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 /* 22cb174861Sjoyce mcintosh * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. 235fd03bc0SGordon Ross * Copyright 2013 Nexenta Systems, Inc. All rights reserved. 24da6c28aaSamw */ 25da6c28aaSamw 26bbf6f00cSJordan Brown #include <smbsrv/smb_kproto.h> 27da6c28aaSamw #include <smbsrv/winioctl.h> 28da6c28aaSamw 29e3f2c991SKeyur Desai 30e3f2c991SKeyur Desai static uint32_t smb_nt_trans_ioctl_noop(smb_request_t *, smb_xa_t *); 31fd9ee8b5Sjoyce mcintosh static uint32_t smb_nt_trans_ioctl_invalid_parm(smb_request_t *, smb_xa_t *); 32fd9ee8b5Sjoyce mcintosh static uint32_t smb_nt_trans_ioctl_set_sparse(smb_request_t *, smb_xa_t *); 33fd9ee8b5Sjoyce mcintosh static uint32_t smb_nt_trans_ioctl_query_alloc_ranges(smb_request_t *, 3489dc44ceSjose borrego smb_xa_t *); 35fd9ee8b5Sjoyce mcintosh static uint32_t smb_nt_trans_ioctl_set_zero_data(smb_request_t *, smb_xa_t *); 36da6c28aaSamw 37da6c28aaSamw /* 38e3f2c991SKeyur Desai * This table defines the list of FSCTL values for which we'll 39e3f2c991SKeyur Desai * call a funtion to perform specific processing. 40cb174861Sjoyce mcintosh * 41cb174861Sjoyce mcintosh * Note: If support is added for FSCTL_SET_ZERO_DATA, it must break 42cb174861Sjoyce mcintosh * any oplocks on the file to none: 43cb174861Sjoyce mcintosh * smb_oplock_break(sr, node, SMB_OPLOCK_BREAK_TO_NONE); 44da6c28aaSamw */ 45*8622ec45SGordon Ross static const struct { 46da6c28aaSamw uint32_t fcode; 4789dc44ceSjose borrego uint32_t (*ioctl_func)(smb_request_t *sr, smb_xa_t *xa); 48da6c28aaSamw } ioctl_ret_tbl[] = { 4989dc44ceSjose borrego { FSCTL_GET_OBJECT_ID, smb_nt_trans_ioctl_invalid_parm }, 50fd9ee8b5Sjoyce mcintosh { FSCTL_QUERY_ALLOCATED_RANGES, smb_nt_trans_ioctl_query_alloc_ranges }, 51fd9ee8b5Sjoyce mcintosh { FSCTL_SET_ZERO_DATA, smb_nt_trans_ioctl_set_zero_data }, 52e3f2c991SKeyur Desai { FSCTL_SRV_ENUMERATE_SNAPSHOTS, smb_vss_ioctl_enumerate_snaps }, 53fd9ee8b5Sjoyce mcintosh { FSCTL_SET_SPARSE, smb_nt_trans_ioctl_set_sparse }, 549fb67ea3Safshin salek ardakani - Sun Microsystems - Irvine United States { FSCTL_FIND_FILES_BY_SID, smb_nt_trans_ioctl_noop } 55da6c28aaSamw }; 56da6c28aaSamw 57da6c28aaSamw /* 58da6c28aaSamw * smb_nt_transact_ioctl 59da6c28aaSamw * 60da6c28aaSamw * This command allows device and file system control functions to be 61e3f2c991SKeyur Desai * transferred transparently from client to server. 62da6c28aaSamw * 63da6c28aaSamw * Setup Words Encoding Description 64da6c28aaSamw * =========================== ========================================= 65da6c28aaSamw * ULONG FunctionCode; NT device or file system control code 66da6c28aaSamw * USHORT Fid; Handle for io or fs control. Unless BIT0 67da6c28aaSamw * of ISFLAGS is set. 68da6c28aaSamw * BOOLEAN IsFsctl; Indicates whether the command is a device 69da6c28aaSamw * control (FALSE) or a file system control 70da6c28aaSamw * (TRUE). 71da6c28aaSamw * UCHAR IsFlags; BIT0 - command is to be applied to share 72da6c28aaSamw * root handle. Share must be a DFS share. 73da6c28aaSamw * 74da6c28aaSamw * Data Block Encoding Description 75da6c28aaSamw * =========================== ========================================= 76da6c28aaSamw * Data[ TotalDataCount ] Passed to the Fsctl or Ioctl 77da6c28aaSamw * 78da6c28aaSamw * Server Response Description 79da6c28aaSamw * =========================== ================================== 80da6c28aaSamw * SetupCount 1 81da6c28aaSamw * Setup[0] Length of information returned by 82da6c28aaSamw * io or fs control. 83da6c28aaSamw * DataCount Length of information returned by 84da6c28aaSamw * io or fs control. 85da6c28aaSamw * Data[ DataCount ] The results of the io or fs control. 86da6c28aaSamw */ 877b59d02dSjb150015 smb_sdrc_t 8889dc44ceSjose borrego smb_nt_transact_ioctl(smb_request_t *sr, smb_xa_t *xa) 89da6c28aaSamw { 90e3f2c991SKeyur Desai uint32_t status = NT_STATUS_NOT_SUPPORTED; 91da6c28aaSamw uint32_t fcode; 92da6c28aaSamw unsigned char is_fsctl; 93da6c28aaSamw unsigned char is_flags; 94da6c28aaSamw int i; 95da6c28aaSamw 963db3f65cSamw if (smb_mbc_decodef(&xa->req_setup_mb, "lwbb", 97fd9ee8b5Sjoyce mcintosh &fcode, &sr->smb_fid, &is_fsctl, &is_flags) != 0) { 98dc20a302Sas200622 smbsr_error(sr, NT_STATUS_INVALID_PARAMETER, 0, 0); 99faa1795aSjb150015 return (SDRC_ERROR); 100da6c28aaSamw } 101da6c28aaSamw 102e3f2c991SKeyur Desai /* 103e3f2c991SKeyur Desai * Invoke handler if specified, otherwise the default 104e3f2c991SKeyur Desai * behavior is to return NT_STATUS_NOT_SUPPORTED 105e3f2c991SKeyur Desai */ 1067b59d02dSjb150015 for (i = 0; i < sizeof (ioctl_ret_tbl) / sizeof (ioctl_ret_tbl[0]); 107da6c28aaSamw i++) { 108da6c28aaSamw if (ioctl_ret_tbl[i].fcode == fcode) { 10989dc44ceSjose borrego status = ioctl_ret_tbl[i].ioctl_func(sr, xa); 110da6c28aaSamw break; 111da6c28aaSamw } 112da6c28aaSamw } 113da6c28aaSamw 1147b59d02dSjb150015 if (status != NT_STATUS_SUCCESS) { 115dc20a302Sas200622 smbsr_error(sr, status, 0, 0); 116faa1795aSjb150015 return (SDRC_ERROR); 1177b59d02dSjb150015 } 118da6c28aaSamw 1193db3f65cSamw (void) smb_mbc_encodef(&xa->rep_param_mb, "l", 0); 120faa1795aSjb150015 return (SDRC_SUCCESS); 121da6c28aaSamw } 12289dc44ceSjose borrego 12389dc44ceSjose borrego /* ARGSUSED */ 12489dc44ceSjose borrego static uint32_t 125e3f2c991SKeyur Desai smb_nt_trans_ioctl_noop(smb_request_t *sr, smb_xa_t *xa) 126e3f2c991SKeyur Desai { 127e3f2c991SKeyur Desai return (NT_STATUS_SUCCESS); 128e3f2c991SKeyur Desai } 129e3f2c991SKeyur Desai 130e3f2c991SKeyur Desai /* ARGSUSED */ 131e3f2c991SKeyur Desai static uint32_t 13289dc44ceSjose borrego smb_nt_trans_ioctl_invalid_parm(smb_request_t *sr, smb_xa_t *xa) 13389dc44ceSjose borrego { 13489dc44ceSjose borrego return (NT_STATUS_INVALID_PARAMETER); 13589dc44ceSjose borrego } 136fd9ee8b5Sjoyce mcintosh 137fd9ee8b5Sjoyce mcintosh /* 138fd9ee8b5Sjoyce mcintosh * smb_nt_trans_ioctl_set_sparse 139fd9ee8b5Sjoyce mcintosh * 140fd9ee8b5Sjoyce mcintosh * There may, or may not be a data block in this request. 141fd9ee8b5Sjoyce mcintosh * If there IS a data block, the first byte is a boolean 142fd9ee8b5Sjoyce mcintosh * specifying whether to set (non zero) or clear (zero) 143fd9ee8b5Sjoyce mcintosh * the sparse attribute of the file. 144fd9ee8b5Sjoyce mcintosh * If there is no data block, this indicates a request to 145fd9ee8b5Sjoyce mcintosh * set the sparse attribute. 146fd9ee8b5Sjoyce mcintosh */ 147fd9ee8b5Sjoyce mcintosh static uint32_t 148fd9ee8b5Sjoyce mcintosh smb_nt_trans_ioctl_set_sparse(smb_request_t *sr, smb_xa_t *xa) 149fd9ee8b5Sjoyce mcintosh { 150fd9ee8b5Sjoyce mcintosh int rc = 0; 151fd9ee8b5Sjoyce mcintosh uint8_t set = 1; 1525fd03bc0SGordon Ross smb_ofile_t *of; 153fd9ee8b5Sjoyce mcintosh smb_attr_t attr; 154fd9ee8b5Sjoyce mcintosh 155fd9ee8b5Sjoyce mcintosh if (SMB_TREE_IS_READONLY(sr)) 156fd9ee8b5Sjoyce mcintosh return (NT_STATUS_ACCESS_DENIED); 157fd9ee8b5Sjoyce mcintosh 158fd9ee8b5Sjoyce mcintosh if (STYPE_ISIPC(sr->tid_tree->t_res_type)) 159fd9ee8b5Sjoyce mcintosh return (NT_STATUS_INVALID_PARAMETER); 160fd9ee8b5Sjoyce mcintosh 161fd9ee8b5Sjoyce mcintosh smbsr_lookup_file(sr); 162fd9ee8b5Sjoyce mcintosh if (sr->fid_ofile == NULL) 163fd9ee8b5Sjoyce mcintosh return (NT_STATUS_INVALID_HANDLE); 164fd9ee8b5Sjoyce mcintosh 165fd9ee8b5Sjoyce mcintosh if (!SMB_FTYPE_IS_DISK(sr->fid_ofile->f_ftype)) { 166fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 167fd9ee8b5Sjoyce mcintosh return (NT_STATUS_INVALID_PARAMETER); 168fd9ee8b5Sjoyce mcintosh } 169fd9ee8b5Sjoyce mcintosh 1705fd03bc0SGordon Ross of = sr->fid_ofile; 1715fd03bc0SGordon Ross if (smb_node_is_dir(of->f_node)) { 172fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 173fd9ee8b5Sjoyce mcintosh return (NT_STATUS_INVALID_PARAMETER); 174fd9ee8b5Sjoyce mcintosh } 175fd9ee8b5Sjoyce mcintosh 176fd9ee8b5Sjoyce mcintosh if (smbsr_decode_data_avail(sr)) { 177fd9ee8b5Sjoyce mcintosh if (smb_mbc_decodef(&xa->req_data_mb, "b", &set) != 0) { 178fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 179fd9ee8b5Sjoyce mcintosh return (sr->smb_error.status); 180fd9ee8b5Sjoyce mcintosh } 181fd9ee8b5Sjoyce mcintosh } 182fd9ee8b5Sjoyce mcintosh 1835fd03bc0SGordon Ross /* 1845fd03bc0SGordon Ross * Using kcred because we just want the DOS attrs 1855fd03bc0SGordon Ross * and don't want access errors for this. 1865fd03bc0SGordon Ross */ 187fd9ee8b5Sjoyce mcintosh bzero(&attr, sizeof (smb_attr_t)); 188fd9ee8b5Sjoyce mcintosh attr.sa_mask = SMB_AT_DOSATTR; 189*8622ec45SGordon Ross rc = smb_node_getattr(sr, of->f_node, zone_kcred(), of, &attr); 1905fd03bc0SGordon Ross if (rc != 0) { 191fd9ee8b5Sjoyce mcintosh smbsr_errno(sr, rc); 192fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 193fd9ee8b5Sjoyce mcintosh return (sr->smb_error.status); 194fd9ee8b5Sjoyce mcintosh } 195fd9ee8b5Sjoyce mcintosh 196fd9ee8b5Sjoyce mcintosh attr.sa_mask = 0; 197fd9ee8b5Sjoyce mcintosh if ((set == 0) && 198fd9ee8b5Sjoyce mcintosh (attr.sa_dosattr & FILE_ATTRIBUTE_SPARSE_FILE)) { 199fd9ee8b5Sjoyce mcintosh attr.sa_dosattr &= ~FILE_ATTRIBUTE_SPARSE_FILE; 200fd9ee8b5Sjoyce mcintosh attr.sa_mask = SMB_AT_DOSATTR; 201fd9ee8b5Sjoyce mcintosh } else if ((set != 0) && 202fd9ee8b5Sjoyce mcintosh !(attr.sa_dosattr & FILE_ATTRIBUTE_SPARSE_FILE)) { 203fd9ee8b5Sjoyce mcintosh attr.sa_dosattr |= FILE_ATTRIBUTE_SPARSE_FILE; 204fd9ee8b5Sjoyce mcintosh attr.sa_mask = SMB_AT_DOSATTR; 205fd9ee8b5Sjoyce mcintosh } 206fd9ee8b5Sjoyce mcintosh 207fd9ee8b5Sjoyce mcintosh if (attr.sa_mask != 0) { 2085fd03bc0SGordon Ross rc = smb_node_setattr(sr, of->f_node, of->f_cr, of, &attr); 209fd9ee8b5Sjoyce mcintosh if (rc != 0) { 210fd9ee8b5Sjoyce mcintosh smbsr_errno(sr, rc); 211fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 212fd9ee8b5Sjoyce mcintosh return (sr->smb_error.status); 213fd9ee8b5Sjoyce mcintosh } 214fd9ee8b5Sjoyce mcintosh } 215fd9ee8b5Sjoyce mcintosh 216fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 217fd9ee8b5Sjoyce mcintosh return (NT_STATUS_SUCCESS); 218fd9ee8b5Sjoyce mcintosh } 219fd9ee8b5Sjoyce mcintosh 220fd9ee8b5Sjoyce mcintosh /* 221fd9ee8b5Sjoyce mcintosh * smb_nt_trans_ioctl_set_zero_data 222fd9ee8b5Sjoyce mcintosh * 223fd9ee8b5Sjoyce mcintosh * Check that the request is valid on the specified file. 224fd9ee8b5Sjoyce mcintosh * The implementation is a noop. 225fd9ee8b5Sjoyce mcintosh */ 226fd9ee8b5Sjoyce mcintosh /* ARGSUSED */ 227fd9ee8b5Sjoyce mcintosh static uint32_t 228fd9ee8b5Sjoyce mcintosh smb_nt_trans_ioctl_set_zero_data(smb_request_t *sr, smb_xa_t *xa) 229fd9ee8b5Sjoyce mcintosh { 230fd9ee8b5Sjoyce mcintosh smb_node_t *node; 231fd9ee8b5Sjoyce mcintosh 232fd9ee8b5Sjoyce mcintosh if (SMB_TREE_IS_READONLY(sr)) 233fd9ee8b5Sjoyce mcintosh return (NT_STATUS_ACCESS_DENIED); 234fd9ee8b5Sjoyce mcintosh 235fd9ee8b5Sjoyce mcintosh if (STYPE_ISIPC(sr->tid_tree->t_res_type)) 236fd9ee8b5Sjoyce mcintosh return (NT_STATUS_INVALID_PARAMETER); 237fd9ee8b5Sjoyce mcintosh 238fd9ee8b5Sjoyce mcintosh smbsr_lookup_file(sr); 239fd9ee8b5Sjoyce mcintosh if (sr->fid_ofile == NULL) 240fd9ee8b5Sjoyce mcintosh return (NT_STATUS_INVALID_HANDLE); 241fd9ee8b5Sjoyce mcintosh 242fd9ee8b5Sjoyce mcintosh if (!SMB_FTYPE_IS_DISK(sr->fid_ofile->f_ftype)) { 243fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 244fd9ee8b5Sjoyce mcintosh return (NT_STATUS_INVALID_PARAMETER); 245fd9ee8b5Sjoyce mcintosh } 246fd9ee8b5Sjoyce mcintosh 247fd9ee8b5Sjoyce mcintosh node = sr->fid_ofile->f_node; 248fd9ee8b5Sjoyce mcintosh if (smb_node_is_dir(node)) { 249fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 250fd9ee8b5Sjoyce mcintosh return (NT_STATUS_INVALID_PARAMETER); 251fd9ee8b5Sjoyce mcintosh } 252fd9ee8b5Sjoyce mcintosh 253fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 254fd9ee8b5Sjoyce mcintosh return (NT_STATUS_SUCCESS); 255fd9ee8b5Sjoyce mcintosh } 256fd9ee8b5Sjoyce mcintosh 257fd9ee8b5Sjoyce mcintosh /* 258fd9ee8b5Sjoyce mcintosh * smb_nt_trans_ioctl_query_alloc_ranges 259fd9ee8b5Sjoyce mcintosh * 260fd9ee8b5Sjoyce mcintosh * Responds with either: 261fd9ee8b5Sjoyce mcintosh * - no data if the file is zero size 262fd9ee8b5Sjoyce mcintosh * - a single range containing the starting point and length requested 263fd9ee8b5Sjoyce mcintosh */ 264fd9ee8b5Sjoyce mcintosh static uint32_t 265fd9ee8b5Sjoyce mcintosh smb_nt_trans_ioctl_query_alloc_ranges(smb_request_t *sr, smb_xa_t *xa) 266fd9ee8b5Sjoyce mcintosh { 267fd9ee8b5Sjoyce mcintosh int rc; 268fd9ee8b5Sjoyce mcintosh uint64_t offset, len; 2695fd03bc0SGordon Ross smb_ofile_t *of; 270fd9ee8b5Sjoyce mcintosh smb_attr_t attr; 271fd9ee8b5Sjoyce mcintosh 272fd9ee8b5Sjoyce mcintosh if (STYPE_ISIPC(sr->tid_tree->t_res_type)) 273fd9ee8b5Sjoyce mcintosh return (NT_STATUS_INVALID_PARAMETER); 274fd9ee8b5Sjoyce mcintosh 275fd9ee8b5Sjoyce mcintosh smbsr_lookup_file(sr); 276fd9ee8b5Sjoyce mcintosh if (sr->fid_ofile == NULL) 277fd9ee8b5Sjoyce mcintosh return (NT_STATUS_INVALID_HANDLE); 278fd9ee8b5Sjoyce mcintosh 279fd9ee8b5Sjoyce mcintosh if (!SMB_FTYPE_IS_DISK(sr->fid_ofile->f_ftype)) { 280fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 281fd9ee8b5Sjoyce mcintosh return (NT_STATUS_INVALID_PARAMETER); 282fd9ee8b5Sjoyce mcintosh } 283fd9ee8b5Sjoyce mcintosh 2845fd03bc0SGordon Ross of = sr->fid_ofile; 2855fd03bc0SGordon Ross if (smb_node_is_dir(of->f_node)) { 286fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 287fd9ee8b5Sjoyce mcintosh return (NT_STATUS_INVALID_PARAMETER); 288fd9ee8b5Sjoyce mcintosh } 289fd9ee8b5Sjoyce mcintosh 290fd9ee8b5Sjoyce mcintosh /* If zero size file don't return any data */ 291fd9ee8b5Sjoyce mcintosh bzero(&attr, sizeof (smb_attr_t)); 292fd9ee8b5Sjoyce mcintosh attr.sa_mask = SMB_AT_SIZE; 2935fd03bc0SGordon Ross rc = smb_node_getattr(sr, of->f_node, of->f_cr, of, &attr); 2945fd03bc0SGordon Ross if (rc != 0) { 295fd9ee8b5Sjoyce mcintosh smbsr_errno(sr, rc); 296fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 297fd9ee8b5Sjoyce mcintosh return (sr->smb_error.status); 298fd9ee8b5Sjoyce mcintosh } 299fd9ee8b5Sjoyce mcintosh 300fd9ee8b5Sjoyce mcintosh if (attr.sa_vattr.va_size == 0) { 301fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 302fd9ee8b5Sjoyce mcintosh return (NT_STATUS_SUCCESS); 303fd9ee8b5Sjoyce mcintosh } 304fd9ee8b5Sjoyce mcintosh 305fd9ee8b5Sjoyce mcintosh if (smb_mbc_decodef(&xa->req_data_mb, "qq", &offset, &len) != 0) { 306fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 307fd9ee8b5Sjoyce mcintosh return (sr->smb_error.status); 308fd9ee8b5Sjoyce mcintosh } 309fd9ee8b5Sjoyce mcintosh 310fd9ee8b5Sjoyce mcintosh /* 311fd9ee8b5Sjoyce mcintosh * Return a single range regardless of whether the file 312fd9ee8b5Sjoyce mcintosh * is sparse or not. 313fd9ee8b5Sjoyce mcintosh */ 314fd9ee8b5Sjoyce mcintosh if (MBC_ROOM_FOR(&xa->rep_data_mb, 16) == 0) { 315fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 316fd9ee8b5Sjoyce mcintosh return (NT_STATUS_BUFFER_TOO_SMALL); 317fd9ee8b5Sjoyce mcintosh } 318fd9ee8b5Sjoyce mcintosh 319fd9ee8b5Sjoyce mcintosh if (smb_mbc_encodef(&xa->rep_data_mb, "qq", offset, len) != 0) { 320fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 321fd9ee8b5Sjoyce mcintosh return (sr->smb_error.status); 322fd9ee8b5Sjoyce mcintosh } 323fd9ee8b5Sjoyce mcintosh 324fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 325fd9ee8b5Sjoyce mcintosh return (NT_STATUS_SUCCESS); 326fd9ee8b5Sjoyce mcintosh } 327