zydronium/SMBLibrary
1
0
Fork 0
mirror of https://github.com/TalAloni/SMBLibrary.git synced 2025-07-03 08:13:18 +02:00
Code Issues Projects Releases Packages Wiki Activity

NTFileSystemHelper: Improved ToFileAccess and ToFileShare implementations

Browse source
This commit is contained in:
Tal Aloni 2017-02-09 14:08:21 +02:00
parent f1965ec7ca
commit f9ad9f9b5e
1 changed files with 44 additions and 49 deletions
Download patch file Download diff file Expand all files Collapse all files

93
SMBLibrary/Server/Helpers/NTFileSystemHelper.cs
View file

@ -217,55 +217,6 @@ namespace SMBLibrary.Server
return NTStatus.STATUS_SUCCESS; return NTStatus.STATUS_SUCCESS;
} }
public static FileAccess ToFileAccess(FileAccessMask desiredAccess)
{
if ((desiredAccess & FileAccessMask.GENERIC_ALL) > 0 ||
(desiredAccess & FileAccessMask.MAXIMUM_ALLOWED) > 0 ||
((desiredAccess & FileAccessMask.FILE_READ_DATA) > 0 && (desiredAccess & FileAccessMask.FILE_WRITE_DATA) > 0) ||
((desiredAccess & FileAccessMask.FILE_READ_DATA) > 0 && (desiredAccess & FileAccessMask.FILE_APPEND_DATA) > 0))
{
return FileAccess.ReadWrite;
}
else if ((desiredAccess & FileAccessMask.GENERIC_WRITE) > 0 ||
(desiredAccess & FileAccessMask.FILE_WRITE_DATA) > 0 ||
(desiredAccess & FileAccessMask.FILE_APPEND_DATA) > 0)
{
return FileAccess.Write;
}
else if ((desiredAccess & FileAccessMask.FILE_READ_DATA) > 0)
{
return FileAccess.Read;
}
else
{
return (FileAccess)0;
}
}
public static FileShare ToFileShare(ShareAccess shareAccess)
{
if ((shareAccess & ShareAccess.FILE_SHARE_READ) > 0 && (shareAccess & ShareAccess.FILE_SHARE_WRITE) > 0)
{
return FileShare.ReadWrite;
}
else if ((shareAccess & ShareAccess.FILE_SHARE_WRITE) > 0)
{
return FileShare.Write;
}
else if ((shareAccess & ShareAccess.FILE_SHARE_READ) > 0)
{
return FileShare.Read;
}
else if ((shareAccess & ShareAccess.FILE_SHARE_DELETE) > 0)
{
return FileShare.Delete;
}
else
{
return FileShare.None;
}
}
public static NTStatus OpenFile(out Stream stream, IFileSystem fileSystem, string path, FileAccess fileAccess, ShareAccess shareAccess, bool buffered, ConnectionState state) public static NTStatus OpenFile(out Stream stream, IFileSystem fileSystem, string path, FileAccess fileAccess, ShareAccess shareAccess, bool buffered, ConnectionState state)
{ {
stream = null; stream = null;
@ -444,6 +395,50 @@ namespace SMBLibrary.Server
} }
} }
public static FileAccess ToFileAccess(FileAccessMask desiredAccess)
{
FileAccess result = 0;
if ((desiredAccess & FileAccessMask.FILE_READ_DATA) > 0 ||
(desiredAccess & FileAccessMask.MAXIMUM_ALLOWED) > 0 ||
(desiredAccess & FileAccessMask.GENERIC_ALL) > 0 ||
(desiredAccess & FileAccessMask.GENERIC_READ) > 0)
{
result |= FileAccess.Read;
}
if ((desiredAccess & FileAccessMask.FILE_WRITE_DATA) > 0 ||
(desiredAccess & FileAccessMask.FILE_APPEND_DATA) > 0 ||
(desiredAccess & FileAccessMask.MAXIMUM_ALLOWED) > 0 ||
(desiredAccess & FileAccessMask.GENERIC_ALL) > 0 ||
(desiredAccess & FileAccessMask.GENERIC_WRITE) > 0)
{
result |= FileAccess.Write;
}
return result;
}
public static FileShare ToFileShare(ShareAccess shareAccess)
{
FileShare result = FileShare.None;
if ((shareAccess & ShareAccess.FILE_SHARE_READ) > 0)
{
result |= FileShare.Read;
}
if ((shareAccess & ShareAccess.FILE_SHARE_WRITE) > 0)
{
result |= FileShare.Write;
}
if ((shareAccess & ShareAccess.FILE_SHARE_DELETE) > 0)
{
result |= FileShare.Delete;
}
return result;
}
/// <summary> /// <summary>
/// Will return a virtual allocation size, assuming 4096 bytes per cluster /// Will return a virtual allocation size, assuming 4096 bytes per cluster
/// </summary> /// </summary>