| 1 | /* |
| 2 | * Copyright (C) Andrew Tridgell 1995-1999 |
| 3 | * |
| 4 | * This software may be distributed either under the terms of the |
| 5 | * BSD-style license that accompanies tcpdump or the GNU GPL version 2 |
| 6 | * or later |
| 7 | */ |
| 8 | |
| 9 | /* \summary: SMB/CIFS printer */ |
| 10 | |
| 11 | #ifdef HAVE_CONFIG_H |
| 12 | #include <config.h> |
| 13 | #endif |
| 14 | |
| 15 | #include "netdissect-stdinc.h" |
| 16 | |
| 17 | #include <string.h> |
| 18 | |
| 19 | #include "netdissect.h" |
| 20 | #include "extract.h" |
| 21 | #include "smb.h" |
| 22 | |
| 23 | |
| 24 | static int request = 0; |
| 25 | static int unicodestr = 0; |
| 26 | |
| 27 | extern const u_char *startbuf; |
| 28 | |
| 29 | const u_char *startbuf = NULL; |
| 30 | |
| 31 | struct smbdescript { |
| 32 | const char *req_f1; |
| 33 | const char *req_f2; |
| 34 | const char *rep_f1; |
| 35 | const char *rep_f2; |
| 36 | void (*fn)(netdissect_options *, const u_char *, const u_char *, const u_char *, const u_char *); |
| 37 | }; |
| 38 | |
| 39 | struct smbdescriptint { |
| 40 | const char *req_f1; |
| 41 | const char *req_f2; |
| 42 | const char *rep_f1; |
| 43 | const char *rep_f2; |
| 44 | void (*fn)(netdissect_options *, const u_char *, const u_char *, u_int, u_int); |
| 45 | }; |
| 46 | |
| 47 | struct smbfns |
| 48 | { |
| 49 | int id; |
| 50 | const char *name; |
| 51 | int flags; |
| 52 | struct smbdescript descript; |
| 53 | }; |
| 54 | |
| 55 | struct smbfnsint |
| 56 | { |
| 57 | int id; |
| 58 | const char *name; |
| 59 | int flags; |
| 60 | struct smbdescriptint descript; |
| 61 | }; |
| 62 | |
| 63 | #define DEFDESCRIPT { NULL, NULL, NULL, NULL, NULL } |
| 64 | |
| 65 | #define FLG_CHAIN (1 << 0) |
| 66 | |
| 67 | static const struct smbfns * |
| 68 | smbfind(int id, const struct smbfns *list) |
| 69 | { |
| 70 | int sindex; |
| 71 | |
| 72 | for (sindex = 0; list[sindex].name; sindex++) |
| 73 | if (list[sindex].id == id) |
| 74 | return(&list[sindex]); |
| 75 | |
| 76 | return(&list[0]); |
| 77 | } |
| 78 | |
| 79 | static const struct smbfnsint * |
| 80 | smbfindint(int id, const struct smbfnsint *list) |
| 81 | { |
| 82 | int sindex; |
| 83 | |
| 84 | for (sindex = 0; list[sindex].name; sindex++) |
| 85 | if (list[sindex].id == id) |
| 86 | return(&list[sindex]); |
| 87 | |
| 88 | return(&list[0]); |
| 89 | } |
| 90 | |
| 91 | static void |
| 92 | trans2_findfirst(netdissect_options *ndo, |
| 93 | const u_char *param, const u_char *data, u_int pcnt, u_int dcnt) |
| 94 | { |
| 95 | const char *fmt; |
| 96 | |
| 97 | if (request) |
| 98 | fmt = "Attribute=[A]\nSearchCount=[u]\nFlags=[w]\nLevel=[uP4]\nFile=[S]\n"; |
| 99 | else |
| 100 | fmt = "Handle=[w]\nCount=[u]\nEOS=[w]\nEoffset=[u]\nLastNameOfs=[w]\n"; |
| 101 | |
| 102 | smb_fdata(ndo, param, fmt, param + pcnt, unicodestr); |
| 103 | if (dcnt) { |
| 104 | ND_PRINT("data:\n"); |
| 105 | smb_data_print(ndo, data, dcnt); |
| 106 | } |
| 107 | } |
| 108 | |
| 109 | static void |
| 110 | trans2_qfsinfo(netdissect_options *ndo, |
| 111 | const u_char *param, const u_char *data, u_int pcnt, u_int dcnt) |
| 112 | { |
| 113 | static u_int level = 0; |
| 114 | const char *fmt=""; |
| 115 | |
| 116 | if (request) { |
| 117 | level = GET_LE_U_2(param); |
| 118 | fmt = "InfoLevel=[u]\n"; |
| 119 | smb_fdata(ndo, param, fmt, param + pcnt, unicodestr); |
| 120 | } else { |
| 121 | switch (level) { |
| 122 | case 1: |
| 123 | fmt = "idFileSystem=[W]\nSectorUnit=[U]\nUnit=[U]\nAvail=[U]\nSectorSize=[u]\n"; |
| 124 | break; |
| 125 | case 2: |
| 126 | fmt = "CreationTime=[T2]VolNameLength=[lb]\nVolumeLabel=[c]\n"; |
| 127 | break; |
| 128 | case 0x105: |
| 129 | fmt = "Capabilities=[W]\nMaxFileLen=[U]\nVolNameLen=[lU]\nVolume=[C]\n"; |
| 130 | break; |
| 131 | default: |
| 132 | fmt = "UnknownLevel\n"; |
| 133 | break; |
| 134 | } |
| 135 | smb_fdata(ndo, data, fmt, data + dcnt, unicodestr); |
| 136 | } |
| 137 | if (dcnt) { |
| 138 | ND_PRINT("data:\n"); |
| 139 | smb_data_print(ndo, data, dcnt); |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | static const struct smbfnsint trans2_fns[] = { |
| 144 | { 0, "TRANSACT2_OPEN", 0, |
| 145 | { "Flags2=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]\nOFun=[w]\nSize=[U]\nRes=([w, w, w, w, w])\nPath=[S]", |
| 146 | NULL, |
| 147 | "Handle=[u]\nAttrib=[A]\nTime=[T2]\nSize=[U]\nAccess=[w]\nType=[w]\nState=[w]\nAction=[w]\nInode=[W]\nOffErr=[u]\n|EALength=[u]\n", |
| 148 | NULL, NULL }}, |
| 149 | { 1, "TRANSACT2_FINDFIRST", 0, |
| 150 | { NULL, NULL, NULL, NULL, trans2_findfirst }}, |
| 151 | { 2, "TRANSACT2_FINDNEXT", 0, DEFDESCRIPT }, |
| 152 | { 3, "TRANSACT2_QFSINFO", 0, |
| 153 | { NULL, NULL, NULL, NULL, trans2_qfsinfo }}, |
| 154 | { 4, "TRANSACT2_SETFSINFO", 0, DEFDESCRIPT }, |
| 155 | { 5, "TRANSACT2_QPATHINFO", 0, DEFDESCRIPT }, |
| 156 | { 6, "TRANSACT2_SETPATHINFO", 0, DEFDESCRIPT }, |
| 157 | { 7, "TRANSACT2_QFILEINFO", 0, DEFDESCRIPT }, |
| 158 | { 8, "TRANSACT2_SETFILEINFO", 0, DEFDESCRIPT }, |
| 159 | { 9, "TRANSACT2_FSCTL", 0, DEFDESCRIPT }, |
| 160 | { 10, "TRANSACT2_IOCTL", 0, DEFDESCRIPT }, |
| 161 | { 11, "TRANSACT2_FINDNOTIFYFIRST", 0, DEFDESCRIPT }, |
| 162 | { 12, "TRANSACT2_FINDNOTIFYNEXT", 0, DEFDESCRIPT }, |
| 163 | { 13, "TRANSACT2_MKDIR", 0, DEFDESCRIPT }, |
| 164 | { -1, NULL, 0, DEFDESCRIPT } |
| 165 | }; |
| 166 | |
| 167 | |
| 168 | static void |
| 169 | print_trans2(netdissect_options *ndo, |
| 170 | const u_char *words, const u_char *dat, const u_char *buf, const u_char *maxbuf) |
| 171 | { |
| 172 | u_int bcc; |
| 173 | static const struct smbfnsint *fn = &trans2_fns[0]; |
| 174 | const u_char *data, *param; |
| 175 | const u_char *w = words + 1; |
| 176 | const char *f1 = NULL, *f2 = NULL; |
| 177 | u_int pcnt, dcnt; |
| 178 | |
| 179 | ND_TCHECK_1(words); |
| 180 | if (request) { |
| 181 | ND_TCHECK_2(w + (14 * 2)); |
| 182 | pcnt = GET_LE_U_2(w + 9 * 2); |
| 183 | param = buf + GET_LE_U_2(w + 10 * 2); |
| 184 | dcnt = GET_LE_U_2(w + 11 * 2); |
| 185 | data = buf + GET_LE_U_2(w + 12 * 2); |
| 186 | fn = smbfindint(GET_LE_U_2(w + 14 * 2), trans2_fns); |
| 187 | } else { |
| 188 | if (GET_U_1(words) == 0) { |
| 189 | ND_PRINT("%s\n", fn->name); |
| 190 | ND_PRINT("Trans2Interim\n"); |
| 191 | return; |
| 192 | } |
| 193 | ND_TCHECK_2(w + (7 * 2)); |
| 194 | pcnt = GET_LE_U_2(w + 3 * 2); |
| 195 | param = buf + GET_LE_U_2(w + 4 * 2); |
| 196 | dcnt = GET_LE_U_2(w + 6 * 2); |
| 197 | data = buf + GET_LE_U_2(w + 7 * 2); |
| 198 | } |
| 199 | |
| 200 | ND_PRINT("%s param_length=%u data_length=%u\n", fn->name, pcnt, dcnt); |
| 201 | |
| 202 | if (request) { |
| 203 | if (GET_U_1(words) == 8) { |
| 204 | smb_fdata(ndo, words + 1, |
| 205 | "Trans2Secondary\nTotParam=[u]\nTotData=[u]\nParamCnt=[u]\nParamOff=[u]\nParamDisp=[u]\nDataCnt=[u]\nDataOff=[u]\nDataDisp=[u]\nHandle=[u]\n", |
| 206 | maxbuf, unicodestr); |
| 207 | return; |
| 208 | } else { |
| 209 | smb_fdata(ndo, words + 1, |
| 210 | "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", |
| 211 | words + 1 + 14 * 2, unicodestr); |
| 212 | } |
| 213 | f1 = fn->descript.req_f1; |
| 214 | f2 = fn->descript.req_f2; |
| 215 | } else { |
| 216 | smb_fdata(ndo, words + 1, |
| 217 | "TotParam=[u]\nTotData=[u]\nRes1=[w]\nParamCnt=[u]\nParamOff=[u]\nParamDisp[u]\nDataCnt=[u]\nDataOff=[u]\nDataDisp=[u]\nSetupCnt=[b][P1]\n", |
| 218 | words + 1 + 10 * 2, unicodestr); |
| 219 | f1 = fn->descript.rep_f1; |
| 220 | f2 = fn->descript.rep_f2; |
| 221 | } |
| 222 | |
| 223 | bcc = GET_LE_U_2(dat); |
| 224 | ND_PRINT("smb_bcc=%u\n", bcc); |
| 225 | if (fn->descript.fn) |
| 226 | (*fn->descript.fn)(ndo, param, data, pcnt, dcnt); |
| 227 | else { |
| 228 | smb_fdata(ndo, param, f1 ? f1 : "Parameters=\n", param + pcnt, unicodestr); |
| 229 | smb_fdata(ndo, data, f2 ? f2 : "Data=\n", data + dcnt, unicodestr); |
| 230 | } |
| 231 | return; |
| 232 | trunc: |
| 233 | nd_print_trunc(ndo); |
| 234 | } |
| 235 | |
| 236 | static void |
| 237 | print_browse(netdissect_options *ndo, |
| 238 | const u_char *param, u_int paramlen, const u_char *data, u_int datalen) |
| 239 | { |
| 240 | const u_char *maxbuf = data + datalen; |
| 241 | u_int command; |
| 242 | |
| 243 | command = GET_U_1(data); |
| 244 | |
| 245 | smb_fdata(ndo, param, "BROWSE PACKET\n|Param ", param+paramlen, unicodestr); |
| 246 | |
| 247 | switch (command) { |
| 248 | case 0xF: |
| 249 | data = smb_fdata(ndo, data, |
| 250 | "BROWSE PACKET:\nType=[B] (LocalMasterAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[u]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n", |
| 251 | maxbuf, unicodestr); |
| 252 | break; |
| 253 | |
| 254 | case 0x1: |
| 255 | data = smb_fdata(ndo, data, |
| 256 | "BROWSE PACKET:\nType=[B] (HostAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[u]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n", |
| 257 | maxbuf, unicodestr); |
| 258 | break; |
| 259 | |
| 260 | case 0x2: |
| 261 | data = smb_fdata(ndo, data, |
| 262 | "BROWSE PACKET:\nType=[B] (AnnouncementRequest)\nFlags=[B]\nReplySystemName=[S]\n", |
| 263 | maxbuf, unicodestr); |
| 264 | break; |
| 265 | |
| 266 | case 0xc: |
| 267 | data = smb_fdata(ndo, data, |
| 268 | "BROWSE PACKET:\nType=[B] (WorkgroupAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[u]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nCommentPointer=[W]\nServerName=[S]\n", |
| 269 | maxbuf, unicodestr); |
| 270 | break; |
| 271 | |
| 272 | case 0x8: |
| 273 | data = smb_fdata(ndo, data, |
| 274 | "BROWSE PACKET:\nType=[B] (ElectionFrame)\nElectionVersion=[B]\nOSSummary=[W]\nUptime=[(W, W)]\nServerName=[S]\n", |
| 275 | maxbuf, unicodestr); |
| 276 | break; |
| 277 | |
| 278 | case 0xb: |
| 279 | data = smb_fdata(ndo, data, |
| 280 | "BROWSE PACKET:\nType=[B] (BecomeBackupBrowser)\nName=[S]\n", |
| 281 | maxbuf, unicodestr); |
| 282 | break; |
| 283 | |
| 284 | case 0x9: |
| 285 | data = smb_fdata(ndo, data, |
| 286 | "BROWSE PACKET:\nType=[B] (GetBackupList)\nListCount?=[B]\nToken=[W]\n", |
| 287 | maxbuf, unicodestr); |
| 288 | break; |
| 289 | |
| 290 | case 0xa: |
| 291 | data = smb_fdata(ndo, data, |
| 292 | "BROWSE PACKET:\nType=[B] (BackupListResponse)\nServerCount?=[B]\nToken=[W]\n*Name=[S]\n", |
| 293 | maxbuf, unicodestr); |
| 294 | break; |
| 295 | |
| 296 | case 0xd: |
| 297 | data = smb_fdata(ndo, data, |
| 298 | "BROWSE PACKET:\nType=[B] (MasterAnnouncement)\nMasterName=[S]\n", |
| 299 | maxbuf, unicodestr); |
| 300 | break; |
| 301 | |
| 302 | case 0xe: |
| 303 | data = smb_fdata(ndo, data, |
| 304 | "BROWSE PACKET:\nType=[B] (ResetBrowser)\nOptions=[B]\n", maxbuf, unicodestr); |
| 305 | break; |
| 306 | |
| 307 | default: |
| 308 | data = smb_fdata(ndo, data, "Unknown Browser Frame ", maxbuf, unicodestr); |
| 309 | break; |
| 310 | } |
| 311 | } |
| 312 | |
| 313 | |
| 314 | static void |
| 315 | print_ipc(netdissect_options *ndo, |
| 316 | const u_char *param, u_int paramlen, const u_char *data, u_int datalen) |
| 317 | { |
| 318 | if (paramlen) |
| 319 | smb_fdata(ndo, param, "Command=[w]\nStr1=[S]\nStr2=[S]\n", param + paramlen, |
| 320 | unicodestr); |
| 321 | if (datalen) |
| 322 | smb_fdata(ndo, data, "IPC ", data + datalen, unicodestr); |
| 323 | } |
| 324 | |
| 325 | |
| 326 | static void |
| 327 | print_trans(netdissect_options *ndo, |
| 328 | const u_char *words, const u_char *data1, const u_char *buf, const u_char *maxbuf) |
| 329 | { |
| 330 | u_int bcc; |
| 331 | const char *f1, *f2, *f3, *f4; |
| 332 | const u_char *data, *param; |
| 333 | const u_char *w = words + 1; |
| 334 | u_int datalen, paramlen; |
| 335 | |
| 336 | if (request) { |
| 337 | ND_TCHECK_2(w + (12 * 2)); |
| 338 | paramlen = GET_LE_U_2(w + 9 * 2); |
| 339 | param = buf + GET_LE_U_2(w + 10 * 2); |
| 340 | datalen = GET_LE_U_2(w + 11 * 2); |
| 341 | data = buf + GET_LE_U_2(w + 12 * 2); |
| 342 | 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"; |
| 343 | f2 = "|Name=[S]\n"; |
| 344 | f3 = "|Param "; |
| 345 | f4 = "|Data "; |
| 346 | } else { |
| 347 | ND_TCHECK_2(w + (7 * 2)); |
| 348 | paramlen = GET_LE_U_2(w + 3 * 2); |
| 349 | param = buf + GET_LE_U_2(w + 4 * 2); |
| 350 | datalen = GET_LE_U_2(w + 6 * 2); |
| 351 | data = buf + GET_LE_U_2(w + 7 * 2); |
| 352 | f1 = "TotParamCnt=[u]\nTotDataCnt=[u]\nRes1=[u]\nParamCnt=[u]\nParamOff=[u]\nRes2=[u]\nDataCnt=[u]\nDataOff=[u]\nRes3=[u]\nLsetup=[u]\n"; |
| 353 | f2 = "|Unknown "; |
| 354 | f3 = "|Param "; |
| 355 | f4 = "|Data "; |
| 356 | } |
| 357 | |
| 358 | smb_fdata(ndo, words + 1, f1, |
| 359 | ND_MIN(words + 1 + 2 * GET_U_1(words), maxbuf), |
| 360 | unicodestr); |
| 361 | |
| 362 | bcc = GET_LE_U_2(data1); |
| 363 | ND_PRINT("smb_bcc=%u\n", bcc); |
| 364 | if (bcc > 0) { |
| 365 | smb_fdata(ndo, data1 + 2, f2, maxbuf - (paramlen + datalen), unicodestr); |
| 366 | |
| 367 | #define MAILSLOT_BROWSE_STR "\\MAILSLOT\\BROWSE" |
| 368 | ND_TCHECK_LEN(data1 + 2, strlen(MAILSLOT_BROWSE_STR) + 1); |
| 369 | if (strcmp((const char *)(data1 + 2), MAILSLOT_BROWSE_STR) == 0) { |
| 370 | print_browse(ndo, param, paramlen, data, datalen); |
| 371 | return; |
| 372 | } |
| 373 | #undef MAILSLOT_BROWSE_STR |
| 374 | |
| 375 | #define PIPE_LANMAN_STR "\\PIPE\\LANMAN" |
| 376 | ND_TCHECK_LEN(data1 + 2, strlen(PIPE_LANMAN_STR) + 1); |
| 377 | if (strcmp((const char *)(data1 + 2), PIPE_LANMAN_STR) == 0) { |
| 378 | print_ipc(ndo, param, paramlen, data, datalen); |
| 379 | return; |
| 380 | } |
| 381 | #undef PIPE_LANMAN_STR |
| 382 | |
| 383 | if (paramlen) |
| 384 | smb_fdata(ndo, param, f3, ND_MIN(param + paramlen, maxbuf), unicodestr); |
| 385 | if (datalen) |
| 386 | smb_fdata(ndo, data, f4, ND_MIN(data + datalen, maxbuf), unicodestr); |
| 387 | } |
| 388 | return; |
| 389 | trunc: |
| 390 | nd_print_trunc(ndo); |
| 391 | } |
| 392 | |
| 393 | |
| 394 | static void |
| 395 | print_negprot(netdissect_options *ndo, |
| 396 | const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf) |
| 397 | { |
| 398 | u_int wct, bcc; |
| 399 | const char *f1 = NULL, *f2 = NULL; |
| 400 | |
| 401 | wct = GET_U_1(words); |
| 402 | if (request) |
| 403 | f2 = "*|Dialect=[Y]\n"; |
| 404 | else { |
| 405 | if (wct == 1) |
| 406 | f1 = "Core Protocol\nDialectIndex=[u]"; |
| 407 | else if (wct == 17) |
| 408 | f1 = "NT1 Protocol\nDialectIndex=[u]\nSecMode=[B]\nMaxMux=[u]\nNumVcs=[u]\nMaxBuffer=[U]\nRawSize=[U]\nSessionKey=[W]\nCapabilities=[W]\nServerTime=[T3]TimeZone=[u]\nCryptKey="; |
| 409 | else if (wct == 13) |
| 410 | 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="; |
| 411 | } |
| 412 | |
| 413 | if (f1) |
| 414 | smb_fdata(ndo, words + 1, f1, ND_MIN(words + 1 + wct * 2, maxbuf), |
| 415 | unicodestr); |
| 416 | else |
| 417 | smb_data_print(ndo, words + 1, ND_MIN(wct * 2, ND_BYTES_BETWEEN(maxbuf, words + 1))); |
| 418 | |
| 419 | bcc = GET_LE_U_2(data); |
| 420 | ND_PRINT("smb_bcc=%u\n", bcc); |
| 421 | if (bcc > 0) { |
| 422 | if (f2) |
| 423 | smb_fdata(ndo, data + 2, f2, ND_MIN(data + 2 + GET_LE_U_2(data), |
| 424 | maxbuf), unicodestr); |
| 425 | else |
| 426 | smb_data_print(ndo, data + 2, |
| 427 | ND_MIN(GET_LE_U_2(data), ND_BYTES_BETWEEN(maxbuf, data + 2))); |
| 428 | } |
| 429 | } |
| 430 | |
| 431 | static void |
| 432 | print_sesssetup(netdissect_options *ndo, |
| 433 | const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf) |
| 434 | { |
| 435 | u_int wct, bcc; |
| 436 | const char *f1 = NULL, *f2 = NULL; |
| 437 | |
| 438 | wct = GET_U_1(words); |
| 439 | if (request) { |
| 440 | if (wct == 10) |
| 441 | f1 = "Com2=[w]\nOff2=[u]\nBufSize=[u]\nMpxMax=[u]\nVcNum=[u]\nSessionKey=[W]\nPassLen=[u]\nCryptLen=[u]\nCryptOff=[u]\nPass&Name=\n"; |
| 442 | else |
| 443 | 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"; |
| 444 | } else { |
| 445 | if (wct == 3) { |
| 446 | f1 = "Com2=[w]\nOff2=[u]\nAction=[w]\n"; |
| 447 | } else if (wct == 13) { |
| 448 | f1 = "Com2=[B]\nRes=[B]\nOff2=[u]\nAction=[w]\n"; |
| 449 | f2 = "NativeOS=[S]\nNativeLanMan=[S]\nPrimaryDomain=[S]\n"; |
| 450 | } |
| 451 | } |
| 452 | |
| 453 | if (f1) |
| 454 | smb_fdata(ndo, words + 1, f1, ND_MIN(words + 1 + wct * 2, maxbuf), |
| 455 | unicodestr); |
| 456 | else |
| 457 | smb_data_print(ndo, words + 1, ND_MIN(wct * 2, ND_BYTES_BETWEEN(maxbuf, words + 1))); |
| 458 | |
| 459 | bcc = GET_LE_U_2(data); |
| 460 | ND_PRINT("smb_bcc=%u\n", bcc); |
| 461 | if (bcc > 0) { |
| 462 | if (f2) |
| 463 | smb_fdata(ndo, data + 2, f2, ND_MIN(data + 2 + GET_LE_U_2(data), |
| 464 | maxbuf), unicodestr); |
| 465 | else |
| 466 | smb_data_print(ndo, data + 2, |
| 467 | ND_MIN(GET_LE_U_2(data), ND_BYTES_BETWEEN(maxbuf, data + 2))); |
| 468 | } |
| 469 | } |
| 470 | |
| 471 | static void |
| 472 | print_lockingandx(netdissect_options *ndo, |
| 473 | const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf) |
| 474 | { |
| 475 | u_int wct, bcc; |
| 476 | const u_char *maxwords; |
| 477 | const char *f1 = NULL, *f2 = NULL; |
| 478 | |
| 479 | wct = GET_U_1(words); |
| 480 | if (request) { |
| 481 | f1 = "Com2=[w]\nOff2=[u]\nHandle=[u]\nLockType=[w]\nTimeOut=[D]\nUnlockCount=[u]\nLockCount=[u]\n"; |
| 482 | if (GET_U_1(words + 7) & 0x10) |
| 483 | f2 = "*Process=[u]\n[P2]Offset=[M]\nLength=[M]\n"; |
| 484 | else |
| 485 | f2 = "*Process=[u]\nOffset=[D]\nLength=[U]\n"; |
| 486 | } else { |
| 487 | f1 = "Com2=[w]\nOff2=[u]\n"; |
| 488 | } |
| 489 | |
| 490 | maxwords = ND_MIN(words + 1 + wct * 2, maxbuf); |
| 491 | if (wct) |
| 492 | smb_fdata(ndo, words + 1, f1, maxwords, unicodestr); |
| 493 | |
| 494 | bcc = GET_LE_U_2(data); |
| 495 | ND_PRINT("smb_bcc=%u\n", bcc); |
| 496 | if (bcc > 0) { |
| 497 | if (f2) |
| 498 | smb_fdata(ndo, data + 2, f2, ND_MIN(data + 2 + GET_LE_U_2(data), |
| 499 | maxbuf), unicodestr); |
| 500 | else |
| 501 | smb_data_print(ndo, data + 2, |
| 502 | ND_MIN(GET_LE_U_2(data), ND_BYTES_BETWEEN(maxbuf, data + 2))); |
| 503 | } |
| 504 | } |
| 505 | |
| 506 | |
| 507 | static const struct smbfns smb_fns[] = { |
| 508 | { -1, "SMBunknown", 0, DEFDESCRIPT }, |
| 509 | |
| 510 | { SMBtcon, "SMBtcon", 0, |
| 511 | { NULL, "Path=[Z]\nPassword=[Z]\nDevice=[Z]\n", |
| 512 | "MaxXmit=[u]\nTreeId=[u]\n", NULL, |
| 513 | NULL } }, |
| 514 | |
| 515 | { SMBtdis, "SMBtdis", 0, DEFDESCRIPT }, |
| 516 | { SMBexit, "SMBexit", 0, DEFDESCRIPT }, |
| 517 | { SMBioctl, "SMBioctl", 0, DEFDESCRIPT }, |
| 518 | |
| 519 | { SMBecho, "SMBecho", 0, |
| 520 | { "ReverbCount=[u]\n", NULL, |
| 521 | "SequenceNum=[u]\n", NULL, |
| 522 | NULL } }, |
| 523 | |
| 524 | { SMBulogoffX, "SMBulogoffX", FLG_CHAIN, DEFDESCRIPT }, |
| 525 | |
| 526 | { SMBgetatr, "SMBgetatr", 0, |
| 527 | { NULL, "Path=[Z]\n", |
| 528 | "Attribute=[A]\nTime=[T2]Size=[U]\nRes=([w,w,w,w,w])\n", NULL, |
| 529 | NULL } }, |
| 530 | |
| 531 | { SMBsetatr, "SMBsetatr", 0, |
| 532 | { "Attribute=[A]\nTime=[T2]Res=([w,w,w,w,w])\n", "Path=[Z]\n", |
| 533 | NULL, NULL, NULL } }, |
| 534 | |
| 535 | { SMBchkpth, "SMBchkpth", 0, |
| 536 | { NULL, "Path=[Z]\n", NULL, NULL, NULL } }, |
| 537 | |
| 538 | { SMBsearch, "SMBsearch", 0, |
| 539 | { "Count=[u]\nAttrib=[A]\n", |
| 540 | "Path=[Z]\nBlkType=[B]\nBlkLen=[u]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[u]\nSrv2=[w]\nRes2=[W]\n", |
| 541 | "Count=[u]\n", |
| 542 | "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", |
| 543 | NULL } }, |
| 544 | |
| 545 | { SMBopen, "SMBopen", 0, |
| 546 | { "Mode=[w]\nAttribute=[A]\n", "Path=[Z]\n", |
| 547 | "Handle=[u]\nOAttrib=[A]\nTime=[T2]Size=[U]\nAccess=[w]\n", |
| 548 | NULL, NULL } }, |
| 549 | |
| 550 | { SMBcreate, "SMBcreate", 0, |
| 551 | { "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[u]\n", NULL, NULL } }, |
| 552 | |
| 553 | { SMBmknew, "SMBmknew", 0, |
| 554 | { "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[u]\n", NULL, NULL } }, |
| 555 | |
| 556 | { SMBunlink, "SMBunlink", 0, |
| 557 | { "Attrib=[A]\n", "Path=[Z]\n", NULL, NULL, NULL } }, |
| 558 | |
| 559 | { SMBread, "SMBread", 0, |
| 560 | { "Handle=[u]\nByteCount=[u]\nOffset=[D]\nCountLeft=[u]\n", NULL, |
| 561 | "Count=[u]\nRes=([w,w,w,w])\n", NULL, NULL } }, |
| 562 | |
| 563 | { SMBwrite, "SMBwrite", 0, |
| 564 | { "Handle=[u]\nByteCount=[u]\nOffset=[D]\nCountLeft=[u]\n", NULL, |
| 565 | "Count=[u]\n", NULL, NULL } }, |
| 566 | |
| 567 | { SMBclose, "SMBclose", 0, |
| 568 | { "Handle=[u]\nTime=[T2]", NULL, NULL, NULL, NULL } }, |
| 569 | |
| 570 | { SMBmkdir, "SMBmkdir", 0, |
| 571 | { NULL, "Path=[Z]\n", NULL, NULL, NULL } }, |
| 572 | |
| 573 | { SMBrmdir, "SMBrmdir", 0, |
| 574 | { NULL, "Path=[Z]\n", NULL, NULL, NULL } }, |
| 575 | |
| 576 | { SMBdskattr, "SMBdskattr", 0, |
| 577 | { NULL, NULL, |
| 578 | "TotalUnits=[u]\nBlocksPerUnit=[u]\nBlockSize=[u]\nFreeUnits=[u]\nMedia=[w]\n", |
| 579 | NULL, NULL } }, |
| 580 | |
| 581 | { SMBmv, "SMBmv", 0, |
| 582 | { "Attrib=[A]\n", "OldPath=[Z]\nNewPath=[Z]\n", NULL, NULL, NULL } }, |
| 583 | |
| 584 | /* |
| 585 | * this is a Pathworks specific call, allowing the |
| 586 | * changing of the root path |
| 587 | */ |
| 588 | { pSETDIR, "SMBsetdir", 0, { NULL, "Path=[Z]\n", NULL, NULL, NULL } }, |
| 589 | |
| 590 | { SMBlseek, "SMBlseek", 0, |
| 591 | { "Handle=[u]\nMode=[w]\nOffset=[D]\n", "Offset=[D]\n", NULL, NULL, NULL } }, |
| 592 | |
| 593 | { SMBflush, "SMBflush", 0, { "Handle=[u]\n", NULL, NULL, NULL, NULL } }, |
| 594 | |
| 595 | { SMBsplopen, "SMBsplopen", 0, |
| 596 | { "SetupLen=[u]\nMode=[w]\n", "Ident=[Z]\n", "Handle=[u]\n", |
| 597 | NULL, NULL } }, |
| 598 | |
| 599 | { SMBsplclose, "SMBsplclose", 0, |
| 600 | { "Handle=[u]\n", NULL, NULL, NULL, NULL } }, |
| 601 | |
| 602 | { SMBsplretq, "SMBsplretq", 0, |
| 603 | { "MaxCount=[u]\nStartIndex=[u]\n", NULL, |
| 604 | "Count=[u]\nIndex=[u]\n", |
| 605 | "*Time=[T2]Status=[B]\nJobID=[u]\nSize=[U]\nRes=[B]Name=[s16]\n", |
| 606 | NULL } }, |
| 607 | |
| 608 | { SMBsplwr, "SMBsplwr", 0, |
| 609 | { "Handle=[u]\n", NULL, NULL, NULL, NULL } }, |
| 610 | |
| 611 | { SMBlock, "SMBlock", 0, |
| 612 | { "Handle=[u]\nCount=[U]\nOffset=[D]\n", NULL, NULL, NULL, NULL } }, |
| 613 | |
| 614 | { SMBunlock, "SMBunlock", 0, |
| 615 | { "Handle=[u]\nCount=[U]\nOffset=[D]\n", NULL, NULL, NULL, NULL } }, |
| 616 | |
| 617 | /* CORE+ PROTOCOL FOLLOWS */ |
| 618 | |
| 619 | { SMBreadbraw, "SMBreadbraw", 0, |
| 620 | { "Handle=[u]\nOffset=[D]\nMaxCount=[u]\nMinCount=[u]\nTimeOut=[D]\nRes=[u]\n", |
| 621 | NULL, NULL, NULL, NULL } }, |
| 622 | |
| 623 | { SMBwritebraw, "SMBwritebraw", 0, |
| 624 | { "Handle=[u]\nTotalCount=[u]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\n|DataSize=[u]\nDataOff=[u]\n", |
| 625 | NULL, "WriteRawAck", NULL, NULL } }, |
| 626 | |
| 627 | { SMBwritec, "SMBwritec", 0, |
| 628 | { NULL, NULL, "Count=[u]\n", NULL, NULL } }, |
| 629 | |
| 630 | { SMBwriteclose, "SMBwriteclose", 0, |
| 631 | { "Handle=[u]\nCount=[u]\nOffset=[D]\nTime=[T2]Res=([w,w,w,w,w,w])", |
| 632 | NULL, "Count=[u]\n", NULL, NULL } }, |
| 633 | |
| 634 | { SMBlockread, "SMBlockread", 0, |
| 635 | { "Handle=[u]\nByteCount=[u]\nOffset=[D]\nCountLeft=[u]\n", NULL, |
| 636 | "Count=[u]\nRes=([w,w,w,w])\n", NULL, NULL } }, |
| 637 | |
| 638 | { SMBwriteunlock, "SMBwriteunlock", 0, |
| 639 | { "Handle=[u]\nByteCount=[u]\nOffset=[D]\nCountLeft=[u]\n", NULL, |
| 640 | "Count=[u]\n", NULL, NULL } }, |
| 641 | |
| 642 | { SMBreadBmpx, "SMBreadBmpx", 0, |
| 643 | { "Handle=[u]\nOffset=[D]\nMaxCount=[u]\nMinCount=[u]\nTimeOut=[D]\nRes=[w]\n", |
| 644 | NULL, |
| 645 | "Offset=[D]\nTotCount=[u]\nRemaining=[u]\nRes=([w,w])\nDataSize=[u]\nDataOff=[u]\n", |
| 646 | NULL, NULL } }, |
| 647 | |
| 648 | { SMBwriteBmpx, "SMBwriteBmpx", 0, |
| 649 | { "Handle=[u]\nTotCount=[u]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\nDataSize=[u]\nDataOff=[u]\n", NULL, |
| 650 | "Remaining=[u]\n", NULL, NULL } }, |
| 651 | |
| 652 | { SMBwriteBs, "SMBwriteBs", 0, |
| 653 | { "Handle=[u]\nTotCount=[u]\nOffset=[D]\nRes=[W]\nDataSize=[u]\nDataOff=[u]\n", |
| 654 | NULL, "Count=[u]\n", NULL, NULL } }, |
| 655 | |
| 656 | { SMBsetattrE, "SMBsetattrE", 0, |
| 657 | { "Handle=[u]\nCreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]", NULL, |
| 658 | NULL, NULL, NULL } }, |
| 659 | |
| 660 | { SMBgetattrE, "SMBgetattrE", 0, |
| 661 | { "Handle=[u]\n", NULL, |
| 662 | "CreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]Size=[U]\nAllocSize=[U]\nAttribute=[A]\n", |
| 663 | NULL, NULL } }, |
| 664 | |
| 665 | { SMBtranss, "SMBtranss", 0, DEFDESCRIPT }, |
| 666 | { SMBioctls, "SMBioctls", 0, DEFDESCRIPT }, |
| 667 | |
| 668 | { SMBcopy, "SMBcopy", 0, |
| 669 | { "TreeID2=[u]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n", |
| 670 | "CopyCount=[u]\n", "|ErrStr=[S]\n", NULL } }, |
| 671 | |
| 672 | { SMBmove, "SMBmove", 0, |
| 673 | { "TreeID2=[u]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n", |
| 674 | "MoveCount=[u]\n", "|ErrStr=[S]\n", NULL } }, |
| 675 | |
| 676 | { SMBopenX, "SMBopenX", FLG_CHAIN, |
| 677 | { "Com2=[w]\nOff2=[u]\nFlags=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]OFun=[w]\nSize=[U]\nTimeOut=[D]\nRes=[W]\n", |
| 678 | "Path=[S]\n", |
| 679 | "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", |
| 680 | NULL, NULL } }, |
| 681 | |
| 682 | { SMBreadX, "SMBreadX", FLG_CHAIN, |
| 683 | { "Com2=[w]\nOff2=[u]\nHandle=[u]\nOffset=[D]\nMaxCount=[u]\nMinCount=[u]\nTimeOut=[D]\nCountLeft=[u]\n", |
| 684 | NULL, |
| 685 | "Com2=[w]\nOff2=[u]\nRemaining=[u]\nRes=[W]\nDataSize=[u]\nDataOff=[u]\nRes=([w,w,w,w])\n", |
| 686 | NULL, NULL } }, |
| 687 | |
| 688 | { SMBwriteX, "SMBwriteX", FLG_CHAIN, |
| 689 | { "Com2=[w]\nOff2=[u]\nHandle=[u]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nCountLeft=[u]\nRes=[w]\nDataSize=[u]\nDataOff=[u]\n", |
| 690 | NULL, |
| 691 | "Com2=[w]\nOff2=[u]\nCount=[u]\nRemaining=[u]\nRes=[W]\n", |
| 692 | NULL, NULL } }, |
| 693 | |
| 694 | { SMBffirst, "SMBffirst", 0, |
| 695 | { "Count=[u]\nAttrib=[A]\n", |
| 696 | "Path=[Z]\nBlkType=[B]\nBlkLen=[u]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[u]\nSrv2=[w]\n", |
| 697 | "Count=[u]\n", |
| 698 | "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", |
| 699 | NULL } }, |
| 700 | |
| 701 | { SMBfunique, "SMBfunique", 0, |
| 702 | { "Count=[u]\nAttrib=[A]\n", |
| 703 | "Path=[Z]\nBlkType=[B]\nBlkLen=[u]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[u]\nSrv2=[w]\n", |
| 704 | "Count=[u]\n", |
| 705 | "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", |
| 706 | NULL } }, |
| 707 | |
| 708 | { SMBfclose, "SMBfclose", 0, |
| 709 | { "Count=[u]\nAttrib=[A]\n", |
| 710 | "Path=[Z]\nBlkType=[B]\nBlkLen=[u]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[u]\nSrv2=[w]\n", |
| 711 | "Count=[u]\n", |
| 712 | "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", |
| 713 | NULL } }, |
| 714 | |
| 715 | { SMBfindnclose, "SMBfindnclose", 0, |
| 716 | { "Handle=[u]\n", NULL, NULL, NULL, NULL } }, |
| 717 | |
| 718 | { SMBfindclose, "SMBfindclose", 0, |
| 719 | { "Handle=[u]\n", NULL, NULL, NULL, NULL } }, |
| 720 | |
| 721 | { SMBsends, "SMBsends", 0, |
| 722 | { NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } }, |
| 723 | |
| 724 | { SMBsendstrt, "SMBsendstrt", 0, |
| 725 | { NULL, "Source=[Z]\nDest=[Z]\n", "GroupID=[u]\n", NULL, NULL } }, |
| 726 | |
| 727 | { SMBsendend, "SMBsendend", 0, |
| 728 | { "GroupID=[u]\n", NULL, NULL, NULL, NULL } }, |
| 729 | |
| 730 | { SMBsendtxt, "SMBsendtxt", 0, |
| 731 | { "GroupID=[u]\n", NULL, NULL, NULL, NULL } }, |
| 732 | |
| 733 | { SMBsendb, "SMBsendb", 0, |
| 734 | { NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } }, |
| 735 | |
| 736 | { SMBfwdname, "SMBfwdname", 0, DEFDESCRIPT }, |
| 737 | { SMBcancelf, "SMBcancelf", 0, DEFDESCRIPT }, |
| 738 | { SMBgetmac, "SMBgetmac", 0, DEFDESCRIPT }, |
| 739 | |
| 740 | { SMBnegprot, "SMBnegprot", 0, |
| 741 | { NULL, NULL, NULL, NULL, print_negprot } }, |
| 742 | |
| 743 | { SMBsesssetupX, "SMBsesssetupX", FLG_CHAIN, |
| 744 | { NULL, NULL, NULL, NULL, print_sesssetup } }, |
| 745 | |
| 746 | { SMBtconX, "SMBtconX", FLG_CHAIN, |
| 747 | { "Com2=[w]\nOff2=[u]\nFlags=[w]\nPassLen=[u]\nPasswd&Path&Device=\n", |
| 748 | NULL, "Com2=[w]\nOff2=[u]\n", "ServiceType=[R]\n", NULL } }, |
| 749 | |
| 750 | { SMBlockingX, "SMBlockingX", FLG_CHAIN, |
| 751 | { NULL, NULL, NULL, NULL, print_lockingandx } }, |
| 752 | |
| 753 | { SMBtrans2, "SMBtrans2", 0, { NULL, NULL, NULL, NULL, print_trans2 } }, |
| 754 | |
| 755 | { SMBtranss2, "SMBtranss2", 0, DEFDESCRIPT }, |
| 756 | { SMBctemp, "SMBctemp", 0, DEFDESCRIPT }, |
| 757 | { SMBreadBs, "SMBreadBs", 0, DEFDESCRIPT }, |
| 758 | { SMBtrans, "SMBtrans", 0, { NULL, NULL, NULL, NULL, print_trans } }, |
| 759 | |
| 760 | { SMBnttrans, "SMBnttrans", 0, DEFDESCRIPT }, |
| 761 | { SMBnttranss, "SMBnttranss", 0, DEFDESCRIPT }, |
| 762 | |
| 763 | { SMBntcreateX, "SMBntcreateX", FLG_CHAIN, |
| 764 | { "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", |
| 765 | "Path=[C]\n", |
| 766 | "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", |
| 767 | NULL, NULL } }, |
| 768 | |
| 769 | { SMBntcancel, "SMBntcancel", 0, DEFDESCRIPT }, |
| 770 | |
| 771 | { -1, NULL, 0, DEFDESCRIPT } |
| 772 | }; |
| 773 | |
| 774 | |
| 775 | /* |
| 776 | * print a SMB message |
| 777 | */ |
| 778 | static void |
| 779 | print_smb(netdissect_options *ndo, |
| 780 | const u_char *buf, const u_char *maxbuf) |
| 781 | { |
| 782 | uint16_t flags2; |
| 783 | u_int nterrcodes; |
| 784 | u_int command; |
| 785 | uint32_t nterror; |
| 786 | const u_char *words, *maxwords, *data; |
| 787 | const struct smbfns *fn; |
| 788 | const char *fmt_smbheader = |
| 789 | "[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"; |
| 790 | u_int smboffset; |
| 791 | |
| 792 | ndo->ndo_protocol = "smb"; |
| 793 | |
| 794 | request = (GET_U_1(buf + 9) & 0x80) ? 0 : 1; |
| 795 | startbuf = buf; |
| 796 | |
| 797 | command = GET_U_1(buf + 4); |
| 798 | |
| 799 | fn = smbfind(command, smb_fns); |
| 800 | |
| 801 | if (ndo->ndo_vflag > 1) |
| 802 | ND_PRINT("\n"); |
| 803 | |
| 804 | ND_PRINT("SMB PACKET: %s (%s)", fn->name, request ? "REQUEST" : "REPLY"); |
| 805 | |
| 806 | if (ndo->ndo_vflag < 2) |
| 807 | return; |
| 808 | |
| 809 | ND_PRINT("\n"); |
| 810 | flags2 = GET_LE_U_2(buf + 10); |
| 811 | unicodestr = flags2 & 0x8000; |
| 812 | nterrcodes = flags2 & 0x4000; |
| 813 | |
| 814 | /* print out the header */ |
| 815 | smb_fdata(ndo, buf, fmt_smbheader, buf + 33, unicodestr); |
| 816 | |
| 817 | if (nterrcodes) { |
| 818 | nterror = GET_LE_U_4(buf + 5); |
| 819 | if (nterror) |
| 820 | ND_PRINT("NTError = %s\n", nt_errstr(nterror)); |
| 821 | } else { |
| 822 | if (GET_U_1(buf + 5)) |
| 823 | ND_PRINT("SMBError = %s\n", smb_errstr(GET_U_1(buf + 5), |
| 824 | GET_LE_U_2(buf + 7))); |
| 825 | } |
| 826 | |
| 827 | smboffset = 32; |
| 828 | |
| 829 | for (;;) { |
| 830 | const char *f1, *f2; |
| 831 | int wct; |
| 832 | u_int bcc; |
| 833 | u_int newsmboffset; |
| 834 | |
| 835 | words = buf + smboffset; |
| 836 | wct = GET_U_1(words); |
| 837 | data = words + 1 + wct * 2; |
| 838 | maxwords = ND_MIN(data, maxbuf); |
| 839 | |
| 840 | if (request) { |
| 841 | f1 = fn->descript.req_f1; |
| 842 | f2 = fn->descript.req_f2; |
| 843 | } else { |
| 844 | f1 = fn->descript.rep_f1; |
| 845 | f2 = fn->descript.rep_f2; |
| 846 | } |
| 847 | |
| 848 | smb_reset(); |
| 849 | if (fn->descript.fn) |
| 850 | (*fn->descript.fn)(ndo, words, data, buf, maxbuf); |
| 851 | else { |
| 852 | if (wct) { |
| 853 | if (f1) |
| 854 | smb_fdata(ndo, words + 1, f1, words + 1 + wct * 2, unicodestr); |
| 855 | else { |
| 856 | u_int i; |
| 857 | u_int v; |
| 858 | |
| 859 | for (i = 0; words + 1 + 2 * i < maxwords; i++) { |
| 860 | v = GET_LE_U_2(words + 1 + 2 * i); |
| 861 | ND_PRINT("smb_vwv[%u]=%u (0x%X)\n", i, v, v); |
| 862 | } |
| 863 | } |
| 864 | } |
| 865 | |
| 866 | bcc = GET_LE_U_2(data); |
| 867 | ND_PRINT("smb_bcc=%u\n", bcc); |
| 868 | if (f2) { |
| 869 | if (bcc > 0) |
| 870 | smb_fdata(ndo, data + 2, f2, data + 2 + bcc, unicodestr); |
| 871 | } else { |
| 872 | if (bcc > 0) { |
| 873 | ND_PRINT("smb_buf[]=\n"); |
| 874 | smb_data_print(ndo, data + 2, ND_MIN(bcc, ND_BYTES_BETWEEN(maxbuf, data + 2))); |
| 875 | } |
| 876 | } |
| 877 | } |
| 878 | |
| 879 | if ((fn->flags & FLG_CHAIN) == 0) |
| 880 | break; |
| 881 | if (wct == 0) |
| 882 | break; |
| 883 | command = GET_U_1(words + 1); |
| 884 | if (command == 0xFF) |
| 885 | break; |
| 886 | newsmboffset = GET_LE_U_2(words + 3); |
| 887 | |
| 888 | fn = smbfind(command, smb_fns); |
| 889 | |
| 890 | ND_PRINT("\nSMB PACKET: %s (%s) (CHAINED)\n", |
| 891 | fn->name, request ? "REQUEST" : "REPLY"); |
| 892 | if (newsmboffset <= smboffset) { |
| 893 | ND_PRINT("Bad andX offset: %u <= %u\n", newsmboffset, smboffset); |
| 894 | break; |
| 895 | } |
| 896 | smboffset = newsmboffset; |
| 897 | } |
| 898 | } |
| 899 | |
| 900 | |
| 901 | /* |
| 902 | * print a NBT packet received across tcp on port 139 |
| 903 | */ |
| 904 | void |
| 905 | nbt_tcp_print(netdissect_options *ndo, |
| 906 | const u_char *data, u_int length) |
| 907 | { |
| 908 | u_int caplen; |
| 909 | u_int type; |
| 910 | u_int nbt_len; |
| 911 | const u_char *maxbuf; |
| 912 | |
| 913 | ndo->ndo_protocol = "nbt_tcp"; |
| 914 | if (length < 4) |
| 915 | goto trunc; |
| 916 | if (ndo->ndo_snapend < data) |
| 917 | goto trunc; |
| 918 | caplen = ND_BYTES_AVAILABLE_AFTER(data); |
| 919 | if (caplen < 4) |
| 920 | goto trunc; |
| 921 | maxbuf = data + caplen; |
| 922 | type = GET_U_1(data); |
| 923 | nbt_len = GET_BE_U_2(data + 2); |
| 924 | length -= 4; |
| 925 | caplen -= 4; |
| 926 | |
| 927 | startbuf = data; |
| 928 | |
| 929 | if (ndo->ndo_vflag < 2) { |
| 930 | ND_PRINT(" NBT Session Packet: "); |
| 931 | switch (type) { |
| 932 | case 0x00: |
| 933 | ND_PRINT("Session Message"); |
| 934 | break; |
| 935 | |
| 936 | case 0x81: |
| 937 | ND_PRINT("Session Request"); |
| 938 | break; |
| 939 | |
| 940 | case 0x82: |
| 941 | ND_PRINT("Session Granted"); |
| 942 | break; |
| 943 | |
| 944 | case 0x83: |
| 945 | { |
| 946 | u_int ecode; |
| 947 | |
| 948 | if (nbt_len < 4) |
| 949 | goto trunc; |
| 950 | if (length < 4) |
| 951 | goto trunc; |
| 952 | if (caplen < 4) |
| 953 | goto trunc; |
| 954 | ecode = GET_U_1(data + 4); |
| 955 | |
| 956 | ND_PRINT("Session Reject, "); |
| 957 | switch (ecode) { |
| 958 | case 0x80: |
| 959 | ND_PRINT("Not listening on called name"); |
| 960 | break; |
| 961 | case 0x81: |
| 962 | ND_PRINT("Not listening for calling name"); |
| 963 | break; |
| 964 | case 0x82: |
| 965 | ND_PRINT("Called name not present"); |
| 966 | break; |
| 967 | case 0x83: |
| 968 | ND_PRINT("Called name present, but insufficient resources"); |
| 969 | break; |
| 970 | default: |
| 971 | ND_PRINT("Unspecified error 0x%X", ecode); |
| 972 | break; |
| 973 | } |
| 974 | } |
| 975 | break; |
| 976 | |
| 977 | case 0x85: |
| 978 | ND_PRINT("Session Keepalive"); |
| 979 | break; |
| 980 | |
| 981 | default: |
| 982 | data = smb_fdata(ndo, data, "Unknown packet type [rB]", maxbuf, 0); |
| 983 | break; |
| 984 | } |
| 985 | } else { |
| 986 | ND_PRINT("\n>>> NBT Session Packet\n"); |
| 987 | switch (type) { |
| 988 | case 0x00: |
| 989 | data = smb_fdata(ndo, data, "[P1]NBT Session Message\nFlags=[B]\nLength=[ru]\n", |
| 990 | data + 4, 0); |
| 991 | if (data == NULL) |
| 992 | break; |
| 993 | if (nbt_len >= 4 && caplen >= 4 && memcmp(data,"\377SMB",4) == 0) { |
| 994 | if (nbt_len > caplen) { |
| 995 | if (nbt_len > length) |
| 996 | ND_PRINT("WARNING: Packet is continued in later TCP segments\n"); |
| 997 | else |
| 998 | ND_PRINT("WARNING: Short packet. Try increasing the snap length by %u\n", |
| 999 | nbt_len - caplen); |
| 1000 | } |
| 1001 | print_smb(ndo, data, maxbuf > data + nbt_len ? data + nbt_len : maxbuf); |
| 1002 | } else |
| 1003 | ND_PRINT("Session packet:(raw data or continuation?)\n"); |
| 1004 | break; |
| 1005 | |
| 1006 | case 0x81: |
| 1007 | data = smb_fdata(ndo, data, |
| 1008 | "[P1]NBT Session Request\nFlags=[B]\nLength=[ru]\nDestination=[n1]\nSource=[n1]\n", |
| 1009 | maxbuf, 0); |
| 1010 | break; |
| 1011 | |
| 1012 | case 0x82: |
| 1013 | data = smb_fdata(ndo, data, "[P1]NBT Session Granted\nFlags=[B]\nLength=[ru]\n", maxbuf, 0); |
| 1014 | break; |
| 1015 | |
| 1016 | case 0x83: |
| 1017 | { |
| 1018 | const u_char *origdata; |
| 1019 | u_int ecode; |
| 1020 | |
| 1021 | origdata = data; |
| 1022 | data = smb_fdata(ndo, data, "[P1]NBT SessionReject\nFlags=[B]\nLength=[ru]\nReason=[B]\n", |
| 1023 | maxbuf, 0); |
| 1024 | if (data == NULL) |
| 1025 | break; |
| 1026 | if (nbt_len >= 1 && caplen >= 1) { |
| 1027 | ecode = GET_U_1(origdata + 4); |
| 1028 | switch (ecode) { |
| 1029 | case 0x80: |
| 1030 | ND_PRINT("Not listening on called name\n"); |
| 1031 | break; |
| 1032 | case 0x81: |
| 1033 | ND_PRINT("Not listening for calling name\n"); |
| 1034 | break; |
| 1035 | case 0x82: |
| 1036 | ND_PRINT("Called name not present\n"); |
| 1037 | break; |
| 1038 | case 0x83: |
| 1039 | ND_PRINT("Called name present, but insufficient resources\n"); |
| 1040 | break; |
| 1041 | default: |
| 1042 | ND_PRINT("Unspecified error 0x%X\n", ecode); |
| 1043 | break; |
| 1044 | } |
| 1045 | } |
| 1046 | } |
| 1047 | break; |
| 1048 | |
| 1049 | case 0x85: |
| 1050 | data = smb_fdata(ndo, data, "[P1]NBT Session Keepalive\nFlags=[B]\nLength=[ru]\n", maxbuf, 0); |
| 1051 | break; |
| 1052 | |
| 1053 | default: |
| 1054 | data = smb_fdata(ndo, data, "NBT - Unknown packet type\nType=[B]\n", maxbuf, 0); |
| 1055 | break; |
| 1056 | } |
| 1057 | } |
| 1058 | return; |
| 1059 | trunc: |
| 1060 | nd_print_trunc(ndo); |
| 1061 | } |
| 1062 | |
| 1063 | static const struct tok opcode_str[] = { |
| 1064 | { 0, "QUERY" }, |
| 1065 | { 5, "REGISTRATION" }, |
| 1066 | { 6, "RELEASE" }, |
| 1067 | { 7, "WACK" }, |
| 1068 | { 8, "REFRESH(8)" }, |
| 1069 | { 9, "REFRESH" }, |
| 1070 | { 15, "MULTIHOMED REGISTRATION" }, |
| 1071 | { 0, NULL } |
| 1072 | }; |
| 1073 | |
| 1074 | /* |
| 1075 | * print a NBT packet received across udp on port 137 |
| 1076 | */ |
| 1077 | void |
| 1078 | nbt_udp137_print(netdissect_options *ndo, |
| 1079 | const u_char *data, u_int length) |
| 1080 | { |
| 1081 | const u_char *maxbuf = data + length; |
| 1082 | u_int name_trn_id, response, opcode, nm_flags, rcode; |
| 1083 | u_int qdcount, ancount, nscount, arcount; |
| 1084 | const u_char *p; |
| 1085 | u_int total, i; |
| 1086 | |
| 1087 | ndo->ndo_protocol = "nbt_udp137"; |
| 1088 | name_trn_id = GET_BE_U_2(data); |
| 1089 | response = (GET_U_1(data + 2) >> 7); |
| 1090 | opcode = (GET_U_1(data + 2) >> 3) & 0xF; |
| 1091 | nm_flags = ((GET_U_1(data + 2) & 0x7) << 4) + (GET_U_1(data + 3) >> 4); |
| 1092 | rcode = GET_U_1(data + 3) & 0xF; |
| 1093 | qdcount = GET_BE_U_2(data + 4); |
| 1094 | ancount = GET_BE_U_2(data + 6); |
| 1095 | nscount = GET_BE_U_2(data + 8); |
| 1096 | arcount = GET_BE_U_2(data + 10); |
| 1097 | startbuf = data; |
| 1098 | |
| 1099 | if (maxbuf <= data) |
| 1100 | return; |
| 1101 | |
| 1102 | if (ndo->ndo_vflag > 1) |
| 1103 | ND_PRINT("\n>>> "); |
| 1104 | |
| 1105 | ND_PRINT("NBT UDP PACKET(137): %s", tok2str(opcode_str, "OPUNKNOWN", opcode)); |
| 1106 | if (response) { |
| 1107 | ND_PRINT("; %s", rcode ? "NEGATIVE" : "POSITIVE"); |
| 1108 | } |
| 1109 | ND_PRINT("; %s; %s", response ? "RESPONSE" : "REQUEST", |
| 1110 | (nm_flags & 1) ? "BROADCAST" : "UNICAST"); |
| 1111 | |
| 1112 | if (ndo->ndo_vflag < 2) |
| 1113 | return; |
| 1114 | |
| 1115 | ND_PRINT("\nTrnID=0x%X\nOpCode=%u\nNmFlags=0x%X\nRcode=%u\nQueryCount=%u\nAnswerCount=%u\nAuthorityCount=%u\nAddressRecCount=%u\n", |
| 1116 | name_trn_id, opcode, nm_flags, rcode, qdcount, ancount, nscount, |
| 1117 | arcount); |
| 1118 | |
| 1119 | p = data + 12; |
| 1120 | |
| 1121 | total = ancount + nscount + arcount; |
| 1122 | |
| 1123 | if (qdcount > 100 || total > 100) { |
| 1124 | ND_PRINT("Corrupt packet??\n"); |
| 1125 | return; |
| 1126 | } |
| 1127 | |
| 1128 | if (qdcount) { |
| 1129 | ND_PRINT("QuestionRecords:\n"); |
| 1130 | for (i = 0; i < qdcount; i++) { |
| 1131 | p = smb_fdata(ndo, p, |
| 1132 | "|Name=[n1]\nQuestionType=[rw]\nQuestionClass=[rw]\n#", |
| 1133 | maxbuf, 0); |
| 1134 | if (p == NULL) |
| 1135 | goto out; |
| 1136 | } |
| 1137 | } |
| 1138 | |
| 1139 | if (total) { |
| 1140 | ND_PRINT("\nResourceRecords:\n"); |
| 1141 | for (i = 0; i < total; i++) { |
| 1142 | u_int rdlen; |
| 1143 | u_int restype; |
| 1144 | |
| 1145 | p = smb_fdata(ndo, p, "Name=[n1]\n#", maxbuf, 0); |
| 1146 | if (p == NULL) |
| 1147 | goto out; |
| 1148 | restype = GET_BE_U_2(p); |
| 1149 | p = smb_fdata(ndo, p, "ResType=[rw]\nResClass=[rw]\nTTL=[rU]\n", p + 8, 0); |
| 1150 | if (p == NULL) |
| 1151 | goto out; |
| 1152 | rdlen = GET_BE_U_2(p); |
| 1153 | ND_PRINT("ResourceLength=%u\nResourceData=\n", rdlen); |
| 1154 | p += 2; |
| 1155 | if (rdlen == 6) { |
| 1156 | p = smb_fdata(ndo, p, "AddrType=[rw]\nAddress=[b.b.b.b]\n", p + rdlen, 0); |
| 1157 | if (p == NULL) |
| 1158 | goto out; |
| 1159 | } else { |
| 1160 | if (restype == 0x21) { |
| 1161 | u_int numnames; |
| 1162 | |
| 1163 | numnames = GET_U_1(p); |
| 1164 | p = smb_fdata(ndo, p, "NumNames=[B]\n", p + 1, 0); |
| 1165 | if (p == NULL) |
| 1166 | goto out; |
| 1167 | while (numnames) { |
| 1168 | p = smb_fdata(ndo, p, "Name=[n2]\t#", maxbuf, 0); |
| 1169 | if (p == NULL) |
| 1170 | goto out; |
| 1171 | ND_TCHECK_1(p); |
| 1172 | if (p >= maxbuf) |
| 1173 | goto out; |
| 1174 | if (GET_U_1(p) & 0x80) |
| 1175 | ND_PRINT("<GROUP> "); |
| 1176 | switch (GET_U_1(p) & 0x60) { |
| 1177 | case 0x00: ND_PRINT("B "); break; |
| 1178 | case 0x20: ND_PRINT("P "); break; |
| 1179 | case 0x40: ND_PRINT("M "); break; |
| 1180 | case 0x60: ND_PRINT("_ "); break; |
| 1181 | } |
| 1182 | if (GET_U_1(p) & 0x10) |
| 1183 | ND_PRINT("<DEREGISTERING> "); |
| 1184 | if (GET_U_1(p) & 0x08) |
| 1185 | ND_PRINT("<CONFLICT> "); |
| 1186 | if (GET_U_1(p) & 0x04) |
| 1187 | ND_PRINT("<ACTIVE> "); |
| 1188 | if (GET_U_1(p) & 0x02) |
| 1189 | ND_PRINT("<PERMANENT> "); |
| 1190 | ND_PRINT("\n"); |
| 1191 | p += 2; |
| 1192 | numnames--; |
| 1193 | } |
| 1194 | } else { |
| 1195 | if (p >= maxbuf) |
| 1196 | goto out; |
| 1197 | smb_data_print(ndo, p, ND_MIN(rdlen, length - ND_BYTES_BETWEEN(p, data))); |
| 1198 | p += rdlen; |
| 1199 | } |
| 1200 | } |
| 1201 | } |
| 1202 | } |
| 1203 | |
| 1204 | if (p < maxbuf) |
| 1205 | smb_fdata(ndo, p, "AdditionalData:\n", maxbuf, 0); |
| 1206 | |
| 1207 | out: |
| 1208 | return; |
| 1209 | trunc: |
| 1210 | nd_print_trunc(ndo); |
| 1211 | } |
| 1212 | |
| 1213 | /* |
| 1214 | * Print an SMB-over-TCP packet received across tcp on port 445 |
| 1215 | */ |
| 1216 | void |
| 1217 | smb_tcp_print(netdissect_options *ndo, |
| 1218 | const u_char * data, u_int length) |
| 1219 | { |
| 1220 | u_int caplen; |
| 1221 | u_int smb_len; |
| 1222 | const u_char *maxbuf; |
| 1223 | |
| 1224 | ndo->ndo_protocol = "smb_tcp"; |
| 1225 | if (length < 4) |
| 1226 | goto trunc; |
| 1227 | if (ndo->ndo_snapend < data) |
| 1228 | goto trunc; |
| 1229 | caplen = ND_BYTES_AVAILABLE_AFTER(data); |
| 1230 | if (caplen < 4) |
| 1231 | goto trunc; |
| 1232 | maxbuf = data + caplen; |
| 1233 | smb_len = GET_BE_U_3(data + 1); |
| 1234 | length -= 4; |
| 1235 | caplen -= 4; |
| 1236 | |
| 1237 | startbuf = data; |
| 1238 | data += 4; |
| 1239 | |
| 1240 | if (smb_len >= 4 && caplen >= 4 && memcmp(data,"\377SMB",4) == 0) { |
| 1241 | if (smb_len > caplen) { |
| 1242 | if (smb_len > length) |
| 1243 | ND_PRINT(" WARNING: Packet is continued in later TCP segments\n"); |
| 1244 | else |
| 1245 | ND_PRINT(" WARNING: Short packet. Try increasing the snap length by %u\n", |
| 1246 | smb_len - caplen); |
| 1247 | } else |
| 1248 | ND_PRINT(" "); |
| 1249 | print_smb(ndo, data, maxbuf > data + smb_len ? data + smb_len : maxbuf); |
| 1250 | } else |
| 1251 | ND_PRINT(" SMB-over-TCP packet:(raw data or continuation?)\n"); |
| 1252 | return; |
| 1253 | trunc: |
| 1254 | nd_print_trunc(ndo); |
| 1255 | } |
| 1256 | |
| 1257 | /* |
| 1258 | * print a NBT packet received across udp on port 138 |
| 1259 | */ |
| 1260 | void |
| 1261 | nbt_udp138_print(netdissect_options *ndo, |
| 1262 | const u_char *data, u_int length) |
| 1263 | { |
| 1264 | const u_char *maxbuf = data + length; |
| 1265 | |
| 1266 | ndo->ndo_protocol = "nbt_udp138"; |
| 1267 | if (maxbuf > ndo->ndo_snapend) |
| 1268 | maxbuf = ndo->ndo_snapend; |
| 1269 | if (maxbuf <= data) |
| 1270 | return; |
| 1271 | startbuf = data; |
| 1272 | |
| 1273 | if (ndo->ndo_vflag < 2) { |
| 1274 | ND_PRINT("NBT UDP PACKET(138)"); |
| 1275 | return; |
| 1276 | } |
| 1277 | |
| 1278 | data = smb_fdata(ndo, data, |
| 1279 | "\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#", |
| 1280 | maxbuf, 0); |
| 1281 | |
| 1282 | if (data != NULL) { |
| 1283 | /* If there isn't enough data for "\377SMB", don't check for it. */ |
| 1284 | if ((data + 3) >= maxbuf) |
| 1285 | goto out; |
| 1286 | |
| 1287 | if (memcmp(data, "\377SMB",4) == 0) |
| 1288 | print_smb(ndo, data, maxbuf); |
| 1289 | } |
| 1290 | out: |
| 1291 | return; |
| 1292 | } |
| 1293 | |
| 1294 | |
| 1295 | /* |
| 1296 | print netbeui frames |
| 1297 | */ |
| 1298 | static struct nbf_strings { |
| 1299 | const char *name; |
| 1300 | const char *nonverbose; |
| 1301 | const char *verbose; |
| 1302 | } nbf_strings[0x20] = { |
| 1303 | { "Add Group Name Query", ", [P23]Name to add=[n2]#", |
| 1304 | "[P5]ResponseCorrelator=[w]\n[P16]Name to add=[n2]\n" }, |
| 1305 | { "Add Name Query", ", [P23]Name to add=[n2]#", |
| 1306 | "[P5]ResponseCorrelator=[w]\n[P16]Name to add=[n2]\n" }, |
| 1307 | { "Name In Conflict", NULL, NULL }, |
| 1308 | { "Status Query", NULL, NULL }, |
| 1309 | { NULL, NULL, NULL }, /* not used */ |
| 1310 | { NULL, NULL, NULL }, /* not used */ |
| 1311 | { NULL, NULL, NULL }, /* not used */ |
| 1312 | { "Terminate Trace", NULL, NULL }, |
| 1313 | { "Datagram", NULL, |
| 1314 | "[P7]Destination=[n2]\nSource=[n2]\n" }, |
| 1315 | { "Broadcast Datagram", NULL, |
| 1316 | "[P7]Destination=[n2]\nSource=[n2]\n" }, |
| 1317 | { "Name Query", ", [P7]Name=[n2]#", |
| 1318 | "[P1]SessionNumber=[B]\nNameType=[B][P2]\nResponseCorrelator=[w]\nName=[n2]\nName of sender=[n2]\n" }, |
| 1319 | { NULL, NULL, NULL }, /* not used */ |
| 1320 | { NULL, NULL, NULL }, /* not used */ |
| 1321 | { "Add Name Response", ", [P1]GroupName=[w] [P4]Destination=[n2] Source=[n2]#", |
| 1322 | "AddNameInProcess=[B]\nGroupName=[w]\nTransmitCorrelator=[w][P2]\nDestination=[n2]\nSource=[n2]\n" }, |
| 1323 | { "Name Recognized", NULL, |
| 1324 | "[P1]Data2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nDestination=[n2]\nSource=[n2]\n" }, |
| 1325 | { "Status Response", NULL, NULL }, |
| 1326 | { NULL, NULL, NULL }, /* not used */ |
| 1327 | { NULL, NULL, NULL }, /* not used */ |
| 1328 | { NULL, NULL, NULL }, /* not used */ |
| 1329 | { "Terminate Trace", NULL, NULL }, |
| 1330 | { "Data Ack", NULL, |
| 1331 | "[P3]TransmitCorrelator=[w][P2]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" }, |
| 1332 | { "Data First/Middle", NULL, |
| 1333 | "Flags=[{RECEIVE_CONTINUE|NO_ACK||PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" }, |
| 1334 | { "Data Only/Last", NULL, |
| 1335 | "Flags=[{|NO_ACK|PIGGYBACK_ACK_ALLOWED|PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" }, |
| 1336 | { "Session Confirm", NULL, |
| 1337 | "Data1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" }, |
| 1338 | { "Session End", NULL, |
| 1339 | "[P1]Data2=[w][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" }, |
| 1340 | { "Session Initialize", NULL, |
| 1341 | "Data1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" }, |
| 1342 | { "No Receive", NULL, |
| 1343 | "Flags=[{|SEND_NO_ACK}]\nDataBytesAccepted=[b][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" }, |
| 1344 | { "Receive Outstanding", NULL, |
| 1345 | "[P1]DataBytesAccepted=[b][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" }, |
| 1346 | { "Receive Continue", NULL, |
| 1347 | "[P2]TransmitCorrelator=[w]\n[P2]RemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" }, |
| 1348 | { NULL, NULL, NULL }, /* not used */ |
| 1349 | { NULL, NULL, NULL }, /* not used */ |
| 1350 | { "Session Alive", NULL, NULL } |
| 1351 | }; |
| 1352 | |
| 1353 | void |
| 1354 | netbeui_print(netdissect_options *ndo, |
| 1355 | u_short control, const u_char *data, u_int length) |
| 1356 | { |
| 1357 | const u_char *maxbuf = data + length; |
| 1358 | u_int len; |
| 1359 | u_int command; |
| 1360 | const u_char *data2; |
| 1361 | int is_truncated = 0; |
| 1362 | |
| 1363 | ndo->ndo_protocol = "netbeui"; |
| 1364 | if (maxbuf > ndo->ndo_snapend) |
| 1365 | maxbuf = ndo->ndo_snapend; |
| 1366 | len = GET_LE_U_2(data); |
| 1367 | command = GET_U_1(data + 4); |
| 1368 | data2 = data + len; |
| 1369 | if (data2 >= maxbuf) { |
| 1370 | data2 = maxbuf; |
| 1371 | is_truncated = 1; |
| 1372 | } |
| 1373 | |
| 1374 | startbuf = data; |
| 1375 | |
| 1376 | if (ndo->ndo_vflag < 2) { |
| 1377 | ND_PRINT("NBF Packet: "); |
| 1378 | data = smb_fdata(ndo, data, "[P5]#", maxbuf, 0); |
| 1379 | } else { |
| 1380 | ND_PRINT("\n>>> NBF Packet\nType=0x%X ", control); |
| 1381 | data = smb_fdata(ndo, data, "Length=[u] Signature=[w] Command=[B]\n#", maxbuf, 0); |
| 1382 | } |
| 1383 | if (data == NULL) |
| 1384 | goto out; |
| 1385 | |
| 1386 | if (command > 0x1f || nbf_strings[command].name == NULL) { |
| 1387 | if (ndo->ndo_vflag < 2) |
| 1388 | data = smb_fdata(ndo, data, "Unknown NBF Command#", data2, 0); |
| 1389 | else |
| 1390 | data = smb_fdata(ndo, data, "Unknown NBF Command\n", data2, 0); |
| 1391 | } else { |
| 1392 | if (ndo->ndo_vflag < 2) { |
| 1393 | ND_PRINT("%s", nbf_strings[command].name); |
| 1394 | if (nbf_strings[command].nonverbose != NULL) |
| 1395 | data = smb_fdata(ndo, data, nbf_strings[command].nonverbose, data2, 0); |
| 1396 | } else { |
| 1397 | ND_PRINT("%s:\n", nbf_strings[command].name); |
| 1398 | if (nbf_strings[command].verbose != NULL) |
| 1399 | data = smb_fdata(ndo, data, nbf_strings[command].verbose, data2, 0); |
| 1400 | else |
| 1401 | ND_PRINT("\n"); |
| 1402 | } |
| 1403 | } |
| 1404 | |
| 1405 | if (ndo->ndo_vflag < 2) |
| 1406 | return; |
| 1407 | |
| 1408 | if (data == NULL) |
| 1409 | goto out; |
| 1410 | |
| 1411 | if (is_truncated) { |
| 1412 | /* data2 was past the end of the buffer */ |
| 1413 | goto out; |
| 1414 | } |
| 1415 | |
| 1416 | /* If this isn't a command that would contain an SMB message, quit. */ |
| 1417 | if (command != 0x08 && command != 0x09 && command != 0x15 && |
| 1418 | command != 0x16) |
| 1419 | goto out; |
| 1420 | |
| 1421 | /* If there isn't enough data for "\377SMB", don't look for it. */ |
| 1422 | if ((data2 + 3) >= maxbuf) |
| 1423 | goto out; |
| 1424 | |
| 1425 | if (memcmp(data2, "\377SMB",4) == 0) |
| 1426 | print_smb(ndo, data2, maxbuf); |
| 1427 | else { |
| 1428 | u_int i; |
| 1429 | for (i = 0; i < 128; i++) { |
| 1430 | if ((data2 + i + 3) >= maxbuf) |
| 1431 | break; |
| 1432 | if (memcmp(data2 + i, "\377SMB", 4) == 0) { |
| 1433 | ND_PRINT("found SMB packet at %u\n", i); |
| 1434 | print_smb(ndo, data2 + i, maxbuf); |
| 1435 | break; |
| 1436 | } |
| 1437 | } |
| 1438 | } |
| 1439 | |
| 1440 | out: |
| 1441 | return; |
| 1442 | } |
| 1443 | |
| 1444 | |
| 1445 | /* |
| 1446 | * print IPX-Netbios frames |
| 1447 | */ |
| 1448 | void |
| 1449 | ipx_netbios_print(netdissect_options *ndo, |
| 1450 | const u_char *data, u_int length) |
| 1451 | { |
| 1452 | /* |
| 1453 | * this is a hack till I work out how to parse the rest of the |
| 1454 | * NetBIOS-over-IPX stuff |
| 1455 | */ |
| 1456 | u_int i; |
| 1457 | const u_char *maxbuf; |
| 1458 | |
| 1459 | ndo->ndo_protocol = "ipx_netbios"; |
| 1460 | maxbuf = data + length; |
| 1461 | /* Don't go past the end of the captured data in the packet. */ |
| 1462 | if (maxbuf > ndo->ndo_snapend) |
| 1463 | maxbuf = ndo->ndo_snapend; |
| 1464 | startbuf = data; |
| 1465 | for (i = 0; i < 128; i++) { |
| 1466 | if ((data + i + 4) > maxbuf) |
| 1467 | break; |
| 1468 | if (memcmp(data + i, "\377SMB", 4) == 0) { |
| 1469 | smb_fdata(ndo, data, "\n>>> IPX transport ", data + i, 0); |
| 1470 | print_smb(ndo, data + i, maxbuf); |
| 1471 | break; |
| 1472 | } |
| 1473 | } |
| 1474 | if (i == 128) |
| 1475 | smb_fdata(ndo, data, "\n>>> Unknown IPX ", maxbuf, 0); |
| 1476 | } |