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dotnet: ModifySecurityDescriptorEx

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Deprecate ModifySecurityDecriptor and introduce
ModifySecurityDescriptorEx. Works around the problem
of clobbering an existing security descriptor when the
native API FspSetSecurityDescriptor fails.
This commit is contained in:
Bill Zissimopoulos
2018-10-08 15:08:07 -07:00
parent 084f0b5b36
commit 0de00e872f
3 changed files with 66 additions and 6 deletions
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20
src/dotnet/Interop.cs
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@ -928,6 +928,26 @@ namespace Fsp.Interop
return SecurityDescriptorBytes;
}
}
internal unsafe static Int32 ModifySecurityDescriptorEx(
Byte[] SecurityDescriptorBytes,
UInt32 SecurityInformation,
Byte[] ModificationDescriptorBytes,
ref Byte[] ModifiedDescriptorBytes)
{
fixed (Byte *S = SecurityDescriptorBytes)
fixed (Byte *M = ModificationDescriptorBytes)
{
IntPtr SecurityDescriptor;
Int32 Result = FspSetSecurityDescriptor(
(IntPtr)S, SecurityInformation, (IntPtr)M, out SecurityDescriptor);
if (0 > Result)
return Result;
SecurityDescriptorBytes = MakeSecurityDescriptor(SecurityDescriptor);
FspDeleteSecurityDescriptor(SecurityDescriptor, _FspSetSecurityDescriptorPtr);
ModifiedDescriptorBytes = SecurityDescriptorBytes;
return 0/*STATUS_SUCCESS*/;
}
}
internal unsafe static Int32 CopyReparsePoint(
Byte[] ReparseData,