From 0c029ec3b5564e67e645755c77dfee48d07a3344 Mon Sep 17 00:00:00 2001
From: John Southworth <john.southworth@vyatta.com>
Date: Mon, 19 Nov 2012 13:13:07 -0800
Subject: Bugfix 7613: cleanup firewall groups correctly

---
 scripts/firewall/vyatta-ipset.pl | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/scripts/firewall/vyatta-ipset.pl b/scripts/firewall/vyatta-ipset.pl
index ddac0b9..0627381 100755
--- a/scripts/firewall/vyatta-ipset.pl
+++ b/scripts/firewall/vyatta-ipset.pl
@@ -37,6 +37,16 @@ use IO::Prompt;
 use warnings;
 use strict;
 
+sub get_sys_sets {
+    my @sets = ();
+    my @lines = `ipset -L`;
+    foreach my $line (@lines) {
+        if ($line =~ /^Name:\s+(\w+)$/) {
+            push @sets, $1;
+        }
+    }
+    return @sets;
+}
 
 sub warn_before_reset {
   if (prompt("This can be temporarily disruptive: Proceed with reset? (Yes/No) [No] ", -ynd=>"n")) {
@@ -310,6 +320,20 @@ sub prune_deleted_sets {
       return $rc if (($rc = ipset_delete($g)));
     }
   }
+
+  # fixup system sets
+  my @sys_sets = get_sys_sets();
+  foreach my $set (@sys_sets) {
+    my $group = new Vyatta::IpTables::IpSet($set);
+    # only try groups with no references
+    if ($group->exists() && ($group->references() == 0)) {
+      my $type = $group->get_type();
+      $cfg->setLevel("firewall group $type-group");
+      next if ($cfg->isEffective($set)); # don't prune if still in config
+      my $rc;
+      return $rc if (($rc = ipset_delete($set)));
+    }
+  }
   exit 0;
 }
 
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