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#!/bin/bash
set -e
function help {
cat <<EOF
A simple wrapper to use like SSH
Usage:
tokssh [ssh options] [user@]address [-s secret]
where
ssh options: options to pass to ssh process
user: login on remote host
address: either a ToxID or a hostname. ~/.tuntox/hosts is read to map
hostname to ToxID. hostname MUST resolve to 127.0.0.1
-s optional secret to use to connect to tuntox server
examples:
tokssh user@5A40C3443ABD6E1DDEE682E83F84A4D556C24C22D2230DCC141A4723C123473C171A4D9C4054
tokssh 5A40C3443ABD6E1DDEE682E83F84A4D556C24C22D2230DCC141A4723C123473C171A4D9C4054
tokssh -p 2222 -o ForwardAgent=yes user@5A40C3443ABD6E1DDEE682E83F84A4D556C24C22D2230DCC141A4723C123473C171A4D9C4054
tokssh user@5A40C3443ABD6E1DDEE682E83F84A4D556C24C22D2230DCC141A4723C123473C171A4D9C4054 -s TuNToXSeCreT
files:
~/.tuntox/persist/
If directory exists, then read & store a persistent secret key/TOXID within.
~/.tuntox/hosts
Maps hostname to ToxID and optional secret.
format is:
hostname ToxID secret(optional)
EOF
}
strargs="'$*'"
if [ -z "${strargs##*-h*}" ] || [ -z "${strargs##*--help*}" ] ;then
help
exit
fi
array=( $@ )
len=${#array[@]}
if [ $len -lt 1 ]; then
help
exit
fi
# look for secret and remvove it from args
if [ $len -gt 2 ] && [ "${array[$len-2]}" == "-s" ]
then
secret="${array[@]:$len-2:$len-1}"
len=$[len-2]
fi
userhost=${array[$len-1]}
args=${array[@]:0:$len-1}
# check for user@id
arruserhost=(${userhost//@/ })
arruserhostlen=${#arruserhost[@]}
if [ $arruserhostlen -gt 1 ]
then
# last argument is user@toxid
user="${arruserhost[0]}@"
toxid=${arruserhost[1]}
hostname=$toxid
else
# last argument is just toxid
user=""
toxid=$userhost
hostname=$toxid
fi
#search toxid in ~/.tuntox/hosts and map it to toxid
if [ -f ~/.tuntox/hosts ]; then
while read c_hostname c_toxid c_secret; do
if [ "${c_hostname:0:1}" != "#" ] && [ "$c_hostname" == "$toxid" ]; then
toxid="$c_toxid"
if [ "$secret" == "" ]; then
secret="-s $c_secret"
fi
break
fi
done < ~/.tuntox/hosts
fi
if [ -d ~/.tuntox/persist ]; then
persist='-C ~/.tuntox/persist'
else
persist=
fi
ssh \
-o ProxyCommand="tuntox $persist -i $toxid -W localhost:%p $secret" \
-o StrictHostKeyChecking=accept-new \
-o CanonicalizeHostname=no \
-o UpdateHostKeys=yes \
$args \
${user}${hostname}
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