File: clamav-daemon.config.in

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clamav 0.101.4+dfsg-0+deb9u1
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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

#COMMON-FUNCTIONS#

CLAMAVCONF='/etc/clamav/clamd.conf'

# Read the configuration file
slurp_config "$CLAMAVCONF"

# Store conf file values as debconf answers - make sure user changes made 
# outside of debconf are preserved

# This hack is needed due to the switch from clamav-base.templates to clamav-daemon.templates,
# because the clamav-daemon/debconf value is not saved directly in the clamd.conf file.
if [ -e "$CLAMAVCONF" ]; then
	if dpkg --compare-versions "$2" lt 0.98.3; then
		# Test for '##' at the beginning of the configuration file.
		# These are present in the example configuration file presented for manual editing,
		# but not in the automatically created one, when using debconf to manage clamd.conf.
		if [ -z `cat /etc/clamav/clamd.conf | sed -n 1p | grep -a '##'` ]; then
			db_set clamav-daemon/debconf true
		else
			db_set clamav-daemon/debconf false
		fi
	fi
fi

# Store the settings loaded from the configuration file in debconf.
if [ -n "$TCPSocket" ]; then
  db_set clamav-daemon/TcpOrLocal TCP || true
elif [ -n "$LocalSocket" ]; then
  db_set clamav-daemon/TcpOrLocal UNIX || true
fi
set_debconf_value daemon LocalSocket
set_debconf_value daemon FixStaleSocket
set_debconf_value daemon LocalSocketGroup
set_debconf_value daemon LocalSocketMode
set_debconf_value daemon TCPSocket
set_debconf_value daemon TCPAddr
set_debconf_value daemon ScanMail
set_debconf_value daemon ScanArchive
if [ -n "$StreamMaxLength" ]; then
  StreamMaxLength="`echo $StreamMaxLength | sed -e s/M//`"
  if [ "$StreamMaxLength" = "0" ]; then
    StreamMaxLength="25"
  fi
  db_set clamav-daemon/StreamMaxLength "$StreamMaxLength" || true
fi
set_debconf_value daemon MaxDirectoryRecursion
set_debconf_value daemon FollowDirectorySymlinks
set_debconf_value daemon FollowFileSymlinks
if [ -n "$ReadTimeout" ] && [ -z "$ThreadTimeout" ]; then
  db_set clamav-daemon/ReadTimeout "$ReadTimeout" || true
elif [ -z "$ReadTimeout" ] && [ -n "$ThreadTimeout" ]; then
  ReadTimeout="$ThreadTimeout"
  db_set clamav-daemon/ReadTimeout "$ReadTimeout" || true
elif [ -n "$ReadTimeout" ]; then
  db_set clamav-daemon/ReadTimeout "$ReadTimeout" || true
fi
set_debconf_value daemon MaxThreads
set_debconf_value daemon MaxConnectionQueueLength
set_debconf_value daemon LogSyslog
set_debconf_value daemon LogFile
set_debconf_value daemon LogTime
set_debconf_value daemon LogRotate
set_debconf_value daemon ScanOnAccess
set_debconf_value daemon OnAccessMaxFileSize
set_debconf_value daemon AllowAllMatchScan
set_debconf_value daemon ForceToDisk
set_debconf_value daemon DisableCertCheck
set_debconf_value daemon ScanSWF
set_debconf_value daemon MaxEmbeddedPE
set_debconf_value daemon MaxHTMLNormalize
set_debconf_value daemon MaxHTMLNoTags
set_debconf_value daemon MaxScriptNormalize
set_debconf_value daemon MaxZipTypeRcg
set_debconf_value daemon SelfCheck
if [ -n "$User" ]; then
  db_set clamav-daemon/User "$User" || true
  if ! [ "$User" = 'root' ]; then
    AddGroups=`groups "$User" | awk -F ':' '{print $2}' | sed -e s/"$User"//`
  fi
  if [ -n "$AddGroups" ]; then
    db_set clamav-daemon/AddGroups "$AddGroups" || true
  fi
fi
set_debconf_value daemon Bytecode
set_debconf_value daemon BytecodeSecurity
set_debconf_value daemon BytecodeTimeout


# States

StateDebconf()
{
  db_input medium clamav-daemon/debconf || true
  if ! db_go; then
    STATE="End"
  else
    db_get clamav-daemon/debconf || true
    if [ "$RET" = "false" ]; then
      STATE="End"
    else
      STATE="Socket"
    fi
  fi
}

StateSocket()
{
  db_input medium clamav-daemon/TcpOrLocal || true
  if ! db_go; then
    STATE="Init"
  else
    db_metaget clamav-daemon/TcpOrLocal value
    STATE=$RET
  fi
}

StateLocalSocketGroup()
{
  db_input low clamav-daemon/LocalSocketGroup || true
  if db_go; then
    db_metaget clamav-daemon/LocalSocketGroup value
    if [ "$RET" = "" ]; then
      db_set clamav-daemon/LocalSocketGroup "clamav" || true
    fi
    STATE="LocalSocketMode"
  else
    STATE="UNIX"
  fi
}

StateScanMail()
{
  db_input medium clamav-daemon/ScanMail || true
  if db_go; then
    STATE="ScanArchive"
  else
    db_metaget clamav-daemon/TcpOrLocal value
    if [ "$RET" = "TCP" ]; then
      STATE="TCPAddr"
    else
      STATE="FixStale"
    fi
  fi
}

StateScanArchive()
{
  db_input low clamav-daemon/ScanArchive || true
  if db_go; then
    db_metaget clamav-daemon/ScanArchive value
    if [ "$RET" = "true" ]; then
      STATE="StreamMaxLength"
    else
      STATE="MaxDirectoryRecursion"
    fi
  else
    STATE="ScanMail"
  fi
}

StateMaxDirectoryRecursion()
{
  if inputdigit low clamav-daemon/MaxDirectoryRecursion; then
    db_metaget clamav-daemon/MaxDirectoryRecursion value
    if [ "$RET" = "0" ]; then
      STATE="FollowDirectorySymlinks"
    else
      STATE="FollowFileSymlinks"
    fi
  else
      STATE="ScanArchive"
  fi
}

StateFollowFileSymlinks()
{
  db_input low clamav-daemon/FollowFileSymlinks || true
  if db_go; then
    STATE="ReadTimeout"
  else
    db_metaget clamav-daemon/MaxDirectoryRecursion value;
    if [ "$RET" = "0" ]; then
      STATE="FollowDirectorySymlinks"
    else
      STATE="MaxDirectoryRecursion"
    fi
  fi
}

StateLogFile()
{
  db_input low clamav-daemon/LogFile || true
  if db_go; then
    db_metaget clamav-daemon/LogFile value
    if [ "$RET" = "" ]; then
      db_set clamav-daemon/LogFile "/var/log/clamav/clamav.log" || true
      STATE="LogTime"
    elif [ "$RET" = 'none' ]; then
      db_set clamav-daemon/LogFile "" || true
      STATE="SelfCheck"
    else
      STATE="LogTime"
    fi
  else
    STATE="LogSyslog"
  fi
}

StateUser()
{
  db_input medium clamav-daemon/User || true
  if db_go; then
    db_metaget clamav-daemon/User value
    if [ "$RET" = "" ]; then
      db_set clamav-daemon/User "clamav" || true
    fi
    STATE="AddGroups"
  else
    STATE="SelfCheck"
  fi
}

StateBytecode()
{
  db_input low clamav-daemon/Bytecode || true
  if db_go; then
    db_metaget clamav-daemon/Bytecode value
    if [ "$RET" = "true" ]; then
      STATE="BytecodeSecurity"
    else
      STATE="End"
    fi
  else
    STATE="AddGroups"
  fi
}

# Too many options to configure at configure.
if [ "$1" = "reconfigure" ]; then
  STATE="Init"
elif [ -n "$2" ]; then
  # On fresh installation, ask for the User clamav should use.
  if [ -z "$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-daemon/TCPSocket TCPAddr Socket
    ;;
    "TCPAddr")
    StateGeneric low clamav-daemon/TCPAddr ScanMail TCP
    ;;
    "UNIX")
    StateGeneric low clamav-daemon/LocalSocket LocalSocketGroup Socket
    ;;
    "LocalSocketGroup")
    StateLocalSocketGroup
    ;;
    "LocalSocketMode")
    StateGenericDigit low clamav-daemon/LocalSocketMode FixStale LocalSocketGroup
    ;;
    "FixStale")
    StateGeneric low clamav-daemon/FixStaleSocket ScanMail LocalSocketMode
    ;;
    "ScanMail")
    StateScanMail
    ;;
    "ScanArchive")
    StateScanArchive
    ;;
    "StreamMaxLength")
    StateGenericDigit low clamav-daemon/StreamMaxLength MaxDirectoryRecursion ScanArchive
    ;;
    "MaxDirectoryRecursion")
    StateMaxDirectoryRecursion
    ;;
    "FollowDirectorySymlinks")
    StateGeneric low clamav-daemon/FollowDirectorySymlinks FollowFileSymlinks MaxDirectoryRecursion
    ;;
    "FollowFileSymlinks")
    StateFollowFileSymlinks
    ;;
    "ReadTimeout")
    StateGenericDigit low clamav-daemon/ReadTimeout MaxThreads FollowFileSymlinks
    ;;
    "MaxThreads")
    StateGenericDigit low clamav-daemon/MaxThreads MaxConnectionQueueLength ReadTimeout
    ;;
    "MaxConnectionQueueLength")
    StateGenericDigit low clamav-daemon/MaxConnectionQueueLength LogSyslog MaxThreads
    ;;
    "LogSyslog")
    StateGeneric medium clamav-daemon/LogSyslog LogFile MaxConnectionQueueLength
    ;;
    "LogFile")
    StateLogFile
    ;;
    "LogTime")
    StateGeneric low clamav-daemon/LogTime LogRotate LogFile
    ;;
    "LogRotate")
    StateGeneric low clamav-daemon/LogRotate ScanOnAccess LogFile
    ;;
    "ScanOnAccess")
    StateGeneric low clamav-daemon/ScanOnAccess OnAccessMaxFileSize LogFile
    ;;
    "OnAccessMaxFileSize")
    StateGeneric low clamav-daemon/OnAccessMaxFileSize AllowAllMatchScan ScanOnAccess
    ;;
    "AllowAllMatchScan")
    StateGeneric low clamav-daemon/AllowAllMatchScan ForceToDisk OnAccessMaxFileSize
    ;;
    "ForceToDisk")
    StateGeneric low clamav-daemon/ForceToDisk DisableCertCheck AllowAllMatchScan
    ;;
    "DisableCertCheck")
    StateGeneric low clamav-daemon/DisableCertCheck ScanSWF ForceToDisk
    ;;
    "ScanSWF")
    StateGeneric low clamav-daemon/ScanSWF MaxEmbeddedPE DisableCertCheck
    ;;
    "MaxEmbeddedPE")
    StateGeneric low clamav-daemon/MaxEmbeddedPE MaxHTMLNormalize ScanSWF
    ;;
    "MaxHTMLNormalize")
    StateGeneric low clamav-daemon/MaxHTMLNormalize MaxHTMLNoTags MaxEmbeddedPE
    ;;
    "MaxHTMLNoTags")
    StateGeneric low clamav-daemon/MaxHTMLNoTags MaxScriptNormalize MaxHTMLNormalize
    ;;
    "MaxScriptNormalize")
    StateGeneric low clamav-daemon/MaxScriptNormalize MaxZipTypeRcg MaxHTMLNoTags
    ;;
    "MaxZipTypeRcg")
    StateGeneric low clamav-daemon/MaxZipTypeRcg SelfCheck MaxScriptNormalize
    ;;
    "SelfCheck")
    StateGeneric low clamav-daemon/SelfCheck User MaxZipTypeRcg
    ;;
    "User")
    StateUser
    ;;
    "AddGroups")
    StateGeneric medium clamav-daemon/AddGroups Bytecode User
    ;;
    "Bytecode")
    StateBytecode
    ;;
    "BytecodeSecurity")
    StateGeneric low clamav-daemon/BytecodeSecurity BytecodeTimeout Bytecode
    ;;
    "BytecodeTimeout")
    StateGenericDigit low clamav-daemon/BytecodeTimeout End BytecodeSecurity
    ;;
  esac
done
db_stop || true
exit 0