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support 7.72 with non-default -DTIBIA772=1 switch

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fusion32 2025-09-19 23:46:26 -03:00
parent 73dcabd0aa
commit a8a6a14018
1 changed files with 9 additions and 1 deletions
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10
src/connections.cc
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@ -13,7 +13,12 @@
# error "Operating system not currently supported."
#endif
#if TIBIA772
static const int TERMINALVERSION[] = {772, 772, 772};
#else
static const int TERMINALVERSION[] = {770, 770, 770};
#endif
static RSAKey *g_PrivateKey = NULL;
static int g_Listener = -1;
static TConnection *g_Connections = NULL;
@ -474,7 +479,10 @@ void ProcessLoginRequest(TConnection *Connection){
return;
}
if(!RSADecrypt(g_PrivateKey, AsymmetricData, sizeof(AsymmetricData))){
// IMPORTANT(fusion): Without a checksum, there is no way of validating
// the asymmetric data. The best we can do is to verify that the first
// plaintext byte is ZERO, but that alone isn't enough.
if(!RSADecrypt(g_PrivateKey, AsymmetricData, sizeof(AsymmetricData)) || AsymmetricData[0] != 0){
LOG_ERR("Failed to decrypt asymmetric data from %s",
Connection->RemoteAddress);
CloseConnection(Connection);