#!/usr/bin/env bash
keytype=rsa
keybits=5888

if [ "x" != "x$2" ]
then
	keybits=$2
fi

if [ -z $1 ]
then
    echo "Need a hostname"
    exit
fi
target=$1
echo target: ${target}
targetname=${target}
echo targetname=${targetname}
hostname=$( (hostname -s) )
hostname="${hostname}${CSHENV_MACHINE_SUFFIX}"
echo hostname: ${hostname}
keyname=id_${hostname}-${targetname}
echo keyname: ${keyname}
echo keybits: ${keybits}

#echo rm -f ${keyname}
#rm -f ${keyname}

#exit

mkdir -p ~/.ssh/newkeys
#echo rm -f ${keyname}
rm -f ~/.ssh/newkeys/${keyname}

ssh-keygen -N "" -t ${keytype} -b ${keybits} -V +6w -f ~/.ssh/newkeys/${keyname}

keytext=$(<~/.ssh/newkeys/${keyname}.pub)
rm ~/.ssh/newkeys/${keyname}.pub

ssh ${target} \
"\
	mkdir -p .ssh/incoming; rm -f .ssh/incoming/${keyname};\
	echo ${keytext} >> .ssh/incoming/id_${hostname}.pub; \
	cat .ssh/incoming/id_${hostname}.pub >> .ssh/authorized_keys; \
	mkdir -p .ssh/valid; mv .ssh/incoming/id_${hostname}.pub .ssh/valid; cat .ssh/valid/* > .ssh/authorized_keys;\
"

mv ~/.ssh/newkeys/${keyname} ~/.ssh/${keyname}