ssh-proxy.sh

ssh-proxy.sh

#!/bin/sh
#
# Proxy agent script, for 'ProxyCommand' directive in 'ssh_config'.
#
# Usage:
#   ssh-proxy.sh <Origin Host> <Origin Port> [<Alternative Host> [<Alternative Port>]]
#
# Example:
#   ProxyCommand ssh-proxy.sh %h %p ddns.host.name
#
# AUTHOR    Snakevil Zen <[email protected]>
# COPYRIGHT 2016 szen.in

Host="$1"
Port="$2"

[ -z "$3" ] || {
    /sbin/ping -c1 -s1 -t1 $Host || {
        Host="$3"
        [ -z "$4" ] || Port="$4"
    }
}

/usr/bin/nc "$Host" "$Port" 2>/dev/null