1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. 23 */ 24 25 #include <smbsrv/smb_kproto.h> 26 #include <smbsrv/winioctl.h> 27 28 29 static uint32_t smb_nt_trans_ioctl_noop(smb_request_t *, smb_xa_t *); 30 static uint32_t smb_nt_trans_ioctl_invalid_parm(smb_request_t *, 31 smb_xa_t *); 32 33 /* 34 * This table defines the list of FSCTL values for which we'll 35 * call a funtion to perform specific processing. 36 * 37 * Note: If support is added for FSCTL_SET_ZERO_DATA, it must break 38 * any oplocks on the file to none: 39 * smb_oplock_break(sr, node, SMB_OPLOCK_BREAK_TO_NONE); 40 */ 41 static struct { 42 uint32_t fcode; 43 uint32_t (*ioctl_func)(smb_request_t *sr, smb_xa_t *xa); 44 } ioctl_ret_tbl[] = { 45 { FSCTL_GET_OBJECT_ID, smb_nt_trans_ioctl_invalid_parm }, 46 { FSCTL_QUERY_ALLOCATED_RANGES, smb_nt_trans_ioctl_invalid_parm }, 47 { FSCTL_SRV_ENUMERATE_SNAPSHOTS, smb_vss_ioctl_enumerate_snaps }, 48 { FSCTL_SET_SPARSE, smb_nt_trans_ioctl_noop }, 49 { FSCTL_FIND_FILES_BY_SID, smb_nt_trans_ioctl_noop } 50 }; 51 52 /* 53 * smb_nt_transact_ioctl 54 * 55 * This command allows device and file system control functions to be 56 * transferred transparently from client to server. 57 * 58 * Setup Words Encoding Description 59 * =========================== ========================================= 60 * ULONG FunctionCode; NT device or file system control code 61 * USHORT Fid; Handle for io or fs control. Unless BIT0 62 * of ISFLAGS is set. 63 * BOOLEAN IsFsctl; Indicates whether the command is a device 64 * control (FALSE) or a file system control 65 * (TRUE). 66 * UCHAR IsFlags; BIT0 - command is to be applied to share 67 * root handle. Share must be a DFS share. 68 * 69 * Data Block Encoding Description 70 * =========================== ========================================= 71 * Data[ TotalDataCount ] Passed to the Fsctl or Ioctl 72 * 73 * Server Response Description 74 * =========================== ================================== 75 * SetupCount 1 76 * Setup[0] Length of information returned by 77 * io or fs control. 78 * DataCount Length of information returned by 79 * io or fs control. 80 * Data[ DataCount ] The results of the io or fs control. 81 */ 82 smb_sdrc_t 83 smb_nt_transact_ioctl(smb_request_t *sr, smb_xa_t *xa) 84 { 85 uint32_t status = NT_STATUS_NOT_SUPPORTED; 86 uint32_t fcode; 87 unsigned short fid; 88 unsigned char is_fsctl; 89 unsigned char is_flags; 90 int i; 91 92 if (smb_mbc_decodef(&xa->req_setup_mb, "lwbb", 93 &fcode, &fid, &is_fsctl, &is_flags) != 0) { 94 smbsr_error(sr, NT_STATUS_INVALID_PARAMETER, 0, 0); 95 return (SDRC_ERROR); 96 } 97 98 /* 99 * Invoke handler if specified, otherwise the default 100 * behavior is to return NT_STATUS_NOT_SUPPORTED 101 */ 102 for (i = 0; i < sizeof (ioctl_ret_tbl) / sizeof (ioctl_ret_tbl[0]); 103 i++) { 104 if (ioctl_ret_tbl[i].fcode == fcode) { 105 status = ioctl_ret_tbl[i].ioctl_func(sr, xa); 106 break; 107 } 108 } 109 110 if (status != NT_STATUS_SUCCESS) { 111 smbsr_error(sr, status, 0, 0); 112 return (SDRC_ERROR); 113 } 114 115 (void) smb_mbc_encodef(&xa->rep_param_mb, "l", 0); 116 return (SDRC_SUCCESS); 117 } 118 119 /* ARGSUSED */ 120 static uint32_t 121 smb_nt_trans_ioctl_noop(smb_request_t *sr, smb_xa_t *xa) 122 { 123 return (NT_STATUS_SUCCESS); 124 } 125 126 /* ARGSUSED */ 127 static uint32_t 128 smb_nt_trans_ioctl_invalid_parm(smb_request_t *sr, smb_xa_t *xa) 129 { 130 return (NT_STATUS_INVALID_PARAMETER); 131 } 132