#!/bin/sh set -e export PATH="/usr/bin:/bin:/usr/sbin:/sbin" export GIT_SSH="/usr/sbin/gitlab-ssh-wrapper" dest=/var/run/foodoor-keys if [ ! -e "${dest}/.git/config" ] then #echo "Repo does not exist, trying to clone..." ( cd /var/run && git clone --quiet --single-branch --depth=1 luftschleuse@nordstern.chaospott.de:/home/luftschleuse/foodoor-keys "${dest}" ) else #echo "Repo exists, updating..." ( cd "${dest}" && git fetch --quiet && git merge --quiet origin/master master ) fi for action in open close do outfile="${dest}/authorized_keys.${action}" rm -f ${outfile} find "${dest}/keys" -name '*.pub' | sort | \ while read keyfile do valid_key=$(ssh-keygen -l -f ${keyfile}) if [ "$?" -eq "0" ]; then if [ $(echo "${valid_key}" | cut -d" " -f1) -ne "4096" ]; then echo "Key size of key ${keyfile} not equal to 4096. Not adding it to key database." >&2 continue fi fi printf "command=\"/usr/sbin/foodoor.sh ${action}\",no-port-forwarding,no-X11-forwarding,no-agent-forwarding " >> ${outfile} cat "${keyfile}" >> ${outfile} done install -d -o ${action} -g nogroup -m 0700 /var/lib/foodoor/${action}/.ssh install -b -S .last -o ${action} -g nogroup -m 0600 ${outfile} /var/lib/foodoor/${action}/.ssh/authorized_keys done