public int auth_client(byte[] givenusername)
{
int kdnr = 0;
for(kdnr=0;kdnr<kundendb.Length;kdnr++)
{
MD5 uname = new MD5CryptoServiceProvider();
ASCIIEncoding uname_md5_encoding=new ASCIIEncoding();
byte[] uname_md5 = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
uname_md5 = uname.ComputeHash(uname_md5_encoding.GetBytes(kundendb[kdnr].usr));
uname.Clear();
//ASCIIEncoding crc32_encoding = new ASCIIEncoding();
CRC32 crc = new CRC32(0xedb88320); // equivalent to new CRC32(CRC32.DefaultPolynomial);
byte[] uname_crc32 = { 0, 0, 0, 0 };
uname_crc32 = crc.ComputeHash(uname_md5);
crc.Clear();
if((givenusername[0]==uname_crc32[0]) && (givenusername[1]==uname_crc32[1]) &&(givenusername[2]==uname_crc32[2]) &&(givenusername[3]==uname_crc32[3]))
{
return kdnr;
}
}
return -1; //lets return the "kundennummer" of the right viewer
}
public static byte[] GetChecksum(Stream stream)
{
CRC32 crc = new CRC32();
return BitConverter.GetBytes(crc.GetCrc32(stream));
//MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider();
//return md5.ComputeHash(stream);
}
public void CRCHash()
{
//test the CRC32 algorithm
CRC32 a1 = new CRC32();
CRC32 a2 = new CRC32();
IncrementalTest(a1, a2);
}
public void RangeTest()
{
byte[] sample = new byte[10000];
const int delta = 19;
new System.Random().NextBytes(sample);
byte[] sample2 = new byte[10];
for(int i=0; i<10; i++)
{
sample2[i] = sample[i+delta];
}
CRC32 expected = new CRC32();
expected.ComputeHash(sample2, 0, 10);
CRC32 actual = new CRC32();
actual.ComputeHash(sample, delta, 10);
Assert.AreEqual(BitConverter.ToString(expected.Hash), BitConverter.ToString(actual.Hash));
}
public void MethodsTest()
{
byte[] sample = new byte[10000];
new System.Random().NextBytes(sample);
CRC32 a1 = new CRC32();
CRC32 a2 = new CRC32();
CRC32 a3 = new CRC32();
CRC32 a4 = new CRC32();
//method1
byte[] a1Hash = a1.ComputeHash(sample);
//method2
a2.TransformFinalBlock(sample, 0, 10000);
byte[] a2Hash = a2.Hash;
//method3
for(int i=0; i<10000; i+=1000)
{
a3.TransformBlock(sample, i, 1000, sample, i);
}
a3.TransformFinalBlock(sample, 0, 0);
byte[] a3Hash = a3.Hash;
//method4
for(int i=0; i<10000; i+=1000)
{
if (i == 9000)
a4.TransformFinalBlock(sample, i, 1000);
else
a4.TransformBlock(sample, i, 1000, sample, i);
}
byte[] a4Hash = a4.Hash;
Assert.AreEqual(BitConverter.ToString(a1Hash), BitConverter.ToString(a2Hash), "Method a2 failed");
Assert.AreEqual(BitConverter.ToString(a1Hash), BitConverter.ToString(a3Hash), "Method a3 failed");
Assert.AreEqual(BitConverter.ToString(a1Hash), BitConverter.ToString(a4Hash), "Method a4 failed");
}
public void TestCRC32Table()
{
//from #ziplib:
uint[] CrcTable = new uint[] {
0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419,
0x706AF48F, 0xE963A535, 0x9E6495A3, 0x0EDB8832, 0x79DCB8A4,
0xE0D5E91E, 0x97D2D988, 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07,
0x90BF1D91, 0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE,
0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7, 0x136C9856,
0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, 0x14015C4F, 0x63066CD9,
0xFA0F3D63, 0x8D080DF5, 0x3B6E20C8, 0x4C69105E, 0xD56041E4,
0xA2677172, 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B,
0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940, 0x32D86CE3,
0x45DF5C75, 0xDCD60DCF, 0xABD13D59, 0x26D930AC, 0x51DE003A,
0xC8D75180, 0xBFD06116, 0x21B4F4B5, 0x56B3C423, 0xCFBA9599,
0xB8BDA50F, 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924,
0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D, 0x76DC4190,
0x01DB7106, 0x98D220BC, 0xEFD5102A, 0x71B18589, 0x06B6B51F,
0x9FBFE4A5, 0xE8B8D433, 0x7807C9A2, 0x0F00F934, 0x9609A88E,
0xE10E9818, 0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01,
0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E, 0x6C0695ED,
0x1B01A57B, 0x8208F4C1, 0xF50FC457, 0x65B0D9C6, 0x12B7E950,
0x8BBEB8EA, 0xFCB9887C, 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3,
0xFBD44C65, 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2,
0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB, 0x4369E96A,
0x346ED9FC, 0xAD678846, 0xDA60B8D0, 0x44042D73, 0x33031DE5,
0xAA0A4C5F, 0xDD0D7CC9, 0x5005713C, 0x270241AA, 0xBE0B1010,
0xC90C2086, 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, 0x59B33D17,
0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD, 0xEDB88320, 0x9ABFB3B6,
0x03B6E20C, 0x74B1D29A, 0xEAD54739, 0x9DD277AF, 0x04DB2615,
0x73DC1683, 0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8,
0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1, 0xF00F9344,
0x8708A3D2, 0x1E01F268, 0x6906C2FE, 0xF762575D, 0x806567CB,
0x196C3671, 0x6E6B06E7, 0xFED41B76, 0x89D32BE0, 0x10DA7A5A,
0x67DD4ACC, 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5,
0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252, 0xD1BB67F1,
0xA6BC5767, 0x3FB506DD, 0x48B2364B, 0xD80D2BDA, 0xAF0A1B4C,
0x36034AF6, 0x41047A60, 0xDF60EFC3, 0xA867DF55, 0x316E8EEF,
0x4669BE79, 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236,
0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F, 0xC5BA3BBE,
0xB2BD0B28, 0x2BB45A92, 0x5CB36A04, 0xC2D7FFA7, 0xB5D0CF31,
0x2CD99E8B, 0x5BDEAE1D, 0x9B64C2B0, 0xEC63F226, 0x756AA39C,
0x026D930A, 0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713,
0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38, 0x92D28E9B,
0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21, 0x86D3D2D4, 0xF1D4E242,
0x68DDB3F8, 0x1FDA836E, 0x81BE16CD, 0xF6B9265B, 0x6FB077E1,
0x18B74777, 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C,
0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45, 0xA00AE278,
0xD70DD2EE, 0x4E048354, 0x3903B3C2, 0xA7672661, 0xD06016F7,
0x4969474D, 0x3E6E77DB, 0xAED16A4A, 0xD9D65ADC, 0x40DF0B66,
0x37D83BF0, 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, 0xBAD03605,
0xCDD70693, 0x54DE5729, 0x23D967BF, 0xB3667A2E, 0xC4614AB8,
0x5D681B02, 0x2A6F2B94, 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B,
0x2D02EF8D
};
CRC32 crc = new CRC32();
uint[] ourTable = crc.CurrentTable;
for (int i=0; i<CrcTable.Length; i++)
{
Assert.AreEqual(CrcTable[i], ourTable[i], "Tables did not match at element " + i.ToString());
}
}
public int validate_request(byte[] message)
{
int i=0;
switch(message[0])
{
case 0:
{
byte length = message[1];
byte[] datacrc = new byte[4];
byte[] data = new byte[length];
Array.Copy(message,4,datacrc,0,4);
Array.Copy(message,20,data,0,length);
CRC32 crc = new CRC32(0xedb88320);
byte[] data_crc32 = crc.ComputeHash(data);
for(i=0;i<4;i++)
{
if(datacrc[i]!=data_crc32[i])
{
return -1; //crc not correct - data broken !
}
}
return 1; // data is ok, we can proceed ...
}
case 2:
{
return 0; //not implemented yet
}
}
return -1;
}
public byte[] generate_cwanswer(byte[] checksum, byte[] message, byte[] cw, string key)
{
byte[] cwanswer = new byte[48];
byte[] cryptedanswer = new byte[52];
MemoryStream ms = new MemoryStream();
CRC32 crc = new CRC32(0xedb88320); // equivalent to new CRC32(CRC32.DefaultPolynomial);
byte[] cw_crc32 = crc.ComputeHash(cw);
//Array.Copy(checksum,0,cwanswer,0,4);
Array.Copy(message,0,cwanswer,0,20);
Array.Copy(cw_crc32,0,cwanswer,4,4);
Array.Copy(cw,0,cwanswer,20,16);
cwanswer[0] = 0x01;
cwanswer[1] = 0x10;
cwanswer[2] = 0x32;
cwanswer[3] = 0x84;
for(int i=0;i<12;i++)
cwanswer[i+36] = 0xFF;
MD5 passwd = new MD5CryptoServiceProvider();
ASCIIEncoding passwd_md5_encoding=new ASCIIEncoding();
byte[] passwd_md5 = passwd.ComputeHash(passwd_md5_encoding.GetBytes(key));
RijndaelManaged aes = new RijndaelManaged();
aes.Mode = CipherMode.ECB;
aes.BlockSize = 128;
aes.KeySize = 128; //128-Bit AES En/Decryption
aes.Key = passwd_md5;
CryptoStream cs = new CryptoStream(ms, aes.CreateEncryptor(), CryptoStreamMode.Write);
cs.Write(cwanswer, 0, 48);
aes.Clear();
byte[] cryptedData = ms.ToArray();
Array.Copy(cryptedData,0,cryptedanswer,4,48);
Array.Copy(checksum,0,cryptedanswer,0,4);
return cryptedanswer;
}
public static HashAlgorithm ToHashAlgorithm(int hashTypeId)
{
HashAlgorithm algorithm;
switch (hashTypeId)
{
case 0: // sfv - CRC32
algorithm = new CRC32();
break;
case 1: // md5
algorithm = MD5.Create();
break;
case 2:
case 3: // sha or sha1
algorithm = new SHA1CryptoServiceProvider();
break;
case 4: // sha256
algorithm = new SHA256Managed();
break;
case 5: // sha384
algorithm = new SHA384Managed();
break;
case 6: // sha512
algorithm = new SHA512Managed();
break;
default:
throw new ArgumentException(@"Unrecognized algorithm index", "hashTypeId");
}
return algorithm;
}
public static HashAlgorithm ToHashAlgorithm(string hashType)
{
if (hashType == null)
{
throw new ArgumentNullException("hashType");
}
HashAlgorithm algorithm;
switch (hashType.ToLowerInvariant())
{
case "sfv": // sfv - CRC32
algorithm = new CRC32();
break;
case "md5": // md5
algorithm = MD5.Create();
break;
case "sha":
case "sha1": // sha or sha1
algorithm = new SHA1CryptoServiceProvider();
break;
case "sha256": // sha256
algorithm = new SHA256Managed();
break;
case "sha384": // sha384
algorithm = new SHA384Managed();
break;
case "sha512": // sha512
algorithm = new SHA512Managed();
break;
default:
throw new ArgumentException(@"Unsupported hash algorithm", "hashType");
}
return algorithm;
}
public void MakeOneTorrentFromFolder()
{
long num = 0;
long num6 = 0;
long num8 = 0;
long num9 = 0;
long num12 = 0;
string[] strArray = Directory.GetFiles(this.FileNameToMake.Text, "*", SearchOption.AllDirectories);
if (Strings.Right(this.FileNameToMake.Text, 1) != @"\")
{
this.FileNameToMake.Text = this.FileNameToMake.Text + @"\";
}
TorrentDictionary dictionary2 = new TorrentDictionary();
TorrentList list = new TorrentList();
ArrayList list2 = new ArrayList();
this.OptionalHashProgress.Maximum = strArray.GetLength(0) * CountMultiplier;
foreach (string str10 in strArray)
{
if (this.IsFileCleared(str10))
{
FileStream stream;
byte[] hash;
IEnumerator enumerator = null;
TorrentDictionary dictionary3 = new TorrentDictionary();
TorrentNumber number2 = new TorrentNumber();
TorrentList list3 = new TorrentList();
ArrayList list4 = new ArrayList();
TorrentString str11 = new TorrentString();
number2.Value = FileSystem.FileLen(str10);
num12 += FileSystem.FileLen(str10);
if (this.AutomaticPieceSize.Checked)
{
num += number2.Value;
}
Array array = Strings.Right(str10, Strings.Len(str10) - Strings.Len(this.FileNameToMake.Text)).Split(new char[] { '\\' });
try
{
enumerator = array.GetEnumerator();
while (enumerator.MoveNext())
{
string str13 = Conversions.ToString(enumerator.Current);
if (str13 != "")
{
TorrentString str14 = new TorrentString {
Value = str13
};
list4.Add(str14);
}
}
}
finally
{
if (enumerator is IDisposable)
{
(enumerator as IDisposable).Dispose();
}
}
list3.Value = list4;
dictionary3.Add("length", number2);
dictionary3.Add("path", list3);
StringBuilder builder = new StringBuilder();
HashChanger changer = new HashChanger();
if (number2.Value < 0x100000000L)
{
if (this.IncludeTiger.Checked)
{
string str16 = "";
this.TigerHash = new ThexThreaded();
TorrentString str15 = new TorrentString();
hash = this.TigerHash.GetTTH_Value(str10);
Application.DoEvents();
int index = 0;
foreach (byte num13 in hash)
{
str16 = str16 + Encoding.Default.GetString(hash, index, 1);
index++;
}
str15.Value = str16;
str16 = "";
hash = null;
this.OptionalHashProgress.Value++;
dictionary3.Add("tiger", str15);
}
GC.Collect();
}
else
{
this.OptionalHashProgress.Value++;
}
if (this.IncludeSHA1.Checked)
{
TorrentString str17 = new TorrentString();
stream = new FileStream(str10, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
this.sha1.ComputeHash(stream);
stream.Close();
Application.DoEvents();
hash = this.sha1.Hash;
changer.bytehash = this.sha1.Hash;
str17.Value = changer.rawhash;
builder.Remove(0, builder.Length);
hash = null;
this.OptionalHashProgress.Value++;
dictionary3.Add("sha1", str17);
GC.Collect();
}
if (this.IncludeMD5.Checked)
{
TorrentString str19 = new TorrentString();
stream = new FileStream(str10, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
builder = new StringBuilder();
this.md5.ComputeHash(stream);
Application.DoEvents();
stream.Close();
foreach (byte num13 in this.md5.Hash)
{
builder.AppendFormat("{0:x2}", num13);
}
str19.Value = builder.ToString();
builder.Remove(0, builder.Length);
hash = null;
this.OptionalHashProgress.Value++;
dictionary3.Add("md5sum", str19);
GC.Collect();
}
if (this.IncludeCRC32.Checked)
{
TorrentString str20 = new TorrentString();
CRC32 crc = new CRC32();
int num15 = 0;
stream = new FileStream(str10, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
Stream stream2 = stream;
stream = (FileStream) stream2;
num15 = crc.GetCrc32(ref stream2);
stream.Close();
Application.DoEvents();
str20.Value = string.Format("{0:X8}", num15);
this.OptionalHashProgress.Value++;
dictionary3.Add("crc32", str20);
GC.Collect();
}
if (this.IncludeED2K.Checked)
{
string str21 = "";
string str22 = "";
TorrentString str23 = new TorrentString();
this.GetED2KHash(str10, ref str22, ref str21);
this.OptionalHashProgress.Value++;
str23.Value = str21;
dictionary3.Add("ed2k", str23);
GC.Collect();
}
list2.Add(dictionary3);
}
else
{
this.OptionalHashProgress.Maximum -= CountMultiplier;
}
}
if (this.AutomaticPieceSize.Checked)
{
num9 = this.getautopiecesize(num);
}
else
{
num9 = Conversions.ToInteger(this.PieceSize.Text);
}
list.Value = list2;
TorrentNumber number = new TorrentNumber {
Value = num9
};
dictionary2.Add("files", list);
dictionary2.Add("piece length", number);
long upperBound = strArray.GetUpperBound(0);
long num2 = 0L;
long num3 = 0L;
byte[] buffer = new byte[((int) num9) + 1];
byte[] bytes = new byte[0x15];
while (true)
{
if (this.IsFileCleared(strArray[(int) num2]))
{
this.FileHandling = File.Open(strArray[(int) num2], FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
if (GenerateVerbose)
{
Interaction.MsgBox("Current File: " + strArray[(int) num2] + "\n File offset for Piece 0 of this file: " + Conversions.ToString(num3), MsgBoxStyle.OkOnly, null);
}
break;
}
num2 += 1L;
}
Label_062B:
Thread.Sleep(10);
Application.DoEvents();
this.TorrentProgress.Value = (int) Math.Round((double) ((((double) num3) / ((double) num12)) * 100.0));
byte[] buffer4 = new byte[((int) (num9 - 1L)) + 1];
Label_0668:
num6 = this.FileHandling.Read(buffer4, (int) num8, (int) (num9 - num8));
num8 += num6;
if (!((num2 <= upperBound) & (num8 < num9)))
{
string str3 = "";
byte[] buffer5 = new byte[((int) (num8 - 1L)) + 1];
long num27 = num8 - 1L;
for (long i = 0L; i <= num27; i += 1L)
{
buffer5[(int) i] = buffer4[(int) i];
}
buffer4 = null;
bytes = this.sha1.ComputeHash(buffer5);
int num17 = 0;
do
{
str3 = str3 + Encoding.Default.GetString(bytes, num17, 1);
num17++;
}
while (num17 <= 0x13);
bytes = null;
num3 += num8;
num8 = 0L;
GC.Collect();
if (num3 >= num12)
{
this.FileHandling.Close();
if (GenerateVerbose)
{
Interaction.MsgBox("Size of files hashed: " + Conversions.ToString(num3) + " Size of files compared: " + Conversions.ToString(num12) + "\nNow Generating .torrent file", MsgBoxStyle.OkOnly, null);
}
this.TorrentProgress.Value = 100;
string path = Strings.Left(this.FileNameToMake.Text, Strings.Len(this.FileNameToMake.Text) - 1) + ".torrent";
TorrentString str9 = new TorrentString {
Value = str3
};
dictionary2.Add("pieces", str9);
int num5 = Strings.Left(this.FileNameToMake.Text, Strings.Len(this.FileNameToMake.Text) - 1).LastIndexOf(@"\");
int num4 = Strings.Len(this.FileNameToMake.Text) - num5;
string str8 = Strings.Right(Strings.Left(this.FileNameToMake.Text, Strings.Len(this.FileNameToMake.Text) - 1), num4 - 2);
TorrentString str7 = new TorrentString {
Value = str8
};
TorrentDictionary dictionary = new TorrentDictionary();
TorrentString str4 = new TorrentString();
dictionary2.Add("name", str7);
str4.Value = this.AnnounceURL.Text;
if (UseWSAConfig)
{
ArrayList returnarray = new ArrayList();
TorrentList list6 = new TorrentList();
int webSeedData = TorrentGenFamily.GetWebSeedData(returnarray);
list6.Value = returnarray;
if (webSeedData >= 1)
{
dictionary.Add("httpseeds", list6);
}
}
TorrentString str2 = new TorrentString {
Value = "Torrent Generated by VB.Net TorrentGen - Written by DWKnight"
};
dictionary.Add("created by", str2);
TorrentString str = new TorrentString();
if (Strings.Trim(this.TorrentComment.Text) != "")
{
str.Value = Strings.Trim(this.TorrentComment.Text);
dictionary.Add("comment", str);
}
if (this.AnnounceURL.Text != "")
{
dictionary.Add("announce", str4);
}
if (this.PrivateTorrent.Checked)
{
TorrentNumber number3 = new TorrentNumber {
Value = 1L
};
dictionary2["private"] = number3;
}
dictionary.Add("info", dictionary2);
TorrentString str5 = new TorrentString {
Value = "UTF8"
};
dictionary.Add("encoding", str5);
if (this.MultiTrackerEnabled.Checked)
{
this.CheckMultitTrackerTiers();
dictionary.Add("announce-list", MultiTrackerGenerator.MultiTrackerTiers);
}
if (File.Exists(path))
{
FileSystem.Kill(path);
}
int fileNumber = FileSystem.FreeFile();
FileSystem.FileOpen(fileNumber, path, OpenMode.Binary, OpenAccess.ReadWrite, OpenShare.LockReadWrite, -1);
FileSystem.FilePut(fileNumber, dictionary.BEncoded, -1L, false);
FileSystem.FileClose(new int[] { fileNumber });
GC.Collect();
if (this.MakeExternals.Checked)
{
string str26 = "";
string str28 = "";
string str29 = "";
string str30 = "";
string str32 = "";
string str34 = "";
IEnumerator enumerator2 = null;
string expression = Strings.Left(this.FileNameToMake.Text, Strings.Len(this.FileNameToMake.Text) - 1);
string str27 = expression + ".md5";
string str31 = expression + ".sha1";
string str25 = expression + ".ed2k";
string str33 = expression + ".tiger";
string[] strArray2 = Strings.Split(expression, @"\", -1, CompareMethod.Binary);
strArray2[strArray2.GetUpperBound(0)] = Strings.Replace(strArray2[strArray2.GetUpperBound(0)], " ", ".", 1, -1, CompareMethod.Binary);
strArray2[strArray2.GetUpperBound(0)] = Strings.Replace(strArray2[strArray2.GetUpperBound(0)], "_", ".", 1, -1, CompareMethod.Binary);
foreach (string str35 in strArray2)
{
str29 = str29 + @"\" + str35;
}
str29 = Strings.Mid(str29, 2, Strings.Len(str29) - 1) + ".sfv";
LinkGeneration generation = new LinkGeneration();
HashChanger changer2 = new HashChanger();
try
{
enumerator2 = list2.GetEnumerator();
while (enumerator2.MoveNext())
{
IEnumerator enumerator3 = null;
TorrentDictionary current = (TorrentDictionary) enumerator2.Current;
generation = new LinkGeneration();
TorrentString str36 = new TorrentString();
try
{
enumerator3 = ((IEnumerable) NewLateBinding.LateGet(current["path"], null, "value", new object[0], null, null, null)).GetEnumerator();
while (enumerator3.MoveNext())
{
TorrentString str37 = (TorrentString) enumerator3.Current;
str36 = str37;
}
}
finally
{
if (enumerator3 is IDisposable)
{
(enumerator3 as IDisposable).Dispose();
}
}
if (this.IncludeMD5.Checked)
{
TorrentString str38 = new TorrentString();
str38 = (TorrentString) current["md5sum"];
str28 = str28 + str36.Value + " " + str38.Value + "\r\n";
}
if (this.IncludeSHA1.Checked)
{
changer2 = new HashChanger {
rawhash = Conversions.ToString(NewLateBinding.LateGet(current["sha1"], null, "value", new object[0], null, null, null))
};
str32 = str32 + str36.Value + " " + changer2.hexhash + "\r\n";
}
if (this.IncludeTiger.Checked && current.Contains("tiger"))
{
changer2 = new HashChanger {
rawhash = Conversions.ToString(NewLateBinding.LateGet(current["tiger"], null, "value", new object[0], null, null, null))
};
str34 = str34 + str36.Value + " " + changer2.base32 + "\r\n";
}
if (this.IncludeCRC32.Checked)
{
str30 = Conversions.ToString(Operators.AddObject(Operators.AddObject(Operators.AddObject(str30 + str36.Value + " ", NewLateBinding.LateGet(current["crc32"], null, "value", new object[0], null, null, null)), '\r'), '\n'));
}
if (this.IncludeED2K.Checked)
{
generation.ED2KRaw = Conversions.ToString(NewLateBinding.LateGet(current["ed2k"], null, "Value", new object[0], null, null, null));
generation.FileSize = Conversions.ToLong(NewLateBinding.LateGet(current["length"], null, "Value", new object[0], null, null, null));
generation.FileName = str36.Value;
str26 = str26 + generation.ClassicED2KLink + "\r\n";
str26 = str26 + str36.Value + " " + generation.ED2KHex + "\r\n";
}
GC.Collect();
}
}
finally
{
if (enumerator2 is IDisposable)
{
(enumerator2 as IDisposable).Dispose();
}
}
if (this.IncludeMD5.Checked)
{
if (File.Exists(str27))
{
FileSystem.Kill(str27);
}
int num19 = FileSystem.FreeFile();
FileSystem.FileOpen(num19, str27, OpenMode.Output, OpenAccess.Default, OpenShare.Default, -1);
FileSystem.Print(num19, new object[] { str28 });
FileSystem.FileClose(new int[] { num19 });
}
if (this.IncludeTiger.Checked)
{
if (File.Exists(str33))
{
FileSystem.Kill(str33);
}
int num20 = FileSystem.FreeFile();
FileSystem.FileOpen(num20, str33, OpenMode.Output, OpenAccess.Default, OpenShare.Default, -1);
FileSystem.Print(num20, new object[] { str34 });
FileSystem.FileClose(new int[] { num20 });
}
if (this.IncludeSHA1.Checked)
{
if (File.Exists(str31))
{
FileSystem.Kill(str31);
}
int num21 = FileSystem.FreeFile();
FileSystem.FileOpen(num21, str31, OpenMode.Output, OpenAccess.Default, OpenShare.Default, -1);
FileSystem.Print(num21, new object[] { str32 });
FileSystem.FileClose(new int[] { num21 });
}
if (this.IncludeED2K.Checked)
{
if (File.Exists(str25))
{
FileSystem.Kill(str25);
}
int num22 = FileSystem.FreeFile();
FileSystem.FileOpen(num22, str25, OpenMode.Output, OpenAccess.Default, OpenShare.Default, -1);
FileSystem.Print(num22, new object[] { str26 });
FileSystem.FileClose(new int[] { num22 });
}
if (this.IncludeCRC32.Checked)
{
if (File.Exists(str29))
{
FileSystem.Kill(str29);
}
int num23 = FileSystem.FreeFile();
FileSystem.FileOpen(num23, str29, OpenMode.Output, OpenAccess.Default, OpenShare.Default, -1);
FileSystem.Print(num23, new object[] { str30 });
FileSystem.FileClose(new int[] { num23 });
}
}
GC.Collect();
return;
}
goto Label_062B;
}
num2 += 1L;
while (true)
{
if (num2 > strArray.GetUpperBound(0))
{
goto Label_0668;
}
if (this.IsFileCleared(strArray[(int) num2]))
{
break;
}
num2 += 1L;
}
this.FileHandling.Close();
this.FileHandling = File.Open(strArray[(int) num2], FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
if (GenerateVerbose)
{
Interaction.MsgBox("Current File: " + strArray[(int) num2] + "\n File offset for Piece 0 of this file: " + Conversions.ToString(num3), MsgBoxStyle.OkOnly, null);
}
goto Label_0668;
}
public void MakeTorrentFromFile(string NameOfFile)
{
FileStream stream;
string str6 = "";
string hexhash = "";
string str13 = "";
string str14 = "";
long filesize = FileSystem.FileLen(NameOfFile);
TorrentString str10 = new TorrentString();
TorrentString str7 = new TorrentString();
TorrentString str5 = new TorrentString();
TorrentString str4 = new TorrentString();
TorrentString str12 = new TorrentString();
StringBuilder builder = new StringBuilder();
HashChanger changer = new HashChanger();
this.OptionalHashProgress.Maximum = CountMultiplier;
this.OptionalHashProgress.Value = 0;
if (filesize < 0x100000000L)
{
if (this.IncludeTiger.Checked)
{
this.TigerHash = new ThexThreaded();
changer = new HashChanger {
bytehash = this.TigerHash.GetTTH_Value(NameOfFile)
};
Application.DoEvents();
str12.Value = changer.rawhash;
str13 = changer.base32;
this.OptionalHashProgress.Value++;
}
}
else
{
this.OptionalHashProgress.Value++;
}
if (this.IncludeSHA1.Checked)
{
changer = new HashChanger();
stream = new FileStream(NameOfFile, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
this.sha1.ComputeHash(stream);
stream.Close();
Application.DoEvents();
changer.bytehash = this.sha1.Hash;
str10.Value = changer.rawhash;
hexhash = changer.hexhash;
this.OptionalHashProgress.Value++;
}
if (this.IncludeMD5.Checked)
{
changer = new HashChanger();
stream = new FileStream(NameOfFile, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
this.md5.ComputeHash(stream);
stream.Close();
changer.bytehash = this.md5.Hash;
Application.DoEvents();
str7.Value = changer.hexhash;
this.OptionalHashProgress.Value++;
}
if (this.IncludeCRC32.Checked)
{
CRC32 crc = new CRC32();
int num7 = 0;
stream = new FileStream(NameOfFile, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
Stream stream2 = stream;
stream = (FileStream) stream2;
num7 = crc.GetCrc32(ref stream2);
stream.Close();
str4.Value = string.Format("{0:X8}", num7);
Application.DoEvents();
this.OptionalHashProgress.Value++;
}
if (this.IncludeED2K.Checked)
{
string str3 = "";
this.GetED2KHash(NameOfFile, ref str6, ref str3);
this.OptionalHashProgress.Value++;
str5.Value = str3;
}
this.FileHandling = File.Open(NameOfFile, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
byte[] bytes = new byte[0x15];
if (this.AutomaticPieceSize.Checked)
{
this.piecesizetouse = this.getautopiecesize(filesize);
}
else
{
this.piecesizetouse = Conversions.ToInteger(this.PieceSize.Text);
}
long num3 = 0L;
this.FileHandling.Seek(0L, SeekOrigin.Begin);
while (num3 < filesize)
{
this.TorrentProgress.Value = (int) Math.Round((double) ((((double) num3) / ((double) filesize)) * 100.0));
Application.DoEvents();
byte[] array = new byte[((int) this.piecesizetouse) + 1];
long num5 = this.FileHandling.Read(array, 0, (int) this.piecesizetouse);
byte[] buffer = new byte[((int) (num5 - 1L)) + 1];
long num16 = num5 - 1L;
for (long i = 0L; i <= num16; i += 1L)
{
buffer[(int) i] = array[(int) i];
}
bytes = this.sha1.ComputeHash(buffer);
int index = 0;
do
{
str14 = str14 + Encoding.Default.GetString(bytes, index, 1);
index++;
}
while (index <= 0x13);
num3 += this.piecesizetouse;
buffer = null;
array = null;
Thread.Sleep(10);
GC.Collect();
}
this.TorrentProgress.Value = 100;
this.FileHandling.Close();
TorrentString str20 = new TorrentString();
int length = NameOfFile.LastIndexOf(@"\");
int num = Strings.Len(NameOfFile) - length;
string str8 = Strings.Right(NameOfFile, num - 1);
string str9 = Strings.Left(NameOfFile, length);
TorrentString str19 = new TorrentString {
Value = str8
};
TorrentString str17 = new TorrentString();
TorrentNumber number = new TorrentNumber {
Value = filesize
};
TorrentNumber number2 = new TorrentNumber {
Value = this.piecesizetouse
};
str20.Value = str14;
str17.Value = "UTF8";
TorrentDictionary dictionary2 = new TorrentDictionary();
TorrentDictionary dictionary = new TorrentDictionary();
TorrentString str16 = new TorrentString {
Value = this.AnnounceURL.Text
};
dictionary.Add("length", number);
dictionary.Add("name", str19);
dictionary.Add("pieces", str20);
dictionary.Add("piece length", number2);
if (this.MultiTrackerEnabled.Checked)
{
this.CheckMultitTrackerTiers();
dictionary2.Add("announce-list", MultiTrackerGenerator.MultiTrackerTiers);
}
if (this.IncludeSHA1.Checked)
{
dictionary.Add("sha1", str10);
}
if (this.IncludeMD5.Checked)
{
dictionary.Add("md5sum", str7);
}
if (this.IncludeCRC32.Checked)
{
dictionary.Add("crc32", str4);
}
if (this.IncludeED2K.Checked)
{
dictionary.Add("ed2k", str5);
}
if (this.IncludeTiger.Checked)
{
dictionary.Add("tiger", str12);
}
if (UseWSAConfig)
{
ArrayList returnarray = new ArrayList();
TorrentList list2 = new TorrentList();
int webSeedData = TorrentGenFamily.GetWebSeedData(returnarray);
list2.Value = returnarray;
if (webSeedData >= 1)
{
dictionary2.Add("httpseeds", list2);
}
}
TorrentString str2 = new TorrentString {
Value = "Torrent Generated by VB.Net TorrentGen - Written by DWKnight"
};
dictionary2.Add("created by", str2);
TorrentString str = new TorrentString();
if (Strings.Trim(this.TorrentComment.Text) != "")
{
str.Value = Strings.Trim(this.TorrentComment.Text);
dictionary2.Add("comment", str);
}
if (this.PrivateTorrent.Checked)
{
TorrentNumber number3 = new TorrentNumber {
Value = 1L
};
dictionary["private"] = number3;
}
dictionary2.Add("info", dictionary);
if (this.AnnounceURL.Text != "")
{
dictionary2.Add("announce", str16);
}
dictionary2.Add("encoding", str17);
int fileNumber = FileSystem.FreeFile();
string fileName = NameOfFile + ".torrent";
FileSystem.FileOpen(fileNumber, fileName, OpenMode.Binary, OpenAccess.ReadWrite, OpenShare.LockReadWrite, -1);
FileSystem.FilePut(fileNumber, dictionary2.BEncoded, -1L, false);
FileSystem.FileClose(new int[] { fileNumber });
bytes = null;
if (this.MakeExternals.Checked)
{
if (this.IncludeSHA1.Checked)
{
int num11 = FileSystem.FreeFile();
FileSystem.FileOpen(num11, NameOfFile + ".sha1", OpenMode.Output, OpenAccess.Default, OpenShare.Default, -1);
FileSystem.PrintLine(num11, new object[] { str19.Value + " " + hexhash });
FileSystem.FileClose(new int[] { num11 });
}
if ((filesize <= 0x118940000L) && this.IncludeTiger.Checked)
{
int num12 = FileSystem.FreeFile();
FileSystem.FileOpen(num12, NameOfFile + ".tiger", OpenMode.Output, OpenAccess.Default, OpenShare.Default, -1);
FileSystem.PrintLine(num12, new object[] { str19.Value + " " + str13 });
FileSystem.FileClose(new int[] { num12 });
}
if (this.IncludeMD5.Checked)
{
int num13 = FileSystem.FreeFile();
FileSystem.FileOpen(num13, NameOfFile + ".md5", OpenMode.Output, OpenAccess.Default, OpenShare.Default, -1);
FileSystem.PrintLine(num13, new object[] { str19.Value + " " + str7.Value });
FileSystem.FileClose(new int[] { num13 });
}
if (this.IncludeCRC32.Checked)
{
int num14 = FileSystem.FreeFile();
FileSystem.FileOpen(num14, NameOfFile + ".sfv", OpenMode.Output, OpenAccess.Default, OpenShare.Default, -1);
FileSystem.PrintLine(num14, new object[] { str19.Value + " " + str4.Value });
FileSystem.FileClose(new int[] { num14 });
}
if (this.IncludeED2K.Checked)
{
LinkGeneration generation = new LinkGeneration {
FileName = str19.Value,
FileSize = number.Value,
ED2KHex = str6
};
int num15 = FileSystem.FreeFile();
FileSystem.FileOpen(num15, NameOfFile + ".ed2k", OpenMode.Output, OpenAccess.Default, OpenShare.Default, -1);
FileSystem.PrintLine(num15, new object[] { generation.ClassicED2KLink });
FileSystem.PrintLine(num15, new object[] { str19.Value + " " + generation.ED2KHex + "\r\n" });
FileSystem.FileClose(new int[] { num15 });
}
}
GC.Collect();
}