From 252cc3f596616a30f225849024c33b9e81052134 Mon Sep 17 00:00:00 2001
From: jim-p <jimp@pfsense.org>
Date: Tue, 24 Feb 2015 12:50:56 -0500
Subject: Add CARP plugin support to quagga so it no longer needs a patch to
 rc.carp(master|backup).

---
 config/quagga_ospfd/quagga_ospfd.inc | 33 +++++++++++++++++++++++++++++++++
 config/quagga_ospfd/quagga_ospfd.xml |  7 ++++++-
 2 files changed, 39 insertions(+), 1 deletion(-)

(limited to 'config/quagga_ospfd')

diff --git a/config/quagga_ospfd/quagga_ospfd.inc b/config/quagga_ospfd/quagga_ospfd.inc
index d0c73263..3b5c153d 100644
--- a/config/quagga_ospfd/quagga_ospfd.inc
+++ b/config/quagga_ospfd/quagga_ospfd.inc
@@ -422,4 +422,37 @@ function quagga_get_carp_status_by_ip($ipaddr) {
 	return $status;
 }
 
+function quagga_plugin_carp($pluginparams) {
+	global $config;
+	require_once("service-utils.inc");
+	// Called when a CARP interface changes state
+	// $pluginparams['event'] either 'rc.carpmaster' or 'rc.carpbackup'
+	// $pluginparams['interface'] contains the affected interface
+
+	/* If there is no OSPF config, then stop */
+	if(is_array($config['installedpackages']['quaggaospfd']['config'])) {
+		$ospfd_conf = &$config['installedpackages']['quaggaospfd']['config'][0];
+	} else {
+		return null;
+	}
+	/* If there is no properly configured CARP status check IP, then stop */
+	if (!is_ipaddr($ospfd_conf['carpstatusip'])) {
+		return null;
+	}
+	list($vhid, $iface) = explode("@", trim($pluginparams['interface']));
+	$friendly = convert_real_interface_to_friendly_interface_name($iface);
+	$carp_iface = "{$friendly}_vip${vhid}";
+
+	/* If this CARP transition is not from the IP address to check, then stop. */
+	if (get_interface_ip($carp_iface) != $ospfd_conf['carpstatusip']) {
+		return null;
+	}
+
+	/* Start or stop the service as needed based on the CARP transition. */
+	if ($pluginparams['event'] == "rc.carpmaster") {
+		start_service("Quagga OSPFd");
+	} elseif ($pluginparams['event'] == "rc.carpbackup") {
+		stop_service("Quagga OSPFd");
+	}
+}
 ?>
diff --git a/config/quagga_ospfd/quagga_ospfd.xml b/config/quagga_ospfd/quagga_ospfd.xml
index 7964d1c0..5de2e3f8 100644
--- a/config/quagga_ospfd/quagga_ospfd.xml
+++ b/config/quagga_ospfd/quagga_ospfd.xml
@@ -1,6 +1,6 @@
 <packagegui>
 	<name>quagga_ospfd</name>
-	<version>0.6.3</version>
+	<version>0.6.4</version>
 	<title>Services: Quagga OSPFd</title>
 	<include_file>/usr/local/pkg/quagga_ospfd.inc</include_file>
 	<aftersaveredirect>pkg_edit.php?xml=quagga_ospfd.xml&amp;id=0</aftersaveredirect>
@@ -67,6 +67,11 @@
 		<executable>zebra</executable>
 		<description>Quagga core/abstraction daemon</description>
 	</service>
+	<plugins>
+		<item>
+			<type>plugin_carp</type>
+		</item>
+	</plugins>
 	<fields>
 		<field>
 			<fielddescr>Master Password</fielddescr>
-- 
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