libnm-glib: add nm_device_filter_connections()

1 files changed, 66 insertions, 3 deletions

diff --git a/libnm-glib/nm-device-ethernet.c b/libnm-glib/nm-device-ethernet.c
index e7a1fe2504..6584a3f96c 100644
--- a/libnm-glib/nm-device-ethernet.c
+++ b/libnm-glib/nm-device-ethernet.c
@@ -21,6 +21,14 @@
  * Copyright (C) 2007 - 2011 Red Hat, Inc.
  */
 
+#include <config.h>
+#include <string.h>
+#include <netinet/ether.h>
+
+#include <nm-setting-connection.h>
+#include <nm-setting-wired.h>
+#include <nm-setting-pppoe.h>
+
 #include "nm-device-ethernet.h"
 #include "nm-device-private.h"
 #include "nm-object-private.h"
@@ -186,6 +194,59 @@ nm_device_ethernet_get_carrier (NMDeviceEthernet *device)
 	return priv->carrier;
 }
 
+static GSList *
+filter_connections (NMDevice *device, const GSList *connections)
+{
+	GSList *filtered = NULL;
+	const GSList *iter;
+
+	for (iter = connections; iter; iter = g_slist_next (iter)) {
+		NMConnection *candidate = NM_CONNECTION (iter->data);
+		NMSettingConnection *s_con;
+		NMSettingWired *s_wired;
+		const char *ctype;
+		gboolean is_pppoe = FALSE;
+
+		s_con = (NMSettingConnection *) nm_connection_get_setting (candidate, NM_TYPE_SETTING_CONNECTION);
+		g_assert (s_con);
+
+		ctype = nm_setting_connection_get_connection_type (s_con);
+		if (!strcmp (ctype, NM_SETTING_PPPOE_SETTING_NAME))
+			is_pppoe = TRUE;
+		else if (strcmp (ctype, NM_SETTING_WIRED_SETTING_NAME) != 0)
+			continue;
+
+		s_wired = (NMSettingWired *) nm_connection_get_setting (candidate, NM_TYPE_SETTING_WIRED);
+		/* Wired setting optional for PPPoE */
+		if (!is_pppoe && !s_wired)
+			continue;
+
+		if (s_wired) {
+			const GByteArray *mac;
+			const char *perm_str;
+			struct ether_addr *perm_mac;
+
+			/* FIXME: filter using s390 subchannels when they are exported over the bus */
+
+			/* Check MAC address */
+			perm_str = nm_device_ethernet_get_permanent_hw_address (NM_DEVICE_ETHERNET (device));
+			if (perm_str) {
+				perm_mac = ether_aton (perm_str);
+				mac = nm_setting_wired_get_mac_address (s_wired);
+				if (mac && perm_mac && memcmp (mac->data, perm_mac->ether_addr_octet, ETH_ALEN))
+					continue;
+			}
+		}
+
+		/* Connection applies to this device */
+		filtered = g_slist_prepend (filtered, candidate);
+	}
+
+	return g_slist_reverse (filtered);
+}
+
+/***********************************************************/
+
 static void
 nm_device_ethernet_init (NMDeviceEthernet *device)
 {
@@ -298,17 +359,19 @@ get_property (GObject *object,
 }
 
 static void
-nm_device_ethernet_class_init (NMDeviceEthernetClass *device_class)
+nm_device_ethernet_class_init (NMDeviceEthernetClass *eth_class)
 {
-	GObjectClass *object_class = G_OBJECT_CLASS (device_class);
+	GObjectClass *object_class = G_OBJECT_CLASS (eth_class);
+	NMDeviceClass *device_class = NM_DEVICE_CLASS (eth_class);
 
-	g_type_class_add_private (device_class, sizeof (NMDeviceEthernetPrivate));
+	g_type_class_add_private (eth_class, sizeof (NMDeviceEthernetPrivate));
 
 	/* virtual methods */
 	object_class->constructor = constructor;
 	object_class->dispose = dispose;
 	object_class->finalize = finalize;
 	object_class->get_property = get_property;
+	device_class->filter_connections = filter_connections;
 
 	/* properties */