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dotnet: FileSystemHost: fixes

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This commit is contained in:
Bill Zissimopoulos 2017-05-05 16:15:29 -07:00
parent f36cacaf84
commit b5bfeee027
1 changed files with 7 additions and 5 deletions
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10
src/dotnet/FileSystemHost.cs
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@ -239,7 +239,7 @@ namespace Fsp
} }
/* FSP_FILE_SYSTEM_INTERFACE */ /* FSP_FILE_SYSTEM_INTERFACE */
private static Byte[] SecurityDescriptorNotNull = new Byte[0]; private static Byte[] ByteBufferNotNull = new Byte[0];
private static Int32 ExceptionHandler( private static Int32 ExceptionHandler(
FileSystemBase FileSystem, FileSystemBase FileSystem,
Exception ex) Exception ex)
@ -301,7 +301,7 @@ namespace Fsp
Byte[] SecurityDescriptorBytes = null; Byte[] SecurityDescriptorBytes = null;
Int32 Result; Int32 Result;
if (IntPtr.Zero != PSecurityDescriptorSize) if (IntPtr.Zero != PSecurityDescriptorSize)
SecurityDescriptorBytes = SecurityDescriptorNotNull; SecurityDescriptorBytes = ByteBufferNotNull;
Result = FileSystem.GetSecurityByName( Result = FileSystem.GetSecurityByName(
FileName, FileName,
out FileAttributes, out FileAttributes,
@ -680,13 +680,15 @@ namespace Fsp
Byte[] SecurityDescriptorBytes; Byte[] SecurityDescriptorBytes;
Int32 Result; Int32 Result;
Api.GetFullContext(ref FullContext, out FileNode, out FileDesc); Api.GetFullContext(ref FullContext, out FileNode, out FileDesc);
SecurityDescriptorBytes = SecurityDescriptorNotNull; SecurityDescriptorBytes = ByteBufferNotNull;
Result = FileSystem.GetSecurity( Result = FileSystem.GetSecurity(
FileNode, FileNode,
FileDesc, FileDesc,
ref SecurityDescriptorBytes); ref SecurityDescriptorBytes);
return Api.CopySecurityDescriptor(SecurityDescriptorBytes, if (0 <= Result)
Result = Api.CopySecurityDescriptor(SecurityDescriptorBytes,
SecurityDescriptor, PSecurityDescriptorSize); SecurityDescriptor, PSecurityDescriptorSize);
return Result;
} }
catch (Exception ex) catch (Exception ex)
{ {