X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/c44d8840e1699dfaa63a74a19b1ace0f544802e4..refs/heads/mcr-macro-update-1:/print-smb.c diff --git a/print-smb.c b/print-smb.c index b0940dfe..bcd7363d 100644 --- a/print-smb.c +++ b/print-smb.c @@ -6,27 +6,26 @@ * or later */ -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif +/* \summary: SMB/CIFS printer */ -#ifndef lint -static const char rcsid[] _U_ = - "@(#) $Header: /tcpdump/master/tcpdump/print-smb.c,v 1.43 2005-05-08 19:59:57 guy Exp $"; +#ifdef HAVE_CONFIG_H +#include #endif -#include +#include "netdissect-stdinc.h" -#include #include -#include "interface.h" +#include "netdissect.h" #include "extract.h" #include "smb.h" + static int request = 0; static int unicodestr = 0; +extern const u_char *startbuf; + const u_char *startbuf = NULL; struct smbdescript { @@ -34,7 +33,7 @@ struct smbdescript { 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 *); + void (*fn)(netdissect_options *, const u_char *, const u_char *, const u_char *, const u_char *); }; struct smbdescriptint { @@ -42,7 +41,7 @@ struct smbdescriptint { const char *req_f2; const char *rep_f1; const char *rep_f2; - void (*fn)(const u_char *, const u_char *, int, int); + void (*fn)(netdissect_options *, const u_char *, const u_char *, u_int, u_int); }; struct smbfns @@ -65,8 +64,8 @@ struct smbfnsint #define FLG_CHAIN (1 << 0) -static struct smbfns * -smbfind(int id, struct smbfns *list) +static const struct smbfns * +smbfind(int id, const struct smbfns *list) { int sindex; @@ -77,8 +76,8 @@ smbfind(int id, struct smbfns *list) return(&list[0]); } -static struct smbfnsint * -smbfindint(int id, struct smbfnsint *list) +static const struct smbfnsint * +smbfindint(int id, const struct smbfnsint *list) { int sindex; @@ -90,65 +89,62 @@ smbfindint(int id, struct smbfnsint *list) } static void -trans2_findfirst(const u_char *param, const u_char *data, int pcnt, int dcnt) +trans2_findfirst(netdissect_options *ndo, + const u_char *param, const u_char *data, u_int pcnt, u_int dcnt) { const char *fmt; if (request) - fmt = "Attribute=[A]\nSearchCount=[d]\nFlags=[w]\nLevel=[dP4]\nFile=[S]\n"; + fmt = "Attribute=[A]\nSearchCount=[u]\nFlags=[w]\nLevel=[uP4]\nFile=[S]\n"; else - fmt = "Handle=[w]\nCount=[d]\nEOS=[w]\nEoffset=[d]\nLastNameOfs=[w]\n"; + fmt = "Handle=[w]\nCount=[u]\nEOS=[w]\nEoffset=[u]\nLastNameOfs=[w]\n"; - smb_fdata(param, fmt, param + pcnt, unicodestr); + smb_fdata(ndo, param, fmt, param + pcnt, unicodestr); if (dcnt) { - printf("data:\n"); - print_data(data, dcnt); + ND_PRINT("data:\n"); + smb_data_print(ndo, data, dcnt); } } static void -trans2_qfsinfo(const u_char *param, const u_char *data, int pcnt, int dcnt) +trans2_qfsinfo(netdissect_options *ndo, + const u_char *param, const u_char *data, u_int pcnt, u_int dcnt) { - static int level = 0; + static u_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); + level = GET_LE_U_2(param); + fmt = "InfoLevel=[u]\n"; + smb_fdata(ndo, param, fmt, param + pcnt, unicodestr); } else { switch (level) { case 1: - fmt = "idFileSystem=[W]\nSectorUnit=[D]\nUnit=[D]\nAvail=[D]\nSectorSize=[d]\n"; + fmt = "idFileSystem=[W]\nSectorUnit=[U]\nUnit=[U]\nAvail=[U]\nSectorSize=[u]\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"; + fmt = "Capabilities=[W]\nMaxFileLen=[U]\nVolNameLen=[lU]\nVolume=[C]\n"; break; default: fmt = "UnknownLevel\n"; break; } - smb_fdata(data, fmt, data + dcnt, unicodestr); + smb_fdata(ndo, data, fmt, data + dcnt, unicodestr); } if (dcnt) { - printf("data:\n"); - print_data(data, dcnt); + ND_PRINT("data:\n"); + smb_data_print(ndo, data, dcnt); } - return; -trunc: - printf("[|SMB]"); - return; } -struct smbfnsint trans2_fns[] = { +static const 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]", + { "Flags2=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]\nOFun=[w]\nSize=[U]\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", + "Handle=[u]\nAttrib=[A]\nTime=[T2]\nSize=[U]\nAccess=[w]\nType=[w]\nState=[w]\nAction=[w]\nInode=[W]\nOffErr=[u]\n|EALength=[u]\n", NULL, NULL }}, { 1, "TRANSACT2_FINDFIRST", 0, { NULL, NULL, NULL, NULL, trans2_findfirst }}, @@ -170,362 +166,350 @@ struct smbfnsint trans2_fns[] = { static void -print_trans2(const u_char *words, const u_char *dat, const u_char *buf, const u_char *maxbuf) +print_trans2(netdissect_options *ndo, + 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]; + static const 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; + u_int pcnt, dcnt; - TCHECK(words[0]); + ND_TCHECK_1(words); 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); + ND_TCHECK_2(w + (14 * 2)); + pcnt = GET_LE_U_2(w + 9 * 2); + param = buf + GET_LE_U_2(w + 10 * 2); + dcnt = GET_LE_U_2(w + 11 * 2); + data = buf + GET_LE_U_2(w + 12 * 2); + fn = smbfindint(GET_LE_U_2(w + 14 * 2), trans2_fns); } else { - if (words[0] == 0) { - printf("%s\n", fn->name); - printf("Trans2Interim\n"); + if (GET_U_1(words) == 0) { + ND_PRINT("%s\n", fn->name); + ND_PRINT("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); + ND_TCHECK_2(w + (7 * 2)); + pcnt = GET_LE_U_2(w + 3 * 2); + param = buf + GET_LE_U_2(w + 4 * 2); + dcnt = GET_LE_U_2(w + 6 * 2); + data = buf + GET_LE_U_2(w + 7 * 2); } - printf("%s param_length=%d data_length=%d\n", fn->name, pcnt, dcnt); + ND_PRINT("%s param_length=%u data_length=%u\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", + if (GET_U_1(words) == 8) { + smb_fdata(ndo, words + 1, + "Trans2Secondary\nTotParam=[u]\nTotData=[u]\nParamCnt=[u]\nParamOff=[u]\nParamDisp=[u]\nDataCnt=[u]\nDataOff=[u]\nDataDisp=[u]\nHandle=[u]\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", + smb_fdata(ndo, words + 1, + "TotParam=[u]\nTotData=[u]\nMaxParam=[u]\nMaxData=[u]\nMaxSetup=[b][P1]\nFlags=[w]\nTimeOut=[D]\nRes1=[w]\nParamCnt=[u]\nParamOff=[u]\nDataCnt=[u]\nDataOff=[u]\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", + smb_fdata(ndo, words + 1, + "TotParam=[u]\nTotData=[u]\nRes1=[w]\nParamCnt=[u]\nParamOff=[u]\nParamDisp[u]\nDataCnt=[u]\nDataOff=[u]\nDataDisp=[u]\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); + bcc = GET_LE_U_2(dat); + ND_PRINT("smb_bcc=%u\n", bcc); if (fn->descript.fn) - (*fn->descript.fn)(param, data, pcnt, dcnt); + (*fn->descript.fn)(ndo, 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); + smb_fdata(ndo, param, f1 ? f1 : "Parameters=\n", param + pcnt, unicodestr); + smb_fdata(ndo, data, f2 ? f2 : "Data=\n", data + dcnt, unicodestr); } return; trunc: - printf("[|SMB]"); - return; + nd_print_trunc(ndo); } - static void -print_browse(const u_char *param, int paramlen, const u_char *data, int datalen) +print_browse(netdissect_options *ndo, + const u_char *param, u_int paramlen, const u_char *data, u_int datalen) { const u_char *maxbuf = data + datalen; - int command; + u_int command; - TCHECK(data[0]); - command = data[0]; + command = GET_U_1(data); - smb_fdata(param, "BROWSE PACKET\n|Param ", param+paramlen, unicodestr); + smb_fdata(ndo, 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", + data = smb_fdata(ndo, data, + "BROWSE PACKET:\nType=[B] (LocalMasterAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[u]\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", + data = smb_fdata(ndo, data, + "BROWSE PACKET:\nType=[B] (HostAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[u]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n", maxbuf, unicodestr); break; case 0x2: - data = smb_fdata(data, + data = smb_fdata(ndo, 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", + data = smb_fdata(ndo, data, + "BROWSE PACKET:\nType=[B] (WorkgroupAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[u]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nCommentPointer=[W]\nServerName=[S]\n", maxbuf, unicodestr); break; case 0x8: - data = smb_fdata(data, + data = smb_fdata(ndo, 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, + data = smb_fdata(ndo, data, "BROWSE PACKET:\nType=[B] (BecomeBackupBrowser)\nName=[S]\n", maxbuf, unicodestr); break; case 0x9: - data = smb_fdata(data, + data = smb_fdata(ndo, data, "BROWSE PACKET:\nType=[B] (GetBackupList)\nListCount?=[B]\nToken=[W]\n", maxbuf, unicodestr); break; case 0xa: - data = smb_fdata(data, + data = smb_fdata(ndo, data, "BROWSE PACKET:\nType=[B] (BackupListResponse)\nServerCount?=[B]\nToken=[W]\n*Name=[S]\n", maxbuf, unicodestr); break; case 0xd: - data = smb_fdata(data, + data = smb_fdata(ndo, data, "BROWSE PACKET:\nType=[B] (MasterAnnouncement)\nMasterName=[S]\n", maxbuf, unicodestr); break; case 0xe: - data = smb_fdata(data, + data = smb_fdata(ndo, data, "BROWSE PACKET:\nType=[B] (ResetBrowser)\nOptions=[B]\n", maxbuf, unicodestr); break; default: - data = smb_fdata(data, "Unknown Browser Frame ", maxbuf, unicodestr); + data = smb_fdata(ndo, 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) +print_ipc(netdissect_options *ndo, + const u_char *param, u_int paramlen, const u_char *data, u_int datalen) { if (paramlen) - smb_fdata(param, "Command=[w]\nStr1=[S]\nStr2=[S]\n", param + paramlen, + smb_fdata(ndo, param, "Command=[w]\nStr1=[S]\nStr2=[S]\n", param + paramlen, unicodestr); if (datalen) - smb_fdata(data, "IPC ", data + datalen, unicodestr); + smb_fdata(ndo, 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) +print_trans(netdissect_options *ndo, + 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; + u_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"; + ND_TCHECK_2(w + (12 * 2)); + paramlen = GET_LE_U_2(w + 9 * 2); + param = buf + GET_LE_U_2(w + 10 * 2); + datalen = GET_LE_U_2(w + 11 * 2); + data = buf + GET_LE_U_2(w + 12 * 2); + f1 = "TotParamCnt=[u]\nTotDataCnt=[u]\nMaxParmCnt=[u]\nMaxDataCnt=[u]\nMaxSCnt=[u]\nTransFlags=[w]\nRes1=[w]\nRes2=[w]\nRes3=[w]\nParamCnt=[u]\nParamOff=[u]\nDataCnt=[u]\nDataOff=[u]\nSUCnt=[u]\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"; + ND_TCHECK_2(w + (7 * 2)); + paramlen = GET_LE_U_2(w + 3 * 2); + param = buf + GET_LE_U_2(w + 4 * 2); + datalen = GET_LE_U_2(w + 6 * 2); + data = buf + GET_LE_U_2(w + 7 * 2); + f1 = "TotParamCnt=[u]\nTotDataCnt=[u]\nRes1=[u]\nParamCnt=[u]\nParamOff=[u]\nRes2=[u]\nDataCnt=[u]\nDataOff=[u]\nRes3=[u]\nLsetup=[u]\n"; f2 = "|Unknown "; f3 = "|Param "; f4 = "|Data "; } - smb_fdata(words + 1, f1, SMBMIN(words + 1 + 2 * words[0], maxbuf), - unicodestr); + smb_fdata(ndo, words + 1, f1, + ND_MIN(words + 1 + 2 * GET_U_1(words), maxbuf), + unicodestr); - TCHECK2(*data1, 2); - bcc = EXTRACT_LE_16BITS(data1); - printf("smb_bcc=%u\n", bcc); + bcc = GET_LE_U_2(data1); + ND_PRINT("smb_bcc=%u\n", bcc); if (bcc > 0) { - smb_fdata(data1 + 2, f2, maxbuf - (paramlen + datalen), unicodestr); + smb_fdata(ndo, data1 + 2, f2, maxbuf - (paramlen + datalen), unicodestr); - if (strcmp((const char *)(data1 + 2), "\\MAILSLOT\\BROWSE") == 0) { - print_browse(param, paramlen, data, datalen); +#define MAILSLOT_BROWSE_STR "\\MAILSLOT\\BROWSE" + ND_TCHECK_LEN(data1 + 2, strlen(MAILSLOT_BROWSE_STR) + 1); + if (strcmp((const char *)(data1 + 2), MAILSLOT_BROWSE_STR) == 0) { + print_browse(ndo, param, paramlen, data, datalen); return; } +#undef MAILSLOT_BROWSE_STR - if (strcmp((const char *)(data1 + 2), "\\PIPE\\LANMAN") == 0) { - print_ipc(param, paramlen, data, datalen); +#define PIPE_LANMAN_STR "\\PIPE\\LANMAN" + ND_TCHECK_LEN(data1 + 2, strlen(PIPE_LANMAN_STR) + 1); + if (strcmp((const char *)(data1 + 2), PIPE_LANMAN_STR) == 0) { + print_ipc(ndo, param, paramlen, data, datalen); return; } +#undef PIPE_LANMAN_STR if (paramlen) - smb_fdata(param, f3, SMBMIN(param + paramlen, maxbuf), unicodestr); + smb_fdata(ndo, param, f3, ND_MIN(param + paramlen, maxbuf), unicodestr); if (datalen) - smb_fdata(data, f4, SMBMIN(data + datalen, maxbuf), unicodestr); + smb_fdata(ndo, data, f4, ND_MIN(data + datalen, maxbuf), unicodestr); } return; trunc: - printf("[|SMB]"); - return; + nd_print_trunc(ndo); } static void -print_negprot(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf) +print_negprot(netdissect_options *ndo, + 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]; + wct = GET_U_1(words); if (request) f2 = "*|Dialect=[Y]\n"; else { if (wct == 1) - f1 = "Core Protocol\nDialectIndex=[d]"; + f1 = "Core Protocol\nDialectIndex=[u]"; 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="; + f1 = "NT1 Protocol\nDialectIndex=[u]\nSecMode=[B]\nMaxMux=[u]\nNumVcs=[u]\nMaxBuffer=[U]\nRawSize=[U]\nSessionKey=[W]\nCapabilities=[W]\nServerTime=[T3]TimeZone=[u]\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="; + f1 = "Coreplus/Lanman1/Lanman2 Protocol\nDialectIndex=[u]\nSecMode=[w]\nMaxXMit=[u]\nMaxMux=[u]\nMaxVcs=[u]\nBlkMode=[w]\nSessionKey=[W]\nServerTime=[T1]TimeZone=[u]\nRes=[W]\nCryptKey="; } if (f1) - smb_fdata(words + 1, f1, SMBMIN(words + 1 + wct * 2, maxbuf), + smb_fdata(ndo, words + 1, f1, ND_MIN(words + 1 + wct * 2, maxbuf), unicodestr); else - print_data(words + 1, SMBMIN(wct * 2, PTR_DIFF(maxbuf, words + 1))); + smb_data_print(ndo, words + 1, ND_MIN(wct * 2, ND_BYTES_BETWEEN(maxbuf, words + 1))); - TCHECK2(*data, 2); - bcc = EXTRACT_LE_16BITS(data); - printf("smb_bcc=%u\n", bcc); + bcc = GET_LE_U_2(data); + ND_PRINT("smb_bcc=%u\n", bcc); if (bcc > 0) { if (f2) - smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data), - maxbuf), unicodestr); + smb_fdata(ndo, data + 2, f2, ND_MIN(data + 2 + GET_LE_U_2(data), + maxbuf), unicodestr); else - print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2))); + smb_data_print(ndo, data + 2, + ND_MIN(GET_LE_U_2(data), ND_BYTES_BETWEEN(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) +print_sesssetup(netdissect_options *ndo, + 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]; + wct = GET_U_1(words); 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"; + f1 = "Com2=[w]\nOff2=[u]\nBufSize=[u]\nMpxMax=[u]\nVcNum=[u]\nSessionKey=[W]\nPassLen=[u]\nCryptLen=[u]\nCryptOff=[u]\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"; + f1 = "Com2=[B]\nRes1=[B]\nOff2=[u]\nMaxBuffer=[u]\nMaxMpx=[u]\nVcNumber=[u]\nSessionKey=[W]\nCaseInsensitivePasswordLength=[u]\nCaseSensitivePasswordLength=[u]\nRes=[W]\nCapabilities=[W]\nPass1&Pass2&Account&Domain&OS&LanMan=\n"; } else { if (wct == 3) { - f1 = "Com2=[w]\nOff2=[d]\nAction=[w]\n"; + f1 = "Com2=[w]\nOff2=[u]\nAction=[w]\n"; } else if (wct == 13) { - f1 = "Com2=[B]\nRes=[B]\nOff2=[d]\nAction=[w]\n"; + f1 = "Com2=[B]\nRes=[B]\nOff2=[u]\nAction=[w]\n"; f2 = "NativeOS=[S]\nNativeLanMan=[S]\nPrimaryDomain=[S]\n"; } } if (f1) - smb_fdata(words + 1, f1, SMBMIN(words + 1 + wct * 2, maxbuf), + smb_fdata(ndo, words + 1, f1, ND_MIN(words + 1 + wct * 2, maxbuf), unicodestr); else - print_data(words + 1, SMBMIN(wct * 2, PTR_DIFF(maxbuf, words + 1))); + smb_data_print(ndo, words + 1, ND_MIN(wct * 2, ND_BYTES_BETWEEN(maxbuf, words + 1))); - TCHECK2(*data, 2); - bcc = EXTRACT_LE_16BITS(data); - printf("smb_bcc=%u\n", bcc); + bcc = GET_LE_U_2(data); + ND_PRINT("smb_bcc=%u\n", bcc); if (bcc > 0) { if (f2) - smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data), - maxbuf), unicodestr); + smb_fdata(ndo, data + 2, f2, ND_MIN(data + 2 + GET_LE_U_2(data), + maxbuf), unicodestr); else - print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2))); + smb_data_print(ndo, data + 2, + ND_MIN(GET_LE_U_2(data), ND_BYTES_BETWEEN(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) +print_lockingandx(netdissect_options *ndo, + 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]; + wct = GET_U_1(words); 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"; + f1 = "Com2=[w]\nOff2=[u]\nHandle=[u]\nLockType=[w]\nTimeOut=[D]\nUnlockCount=[u]\nLockCount=[u]\n"; + if (GET_U_1(words + 7) & 0x10) + f2 = "*Process=[u]\n[P2]Offset=[M]\nLength=[M]\n"; else - f2 = "*Process=[d]\nOffset=[D]\nLength=[D]\n"; + f2 = "*Process=[u]\nOffset=[D]\nLength=[U]\n"; } else { - f1 = "Com2=[w]\nOff2=[d]\n"; + f1 = "Com2=[w]\nOff2=[u]\n"; } - maxwords = SMBMIN(words + 1 + wct * 2, maxbuf); + maxwords = ND_MIN(words + 1 + wct * 2, maxbuf); if (wct) - smb_fdata(words + 1, f1, maxwords, unicodestr); + smb_fdata(ndo, words + 1, f1, maxwords, unicodestr); - TCHECK2(*data, 2); - bcc = EXTRACT_LE_16BITS(data); - printf("smb_bcc=%u\n", bcc); + bcc = GET_LE_U_2(data); + ND_PRINT("smb_bcc=%u\n", bcc); if (bcc > 0) { if (f2) - smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data), - maxbuf), unicodestr); + smb_fdata(ndo, data + 2, f2, ND_MIN(data + 2 + GET_LE_U_2(data), + maxbuf), unicodestr); else - print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2))); + smb_data_print(ndo, data + 2, + ND_MIN(GET_LE_U_2(data), ND_BYTES_BETWEEN(maxbuf, data + 2))); } - return; -trunc: - printf("[|SMB]"); - return; } -static struct smbfns smb_fns[] = { +static const 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, + "MaxXmit=[u]\nTreeId=[u]\n", NULL, NULL } }, { SMBtdis, "SMBtdis", 0, DEFDESCRIPT }, @@ -533,15 +517,15 @@ static struct smbfns smb_fns[] = { { SMBioctl, "SMBioctl", 0, DEFDESCRIPT }, { SMBecho, "SMBecho", 0, - { "ReverbCount=[d]\n", NULL, - "SequenceNum=[d]\n", NULL, + { "ReverbCount=[u]\n", NULL, + "SequenceNum=[u]\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, + "Attribute=[A]\nTime=[T2]Size=[U]\nRes=([w,w,w,w,w])\n", NULL, NULL } }, { SMBsetatr, "SMBsetatr", 0, @@ -552,36 +536,36 @@ static struct smbfns smb_fns[] = { { 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", + { "Count=[u]\nAttrib=[A]\n", + "Path=[Z]\nBlkType=[B]\nBlkLen=[u]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[u]\nSrv2=[w]\nRes2=[W]\n", + "Count=[u]\n", + "BlkType=[B]\nBlkLen=[u]\n*\nRes1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[u]\nSrv2=[w]\nRes2=[W]\nAttrib=[a]\nTime=[T1]Size=[U]\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", + "Handle=[u]\nOAttrib=[A]\nTime=[T2]Size=[U]\nAccess=[w]\n", NULL, NULL } }, { SMBcreate, "SMBcreate", 0, - { "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } }, + { "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[u]\n", NULL, NULL } }, { SMBmknew, "SMBmknew", 0, - { "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } }, + { "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[u]\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 } }, + { "Handle=[u]\nByteCount=[u]\nOffset=[D]\nCountLeft=[u]\n", NULL, + "Count=[u]\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 } }, + { "Handle=[u]\nByteCount=[u]\nOffset=[D]\nCountLeft=[u]\n", NULL, + "Count=[u]\n", NULL, NULL } }, { SMBclose, "SMBclose", 0, - { "Handle=[d]\nTime=[T2]", NULL, NULL, NULL, NULL } }, + { "Handle=[u]\nTime=[T2]", NULL, NULL, NULL, NULL } }, { SMBmkdir, "SMBmkdir", 0, { NULL, "Path=[Z]\n", NULL, NULL, NULL } }, @@ -591,7 +575,7 @@ static struct smbfns smb_fns[] = { { SMBdskattr, "SMBdskattr", 0, { NULL, NULL, - "TotalUnits=[d]\nBlocksPerUnit=[d]\nBlockSize=[d]\nFreeUnits=[d]\nMedia=[w]\n", + "TotalUnits=[u]\nBlocksPerUnit=[u]\nBlockSize=[u]\nFreeUnits=[u]\nMedia=[w]\n", NULL, NULL } }, { SMBmv, "SMBmv", 0, @@ -604,147 +588,147 @@ static struct smbfns smb_fns[] = { { 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 } }, + { "Handle=[u]\nMode=[w]\nOffset=[D]\n", "Offset=[D]\n", NULL, NULL, NULL } }, - { SMBflush, "SMBflush", 0, { "Handle=[d]\n", NULL, NULL, NULL, NULL } }, + { SMBflush, "SMBflush", 0, { "Handle=[u]\n", NULL, NULL, NULL, NULL } }, { SMBsplopen, "SMBsplopen", 0, - { "SetupLen=[d]\nMode=[w]\n", "Ident=[Z]\n", "Handle=[d]\n", + { "SetupLen=[u]\nMode=[w]\n", "Ident=[Z]\n", "Handle=[u]\n", NULL, NULL } }, { SMBsplclose, "SMBsplclose", 0, - { "Handle=[d]\n", NULL, NULL, NULL, NULL } }, + { "Handle=[u]\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", + { "MaxCount=[u]\nStartIndex=[u]\n", NULL, + "Count=[u]\nIndex=[u]\n", + "*Time=[T2]Status=[B]\nJobID=[u]\nSize=[U]\nRes=[B]Name=[s16]\n", NULL } }, { SMBsplwr, "SMBsplwr", 0, - { "Handle=[d]\n", NULL, NULL, NULL, NULL } }, + { "Handle=[u]\n", NULL, NULL, NULL, NULL } }, { SMBlock, "SMBlock", 0, - { "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } }, + { "Handle=[u]\nCount=[U]\nOffset=[D]\n", NULL, NULL, NULL, NULL } }, { SMBunlock, "SMBunlock", 0, - { "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } }, + { "Handle=[u]\nCount=[U]\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", + { "Handle=[u]\nOffset=[D]\nMaxCount=[u]\nMinCount=[u]\nTimeOut=[D]\nRes=[u]\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", + { "Handle=[u]\nTotalCount=[u]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\n|DataSize=[u]\nDataOff=[u]\n", NULL, "WriteRawAck", NULL, NULL } }, { SMBwritec, "SMBwritec", 0, - { NULL, NULL, "Count=[d]\n", NULL, NULL } }, + { NULL, NULL, "Count=[u]\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 } }, + { "Handle=[u]\nCount=[u]\nOffset=[D]\nTime=[T2]Res=([w,w,w,w,w,w])", + NULL, "Count=[u]\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 } }, + { "Handle=[u]\nByteCount=[u]\nOffset=[D]\nCountLeft=[u]\n", NULL, + "Count=[u]\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 } }, + { "Handle=[u]\nByteCount=[u]\nOffset=[D]\nCountLeft=[u]\n", NULL, + "Count=[u]\n", NULL, NULL } }, { SMBreadBmpx, "SMBreadBmpx", 0, - { "Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[w]\n", + { "Handle=[u]\nOffset=[D]\nMaxCount=[u]\nMinCount=[u]\nTimeOut=[D]\nRes=[w]\n", NULL, - "Offset=[D]\nTotCount=[d]\nRemaining=[d]\nRes=([w,w])\nDataSize=[d]\nDataOff=[d]\n", + "Offset=[D]\nTotCount=[u]\nRemaining=[u]\nRes=([w,w])\nDataSize=[u]\nDataOff=[u]\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 } }, + { "Handle=[u]\nTotCount=[u]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\nDataSize=[u]\nDataOff=[u]\n", NULL, + "Remaining=[u]\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 } }, + { "Handle=[u]\nTotCount=[u]\nOffset=[D]\nRes=[W]\nDataSize=[u]\nDataOff=[u]\n", + NULL, "Count=[u]\n", NULL, NULL } }, { SMBsetattrE, "SMBsetattrE", 0, - { "Handle=[d]\nCreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]", NULL, + { "Handle=[u]\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", + { "Handle=[u]\n", NULL, + "CreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]Size=[U]\nAllocSize=[U]\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 } }, + { "TreeID2=[u]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n", + "CopyCount=[u]\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 } }, + { "TreeID2=[u]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n", + "MoveCount=[u]\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", + { "Com2=[w]\nOff2=[u]\nFlags=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]OFun=[w]\nSize=[U]\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", + "Com2=[w]\nOff2=[u]\nHandle=[u]\nAttrib=[A]\nTime=[T2]Size=[U]\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", + { "Com2=[w]\nOff2=[u]\nHandle=[u]\nOffset=[D]\nMaxCount=[u]\nMinCount=[u]\nTimeOut=[D]\nCountLeft=[u]\n", NULL, - "Com2=[w]\nOff2=[d]\nRemaining=[d]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\nRes=([w,w,w,w])\n", + "Com2=[w]\nOff2=[u]\nRemaining=[u]\nRes=[W]\nDataSize=[u]\nDataOff=[u]\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", + { "Com2=[w]\nOff2=[u]\nHandle=[u]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nCountLeft=[u]\nRes=[w]\nDataSize=[u]\nDataOff=[u]\n", NULL, - "Com2=[w]\nOff2=[d]\nCount=[d]\nRemaining=[d]\nRes=[W]\n", + "Com2=[w]\nOff2=[u]\nCount=[u]\nRemaining=[u]\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", + { "Count=[u]\nAttrib=[A]\n", + "Path=[Z]\nBlkType=[B]\nBlkLen=[u]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[u]\nSrv2=[w]\n", + "Count=[u]\n", + "BlkType=[B]\nBlkLen=[u]\n*\nRes1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[u]\nSrv2=[w]\nRes2=[W]\nAttrib=[a]\nTime=[T1]Size=[U]\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", + { "Count=[u]\nAttrib=[A]\n", + "Path=[Z]\nBlkType=[B]\nBlkLen=[u]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[u]\nSrv2=[w]\n", + "Count=[u]\n", + "BlkType=[B]\nBlkLen=[u]\n*\nRes1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[u]\nSrv2=[w]\nRes2=[W]\nAttrib=[a]\nTime=[T1]Size=[U]\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", + { "Count=[u]\nAttrib=[A]\n", + "Path=[Z]\nBlkType=[B]\nBlkLen=[u]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[u]\nSrv2=[w]\n", + "Count=[u]\n", + "BlkType=[B]\nBlkLen=[u]\n*\nRes1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[u]\nSrv2=[w]\nRes2=[W]\nAttrib=[a]\nTime=[T1]Size=[U]\nName=[s13]\n", NULL } }, { SMBfindnclose, "SMBfindnclose", 0, - { "Handle=[d]\n", NULL, NULL, NULL, NULL } }, + { "Handle=[u]\n", NULL, NULL, NULL, NULL } }, { SMBfindclose, "SMBfindclose", 0, - { "Handle=[d]\n", NULL, NULL, NULL, NULL } }, + { "Handle=[u]\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 } }, + { NULL, "Source=[Z]\nDest=[Z]\n", "GroupID=[u]\n", NULL, NULL } }, { SMBsendend, "SMBsendend", 0, - { "GroupID=[d]\n", NULL, NULL, NULL, NULL } }, + { "GroupID=[u]\n", NULL, NULL, NULL, NULL } }, { SMBsendtxt, "SMBsendtxt", 0, - { "GroupID=[d]\n", NULL, NULL, NULL, NULL } }, + { "GroupID=[u]\n", NULL, NULL, NULL, NULL } }, { SMBsendb, "SMBsendb", 0, { NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } }, @@ -760,8 +744,8 @@ static struct smbfns smb_fns[] = { { 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 } }, + { "Com2=[w]\nOff2=[u]\nFlags=[w]\nPassLen=[u]\nPasswd&Path&Device=\n", + NULL, "Com2=[w]\nOff2=[u]\n", "ServiceType=[R]\n", NULL } }, { SMBlockingX, "SMBlockingX", FLG_CHAIN, { NULL, NULL, NULL, NULL, print_lockingandx } }, @@ -777,9 +761,9 @@ static struct smbfns smb_fns[] = { { 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", + { "Com2=[w]\nOff2=[u]\nRes=[b]\nNameLen=[lu]\nFlags=[W]\nRootDirectoryFid=[U]\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", + "Com2=[w]\nOff2=[u]\nOplockLevel=[b]\nFid=[u]\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 }, @@ -792,47 +776,52 @@ static struct smbfns smb_fns[] = { * print a SMB message */ static void -print_smb(const u_char *buf, const u_char *maxbuf) +print_smb(netdissect_options *ndo, + const u_char *buf, const u_char *maxbuf) { - u_int16_t flags2; - int nterrcodes; - int command; - u_int32_t nterror; + uint16_t flags2; + u_int nterrcodes; + u_int command; + uint32_t nterror; const u_char *words, *maxwords, *data; - struct smbfns *fn; + const 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; + "[P4]SMB Command = [B]\nError class = [BP1]\nError code = [u]\nFlags1 = [B]\nFlags2 = [B][P13]\nTree ID = [u]\nProc ID = [u]\nUID = [u]\nMID = [u]\nWord Count = [b]\n"; + u_int smboffset; - TCHECK(buf[9]); - request = (buf[9] & 0x80) ? 0 : 1; - flags2 = EXTRACT_LE_16BITS(&buf[10]); - unicodestr = flags2 & 0x8000; - nterrcodes = flags2 & 0x4000; + ndo->ndo_protocol = "smb"; + + request = (GET_U_1(buf + 9) & 0x80) ? 0 : 1; startbuf = buf; - command = buf[4]; + command = GET_U_1(buf + 4); fn = smbfind(command, smb_fns); - if (vflag > 1) - printf("\n"); + if (ndo->ndo_vflag > 1) + ND_PRINT("\n"); - printf("SMB PACKET: %s (%s)\n", fn->name, request ? "REQUEST" : "REPLY"); + ND_PRINT("SMB PACKET: %s (%s)", fn->name, request ? "REQUEST" : "REPLY"); - if (vflag < 2) + if (ndo->ndo_vflag < 2) return; + ND_PRINT("\n"); + flags2 = GET_LE_U_2(buf + 10); + unicodestr = flags2 & 0x8000; + nterrcodes = flags2 & 0x4000; + /* print out the header */ - smb_fdata(buf, fmt_smbheader, buf + 33, unicodestr); + smb_fdata(ndo, buf, fmt_smbheader, buf + 33, unicodestr); if (nterrcodes) { - nterror = EXTRACT_LE_32BITS(&buf[5]); + nterror = GET_LE_U_4(buf + 5); if (nterror) - printf("NTError = %s\n", nt_errstr(nterror)); + ND_PRINT("NTError = %s\n", nt_errstr(nterror)); } else { - if (buf[5]) - printf("SMBError = %s\n", smb_errstr(buf[5], EXTRACT_LE_16BITS(&buf[7]))); + if (GET_U_1(buf + 5)) + ND_PRINT("SMBError = %s\n", smb_errstr(GET_U_1(buf + 5), + GET_LE_U_2(buf + 7))); } smboffset = 32; @@ -841,13 +830,12 @@ print_smb(const u_char *buf, const u_char *maxbuf) const char *f1, *f2; int wct; u_int bcc; - int newsmboffset; + u_int newsmboffset; words = buf + smboffset; - TCHECK(words[0]); - wct = words[0]; + wct = GET_U_1(words); data = words + 1 + wct * 2; - maxwords = SMBMIN(data, maxbuf); + maxwords = ND_MIN(data, maxbuf); if (request) { f1 = fn->descript.req_f1; @@ -857,34 +845,33 @@ print_smb(const u_char *buf, const u_char *maxbuf) f2 = fn->descript.rep_f2; } + smb_reset(); if (fn->descript.fn) - (*fn->descript.fn)(words, data, buf, maxbuf); + (*fn->descript.fn)(ndo, words, data, buf, maxbuf); else { if (wct) { if (f1) - smb_fdata(words + 1, f1, words + 1 + wct * 2, unicodestr); + smb_fdata(ndo, words + 1, f1, words + 1 + wct * 2, unicodestr); else { - int i; - int v; + u_int i; + u_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); + for (i = 0; words + 1 + 2 * i < maxwords; i++) { + v = GET_LE_U_2(words + 1 + 2 * i); + ND_PRINT("smb_vwv[%u]=%u (0x%X)\n", i, v, v); } } } - TCHECK2(*data, 2); - bcc = EXTRACT_LE_16BITS(data); - printf("smb_bcc=%u\n", bcc); + bcc = GET_LE_U_2(data); + ND_PRINT("smb_bcc=%u\n", bcc); if (f2) { if (bcc > 0) - smb_fdata(data + 2, f2, data + 2 + bcc, unicodestr); + smb_fdata(ndo, 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))); + ND_PRINT("smb_buf[]=\n"); + smb_data_print(ndo, data + 2, ND_MIN(bcc, ND_BYTES_BETWEEN(maxbuf, data + 2))); } } } @@ -893,29 +880,21 @@ print_smb(const u_char *buf, const u_char *maxbuf) break; if (wct == 0) break; - TCHECK(words[1]); - command = words[1]; + command = GET_U_1(words + 1); if (command == 0xFF) break; - TCHECK2(words[3], 2); - newsmboffset = EXTRACT_LE_16BITS(words + 3); + newsmboffset = GET_LE_U_2(words + 3); fn = smbfind(command, smb_fns); - printf("\nSMB PACKET: %s (%s) (CHAINED)\n", + ND_PRINT("\nSMB PACKET: %s (%s) (CHAINED)\n", fn->name, request ? "REQUEST" : "REPLY"); - if (newsmboffset < smboffset) { - printf("Bad andX offset: %u < %u\n", newsmboffset, smboffset); + if (newsmboffset <= smboffset) { + ND_PRINT("Bad andX offset: %u <= %u\n", newsmboffset, smboffset); break; } smboffset = newsmboffset; } - - printf("\n"); - return; -trunc: - printf("[|SMB]"); - return; } @@ -923,46 +902,48 @@ trunc: * print a NBT packet received across tcp on port 139 */ void -nbt_tcp_print(const u_char *data, int length) +nbt_tcp_print(netdissect_options *ndo, + const u_char *data, u_int length) { - int caplen; - int type; + u_int caplen; + u_int type; u_int nbt_len; const u_char *maxbuf; + ndo->ndo_protocol = "nbt_tcp"; if (length < 4) goto trunc; - if (snapend < data) + if (ndo->ndo_snapend < data) goto trunc; - caplen = snapend - data; + caplen = ND_BYTES_AVAILABLE_AFTER(data); if (caplen < 4) goto trunc; maxbuf = data + caplen; - type = data[0]; - nbt_len = EXTRACT_16BITS(data + 2); + type = GET_U_1(data); + nbt_len = GET_BE_U_2(data + 2); length -= 4; caplen -= 4; startbuf = data; - if (vflag < 2) { - printf(" NBT Session Packet: "); + if (ndo->ndo_vflag < 2) { + ND_PRINT(" NBT Session Packet: "); switch (type) { case 0x00: - printf("Session Message"); + ND_PRINT("Session Message"); break; case 0x81: - printf("Session Request"); + ND_PRINT("Session Request"); break; case 0x82: - printf("Session Granted"); + ND_PRINT("Session Granted"); break; case 0x83: { - int ecode; + u_int ecode; if (nbt_len < 4) goto trunc; @@ -970,95 +951,95 @@ nbt_tcp_print(const u_char *data, int length) goto trunc; if (caplen < 4) goto trunc; - ecode = data[4]; + ecode = GET_U_1(data + 4); - printf("Session Reject, "); + ND_PRINT("Session Reject, "); switch (ecode) { case 0x80: - printf("Not listening on called name"); + ND_PRINT("Not listening on called name"); break; case 0x81: - printf("Not listening for calling name"); + ND_PRINT("Not listening for calling name"); break; case 0x82: - printf("Called name not present"); + ND_PRINT("Called name not present"); break; case 0x83: - printf("Called name present, but insufficient resources"); + ND_PRINT("Called name present, but insufficient resources"); break; default: - printf("Unspecified error 0x%X", ecode); + ND_PRINT("Unspecified error 0x%X", ecode); break; } } break; case 0x85: - printf("Session Keepalive"); + ND_PRINT("Session Keepalive"); break; default: - data = smb_fdata(data, "Unknown packet type [rB]", maxbuf, 0); + data = smb_fdata(ndo, data, "Unknown packet type [rB]", maxbuf, 0); break; } } else { - printf ("\n>>> NBT Session Packet\n"); + ND_PRINT("\n>>> NBT Session Packet\n"); switch (type) { case 0x00: - data = smb_fdata(data, "[P1]NBT Session Message\nFlags=[B]\nLength=[rd]\n", + data = smb_fdata(ndo, data, "[P1]NBT Session Message\nFlags=[B]\nLength=[ru]\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"); + if (nbt_len > caplen) { + if (nbt_len > length) + ND_PRINT("WARNING: Packet is continued in later TCP segments\n"); else - printf("WARNING: Short packet. Try increasing the snap length by %d\n", + ND_PRINT("WARNING: Short packet. Try increasing the snap length by %u\n", nbt_len - caplen); } - print_smb(data, maxbuf > data + nbt_len ? data + nbt_len : maxbuf); + print_smb(ndo, data, maxbuf > data + nbt_len ? data + nbt_len : maxbuf); } else - printf("Session packet:(raw data or continuation?)\n"); + ND_PRINT("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", + data = smb_fdata(ndo, data, + "[P1]NBT Session Request\nFlags=[B]\nLength=[ru]\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); + data = smb_fdata(ndo, data, "[P1]NBT Session Granted\nFlags=[B]\nLength=[ru]\n", maxbuf, 0); break; case 0x83: { const u_char *origdata; - int ecode; + u_int ecode; origdata = data; - data = smb_fdata(data, "[P1]NBT SessionReject\nFlags=[B]\nLength=[rd]\nReason=[B]\n", + data = smb_fdata(ndo, data, "[P1]NBT SessionReject\nFlags=[B]\nLength=[ru]\nReason=[B]\n", maxbuf, 0); if (data == NULL) break; if (nbt_len >= 1 && caplen >= 1) { - ecode = origdata[4]; + ecode = GET_U_1(origdata + 4); switch (ecode) { case 0x80: - printf("Not listening on called name\n"); + ND_PRINT("Not listening on called name\n"); break; case 0x81: - printf("Not listening for calling name\n"); + ND_PRINT("Not listening for calling name\n"); break; case 0x82: - printf("Called name not present\n"); + ND_PRINT("Called name not present\n"); break; case 0x83: - printf("Called name present, but insufficient resources\n"); + ND_PRINT("Called name present, but insufficient resources\n"); break; default: - printf("Unspecified error 0x%X\n", ecode); + ND_PRINT("Unspecified error 0x%X\n", ecode); break; } } @@ -1066,88 +1047,72 @@ nbt_tcp_print(const u_char *data, int length) break; case 0x85: - data = smb_fdata(data, "[P1]NBT Session Keepalive\nFlags=[B]\nLength=[rd]\n", maxbuf, 0); + data = smb_fdata(ndo, data, "[P1]NBT Session Keepalive\nFlags=[B]\nLength=[ru]\n", maxbuf, 0); break; default: - data = smb_fdata(data, "NBT - Unknown packet type\nType=[B]\n", maxbuf, 0); + data = smb_fdata(ndo, data, "NBT - Unknown packet type\nType=[B]\n", maxbuf, 0); break; } - printf("\n"); - fflush(stdout); } return; trunc: - printf("[|SMB]"); - return; + nd_print_trunc(ndo); } +static const struct tok opcode_str[] = { + { 0, "QUERY" }, + { 5, "REGISTRATION" }, + { 6, "RELEASE" }, + { 7, "WACK" }, + { 8, "REFRESH(8)" }, + { 9, "REFRESH" }, + { 15, "MULTIHOMED REGISTRATION" }, + { 0, NULL } +}; /* * print a NBT packet received across udp on port 137 */ void -nbt_udp137_print(const u_char *data, int length) +nbt_udp137_print(netdissect_options *ndo, + const u_char *data, u_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; + u_int name_trn_id, response, opcode, nm_flags, rcode; + u_int qdcount, ancount, nscount, arcount; 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); + u_int total, i; + + ndo->ndo_protocol = "nbt_udp137"; + name_trn_id = GET_BE_U_2(data); + response = (GET_U_1(data + 2) >> 7); + opcode = (GET_U_1(data + 2) >> 3) & 0xF; + nm_flags = ((GET_U_1(data + 2) & 0x7) << 4) + (GET_U_1(data + 3) >> 4); + rcode = GET_U_1(data + 3) & 0xF; + qdcount = GET_BE_U_2(data + 4); + ancount = GET_BE_U_2(data + 6); + nscount = GET_BE_U_2(data + 8); + arcount = GET_BE_U_2(data + 10); startbuf = data; if (maxbuf <= data) return; - if (vflag > 1) - printf("\n>>> "); - - printf("NBT UDP PACKET(137): "); + if (ndo->ndo_vflag > 1) + ND_PRINT("\n>>> "); - 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); + ND_PRINT("NBT UDP PACKET(137): %s", tok2str(opcode_str, "OPUNKNOWN", opcode)); if (response) { - if (rcode) - printf("; NEGATIVE"); - else - printf("; POSITIVE"); + ND_PRINT("; %s", rcode ? "NEGATIVE" : "POSITIVE"); } + ND_PRINT("; %s; %s", response ? "RESPONSE" : "REQUEST", + (nm_flags & 1) ? "BROADCAST" : "UNICAST"); - if (response) - printf("; RESPONSE"); - else - printf("; REQUEST"); - - if (nm_flags & 1) - printf("; BROADCAST"); - else - printf("; UNICAST"); - - if (vflag < 2) + if (ndo->ndo_vflag < 2) return; - printf("\nTrnID=0x%X\nOpCode=%d\nNmFlags=0x%X\nRcode=%d\nQueryCount=%d\nAnswerCount=%d\nAuthorityCount=%d\nAddressRecCount=%d\n", + ND_PRINT("\nTrnID=0x%X\nOpCode=%u\nNmFlags=0x%X\nRcode=%u\nQueryCount=%u\nAnswerCount=%u\nAuthorityCount=%u\nAddressRecCount=%u\n", name_trn_id, opcode, nm_flags, rcode, qdcount, ancount, nscount, arcount); @@ -1156,14 +1121,14 @@ nbt_udp137_print(const u_char *data, int length) total = ancount + nscount + arcount; if (qdcount > 100 || total > 100) { - printf("Corrupt packet??\n"); + ND_PRINT("Corrupt packet??\n"); return; } if (qdcount) { - printf("QuestionRecords:\n"); + ND_PRINT("QuestionRecords:\n"); for (i = 0; i < qdcount; i++) { - p = smb_fdata(p, + p = smb_fdata(ndo, p, "|Name=[n1]\nQuestionType=[rw]\nQuestionClass=[rw]\n#", maxbuf, 0); if (p == NULL) @@ -1172,60 +1137,64 @@ nbt_udp137_print(const u_char *data, int length) } if (total) { - printf("\nResourceRecords:\n"); + ND_PRINT("\nResourceRecords:\n"); for (i = 0; i < total; i++) { - int rdlen; - int restype; + u_int rdlen; + u_int restype; - p = smb_fdata(p, "Name=[n1]\n#", maxbuf, 0); + p = smb_fdata(ndo, 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); + restype = GET_BE_U_2(p); + p = smb_fdata(ndo, p, "ResType=[rw]\nResClass=[rw]\nTTL=[rU]\n", p + 8, 0); if (p == NULL) goto out; - rdlen = EXTRACT_16BITS(p); - printf("ResourceLength=%d\nResourceData=\n", rdlen); + rdlen = GET_BE_U_2(p); + ND_PRINT("ResourceLength=%u\nResourceData=\n", rdlen); p += 2; if (rdlen == 6) { - p = smb_fdata(p, "AddrType=[rw]\nAddress=[b.b.b.b]\n", p + rdlen, 0); + p = smb_fdata(ndo, p, "AddrType=[rw]\nAddress=[b.b.b.b]\n", p + rdlen, 0); if (p == NULL) goto out; } else { if (restype == 0x21) { - int numnames; + u_int numnames; - TCHECK(*p); - numnames = p[0]; - p = smb_fdata(p, "NumNames=[B]\n", p + 1, 0); + numnames = GET_U_1(p); + p = smb_fdata(ndo, p, "NumNames=[B]\n", p + 1, 0); if (p == NULL) goto out; - while (numnames--) { - p = smb_fdata(p, "Name=[n2]\t#", maxbuf, 0); + while (numnames) { + p = smb_fdata(ndo, 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; + ND_TCHECK_1(p); + if (p >= maxbuf) + goto out; + if (GET_U_1(p) & 0x80) + ND_PRINT(" "); + switch (GET_U_1(p) & 0x60) { + case 0x00: ND_PRINT("B "); break; + case 0x20: ND_PRINT("P "); break; + case 0x40: ND_PRINT("M "); break; + case 0x60: ND_PRINT("_ "); break; } - if (p[0] & 0x10) - printf(" "); - if (p[0] & 0x08) - printf(" "); - if (p[0] & 0x04) - printf(" "); - if (p[0] & 0x02) - printf(" "); - printf("\n"); + if (GET_U_1(p) & 0x10) + ND_PRINT(" "); + if (GET_U_1(p) & 0x08) + ND_PRINT(" "); + if (GET_U_1(p) & 0x04) + ND_PRINT(" "); + if (GET_U_1(p) & 0x02) + ND_PRINT(" "); + ND_PRINT("\n"); p += 2; + numnames--; } } else { - print_data(p, min(rdlen, length - (p - data))); + if (p >= maxbuf) + goto out; + smb_data_print(ndo, p, ND_MIN(rdlen, length - ND_BYTES_BETWEEN(p, data))); p += rdlen; } } @@ -1233,60 +1202,100 @@ nbt_udp137_print(const u_char *data, int length) } if (p < maxbuf) - smb_fdata(p, "AdditionalData:\n", maxbuf, 0); + smb_fdata(ndo, p, "AdditionalData:\n", maxbuf, 0); out: - printf("\n"); - fflush(stdout); return; trunc: - printf("[|SMB]"); - return; + nd_print_trunc(ndo); } +/* + * Print an SMB-over-TCP packet received across tcp on port 445 + */ +void +smb_tcp_print(netdissect_options *ndo, + const u_char * data, u_int length) +{ + u_int caplen; + u_int smb_len; + const u_char *maxbuf; + ndo->ndo_protocol = "smb_tcp"; + if (length < 4) + goto trunc; + if (ndo->ndo_snapend < data) + goto trunc; + caplen = ND_BYTES_AVAILABLE_AFTER(data); + if (caplen < 4) + goto trunc; + maxbuf = data + caplen; + smb_len = GET_BE_U_3(data + 1); + length -= 4; + caplen -= 4; + + startbuf = data; + data += 4; + + if (smb_len >= 4 && caplen >= 4 && memcmp(data,"\377SMB",4) == 0) { + if (smb_len > caplen) { + if (smb_len > length) + ND_PRINT(" WARNING: Packet is continued in later TCP segments\n"); + else + ND_PRINT(" WARNING: Short packet. Try increasing the snap length by %u\n", + smb_len - caplen); + } else + ND_PRINT(" "); + print_smb(ndo, data, maxbuf > data + smb_len ? data + smb_len : maxbuf); + } else + ND_PRINT(" SMB-over-TCP packet:(raw data or continuation?)\n"); + return; +trunc: + nd_print_trunc(ndo); +} /* * print a NBT packet received across udp on port 138 */ void -nbt_udp138_print(const u_char *data, int length) +nbt_udp138_print(netdissect_options *ndo, + const u_char *data, u_int length) { const u_char *maxbuf = data + length; - if (maxbuf > snapend) - maxbuf = snapend; + ndo->ndo_protocol = "nbt_udp138"; + if (maxbuf > ndo->ndo_snapend) + maxbuf = ndo->ndo_snapend; if (maxbuf <= data) return; startbuf = data; - if (vflag < 2) { - printf("NBT UDP PACKET(138)"); + if (ndo->ndo_vflag < 2) { + ND_PRINT("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#", + data = smb_fdata(ndo, data, + "\n>>> NBT UDP PACKET(138) Res=[rw] ID=[rw] IP=[b.b.b.b] Port=[ru] Length=[ru] 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) + if ((data + 3) >= maxbuf) goto out; if (memcmp(data, "\377SMB",4) == 0) - print_smb(data, maxbuf); + print_smb(ndo, data, maxbuf); } out: - printf("\n"); - fflush(stdout); + return; } /* print netbeui frames */ -struct nbf_strings { +static struct nbf_strings { const char *name; const char *nonverbose; const char *verbose; @@ -1342,19 +1351,20 @@ struct nbf_strings { }; void -netbeui_print(u_short control, const u_char *data, int length) +netbeui_print(netdissect_options *ndo, + u_short control, const u_char *data, u_int length) { const u_char *maxbuf = data + length; - int len; - int command; + u_int len; + u_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]; + ndo->ndo_protocol = "netbeui"; + if (maxbuf > ndo->ndo_snapend) + maxbuf = ndo->ndo_snapend; + len = GET_LE_U_2(data); + command = GET_U_1(data + 4); data2 = data + len; if (data2 >= maxbuf) { data2 = maxbuf; @@ -1363,36 +1373,36 @@ netbeui_print(u_short control, const u_char *data, int length) startbuf = data; - if (vflag < 2) { - printf("NBF Packet: "); - data = smb_fdata(data, "[P5]#", maxbuf, 0); + if (ndo->ndo_vflag < 2) { + ND_PRINT("NBF Packet: "); + data = smb_fdata(ndo, 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); + ND_PRINT("\n>>> NBF Packet\nType=0x%X ", control); + data = smb_fdata(ndo, data, "Length=[u] 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); + if (ndo->ndo_vflag < 2) + data = smb_fdata(ndo, data, "Unknown NBF Command#", data2, 0); else - data = smb_fdata(data, "Unknown NBF Command\n", data2, 0); + data = smb_fdata(ndo, data, "Unknown NBF Command\n", data2, 0); } else { - if (vflag < 2) { - printf("%s", nbf_strings[command].name); + if (ndo->ndo_vflag < 2) { + ND_PRINT("%s", nbf_strings[command].name); if (nbf_strings[command].nonverbose != NULL) - data = smb_fdata(data, nbf_strings[command].nonverbose, data2, 0); + data = smb_fdata(ndo, data, nbf_strings[command].nonverbose, data2, 0); } else { - printf("%s:\n", nbf_strings[command].name); + ND_PRINT("%s:\n", nbf_strings[command].name); if (nbf_strings[command].verbose != NULL) - data = smb_fdata(data, nbf_strings[command].verbose, data2, 0); + data = smb_fdata(ndo, data, nbf_strings[command].verbose, data2, 0); else - printf("\n"); + ND_PRINT("\n"); } } - if (vflag < 2) + if (ndo->ndo_vflag < 2) return; if (data == NULL) @@ -1409,29 +1419,25 @@ netbeui_print(u_short control, const u_char *data, int length) goto out; /* If there isn't enough data for "\377SMB", don't look for it. */ - if (&data2[3] >= maxbuf) + if ((data2 + 3) >= maxbuf) goto out; if (memcmp(data2, "\377SMB",4) == 0) - print_smb(data2, maxbuf); + print_smb(ndo, data2, maxbuf); else { - int i; + u_int i; for (i = 0; i < 128; i++) { - if (&data2[i + 3] >= maxbuf) + 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); + if (memcmp(data2 + i, "\377SMB", 4) == 0) { + ND_PRINT("found SMB packet at %u\n", i); + print_smb(ndo, data2 + i, maxbuf); break; } } } out: - printf("\n"); - return; -trunc: - printf("[|SMB]"); return; } @@ -1440,32 +1446,31 @@ trunc: * print IPX-Netbios frames */ void -ipx_netbios_print(const u_char *data, u_int length) +ipx_netbios_print(netdissect_options *ndo, + 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; + u_int i; const u_char *maxbuf; + ndo->ndo_protocol = "ipx_netbios"; maxbuf = data + length; /* Don't go past the end of the captured data in the packet. */ - if (maxbuf > snapend) - maxbuf = snapend; + if (maxbuf > ndo->ndo_snapend) + maxbuf = ndo->ndo_snapend; startbuf = data; for (i = 0; i < 128; i++) { - if (&data[i + 4] > maxbuf) + 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); + if (memcmp(data + i, "\377SMB", 4) == 0) { + smb_fdata(ndo, data, "\n>>> IPX transport ", data + i, 0); + print_smb(ndo, data + i, maxbuf); break; } } if (i == 128) - smb_fdata(data, "\n>>> Unknown IPX ", maxbuf, 0); + smb_fdata(ndo, data, "\n>>> Unknown IPX ", maxbuf, 0); }