# $Id: Makefile.kmk $
## @file
# Sub-makefile for NAT Networking
#

#
# Copyright (C) 2006-2019 Oracle Corporation
#
# This file is part of VirtualBox Open Source Edition (OSE), as
# available from http://www.virtualbox.org. This file is free software;
# you can redistribute it and/or modify it under the terms of the GNU
# General Public License (GPL) as published by the Free Software
# Foundation, in version 2 as it comes in the "COPYING" file of the
# VirtualBox OSE distribution. VirtualBox OSE is distributed in the
# hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
#

SUB_DEPTH = ../../../..
include $(KBUILD_PATH)/subheader.kmk
ifdef VBOX_WITH_LWIP_NAT

VBOX_PATH_NAT_SRC := $(PATH_SUB_CURRENT)

 # XXX: do not depend on order
 ifndef LWIP_SOURCES
  include $(PATH_SUB_CURRENT)/../../Devices/Network/lwip-new/Config.kmk
 endif


 ifdef VBOX_WITH_HARDENING
  #
  # Hardened stub exe for VBoxNetLwipNAT.
  #
  PROGRAMS += VBoxNetLwipNATHardened
  VBoxNetLwipNATHardened_TEMPLATE = VBOXR3HARDENEDEXE
  VBoxNetLwipNATHardened_NAME     = VBoxNetNAT
  VBoxNetLwipNATHardened_DEFS     = SERVICE_NAME=\"VBoxNetNAT\"
  VBoxNetLwipNATHardened_SOURCES  = VBoxNetNATHardened.cpp
  VBoxNetLwipNATHardened_SOURCES.win = $(VBoxNetLwipNAT_0_OUTDIR)/VBoxNetLwipNAT-icon.rc
  VBoxNetLwipNATHardened_LDFLAGS.win = /SUBSYSTEM:windows
 endif


 #
 # VBoxNetLwipNAT.
 #
 ifdef VBOX_WITH_HARDENING
  DLLS += VBoxNetLwipNAT
 else
  PROGRAMS += VBoxNetLwipNAT
 endif
 VBoxNetLwipNAT_TEMPLATE := $(if-expr defined(VBOX_WITH_HARDENING),VBOXMAINDLL,VBOXMAINCLIENTEXE)
 VBoxNetLwipNAT_NAME     := VBoxNetNAT
 VBoxNetLwipNAT_DEFS      = IPv6
 # VBoxNetLwipNAT_DEFS.linux = WITH_VALGRIND # instrument lwip memp.c
 VBoxNetLwipNAT_DEFS.win  = VBOX_COM_OUTOFPROC_MODULE _WIN32_WINNT=0x501 # Windows XP
 # Convince Solaris headers to expose socket stuff we need.
 #
 # Setting _XOPEN_SOURCE to either 500 or 600 would always work, but
 # <sys/feature_tests.h> insists that 600 requires C99 and so it
 # explodes for older g++.  It also insists that 500 is NOT to be used
 # with C99.
 #
 # Newer g++ in C++11 mode (formerly known as C++0x) needs 600, so it
 # employs sleight of hand to pretend it's C99 to keep feature test
 # happy.
 #
 # Compile the C code with settings that match g++.  This probably
 # should be centralized so that whole codebase uses consistent
 # settings.
 ifeq ($(KBUILD_TARGET),solaris)
  ifneq ($(VBOX_GCC_VERSION_CXX),)
   ifneq ($(int-ge $(VBOX_GCC_VERSION_CXX),40600),)
    # we compile C++ code with -std=c++0x / -std=c++11
    VBoxNetLwipNAT_CFLAGS.solaris += -std=c99
    VBoxNetLwipNAT_DEFS.solaris += _XOPEN_SOURCE=600
   else
    VBoxNetLwipNAT_DEFS.solaris += _XOPEN_SOURCE=500
   endif
  endif
  VBoxNetLwipNAT_DEFS.solaris += __EXTENSIONS__=1
 endif

 # (current dir is for for lwipopts.h)
 VBoxNetLwipNAT_INCS += . $(addprefix ../../Devices/Network/lwip-new/,$(LWIP_INCS))

 VBoxNetLwipNAT_SOURCES = \
 	VBoxNetLwipNAT.cpp \
 	../NetLib/VBoxNetBaseService.cpp \
 	../NetLib/VBoxNetPortForwardString.cpp \
 	../NetLib/VBoxNetIntIf.cpp \
 	../NetLib/VBoxNetUDP.cpp \
 	../NetLib/VBoxNetARP.cpp \
 	../NetLib/ComHostUtils.cpp \
 	$(addprefix ../../Devices/Network/lwip-new/,$(LWIP_SOURCES)) \
 	proxy_pollmgr.c \
 	proxy_rtadvd.c \
 	proxy.c \
 	pxremap.c \
 	pxtcp.c \
 	pxudp.c \
 	pxdns.c \
 	fwtcp.c \
 	fwudp.c \
 	portfwd.c \
 	proxy_dhcp6ds.c \
 	proxy_tftpd.c

 ifeq ($(KBUILD_TARGET),win)
  VBoxNetLwipNAT_SOURCES += pxping_win.c # unprivileged Icmp API
 else
  VBoxNetLwipNAT_SOURCES += pxping.c     # raw sockets
 endif

 VBoxNetLwipNAT_SOURCES.darwin  += rtmon_bsd.c
 VBoxNetLwipNAT_SOURCES.freebsd += rtmon_bsd.c
 VBoxNetLwipNAT_SOURCES.linux   += rtmon_linux.c
 VBoxNetLwipNAT_SOURCES.solaris += rtmon_bsd.c
 VBoxNetLwipNAT_SOURCES.win     += \
 	rtmon_win.c \
 	RTWinPoll.cpp \
 	RTWinSocketPair.cpp

 VBoxNetLwipNAT_LIBS = \
 	$(LIB_RUNTIME)
 VBoxNetLwipNAT_LIBS.solaris += socket nsl

 VBoxNetLwipNAT_LDFLAGS.win = /SUBSYSTEM:windows

 # ifeq ($(VBOX_WITH_HARDENING),)
 #  ifn1of ($(KBUILD_TARGET), darwin win)
 #   # helper for debugging unprivileged
 #   VBoxNetLwipNAT_DEFS += VBOX_RAWSOCK_DEBUG_HELPER
 #   VBoxNetLwipNAT_SOURCES += getrawsock.c
 #  endif
 # endif

 ifeq ($(KBUILD_TARGET),win)
  # Icon include file.
  VBoxNetLwipNAT_SOURCES  += VBoxNetNAT.rc
  VBoxNetNAT.rc_INCS       = $(VBoxNetLwipNAT_0_OUTDIR)
  VBoxNetNAT.rc_DEPS       = $(VBoxNetLwipNAT_0_OUTDIR)/VBoxNetLwipNAT-icon.rc
  VBoxNetNAT.rc_CLEAN      = $(VBoxNetLwipNAT_0_OUTDIR)/VBoxNetLwipNAT-icon.rc
  $$(VBoxNetLwipNAT_0_OUTDIR)/VBoxNetLwipNAT-icon.rc: $(VBOX_WINDOWS_ICON_FILE) $$(VBoxNetLwipNAT_DEFPATH)/Makefile.kmk | $$(dir $$@)
	$(RM) -f $@
	$(APPEND) $@ 'IDI_VIRTUALBOX ICON DISCARDABLE "$(subst /,\\,$(VBOX_WINDOWS_ICON_FILE))"'
 endif # win

endif # VBOX_WITH_LWIP_NAT
include $(FILE_KBUILD_SUB_FOOTER)