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3 * Copyright (c) 2009, 2010, 2011 Your File System, Inc.
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36 // File: AFSSecurity.cpp
39 #include "AFSCommon.h"
42 AFSSetSecurity( IN PDEVICE_OBJECT LibDeviceObject,
46 NTSTATUS ntStatus = STATUS_SUCCESS;
47 IO_STACK_LOCATION *pIrpSp;
49 pIrpSp = IoGetCurrentIrpStackLocation( Irp);
54 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
55 AFS_TRACE_LEVEL_ERROR,
56 "AFSSetSecurity Entry for FO %08lX\n",
59 AFSCompleteRequest( Irp,
62 __except( AFSExceptionFilter( __FUNCTION__, GetExceptionCode(), GetExceptionInformation()) )
67 "EXCEPTION - AFSSetSecurity\n");
69 AFSDumpTraceFilesFnc();
76 AFSQuerySecurity( IN PDEVICE_OBJECT LibDeviceObject,
80 NTSTATUS ntStatus = STATUS_SUCCESS;
81 PIO_STACK_LOCATION pIrpSp;
82 PMDL pUserBufferMdl = NULL;
83 void *pLockedUserBuffer = NULL;
89 pIrpSp = IoGetCurrentIrpStackLocation( Irp);
91 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
92 AFS_TRACE_LEVEL_VERBOSE,
93 "AFSQuerySecurity Entry for FO %08lX\n",
96 if( AFSDefaultSD == NULL)
99 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
100 AFS_TRACE_LEVEL_ERROR,
101 "AFSQuerySecurity No default SD allocated\n");
103 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
106 ulSDLength = RtlLengthSecurityDescriptor( AFSDefaultSD);
108 if( pIrpSp->Parameters.QuerySecurity.Length < ulSDLength ||
109 Irp->UserBuffer == NULL)
112 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
113 AFS_TRACE_LEVEL_VERBOSE,
114 "AFSQuerySecurity Buffer too small\n");
116 Irp->IoStatus.Information = (ULONG_PTR)ulSDLength;
118 try_return( ntStatus = STATUS_BUFFER_OVERFLOW);
121 pLockedUserBuffer = AFSLockUserBuffer( Irp->UserBuffer,
122 pIrpSp->Parameters.QuerySecurity.Length,
125 if( pLockedUserBuffer == NULL)
128 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
129 AFS_TRACE_LEVEL_ERROR,
130 "AFSQuerySecurity Failed to lock user buffer\n");
132 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
135 RtlCopyMemory( pLockedUserBuffer,
139 Irp->IoStatus.Information = (ULONG_PTR)ulSDLength;
143 if( pUserBufferMdl != NULL)
145 MmUnlockPages( pUserBufferMdl);
146 IoFreeMdl( pUserBufferMdl);
149 __except( AFSExceptionFilter( __FUNCTION__, GetExceptionCode(), GetExceptionInformation()) )
154 "EXCEPTION - AFSQuerySecurity\n");
156 AFSDumpTraceFilesFnc();
159 AFSCompleteRequest( Irp,