1da6c28aaSamw /* 2da6c28aaSamw * CDDL HEADER START 3da6c28aaSamw * 4da6c28aaSamw * The contents of this file are subject to the terms of the 5da6c28aaSamw * Common Development and Distribution License (the "License"). 6da6c28aaSamw * You may not use this file except in compliance with the License. 7da6c28aaSamw * 8da6c28aaSamw * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9da6c28aaSamw * or http://www.opensolaris.org/os/licensing. 10da6c28aaSamw * See the License for the specific language governing permissions 11da6c28aaSamw * and limitations under the License. 12da6c28aaSamw * 13da6c28aaSamw * When distributing Covered Code, include this CDDL HEADER in each 14da6c28aaSamw * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15da6c28aaSamw * If applicable, add the following below this CDDL HEADER, with the 16da6c28aaSamw * fields enclosed by brackets "[]" replaced with your own identifying 17da6c28aaSamw * information: Portions Copyright [yyyy] [name of copyright owner] 18da6c28aaSamw * 19da6c28aaSamw * CDDL HEADER END 20da6c28aaSamw */ 21da6c28aaSamw /* 227f667e74Sjose borrego * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23da6c28aaSamw * Use is subject to license terms. 24da6c28aaSamw */ 25da6c28aaSamw 26da6c28aaSamw /* 27da6c28aaSamw * This module provides the common open functionality to the various 28da6c28aaSamw * open and create SMB interface functions. 29da6c28aaSamw */ 30da6c28aaSamw 31da6c28aaSamw #include <smbsrv/smb_incl.h> 32da6c28aaSamw #include <smbsrv/smb_fsops.h> 33da6c28aaSamw #include <smbsrv/nterror.h> 34da6c28aaSamw #include <smbsrv/ntstatus.h> 35da6c28aaSamw #include <smbsrv/smbinfo.h> 36da6c28aaSamw #include <sys/fcntl.h> 37dc20a302Sas #include <sys/nbmlock.h> 38da6c28aaSamw 39faa1795aSjb volatile uint32_t smb_fids = 0; 407b59d02dSjb 417b59d02dSjb static uint32_t smb_open_subr(smb_request_t *); 42da6c28aaSamw 43faa1795aSjb extern uint32_t smb_is_executable(char *); 44da6c28aaSamw 45da6c28aaSamw /* 46da6c28aaSamw * This macro is used to delete a newly created object 47da6c28aaSamw * if any error happens after creation of object. 48da6c28aaSamw */ 49da6c28aaSamw #define SMB_DEL_NEWOBJ(obj) \ 50da6c28aaSamw if (created) { \ 51da6c28aaSamw if (is_dir) \ 52da6c28aaSamw (void) smb_fsop_rmdir(sr, sr->user_cr, \ 53da6c28aaSamw obj.dir_snode, obj.last_comp, 0); \ 54da6c28aaSamw else \ 55da6c28aaSamw (void) smb_fsop_remove(sr, sr->user_cr, \ 56da6c28aaSamw obj.dir_snode, obj.last_comp, 0); \ 57da6c28aaSamw } 58da6c28aaSamw 59da6c28aaSamw /* 60da6c28aaSamw * smb_access_generic_to_file 61da6c28aaSamw * 62da6c28aaSamw * Search MSDN for IoCreateFile to see following mapping. 63da6c28aaSamw * 64da6c28aaSamw * GENERIC_READ STANDARD_RIGHTS_READ, FILE_READ_DATA, 65da6c28aaSamw * FILE_READ_ATTRIBUTES and FILE_READ_EA 66da6c28aaSamw * 67da6c28aaSamw * GENERIC_WRITE STANDARD_RIGHTS_WRITE, FILE_WRITE_DATA, 68da6c28aaSamw * FILE_WRITE_ATTRIBUTES, FILE_WRITE_EA, and FILE_APPEND_DATA 69da6c28aaSamw * 70da6c28aaSamw * GENERIC_EXECUTE STANDARD_RIGHTS_EXECUTE, SYNCHRONIZE, and FILE_EXECUTE. 71da6c28aaSamw */ 72da6c28aaSamw uint32_t 73da6c28aaSamw smb_access_generic_to_file(uint32_t desired_access) 74da6c28aaSamw { 75da6c28aaSamw uint32_t access = 0; 76da6c28aaSamw 77da6c28aaSamw if (desired_access & GENERIC_ALL) 78da6c28aaSamw return (FILE_ALL_ACCESS & ~SYNCHRONIZE); 79da6c28aaSamw 80da6c28aaSamw if (desired_access & GENERIC_EXECUTE) { 81da6c28aaSamw desired_access &= ~GENERIC_EXECUTE; 82da6c28aaSamw access |= (STANDARD_RIGHTS_EXECUTE | 83da6c28aaSamw SYNCHRONIZE | FILE_EXECUTE); 84da6c28aaSamw } 85da6c28aaSamw 86da6c28aaSamw if (desired_access & GENERIC_WRITE) { 87da6c28aaSamw desired_access &= ~GENERIC_WRITE; 88da6c28aaSamw access |= (FILE_GENERIC_WRITE & ~SYNCHRONIZE); 89da6c28aaSamw } 90da6c28aaSamw 91da6c28aaSamw if (desired_access & GENERIC_READ) { 92da6c28aaSamw desired_access &= ~GENERIC_READ; 93da6c28aaSamw access |= FILE_GENERIC_READ; 94da6c28aaSamw } 95da6c28aaSamw 96da6c28aaSamw return (access | desired_access); 97da6c28aaSamw } 98da6c28aaSamw 99da6c28aaSamw /* 100da6c28aaSamw * smb_omode_to_amask 101da6c28aaSamw * 102da6c28aaSamw * This function converts open modes used by Open and Open AndX 103da6c28aaSamw * commands to desired access bits used by NT Create AndX command. 104da6c28aaSamw */ 105da6c28aaSamw uint32_t 106da6c28aaSamw smb_omode_to_amask(uint32_t desired_access) 107da6c28aaSamw { 108da6c28aaSamw switch (desired_access & SMB_DA_ACCESS_MASK) { 109da6c28aaSamw case SMB_DA_ACCESS_READ: 110da6c28aaSamw return (FILE_GENERIC_READ); 111da6c28aaSamw 112da6c28aaSamw case SMB_DA_ACCESS_WRITE: 113da6c28aaSamw return (FILE_GENERIC_WRITE); 114da6c28aaSamw 115da6c28aaSamw case SMB_DA_ACCESS_READ_WRITE: 116da6c28aaSamw return (FILE_GENERIC_READ | FILE_GENERIC_WRITE); 117da6c28aaSamw 118da6c28aaSamw case SMB_DA_ACCESS_EXECUTE: 119da6c28aaSamw return (FILE_GENERIC_EXECUTE); 120da6c28aaSamw 121*2c2961f8Sjose borrego default: 122*2c2961f8Sjose borrego return (FILE_GENERIC_ALL); 123*2c2961f8Sjose borrego } 124da6c28aaSamw } 125da6c28aaSamw 126da6c28aaSamw /* 127da6c28aaSamw * smb_denymode_to_sharemode 128da6c28aaSamw * 129da6c28aaSamw * This function converts deny modes used by Open and Open AndX 130da6c28aaSamw * commands to share access bits used by NT Create AndX command. 131da6c28aaSamw */ 132da6c28aaSamw uint32_t 133da6c28aaSamw smb_denymode_to_sharemode(uint32_t desired_access, char *fname) 134da6c28aaSamw { 135da6c28aaSamw switch (desired_access & SMB_DA_SHARE_MASK) { 136da6c28aaSamw case SMB_DA_SHARE_COMPATIBILITY: 137da6c28aaSamw if (smb_is_executable(fname)) 138da6c28aaSamw return (FILE_SHARE_READ | FILE_SHARE_WRITE); 139c8ec8eeaSjose borrego 140c8ec8eeaSjose borrego return (FILE_SHARE_ALL); 141da6c28aaSamw 142da6c28aaSamw case SMB_DA_SHARE_EXCLUSIVE: 143da6c28aaSamw return (FILE_SHARE_NONE); 144da6c28aaSamw 145da6c28aaSamw case SMB_DA_SHARE_DENY_WRITE: 146da6c28aaSamw return (FILE_SHARE_READ); 147da6c28aaSamw 148da6c28aaSamw case SMB_DA_SHARE_DENY_READ: 149da6c28aaSamw return (FILE_SHARE_WRITE); 150da6c28aaSamw 151da6c28aaSamw case SMB_DA_SHARE_DENY_NONE: 152*2c2961f8Sjose borrego default: 153da6c28aaSamw return (FILE_SHARE_READ | FILE_SHARE_WRITE); 154da6c28aaSamw } 155da6c28aaSamw } 156da6c28aaSamw 157da6c28aaSamw /* 158da6c28aaSamw * smb_ofun_to_crdisposition 159da6c28aaSamw * 160da6c28aaSamw * This function converts open function values used by Open and Open AndX 161da6c28aaSamw * commands to create disposition values used by NT Create AndX command. 162da6c28aaSamw */ 163da6c28aaSamw uint32_t 164da6c28aaSamw smb_ofun_to_crdisposition(uint16_t ofun) 165da6c28aaSamw { 166da6c28aaSamw static int ofun_cr_map[3][2] = 167da6c28aaSamw { 168da6c28aaSamw { -1, FILE_CREATE }, 169da6c28aaSamw { FILE_OPEN, FILE_OPEN_IF }, 170da6c28aaSamw { FILE_OVERWRITE, FILE_OVERWRITE_IF } 171da6c28aaSamw }; 172da6c28aaSamw 173da6c28aaSamw int row = ofun & SMB_OFUN_OPEN_MASK; 174da6c28aaSamw int col = (ofun & SMB_OFUN_CREATE_MASK) >> 4; 175da6c28aaSamw 176da6c28aaSamw if (row == 3) 177*2c2961f8Sjose borrego return (FILE_MAXIMUM_DISPOSITION + 1); 178da6c28aaSamw 179da6c28aaSamw return (ofun_cr_map[row][col]); 180da6c28aaSamw } 181da6c28aaSamw 1827b59d02dSjb /* 1837b59d02dSjb * Retry opens to avoid spurious sharing violations, due to timing 1847b59d02dSjb * issues between closes and opens. The client that already has the 1857b59d02dSjb * file open may be in the process of closing it. 1867b59d02dSjb */ 1877b59d02dSjb uint32_t 1887b59d02dSjb smb_common_open(smb_request_t *sr) 1897b59d02dSjb { 1907b59d02dSjb uint32_t status = NT_STATUS_SUCCESS; 1917b59d02dSjb int count; 1927b59d02dSjb 1937b59d02dSjb for (count = 0; count <= 4; count++) { 1947b59d02dSjb if (count) 1957b59d02dSjb delay(MSEC_TO_TICK(400)); 1967b59d02dSjb 197faa1795aSjb status = smb_open_subr(sr); 198faa1795aSjb if (status != NT_STATUS_SHARING_VIOLATION) 1997b59d02dSjb break; 2007b59d02dSjb } 2017b59d02dSjb 202faa1795aSjb if (status == NT_STATUS_SHARING_VIOLATION) { 2037b59d02dSjb smbsr_error(sr, NT_STATUS_SHARING_VIOLATION, 2047b59d02dSjb ERRDOS, ERROR_SHARING_VIOLATION); 2057b59d02dSjb } 2067b59d02dSjb 207*2c2961f8Sjose borrego if (status == NT_STATUS_NO_SUCH_FILE) { 208*2c2961f8Sjose borrego smbsr_error(sr, NT_STATUS_OBJECT_NAME_NOT_FOUND, 209*2c2961f8Sjose borrego ERRDOS, ERROR_FILE_NOT_FOUND); 210*2c2961f8Sjose borrego } 211*2c2961f8Sjose borrego 2127b59d02dSjb return (status); 2137b59d02dSjb } 2147b59d02dSjb 215da6c28aaSamw /* 216da6c28aaSamw * smb_open_subr 217da6c28aaSamw * 218da6c28aaSamw * Notes on write-through behaviour. It looks like pre-LM0.12 versions 219da6c28aaSamw * of the protocol specify the write-through mode when a file is opened, 220da6c28aaSamw * (SmbOpen, SmbOpenAndX) so the write calls (SmbWrite, SmbWriteAndClose, 221da6c28aaSamw * SmbWriteAndUnlock) don't need to contain a write-through flag. 222da6c28aaSamw * 223da6c28aaSamw * With LM0.12, the open calls (SmbCreateAndX, SmbNtTransactCreate) 224da6c28aaSamw * don't indicate which write-through mode to use. Instead the write 225da6c28aaSamw * calls (SmbWriteAndX, SmbWriteRaw) specify the mode on a per call 226da6c28aaSamw * basis. 227da6c28aaSamw * 228da6c28aaSamw * We don't care which open call was used to get us here, we just need 229da6c28aaSamw * to ensure that the write-through mode flag is copied from the open 230da6c28aaSamw * parameters to the node. We test the omode write-through flag in all 231da6c28aaSamw * write functions. 232da6c28aaSamw * 233da6c28aaSamw * This function will return NT status codes but it also raises errors, 234da6c28aaSamw * in which case it won't return to the caller. Be careful how you 235da6c28aaSamw * handle things in here. 2368c10a865Sas * 2378c10a865Sas * The following rules apply when processing a file open request: 2388c10a865Sas * 2398c10a865Sas * - Oplocks must be broken prior to share checking to prevent open 2408c10a865Sas * starvation due to batch oplocks. Checking share reservations first 2418c10a865Sas * could potentially result in unnecessary open failures due to 2428c10a865Sas * open/close batching on the client. 2438c10a865Sas * 2448c10a865Sas * - Share checks must take place prior to access checks for correct 2458c10a865Sas * Windows semantics and to prevent unnecessary NFS delegation recalls. 2468c10a865Sas * 2478c10a865Sas * - Oplocks must be acquired after open to ensure the correct 2488c10a865Sas * synchronization with NFS delegation and FEM installation. 249c8ec8eeaSjose borrego * 250c8ec8eeaSjose borrego * 251c8ec8eeaSjose borrego * DOS readonly bit rules 252c8ec8eeaSjose borrego * 253c8ec8eeaSjose borrego * 1. The creator of a readonly file can write to/modify the size of the file 254c8ec8eeaSjose borrego * using the original create fid, even though the file will appear as readonly 255c8ec8eeaSjose borrego * to all other fids and via a CIFS getattr call. 256c8ec8eeaSjose borrego * 257c8ec8eeaSjose borrego * 2. A setinfo operation (using either an open fid or a path) to set/unset 258c8ec8eeaSjose borrego * readonly will be successful regardless of whether a creator of a readonly 259c8ec8eeaSjose borrego * file has an open fid (and has the special privilege mentioned in #1, 260c8ec8eeaSjose borrego * above). I.e., the creator of a readonly fid holding that fid will no longer 261c8ec8eeaSjose borrego * have a special privilege. 262c8ec8eeaSjose borrego * 263c8ec8eeaSjose borrego * 3. The DOS readonly bit affects only data and some metadata. 264c8ec8eeaSjose borrego * The following metadata can be changed regardless of the readonly bit: 265c8ec8eeaSjose borrego * - security descriptors 266c8ec8eeaSjose borrego * - DOS attributes 267c8ec8eeaSjose borrego * - timestamps 268c8ec8eeaSjose borrego * 269c8ec8eeaSjose borrego * In the current implementation, the file size cannot be changed (except for 270c8ec8eeaSjose borrego * the exceptions in #1 and #2, above). 2712c1b14e5Sjose borrego * 2722c1b14e5Sjose borrego * 2732c1b14e5Sjose borrego * DOS attribute rules 2742c1b14e5Sjose borrego * 2752c1b14e5Sjose borrego * These rules are specific to creating / opening files and directories. 2762c1b14e5Sjose borrego * How the attribute value (specifically ZERO or FILE_ATTRIBUTE_NORMAL) 2772c1b14e5Sjose borrego * should be interpreted may differ in other requests. 2782c1b14e5Sjose borrego * 2792c1b14e5Sjose borrego * - An attribute value equal to ZERO or FILE_ATTRIBUTE_NORMAL means that the 2802c1b14e5Sjose borrego * file's attributes should be cleared. 2812c1b14e5Sjose borrego * - If FILE_ATTRIBUTE_NORMAL is specified with any other attributes, 2822c1b14e5Sjose borrego * FILE_ATTRIBUTE_NORMAL is ignored. 2832c1b14e5Sjose borrego * 2842c1b14e5Sjose borrego * 1. Creating a new file 2852c1b14e5Sjose borrego * - The request attributes + FILE_ATTRIBUTE_ARCHIVE are applied to the file. 2862c1b14e5Sjose borrego * 2872c1b14e5Sjose borrego * 2. Creating a new directory 2882c1b14e5Sjose borrego * - The request attributes + FILE_ATTRIBUTE_DIRECTORY are applied to the file. 2892c1b14e5Sjose borrego * - FILE_ATTRIBUTE_ARCHIVE does not get set. 2902c1b14e5Sjose borrego * 2912c1b14e5Sjose borrego * 3. Overwriting an existing file 2922c1b14e5Sjose borrego * - the request attributes are used as search attributes. If the existing 2932c1b14e5Sjose borrego * file does not meet the search criteria access is denied. 2942c1b14e5Sjose borrego * - otherwise, applies attributes + FILE_ATTRIBUTE_ARCHIVE. 2952c1b14e5Sjose borrego * 2962c1b14e5Sjose borrego * 4. Opening an existing file or directory 2972c1b14e5Sjose borrego * The request attributes are ignored. 298da6c28aaSamw */ 2997b59d02dSjb static uint32_t 3007b59d02dSjb smb_open_subr(smb_request_t *sr) 301da6c28aaSamw { 302*2c2961f8Sjose borrego int created = 0; 303*2c2961f8Sjose borrego smb_node_t *node = NULL; 304*2c2961f8Sjose borrego smb_node_t *dnode = NULL; 305*2c2961f8Sjose borrego smb_node_t *cur_node; 306*2c2961f8Sjose borrego open_param_t *op = &sr->arg.open; 307*2c2961f8Sjose borrego int rc; 308*2c2961f8Sjose borrego smb_ofile_t *of; 309*2c2961f8Sjose borrego smb_attr_t new_attr; 310*2c2961f8Sjose borrego int pathlen; 311*2c2961f8Sjose borrego int max_requested = 0; 312*2c2961f8Sjose borrego uint32_t max_allowed; 313*2c2961f8Sjose borrego uint32_t status = NT_STATUS_SUCCESS; 314*2c2961f8Sjose borrego int is_dir; 315*2c2961f8Sjose borrego smb_error_t err; 316*2c2961f8Sjose borrego boolean_t is_stream = B_FALSE; 317*2c2961f8Sjose borrego int lookup_flags = SMB_FOLLOW_LINKS; 318*2c2961f8Sjose borrego uint32_t daccess; 319*2c2961f8Sjose borrego uint32_t uniq_fid; 320da6c28aaSamw 321da6c28aaSamw is_dir = (op->create_options & FILE_DIRECTORY_FILE) ? 1 : 0; 322da6c28aaSamw 323da6c28aaSamw if (is_dir) { 324da6c28aaSamw /* 3257b59d02dSjb * The object being created or opened is a directory, 3267b59d02dSjb * and the Disposition parameter must be one of 3277b59d02dSjb * FILE_CREATE, FILE_OPEN, or FILE_OPEN_IF 328da6c28aaSamw */ 329da6c28aaSamw if ((op->create_disposition != FILE_CREATE) && 330da6c28aaSamw (op->create_disposition != FILE_OPEN_IF) && 331da6c28aaSamw (op->create_disposition != FILE_OPEN)) { 332dc20a302Sas smbsr_error(sr, NT_STATUS_INVALID_PARAMETER, 333da6c28aaSamw ERRDOS, ERROR_INVALID_ACCESS); 3347b59d02dSjb return (NT_STATUS_INVALID_PARAMETER); 335da6c28aaSamw } 336da6c28aaSamw } 337da6c28aaSamw 338da6c28aaSamw if (op->desired_access & MAXIMUM_ALLOWED) { 339da6c28aaSamw max_requested = 1; 340da6c28aaSamw op->desired_access &= ~MAXIMUM_ALLOWED; 341da6c28aaSamw } 342da6c28aaSamw op->desired_access = smb_access_generic_to_file(op->desired_access); 343da6c28aaSamw 344da6c28aaSamw if (sr->session->s_file_cnt >= SMB_SESSION_OFILE_MAX) { 345da6c28aaSamw ASSERT(sr->uid_user); 346da6c28aaSamw cmn_err(CE_NOTE, "smbd[%s\\%s]: %s", sr->uid_user->u_domain, 347da6c28aaSamw sr->uid_user->u_name, 348da6c28aaSamw xlate_nt_status(NT_STATUS_TOO_MANY_OPENED_FILES)); 349da6c28aaSamw 350dc20a302Sas smbsr_error(sr, NT_STATUS_TOO_MANY_OPENED_FILES, 351da6c28aaSamw ERRDOS, ERROR_TOO_MANY_OPEN_FILES); 3527b59d02dSjb return (NT_STATUS_TOO_MANY_OPENED_FILES); 353da6c28aaSamw } 354da6c28aaSamw 355da6c28aaSamw /* This must be NULL at this point */ 356da6c28aaSamw sr->fid_ofile = NULL; 357da6c28aaSamw 358da6c28aaSamw op->devstate = 0; 359da6c28aaSamw 360da6c28aaSamw switch (sr->tid_tree->t_res_type & STYPE_MASK) { 361da6c28aaSamw case STYPE_DISKTREE: 362da6c28aaSamw break; 363da6c28aaSamw 364da6c28aaSamw case STYPE_IPC: 365da6c28aaSamw /* 366da6c28aaSamw * No further processing for IPC, we need to either 367da6c28aaSamw * raise an exception or return success here. 368da6c28aaSamw */ 3693db3f65cSamw if ((status = smb_opipe_open(sr)) != NT_STATUS_SUCCESS) 3707b59d02dSjb smbsr_error(sr, status, 0, 0); 3717b59d02dSjb return (status); 372da6c28aaSamw 373da6c28aaSamw default: 3747b59d02dSjb smbsr_error(sr, NT_STATUS_BAD_DEVICE_TYPE, 3757b59d02dSjb ERRDOS, ERROR_BAD_DEV_TYPE); 3767b59d02dSjb return (NT_STATUS_BAD_DEVICE_TYPE); 377da6c28aaSamw } 378da6c28aaSamw 379da6c28aaSamw if ((pathlen = strlen(op->fqi.path)) >= MAXPATHLEN) { 380dc20a302Sas smbsr_error(sr, 0, ERRSRV, ERRfilespecs); 3817b59d02dSjb return (NT_STATUS_NAME_TOO_LONG); 382da6c28aaSamw } 383da6c28aaSamw 384da6c28aaSamw /* 385da6c28aaSamw * Some clients pass null file names; NT interprets this as "\". 386da6c28aaSamw */ 387da6c28aaSamw if (pathlen == 0) { 388da6c28aaSamw op->fqi.path = "\\"; 389da6c28aaSamw pathlen = 1; 390da6c28aaSamw } 391da6c28aaSamw 392da6c28aaSamw op->fqi.srch_attr = op->fqi.srch_attr; 393da6c28aaSamw 394da6c28aaSamw if ((status = smb_validate_object_name(op->fqi.path, is_dir)) != 0) { 395dc20a302Sas smbsr_error(sr, status, ERRDOS, ERROR_INVALID_NAME); 3967b59d02dSjb return (status); 397da6c28aaSamw } 398da6c28aaSamw 399da6c28aaSamw cur_node = op->fqi.dir_snode ? 400da6c28aaSamw op->fqi.dir_snode : sr->tid_tree->t_snode; 401da6c28aaSamw 402da6c28aaSamw if (rc = smb_pathname_reduce(sr, sr->user_cr, op->fqi.path, 403da6c28aaSamw sr->tid_tree->t_snode, cur_node, &op->fqi.dir_snode, 404da6c28aaSamw op->fqi.last_comp)) { 405dc20a302Sas smbsr_errno(sr, rc); 4067b59d02dSjb return (sr->smb_error.status); 407da6c28aaSamw } 408da6c28aaSamw 409da6c28aaSamw /* 410da6c28aaSamw * If the access mask has only DELETE set (ignore 411da6c28aaSamw * FILE_READ_ATTRIBUTES), then assume that this 412da6c28aaSamw * is a request to delete the link (if a link) 413da6c28aaSamw * and do not follow links. Otherwise, follow 414da6c28aaSamw * the link to the target. 415da6c28aaSamw */ 416da6c28aaSamw 417da6c28aaSamw daccess = op->desired_access & ~FILE_READ_ATTRIBUTES; 418da6c28aaSamw 419da6c28aaSamw if (daccess == DELETE) 420da6c28aaSamw lookup_flags &= ~SMB_FOLLOW_LINKS; 421da6c28aaSamw 422da6c28aaSamw rc = smb_fsop_lookup_name(sr, kcred, lookup_flags, 423da6c28aaSamw sr->tid_tree->t_snode, op->fqi.dir_snode, op->fqi.last_comp, 424da6c28aaSamw &op->fqi.last_snode, &op->fqi.last_attr); 425da6c28aaSamw 426da6c28aaSamw if (rc == 0) { 427da6c28aaSamw op->fqi.last_comp_was_found = 1; 428da6c28aaSamw (void) strcpy(op->fqi.last_comp_od, 429da6c28aaSamw op->fqi.last_snode->od_name); 430da6c28aaSamw } else if (rc == ENOENT) { 431da6c28aaSamw op->fqi.last_comp_was_found = 0; 432da6c28aaSamw op->fqi.last_snode = NULL; 433da6c28aaSamw rc = 0; 434da6c28aaSamw } else { 435da6c28aaSamw smb_node_release(op->fqi.dir_snode); 436da6c28aaSamw SMB_NULL_FQI_NODES(op->fqi); 437dc20a302Sas smbsr_errno(sr, rc); 4387b59d02dSjb return (sr->smb_error.status); 439da6c28aaSamw } 440da6c28aaSamw 441dc20a302Sas /* 442dc20a302Sas * The uniq_fid is a CIFS-server-wide unique identifier for an ofile 443dc20a302Sas * which is used to uniquely identify open instances for the 444c8ec8eeaSjose borrego * VFS share reservation and POSIX locks. 445dc20a302Sas */ 446dc20a302Sas 447dc20a302Sas uniq_fid = SMB_UNIQ_FID(); 448dc20a302Sas 449da6c28aaSamw if (op->fqi.last_comp_was_found) { 4506537f381Sas 4516537f381Sas if ((op->fqi.last_attr.sa_vattr.va_type != VREG) && 4526537f381Sas (op->fqi.last_attr.sa_vattr.va_type != VDIR) && 4536537f381Sas (op->fqi.last_attr.sa_vattr.va_type != VLNK)) { 4546537f381Sas 4556537f381Sas smb_node_release(op->fqi.last_snode); 4566537f381Sas smb_node_release(op->fqi.dir_snode); 4576537f381Sas SMB_NULL_FQI_NODES(op->fqi); 4586537f381Sas smbsr_error(sr, NT_STATUS_ACCESS_DENIED, ERRDOS, 4596537f381Sas ERRnoaccess); 4606537f381Sas return (NT_STATUS_ACCESS_DENIED); 4616537f381Sas } 4626537f381Sas 463da6c28aaSamw node = op->fqi.last_snode; 464da6c28aaSamw dnode = op->fqi.dir_snode; 465da6c28aaSamw 466da6c28aaSamw /* 4672c1b14e5Sjose borrego * Reject this request if either: 4682c1b14e5Sjose borrego * - the target IS a directory and the client requires that 4692c1b14e5Sjose borrego * it must NOT be (required by Lotus Notes) 4702c1b14e5Sjose borrego * - the target is NOT a directory and client requires that 4712c1b14e5Sjose borrego * it MUST be. 472da6c28aaSamw */ 473da6c28aaSamw if (op->fqi.last_attr.sa_vattr.va_type == VDIR) { 4742c1b14e5Sjose borrego if (op->create_options & FILE_NON_DIRECTORY_FILE) { 475da6c28aaSamw smb_node_release(node); 476da6c28aaSamw smb_node_release(dnode); 477da6c28aaSamw SMB_NULL_FQI_NODES(op->fqi); 478dc20a302Sas smbsr_error(sr, NT_STATUS_FILE_IS_A_DIRECTORY, 479da6c28aaSamw ERRDOS, ERROR_ACCESS_DENIED); 4807b59d02dSjb return (NT_STATUS_FILE_IS_A_DIRECTORY); 481da6c28aaSamw } 4822c1b14e5Sjose borrego } else { 4832c1b14e5Sjose borrego if ((op->create_options & FILE_DIRECTORY_FILE) || 484*2c2961f8Sjose borrego (op->nt_flags & NT_CREATE_FLAG_OPEN_TARGET_DIR)) { 4852c1b14e5Sjose borrego smb_node_release(node); 4862c1b14e5Sjose borrego smb_node_release(dnode); 4872c1b14e5Sjose borrego SMB_NULL_FQI_NODES(op->fqi); 4882c1b14e5Sjose borrego smbsr_error(sr, NT_STATUS_NOT_A_DIRECTORY, 4892c1b14e5Sjose borrego ERRDOS, ERROR_DIRECTORY); 4902c1b14e5Sjose borrego return (NT_STATUS_NOT_A_DIRECTORY); 4912c1b14e5Sjose borrego } 492da6c28aaSamw } 493da6c28aaSamw 494da6c28aaSamw /* 495da6c28aaSamw * No more open should be accepted when "Delete on close" 496da6c28aaSamw * flag is set. 497da6c28aaSamw */ 498da6c28aaSamw if (node->flags & NODE_FLAGS_DELETE_ON_CLOSE) { 499da6c28aaSamw smb_node_release(node); 500da6c28aaSamw smb_node_release(dnode); 501da6c28aaSamw SMB_NULL_FQI_NODES(op->fqi); 502dc20a302Sas smbsr_error(sr, NT_STATUS_DELETE_PENDING, 503da6c28aaSamw ERRDOS, ERROR_ACCESS_DENIED); 5047b59d02dSjb return (NT_STATUS_DELETE_PENDING); 505da6c28aaSamw } 506da6c28aaSamw 507da6c28aaSamw /* 508da6c28aaSamw * Specified file already exists so the operation should fail. 509da6c28aaSamw */ 510da6c28aaSamw if (op->create_disposition == FILE_CREATE) { 511da6c28aaSamw smb_node_release(node); 512da6c28aaSamw smb_node_release(dnode); 513da6c28aaSamw SMB_NULL_FQI_NODES(op->fqi); 514dc20a302Sas smbsr_error(sr, NT_STATUS_OBJECT_NAME_COLLISION, 515b89a8333Snatalie li - Sun Microsystems - Irvine United States ERRDOS, ERROR_FILE_EXISTS); 5167b59d02dSjb return (NT_STATUS_OBJECT_NAME_COLLISION); 517da6c28aaSamw } 518da6c28aaSamw 519da6c28aaSamw /* 520da6c28aaSamw * Windows seems to check read-only access before file 521da6c28aaSamw * sharing check. 522c8ec8eeaSjose borrego * 523c8ec8eeaSjose borrego * Check to see if the file is currently readonly (irrespective 524c8ec8eeaSjose borrego * of whether this open will make it readonly). 525da6c28aaSamw */ 526c8ec8eeaSjose borrego if (SMB_PATHFILE_IS_READONLY(sr, node)) { 527da6c28aaSamw /* Files data only */ 528da6c28aaSamw if (node->attr.sa_vattr.va_type != VDIR) { 529da6c28aaSamw if (op->desired_access & (FILE_WRITE_DATA | 530da6c28aaSamw FILE_APPEND_DATA)) { 531da6c28aaSamw smb_node_release(node); 532da6c28aaSamw smb_node_release(dnode); 533da6c28aaSamw SMB_NULL_FQI_NODES(op->fqi); 534dc20a302Sas smbsr_error(sr, NT_STATUS_ACCESS_DENIED, 535dc20a302Sas ERRDOS, ERRnoaccess); 5367b59d02dSjb return (NT_STATUS_ACCESS_DENIED); 537da6c28aaSamw } 538da6c28aaSamw } 539da6c28aaSamw } 540da6c28aaSamw 5418c10a865Sas if (smb_oplock_conflict(node, sr->session, op)) 542*2c2961f8Sjose borrego (void) smb_oplock_break(node, 543*2c2961f8Sjose borrego SMB_SESSION_GET_ID(sr->session), B_FALSE); 5448c10a865Sas 545*2c2961f8Sjose borrego smb_node_wrlock(node); 546dc20a302Sas 547dc20a302Sas if ((op->create_disposition == FILE_SUPERSEDE) || 548dc20a302Sas (op->create_disposition == FILE_OVERWRITE_IF) || 549dc20a302Sas (op->create_disposition == FILE_OVERWRITE)) { 550dc20a302Sas 5512c1b14e5Sjose borrego if ((!(op->desired_access & 5528c10a865Sas (FILE_WRITE_DATA | FILE_APPEND_DATA | 5532c1b14e5Sjose borrego FILE_WRITE_ATTRIBUTES | FILE_WRITE_EA))) || 5547f667e74Sjose borrego (!smb_sattr_check(node->attr.sa_dosattr, 555*2c2961f8Sjose borrego op->dattr))) { 556*2c2961f8Sjose borrego smb_node_unlock(node); 557dc20a302Sas smb_node_release(node); 558dc20a302Sas smb_node_release(dnode); 559dc20a302Sas SMB_NULL_FQI_NODES(op->fqi); 560dc20a302Sas smbsr_error(sr, NT_STATUS_ACCESS_DENIED, 561dc20a302Sas ERRDOS, ERRnoaccess); 5627b59d02dSjb return (NT_STATUS_ACCESS_DENIED); 563dc20a302Sas } 564dc20a302Sas } 565dc20a302Sas 566dc20a302Sas status = smb_fsop_shrlock(sr->user_cr, node, uniq_fid, 567c8ec8eeaSjose borrego op->desired_access, op->share_access); 568dc20a302Sas 569da6c28aaSamw if (status == NT_STATUS_SHARING_VIOLATION) { 570*2c2961f8Sjose borrego smb_node_unlock(node); 571da6c28aaSamw smb_node_release(node); 572da6c28aaSamw smb_node_release(dnode); 573da6c28aaSamw SMB_NULL_FQI_NODES(op->fqi); 574da6c28aaSamw return (status); 575da6c28aaSamw } 576da6c28aaSamw 577da6c28aaSamw status = smb_fsop_access(sr, sr->user_cr, node, 578da6c28aaSamw op->desired_access); 579da6c28aaSamw 580da6c28aaSamw if (status != NT_STATUS_SUCCESS) { 581dc20a302Sas smb_fsop_unshrlock(sr->user_cr, node, uniq_fid); 582dc20a302Sas 583*2c2961f8Sjose borrego smb_node_unlock(node); 584da6c28aaSamw smb_node_release(node); 585da6c28aaSamw smb_node_release(dnode); 586da6c28aaSamw SMB_NULL_FQI_NODES(op->fqi); 587dc20a302Sas 588da6c28aaSamw if (status == NT_STATUS_PRIVILEGE_NOT_HELD) { 589dc20a302Sas smbsr_error(sr, status, 590dc20a302Sas ERRDOS, ERROR_PRIVILEGE_NOT_HELD); 5917b59d02dSjb return (status); 592da6c28aaSamw } else { 593dc20a302Sas smbsr_error(sr, NT_STATUS_ACCESS_DENIED, 594dc20a302Sas ERRDOS, ERROR_ACCESS_DENIED); 5957b59d02dSjb return (NT_STATUS_ACCESS_DENIED); 596da6c28aaSamw } 597da6c28aaSamw } 598da6c28aaSamw 599da6c28aaSamw switch (op->create_disposition) { 600da6c28aaSamw case FILE_SUPERSEDE: 601da6c28aaSamw case FILE_OVERWRITE_IF: 602da6c28aaSamw case FILE_OVERWRITE: 603da6c28aaSamw if (node->attr.sa_vattr.va_type == VDIR) { 604dc20a302Sas smb_fsop_unshrlock(sr->user_cr, node, uniq_fid); 605*2c2961f8Sjose borrego smb_node_unlock(node); 606da6c28aaSamw smb_node_release(node); 607da6c28aaSamw smb_node_release(dnode); 608da6c28aaSamw SMB_NULL_FQI_NODES(op->fqi); 609dc20a302Sas smbsr_error(sr, NT_STATUS_ACCESS_DENIED, 610dc20a302Sas ERRDOS, ERROR_ACCESS_DENIED); 6117b59d02dSjb return (NT_STATUS_ACCESS_DENIED); 612da6c28aaSamw } 613da6c28aaSamw 614da6c28aaSamw if (node->attr.sa_vattr.va_size != op->dsize) { 615da6c28aaSamw node->flags &= ~NODE_FLAGS_SET_SIZE; 616dc20a302Sas bzero(&new_attr, sizeof (new_attr)); 617da6c28aaSamw new_attr.sa_vattr.va_size = op->dsize; 618da6c28aaSamw new_attr.sa_mask = SMB_AT_SIZE; 619dc20a302Sas 620dc20a302Sas rc = smb_fsop_setattr(sr, sr->user_cr, 621dc20a302Sas node, &new_attr, &op->fqi.last_attr); 622dc20a302Sas 623dc20a302Sas if (rc) { 624faa1795aSjb smb_fsop_unshrlock(sr->user_cr, node, 625faa1795aSjb uniq_fid); 626*2c2961f8Sjose borrego smb_node_unlock(node); 627da6c28aaSamw smb_node_release(node); 628da6c28aaSamw smb_node_release(dnode); 629da6c28aaSamw SMB_NULL_FQI_NODES(op->fqi); 630dc20a302Sas smbsr_errno(sr, rc); 6317b59d02dSjb return (sr->smb_error.status); 632da6c28aaSamw } 633da6c28aaSamw 634dc20a302Sas op->dsize = op->fqi.last_attr.sa_vattr.va_size; 635da6c28aaSamw } 636da6c28aaSamw 6372c1b14e5Sjose borrego op->dattr |= FILE_ATTRIBUTE_ARCHIVE; 6382c1b14e5Sjose borrego if (op->dattr & FILE_ATTRIBUTE_READONLY) { 6392c1b14e5Sjose borrego op->created_readonly = B_TRUE; 6402c1b14e5Sjose borrego op->dattr &= ~FILE_ATTRIBUTE_READONLY; 6412c1b14e5Sjose borrego } 6422c1b14e5Sjose borrego 6432c1b14e5Sjose borrego smb_node_set_dosattr(node, op->dattr); 6442c1b14e5Sjose borrego (void) smb_sync_fsattr(sr, sr->user_cr, node); 6452c1b14e5Sjose borrego 646da6c28aaSamw /* 647da6c28aaSamw * If file is being replaced, 648da6c28aaSamw * we should remove existing streams 649da6c28aaSamw */ 650da6c28aaSamw if (SMB_IS_STREAM(node) == 0) 651da6c28aaSamw (void) smb_fsop_remove_streams(sr, sr->user_cr, 652da6c28aaSamw node); 653da6c28aaSamw 654da6c28aaSamw op->action_taken = SMB_OACT_TRUNCATED; 655da6c28aaSamw break; 656da6c28aaSamw 657da6c28aaSamw default: 658da6c28aaSamw /* 659da6c28aaSamw * FILE_OPEN or FILE_OPEN_IF. 660da6c28aaSamw */ 661da6c28aaSamw op->action_taken = SMB_OACT_OPENED; 662da6c28aaSamw break; 663da6c28aaSamw } 664da6c28aaSamw } else { 665da6c28aaSamw /* Last component was not found. */ 666da6c28aaSamw dnode = op->fqi.dir_snode; 667da6c28aaSamw 6687b59d02dSjb if (is_dir == 0) 6698d7e4166Sjose borrego is_stream = smb_is_stream_name(op->fqi.path); 6707b59d02dSjb 671da6c28aaSamw if ((op->create_disposition == FILE_OPEN) || 672da6c28aaSamw (op->create_disposition == FILE_OVERWRITE)) { 673da6c28aaSamw smb_node_release(dnode); 674da6c28aaSamw SMB_NULL_FQI_NODES(op->fqi); 675faa1795aSjb smbsr_error(sr, NT_STATUS_OBJECT_NAME_NOT_FOUND, 676faa1795aSjb ERRDOS, ERROR_FILE_NOT_FOUND); 6777b59d02dSjb return (NT_STATUS_OBJECT_NAME_NOT_FOUND); 678da6c28aaSamw } 679da6c28aaSamw 680*2c2961f8Sjose borrego if ((is_dir == 0) && (!is_stream) && 681*2c2961f8Sjose borrego smb_is_invalid_filename(op->fqi.last_comp)) { 682*2c2961f8Sjose borrego smb_node_release(dnode); 683*2c2961f8Sjose borrego SMB_NULL_FQI_NODES(op->fqi); 684*2c2961f8Sjose borrego smbsr_error(sr, NT_STATUS_OBJECT_NAME_INVALID, 685*2c2961f8Sjose borrego ERRDOS, ERROR_INVALID_NAME); 686*2c2961f8Sjose borrego return (NT_STATUS_OBJECT_NAME_INVALID); 687*2c2961f8Sjose borrego } 688*2c2961f8Sjose borrego 689da6c28aaSamw /* 690da6c28aaSamw * lock the parent dir node in case another create 691da6c28aaSamw * request to the same parent directory comes in. 692da6c28aaSamw */ 693*2c2961f8Sjose borrego smb_node_wrlock(dnode); 694da6c28aaSamw 695da6c28aaSamw bzero(&new_attr, sizeof (new_attr)); 6962c1b14e5Sjose borrego new_attr.sa_dosattr = op->dattr; 6972c1b14e5Sjose borrego new_attr.sa_mask |= SMB_AT_DOSATTR; 698c8ec8eeaSjose borrego 699c8ec8eeaSjose borrego /* 700c8ec8eeaSjose borrego * A file created with the readonly bit should not 701c8ec8eeaSjose borrego * stop the creator writing to the file until it is 702c8ec8eeaSjose borrego * closed. Although the readonly bit will not be set 703c8ec8eeaSjose borrego * on the file until it is closed, it will be accounted 704c8ec8eeaSjose borrego * for on other fids and on queries based on the node 705c8ec8eeaSjose borrego * state. 706c8ec8eeaSjose borrego */ 7072c1b14e5Sjose borrego if (op->dattr & FILE_ATTRIBUTE_READONLY) 7082c1b14e5Sjose borrego new_attr.sa_dosattr &= ~FILE_ATTRIBUTE_READONLY; 709c8ec8eeaSjose borrego 710c8ec8eeaSjose borrego 711c8ec8eeaSjose borrego if ((op->crtime.tv_sec != 0) && 712c8ec8eeaSjose borrego (op->crtime.tv_sec != UINT_MAX)) { 713c8ec8eeaSjose borrego 714c8ec8eeaSjose borrego new_attr.sa_mask |= SMB_AT_CRTIME; 715c8ec8eeaSjose borrego new_attr.sa_crtime = op->crtime; 716c8ec8eeaSjose borrego } 717c8ec8eeaSjose borrego 718da6c28aaSamw if (is_dir == 0) { 7192c1b14e5Sjose borrego new_attr.sa_dosattr |= FILE_ATTRIBUTE_ARCHIVE; 720da6c28aaSamw new_attr.sa_vattr.va_type = VREG; 7217b59d02dSjb new_attr.sa_vattr.va_mode = is_stream ? S_IRUSR : 7227b59d02dSjb S_IRUSR | S_IRGRP | S_IROTH | 7237b59d02dSjb S_IWUSR | S_IWGRP | S_IWOTH; 724c8ec8eeaSjose borrego new_attr.sa_mask |= SMB_AT_TYPE | SMB_AT_MODE; 725dc20a302Sas 7266537f381Sas if (op->dsize) { 7276537f381Sas new_attr.sa_vattr.va_size = op->dsize; 7286537f381Sas new_attr.sa_mask |= SMB_AT_SIZE; 729dc20a302Sas } 730dc20a302Sas 731da6c28aaSamw rc = smb_fsop_create(sr, sr->user_cr, dnode, 732da6c28aaSamw op->fqi.last_comp, &new_attr, 733da6c28aaSamw &op->fqi.last_snode, &op->fqi.last_attr); 734dc20a302Sas 735da6c28aaSamw if (rc != 0) { 736*2c2961f8Sjose borrego smb_node_unlock(dnode); 737da6c28aaSamw smb_node_release(dnode); 738da6c28aaSamw SMB_NULL_FQI_NODES(op->fqi); 739dc20a302Sas smbsr_errno(sr, rc); 7407b59d02dSjb return (sr->smb_error.status); 741da6c28aaSamw } 742da6c28aaSamw 743dc20a302Sas node = op->fqi.last_snode; 744dc20a302Sas 745c8ec8eeaSjose borrego op->fqi.last_attr = node->attr; 746c8ec8eeaSjose borrego 747*2c2961f8Sjose borrego smb_node_wrlock(node); 748dc20a302Sas 749faa1795aSjb status = smb_fsop_shrlock(sr->user_cr, node, uniq_fid, 750c8ec8eeaSjose borrego op->desired_access, op->share_access); 751dc20a302Sas 752dc20a302Sas if (status == NT_STATUS_SHARING_VIOLATION) { 753*2c2961f8Sjose borrego smb_node_unlock(node); 754c8ec8eeaSjose borrego SMB_DEL_NEWOBJ(op->fqi); 755dc20a302Sas smb_node_release(node); 756*2c2961f8Sjose borrego smb_node_unlock(dnode); 757dc20a302Sas smb_node_release(dnode); 758dc20a302Sas SMB_NULL_FQI_NODES(op->fqi); 759dc20a302Sas return (status); 760dc20a302Sas } 761da6c28aaSamw } else { 7623db3f65cSamw op->dattr |= FILE_ATTRIBUTE_DIRECTORY; 763da6c28aaSamw new_attr.sa_vattr.va_type = VDIR; 764da6c28aaSamw new_attr.sa_vattr.va_mode = 0777; 765c8ec8eeaSjose borrego new_attr.sa_mask |= SMB_AT_TYPE | SMB_AT_MODE; 766c8ec8eeaSjose borrego 767da6c28aaSamw rc = smb_fsop_mkdir(sr, sr->user_cr, dnode, 768da6c28aaSamw op->fqi.last_comp, &new_attr, 769da6c28aaSamw &op->fqi.last_snode, &op->fqi.last_attr); 770da6c28aaSamw if (rc != 0) { 771*2c2961f8Sjose borrego smb_node_unlock(dnode); 772da6c28aaSamw smb_node_release(dnode); 773da6c28aaSamw SMB_NULL_FQI_NODES(op->fqi); 774dc20a302Sas smbsr_errno(sr, rc); 7757b59d02dSjb return (sr->smb_error.status); 776da6c28aaSamw } 777dc20a302Sas 778dc20a302Sas node = op->fqi.last_snode; 779*2c2961f8Sjose borrego smb_node_wrlock(node); 780da6c28aaSamw } 781da6c28aaSamw 782da6c28aaSamw created = 1; 783da6c28aaSamw op->action_taken = SMB_OACT_CREATED; 784c8ec8eeaSjose borrego node->flags |= NODE_FLAGS_CREATED; 785c8ec8eeaSjose borrego 786c8ec8eeaSjose borrego if (op->dattr & FILE_ATTRIBUTE_READONLY) { 787c8ec8eeaSjose borrego op->created_readonly = B_TRUE; 788c8ec8eeaSjose borrego op->dattr &= ~FILE_ATTRIBUTE_READONLY; 789c8ec8eeaSjose borrego } 7902c1b14e5Sjose borrego } 791c8ec8eeaSjose borrego 7922c1b14e5Sjose borrego op->dattr = smb_node_get_dosattr(node); 793c8ec8eeaSjose borrego 7942c1b14e5Sjose borrego if (max_requested) { 7952c1b14e5Sjose borrego smb_fsop_eaccess(sr, sr->user_cr, node, &max_allowed); 7962c1b14e5Sjose borrego op->desired_access |= max_allowed; 797c8ec8eeaSjose borrego } 798c8ec8eeaSjose borrego 7992c1b14e5Sjose borrego /* 8002c1b14e5Sjose borrego * if last_write time was in request and is not 0 or -1, 8012c1b14e5Sjose borrego * use it as file's mtime 8022c1b14e5Sjose borrego */ 8032c1b14e5Sjose borrego if ((op->mtime.tv_sec != 0) && (op->mtime.tv_sec != UINT_MAX)) { 8042c1b14e5Sjose borrego smb_node_set_time(node, NULL, &op->mtime, NULL, NULL, 8052c1b14e5Sjose borrego SMB_AT_MTIME); 8062c1b14e5Sjose borrego (void) smb_sync_fsattr(sr, sr->user_cr, node); 8072c1b14e5Sjose borrego } 808c8ec8eeaSjose borrego 809da6c28aaSamw /* 810da6c28aaSamw * smb_ofile_open() will copy node to of->node. Hence 811da6c28aaSamw * the hold on node (i.e. op->fqi.last_snode) will be "transferred" 812da6c28aaSamw * to the "of" structure. 813da6c28aaSamw */ 814da6c28aaSamw 815c8ec8eeaSjose borrego of = smb_ofile_open(sr->tid_tree, node, sr->smb_pid, op, SMB_FTYPE_DISK, 816c8ec8eeaSjose borrego uniq_fid, &err); 817da6c28aaSamw 818da6c28aaSamw if (of == NULL) { 819dc20a302Sas smb_fsop_unshrlock(sr->user_cr, node, uniq_fid); 820dc20a302Sas 821da6c28aaSamw SMB_DEL_NEWOBJ(op->fqi); 822*2c2961f8Sjose borrego smb_node_unlock(node); 823da6c28aaSamw smb_node_release(node); 824da6c28aaSamw if (created) 825*2c2961f8Sjose borrego smb_node_unlock(dnode); 826da6c28aaSamw smb_node_release(dnode); 827da6c28aaSamw SMB_NULL_FQI_NODES(op->fqi); 828dc20a302Sas smbsr_error(sr, err.status, err.errcls, err.errcode); 8297b59d02dSjb return (err.status); 830da6c28aaSamw } 831da6c28aaSamw 8328c10a865Sas /* 8338c10a865Sas * Propagate the write-through mode from the open params 8348c10a865Sas * to the node: see the notes in the function header. 8358c10a865Sas */ 8368c10a865Sas if (sr->sr_cfg->skc_sync_enable || 8378c10a865Sas (op->create_options & FILE_WRITE_THROUGH)) 8388c10a865Sas node->flags |= NODE_FLAGS_WRITE_THROUGH; 8398c10a865Sas 8408c10a865Sas op->fileid = op->fqi.last_attr.sa_vattr.va_nodeid; 8418c10a865Sas 842da6c28aaSamw /* 843da6c28aaSamw * Set up the file type in open_param for the response 844da6c28aaSamw */ 845da6c28aaSamw op->ftype = SMB_FTYPE_DISK; 846da6c28aaSamw sr->smb_fid = of->f_fid; 847da6c28aaSamw sr->fid_ofile = of; 848da6c28aaSamw 849*2c2961f8Sjose borrego smb_node_unlock(node); 850dc20a302Sas 851dc20a302Sas if (created) 852*2c2961f8Sjose borrego smb_node_unlock(dnode); 853*2c2961f8Sjose borrego 854*2c2961f8Sjose borrego if (op->fqi.last_attr.sa_vattr.va_type == VREG) { 855*2c2961f8Sjose borrego smb_oplock_acquire(node, of, op); 856*2c2961f8Sjose borrego op->dsize = op->fqi.last_attr.sa_vattr.va_size; 857*2c2961f8Sjose borrego } else { /* VDIR or VLNK */ 858*2c2961f8Sjose borrego op->op_oplock_level = SMB_OPLOCK_NONE; 859*2c2961f8Sjose borrego op->dsize = 0; 860*2c2961f8Sjose borrego } 861dc20a302Sas 862da6c28aaSamw smb_node_release(dnode); 863da6c28aaSamw SMB_NULL_FQI_NODES(op->fqi); 864da6c28aaSamw 865da6c28aaSamw return (NT_STATUS_SUCCESS); 866da6c28aaSamw } 867da6c28aaSamw 868da6c28aaSamw /* 869da6c28aaSamw * smb_validate_object_name 870da6c28aaSamw * 8718d7e4166Sjose borrego * Very basic file name validation. 8728d7e4166Sjose borrego * Directory validation is handed off to smb_validate_dirname. 8738d7e4166Sjose borrego * For filenames, we check for names of the form "AAAn:". Names that 8748d7e4166Sjose borrego * contain three characters, a single digit and a colon (:) are reserved 8758d7e4166Sjose borrego * as DOS device names, i.e. "COM1:". 8768d7e4166Sjose borrego * Stream name validation is handed off to smb_validate_stream_name 877da6c28aaSamw * 878da6c28aaSamw * Returns NT status codes. 879da6c28aaSamw */ 880da6c28aaSamw uint32_t 881da6c28aaSamw smb_validate_object_name(char *path, unsigned int ftype) 882da6c28aaSamw { 883da6c28aaSamw char *filename; 884da6c28aaSamw 885da6c28aaSamw if (path == 0) 886da6c28aaSamw return (0); 887da6c28aaSamw 888da6c28aaSamw if (ftype) 889da6c28aaSamw return (smb_validate_dirname(path)); 890da6c28aaSamw 891da6c28aaSamw /* 892da6c28aaSamw * Basename with backslashes. 893da6c28aaSamw */ 894da6c28aaSamw if ((filename = strrchr(path, '\\')) != 0) 895da6c28aaSamw ++filename; 896da6c28aaSamw else 897da6c28aaSamw filename = path; 898da6c28aaSamw 899da6c28aaSamw if (strlen(filename) == 5 && 900da6c28aaSamw mts_isdigit(filename[3]) && 901da6c28aaSamw filename[4] == ':') { 902da6c28aaSamw return (NT_STATUS_OBJECT_NAME_INVALID); 903da6c28aaSamw } 904da6c28aaSamw 9058d7e4166Sjose borrego if (smb_is_stream_name(path)) 9068d7e4166Sjose borrego return (smb_validate_stream_name(path)); 9078d7e4166Sjose borrego 908da6c28aaSamw return (0); 909da6c28aaSamw } 910da6c28aaSamw 911da6c28aaSamw /* 912da6c28aaSamw * smb_preset_delete_on_close 913da6c28aaSamw * 914da6c28aaSamw * Set the DeleteOnClose flag on the smb file. When the file is closed, 915da6c28aaSamw * the flag will be transferred to the smb node, which will commit the 916da6c28aaSamw * delete operation and inhibit subsequent open requests. 917da6c28aaSamw * 918da6c28aaSamw * When DeleteOnClose is set on an smb_node, the common open code will 919da6c28aaSamw * reject subsequent open requests for the file. Observation of Windows 920da6c28aaSamw * 2000 indicates that subsequent opens should be allowed (assuming 921da6c28aaSamw * there would be no sharing violation) until the file is closed using 922da6c28aaSamw * the fid on which the DeleteOnClose was requested. 923da6c28aaSamw */ 924da6c28aaSamw void 925da6c28aaSamw smb_preset_delete_on_close(smb_ofile_t *file) 926da6c28aaSamw { 927da6c28aaSamw mutex_enter(&file->f_mutex); 928da6c28aaSamw file->f_flags |= SMB_OFLAGS_SET_DELETE_ON_CLOSE; 929da6c28aaSamw mutex_exit(&file->f_mutex); 930da6c28aaSamw } 931