From 3d1a5932297c8b6cd6acc9fcb5876c1db5a66a00 Mon Sep 17 00:00:00 2001
From: Andreas Hrubak <ad132454@uucp.hu>
Date: Thu, 21 Apr 2022 01:25:36 +0200
Subject: [PATCH] footgun was shot

---
 src/Makefile    |  4 ++++
 src/xopenhook.c | 10 +++++++++-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/Makefile b/src/Makefile
index 4978c45..ef4bf06 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -78,3 +78,7 @@ connredir.so:
 autossl.so:
 	gcc $(CCFLAGS) $(basename $@).c -D_GNU_SOURCE -ldl -lbsd -shared -fPIC -o $@
 	chmod -x $@
+
+xopenhook.so:
+	gcc $(CCFLAGS) $(basename $@).c -D_GNU_SOURCE -ldl -shared -fPIC -o $@
+	chmod -x $@
diff --git a/src/xopenhook.c b/src/xopenhook.c
index 045262d..020790d 100644
--- a/src/xopenhook.c
+++ b/src/xopenhook.c
@@ -13,6 +13,14 @@ Display* XOpenDisplay(const char * display_name)
 {
 	Display* (*real_XOpenDisplay)(const char *) = dlsym(RTLD_NEXT, "XOpenDisplay");
 	Display* display_handle = real_XOpenDisplay(display_name);
-	if(display_handle != NULL) system(getenv("XOPENHOOK_COMMAND"));
+	
+	char * xopenhook_enable = getenv("XOPENHOOK_ENABLE");
+	if(xopenhook_enable != NULL && strcmp(xopenhook_enable, "1")==0)
+	{
+		unsetenv("XOPENHOOK_ENABLE");
+		if(display_handle != NULL) system(getenv("XOPENHOOK_COMMAND"));
+		setenv("XOPENHOOK_ENABLE", xopenhook_enable, 1);
+	}
+	
 	return display_handle;
 }
-- 
2.11.4.GIT