chntunnel add l2tp for nat or else.

chntunnel/chntunnel.sh

@@ -42,6 +42,7 @@ Usage: chntunnel [OPTION...]
 	options:
 	-c, --collect         genrate route files from apnic.
 	-g, --gre-tunnel      create a gre tunnel.
+	-p, --l2tp-tunnel     create a l2tp tunnel.
 	-w, --white-list      whitelist mode, only manually.[TODO]
 	-f, --gfw-list        gfwlist mode.
 EOF
@@ -91,6 +92,13 @@ MY_INNER_IPADDR=$1
 EOF
 }
 
+newL2tp() {
+	# yum install epel-release NetworkManager-l2tp -y
+	# nmcli connection add type vpn  con-name "l2tp0" ifname "*" vpn-type l2tp vpn.data "gateway=103.116.76.233 username=txecs password=txecs ipsec-enabled=yes ipsec-psk=88889999"
+	# nmcli connection up "l2tp0"
+	wget https://get.vpnsetup.net -O vpn.sh && sudo sh vpn.sh && rm -f vpn.sh
+}
+
 addRoutes() {
 	cat << EOF > /etc/rc.local
 #!/bin/bash
@@ -129,7 +137,8 @@ collecting() {
 source /etc/os-release || source /usr/lib/os-release
 [[ $ID = 'centos' ]] || error=1
 [[ $error -eq 1 ]] && msg_err "Sorry! current system is not supported." && exit 1
-[[ ! -f $RUNPATH || `find $RUNPATH -mtime +1` ]] && cp $C_DIR/$FILENAME $RUNPATH && chmod 755 $RUNPATH
+[[ -f $RUNPATH ]] && rm -f $RUNPATH
+cp $C_DIR/$FILENAME $RUNPATH && chmod 755 $RUNPATH
 if [ $# != 0 ]; then
 	for param in {$1,$2,$3}
 	do
@@ -169,6 +178,12 @@ if [ $# != 0 ]; then
 			ifup ${TUNNEL_NAME:-tun0}
 			ping -c 3 $PEER_INNER_IPADDR >/dev/null && result=$? && [[ $result -eq 0 ]] && msg_pass "Tunnel created successfully!" && exit 0
 			msg_err "Connection failed, please contact the administrator." && exit 1
+		elif [[ $param = '-p' || $param = '--l2tp-tunnel' ]]; then
+			peer=$(ip addr | grep ppp0 | grep inet | awk -F ' ' {'print $2'})
+			[[ -n $peer ]] && msg_err "This tunnel already exists, please do not create it again." && exit 1
+			newL2tp
+			MY_INNER_IPADDR=${peer%%/*}
+			ping -c 3 $MY_INNER_IPADDR >/dev/null && result=$? && [[ $result -eq 0 ]] && msg_pass "Tunnel created successfully!" && exit 0
 		elif [[ $param = '-f' || $param = '--gfw-list' ]]; then
 			peer=$(ip addr | grep peer | grep inet | awk -F ' ' {'print $4'})
 			PEER_INNER_IPADDR=${peer%%/*}