59 lines
2 KiB
Bash
59 lines
2 KiB
Bash
#!/usr/bin/env bash
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set -ex
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EASY_RSA_LOC="/etc/openvpn/easyrsa"
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SERVER_CERT="${EASY_RSA_LOC}/pki/issued/server.crt"
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OVPN_SRV_NET=${OVPN_SERVER_NET:-172.16.100.0}
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OVPN_SRV_MASK=${OVPN_SERVER_MASK:-255.255.255.0}
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cd $EASY_RSA_LOC
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if [ -e "$SERVER_CERT" ]; then
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echo "Found existing certs - reusing"
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else
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if [ ${OVPN_ROLE:-"master"} = "slave" ]; then
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echo "Waiting for initial sync data from master"
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while [ $(wget -q localhost/api/sync/last/try -O - | wc -m) -lt 1 ]
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do
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sleep 5
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done
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else
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echo "Generating new certs"
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easyrsa init-pki
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cp -R /usr/share/easy-rsa/* $EASY_RSA_LOC/pki
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echo "ca" | easyrsa build-ca nopass
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easyrsa build-server-full server nopass
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easyrsa gen-dh
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openvpn --genkey --secret ./pki/ta.key
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fi
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fi
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easyrsa gen-crl
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iptables -t nat -D POSTROUTING -s ${OVPN_SRV_NET}/${OVPN_SRV_MASK} ! -d ${OVPN_SRV_NET}/${OVPN_SRV_MASK} -j MASQUERADE || true
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iptables -t nat -A POSTROUTING -s ${OVPN_SRV_NET}/${OVPN_SRV_MASK} ! -d ${OVPN_SRV_NET}/${OVPN_SRV_MASK} -j MASQUERADE
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mkdir -p /dev/net
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if [ ! -c /dev/net/tun ]; then
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mknod /dev/net/tun c 10 200
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fi
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cp -f /etc/openvpn/setup/openvpn.conf /etc/openvpn/openvpn.conf
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if [ ${OVPN_PASSWD_AUTH} = "true" ]; then
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mkdir -p /etc/openvpn/scripts/
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cp -f /etc/openvpn/setup/auth.sh /etc/openvpn/scripts/auth.sh
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chmod +x /etc/openvpn/scripts/auth.sh
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echo "auth-user-pass-verify /etc/openvpn/scripts/auth.sh via-file" | tee -a /etc/openvpn/openvpn.conf
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echo "script-security 2" | tee -a /etc/openvpn/openvpn.conf
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echo "verify-client-cert require" | tee -a /etc/openvpn/openvpn.conf
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openvpn-user db-init --db.path=$EASY_RSA_LOC/pki/users.db
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fi
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[ -d $EASY_RSA_LOC/pki ] && chmod 755 $EASY_RSA_LOC/pki
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[ -f $EASY_RSA_LOC/pki/crl.pem ] && chmod 644 $EASY_RSA_LOC/pki/crl.pem
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mkdir -p /etc/openvpn/ccd
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openvpn --config /etc/openvpn/openvpn.conf --client-config-dir /etc/openvpn/ccd --port 1194 --proto tcp --management 127.0.0.1 8989 --dev tun0 --server ${OVPN_SRV_NET} ${OVPN_SRV_MASK}
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