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Implement GetSecurityByName in winfsp.

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Natalia Portillo
2020-09-03 20:41:54 +01:00
parent 57336b7cb4
commit 2be39492e4
1 changed files with 77 additions and 0 deletions
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77
RomRepoMgr.Core/Filesystem/Winfsp.cs
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@@ -4,6 +4,7 @@ using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Security.AccessControl;
using Fsp;
using Fsp.Interop;
using RomRepoMgr.Database.Models;
@@ -452,6 +453,82 @@ namespace RomRepoMgr.Core.Filesystem
return false;
}
public override int GetSecurityByName(string fileName, out uint fileAttributes, ref byte[] securityDescriptor)
{
fileAttributes = 0;
string[] pieces = _vfs.SplitPath(fileName);
// Root directory
if(pieces.Length == 0)
{
fileAttributes = (uint)(FileAttributes.Directory | FileAttributes.Compressed);
if(securityDescriptor == null)
return STATUS_SUCCESS;
string rootSddl = "O:BAG:BAD:P(A;;FA;;;SY)(A;;FA;;;BA)(A;;FA;;;WD)";
var rootSecurityDescriptor = new RawSecurityDescriptor(rootSddl);
byte[] fileSecurity = new byte[rootSecurityDescriptor.BinaryLength];
rootSecurityDescriptor.GetBinaryForm(fileSecurity, 0);
securityDescriptor = fileSecurity;
return STATUS_SUCCESS;
}
long romSetId = _vfs.GetRomSetId(pieces[0]);
if(romSetId <= 0)
return STATUS_OBJECT_NAME_NOT_FOUND;
RomSet romSet = _vfs.GetRomSet(romSetId);
if(romSet == null)
return STATUS_OBJECT_NAME_NOT_FOUND;
// ROM Set
if(pieces.Length == 1)
{
fileAttributes = (uint)(FileAttributes.Directory | FileAttributes.Compressed);
return STATUS_SUCCESS;
}
CachedMachine machine = _vfs.GetMachine(romSetId, pieces[1]);
if(machine == null)
return STATUS_OBJECT_NAME_NOT_FOUND;
// Machine
if(pieces.Length == 2)
{
fileAttributes = (uint)(FileAttributes.Directory | FileAttributes.Compressed);
return STATUS_SUCCESS;
}
CachedFile file = _vfs.GetFile(machine.Id, pieces[2]);
if(file == null)
return STATUS_OBJECT_NAME_NOT_FOUND;
if(pieces.Length > 3)
return STATUS_INVALID_DEVICE_REQUEST;
if(file.Sha384 == null)
return STATUS_OBJECT_NAME_NOT_FOUND;
long handle = _vfs.Open(file.Sha384, (long)file.Size);
if(handle <= 0)
return STATUS_OBJECT_NAME_NOT_FOUND;
fileAttributes = (uint)(FileAttributes.Normal | FileAttributes.Compressed | FileAttributes.ReadOnly);
return STATUS_SUCCESS;
}
sealed class FileEntry
{
public string FileName { get; set; }