# $Id: Makefile.kmk 62481 2016-07-22 18:30:21Z vboxsync $
## @file
#

#
# Copyright (C) 2006-2016 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

VBOX_PATH_NAT_SRC := $(PATH_SUB_CURRENT)

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

ifdef VBOX_WITH_HARDENING
 PROGRAMS += VBoxNetLwipNATHardened
 DLLS += VBoxNetLwipNAT
else
 PROGRAMS += VBoxNetLwipNAT
endif

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

VBoxNetLwipNAT_TEMPLATE =
VBoxNetLwipNAT_TEMPLATE := VBOXMAIN$(if-expr defined(VBOX_WITH_HARDENING),DLL,CLIENTEXE)
VBoxNetLwipNAT_NAME = VBoxNetNAT
VBoxNetLwipNAT_DEFS += ${LWIP_DEFS} IPv6
# VBoxNetLwipNAT_DEFS.linux += WITH_VALGRIND # instrument lwip memp.c
VBoxNetLwipNAT_DEFS.win += VBOX_COM_OUTOFPROC_MODULE _WIN32_WINNT=0x501 # Windows XP
VBoxNetLwipNAT_SOURCES += VBoxNetLwipNAT.cpp	\
	$(VBOX_PATH_NAT_SRC)/../NetLib/VBoxNetBaseService.cpp \
	$(VBOX_PATH_NAT_SRC)/../NetLib/VBoxNetPortForwardString.cpp \
	$(VBOX_PATH_NAT_SRC)/../NetLib/VBoxNetIntIf.cpp \
	$(VBOX_PATH_NAT_SRC)/../NetLib/VBoxNetUDP.cpp \
	$(VBOX_PATH_NAT_SRC)/../NetLib/VBoxNetARP.cpp \
	$(VBOX_PATH_NAT_SRC)/../NetLib/ComHostUtils.cpp

VBoxNetLwipNAT_LIBS = \
	$(LIB_RUNTIME)
VBoxNetLwipNAT_LIBS.solaris += socket nsl
VBoxNetLwipNAT_LDFLAGS.win = /SUBSYSTEM:windows

# 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

VBoxNetLwipNAT_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)
 # unprivileged Icmp API
 VBoxNetLwipNAT_SOURCES += pxping_win.c
else
 # raw sockets
 VBoxNetLwipNAT_SOURCES += pxping.c
endif

# 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

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

VBoxNetLwipNAT_SOURCES.win += \
    RTWinPoll.cpp \
    RTWinSocketPair.cpp

VBoxNetLwipNAT_INCS += . # for lwipopts.h
$(eval $(call def_vbox_lwip_public, \
    VBoxNetLwipNAT, $(PATH_SUB_CURRENT)/../../Devices/Network/lwip-new))
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

include $(FILE_KBUILD_SUB_FOOTER)