install-shadowsocks-python.sh

#!/bin/bash
# Install Shadowsocks on CentOS 7

echo "Installing Shadowsocks..."

random_string()
{
    cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w ${1:-32} | head -n 1
}

CONFIG_FILE=/etc/shadowsocks.json
SERVICE_FILE=/etc/systemd/system/shadowsocks.service
SS_PASSWORD=$(random_string 32)
SS_PORT=443
SS_METHOD=aes-256-cfb
SS_IP=`ip route get 1 | awk '{print $NF;exit}'`
GET_PIP_FILE=/tmp/get-pip.py

# install pip
curl "https://bootstrap.pypa.io/get-pip.py" -o "${GET_PIP_FILE}"
python ${GET_PIP_FILE}

# install shadowsocks
pip install --upgrade pip
pip install shadowsocks

# create shadowsocls config
cat <<EOF | sudo tee ${CONFIG_FILE}
{
  "server": ["[::0]","0.0.0.0"],
  "server_port": ${SS_PORT},
  "password": "${SS_PASSWORD}",
  "method": "${SS_METHOD}"
}
EOF

# create service
cat <<EOF | sudo tee ${SERVICE_FILE}
[Unit]
Description=Shadowsocks

[Service]
TimeoutStartSec=0
ExecStart=/usr/bin/ssserver -c ${CONFIG_FILE}

[Install]
WantedBy=multi-user.target
EOF

# start service
systemctl enable shadowsocks
systemctl start shadowsocks

# view service status
sleep 5
systemctl status shadowsocks -l


# Firewall set
firewall_set(){
    echo "firewall set start..."
    
    systemctl status firewalld > /dev/null 2>&1
    if [ $? -eq 0 ]; then
        firewall-cmd --permanent --zone=public --add-port=${shadowsocksport}/tcp
        firewall-cmd --permanent --zone=public --add-port=${shadowsocksport}/udp
        firewall-cmd --reload
    else
        echo "Firewalld looks like not running, try to start..."
        systemctl start firewalld
        if [ $? -eq 0 ]; then
            firewall-cmd --permanent --zone=public --add-port=${shadowsocksport}/tcp
            firewall-cmd --permanent --zone=public --add-port=${shadowsocksport}/udp
            firewall-cmd --reload
        else
            echo "WARNING: Try to start firewalld failed. please enable port ${shadowsocksport} manually if necessary."
        fi
    fi
		
    echo "firewall set completed..."
}
firewall_set

cat <<EOF > ~/shadowsocks.log
==========================

Congratulations! Shadowsocks has been installed on your system.
You shadowsocks connection info:
--------------------------------
server:      ${SS_IP}
server_port: ${SS_PORT}
password:    ${SS_PASSWORD}
method:      ${SS_METHOD}
--------------------------------
EOF