TCHECK(words[0]); 450 wct = words[0]; 451 if (request) { 452 if (wct == 10) 453 f1 = "Com2=[w]\nOff2=[d]\nBufSize=[d]\nMpxMax=[d]\nVcNum=[d]\nSessionKey=[W]\nPassLen=[d]\nCryptLen=[d]\nCryptOff=[d]\nPass&Name=\n"; 454 else 455 f1 = "Com2=[B]\nRes1=[B]\nOff2=[d]\nMaxBuffer=[d]\nMaxMpx=[d]\nVcNumber=[d]\nSessionKey=[W]\nCaseInsensitivePasswordLength=[d]\nCaseSensitivePasswordLength=[d]\nRes=[W]\nCapabilities=[W]\nPass1&Pass2&Account&Domain&OS&LanMan=\n"; 456 } else { 457 if (wct == 3) { 458 f1 = "Com2=[w]\nOff2=[d]\nAction=[w]\n"; 459 } else if (wct == 13) { 460 f1 = "Com2=[B]\nRes=[B]\nOff2=[d]\nAction=[w]\n"; 461 f2 = "NativeOS=[S]\nNativeLanMan=[S]\nPrimaryDomain=[S]\n"; 462 } 463 } 464 465 if (f1) 466 smb_fdata(words + 1, f1, SMBMIN(words + 1 + wct * 2, maxbuf), 467 unicodestr); 468 else 469 print_data(words + 1, SMBMIN(wct * 2, PTR_DIFF(maxbuf, words + 1))); 470 471 TCHECK2(*data, 2); 472 bcc = EXTRACT_LE_16BITS(data); 473 printf("smb_bcc=%u\n", bcc); 474 if (bcc > 0) { 475 if (f2) 476 smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data), 477 maxbuf), unicodestr); 478 else 479 print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2))); 480 } 481 return; 482 trunc: 483 printf("[|SMB]"); 484 return; 485 } 486 487 static void 488 print_lockingandx(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf) 489 { 490 u_int wct, bcc; 491 const u_char *maxwords; 492 const char *f1 = NULL, *f2 = NULL; 493 494 TCHECK(words[0]); 495 wct = words[0]; 496 if (request) { 497 f1 = "Com2=[w]\nOff2=[d]\nHandle=[d]\nLockType=[w]\nTimeOut=[D]\nUnlockCount=[d]\nLockCount=[d]\n"; 498 TCHECK(words[7]); 499 if (words[7] & 0x10) 500 f2 = "*Process=[d]\n[P2]Offset=[M]\nLength=[M]\n"; 501 else 502 f2 = "*Process=[d]\nOffset=[D]\nLength=[D]\n"; 503 } else { 504 f1 = "Com2=[w]\nOff2=[d]\n"; 505 } 506 507 maxwords = SMBMIN(words + 1 + wct * 2, maxbuf); 508 if (wct) 509 smb_fdata(words + 1, f1, maxwords, unicodestr); 510 511 TCHECK2(*data, 2); 512 bcc = EXTRACT_LE_16BITS(data); 513 printf("smb_bcc=%u\n", bcc); 514 if (bcc > 0) { 515 if (f2) 516 smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data), 517 maxbuf), unicodestr); 518 else 519 print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2))); 520 } 521 return; 522 trunc: 523 printf("[|SMB]"); 524 return; 525 } 526 527 528 static struct smbfns smb_fns[] = { 529 { -1, "SMBunknown", 0, DEFDESCRIPT }, 530 531 { SMBtcon, "SMBtcon", 0, 532 { NULL, "Path=[Z]\nPassword=[Z]\nDevice=[Z]\n", 533 "MaxXmit=[d]\nTreeId=[d]\n", NULL, 534 NULL } }, 535 536 { SMBtdis, "SMBtdis", 0, DEFDESCRIPT }, 537 { SMBexit, "SMBexit", 0, DEFDESCRIPT }, 538 { SMBioctl, "SMBioctl", 0, DEFDESCRIPT }, 539 540 { SMBecho, "SMBecho", 0, 541 { "ReverbCount=[d]\n", NULL, 542 "SequenceNum=[d]\n", NULL, 543 NULL } }, 544 545 { SMBulogoffX, "SMBulogoffX", FLG_CHAIN, DEFDESCRIPT }, 546 547 { SMBgetatr, "SMBgetatr", 0, 548 { NULL, "Path=[Z]\n", 549 "Attribute=[A]\nTime=[T2]Size=[D]\nRes=([w,w,w,w,w])\n", NULL, 550 NULL } }, 551 552 { SMBsetatr, "SMBsetatr", 0, 553 { "Attribute=[A]\nTime=[T2]Res=([w,w,w,w,w])\n", "Path=[Z]\n", 554 NULL, NULL, NULL } }, 555 556 { SMBchkpth, "SMBchkpth", 0, 557 { NULL, "Path=[Z]\n", NULL, NULL, NULL } }, 558 559 { SMBsearch, "SMBsearch", 0, 560 { "Count=[d]\nAttrib=[A]\n", 561 "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\n", 562 "Count=[d]\n", 563 "BlkType=[B]\nBlkLen=[d]\n*\nRes1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\nAttrib=[a]\nTime=[T1]Size=[D]\nName=[s13]\n", 564 NULL } }, 565 566 { SMBopen, "SMBopen", 0, 567 { "Mode=[w]\nAttribute=[A]\n", "Path=[Z]\n", 568 "Handle=[d]\nOAttrib=[A]\nTime=[T2]Size=[D]\nAccess=[w]\n", 569 NULL, NULL } }, 570 571 { SMBcreate, "SMBcreate", 0, 572 { "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } }, 573 574 { SMBmknew, "SMBmknew", 0, 575 { "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } }, 576 577 { SMBunlink, "SMBunlink", 0, 578 { "Attrib=[A]\n", "Path=[Z]\n", NULL, NULL, NULL } }, 579 580 { SMBread, "SMBread", 0, 581 { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL, 582 "Count=[d]\nRes=([w,w,w,w])\n", NULL, NULL } }, 583 584 { SMBwrite, "SMBwrite", 0, 585 { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL, 586 "Count=[d]\n", NULL, NULL } }, 587 588 { SMBclose, "SMBclose", 0, 589 { "Handle=[d]\nTime=[T2]", NULL, NULL, NULL, NULL } }, 590 591 { SMBmkdir, "SMBmkdir", 0, 592 { NULL, "Path=[Z]\n", NULL, NULL, NULL } }, 593 594 { SMBrmdir, "SMBrmdir", 0, 595 { NULL, "Path=[Z]\n", NULL, NULL, NULL } }, 596 597 { SMBdskattr, "SMBdskattr", 0, 598 { NULL, NULL, 599 "TotalUnits=[d]\nBlocksPerUnit=[d]\nBlockSize=[d]\nFreeUnits=[d]\nMedia=[w]\n", 600 NULL, NULL } }, 601 602 { SMBmv, "SMBmv", 0, 603 { "Attrib=[A]\n", "OldPath=[Z]\nNewPath=[Z]\n", NULL, NULL, NULL } }, 604 605 /* 606 * this is a Pathworks specific call, allowing the 607 * changing of the root path 608 */ 609 { pSETDIR, "SMBsetdir", 0, { NULL, "Path=[Z]\n", NULL, NULL, NULL } }, 610 611 { SMBlseek, "SMBlseek", 0, 612 { "Handle=[d]\nMode=[w]\nOffset=[D]\n", "Offset=[D]\n", NULL, NULL, NULL } }, 613 614 { SMBflush, "SMBflush", 0, { "Handle=[d]\n", NULL, NULL, NULL, NULL } }, 615 616 { SMBsplopen, "SMBsplopen", 0, 617 { "SetupLen=[d]\nMode=[w]\n", "Ident=[Z]\n", "Handle=[d]\n", 618 NULL, NULL } }, 619 620 { SMBsplclose, "SMBsplclose", 0, 621 { "Handle=[d]\n", NULL, NULL, NULL, NULL } }, 622 623 { SMBsplretq, "SMBsplretq", 0, 624 { "MaxCount=[d]\nStartIndex=[d]\n", NULL, 625 "Count=[d]\nIndex=[d]\n", 626 "*Time=[T2]Status=[B]\nJobID=[d]\nSize=[D]\nRes=[B]Name=[s16]\n", 627 NULL } }, 628 629 { SMBsplwr, "SMBsplwr", 0, 630 { "Handle=[d]\n", NULL, NULL, NULL, NULL } }, 631 632 { SMBlock, "SMBlock", 0, 633 { "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } }, 634 635 { SMBunlock, "SMBunlock", 0, 636 { "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } }, 637 638 /* CORE+ PROTOCOL FOLLOWS */ 639 640 { SMBreadbraw, "SMBreadbraw", 0, 641 { "Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[d]\n", 642 NULL, NULL, NULL, NULL } }, 643 644 { SMBwritebraw, "SMBwritebraw", 0, 645 { "Handle=[d]\nTotalCount=[d]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\n|DataSize=[d]\nDataOff=[d]\n", 646 NULL, "WriteRawAck", NULL, NULL } }, 647 648 { SMBwritec, "SMBwritec", 0, 649 { NULL, NULL, "Count=[d]\n", NULL, NULL } }, 650 651 { SMBwriteclose, "SMBwriteclose", 0, 652 { "Handle=[d]\nCount=[d]\nOffset=[D]\nTime=[T2]Res=([w,w,w,w,w,w])", 653 NULL, "Count=[d]\n", NULL, NULL } }, 654 655 { SMBlockread, "SMBlockread", 0, 656 { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL, 657 "Count=[d]\nRes=([w,w,w,w])\n", NULL, NULL } }, 658 659 { SMBwriteunlock, "SMBwriteunlock", 0, 660 { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL, 661 "Count=[d]\n", NULL, NULL } }, 662 663 { SMBreadBmpx, "SMBreadBmpx", 0, 664 { "Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[w]\n", 665 NULL, 666 "Offset=[D]\nTotCount=[d]\nRemaining=[d]\nRes=([w,w])\nDataSize=[d]\nDataOff=[d]\n", 667 NULL, NULL } }, 668 669 { SMBwriteBmpx, "SMBwriteBmpx", 0, 670 { "Handle=[d]\nTotCount=[d]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\nDataSize=[d]\nDataOff=[d]\n", NULL, 671 "Remaining=[d]\n", NULL, NULL } }, 672 673 { SMBwriteBs, "SMBwriteBs", 0, 674 { "Handle=[d]\nTotCount=[d]\nOffset=[D]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\n", 675 NULL, "Count=[d]\n", NULL, NULL } }, 676 677 { SMBsetattrE, "SMBsetattrE", 0, 678 { "Handle=[d]\nCreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]", NULL, 679 NULL, NULL, NULL } }, 680 681 { SMBgetattrE, "SMBgetattrE", 0, 682 { "Handle=[d]\n", NULL, 683 "CreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]Size=[D]\nAllocSize=[D]\nAttribute=[A]\n", 684 NULL, NULL } }, 685 686 { SMBtranss, "SMBtranss", 0, DEFDESCRIPT }, 687 { SMBioctls, "SMBioctls", 0, DEFDESCRIPT }, 688 689 { SMBcopy, "SMBcopy", 0, 690 { "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n", 691 "CopyCount=[d]\n", "|ErrStr=[S]\n", NULL } }, 692 693 { SMBmove, "SMBmove", 0, 694 { "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n", 695 "MoveCount=[d]\n", "|ErrStr=[S]\n", NULL } }, 696 697 { SMBopenX, "SMBopenX", FLG_CHAIN, 698 { "Com2=[w]\nOff2=[d]\nFlags=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]OFun=[w]\nSize=[D]\nTimeOut=[D]\nRes=[W]\n", 699 "Path=[S]\n", 700 "Com2=[w]\nOff2=[d]\nHandle=[d]\nAttrib=[A]\nTime=[T2]Size=[D]\nAccess=[w]\nType=[w]\nState=[w]\nAction=[w]\nFileID=[W]\nRes=[w]\n", 701 NULL, NULL } }, 702 703 { SMBreadX, "SMBreadX", FLG_CHAIN, 704 { "Com2=[w]\nOff2=[d]\nHandle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nCountLeft=[d]\n", 705 NULL, 706 "Com2=[w]\nOff2=[d]\nRemaining=[d]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\nRes=([w,w,w,w])\n", 707 NULL, NULL } }, 708 709 { SMBwriteX, "SMBwriteX", FLG_CHAIN, 710 { "Com2=[w]\nOff2=[d]\nHandle=[d]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nCountLeft=[d]\nRes=[w]\nDataSize=[d]\nDataOff=[d]\n", 711 NULL, 712 "Com2=[w]\nOff2=[d]\nCount=[d]\nRemaining=[d]\nRes=[W]\n", 713 NULL, NULL } }, 714 715 { SMBffirst, "SMBffirst", 0, 716 { "Count=[d]\nAttrib=[A]\n", 717 "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n", 718 "Count=[d]\n", 719 "BlkType=[B]\nBlkLen=[d]\n*\nRes1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\nAttrib=[a]\nTime=[T1]Size=[D]\nName=[s13]\n", 720 NULL } }, 721 722 { SMBfunique, "SMBfunique", 0, 723 { "Count=[d]\nAttrib=[A]\n", 724 "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n", 725 "Count=[d]\n", 726 "BlkType=[B]\nBlkLen=[d]\n*\nRes1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\nAttrib=[a]\nTime=[T1]Size=[D]\nName=[s13]\n", 727 NULL } }, 728 729 { SMBfclose, "SMBfclose", 0, 730 { "Count=[d]\nAttrib=[A]\n", 731 "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n", 732 "Count=[d]\n", 733 "BlkType=[B]\nBlkLen=[d]\n*\nRes1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\nAttrib=[a]\nTime=[T1]Size=[D]\nName=[s13]\n", 734 NULL } }, 735 736 { SMBfindnclose, "SMBfindnclose", 0, 737 { "Handle=[d]\n", NULL, NULL, NULL, NULL } }, 738 739 { SMBfindclose, "SMBfindclose", 0, 740 { "Handle=[d]\n", NULL, NULL, NULL, NULL } }, 741 742 { SMBsends, "SMBsends", 0, 743 { NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } }, 744 745 { SMBsendstrt, "SMBsendstrt", 0, 746 { NULL, "Source=[Z]\nDest=[Z]\n", "GroupID=[d]\n", NULL, NULL } }, 747 748 { SMBsendend, "SMBsendend", 0, 749 { "GroupID=[d]\n", NULL, NULL, NULL, NULL } }, 750 751 { SMBsendtxt, "SMBsendtxt", 0, 752 { "GroupID=[d]\n", NULL, NULL, NULL, NULL } }, 753 754 { SMBsendb, "SMBsendb", 0, 755 { NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } }, 756 757 { SMBfwdname, "SMBfwdname", 0, DEFDESCRIPT }, 758 { SMBcancelf, "SMBcancelf", 0, DEFDESCRIPT }, 759 { SMBgetmac, "SMBgetmac", 0, DEFDESCRIPT }, 760 761 { SMBnegprot, "SMBnegprot", 0, 762 { NULL, NULL, NULL, NULL, print_negprot } }, 763 764 { SMBsesssetupX, "SMBsesssetupX", FLG_CHAIN, 765 { NULL, NULL, NULL, NULL, print_sesssetup } }, 766 767 { SMBtconX, "SMBtconX", FLG_CHAIN, 768 { "Com2=[w]\nOff2=[d]\nFlags=[w]\nPassLen=[d]\nPasswd&Path&Device=\n", 769 NULL, "Com2=[w]\nOff2=[d]\n", "ServiceType=[R]\n", NULL } }, 770 771 { SMBlockingX, "SMBlockingX", FLG_CHAIN, 772 { NULL, NULL, NULL, NULL, print_lockingandx } }, 773 774 { SMBtrans2, "SMBtrans2", 0, { NULL, NULL, NULL, NULL, print_trans2 } }, 775 776 { SMBtranss2, "SMBtranss2", 0, DEFDESCRIPT }, 777 { SMBctemp, "SMBctemp", 0, DEFDESCRIPT }, 778 { SMBreadBs, "SMBreadBs", 0, DEFDESCRIPT }, 779 { SMBtrans, "SMBtrans", 0, { NULL, NULL, NULL, NULL, print_trans } }, 780 781 { SMBnttrans, "SMBnttrans", 0, DEFDESCRIPT }, 782 { SMBnttranss, "SMBnttranss", 0, DEFDESCRIPT }, 783 784 { SMBntcreateX, "SMBntcreateX", FLG_CHAIN, 785 { "Com2=[w]\nOff2=[d]\nRes=[b]\nNameLen=[ld]\nFlags=[W]\nRootDirectoryFid=[D]\nAccessMask=[W]\nAllocationSize=[L]\nExtFileAttributes=[W]\nShareAccess=[W]\nCreateDisposition=[W]\nCreateOptions=[W]\nImpersonationLevel=[W]\nSecurityFlags=[b]\n", 786 "Path=[C]\n", 787 "Com2=[w]\nOff2=[d]\nOplockLevel=[b]\nFid=[d]\nCreateAction=[W]\nCreateTime=[T3]LastAccessTime=[T3]LastWriteTime=[T3]ChangeTime=[T3]ExtFileAttributes=[W]\nAllocationSize=[L]\nEndOfFile=[L]\nFileType=[w]\nDeviceState=[w]\nDirectory=[b]\n", 788 NULL, NULL } }, 789 790 { SMBntcancel, "SMBntcancel", 0, DEFDESCRIPT }, 791 792 { -1, NULL, 0, DEFDESCRIPT } 793 }; 794 795 796 /* 797 * print a SMB message 798 */ 799 static void 800 print_smb(const u_char *buf, const u_char *maxbuf) 801 { 802 u_int16_t flags2; 803 int nterrcodes; 804 int command; 805 u_int32_t nterror; 806 const u_char *words, *maxwords, *data; 807 struct smbfns *fn; 808 const char *fmt_smbheader = 809 "[P4]SMB Command = [B]\nError class = [BP1]\nError code = [d]\nFlags1 = [B]\nFlags2 = [B][P13]\nTree ID = [d]\nProc ID = [d]\nUID = [d]\nMID = [d]\nWord Count = [b]\n"; 810 int smboffset; 811 812 TCHECK(buf[9]); 813 request = (buf[9] & 0x80) ? 0 : 1; 814 flags2 = EXTRACT_LE_16BITS(&buf[10]); 815 unicodestr = flags2 & 0x8000; 816 nterrcodes = flags2 & 0x4000; 817 startbuf = buf; 818 819 command = buf[4]; 820 821 fn = smbfind(command, smb_fns); 822 823 if (vflag > 1) 824 printf("\n"); 825 826 printf("SMB PACKET: %s (%s)\n", fn->name, request ? "REQUEST" : "REPLY"); 827 828 if (vflag < 2) 829 return; 830 831 /* print out the header */ 832 smb_fdata(buf, fmt_smbheader, buf + 33, unicodestr); 833 834 if (nterrcodes) { 835 nterror = EXTRACT_LE_32BITS(&buf[5]); 836 if (nterror) 837 printf("NTError = %s\n", nt_errstr(nterror)); 838 } else { 839 if (buf[5]) 840 printf("SMBError = %s\n", smb_errstr(buf[5], EXTRACT_LE_16BITS(&buf[7]))); 841 } 842 843 smboffset = 32; 844 845 for (;;) { 846 const char *f1, *f2; 847 int wct; 848 u_int bcc; 849 int newsmboffset; 850 851 words = buf + smboffset; 852 TCHECK(words[0]); 853 wct = words[0]; 854 data = words + 1 + wct * 2; 855 maxwords = SMBMIN(data, maxbuf); 856 857 if (request) { 858 f1 = fn->descript.req_f1; 859 f2 = fn->descript.req_f2; 860 } else { 861 f1 = fn->descript.rep_f1; 862 f2 = fn->descript.rep_f2; 863 } 864 865 if (fn->descript.fn) 866 (*fn->descript.fn)(words, data, buf, maxbuf); 867 else { 868 if (wct) { 869 if (f1) 870 smb_fdata(words + 1, f1, words + 1 + wct * 2, unicodestr); 871 else { 872 int i; 873 int v; 874 875 for (i = 0; &words[1 + 2 * i] < maxwords; i++) { 876 TCHECK2(words[1 + 2 * i], 2); 877 v = EXTRACT_LE_16BITS(words + 1 + 2 * i); 878 printf("smb_vwv[%d]=%d (0x%X)\n", i, v, v); 879 } 880 } 881 } 882 883 TCHECK2(*data, 2); 884 bcc = EXTRACT_LE_16BITS(data); 885 printf("smb_bcc=%u\n", bcc); 886 if (f2) { 887 if (bcc > 0) 888 smb_fdata(data + 2, f2, data + 2 + bcc, unicodestr); 889 } else { 890 if (bcc > 0) { 891 printf("smb_buf[]=\n"); 892 print_data(data + 2, SMBMIN(bcc, PTR_DIFF(maxbuf, data + 2))); 893 } 894 } 895 } 896 897 if ((fn->flags & FLG_CHAIN) == 0) 898 break; 899 if (wct == 0) 900 break; 901 TCHECK(words[1]); 902 command = words[1]; 903 if (command == 0xFF) 904 break; 905 TCHECK2(words[3], 2); 906 newsmboffset = EXTRACT_LE_16BITS(words + 3); 907 908 fn = smbfind(command, smb_fns); 909 910 printf("\nSMB PACKET: %s (%s) (CHAINED)\n", 911 fn->name, request ? "REQUEST" : "REPLY"); 912 if (newsmboffset <= smboffset) { 913 printf("Bad andX offset: %u <= %u\n", newsmboffset, smboffset); 914 break; 915 } 916 smboffset = newsmboffset; 917 } 918 919 printf("\n"); 920 return; 921 trunc: 922 printf("[|SMB]"); 923 return; 924 } 925 926 927 /* 928 * print a NBT packet received across tcp on port 139 929 */ 930 void 931 nbt_tcp_print(const u_char *data, int length) 932 { 933 int caplen; 934 int type; 935 u_int nbt_len; 936 const u_char *maxbuf; 937 938 if (length < 4) 939 goto trunc; 940 if (snapend < data) 941 goto trunc; 942 caplen = snapend - data; 943 if (caplen < 4) 944 goto trunc; 945 maxbuf = data + caplen; 946 type = data[0]; 947 nbt_len = EXTRACT_16BITS(data + 2); 948 length -= 4; 949 caplen -= 4; 950 951 startbuf = data; 952 953 if (vflag < 2) { 954 printf(" NBT Session Packet: "); 955 switch (type) { 956 case 0x00: 957 printf("Session Message"); 958 break; 959 960 case 0x81: 961 printf("Session Request"); 962 break; 963 964 case 0x82: 965 printf("Session Granted"); 966 break; 967 968 case 0x83: 969 { 970 int ecode; 971 972 if (nbt_len < 4) 973 goto trunc; 974 if (length < 4) 975 goto trunc; 976 if (caplen < 4) 977 goto trunc; 978 ecode = data[4]; 979 980 printf("Session Reject, "); 981 switch (ecode) { 982 case 0x80: 983 printf("Not listening on called name"); 984 break; 985 case 0x81: 986 printf("Not listening for calling name"); 987 break; 988 case 0x82: 989 printf("Called name not present"); 990 break; 991 case 0x83: 992 printf("Called name present, but insufficient resources"); 993 break; 994 default: 995 printf("Unspecified error 0x%X", ecode); 996 break; 997 } 998 } 999 break; 1000 1001 case 0x85: 1002 printf("Session Keepalive"); 1003 break; 1004 1005 default: 1006 data = smb_fdata(data, "Unknown packet type [rB]", maxbuf, 0); 1007 break; 1008 } 1009 } else { 1010 printf ("\n>>> NBT Session Packet\n"); 1011 switch (type) { 1012 case 0x00: 1013 data = smb_fdata(data, "[P1]NBT Session Message\nFlags=[B]\nLength=[rd]\n", 1014 data + 4, 0); 1015 if (data == NULL) 1016 break; 1017 if (nbt_len >= 4 && caplen >= 4 && memcmp(data,"\377SMB",4) == 0) { 1018 if ((int)nbt_len > caplen) { 1019 if ((int)nbt_len > length) 1020 printf("WARNING: Packet is continued in later TCP segments\n"); 1021 else 1022 printf("WARNING: Short packet. Try increasing the snap length by %d\n", 1023 nbt_len - caplen); 1024 } 1025 print_smb(data, maxbuf > data + nbt_len ? data + nbt_len : maxbuf); 1026 } else 1027 printf("Session packet:(raw data or continuation?)\n"); 1028 break; 1029 1030 case 0x81: 1031 data = smb_fdata(data, 1032 "[P1]NBT Session Request\nFlags=[B]\nLength=[rd]\nDestination=[n1]\nSource=[n1]\n", 1033 maxbuf, 0); 1034 break; 1035 1036 case 0x82: 1037 data = smb_fdata(data, "[P1]NBT Session Granted\nFlags=[B]\nLength=[rd]\n", maxbuf, 0); 1038 break; 1039 1040 case 0x83: 1041 { 1042 const u_char *origdata; 1043 int ecode; 1044 1045 origdata = data; 1046 data = smb_fdata(data, "[P1]NBT SessionReject\nFlags=[B]\nLength=[rd]\nReason=[B]\n", 1047 maxbuf, 0); 1048 if (data == NULL) 1049 break; 1050 if (nbt_len >= 1 && caplen >= 1) { 1051 ecode = origdata[4]; 1052 switch (ecode) { 1053 case 0x80: 1054 printf("Not listening on called name\n"); 1055 break; 1056 case 0x81: 1057 printf("Not listening for calling name\n"); 1058 break; 1059 case 0x82: 1060 printf("Called name not present\n"); 1061 break; 1062 case 0x83: 1063 printf("Called name present, but insufficient resources\n"); 1064 break; 1065 default: 1066 printf("Unspecified error 0x%X\n", ecode); 1067 break; 1068 } 1069 } 1070 } 1071 break; 1072 1073 case 0x85: 1074 data = smb_fdata(data, "[P1]NBT Session Keepalive\nFlags=[B]\nLength=[rd]\n", maxbuf, 0); 1075 break; 1076 1077 default: 1078 data = smb_fdata(data, "NBT - Unknown packet type\nType=[B]\n", maxbuf, 0); 1079 break; 1080 } 1081 printf("\n"); 1082 fflush(stdout); 1083 } 1084 return; 1085 trunc: 1086 printf("[|SMB]"); 1087 return; 1088 } 1089 1090 1091 /* 1092 * print a NBT packet received across udp on port 137 1093 */ 1094 void 1095 nbt_udp137_print(const u_char *data, int length) 1096 { 1097 const u_char *maxbuf = data + length; 1098 int name_trn_id, response, opcode, nm_flags, rcode; 1099 int qdcount, ancount, nscount, arcount; 1100 const char *opcodestr; 1101 const u_char *p; 1102 int total, i; 1103 1104 TCHECK2(data[10], 2); 1105 name_trn_id = EXTRACT_16BITS(data); 1106 response = (data[2] >> 7); 1107 opcode = (data[2] >> 3) & 0xF; 1108 nm_flags = ((data[2] & 0x7) << 4) + (data[3] >> 4); 1109 rcode = data[3] & 0xF; 1110 qdcount = EXTRACT_16BITS(data + 4); 1111 ancount = EXTRACT_16BITS(data + 6); 1112 nscount = EXTRACT_16BITS(data + 8); 1113 arcount = EXTRACT_16BITS(data + 10); 1114 startbuf = data; 1115 1116 if (maxbuf <= data) 1117 return; 1118 1119 if (vflag > 1) 1120 printf("\n>>> "); 1121 1122 printf("NBT UDP PACKET(137): "); 1123 1124 switch (opcode) { 1125 case 0: opcodestr = "QUERY"; break; 1126 case 5: opcodestr = "REGISTRATION"; break; 1127 case 6: opcodestr = "RELEASE"; break; 1128 case 7: opcodestr = "WACK"; break; 1129 case 8: opcodestr = "REFRESH(8)"; break; 1130 case 9: opcodestr = "REFRESH"; break; 1131 case 15: opcodestr = "MULTIHOMED REGISTRATION"; break; 1132 default: opcodestr = "OPUNKNOWN"; break; 1133 } 1134 printf("%s", opcodestr); 1135 if (response) { 1136 if (rcode) 1137 printf("; NEGATIVE"); 1138 else 1139 printf("; POSITIVE"); 1140 } 1141 1142 if (response) 1143 printf("; RESPONSE"); 1144 else 1145 printf("; REQUEST"); 1146 1147 if (nm_flags & 1) 1148 printf("; BROADCAST"); 1149 else 1150 printf("; UNICAST"); 1151 1152 if (vflag < 2) 1153 return; 1154 1155 printf("\nTrnID=0x%X\nOpCode=%d\nNmFlags=0x%X\nRcode=%d\nQueryCount=%d\nAnswerCount=%d\nAuthorityCount=%d\nAddressRecCount=%d\n", 1156 name_trn_id, opcode, nm_flags, rcode, qdcount, ancount, nscount, 1157 arcount); 1158 1159 p = data + 12; 1160 1161 total = ancount + nscount + arcount; 1162 1163 if (qdcount > 100 || total > 100) { 1164 printf("Corrupt packet??\n"); 1165 return; 1166 } 1167 1168 if (qdcount) { 1169 printf("QuestionRecords:\n"); 1170 for (i = 0; i < qdcount; i++) { 1171 p = smb_fdata(p, 1172 "|Name=[n1]\nQuestionType=[rw]\nQuestionClass=[rw]\n#", 1173 maxbuf, 0); 1174 if (p == NULL) 1175 goto out; 1176 } 1177 } 1178 1179 if (total) { 1180 printf("\nResourceRecords:\n"); 1181 for (i = 0; i < total; i++) { 1182 int rdlen; 1183 int restype; 1184 1185 p = smb_fdata(p, "Name=[n1]\n#", maxbuf, 0); 1186 if (p == NULL) 1187 goto out; 1188 restype = EXTRACT_16BITS(p); 1189 p = smb_fdata(p, "ResType=[rw]\nResClass=[rw]\nTTL=[rD]\n", p + 8, 0); 1190 if (p == NULL) 1191 goto out; 1192 rdlen = EXTRACT_16BITS(p); 1193 printf("ResourceLength=%d\nResourceData=\n", rdlen); 1194 p += 2; 1195 if (rdlen == 6) { 1196 p = smb_fdata(p, "AddrType=[rw]\nAddress=[b.b.b.b]\n", p + rdlen, 0); 1197 if (p == NULL) 1198 goto out; 1199 } else { 1200 if (restype == 0x21) { 1201 int numnames; 1202 1203 TCHECK(*p); 1204 numnames = p[0]; 1205 p = smb_fdata(p, "NumNames=[B]\n", p + 1, 0); 1206 if (p == NULL) 1207 goto out; 1208 while (numnames--) { 1209 p = smb_fdata(p, "Name=[n2]\t#", maxbuf, 0); 1210 if (p == NULL) 1211 goto out; 1212 TCHECK(*p); 1213 if (p[0] & 0x80) 1214 printf("<GROUP> "); 1215 switch (p[0] & 0x60) { 1216 case 0x00: printf("B "); break; 1217 case 0x20: printf("P "); break; 1218 case 0x40: printf("M "); break; 1219 case 0x60: printf("_ "); break; 1220 } 1221 if (p[0] & 0x10) 1222 printf("<DEREGISTERING> "); 1223 if (p[0] & 0x08) 1224 printf("<CONFLICT> "); 1225 if (p[0] & 0x04) 1226 printf("<ACTIVE> "); 1227 if (p[0] & 0x02) 1228 printf("<PERMANENT> "); 1229 printf("\n"); 1230 p += 2; 1231 } 1232 } else { 1233 print_data(p, min(rdlen, length - (p - data))); 1234 p += rdlen; 1235 } 1236 } 1237 } 1238 } 1239 1240 if (p < maxbuf) 1241 smb_fdata(p, "AdditionalData:\n", maxbuf, 0); 1242 1243 out: 1244 printf("\n"); 1245 fflush(stdout); 1246 return; 1247 trunc: 1248 printf("[|SMB]"); 1249 return; 1250 } 1251 1252 /* 1253 * Print an SMB-over-TCP packet received across tcp on port 445 1254 */ 1255 void 1256 smb_tcp_print (const u_char * data, int length) 1257 { 1258 int caplen; 1259 u_int smb_len; 1260 const u_char *maxbuf; 1261 1262 if (length < 4) 1263 goto trunc; 1264 if (snapend < data) 1265 goto trunc; 1266 caplen = snapend - data; 1267 if (caplen < 4) 1268 goto trunc; 1269 maxbuf = data + caplen; 1270 smb_len = EXTRACT_24BITS(data + 1); 1271 length -= 4; 1272 caplen -= 4; 1273 1274 startbuf = data; 1275 data += 4; 1276 1277 if (smb_len >= 4 && caplen >= 4 && memcmp(data,"\377SMB",4) == 0) { 1278 if ((int)smb_len > caplen) { 1279 if ((int)smb_len > length) 1280 printf("WARNING: Packet is continued in later TCP segments\n"); 1281 else 1282 printf("WARNING: Short packet. Try increasing the snap length by %d\n", 1283 smb_len - caplen); 1284 } 1285 print_smb(data, maxbuf > data + smb_len ? data + smb_len : maxbuf); 1286 } else 1287 printf("SMB-over-TCP packet:(raw data or continuation?)\n"); 1288 return; 1289 trunc: 1290 printf("[|SMB]"); 1291 return; 1292 } 1293 1294 /* 1295 * print a NBT packet received across udp on port 138 1296 */ 1297 void 1298 nbt_udp138_print(const u_char *data, int length) 1299 { 1300 const u_char *maxbuf = data + length; 1301 1302 if (maxbuf > snapend) 1303 maxbuf = snapend; 1304 if (maxbuf <= data) 1305 return; 1306 startbuf = data; 1307 1308 if (vflag < 2) { 1309 printf("NBT UDP PACKET(138)"); 1310 return; 1311 } 1312 1313 data = smb_fdata(data, 1314 "\n>>> NBT UDP PACKET(138) Res=[rw] ID=[rw] IP=[b.b.b.b] Port=[rd] Length=[rd] Res2=[rw]\nSourceName=[n1]\nDestName=[n1]\n#", 1315 maxbuf, 0); 1316 1317 if (data != NULL) { 1318 /* If there isn't enough data for "\377SMB", don't check for it. */ 1319 if (&data[3] >= maxbuf) 1320 goto out; 1321 1322 if (memcmp(data, "\377SMB",4) == 0) 1323 print_smb(data, maxbuf); 1324 } 1325 out: 1326 printf("\n"); 1327 fflush(stdout); 1328 } 1329 1330 1331 /* 1332 print netbeui frames 1333 */ 1334 struct nbf_strings { 1335 const char *name; 1336 const char *nonverbose; 1337 const char *verbose; 1338 } nbf_strings[0x20] = { 1339 { "Add Group Name Query", ", [P23]Name to add=[n2]#", 1340 "[P5]ResponseCorrelator=[w]\n[P16]Name to add=[n2]\n" }, 1341 { "Add Name Query", ", [P23]Name to add=[n2]#", 1342 "[P5]ResponseCorrelator=[w]\n[P16]Name to add=[n2]\n" }, 1343 { "Name In Conflict", NULL, NULL }, 1344 { "Status Query", NULL, NULL }, 1345 { NULL, NULL, NULL }, /* not used */ 1346 { NULL, NULL, NULL }, /* not used */ 1347 { NULL, NULL, NULL }, /* not used */ 1348 { "Terminate Trace", NULL, NULL }, 1349 { "Datagram", NULL, 1350 "[P7]Destination=[n2]\nSource=[n2]\n" }, 1351 { "Broadcast Datagram", NULL, 1352 "[P7]Destination=[n2]\nSource=[n2]\n" }, 1353 { "Name Query", ", [P7]Name=[n2]#", 1354 "[P1]SessionNumber=[B]\nNameType=[B][P2]\nResponseCorrelator=[w]\nName=[n2]\nName of sender=[n2]\n" }, 1355 { NULL, NULL, NULL }, /* not used */ 1356 { NULL, NULL, NULL }, /* not used */ 1357 { "Add Name Response", ", [P1]GroupName=[w] [P4]Destination=[n2] Source=[n2]#", 1358 "AddNameInProcess=[B]\nGroupName=[w]\nTransmitCorrelator=[w][P2]\nDestination=[n2]\nSource=[n2]\n" }, 1359 { "Name Recognized", NULL, 1360 "[P1]Data2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nDestination=[n2]\nSource=[n2]\n" }, 1361 { "Status Response", NULL, NULL }, 1362 { NULL, NULL, NULL }, /* not used */ 1363 { NULL, NULL, NULL }, /* not used */ 1364 { NULL, NULL, NULL }, /* not used */ 1365 { "Terminate Trace", NULL, NULL }, 1366 { "Data Ack", NULL, 1367 "[P3]TransmitCorrelator=[w][P2]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" }, 1368 { "Data First/Middle", NULL, 1369 "Flags=[{RECEIVE_CONTINUE|NO_ACK||PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" }, 1370 { "Data Only/Last", NULL, 1371 "Flags=[{|NO_ACK|PIGGYBACK_ACK_ALLOWED|PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" }, 1372 { "Session Confirm", NULL, 1373 "Data1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" }, 1374 { "Session End", NULL, 1375 "[P1]Data2=[w][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" }, 1376 { "Session Initialize", NULL, 1377 "Data1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" }, 1378 { "No Receive", NULL, 1379 "Flags=[{|SEND_NO_ACK}]\nDataBytesAccepted=[b][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" }, 1380 { "Receive Outstanding", NULL, 1381 "[P1]DataBytesAccepted=[b][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" }, 1382 { "Receive Continue", NULL, 1383 "[P2]TransmitCorrelator=[w]\n[P2]RemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" }, 1384 { NULL, NULL, NULL }, /* not used */ 1385 { NULL, NULL, NULL }, /* not used */ 1386 { "Session Alive", NULL, NULL } 1387 }; 1388 1389 void 1390 netbeui_print(u_short control, const u_char *data, int length) 1391 { 1392 const u_char *maxbuf = data + length; 1393 int len; 1394 int command; 1395 const u_char *data2; 1396 int is_truncated = 0; 1397 1398 if (maxbuf > snapend) 1399 maxbuf = snapend; 1400 TCHECK(data[4]); 1401 len = EXTRACT_LE_16BITS(data); 1402 command = data[4]; 1403 data2 = data + len; 1404 if (data2 >= maxbuf) { 1405 data2 = maxbuf; 1406 is_truncated = 1; 1407 } 1408 1409 startbuf = data; 1410 1411 if (vflag < 2) { 1412 printf("NBF Packet: "); 1413 data = smb_fdata(data, "[P5]#", maxbuf, 0); 1414 } else { 1415 printf("\n>>> NBF Packet\nType=0x%X ", control); 1416 data = smb_fdata(data, "Length=[d] Signature=[w] Command=[B]\n#", maxbuf, 0); 1417 } 1418 if (data == NULL) 1419 goto out; 1420 1421 if (command > 0x1f || nbf_strings[command].name == NULL) { 1422 if (vflag < 2) 1423 data = smb_fdata(data, "Unknown NBF Command#", data2, 0); 1424 else 1425 data = smb_fdata(data, "Unknown NBF Command\n", data2, 0); 1426 } else { 1427 if (vflag < 2) { 1428 printf("%s", nbf_strings[command].name); 1429 if (nbf_strings[command].nonverbose != NULL) 1430 data = smb_fdata(data, nbf_strings[command].nonverbose, data2, 0); 1431 } else { 1432 printf("%s:\n", nbf_strings[command].name); 1433 if (nbf_strings[command].verbose != NULL) 1434 data = smb_fdata(data, nbf_strings[command].verbose, data2, 0); 1435 else 1436 printf("\n"); 1437 } 1438 } 1439 1440 if (vflag < 2) 1441 return; 1442 1443 if (data == NULL) 1444 goto out; 1445 1446 if (is_truncated) { 1447 /* data2 was past the end of the buffer */ 1448 goto out; 1449 } 1450 1451 /* If this isn't a command that would contain an SMB message, quit. */ 1452 if (command != 0x08 && command != 0x09 && command != 0x15 && 1453 command != 0x16) 1454 goto out; 1455 1456 /* If there isn't enough data for "\377SMB", don't look for it. */ 1457 if (&data2[3] >= maxbuf) 1458 goto out; 1459 1460 if (memcmp(data2, "\377SMB",4) == 0) 1461 print_smb(data2, maxbuf); 1462 else { 1463 int i; 1464 for (i = 0; i < 128; i++) { 1465 if (&data2[i + 3] >= maxbuf) 1466 break; 1467 if (memcmp(&data2[i], "\377SMB", 4) == 0) { 1468 printf("found SMB packet at %d\n", i); 1469 print_smb(&data2[i], maxbuf); 1470 break; 1471 } 1472 } 1473 } 1474 1475 out: 1476 printf("\n"); 1477 return; 1478 trunc: 1479 printf("[|SMB]"); 1480 return; 1481 } 1482 1483 1484 /* 1485 * print IPX-Netbios frames 1486 */ 1487 void 1488 ipx_netbios_print(const u_char *data, u_int length) 1489 { 1490 /* 1491 * this is a hack till I work out how to parse the rest of the 1492 * NetBIOS-over-IPX stuff 1493 */ 1494 int i; 1495 const u_char *maxbuf; 1496 1497 maxbuf = data + length; 1498 /* Don't go past the end of the captured data in the packet. */ 1499 if (maxbuf > snapend) 1500 maxbuf = snapend; 1501 startbuf = data; 1502 for (i = 0; i < 128; i++) { 1503 if (&data[i + 4] > maxbuf) 1504 break; 1505 if (memcmp(&data[i], "\377SMB", 4) == 0) { 1506 smb_fdata(data, "\n>>> IPX transport ", &data[i], 0); 1507 if (data != NULL) 1508 print_smb(&data[i], maxbuf); 1509 printf("\n"); 1510 fflush(stdout); 1511 break; 1512 } 1513 } 1514 if (i == 128) 1515 smb_fdata(data, "\n>>> Unknown IPX ", maxbuf, 0); 1516 } 1517