gfw3proxy.sh 0.2

#! /bin/bash
# $Author: twfcc@twitter
# $PROG: gfw3proxy.sh
# $description: install gfw.press & 3proxy
# Public domain use as your own risk!
# Test on debian 8 jessie x86_64 Vmware VPS
# You must execute gfw.press by manual
# input: gfw.press/server.sh after script finished.
# $date: May 09, 2016

export LANGUAGE=C
export LC_ALL=C
export PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"

trap cleanup INT
[ $(pwd) != /root ] && cd $HOME

[ $UID -ne 0 ] && {
    echo "Execute this script must be root." >&2 ;
    exit 1 ;
}

myip=$(wget -qO - v4.ifconfig.co)

cleanup(){
    kill $(ps aux | grep 3proxy | grep -v grep | awk '{print $2}') 2> /dev/null
    rm -rf "$HOME/3proxy" ;
    rm -rf "$HOME/gfw.press" ;
    rm -rf /usr/local/etc/3proxy/ ;
    update-rc.d -f 3proxyinit remove ;
    rm -f /etc/init.d/3proxyinit ;
    exit 1
}

3proxy_install(){
    git clone https://github.com/z3APA3A/3proxy.git ;
    [ $? -eq 0 ] || {
        echo "Clone 3proxy.git failed.exiting..." >&2 ;
        exit 1 ;
    }
    cd 3proxy/ || {
        echo "Cannot change to 3proxy directory." >&2 ;
        exit 1 ;
    }
    make -f Makefile.Linux ;
    [ $? -eq 0 ] && cd src/ ;
    mkdir -p /usr/local/etc/3proxy/bin/ ;
    install 3proxy /usr/local/etc/3proxy/bin/3proxy ;
    install mycrypt /usr/local/etc/3proxy/bin/mycrypt ;
    touch /usr/local/etc/3proxy/3proxy.cfg ;
    mkdir -p /usr/local/etc/3proxy/log/ ;
    chown -R root:root /usr/local/etc/3proxy/ ;
    chown -R 65535 /usr/local/etc/3proxy/log/ ;
    touch /usr/local/etc/3proxy/3proxy.pid ;
    chown 65535 /usr/local/etc/3proxy/3proxy.pid ;
    local cfg
    cfg="/usr/local/etc/3proxy/3proxy.cfg"
    cat >"$cfg"<<EOF
nscache 65536
nserver 8.8.8.8
timeouts 1 5 30 60 180 1800 15 60
daemon
pidfile 3proxy.pid
config 3proxy.cfg
monitor 3proxy.cfg
log log/3proxy.log D
logformat "L%d-%m-%Y %H:%M:%S %z %N.%p %E %U %C:%c %R:%r %O %I %h %T"
rotate 30
auth none
allow * * * 80-88,8080-8088
allow * * * 443,8443
allow * * * 5222,5223,5228
allow * * * 465,587,995
proxy -i127.0.0.1 -a -p3128
flush
chroot /usr/local/etc/3proxy/
setgid 65535
setuid 65535

EOF

    cd /etc/init.d/ || {
        echo "Cannot change to /etc/init.d/ directory." >&2 ;
        exit 1 ;
    }
    cat >3proxyinit<<EOF
#! /bin/sh
#
### BEGIN INIT INFO
# Provides: 3Proxy
# Required-Start: $remote_fs $syslog
# Required-Stop: $remote_fs $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Initialize 3proxy server
# Description: starts 3proxy
### END INIT INFO

cd /usr/local/etc/3proxy/
case "\$1" in
    start)  echo "Starting 3Proxy" ;
        /usr/local/etc/3proxy/bin/3proxy /usr/local/etc/3proxy/3proxy.cfg
         ;;
     stop)  echo "Stopping 3Proxy" ;
        kill `ps aux | grep 3proxy | grep -v grep | awk '{print \$2}'`
        ;;
        *)  echo Usage: \\\$0 "{start|stop}" ;
        exit 1 ;
        ;;
esac
exit 0

EOF

    if [ -e 3proxyinit ] ; then
        bash -n 3proxyinit > /dev/null 2>&1 ;
        [ $? -eq 0 ] && {
            chmod +x 3proxyinit ;
            update-rc.d 3proxyinit defaults ;
        } || {
            echo "3proxyinit script is something wrong." >&2 ;
            exit 1 ;
        }
        cd "$HOME" ;
        /etc/init.d/3proxyinit start ;
    else
        echo "3proxyinit script is not exist." >&2 ;
        exit 1
    fi
}

gfw_press_install() {
    git clone https://github.com/chinashiyu/gfw.press.git ;
    [ $? -eq 0 ] && cd gfw.press || {
        echo "Clone gfw.press failed.exiting..." >&2 ;
        exit 1 ;
    }
    pw=$(genpass)
    port=$(genport)
    echo "$port $pw" > user.txt ;
    cp -f server.sh server.org ;
    sed -i 's/ -Xm[a-z][0-9]\{1,4\}M//g' server.sh ;
    chmod +x server.sh
}

genpass(){
    local i j l u d c count pw
    i=0
    j=1
    u=0
    l=0
    d=0
    pw=$(openssl rand -base64 32 | tr -d '+/0oO=' | cut -c3-18)
    count=${#pw}
    while true ; do
         c=${pw:$i:1}
        [[ "$c" =~ [A-Z] ]] && ((u++))
        [[ "$c" =~ [a-z] ]] && ((l++))
        [[ "$c" =~ [0-9] ]] && ((d++))
        if (($u > 0)) && (($l > 0)) && (($d > 0)) ; then
            break
        fi
        ((i++))
        ((j++))
        if ((j == count)) ; then
            unset pw i j u l c d count
            local i j u l c d count pw
            i=0
            j=1
            u=0
            l=0
            d=0
            pw=$(openssl rand -base64 32 | tr -d '/+0oO' |cut -c3-18)
            count=${#pw}
        fi
    done
    echo "$pw"
}

genport(){
    local pick count port
    pick=($(for i in {19901..19999} ;do echo $i ;done))
    count=${#pick[@]}
    port=${pick[$((RANDOM%count-1))]}
    echo "$port"
}

apt-get update && apt-get upgrade -y
apt-get install openssl openjdk-7-jre git build-essential libssl-dev -y
3proxy_install
gfw_press_install
echo ""
echo "Public IP: $myip"
echo "Port: $port"
echo "Password: $pw"
echo ""
echo "Runing gfw.press by manual,"
echo "input: gfw.press/server.sh"
echo "Check gfw.press server status,"
echo "input: cat gfw.press/server.log or"
echo "input: netstat -nlp "
echo "Enjoy"
exit 0