2 files changed, 69 insertions, 5 deletions
diff --git a/src/server/authserver/Authentication/AuthCodes.cpp b/src/server/authserver/Authentication/AuthCodes.cpp
index 7a97cbee3de..bdb96ca0d25 100644
--- a/src/server/authserver/Authentication/AuthCodes.cpp
+++ b/src/server/authserver/Authentication/AuthCodes.cpp
@@ -16,17 +16,65 @@
  */
 
 #include "AuthCodes.h"
+#include <cstddef>
 
 namespace AuthHelper
 {
-    bool IsAcceptedClientBuild(int build)
+    static RealmBuildInfo const PostBcAcceptedClientBuilds[] =
+    {
+        {15595, 4, 3, 4, ' '},
+        {14545, 4, 2, 2, ' '},
+        {13623, 4, 0, 6, 'a'},
+        {12340, 3, 3, 5, 'a'},
+        {11723, 3, 3, 3, 'a'},
+        {11403, 3, 3, 2, ' '},
+        {11159, 3, 3, 0, 'a'},
+        {10505, 3, 2, 2, 'a'},
+        {9947,  3, 1, 3, ' '},
+        {8606,  2, 4, 3, ' '},
+        {0,     0, 0, 0, ' '}                                   // terminator
+    };
+
+    static RealmBuildInfo const PreBcAcceptedClientBuilds[] =
+    {
+        {6005,  1, 12, 2, ' '},
+        {5875,  1, 12, 1, ' '},
+        {0,     0, 0, 0, ' '}                                   // terminator
+    };
+
+    bool IsPreBCAcceptedClientBuild(int build)
     {
-        static int accepted_versions[] = TRINITYCORE_ACCEPTED_CLIENT_BUILD;
+        for (int i = 0; PreBcAcceptedClientBuilds[i].Build; ++i)
+            if (PreBcAcceptedClientBuilds[i].Build == build)
+                return true;
 
-        for (int i = 0; accepted_versions[i]; ++i)
-            if (build == accepted_versions[i])
+        return false;
+    }
+
+    bool IsPostBCAcceptedClientBuild(int build)
+    {
+        for (int i = 0; PostBcAcceptedClientBuilds[i].Build; ++i)
+            if (PostBcAcceptedClientBuilds[i].Build == build)
                 return true;
 
         return false;
     }
+
+    bool IsAcceptedClientBuild(int build)
+    {
+        return (IsPostBCAcceptedClientBuild(build) || IsPreBCAcceptedClientBuild(build));
+    }
+
+    RealmBuildInfo const* GetBuildInfo(int build)
+    {
+        for (int i = 0; PostBcAcceptedClientBuilds[i].Build; ++i)
+            if (PostBcAcceptedClientBuilds[i].Build == build)
+                return &PostBcAcceptedClientBuilds[i];
+
+        for (int i = 0; PreBcAcceptedClientBuilds[i].Build; ++i)
+            if (PreBcAcceptedClientBuilds[i].Build == build)
+                return &PreBcAcceptedClientBuilds[i];
+
+        return NULL;
+    }
 };
diff --git a/src/server/authserver/Authentication/AuthCodes.h b/src/server/authserver/Authentication/AuthCodes.h
index 9d631a5800d..148225377ff 100755
--- a/src/server/authserver/Authentication/AuthCodes.h
+++ b/src/server/authserver/Authentication/AuthCodes.h
@@ -65,12 +65,28 @@ enum LoginResult
     LOGIN_LOCKED_ENFORCED                        = 0x10,
 };
 
-#define TRINITYCORE_ACCEPTED_CLIENT_BUILD        {15595, 12340, 0}  // accept one Cataclysm and one Wrath of the Lich King build
+enum ExpansionFlags
+{
+    POST_BC_EXP_FLAG                            = 0x2,
+    PRE_BC_EXP_FLAG                             = 0x1,
+    NO_VALID_EXP_FLAG                           = 0x0
+};
 
+struct RealmBuildInfo
+{
+    int Build;
+    int MajorVersion;
+    int MinorVersion;
+    int BugfixVersion;
+    int HotfixVersion;
+};
 
 namespace AuthHelper
 {
+    RealmBuildInfo const* GetBuildInfo(int build);
     bool IsAcceptedClientBuild(int build);
+    bool IsPostBCAcceptedClientBuild(int build);
+    bool IsPreBCAcceptedClientBuild(int build);
 };
 
 #endif