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. 23da6c28aaSamw */ 24da6c28aaSamw 25bbf6f00cSJordan Brown #include <smbsrv/smb_kproto.h> 26da6c28aaSamw #include <smbsrv/winioctl.h> 27da6c28aaSamw 28e3f2c991SKeyur Desai 29e3f2c991SKeyur Desai static uint32_t smb_nt_trans_ioctl_noop(smb_request_t *, smb_xa_t *); 30*fd9ee8b5Sjoyce mcintosh static uint32_t smb_nt_trans_ioctl_invalid_parm(smb_request_t *, smb_xa_t *); 31*fd9ee8b5Sjoyce mcintosh static uint32_t smb_nt_trans_ioctl_set_sparse(smb_request_t *, smb_xa_t *); 32*fd9ee8b5Sjoyce mcintosh static uint32_t smb_nt_trans_ioctl_query_alloc_ranges(smb_request_t *, 3389dc44ceSjose borrego smb_xa_t *); 34*fd9ee8b5Sjoyce mcintosh static uint32_t smb_nt_trans_ioctl_set_zero_data(smb_request_t *, smb_xa_t *); 35da6c28aaSamw 36da6c28aaSamw /* 37e3f2c991SKeyur Desai * This table defines the list of FSCTL values for which we'll 38e3f2c991SKeyur Desai * call a funtion to perform specific processing. 39cb174861Sjoyce mcintosh * 40cb174861Sjoyce mcintosh * Note: If support is added for FSCTL_SET_ZERO_DATA, it must break 41cb174861Sjoyce mcintosh * any oplocks on the file to none: 42cb174861Sjoyce mcintosh * smb_oplock_break(sr, node, SMB_OPLOCK_BREAK_TO_NONE); 43da6c28aaSamw */ 44da6c28aaSamw static struct { 45da6c28aaSamw uint32_t fcode; 4689dc44ceSjose borrego uint32_t (*ioctl_func)(smb_request_t *sr, smb_xa_t *xa); 47da6c28aaSamw } ioctl_ret_tbl[] = { 4889dc44ceSjose borrego { FSCTL_GET_OBJECT_ID, smb_nt_trans_ioctl_invalid_parm }, 49*fd9ee8b5Sjoyce mcintosh { FSCTL_QUERY_ALLOCATED_RANGES, smb_nt_trans_ioctl_query_alloc_ranges }, 50*fd9ee8b5Sjoyce mcintosh { FSCTL_SET_ZERO_DATA, smb_nt_trans_ioctl_set_zero_data }, 51e3f2c991SKeyur Desai { FSCTL_SRV_ENUMERATE_SNAPSHOTS, smb_vss_ioctl_enumerate_snaps }, 52*fd9ee8b5Sjoyce mcintosh { FSCTL_SET_SPARSE, smb_nt_trans_ioctl_set_sparse }, 539fb67ea3Safshin salek ardakani - Sun Microsystems - Irvine United States { FSCTL_FIND_FILES_BY_SID, smb_nt_trans_ioctl_noop } 54da6c28aaSamw }; 55da6c28aaSamw 56da6c28aaSamw /* 57da6c28aaSamw * smb_nt_transact_ioctl 58da6c28aaSamw * 59da6c28aaSamw * This command allows device and file system control functions to be 60e3f2c991SKeyur Desai * transferred transparently from client to server. 61da6c28aaSamw * 62da6c28aaSamw * Setup Words Encoding Description 63da6c28aaSamw * =========================== ========================================= 64da6c28aaSamw * ULONG FunctionCode; NT device or file system control code 65da6c28aaSamw * USHORT Fid; Handle for io or fs control. Unless BIT0 66da6c28aaSamw * of ISFLAGS is set. 67da6c28aaSamw * BOOLEAN IsFsctl; Indicates whether the command is a device 68da6c28aaSamw * control (FALSE) or a file system control 69da6c28aaSamw * (TRUE). 70da6c28aaSamw * UCHAR IsFlags; BIT0 - command is to be applied to share 71da6c28aaSamw * root handle. Share must be a DFS share. 72da6c28aaSamw * 73da6c28aaSamw * Data Block Encoding Description 74da6c28aaSamw * =========================== ========================================= 75da6c28aaSamw * Data[ TotalDataCount ] Passed to the Fsctl or Ioctl 76da6c28aaSamw * 77da6c28aaSamw * Server Response Description 78da6c28aaSamw * =========================== ================================== 79da6c28aaSamw * SetupCount 1 80da6c28aaSamw * Setup[0] Length of information returned by 81da6c28aaSamw * io or fs control. 82da6c28aaSamw * DataCount Length of information returned by 83da6c28aaSamw * io or fs control. 84da6c28aaSamw * Data[ DataCount ] The results of the io or fs control. 85da6c28aaSamw */ 867b59d02dSjb150015 smb_sdrc_t 8789dc44ceSjose borrego smb_nt_transact_ioctl(smb_request_t *sr, smb_xa_t *xa) 88da6c28aaSamw { 89e3f2c991SKeyur Desai uint32_t status = NT_STATUS_NOT_SUPPORTED; 90da6c28aaSamw uint32_t fcode; 91da6c28aaSamw unsigned char is_fsctl; 92da6c28aaSamw unsigned char is_flags; 93da6c28aaSamw int i; 94da6c28aaSamw 953db3f65cSamw if (smb_mbc_decodef(&xa->req_setup_mb, "lwbb", 96*fd9ee8b5Sjoyce mcintosh &fcode, &sr->smb_fid, &is_fsctl, &is_flags) != 0) { 97dc20a302Sas200622 smbsr_error(sr, NT_STATUS_INVALID_PARAMETER, 0, 0); 98faa1795aSjb150015 return (SDRC_ERROR); 99da6c28aaSamw } 100da6c28aaSamw 101e3f2c991SKeyur Desai /* 102e3f2c991SKeyur Desai * Invoke handler if specified, otherwise the default 103e3f2c991SKeyur Desai * behavior is to return NT_STATUS_NOT_SUPPORTED 104e3f2c991SKeyur Desai */ 1057b59d02dSjb150015 for (i = 0; i < sizeof (ioctl_ret_tbl) / sizeof (ioctl_ret_tbl[0]); 106da6c28aaSamw i++) { 107da6c28aaSamw if (ioctl_ret_tbl[i].fcode == fcode) { 10889dc44ceSjose borrego status = ioctl_ret_tbl[i].ioctl_func(sr, xa); 109da6c28aaSamw break; 110da6c28aaSamw } 111da6c28aaSamw } 112da6c28aaSamw 1137b59d02dSjb150015 if (status != NT_STATUS_SUCCESS) { 114dc20a302Sas200622 smbsr_error(sr, status, 0, 0); 115faa1795aSjb150015 return (SDRC_ERROR); 1167b59d02dSjb150015 } 117da6c28aaSamw 1183db3f65cSamw (void) smb_mbc_encodef(&xa->rep_param_mb, "l", 0); 119faa1795aSjb150015 return (SDRC_SUCCESS); 120da6c28aaSamw } 12189dc44ceSjose borrego 12289dc44ceSjose borrego /* ARGSUSED */ 12389dc44ceSjose borrego static uint32_t 124e3f2c991SKeyur Desai smb_nt_trans_ioctl_noop(smb_request_t *sr, smb_xa_t *xa) 125e3f2c991SKeyur Desai { 126e3f2c991SKeyur Desai return (NT_STATUS_SUCCESS); 127e3f2c991SKeyur Desai } 128e3f2c991SKeyur Desai 129e3f2c991SKeyur Desai /* ARGSUSED */ 130e3f2c991SKeyur Desai static uint32_t 13189dc44ceSjose borrego smb_nt_trans_ioctl_invalid_parm(smb_request_t *sr, smb_xa_t *xa) 13289dc44ceSjose borrego { 13389dc44ceSjose borrego return (NT_STATUS_INVALID_PARAMETER); 13489dc44ceSjose borrego } 135*fd9ee8b5Sjoyce mcintosh 136*fd9ee8b5Sjoyce mcintosh /* 137*fd9ee8b5Sjoyce mcintosh * smb_nt_trans_ioctl_set_sparse 138*fd9ee8b5Sjoyce mcintosh * 139*fd9ee8b5Sjoyce mcintosh * There may, or may not be a data block in this request. 140*fd9ee8b5Sjoyce mcintosh * If there IS a data block, the first byte is a boolean 141*fd9ee8b5Sjoyce mcintosh * specifying whether to set (non zero) or clear (zero) 142*fd9ee8b5Sjoyce mcintosh * the sparse attribute of the file. 143*fd9ee8b5Sjoyce mcintosh * If there is no data block, this indicates a request to 144*fd9ee8b5Sjoyce mcintosh * set the sparse attribute. 145*fd9ee8b5Sjoyce mcintosh */ 146*fd9ee8b5Sjoyce mcintosh static uint32_t 147*fd9ee8b5Sjoyce mcintosh smb_nt_trans_ioctl_set_sparse(smb_request_t *sr, smb_xa_t *xa) 148*fd9ee8b5Sjoyce mcintosh { 149*fd9ee8b5Sjoyce mcintosh int rc = 0; 150*fd9ee8b5Sjoyce mcintosh uint8_t set = 1; 151*fd9ee8b5Sjoyce mcintosh smb_node_t *node; 152*fd9ee8b5Sjoyce mcintosh smb_attr_t attr; 153*fd9ee8b5Sjoyce mcintosh 154*fd9ee8b5Sjoyce mcintosh if (SMB_TREE_IS_READONLY(sr)) 155*fd9ee8b5Sjoyce mcintosh return (NT_STATUS_ACCESS_DENIED); 156*fd9ee8b5Sjoyce mcintosh 157*fd9ee8b5Sjoyce mcintosh if (STYPE_ISIPC(sr->tid_tree->t_res_type)) 158*fd9ee8b5Sjoyce mcintosh return (NT_STATUS_INVALID_PARAMETER); 159*fd9ee8b5Sjoyce mcintosh 160*fd9ee8b5Sjoyce mcintosh smbsr_lookup_file(sr); 161*fd9ee8b5Sjoyce mcintosh if (sr->fid_ofile == NULL) 162*fd9ee8b5Sjoyce mcintosh return (NT_STATUS_INVALID_HANDLE); 163*fd9ee8b5Sjoyce mcintosh 164*fd9ee8b5Sjoyce mcintosh if (!SMB_FTYPE_IS_DISK(sr->fid_ofile->f_ftype)) { 165*fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 166*fd9ee8b5Sjoyce mcintosh return (NT_STATUS_INVALID_PARAMETER); 167*fd9ee8b5Sjoyce mcintosh } 168*fd9ee8b5Sjoyce mcintosh 169*fd9ee8b5Sjoyce mcintosh node = sr->fid_ofile->f_node; 170*fd9ee8b5Sjoyce mcintosh if (smb_node_is_dir(node)) { 171*fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 172*fd9ee8b5Sjoyce mcintosh return (NT_STATUS_INVALID_PARAMETER); 173*fd9ee8b5Sjoyce mcintosh } 174*fd9ee8b5Sjoyce mcintosh 175*fd9ee8b5Sjoyce mcintosh if (smbsr_decode_data_avail(sr)) { 176*fd9ee8b5Sjoyce mcintosh if (smb_mbc_decodef(&xa->req_data_mb, "b", &set) != 0) { 177*fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 178*fd9ee8b5Sjoyce mcintosh return (sr->smb_error.status); 179*fd9ee8b5Sjoyce mcintosh } 180*fd9ee8b5Sjoyce mcintosh } 181*fd9ee8b5Sjoyce mcintosh 182*fd9ee8b5Sjoyce mcintosh bzero(&attr, sizeof (smb_attr_t)); 183*fd9ee8b5Sjoyce mcintosh attr.sa_mask = SMB_AT_DOSATTR; 184*fd9ee8b5Sjoyce mcintosh if ((rc = smb_node_getattr(sr, node, &attr)) != 0) { 185*fd9ee8b5Sjoyce mcintosh smbsr_errno(sr, rc); 186*fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 187*fd9ee8b5Sjoyce mcintosh return (sr->smb_error.status); 188*fd9ee8b5Sjoyce mcintosh } 189*fd9ee8b5Sjoyce mcintosh 190*fd9ee8b5Sjoyce mcintosh attr.sa_mask = 0; 191*fd9ee8b5Sjoyce mcintosh if ((set == 0) && 192*fd9ee8b5Sjoyce mcintosh (attr.sa_dosattr & FILE_ATTRIBUTE_SPARSE_FILE)) { 193*fd9ee8b5Sjoyce mcintosh attr.sa_dosattr &= ~FILE_ATTRIBUTE_SPARSE_FILE; 194*fd9ee8b5Sjoyce mcintosh attr.sa_mask = SMB_AT_DOSATTR; 195*fd9ee8b5Sjoyce mcintosh } else if ((set != 0) && 196*fd9ee8b5Sjoyce mcintosh !(attr.sa_dosattr & FILE_ATTRIBUTE_SPARSE_FILE)) { 197*fd9ee8b5Sjoyce mcintosh attr.sa_dosattr |= FILE_ATTRIBUTE_SPARSE_FILE; 198*fd9ee8b5Sjoyce mcintosh attr.sa_mask = SMB_AT_DOSATTR; 199*fd9ee8b5Sjoyce mcintosh } 200*fd9ee8b5Sjoyce mcintosh 201*fd9ee8b5Sjoyce mcintosh if (attr.sa_mask != 0) { 202*fd9ee8b5Sjoyce mcintosh rc = smb_node_setattr(sr, node, sr->user_cr, NULL, &attr); 203*fd9ee8b5Sjoyce mcintosh if (rc != 0) { 204*fd9ee8b5Sjoyce mcintosh smbsr_errno(sr, rc); 205*fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 206*fd9ee8b5Sjoyce mcintosh return (sr->smb_error.status); 207*fd9ee8b5Sjoyce mcintosh } 208*fd9ee8b5Sjoyce mcintosh } 209*fd9ee8b5Sjoyce mcintosh 210*fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 211*fd9ee8b5Sjoyce mcintosh return (NT_STATUS_SUCCESS); 212*fd9ee8b5Sjoyce mcintosh } 213*fd9ee8b5Sjoyce mcintosh 214*fd9ee8b5Sjoyce mcintosh /* 215*fd9ee8b5Sjoyce mcintosh * smb_nt_trans_ioctl_set_zero_data 216*fd9ee8b5Sjoyce mcintosh * 217*fd9ee8b5Sjoyce mcintosh * Check that the request is valid on the specified file. 218*fd9ee8b5Sjoyce mcintosh * The implementation is a noop. 219*fd9ee8b5Sjoyce mcintosh */ 220*fd9ee8b5Sjoyce mcintosh /* ARGSUSED */ 221*fd9ee8b5Sjoyce mcintosh static uint32_t 222*fd9ee8b5Sjoyce mcintosh smb_nt_trans_ioctl_set_zero_data(smb_request_t *sr, smb_xa_t *xa) 223*fd9ee8b5Sjoyce mcintosh { 224*fd9ee8b5Sjoyce mcintosh smb_node_t *node; 225*fd9ee8b5Sjoyce mcintosh 226*fd9ee8b5Sjoyce mcintosh if (SMB_TREE_IS_READONLY(sr)) 227*fd9ee8b5Sjoyce mcintosh return (NT_STATUS_ACCESS_DENIED); 228*fd9ee8b5Sjoyce mcintosh 229*fd9ee8b5Sjoyce mcintosh if (STYPE_ISIPC(sr->tid_tree->t_res_type)) 230*fd9ee8b5Sjoyce mcintosh return (NT_STATUS_INVALID_PARAMETER); 231*fd9ee8b5Sjoyce mcintosh 232*fd9ee8b5Sjoyce mcintosh smbsr_lookup_file(sr); 233*fd9ee8b5Sjoyce mcintosh if (sr->fid_ofile == NULL) 234*fd9ee8b5Sjoyce mcintosh return (NT_STATUS_INVALID_HANDLE); 235*fd9ee8b5Sjoyce mcintosh 236*fd9ee8b5Sjoyce mcintosh if (!SMB_FTYPE_IS_DISK(sr->fid_ofile->f_ftype)) { 237*fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 238*fd9ee8b5Sjoyce mcintosh return (NT_STATUS_INVALID_PARAMETER); 239*fd9ee8b5Sjoyce mcintosh } 240*fd9ee8b5Sjoyce mcintosh 241*fd9ee8b5Sjoyce mcintosh node = sr->fid_ofile->f_node; 242*fd9ee8b5Sjoyce mcintosh if (smb_node_is_dir(node)) { 243*fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 244*fd9ee8b5Sjoyce mcintosh return (NT_STATUS_INVALID_PARAMETER); 245*fd9ee8b5Sjoyce mcintosh } 246*fd9ee8b5Sjoyce mcintosh 247*fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 248*fd9ee8b5Sjoyce mcintosh return (NT_STATUS_SUCCESS); 249*fd9ee8b5Sjoyce mcintosh } 250*fd9ee8b5Sjoyce mcintosh 251*fd9ee8b5Sjoyce mcintosh /* 252*fd9ee8b5Sjoyce mcintosh * smb_nt_trans_ioctl_query_alloc_ranges 253*fd9ee8b5Sjoyce mcintosh * 254*fd9ee8b5Sjoyce mcintosh * Responds with either: 255*fd9ee8b5Sjoyce mcintosh * - no data if the file is zero size 256*fd9ee8b5Sjoyce mcintosh * - a single range containing the starting point and length requested 257*fd9ee8b5Sjoyce mcintosh */ 258*fd9ee8b5Sjoyce mcintosh static uint32_t 259*fd9ee8b5Sjoyce mcintosh smb_nt_trans_ioctl_query_alloc_ranges(smb_request_t *sr, smb_xa_t *xa) 260*fd9ee8b5Sjoyce mcintosh { 261*fd9ee8b5Sjoyce mcintosh int rc; 262*fd9ee8b5Sjoyce mcintosh uint64_t offset, len; 263*fd9ee8b5Sjoyce mcintosh smb_node_t *node; 264*fd9ee8b5Sjoyce mcintosh smb_attr_t attr; 265*fd9ee8b5Sjoyce mcintosh 266*fd9ee8b5Sjoyce mcintosh if (STYPE_ISIPC(sr->tid_tree->t_res_type)) 267*fd9ee8b5Sjoyce mcintosh return (NT_STATUS_INVALID_PARAMETER); 268*fd9ee8b5Sjoyce mcintosh 269*fd9ee8b5Sjoyce mcintosh smbsr_lookup_file(sr); 270*fd9ee8b5Sjoyce mcintosh if (sr->fid_ofile == NULL) 271*fd9ee8b5Sjoyce mcintosh return (NT_STATUS_INVALID_HANDLE); 272*fd9ee8b5Sjoyce mcintosh 273*fd9ee8b5Sjoyce mcintosh if (!SMB_FTYPE_IS_DISK(sr->fid_ofile->f_ftype)) { 274*fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 275*fd9ee8b5Sjoyce mcintosh return (NT_STATUS_INVALID_PARAMETER); 276*fd9ee8b5Sjoyce mcintosh } 277*fd9ee8b5Sjoyce mcintosh 278*fd9ee8b5Sjoyce mcintosh node = sr->fid_ofile->f_node; 279*fd9ee8b5Sjoyce mcintosh if (smb_node_is_dir(node)) { 280*fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 281*fd9ee8b5Sjoyce mcintosh return (NT_STATUS_INVALID_PARAMETER); 282*fd9ee8b5Sjoyce mcintosh } 283*fd9ee8b5Sjoyce mcintosh 284*fd9ee8b5Sjoyce mcintosh /* If zero size file don't return any data */ 285*fd9ee8b5Sjoyce mcintosh bzero(&attr, sizeof (smb_attr_t)); 286*fd9ee8b5Sjoyce mcintosh attr.sa_mask = SMB_AT_SIZE; 287*fd9ee8b5Sjoyce mcintosh if ((rc = smb_node_getattr(sr, node, &attr)) != 0) { 288*fd9ee8b5Sjoyce mcintosh smbsr_errno(sr, rc); 289*fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 290*fd9ee8b5Sjoyce mcintosh return (sr->smb_error.status); 291*fd9ee8b5Sjoyce mcintosh } 292*fd9ee8b5Sjoyce mcintosh 293*fd9ee8b5Sjoyce mcintosh if (attr.sa_vattr.va_size == 0) { 294*fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 295*fd9ee8b5Sjoyce mcintosh return (NT_STATUS_SUCCESS); 296*fd9ee8b5Sjoyce mcintosh } 297*fd9ee8b5Sjoyce mcintosh 298*fd9ee8b5Sjoyce mcintosh if (smb_mbc_decodef(&xa->req_data_mb, "qq", &offset, &len) != 0) { 299*fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 300*fd9ee8b5Sjoyce mcintosh return (sr->smb_error.status); 301*fd9ee8b5Sjoyce mcintosh } 302*fd9ee8b5Sjoyce mcintosh 303*fd9ee8b5Sjoyce mcintosh /* 304*fd9ee8b5Sjoyce mcintosh * Return a single range regardless of whether the file 305*fd9ee8b5Sjoyce mcintosh * is sparse or not. 306*fd9ee8b5Sjoyce mcintosh */ 307*fd9ee8b5Sjoyce mcintosh if (MBC_ROOM_FOR(&xa->rep_data_mb, 16) == 0) { 308*fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 309*fd9ee8b5Sjoyce mcintosh return (NT_STATUS_BUFFER_TOO_SMALL); 310*fd9ee8b5Sjoyce mcintosh } 311*fd9ee8b5Sjoyce mcintosh 312*fd9ee8b5Sjoyce mcintosh if (smb_mbc_encodef(&xa->rep_data_mb, "qq", offset, len) != 0) { 313*fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 314*fd9ee8b5Sjoyce mcintosh return (sr->smb_error.status); 315*fd9ee8b5Sjoyce mcintosh } 316*fd9ee8b5Sjoyce mcintosh 317*fd9ee8b5Sjoyce mcintosh smbsr_release_file(sr); 318*fd9ee8b5Sjoyce mcintosh return (NT_STATUS_SUCCESS); 319*fd9ee8b5Sjoyce mcintosh } 320