public static CommandReadResult ReadCommandInput(this UsbK USB, out NewCommandId Type)
{
CommandReadResult res = CommandReadResult.Success;
uint magic = USB.Read32();
while (magic == 0)
{
magic = USB.Read32();
}
uint cmdid = USB.Read32();
Type = (NewCommandId)cmdid;
return(res);
}
public static CommandReadResult ReadCommandInput(this UsbK USB, out CommandId Type)
{
CommandReadResult res = CommandReadResult.Success;
uint magic = 0;
do
{
magic = USB.Read32();
} while(magic != Command.GLUC);
uint cmdid = USB.Read32();
Type = (CommandId)cmdid;
if (magic != Command.GLUC)
{
res = CommandReadResult.InvalidMagic;
}
if (cmdid >= (uint)CommandId.Max)
{
res = CommandReadResult.InvalidCommandId;
}
return(res);
}
public static string ReadString(this UsbK USB)
{
uint strlen = USB.Read32();
return(Encoding.ASCII.GetString(USB.ReadBytes((int)strlen)));
}
public static CommandHandleResult HandleNextCommand(this UsbK USB)
{
CommandHandleResult res = CommandHandleResult.Success;
CommandReadResult rres = USB.ReadCommandInput(out NewCommandId cmdid);
if (rres == CommandReadResult.Success)
{
// Console.WriteLine("Received command: " + cmdid.ToString());
switch (cmdid)
{
case NewCommandId.ListSystemDrives:
{
var drives = DriveInfo.GetDrives();
List <DriveInfo> adrives = new List <DriveInfo>();
uint count = (uint)drives.Length;
if (drives.Length > 0)
{
foreach (var drive in drives)
{
if (drive.IsReady)
{
adrives.Add(drive);
}
}
}
USB.Write32((uint)adrives.Count);
if (adrives.Count > 0)
{
foreach (var drive in adrives)
{
string label = drive.VolumeLabel;
string prefix = drive.Name.Substring(0, 1);
USB.WriteString(label);
USB.WriteString(prefix);
}
}
break;
}
case NewCommandId.GetPathType:
{
string spath = USB.ReadString();
string path = spath.NormalizeAsPath();
uint ptype = 0;
if (File.Exists(path))
{
ptype = 1;
}
else if (Directory.Exists(path))
{
ptype = 2;
}
USB.Write32(ptype);
break;
}
case NewCommandId.ListDirectories:
{
string spath = USB.ReadString();
string path = spath.NormalizeAsPath();
var ents = Directory.GetDirectories(path);
USB.Write32((uint)ents.Length);
if (ents.Length > 0)
{
foreach (var ent in ents)
{
string name = Path.GetFileName(ent);
USB.WriteString(name);
}
}
break;
}
case NewCommandId.ListFiles:
{
string spath = USB.ReadString();
string path = spath.NormalizeAsPath();
var ents = Directory.GetFiles(path);
USB.Write32((uint)ents.Length);
if (ents.Length > 0)
{
foreach (var ent in ents)
{
string name = Path.GetFileName(ent);
USB.WriteString(name);
}
}
break;
}
case NewCommandId.GetFileSize:
{
string spath = USB.ReadString();
string path = spath.NormalizeAsPath();
ulong size = 0;
try
{
size = (ulong)new FileInfo(path).Length;
}
catch
{
size = 0;
}
USB.Write64(size);
break;
}
case NewCommandId.FileRead:
{
ulong offset = USB.Read64();
ulong size = USB.Read64();
string spath = USB.ReadString();
string path = spath.NormalizeAsPath();
ulong rbytes = 0;
Console.WriteLine("FileRead - Path: " + path + ", Offset: " + offset + ", Size: " + size);
byte[] data = new byte[size];
try
{
var fs = new FileStream(path, FileMode.Open, FileAccess.Read)
{
Position = (long)offset
};
rbytes = (uint)fs.Read(data, 0, (int)size);
fs.Close();
}
catch (Exception ex)
{
Console.WriteLine("FileRead (" + path + ") - Error reading file: " + ex.Message);
}
USB.Write64(rbytes);
Console.WriteLine("FileRead - Read bytes: " + rbytes);
if (rbytes > 0)
{
USB.WriteBytes(data);
}
break;
}
case NewCommandId.FileWrite:
{
string spath = USB.ReadString();
USB.Read32();
uint offset = USB.Read32();
uint size = USB.Read32();
byte[] data = USB.ReadBytes((int)size);
string path = spath.NormalizeAsPath();
Console.WriteLine("FileWrite - Path: (" + path + "), Offset: " + offset + ", Size: " + size);
try
{
var fs = new FileStream(path, FileMode.OpenOrCreate, FileAccess.Read);
var bw = new BinaryWriter(fs);
bw.BaseStream.Position = offset;
bw.Write(data, 0, (int)size);
bw.Close();
}
catch
{
Console.WriteLine("FileWrite (" + path + ") - Error writing file");
}
break;
}
case NewCommandId.CreateFile:
{
string spath = USB.ReadString();
string path = spath.NormalizeAsPath();
File.Create(path);
break;
}
case NewCommandId.CreateDirectory:
{
string spath = USB.ReadString();
string path = spath.NormalizeAsPath();
Directory.CreateDirectory(path);
break;
}
case NewCommandId.DeleteFile:
{
string spath = USB.ReadString();
string path = spath.NormalizeAsPath();
File.Delete(path);
break;
}
case NewCommandId.DeleteDirectory:
{
string spath = USB.ReadString();
string path = spath.NormalizeAsPath();
Directory.Delete(path, true);
break;
}
case NewCommandId.RenameFile:
{
string spath = USB.ReadString();
string newname = USB.ReadString();
string path = spath.NormalizeAsPath();
string npath = Path.Combine(Path.GetDirectoryName(path), newname);
File.Move(path, npath);
break;
}
case NewCommandId.RenameDirectory:
{
string spath = USB.ReadString();
string newname = USB.ReadString();
string path = spath.NormalizeAsPath();
string npath = Path.Combine(Path.GetDirectoryName(path), newname);
Directory.Move(path, npath);
break;
}
case NewCommandId.GetDriveTotalSpace:
{
string sdrive = USB.ReadString();
var drives = DriveInfo.GetDrives();
ulong space = 0;
if (drives.Length > 0)
{
foreach (var drive in drives)
{
if (drive.Name.StartsWith(sdrive))
{
space = (ulong)drive.TotalSize;
break;
}
}
}
USB.Write64(space);
break;
}
case NewCommandId.GetDriveFreeSpace:
{
string sdrive = USB.ReadString();
var drives = DriveInfo.GetDrives();
ulong space = 0;
if (drives.Length > 0)
{
foreach (var drive in drives)
{
if (drive.IsReady && drive.Name.StartsWith(sdrive))
{
space = (ulong)drive.TotalFreeSpace;
break;
}
}
}
USB.Write64(space);
break;
}
}
}
else
{
res = CommandHandleResult.BadInArguments;
}
return(res);
}