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Current File : //var/lib/dpkg/info/clamav-base.config

#!/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