private static int ProcessAction()
{
int num = -1;
if (!string.IsNullOrEmpty(CmdLine.file))
{
if (!string.IsNullOrEmpty(CmdLine.region) && !string.IsNullOrEmpty(CmdLine.model) && !string.IsNullOrEmpty(CmdLine.version))
{
num = CmdLine.DoDecrypt();
}
else if (!string.IsNullOrEmpty(CmdLine.logicValue) && !string.IsNullOrEmpty(CmdLine.version))
{
num = CmdLine.DoDecrypt();
}
}
else if (!string.IsNullOrEmpty(CmdLine.model) && !string.IsNullOrEmpty(CmdLine.region))
{
num = !CmdLine.checkonly ? CmdLine.DoDownload() : CmdLine.DoCheck();
}
if (num == -1)
{
CmdLine.DisplayUsage();
num = 1;
}
return(num);
}
public static int Decrypt(string encryptedFile, string outputFile, bool GUI = true)
{
using (FileStream fileStream1 = new FileStream(encryptedFile, FileMode.Open))
{
using (FileStream fileStream2 = new FileStream(outputFile, FileMode.Create))
{
RijndaelManaged rijndaelManaged = new RijndaelManaged();
rijndaelManaged.Mode = CipherMode.ECB;
rijndaelManaged.BlockSize = 128;
rijndaelManaged.Padding = PaddingMode.PKCS7;
using (ICryptoTransform decryptor = rijndaelManaged.CreateDecryptor(Crypto.KEY, Crypto.IV))
{
try
{
Utility.PreventDeepSleep(Utility.PDSMode.Start);
using (CryptoStream cryptoStream = new CryptoStream((Stream)fileStream1, decryptor, CryptoStreamMode.Read))
{
byte[] buffer = new byte[4096];
long num = 0;
int count;
do
{
Utility.PreventDeepSleep(Utility.PDSMode.Continue);
num += (long)(count = cryptoStream.Read(buffer, 0, buffer.Length));
fileStream2.Write(buffer, 0, count);
if (GUI)
{
Crypto.form.SetProgressBar(Utility.GetProgress(num, fileStream1.Length));
}
else
{
CmdLine.SetProgress(Utility.GetProgress(num, fileStream1.Length));
}
}while (count > 0);
}
}
catch (CryptographicException ex)
{
Logger.WriteLog("Error decrypting file: Wrong key.", false);
return(3);
}
catch (TargetInvocationException ex)
{
Logger.WriteLog("Error decrypting file: Please turn off FIPS compliance checking.", false);
return(800);
}
catch (IOException ex)
{
Logger.WriteLog("Error decrypting file: IOException: " + ex.Message, false);
return(3);
}
finally
{
Utility.PreventDeepSleep(Utility.PDSMode.Stop);
}
}
}
}
return(0);
}
public static int Main(string[] args)
{
Thread.Sleep(200);
if (CmdLine.InputValidation(args))
{
return(CmdLine.ProcessAction());
}
CmdLine.DisplayUsage();
return(1);
}
private static int Main(string[] args)
{
if (args.Length == 0)
{
Imports.FreeConsole();
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run((Form) new Form1());
}
else
{
Utility.run_by_cmd = true;
Environment.Exit(CmdLine.Main(args));
}
return(0);
}
private static int DoDecrypt()
{
Logger.WriteLog("========== SamFirm Firmware Decrypter ==========\n", false);
Logger.WriteLog("Decrypting file " + CmdLine.file + "...", false);
CmdLine.CreateProgressbar();
if (CmdLine.file.EndsWith(".enc2"))
{
Crypto.SetDecryptKey(CmdLine.region, CmdLine.model, CmdLine.version);
}
else if (CmdLine.file.EndsWith(".enc4"))
{
Crypto.SetDecryptKey(CmdLine.version, CmdLine.logicValue);
}
if (Crypto.Decrypt(CmdLine.file, Path.GetFileNameWithoutExtension(CmdLine.file), false) != 0)
{
Logger.WriteLog("\nError decrypting file", false);
Logger.WriteLog("Please make sure the filename is not modified and verify the version / logicValue argument", false);
File.Delete(Path.GetFileNameWithoutExtension(CmdLine.file));
return(3);
}
Logger.WriteLog("\nDecrypting successful", false);
return(0);
}
private static bool InputValidation(string[] args)
{
if (!CmdLine.ParseArgs(args))
{
Logger.WriteLog("Error parsing arguments\n", false);
return(false);
}
if (!string.IsNullOrEmpty(CmdLine.file) && !File.Exists(CmdLine.file))
{
Logger.WriteLog("File " + CmdLine.file + " does not exist\n", false);
return(false);
}
if (!string.IsNullOrEmpty(CmdLine.file) && !CmdLine.ParseFileName())
{
Logger.WriteLog("Could not parse filename. Make sure the filename was not edited\n", false);
return(false);
}
if (string.IsNullOrEmpty(CmdLine.folder) || Directory.Exists(CmdLine.folder))
{
return(true);
}
Logger.WriteLog("Folder " + CmdLine.folder + " does not exist\n", false);
return(false);
}
private static int DoDownload()
{
Logger.WriteLog("========== SamFirm Firmware Downloader ==========\n", false);
Command.Firmware fw;
if (string.IsNullOrEmpty(CmdLine.version))
{
fw = Command.UpdateCheckAuto(CmdLine.model, CmdLine.region, CmdLine.binary);
if (fw.FetchAttempts == 0)
{
return(5);
}
}
else
{
fw = Command.UpdateCheck(CmdLine.model, CmdLine.region, CmdLine.version, CmdLine.binary, false);
}
if (fw.Version == null)
{
return(2);
}
string str = Path.Combine(CmdLine.folder, fw.Filename);
Logger.WriteLog("Downloading...\n", false);
CmdLine.CreateProgressbar();
int num1;
do
{
Utility.ReconnectCmdLine();
Utility.ReconnectDownload = false;
num1 = Command.Download(fw.Path, fw.Filename, fw.Version, fw.Region, fw.Model_Type, str, fw.Size, false);
}while (Utility.ReconnectDownload);
if (num1 != 200 && num1 != 206)
{
Logger.WriteLog("Error: " + (object)num1, false);
return(4);
}
if (CmdLine.autodecrypt)
{
if (str.EndsWith(".enc2"))
{
Crypto.SetDecryptKey(fw.Region, fw.Model, fw.Version);
}
else if (str.EndsWith(".enc4"))
{
if (fw.BinaryNature == 1)
{
Crypto.SetDecryptKey(fw.Version, fw.LogicValueFactory);
}
else
{
Crypto.SetDecryptKey(fw.Version, fw.LogicValueHome);
}
}
Logger.WriteLog("\nDecrypting...\n", false);
CmdLine.CreateProgressbar();
CmdLine.fwdest = Path.Combine(Path.GetDirectoryName(str), Path.GetFileNameWithoutExtension(fw.Filename));
int num2 = Crypto.Decrypt(str, CmdLine.fwdest, false);
File.Delete(str);
if (num2 != 0)
{
File.Delete(CmdLine.fwdest);
return(3);
}
}
if (!string.IsNullOrEmpty(CmdLine.metafile))
{
CmdLine.SaveMeta(fw);
}
Logger.WriteLog("\nFinished", false);
return(0);
}
public static int DownloadBinary(string path, string file, string saveTo, string size, bool GUI = true)
{
int num5;
long num = 0L;
HttpWebRequest wr = KiesRequest.Create("http://cloud-neofussvr.sslcs.cdngc.net/NF_DownloadBinaryForMass.do?file=" + path + file);
wr.Method = "GET";
wr.Headers["Authorization"] = Imports.GetAuthorization(Nonce).Replace("Authorization: ", "").Replace("nonce=\"", "nonce=\"" + Nonce);
wr.Timeout = 0x61a8;
wr.ReadWriteTimeout = 0x61a8;
if (System.IO.File.Exists(saveTo))
{
long length = new FileInfo(saveTo).Length;
if (long.Parse(size) == length)
{
Logger.WriteLog("File already downloaded.", false);
return(200);
}
Logger.WriteLog("File exists. Resuming download...", false);
wr.AddRange((int)length);
num = length;
}
using (HttpWebResponse response = (HttpWebResponse)wr.GetResponseFUS())
{
if (response == null)
{
Logger.WriteLog("Error downloading: response is null", false);
return(0x385);
}
if ((response.StatusCode != HttpStatusCode.OK) && (response.StatusCode != HttpStatusCode.PartialContent))
{
Logger.WriteLog("Error downloading: " + ((int)response.StatusCode), false);
}
else
{
long total = long.Parse(response.GetResponseHeader("content-length")) + num;
if (!System.IO.File.Exists(saveTo) || (new FileInfo(saveTo).Length != total))
{
byte[] buffer = new byte[0x2000];
Stopwatch sw = new Stopwatch();
Utility.ResetSpeed(num);
try
{
Utility.PreventDeepSleep(Utility.PDSMode.Start);
using (BinaryWriter writer = new BinaryWriter(new FileStream(saveTo, FileMode.Append)))
{
int count = 0;
do
{
Utility.PreventDeepSleep(Utility.PDSMode.Continue);
if (GUI && form.PauseDownload)
{
goto Label_02BB;
}
num += count = response.GetResponseStream().Read(buffer, 0, buffer.Length);
if (count > 0)
{
writer.Write(buffer, 0, count);
if (GUI)
{
int dlspeed = Utility.DownloadSpeed(num, sw);
if (dlspeed != -1)
{
form.lbl_speed.Invoke(new Action(delegate {
form.lbl_speed.Text = dlspeed + "kB/s";
}));
}
}
}
if (GUI)
{
form.SetProgressBar(Utility.GetProgress(num, total));
}
else
{
CmdLine.SetProgress(Utility.GetProgress(num, total));
}
}while (count > 0);
}
}
catch (IOException exception)
{
Logger.WriteLog("Error: Can't access output file " + saveTo, false);
if (GUI)
{
form.PauseDownload = true;
}
Logger.WriteLog(exception.ToString(), false);
return(-1);
}
catch (WebException)
{
Logger.WriteLog("Error: Connection interrupted", false);
SetReconnect();
}
finally
{
Utility.PreventDeepSleep(Utility.PDSMode.Stop);
if (GUI)
{
form.lbl_speed.Invoke(new Action(delegate {
form.lbl_speed.Text = "0kB/s";
}));
}
}
}
}
Label_02BB:
num5 = (int)response.StatusCode;
}
return(num5);
}
public static int Decrypt(string encryptedFile, string outputFile, bool GUI = true)
{
using (FileStream stream = new FileStream(encryptedFile, FileMode.Open))
{
using (FileStream stream2 = new FileStream(outputFile, FileMode.Create))
{
RijndaelManaged managed = new RijndaelManaged {
Mode = CipherMode.ECB,
BlockSize = 0x80,
Padding = PaddingMode.PKCS7
};
using (ICryptoTransform transform = managed.CreateDecryptor(KEY, IV))
{
try
{
Utility.PreventDeepSleep(Utility.PDSMode.Start);
using (CryptoStream stream3 = new CryptoStream(stream, transform, CryptoStreamMode.Read))
{
byte[] buffer = new byte[0x1000];
long num = 0L;
int count = 0;
do
{
Utility.PreventDeepSleep(Utility.PDSMode.Continue);
num += count = stream3.Read(buffer, 0, buffer.Length);
stream2.Write(buffer, 0, count);
if (GUI)
{
form.SetProgressBar(Utility.GetProgress(num, stream.Length));
}
else
{
CmdLine.SetProgress(Utility.GetProgress(num, stream.Length));
}
}while (count > 0);
}
}
catch (CryptographicException)
{
Logger.WriteLog("Error decrypting file: Wrong key.", false);
return(3);
}
catch (TargetInvocationException)
{
Logger.WriteLog("Error decrypting file: Please turn off FIPS compliance checking.", false);
return(800);
}
catch (IOException exception)
{
Logger.WriteLog("Error decrypting file: IOException: " + exception.Message, false);
return(3);
}
finally
{
Utility.PreventDeepSleep(Utility.PDSMode.Stop);
}
}
}
}
return(0);
}
