#!/bin/bash

startdate="`date +%Y-%m-%d-%a-%H.%M.%S`"
dow=`date +%A`
tarfilename=foo-${dow}
HOMEDIR="$HOME"
logname=${HOMEDIR}/logs/${startdate}-FTPBackup.log
enddate1="`date +%Y-%b-%d-%a-%H.%M.%S`"

url1=ftp.foo.com

# Change the NAS device's directory to where you want the files sent
############################################################

backdir1=disk1/some/place
LDIR=`pwd`
username=user
password=password
cd ${HOMEDIR} 

lftp1()

{
if [ "${NO_KILL}" != "true" ]
then
	lftp -e "set ftp:passive-mode on && cd ${backdir1} && put ${NEWTAR} && bye" -u ${username},${password} ${url1}
else
	lftp -e "set ftp:passive-mode on && cd ${backdir1} && put /tmp/${tarfilename}.tar.bz2 && bye" -u ${username},${password} ${url1}
fi

}

TAR()

{

	tar cvjf /tmp/${tarfilename}.tar.bz2 -X ${HOMEDIR}/excludes.conf ${HOMEDIR}  >> ${logname} 

}

checkTar ()

{

tar tfj /tmp/${tarfilename}.tar.bz2 &> /tmp/tar2; bzerr="$?"; echo $bzerr > /tmp/bz-check.list

echo "Verifying compressed data." | tee -a ${logname}
VERSTAT=`cat /tmp/bz-check.list`

if [ ${VERSTAT} -eq 0 ]
then
	echo "Verification of compressed data was successfull." | tee -a ${logname}
else
	echo "Compressed data appears to be corrupt.  Error ${VERSTAT}." | tee -a ${logname}
	exit 1
fi

    echo "Encrypting ${tarfilename}.tar.bz2" | tee -a ${logname}
    openssl des3 -a -salt -in /tmp/${tarfilename}.tar.bz2 -out /tmp/${tarfilename}.tar.bz2.enc -pass pass:somepasswordhere
    echo "${tarfilename}.tar.bz2.enc Encrypted" | tee -a ${logname}
	NEWTAR=/tmp/${tarfilename}.tar.bz2.enc

# to decrypt: openssl des3 -a -d -salt -in 2011-12-20.tar.bz2.enc -out 2011-12-20.tar.bz2 -pass pass:somepasswordhere

}

#Start the Ftp backup log
echo "AutoFTP backup script started ${startdate}" > $logname

### Checking for exclueds file, the adding file types to ignore
### make sure excludes.conf exists or tar command will blow up
### checks for and adds entries to excludes.conf
EXCLUDES=(
         *.tar
         *.tgz
         *.bz2
         *.bz
         *.google*
         *.mozilla*
         *.openoffice*
         *.DCOP*
         *.adobe*
         *.gconf*
         *.gnome2*
         *.mcop*
         *.thumbnail
         *.kde*
	 *Desktop*
         )

EXCLUDENUM=${#EXCLUDES[@]}
echo $EXCLUDENUM

[ -f $HOME/excludes.conf ] || touch $HOME/excludes.conf

for ((i=0; i<$EXCLUDENUM; i++))
do
   grep -w ${EXCLUDES[i]} excludes.conf
   EXERR=$?
   if [ $EXERR -eq 0 ]
   then
        echo "${EXCLUDES[i]} already in excludes.conf"
   else
        echo "adding ${EXCLUDES[i]} to excludes.conf" >>${logname}
        echo "${EXCLUDES[i]}" >>excludes.conf
   fi
done

### Code to clean up /tmp of old failed backups
#####################################
### The sed command will add a '- ' to the front of each of the
### lines in created in excludes.conf and put them in
### excludes.txt for the rsync command to use below.

if [ ! -f ${HOMEDIR}/excludes.txt ]
then
        sed 's/^/- /' excludes.conf > excludes.txt
        echo "Creating excludes.txt to be used by rsync." >> ${logname}
fi

### Cleaning up /tmp to prevent running out of storage space
#####################################

find /tmp/*.bz2 -mtime +2 -exec rm {} \;

### Call to create tarball
#######################################

echo "Compressing contents into backup file ${tarfilename}.tar.bz2" >> ${logname}
TAR
tarend="`date +%Y-%m-%d-%a-%H.%M.%S`"
echo "Backup tar file created ${tarend}" >> ${logname}

### Check and verify tarball then encrypt
#######################################
if [ "${NO_KILL}" != "true" ]
then
	checkTar
fi

### Start the FTP transmission
#######################################

echo "Starting FTP1 transmission ${startdate}" >> ${logname}
lftp1
if [ $? -ne 0 ]
then
	echo "FTP1 transmission failed" >> ${logname}
else
	echo "FTP1 transmission complete to remote computer at ${url1}"  >> $logname
fi

### Cleaning up tarballs

rm -rf /tmp/${tarfilename}.tar.bz2
rm -rf ${NEWTAR}

### Notes for e-mail
### yum install postfix
### cd /var/spool/postfix
### mkfifo pickup
### service postfix restart
### chkconfig postfix on	###this will set postfix to start on bootup###
### uncomment the following line to send e-mail everytime the script runs
# mailx -s "rsync backup log" <e-mail_addres@here.com> < $log
mailx -s "ftp logs ${license}" <e-mail_address@here.com> < ${logname}
echo "mailx -s "ftp logs ${license}" <e-mail_address@here.com < ${logname}" << ${logname}

exit;