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 /* 22f96bd5c8SAlan Wright * Copyright 2010 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 31bbf6f00cSJordan Brown #include <sys/types.h> 32bbf6f00cSJordan Brown #include <sys/cmn_err.h> 33da6c28aaSamw #include <sys/fcntl.h> 34dc20a302Sas200622 #include <sys/nbmlock.h> 35bbf6f00cSJordan Brown #include <smbsrv/string.h> 36bbf6f00cSJordan Brown #include <smbsrv/smb_kproto.h> 37bbf6f00cSJordan Brown #include <smbsrv/smb_fsops.h> 38bbf6f00cSJordan Brown #include <smbsrv/smbinfo.h> 39da6c28aaSamw 40faa1795aSjb150015 volatile uint32_t smb_fids = 0; 417b59d02dSjb150015 427b59d02dSjb150015 static uint32_t smb_open_subr(smb_request_t *); 43faa1795aSjb150015 extern uint32_t smb_is_executable(char *); 448b2cc8acSafshin salek ardakani - Sun Microsystems - Irvine United States static void smb_delete_new_object(smb_request_t *); 45037cac00Sjoyce mcintosh static int smb_set_open_timestamps(smb_request_t *, smb_ofile_t *, boolean_t); 46da6c28aaSamw 47da6c28aaSamw /* 48da6c28aaSamw * smb_access_generic_to_file 49da6c28aaSamw * 50da6c28aaSamw * Search MSDN for IoCreateFile to see following mapping. 51da6c28aaSamw * 52da6c28aaSamw * GENERIC_READ STANDARD_RIGHTS_READ, FILE_READ_DATA, 53da6c28aaSamw * FILE_READ_ATTRIBUTES and FILE_READ_EA 54da6c28aaSamw * 55da6c28aaSamw * GENERIC_WRITE STANDARD_RIGHTS_WRITE, FILE_WRITE_DATA, 56da6c28aaSamw * FILE_WRITE_ATTRIBUTES, FILE_WRITE_EA, and FILE_APPEND_DATA 57da6c28aaSamw * 58da6c28aaSamw * GENERIC_EXECUTE STANDARD_RIGHTS_EXECUTE, SYNCHRONIZE, and FILE_EXECUTE. 59da6c28aaSamw */ 60da6c28aaSamw uint32_t 61da6c28aaSamw smb_access_generic_to_file(uint32_t desired_access) 62da6c28aaSamw { 63da6c28aaSamw uint32_t access = 0; 64da6c28aaSamw 65da6c28aaSamw if (desired_access & GENERIC_ALL) 66da6c28aaSamw return (FILE_ALL_ACCESS & ~SYNCHRONIZE); 67da6c28aaSamw 68da6c28aaSamw if (desired_access & GENERIC_EXECUTE) { 69da6c28aaSamw desired_access &= ~GENERIC_EXECUTE; 70da6c28aaSamw access |= (STANDARD_RIGHTS_EXECUTE | 71da6c28aaSamw SYNCHRONIZE | FILE_EXECUTE); 72da6c28aaSamw } 73da6c28aaSamw 74da6c28aaSamw if (desired_access & GENERIC_WRITE) { 75da6c28aaSamw desired_access &= ~GENERIC_WRITE; 76da6c28aaSamw access |= (FILE_GENERIC_WRITE & ~SYNCHRONIZE); 77da6c28aaSamw } 78da6c28aaSamw 79da6c28aaSamw if (desired_access & GENERIC_READ) { 80da6c28aaSamw desired_access &= ~GENERIC_READ; 81da6c28aaSamw access |= FILE_GENERIC_READ; 82da6c28aaSamw } 83da6c28aaSamw 84da6c28aaSamw return (access | desired_access); 85da6c28aaSamw } 86da6c28aaSamw 87da6c28aaSamw /* 88da6c28aaSamw * smb_omode_to_amask 89da6c28aaSamw * 90da6c28aaSamw * This function converts open modes used by Open and Open AndX 91da6c28aaSamw * commands to desired access bits used by NT Create AndX command. 92da6c28aaSamw */ 93da6c28aaSamw uint32_t 94da6c28aaSamw smb_omode_to_amask(uint32_t desired_access) 95da6c28aaSamw { 96da6c28aaSamw switch (desired_access & SMB_DA_ACCESS_MASK) { 97da6c28aaSamw case SMB_DA_ACCESS_READ: 98da6c28aaSamw return (FILE_GENERIC_READ); 99da6c28aaSamw 100da6c28aaSamw case SMB_DA_ACCESS_WRITE: 101da6c28aaSamw return (FILE_GENERIC_WRITE); 102da6c28aaSamw 103da6c28aaSamw case SMB_DA_ACCESS_READ_WRITE: 104da6c28aaSamw return (FILE_GENERIC_READ | FILE_GENERIC_WRITE); 105da6c28aaSamw 106da6c28aaSamw case SMB_DA_ACCESS_EXECUTE: 107da6c28aaSamw return (FILE_GENERIC_EXECUTE); 108da6c28aaSamw 1092c2961f8Sjose borrego default: 1102c2961f8Sjose borrego return (FILE_GENERIC_ALL); 1112c2961f8Sjose borrego } 112da6c28aaSamw } 113da6c28aaSamw 114da6c28aaSamw /* 115da6c28aaSamw * smb_denymode_to_sharemode 116da6c28aaSamw * 117da6c28aaSamw * This function converts deny modes used by Open and Open AndX 118da6c28aaSamw * commands to share access bits used by NT Create AndX command. 119da6c28aaSamw */ 120da6c28aaSamw uint32_t 121da6c28aaSamw smb_denymode_to_sharemode(uint32_t desired_access, char *fname) 122da6c28aaSamw { 123da6c28aaSamw switch (desired_access & SMB_DA_SHARE_MASK) { 124da6c28aaSamw case SMB_DA_SHARE_COMPATIBILITY: 125da6c28aaSamw if (smb_is_executable(fname)) 126da6c28aaSamw return (FILE_SHARE_READ | FILE_SHARE_WRITE); 127c8ec8eeaSjose borrego 128c8ec8eeaSjose borrego return (FILE_SHARE_ALL); 129da6c28aaSamw 130da6c28aaSamw case SMB_DA_SHARE_EXCLUSIVE: 131da6c28aaSamw return (FILE_SHARE_NONE); 132da6c28aaSamw 133da6c28aaSamw case SMB_DA_SHARE_DENY_WRITE: 134da6c28aaSamw return (FILE_SHARE_READ); 135da6c28aaSamw 136da6c28aaSamw case SMB_DA_SHARE_DENY_READ: 137da6c28aaSamw return (FILE_SHARE_WRITE); 138da6c28aaSamw 139da6c28aaSamw case SMB_DA_SHARE_DENY_NONE: 1402c2961f8Sjose borrego default: 141da6c28aaSamw return (FILE_SHARE_READ | FILE_SHARE_WRITE); 142da6c28aaSamw } 143da6c28aaSamw } 144da6c28aaSamw 145da6c28aaSamw /* 146da6c28aaSamw * smb_ofun_to_crdisposition 147da6c28aaSamw * 148da6c28aaSamw * This function converts open function values used by Open and Open AndX 149da6c28aaSamw * commands to create disposition values used by NT Create AndX command. 150da6c28aaSamw */ 151da6c28aaSamw uint32_t 152da6c28aaSamw smb_ofun_to_crdisposition(uint16_t ofun) 153da6c28aaSamw { 154da6c28aaSamw static int ofun_cr_map[3][2] = 155da6c28aaSamw { 156da6c28aaSamw { -1, FILE_CREATE }, 157da6c28aaSamw { FILE_OPEN, FILE_OPEN_IF }, 158da6c28aaSamw { FILE_OVERWRITE, FILE_OVERWRITE_IF } 159da6c28aaSamw }; 160da6c28aaSamw 161da6c28aaSamw int row = ofun & SMB_OFUN_OPEN_MASK; 162da6c28aaSamw int col = (ofun & SMB_OFUN_CREATE_MASK) >> 4; 163da6c28aaSamw 164da6c28aaSamw if (row == 3) 1652c2961f8Sjose borrego return (FILE_MAXIMUM_DISPOSITION + 1); 166da6c28aaSamw 167da6c28aaSamw return (ofun_cr_map[row][col]); 168da6c28aaSamw } 169da6c28aaSamw 170da6c28aaSamw /* 1717b59d02dSjb150015 * Retry opens to avoid spurious sharing violations, due to timing 1727b59d02dSjb150015 * issues between closes and opens. The client that already has the 1737b59d02dSjb150015 * file open may be in the process of closing it. 1747b59d02dSjb150015 */ 1757b59d02dSjb150015 uint32_t 1767b59d02dSjb150015 smb_common_open(smb_request_t *sr) 1777b59d02dSjb150015 { 178bbf6f00cSJordan Brown open_param_t *parg; 1797b59d02dSjb150015 uint32_t status = NT_STATUS_SUCCESS; 1807b59d02dSjb150015 int count; 1817b59d02dSjb150015 182bbf6f00cSJordan Brown parg = kmem_alloc(sizeof (*parg), KM_SLEEP); 183bbf6f00cSJordan Brown bcopy(&sr->arg.open, parg, sizeof (*parg)); 184bbf6f00cSJordan Brown 1857b59d02dSjb150015 for (count = 0; count <= 4; count++) { 186bbf6f00cSJordan Brown if (count != 0) 1877b59d02dSjb150015 delay(MSEC_TO_TICK(400)); 1887b59d02dSjb150015 189faa1795aSjb150015 status = smb_open_subr(sr); 190faa1795aSjb150015 if (status != NT_STATUS_SHARING_VIOLATION) 1917b59d02dSjb150015 break; 192bbf6f00cSJordan Brown 193bbf6f00cSJordan Brown bcopy(parg, &sr->arg.open, sizeof (*parg)); 1947b59d02dSjb150015 } 1957b59d02dSjb150015 196faa1795aSjb150015 if (status == NT_STATUS_SHARING_VIOLATION) { 1977b59d02dSjb150015 smbsr_error(sr, NT_STATUS_SHARING_VIOLATION, 1987b59d02dSjb150015 ERRDOS, ERROR_SHARING_VIOLATION); 1997b59d02dSjb150015 } 2007b59d02dSjb150015 2012c2961f8Sjose borrego if (status == NT_STATUS_NO_SUCH_FILE) { 2022c2961f8Sjose borrego smbsr_error(sr, NT_STATUS_OBJECT_NAME_NOT_FOUND, 2032c2961f8Sjose borrego ERRDOS, ERROR_FILE_NOT_FOUND); 2042c2961f8Sjose borrego } 2052c2961f8Sjose borrego 206bbf6f00cSJordan Brown kmem_free(parg, sizeof (*parg)); 207bbf6f00cSJordan Brown 2087b59d02dSjb150015 return (status); 2097b59d02dSjb150015 } 2107b59d02dSjb150015 2117b59d02dSjb150015 /* 212da6c28aaSamw * smb_open_subr 213da6c28aaSamw * 214da6c28aaSamw * Notes on write-through behaviour. It looks like pre-LM0.12 versions 215da6c28aaSamw * of the protocol specify the write-through mode when a file is opened, 216da6c28aaSamw * (SmbOpen, SmbOpenAndX) so the write calls (SmbWrite, SmbWriteAndClose, 217da6c28aaSamw * SmbWriteAndUnlock) don't need to contain a write-through flag. 218da6c28aaSamw * 219da6c28aaSamw * With LM0.12, the open calls (SmbCreateAndX, SmbNtTransactCreate) 220da6c28aaSamw * don't indicate which write-through mode to use. Instead the write 221da6c28aaSamw * calls (SmbWriteAndX, SmbWriteRaw) specify the mode on a per call 222da6c28aaSamw * basis. 223da6c28aaSamw * 224da6c28aaSamw * We don't care which open call was used to get us here, we just need 225da6c28aaSamw * to ensure that the write-through mode flag is copied from the open 226da6c28aaSamw * parameters to the node. We test the omode write-through flag in all 227da6c28aaSamw * write functions. 228da6c28aaSamw * 229da6c28aaSamw * This function will return NT status codes but it also raises errors, 230da6c28aaSamw * in which case it won't return to the caller. Be careful how you 231da6c28aaSamw * handle things in here. 2328c10a865Sas200622 * 2338c10a865Sas200622 * The following rules apply when processing a file open request: 2348c10a865Sas200622 * 2358c10a865Sas200622 * - Oplocks must be broken prior to share checking to prevent open 2368c10a865Sas200622 * starvation due to batch oplocks. Checking share reservations first 2378c10a865Sas200622 * could potentially result in unnecessary open failures due to 2388c10a865Sas200622 * open/close batching on the client. 2398c10a865Sas200622 * 2408c10a865Sas200622 * - Share checks must take place prior to access checks for correct 2418c10a865Sas200622 * Windows semantics and to prevent unnecessary NFS delegation recalls. 2428c10a865Sas200622 * 2438c10a865Sas200622 * - Oplocks must be acquired after open to ensure the correct 2448c10a865Sas200622 * synchronization with NFS delegation and FEM installation. 245c8ec8eeaSjose borrego * 246c8ec8eeaSjose borrego * 247c8ec8eeaSjose borrego * DOS readonly bit rules 248c8ec8eeaSjose borrego * 249c8ec8eeaSjose borrego * 1. The creator of a readonly file can write to/modify the size of the file 250c8ec8eeaSjose borrego * using the original create fid, even though the file will appear as readonly 251c8ec8eeaSjose borrego * to all other fids and via a CIFS getattr call. 252037cac00Sjoyce mcintosh * The readonly bit therefore cannot be set in the filesystem until the file 253037cac00Sjoyce mcintosh * is closed (smb_ofile_close). It is accounted for via ofile and node flags. 254c8ec8eeaSjose borrego * 255c8ec8eeaSjose borrego * 2. A setinfo operation (using either an open fid or a path) to set/unset 256c8ec8eeaSjose borrego * readonly will be successful regardless of whether a creator of a readonly 257c8ec8eeaSjose borrego * file has an open fid (and has the special privilege mentioned in #1, 258c8ec8eeaSjose borrego * above). I.e., the creator of a readonly fid holding that fid will no longer 259c8ec8eeaSjose borrego * have a special privilege. 260c8ec8eeaSjose borrego * 261c8ec8eeaSjose borrego * 3. The DOS readonly bit affects only data and some metadata. 262c8ec8eeaSjose borrego * The following metadata can be changed regardless of the readonly bit: 263c8ec8eeaSjose borrego * - security descriptors 264c8ec8eeaSjose borrego * - DOS attributes 265c8ec8eeaSjose borrego * - timestamps 266c8ec8eeaSjose borrego * 267c8ec8eeaSjose borrego * In the current implementation, the file size cannot be changed (except for 268c8ec8eeaSjose borrego * the exceptions in #1 and #2, above). 2692c1b14e5Sjose borrego * 2702c1b14e5Sjose borrego * 2712c1b14e5Sjose borrego * DOS attribute rules 2722c1b14e5Sjose borrego * 2732c1b14e5Sjose borrego * These rules are specific to creating / opening files and directories. 2742c1b14e5Sjose borrego * How the attribute value (specifically ZERO or FILE_ATTRIBUTE_NORMAL) 2752c1b14e5Sjose borrego * should be interpreted may differ in other requests. 2762c1b14e5Sjose borrego * 2772c1b14e5Sjose borrego * - An attribute value equal to ZERO or FILE_ATTRIBUTE_NORMAL means that the 2782c1b14e5Sjose borrego * file's attributes should be cleared. 2792c1b14e5Sjose borrego * - If FILE_ATTRIBUTE_NORMAL is specified with any other attributes, 2802c1b14e5Sjose borrego * FILE_ATTRIBUTE_NORMAL is ignored. 2812c1b14e5Sjose borrego * 2822c1b14e5Sjose borrego * 1. Creating a new file 2832c1b14e5Sjose borrego * - The request attributes + FILE_ATTRIBUTE_ARCHIVE are applied to the file. 2842c1b14e5Sjose borrego * 2852c1b14e5Sjose borrego * 2. Creating a new directory 2862c1b14e5Sjose borrego * - The request attributes + FILE_ATTRIBUTE_DIRECTORY are applied to the file. 2872c1b14e5Sjose borrego * - FILE_ATTRIBUTE_ARCHIVE does not get set. 2882c1b14e5Sjose borrego * 2892c1b14e5Sjose borrego * 3. Overwriting an existing file 2902c1b14e5Sjose borrego * - the request attributes are used as search attributes. If the existing 2912c1b14e5Sjose borrego * file does not meet the search criteria access is denied. 2922c1b14e5Sjose borrego * - otherwise, applies attributes + FILE_ATTRIBUTE_ARCHIVE. 2932c1b14e5Sjose borrego * 2942c1b14e5Sjose borrego * 4. Opening an existing file or directory 2952c1b14e5Sjose borrego * The request attributes are ignored. 296da6c28aaSamw */ 2977b59d02dSjb150015 static uint32_t 2987b59d02dSjb150015 smb_open_subr(smb_request_t *sr) 299da6c28aaSamw { 300eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States boolean_t created = B_FALSE; 301eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States boolean_t last_comp_found = B_FALSE; 3022c2961f8Sjose borrego smb_node_t *node = NULL; 3032c2961f8Sjose borrego smb_node_t *dnode = NULL; 304eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States smb_node_t *cur_node = NULL; 3052c2961f8Sjose borrego open_param_t *op = &sr->arg.open; 306da6c28aaSamw int rc; 3072c2961f8Sjose borrego smb_ofile_t *of; 308da6c28aaSamw smb_attr_t new_attr; 309da6c28aaSamw int max_requested = 0; 310da6c28aaSamw uint32_t max_allowed; 311da6c28aaSamw uint32_t status = NT_STATUS_SUCCESS; 312da6c28aaSamw int is_dir; 313da6c28aaSamw smb_error_t err; 3142c2961f8Sjose borrego boolean_t is_stream = B_FALSE; 315da6c28aaSamw int lookup_flags = SMB_FOLLOW_LINKS; 316dc20a302Sas200622 uint32_t uniq_fid; 317eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States smb_pathname_t *pn = &op->fqi.fq_path; 318da6c28aaSamw 319da6c28aaSamw is_dir = (op->create_options & FILE_DIRECTORY_FILE) ? 1 : 0; 320da6c28aaSamw 321da6c28aaSamw /* 322037cac00Sjoyce mcintosh * If the object being created or opened is a directory 323037cac00Sjoyce mcintosh * the Disposition parameter must be one of FILE_CREATE, 324037cac00Sjoyce mcintosh * FILE_OPEN, or FILE_OPEN_IF 325da6c28aaSamw */ 326037cac00Sjoyce mcintosh if (is_dir) { 327da6c28aaSamw if ((op->create_disposition != FILE_CREATE) && 328da6c28aaSamw (op->create_disposition != FILE_OPEN_IF) && 329da6c28aaSamw (op->create_disposition != FILE_OPEN)) { 330dc20a302Sas200622 smbsr_error(sr, NT_STATUS_INVALID_PARAMETER, 331da6c28aaSamw ERRDOS, ERROR_INVALID_ACCESS); 3327b59d02dSjb150015 return (NT_STATUS_INVALID_PARAMETER); 333da6c28aaSamw } 334da6c28aaSamw } 335da6c28aaSamw 336da6c28aaSamw if (op->desired_access & MAXIMUM_ALLOWED) { 337da6c28aaSamw max_requested = 1; 338da6c28aaSamw op->desired_access &= ~MAXIMUM_ALLOWED; 339da6c28aaSamw } 340da6c28aaSamw op->desired_access = smb_access_generic_to_file(op->desired_access); 341da6c28aaSamw 342da6c28aaSamw if (sr->session->s_file_cnt >= SMB_SESSION_OFILE_MAX) { 343da6c28aaSamw ASSERT(sr->uid_user); 344da6c28aaSamw cmn_err(CE_NOTE, "smbd[%s\\%s]: %s", sr->uid_user->u_domain, 345da6c28aaSamw sr->uid_user->u_name, 346da6c28aaSamw xlate_nt_status(NT_STATUS_TOO_MANY_OPENED_FILES)); 347da6c28aaSamw 348dc20a302Sas200622 smbsr_error(sr, NT_STATUS_TOO_MANY_OPENED_FILES, 349da6c28aaSamw ERRDOS, ERROR_TOO_MANY_OPEN_FILES); 3507b59d02dSjb150015 return (NT_STATUS_TOO_MANY_OPENED_FILES); 351da6c28aaSamw } 352da6c28aaSamw 353da6c28aaSamw /* This must be NULL at this point */ 354da6c28aaSamw sr->fid_ofile = NULL; 355da6c28aaSamw 356da6c28aaSamw op->devstate = 0; 357da6c28aaSamw 358da6c28aaSamw switch (sr->tid_tree->t_res_type & STYPE_MASK) { 359da6c28aaSamw case STYPE_DISKTREE: 360f96bd5c8SAlan Wright case STYPE_PRINTQ: 361da6c28aaSamw break; 362da6c28aaSamw 363da6c28aaSamw case STYPE_IPC: 364da6c28aaSamw /* 365da6c28aaSamw * No further processing for IPC, we need to either 366da6c28aaSamw * raise an exception or return success here. 367da6c28aaSamw */ 3683db3f65cSamw if ((status = smb_opipe_open(sr)) != NT_STATUS_SUCCESS) 3697b59d02dSjb150015 smbsr_error(sr, status, 0, 0); 3707b59d02dSjb150015 return (status); 371da6c28aaSamw 372da6c28aaSamw default: 3737b59d02dSjb150015 smbsr_error(sr, NT_STATUS_BAD_DEVICE_TYPE, 3747b59d02dSjb150015 ERRDOS, ERROR_BAD_DEV_TYPE); 3757b59d02dSjb150015 return (NT_STATUS_BAD_DEVICE_TYPE); 376da6c28aaSamw } 377da6c28aaSamw 378fe1c642dSBill Krier smb_pathname_init(sr, pn, pn->pn_path); 379fe1c642dSBill Krier if (!smb_pathname_validate(sr, pn)) 380fe1c642dSBill Krier return (sr->smb_error.status); 381fe1c642dSBill Krier 382fe1c642dSBill Krier if (strlen(pn->pn_path) >= MAXPATHLEN) { 383dc20a302Sas200622 smbsr_error(sr, 0, ERRSRV, ERRfilespecs); 3847b59d02dSjb150015 return (NT_STATUS_NAME_TOO_LONG); 385da6c28aaSamw } 386da6c28aaSamw 387fe1c642dSBill Krier if (is_dir) { 388fe1c642dSBill Krier if (!smb_validate_dirname(sr, pn)) 389fe1c642dSBill Krier return (sr->smb_error.status); 390fe1c642dSBill Krier } else { 391fe1c642dSBill Krier if (!smb_validate_object_name(sr, pn)) 392fe1c642dSBill Krier return (sr->smb_error.status); 393da6c28aaSamw } 394da6c28aaSamw 395eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States cur_node = op->fqi.fq_dnode ? 396eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States op->fqi.fq_dnode : sr->tid_tree->t_snode; 397da6c28aaSamw 398eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States /* 399eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States * if no path or filename are specified the stream should be 400eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States * created on cur_node 401eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States */ 402eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States if (!is_dir && !pn->pn_pname && !pn->pn_fname && pn->pn_sname) { 403*9fb67ea3Safshin salek ardakani - Sun Microsystems - Irvine United States /* 404*9fb67ea3Safshin salek ardakani - Sun Microsystems - Irvine United States * Can't currently handle a stream on the tree root. 405*9fb67ea3Safshin salek ardakani - Sun Microsystems - Irvine United States * If a stream is being opened return "not found", otherwise 406*9fb67ea3Safshin salek ardakani - Sun Microsystems - Irvine United States * return "access denied". 407*9fb67ea3Safshin salek ardakani - Sun Microsystems - Irvine United States */ 408eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States if (cur_node == sr->tid_tree->t_snode) { 409*9fb67ea3Safshin salek ardakani - Sun Microsystems - Irvine United States if (op->create_disposition == FILE_OPEN) { 410*9fb67ea3Safshin salek ardakani - Sun Microsystems - Irvine United States smbsr_error(sr, NT_STATUS_OBJECT_NAME_NOT_FOUND, 411*9fb67ea3Safshin salek ardakani - Sun Microsystems - Irvine United States ERRDOS, ERROR_FILE_NOT_FOUND); 412*9fb67ea3Safshin salek ardakani - Sun Microsystems - Irvine United States return (NT_STATUS_OBJECT_NAME_NOT_FOUND); 413*9fb67ea3Safshin salek ardakani - Sun Microsystems - Irvine United States } 414eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States smbsr_error(sr, NT_STATUS_ACCESS_DENIED, ERRDOS, 415eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States ERROR_ACCESS_DENIED); 416eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States return (NT_STATUS_ACCESS_DENIED); 417eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States } 418eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States 419eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States (void) snprintf(op->fqi.fq_last_comp, 420eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States sizeof (op->fqi.fq_last_comp), 421eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States "%s%s", cur_node->od_name, pn->pn_sname); 422eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States 4231fcced4cSJordan Brown op->fqi.fq_dnode = cur_node->n_dnode; 424eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States smb_node_ref(op->fqi.fq_dnode); 425eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States } else { 426eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States if (rc = smb_pathname_reduce(sr, sr->user_cr, pn->pn_path, 427eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States sr->tid_tree->t_snode, cur_node, &op->fqi.fq_dnode, 428eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States op->fqi.fq_last_comp)) { 429dc20a302Sas200622 smbsr_errno(sr, rc); 4307b59d02dSjb150015 return (sr->smb_error.status); 431da6c28aaSamw } 432eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States } 433da6c28aaSamw 434da6c28aaSamw /* 435da6c28aaSamw * If the access mask has only DELETE set (ignore 436da6c28aaSamw * FILE_READ_ATTRIBUTES), then assume that this 437da6c28aaSamw * is a request to delete the link (if a link) 438da6c28aaSamw * and do not follow links. Otherwise, follow 439da6c28aaSamw * the link to the target. 440da6c28aaSamw */ 441037cac00Sjoyce mcintosh if ((op->desired_access & ~FILE_READ_ATTRIBUTES) == DELETE) 442da6c28aaSamw lookup_flags &= ~SMB_FOLLOW_LINKS; 443da6c28aaSamw 444da6c28aaSamw rc = smb_fsop_lookup_name(sr, kcred, lookup_flags, 445eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States sr->tid_tree->t_snode, op->fqi.fq_dnode, op->fqi.fq_last_comp, 446037cac00Sjoyce mcintosh &op->fqi.fq_fnode); 447da6c28aaSamw 448da6c28aaSamw if (rc == 0) { 449eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States last_comp_found = B_TRUE; 450037cac00Sjoyce mcintosh rc = smb_node_getattr(sr, op->fqi.fq_fnode, 451037cac00Sjoyce mcintosh &op->fqi.fq_fattr); 452037cac00Sjoyce mcintosh if (rc != 0) { 453037cac00Sjoyce mcintosh smb_node_release(op->fqi.fq_fnode); 454037cac00Sjoyce mcintosh smb_node_release(op->fqi.fq_dnode); 455037cac00Sjoyce mcintosh smbsr_error(sr, NT_STATUS_INTERNAL_ERROR, 456037cac00Sjoyce mcintosh ERRDOS, ERROR_INTERNAL_ERROR); 457037cac00Sjoyce mcintosh return (sr->smb_error.status); 458037cac00Sjoyce mcintosh } 459da6c28aaSamw } else if (rc == ENOENT) { 460eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States last_comp_found = B_FALSE; 461eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States op->fqi.fq_fnode = NULL; 462da6c28aaSamw rc = 0; 463da6c28aaSamw } else { 464eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States smb_node_release(op->fqi.fq_dnode); 465dc20a302Sas200622 smbsr_errno(sr, rc); 4667b59d02dSjb150015 return (sr->smb_error.status); 467da6c28aaSamw } 468da6c28aaSamw 469037cac00Sjoyce mcintosh 470dc20a302Sas200622 /* 471dc20a302Sas200622 * The uniq_fid is a CIFS-server-wide unique identifier for an ofile 472dc20a302Sas200622 * which is used to uniquely identify open instances for the 473c8ec8eeaSjose borrego * VFS share reservation and POSIX locks. 474dc20a302Sas200622 */ 475dc20a302Sas200622 476dc20a302Sas200622 uniq_fid = SMB_UNIQ_FID(); 477dc20a302Sas200622 478eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States if (last_comp_found) { 4796537f381Sas200622 480*9fb67ea3Safshin salek ardakani - Sun Microsystems - Irvine United States node = op->fqi.fq_fnode; 481*9fb67ea3Safshin salek ardakani - Sun Microsystems - Irvine United States dnode = op->fqi.fq_dnode; 4826537f381Sas200622 483*9fb67ea3Safshin salek ardakani - Sun Microsystems - Irvine United States if (!smb_node_is_file(node) && !smb_node_is_dir(node) && 484*9fb67ea3Safshin salek ardakani - Sun Microsystems - Irvine United States !smb_node_is_symlink(node)) { 485*9fb67ea3Safshin salek ardakani - Sun Microsystems - Irvine United States smb_node_release(node); 486*9fb67ea3Safshin salek ardakani - Sun Microsystems - Irvine United States smb_node_release(dnode); 4876537f381Sas200622 smbsr_error(sr, NT_STATUS_ACCESS_DENIED, ERRDOS, 4886537f381Sas200622 ERRnoaccess); 4896537f381Sas200622 return (NT_STATUS_ACCESS_DENIED); 4906537f381Sas200622 } 4916537f381Sas200622 492da6c28aaSamw /* 4932c1b14e5Sjose borrego * Reject this request if either: 4942c1b14e5Sjose borrego * - the target IS a directory and the client requires that 4952c1b14e5Sjose borrego * it must NOT be (required by Lotus Notes) 4962c1b14e5Sjose borrego * - the target is NOT a directory and client requires that 4972c1b14e5Sjose borrego * it MUST be. 498da6c28aaSamw */ 499*9fb67ea3Safshin salek ardakani - Sun Microsystems - Irvine United States if (smb_node_is_dir(node)) { 5002c1b14e5Sjose borrego if (op->create_options & FILE_NON_DIRECTORY_FILE) { 501da6c28aaSamw smb_node_release(node); 502da6c28aaSamw smb_node_release(dnode); 503dc20a302Sas200622 smbsr_error(sr, NT_STATUS_FILE_IS_A_DIRECTORY, 504da6c28aaSamw ERRDOS, ERROR_ACCESS_DENIED); 5057b59d02dSjb150015 return (NT_STATUS_FILE_IS_A_DIRECTORY); 506da6c28aaSamw } 5072c1b14e5Sjose borrego } else { 5082c1b14e5Sjose borrego if ((op->create_options & FILE_DIRECTORY_FILE) || 5092c2961f8Sjose borrego (op->nt_flags & NT_CREATE_FLAG_OPEN_TARGET_DIR)) { 510da6c28aaSamw smb_node_release(node); 511da6c28aaSamw smb_node_release(dnode); 512dc20a302Sas200622 smbsr_error(sr, NT_STATUS_NOT_A_DIRECTORY, 513da6c28aaSamw ERRDOS, ERROR_DIRECTORY); 5147b59d02dSjb150015 return (NT_STATUS_NOT_A_DIRECTORY); 515da6c28aaSamw } 5162c1b14e5Sjose borrego } 517da6c28aaSamw 518da6c28aaSamw /* 519da6c28aaSamw * No more open should be accepted when "Delete on close" 520da6c28aaSamw * flag is set. 521da6c28aaSamw */ 522da6c28aaSamw if (node->flags & NODE_FLAGS_DELETE_ON_CLOSE) { 523da6c28aaSamw smb_node_release(node); 524da6c28aaSamw smb_node_release(dnode); 525dc20a302Sas200622 smbsr_error(sr, NT_STATUS_DELETE_PENDING, 526da6c28aaSamw ERRDOS, ERROR_ACCESS_DENIED); 5277b59d02dSjb150015 return (NT_STATUS_DELETE_PENDING); 528da6c28aaSamw } 529da6c28aaSamw 530da6c28aaSamw /* 531da6c28aaSamw * Specified file already exists so the operation should fail. 532da6c28aaSamw */ 533da6c28aaSamw if (op->create_disposition == FILE_CREATE) { 534da6c28aaSamw smb_node_release(node); 535da6c28aaSamw smb_node_release(dnode); 536dc20a302Sas200622 smbsr_error(sr, NT_STATUS_OBJECT_NAME_COLLISION, 537b89a8333Snatalie li - Sun Microsystems - Irvine United States ERRDOS, ERROR_FILE_EXISTS); 5387b59d02dSjb150015 return (NT_STATUS_OBJECT_NAME_COLLISION); 539da6c28aaSamw } 540da6c28aaSamw 541da6c28aaSamw /* 542da6c28aaSamw * Windows seems to check read-only access before file 543da6c28aaSamw * sharing check. 544c8ec8eeaSjose borrego * 545c8ec8eeaSjose borrego * Check to see if the file is currently readonly (irrespective 546c8ec8eeaSjose borrego * of whether this open will make it readonly). 547da6c28aaSamw */ 548c8ec8eeaSjose borrego if (SMB_PATHFILE_IS_READONLY(sr, node)) { 549da6c28aaSamw /* Files data only */ 550037cac00Sjoyce mcintosh if (!smb_node_is_dir(node)) { 551da6c28aaSamw if (op->desired_access & (FILE_WRITE_DATA | 552da6c28aaSamw FILE_APPEND_DATA)) { 553da6c28aaSamw smb_node_release(node); 554da6c28aaSamw smb_node_release(dnode); 555dc20a302Sas200622 smbsr_error(sr, NT_STATUS_ACCESS_DENIED, 556dc20a302Sas200622 ERRDOS, ERRnoaccess); 5577b59d02dSjb150015 return (NT_STATUS_ACCESS_DENIED); 558da6c28aaSamw } 559da6c28aaSamw } 560da6c28aaSamw } 561da6c28aaSamw 5628c10a865Sas200622 if (smb_oplock_conflict(node, sr->session, op)) 563fc724630SAlan Wright (void) smb_oplock_break(node, sr->session, B_FALSE); 5648c10a865Sas200622 5652c2961f8Sjose borrego smb_node_wrlock(node); 566dc20a302Sas200622 567dc20a302Sas200622 if ((op->create_disposition == FILE_SUPERSEDE) || 568dc20a302Sas200622 (op->create_disposition == FILE_OVERWRITE_IF) || 569dc20a302Sas200622 (op->create_disposition == FILE_OVERWRITE)) { 570dc20a302Sas200622 5712c1b14e5Sjose borrego if ((!(op->desired_access & 5728c10a865Sas200622 (FILE_WRITE_DATA | FILE_APPEND_DATA | 5732c1b14e5Sjose borrego FILE_WRITE_ATTRIBUTES | FILE_WRITE_EA))) || 574037cac00Sjoyce mcintosh (!smb_sattr_check(op->fqi.fq_fattr.sa_dosattr, 5752c2961f8Sjose borrego op->dattr))) { 5762c2961f8Sjose borrego smb_node_unlock(node); 577dc20a302Sas200622 smb_node_release(node); 578dc20a302Sas200622 smb_node_release(dnode); 579dc20a302Sas200622 smbsr_error(sr, NT_STATUS_ACCESS_DENIED, 580dc20a302Sas200622 ERRDOS, ERRnoaccess); 5817b59d02dSjb150015 return (NT_STATUS_ACCESS_DENIED); 582dc20a302Sas200622 } 583dc20a302Sas200622 } 584dc20a302Sas200622 585dc20a302Sas200622 status = smb_fsop_shrlock(sr->user_cr, node, uniq_fid, 586c8ec8eeaSjose borrego op->desired_access, op->share_access); 587dc20a302Sas200622 588da6c28aaSamw if (status == NT_STATUS_SHARING_VIOLATION) { 5892c2961f8Sjose borrego smb_node_unlock(node); 590da6c28aaSamw smb_node_release(node); 591da6c28aaSamw smb_node_release(dnode); 592da6c28aaSamw return (status); 593da6c28aaSamw } 594da6c28aaSamw 595da6c28aaSamw status = smb_fsop_access(sr, sr->user_cr, node, 596da6c28aaSamw op->desired_access); 597da6c28aaSamw 598da6c28aaSamw if (status != NT_STATUS_SUCCESS) { 599dc20a302Sas200622 smb_fsop_unshrlock(sr->user_cr, node, uniq_fid); 600dc20a302Sas200622 6012c2961f8Sjose borrego smb_node_unlock(node); 602da6c28aaSamw smb_node_release(node); 603da6c28aaSamw smb_node_release(dnode); 604dc20a302Sas200622 605da6c28aaSamw if (status == NT_STATUS_PRIVILEGE_NOT_HELD) { 606dc20a302Sas200622 smbsr_error(sr, status, 607dc20a302Sas200622 ERRDOS, ERROR_PRIVILEGE_NOT_HELD); 6087b59d02dSjb150015 return (status); 609da6c28aaSamw } else { 610dc20a302Sas200622 smbsr_error(sr, NT_STATUS_ACCESS_DENIED, 611dc20a302Sas200622 ERRDOS, ERROR_ACCESS_DENIED); 6127b59d02dSjb150015 return (NT_STATUS_ACCESS_DENIED); 613da6c28aaSamw } 614da6c28aaSamw } 615da6c28aaSamw 616da6c28aaSamw switch (op->create_disposition) { 617da6c28aaSamw case FILE_SUPERSEDE: 618da6c28aaSamw case FILE_OVERWRITE_IF: 619da6c28aaSamw case FILE_OVERWRITE: 620037cac00Sjoyce mcintosh if (smb_node_is_dir(node)) { 621dc20a302Sas200622 smb_fsop_unshrlock(sr->user_cr, node, uniq_fid); 6222c2961f8Sjose borrego smb_node_unlock(node); 623da6c28aaSamw smb_node_release(node); 624da6c28aaSamw smb_node_release(dnode); 625dc20a302Sas200622 smbsr_error(sr, NT_STATUS_ACCESS_DENIED, 626dc20a302Sas200622 ERRDOS, ERROR_ACCESS_DENIED); 6277b59d02dSjb150015 return (NT_STATUS_ACCESS_DENIED); 628da6c28aaSamw } 629da6c28aaSamw 630037cac00Sjoyce mcintosh op->dattr |= FILE_ATTRIBUTE_ARCHIVE; 631037cac00Sjoyce mcintosh /* Don't apply readonly bit until smb_ofile_close */ 632037cac00Sjoyce mcintosh if (op->dattr & FILE_ATTRIBUTE_READONLY) { 633037cac00Sjoyce mcintosh op->created_readonly = B_TRUE; 634037cac00Sjoyce mcintosh op->dattr &= ~FILE_ATTRIBUTE_READONLY; 635037cac00Sjoyce mcintosh } 636037cac00Sjoyce mcintosh 637dc20a302Sas200622 bzero(&new_attr, sizeof (new_attr)); 638037cac00Sjoyce mcintosh new_attr.sa_dosattr = op->dattr; 639da6c28aaSamw new_attr.sa_vattr.va_size = op->dsize; 640037cac00Sjoyce mcintosh new_attr.sa_mask = SMB_AT_DOSATTR | SMB_AT_SIZE; 641037cac00Sjoyce mcintosh rc = smb_fsop_setattr(sr, sr->user_cr, node, &new_attr); 642037cac00Sjoyce mcintosh if (rc != 0) { 643037cac00Sjoyce mcintosh smb_fsop_unshrlock(sr->user_cr, node, uniq_fid); 6442c2961f8Sjose borrego smb_node_unlock(node); 645da6c28aaSamw smb_node_release(node); 646da6c28aaSamw smb_node_release(dnode); 647dc20a302Sas200622 smbsr_errno(sr, rc); 6487b59d02dSjb150015 return (sr->smb_error.status); 649da6c28aaSamw } 650da6c28aaSamw 651da6c28aaSamw /* 652037cac00Sjoyce mcintosh * If file is being replaced, remove existing streams 653da6c28aaSamw */ 654eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States if (SMB_IS_STREAM(node) == 0) { 655037cac00Sjoyce mcintosh rc = smb_fsop_remove_streams(sr, sr->user_cr, 656037cac00Sjoyce mcintosh node); 657037cac00Sjoyce mcintosh if (rc != 0) { 658eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States smb_fsop_unshrlock(sr->user_cr, node, 659eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States uniq_fid); 660eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States smb_node_unlock(node); 661eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States smb_node_release(node); 662eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States smb_node_release(dnode); 663eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States return (sr->smb_error.status); 664eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States } 665eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States } 666da6c28aaSamw 667da6c28aaSamw op->action_taken = SMB_OACT_TRUNCATED; 668da6c28aaSamw break; 669da6c28aaSamw 670da6c28aaSamw default: 671da6c28aaSamw /* 672da6c28aaSamw * FILE_OPEN or FILE_OPEN_IF. 673da6c28aaSamw */ 674da6c28aaSamw op->action_taken = SMB_OACT_OPENED; 675da6c28aaSamw break; 676da6c28aaSamw } 677da6c28aaSamw } else { 678da6c28aaSamw /* Last component was not found. */ 679eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States dnode = op->fqi.fq_dnode; 680da6c28aaSamw 6817b59d02dSjb150015 if (is_dir == 0) 682eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States is_stream = smb_is_stream_name(pn->pn_path); 6837b59d02dSjb150015 684da6c28aaSamw if ((op->create_disposition == FILE_OPEN) || 685da6c28aaSamw (op->create_disposition == FILE_OVERWRITE)) { 686da6c28aaSamw smb_node_release(dnode); 687dc20a302Sas200622 smbsr_error(sr, NT_STATUS_OBJECT_NAME_NOT_FOUND, 688da6c28aaSamw ERRDOS, ERROR_FILE_NOT_FOUND); 6897b59d02dSjb150015 return (NT_STATUS_OBJECT_NAME_NOT_FOUND); 690da6c28aaSamw } 691da6c28aaSamw 692*9fb67ea3Safshin salek ardakani - Sun Microsystems - Irvine United States if (pn->pn_fname && smb_is_invalid_filename(pn->pn_fname)) { 6932c2961f8Sjose borrego smb_node_release(dnode); 6942c2961f8Sjose borrego smbsr_error(sr, NT_STATUS_OBJECT_NAME_INVALID, 6952c2961f8Sjose borrego ERRDOS, ERROR_INVALID_NAME); 6962c2961f8Sjose borrego return (NT_STATUS_OBJECT_NAME_INVALID); 6972c2961f8Sjose borrego } 6982c2961f8Sjose borrego 699da6c28aaSamw /* 700da6c28aaSamw * lock the parent dir node in case another create 701da6c28aaSamw * request to the same parent directory comes in. 702da6c28aaSamw */ 7032c2961f8Sjose borrego smb_node_wrlock(dnode); 704da6c28aaSamw 705037cac00Sjoyce mcintosh /* Don't apply readonly bit until smb_ofile_close */ 706037cac00Sjoyce mcintosh if (op->dattr & FILE_ATTRIBUTE_READONLY) { 707037cac00Sjoyce mcintosh op->dattr &= ~FILE_ATTRIBUTE_READONLY; 708037cac00Sjoyce mcintosh op->created_readonly = B_TRUE; 709037cac00Sjoyce mcintosh } 710037cac00Sjoyce mcintosh 711da6c28aaSamw bzero(&new_attr, sizeof (new_attr)); 712c8ec8eeaSjose borrego if ((op->crtime.tv_sec != 0) && 713c8ec8eeaSjose borrego (op->crtime.tv_sec != UINT_MAX)) { 714c8ec8eeaSjose borrego 715c8ec8eeaSjose borrego new_attr.sa_mask |= SMB_AT_CRTIME; 716c8ec8eeaSjose borrego new_attr.sa_crtime = op->crtime; 717c8ec8eeaSjose borrego } 718c8ec8eeaSjose borrego 719da6c28aaSamw if (is_dir == 0) { 720037cac00Sjoyce mcintosh op->dattr |= FILE_ATTRIBUTE_ARCHIVE; 721037cac00Sjoyce mcintosh new_attr.sa_dosattr = op->dattr; 722da6c28aaSamw new_attr.sa_vattr.va_type = VREG; 7237b59d02dSjb150015 new_attr.sa_vattr.va_mode = is_stream ? S_IRUSR : 7247b59d02dSjb150015 S_IRUSR | S_IRGRP | S_IROTH | 7257b59d02dSjb150015 S_IWUSR | S_IWGRP | S_IWOTH; 726037cac00Sjoyce mcintosh new_attr.sa_mask |= 727037cac00Sjoyce mcintosh SMB_AT_DOSATTR | SMB_AT_TYPE | SMB_AT_MODE; 728dc20a302Sas200622 7296537f381Sas200622 if (op->dsize) { 7306537f381Sas200622 new_attr.sa_vattr.va_size = op->dsize; 7316537f381Sas200622 new_attr.sa_mask |= SMB_AT_SIZE; 732dc20a302Sas200622 } 733dc20a302Sas200622 734da6c28aaSamw rc = smb_fsop_create(sr, sr->user_cr, dnode, 735037cac00Sjoyce mcintosh op->fqi.fq_last_comp, &new_attr, &op->fqi.fq_fnode); 736dc20a302Sas200622 737da6c28aaSamw if (rc != 0) { 7382c2961f8Sjose borrego smb_node_unlock(dnode); 739da6c28aaSamw smb_node_release(dnode); 740dc20a302Sas200622 smbsr_errno(sr, rc); 7417b59d02dSjb150015 return (sr->smb_error.status); 742da6c28aaSamw } 743da6c28aaSamw 744eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States node = op->fqi.fq_fnode; 7452c2961f8Sjose borrego smb_node_wrlock(node); 746dc20a302Sas200622 747faa1795aSjb150015 status = smb_fsop_shrlock(sr->user_cr, node, uniq_fid, 748c8ec8eeaSjose borrego op->desired_access, op->share_access); 749dc20a302Sas200622 750dc20a302Sas200622 if (status == NT_STATUS_SHARING_VIOLATION) { 7512c2961f8Sjose borrego smb_node_unlock(node); 7528b2cc8acSafshin salek ardakani - Sun Microsystems - Irvine United States smb_delete_new_object(sr); 753dc20a302Sas200622 smb_node_release(node); 7542c2961f8Sjose borrego smb_node_unlock(dnode); 755dc20a302Sas200622 smb_node_release(dnode); 756dc20a302Sas200622 return (status); 757dc20a302Sas200622 } 758da6c28aaSamw } else { 7593db3f65cSamw op->dattr |= FILE_ATTRIBUTE_DIRECTORY; 760037cac00Sjoyce mcintosh new_attr.sa_dosattr = op->dattr; 761da6c28aaSamw new_attr.sa_vattr.va_type = VDIR; 762da6c28aaSamw new_attr.sa_vattr.va_mode = 0777; 763037cac00Sjoyce mcintosh new_attr.sa_mask |= 764037cac00Sjoyce mcintosh SMB_AT_DOSATTR | SMB_AT_TYPE | SMB_AT_MODE; 765c8ec8eeaSjose borrego 766da6c28aaSamw rc = smb_fsop_mkdir(sr, sr->user_cr, dnode, 767037cac00Sjoyce mcintosh op->fqi.fq_last_comp, &new_attr, &op->fqi.fq_fnode); 768da6c28aaSamw if (rc != 0) { 7692c2961f8Sjose borrego smb_node_unlock(dnode); 770da6c28aaSamw smb_node_release(dnode); 771dc20a302Sas200622 smbsr_errno(sr, rc); 7727b59d02dSjb150015 return (sr->smb_error.status); 773da6c28aaSamw } 774dc20a302Sas200622 775eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States node = op->fqi.fq_fnode; 7762c2961f8Sjose borrego smb_node_wrlock(node); 777da6c28aaSamw } 778da6c28aaSamw 779eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States created = B_TRUE; 780da6c28aaSamw op->action_taken = SMB_OACT_CREATED; 781c8ec8eeaSjose borrego } 782c8ec8eeaSjose borrego 7832c1b14e5Sjose borrego if (max_requested) { 7842c1b14e5Sjose borrego smb_fsop_eaccess(sr, sr->user_cr, node, &max_allowed); 7852c1b14e5Sjose borrego op->desired_access |= max_allowed; 7862c1b14e5Sjose borrego } 7872c1b14e5Sjose borrego 788037cac00Sjoyce mcintosh status = NT_STATUS_SUCCESS; 7892c1b14e5Sjose borrego 790c8ec8eeaSjose borrego of = smb_ofile_open(sr->tid_tree, node, sr->smb_pid, op, SMB_FTYPE_DISK, 791c8ec8eeaSjose borrego uniq_fid, &err); 792da6c28aaSamw if (of == NULL) { 793dc20a302Sas200622 smbsr_error(sr, err.status, err.errcls, err.errcode); 794037cac00Sjoyce mcintosh status = err.status; 795da6c28aaSamw } 796da6c28aaSamw 797037cac00Sjoyce mcintosh if (status == NT_STATUS_SUCCESS) { 7988b2cc8acSafshin salek ardakani - Sun Microsystems - Irvine United States if (!smb_tree_is_connected(sr->tid_tree)) { 799037cac00Sjoyce mcintosh smbsr_error(sr, 0, ERRSRV, ERRinvnid); 800037cac00Sjoyce mcintosh status = NT_STATUS_UNSUCCESSFUL; 801037cac00Sjoyce mcintosh } 802037cac00Sjoyce mcintosh } 803037cac00Sjoyce mcintosh 804037cac00Sjoyce mcintosh /* 805037cac00Sjoyce mcintosh * This MUST be done after ofile creation, so that explicitly 806037cac00Sjoyce mcintosh * set timestamps can be remembered on the ofile. 807037cac00Sjoyce mcintosh */ 808037cac00Sjoyce mcintosh if (status == NT_STATUS_SUCCESS) { 809037cac00Sjoyce mcintosh if ((rc = smb_set_open_timestamps(sr, of, created)) != 0) { 810037cac00Sjoyce mcintosh smbsr_errno(sr, rc); 811037cac00Sjoyce mcintosh status = sr->smb_error.status; 812037cac00Sjoyce mcintosh } 813037cac00Sjoyce mcintosh } 814037cac00Sjoyce mcintosh 815037cac00Sjoyce mcintosh if (status == NT_STATUS_SUCCESS) { 816037cac00Sjoyce mcintosh if (smb_node_getattr(sr, node, &op->fqi.fq_fattr) != 0) { 817037cac00Sjoyce mcintosh smbsr_error(sr, NT_STATUS_INTERNAL_ERROR, 818037cac00Sjoyce mcintosh ERRDOS, ERROR_INTERNAL_ERROR); 819037cac00Sjoyce mcintosh status = NT_STATUS_INTERNAL_ERROR; 820037cac00Sjoyce mcintosh } 821037cac00Sjoyce mcintosh } 822037cac00Sjoyce mcintosh 823037cac00Sjoyce mcintosh /* 824037cac00Sjoyce mcintosh * smb_fsop_unshrlock is a no-op if node is a directory 825037cac00Sjoyce mcintosh * smb_fsop_unshrlock is done in smb_ofile_close 826037cac00Sjoyce mcintosh */ 827037cac00Sjoyce mcintosh if (status != NT_STATUS_SUCCESS) { 828037cac00Sjoyce mcintosh if (of == NULL) { 829037cac00Sjoyce mcintosh smb_fsop_unshrlock(sr->user_cr, node, uniq_fid); 830037cac00Sjoyce mcintosh } else { 8318b2cc8acSafshin salek ardakani - Sun Microsystems - Irvine United States smb_ofile_close(of, 0); 8328b2cc8acSafshin salek ardakani - Sun Microsystems - Irvine United States smb_ofile_release(of); 833037cac00Sjoyce mcintosh } 8348b2cc8acSafshin salek ardakani - Sun Microsystems - Irvine United States if (created) 8358b2cc8acSafshin salek ardakani - Sun Microsystems - Irvine United States smb_delete_new_object(sr); 8368b2cc8acSafshin salek ardakani - Sun Microsystems - Irvine United States smb_node_unlock(node); 8378b2cc8acSafshin salek ardakani - Sun Microsystems - Irvine United States smb_node_release(node); 8388b2cc8acSafshin salek ardakani - Sun Microsystems - Irvine United States if (created) 8398b2cc8acSafshin salek ardakani - Sun Microsystems - Irvine United States smb_node_unlock(dnode); 8408b2cc8acSafshin salek ardakani - Sun Microsystems - Irvine United States smb_node_release(dnode); 841037cac00Sjoyce mcintosh return (status); 8428b2cc8acSafshin salek ardakani - Sun Microsystems - Irvine United States } 8438b2cc8acSafshin salek ardakani - Sun Microsystems - Irvine United States 8448c10a865Sas200622 /* 8458c10a865Sas200622 * Propagate the write-through mode from the open params 8468c10a865Sas200622 * to the node: see the notes in the function header. 8478c10a865Sas200622 */ 8488c10a865Sas200622 if (sr->sr_cfg->skc_sync_enable || 8498c10a865Sas200622 (op->create_options & FILE_WRITE_THROUGH)) 8508c10a865Sas200622 node->flags |= NODE_FLAGS_WRITE_THROUGH; 8518c10a865Sas200622 852037cac00Sjoyce mcintosh /* 853037cac00Sjoyce mcintosh * Set up the fileid and dosattr in open_param for response 854037cac00Sjoyce mcintosh */ 855eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States op->fileid = op->fqi.fq_fattr.sa_vattr.va_nodeid; 856037cac00Sjoyce mcintosh op->dattr = op->fqi.fq_fattr.sa_dosattr; 8578c10a865Sas200622 858da6c28aaSamw /* 859da6c28aaSamw * Set up the file type in open_param for the response 860da6c28aaSamw */ 861da6c28aaSamw op->ftype = SMB_FTYPE_DISK; 862da6c28aaSamw sr->smb_fid = of->f_fid; 863da6c28aaSamw sr->fid_ofile = of; 864da6c28aaSamw 8652c2961f8Sjose borrego smb_node_unlock(node); 866dc20a302Sas200622 if (created) 8672c2961f8Sjose borrego smb_node_unlock(dnode); 8682c2961f8Sjose borrego 869*9fb67ea3Safshin salek ardakani - Sun Microsystems - Irvine United States if (smb_node_is_file(node)) { 8702c2961f8Sjose borrego smb_oplock_acquire(node, of, op); 871eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States op->dsize = op->fqi.fq_fattr.sa_vattr.va_size; 872*9fb67ea3Safshin salek ardakani - Sun Microsystems - Irvine United States } else { 873*9fb67ea3Safshin salek ardakani - Sun Microsystems - Irvine United States /* directory or symlink */ 8742c2961f8Sjose borrego op->op_oplock_level = SMB_OPLOCK_NONE; 8752c2961f8Sjose borrego op->dsize = 0; 8762c2961f8Sjose borrego } 877dc20a302Sas200622 8788b2cc8acSafshin salek ardakani - Sun Microsystems - Irvine United States smb_node_release(node); 879da6c28aaSamw smb_node_release(dnode); 880da6c28aaSamw 881da6c28aaSamw return (NT_STATUS_SUCCESS); 882da6c28aaSamw } 883da6c28aaSamw 884da6c28aaSamw /* 885037cac00Sjoyce mcintosh * smb_set_open_timestamps 886037cac00Sjoyce mcintosh * 887037cac00Sjoyce mcintosh * Last write time: 888037cac00Sjoyce mcintosh * - If the last_write time specified in the open params is not 0 or -1, 889037cac00Sjoyce mcintosh * use it as file's mtime. This will be considered an explicitly set 890037cac00Sjoyce mcintosh * timestamps, not reset by subsequent writes. 891037cac00Sjoyce mcintosh * 892037cac00Sjoyce mcintosh * Opening existing file (not directory): 893037cac00Sjoyce mcintosh * - If opening an existing file for overwrite set initial ATIME, MTIME 894037cac00Sjoyce mcintosh * & CTIME to now. (This is achieved by setting them as pending then forcing 895037cac00Sjoyce mcintosh * an smb_node_setattr() to apply pending times.) 896037cac00Sjoyce mcintosh * 897037cac00Sjoyce mcintosh * - Note If opening an existing file NOT for overwrite, windows would 898037cac00Sjoyce mcintosh * set the atime on file close, however setting the atime would cause 899037cac00Sjoyce mcintosh * the ARCHIVE attribute to be set, which does not occur on windows, 900037cac00Sjoyce mcintosh * so we do not do the atime update. 901037cac00Sjoyce mcintosh * 902037cac00Sjoyce mcintosh * Returns: errno 903037cac00Sjoyce mcintosh */ 904037cac00Sjoyce mcintosh static int 905037cac00Sjoyce mcintosh smb_set_open_timestamps(smb_request_t *sr, smb_ofile_t *of, boolean_t created) 906037cac00Sjoyce mcintosh { 907037cac00Sjoyce mcintosh int rc = 0; 908037cac00Sjoyce mcintosh open_param_t *op = &sr->arg.open; 909037cac00Sjoyce mcintosh smb_node_t *node = of->f_node; 910037cac00Sjoyce mcintosh boolean_t existing_file, set_times; 911037cac00Sjoyce mcintosh smb_attr_t attr; 912037cac00Sjoyce mcintosh 913037cac00Sjoyce mcintosh bzero(&attr, sizeof (smb_attr_t)); 914037cac00Sjoyce mcintosh set_times = B_FALSE; 915037cac00Sjoyce mcintosh 916037cac00Sjoyce mcintosh if ((op->mtime.tv_sec != 0) && (op->mtime.tv_sec != UINT_MAX)) { 917037cac00Sjoyce mcintosh attr.sa_mask = SMB_AT_MTIME; 918037cac00Sjoyce mcintosh attr.sa_vattr.va_mtime = op->mtime; 919037cac00Sjoyce mcintosh set_times = B_TRUE; 920037cac00Sjoyce mcintosh } 921037cac00Sjoyce mcintosh 922037cac00Sjoyce mcintosh existing_file = !(created || smb_node_is_dir(node)); 923037cac00Sjoyce mcintosh if (existing_file) { 924037cac00Sjoyce mcintosh switch (op->create_disposition) { 925037cac00Sjoyce mcintosh case FILE_SUPERSEDE: 926037cac00Sjoyce mcintosh case FILE_OVERWRITE_IF: 927037cac00Sjoyce mcintosh case FILE_OVERWRITE: 928037cac00Sjoyce mcintosh smb_ofile_set_write_time_pending(of); 929037cac00Sjoyce mcintosh set_times = B_TRUE; 930037cac00Sjoyce mcintosh break; 931037cac00Sjoyce mcintosh default: 932037cac00Sjoyce mcintosh break; 933037cac00Sjoyce mcintosh } 934037cac00Sjoyce mcintosh } 935037cac00Sjoyce mcintosh 936037cac00Sjoyce mcintosh if (set_times) 937037cac00Sjoyce mcintosh rc = smb_node_setattr(sr, node, sr->user_cr, of, &attr); 938037cac00Sjoyce mcintosh 939037cac00Sjoyce mcintosh return (rc); 940037cac00Sjoyce mcintosh } 941037cac00Sjoyce mcintosh 942037cac00Sjoyce mcintosh /* 9438b2cc8acSafshin salek ardakani - Sun Microsystems - Irvine United States * This function is used to delete a newly created object (file or 9448b2cc8acSafshin salek ardakani - Sun Microsystems - Irvine United States * directory) if an error occurs after creation of the object. 945da6c28aaSamw */ 9468b2cc8acSafshin salek ardakani - Sun Microsystems - Irvine United States static void 9478b2cc8acSafshin salek ardakani - Sun Microsystems - Irvine United States smb_delete_new_object(smb_request_t *sr) 948da6c28aaSamw { 9498b2cc8acSafshin salek ardakani - Sun Microsystems - Irvine United States open_param_t *op = &sr->arg.open; 9508b2cc8acSafshin salek ardakani - Sun Microsystems - Irvine United States smb_fqi_t *fqi = &(op->fqi); 9518b2cc8acSafshin salek ardakani - Sun Microsystems - Irvine United States uint32_t flags = 0; 9528b2cc8acSafshin salek ardakani - Sun Microsystems - Irvine United States 9538b2cc8acSafshin salek ardakani - Sun Microsystems - Irvine United States if (SMB_TREE_IS_CASEINSENSITIVE(sr)) 9548b2cc8acSafshin salek ardakani - Sun Microsystems - Irvine United States flags |= SMB_IGNORE_CASE; 9558b2cc8acSafshin salek ardakani - Sun Microsystems - Irvine United States if (SMB_TREE_SUPPORTS_CATIA(sr)) 9568b2cc8acSafshin salek ardakani - Sun Microsystems - Irvine United States flags |= SMB_CATIA; 9578b2cc8acSafshin salek ardakani - Sun Microsystems - Irvine United States 9588b2cc8acSafshin salek ardakani - Sun Microsystems - Irvine United States if (op->create_options & FILE_DIRECTORY_FILE) 959eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States (void) smb_fsop_rmdir(sr, sr->user_cr, fqi->fq_dnode, 960eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States fqi->fq_last_comp, flags); 9618b2cc8acSafshin salek ardakani - Sun Microsystems - Irvine United States else 962eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States (void) smb_fsop_remove(sr, sr->user_cr, fqi->fq_dnode, 963eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States fqi->fq_last_comp, flags); 964eb1d736bSafshin salek ardakani - Sun Microsystems - Irvine United States } 965