File cleanDCC.cron of Package dcc

#!/bin/sh
#
# copyright (c) 2012 Stefan Jakobs
# Author: Stefan Jakobs
#
#    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/>.
#
# daily DCC cron job
#
# This script should be run daily to discard old DCC client log files.
#   It accepts two arguments: -h two specify an other than the default
#   home directory (/var/lib/dcc/). And -f which forces the script to 
#   follow symlinks, when it is removing old log files.
# 
#
FOLLOW=
DCC_HOMEDIR=/var/lib/dcc
DCC_CONFIG=$DCC_HOMEDIR/dcc_conf
LOGGER_TAG=dccifd.cron

# check the args
while getopts "fh:" c; do
	case $c in
	    h) DCC_HOMEDIR=$OPTARG ;;
	    f) FOLLOW="-L" ;;
	    *) echo "`basename $0`: [-f] -h homedir]" ;;
	esac
done

# Check existence of the needed config file
test -r $DCC_CONFIG || { echo "$DCC_CONFIG not installed"; exit 6 ; }
# Read config
. $DCC_CONFIG

DCC_LOGGER="logger -p $DCC_ERROR_LOG_FACILITY -t $LOGGER_TAG"

# make the paths absolute and trim the per day/hour/minute business
DCCIFD_LOGDIR=`echo $DCCIFD_LOGDIR				\
	| sed -e "s@^[DHM]?@@" -e "s@^[^/]@$DCC_HOMEDIR/&@"`
DCCIFD_USERDIRS=`echo $DCCIFD_USERDIRS				\
	| sed -e "s@^[^/]@$DCC_HOMEDIR/&@"`
LOGDIRS=
if [ "$LOGDIRS" != "$DCCIFD_LOGDIR" ] && [ -n "$DCCIFD_LOGDIR" ] \
        && [ -d "$DCCIFD_LOGDIR" ] ; then
    LOGDIRS=$DCCIFD_LOGDIR
fi
USERDIRS=
if [ -n "$DCCIFD_USERDIRS" ] && [ -d "$DCCIFD_USERDIRS" ] ; then
    USERDIRS=$DCCIFD_USERDIRS
fi


# Remove old dccifd log files.
if [ -n "$DBCLEAN_LOGDAYS" ] && [ -n "$LOGDIRS$USERDIRS" ]; then
   find $LOGDIRS $USERDIRS $FOLLOW -type f -name 'msg.*' \
		-mtime +$DBCLEAN_LOGDAYS -exec rm '{}' \;
   find $LOGDIRS $USERDIRS $FOLLOW -depth -type d -mtime +1 \( 	\
		-name '[0-9]' -o -name '[0-9][0-9]' -o 		\
		-name '[0-9][0-9][0-9]' \) -exec rmdir '{}' \;
fi

# log success
eval $DCC_LOGGER "old DCC client log files removed"