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#!/bin/sh
set -e
# Source debconf library
. /usr/share/debconf/confmodule
# This conf script is capable of backing up
db_version 2.0
db_capb backup
status_of_proc () {
local pidfile daemon name status
pidfile=
OPTIND=1
while getopts p: opt ; do
case "$opt" in
p) pidfile="$OPTARG";;
esac
done
shift $(($OPTIND - 1))
if [ -n "$pidfile" ]; then
pidfile="-p $pidfile"
fi
daemon="$1"
name="$2"
status="0"
pidofproc $pidfile $daemon >/dev/null || status="$?"
if [ "$status" = 0 ]; then
log_success_msg "$name is running"
return 0
else
log_failure_msg "$name is not running"
return $status
fi
}
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
cp $sourcefile $configfile
add_to_ucf $configfile $ucffile
fi
}
slurp_config()
{
CLAMAVCONF="$1"
if [ -e "$CLAMAVCONF" ]; then
for variable in `egrep -v '^[[:space:]]*(#|$)' "$CLAMAVCONF" | awk '{print $1}'`; do
case "$variable" in
DatabaseMirror)
if [ -z "$DatabaseMirror" ]; then
for i in `grep ^$variable $CLAMAVCONF | awk '{print $2}'`; do
value="$value $i"
done
else
continue
fi
;;
DatabaseCustomURL)
if [ -z "$DatabaseCustomURL" ]; then
for i in `grep ^$variable $CLAMAVCONF | awk '{print $2}'`; do
value="$value $i"
done
else
continue
fi
;;
IncludePUA)
if [ -z "$IncludePUA" ]; then
for i in `grep ^$variable $CLAMAVCONF | awk '{print $2}'`; do
value="$i $value"
done
else
continue
fi
;;
ExcludePUA)
if [ -z "$ExcludePUA" ]; then
for i in `grep ^$variable $CLAMAVCONF | awk '{print $2}'`; do
value="$i $value"
done
else
continue
fi
;;
ExtraDatabase)
if [ -z "$ExtraDatabase" ]; then
for i in `grep ^$variable $CLAMAVCONF | awk '{print $2}'`; do
value="$value $i"
done
else
continue
fi
;;
VirusEvent|OnUpdateExecute|OnErrorExecute|RejectMsg)
value=`grep ^$variable $CLAMAVCONF | head -n1 | sed -e s/$variable\ //`
;;
*)
value=`grep "^$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
}
make_dir()
{
DIR=$1
if [ -d "$DIR" ]; then
return 0;
fi
[ -n "$User" ] || User=clamav
mkdir -p -m 0755 "$DIR"
chown "$User" "$DIR"
[ -x /sbin/restorecon ] && /sbin/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=$LAST
fi
}
CLAMAVCONF='/etc/clamav/clamd.conf'
slurp_config "$CLAMAVCONF"
# Store conf file values as debconf answers - make sure user changes made
# outside of debconf are preserved
if [ -n "$User" ]; then
db_set clamav-base/User "$User" || true
if ! [ "$User" = 'root' ]; then
AddGroups=`groups "$User" | awk -F ':' '{print $2}' | sed -e s/"$User"//`
fi
if [ -n "$AddGroups" ]; then
db_set clamav-base/AddGroups "$AddGroups" || true
fi
fi
if [ -n "$TCPSocket" ]; then
db_set clamav-base/TcpOrLocal TCP || true
elif [ -n "$LocalSocket" ]; then
db_set clamav-base/TcpOrLocal UNIX || true
fi
if [ -n "$LocalSocket" ]; then
db_set clamav-base/LocalSocket "$LocalSocket" || true
fi
if [ -n "$LocalSocketGroup" ]; then
db_set clamav-base/LocalSocketGroup "$LocalSocketGroup" || true
fi
if [ -n "$LocalSocketMode" ]; then
db_set clamav-base/LocalSocketMode "$LocalSocketMode" || true
fi
if [ "$FixStaleSocket" = "true" ]; then
db_set clamav-base/FixStaleSocket true || true
fi
if [ -n "$TCPSocket" ]; then
db_set clamav-base/TCPSocket "$TCPSocket" || true
fi
if [ -n "$TCPaddr" ]; then
db_set clamav-base/TCPAddr "$TCPaddr" || true
fi
if [ "$ScanMail" = "true" ]; then
db_set clamav-base/ScanMail true || true
fi
if [ "$ScanArchive" = "true" ]; then
db_set clamav-base/ScanArchive true || true
fi
if [ -n "$StreamMaxLength" ]; then
StreamMaxLength="`echo $StreamMaxLength | sed -e s/M//`"
if [ "$StreamMaxLength" = "0" ]; then
StreamMaxLength="25"
fi
db_set clamav-base/StreamMaxLength "$StreamMaxLength" || true
fi
if [ -n "$MaxDirectoryRecursion" ]; then
db_set clamav-base/MaxDirectoryRecursion "$MaxDirectoryRecursion" || true
fi
if [ "$FollowDirectorySymlinks" = "true" ]; then
db_set clamav-base/FollowDirectorySymlinks true || true
fi
if [ "$FollowFileSymlinks" = "true" ]; then
db_set clamav-base/FollowFileSymlinks true || true
fi
if [ -n "$ReadTimeout" ] && [ -z "$ThreadTimeout" ]; then
db_set clamav-base/ReadTimeout "$ReadTimeout" || true
elif
[ -z "$ReadTimeout" ] && [ -n "$ThreadTimeout" ]; then
ReadTimeout="$ThreadTimeout"
db_set clamav-base/ReadTimeout "$ReadTimeout" || true
elif [ -n "$ReadTimeout" ]; then
db_set clamav-base/ReadTimeout "$ReadTimeout" || true
fi
if [ -n "$MaxThreads" ]; then
db_set clamav-base/MaxThreads "$MaxThreads" || true
fi
if [ -n "$MaxConnectionQueueLength" ]; then
db_set clamav-base/MaxConnectionQueueLength "$MaxConnectionQueueLength" || true
fi
if [ "$LogSyslog" = "true" ]; then
db_set clamav-base/LogSyslog true || true
fi
if [ -n "$LogFile" ]; then
db_set clamav-base/LogFile "$LogFile" || true
fi
if [ "$LogTime" = "true" ]; then
db_set clamav-base/LogTime true || true
fi
if [ "$LogRotate" = "true" ]; then
db_set clamav-base/LogRotate true || true
fi
if [ "$ScanOnAccess" = "true" ]; then
db_set clamav-base/ScanOnAccess true || true
fi
if [ -n "$OnAccessMaxFileSize" ]; then
db_set clamav-base/OnAccessMaxFileSize "$OnAccessMaxFileSize" || true
fi
if [ "$AllowAllMatchScan" = "true" ]; then
db_set clamav-base/AllowAllMatchScan true || true
fi
if [ "$ForceToDisk" = "true" ]; then
db_set clamav-base/ForceToDisk true || true
fi
if [ "$DisableCertCheck" = "true" ]; then
db_set clamav-base/DisableCertCheck true || true
fi
if [ "$ScanSWF" = "true" ]; then
db_set clamav-base/ScanSWF true || true
fi
if [ -n "$MaxEmbeddedPE" ]; then
db_set clamav-base/MaxEmbeddedPE "$MaxEmbeddedPE" || true
fi
if [ -n "$MaxHTMLNormalize" ]; then
db_set clamav-base/MaxHTMLNormalize "$MaxHTMLNormalize" || true
fi
if [ -n "$MaxHTMLNoTags" ]; then
db_set clamav-base/MaxHTMLNoTags "$MaxHTMLNoTags" || true
fi
if [ -n "$MaxScriptNormalize" ]; then
db_set clamav-base/MaxScriptNormalize "$MaxScriptNormalize" || true
fi
if [ -n "$MaxZipTypeRcg" ]; then
db_set clamav-base/MaxZipTypeRcg "$MaxZipTypeRcg" || true
fi
if [ "$Bytecode" = "true" ]; then
db_set clamav-base/Bytecode true || true
fi
if [ -n "$BytecodeSecurity" ]; then
db_set clamav-base/BytecodeSecurity "$BytecodeSecurity" || true
fi
if [ -n "$BytecodeTimeout" ]; then
db_set clamav-base/BytecodeTimeout "$BytecodeTimeout" || true
fi
# States
StateDebconf()
{
db_input medium clamav-base/debconf || true
if ! db_go; then
STATE="End"
else
db_get clamav-base/debconf || true
if [ "$RET" = "false" ]; then
STATE="End"
else
STATE="Socket"
fi
fi
}
StateSocket()
{
db_input medium clamav-base/TcpOrLocal || true
if ! db_go; then
STATE="Debconf"
else
db_metaget clamav-base/TcpOrLocal value
STATE=$RET
fi
}
StateLocalSocketGroup()
{
db_input low clamav-base/LocalSocketGroup || true
if db_go; then
db_metaget clamav-base/LocalSocketGroup value
if [ "$RET" = "" ]; then
db_set clamav-base/LocalSocketGroup "clamav" || true
fi
STATE="LocalSocketMode"
else
STATE="UNIX"
fi
}
StateScanMail()
{
db_input medium clamav-base/ScanMail || true
if db_go; then
STATE="ScanArchive"
else
db_metaget clamav-base/TcpOrLocal value
if [ "$RET" = "TCP" ]; then
STATE="TCPAddr"
else
STATE="FixStale"
fi
fi
}
StateScanArchive()
{
db_input low clamav-base/ScanArchive || true
if db_go; then
db_metaget clamav-base/ScanArchive value
if [ "$RET" = "true" ]; then
STATE="StreamMaxLength"
else
STATE="MaxDirectoryRecursion"
fi
else
STATE="ScanMail"
fi
}
StateMaxDirectoryRecursion()
{
if inputdigit low clamav-base/MaxDirectoryRecursion; then
db_metaget clamav-base/MaxDirectoryRecursion value
if [ "$RET" = "0" ]; then
STATE="FollowDirectorySymlinks"
else
STATE="FollowFileSymlinks"
fi
else
STATE="ScanArchive"
fi
}
StateFollowFileSymlinks()
{
db_input low clamav-base/FollowFileSymlinks || true
if db_go; then
STATE="ReadTimeout"
else
db_metaget clamav-base/MaxDirectoryRecursion value;
if [ "$RET" = "0" ]; then
STATE="FollowDirectorySymlinks"
else
STATE="MaxDirectoryRecursion"
fi
fi
}
StateLogFile()
{
db_input low clamav-base/LogFile || true
if db_go; then
db_metaget clamav-base/LogFile value
if [ "$RET" = "" ]; then
db_set clamav-base/LogFile "/var/log/clamav/clamav.log" || true
STATE="LogTime"
elif [ "$RET" = 'none' ]; then
db_set clamav-base/LogFile "" || true
STATE="SelfCheck"
else
STATE="LogTime"
fi
else
STATE="LogSyslog"
fi
}
StateUser()
{
db_input medium clamav-base/User || true
if db_go; then
db_metaget clamav-base/User value
if [ "$RET" = "" ]; then
db_set clamav-base/User "clamav" || true
fi
STATE="AddGroups"
else
STATE="SelfCheck"
fi
}
StateBytecode()
{
db_input low clamav-base/Bytecode || true
if db_go; then
db_metaget clamav-base/Bytecode value
if [ "$RET" = "true" ]; then
STATE="BytecodeSecurity"
else
STATE="End"
fi
else
STATE="AddGroups"
fi
}
# To many options to configure at configure
if [ "$1" = "reconfigure" ]; then
STATE="Init"
elif [ -n "$2" ]; then
if [ -z "$User" ]; then
STATE="User"
fi
else
STATE="End"
fi
[ -z "$STATE" ] && STATE='End'
# This is the statemachine that controls execution. All the 'real' work is
# performed by subfunctions above.
while [ "$STATE" != "End" ]; do
case "$STATE" in
"Init")
StateDebconf
;;
"Socket")
StateSocket
;;
"TCP")
StateGenericDigit low clamav-base/TCPSocket TCPAddr Socket
;;
"TCPAddr")
StateGeneric low clamav-base/TCPAddr ScanMail TCP
;;
"UNIX")
StateGeneric low clamav-base/LocalSocket LocalSocketGroup Socket
;;
"LocalSocketGroup")
StateLocalSocketGroup
;;
"LocalSocketMode")
StateGenericDigit low clamav-base/LocalSocketMode FixStale LocalSocketGroup
;;
"FixStale")
StateGeneric low clamav-base/FixStaleSocket ScanMail LocalSocketMode
;;
"ScanMail")
StateScanMail
;;
"ScanArchive")
StateScanArchive
;;
"StreamMaxLength")
StateGenericDigit low clamav-base/StreamMaxLength MaxDirectoryRecursion ScanArchive
;;
"MaxDirectoryRecursion")
StateMaxDirectoryRecursion
;;
"FollowDirectorySymlinks")
StateGeneric low clamav-base/FollowDirectorySymlinks FollowFileSymlinks MaxDirectoryRecursion
;;
"FollowFileSymlinks")
StateFollowFileSymlinks
;;
"ReadTimeout")
StateGenericDigit low clamav-base/ReadTimeout MaxThreads FollowFileSymlinks
;;
"MaxThreads")
StateGenericDigit low clamav-base/MaxThreads MaxConnectionQueueLength ReadTimeout
;;
"MaxConnectionQueueLength")
StateGenericDigit low clamav-base/MaxConnectionQueueLength LogSyslog MaxThreads
;;
"LogSyslog")
StateGeneric medium clamav-base/LogSyslog LogFile MaxConnectionQueueLength
;;
"LogFile")
StateLogFile
;;
"LogTime")
StateGeneric low clamav-base/LogTime LogRotate LogFile
;;
"LogRotate")
StateGeneric low clamav-base/LogRotate ScanOnAccess LogFile
;;
"ScanOnAccess")
StateGeneric low clamav-base/ScanOnAccess OnAccessMaxFileSize LogFile
;;
"OnAccessMaxFileSize")
StateGeneric low clamav-base/OnAccessMaxFileSize AllowAllMatchScan ScanOnAccess
;;
"AllowAllMatchScan")
StateGeneric low clamav-base/AllowAllMatchScan ForceToDisk OnAccessMaxFileSize
;;
"ForceToDisk")
StateGeneric low clamav-base/ForceToDisk DisableCertCheck AllowAllMatchScan
;;
"DisableCertCheck")
StateGeneric low clamav-base/DisableCertCheck ScanSWF ForceToDisk
;;
"ScanSWF")
StateGeneric low clamav-base/ScanSWF MaxEmbeddedPE DisableCertCheck
;;
"MaxEmbeddedPE")
StateGeneric low clamav-base/MaxEmbeddedPE MaxHTMLNormalize ScanSWF
;;
"MaxHTMLNormalize")
StateGeneric low clamav-base/MaxHTMLNormalize MaxHTMLNoTags MaxEmbeddedPE
;;
"MaxHTMLNoTags")
StateGeneric low clamav-base/MaxHTMLNoTags MaxScriptNormalize MaxHTMLNormalize
;;
"MaxScriptNormalize")
StateGeneric low clamav-base/MaxScriptNormalize MaxZipTypeRcg MaxHTMLNoTags
;;
"MaxZipTypeRcg")
StateGeneric low clamav-base/MaxZipTypeRcg SelfCheck MaxScriptNormalize
;;
"SelfCheck")
StateGeneric low clamav-base/SelfCheck User MaxZipTypeRcg
;;
"User")
StateUser
;;
"AddGroups")
StateGeneric medium clamav-base/AddGroups Bytecode User
;;
"Bytecode")
StateBytecode
;;
"BytecodeSecurity")
StateGeneric low clamav-base/BytecodeSecurity BytecodeTimeout Bytecode
;;
"BytecodeTimeout")
StateGenericDigit low clamav-base/BytecodeTimeout End BytecodeSecurity
;;
esac
done
db_stop || true
exit 0