#!/bin/sh
#----------------------------------------------------------------------------
# eisfax-update - update or generate new eisfax configuration
#
# Copyright (c) 2002-2004 Stefan Krister <stefan.krister@creative.chaos.de>
# Copyright (c) 2005      Frank Meyer <frank@eisfair(dot)org>
#
# Last Update:  $Id$
#
# if password is empty, user will be prompted
# if uid or gid is empty, values will be evaluated
#
# 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 2 of the License, or
# (at your option) any later version.
#----------------------------------------------------------------------------

#testroot=/tmp
testroot=''

eisfaxfile=$testroot/etc/config.d/eisfax

#------------------------------------------------------------------------------
# return string of spaces
# $1  - name of variable
# $2  - length of string - length of variable ($1)
# ret - string of spaces
#------------------------------------------------------------------------------
spaces ()
{
    varname=$1
    varlen=${#varname}
    explen=$2
    if [ "$explen" = "" ]
    then
        # empty string
        explen=$varname
        varlen=0
    fi

    if [ $explen -gt $varlen ]
    then
        # string should be extended
        strlen=`expr $explen - $varlen`

        # fixed spaces string - 60 character long (fast method)
        spacestr="                                                            "
        echo "${spacestr:0:$strlen}"

        # variable spaces string loop (slow method)
#       idx=1
#       while [ $idx -le $strlen ]
#       do
#           echo -e " \c"
#           idx=`expr $idx + 1`
#       done
#       echo
    fi
}

#------------------------------------------------------------------------------
# rename variables
#------------------------------------------------------------------------------
rename_variables ()
{
    renamed=0
    colecho "renaming parameter(s) ..." br x br
    
    # v1.0.5
    if [ ! -z "`grep ^EISFAX_SEND_DELETE_SENT $source_conf`" ]
    then
        echo "- EISFAX_SEND_DELETE_SENT -> EISFAX_SEND_ACTION"
        if [ "$EISFAX_SEND_DELETE_SENT" = "yes" ]
        then
            EISFAX_SEND_ACTION="delete"
        else
            EISFAX_SEND_ACTION="nothing"
        fi
        renamed=1
    fi    
    
    if [ $renamed = 1 ]
    then
        colecho "... read documentation for renamed parameter(s)!" br x br
        /var/install/bin/anykey
    else
        colecho "... nothing to do." br x br
    fi    
}

#------------------------------------------------------------------------------
# modify variables
#------------------------------------------------------------------------------
modify_variables ()
{
    modified=0
    colecho "modifying parameter(s) ..." br x br
    
#   if [ "$FETCHMAIL_LIMIT" = "" ]
#   then
#       echo "- FETCHMAIL_LIMIT, '' -> will now be interpreted as 4096000 bytes!"
#       modified=1
#   fi

    if [ $modified = 1 ]
    then
        colecho "... read documentation for modified parameter(s)!" br x br
        /var/install/bin/anykey
    else    
        colecho "... nothing to do." br x br
    fi
}

#------------------------------------------------------------------------------
# add variables
#------------------------------------------------------------------------------
add_variables ()
{
    added=0
    colecho "adding new parameter(s) ..." br x br

    # v1.0.5
    if [ -z "`grep ^EISFAX_TYPE $source_conf`" ]
    then
        echo "- EISFAX_TYPE='analog'"
        EISFAX_TYPE='analog'
        added=1
    fi    

    if [ -z "`grep ^EISFAX_RECEIVE_MSN $source_conf`" ]
    then
        echo "- EISFAX_RECEIVE_MSN=''"
        EISFAX_RECEIVE_MSN=''
        added=1
    fi    

    if [ -z "`grep ^EISFAX_SEND_MSN $source_conf`" ]
    then
        echo "- EISFAX_SEND_MSN=''"
        EISFAX_SEND_MSN=''
        added=1
    fi    

    if [ -z "`grep ^EISFAX_SEND_SUPPRESS_MSN $source_conf`" ]
    then
        echo "- EISFAX_SEND_SUPPRESS_MSN='no'"
        EISFAX_SEND_SUPPRESS_MSN='no'
        added=1
    fi    

    if [ -z "`grep ^EISFAX_SEND_USE_ISDN_FAXSERVICE $source_conf`" ]
    then
        echo "- EISFAX_SEND_USE_ISDN_FAXSERVICE='no'"
        EISFAX_SEND_USE_ISDN_FAXSERVICE='no'
        added=1
    fi    

    if [ -z "`grep ^EISFAX_LOG_COUNT $source_conf`" ]
    then
        echo "- EISFAX_LOG_COUNT='10'"
        EISFAX_LOG_COUNT='10'
        added=1
    fi    

    if [ -z "`grep ^EISFAX_LOG_INTERVAL $source_conf`" ]
    then
        echo "- EISFAX_LOG_INTERVAL='monthly'"
        EISFAX_LOG_INTERVAL='monthly'
        added=1
    fi    

    if [ -z "`grep ^EISFAX_SEND_ARCHIVE_PREFACE $source_conf`" ]
    then
        echo "- EISFAX_SEND_ARCHIVE_PREFACE='yes'"
        EISFAX_SEND_ARCHIVE_PREFACE='yes'
        added=1
    fi    

    if [ -z "`grep ^EISFAX_HEADER_PERUSER $source_conf`" ]
    then
        echo "- EISFAX_HEADER_PERUSER='yes'"
        EISFAX_HEADER_PERUSER='yes'
        added=1
    fi    

    if [ -z "`grep ^EISFAX_SEND_DEFAULTDELAY $source_conf`" ]
    then
        echo "- EISFAX_SEND_DEFAULTDELAY='18:00'"
        EISFAX_SEND_DEFAULTDELAY='18:00'
        added=1
    fi    

    # 1.0.7
    if [ -z "`grep ^EISFAX_RECEIVE_AUTOPRINT $source_conf`" ]
    then
        echo "- EISFAX_RECEIVE_AUTOPRINT='no'"
        EISFAX_RECEIVE_AUTOPRINT='no'
        added=1
    fi

    if [ -z "`grep ^EISFAX_RECEIVE_PRINTERQUEUE $source_conf`" ]
    then
        echo "- EISFAX_RECEIVE_PRINTERQUEUE='pr1'"
        EISFAX_RECEIVE_PRINTERQUEUE='pr1'
        added=1
    fi

    if [ -z "`grep ^EISFAX_RECEIVE_PRINTERDRIVER $source_conf`" ]
    then
        echo "- EISFAX_RECEIVE_PRINTERDRIVER='pcl3'"
        EISFAX_RECEIVE_PRINTERDRIVER='pcl3'
        added=1
    fi

    if [ -z "`grep ^EISFAX_SEND_MAIL_WITH_PDF $source_conf`" ]
    then
        echo "- EISFAX_SEND_MAIL_WITH_PDF='no'"
        EISFAX_SEND_MAIL_WITH_PDF='no'
        added=1
    fi

    # 1.0.8
    if [ -z "`grep ^EISFAX_REFRESH $source_conf`" ]
    then
        echo "- EISFAX_REFRESH='60'"
        EISFAX_REFRESH='60'
        added=1
    fi

    if [ $added -eq 1 ]
    then
        colecho "... read documentation for new parameter(s)!" br x br
        /var/install/bin/anykey
    else
        colecho "... nothing to do." br x br
    fi
}

#------------------------------------------------------------------------------
# delete variables
#------------------------------------------------------------------------------
delete_variables ()
{
    deleted=0
    colecho "deleting old parameters ..." br x br

    # v1.0.5
    for varname in "EISFAX_ADMINISTRATOR"
    do
        if [ ! -z "`grep \"^$varname\" $source_conf`" ]
        then
            echo "- $varname"
            echo "  all messages will now be send to user 'faxadm' by default!"
            deleted=1
        fi
    done

    if [ $deleted -eq 1 ]
    then
        /var/install/bin/anykey
    else
        colecho "... nothing to do." br x br
    fi
}

#------------------------------------------------------------------------------
# create new configuration
#------------------------------------------------------------------------------
create_config ()
{
    colecho "updating/creating configuration ..." br x br
    (
        echo '#------------------------------------------------------------------------------'
        echo '# /etc/config.d/eisfax - configuration for eisfax services on EIS/FAIR'
        echo '#'
        echo '# Copyright (c) 2002 Frank Meyer <frank(at)eisfair.org>'
        echo '#'
        echo '# Creation:     30.03.2003  sk'
        echo '# Last Update:  30.03.2003  sk'
        echo '#'
        echo '# This program is free software; you can redistribute it and/or modify'
        echo '# it under the terms of the GNU General Public License as published by'
        echo '# the Free Software Foundation; either version 2 of the License, or'
        echo '# (at your option) any later version.'
        echo '#------------------------------------------------------------------------------'
        echo
        echo "START_EISFAX='$START_EISFAX'`spaces \"$START_EISFAX\" 21` # start eisfax server: yes or no"
        echo
        echo '#------------------------------------------------------------------------------'
        echo '# global section'
        echo '#------------------------------------------------------------------------------'
        echo
        echo "EISFAX_TYPE='$EISFAX_TYPE'`spaces \"$EISFAX_TYPE\" 22` # fax type: 'analog' or 'isdn'"
        echo
        echo "EISFAX_ID='$EISFAX_ID'`spaces \"$EISFAX_ID\" 24` # Your Fax-ID (MSN)"
        echo "EISFAX_NAME='$EISFAX_NAME'`spaces \"$EISFAX_NAME\" 22` # fax station name (fax header, journals)"
        echo "EISFAX_PORTSPEED='$EISFAX_PORTSPEED'`spaces \"$EISFAX_PORTSPEED\" 17` # 19200, 38400"
        echo "EISFAX_INITSTRING='$EISFAX_INITSTRING'`spaces \"$EISFAX_INITSTRING\" 16` # modem initialisationstring"
        echo "EISFAX_REFRESH='60'`spaces \"$EISFAX_REFRESH\" 19` # Seconds to refresh in webfrontend. 0=never"
        echo
        echo '#------------------------------------------------------------------------------'
        echo '# receive configuration'
        echo '#------------------------------------------------------------------------------'
        echo
        echo "EISFAX_RECEIVE='$EISFAX_RECEIVE'`spaces \"$EISFAX_RECEIVE\" 19` # start fax receive daemon: yes or no"
        echo "EISFAX_RECEIVE_DEVICE='$EISFAX_RECEIVE_DEVICE'`spaces \"$EISFAX_RECEIVE_DEVICE\" 12` # device (1st comport=ttyS0, 2nd=ttyS1 ...)"
        echo "EISFAX_RECEIVE_MSN='$EISFAX_RECEIVE_MSN'`spaces \"$EISFAX_RECEIVE_MSN\" 15` # MSN to listen on for EISFAX_TYPE='isdn'"
        echo "EISFAX_RECEIVE_LOGLEVEL='$EISFAX_RECEIVE_LOGLEVEL'`spaces \"$EISFAX_RECEIVE_LOGLEVEL\" 10` # debug level: 0-9"
        echo "EISFAX_RECEIVE_AUTOMAIL='$EISFAX_RECEIVE_AUTOMAIL'`spaces \"$EISFAX_RECEIVE_AUTOMAIL\" 10` # mail received faxes?"
        echo "EISFAX_RECEIVE_AUTOMAIL_MAILADDR='$EISFAX_RECEIVE_AUTOMAIL_MAILADDR'`spaces \"$EISFAX_RECEIVE_AUTOMAIL_MAILADDR\" 1` # Mailaddress to send received faxdocuments."
        echo "EISFAX_RECEIVE_AUTOPRINT='$EISFAX_RECEIVE_AUTOPRINT' `spaces \"$EISFAX_RECEIVE_AUTOPRINT\" 8` # print received faxes: yes or no"
        echo "EISFAX_RECEIVE_PRINTERQUEUE='$EISFAX_RECEIVE_PRINTERQUEUE' `spaces \"$EISFAX_RECEIVE_PRINTERQUEUE\" 5` # printerqueue to print the faxes"
        echo "EISFAX_RECEIVE_PRINTERDRIVER='$EISFAX_RECEIVE_PRINTERDRIVER' `spaces \"$EISFAX_RECEIVE_PRINTERDRIVER\" 1` # printerdriver for your printer - see doc"
        echo
        echo '#------------------------------------------------------------------------------'
        echo '# send configuration'
        echo '#------------------------------------------------------------------------------'
        echo
        echo "EISFAX_SEND='$EISFAX_SEND'`spaces \"$EISFAX_SEND\" 22` # start fax send daemon: yes or no"
        echo "EISFAX_SEND_DEVICE='$EISFAX_SEND_DEVICE'`spaces \"$EISFAX_SEND_DEVICE\" 15` # Device, if more than one use this:"
        echo "                                     # 'ttyS0:ttyS1:ttyS2'"
        echo "EISFAX_SEND_MSN='$EISFAX_SEND_MSN'`spaces \"$EISFAX_SEND_MSN\" 18` # sender MSN for EISFAX_TYPE='isdn'"
        echo "EISFAX_SEND_SUPPRESS_MSN='$EISFAX_SEND_SUPPRESS_MSN'`spaces \"$EISFAX_SEND_SUPPRESS_MSN\" 9` # suppress MSN when sending: yes or no"
        echo "EISFAX_SEND_USE_ISDN_FAXSERVICE='$EISFAX_SEND_USE_ISDN_FAXSERVICE'`spaces \"$EISFAX_SEND_USE_ISDN_FAXSERVICE\" 2` # use isdn fax service indicator: yes or no"

        echo "EISFAX_SEND_DIALPREFIX='$EISFAX_SEND_DIALPREFIX'`spaces \"$EISFAX_SEND_DIALPREFIX\" 11` # dial prefix e.g. ATDT"
        echo "EISFAX_SEND_DENY='$EISFAX_SEND_DENY'`spaces \"$EISFAX_SEND_DENY\" 17` # list of usernames not allowed to fax"
	echo "                                     # FUNCTION NOT YET IMPLEMENTED"
	echo "EISFAX_SEND_DEFAULTDELAY='$EISFAX_SEND_DEFAULTDELAY'`spaces \"$EISFAX_SEND_DEFAULTDELAY\" 9` # Time to send delayed faxes"
        echo "EISFAX_SEND_MAIL_ON_SUCCESS='$EISFAX_SEND_MAIL_ON_SUCCESS'`spaces \"$EISFAX_SEND_MAIL_ON_SUCCESS\" 6` # controls whether a mail will be sent after"
        echo '                                     # successful completion of the fax job'
        echo "EISFAX_SEND_MAIL_ON_FAILURE='$EISFAX_SEND_MAIL_ON_FAILURE'`spaces \"$EISFAX_SEND_MAIL_ON_FAILURE\" 6` # controls whether a mail will be sent after"
        echo '                                     # the fax job has failed more than the maximum'
        echo '                                     # number of times'
        echo "EISFAX_SEND_MAIL_WITH_PDF='$EISFAX_SEND_MAIL_WITH_PDF' `spaces \"$EISFAX_SEND_MAIL_WITH_PDF\" 7` # attach faxed document as pdf to the mail"
        echo "EISFAX_SEND_MAXFAIL_COSTLY='$EISFAX_SEND_MAXFAIL_COSTLY'`spaces \"$EISFAX_SEND_MAXFAIL_COSTLY\" 7` # This specifies the number of times that a fax"
        echo '                                     # may fail "fatally", that is, causing telephone'
        echo '                                     # costs'
        echo "EISFAX_SEND_MAXFAIL_TOTAL='$EISFAX_SEND_MAXFAIL_TOTAL'`spaces \"$EISFAX_SEND_MAXFAIL_TOTAL\" 8` # This is the absolute maximum number of times"
        echo "                                     # that eisfax will try to send any given fax."
        echo "EISFAX_SEND_ACTION='$EISFAX_SEND_ACTION'`spaces \"$EISFAX_SEND_ACTION\" 15` # action after fax has been sent:"
        echo "                                     # nothing, delete, archive"
        echo "EISFAX_SEND_ARCHIVE_PREFACE='$EISFAX_SEND_ARCHIVE_PREFACE'`spaces \"$EISFAX_SEND_ARCHIVE_PREFACE\" 6` # Put a status preface on 1st page of archived PDF"
        echo
        echo "EISFAX_HEADER='$EISFAX_HEADER'"
	echo "                                     # fax header line"
	echo "                                     # see documentation for meaning of tokens @X@"
        echo "EISFAX_HEADER_DATE='$EISFAX_HEADER_DATE'`spaces \"$EISFAX_HEADER_DATE\" 15` # date format for fax header line"
	echo "                                     # e.g. EISFAX_HEADER_DATE='+%d.%m.%Y %H:%M Uhr'"
	echo "                                     # gives '23.01.2003 22:10 Uhr'"
	echo "EISFAX_HEADER_PERUSER='$EISFAX_HEADER_PERUSER'`spaces \"$EISFAX_HEADER_PERUSER\" 12` # individual header line permitted?"
        echo
        echo "#------------------------------------------------------------------------------"
        echo "# log handling"
        echo "#"
        echo "# Here you can specify how many logs should be saved and in what interval."
        echo "#"
        echo "# Example:"
        echo "#   EISFAX_LOG_COUNT='10' - save the last 10 log files"
        echo "#   EISFAX_LOG_INTERVAL='daily' - save one log file per day"
        echo "#------------------------------------------------------------------------------"
        echo
        echo "EISFAX_LOG_COUNT='$EISFAX_LOG_COUNT'`spaces \"$EISFAX_LOG_COUNT\" 17` # number of log files to save"
        echo "EISFAX_LOG_INTERVAL='$EISFAX_LOG_INTERVAL'`spaces \"$EISFAX_LOG_INTERVAL\" 14` # interval: daily, weekly, monthly"
        echo
        echo "#------------------------------------------------------------------------------"
        echo "# End"
        echo "#------------------------------------------------------------------------------"
    ) > $generate_conf
    colecho "... finished." br x br
    /var/install/bin/anykey
}

#==============================================================================
# main
#==============================================================================

# setting defaults
source_conf=$eisfaxfile.install
generate_conf=$eisfaxfile

goflag=0

case "$1"
in
    update)
        goflag=1
        ;;
    test)
      # source_conf=$eisfaxfile
       source_conf=$eisfaxfile.sample
      # source_conf=$eisfaxfile.sample.v1.0.4
      # source_conf=$eisfaxfile.sample.v1.0.5

        generate_conf=$testroot/etc/config.d/mk_eisfax.test
        goflag=1
        ;;
    *)
        echo
        echo "Use one of the following options:"
        echo
        echo "  eisfax-update [test]   - the file $eisfaxfile.sample will be read and a test configuration"
        echo "                           will be written to the file $testroot/etc/config.d/mk_eisfax.test."
        echo
        echo "  eisfax-update [update] - the file $eisfaxfile.import will be read, the configuration will"
        echo "                           be checked and an updated mail configuration file will be written."
        echo
        goflag=0
esac

if [ $goflag -eq 1 ]
then
    if [ -f $source_conf ]
    then
        # previous configuration file exists
        colecho "previous configuration found ..." br x br
        . $source_conf

        rename_variables
        modify_variables
        add_variables
        delete_variables

        create_config

        #backup is done in eisfax-edit script
        #mv $source_conf $eisfaxfile.backup
    else    
        colecho "no configuration $source_conf found - exiting." rd
    fi    
fi    

#==============================================================================
# end
#==============================================================================