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 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #pragma ident "%Z%%M% %I% %E% SMI" 27 28 /* 29 * This module provides functions for TRANS2_FIND_FIRST2 and 30 * TRANS2_FIND_NEXT2 requests. The requests allow the client to search 31 * for the file(s) which match the file specification. The search is 32 * started with TRANS2_FIND_FIRST2 and can be continued if necessary with 33 * TRANS2_FIND_NEXT2. There are numerous levels of information which may be 34 * obtained for the returned files, the desired level is specified in the 35 * InformationLevel field of the requests. 36 * 37 * InformationLevel Name Value 38 * ================================= ================ 39 * 40 * SMB_INFO_STANDARD 1 41 * SMB_INFO_QUERY_EA_SIZE 2 42 * SMB_INFO_QUERY_EAS_FROM_LIST 3 43 * SMB_FIND_FILE_DIRECTORY_INFO 0x101 44 * SMB_FIND_FILE_FULL_DIRECTORY_INFO 0x102 45 * SMB_FIND_FILE_NAMES_INFO 0x103 46 * SMB_FIND_FILE_BOTH_DIRECTORY_INFO 0x104 47 * 48 * The following sections detail the data returned for each 49 * InformationLevel. The requested information is placed in the Data 50 * portion of the transaction response. Note: a client which does not 51 * support long names can only request SMB_INFO_STANDARD. 52 * 53 * A four-byte resume key precedes each data item (described below) if bit 54 * 2 in the Flags field is set, i.e. if the request indicates the server 55 * should return resume keys. Note: it is not always the case. If the 56 * data item already includes the resume key, the resume key should not be 57 * added again. 58 * 59 * 4.3.4.1 SMB_INFO_STANDARD 60 * 61 * Response Field Description 62 * ================================ ================================== 63 * 64 * SMB_DATE CreationDate; Date when file was created 65 * SMB_TIME CreationTime; Time when file was created 66 * SMB_DATE LastAccessDate; Date of last file access 67 * SMB_TIME LastAccessTime; Time of last file access 68 * SMB_DATE LastWriteDate; Date of last write to the file 69 * SMB_TIME LastWriteTime; Time of last write to the file 70 * ULONG DataSize; File Size 71 * ULONG AllocationSize; Size of filesystem allocation unit 72 * USHORT Attributes; File Attributes 73 * UCHAR FileNameLength; Length of filename in bytes 74 * STRING FileName; Name of found file 75 * 76 * 4.3.4.2 SMB_INFO_QUERY_EA_SIZE 77 * 78 * Response Field Description 79 * ================================= ================================== 80 * 81 * SMB_DATE CreationDate; Date when file was created 82 * SMB_TIME CreationTime; Time when file was created 83 * SMB_DATE LastAccessDate; Date of last file access 84 * SMB_TIME LastAccessTime; Time of last file access 85 * SMB_DATE LastWriteDate; Date of last write to the file 86 * SMB_TIME LastWriteTime; Time of last write to the file 87 * ULONG DataSize; File Size 88 * ULONG AllocationSize; Size of filesystem allocation unit 89 * USHORT Attributes; File Attributes 90 * ULONG EaSize; Size of file's EA information 91 * UCHAR FileNameLength; Length of filename in bytes 92 * STRING FileName; Name of found file 93 * 94 * 4.3.4.3 SMB_INFO_QUERY_EAS_FROM_LIST 95 * 96 * This request returns the same information as SMB_INFO_QUERY_EA_SIZE, but 97 * only for files which have an EA list which match the EA information in 98 * the Data part of the request. 99 * 100 * 4.3.4.4 SMB_FIND_FILE_DIRECTORY_INFO 101 * 102 * Response Field Description 103 * ================================= ================================== 104 * 105 * ULONG NextEntryOffset; Offset from this structure to 106 * beginning of next one 107 * ULONG FileIndex; 108 * LARGE_INTEGER CreationTime; file creation time 109 * LARGE_INTEGER LastAccessTime; last access time 110 * LARGE_INTEGER LastWriteTime; last write time 111 * LARGE_INTEGER ChangeTime; last attribute change time 112 * LARGE_INTEGER EndOfFile; file size 113 * LARGE_INTEGER AllocationSize; size of filesystem allocation information 114 * ULONG ExtFileAttributes; Extended file attributes 115 * (see section 3.11) 116 * ULONG FileNameLength; Length of filename in bytes 117 * STRING FileName; Name of the file 118 * 119 * 4.3.4.5 SMB_FIND_FILE_FULL_DIRECTORY_INFO 120 * 121 * Response Field Description 122 * ================================= ================================== 123 * 124 * ULONG NextEntryOffset; Offset from this structure to 125 * beginning of next one 126 * ULONG FileIndex; 127 * LARGE_INTEGER CreationTime; file creation time 128 * LARGE_INTEGER LastAccessTime; last access time 129 * LARGE_INTEGER LastWriteTime; last write time 130 * LARGE_INTEGER ChangeTime; last attribute change time 131 * LARGE_INTEGER EndOfFile; file size 132 * LARGE_INTEGER AllocationSize; size of filesystem allocation information 133 * ULONG ExtFileAttributes; Extended file attributes 134 * (see section 3.11) 135 * ULONG FileNameLength; Length of filename in bytes 136 * ULONG EaSize; Size of file's extended attributes 137 * STRING FileName; Name of the file 138 * 139 * 4.3.4.6 SMB_FIND_FILE_BOTH_DIRECTORY_INFO 140 * 141 * Response Field Description 142 * ================================= ================================== 143 * 144 * ULONG NextEntryOffset; Offset from this structure to 145 * beginning of next one 146 * ULONG FileIndex; 147 * LARGE_INTEGER CreationTime; file creation time 148 * LARGE_INTEGER LastAccessTime; last access time 149 * LARGE_INTEGER LastWriteTime; last write time 150 * LARGE_INTEGER ChangeTime; last attribute change time 151 * LARGE_INTEGER EndOfFile; file size 152 * LARGE_INTEGER AllocationSize; size of filesystem allocation information 153 * ULONG ExtFileAttributes; Extended file attributes 154 * (see section 3.11) 155 * ULONG FileNameLength; Length of FileName in bytes 156 * ULONG EaSize; Size of file's extended attributes 157 * UCHAR ShortNameLength; Length of file's short name in bytes 158 * UCHAR Reserved 159 * WCHAR ShortName[12]; File's 8.3 conformant name in Unicode 160 * STRING FileName; Files full length name 161 * 162 * 4.3.4.7 SMB_FIND_FILE_NAMES_INFO 163 * 164 * Response Field Description 165 * ================================= ================================== 166 * 167 * ULONG NextEntryOffset; Offset from this structure to 168 * beginning of next one 169 * ULONG FileIndex; 170 * ULONG FileNameLength; Length of FileName in bytes 171 * STRING FileName; Files full length name 172 */ 173 174 #include <smbsrv/smb_incl.h> 175 #include <smbsrv/msgbuf.h> 176 #include <smbsrv/smbtrans.h> 177 #include <smbsrv/smb_fsops.h> 178 179 static int smb_trans2_find_get_maxdata(smb_request_t *, uint16_t, uint16_t); 180 181 int smb_trans2_find_get_dents(smb_request_t *, smb_xa_t *, 182 uint16_t, uint16_t, int, smb_node_t *, 183 uint16_t, uint16_t, int, char *, uint32_t *, int *, int *); 184 185 int smb_gather_dents_info(char *, ino_t, int, char *, uint32_t, int32_t *, 186 smb_attr_t *, smb_node_t *, char *, char *); 187 188 int smb_trans2_find_process_ients(smb_request_t *, smb_xa_t *, 189 smb_dent_info_hdr_t *, uint16_t, uint16_t, int, 190 smb_node_t *, int *, uint32_t *); 191 192 int smb_trans2_find_mbc_encode(smb_request_t *, smb_xa_t *, 193 smb_dent_info_t *, int, uint16_t, uint16_t, 194 uint32_t, smb_node_t *, smb_node_t *); 195 196 /* 197 * The UNIX characters below are considered illegal in Windows file names. 198 * The following character conversions are used to support sites in which 199 * Catia v4 is in use on UNIX and Catia v5 is in use on Windows. 200 * 201 * --------------------------- 202 * Unix-char | Windows-char 203 * --------------------------- 204 * " | (0x00a8) Diaeresis 205 * * | (0x00a4) Currency Sign 206 * : | (0x00f7) Division Sign 207 * < | (0x00ab) Left-Pointing Double Angle Quotation Mark 208 * > | (0x00bb) Right-Pointing Double Angle Quotation Mark 209 * ? | (0x00bf) Inverted Question mark 210 * \ | (0x00ff) Latin Small Letter Y with Diaeresis 211 * | | (0x00a6) Broken Bar 212 */ 213 static int (*catia_callback)(uint8_t *, uint8_t *, int) = NULL; 214 void smb_register_catia_callback( 215 int (*catia_v4tov5)(uint8_t *, uint8_t *, int)); 216 void smb_unregister_catia_callback(); 217 218 /* 219 * Tunable parameter to limit the maximum 220 * number of entries to be returned. 221 */ 222 uint16_t smb_trans2_find_max = 128; 223 224 /* 225 * smb_register_catia_callback 226 * 227 * This function will be invoked by the catia module to register its 228 * function that translates filename in version 4 to a format that is 229 * compatible to version 5. 230 */ 231 void 232 smb_register_catia_callback( 233 int (*catia_v4tov5)(uint8_t *, uint8_t *, int)) 234 { 235 catia_callback = catia_v4tov5; 236 } 237 238 /* 239 * smb_unregister_catia_callback 240 * 241 * This function will unregister the catia callback prior to the catia 242 * module gets unloaded. 243 */ 244 void 245 smb_unregister_catia_callback() 246 { 247 catia_callback = 0; 248 } 249 250 /* 251 * smb_com_trans2_find_first2 252 * 253 * Client Request Value 254 * ============================ ================================== 255 * 256 * UCHAR WordCount 15 257 * UCHAR TotalDataCount Total size of extended attribute list 258 * UCHAR SetupCount 1 259 * UCHAR Setup[0] TRANS2_FIND_FIRST2 260 * 261 * Parameter Block Encoding Description 262 * ============================ ================================== 263 * USHORT SearchAttributes; 264 * USHORT SearchCount; Maximum number of entries to return 265 * USHORT Flags; Additional information: 266 * Bit 0 - close search after this request 267 * Bit 1 - close search if end of search 268 * reached 269 * Bit 2 - return resume keys for each 270 * entry found 271 * Bit 3 - continue search from previous 272 * ending place 273 * Bit 4 - find with backup intent 274 * USHORT InformationLevel; See below 275 * ULONG SearchStorageType; 276 * STRING FileName; Pattern for the search 277 * UCHAR Data[ TotalDataCount ] FEAList if InformationLevel is 278 * QUERY_EAS_FROM_LIST 279 * 280 * Response Parameter Block Description 281 * ============================ ================================== 282 * 283 * USHORT Sid; Search handle 284 * USHORT SearchCount; Number of entries returned 285 * USHORT EndOfSearch; Was last entry returned? 286 * USHORT EaErrorOffset; Offset into EA list if EA error 287 * USHORT LastNameOffset; Offset into data to file name of last 288 * entry, if server needs it to resume 289 * search; else 0 290 * UCHAR Data[ TotalDataCount ] Level dependent info about the matches 291 * found in the search 292 */ 293 smb_sdrc_t 294 smb_com_trans2_find_first2(smb_request_t *sr, smb_xa_t *xa) 295 { 296 int more = 0, rc; 297 uint16_t sattr, fflag, infolev; 298 uint16_t maxcount = 0; 299 int maxdata; 300 int count, wildcards; 301 uint32_t cookie; 302 char *path; 303 smb_node_t *dir_snode; 304 char *pattern; 305 uint16_t sid; 306 307 if (!STYPE_ISDSK(sr->tid_tree->t_res_type)) { 308 smbsr_error(sr, NT_STATUS_ACCESS_DENIED, 309 ERRDOS, ERROR_ACCESS_DENIED); 310 return (SDRC_ERROR_REPLY); 311 } 312 313 if (smb_decode_mbc(&xa->req_param_mb, "%wwww4.u", sr, 314 &sattr, &maxcount, &fflag, &infolev, &path) != 0) { 315 return (SDRC_ERROR_REPLY); 316 } 317 318 maxdata = smb_trans2_find_get_maxdata(sr, infolev, fflag); 319 if (maxdata == 0) { 320 smbsr_error(sr, NT_STATUS_INVALID_LEVEL, 321 ERRDOS, ERROR_INVALID_LEVEL); 322 return (SDRC_ERROR_REPLY); 323 } 324 325 /* 326 * When maxcount is zero Windows behaves as if it was 1. 327 */ 328 if (maxcount == 0) 329 maxcount = 1; 330 331 if ((smb_trans2_find_max != 0) && (maxcount > smb_trans2_find_max)) 332 maxcount = smb_trans2_find_max; 333 334 if (sr->smb_flg2 & SMB_FLAGS2_UNICODE) 335 (void) smb_convert_unicode_wildcards(path); 336 337 if (smb_rdir_open(sr, path, sattr) != 0) 338 return (SDRC_ERROR_REPLY); 339 340 /* 341 * Get a copy of information 342 */ 343 dir_snode = sr->sid_odir->d_dir_snode; 344 pattern = kmem_alloc(MAXNAMELEN, KM_SLEEP); 345 (void) strcpy(pattern, sr->sid_odir->d_pattern); 346 347 if (strcmp(pattern, "*.*") == 0) 348 (void) strncpy(pattern, "*", sizeof (pattern)); 349 350 wildcards = sr->sid_odir->d_wildcards; 351 sattr = sr->sid_odir->d_sattr; 352 cookie = 0; 353 354 rc = smb_trans2_find_get_dents(sr, xa, fflag, infolev, maxdata, 355 dir_snode, sattr, maxcount, wildcards, 356 pattern, &cookie, &more, &count); 357 358 if (!count) 359 rc = ENOENT; 360 361 if (rc) { 362 smb_rdir_close(sr); 363 kmem_free(pattern, MAXNAMELEN); 364 smbsr_errno(sr, rc); 365 return (SDRC_ERROR_REPLY); 366 } 367 368 /* 369 * Save the sid here in case the search is closed below, 370 * which will invalidate sr->smb_sid. We return the 371 * sid, even though the search has been closed, to be 372 * compatible with Windows. 373 */ 374 sid = sr->smb_sid; 375 376 if (fflag & SMB_FIND_CLOSE_AFTER_REQUEST || 377 (!more && fflag & SMB_FIND_CLOSE_AT_EOS)) { 378 smb_rdir_close(sr); 379 } else { 380 mutex_enter(&sr->sid_odir->d_mutex); 381 sr->sid_odir->d_cookie = cookie; 382 mutex_exit(&sr->sid_odir->d_mutex); 383 } 384 385 (void) smb_encode_mbc(&xa->rep_param_mb, "wwwww", 386 sid, count, (more ? 0 : 1), 0, 0); 387 388 kmem_free(pattern, MAXNAMELEN); 389 return (SDRC_NORMAL_REPLY); 390 } 391 392 /* 393 * smb_com_trans2_find_next2 394 * 395 * Client Request Value 396 * ================================== ================================= 397 * 398 * WordCount 15 399 * SetupCount 1 400 * Setup[0] TRANS2_FIND_NEXT2 401 * 402 * Parameter Block Encoding Description 403 * ================================== ================================= 404 * 405 * USHORT Sid; Search handle 406 * USHORT SearchCount; Maximum number of entries to 407 * return 408 * USHORT InformationLevel; Levels described in 409 * TRANS2_FIND_FIRST2 request 410 * ULONG ResumeKey; Value returned by previous find2 411 * call 412 * USHORT Flags; Additional information: bit set- 413 * 0 - close search after this 414 * request 415 * 1 - close search if end of search 416 * reached 417 * 2 - return resume keys for each 418 * entry found 419 * 3 - resume/continue from previous 420 * ending place 421 * 4 - find with backup intent 422 * STRING FileName; Resume file name 423 * 424 * Sid is the value returned by a previous successful TRANS2_FIND_FIRST2 425 * call. If Bit3 of Flags is set, then FileName may be the NULL string, 426 * since the search is continued from the previous TRANS2_FIND request. 427 * Otherwise, FileName must not be more than 256 characters long. 428 * 429 * Response Field Description 430 * ================================== ================================= 431 * 432 * USHORT SearchCount; Number of entries returned 433 * USHORT EndOfSearch; Was last entry returned? 434 * USHORT EaErrorOffset; Offset into EA list if EA error 435 * USHORT LastNameOffset; Offset into data to file name of 436 * last entry, if server needs it to 437 * resume search; else 0 438 * UCHAR Data[TotalDataCount] Level dependent info about the 439 * matches found in the search 440 */ 441 smb_sdrc_t 442 smb_com_trans2_find_next2(smb_request_t *sr, smb_xa_t *xa) 443 { 444 uint16_t fflag, infolev; 445 int maxdata, count, wildcards, more = 0, rc; 446 uint32_t cookie; 447 uint16_t maxcount = 0; 448 smb_node_t *dir_snode; 449 char *pattern; 450 uint16_t sattr; 451 452 /* 453 * The last parameter in the request is a path, which is a 454 * null-terminated unicode string. 455 * 456 * smb_decode_mbc(&xa->req_param_mb, "%www lwu", sr, 457 * &sr->smb_sid, &maxcount, &infolev, &cookie, &fflag, &path) 458 * 459 * We don't reference this parameter and it is not currently 460 * decoded because we a expect 2-byte null but Mac OS 10 461 * clients send a 1-byte null, which leads to a decode error. 462 */ 463 if (smb_decode_mbc(&xa->req_param_mb, "%www lw", sr, 464 &sr->smb_sid, &maxcount, &infolev, &cookie, &fflag) != 0) { 465 return (SDRC_ERROR_REPLY); 466 } 467 468 sr->sid_odir = smb_odir_lookup_by_sid(sr->tid_tree, sr->smb_sid); 469 if (sr->sid_odir == NULL) { 470 smbsr_error(sr, NT_STATUS_INVALID_HANDLE, ERRDOS, ERRbadfid); 471 return (SDRC_ERROR_REPLY); 472 } 473 474 maxdata = smb_trans2_find_get_maxdata(sr, infolev, fflag); 475 if (maxdata == 0) { 476 smb_rdir_close(sr); 477 smbsr_error(sr, NT_STATUS_INVALID_LEVEL, 478 ERRDOS, ERROR_INVALID_LEVEL); 479 return (SDRC_ERROR_REPLY); 480 } 481 482 /* 483 * When maxcount is zero Windows behaves as if it was 1. 484 */ 485 if (maxcount == 0) 486 maxcount = 1; 487 488 if ((smb_trans2_find_max != 0) && (maxcount > smb_trans2_find_max)) 489 maxcount = smb_trans2_find_max; 490 491 /* 492 * Get a copy of information 493 */ 494 dir_snode = sr->sid_odir->d_dir_snode; 495 pattern = kmem_alloc(MAXNAMELEN, KM_SLEEP); 496 (void) strcpy(pattern, sr->sid_odir->d_pattern); 497 wildcards = sr->sid_odir->d_wildcards; 498 sattr = sr->sid_odir->d_sattr; 499 if (fflag & SMB_FIND_CONTINUE_FROM_LAST) { 500 mutex_enter(&sr->sid_odir->d_mutex); 501 cookie = sr->sid_odir->d_cookie; 502 mutex_exit(&sr->sid_odir->d_mutex); 503 } 504 505 rc = smb_trans2_find_get_dents(sr, xa, fflag, infolev, maxdata, 506 dir_snode, sattr, maxcount, wildcards, pattern, &cookie, 507 &more, &count); 508 509 if (rc) { 510 smb_rdir_close(sr); 511 kmem_free(pattern, MAXNAMELEN); 512 smbsr_errno(sr, rc); 513 return (SDRC_ERROR_REPLY); 514 } 515 516 if (fflag & SMB_FIND_CLOSE_AFTER_REQUEST || 517 (!more && fflag & SMB_FIND_CLOSE_AT_EOS)) 518 smb_rdir_close(sr); 519 else { 520 mutex_enter(&sr->sid_odir->d_mutex); 521 sr->sid_odir->d_cookie = cookie; 522 mutex_exit(&sr->sid_odir->d_mutex); 523 } 524 525 (void) smb_encode_mbc(&xa->rep_param_mb, "wwww", 526 count, (more ? 0 : 1), 0, 0); 527 528 kmem_free(pattern, MAXNAMELEN); 529 return (SDRC_NORMAL_REPLY); 530 } 531 532 /* 533 * smb_trans2_find_get_maxdata 534 * 535 * Calculate the minimum response space required for the specified 536 * information level. 537 * 538 * A non-zero return value provides the minimum space required. 539 * A return value of zero indicates an unknown information level. 540 */ 541 static int 542 smb_trans2_find_get_maxdata(smb_request_t *sr, uint16_t infolev, uint16_t fflag) 543 { 544 int maxdata; 545 546 maxdata = smb_ascii_or_unicode_null_len(sr); 547 548 switch (infolev) { 549 case SMB_INFO_STANDARD : 550 if (fflag & SMB_FIND_RETURN_RESUME_KEYS) 551 maxdata += sizeof (int32_t); 552 maxdata += 2 + 2 + 2 + 4 + 4 + 2 + 1; 553 break; 554 555 case SMB_INFO_QUERY_EA_SIZE: 556 if (fflag & SMB_FIND_RETURN_RESUME_KEYS) 557 maxdata += sizeof (int32_t); 558 maxdata += 2 + 2 + 2 + 4 + 4 + 2 + 4 + 1; 559 break; 560 561 case SMB_FIND_FILE_DIRECTORY_INFO: 562 maxdata += 4 + 4 + 8 + 8 + 8 + 8 + 8 + 8 + 4 + 4; 563 break; 564 565 case SMB_FIND_FILE_BOTH_DIRECTORY_INFO: 566 maxdata += 4 + 4 + 8 + 8 + 8 + 8 + 8 + 8 + 4 + 4 + 4 + 2 + 24; 567 break; 568 569 case SMB_FIND_FILE_NAMES_INFO: 570 maxdata += 4 + 4 + 4; 571 break; 572 573 case SMB_MAC_FIND_BOTH_HFS_INFO: 574 maxdata += 4 + 4 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 4 + 1 + 1 + 2 + 575 4 + 32 + 4 + 1 + 1 + 24 + 4; 576 break; 577 578 default: 579 maxdata = 0; 580 } 581 582 return (maxdata); 583 } 584 585 /* 586 * smb_trans2_find_get_dents 587 * 588 * This function will get all the directory entry information and mbc 589 * encode it in the xa. If there is an error, it will be returned; 590 * otherwise, 0 is returned. 591 * 592 * The more field will be updated. If the value returned is one, it means 593 * there are more entries; otherwise, the returned value will be zero. The 594 * cookie will also be updated to indicate the next start point for the 595 * search. The count value will also be updated to stores the total entries 596 * encoded. 597 */ 598 int smb_trans2_find_get_dents( 599 smb_request_t *sr, 600 smb_xa_t *xa, 601 uint16_t fflag, 602 uint16_t infolev, 603 int maxdata, 604 smb_node_t *dir_snode, 605 uint16_t sattr, 606 uint16_t maxcount, 607 int wildcards, 608 char *pattern, 609 uint32_t *cookie, 610 int *more, 611 int *count) 612 { 613 smb_dent_info_hdr_t *ihdr; 614 smb_dent_info_t *ient; 615 int dent_buf_size; 616 int i; 617 int total; 618 int maxentries; 619 int rc; 620 621 ihdr = kmem_zalloc(sizeof (smb_dent_info_hdr_t), KM_SLEEP); 622 *count = 0; 623 624 if (!wildcards) 625 maxentries = maxcount = 1; 626 else { 627 maxentries = (xa->rep_data_mb.max_bytes - 628 xa->rep_data_mb.chain_offset) / maxdata; 629 if (maxcount > SMB_MAX_DENTS_IOVEC) 630 maxcount = SMB_MAX_DENTS_IOVEC; 631 if (maxentries > maxcount) 632 maxentries = maxcount; 633 } 634 635 /* Each entry will need to be aligned so add _POINTER_ALIGNMENT */ 636 dent_buf_size = 637 maxentries * (SMB_MAX_DENT_INFO_SIZE + _POINTER_ALIGNMENT); 638 ihdr->iov->iov_base = kmem_alloc(dent_buf_size, KM_SLEEP); 639 640 ihdr->sattr = sattr; 641 ihdr->pattern = pattern; 642 ihdr->sr = sr; 643 644 ihdr->uio.uio_iovcnt = maxcount; 645 ihdr->uio.uio_resid = dent_buf_size; 646 ihdr->uio.uio_iov = ihdr->iov; 647 ihdr->uio.uio_loffset = 0; 648 649 rc = smb_get_dents(sr, cookie, dir_snode, wildcards, ihdr, more); 650 if (rc != 0) { 651 goto out; 652 } 653 654 if (ihdr->iov->iov_len == 0) 655 *count = 0; 656 else 657 *count = smb_trans2_find_process_ients(sr, xa, ihdr, fflag, 658 infolev, maxdata, dir_snode, more, cookie); 659 rc = 0; 660 661 out: 662 663 total = maxcount - ihdr->uio.uio_iovcnt; 664 ASSERT((total >= 0) && (total <= SMB_MAX_DENTS_IOVEC)); 665 for (i = 0; i < total; i++) { 666 /*LINTED E_BAD_PTR_CAST_ALIGN*/ 667 ient = (smb_dent_info_t *)ihdr->iov[i].iov_base; 668 ASSERT(ient); 669 smb_node_release(ient->snode); 670 } 671 672 kmem_free(ihdr->iov->iov_base, dent_buf_size); 673 kmem_free(ihdr, sizeof (smb_dent_info_hdr_t)); 674 return (0); 675 } 676 677 678 679 /* 680 * smb_get_dents 681 * 682 * This function utilizes "smb_fsop_getdents()" to get dir entries. 683 * The "smb_gather_dents_info()" is the call back function called 684 * inside the file system. It is very important that the function 685 * does not sleep or yield since it is processed inside a file 686 * system transaction. 687 * 688 * The function returns 0 when successful and error code when failed. 689 * If more is provided, the return value of 1 is returned indicating 690 * more entries; otherwise, 0 is returned. 691 */ 692 int smb_get_dents( 693 smb_request_t *sr, 694 uint32_t *cookie, 695 smb_node_t *dir_snode, 696 uint32_t wildcards, 697 smb_dent_info_hdr_t *ihdr, 698 int *more) 699 { 700 int rc; 701 char *namebuf; 702 smb_node_t *snode; 703 smb_attr_t file_attr; 704 uint32_t maxcnt = ihdr->uio.uio_iovcnt; 705 char shortname[MANGLE_NAMELEN], name83[MANGLE_NAMELEN]; 706 fsvol_attr_t vol_attr; 707 708 namebuf = kmem_zalloc(MAXNAMELEN, KM_SLEEP); 709 if (more) 710 *more = 0; 711 712 if ((rc = fsd_getattr(&sr->tid_tree->t_fsd, &vol_attr)) != 0) { 713 kmem_free(namebuf, MAXNAMELEN); 714 return (rc); 715 } 716 717 if (!wildcards) { 718 /* Already found entry? */ 719 if (*cookie != 0) 720 return (0); 721 shortname[0] = '\0'; 722 723 rc = smb_fsop_lookup(sr, sr->user_cr, 0, sr->tid_tree->t_snode, 724 dir_snode, ihdr->pattern, &snode, &file_attr, shortname, 725 name83); 726 727 if (rc) { 728 kmem_free(namebuf, MAXNAMELEN); 729 return (rc); 730 } 731 732 (void) strlcpy(namebuf, ihdr->pattern, MAXNAMELEN); 733 734 /* 735 * It is not necessary to set the "force" flag (i.e. to 736 * take into account mangling for case-insensitive collisions) 737 */ 738 739 if (shortname[0] == '\0') 740 (void) smb_mangle_name(snode->attr.sa_vattr.va_nodeid, 741 namebuf, shortname, name83, 0); 742 (void) smb_gather_dents_info((char *)ihdr, 743 snode->attr.sa_vattr.va_nodeid, 744 strlen(namebuf), namebuf, -1, (int *)&maxcnt, 745 &snode->attr, snode, shortname, name83); 746 kmem_free(namebuf, MAXNAMELEN); 747 return (0); 748 } 749 750 if ((rc = smb_fsop_getdents(sr, sr->user_cr, dir_snode, cookie, 751 0, (int *)&maxcnt, (char *)ihdr, ihdr->pattern)) != 0) { 752 if (rc == ENOENT) { 753 kmem_free(namebuf, MAXNAMELEN); 754 return (0); 755 } 756 kmem_free(namebuf, MAXNAMELEN); 757 return (rc); 758 } 759 760 if (*cookie != 0x7FFFFFFF && more) 761 *more = 1; 762 763 kmem_free(namebuf, MAXNAMELEN); 764 return (0); 765 } 766 767 768 769 770 /* 771 * smb_gather_dents_info 772 * 773 * The function will accept information of each directory entry and put 774 * the needed information in the buffer. It is passed as the call back 775 * function for smb_fsop_getdents() to gather trans2 find info. 776 * 777 * If the buffer space is not enough, -1 will be returned. Regardless 778 * of valid entry or not, 0 will be returned; however, only valid entry 779 * will be stored in the buffer. 780 */ 781 int /*ARGSUSED*/ 782 smb_gather_dents_info( 783 char *args, 784 ino_t fileid, 785 int namelen, 786 char *name, 787 uint32_t cookie, 788 int32_t *countp, 789 smb_attr_t *attr, 790 smb_node_t *snode, 791 char *shortname, 792 char *name83) 793 { 794 /*LINTED E_BAD_PTR_CAST_ALIGN*/ 795 smb_dent_info_hdr_t *ihdr = (smb_dent_info_hdr_t *)args; 796 smb_dent_info_t *ient; 797 uint8_t *v5_name = NULL; 798 uint8_t *np = (uint8_t *)name; 799 int reclen = sizeof (smb_dent_info_t) + namelen; 800 801 v5_name = kmem_alloc(MAXNAMELEN-1, KM_SLEEP); 802 803 if (!ihdr->uio.uio_iovcnt || ihdr->uio.uio_resid < reclen) { 804 kmem_free(v5_name, MAXNAMELEN-1); 805 smb_node_release(snode); 806 return (-1); 807 } 808 809 if (!smb_sattr_check(attr, name, ihdr->sattr)) { 810 kmem_free(v5_name, MAXNAMELEN-1); 811 smb_node_release(snode); 812 return (0); 813 } 814 815 if (catia_callback) { 816 catia_callback(v5_name, (uint8_t *)name, MAXNAMELEN-1); 817 np = v5_name; 818 reclen = sizeof (smb_dent_info_t) + strlen((char *)v5_name); 819 } 820 821 ASSERT(snode); 822 ASSERT(snode->n_magic == SMB_NODE_MAGIC); 823 ASSERT(snode->n_state != SMB_NODE_STATE_DESTROYING); 824 825 /* 826 * Each entry needs to be properly aligned or we may get an alignment 827 * fault on sparc. 828 */ 829 ihdr->uio.uio_loffset = (offset_t)PTRALIGN(ihdr->uio.uio_loffset); 830 /*LINTED E_BAD_PTR_CAST_ALIGN*/ 831 ient = (smb_dent_info_t *)&ihdr->iov->iov_base[ihdr->uio.uio_loffset]; 832 833 ient->cookie = cookie; 834 ient->attr = *attr; 835 ient->snode = snode; 836 837 (void) strcpy(ient->name, (char *)np); 838 (void) strcpy(ient->shortname, shortname); 839 (void) strcpy(ient->name83, name83); 840 ihdr->uio.uio_iov->iov_base = (char *)ient; 841 ihdr->uio.uio_iov->iov_len = reclen; 842 843 ihdr->uio.uio_iov++; 844 ihdr->uio.uio_iovcnt--; 845 ihdr->uio.uio_resid -= reclen; 846 ihdr->uio.uio_loffset += reclen; 847 848 kmem_free(v5_name, MAXNAMELEN-1); 849 return (0); 850 } 851 852 853 854 /* 855 * smb_trans2_find_process_ients 856 * 857 * This function encodes the directory entry information store in 858 * the iov structure of the ihdr structure. 859 * 860 * The total entries encoded will be returned. If the entries encoded 861 * is less than the total entries in the iov, the more field will 862 * be updated to 1. Also, the next cookie wil be updated as well. 863 */ 864 int 865 smb_trans2_find_process_ients( 866 smb_request_t *sr, 867 smb_xa_t *xa, 868 smb_dent_info_hdr_t *ihdr, 869 uint16_t fflag, 870 uint16_t infolev, 871 int maxdata, 872 smb_node_t *dir_snode, 873 int *more, 874 uint32_t *cookie) 875 { 876 int i, err = 0; 877 smb_dent_info_t *ient; 878 uint32_t mb_flags = (sr->smb_flg2 & SMB_FLAGS2_UNICODE) 879 ? SMB_MSGBUF_UNICODE : 0; 880 881 for (i = 0; i < SMB_MAX_DENTS_IOVEC; i++) { 882 /*LINTED E_BAD_PTR_CAST_ALIGN*/ 883 if ((ient = (smb_dent_info_t *)ihdr->iov[i].iov_base) == 0) 884 break; 885 886 /* 887 * Observed differences between our response and Windows 888 * response, which hasn't caused a problem yet! 889 * 890 * 1. The NextEntryOffset field for the last entry should 891 * be 0. This code always calculate the record length 892 * and puts the result in the NextEntryOffset field. 893 * 894 * 2. The FileIndex field is always 0. This code puts 895 * the cookie in the FileIndex field. 896 */ 897 err = smb_trans2_find_mbc_encode(sr, xa, ient, maxdata, infolev, 898 fflag, mb_flags, dir_snode, NULL); 899 900 if (err) 901 break; 902 } 903 904 /* 905 * Not enough space to store all the entries returned, 906 * which is indicated by setting more. 907 */ 908 if (more && err < 0) { 909 *more = 1; 910 911 /* 912 * Assume the space will be at least enough for 1 entry. 913 */ 914 /*LINTED E_BAD_PTR_CAST_ALIGN*/ 915 ient = (smb_dent_info_t *)ihdr->iov[i-1].iov_base; 916 *cookie = ient->cookie; 917 } 918 return (i); 919 } 920 921 /* 922 * smb_trans2_find_mbc_encode 923 * 924 * This function encodes the mbc for one directory entry. 925 * 926 * The function returns -1 when the max data requested by client 927 * is reached. If the entry is valid and successful encoded, 0 928 * will be returned; otherwise, 1 will be returned. 929 */ 930 int /*ARGSUSED*/ 931 smb_trans2_find_mbc_encode( 932 smb_request_t *sr, 933 smb_xa_t *xa, 934 smb_dent_info_t *ient, 935 int maxdata, 936 uint16_t infolev, 937 uint16_t fflag, 938 uint32_t mb_flags, 939 smb_node_t *dir_snode, 940 smb_node_t *sd_snode) 941 { 942 int uni_namelen; 943 int shortlen; 944 uint32_t next_entry_offset; 945 char buf83[26]; 946 smb_msgbuf_t mb; 947 uint32_t dattr = 0; 948 uint32_t size32 = 0; 949 uint64_t size64 = 0; 950 smb_node_t *lnk_snode; 951 smb_attr_t lnkattr; 952 int rc; 953 954 uni_namelen = smb_ascii_or_unicode_strlen(sr, ient->name); 955 if (uni_namelen == -1) 956 return (1); 957 958 next_entry_offset = maxdata + uni_namelen; 959 960 if (MBC_ROOM_FOR(&xa->rep_data_mb, (maxdata + uni_namelen)) == 0) 961 return (-1); 962 963 if (ient->attr.sa_vattr.va_type == VLNK) { 964 rc = smb_fsop_lookup(sr, sr->user_cr, SMB_FOLLOW_LINKS, 965 sr->tid_tree->t_snode, dir_snode, ient->name, &lnk_snode, 966 &lnkattr, 0, 0); 967 968 /* 969 * We normally want to resolve the object to which a symlink 970 * refers so that CIFS clients can access sub-directories and 971 * find the correct association for files. This causes a 972 * problem, however, if a symlink in a sub-directory points 973 * to a parent directory (some UNIX GUI's create a symlink in 974 * $HOME/.desktop that points to the user's home directory). 975 * Some Windows applications (i.e. virus scanning) loop/hang 976 * trying to follow this recursive path and there is little 977 * we can do because the path is constructed on the client. 978 * skc_dirsymlink_enable allows an end-user to disable 979 * symlinks to directories. Symlinks to other object types 980 * should be unaffected. 981 */ 982 if (rc == 0) { 983 if (smb_info.si.skc_dirsymlink_enable || 984 (lnkattr.sa_vattr.va_type != VDIR)) { 985 smb_node_release(ient->snode); 986 ient->snode = lnk_snode; 987 ient->attr = lnkattr; 988 } else { 989 smb_node_release(lnk_snode); 990 } 991 } 992 } 993 994 if (infolev != SMB_FIND_FILE_NAMES_INFO) { 995 size64 = smb_node_get_size(ient->snode, &ient->attr); 996 size32 = (size64 > 0xFFFFFFFF) ? 0xFFFFFFFF : (uint32_t)size64; 997 dattr = smb_mode_to_dos_attributes(&ient->attr); 998 } 999 1000 switch (infolev) { 1001 case SMB_INFO_STANDARD: 1002 if (fflag & SMB_FIND_RETURN_RESUME_KEYS) 1003 (void) smb_encode_mbc(&xa->rep_data_mb, "l", 1004 ient->cookie); 1005 1006 (void) smb_encode_mbc(&xa->rep_data_mb, "%yyyllwbu", sr, 1007 ient->attr.sa_crtime.tv_sec ? ient->attr.sa_crtime.tv_sec : 1008 ient->attr.sa_vattr.va_mtime.tv_sec, 1009 ient->attr.sa_vattr.va_atime.tv_sec, 1010 ient->attr.sa_vattr.va_mtime.tv_sec, 1011 size32, 1012 size32, 1013 dattr, 1014 uni_namelen, 1015 ient->name); 1016 break; 1017 1018 case SMB_INFO_QUERY_EA_SIZE: 1019 if (fflag & SMB_FIND_RETURN_RESUME_KEYS) 1020 (void) smb_encode_mbc(&xa->rep_data_mb, "l", 1021 ient->cookie); 1022 1023 (void) smb_encode_mbc(&xa->rep_data_mb, "%yyyllwlbu", sr, 1024 ient->attr.sa_crtime.tv_sec ? ient->attr.sa_crtime.tv_sec : 1025 ient->attr.sa_vattr.va_mtime.tv_sec, 1026 ient->attr.sa_vattr.va_atime.tv_sec, 1027 ient->attr.sa_vattr.va_mtime.tv_sec, 1028 size32, 1029 size32, 1030 dattr, 1031 0L, /* EA Size */ 1032 uni_namelen, 1033 ient->name); 1034 break; 1035 1036 case SMB_FIND_FILE_DIRECTORY_INFO: 1037 (void) smb_encode_mbc(&xa->rep_data_mb, "%llTTTTqqllu", sr, 1038 next_entry_offset, 1039 ient->cookie, 1040 ient->attr.sa_crtime.tv_sec ? &ient->attr.sa_crtime : 1041 &ient->attr.sa_vattr.va_mtime, 1042 &ient->attr.sa_vattr.va_atime, 1043 &ient->attr.sa_vattr.va_mtime, 1044 &ient->attr.sa_vattr.va_ctime, 1045 size64, 1046 size64, 1047 dattr, 1048 uni_namelen, 1049 ient->name); 1050 break; 1051 1052 case SMB_FIND_FILE_BOTH_DIRECTORY_INFO: 1053 bzero(buf83, sizeof (buf83)); 1054 smb_msgbuf_init(&mb, (uint8_t *)buf83, sizeof (buf83), 1055 mb_flags); 1056 if (smb_msgbuf_encode(&mb, "u", ient->shortname) < 0) { 1057 smb_msgbuf_term(&mb); 1058 return (-1); 1059 } 1060 shortlen = smb_ascii_or_unicode_strlen(sr, ient->shortname); 1061 1062 (void) smb_encode_mbc(&xa->rep_data_mb, "%llTTTTqqlllb.24cu", 1063 sr, 1064 next_entry_offset, 1065 ient->cookie, 1066 ient->attr.sa_crtime.tv_sec ? &ient->attr.sa_crtime : 1067 &ient->attr.sa_vattr.va_mtime, 1068 &ient->attr.sa_vattr.va_atime, 1069 &ient->attr.sa_vattr.va_mtime, 1070 &ient->attr.sa_vattr.va_ctime, 1071 size64, 1072 size64, 1073 dattr, 1074 uni_namelen, 1075 0L, 1076 shortlen, 1077 buf83, 1078 ient->name); 1079 1080 smb_msgbuf_term(&mb); 1081 break; 1082 1083 case SMB_FIND_FILE_NAMES_INFO: 1084 (void) smb_encode_mbc(&xa->rep_data_mb, "%lllu", sr, 1085 next_entry_offset, 1086 ient->cookie, 1087 uni_namelen, 1088 ient->name); 1089 break; 1090 } 1091 1092 return (0); 1093 } 1094 1095 /* 1096 * Close a search started by a Trans2FindFirst2 request. 1097 */ 1098 smb_sdrc_t 1099 smb_com_find_close2(smb_request_t *sr) 1100 { 1101 if (smbsr_decode_vwv(sr, "w", &sr->smb_sid) != 0) 1102 return (SDRC_ERROR_REPLY); 1103 1104 sr->sid_odir = smb_odir_lookup_by_sid(sr->tid_tree, sr->smb_sid); 1105 if (sr->sid_odir == NULL) { 1106 smbsr_error(sr, NT_STATUS_INVALID_HANDLE, ERRDOS, ERRbadfid); 1107 return (SDRC_ERROR_REPLY); 1108 } 1109 1110 smb_rdir_close(sr); 1111 1112 if (smbsr_encode_empty_result(sr)) 1113 return (SDRC_ERROR_REPLY); 1114 1115 return (SDRC_NORMAL_REPLY); 1116 } 1117