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|
#!/bin/sh
UVSCANDIR="@UVSCANDIR@"
DAT_SITE="ftp://ftp.nai.com/pub/datfiles/english/"
DAT_FILES="@DATFILES@"
TMPDIR="${TMPDIR:-/tmp}/$$"
AWK="@AWK@"
BASENAME="@BASENAME@"
CP="@CP@"
ECHO="@ECHO@"
GREP="@GREP@"
GTAR="@GTAR@"
MKDIR="@MKDIR@"
MV="@MV@"
RM="@RM@"
SED="@SED@"
progname=`${BASENAME} $0`
while getopts vf: arg; do
case $arg in
v) verbose=1 ;;
f) dat_tar="${OPTARG}" ;;
esac
done
${MKDIR} ${TMPDIR}
if [ -n "$dat_tar" ]; then
if ! (${GTAR} -x -C ${TMPDIR} -f $dat_tar readme.txt >/dev/null); then
${ECHO} "$progname: unable to extract readme.txt"
${RM} -rf ${TMPDIR}
exit 1
fi
else
# Fetch the ReadMe file to read the latest version of the DAT files.
if ! (cd ${TMPDIR}; ftp ${DAT_SITE}readme.txt >/dev/null); then
${ECHO} "$progname: unable to fetch ${DAT_SITE}readme.txt"
${RM} -rf ${TMPDIR}
exit 1
fi
fi
curver=`${AWK} '/DAT Version/ { print $4; exit }' ${TMPDIR}/readme.txt | ${SED} -e 's/^.*\([0-9][0-9][0-9][0-9]\).*$/\1/'`
oldver=`${AWK} '/DAT Version/ { print $4; exit }' ${UVSCANDIR}/readme.txt | ${SED} -e 's/^.*\([0-9][0-9][0-9][0-9]\).*$/\1/'`
if [ $curver -le $oldver ]; then
if [ -z "$verbose" ]; then
${ECHO} "$progname: VirusScan DAT files are current ($oldver)"
fi
else
if [ -z "$dat_tar" ]; then
dat_tar=${DAT_SITE}dat-$curver.tar
if (cd ${TMPDIR}; ftp $dat_tar >/dev/null); then
dat_tar=${TMPDIR}/dat-$curver.tar
else
${ECHO} "$progname: unable to fetch $dat_tar"
${RM} -rf ${TMPDIR}
exit 1
fi
fi
${GTAR} -x -C ${TMPDIR} -f $dat_tar
# Backup old dat-* tar files.
if [ "`${ECHO} ${UVSCANDIR}/*.tar`" != "${UVSCANDIR}/*.tar" ]; then
for file in ${UVSCANDIR}/*.tar; do
${MV} -f $file $file.old
done
fi
# Backup old DAT files.
for file in ${DAT_FILES}; do
file=${UVSCANDIR}/$file
if [ -f $file ]; then
${MV} -f $file $file.bak
fi
done
# Copy new DAT files into place.
for file in ${DAT_FILES}; do
${CP} -f ${TMPDIR}/$file ${UVSCANDIR}/$file
done
${CP} -f $dat_tar ${UVSCANDIR}
${RM} -f ${UVSCANDIR}/*.old
${ECHO} `date` Successfully updated VirusScan DAT files to $curver.
fi
${RM} -rf ${TMPDIR}
exit 0
|
