1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 27 /* 28 * This module provides functions for TRANS2_FIND_FIRST2 and 29 * TRANS2_FIND_NEXT2 requests. The requests allow the client to search 30 * for the file(s) which match the file specification. The search is 31 * started with TRANS2_FIND_FIRST2 and can be continued if necessary with 32 * TRANS2_FIND_NEXT2. There are numerous levels of information which may be 33 * obtained for the returned files, the desired level is specified in the 34 * InformationLevel field of the requests. 35 * 36 * InformationLevel Name Value 37 * ================================= ================ 38 * 39 * SMB_INFO_STANDARD 1 40 * SMB_INFO_QUERY_EA_SIZE 2 41 * SMB_INFO_QUERY_EAS_FROM_LIST 3 42 * SMB_FIND_FILE_DIRECTORY_INFO 0x101 43 * SMB_FIND_FILE_FULL_DIRECTORY_INFO 0x102 44 * SMB_FIND_FILE_NAMES_INFO 0x103 45 * SMB_FIND_FILE_BOTH_DIRECTORY_INFO 0x104 46 * SMB_FIND_FILE_ID_FULL_DIRECTORY_INFO 0x105 47 * SMB_FIND_FILE_ID_BOTH_DIRECTORY_INFO 0x106 48 * 49 * The following sections detail the data returned for each 50 * InformationLevel. The requested information is placed in the Data 51 * portion of the transaction response. Note: a client which does not 52 * support long names can only request SMB_INFO_STANDARD. 53 * 54 * A four-byte resume key precedes each data item (described below) if bit 55 * 2 in the Flags field is set, i.e. if the request indicates the server 56 * should return resume keys. Note: it is not always the case. If the 57 * data item already includes the resume key, the resume key should not be 58 * added again. 59 * 60 * 4.3.4.1 SMB_INFO_STANDARD 61 * 62 * Response Field Description 63 * ================================ ================================== 64 * 65 * SMB_DATE CreationDate; Date when file was created 66 * SMB_TIME CreationTime; Time when file was created 67 * SMB_DATE LastAccessDate; Date of last file access 68 * SMB_TIME LastAccessTime; Time of last file access 69 * SMB_DATE LastWriteDate; Date of last write to the file 70 * SMB_TIME LastWriteTime; Time of last write to the file 71 * ULONG DataSize; File Size 72 * ULONG AllocationSize; Size of filesystem allocation unit 73 * USHORT Attributes; File Attributes 74 * UCHAR FileNameLength; Length of filename in bytes 75 * STRING FileName; Name of found file 76 * 77 * 4.3.4.2 SMB_INFO_QUERY_EA_SIZE 78 * 79 * Response Field Description 80 * ================================= ================================== 81 * 82 * SMB_DATE CreationDate; Date when file was created 83 * SMB_TIME CreationTime; Time when file was created 84 * SMB_DATE LastAccessDate; Date of last file access 85 * SMB_TIME LastAccessTime; Time of last file access 86 * SMB_DATE LastWriteDate; Date of last write to the file 87 * SMB_TIME LastWriteTime; Time of last write to the file 88 * ULONG DataSize; File Size 89 * ULONG AllocationSize; Size of filesystem allocation unit 90 * USHORT Attributes; File Attributes 91 * ULONG EaSize; Size of file's EA information 92 * UCHAR FileNameLength; Length of filename in bytes 93 * STRING FileName; Name of found file 94 * 95 * 4.3.4.3 SMB_INFO_QUERY_EAS_FROM_LIST 96 * 97 * This request returns the same information as SMB_INFO_QUERY_EA_SIZE, but 98 * only for files which have an EA list which match the EA information in 99 * the Data part of the request. 100 * 101 * 4.3.4.4 SMB_FIND_FILE_DIRECTORY_INFO 102 * 103 * Response Field Description 104 * ================================= ================================== 105 * 106 * ULONG NextEntryOffset; Offset from this structure to 107 * beginning of next one 108 * ULONG FileIndex; 109 * LARGE_INTEGER CreationTime; file creation time 110 * LARGE_INTEGER LastAccessTime; last access time 111 * LARGE_INTEGER LastWriteTime; last write time 112 * LARGE_INTEGER ChangeTime; last attribute change time 113 * LARGE_INTEGER EndOfFile; file size 114 * LARGE_INTEGER AllocationSize; size of filesystem allocation information 115 * ULONG ExtFileAttributes; Extended file attributes 116 * (see section 3.11) 117 * ULONG FileNameLength; Length of filename in bytes 118 * STRING FileName; Name of the file 119 * 120 * 4.3.4.5 SMB_FIND_FILE_FULL_DIRECTORY_INFO 121 * 122 * Response Field Description 123 * ================================= ================================== 124 * 125 * ULONG NextEntryOffset; Offset from this structure to 126 * beginning of next one 127 * ULONG FileIndex; 128 * LARGE_INTEGER CreationTime; file creation time 129 * LARGE_INTEGER LastAccessTime; last access time 130 * LARGE_INTEGER LastWriteTime; last write time 131 * LARGE_INTEGER ChangeTime; last attribute change time 132 * LARGE_INTEGER EndOfFile; file size 133 * LARGE_INTEGER AllocationSize; size of filesystem allocation information 134 * ULONG ExtFileAttributes; Extended file attributes 135 * (see section 3.11) 136 * ULONG FileNameLength; Length of filename in bytes 137 * ULONG EaSize; Size of file's extended attributes 138 * STRING FileName; Name of the file 139 * 140 * 141 * SMB_FIND_FILE_ID_FULL_DIRECTORY_INFO 142 * 143 * This is the same as SMB_FIND_FILE_FULL_DIRECTORY_INFO but with 144 * FileId inserted after EaSize. FileId is preceded by a 4 byte 145 * alignment padding. 146 * 147 * Response Field Description 148 * ================================= ================================== 149 * ... 150 * ULONG EaSize; Size of file's extended attributes 151 * UCHAR Reserved[4] 152 * LARGE_INTEGER FileId Internal file system unique id. 153 * STRING FileName; Name of the file 154 * 155 * 4.3.4.6 SMB_FIND_FILE_BOTH_DIRECTORY_INFO 156 * 157 * Response Field Description 158 * ================================= ================================== 159 * 160 * ULONG NextEntryOffset; Offset from this structure to 161 * beginning of next one 162 * ULONG FileIndex; 163 * LARGE_INTEGER CreationTime; file creation time 164 * LARGE_INTEGER LastAccessTime; last access time 165 * LARGE_INTEGER LastWriteTime; last write time 166 * LARGE_INTEGER ChangeTime; last attribute change time 167 * LARGE_INTEGER EndOfFile; file size 168 * LARGE_INTEGER AllocationSize; size of filesystem allocation information 169 * ULONG ExtFileAttributes; Extended file attributes 170 * (see section 3.11) 171 * ULONG FileNameLength; Length of FileName in bytes 172 * ULONG EaSize; Size of file's extended attributes 173 * UCHAR ShortNameLength; Length of file's short name in bytes 174 * UCHAR Reserved 175 * WCHAR ShortName[12]; File's 8.3 conformant name in Unicode 176 * STRING FileName; Files full length name 177 * 178 * 179 * SMB_FIND_FILE_ID_BOTH_DIRECTORY_INFO 180 * 181 * This is the same as SMB_FIND_FILE_BOTH_DIRECTORY_INFO but with 182 * FileId inserted after ShortName. FileId is preceded by a 2 byte 183 * alignment pad. 184 * 185 * Response Field Description 186 * ================================= ================================== 187 * ... 188 * WCHAR ShortName[12]; File's 8.3 conformant name in Unicode 189 * UCHAR Reserved[2] 190 * LARGE_INTEGER FileId Internal file system unique id. 191 * STRING FileName; Files full length name 192 * 193 * 4.3.4.7 SMB_FIND_FILE_NAMES_INFO 194 * 195 * Response Field Description 196 * ================================= ================================== 197 * 198 * ULONG NextEntryOffset; Offset from this structure to 199 * beginning of next one 200 * ULONG FileIndex; 201 * ULONG FileNameLength; Length of FileName in bytes 202 * STRING FileName; Files full length name 203 */ 204 205 #include <smbsrv/smb_incl.h> 206 #include <smbsrv/msgbuf.h> 207 #include <smbsrv/smb_fsops.h> 208 209 typedef struct smb_find_args { 210 uint16_t fa_infolev; 211 uint16_t fa_maxcount; 212 uint16_t fa_fflag; 213 uint32_t fa_maxdata; 214 } smb_find_args_t; 215 216 static int smb_trans2_find_entries(smb_request_t *, smb_xa_t *, 217 smb_odir_t *, smb_find_args_t *, boolean_t *); 218 static int smb_trans2_find_get_maxdata(smb_request_t *, uint16_t, uint16_t); 219 static int smb_trans2_find_mbc_encode(smb_request_t *, smb_xa_t *, 220 smb_fileinfo_t *, smb_find_args_t *); 221 222 /* 223 * Tunable parameter to limit the maximum 224 * number of entries to be returned. 225 */ 226 uint16_t smb_trans2_find_max = 128; 227 228 /* 229 * smb_com_trans2_find_first2 230 * 231 * Client Request Value 232 * ============================ ================================== 233 * 234 * UCHAR WordCount 15 235 * UCHAR TotalDataCount Total size of extended attribute list 236 * UCHAR SetupCount 1 237 * UCHAR Setup[0] TRANS2_FIND_FIRST2 238 * 239 * Parameter Block Encoding Description 240 * ============================ ================================== 241 * USHORT SearchAttributes; 242 * USHORT SearchCount; Maximum number of entries to return 243 * USHORT Flags; Additional information: 244 * Bit 0 - close search after this request 245 * Bit 1 - close search if end of search 246 * reached 247 * Bit 2 - return resume keys for each 248 * entry found 249 * Bit 3 - continue search from previous 250 * ending place 251 * Bit 4 - find with backup intent 252 * USHORT InformationLevel; See below 253 * ULONG SearchStorageType; 254 * STRING FileName; Pattern for the search 255 * UCHAR Data[ TotalDataCount ] FEAList if InformationLevel is 256 * QUERY_EAS_FROM_LIST 257 * 258 * Response Parameter Block Description 259 * ============================ ================================== 260 * 261 * USHORT Sid; Search handle 262 * USHORT SearchCount; Number of entries returned 263 * USHORT EndOfSearch; Was last entry returned? 264 * USHORT EaErrorOffset; Offset into EA list if EA error 265 * USHORT LastNameOffset; Offset into data to file name of last 266 * entry, if server needs it to resume 267 * search; else 0 268 * UCHAR Data[ TotalDataCount ] Level dependent info about the matches 269 * found in the search 270 */ 271 smb_sdrc_t 272 smb_com_trans2_find_first2(smb_request_t *sr, smb_xa_t *xa) 273 { 274 int count; 275 uint16_t sattr, odid; 276 char *path; 277 smb_odir_t *od; 278 smb_find_args_t args; 279 boolean_t eos; 280 uint32_t odir_flags = 0; 281 282 bzero(&args, sizeof (smb_find_args_t)); 283 284 if (!STYPE_ISDSK(sr->tid_tree->t_res_type)) { 285 smbsr_error(sr, NT_STATUS_ACCESS_DENIED, 286 ERRDOS, ERROR_ACCESS_DENIED); 287 return (SDRC_ERROR); 288 } 289 290 if (smb_mbc_decodef(&xa->req_param_mb, "%wwww4.u", sr, &sattr, 291 &args.fa_maxcount, &args.fa_fflag, &args.fa_infolev, &path) != 0) { 292 return (SDRC_ERROR); 293 } 294 295 if (smb_is_stream_name(path)) { 296 smbsr_error(sr, NT_STATUS_OBJECT_NAME_INVALID, 297 ERRDOS, ERROR_INVALID_NAME); 298 return (SDRC_ERROR); 299 } 300 301 if (args.fa_fflag & SMB_FIND_WITH_BACKUP_INTENT) { 302 sr->user_cr = smb_user_getprivcred(sr->uid_user); 303 odir_flags = SMB_ODIR_OPENF_BACKUP_INTENT; 304 } 305 306 args.fa_maxdata = 307 smb_trans2_find_get_maxdata(sr, args.fa_infolev, args.fa_fflag); 308 if (args.fa_maxdata == 0) 309 return (SDRC_ERROR); 310 311 if (sr->smb_flg2 & SMB_FLAGS2_UNICODE) 312 (void) smb_convert_wildcards(path); 313 314 odid = smb_odir_open(sr, path, sattr, odir_flags); 315 if (odid == 0) 316 return (SDRC_ERROR); 317 318 od = smb_tree_lookup_odir(sr->tid_tree, odid); 319 if (od == NULL) 320 return (SDRC_ERROR); 321 count = smb_trans2_find_entries(sr, xa, od, &args, &eos); 322 323 if (count == -1) { 324 smb_odir_close(od); 325 smb_odir_release(od); 326 return (SDRC_ERROR); 327 } 328 329 if (count == 0) { 330 smb_odir_close(od); 331 smb_odir_release(od); 332 smbsr_errno(sr, ENOENT); 333 return (SDRC_ERROR); 334 } 335 336 if ((args.fa_fflag & SMB_FIND_CLOSE_AFTER_REQUEST) || 337 (eos && (args.fa_fflag & SMB_FIND_CLOSE_AT_EOS))) { 338 smb_odir_close(od); 339 } /* else leave odir open for trans2_find_next2 */ 340 341 smb_odir_release(od); 342 343 (void) smb_mbc_encodef(&xa->rep_param_mb, "wwwww", 344 odid, count, (eos) ? 1 : 0, 0, 0); 345 346 return (SDRC_SUCCESS); 347 } 348 349 /* 350 * smb_com_trans2_find_next2 351 * 352 * Client Request Value 353 * ================================== ================================= 354 * 355 * WordCount 15 356 * SetupCount 1 357 * Setup[0] TRANS2_FIND_NEXT2 358 * 359 * Parameter Block Encoding Description 360 * ================================== ================================= 361 * 362 * USHORT Sid; Search handle 363 * USHORT SearchCount; Maximum number of entries to 364 * return 365 * USHORT InformationLevel; Levels described in 366 * TRANS2_FIND_FIRST2 request 367 * ULONG ResumeKey; Value returned by previous find2 368 * call 369 * USHORT Flags; Additional information: bit set- 370 * 0 - close search after this 371 * request 372 * 1 - close search if end of search 373 * reached 374 * 2 - return resume keys for each 375 * entry found 376 * 3 - resume/continue from previous 377 * ending place 378 * 4 - find with backup intent 379 * STRING FileName; Resume file name 380 * 381 * Sid is the value returned by a previous successful TRANS2_FIND_FIRST2 382 * call. If Bit3 of Flags is set, then FileName may be the NULL string, 383 * since the search is continued from the previous TRANS2_FIND request. 384 * Otherwise, FileName must not be more than 256 characters long. 385 * 386 * Response Field Description 387 * ================================== ================================= 388 * 389 * USHORT SearchCount; Number of entries returned 390 * USHORT EndOfSearch; Was last entry returned? 391 * USHORT EaErrorOffset; Offset into EA list if EA error 392 * USHORT LastNameOffset; Offset into data to file name of 393 * last entry, if server needs it to 394 * resume search; else 0 395 * UCHAR Data[TotalDataCount] Level dependent info about the 396 * matches found in the search 397 * 398 * 399 * The last parameter in the request is a filename, which is a 400 * null-terminated unicode string. 401 * 402 * smb_mbc_decodef(&xa->req_param_mb, "%www lwu", sr, 403 * &odid, &fa_maxcount, &fa_infolev, &cookie, &fa_fflag, &fname) 404 * 405 * The filename parameter is not currently decoded because we 406 * expect a 2-byte null but Mac OS 10 clients send a 1-byte null, 407 * which leads to a decode error. 408 * Thus, we do not support resume by filename. We treat a request 409 * to resume by filename as SMB_FIND_CONTINUE_FROM_LAST. 410 */ 411 smb_sdrc_t 412 smb_com_trans2_find_next2(smb_request_t *sr, smb_xa_t *xa) 413 { 414 int count; 415 uint16_t odid; 416 uint32_t cookie; 417 smb_odir_t *od; 418 smb_find_args_t args; 419 boolean_t eos; 420 smb_odir_resume_t odir_resume; 421 422 bzero(&args, sizeof (smb_find_args_t)); 423 424 if (smb_mbc_decodef(&xa->req_param_mb, "%wwwlw", sr, &odid, 425 &args.fa_maxcount, &args.fa_infolev, &cookie, &args.fa_fflag) 426 != 0) { 427 return (SDRC_ERROR); 428 } 429 430 /* continuation by filename not supported */ 431 if ((args.fa_fflag & SMB_FIND_CONTINUE_FROM_LAST) || (cookie == 0)) { 432 odir_resume.or_type = SMB_ODIR_RESUME_IDX; 433 odir_resume.or_idx = 0; 434 } else { 435 odir_resume.or_type = SMB_ODIR_RESUME_COOKIE; 436 odir_resume.or_cookie = cookie; 437 } 438 439 if (args.fa_fflag & SMB_FIND_WITH_BACKUP_INTENT) 440 sr->user_cr = smb_user_getprivcred(sr->uid_user); 441 442 args.fa_maxdata = 443 smb_trans2_find_get_maxdata(sr, args.fa_infolev, args.fa_fflag); 444 if (args.fa_maxdata == 0) 445 return (SDRC_ERROR); 446 447 od = smb_tree_lookup_odir(sr->tid_tree, odid); 448 if (od == NULL) { 449 smbsr_error(sr, NT_STATUS_INVALID_HANDLE, 450 ERRDOS, ERROR_INVALID_HANDLE); 451 return (SDRC_ERROR); 452 } 453 smb_odir_resume_at(od, &odir_resume); 454 count = smb_trans2_find_entries(sr, xa, od, &args, &eos); 455 456 if (count == -1) { 457 smb_odir_close(od); 458 smb_odir_release(od); 459 return (SDRC_ERROR); 460 } 461 462 if ((args.fa_fflag & SMB_FIND_CLOSE_AFTER_REQUEST) || 463 (eos && (args.fa_fflag & SMB_FIND_CLOSE_AT_EOS))) { 464 smb_odir_close(od); 465 } /* else leave odir open for trans2_find_next2 */ 466 467 smb_odir_release(od); 468 (void) smb_mbc_encodef(&xa->rep_param_mb, "wwww", 469 count, (eos) ? 1 : 0, 0, 0); 470 471 return (SDRC_SUCCESS); 472 } 473 474 475 /* 476 * smb_trans2_find_entries 477 * 478 * Find and encode up to args->fa_maxcount directory entries. 479 * For compatibilty with Windows, if args->fa_maxcount is zero treat it as 1. 480 * 481 * Returns: 482 * count - count of entries encoded 483 * *eos = B_TRUE if no more directory entries 484 * -1 - error 485 */ 486 static int 487 smb_trans2_find_entries(smb_request_t *sr, smb_xa_t *xa, smb_odir_t *od, 488 smb_find_args_t *args, boolean_t *eos) 489 { 490 int rc; 491 uint16_t count, maxcount; 492 uint32_t cookie; 493 smb_fileinfo_t fileinfo; 494 495 if ((maxcount = args->fa_maxcount) == 0) 496 maxcount = 1; 497 498 if ((smb_trans2_find_max != 0) && (maxcount > smb_trans2_find_max)) 499 maxcount = smb_trans2_find_max; 500 501 count = 0; 502 while (count < maxcount) { 503 if (smb_odir_read_fileinfo(sr, od, &fileinfo, eos) != 0) 504 return (-1); 505 if (*eos == B_TRUE) 506 break; 507 508 rc = smb_trans2_find_mbc_encode(sr, xa, &fileinfo, args); 509 if (rc == -1) 510 return (-1); 511 if (rc == 1) 512 break; 513 514 cookie = fileinfo.fi_cookie; 515 ++count; 516 } 517 518 /* save the last cookie returned to client */ 519 if (count != 0) 520 smb_odir_save_cookie(od, 0, cookie); 521 522 /* 523 * If all retrieved entries have been successfully encoded 524 * and eos has not already been detected, check if there are 525 * any more entries. eos will be set if there are no more. 526 */ 527 if ((rc == 0) && (!*eos)) 528 (void) smb_odir_read_fileinfo(sr, od, &fileinfo, eos); 529 530 return (count); 531 } 532 533 /* 534 * smb_trans2_find_get_maxdata 535 * 536 * Calculate the minimum response space required for the specified 537 * information level. 538 * 539 * A non-zero return value provides the minimum space required. 540 * A return value of zero indicates an unknown information level. 541 */ 542 static int 543 smb_trans2_find_get_maxdata(smb_request_t *sr, uint16_t infolev, uint16_t fflag) 544 { 545 int maxdata; 546 547 maxdata = smb_ascii_or_unicode_null_len(sr); 548 549 switch (infolev) { 550 case SMB_INFO_STANDARD : 551 if (fflag & SMB_FIND_RETURN_RESUME_KEYS) 552 maxdata += sizeof (int32_t); 553 maxdata += 2 + 2 + 2 + 4 + 4 + 2 + 1; 554 break; 555 556 case SMB_INFO_QUERY_EA_SIZE: 557 if (fflag & SMB_FIND_RETURN_RESUME_KEYS) 558 maxdata += sizeof (int32_t); 559 maxdata += 2 + 2 + 2 + 4 + 4 + 2 + 4 + 1; 560 break; 561 562 case SMB_FIND_FILE_DIRECTORY_INFO: 563 maxdata += 4 + 4 + 8 + 8 + 8 + 8 + 8 + 8 + 4 + 4; 564 break; 565 566 case SMB_FIND_FILE_FULL_DIRECTORY_INFO: 567 maxdata += 4 + 4 + 8 + 8 + 8 + 8 + 8 + 8 + 4 + 4 + 4; 568 break; 569 570 case SMB_FIND_FILE_ID_FULL_DIRECTORY_INFO: 571 maxdata += 4 + 4 + 8 + 8 + 8 + 8 + 8 + 8 + 4 + 4 + 4 + 4 + 8; 572 break; 573 574 case SMB_FIND_FILE_BOTH_DIRECTORY_INFO: 575 maxdata += 4 + 4 + 8 + 8 + 8 + 8 + 8 + 8 + 4 + 4 + 4 + 2 + 24; 576 break; 577 578 case SMB_FIND_FILE_ID_BOTH_DIRECTORY_INFO: 579 maxdata += 4 + 4 + 8 + 8 + 8 + 8 + 8 + 8 + 4 + 4 + 4 + 2 + 24 580 + 2 + 8; 581 break; 582 583 case SMB_FIND_FILE_NAMES_INFO: 584 maxdata += 4 + 4 + 4; 585 break; 586 587 case SMB_MAC_FIND_BOTH_HFS_INFO: 588 maxdata += 4 + 4 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 4 + 1 + 1 + 2 + 589 4 + 32 + 4 + 1 + 1 + 24 + 4; 590 break; 591 592 default: 593 maxdata = 0; 594 smbsr_error(sr, NT_STATUS_INVALID_LEVEL, 595 ERRDOS, ERROR_INVALID_LEVEL); 596 } 597 598 return (maxdata); 599 } 600 601 /* 602 * smb_trans2_mbc_encode 603 * 604 * This function encodes the mbc for one directory entry. 605 * 606 * The function returns -1 when the max data requested by client 607 * is reached. If the entry is valid and successful encoded, 0 608 * will be returned; otherwise, 1 will be returned. 609 * 610 * We always null terminate the filename. The space for the null 611 * is included in the maxdata calculation and is therefore included 612 * in the next_entry_offset. namelen is the unterminated length of 613 * the filename. For levels except STANDARD and EA_SIZE, if the 614 * filename is ascii the name length returned to the client should 615 * include the null terminator. Otherwise the length returned to 616 * the client should not include the terminator. 617 * 618 * Returns: 0 - data successfully encoded 619 * 1 - client request's maxdata limit reached 620 * -1 - error 621 */ 622 static int 623 smb_trans2_find_mbc_encode(smb_request_t *sr, smb_xa_t *xa, 624 smb_fileinfo_t *fileinfo, smb_find_args_t *args) 625 { 626 int namelen, shortlen, buflen; 627 uint32_t next_entry_offset; 628 uint32_t dsize32, asize32; 629 uint32_t mb_flags = 0; 630 char buf83[26]; 631 char *tmpbuf; 632 smb_msgbuf_t mb; 633 634 namelen = smb_ascii_or_unicode_strlen(sr, fileinfo->fi_name); 635 if (namelen == -1) 636 return (-1); 637 638 next_entry_offset = args->fa_maxdata + namelen; 639 640 if (MBC_ROOM_FOR(&xa->rep_data_mb, (args->fa_maxdata + namelen)) == 0) 641 return (1); 642 643 /* 644 * If ascii the filename length returned to the client should 645 * include the null terminator for levels except STANDARD and 646 * EASIZE. 647 */ 648 if (!(sr->smb_flg2 & SMB_FLAGS2_UNICODE)) { 649 if ((args->fa_infolev != SMB_INFO_STANDARD) && 650 (args->fa_infolev != SMB_INFO_QUERY_EA_SIZE)) 651 namelen += 1; 652 } 653 654 mb_flags = (sr->smb_flg2 & SMB_FLAGS2_UNICODE) ? SMB_MSGBUF_UNICODE : 0; 655 dsize32 = (fileinfo->fi_size > UINT_MAX) ? 656 UINT_MAX : (uint32_t)fileinfo->fi_size; 657 asize32 = (fileinfo->fi_alloc_size > UINT_MAX) ? 658 UINT_MAX : (uint32_t)fileinfo->fi_alloc_size; 659 660 switch (args->fa_infolev) { 661 case SMB_INFO_STANDARD: 662 if (args->fa_fflag & SMB_FIND_RETURN_RESUME_KEYS) 663 (void) smb_mbc_encodef(&xa->rep_data_mb, "l", 664 fileinfo->fi_cookie); 665 666 (void) smb_mbc_encodef(&xa->rep_data_mb, "%yyyllwbu", sr, 667 smb_time_gmt_to_local(sr, fileinfo->fi_crtime.tv_sec), 668 smb_time_gmt_to_local(sr, fileinfo->fi_atime.tv_sec), 669 smb_time_gmt_to_local(sr, fileinfo->fi_mtime.tv_sec), 670 dsize32, 671 asize32, 672 fileinfo->fi_dosattr, 673 namelen, 674 fileinfo->fi_name); 675 break; 676 677 case SMB_INFO_QUERY_EA_SIZE: 678 if (args->fa_fflag & SMB_FIND_RETURN_RESUME_KEYS) 679 (void) smb_mbc_encodef(&xa->rep_data_mb, "l", 680 fileinfo->fi_cookie); 681 682 /* 683 * Unicode filename should NOT be aligned. Encode ('u') 684 * into a temporary buffer, then encode buffer as a 685 * byte stream ('#c'). 686 * Regardless of whether unicode or ascii, a single 687 * termination byte is used. 688 */ 689 buflen = namelen + sizeof (mts_wchar_t); 690 tmpbuf = kmem_zalloc(buflen, KM_SLEEP); 691 smb_msgbuf_init(&mb, (uint8_t *)tmpbuf, buflen, mb_flags); 692 if (smb_msgbuf_encode(&mb, "u", fileinfo->fi_name) < 0) { 693 smb_msgbuf_term(&mb); 694 kmem_free(tmpbuf, buflen); 695 return (-1); 696 } 697 tmpbuf[namelen] = '\0'; 698 699 (void) smb_mbc_encodef(&xa->rep_data_mb, "%yyyllwlb#c", sr, 700 smb_time_gmt_to_local(sr, fileinfo->fi_crtime.tv_sec), 701 smb_time_gmt_to_local(sr, fileinfo->fi_atime.tv_sec), 702 smb_time_gmt_to_local(sr, fileinfo->fi_mtime.tv_sec), 703 dsize32, 704 asize32, 705 fileinfo->fi_dosattr, 706 0L, /* EA Size */ 707 namelen, 708 namelen + 1, 709 tmpbuf); 710 711 smb_msgbuf_term(&mb); 712 kmem_free(tmpbuf, buflen); 713 break; 714 715 case SMB_FIND_FILE_DIRECTORY_INFO: 716 (void) smb_mbc_encodef(&xa->rep_data_mb, "%llTTTTqqllu", sr, 717 next_entry_offset, 718 fileinfo->fi_cookie, 719 &fileinfo->fi_crtime, 720 &fileinfo->fi_atime, 721 &fileinfo->fi_mtime, 722 &fileinfo->fi_ctime, 723 fileinfo->fi_size, 724 fileinfo->fi_alloc_size, 725 fileinfo->fi_dosattr, 726 namelen, 727 fileinfo->fi_name); 728 break; 729 730 case SMB_FIND_FILE_FULL_DIRECTORY_INFO: 731 (void) smb_mbc_encodef(&xa->rep_data_mb, "%llTTTTqqlllu", sr, 732 next_entry_offset, 733 fileinfo->fi_cookie, 734 &fileinfo->fi_crtime, 735 &fileinfo->fi_atime, 736 &fileinfo->fi_mtime, 737 &fileinfo->fi_ctime, 738 fileinfo->fi_size, 739 fileinfo->fi_alloc_size, 740 fileinfo->fi_dosattr, 741 namelen, 742 0L, 743 fileinfo->fi_name); 744 break; 745 746 case SMB_FIND_FILE_ID_FULL_DIRECTORY_INFO: 747 (void) smb_mbc_encodef(&xa->rep_data_mb, "%llTTTTqqlll4.qu", sr, 748 next_entry_offset, 749 fileinfo->fi_cookie, 750 &fileinfo->fi_crtime, 751 &fileinfo->fi_atime, 752 &fileinfo->fi_mtime, 753 &fileinfo->fi_ctime, 754 fileinfo->fi_size, 755 fileinfo->fi_alloc_size, 756 fileinfo->fi_dosattr, 757 namelen, 758 0L, 759 fileinfo->fi_nodeid, 760 fileinfo->fi_name); 761 break; 762 763 case SMB_FIND_FILE_BOTH_DIRECTORY_INFO: 764 bzero(buf83, sizeof (buf83)); 765 smb_msgbuf_init(&mb, (uint8_t *)buf83, sizeof (buf83), 766 mb_flags); 767 if (smb_msgbuf_encode(&mb, "U", fileinfo->fi_shortname) < 0) { 768 smb_msgbuf_term(&mb); 769 return (-1); 770 } 771 shortlen = mts_wcequiv_strlen(fileinfo->fi_shortname); 772 773 (void) smb_mbc_encodef(&xa->rep_data_mb, "%llTTTTqqlllb.24cu", 774 sr, 775 next_entry_offset, 776 fileinfo->fi_cookie, 777 &fileinfo->fi_crtime, 778 &fileinfo->fi_atime, 779 &fileinfo->fi_mtime, 780 &fileinfo->fi_ctime, 781 fileinfo->fi_size, 782 fileinfo->fi_alloc_size, 783 fileinfo->fi_dosattr, 784 namelen, 785 0L, 786 shortlen, 787 buf83, 788 fileinfo->fi_name); 789 790 smb_msgbuf_term(&mb); 791 break; 792 793 case SMB_FIND_FILE_ID_BOTH_DIRECTORY_INFO: 794 bzero(buf83, sizeof (buf83)); 795 smb_msgbuf_init(&mb, (uint8_t *)buf83, sizeof (buf83), 796 mb_flags); 797 if (smb_msgbuf_encode(&mb, "u", fileinfo->fi_shortname) < 0) { 798 smb_msgbuf_term(&mb); 799 return (-1); 800 } 801 shortlen = smb_ascii_or_unicode_strlen(sr, 802 fileinfo->fi_shortname); 803 804 (void) smb_mbc_encodef(&xa->rep_data_mb, 805 "%llTTTTqqlllb.24c2.qu", 806 sr, 807 next_entry_offset, 808 fileinfo->fi_cookie, 809 &fileinfo->fi_crtime, 810 &fileinfo->fi_atime, 811 &fileinfo->fi_mtime, 812 &fileinfo->fi_ctime, 813 fileinfo->fi_size, 814 fileinfo->fi_alloc_size, 815 fileinfo->fi_dosattr, 816 namelen, 817 0L, 818 shortlen, 819 buf83, 820 fileinfo->fi_nodeid, 821 fileinfo->fi_name); 822 823 smb_msgbuf_term(&mb); 824 break; 825 826 case SMB_FIND_FILE_NAMES_INFO: 827 (void) smb_mbc_encodef(&xa->rep_data_mb, "%lllu", sr, 828 next_entry_offset, 829 fileinfo->fi_cookie, 830 namelen, 831 fileinfo->fi_name); 832 break; 833 } 834 835 return (0); 836 } 837 838 /* 839 * Close a search started by a Trans2FindFirst2 request. 840 */ 841 smb_sdrc_t 842 smb_pre_find_close2(smb_request_t *sr) 843 { 844 DTRACE_SMB_1(op__FindClose2__start, smb_request_t *, sr); 845 return (SDRC_SUCCESS); 846 } 847 848 void 849 smb_post_find_close2(smb_request_t *sr) 850 { 851 DTRACE_SMB_1(op__FindClose2__done, smb_request_t *, sr); 852 } 853 854 smb_sdrc_t 855 smb_com_find_close2(smb_request_t *sr) 856 { 857 uint16_t odid; 858 smb_odir_t *od; 859 860 if (smbsr_decode_vwv(sr, "w", &odid) != 0) 861 return (SDRC_ERROR); 862 863 od = smb_tree_lookup_odir(sr->tid_tree, odid); 864 if (od == NULL) { 865 smbsr_error(sr, NT_STATUS_INVALID_HANDLE, 866 ERRDOS, ERROR_INVALID_HANDLE); 867 return (SDRC_ERROR); 868 } 869 870 smb_odir_close(od); 871 smb_odir_release(od); 872 873 if (smbsr_encode_empty_result(sr)) 874 return (SDRC_ERROR); 875 876 return (SDRC_SUCCESS); 877 } 878