/* * Copyright (C) Andrew Tridgell 1995-1999 * * This software may be distributed either under the terms of the * BSD-style license that accompanies tcpdump or the GNU GPL version 2 * or later */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #ifndef lint static const char rcsid[] _U_ = "@(#) $Header: /tcpdump/master/tcpdump/print-smb.c,v 1.41.2.2 2005/05/08 20:01:09 guy Exp $"; #endif #include #include #include #include "interface.h" #include "extract.h" #include "smb.h" static int request = 0; static int unicodestr = 0; const u_char *startbuf = NULL; struct smbdescript { const char *req_f1; const char *req_f2; const char *rep_f1; const char *rep_f2; void (*fn)(const u_char *, const u_char *, const u_char *, const u_char *); }; struct smbdescriptint { const char *req_f1; const char *req_f2; const char *rep_f1; const char *rep_f2; void (*fn)(const u_char *, const u_char *, int, int); }; struct smbfns { int id; const char *name; int flags; struct smbdescript descript; }; struct smbfnsint { int id; const char *name; int flags; struct smbdescriptint descript; }; #define DEFDESCRIPT { NULL, NULL, NULL, NULL, NULL } #define FLG_CHAIN (1 << 0) static struct smbfns * smbfind(int id, struct smbfns *list) { int sindex; for (sindex = 0; list[sindex].name; sindex++) if (list[sindex].id == id) return(&list[sindex]); return(&list[0]); } static struct smbfnsint * smbfindint(int id, struct smbfnsint *list) { int sindex; for (sindex = 0; list[sindex].name; sindex++) if (list[sindex].id == id) return(&list[sindex]); return(&list[0]); } static void trans2_findfirst(const u_char *param, const u_char *data, int pcnt, int dcnt) { const char *fmt; if (request) fmt = "Attribute=[A]\nSearchCount=[d]\nFlags=[w]\nLevel=[dP4]\nFile=[S]\n"; else fmt = "Handle=[w]\nCount=[d]\nEOS=[w]\nEoffset=[d]\nLastNameOfs=[w]\n"; smb_fdata(param, fmt, param + pcnt, unicodestr); if (dcnt) { printf("data:\n"); print_data(data, dcnt); } } static void trans2_qfsinfo(const u_char *param, const u_char *data, int pcnt, int dcnt) { static int level = 0; const char *fmt=""; if (request) { TCHECK2(*param, 2); level = EXTRACT_LE_16BITS(param); fmt = "InfoLevel=[d]\n"; smb_fdata(param, fmt, param + pcnt, unicodestr); } else { switch (level) { case 1: fmt = "idFileSystem=[W]\nSectorUnit=[D]\nUnit=[D]\nAvail=[D]\nSectorSize=[d]\n"; break; case 2: fmt = "CreationTime=[T2]VolNameLength=[lb]\nVolumeLabel=[c]\n"; break; case 0x105: fmt = "Capabilities=[W]\nMaxFileLen=[D]\nVolNameLen=[lD]\nVolume=[C]\n"; break; default: fmt = "UnknownLevel\n"; break; } smb_fdata(data, fmt, data + dcnt, unicodestr); } if (dcnt) { printf("data:\n"); print_data(data, dcnt); } return; trunc: printf("[|SMB]"); return; } struct smbfnsint trans2_fns[] = { { 0, "TRANSACT2_OPEN", 0, { "Flags2=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]\nOFun=[w]\nSize=[D]\nRes=([w, w, w, w, w])\nPath=[S]", NULL, "Handle=[d]\nAttrib=[A]\nTime=[T2]\nSize=[D]\nAccess=[w]\nType=[w]\nState=[w]\nAction=[w]\nInode=[W]\nOffErr=[d]\n|EALength=[d]\n", NULL, NULL }}, { 1, "TRANSACT2_FINDFIRST", 0, { NULL, NULL, NULL, NULL, trans2_findfirst }}, { 2, "TRANSACT2_FINDNEXT", 0, DEFDESCRIPT }, { 3, "TRANSACT2_QFSINFO", 0, { NULL, NULL, NULL, NULL, trans2_qfsinfo }}, { 4, "TRANSACT2_SETFSINFO", 0, DEFDESCRIPT }, { 5, "TRANSACT2_QPATHINFO", 0, DEFDESCRIPT }, { 6, "TRANSACT2_SETPATHINFO", 0, DEFDESCRIPT }, { 7, "TRANSACT2_QFILEINFO", 0, DEFDESCRIPT }, { 8, "TRANSACT2_SETFILEINFO", 0, DEFDESCRIPT }, { 9, "TRANSACT2_FSCTL", 0, DEFDESCRIPT }, { 10, "TRANSACT2_IOCTL", 0, DEFDESCRIPT }, { 11, "TRANSACT2_FINDNOTIFYFIRST", 0, DEFDESCRIPT }, { 12, "TRANSACT2_FINDNOTIFYNEXT", 0, DEFDESCRIPT }, { 13, "TRANSACT2_MKDIR", 0, DEFDESCRIPT }, { -1, NULL, 0, DEFDESCRIPT } }; static void print_trans2(const u_char *words, const u_char *dat, const u_char *buf, const u_char *maxbuf) { u_int bcc; static struct smbfnsint *fn = &trans2_fns[0]; const u_char *data, *param; const u_char *w = words + 1; const char *f1 = NULL, *f2 = NULL; int pcnt, dcnt; TCHECK(words[0]); if (request) { TCHECK2(w[14 * 2], 2); pcnt = EXTRACT_LE_16BITS(w + 9 * 2); param = buf + EXTRACT_LE_16BITS(w + 10 * 2); dcnt = EXTRACT_LE_16BITS(w + 11 * 2); data = buf + EXTRACT_LE_16BITS(w + 12 * 2); fn = smbfindint(EXTRACT_LE_16BITS(w + 14 * 2), trans2_fns); } else { if (words[0] == 0) { printf("%s\n", fn->name); printf("Trans2Interim\n"); return; } TCHECK2(w[7 * 2], 2); pcnt = EXTRACT_LE_16BITS(w + 3 * 2); param = buf + EXTRACT_LE_16BITS(w + 4 * 2); dcnt = EXTRACT_LE_16BITS(w + 6 * 2); data = buf + EXTRACT_LE_16BITS(w + 7 * 2); } printf("%s param_length=%d data_length=%d\n", fn->name, pcnt, dcnt); if (request) { if (words[0] == 8) { smb_fdata(words + 1, "Trans2Secondary\nTotParam=[d]\nTotData=[d]\nParamCnt=[d]\nParamOff=[d]\nParamDisp=[d]\nDataCnt=[d]\nDataOff=[d]\nDataDisp=[d]\nHandle=[d]\n", maxbuf, unicodestr); return; } else { smb_fdata(words + 1, "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", words + 1 + 14 * 2, unicodestr); } f1 = fn->descript.req_f1; f2 = fn->descript.req_f2; } else { smb_fdata(words + 1, "TotParam=[d]\nTotData=[d]\nRes1=[w]\nParamCnt=[d]\nParamOff=[d]\nParamDisp[d]\nDataCnt=[d]\nDataOff=[d]\nDataDisp=[d]\nSetupCnt=[b][P1]\n", words + 1 + 10 * 2, unicodestr); f1 = fn->descript.rep_f1; f2 = fn->descript.rep_f2; } TCHECK2(*dat, 2); bcc = EXTRACT_LE_16BITS(dat); printf("smb_bcc=%u\n", bcc); if (fn->descript.fn) (*fn->descript.fn)(param, data, pcnt, dcnt); else { smb_fdata(param, f1 ? f1 : "Parameters=\n", param + pcnt, unicodestr); smb_fdata(data, f2 ? f2 : "Data=\n", data + dcnt, unicodestr); } return; trunc: printf("[|SMB]"); return; } static void print_browse(const u_char *param, int paramlen, const u_char *data, int datalen) { const u_char *maxbuf = data + datalen; int command; TCHECK(data[0]); command = data[0]; smb_fdata(param, "BROWSE PACKET\n|Param ", param+paramlen, unicodestr); switch (command) { case 0xF: data = smb_fdata(data, "BROWSE PACKET:\nType=[B] (LocalMasterAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n", maxbuf, unicodestr); break; case 0x1: data = smb_fdata(data, "BROWSE PACKET:\nType=[B] (HostAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n", maxbuf, unicodestr); break; case 0x2: data = smb_fdata(data, "BROWSE PACKET:\nType=[B] (AnnouncementRequest)\nFlags=[B]\nReplySystemName=[S]\n", maxbuf, unicodestr); break; case 0xc: data = smb_fdata(data, "BROWSE PACKET:\nType=[B] (WorkgroupAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nCommentPointer=[W]\nServerName=[S]\n", maxbuf, unicodestr); break; case 0x8: data = smb_fdata(data, "BROWSE PACKET:\nType=[B] (ElectionFrame)\nElectionVersion=[B]\nOSSummary=[W]\nUptime=[(W, W)]\nServerName=[S]\n", maxbuf, unicodestr); break; case 0xb: data = smb_fdata(data, "BROWSE PACKET:\nType=[B] (BecomeBackupBrowser)\nName=[S]\n", maxbuf, unicodestr); break; case 0x9: data = smb_fdata(data, "BROWSE PACKET:\nType=[B] (GetBackupList)\nListCount?=[B]\nToken=[W]\n", maxbuf, unicodestr); break; case 0xa: data = smb_fdata(data, "BROWSE PACKET:\nType=[B] (BackupListResponse)\nServerCount?=[B]\nToken=[W]\n*Name=[S]\n", maxbuf, unicodestr); break; case 0xd: data = smb_fdata(data, "BROWSE PACKET:\nType=[B] (MasterAnnouncement)\nMasterName=[S]\n", maxbuf, unicodestr); break; case 0xe: data = smb_fdata(data, "BROWSE PACKET:\nType=[B] (ResetBrowser)\nOptions=[B]\n", maxbuf, unicodestr); break; default: data = smb_fdata(data, "Unknown Browser Frame ", maxbuf, unicodestr); break; } return; trunc: printf("[|SMB]"); return; } static void print_ipc(const u_char *param, int paramlen, const u_char *data, int datalen) { if (paramlen) smb_fdata(param, "Command=[w]\nStr1=[S]\nStr2=[S]\n", param + paramlen, unicodestr); if (datalen) smb_fdata(data, "IPC ", data + datalen, unicodestr); } static void print_trans(const u_char *words, const u_char *data1, const u_char *buf, const u_char *maxbuf) { u_int bcc; const char *f1, *f2, *f3, *f4; const u_char *data, *param; const u_char *w = words + 1; int datalen, paramlen; if (request) { TCHECK2(w[12 * 2], 2); paramlen = EXTRACT_LE_16BITS(w + 9 * 2); param = buf + EXTRACT_LE_16BITS(w + 10 * 2); datalen = EXTRACT_LE_16BITS(w + 11 * 2); data = buf + EXTRACT_LE_16BITS(w + 12 * 2); 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"; f2 = "|Name=[S]\n"; f3 = "|Param "; f4 = "|Data "; } else { TCHECK2(w[7 * 2], 2); paramlen = EXTRACT_LE_16BITS(w + 3 * 2); param = buf + EXTRACT_LE_16BITS(w + 4 * 2); datalen = EXTRACT_LE_16BITS(w + 6 * 2); data = buf + EXTRACT_LE_16BITS(w + 7 * 2); f1 = "TotParamCnt=[d] \nTotDataCnt=[d] \nRes1=[d]\nParamCnt=[d] \nParamOff=[d] \nRes2=[d] \nDataCnt=[d] \nDataOff=[d] \nRes3=[d]\nLsetup=[d]\n"; f2 = "|Unknown "; f3 = "|Param "; f4 = "|Data "; } smb_fdata(words + 1, f1, SMBMIN(words + 1 + 2 * words[0], maxbuf), unicodestr); TCHECK2(*data1, 2); bcc = EXTRACT_LE_16BITS(data1); printf("smb_bcc=%u\n", bcc); if (bcc > 0) { smb_fdata(data1 + 2, f2, maxbuf - (paramlen + datalen), unicodestr); if (strcmp((const char *)(data1 + 2), "\\MAILSLOT\\BROWSE") == 0) { print_browse(param, paramlen, data, datalen); return; } if (strcmp((const char *)(data1 + 2), "\\PIPE\\LANMAN") == 0) { print_ipc(param, paramlen, data, datalen); return; } if (paramlen) smb_fdata(param, f3, SMBMIN(param + paramlen, maxbuf), unicodestr); if (datalen) smb_fdata(data, f4, SMBMIN(data + datalen, maxbuf), unicodestr); } return; trunc: printf("[|SMB]"); return; } static void print_negprot(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf) { u_int wct, bcc; const char *f1 = NULL, *f2 = NULL; TCHECK(words[0]); wct = words[0]; if (request) f2 = "*|Dialect=[Y]\n"; else { if (wct == 1) f1 = "Core Protocol\nDialectIndex=[d]"; else if (wct == 17) f1 = "NT1 Protocol\nDialectIndex=[d]\nSecMode=[B]\nMaxMux=[d]\nNumVcs=[d]\nMaxBuffer=[D]\nRawSize=[D]\nSessionKey=[W]\nCapabilities=[W]\nServerTime=[T3]TimeZone=[d]\nCryptKey="; else if (wct == 13) 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="; } if (f1) smb_fdata(words + 1, f1, SMBMIN(words + 1 + wct * 2, maxbuf), unicodestr); else print_data(words + 1, SMBMIN(wct * 2, PTR_DIFF(maxbuf, words + 1))); TCHECK2(*data, 2); bcc = EXTRACT_LE_16BITS(data); printf("smb_bcc=%u\n", bcc); if (bcc > 0) { if (f2) smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data), maxbuf), unicodestr); else print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2))); } return; trunc: printf("[|SMB]"); return; } static void print_sesssetup(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf) { u_int wct, bcc; const char *f1 = NULL, *f2 = NULL; TCHECK(words[0]); wct = words[0]; if (request) { if (wct == 10) f1 = "Com2=[w]\nOff2=[d]\nBufSize=[d]\nMpxMax=[d]\nVcNum=[d]\nSessionKey=[W]\nPassLen=[d]\nCryptLen=[d]\nCryptOff=[d]\nPass&Name=\n"; else 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"; } else { if (wct == 3) { f1 = "Com2=[w]\nOff2=[d]\nAction=[w]\n"; } else if (wct == 13) { f1 = "Com2=[B]\nRes=[B]\nOff2=[d]\nAction=[w]\n"; f2 = "NativeOS=[S]\nNativeLanMan=[S]\nPrimaryDomain=[S]\n"; } } if (f1) smb_fdata(words + 1, f1, SMBMIN(words + 1 + wct * 2, maxbuf), unicodestr); else print_data(words + 1, SMBMIN(wct * 2, PTR_DIFF(maxbuf, words + 1))); TCHECK2(*data, 2); bcc = EXTRACT_LE_16BITS(data); printf("smb_bcc=%u\n", bcc); if (bcc > 0) { if (f2) smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data), maxbuf), unicodestr); else print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2))); } return; trunc: printf("[|SMB]"); return; } static void print_lockingandx(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf) { u_int wct, bcc; const u_char *maxwords; const char *f1 = NULL, *f2 = NULL; TCHECK(words[0]); wct = words[0]; if (request) { f1 = "Com2=[w]\nOff2=[d]\nHandle=[d]\nLockType=[w]\nTimeOut=[D]\nUnlockCount=[d]\nLockCount=[d]\n"; TCHECK(words[7]); if (words[7] & 0x10) f2 = "*Process=[d]\n[P2]Offset=[M]\nLength=[M]\n"; else f2 = "*Process=[d]\nOffset=[D]\nLength=[D]\n"; } else { f1 = "Com2=[w]\nOff2=[d]\n"; } maxwords = SMBMIN(words + 1 + wct * 2, maxbuf); if (wct) smb_fdata(words + 1, f1, maxwords, unicodestr); TCHECK2(*data, 2); bcc = EXTRACT_LE_16BITS(data); printf("smb_bcc=%u\n", bcc); if (bcc > 0) { if (f2) smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data), maxbuf), unicodestr); else print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2))); } return; trunc: printf("[|SMB]"); return; } static struct smbfns smb_fns[] = { { -1, "SMBunknown", 0, DEFDESCRIPT }, { SMBtcon, "SMBtcon", 0, { NULL, "Path=[Z]\nPassword=[Z]\nDevice=[Z]\n", "MaxXmit=[d]\nTreeId=[d]\n", NULL, NULL } }, { SMBtdis, "SMBtdis", 0, DEFDESCRIPT }, { SMBexit, "SMBexit", 0, DEFDESCRIPT }, { SMBioctl, "SMBioctl", 0, DEFDESCRIPT }, { SMBecho, "SMBecho", 0, { "ReverbCount=[d]\n", NULL, "SequenceNum=[d]\n", NULL, NULL } }, { SMBulogoffX, "SMBulogoffX", FLG_CHAIN, DEFDESCRIPT }, { SMBgetatr, "SMBgetatr", 0, { NULL, "Path=[Z]\n", "Attribute=[A]\nTime=[T2]Size=[D]\nRes=([w,w,w,w,w])\n", NULL, NULL } }, { SMBsetatr, "SMBsetatr", 0, { "Attribute=[A]\nTime=[T2]Res=([w,w,w,w,w])\n", "Path=[Z]\n", NULL, NULL, NULL } }, { SMBchkpth, "SMBchkpth", 0, { NULL, "Path=[Z]\n", NULL, NULL, NULL } }, { SMBsearch, "SMBsearch", 0, { "Count=[d]\nAttrib=[A]\n", "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\n", "Count=[d]\n", "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", NULL } }, { SMBopen, "SMBopen", 0, { "Mode=[w]\nAttribute=[A]\n", "Path=[Z]\n", "Handle=[d]\nOAttrib=[A]\nTime=[T2]Size=[D]\nAccess=[w]\n", NULL, NULL } }, { SMBcreate, "SMBcreate", 0, { "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } }, { SMBmknew, "SMBmknew", 0, { "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } }, { SMBunlink, "SMBunlink", 0, { "Attrib=[A]\n", "Path=[Z]\n", NULL, NULL, NULL } }, { SMBread, "SMBread", 0, { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL, "Count=[d]\nRes=([w,w,w,w])\n", NULL, NULL } }, { SMBwrite, "SMBwrite", 0, { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL, "Count=[d]\n", NULL, NULL } }, { SMBclose, "SMBclose", 0, { "Handle=[d]\nTime=[T2]", NULL, NULL, NULL, NULL } }, { SMBmkdir, "SMBmkdir", 0, { NULL, "Path=[Z]\n", NULL, NULL, NULL } }, { SMBrmdir, "SMBrmdir", 0, { NULL, "Path=[Z]\n", NULL, NULL, NULL } }, { SMBdskattr, "SMBdskattr", 0, { NULL, NULL, "TotalUnits=[d]\nBlocksPerUnit=[d]\nBlockSize=[d]\nFreeUnits=[d]\nMedia=[w]\n", NULL, NULL } }, { SMBmv, "SMBmv", 0, { "Attrib=[A]\n", "OldPath=[Z]\nNewPath=[Z]\n", NULL, NULL, NULL } }, /* * this is a Pathworks specific call, allowing the * changing of the root path */ { pSETDIR, "SMBsetdir", 0, { NULL, "Path=[Z]\n", NULL, NULL, NULL } }, { SMBlseek, "SMBlseek", 0, { "Handle=[d]\nMode=[w]\nOffset=[D]\n", "Offset=[D]\n", NULL, NULL, NULL } }, { SMBflush, "SMBflush", 0, { "Handle=[d]\n", NULL, NULL, NULL, NULL } }, { SMBsplopen, "SMBsplopen", 0, { "SetupLen=[d]\nMode=[w]\n", "Ident=[Z]\n", "Handle=[d]\n", NULL, NULL } }, { SMBsplclose, "SMBsplclose", 0, { "Handle=[d]\n", NULL, NULL, NULL, NULL } }, { SMBsplretq, "SMBsplretq", 0, { "MaxCount=[d]\nStartIndex=[d]\n", NULL, "Count=[d]\nIndex=[d]\n", "*Time=[T2]Status=[B]\nJobID=[d]\nSize=[D]\nRes=[B]Name=[s16]\n", NULL } }, { SMBsplwr, "SMBsplwr", 0, { "Handle=[d]\n", NULL, NULL, NULL, NULL } }, { SMBlock, "SMBlock", 0, { "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } }, { SMBunlock, "SMBunlock", 0, { "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } }, /* CORE+ PROTOCOL FOLLOWS */ { SMBreadbraw, "SMBreadbraw", 0, { "Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[d]\n", NULL, NULL, NULL, NULL } }, { SMBwritebraw, "SMBwritebraw", 0, { "Handle=[d]\nTotalCount=[d]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\n|DataSize=[d]\nDataOff=[d]\n", NULL, "WriteRawAck", NULL, NULL } }, { SMBwritec, "SMBwritec", 0, { NULL, NULL, "Count=[d]\n", NULL, NULL } }, { SMBwriteclose, "SMBwriteclose", 0, { "Handle=[d]\nCount=[d]\nOffset=[D]\nTime=[T2]Res=([w,w,w,w,w,w])", NULL, "Count=[d]\n", NULL, NULL } }, { SMBlockread, "SMBlockread", 0, { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL, "Count=[d]\nRes=([w,w,w,w])\n", NULL, NULL } }, { SMBwriteunlock, "SMBwriteunlock", 0, { "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL, "Count=[d]\n", NULL, NULL } }, { SMBreadBmpx, "SMBreadBmpx", 0, { "Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[w]\n", NULL, "Offset=[D]\nTotCount=[d]\nRemaining=[d]\nRes=([w,w])\nDataSize=[d]\nDataOff=[d]\n", NULL, NULL } }, { SMBwriteBmpx, "SMBwriteBmpx", 0, { "Handle=[d]\nTotCount=[d]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\nDataSize=[d]\nDataOff=[d]\n", NULL, "Remaining=[d]\n", NULL, NULL } }, { SMBwriteBs, "SMBwriteBs", 0, { "Handle=[d]\nTotCount=[d]\nOffset=[D]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\n", NULL, "Count=[d]\n", NULL, NULL } }, { SMBsetattrE, "SMBsetattrE", 0, { "Handle=[d]\nCreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]", NULL, NULL, NULL, NULL } }, { SMBgetattrE, "SMBgetattrE", 0, { "Handle=[d]\n", NULL, "CreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]Size=[D]\nAllocSize=[D]\nAttribute=[A]\n", NULL, NULL } }, { SMBtranss, "SMBtranss", 0, DEFDESCRIPT }, { SMBioctls, "SMBioctls", 0, DEFDESCRIPT }, { SMBcopy, "SMBcopy", 0, { "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n", "CopyCount=[d]\n", "|ErrStr=[S]\n", NULL } }, { SMBmove, "SMBmove", 0, { "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n", "MoveCount=[d]\n", "|ErrStr=[S]\n", NULL } }, { SMBopenX, "SMBopenX", FLG_CHAIN, { "Com2=[w]\nOff2=[d]\nFlags=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]OFun=[w]\nSize=[D]\nTimeOut=[D]\nRes=[W]\n", "Path=[S]\n", "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", NULL, NULL } }, { SMBreadX, "SMBreadX", FLG_CHAIN, { "Com2=[w]\nOff2=[d]\nHandle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nCountLeft=[d]\n", NULL, "Com2=[w]\nOff2=[d]\nRemaining=[d]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\nRes=([w,w,w,w])\n", NULL, NULL } }, { SMBwriteX, "SMBwriteX", FLG_CHAIN, { "Com2=[w]\nOff2=[d]\nHandle=[d]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nCountLeft=[d]\nRes=[w]\nDataSize=[d]\nDataOff=[d]\n", NULL, "Com2=[w]\nOff2=[d]\nCount=[d]\nRemaining=[d]\nRes=[W]\n", NULL, NULL } }, { SMBffirst, "SMBffirst", 0, { "Count=[d]\nAttrib=[A]\n", "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n", "Count=[d]\n", "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", NULL } }, { SMBfunique, "SMBfunique", 0, { "Count=[d]\nAttrib=[A]\n", "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n", "Count=[d]\n", "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", NULL } }, { SMBfclose, "SMBfclose", 0, { "Count=[d]\nAttrib=[A]\n", "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n", "Count=[d]\n", "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", NULL } }, { SMBfindnclose, "SMBfindnclose", 0, { "Handle=[d]\n", NULL, NULL, NULL, NULL } }, { SMBfindclose, "SMBfindclose", 0, { "Handle=[d]\n", NULL, NULL, NULL, NULL } }, { SMBsends, "SMBsends", 0, { NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } }, { SMBsendstrt, "SMBsendstrt", 0, { NULL, "Source=[Z]\nDest=[Z]\n", "GroupID=[d]\n", NULL, NULL } }, { SMBsendend, "SMBsendend", 0, { "GroupID=[d]\n", NULL, NULL, NULL, NULL } }, { SMBsendtxt, "SMBsendtxt", 0, { "GroupID=[d]\n", NULL, NULL, NULL, NULL } }, { SMBsendb, "SMBsendb", 0, { NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } }, { SMBfwdname, "SMBfwdname", 0, DEFDESCRIPT }, { SMBcancelf, "SMBcancelf", 0, DEFDESCRIPT }, { SMBgetmac, "SMBgetmac", 0, DEFDESCRIPT }, { SMBnegprot, "SMBnegprot", 0, { NULL, NULL, NULL, NULL, print_negprot } }, { SMBsesssetupX, "SMBsesssetupX", FLG_CHAIN, { NULL, NULL, NULL, NULL, print_sesssetup } }, { SMBtconX, "SMBtconX", FLG_CHAIN, { "Com2=[w]\nOff2=[d]\nFlags=[w]\nPassLen=[d]\nPasswd&Path&Device=\n", NULL, "Com2=[w]\nOff2=[d]\n", "ServiceType=[R]\n", NULL } }, { SMBlockingX, "SMBlockingX", FLG_CHAIN, { NULL, NULL, NULL, NULL, print_lockingandx } }, { SMBtrans2, "SMBtrans2", 0, { NULL, NULL, NULL, NULL, print_trans2 } }, { SMBtranss2, "SMBtranss2", 0, DEFDESCRIPT }, { SMBctemp, "SMBctemp", 0, DEFDESCRIPT }, { SMBreadBs, "SMBreadBs", 0, DEFDESCRIPT }, { SMBtrans, "SMBtrans", 0, { NULL, NULL, NULL, NULL, print_trans } }, { SMBnttrans, "SMBnttrans", 0, DEFDESCRIPT }, { SMBnttranss, "SMBnttranss", 0, DEFDESCRIPT }, { SMBntcreateX, "SMBntcreateX", FLG_CHAIN, { "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", "Path=[C]\n", "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", NULL, NULL } }, { SMBntcancel, "SMBntcancel", 0, DEFDESCRIPT }, { -1, NULL, 0, DEFDESCRIPT } }; /* * print a SMB message */ static void print_smb(const u_char *buf, const u_char *maxbuf) { u_int16_t flags2; int nterrcodes; int command; u_int32_t nterror; const u_char *words, *maxwords, *data; struct smbfns *fn; const char *fmt_smbheader = "[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"; int smboffset; TCHECK(buf[9]); request = (buf[9] & 0x80) ? 0 : 1; flags2 = EXTRACT_LE_16BITS(&buf[10]); unicodestr = flags2 & 0x8000; nterrcodes = flags2 & 0x4000; startbuf = buf; command = buf[4]; fn = smbfind(command, smb_fns); if (vflag > 1) printf("\n"); printf("SMB PACKET: %s (%s)\n", fn->name, request ? "REQUEST" : "REPLY"); if (vflag < 2) return; /* print out the header */ smb_fdata(buf, fmt_smbheader, buf + 33, unicodestr); if (nterrcodes) { nterror = EXTRACT_LE_32BITS(&buf[5]); if (nterror) printf("NTError = %s\n", nt_errstr(nterror)); } else { if (buf[5]) printf("SMBError = %s\n", smb_errstr(buf[5], EXTRACT_LE_16BITS(&buf[7]))); } smboffset = 32; for (;;) { const char *f1, *f2; int wct; u_int bcc; int newsmboffset; words = buf + smboffset; TCHECK(words[0]); wct = words[0]; data = words + 1 + wct * 2; maxwords = SMBMIN(data, maxbuf); if (request) { f1 = fn->descript.req_f1; f2 = fn->descript.req_f2; } else { f1 = fn->descript.rep_f1; f2 = fn->descript.rep_f2; } if (fn->descript.fn) (*fn->descript.fn)(words, data, buf, maxbuf); else { if (wct) { if (f1) smb_fdata(words + 1, f1, words + 1 + wct * 2, unicodestr); else { int i; int v; for (i = 0; &words[1 + 2 * i] < maxwords; i++) { TCHECK2(words[1 + 2 * i], 2); v = EXTRACT_LE_16BITS(words + 1 + 2 * i); printf("smb_vwv[%d]=%d (0x%X)\n", i, v, v); } } } TCHECK2(*data, 2); bcc = EXTRACT_LE_16BITS(data); printf("smb_bcc=%u\n", bcc); if (f2) { if (bcc > 0) smb_fdata(data + 2, f2, data + 2 + bcc, unicodestr); } else { if (bcc > 0) { printf("smb_buf[]=\n"); print_data(data + 2, SMBMIN(bcc, PTR_DIFF(maxbuf, data + 2))); } } } if ((fn->flags & FLG_CHAIN) == 0) break; if (wct == 0) break; TCHECK(words[1]); command = words[1]; if (command == 0xFF) break; TCHECK2(words[3], 2); newsmboffset = EXTRACT_LE_16BITS(words + 3); fn = smbfind(command, smb_fns); printf("\nSMB PACKET: %s (%s) (CHAINED)\n", fn->name, request ? "REQUEST" : "REPLY"); if (newsmboffset < smboffset) { printf("Bad andX offset: %u < %u\n", newsmboffset, smboffset); break; } smboffset = newsmboffset; } printf("\n"); return; trunc: printf("[|SMB]"); return; } /* * print a NBT packet received across tcp on port 139 */ void nbt_tcp_print(const u_char *data, int length) { int caplen; int type; u_int nbt_len; const u_char *maxbuf; if (length < 4) goto trunc; if (snapend < data) goto trunc; caplen = snapend - data; if (caplen < 4) goto trunc; maxbuf = data + caplen; type = data[0]; nbt_len = EXTRACT_16BITS(data + 2); length -= 4; caplen -= 4; startbuf = data; if (vflag < 2) { printf(" NBT Session Packet: "); switch (type) { case 0x00: printf("Session Message"); break; case 0x81: printf("Session Request"); break; case 0x82: printf("Session Granted"); break; case 0x83: { int ecode; if (nbt_len < 4) goto trunc; if (length < 4) goto trunc; if (caplen < 4) goto trunc; ecode = data[4]; printf("Session Reject, "); switch (ecode) { case 0x80: printf("Not listening on called name"); break; case 0x81: printf("Not listening for calling name"); break; case 0x82: printf("Called name not present"); break; case 0x83: printf("Called name present, but insufficient resources"); break; default: printf("Unspecified error 0x%X", ecode); break; } } break; case 0x85: printf("Session Keepalive"); break; default: data = smb_fdata(data, "Unknown packet type [rB]", maxbuf, 0); break; } } else { printf ("\n>>> NBT Session Packet\n"); switch (type) { case 0x00: data = smb_fdata(data, "[P1]NBT Session Message\nFlags=[B]\nLength=[rd]\n", data + 4, 0); if (data == NULL) break; if (nbt_len >= 4 && caplen >= 4 && memcmp(data,"\377SMB",4) == 0) { if ((int)nbt_len > caplen) { if ((int)nbt_len > length) printf("WARNING: Packet is continued in later TCP segments\n"); else printf("WARNING: Short packet. Try increasing the snap length by %d\n", nbt_len - caplen); } print_smb(data, maxbuf > data + nbt_len ? data + nbt_len : maxbuf); } else printf("Session packet:(raw data or continuation?)\n"); break; case 0x81: data = smb_fdata(data, "[P1]NBT Session Request\nFlags=[B]\nLength=[rd]\nDestination=[n1]\nSource=[n1]\n", maxbuf, 0); break; case 0x82: data = smb_fdata(data, "[P1]NBT Session Granted\nFlags=[B]\nLength=[rd]\n", maxbuf, 0); break; case 0x83: { const u_char *origdata; int ecode; origdata = data; data = smb_fdata(data, "[P1]NBT SessionReject\nFlags=[B]\nLength=[rd]\nReason=[B]\n", maxbuf, 0); if (data == NULL) break; if (nbt_len >= 1 && caplen >= 1) { ecode = origdata[4]; switch (ecode) { case 0x80: printf("Not listening on called name\n"); break; case 0x81: printf("Not listening for calling name\n"); break; case 0x82: printf("Called name not present\n"); break; case 0x83: printf("Called name present, but insufficient resources\n"); break; default: printf("Unspecified error 0x%X\n", ecode); break; } } } break; case 0x85: data = smb_fdata(data, "[P1]NBT Session Keepalive\nFlags=[B]\nLength=[rd]\n", maxbuf, 0); break; default: data = smb_fdata(data, "NBT - Unknown packet type\nType=[B]\n", maxbuf, 0); break; } printf("\n"); fflush(stdout); } return; trunc: printf("[|SMB]"); return; } /* * print a NBT packet received across udp on port 137 */ void nbt_udp137_print(const u_char *data, int length) { const u_char *maxbuf = data + length; int name_trn_id, response, opcode, nm_flags, rcode; int qdcount, ancount, nscount, arcount; const char *opcodestr; const u_char *p; int total, i; TCHECK2(data[10], 2); name_trn_id = EXTRACT_16BITS(data); response = (data[2] >> 7); opcode = (data[2] >> 3) & 0xF; nm_flags = ((data[2] & 0x7) << 4) + (data[3] >> 4); rcode = data[3] & 0xF; qdcount = EXTRACT_16BITS(data + 4); ancount = EXTRACT_16BITS(data + 6); nscount = EXTRACT_16BITS(data + 8); arcount = EXTRACT_16BITS(data + 10); startbuf = data; if (maxbuf <= data) return; if (vflag > 1) printf("\n>>> "); printf("NBT UDP PACKET(137): "); switch (opcode) { case 0: opcodestr = "QUERY"; break; case 5: opcodestr = "REGISTRATION"; break; case 6: opcodestr = "RELEASE"; break; case 7: opcodestr = "WACK"; break; case 8: opcodestr = "REFRESH(8)"; break; case 9: opcodestr = "REFRESH"; break; case 15: opcodestr = "MULTIHOMED REGISTRATION"; break; default: opcodestr = "OPUNKNOWN"; break; } printf("%s", opcodestr); if (response) { if (rcode) printf("; NEGATIVE"); else printf("; POSITIVE"); } if (response) printf("; RESPONSE"); else printf("; REQUEST"); if (nm_flags & 1) printf("; BROADCAST"); else printf("; UNICAST"); if (vflag < 2) return; printf("\nTrnID=0x%X\nOpCode=%d\nNmFlags=0x%X\nRcode=%d\nQueryCount=%d\nAnswerCount=%d\nAuthorityCount=%d\nAddressRecCount=%d\n", name_trn_id, opcode, nm_flags, rcode, qdcount, ancount, nscount, arcount); p = data + 12; total = ancount + nscount + arcount; if (qdcount > 100 || total > 100) { printf("Corrupt packet??\n"); return; } if (qdcount) { printf("QuestionRecords:\n"); for (i = 0; i < qdcount; i++) { p = smb_fdata(p, "|Name=[n1]\nQuestionType=[rw]\nQuestionClass=[rw]\n#", maxbuf, 0); if (p == NULL) goto out; } } if (total) { printf("\nResourceRecords:\n"); for (i = 0; i < total; i++) { int rdlen; int restype; p = smb_fdata(p, "Name=[n1]\n#", maxbuf, 0); if (p == NULL) goto out; restype = EXTRACT_16BITS(p); p = smb_fdata(p, "ResType=[rw]\nResClass=[rw]\nTTL=[rD]\n", p + 8, 0); if (p == NULL) goto out; rdlen = EXTRACT_16BITS(p); printf("ResourceLength=%d\nResourceData=\n", rdlen); p += 2; if (rdlen == 6) { p = smb_fdata(p, "AddrType=[rw]\nAddress=[b.b.b.b]\n", p + rdlen, 0); if (p == NULL) goto out; } else { if (restype == 0x21) { int numnames; TCHECK(*p); numnames = p[0]; p = smb_fdata(p, "NumNames=[B]\n", p + 1, 0); if (p == NULL) goto out; while (numnames--) { p = smb_fdata(p, "Name=[n2]\t#", maxbuf, 0); if (p == NULL) goto out; TCHECK(*p); if (p[0] & 0x80) printf(" "); switch (p[0] & 0x60) { case 0x00: printf("B "); break; case 0x20: printf("P "); break; case 0x40: printf("M "); break; case 0x60: printf("_ "); break; } if (p[0] & 0x10) printf(" "); if (p[0] & 0x08) printf(" "); if (p[0] & 0x04) printf(" "); if (p[0] & 0x02) printf(" "); printf("\n"); p += 2; } } else { print_data(p, min(rdlen, length - (p - data))); p += rdlen; } } } } if (p < maxbuf) smb_fdata(p, "AdditionalData:\n", maxbuf, 0); out: printf("\n"); fflush(stdout); return; trunc: printf("[|SMB]"); return; } /* * print a NBT packet received across udp on port 138 */ void nbt_udp138_print(const u_char *data, int length) { const u_char *maxbuf = data + length; if (maxbuf > snapend) maxbuf = snapend; if (maxbuf <= data) return; startbuf = data; if (vflag < 2) { printf("NBT UDP PACKET(138)"); return; } data = smb_fdata(data, "\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#", maxbuf, 0); if (data != NULL) { /* If there isn't enough data for "\377SMB", don't check for it. */ if (&data[3] >= maxbuf) goto out; if (memcmp(data, "\377SMB",4) == 0) print_smb(data, maxbuf); } out: printf("\n"); fflush(stdout); } /* print netbeui frames */ struct nbf_strings { const char *name; const char *nonverbose; const char *verbose; } nbf_strings[0x20] = { { "Add Group Name Query", ", [P23]Name to add=[n2]#", "[P5]ResponseCorrelator=[w]\n[P16]Name to add=[n2]\n" }, { "Add Name Query", ", [P23]Name to add=[n2]#", "[P5]ResponseCorrelator=[w]\n[P16]Name to add=[n2]\n" }, { "Name In Conflict", NULL, NULL }, { "Status Query", NULL, NULL }, { NULL, NULL, NULL }, /* not used */ { NULL, NULL, NULL }, /* not used */ { NULL, NULL, NULL }, /* not used */ { "Terminate Trace", NULL, NULL }, { "Datagram", NULL, "[P7]Destination=[n2]\nSource=[n2]\n" }, { "Broadcast Datagram", NULL, "[P7]Destination=[n2]\nSource=[n2]\n" }, { "Name Query", ", [P7]Name=[n2]#", "[P1]SessionNumber=[B]\nNameType=[B][P2]\nResponseCorrelator=[w]\nName=[n2]\nName of sender=[n2]\n" }, { NULL, NULL, NULL }, /* not used */ { NULL, NULL, NULL }, /* not used */ { "Add Name Response", ", [P1]GroupName=[w] [P4]Destination=[n2] Source=[n2]#", "AddNameInProcess=[B]\nGroupName=[w]\nTransmitCorrelator=[w][P2]\nDestination=[n2]\nSource=[n2]\n" }, { "Name Recognized", NULL, "[P1]Data2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nDestination=[n2]\nSource=[n2]\n" }, { "Status Response", NULL, NULL }, { NULL, NULL, NULL }, /* not used */ { NULL, NULL, NULL }, /* not used */ { NULL, NULL, NULL }, /* not used */ { "Terminate Trace", NULL, NULL }, { "Data Ack", NULL, "[P3]TransmitCorrelator=[w][P2]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" }, { "Data First/Middle", NULL, "Flags=[{RECEIVE_CONTINUE|NO_ACK||PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" }, { "Data Only/Last", NULL, "Flags=[{|NO_ACK|PIGGYBACK_ACK_ALLOWED|PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" }, { "Session Confirm", NULL, "Data1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" }, { "Session End", NULL, "[P1]Data2=[w][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" }, { "Session Initialize", NULL, "Data1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" }, { "No Receive", NULL, "Flags=[{|SEND_NO_ACK}]\nDataBytesAccepted=[b][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" }, { "Receive Outstanding", NULL, "[P1]DataBytesAccepted=[b][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" }, { "Receive Continue", NULL, "[P2]TransmitCorrelator=[w]\n[P2]RemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" }, { NULL, NULL, NULL }, /* not used */ { NULL, NULL, NULL }, /* not used */ { "Session Alive", NULL, NULL } }; void netbeui_print(u_short control, const u_char *data, int length) { const u_char *maxbuf = data + length; int len; int command; const u_char *data2; int is_truncated = 0; if (maxbuf > snapend) maxbuf = snapend; TCHECK(data[4]); len = EXTRACT_LE_16BITS(data); command = data[4]; data2 = data + len; if (data2 >= maxbuf) { data2 = maxbuf; is_truncated = 1; } startbuf = data; if (vflag < 2) { printf("NBF Packet: "); data = smb_fdata(data, "[P5]#", maxbuf, 0); } else { printf("\n>>> NBF Packet\nType=0x%X ", control); data = smb_fdata(data, "Length=[d] Signature=[w] Command=[B]\n#", maxbuf, 0); } if (data == NULL) goto out; if (command > 0x1f || nbf_strings[command].name == NULL) { if (vflag < 2) data = smb_fdata(data, "Unknown NBF Command#", data2, 0); else data = smb_fdata(data, "Unknown NBF Command\n", data2, 0); } else { if (vflag < 2) { printf("%s", nbf_strings[command].name); if (nbf_strings[command].nonverbose != NULL) data = smb_fdata(data, nbf_strings[command].nonverbose, data2, 0); } else { printf("%s:\n", nbf_strings[command].name); if (nbf_strings[command].verbose != NULL) data = smb_fdata(data, nbf_strings[command].verbose, data2, 0); else printf("\n"); } } if (vflag < 2) return; if (data == NULL) goto out; if (is_truncated) { /* data2 was past the end of the buffer */ goto out; } /* If this isn't a command that would contain an SMB message, quit. */ if (command != 0x08 && command != 0x09 && command != 0x15 && command != 0x16) goto out; /* If there isn't enough data for "\377SMB", don't look for it. */ if (&data2[3] >= maxbuf) goto out; if (memcmp(data2, "\377SMB",4) == 0) print_smb(data2, maxbuf); else { int i; for (i = 0; i < 128; i++) { if (&data2[i + 3] >= maxbuf) break; if (memcmp(&data2[i], "\377SMB", 4) == 0) { printf("found SMB packet at %d\n", i); print_smb(&data2[i], maxbuf); break; } } } out: printf("\n"); return; trunc: printf("[|SMB]"); return; } /* * print IPX-Netbios frames */ void ipx_netbios_print(const u_char *data, u_int length) { /* * this is a hack till I work out how to parse the rest of the * NetBIOS-over-IPX stuff */ int i; const u_char *maxbuf; maxbuf = data + length; /* Don't go past the end of the captured data in the packet. */ if (maxbuf > snapend) maxbuf = snapend; startbuf = data; for (i = 0; i < 128; i++) { if (&data[i + 4] > maxbuf) break; if (memcmp(&data[i], "\377SMB", 4) == 0) { smb_fdata(data, "\n>>> IPX transport ", &data[i], 0); if (data != NULL) print_smb(&data[i], maxbuf); printf("\n"); fflush(stdout); break; } } if (i == 128) smb_fdata(data, "\n>>> Unknown IPX ", maxbuf, 0); }