install.sh

#!/bin/bash

# global param
gport=9797
gpasswd=default_password
workspace=/etc/ssmini

function getConfParam() {

        while true; do

                read -p "listen port:" port
                read -p "password:" passwd
                echo
                echo "+++++++++++++++++++++++"
                echo "listen port: $port"
                echo "password : $passwd"
                echo "-----------------------"
                echo

                read -r -p "Are You Sure? [Y/n] " input

                case $input in
                [yY][eE][sS] | [yY])
                        echo "Yes"
                        gport=$port
                        gpasswd=$passwd
                        # ./test -port $port -passwd $passwd
                        return 0
                        ;;

                [nN][oO] | [nN])
                        echo "restart \n"
                        ;;
                *)
                        echo "Invalid input..."
                        ;;
                esac
        done
}

function genSSminiConf() {

        if [ ! -d "$workspace" ]; then
                mkdir $workspace
        fi
        if [ ! -d "$workspace/log" ]; then
                mkdir $workspace/log
        fi

        chmod -R 777 $workspace

        touch conf.json
        echo "{" >>conf.json
        echo "  \"listen_port\":\"$gport\",   " >>conf.json
        echo "  \"password\":\"$gpasswd\",   " >>conf.json
        echo "  \"method\":\"AEAD_CHACHA20_POLY1305\",   " >>conf.json
        echo "  \"logdir\":\"$workspace/log\"   " >>conf.json
        echo "}" >>conf.json

        mv -f conf.json $workspace
}

function downloadExec() {

        if [ -f "/usr/local/bin/ssmini" ]; then
                rm "/usr/local/bin/ssmini"
        fi

        wget --tries=5 --timeout=3 -cO /usr/local/bin/ssmini https://github.com/Howard0o0/shadowsocks-mini/releases/download/v3.1/ssmini
        if [ $? != 0 ]; then
                echo "download ssmini failed, please check your network situation and try again"
                exit 1
        fi

        chmod +x /usr/local/bin/ssmini
        echo "export PATH=$PATH:/usr/local/bin" >>/etc/profile
        source /etc/profile
}

function genSysctlConf() {

        touch ssmini.service

        echo "[Unit]" >>ssmini.service
        echo "Description=\"ssmini daemonize systemd\"" >>ssmini.service
        echo "After=network.target" >>ssmini.service
        echo "After=network-online.target" >>ssmini.service
        echo "Wants=network-online.target" >>ssmini.service
        echo >>ssmini.service
        echo "[Service]" >>ssmini.service
        echo "ExecStart=/usr/local/bin/ssmini /etc/ssmini/conf.json" >>ssmini.service
        echo >>ssmini.service
        echo "[Install]" >>ssmini.service
        echo "WantedBy=multi-user.target" >>ssmini.service

        mv -f ssmini.service /etc/systemd/system/
}

# 查看当前用户是否为root
function checkUser() {

        if [ "$(whoami)" == "root" ]; then
                return 0
        fi

        echo "current user is not root, please login as root and try again"
        exit 1
}

checkUser
getConfParam
genSSminiConf
downloadExec
genSysctlConf
systemctl enable ssmini
systemctl start ssmini

echo "ssmini installed"
ssmini -uri -conf $workspace/conf.json