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authorScott Ullrich <sullrich@pfsense.org>2007-09-25 16:29:05 +0000
committerScott Ullrich <sullrich@pfsense.org>2007-09-25 16:29:05 +0000
commitbec6d7ff062b9760b76d1be796fae3db5f6accf1 (patch)
tree7bb3f88795d4dfbc0d4df7a758743112fea2b961 /usr
parenta3e9c8d34acac0700a9c9cf9a740e543b5785663 (diff)
downloadpfsense-bec6d7ff062b9760b76d1be796fae3db5f6accf1.zip
pfsense-bec6d7ff062b9760b76d1be796fae3db5f6accf1.tar.gz
Add update_dns_cache.sh file which monitors dns addresses and looks for changes. A filter reload will be triggered if host ips differ
Diffstat (limited to 'usr')
-rwxr-xr-xusr/sbin/update_dns_cache.sh17
1 files changed, 17 insertions, 0 deletions
diff --git a/usr/sbin/update_dns_cache.sh b/usr/sbin/update_dns_cache.sh
new file mode 100755
index 0000000..49ee231
--- /dev/null
+++ b/usr/sbin/update_dns_cache.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+while [ /bin/true ]; do
+ cd /var/db/dnscache
+ needsfilterreload=0
+ for FILE in *; do
+ OLDIP=`cat $FILE`
+ NEWIP=`host $FILE | awk '{ print $4 }'`
+ if [ "$OLDIP" != "$NEWIP" ]; then
+ needsfilterreload=1
+ fi
+ done
+ if [ "$needsfilterreload" -gt 0 ]; then
+ /etc/rc.filter_configure_sync
+ fi
+ sleep 480
+done
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