public void crack(byte[] receive, byte[] send, out string Hash, out string Seed, out string DBUser)
{
Hash = ""; Seed = ""; DBUser = "";
if (receive == null) return;
if (send == null) return;
try
{
MemoryStream ms = new MemoryStream(receive);
MySqlStream stream = new MySqlStream(ms, _Codec);
// read off the welcome packet and parse out it's values
stream.OpenPacket();
int protocol = stream.ReadByte();
string versionString = stream.ReadString();
DBVersion version = DBVersion.Parse(versionString);
int threadId = stream.ReadInteger(4);
string encryptionSeed = stream.ReadString();
int serverCaps = 0;
if (stream.HasMoreData) serverCaps = stream.ReadInteger(2);
if (version.isAtLeast(4, 1, 1))
{
/* New protocol with 16 bytes to describe server characteristics */
int serverCharSetIndex = stream.ReadInteger(1);
int serverStatus = stream.ReadInteger(2);
stream.SkipBytes(13);
string seedPart2 = stream.ReadString();
encryptionSeed += seedPart2;
}
stream.Close();
ms.Close();
ms.Dispose();
if (version.isAtLeast(4, 1, 1))
{
string msg = _Codec.GetString(send);
int i = msg.IndexOf("\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0");
if (i != -1)
{
string user = msg.Remove(0, i + 23);
i = user.IndexOf('\0');
string hash1 = user.Remove(0, i + 1);
if (hash1 == "\0") hash1 = "";
user = user.Substring(0, i);
//CLIENT: recv(public_seed)
// hash_stage1=sha1("password")
// hash_stage2=sha1(hash_stage1)
// reply=xor(hash_stage1, sha1(public_seed,hash_stage2)
// send(reply)
//SERVER: recv(reply)
// hash_stage1=xor(reply, sha1(public_seed,hash_stage2))
// candidate_hash2=sha1(hash_stage1)
// check(candidate_hash2==hash_stage2)
Seed = StringToHex(encryptionSeed, true);
Hash = StringToHex(hash1.Substring(0, 21), true);
DBUser = user;
}
}
else
{
throw (new Exception("MYSQL ERROR VERSION INCOMPATIBLE, MUST BE >4.1.1"));
}
}
catch { }
}
void IMySqlValue.SkipValue(MySqlStream stream)
{
stream.SkipBytes(4);
}
public void SkipValue(MySqlStream stream)
{
long len = stream.ReadFieldLength();
stream.SkipBytes((int)len);
}
void IMySqlValue.SkipValue(MySqlStream stream)
{
long len = stream.ReadByte();
stream.SkipBytes((int)len);
}
public void crack(byte[] receive, byte[] send, out string Hash, out string Seed, out string DBUser)
{
Hash = ""; Seed = ""; DBUser = "";
if (receive == null)
{
return;
}
if (send == null)
{
return;
}
try
{
MemoryStream ms = new MemoryStream(receive);
MySqlStream stream = new MySqlStream(ms, _Codec);
// read off the welcome packet and parse out it's values
stream.OpenPacket();
int protocol = stream.ReadByte();
string versionString = stream.ReadString();
DBVersion version = DBVersion.Parse(versionString);
int threadId = stream.ReadInteger(4);
string encryptionSeed = stream.ReadString();
int serverCaps = 0;
if (stream.HasMoreData)
{
serverCaps = stream.ReadInteger(2);
}
if (version.isAtLeast(4, 1, 1))
{
/* New protocol with 16 bytes to describe server characteristics */
int serverCharSetIndex = stream.ReadInteger(1);
int serverStatus = stream.ReadInteger(2);
stream.SkipBytes(13);
string seedPart2 = stream.ReadString();
encryptionSeed += seedPart2;
}
stream.Close();
ms.Close();
ms.Dispose();
if (version.isAtLeast(4, 1, 1))
{
string msg = _Codec.GetString(send);
int i = msg.IndexOf("\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0");
if (i != -1)
{
string user = msg.Remove(0, i + 23);
i = user.IndexOf('\0');
string hash1 = user.Remove(0, i + 1);
if (hash1 == "\0")
{
hash1 = "";
}
user = user.Substring(0, i);
//CLIENT: recv(public_seed)
// hash_stage1=sha1("password")
// hash_stage2=sha1(hash_stage1)
// reply=xor(hash_stage1, sha1(public_seed,hash_stage2)
// send(reply)
//SERVER: recv(reply)
// hash_stage1=xor(reply, sha1(public_seed,hash_stage2))
// candidate_hash2=sha1(hash_stage1)
// check(candidate_hash2==hash_stage2)
Seed = StringToHex(encryptionSeed, true);
Hash = StringToHex(hash1.Substring(0, 21), true);
DBUser = user;
}
}
else
{
throw (new Exception("MYSQL ERROR VERSION INCOMPATIBLE, MUST BE >4.1.1"));
}
}
catch { }
}
