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Current File : //etc/rc4.d/S01clamav-daemon |
#! /bin/sh
# Written by Miquel van Smoorenburg <miquels@cistron.nl>.
# Modified for Debian GNU/Linux
# by Ian Murdock <imurdock@gnu.ai.mit.edu>.
# Clamav version by Magnus Ekdahl <magnus@debian.org>
# Heavily reworked by Stephen Gran <sgran@debian.org>
#
### BEGIN INIT INFO
# Provides: clamav-daemon
# Required-Start: $remote_fs $syslog
# Should-Start:
# Required-Stop: $remote_fs $syslog
# Should-Stop:
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: ClamAV daemon
# Description: Clam AntiVirus userspace daemon
### END INIT INFO
# The exit status codes should comply with LSB.
# https://refspecs.linuxfoundation.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/iniscrptact.html
PATH=/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/sbin/clamd
NAME="clamd"
DESC="ClamAV daemon"
CLAMAVCONF=/etc/clamav/clamd.conf
SUPERVISOR=/usr/bin/daemon
SUPERVISORNAME=daemon
SUPERVISORPIDFILE="/var/run/clamav/daemon-clamd.pid"
SUPERVISORARGS="--name=$NAME --respawn $DAEMON -F $SUPERVISORPIDFILE"
DATABASEDIR="/var/lib/clamav"
# required by Debian policy 9.3.2
[ -x "$DAEMON" ] || exit 0
[ -r /etc/default/clamav-daemon ] && . /etc/default/clamav-daemon
to_lower()
{
word="$1"
lcword=$(echo "$word" | tr A-Z a-z)
echo "$lcword"
}
is_true()
{
var="$1"
lcvar=$(to_lower "$var")
[ 'true' = "$lcvar" ] || [ 'yes' = "$lcvar" ] || [ 1 = "$lcvar" ]
return $?
}
is_false()
{
var="$1"
lcvar=$(to_lower "$var")
[ 'false' = "$lcvar" ] || [ 'no' = "$lcvar" ] || [ 0 = "$lcvar" ]
return $?
}
ucf_cleanup()
{
# This only does something if I've fucked up before
# Not entirely impossible :(
configfile=$1
if [ `grep "$configfile" /var/lib/ucf/hashfile | wc -l` -gt 1 ]; then
grep -v "$configfile" /var/lib/ucf/hashfile > /var/lib/ucf/hashfile.tmp
grep "$configfile" /var/lib/ucf/hashfile | tail -n 1 >> /var/lib/ucf/hashfile.tmp
mv /var/lib/ucf/hashfile.tmp /var/lib/ucf/hashfile
fi
}
add_to_ucf()
{
configfile=$1
ucffile=$2
if ! grep -q "$configfile" /var/lib/ucf/hashfile; then
md5sum $configfile >> /var/lib/ucf/hashfile
cp $configfile $ucffile
fi
}
ucf_upgrade_check()
{
configfile=$1
sourcefile=$2
ucffile=$3
if [ -f "$configfile" ]; then
add_to_ucf $configfile $ucffile
ucf --three-way --debconf-ok "$sourcefile" "$configfile"
else
[ -d /var/lib/ucf/cache ] || mkdir -p /var/lib/ucf/cache
pathfind restorecon && restorecon /var/lib/ucf/cache
cp $sourcefile $configfile
add_to_ucf $configfile $ucffile
fi
}
slurp_config()
{
CLAMAVCONF="$1"
if [ -e "$CLAMAVCONF" ]; then
for variable in `egrep -a -v '^[[:space:]]*(#|$)' "$CLAMAVCONF" | awk '{print $1}'`; do
case "$variable" in
DatabaseMirror)
if [ -z "$DatabaseMirror" ]; then
for i in `grep -a ^$variable $CLAMAVCONF | awk '{print $2}'`; do
value="$value $i"
done
else
continue
fi
;;
DatabaseCustomURL)
if [ -z "$DatabaseCustomURL" ]; then
for i in `grep -a ^$variable $CLAMAVCONF | awk '{print $2}'`; do
value="$value $i"
done
else
continue
fi
;;
IncludePUA)
if [ -z "$IncludePUA" ]; then
for i in `grep -a ^$variable $CLAMAVCONF | awk '{print $2}'`; do
value="$i $value"
done
else
continue
fi
;;
ExcludePUA)
if [ -z "$ExcludePUA" ]; then
for i in `grep -a ^$variable $CLAMAVCONF | awk '{print $2}'`; do
value="$i $value"
done
else
continue
fi
;;
ExtraDatabase)
if [ -z "$ExtraDatabase" ]; then
for i in `grep -a ^$variable $CLAMAVCONF | awk '{print $2}'`; do
value="$value $i"
done
else
continue
fi
;;
VirusEvent|OnUpdateExecute|OnErrorExecute|RejectMsg)
value=`grep -a ^$variable $CLAMAVCONF | head -n1 | sed -e s/$variable\ //`
;;
*)
value=`grep -a "^$variable[[:space:]]" $CLAMAVCONF | head -n1 | awk '{print $2}'`
;;
esac
if [ -z "$value" ]; then
export "$variable"="true"
elif [ "$value" != "$variable" ]; then
export "$variable"="$value"
else
export "$variable"="true"
fi
unset value
done
fi
}
pathfind() {
OLDIFS="$IFS"
IFS=:
for p in $PATH; do
if [ -x "$p/$*" ]; then
IFS="$OLDIFS"
return 0
fi
done
IFS="$OLDIFS"
return 1
}
set_debconf_value()
{
prog=$1
name=$2
eval variable="\$${name}"
if [ -n "$variable" ]; then
db_set clamav-$prog/$name "$variable" || true
fi
}
make_dir()
{
DIR=$1
if [ -d "$DIR" ]; then
return 0;
fi
[ -n "$User" ] || User=clamav
mkdir -p -m 0755 "$DIR"
chown "$User" "$DIR"
pathfind restorecon && restorecon "$DIR"
}
# Debconf Functions
isdigit ()
{
case $1 in
[[:digit:]]*)
ISDIGIT=1
;;
*)
ISDIGIT=0
;;
esac
}
inputdigit ()
{
ISDIGIT=0
while [ "$ISDIGIT" = '0' ]; do
db_input "$1" "$2" || true
if ! db_go; then
return 30
fi
db_get $2 || true
isdigit $RET
if [ "$ISDIGIT" = '0' ]; then
db_input critical clamav-base/numinfo || true
db_go
fi
done
return 0
}
StateGeneric()
{
PRIO=$1
QUESTION=$2
NEXT=$3
LAST=$4
db_input $PRIO $QUESTION || true
if db_go; then
STATE=$NEXT
else
STATE=$LAST
fi
}
StateGenericDigit()
{
PRIO=$1
QUESTION=$2
NEXT=$3
LAST=$4
inputdigit $PRIO $QUESTION || true
if db_go; then
STATE=$NEXT
else
STATE=$LAST
fi
}
. /lib/lsb/init-functions
if [ ! -f "$CLAMAVCONF" ]; then
log_failure_msg "There is no configuration file for Clamav."
log_failure_msg "Please either dpkg-reconfigure $DESC, or copy the example from"
log_failure_msg "/usr/share/doc/clamav-base/examples/ to $CLAMAVCONF and run"
log_failure_msg "'invoke-rc.d clamav-daemon start'"
if [ "$1" = "status" ]; then
# program or service status is unknown
exit 4;
else
# program is not configured
exit 6;
fi
fi
slurp_config "$CLAMAVCONF"
if [ -n "$Example" ]; then
log_failure_msg "Clamav is not configured."
log_failure_msg "Please edit $CLAMAVCONF and run 'invoke-rc.d clamav-daemon start'"
if [ "$1" = "status" ]; then
# program or service status is unknown
exit 4;
else
# program is not configured
exit 6;
fi
fi
if is_true "$Foreground"; then
if [ ! -x "$SUPERVISOR" ] ; then
log_failure_msg "Foreground specified, but $SUPERVISORNAME not found"
if [ "$1" = "status" ]; then
# program or service status is unknown
exit 4;
else
# program is not configured correctly
exit 6;
fi
else
RUN_SUPERVISED=1
fi
fi
[ -n "$User" ] || User=clamav
[ -n "$DataBaseDirectory" ] || DataBaseDirectory=/var/run/clamav
make_dir "$DataBaseDirectory"
make_dir $(dirname "$SUPERVISORPIDFILE")
if [ -z "$RUN_SUPERVISED" ]; then
THEPIDFILE="$PidFile"
THEDAEMON="$NAME"
RELOAD="1"
else
THEPIDFILE="$SUPERVISORPIDFILE"
THEDAEMON="$SUPERVISORNAME"
RELOAD="0"
fi
if [ -z "$THEPIDFILE" ]
then
# Set the default PidFile.
THEPIDFILE='/run/clamav/clamd.pid'
fi
make_dir $(dirname "$THEPIDFILE")
chown $User $(dirname "$THEPIDFILE")
case "$1" in
start)
# Check for database existence (start will fail if it's missing)
for db in main daily; do
if [ ! -e "$DATABASEDIR"/"$db".cvd ] && [ ! -d "$DATABASEDIR"/"$db".inc ] && [ ! -e "$DATABASEDIR"/"$db".cld ]; then
log_failure_msg "Clamav signatures not found in $DATABASEDIR"
log_failure_msg "Please retrieve them using freshclam"
log_failure_msg "Then run 'invoke-rc.d clamav-daemon start'"
# this is expected on a fresh installation
exit 0
fi
done
if [ -z "$RUN_SUPERVISED" ] ; then
log_daemon_msg "Starting $DESC" "$NAME "
start-stop-daemon --start --oknodo -c $User --exec $DAEMON --pidfile $THEPIDFILE --quiet -- -c $CLAMAVCONF --pid=$THEPIDFILE
ret=$?
else
log_daemon_msg "Starting $DESC" "$NAME (supervised) "
$SUPERVISOR $SUPERVISORARGS
ret=$?
fi
log_end_msg $ret
;;
stop)
log_daemon_msg "Stopping $DESC" "$NAME"
start-stop-daemon --stop --oknodo --name $THEDAEMON --pidfile $THEPIDFILE --quiet --retry TERM/30/KILL/5
log_end_msg $?
;;
status)
start-stop-daemon --status --name $THEDAEMON --pidfile $THEPIDFILE
# start-stop-daemon returns LSB compliant exit status codes
ret=$?
if [ "$ret" = 0 ]; then
log_success_msg "$NAME is running"
else
log_failure_msg "$NAME is not running"
exit "$ret"
fi
;;
restart|force-reload)
$0 stop
$0 start
;;
reload-database)
if [ "$RELOAD" = "1" ]; then
log_daemon_msg "Reloading database for $DESC" "$NAME"
pkill -USR2 -F $THEPIDFILE $THEDAEMON 2>/dev/null
log_end_msg $?
else
log_failure_msg "reload-database does not work in supervised mode."
# unimplemented feature
exit 3
fi
;;
reload-log)
if [ "$RELOAD" = "1" ]; then
log_daemon_msg "Reloading log file for $DESC" "$NAME"
pkill -HUP -F $THEPIDFILE $THEDAEMON 2>/dev/null
else
log_failure_msg "reload-log does not work in supervised mode."
# unimplemented feature
exit 3
fi
log_end_msg $?
;;
*)
log_action_msg "Usage: $0 {start|stop|restart|force-reload|reload-log|reload-database|status}" >&2
# invalid arguments
exit 2
;;
esac
exit 0
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