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author | Mohit Mehta <mohit.mehta@vyatta.com> | 2008-08-07 12:22:07 +0000 |
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committer | Mohit Mehta <mohit.mehta@vyatta.com> | 2008-08-07 12:22:07 +0000 |
commit | 552d741017f222b0ce5ec205f9f5f0dd86d5c508 (patch) | |
tree | d99516374383de6ab1996a5016ea0318fb48e619 | |
parent | cb7488952417b19d6a33ef7e9349ff13ca6e92da (diff) | |
download | vyatta-cfg-system-552d741017f222b0ce5ec205f9f5f0dd86d5c508.tar.gz vyatta-cfg-system-552d741017f222b0ce5ec205f9f5f0dd86d5c508.zip |
update dns forwarding nameservers on dhcp lease updates
-rw-r--r-- | scripts/dns-forwarding/vyatta-dns-forwarding.pl | 44 |
1 files changed, 35 insertions, 9 deletions
diff --git a/scripts/dns-forwarding/vyatta-dns-forwarding.pl b/scripts/dns-forwarding/vyatta-dns-forwarding.pl index 1e2a422f..c94e1a44 100644 --- a/scripts/dns-forwarding/vyatta-dns-forwarding.pl +++ b/scripts/dns-forwarding/vyatta-dns-forwarding.pl @@ -56,25 +56,42 @@ sub dnsforwarding_get_constants { } sub dnsforwarding_get_values { + + my $dhclient_script = shift; + my $output = ''; my $config = new VyattaConfig; my $use_dnsmasq_conf = 0; + my (@ignore_interfaces, $cache_size, @use_nameservers, $use_system_nameservers, @use_dhcp_nameservers); $config->setLevel("service dns forwarding"); - my @ignore_interfaces = $config->returnValues("ignore-interface"); - if ($#ignore_interfaces >= 0) { + if ($dhclient_script == 1){ + $config->{_active_dir_base} = "/opt/vyatta/config/active/"; + @ignore_interfaces = $config->returnOrigValues("ignore-interface"); + $cache_size = $config->returnOrigValue("cache-size"); + @use_nameservers = $config->returnOrigValues("name-server"); + $use_system_nameservers = $config->existsOrig("system"); + @use_dhcp_nameservers = $config->returnOrigValues("dhcp"); + + } else { + @ignore_interfaces = $config->returnValues("ignore-interface"); + $cache_size = $config->returnValue("cache-size"); + @use_nameservers = $config->returnValues("name-server"); + $use_system_nameservers = $config->exists("system"); + @use_dhcp_nameservers = $config->returnValues("dhcp"); + } + + if (@ignore_interfaces != 0) { foreach my $interface (@ignore_interfaces) { $output .= "except-interface=$interface\n"; } } - my $cache_size = $config->returnValue("cache-size"); if (defined $cache_size) { $output .= "cache-size=$cache_size\n"; } - my @use_nameservers = $config->returnValues("name-server"); if (@use_nameservers != 0){ $use_dnsmasq_conf = 1; foreach my $cli_nameserver (@use_nameservers) { @@ -82,12 +99,17 @@ sub dnsforwarding_get_values { } } - my $use_system_nameservers = $config->exists("system"); if (defined($use_system_nameservers)) { $use_dnsmasq_conf = 1; my $sys_config = new VyattaConfig; $sys_config->setLevel("system"); - my @system_nameservers = $sys_config->returnValues("name-server"); + my @system_nameservers; + if ($dhclient_script == 1){ + $sys_config->{_active_dir_base} = "/opt/vyatta/config/active/"; + @system_nameservers = $sys_config->returnOrigValues("name-server"); + } else { + @system_nameservers = $sys_config->returnValues("name-server"); + } if (@system_nameservers > 0) { foreach my $system_nameserver (@system_nameservers) { $output .= "server=$system_nameserver\n"; @@ -95,7 +117,6 @@ sub dnsforwarding_get_values { } } - my @use_dhcp_nameservers = $config->returnValues("dhcp"); if (@use_dhcp_nameservers != 0) { $use_dnsmasq_conf = 1; foreach my $interface (@use_dhcp_nameservers) { @@ -202,12 +223,13 @@ sub check_dhcp_interface { # main # -my ($update_dnsforwarding, $stop_dnsforwarding, $system_nameserver, $dhcp_interface, $dhcp_interface_nameserver); +my ($update_dnsforwarding, $stop_dnsforwarding, $system_nameserver, $dhcp_interface, $dhcp_interface_nameserver, $dhclient_script); GetOptions("update-dnsforwarding!" => \$update_dnsforwarding, "stop-dnsforwarding!" => \$stop_dnsforwarding, "system-nameserver!" => \$system_nameserver, "dhcp-interface-nameserver=s" => \$dhcp_interface_nameserver, + "dhclient-script!" => \$dhclient_script, "dhcp-interface=s" => \$dhcp_interface); if (defined $system_nameserver) { @@ -246,8 +268,12 @@ if (defined $update_dnsforwarding) { } } + my $called_from_dhclient_script = 0; + if (defined $dhclient_script){ + $called_from_dhclient_script = 1; + } $config = dnsforwarding_get_constants(); - $config .= dnsforwarding_get_values(); + $config .= dnsforwarding_get_values($called_from_dhclient_script); dnsforwarding_write_file($config); dnsforwarding_restart(); } |