From a89f098a2244604af6c9058df5dad72adff3792a Mon Sep 17 00:00:00 2001
From: Bram Matthys <syzop@vulnscan.org>
Date: Fri, 10 Apr 2026 17:44:36 +0200
Subject: [PATCH] Fix mmdb library on Windows and use it by default

---
 Makefile.windows        | 1 +
 include/mmdb.h          | 7 +++++--
 include/windows/setup.h | 2 +-
 3 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/Makefile.windows b/Makefile.windows
index 9251fc128..881e848ea 100644
--- a/Makefile.windows
+++ b/Makefile.windows
@@ -275,6 +275,7 @@ DLL_FILES=\
  src/modules/geoip_base.dll \
  src/modules/geoip_classic.dll \
  src/modules/geoip_csv.dll \
+ src/modules/geoip_mmdb.dll \
  src/modules/geoip-tag.dll \
  src/modules/globops.dll \
  src/modules/help.dll \
diff --git a/include/mmdb.h b/include/mmdb.h
index f9d0e3dfa..535a273ce 100644
--- a/include/mmdb.h
+++ b/include/mmdb.h
@@ -33,8 +33,11 @@
 #include <stddef.h>
 
 #ifdef _WIN32
-#include <winsock2.h>
-#include <ws2tcpip.h>
+ #ifndef _WIN32_WINNT
+  #define _WIN32_WINNT 0x0601
+ #endif
+ #include <winsock2.h>
+ #include <ws2tcpip.h>
 #else
 #include <sys/socket.h>
 #include <netinet/in.h>
diff --git a/include/windows/setup.h b/include/windows/setup.h
index cae62f8c1..7c105fffd 100644
--- a/include/windows/setup.h
+++ b/include/windows/setup.h
@@ -63,7 +63,7 @@
 #define _WIN32_WINNT 0x0601
 
 /* What geoip engine to use */
-#define GEOIP_ENGINE "geoip_classic"
+#define GEOIP_ENGINE "geoip_mmdb"
 
 /* Generation version number (e.g.: 3 for Unreal3*) */
 #define UNREAL_VERSION_GENERATION 6