Core/Warden: Base implementation for Warden functionality

Note: The default config file action for clients failing the checks can be changed for each check via the characters.warden_action table

Credits to TOM_RUS

src/server/shared/Database/Implementation/LoginDatabase.cpp

@@ -31,7 +31,7 @@ void LoginDatabaseConnection::DoPrepareStatements()
     PREPARE_STATEMENT(LOGIN_INS_ACCOUNT_AUTO_BANNED, "INSERT INTO account_banned VALUES (?, UNIX_TIMESTAMP(), UNIX_TIMESTAMP()+?, 'Trinity realmd', 'Failed login autoban', 1)", CONNECTION_ASYNC)
     PREPARE_STATEMENT(LOGIN_SEL_SESSIONKEY, "SELECT a.sessionkey, a.id, aa.gmlevel  FROM account a LEFT JOIN account_access aa ON (a.id = aa.id) WHERE username = ?", CONNECTION_SYNCH)
     PREPARE_STATEMENT(LOGIN_UPD_VS, "UPDATE account SET v = ?, s = ? WHERE username = ?", CONNECTION_ASYNC)
-    PREPARE_STATEMENT(LOGIN_UPD_LOGONPROOF, "UPDATE account SET sessionkey = ?, last_ip = ?, last_login = NOW(), locale = ?, failed_logins = 0 WHERE username = ?", CONNECTION_ASYNC)
+    PREPARE_STATEMENT(LOGIN_UPD_LOGONPROOF, "UPDATE account SET sessionkey = ?, last_ip = ?, last_login = NOW(), locale = ?, failed_logins = 0, os = ? WHERE username = ?", CONNECTION_ASYNC)
     PREPARE_STATEMENT(LOGIN_SEL_LOGONCHALLENGE, "SELECT a.sha_pass_hash, a.id, a.locked, a.last_ip, aa.gmlevel, a.v, a.s FROM account a LEFT JOIN account_access aa ON (a.id = aa.id) WHERE a.username = ?", CONNECTION_SYNCH)
     PREPARE_STATEMENT(LOGIN_UPD_FAILEDLOGINS, "UPDATE account SET failed_logins = failed_logins + 1 WHERE username = ?", CONNECTION_ASYNC)
     PREPARE_STATEMENT(LOGIN_SEL_FAILEDLOGINS, "SELECT id, failed_logins FROM account WHERE username = ?", CONNECTION_SYNCH)