Implement banned_addons (#647)

data/sql/base/db_characters/banned_addons.sql

@@ -0,0 +1,24 @@
+/*!40103 SET @OLD_TIME_ZONE=@@TIME_ZONE */;
+/*!40103 SET TIME_ZONE='+00:00' */;
+/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
+/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
+/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
+/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
+DROP TABLE IF EXISTS `banned_addons`;
+/*!40101 SET @saved_cs_client     = @@character_set_client */;
+/*!40101 SET character_set_client = utf8 */;
+CREATE TABLE `banned_addons` (
+  `Id` int(10) UNSIGNED NOT NULL AUTO_INCREMENT,
+  `Name` varchar(255) NOT NULL,
+  `Version` varchar(255) NOT NULL DEFAULT '',
+  `Timestamp` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  PRIMARY KEY (`Id`),
+  UNIQUE KEY `idx_name_ver` (`Name`, `Version`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+/*!40101 SET character_set_client = @saved_cs_client */;
+
+/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
+/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
+/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;
+/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;
+

data/sql/updates/pending_db_characters/rev_1505652328111029300.sql

@@ -0,0 +1,25 @@
+INSERT INTO version_db_characters (`sql_rev`) VALUES ('1505652328111029300');
+
+/*!40103 SET @OLD_TIME_ZONE=@@TIME_ZONE */;
+/*!40103 SET TIME_ZONE='+00:00' */;
+/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
+/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
+/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
+/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
+DROP TABLE IF EXISTS `banned_addons`;
+/*!40101 SET @saved_cs_client     = @@character_set_client */;
+/*!40101 SET character_set_client = utf8 */;
+CREATE TABLE `banned_addons` (
+  `Id` int(10) UNSIGNED NOT NULL AUTO_INCREMENT,
+  `Name` varchar(255) NOT NULL,
+  `Version` varchar(255) NOT NULL DEFAULT '',
+  `Timestamp` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  PRIMARY KEY (`Id`),
+  UNIQUE KEY `idx_name_ver` (`Name`, `Version`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+/*!40101 SET character_set_client = @saved_cs_client */;
+
+/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
+/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
+/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;
+/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;

modules/acore/game-framework/src/Addons/AddonMgr.cpp

@@ -10,6 +10,7 @@
 #include "Timer.h"
 
 #include <list>
+#include <openssl/md5.h>
 
 namespace AddonMgr
 {
@@ -22,6 +23,7 @@ namespace
     typedef std::list<SavedAddon> SavedAddonsList;
 
     SavedAddonsList m_knownAddons;
+    BannedAddonList m_bannedAddons;
 }
 
 void LoadFromDB()
@@ -52,7 +54,36 @@ void LoadFromDB()
     while (result->NextRow());
 
     sLog->outString(">> Loaded %u known addons in %u ms", count, GetMSTimeDiffToNow(oldMSTime));
-    sLog->outString();
+
+    oldMSTime = getMSTime();
+    result = CharacterDatabase.Query("SELECT id, name, version, UNIX_TIMESTAMP(timestamp) FROM banned_addons");
+    if (result)
+    {
+        uint32 count = 0;
+        uint32 offset = 102;
+
+        do
+        {
+            Field* fields = result->Fetch();
+
+            BannedAddon addon;
+            addon.Id = fields[0].GetUInt32() + offset;
+            addon.Timestamp = uint32(fields[3].GetUInt64());
+
+            std::string name = fields[1].GetString();
+            std::string version = fields[2].GetString();
+
+            MD5(reinterpret_cast<uint8 const*>(name.c_str()), name.length(), addon.NameMD5);
+            MD5(reinterpret_cast<uint8 const*>(version.c_str()), version.length(), addon.VersionMD5);
+
+            m_bannedAddons.push_back(addon);
+
+            ++count;
+        } while (result->NextRow());
+
+        sLog->outString(">> Loaded %u banned addons in %u ms", count, GetMSTimeDiffToNow(oldMSTime));
+        sLog->outString();
+    }
 }
 
 void SaveAddon(AddonInfo const& addon)
@@ -81,4 +112,9 @@ SavedAddon const* GetAddonInfo(const std::string& name)
     return NULL;
 }
 
+BannedAddonList const* GetBannedAddons()
+{
+    return &m_bannedAddons;
+}
+
 } // Namespace

modules/acore/game-framework/src/Addons/AddonMgr.h

@@ -9,6 +9,7 @@
 
 #include "Define.h"
 #include <string>
+#include <list>
 
 struct AddonInfo
 {
@@ -33,6 +34,14 @@ struct SavedAddon
     uint32 CRC;
 };
 
+struct BannedAddon
+{
+    uint32 Id;
+    uint8 NameMD5[16];
+    uint8 VersionMD5[16];
+    uint32 Timestamp;
+};
+
 #define STANDARD_ADDON_CRC 0x4c1c776d
 
 namespace AddonMgr
@@ -40,6 +49,9 @@ namespace AddonMgr
     void LoadFromDB();
     void SaveAddon(AddonInfo const& addon);
     SavedAddon const* GetAddonInfo(const std::string& name);
+
+    typedef std::list<BannedAddon> BannedAddonList;
+    BannedAddonList const* GetBannedAddons();
 }
 
 #endif

src/game/Server/WorldSession.cpp

@@ -1077,7 +1077,16 @@ void WorldSession::SendAddonsInfo()
 
     m_addonsList.clear();
 
-    data << uint32(0); // count for an unknown for loop
+    AddonMgr::BannedAddonList const* bannedAddons = AddonMgr::GetBannedAddons();
+    data << uint32(bannedAddons->size());
+    for (AddonMgr::BannedAddonList::const_iterator itr = bannedAddons->begin(); itr != bannedAddons->end(); ++itr)
+    {
+	    data << uint32(itr->Id);
+        data.append(itr->NameMD5, sizeof(itr->NameMD5));
+        data.append(itr->VersionMD5, sizeof(itr->VersionMD5));
+        data << uint32(itr->Timestamp);
+        data << uint32(1);  // IsBanned
+    }
 
     SendPacket(&data);
 }