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-rwxr-xr-xbin/container-shell167
1 files changed, 167 insertions, 0 deletions
diff --git a/bin/container-shell b/bin/container-shell
new file mode 100755
index 0000000..d63c3c0
--- /dev/null
+++ b/bin/container-shell
@@ -0,0 +1,167 @@
+#!/bin/sh
+
+# Copyright (C) 2014-2022 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