Changeset 2905

Timestamp:

Jan 18, 2010, 3:32:44 AM (15 years ago)

Author:

gdb

Message:

Make sed not hang when there are no firewall files

Location:

trunk/packages/invirt-iptables/debian

Files:

• changelog (modified) (1 diff)
• invirt-iptables.init (modified) (1 diff)

trunk/packages/invirt-iptables/debian/changelog

@@ +1 @@
+invirt-iptables (1.0.1) unstable; urgency=low
+
+  * Make sed not hang when there are no firewall files
+
+ -- Greg Brockman <gdb@mit.edu>  Mon, 18 Jan 2010 03:30:21 -0500
+
 invirt-iptables (1) unstable; urgency=low
 

trunk/packages/invirt-iptables/debian/invirt-iptables.init

@@ -23 +23 @@
         echo 1 > /proc/sys/net/ipv4/ip_forward
 
-        for table in $(sed -ne 's/^*//p' $(run-parts --list "$RULES")); do
-            iptables -t "$table" -F
-        done
-        cat $(run-parts --list "$RULES") | iptables-restore -n
+        list=$(run-parts --list "$RULES")
+
+        if [ ! -z "$list" ]; then
+            for table in $(sed -ne 's/^*//p' $list); do
+                iptables -t "$table" -F
+            done
+            cat $list | iptables-restore -n
+        fi
 }