From f12a5229a66ecdd30673255e7fa0b7ea71663b93 Mon Sep 17 00:00:00 2001
From: doktornotor <notordoktor@gmail.com>
Date: Tue, 15 Sep 2015 20:46:28 +0200
Subject: avahi - expose many more config options in GUI

---
 config/avahi/avahi.inc | 118 ++++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 91 insertions(+), 27 deletions(-)

(limited to 'config/avahi')

diff --git a/config/avahi/avahi.inc b/config/avahi/avahi.inc
index 4c824e71..ba89676f 100644
--- a/config/avahi/avahi.inc
+++ b/config/avahi/avahi.inc
@@ -63,23 +63,36 @@ function avahi_deinstall() {
 }
 
 function avahi_write_config() {
-	global $config;
+	global $config, $avahi_config;
 	conf_mount_rw();
 
 	// Pull some various values out of config.xml
+	if (isset($config['installedpackages']['avahi']['config'][0])) {
+		$avahi_config = $config['installedpackages']['avahi']['config'][0];
+	}
+	// Server Options
 	$hostname = $config['system']['hostname'];
 	$domain = $config['system']['domain'];
-	$enable = $config['installedpackages']['avahi']['config'][0]['enable'];
-	$browsedomains = $config['installedpackages']['avahi']['config'][0]['browsedomains'];
-	$denyif = $config['installedpackages']['avahi']['config'][0]['denyinterfaces'];
-	$useipv4 = ($config['installedpackages']['avahi']['config'][0]['disable_ipv4']) ? "no" : "yes";
-	$useipv6 = ($config['installedpackages']['avahi']['config'][0]['disable_ipv6']) ? "no" : "yes";
-	$usedbus = ($config['installedpackages']['avahi']['config'][0]['disable_dbus']) ? "no" : "yes";
-
-	// No supplied domains? Use the defaults.
-	if (!$browsedomains) {
-		$browsedomains = "local, 0pointer.de, zeroconf.org";
-	}
+	$enable = $avahi_config['enable'];
+	$browsedomains = $avahi_config['browsedomains'] ?: "local";
+	$denyif = $avahi_config['denyinterfaces'];
+	$useipv4 = ($avahi_config['enable_ipv4']) ? "yes" : "no";
+	$useipv6 = ($avahi_config['enable_ipv6']) ? "yes" : "no";
+	$usedbus = ($avahi_config['disable_dbus']) ? "no" : "yes";
+	// Wide Area
+	$widearea = ($avahi_config['enable_wide_area']) ? "yes" : "no";
+	// Publishing Options
+	$publish = ($avahi_config['disable_publishing']) ? "no" : "yes";
+	$userpublish = ($avahi_config['disable_user_service_publishing']) ? "no" : "yes";
+	$addresspublish = ($avahi_config['publish_addresses']) ? "yes" : "no";
+	$cookie = ($avahi_config['add_service_cookie']) ? "yes" : "no";
+	$hinfopublish = ($avahi_config['publish_hinfo']) ? "yes" : "no";
+	$wspublish = ($avahi_config['publish_workstation']) ? "yes" : "no";
+	$aaaaonv4 = ($avahi_config['publish_aaaa_on_ipv4']) ? "yes" : "no";
+	$aonv6 = ($avahi_config['publish_a_on_ipv6']) ? "yes" : "no";
+	// Reflector Options
+	$reflect = ($avahi_config['enable_reflector']) ? "yes" : "no";
+	$reflectipv = ($avahi_config['reflect_ipv']) ? "yes" : "no";
 
 	// Never pass along WAN. Bad.
 	$denyinterfaces = $config['interfaces']['wan']['if'];
@@ -94,6 +107,15 @@ function avahi_write_config() {
 			}
 		}
 	}
+	
+	// Process DNS servers and omit localhost if present in /etc/resolv.conf
+	$publishdns = '';
+	$dns = implode(" ", get_dns_servers());
+	$dns = trim(str_replace('127.0.0.1', '', $dns));
+	$dns = str_replace(' ', ', ', $dns);
+	if ($dns) {
+		$publishdns = "publish-dns-servers={$dns}";
+	}
 
 	// Construct the avahi configuration
 	$avahiconfig = <<<EOF
@@ -116,24 +138,24 @@ enable-dbus={$usedbus}
 allow-point-to-point=yes
 
 [wide-area]
-enable-wide-area=yes
+enable-wide-area={$widearea}
 
 [publish]
-#disable-publishing=no
-#disable-user-service-publishing=no
-#add-service-cookie=no
-#publish-addresses=yes
-#publish-hinfo=yes
-#publish-workstation=yes
+disable-publishing={$publish}
+disable-user-service-publishing={$userpublish}
+add-service-cookie={$cookie}
+publish-addresses={$addresspublish}
+publish-hinfo={$hinfopublish}
+publish-workstation={$wspublish}
 #publish-domain=yes
-#publish-dns-servers=192.168.50.1, 192.168.50.2
+{$publishdns}
 #publish-resolv-conf-dns-servers=yes
-#publish-aaaa-on-ipv4=yes
-#publish-a-on-ipv6=no
+publish-aaaa-on-ipv4={$aaaaonv4}
+publish-a-on-ipv6={$aonv6}
 
 [reflector]
-enable-reflector=yes
-#reflect-ipv=no
+enable-reflector={$reflect}
+reflect-ipv={$reflectipv}
 
 [rlimits]
 rlimit-core=0
@@ -162,7 +184,7 @@ EOF;
 	$start .= "	/bin/ln -sf " . AVAHI_BASE . "/etc/gnome.subr /usr/local/etc/gnome.subr\n";
 	$start .= "fi\n";
 	$start .= "/usr/bin/killall avahi-daemon >/dev/null 2>&1\n";
-	if (!$config['installedpackages']['avahi']['config'][0]['disable_dbus']) {
+	if (!$avahi_config['disable_dbus']) {
 		$start .= "if [ ! -d /var/run/dbus ]; then\n";
 		$start .= "        /bin/mkdir /var/run/dbus\n";
 		$start .= "        /usr/sbin/chown messagebus:messagebus /var/run/dbus\n";
@@ -178,7 +200,7 @@ EOF;
 	$start .= "/etc/rc.conf_mount_ro\n";
 
 	$stop = "/usr/bin/killall avahi-daemon >/dev/null 2>&1\n";
-	if (!$config['installedpackages']['avahi']['config'][0]['disable_dbus']) {
+	if (!$avahi_config['disable_dbus']) {
 		if (file_exists(AVAHI_BASE . "/etc/rc.d/dbus")) {
 			$stop .= AVAHI_BASE . "/etc/rc.d/dbus onestop\n";
 			$stop .= "/bin/rm /var/run/dbus/dbus.pid >/dev/null 2>&1\n";
@@ -203,9 +225,51 @@ function avahi_sync() {
 	}
 	avahi_write_config();
 	// Is package enabled?
-	if (($config['installedpackages']['avahi']['config'][0]['enable']) && file_exists("/usr/local/etc/rc.d/avahi-daemon.sh")) {
+	if ($config['installedpackages']['avahi']['config'][0]['enable']) {
 		start_service("avahi");
 	}
 }
 
+function avahi_upgrade_config() {
+	global $config, $avahi_config;
+
+	$avahi_config =& $config['installedpackages']['avahi']['config'][0];
+	if (!is_array($avahi_config)) {
+		$avahi_config = array();
+	}
+	$changes = 0;
+	// Convert previous disable values to enable ones
+	// If broken settings were configured due to lack of validation, just set to defaults
+	if (isset($avahi_config['disable_ipv4']) && isset($avahi_config['disable_ipv6']) && $avahi_config['disable_ipv4'] == "on" && $avahi_config['disable_ipv6'] == "on") {
+		$avahi_config['enable_ipv4'] = "on";
+		$avahi_config['enable_ipv6'] = "on";
+		unset($avahi_config['disable_ipv4']);
+		unset($avahi_config['disable_ipv6']);
+		$changes++;
+	} elseif (isset($avahi_config['disable_ipv4']) && $avahi_config['disable_ipv4'] != "on") {
+		$avahi_config['enable_ipv4'] = "on";
+		unset($avahi_config['disable_ipv4']);
+		$changes++;
+	} elseif (isset($avahi_config['disable_ipv6']) && $avahi_config['disable_ipv6'] != "on") {
+		$avahi_config['enable_ipv6'] = "on";
+		unset($avahi_config['disable_ipv6']);
+		$changes++;
+	}
+	if ($changes > 0 ) {
+		write_config("[avahi] Upgraded old package configuration.");
+	}
+}
+
+function avahi_validate_input($post, &$input_errors) {
+	if (($post['enable_ipv4'] != "on" ) && ($post['enable_ipv6'] != "on" )) {
+		$input_errors[] = gettext("You cannot disable both IPv4 and IPv6!");
+	}
+	if (($post['enable_ipv4'] != "on" ) && ($post['publish_aaaa_on_ipv4'] == "on" )) {
+		$input_errors[] = gettext("'Publish AAAA records on IPv4' makes no sense with IPv4 disabled.");
+	}
+	if (($post['enable_ipv6'] != "on" ) && ($post['publish_a_on_ipv6'] == "on" )) {
+		$input_errors[] = gettext("'Publish A records on IPv6' makes no sense with IPv6 disabled.");
+	}
+}
+
 ?>
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