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# $Id$
## @file
# Sub-makefile for NAT Networking
#
#
# Copyright (C) 2006-2022 Oracle and/or its affiliates.
#
# This file is part of VirtualBox base platform packages, as
# available from https://www.virtualbox.org.
#
# 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
ifdef VBOX_WITH_LWIP_NAT # entire file
ifndef LWIP_SOURCES
include $(PATH_SUB_CURRENT)/../../Devices/Network/lwip-new/Config.kmk
endif
#
# Globals
#
VBOX_PATH_NAT_SRC := $(PATH_SUB_CURRENT)
#
# 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 := $(if-expr defined(VBOX_WITH_HARDENING),VBOXMAINDLL,VBOXMAINCLIENTEXE)
VBoxNetNAT_NAME := VBoxNetNAT
VBoxNetNAT_DEFS = IPv6
# VBoxNetNAT_DEFS.linux = WITH_VALGRIND # instrument lwip memp.c
VBoxNetNAT_DEFS.win = VBOX_COM_OUTOFPROC_MODULE _WIN32_WINNT=0x501 # Windows XP
# Convince Solaris headers to expose socket stuff we need.
#
# Setting _XOPEN_SOURCE to either 500 or 600 would always work, but
# <sys/feature_tests.h> insists that 600 requires C99 and so it
# explodes for older g++. It also insists that 500 is NOT to be used
# with C99.
#
# Newer g++ in C++11 mode (formerly known as C++0x) needs 600, so it
# employs sleight of hand to pretend it's C99 to keep feature test
# happy.
#
# Compile the C code with settings that match g++. This probably
# should be centralized so that whole codebase uses consistent
# settings.
ifeq ($(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
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
endif # VBOX_WITH_LWIP_NAT
include $(FILE_KBUILD_SUB_FOOTER)
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