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mac vpn connection script
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#!/bin/bash | |
PROG_NAME=$0 | |
ACTION=$1 | |
usage() { | |
echo "Usage: $PROG_NAME {list|ping|optimal|conn|close|status}" | |
exit 1 | |
} | |
get_services() { | |
local protocol=${1:-"L2TP|PPTP"} | |
scutil --nc list | grep -iE "$protocol" | awk -F'"' '{print $2}' | |
} | |
get_service_addr() { | |
local service=$1 | |
scutil --nc show "$service" | awk '$1~/CommRemoteAddress/{print $3}' | |
} | |
vpn_list() { | |
local protocol=$1 | |
IFS=$'\n' && declare -a services=( `get_services $protocol` ) | |
for service in "${services[@]}";do | |
addr=$(get_service_addr $service) | |
echo "$service: $addr" | |
done | |
} | |
vpn_test() { | |
local protocol=$1 | |
declare -a hosts=() | |
IFS=$'\n' && declare -a services=( `get_services $protocol` ) | |
for service in "${services[@]}";do | |
host=$(scutil --nc show "$service" | awk '$1~/CommRemoteAddress/{print $3}') | |
[[ "${hosts[*]}" =~ "$host" ]] || hosts+=("$host") | |
done | |
for h in "${hosts[@]}";do | |
ping -c3 $h 2>/dev/null | tail -1 | cut -d'=' -f2 | cut -d'/' -f2 | xargs -I {} echo "$h " {} 2>/dev/null & | |
done | |
children=$(jobs -p | xargs) | |
trap 'kill $children >/dev/null 2>&1' SIGINT SIGTERM | |
wait | |
} | |
get_protocol() { | |
local service=$1 | |
scutil --nc show "$service" | awk -F':|]' 'NR==1{print $(NF-1)}' | |
} | |
get_fastest_service() { | |
local protocol=$1 | |
local host=$(vpn_test $protocol 2>/dev/null | sort -nk2 | head -1 | awk '{print $1}') | |
if [ -z "$protocol" ];then | |
vpn_list | grep "$host" | cut -d':' -f1 | head -1 | |
else | |
vpn_list $protocol | grep "$host" | cut -d':' -f1 | |
fi | |
} | |
to_upper() { | |
echo ${@^^} | |
} | |
vpn_status() { | |
which ack >/dev/null 2>&1 | |
if [ $? -eq 0 ];then | |
scutil --nc list | grep -E "L2TP|PPTP" | ack --passthru Connected | |
else | |
scutil --nc list | grep -E "L2TP|PPTP" | |
fi | |
} | |
vpn_connect() { | |
local service=$1 | |
/usr/bin/env osascript <<-EOF | |
tell application "System Events" | |
tell current location of network preferences | |
set VPN to service "$service" -- your VPN name here | |
if exists VPN then connect VPN | |
repeat while (current configuration of VPN is not connected) | |
delay 1 | |
end repeat | |
end tell | |
end tell | |
EOF | |
} | |
get_connected_service() { | |
vpn_status | awk '$2~/Connected/' | awk -F'"' '{print $2}' | |
} | |
vpn_disconnect() { | |
local service=$1 | |
/usr/bin/env osascript <<-EOF | |
tell application "System Events" | |
tell current location of network preferences | |
set VPN to service "$service" -- your VPN name here | |
if exists VPN then disconnect VPN | |
end tell | |
end tell | |
return | |
EOF | |
} | |
case "$ACTION" in | |
ping|test) | |
vpn_test | |
;; | |
optimal) | |
shift | |
get_fastest_service $@ | |
;; | |
list) | |
vpn_list | |
;; | |
conn) | |
shift && service="$(get_fastest_service $@)" | |
vpn_connect "$service" | |
[ $? -eq 0 ] && echo "ok, $service connected." | |
;; | |
close) | |
service=$(get_connected_service) | |
[ -z "$service" ] && echo "not connected to any service." && exit 0 | |
vpn_disconnect "$service" | |
[ $? -eq 0 ] && echo "ok, $service disconnected." | |
;; | |
status) | |
vpn_status | |
;; | |
*) | |
usage | |
;; | |
esac |
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