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|
#!/bin/sh
# container-tools - Manage systemd-nspawn containers
# Copyright (C) 2014-2017 Daniel Baumann <daniel.baumann@open-infrastructure.net>
#
# 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 <http://www.gnu.org/licenses/>.
set -e
SOFTWARE="container-tools"
PROGRAM="container"
COMMAND="$(basename ${0})"
LC_ALL="C.UTF-8"
if [ -n "${SSH_CONNECTION}" ]
then
# ip address
CONTAINER_SHELL_USER="$(echo ${SSH_CONNECTION} | awk '{ print $1 }')"
else
# username
CONTAINER_SHELL_USER="${SUDO_USER:-${USER}}"
fi
Usage ()
{
echo "Usage: ${PROGRAM}-shell" >&2
exit 1
}
Log ()
{
DATE="$(date +%Y-%m-%d\ %H:%M:%S)"
HOST="$(hostname -f)"
MESSAGE="${@}"
# logfile
echo "${DATE} ${HOST} ${CONTAINER_SHELL_USER} ${MESSAGE}" >> "/var/log/${SOFTWARE}/${PROGRAM}.log"
# irc
if [ -e /usr/bin/irk ] && [ -e "/etc/default/${SOFTWARE}" ]
then
. /etc/default/${SOFTWARE}
if [ -n "${IRK_TARGETS}" ]
then
for TARGET in ${IRK_TARGETS}
do
irk ${TARGET} "\x0300${USER}\x03@\x0312${HOST}:\x03 \x0303${PROGRAM}\x03 \x0307${COMMAND}\x03 ${OPTIONS}"
done
fi
fi
}
Shell ()
{
COMMAND="${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 ${PROGRAM} commands are available:"
echo
cd "/usr/lib/${SOFTWARE}/${PROGRAM}"
find . -type f -printf "%f\n" | sort
cd "${OLDPWD}"
echo
echo "Use 'help COMMAND' for more information."
return
;;
*)
man ${PROGRAM}-${1} || true
return
;;
esac
;;
esac
if [ ! -e "/usr/lib/${SOFTWARE}/${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)
;;
*)
Log "'${COMMAND}' command not allowed"
echo "'${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)
Log "'${COMMAND}' command not allowed"
echo "'${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
|
