Merge pull request #1970 from MilhouseVH/le82_samba_config_fix

samba: validate samba user config and don't use if legacy or incompatible [backport]
This commit is contained in:
Christian Hewitt 2017-09-13 22:48:46 +04:00 committed by GitHub
commit 7ece64bea5
2 changed files with 27 additions and 8 deletions

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@ -1,21 +1,21 @@
################################################################################
# This file is part of OpenELEC - http://www.openelec.tv
# Copyright (C) 2009-2017 Stephan Raue (stephan@openelec.tv)
# This file is part of LibreELEC - https://libreelec.tv
# Copyright (C) 2017-present Team LibreELEC
#
# OpenELEC is free software: you can redistribute it and/or modify
# LibreELEC 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 2 of the License, or
# (at your option) any later version.
#
# OpenELEC is distributed in the hope that it will be useful,
# LibreELEC 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 OpenELEC. If not, see <http://www.gnu.org/licenses/>.
# along with LibreELEC. If not, see <http://www.gnu.org/licenses/>.
################################################################################
# samba.conf
# samba.conf v4 (do not remove)
# This configuration file allows you to customize the samba shares
# available from your machine

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@ -21,8 +21,27 @@ SMB_USERCONF="/storage/.config/samba.conf"
SMB_DEFCONF="/etc/samba/smb.conf"
SMB_CONF="/run/samba/smb.conf"
mkdir -p /run/samba
if [ -f $SMB_USERCONF ]; then
SMB_USERCONF_IS_VALID=no
SMB_CONFIG_VERSION=4
# If user config is based on legacy OpenELEC, or old version (or no version)
# then don't use it, and log a warning.
if [ -f $SMB_USERCONF ]; then
SMB_IS_LEGACY="$(awk 'NR <= 2 && /This file is part of OpenELEC/{ print }' $SMB_USERCONF)"
SMB_THIS_VER="$(awk '/^# samba.conf v[0-9\.]*/{ print substr($3,2); exit }' $SMB_USERCONF)"
if [ -n "${SMB_IS_LEGACY}" ]; then
echo "WARNING: Ignoring user config $SMB_USERCONF due to incompatibility [Old style OpenELEC]"
elif [ -z "${SMB_THIS_VER}" ]; then
echo "WARNING: Ignoring user config $SMB_USERCONF due to incompatibility [version is unknown or invalid]"
elif [ ${SMB_THIS_VER} != ${SMB_CONFIG_VERSION} ]; then
echo "WARNING: Ignoring user config $SMB_USERCONF due to incompatibility [version ${SMB_THIS_VER} is not the required version $SMB_CONFIG_VERSION]"
else
SMB_USERCONF_IS_VALID=yes
fi
fi
mkdir -p $(dirname $SMB_CONF)
if [ $SMB_USERCONF_IS_VALID = yes ]; then
cp $SMB_USERCONF $SMB_CONF
else
cp $SMB_DEFCONF $SMB_CONF