Core/Command: Check account password max length

sql/updates/world/3.3.5/2016_08_04_05_world.sql

@@ -0,0 +1,3 @@
+DELETE FROM `trinity_string` WHERE `entry` = 1031;
+INSERT INTO `trinity_string` (`entry`, `content_default`) VALUES
+(1031, 'An account password can NOT be longer than 16 characters (client limit). The account was NOT created.');

src/server/game/Accounts/AccountMgr.cpp

@@ -44,6 +44,9 @@ AccountOpResult AccountMgr::CreateAccount(std::string username, std::string pass
     if (utf8length(username) > MAX_ACCOUNT_STR)
         return AccountOpResult::AOR_NAME_TOO_LONG;                           // username's too long
 
+    if (utf8length(password) > MAX_PASS_STR)
+        return AccountOpResult::AOR_PASS_TOO_LONG;                           // password's too long
+
     Utf8ToUpperOnlyLatin(username);
     Utf8ToUpperOnlyLatin(password);
     Utf8ToUpperOnlyLatin(email);

src/server/game/Miscellaneous/Language.h

@@ -863,7 +863,7 @@ enum TrinityStrings
     LANG_ACCOUNT_NOT_DELETED_SQL_ERROR  = 1002,
     LANG_ACCOUNT_NOT_DELETED            = 1003,
     LANG_ACCOUNT_CREATED                = 1004,
-    LANG_ACCOUNT_TOO_LONG               = 1005,
+    LANG_ACCOUNT_NAME_TOO_LONG          = 1005,
     LANG_ACCOUNT_ALREADY_EXIST          = 1006,
     LANG_ACCOUNT_NOT_CREATED_SQL_ERROR  = 1007,
     LANG_ACCOUNT_NOT_CREATED            = 1008,
@@ -889,7 +889,8 @@ enum TrinityStrings
     LANG_SQLDRIVER_QUERY_LOGGING_DISABLED = 1028,
     LANG_ACCOUNT_INVALID_BNET_NAME      = 1029, // 6.x ONLY
     LANG_ACCOUNT_USE_BNET_COMMANDS      = 1030, // 6.x enum value name but different text in DB
-    // Room for more level 4              1031-1099 not used
+    LANG_ACCOUNT_PASS_TOO_LONG          = 1031,
+    // Room for more level 4              1032-1099 not used
 
     // Level 3 (continue)
     LANG_ACCOUNT_SETADDON               = 1100,

src/server/scripts/Commands/cs_account.cpp

@@ -141,7 +141,11 @@ public:
                 }
                 break;
             case AccountOpResult::AOR_NAME_TOO_LONG:
-                handler->SendSysMessage(LANG_ACCOUNT_TOO_LONG);
+                handler->SendSysMessage(LANG_ACCOUNT_NAME_TOO_LONG);
+                handler->SetSentErrorMessage(true);
+                return false;
+            case AccountOpResult::AOR_PASS_TOO_LONG:
+                handler->SendSysMessage(LANG_ACCOUNT_PASS_TOO_LONG);
                 handler->SetSentErrorMessage(true);
                 return false;
             case AccountOpResult::AOR_NAME_ALREADY_EXIST: