Add skeleton for module and userspace iptables management

Special thanks to https://github.com/drivenets/iptables_extensions
repository with detailed explanations of iptables userspace interaction
with the kernel module.

kmake.mk

@@ -1,26 +1,42 @@
 #Kernel module makes here
 PWD := $(CURDIR)
 
-override CC		:= $(OCC) 
-override LD		:= $(OLD)
-override CFLAGS		:=
-override LDFLAGS	:=
+CC	:= gcc 
+CCLD	:= $(CC)
+LD	:= ld
+CFLAGS	:=
+LDFLAGS	:=
 
-export CC LD CFLAGS LDFLAGS
+IPT_CFLAGS := -Wall -Wpedantic -O2
 
-.PHONY: kmake kload kunload kreload kclean
-kmake:
+.PHONY: kmake kload kunload kreload kclean kmclean xclean
+kmake: kmod xmod
+
+kmod:
 	$(MAKE) -C /lib/modules/$(shell uname -r)/build M=$(PWD) modules
 
+xmod: libipt_YTUNBLOCK.so
+
+libipt_YTUNBLOCK.so: libipt_YTUNBLOCK.o
+	$(CCLD) -shared -fPIC ${IPT_CFLAGS} -o $@ $^;
+
+libipt_YTUNBLOCK.o: libipt_YTUNBLOCK.c
+	$(CC) ${IPT_CFLAGS} -D_INIT=lib$*_init -fPIC -c -o $@ $<;
+
 kload:
-	insmod youtubeKUnblock.ko
+	insmod ipt_YTUNBLOCK.ko
+	cp ./libipt_YTUNBLOCK.so /usr/lib/xtables/
 
 kunload:
-	-rmmod youtubeKUnblock
+	-rmmod ipt_YTUNBLOCK
+	-/bin/rm /usr/lib/xtables/libipt_YTUNBLOCK.so
 
 kreload: kunload kload
 
-kclean:
-	$(MAKE) -C /lib/modules/$(shell uname -r)/build M=$(PWD) clean
+kclean: xtclean kmclean
 
+kmclean:
+	-$(MAKE) -C /lib/modules/$(shell uname -r)/build M=$(PWD) clean
 
+xtclean:
+	-/bin/rm -f libipt_YTUNBLOCK.so libipt_YTUNBLOCK.o