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#!/bin/bash

set -e

CLIENT="$1"
KEYNAME="$2"

if [ "$CLIENT" = "" ] || [ "$KEYNAME" = "" ]; then
	echo "
Usage: kxd-add-client-key <client hostname> <key name>

This command is a helper for adding a new key to kxd's configuration.
It takes the hostname of the client and the key name, and puts the
corresponding configuration (including a randomly generated key) in
/etc/kxd/data/<client hostname>/<key name>/.
"
	exit 1
fi

CONFIGPATH="/etc/kxd/data/$CLIENT/$KEYNAME"

echo "Creating directory ($CONFIGPATH)"
mkdir -p "$CONFIGPATH"

echo "Generating random key from /dev/urandom ($CONFIGPATH/key)"
dd if=/dev/urandom of="$CONFIGPATH/key" bs=1k count=2
echo

echo "Allowing host $CLIENT"
echo "$CLIENT" >> "$CONFIGPATH/allowed_hosts"

echo
echo
echo "YOU need to copy the client certificate to"
echo "$CONFIGPATH/allowed_clients. For example, using:"
echo
echo " $ scp $CLIENT:/etc/kxc/cert.pem $CONFIGPATH/allowed_clients"
echo