Since the DAT files are so short lived on the server, have this port

automatically fetch the current DAT file.  The uvscan-dat port will
be removed shortly.

1 files changed, 31 insertions, 0 deletions

diff --git a/security/vscan/files/update_dat b/security/vscan/files/update_dat
new file mode 100644
index 000000000000..29283944a82e
--- /dev/null
+++ b/security/vscan/files/update_dat
@@ -0,0 +1,31 @@
+#!/bin/sh
+#
+# $Id$
+#
+cd @PREFIX@/libexec/uvscan/
+
+# Force a low default and then get the current version's value
+cur_AVVER="1"
+if [ -f "file_id.diz" ]; then
+	cur_AVVER="`tail -1 file_id.diz | sed -e 's/^(\(4[0-9]*\)).*$/\1/'`"
+fi
+
+# Find what the website has for the current version
+fetch -q http://download.nai.com/products/datfiles/4.x/nai/update.ini || exit 1
+AVVER="`grep DATVersion update.ini | head -1 | cut -f2 -d= | sed -e 's/^\(4[0-9]*\).$/\1/'`"
+rm -f update.ini
+
+# Check to make sure the requested version is "newer" then the current
+if [ "$cur_AVVER" -lt "$AVVER" ]; then
+	for i in *.tar ; do
+		[ -f "$i" ] && mv $i $i.old
+	done
+	fetch -q http://download.nai.com/products/datfiles/4.x/nai/dat-$AVVER.tar || exit 1
+	for i in *.dat ; do
+		[ -f "$i" ] && cp -p $i $i.bak
+	done
+	tar xf dat-$AVVER.tar || exit 1
+	rm -f *.old
+	echo "`date` Successfully updated AntiVirus DAT files to $AVVER"
+fi
+exit 0