void AuthSocket::HandleProof()
{
if(readBuffer.GetSize() < sizeof(sAuthLogonProof_C))
{
LOG_ERROR("[AuthLogonProof] The packet received is larger than expected, refusing to handle it!");
return ;
}
// patch
if(m_patch && !m_account)
{
//RemoveReadBufferBytes(75,false);
readBuffer.Remove(75);
LOG_DEBUG("[AuthLogonProof] Intitiating PatchJob");
uint8 bytes[2] = {0x01, 0x0a};
Send(bytes, 2);
PatchMgr::getSingleton().InitiatePatch(m_patch, this);
return;
}
if(!m_account)
return;
LOG_DEBUG("[AuthLogonProof] Interleaving and checking proof...");
sAuthLogonProof_C lp;
//Read(sizeof(sAuthLogonProof_C), (uint8*)&lp);
readBuffer.Read(&lp, sizeof(sAuthLogonProof_C));
////////////////////////////////////////////////////// SRP6 ///////////////////////////////////////////////
//Now comes the famous secret Xi Chi fraternity handshake ( http://www.youtube.com/watch?v=jJSYBoI2si0 ),
//generating a session key
//
// A = g^a % N
// u = SHA1( A | B )
//
//
BigNumber A;
A.SetBinary(lp.A, 32);
Sha1Hash sha;
sha.UpdateBigNumbers(&A, &B, 0);
sha.Finalize();
BigNumber u;
u.SetBinary(sha.GetDigest(), 20);
// S session key key, S = ( A * v^u ) ^ b
BigNumber S = (A * (v.ModExp(u, N))).ModExp(b, N);
// Generate M
// M = H(H(N) xor H(g), H(I), s, A, B, K) according to http://srp.stanford.edu/design.html
uint8 t[32];
uint8 t1[16];
uint8 vK[40];
memcpy(t, S.AsByteArray(), 32);
for(int i = 0; i < 16; i++)
{
t1[i] = t[i * 2];
}
sha.Initialize();
sha.UpdateData(t1, 16);
sha.Finalize();
for(int i = 0; i < 20; i++)
{
vK[i * 2] = sha.GetDigest()[i];
}
for(int i = 0; i < 16; i++)
{
t1[i] = t[i * 2 + 1];
}
sha.Initialize();
sha.UpdateData(t1, 16);
sha.Finalize();
for(int i = 0; i < 20; i++)
{
vK[i * 2 + 1] = sha.GetDigest()[i];
}
m_sessionkey.SetBinary(vK, 40);
uint8 hash[20];
sha.Initialize();
sha.UpdateBigNumbers(&N, NULL);
sha.Finalize();
memcpy(hash, sha.GetDigest(), 20);
sha.Initialize();
sha.UpdateBigNumbers(&g, NULL);
sha.Finalize();
for(int i = 0; i < 20; i++)
{
hash[i] ^= sha.GetDigest()[i];
}
BigNumber t3;
t3.SetBinary(hash, 20);
sha.Initialize();
sha.UpdateData((const uint8*)m_account->UsernamePtr->c_str(), (int)m_account->UsernamePtr->size());
sha.Finalize();
BigNumber t4;
t4.SetBinary(sha.GetDigest(), 20);
sha.Initialize();
sha.UpdateBigNumbers(&t3, &t4, &s, &A, &B, &m_sessionkey, NULL);
sha.Finalize();
BigNumber M;
M.SetBinary(sha.GetDigest(), 20);
// Compare the M value the client sent us to the one we generated, this proves we both have the same values
// which proves we have the same username-password pairs
if(memcmp(lp.M1, M.AsByteArray(), 20) != 0)
{
// Authentication failed.
//SendProofError(4, 0);
SendChallengeError(CE_NO_ACCOUNT);
LOG_DEBUG("[AuthLogonProof] M values don't match. ( Either invalid password or the logon server is bugged. )");
return;
}
// Store sessionkey
m_account->SetSessionKey(m_sessionkey.AsByteArray());
// let the client know
sha.Initialize();
sha.UpdateBigNumbers(&A, &M, &m_sessionkey, 0);
sha.Finalize();
SendProofError(0, sha.GetDigest());
LOG_DEBUG("[AuthLogonProof] Authentication Success.");
// we're authenticated now :)
m_authenticated = true;
// Don't update when IP banned, but update anyway if it's an account ban
sLogonSQL->Execute("UPDATE accounts SET lastlogin=NOW(), lastip='%s' WHERE acct=%u;", GetRemoteIP().c_str(), m_account->AccountId);
}
void AuthSocket::HandleProof()
{
if(!m_account || !HasBytes(sizeof(sAuthLogonProof_C)))
return ;
sLog.outDebug("[AuthLogonProof] Interleaving and checking proof...");
sAuthLogonProof_C lp;
ReadBytes((u8*)&lp, sizeof(sAuthLogonProof_C));
BigNumber A;
A.SetBinary(lp.A, 32);
Sha1Hash sha;
sha.UpdateBigNumbers(&A, &B, 0);
sha.Finalize();
BigNumber u;
u.SetBinary(sha.GetDigest(), 20);
BigNumber S = (A * (v.ModExp(u, N))).ModExp(b, N);
uint8 t[32];
uint8 t1[16];
uint8 vK[40];
memcpy(t, S.AsByteArray(), 32);
for (int i = 0; i < 16; i++)
{
t1[i] = t[i*2];
}
sha.Initialize();
sha.UpdateData(t1, 16);
sha.Finalize();
for (int i = 0; i < 20; i++)
{
vK[i*2] = sha.GetDigest()[i];
}
for (int i = 0; i < 16; i++)
{
t1[i] = t[i*2+1];
}
sha.Initialize();
sha.UpdateData(t1, 16);
sha.Finalize();
for (int i = 0; i < 20; i++)
{
vK[i*2+1] = sha.GetDigest()[i];
}
m_sessionkey.SetBinary(vK, 40);
uint8 hash[20];
sha.Initialize();
sha.UpdateBigNumbers(&N, NULL);
sha.Finalize();
memcpy(hash, sha.GetDigest(), 20);
sha.Initialize();
sha.UpdateBigNumbers(&g, NULL);
sha.Finalize();
for (int i = 0; i < 20; i++)
{
hash[i] ^= sha.GetDigest()[i];
}
BigNumber t3;
t3.SetBinary(hash, 20);
sha.Initialize();
sha.UpdateData(m_account->Username);
sha.Finalize();
BigNumber t4;
t4.SetBinary(sha.GetDigest(), 20);
sha.Initialize();
sha.UpdateBigNumbers(&t3, &t4, &s, &A, &B, &m_sessionkey, NULL);
sha.Finalize();
BigNumber M;
M.SetBinary(sha.GetDigest(), 20);
// Compare M1 values.
if(memcmp(lp.M1, M.AsByteArray(), 20) != 0)
{
// Authentication failed.
//SendProofError(4, 0);
SendChallengeError(CE_NO_ACCOUNT);
sLog.outDebug("[AuthLogonProof] M1 values don't match.");
return;
}
// Store sessionkey
BigNumber * bs = new BigNumber(m_sessionkey);
sInfoCore.SetSessionKey(m_account->AccountId, bs);
// let the client know
sha.Initialize();
sha.UpdateBigNumbers(&A, &M, &m_sessionkey, 0);
sha.Finalize();
SendProofError(0, sha.GetDigest());
sLog.outDebug("[AuthLogonProof] Authentication Success.");
// we're authenticated now :)
m_authenticated = true;
}
void AuthSocket::HandleProof()
{
if(GetReadBuffer()->GetSize() < sizeof(sAuthLogonProof_C))
return;
// patch
if(m_patch&&!m_account)
{
//RemoveReadBufferBytes(75,false);
GetReadBuffer()->Remove(75);
DEBUG_LOG("AuthLogonProof","Intitiating PatchJob");
uint8 bytes[2] = {0x01,0x0a};
Send(bytes,2);
PatchMgr::getSingleton().InitiatePatch(m_patch, this);
return;
}
if(!m_account)
return;
DEBUG_LOG("AuthLogonProof","Interleaving and checking proof...");
sAuthLogonProof_C lp;
GetReadBuffer()->Read(&lp, sizeof(sAuthLogonProof_C));
BigNumber A;
A.SetBinary(lp.A, 32);
Sha1Hash sha;
sha.UpdateBigNumbers(&A, &B, 0);
sha.Finalize();
BigNumber u;
u.SetBinary(sha.GetDigest(), 20);
BigNumber S = (A * (v.ModExp(u, N))).ModExp(b, N);
uint8 t[32];
uint8 t1[16];
uint8 vK[40];
memcpy(t, S.AsByteArray(), 32);
for (int i = 0; i < 16; i++)
{
t1[i] = t[i*2];
}
sha.Initialize();
sha.UpdateData(t1, 16);
sha.Finalize();
for (int i = 0; i < 20; i++)
{
vK[i*2] = sha.GetDigest()[i];
}
for (int i = 0; i < 16; i++)
{
t1[i] = t[i*2+1];
}
sha.Initialize();
sha.UpdateData(t1, 16);
sha.Finalize();
for (int i = 0; i < 20; i++)
{
vK[i*2+1] = sha.GetDigest()[i];
}
m_sessionkey.SetBinary(vK, 40);
uint8 hash[20];
sha.Initialize();
sha.UpdateBigNumbers(&N, NULL);
sha.Finalize();
memcpy(hash, sha.GetDigest(), 20);
sha.Initialize();
sha.UpdateBigNumbers(&g, NULL);
sha.Finalize();
for (int i = 0; i < 20; i++)
{
hash[i] ^= sha.GetDigest()[i];
}
BigNumber t3;
t3.SetBinary(hash, 20);
sha.Initialize();
sha.UpdateData((const uint8*)m_account->UsernamePtr->c_str(), (int)m_account->UsernamePtr->size());
sha.Finalize();
BigNumber t4;
t4.SetBinary(sha.GetDigest(), 20);
sha.Initialize();
sha.UpdateBigNumbers(&t3, &t4, &s, &A, &B, &m_sessionkey, NULL);
sha.Finalize();
BigNumber M;
M.SetBinary(sha.GetDigest(), 20);
// Compare M1 values.
if(memcmp(lp.M1, M.AsByteArray(), 20) != 0)
{
// Authentication failed.
//SendProofError(4, 0);
SendChallengeError(CE_NO_ACCOUNT);
DEBUG_LOG("AuthLogonProof","M1 values don't match.");
return;
}
// Store sessionkey
m_account->SetSessionKey(m_sessionkey.AsByteArray());
// OUT_DEBUG("========================\nSession key: ");
// for(uint32 z = 0; z < 40; ++z)
// OUT_DEBUG("%.2X ", m_account->SessionKey[z]);
// OUT_DEBUG("\n========================\n");
// let the client know
sha.Initialize();
sha.UpdateBigNumbers(&A, &M, &m_sessionkey, 0);
sha.Finalize();
if(GetBuild() <= 6005)
{
sAuthLogonProof_S proof;
proof.cmd = 0x01;
proof.error = 0;
memcpy(proof.M2, sha.GetDigest(), 20);
proof.unk2 = 0;
SendPacket( (uint8*) &proof, sizeof(proof) );
}
else
SendProofError(0, sha.GetDigest());
DEBUG_LOG("AuthLogonProof","Authentication Success.");
// we're authenticated now :)
m_authenticated = true;
// Don't update when IP banned, but update anyway if it's an account ban
const char* m_sessionkey_hex = m_sessionkey.AsHexStr();
sLogonSQL->Execute("UPDATE accounts SET lastlogin=NOW(), SessionKey = '%s', lastip='%s' WHERE acct=%u;", m_sessionkey_hex, GetIP(), m_account->AccountId);
}
void AuthSocket::HandleProof()
{
if(GetReadBufferSize() < sizeof(sAuthLogonProof_C))
return ;
// patch
if(m_patch&&!m_account)
{
RemoveReadBufferBytes(75,false);
sLog.outDebug("[AuthLogonProof] Intitiating PatchJob");
uint8 bytes[2] = {0x01,0x0a};
Send(bytes,2);
PatchMgr::getSingleton().InitiatePatch(m_patch, this);
return;
}
if(!m_account)
return;
sLog.outDebug("[AuthLogonProof] Interleaving and checking proof...");
sAuthLogonProof_C lp;
Read(sizeof(sAuthLogonProof_C), (uint8*)&lp);
BigNumber A;
A.SetBinary(lp.A, 32);
Sha1Hash sha;
sha.UpdateBigNumbers(&A, &B, 0);
sha.Finalize();
BigNumber u;
u.SetBinary(sha.GetDigest(), 20);
BigNumber S = (A * (v.ModExp(u, N))).ModExp(b, N);
uint8 t[32];
uint8 t1[16];
uint8 vK[40];
memcpy(t, S.AsByteArray(), 32);
for (int i = 0; i < 16; i++)
{
t1[i] = t[i*2];
}
sha.Initialize();
sha.UpdateData(t1, 16);
sha.Finalize();
for (int i = 0; i < 20; i++)
{
vK[i*2] = sha.GetDigest()[i];
}
for (int i = 0; i < 16; i++)
{
t1[i] = t[i*2+1];
}
sha.Initialize();
sha.UpdateData(t1, 16);
sha.Finalize();
for (int i = 0; i < 20; i++)
{
vK[i*2+1] = sha.GetDigest()[i];
}
m_sessionkey.SetBinary(vK, 40);
uint8 hash[20];
sha.Initialize();
sha.UpdateBigNumbers(&N, NULL);
sha.Finalize();
memcpy(hash, sha.GetDigest(), 20);
sha.Initialize();
sha.UpdateBigNumbers(&g, NULL);
sha.Finalize();
for (int i = 0; i < 20; i++)
{
hash[i] ^= sha.GetDigest()[i];
}
BigNumber t3;
t3.SetBinary(hash, 20);
sha.Initialize();
sha.UpdateData((const uint8*)m_account->UsernamePtr->c_str(), (int)m_account->UsernamePtr->size());
sha.Finalize();
BigNumber t4;
t4.SetBinary(sha.GetDigest(), 20);
sha.Initialize();
sha.UpdateBigNumbers(&t3, &t4, &s, &A, &B, &m_sessionkey, NULL);
sha.Finalize();
BigNumber M;
M.SetBinary(sha.GetDigest(), 20);
// Compare M1 values.
if(memcmp(lp.M1, M.AsByteArray(), 20) != 0)
{
// Authentication failed.
//SendProofError(4, 0);
SendChallengeError(CE_NO_ACCOUNT);
sLog.outDebug("[AuthLogonProof] M1 values don't match.");
return;
}
// Store sessionkey
m_account->SetSessionKey(m_sessionkey.AsByteArray());
// let the client know
sha.Initialize();
sha.UpdateBigNumbers(&A, &M, &m_sessionkey, 0);
sha.Finalize();
SendProofError(0, sha.GetDigest());
sLog.outDebug("[AuthLogonProof] Authentication Success.");
// we're authenticated now :)
m_authenticated = true;
// Don't update when IP banned, but update anyway if it's an account ban
sLogonSQL->Execute("UPDATE accounts SET lastlogin=NOW(), lastip='%s' WHERE acct=%u;", GetRemoteIP().c_str(), m_account->AccountId);
}
