migranting libtun2socks from 2dust/AndroidLibV2rayLite

.gitmodules

@@ -0,0 +1,6 @@
+[submodule "libancillary"]
+	path = libancillary
+	url = https://github.com/shadowsocks/libancillary
+[submodule "badvpn"]
+	path = badvpn
+	url = https://github.com/XTLS/badvpn.git

Makefile

@@ -0,0 +1,31 @@
+pb:
+	  go get -u github.com/golang/protobuf/protoc-gen-go
+		@echo "pb Start"
+asset:
+	mkdir -p assets data
+	bash gen_assets.sh download
+	cp -v data/*.dat assets/
+	#cd assets;curl https://raw.githubusercontent.com/2dust/AndroidLibV2rayLite/master/data/geosite.dat > geosite.dat		
+	#cd assets;curl https://raw.githubusercontent.com/2dust/AndroidLibV2rayLite/master/data/geoip.dat > geoip.dat
+
+fetchDep:
+	go get -v golang.org/x/mobile/cmd/...
+	mkdir -p $(shell go env GOPATH)/src/v2ray.com/core
+	git clone https://github.com/v2fly/v2ray-core.git $(shell go env GOPATH)/src/v2ray.com/core
+	go get -d github.com/2dust/AndroidLibV2rayLite
+
+ANDROID_HOME?=$(HOME)/android-sdk-linux
+export ANDROID_HOME
+PATH:=$(PATH):$(GOPATH)/bin
+export PATH
+downloadGoMobile:
+	cd ~ ;curl -L https://raw.githubusercontent.com/2dust/AndroidLibV2rayLite/master/ubuntu-cli-install-android-sdk.sh | sudo bash -
+	ls ~
+	ls ~/android-sdk-linux/
+
+BuildMobile:
+	gomobile init
+	gomobile bind -androidapi 19 -v -ldflags='-s -w' github.com/2dust/AndroidLibV2rayLite
+
+all: asset pb fetchDep
+	@echo DONE

compile-tun2socks.sh

@@ -0,0 +1,41 @@
+#!/bin/bash
+
+set -o errexit
+set -o pipefail
+set -o nounset
+
+# Set magic variables for current file & dir
+__dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+__file="${__dir}/$(basename "${BASH_SOURCE[0]}")"
+__base="$(basename ${__file} .sh)"
+
+if [[ ! -d $NDK_HOME ]]; then
+	echo "Android NDK: NDK_HOME not found. please set env \$NDK_HOME"
+	exit 1
+fi
+
+TMPDIR=$(mktemp -d)
+clear_tmp () {
+  rm -rf $TMPDIR
+}
+
+trap 'echo -e "Aborted, error $? in command: $BASH_COMMAND"; trap ERR; clear_tmp; exit 1' ERR INT
+install -m644 $__dir/tun2socks.mk $TMPDIR/
+
+pushd $TMPDIR
+ln -s $__dir/badvpn badvpn
+ln -s $__dir/libancillary libancillary
+$NDK_HOME/ndk-build \
+	NDK_PROJECT_PATH=. \
+	APP_BUILD_SCRIPT=./tun2socks.mk \
+	APP_ABI=all \
+	APP_PLATFORM=android-19 \
+	NDK_LIBS_OUT=$TMPDIR/libs \
+	NDK_OUT=$TMPDIR/tmp \
+	APP_SHORT_COMMANDS=false LOCAL_SHORT_COMMANDS=false -B -j4 \
+        LOCAL_LDFLAGS=-Wl,--build-id=none
+
+tar cvfz $__dir/libtun2socks.so.tgz libs
+popd
+
+rm -rf $TMPDIR

tun2socks.mk

@@ -0,0 +1,137 @@
+# Copyright (C) 2009 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+#
+LOCAL_PATH := $(call my-dir)
+ROOT_PATH := $(LOCAL_PATH)
+
+########################################################
+## libancillary
+########################################################
+
+include $(CLEAR_VARS)
+
+ANCILLARY_SOURCE := fd_recv.c fd_send.c
+
+LOCAL_MODULE := libancillary
+#LOCAL_CFLAGS += -I$(LOCAL_PATH)/libancillary
+LOCAL_C_INCLUDES := $(LOCAL_PATH)/libancillary
+LOCAL_SRC_FILES := $(addprefix libancillary/, $(ANCILLARY_SOURCE))
+
+include $(BUILD_STATIC_LIBRARY)
+
+########################################################
+## tun2socks
+########################################################
+
+include $(CLEAR_VARS)
+
+LOCAL_CFLAGS := -std=gnu99
+LOCAL_CFLAGS += -DBADVPN_THREADWORK_USE_PTHREAD -DBADVPN_LINUX -DBADVPN_BREACTOR_BADVPN -D_GNU_SOURCE
+LOCAL_CFLAGS += -DBADVPN_USE_SIGNALFD -DBADVPN_USE_EPOLL
+LOCAL_CFLAGS += -DBADVPN_LITTLE_ENDIAN -DBADVPN_THREAD_SAFE
+LOCAL_CFLAGS += -DNDEBUG -DANDROID
+LOCAL_CFLAGS += -I
+
+LOCAL_STATIC_LIBRARIES := libancillary
+
+LOCAL_C_INCLUDES := \
+	$(LOCAL_PATH)/badvpn/libancillary \
+        $(LOCAL_PATH)/badvpn/lwip/src/include/ipv4 \
+        $(LOCAL_PATH)/badvpn/lwip/src/include/ipv6 \
+        $(LOCAL_PATH)/badvpn/lwip/src/include \
+        $(LOCAL_PATH)/badvpn/lwip/custom \
+        $(LOCAL_PATH)/badvpn \
+	$(LOCAL_PATH)/libancillary
+
+TUN2SOCKS_SOURCES := \
+        base/BLog_syslog.c \
+        system/BReactor_badvpn.c \
+        system/BSignal.c \
+        system/BConnection_common.c \
+        system/BConnection_unix.c \
+        system/BTime.c \
+        system/BUnixSignal.c \
+        system/BNetwork.c \
+        flow/StreamRecvInterface.c \
+        flow/PacketRecvInterface.c \
+        flow/PacketPassInterface.c \
+        flow/StreamPassInterface.c \
+        flow/SinglePacketBuffer.c \
+        flow/BufferWriter.c \
+        flow/PacketBuffer.c \
+        flow/PacketStreamSender.c \
+        flow/PacketPassConnector.c \
+        flow/PacketProtoFlow.c \
+        flow/PacketPassFairQueue.c \
+        flow/PacketProtoEncoder.c \
+        flow/PacketProtoDecoder.c \
+        socksclient/BSocksClient.c \
+        tuntap/BTap.c \
+        lwip/src/core/udp.c \
+        lwip/src/core/memp.c \
+        lwip/src/core/init.c \
+        lwip/src/core/pbuf.c \
+        lwip/src/core/tcp.c \
+        lwip/src/core/tcp_out.c \
+        lwip/src/core/netif.c \
+        lwip/src/core/def.c \
+        lwip/src/core/ip.c \
+        lwip/src/core/mem.c \
+        lwip/src/core/tcp_in.c \
+        lwip/src/core/stats.c \
+        lwip/src/core/inet_chksum.c \
+        lwip/src/core/timeouts.c \
+        lwip/src/core/ipv4/icmp.c \
+        lwip/src/core/ipv4/igmp.c \
+        lwip/src/core/ipv4/ip4_addr.c \
+        lwip/src/core/ipv4/ip4_frag.c \
+        lwip/src/core/ipv4/ip4.c \
+        lwip/src/core/ipv4/autoip.c \
+        lwip/src/core/ipv6/ethip6.c \
+        lwip/src/core/ipv6/inet6.c \
+        lwip/src/core/ipv6/ip6_addr.c \
+        lwip/src/core/ipv6/mld6.c \
+        lwip/src/core/ipv6/dhcp6.c \
+        lwip/src/core/ipv6/icmp6.c \
+        lwip/src/core/ipv6/ip6.c \
+        lwip/src/core/ipv6/ip6_frag.c \
+        lwip/src/core/ipv6/nd6.c \
+        lwip/custom/sys.c \
+        tun2socks/tun2socks.c \
+        base/DebugObject.c \
+        base/BLog.c \
+        base/BPending.c \
+		system/BDatagram_unix.c \
+        flowextra/PacketPassInactivityMonitor.c \
+        tun2socks/SocksUdpGwClient.c \
+        udpgw_client/UdpGwClient.c
+
+LOCAL_MODULE := tun2socks
+
+LOCAL_LDLIBS := -ldl -llog
+
+LOCAL_SRC_FILES := $(addprefix badvpn/, $(TUN2SOCKS_SOURCES))
+
+LOCAL_BUILD_SCRIPT := BUILD_EXECUTABLE
+LOCAL_MAKEFILE     := $(local-makefile)
+$(call check-defined-LOCAL_MODULE,$(LOCAL_BUILD_SCRIPT))
+$(call check-LOCAL_MODULE,$(LOCAL_MAKEFILE))
+$(call check-LOCAL_MODULE_FILENAME)
+# we are building target objects
+my := TARGET_
+$(call handle-module-filename,lib,$(TARGET_SONAME_EXTENSION))
+$(call handle-module-built)
+LOCAL_MODULE_CLASS := EXECUTABLE
+include $(BUILD_SYSTEM)/build-module.mk

ubuntu-cli-install-android-sdk.sh

@@ -0,0 +1,79 @@
+#!/bin/bash
+
+# Thanks to https://gist.github.com/wenzhixin/43cf3ce909c24948c6e7
+# Execute this script in your home directory. Lines 17 and 21 will prompt you for a y/n
+
+# Install Oracle JDK 8
+apt-get update
+apt-get install -y openjdk-8-jdk
+apt-get install -y unzip make expect # NDK stuff
+
+# Get SDK tools (link from https://developer.android.com/studio/index.html#downloads)
+wget -q https://dl.google.com/android/repository/sdk-tools-linux-3859397.zip
+mkdir android-sdk-linux
+unzip sdk*.zip -d android-sdk-linux
+
+# Get NDK (https://developer.android.com/ndk/downloads/index.html)
+# wget -q https://dl.google.com/android/repository/android-ndk-r15c-linux-x86_64.zip
+# unzip android-ndk*.zip >> /dev/null
+
+ACCEPT_LICENSES_URL=https://gist.githubusercontent.com/xiaokangwang/1489fd223d26581bfec92adb3cb0088e/raw/328eb6925099df5aae3e76790f8232f0fc378f8b/accept-licenses
+
+ACCEPT_LICENSES_ITEM="android-sdk-license-bcbbd656|intel-android-sysimage-license-1ea702d1|android-sdk-license-2742d1c5"
+
+# Let it update itself and install some stuff
+cd android-sdk-linux/tools
+
+curl -L -o accept-licenses $ACCEPT_LICENSES_URL
+
+chmod +x accept-licenses
+
+./accept-licenses "./android update sdk --use-sdk-wrapper --all --no-ui" $ACCEPT_LICENSES_ITEM  >/dev/null
+
+# Download every build-tools version that has ever existed
+# This will save you time! Thank me later for this
+
+#./accept-licenses "./android update sdk --use-sdk-wrapper --all --no-ui --filter 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27" $ACCEPT_LICENSES_ITEM
+
+PACKAGE_PARSE_URL=https://gist.githubusercontent.com/xiaokangwang/06268fb23034ed94bc301880e862da09/raw/afd95cbbe2f8c1d9e7b0277b7c5ef39af756a6ee/parse.awk
+
+reduceout=https://gist.githubusercontent.com/xiaokangwang/4684bdb5c3415b943f52aa4803386480/raw/b46dab1cc60f02c0d87f88f01e27157034218faa/out.awk
+
+cd bin
+
+curl -L -o parse.awk $PACKAGE_PARSE_URL
+
+curl -L -o reduce.awk $reduceout
+
+sudo apt-get install gawk
+
+./sdkmanager --verbose --list |awk -f parse.awk > ~/package_to_install
+
+readarray -t filenames < $HOME/package_to_install
+
+cat $HOME/package_to_install
+
+yes|./sdkmanager --verbose "${filenames[@]}" |awk -f reduce.awk
+
+# If you need additional packages for your app, check available packages with:
+# ./android list sdk --all
+
+# install certain packages with:
+# ./android update sdk --no-ui --all --filter 1,2,3,<...>,N
+# where N is the number of the package in the list (see previous command)
+
+./sdkmanager "ndk-bundle"
+
+# Add the directory containing executables in PATH so that they can be found
+echo 'export ANDROID_HOME=$HOME/android-sdk-linux' >> ~/.bashrc
+echo 'export PATH=$PATH:$ANDROID_HOME/tools:$ANDROID_HOME/platform-tools' >> ~/.bashrc
+# echo 'export NDK_HOME=$HOME/android-ndk-r15c' >> ~/.bashrc
+# echo 'export ANDROID_NDK_HOME=$NDK_HOME' >> ~/.bashrc
+
+
+source ~/.bashrc
+
+# Make sure you can execute 32 bit executables if this is 64 bit machine, otherwise skip this
+dpkg --add-architecture i386
+apt-get update
+apt-get install -y libc6:i386 libstdc++6:i386 zlib1g:i386 lib32z1 expect