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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( GetExceptionCode(), GetExceptionInformation()) )
67 "EXCEPTION - AFSSetSecurity\n");
74 AFSQuerySecurity( IN PDEVICE_OBJECT LibDeviceObject,
78 NTSTATUS ntStatus = STATUS_SUCCESS;
79 PIO_STACK_LOCATION pIrpSp;
80 PMDL pUserBufferMdl = NULL;
81 void *pLockedUserBuffer = NULL;
87 pIrpSp = IoGetCurrentIrpStackLocation( Irp);
89 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
90 AFS_TRACE_LEVEL_VERBOSE,
91 "AFSQuerySecurity Entry for FO %08lX\n",
94 if( AFSDefaultSD == NULL)
97 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
98 AFS_TRACE_LEVEL_ERROR,
99 "AFSQuerySecurity No default SD allocated\n");
101 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
104 ulSDLength = RtlLengthSecurityDescriptor( AFSDefaultSD);
106 if( pIrpSp->Parameters.QuerySecurity.Length < ulSDLength ||
107 Irp->UserBuffer == NULL)
110 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
111 AFS_TRACE_LEVEL_VERBOSE,
112 "AFSQuerySecurity Buffer too small\n");
114 Irp->IoStatus.Information = (ULONG_PTR)ulSDLength;
116 try_return( ntStatus = STATUS_BUFFER_OVERFLOW);
119 pLockedUserBuffer = AFSLockUserBuffer( Irp->UserBuffer,
120 pIrpSp->Parameters.QuerySecurity.Length,
123 if( pLockedUserBuffer == NULL)
126 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
127 AFS_TRACE_LEVEL_ERROR,
128 "AFSQuerySecurity Failed to lock user buffer\n");
130 try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
133 RtlCopyMemory( pLockedUserBuffer,
137 Irp->IoStatus.Information = (ULONG_PTR)ulSDLength;
141 if( pUserBufferMdl != NULL)
143 MmUnlockPages( pUserBufferMdl);
144 IoFreeMdl( pUserBufferMdl);
147 __except( AFSExceptionFilter( GetExceptionCode(), GetExceptionInformation()) )
152 "EXCEPTION - AFSQuerySecurity\n");
155 AFSCompleteRequest( Irp,