#!/bin/sh
BACKUP_DIR="/opt/backup"
MOUNT_POINT="/mnt/win"
REMOTE_USER=linux
REMOTE_PASS=superPASS
REMOTE_DIR=backup
BACKUP_HOST=192.168.0.20
REMOTE_SHARE='linux$'
TMP_FILE=linux.tar
SECURE_PASS=BackupPASS
PROCEED_IMAP=1
IMAP_DIR="/var/spool/imap"

/bin/rm -f ${BACKUP_DIR}/${TMP_FILE}
/bin/rm -f ${BACKUP_DIR}/${TMP_FILE}.gpg
/bin/tar --dereference --create --file ${BACKUP_DIR}/${TMP_FILE} ${BACKUP_DIR}/*_last* 2>/dev/null
echo ${SECURE_PASS} | /usr/bin/gpg --homedir /root --passphrase-fd 0 --symmetric \
		--compress-level 0 --batch --quiet ${BACKUP_DIR}/${TMP_FILE}
/bin/rm ${BACKUP_DIR}/${TMP_FILE}
# Check MOUNT_POINT to be exist
if [ ! -d ${MOUNT_POINT} ]; then
	/bin/mkdir ${MOUNT_POINT}
fi
# Check MOUNT_POINT to not be already mounted
/bin/mount | /bin/grep --silent "${MOUNT_POINT}"
if [ $? -eq 0 ]; then
	/bin/umount ${MOUNT_POINT}
fi
# Check REMOTE_DIR to not be local
if [ -d ${MOUNT_POINT}/${REMOTE_DIR} ]; then
	/bin/rm -fd ${MOUNT_POINT}/${REMOTE_DIR}
fi
/bin/mount -o"username=${REMOTE_USER},password=${REMOTE_PASS}" -t smbfs \
		//${BACKUP_HOST}/${REMOTE_SHARE} ${MOUNT_POINT} >/dev/null
if [ $? -ne 0 ]; then
	echo "Can not mount share"
	/bin/rm ${BACKUP_DIR}/${TMP_FILE}.gpg
	exit 1
fi
if [ ! -d ${MOUNT_POINT}/${REMOTE_DIR} ]; then
        echo "REMOTE_DIR(${REMOTE_DIR}) does not exist on REMOTE_SHARE(${REMOTE_SHARE})"
	/bin/rm ${BACKUP_DIR}/${TMP_FILE}.gpg
	exit 1
fi
/bin/cp ${BACKUP_DIR}/${TMP_FILE}.gpg ${MOUNT_POINT}/${REMOTE_DIR}/
/bin/rm ${BACKUP_DIR}/${TMP_FILE}.gpg
if [ ${PROCEED_IMAP} -eq 1 ]; then
	/bin/tar cPpjf ${MOUNT_POINT}/${REMOTE_DIR}/imap.tbz \
		--exclude /var/spool/imap/socket/lmtp \
		${IMAP_DIR} >/dev/null	
fi
/bin/date > ${MOUNT_POINT}/${REMOTE_DIR}/timestamp
/bin/umount ${MOUNT_POINT}