source: vbox/trunk/src/VBox/NetworkServices/NAT/Makefile.kmk

# $Id: Makefile.kmk 109110 2025-04-29 13:52:19Z vboxsync $
## @file
# Sub-makefile for NAT Networking
#

#
# Copyright (C) 2006-2024 Oracle and/or its affiliates.
#
# This file is part of VirtualBox base platform packages, as
# available from https://www.215389.xyz.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation, in version 3 of the
# License.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <https://www.gnu.org/licenses>.
#
# SPDX-License-Identifier: GPL-3.0-only
#

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

#
# Hardened stub exe for VBoxNetNAT.
#
ifdef VBOX_WITH_HARDENING
 PROGRAMS += VBoxNetNATHardened
 VBoxNetNATHardened_TEMPLATE = VBoxR3HardenedExe
 VBoxNetNATHardened_NAME   = VBoxNetNAT
 ifdef VBOX_WITH_AUTOMATIC_DEFS_QUOTING
  VBoxNetNATHardened_DEFS  = SERVICE_NAME="VBoxNetNAT"
 else
  VBoxNetNATHardened_DEFS  = SERVICE_NAME=\"VBoxNetNAT\"
 endif
 VBoxNetNATHardened_SOURCES = VBoxNetNATHardened.cpp
 VBoxNetNATHardened_LDFLAGS.win = /SUBSYSTEM:windows
 $(call VBOX_SET_VER_INFO_EXE,VBoxNetNATHardened,VirtualBox NAT Engine,$(VBOX_WINDOWS_ICON_FILE)) # Version info / description.
endif


#
# VBoxNetNAT.
#
ifdef VBOX_WITH_HARDENING
 DLLS   += VBoxNetNAT
else
 PROGRAMS += VBoxNetNAT
endif
VBoxNetNAT_TEMPLATE := $(if-expr defined(VBOX_WITH_HARDENING),VBoxMainDll,VBoxMainClientSignedExe)
VBoxNetNAT_NAME    := VBoxNetNAT
VBoxNetNAT_DEFS     = \
        IPv6 \
        $(if $(VBOX_WITH_INTNET_SERVICE_IN_R3),VBOX_WITH_INTNET_SERVICE_IN_R3,) \
        $(if $(VBOX_WITH_LWIP_NAT),VBOX_WITH_LWIP_NAT,)

# VBoxNetNAT_DEFS.linux = WITH_VALGRIND # instrument lwip memp.c

ifdef VBOX_WITH_LWIP_NAT

 ifndef LWIP_SOURCES
  include $(PATH_SUB_CURRENT)/../../Devices/Network/lwip-new/Config.kmk
 endif

 VBoxNetNAT_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),)
   if $(VBOX_GCC_VERSION_CXX) >= 40600
    # we compile C++ code with -std=c++0x / -std=c++11
    VBoxNetNAT_CFLAGS.solaris += -std=c99
    VBoxNetNAT_DEFS.solaris += _XOPEN_SOURCE=600
   else
    VBoxNetNAT_DEFS.solaris += _XOPEN_SOURCE=500
   endif
  endif
  VBoxNetNAT_DEFS.solaris += __EXTENSIONS__=1
 endif

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

 VBoxNetNAT_SOURCES = \
        VBoxNetLwipNAT.cpp \
        ../NetLib/IntNetIf.cpp \
        ../NetLib/VBoxNetPortForwardString.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)
  VBoxNetNAT_SOURCES += pxping_win.c # unprivileged Icmp API
 else
  VBoxNetNAT_SOURCES      += pxping.c     # raw sockets
  VBoxNetNAT_CFLAGS.linux += -Wno-address-of-packed-member # Needed for GCC 9.
 endif

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

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

 VBoxNetNAT_LDFLAGS.win = /SUBSYSTEM:windows

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

 VBoxNetNAT_DEFS.win = VBOX_COM_OUTOFPROC_MODULE

 VBoxNetNAT_INCS += \
        $(PATH_ROOT)/src/libs/libslirp-4.9.0/src \
        $(PATH_OUT)/obj/VBox-libslirp

 VBoxNetNAT_SOURCES = \
        VBoxNetSlirpNAT.cpp \
        ../NetLib/IntNetIf.cpp \
        ../NetLib/VBoxNetPortForwardString.cpp

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

 VBoxNetNAT_LIBS = \
        $(PATH_STAGE_LIB)/VBox-libslirp$(VBOX_SUFF_LIB) \
        $(LIB_RUNTIME)
 VBoxNetNAT_LIBS.solaris += socket nsl
 VBoxNetNAT_LIBS.darwin += resolv

 VBoxNetNAT_LDFLAGS.win = /SUBSYSTEM:windows
endif # VBOX_WITH_LWIP_NAT

ifdef VBOX_WITH_HARDENING
 $(call VBOX_SET_VER_INFO_DLL,VBoxNetNAT,VirtualBox NAT Engine (dll),$(VBOX_WINDOWS_ICON_FILE)) # Version info / description.
else
 $(call VBOX_SET_VER_INFO_EXE,VBoxNetNAT,VirtualBox NAT Engine,$(VBOX_WINDOWS_ICON_FILE)) # Version info / description.
endif

include $(FILE_KBUILD_SUB_FOOTER)