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#!/bin/sh
# Copyright (C) 2014-2021 Daniel Baumann <daniel.baumann@open-infrastructure.net>
#
# SPDX-License-Identifier: GPL-3.0+
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
set -e
PROJECT="open-infrastructure"
SOFTWARE="compute-tools"
PROGRAM="container"
COMMAND="$(basename ${0})"
LC_ALL="C.UTF-8"
Usage ()
{
echo "Usage: ${PROGRAM}-shell" >&2
exit 1
}
Shell ()
{
COMMAND="${1}"
if [ -z "${COMMAND}" ]
then
return
fi
shift 1
OPTIONS="${@}"
case "${COMMAND}" in
about)
man ${PROGRAM} || true
return
;;
logout|exit)
exit 0
;;
help)
case "${OPTIONS}" in
"")
echo
echo "The following ${PROGRAM} commands are available:"
echo
cd "/usr/libexec/${PROGRAM}"
find . -type f -printf " %f\n" | sort
cd "${OLDPWD}"
if [ -n "${CONTAINER_COMMANDS_ENABLE}" ]
then
echo
echo "The following container commands are enabled for the current user:"
echo " ${CONTAINER_COMMANDS_ENABLE}"
fi
if [ -n "${CONTAINER_COMMANDS_DISABLE}" ]
then
echo
echo "The following container commands are disabled for the current user:"
echo " ${CONTAINER_COMMANDS_DISABLE}"
fi
echo
echo "Use 'help COMMAND' for more information."
return
;;
*)
man ${PROGRAM}-${1} || true
return
;;
esac
;;
esac
if [ ! -e "/usr/libexec/${PROGRAM}/${COMMAND}" ]
then
echo "'${COMMAND}': no such ${PROGRAM} command" >&2
return
fi
if [ -n "${CONTAINER_COMMANDS_ENABLE}" ]
then
COMMAND_ALLOWED=""
for CONTAINER_COMMAND in ${CONTAINER_COMMANDS_ENABLE}
do
case "${CONTAINER_COMMAND}" in
${COMMAND}|all|about|logout|exit|help)
COMMAND_ALLOWED="true"
;;
esac
done
case "${COMMAND_ALLOWED}" in
true)
;;
*)
echo "'${COMMAND}': command not allowed for current user" >&2
return
;;
esac
fi
if [ -n "${CONTAINER_COMMANDS_DISABLE}" ]
then
COMMAND_DISALLOWED=""
for CONTAINER_COMMAND in ${CONTAINER_COMMANDS_DISABLE}
do
case "${CONTAINER_COMMAND}" in
${COMMAND}|all|about|logout|exit|help)
COMMAND_DISALLOWED="true"
;;
esac
done
case "${COMMAND_DISALLOWED}" in
true)
echo "'${COMMAND}': command not allowed for current user" >&2
return
;;
esac
fi
echo
sudo ${PROGRAM} ${COMMAND} ${OPTIONS} || true
}
trap 'echo' EXIT HUP INT QUIT TERM
echo "${SOFTWARE} $(${PROGRAM} version)"
echo "Type \"about\" or \"help\" for more information, \"logout\" to exit."
while true
do
echo
echo -n "${PROGRAM}: "
read CMDLINE
Shell ${CMDLINE}
done
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