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authorMichael Biebl <biebl@debian.org>2010-11-29 00:47:11 +0100
committerMichael Biebl <biebl@debian.org>2010-11-29 00:47:11 +0100
commit9fae01fa351805b2903e535736e06971bc0b925e (patch)
treec19bccf84c9f894e50fae678ba6ee2b2044e2d30 /system-settings/plugins/ifcfg-suse/plugin.c
Imported Upstream version 0.8.1 upstream/0.8.1
Diffstat (limited to 'system-settings/plugins/ifcfg-suse/plugin.c')
-rw-r--r--system-settings/plugins/ifcfg-suse/plugin.c322
1 files changed, 322 insertions, 0 deletions
diff --git a/system-settings/plugins/ifcfg-suse/plugin.c b/system-settings/plugins/ifcfg-suse/plugin.c
new file mode 100644
index 00000000..26c73d2d
--- /dev/null
+++ b/system-settings/plugins/ifcfg-suse/plugin.c
@@ -0,0 +1,322 @@
+/* -*- Mode: C; tab-width: 5; indent-tabs-mode: t; c-basic-offset: 5 -*- */
+
+/* NetworkManager system settings service
+ *
+ * Søren Sandmann <sandmann@daimi.au.dk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * (C) Copyright 2007 - 2009 Red Hat, Inc.
+ * (C) Copyright 2007 - 2008 Novell, Inc.
+ */
+
+#include <config.h>
+#include <string.h>
+
+#include <gmodule.h>
+#include <glib-object.h>
+#include <gio/gio.h>
+
+#include "plugin.h"
+#include "nm-system-config-interface.h"
+
+#define IFCFG_PLUGIN_NAME "ifcfg-suse"
+#define IFCFG_PLUGIN_INFO "(C) 2008 Novell, Inc.  To report bugs please use the NetworkManager mailing list."
+#define IFCFG_DIR SYSCONFDIR "/sysconfig/network"
+#define CONF_DHCP IFCFG_DIR "/dhcp"
+#define HOSTNAME_FILE "/etc/HOSTNAME"
+
+static void system_config_interface_init (NMSystemConfigInterface *system_config_interface_class);
+
+G_DEFINE_TYPE_EXTENDED (SCPluginIfcfg, sc_plugin_ifcfg, G_TYPE_OBJECT, 0,
+                        G_IMPLEMENT_INTERFACE (NM_TYPE_SYSTEM_CONFIG_INTERFACE,
+                                               system_config_interface_init))
+
+#define SC_PLUGIN_IFCFG_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), SC_TYPE_PLUGIN_IFCFG, SCPluginIfcfgPrivate))
+
+
+#define IFCFG_FILE_PATH_TAG "ifcfg-file-path"
+
+typedef struct {
+	GFileMonitor *hostname_monitor;
+	GFileMonitor *dhcp_monitor;
+	char *hostname;
+} SCPluginIfcfgPrivate;
+
+GQuark
+ifcfg_plugin_error_quark (void)
+{
+	static GQuark error_quark = 0;
+
+	if (G_UNLIKELY (error_quark == 0))
+		error_quark = g_quark_from_static_string ("ifcfg-plugin-error-quark");
+
+	return error_quark;
+}
+
+typedef void (*FileChangedFn) (gpointer user_data);
+
+typedef struct {
+	FileChangedFn callback;
+	gpointer user_data;
+} FileMonitorInfo;
+
+static void
+file_changed (GFileMonitor *monitor,
+		    GFile *file,
+		    GFile *other_file,
+		    GFileMonitorEvent event_type,
+		    gpointer user_data)
+{
+	FileMonitorInfo *info;
+
+	switch (event_type) {
+	case G_FILE_MONITOR_EVENT_CHANGES_DONE_HINT:
+	case G_FILE_MONITOR_EVENT_DELETED:
+		info = (FileMonitorInfo *) user_data;
+		info->callback (info->user_data);
+		break;
+	default:
+		break;
+	}
+}
+
+static GFileMonitor *
+monitor_file_changes (const char *filename,
+				  FileChangedFn callback,
+				  gpointer user_data)
+{
+	GFile *file;
+	GFileMonitor *monitor;
+	FileMonitorInfo *info;
+
+	file = g_file_new_for_path (filename);
+	monitor = g_file_monitor_file (file, G_FILE_MONITOR_NONE, NULL, NULL);
+	g_object_unref (file);
+
+	if (monitor) {
+		info = g_new0 (FileMonitorInfo, 1);
+		info->callback = callback;
+		info->user_data = user_data;
+		g_object_weak_ref (G_OBJECT (monitor), (GWeakNotify) g_free, info);
+		g_signal_connect (monitor, "changed", G_CALLBACK (file_changed), info);
+	}
+
+	return monitor;
+}
+
+static gboolean
+hostname_is_dynamic (void)
+{
+	GIOChannel *channel;
+	const char *pattern = "DHCLIENT_SET_HOSTNAME=";
+	char *str = NULL;
+	int pattern_len;
+	gboolean dynamic = FALSE;
+
+	channel = g_io_channel_new_file (CONF_DHCP, "r", NULL);
+	if (!channel)
+		return dynamic;
+
+	pattern_len = strlen (pattern);
+
+	while (g_io_channel_read_line (channel, &str, NULL, NULL, NULL) != G_IO_STATUS_EOF) {
+		if (!strncmp (str, pattern, pattern_len)) {
+			if (!strncmp (str + pattern_len, "\"yes\"", 5))
+				dynamic = TRUE;
+			break;
+		}
+		g_free (str);
+	}
+
+	g_io_channel_shutdown (channel, FALSE, NULL);
+	g_io_channel_unref (channel);
+
+	return dynamic;
+}
+
+static char *
+hostname_read ()
+{
+	GIOChannel *channel;
+	char *hostname = NULL;
+
+	channel = g_io_channel_new_file (HOSTNAME_FILE, "r", NULL);
+	if (channel) {
+		g_io_channel_read_line (channel, &hostname, NULL, NULL, NULL);
+		g_io_channel_shutdown (channel, FALSE, NULL);
+		g_io_channel_unref (channel);
+
+		if (hostname)
+			hostname = g_strchomp (hostname);
+	}
+
+	return hostname;
+}
+
+static void
+hostname_changed (gpointer data)
+{
+	SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (data);
+
+	g_free (priv->hostname);
+	if (hostname_is_dynamic ())
+		priv->hostname = NULL;
+	else
+		priv->hostname = hostname_read ();
+
+	g_object_notify (G_OBJECT (data), NM_SYSTEM_CONFIG_INTERFACE_HOSTNAME);
+}
+
+static void
+plugin_set_hostname (SCPluginIfcfg *plugin, const char *hostname)
+{
+	SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (plugin);
+	GIOChannel *channel;
+
+	channel = g_io_channel_new_file (HOSTNAME_FILE, "w", NULL);
+	if (channel) {
+		g_io_channel_write_chars (channel, hostname, -1, NULL, NULL);
+		g_io_channel_write_chars (channel, "\n", -1, NULL, NULL);
+		g_io_channel_shutdown (channel, TRUE, NULL);
+		g_io_channel_unref (channel);
+	}
+
+	g_free (priv->hostname);
+	priv->hostname = hostname ? g_strdup (hostname) : NULL;
+}
+
+static void
+init (NMSystemConfigInterface *config)
+{
+	SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (config);
+
+	priv->hostname_monitor = monitor_file_changes (HOSTNAME_FILE, hostname_changed, config);
+	priv->dhcp_monitor = monitor_file_changes (CONF_DHCP, hostname_changed, config);
+
+	if (!hostname_is_dynamic ())
+		priv->hostname = hostname_read ();
+}
+
+static void
+sc_plugin_ifcfg_init (SCPluginIfcfg *self)
+{
+}
+
+static void
+dispose (GObject *object)
+{
+	SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (object);
+
+	if (priv->dhcp_monitor)
+		g_object_unref (priv->dhcp_monitor);
+
+	if (priv->hostname_monitor)
+		g_object_unref (priv->hostname_monitor);
+
+	g_free (priv->hostname);
+
+	G_OBJECT_CLASS (sc_plugin_ifcfg_parent_class)->dispose (object);
+}
+
+static void
+get_property (GObject *object, guint prop_id,
+		    GValue *value, GParamSpec *pspec)
+{
+	switch (prop_id) {
+	case NM_SYSTEM_CONFIG_INTERFACE_PROP_NAME:
+		g_value_set_string (value, IFCFG_PLUGIN_NAME);
+		break;
+	case NM_SYSTEM_CONFIG_INTERFACE_PROP_INFO:
+		g_value_set_string (value, IFCFG_PLUGIN_INFO);
+		break;
+	case NM_SYSTEM_CONFIG_INTERFACE_PROP_CAPABILITIES:
+		g_value_set_uint (value, NM_SYSTEM_CONFIG_INTERFACE_CAP_MODIFY_HOSTNAME);
+		break;
+	case NM_SYSTEM_CONFIG_INTERFACE_PROP_HOSTNAME:
+		g_value_set_string (value, SC_PLUGIN_IFCFG_GET_PRIVATE (object)->hostname);
+		break;
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+		break;
+	}
+}
+
+static void
+set_property (GObject *object, guint prop_id,
+		    const GValue *value, GParamSpec *pspec)
+{
+	const char *hostname;
+
+	switch (prop_id) {
+	case NM_SYSTEM_CONFIG_INTERFACE_PROP_HOSTNAME:
+		hostname = g_value_get_string (value);
+		if (hostname && strlen (hostname) < 1)
+			hostname = NULL;
+		plugin_set_hostname (SC_PLUGIN_IFCFG (object), hostname);
+		break;
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+		break;
+	}
+}
+
+static void
+sc_plugin_ifcfg_class_init (SCPluginIfcfgClass *req_class)
+{
+	GObjectClass *object_class = G_OBJECT_CLASS (req_class);
+
+	g_type_class_add_private (req_class, sizeof (SCPluginIfcfgPrivate));
+
+	object_class->get_property = get_property;
+	object_class->set_property = set_property;
+	object_class->dispose = dispose;
+
+	g_object_class_override_property (object_class,
+							    NM_SYSTEM_CONFIG_INTERFACE_PROP_NAME,
+							    NM_SYSTEM_CONFIG_INTERFACE_NAME);
+
+	g_object_class_override_property (object_class,
+							    NM_SYSTEM_CONFIG_INTERFACE_PROP_INFO,
+							    NM_SYSTEM_CONFIG_INTERFACE_INFO);
+
+	g_object_class_override_property (object_class,
+							    NM_SYSTEM_CONFIG_INTERFACE_PROP_CAPABILITIES,
+							    NM_SYSTEM_CONFIG_INTERFACE_CAPABILITIES);
+
+	g_object_class_override_property (object_class,
+							    NM_SYSTEM_CONFIG_INTERFACE_PROP_HOSTNAME,
+							    NM_SYSTEM_CONFIG_INTERFACE_HOSTNAME);
+}
+
+static void
+system_config_interface_init (NMSystemConfigInterface *system_config_interface_class)
+{
+	/* interface implementation */
+	system_config_interface_class->init = init;
+}
+
+G_MODULE_EXPORT GObject *
+nm_system_config_factory (void)
+{
+	static SCPluginIfcfg *singleton = NULL;
+
+	if (!singleton)
+		singleton = SC_PLUGIN_IFCFG (g_object_new (SC_TYPE_PLUGIN_IFCFG, NULL));
+	else
+		g_object_ref (singleton);
+
+	return G_OBJECT (singleton);
+}