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dotnet: extended attributes support

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Bill Zissimopoulos
2019-03-14 15:05:17 -07:00
parent 795caec679
commit 3553aec992
3 changed files with 319 additions and 5 deletions
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114
src/dotnet/FileSystemBase.cs
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@ -1078,6 +1078,120 @@ namespace Fsp
else
return STATUS_SUCCESS;
}
public virtual Int32 CreateEx(
String FileName,
UInt32 CreateOptions,
UInt32 GrantedAccess,
UInt32 FileAttributes,
Byte[] SecurityDescriptor,
UInt64 AllocationSize,
IntPtr Ea,
UInt32 EaLength,
out Object FileNode,
out Object FileDesc,
out FileInfo FileInfo,
out String NormalizedName)
{
Int32 Result;
Result = Create(
FileName,
CreateOptions,
GrantedAccess,
FileAttributes,
SecurityDescriptor,
AllocationSize,
out FileNode,
out FileDesc,
out FileInfo,
out NormalizedName);
if (0 > Result)
return Result;
if (IntPtr.Zero != Ea)
Result = SetEa(FileNode, FileDesc, Ea, EaLength); /* ignore Result */
return STATUS_SUCCESS;
}
public virtual Int32 OverwriteEx(
Object FileNode,
Object FileDesc,
UInt32 FileAttributes,
Boolean ReplaceFileAttributes,
UInt64 AllocationSize,
IntPtr Ea,
UInt32 EaLength,
out FileInfo FileInfo)
{
Int32 Result;
Result = Overwrite(
FileNode,
FileDesc,
FileAttributes,
ReplaceFileAttributes,
AllocationSize,
out FileInfo);
if (0 > Result)
return Result;
if (IntPtr.Zero != Ea)
Result = SetEa(FileNode, FileDesc, Ea, EaLength); /* ignore Result */
return STATUS_SUCCESS;
}
public virtual Int32 GetEa(
Object FileNode,
Object FileDesc,
IntPtr Ea,
UInt32 EaLength,
out UInt32 BytesTransferred)
{
Object Context = null;
String EaName;
Byte[] EaValue;
Boolean NeedEa;
FullEaInformation EaInfo = new FullEaInformation();
BytesTransferred = default(UInt32);
while (GetEaEntry(FileNode, FileDesc, ref Context, out EaName, out EaValue, out NeedEa))
{
EaInfo.Set(EaName, EaValue, NeedEa);
if (!Api.FspFileSystemAddEa(ref EaInfo, Ea, EaLength, out BytesTransferred))
return STATUS_SUCCESS;
}
Api.FspFileSystemEndEa(Ea, EaLength, out BytesTransferred);
return STATUS_SUCCESS;
}
public virtual Boolean GetEaEntry(
Object FileNode,
Object FileDesc,
ref Object Context,
out String EaName,
out Byte[] EaValue,
out Boolean NeedEa)
{
EaName = default(String);
EaValue = default(Byte[]);
NeedEa = default(Boolean);
return false;
}
public virtual Int32 SetEa(
Object FileNode,
Object FileDesc,
IntPtr Ea,
UInt32 EaLength)
{
return Api.FspFileSystemEnumerateEa(
FileNode,
FileDesc,
this.SetEaEntry,
Ea,
EaLength);
}
public virtual Int32 SetEaEntry(
Object FileNode,
Object FileDesc,
ref Object Context,
String EaName,
Byte[] EaValue,
Boolean NeedEa)
{
return STATUS_INVALID_DEVICE_REQUEST;
}
/* helpers */
/// <summary>