better detection of whether domain-name set using CLI is overriding

domain-search received from dhcp client. used in 'show dhcp client leases'

1 files changed, 14 insertions, 1 deletions

diff --git a/scripts/vyatta-show-dhclient.pl b/scripts/vyatta-show-dhclient.pl
index a158598..0f3990b 100755
--- a/scripts/vyatta-show-dhclient.pl
+++ b/scripts/vyatta-show-dhclient.pl
@@ -124,7 +124,20 @@ sub dhclient_show_lease {
     print "subnet mask: $new_subnet_mask\n" if defined $new_subnet_mask;
     if (defined $new_domain_name) {
       print "domain name: $new_domain_name";
-      if (`grep domain /etc/resolv.conf 2> /dev/null`) {
+      my $cli_domain_overrides = 0;
+      my $if_domain_exists = `grep domain /etc/resolv.conf 2> /dev/null | wc -l`;
+      if ($if_domain_exists > 0) {
+        my @domain = `grep domain /etc/resolv.conf`;
+        for my $each_domain_text_found (@domain) {
+               my @domain_text_split = split(/\t/, $each_domain_text_found, 2);
+               my $domain_at_start_of_line = $domain_text_split[0];
+               chomp $domain_at_start_of_line;
+               if ($domain_at_start_of_line eq "domain") {
+                   $cli_domain_overrides = 1;
+               }
+        }
+      }
+      if ($cli_domain_overrides == 1) {
         print "\t[overridden by domain-name set using CLI]\n";
       } else {
         print "\n";