myshellconfig/bin/signpubkey
2022-09-17 12:26:33 +02:00

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#!/bin/bash
usage() {
cat << EOF
Usage: $(dirname $0) [-t|--hsm] [-U|-H] [-n|--principals] <principal>[,<principal>[,<principal>[,...]]] [-V|--valid-time] <TIME> [-s|--serialnumber] <INT> [-S|-serialnumber-file] <filename> [-I|--identity] <identity> [--dry-run] <publickey>
EOF
}
default_serialnumberfile="${HOME}/ssh-ca/serialnumbers/serialnumber"
host_or_user=user
set -- $(getopt -u -o hHn:V:s:S:I:tU --long help,host,user,principals:,valid-time:,serialnumber:,serialnumber-file:,identity:,hms,dry-run -- "$@"|| exit $?)
while : ;do
case $1 in
-h|--help)
usage
exit 0
break
;;
-H|host)
host_or_user=host
shift
;;
-U|user)
host_or_user=user
shift
;;
-n|--principals)
shift
principals=$1
shift
;;
-V|--valid-time)
shift
validtime="${1}"
shift
;;
-S|--serialnumber)
shift
serialnumber=$1
shift
;;
-s|--serialnumber-file)
shift
serialnumberfile="$1"
shift
;;
-I|--identity)
shift
identity=${1}
shift
;;
-t|--hms)
# t wie token
shift
hms=true
;;
--dry-run)
DRY=true
shift
;;
--)
shift
break
;;
*)
echo wrong argument $1 >&2
usage
exit 1
;;
esac
done
[ -z "${validtime+x}" ] && validtime="+8W"
[ -z "${identity+x}" ] && identity=${USER}@$(hostname -f)
[ -z "${serialnumberfile+x}" ] && serialnumberfile=${default_serialnumberfile}
[ -z "${serialnumber+x}" ] && serialnumber=$(sed -i -r 's/^([0-9]+)$/echo "$((\1+1))"/ge' "${serialnumberfile}"; cat "${serialnumberfile}" )
[ -z "${principals+x}" ] && { echo "no principals given"; [ $DRY ] || usage; [ $DRY ] || exit 1; }
CABASE=~/ssh-ca
host_or_user=user
case $host_or_user in
host)
CAPATH=$CABASE/${host_or_user^^}_CA/${host_or_user}
;;
user)
CAPATH=$CABASE/${host_or_user^^}_CA/${host_or_user}_ca.pub
esac
if ${hms:-false};then
echo ssh-keygen -s $CABASE/${host_or_user^^}_CA/${host_or_user}_ca.pub -D $P11M -n "${principals}" -V "${validtime}" -z $serialnumber -I "${identity}" "$1"
[ $DRY ] || ssh-keygen -s $CABASE/${host_or_user^^}_CA/${host_or_user}_ca.pub -D $P11M -n "${principals}" -V "${validtime}" -z $serialnumber -I "${identity}" "$1"
else
echo ssh-keygen -s $CABASE/${host_or_user^^}_CA/${host_or_user}_ca -n "${principals}" -V "${validtime}" -z $serialnumber -I "${identity}" "$1"
[ $DRY ] || ssh-keygen -s $CABASE/${host_or_user^^}_CA/${host_or_user}_ca -n "${principals}" -V "${validtime}" -z $serialnumber -I "${identity}" "$1"
fi