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 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #include <smbsrv/smb_incl.h> 27 #include <smbsrv/winioctl.h> 28 #include <smbsrv/ntstatus.h> 29 30 31 static uint32_t smb_nt_trans_ioctl_noop(smb_request_t *, smb_xa_t *); 32 static uint32_t smb_nt_trans_ioctl_invalid_parm(smb_request_t *, 33 smb_xa_t *); 34 35 /* 36 * This table defines the list of FSCTL values for which we'll 37 * call a funtion to perform specific processing. 38 */ 39 static struct { 40 uint32_t fcode; 41 uint32_t (*ioctl_func)(smb_request_t *sr, smb_xa_t *xa); 42 } ioctl_ret_tbl[] = { 43 { FSCTL_GET_OBJECT_ID, smb_nt_trans_ioctl_invalid_parm }, 44 { FSCTL_QUERY_ALLOCATED_RANGES, smb_nt_trans_ioctl_invalid_parm }, 45 { FSCTL_SRV_ENUMERATE_SNAPSHOTS, smb_vss_ioctl_enumerate_snaps }, 46 { FSCTL_SET_SPARSE, smb_nt_trans_ioctl_noop } 47 }; 48 49 /* 50 * smb_nt_transact_ioctl 51 * 52 * This command allows device and file system control functions to be 53 * transferred transparently from client to server. 54 * 55 * Setup Words Encoding Description 56 * =========================== ========================================= 57 * ULONG FunctionCode; NT device or file system control code 58 * USHORT Fid; Handle for io or fs control. Unless BIT0 59 * of ISFLAGS is set. 60 * BOOLEAN IsFsctl; Indicates whether the command is a device 61 * control (FALSE) or a file system control 62 * (TRUE). 63 * UCHAR IsFlags; BIT0 - command is to be applied to share 64 * root handle. Share must be a DFS share. 65 * 66 * Data Block Encoding Description 67 * =========================== ========================================= 68 * Data[ TotalDataCount ] Passed to the Fsctl or Ioctl 69 * 70 * Server Response Description 71 * =========================== ================================== 72 * SetupCount 1 73 * Setup[0] Length of information returned by 74 * io or fs control. 75 * DataCount Length of information returned by 76 * io or fs control. 77 * Data[ DataCount ] The results of the io or fs control. 78 */ 79 smb_sdrc_t 80 smb_nt_transact_ioctl(smb_request_t *sr, smb_xa_t *xa) 81 { 82 uint32_t status = NT_STATUS_NOT_SUPPORTED; 83 uint32_t fcode; 84 unsigned short fid; 85 unsigned char is_fsctl; 86 unsigned char is_flags; 87 int i; 88 89 if (smb_mbc_decodef(&xa->req_setup_mb, "lwbb", 90 &fcode, &fid, &is_fsctl, &is_flags) != 0) { 91 smbsr_error(sr, NT_STATUS_INVALID_PARAMETER, 0, 0); 92 return (SDRC_ERROR); 93 } 94 95 /* 96 * Invoke handler if specified, otherwise the default 97 * behavior is to return NT_STATUS_NOT_SUPPORTED 98 */ 99 for (i = 0; i < sizeof (ioctl_ret_tbl) / sizeof (ioctl_ret_tbl[0]); 100 i++) { 101 if (ioctl_ret_tbl[i].fcode == fcode) { 102 status = ioctl_ret_tbl[i].ioctl_func(sr, xa); 103 break; 104 } 105 } 106 107 if (status != NT_STATUS_SUCCESS) { 108 smbsr_error(sr, status, 0, 0); 109 return (SDRC_ERROR); 110 } 111 112 (void) smb_mbc_encodef(&xa->rep_param_mb, "l", 0); 113 return (SDRC_SUCCESS); 114 } 115 116 /* ARGSUSED */ 117 static uint32_t 118 smb_nt_trans_ioctl_noop(smb_request_t *sr, smb_xa_t *xa) 119 { 120 return (NT_STATUS_SUCCESS); 121 } 122 123 /* ARGSUSED */ 124 static uint32_t 125 smb_nt_trans_ioctl_invalid_parm(smb_request_t *sr, smb_xa_t *xa) 126 { 127 return (NT_STATUS_INVALID_PARAMETER); 128 } 129