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snakevil/ssh-proxy.sh

Last active September 18, 2016 03:49
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ssh-proxy.sh
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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 <zsnakevil@gmail.com>
# 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
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