File gnome-settings-daemon-system-proxy-configuration.diff of Package gnome-settings-daemon

From e61dc951c432d489b17e3bdaf1e566ac15958c6b Mon Sep 17 00:00:00 2001
From: Federico Mena Quintero <federico@novell.com>
Date: Thu, 14 Aug 2008 18:55:55 -0500
Subject: [PATCH 1/8] Add a new plugin for proxy settings.

We read the system's configuration from /etc/sysconfig/proxy and propagate it to
GNOME's GConf keys.
---
 plugins/proxy/Makefile.am                    |   57 +++
 plugins/proxy/gsd-proxy-manager.c            |  571 ++++++++++++++++++++++++++
 plugins/proxy/gsd-proxy-manager.h            |   57 +++
 plugins/proxy/gsd-proxy-plugin.c             |  103 +++++
 plugins/proxy/gsd-proxy-plugin.h             |   59 +++
 plugins/proxy/novell-sysconfig-proxy-helper  |   19 +
 plugins/proxy/proxy.gnome-settings-plugin.in |    8 +
 7 files changed, 874 insertions(+), 0 deletions(-)
 create mode 100644 plugins/proxy/Makefile.am
 create mode 100644 plugins/proxy/gsd-proxy-manager.c
 create mode 100644 plugins/proxy/gsd-proxy-manager.h
 create mode 100644 plugins/proxy/gsd-proxy-plugin.c
 create mode 100644 plugins/proxy/gsd-proxy-plugin.h
 create mode 100644 plugins/proxy/novell-sysconfig-proxy-helper
 create mode 100644 plugins/proxy/proxy.gnome-settings-plugin.in

Index: plugins/proxy/Makefile.am
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ plugins/proxy/Makefile.am	2010-01-13 16:44:52.000000000 +1100
@@ -0,0 +1,57 @@
+NULL =
+
+plugin_LTLIBRARIES = \
+	libproxy.la  \
+	$(NULL)
+
+libproxy_la_SOURCES = 		\
+	gsd-proxy-plugin.h	\
+	gsd-proxy-plugin.c	\
+	gsd-proxy-manager.h	\
+	gsd-proxy-manager.c	\
+	$(NULL)
+
+libproxy_la_CPPFLAGS = \
+	-I$(top_srcdir)/gnome-settings-daemon		\
+	-DGNOME_SETTINGS_LOCALEDIR=\""$(datadir)/locale"\" \
+	$(AM_CPPFLAGS)
+
+libproxy_la_CFLAGS = 				\
+	$(SETTINGS_PLUGIN_CFLAGS)		\
+	-DLIBEXECDIR="\"$(libexecdir)\""	\
+	$(AM_CFLAGS)
+
+libproxy_la_LDFLAGS = 		\
+	$(GSD_PLUGIN_LDFLAGS)	\
+	$(NULL)
+
+libproxy_la_LIBADD  = 		\
+	$(SETTINGS_PLUGIN_LIBS)	\
+	$(NULL)
+
+plugin_in_files = 		\
+	proxy.gnome-settings-plugin.in	\
+	$(NULL)
+
+plugin_DATA = $(plugin_in_files:.gnome-settings-plugin.in=.gnome-settings-plugin)
+
+helperdir = $(libexecdir)
+helperfile = novell-sysconfig-proxy-helper
+
+install-data-hook :
+	$(INSTALL_SCRIPT) $(srcdir)/$(helperfile) $(DESTDIR)$(libexecdir)/$(helperfile)
+
+EXTRA_DIST = 			\
+	$(plugin_in_files)	\
+	$(helperfile)		\
+	$(NULL)
+
+CLEANFILES = 			\
+	$(plugin_DATA)		\
+	$(NULL)
+
+DISTCLEANFILES =		\
+	$(plugin_DATA)		\
+	$(NULL)
+
+@GSD_INTLTOOL_PLUGIN_RULE@
Index: plugins/proxy/gsd-proxy-manager.c
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ plugins/proxy/gsd-proxy-manager.c	2010-01-13 16:44:52.000000000 +1100
@@ -0,0 +1,731 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2008 Rodrigo Moya <rodrigo@gnome-db.org>
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+#include "config.h"
+
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+
+#include <locale.h>
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <gio/gio.h>
+#include <gdk/gdk.h>
+#include <gdk/gdkx.h>
+#include <gtk/gtk.h>
+#include <gconf/gconf-client.h>
+
+#include "gnome-settings-profile.h"
+#include "gsd-proxy-manager.h"
+
+#define GSD_PROXY_MANAGER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GSD_TYPE_PROXY_MANAGER, GsdProxyManagerPrivate))
+
+/* Novell extension */
+#define KEY_USE_SYSTEM_SETTINGS			"/system/proxy/use_system_settings"		/* string */
+#define VAL_USE_SYSTEM_SETTINGS_ONLY_IF_NOT_SET	"only_if_mode_not_set"
+#define VAL_USE_SYSTEM_SETTINGS_SYSTEM_VALUES	"system_values"
+#define VAL_USE_SYSTEM_SETTINGS_USER_VALUES	"user_values"
+
+#define ETC_SYSCONFIG_PROXY_URI			"file:///etc/sysconfig/proxy"
+
+/* Gnome keys */
+#define DIR_PROXY				"/system/proxy"
+#define KEY_USE_HTTP_PROXY			"/system/http_proxy/use_http_proxy"		/* bool */
+#define KEY_HTTP_HOST				"/system/http_proxy/host"			/* string */
+#define KEY_HTTP_PORT				"/system/http_proxy/port"			/* int */
+#define KEY_HTTP_USE_AUTHENTICATION		"/system/http_proxy/use_authentication"		/* bool */
+#define KEY_HTTP_AUTHENTICATION_USER		"/system/http_proxy/authentication_user"	/* string */
+#define KEY_HTTP_AUTHENTICATION_PASSWORD	"/system/http_proxy/authentication_password"	/* string */
+#define KEY_HTTP_IGNORE_HOSTS			"/system/http_proxy/ignore_hosts"		/* list-of-string */
+#define KEY_MODE				"/system/proxy/mode"				/* string */
+#define KEY_SECURE_HOST				"/system/proxy/secure_host"			/* string */
+#define KEY_SECURE_PORT				"/system/proxy/secure_port"			/* int */
+#define KEY_FTP_HOST				"/system/proxy/ftp_host"			/* string */
+#define KEY_FTP_PORT				"/system/proxy/ftp_port"			/* int */
+#define KEY_SOCKS_HOST				"/system/proxy/socks_host"			/* string */
+#define KEY_SOCKS_PORT				"/system/proxy/socks_port"			/* int */
+#define KEY_AUTOCONFIG_URL			"/system/proxy/autoconfig_url"			/* string */
+
+struct GsdProxyManagerPrivate
+{
+        /* This is to avoid "sizeof (GsdProxyManagerPrivate) == 0" when adding
+         * the private struct with g_type_class_add_private().  Feel free to
+         * remove this dummy field if you add real fields here.
+         */
+        int dummy;
+};
+
+typedef struct {
+        char *proxy_enabled;	/* "yes"/"no" */
+        char *http_proxy;	/* "http://host:port" */
+        char *https_proxy;    /* "http://host:port" */
+        char *ftp_proxy;	/* "http://host:port" */
+        /* char *gopher_proxy; Gnome doesn't have a Gopher proxy setting as of 2.10 */
+        char *no_proxy;	/* "www.me.de, do.main, localhost" */
+        /* char *user;
+           * char *password;
+           * Yast2 currently doesn't support a public username/password; they are just
+           * stored in /root/.wgetrc and /root/.curlrc
+           */
+} SystemSettings;
+
+static void     gsd_proxy_manager_class_init  (GsdProxyManagerClass *klass);
+static void     gsd_proxy_manager_init        (GsdProxyManager      *proxy_manager);
+static void     gsd_proxy_manager_finalize    (GObject             *object);
+
+G_DEFINE_TYPE (GsdProxyManager, gsd_proxy_manager, G_TYPE_OBJECT)
+
+static gpointer manager_object = NULL;
+
+/* Returns whether the /system/proxy/mode key has ever been set by the user */
+static gboolean
+user_mode_is_set (GConfClient *config_client)
+{
+	GConfValue *value;
+
+	value = gconf_client_get_without_default (config_client, KEY_MODE, NULL);
+
+	if (value)
+	{
+		gconf_value_free (value);
+		return TRUE;
+	}
+	else
+		return FALSE;
+}
+
+static const char *
+until_newline (const char *str, char **dest)
+{
+	const char *p;
+
+	p = strchr (str, '\n');
+	if (!p)
+		p = str + strlen (str);
+
+	if (dest)
+		*dest = g_strstrip (g_strndup (str, p - str));
+
+	return p;
+}
+
+static const char *
+scan_for_token_and_jump_until_newline (const char *buf, const char *token, char **dest)
+{
+	int len;
+
+	len = strlen (token);
+
+	if (strncmp (buf, token, len) == 0)
+		return until_newline (buf + len, dest);
+	else
+		return buf;
+}
+
+/* Reads the system's proxy settings */
+static void
+read_system_settings (SystemSettings *settings)
+{
+	char *out;
+	const char *p;
+	int total_len;
+	struct tokens {
+		const char *token;
+		char **dest;
+	} tokens[] = {
+		{ "PROXY_ENABLED ", &settings->proxy_enabled },
+		{ "HTTP_PROXY ",    &settings->http_proxy },
+		{ "HTTPS_PROXY ",   &settings->https_proxy },
+		{ "FTP_PROXY ",     &settings->ftp_proxy },
+		{ "NO_PROXY ",      &settings->no_proxy }
+	};
+	int num_tokens = G_N_ELEMENTS (tokens);
+
+	settings->proxy_enabled = NULL;
+	settings->http_proxy = NULL;
+	settings->https_proxy = NULL;
+	settings->ftp_proxy = NULL;
+	settings->no_proxy = NULL;
+
+	if (!g_spawn_command_line_sync (LIBEXECDIR "/novell-sysconfig-proxy-helper",
+					&out,
+					NULL,
+					NULL,
+					NULL))
+
+		return;
+
+	total_len = strlen (out);
+
+	p = out;
+	while (p < out + total_len)
+	{
+		int i;
+
+		for (i = 0; i < num_tokens; i++)
+			p = scan_for_token_and_jump_until_newline (p, tokens[i].token, tokens[i].dest);
+
+		if (i == num_tokens)
+			p = until_newline (p, NULL);
+
+		if (*p == '\n')
+			p++;
+	}
+
+	g_free (out);
+}
+
+static void
+system_settings_free (SystemSettings *settings)
+{
+	g_free (settings->proxy_enabled);
+	g_free (settings->http_proxy);
+	g_free (settings->https_proxy);
+	g_free (settings->ftp_proxy);
+	g_free (settings->no_proxy);
+}
+
+/* Disables the proxy in the user's settings */
+static void
+copy_proxy_disabled (GConfClient *config_client)
+{
+	gconf_client_set_bool (config_client, KEY_USE_HTTP_PROXY, FALSE, NULL);
+	gconf_client_set_string (config_client, KEY_MODE, "none", NULL);
+}
+
+
+
+/* The following two functions (the main one being gedit_utils_decode_uri) are
+ * stolen from gedit/gedit/gedit-utils.c.  This is because GIO doesn't yet
+ * export a function to parse URIs, sigh.
+ */
+
+static void
+null_ptr (gchar **ptr)
+{
+        if (ptr)
+                *ptr = NULL;
+}
+
+/**
+* gedit_utils_decode_uri:
+* @uri: the uri to decode
+* @scheme: return value pointer for the uri's scheme (e.g. http, sftp, ...)
+* @user: return value pointer for the uri user info
+* @port: return value pointer for the uri port
+* @host: return value pointer for the uri host
+* @path: return value pointer for the uri path
+*
+* Parse and break an uri apart in its individual components like the uri
+* scheme, user info, port, host and path. The return value pointer can be
+* NULL to ignore certain parts of the uri. If the function returns TRUE, then
+* all return value pointers should be freed using g_free
+*
+* Return value: TRUE if the uri could be properly decoded, FALSE otherwise.
+*/
+static gboolean
+gedit_utils_decode_uri (const gchar *uri,
+                        gchar **scheme,
+                        gchar **user,
+                        gchar **host,
+                        gchar **port,
+                        gchar **path)
+{
+	/* Largely copied from glib/gio/gdummyfile.c:_g_decode_uri. This
+         * functionality should be in glib/gio, but for now we implement it
+         * ourselves (see bug #546182) */
+
+        const char *p, *in, *hier_part_start, *hier_part_end;
+        char *out;
+        char c;
+
+	/* From RFC 3986 Decodes:
+         * URI = scheme ":" hier-part [ "?" query ] [ "#" fragment ]
+         */
+
+        p = uri;
+
+        null_ptr (scheme);
+        null_ptr (user);
+        null_ptr (port);
+        null_ptr (host);
+        null_ptr (path);
+
+	/* Decode scheme:
+         * scheme = ALPHA *( ALPHA / DIGIT / "+" / "-" / "." )
+         */
+
+        if (!g_ascii_isalpha (*p))
+                return FALSE;
+
+        while (1) {
+                c = *p++;
+
+                if (c == ':')
+                        break;
+
+                if (!(g_ascii_isalnum(c) ||
+                      c == '+' ||
+                      c == '-' ||
+                      c == '.'))
+                        return FALSE;
+        }
+
+        if (scheme) {
+                *scheme = g_malloc (p - uri);
+                out = *scheme;
+
+                for (in = uri; in < p - 1; in++)
+                        *out++ = g_ascii_tolower (*in);
+
+                *out = '\0';
+        }
+
+        hier_part_start = p;
+        hier_part_end = p + strlen (p);
+
+        if (hier_part_start[0] == '/' && hier_part_start[1] == '/') {
+                const char *authority_start, *authority_end;
+                const char *userinfo_start, *userinfo_end;
+                const char *host_start, *host_end;
+                const char *port_start;
+
+                authority_start = hier_part_start + 2;
+		/* authority is always followed by / or nothing */
+                authority_end = memchr (authority_start, '/', hier_part_end - authority_start);
+
+                if (authority_end == NULL)
+                        authority_end = hier_part_end;
+
+		/* 3.2:
+                 * authority = [ userinfo "@" ] host [ ":" port ]
+                 */
+
+                userinfo_end = memchr (authority_start, '@', authority_end - authority_start);
+
+                if (userinfo_end) {
+                        userinfo_start = authority_start;
+
+                        if (user)
+                                *user = g_uri_unescape_segment (userinfo_start, userinfo_end, NULL);
+
+                        if (user && *user == NULL) {
+                                if (scheme)
+                                        g_free (*scheme);
+
+                                return FALSE;
+                        }
+
+                        host_start = userinfo_end + 1;
+                } else
+                        host_start = authority_start;
+
+                port_start = memchr (host_start, ':', authority_end - host_start);
+
+                if (port_start) {
+                        host_end = port_start++;
+
+                        if (port)
+                                *port = g_strndup (port_start, authority_end - port_start);
+                } else
+                        host_end = authority_end;
+
+                if (host)
+                        *host = g_strndup (host_start, host_end - host_start);
+
+                hier_part_start = authority_end;
+        }
+
+        if (path)
+                *path = g_uri_unescape_segment (hier_part_start, hier_part_end, "/");
+
+        return TRUE;
+}
+
+
+
+/* parses a URI to get the host and port */
+static gboolean
+parse_uri (const gchar *uri, gchar **host, guint *port)
+{
+        gchar *port_str;
+
+        if (!gedit_utils_decode_uri (uri,
+                                     NULL,     /* scheme */
+                                     NULL,     /* user */
+                                     host,     /* host */
+                                     &port_str, /* port */
+                                     NULL))    /* path */
+                return FALSE;
+
+        if (port_str) {
+                *port = atoi (port_str);
+                g_free (port_str);
+        } else
+                *port = 0;
+
+        g_debug ("Proxy host: %s:%d", *host, *port);
+
+        return TRUE;
+}
+
+/* Copies the (enabled) system proxy settings in the user's settings */
+static void
+copy_proxy_enabled (GConfClient *config_client, SystemSettings *settings)
+{
+	gchar *host;
+	guint port;
+
+	gconf_client_set_string (config_client, KEY_MODE, "manual", NULL);
+
+	/* 1. HTTP proxy */
+
+	/* Yast2 currently doesn't support a public username/password */
+	gconf_client_set_bool (config_client, KEY_HTTP_USE_AUTHENTICATION, FALSE, NULL);
+	gconf_client_set_string (config_client, KEY_HTTP_AUTHENTICATION_USER, "", NULL);
+	gconf_client_set_string (config_client, KEY_HTTP_AUTHENTICATION_PASSWORD, "", NULL);
+
+	if (parse_uri (settings->http_proxy, &host, &port))
+	{
+		gconf_client_set_bool (config_client, KEY_USE_HTTP_PROXY, TRUE, NULL);
+
+		gconf_client_set_string (config_client, KEY_HTTP_HOST, host, NULL);
+		gconf_client_set_int (config_client, KEY_HTTP_PORT, (int) port, NULL);
+
+		g_free (host);
+	}
+	else
+	{
+		gconf_client_set_bool (config_client, KEY_USE_HTTP_PROXY, FALSE, NULL);
+		gconf_client_set_string (config_client, KEY_HTTP_HOST, "", NULL);
+		gconf_client_set_int (config_client, KEY_HTTP_PORT, 0, NULL);
+		gconf_client_set_list (config_client, KEY_HTTP_IGNORE_HOSTS, GCONF_VALUE_STRING, NULL, NULL);      
+	}
+
+	/* 2. HTTPS proxy */
+
+	if (parse_uri (settings->https_proxy, &host, &port))
+	{
+		gconf_client_set_string (config_client, KEY_SECURE_HOST, host, NULL);
+		gconf_client_set_int (config_client, KEY_SECURE_PORT, (int) port, NULL);
+
+		g_free (host);
+	}
+	else
+	{
+		gconf_client_set_string (config_client, KEY_SECURE_HOST, "", NULL);
+		gconf_client_set_int (config_client, KEY_SECURE_PORT, 0, NULL);
+	}
+
+	/* 3. FTP proxy */
+
+	if (parse_uri (settings->ftp_proxy, &host, &port))
+	{
+		gconf_client_set_string (config_client, KEY_FTP_HOST, host, NULL);
+		gconf_client_set_int (config_client, KEY_FTP_PORT, (int) port, NULL);
+
+		g_free (host);
+	}
+	else
+	{
+		gconf_client_set_string (config_client, KEY_FTP_HOST, "", NULL);
+		gconf_client_set_int (config_client, KEY_FTP_PORT, 0, NULL);
+	}
+
+	/* 4. No-proxy hosts */
+
+	if (settings->no_proxy != NULL)
+	{
+		char **tokens;
+		int i;
+		GSList *list;
+
+		tokens = g_strsplit_set (settings->no_proxy, ", ", 0);
+
+		list = NULL;
+
+		for (i = 0; tokens[i] != NULL; i++)
+		{
+			char *s;
+
+			s = tokens[i];
+			if (strlen (s) != 0)
+				list = g_slist_prepend (list, s);
+		}
+
+		list = g_slist_reverse (list);
+
+		gconf_client_set_list (config_client, KEY_HTTP_IGNORE_HOSTS, GCONF_VALUE_STRING, list, NULL);
+
+		g_slist_free (list);
+		g_strfreev (tokens);
+	}
+	else
+		gconf_client_set_list (config_client, KEY_HTTP_IGNORE_HOSTS, GCONF_VALUE_STRING, NULL, NULL);
+}
+
+/* Copies the system's proxy settings to the user's settings */
+static void
+copy_system_to_user (GConfClient *config_client)
+{
+	SystemSettings settings;
+
+	read_system_settings (&settings);
+
+	if (settings.proxy_enabled == NULL)
+		copy_proxy_disabled (config_client);
+	else
+	{
+		if (strcmp (settings.proxy_enabled, "no") == 0)
+			copy_proxy_disabled (config_client);
+		else if (strcmp (settings.proxy_enabled, "yes") == 0)
+			copy_proxy_enabled (config_client, &settings);
+	}
+
+	system_settings_free (&settings);
+}
+
+static void
+use_system_settings_change (GConfClient *config_client, const char *value)
+{
+	if (strcmp (value, VAL_USE_SYSTEM_SETTINGS_SYSTEM_VALUES) == 0)
+	{
+		copy_system_to_user (config_client);
+	}
+	else if (strcmp (value, VAL_USE_SYSTEM_SETTINGS_USER_VALUES) == 0)
+	{
+		/* nothing; the user's values are already set */
+	}
+}
+
+static void
+dir_proxy_key_changed_cb (GConfEntry *entry)
+{
+	GConfClient *client = gconf_client_get_default ();
+	
+	if (strcmp (entry->key, KEY_USE_SYSTEM_SETTINGS) == 0)
+		use_system_settings_change (client, gconf_value_get_string (entry->value));
+        
+        g_object_unref (client);
+}
+
+static void
+copy_system_values_if_needed (GConfClient *client)
+{
+	char *value;
+
+	value = gconf_client_get_string (client, KEY_USE_SYSTEM_SETTINGS, NULL);
+	if (!value)
+		return;
+
+	use_system_settings_change (client, value);
+	g_free (value);
+}
+
+/* File monitor callback for /etc/sysconfig/proxy */
+static void
+monitor_cb (GFileMonitor *monitor,
+	    GFile *file,
+	    GFile *other_file,
+	    GFileMonitorEvent event_type,
+	    gpointer data)
+{
+        GConfClient *client;
+
+	if (event_type != G_FILE_MONITOR_EVENT_CHANGED)
+		return;
+
+        client = gconf_client_get_default ();
+	copy_system_values_if_needed (client);
+	g_object_unref (G_OBJECT (client));
+}
+
+gboolean
+gsd_proxy_manager_start (GsdProxyManager *manager,
+                         GError **error)
+{
+        GConfClient *config_client;
+        GFile *sysconfig_proxy;
+        GFileMonitor *monitor;
+	char *use_system_settings;
+
+        g_debug ("Starting proxy manager");
+        gnome_settings_profile_start (NULL);
+
+        config_client = gconf_client_get_default ();
+        
+        /* The very first time g-s-d is run, we change the user's keys if the new
+	 * use_system_settings key is not set at all or is set to the default.
+	 * Afterwards, that key will be set to reflect what the user had previously
+	 * configured.
+	 */
+
+	use_system_settings = gconf_client_get_string (config_client, KEY_USE_SYSTEM_SETTINGS, NULL);
+	if (!use_system_settings || strcmp (use_system_settings, VAL_USE_SYSTEM_SETTINGS_ONLY_IF_NOT_SET) == 0)
+	{
+		if (user_mode_is_set (config_client))
+			gconf_client_set_string (config_client, KEY_USE_SYSTEM_SETTINGS, VAL_USE_SYSTEM_SETTINGS_USER_VALUES, NULL);
+		else
+		{
+			copy_system_to_user (config_client);
+			gconf_client_set_string (config_client, KEY_USE_SYSTEM_SETTINGS, VAL_USE_SYSTEM_SETTINGS_SYSTEM_VALUES, NULL);
+		}
+	}
+
+	if (use_system_settings)
+		g_free (use_system_settings);
+
+        gconf_client_add_dir (config_client, DIR_PROXY, GCONF_CLIENT_PRELOAD_NONE, NULL);
+        gconf_client_notify_add (config_client, DIR_PROXY, dir_proxy_key_changed_cb, NULL, NULL, NULL);
+
+        sysconfig_proxy = g_file_new_for_uri (ETC_SYSCONFIG_PROXY_URI);
+        monitor = g_file_monitor_file (sysconfig_proxy, 0, NULL, NULL);
+        g_signal_connect (monitor, "changed", G_CALLBACK (monitor_cb), NULL);
+        
+        copy_system_values_if_needed (config_client);
+
+        g_object_unref (config_client);
+        
+        gnome_settings_profile_end (NULL);
+
+        return TRUE;
+}
+
+void
+gsd_proxy_manager_stop (GsdProxyManager *manager)
+{
+        g_debug ("Stopping proxy manager");
+}
+
+static void
+gsd_proxy_manager_set_property (GObject        *object,
+                               guint           prop_id,
+                               const GValue   *value,
+                               GParamSpec     *pspec)
+{
+        GsdProxyManager *self;
+
+        self = GSD_PROXY_MANAGER (object);
+
+        switch (prop_id) {
+        default:
+                G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+                break;
+        }
+}
+
+static void
+gsd_proxy_manager_get_property (GObject        *object,
+                               guint           prop_id,
+                               GValue         *value,
+                               GParamSpec     *pspec)
+{
+        GsdProxyManager *self;
+
+        self = GSD_PROXY_MANAGER (object);
+
+        switch (prop_id) {
+        default:
+                G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+                break;
+        }
+}
+
+static GObject *
+gsd_proxy_manager_constructor (GType                  type,
+                              guint                  n_construct_properties,
+                              GObjectConstructParam *construct_properties)
+{
+        GsdProxyManager      *proxy_manager;
+        GsdProxyManagerClass *klass;
+
+        klass = GSD_PROXY_MANAGER_CLASS (g_type_class_peek (GSD_TYPE_PROXY_MANAGER));
+
+        proxy_manager = GSD_PROXY_MANAGER (G_OBJECT_CLASS (gsd_proxy_manager_parent_class)->constructor (type,
+                                                                                                      n_construct_properties,
+                                                                                                      construct_properties));
+
+        return G_OBJECT (proxy_manager);
+}
+
+static void
+gsd_proxy_manager_dispose (GObject *object)
+{
+        GsdProxyManager *proxy_manager;
+
+        proxy_manager = GSD_PROXY_MANAGER (object);
+
+        G_OBJECT_CLASS (gsd_proxy_manager_parent_class)->dispose (object);
+}
+
+static void
+gsd_proxy_manager_class_init (GsdProxyManagerClass *klass)
+{
+        GObjectClass   *object_class = G_OBJECT_CLASS (klass);
+
+        object_class->get_property = gsd_proxy_manager_get_property;
+        object_class->set_property = gsd_proxy_manager_set_property;
+        object_class->constructor = gsd_proxy_manager_constructor;
+        object_class->dispose = gsd_proxy_manager_dispose;
+        object_class->finalize = gsd_proxy_manager_finalize;
+
+        g_type_class_add_private (klass, sizeof (GsdProxyManagerPrivate));
+}
+
+static void
+gsd_proxy_manager_init (GsdProxyManager *manager)
+{
+        manager->priv = GSD_PROXY_MANAGER_GET_PRIVATE (manager);
+}
+
+static void
+gsd_proxy_manager_finalize (GObject *object)
+{
+        GsdProxyManager *proxy_manager;
+
+        g_return_if_fail (object != NULL);
+        g_return_if_fail (GSD_IS_PROXY_MANAGER (object));
+
+        proxy_manager = GSD_PROXY_MANAGER (object);
+
+        g_return_if_fail (proxy_manager->priv != NULL);
+
+        G_OBJECT_CLASS (gsd_proxy_manager_parent_class)->finalize (object);
+}
+
+GsdProxyManager *
+gsd_proxy_manager_new (void)
+{
+        if (manager_object != NULL) {
+                g_object_ref (manager_object);
+        } else {
+                manager_object = g_object_new (GSD_TYPE_PROXY_MANAGER, NULL);
+                g_object_add_weak_pointer (manager_object,
+                                           (gpointer *) &manager_object);
+        }
+
+        return GSD_PROXY_MANAGER (manager_object);
+}
Index: plugins/proxy/gsd-proxy-manager.h
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ plugins/proxy/gsd-proxy-manager.h	2010-01-13 16:44:52.000000000 +1100
@@ -0,0 +1,57 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2008 Rodrigo Moya <rodrigo@gnome-db.org>
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+#ifndef __GSD_PROXY_MANAGER_H
+#define __GSD_PROXY_MANAGER_H
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define GSD_TYPE_PROXY_MANAGER         (gsd_proxy_manager_get_type ())
+#define GSD_PROXY_MANAGER(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), GSD_TYPE_PROXY_MANAGER, GsdProxyManager))
+#define GSD_PROXY_MANAGER_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST((k), GSD_TYPE_PROXY_MANAGER, GsdProxyManagerClass))
+#define GSD_IS_PROXY_MANAGER(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), GSD_TYPE_PROXY_MANAGER))
+#define GSD_IS_PROXY_MANAGER_CLASS(k)  (G_TYPE_CHECK_CLASS_TYPE ((k), GSD_TYPE_PROXY_MANAGER))
+#define GSD_PROXY_MANAGER_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GSD_TYPE_PROXY_MANAGER, GsdProxyManagerClass))
+
+typedef struct GsdProxyManagerPrivate GsdProxyManagerPrivate;
+
+typedef struct
+{
+        GObject                     parent;
+        GsdProxyManagerPrivate *priv;
+} GsdProxyManager;
+
+typedef struct
+{
+        GObjectClass   parent_class;
+} GsdProxyManagerClass;
+
+GType                   gsd_proxy_manager_get_type            (void);
+
+GsdProxyManager *       gsd_proxy_manager_new                 (void);
+gboolean                gsd_proxy_manager_start               (GsdProxyManager *manager,
+                                                               GError         **error);
+void                    gsd_proxy_manager_stop                (GsdProxyManager *manager);
+
+G_END_DECLS
+
+#endif /* __GSD_PROXY_MANAGER_H */
Index: plugins/proxy/gsd-proxy-plugin.c
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ plugins/proxy/gsd-proxy-plugin.c	2010-01-13 16:44:52.000000000 +1100
@@ -0,0 +1,103 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2008 Rodrigo Moya <rodrigo@gnome-db.org>
+ *
+ * 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, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+#include "config.h"
+
+#include <glib/gi18n-lib.h>
+#include <gmodule.h>
+
+#include "gnome-settings-plugin.h"
+#include "gsd-proxy-plugin.h"
+#include "gsd-proxy-manager.h"
+
+struct GsdProxyPluginPrivate {
+        GsdProxyManager *manager;
+};
+
+#define GSD_PROXY_PLUGIN_GET_PRIVATE(object) (G_TYPE_INSTANCE_GET_PRIVATE ((object), GSD_TYPE_PROXY_PLUGIN, GsdProxyPluginPrivate))
+
+GNOME_SETTINGS_PLUGIN_REGISTER (GsdProxyPlugin, gsd_proxy_plugin)
+
+static void
+gsd_proxy_plugin_init (GsdProxyPlugin *plugin)
+{
+        plugin->priv = GSD_PROXY_PLUGIN_GET_PRIVATE (plugin);
+
+        g_debug ("GsdProxyPlugin initializing");
+
+        plugin->priv->manager = gsd_proxy_manager_new ();
+}
+
+static void
+gsd_proxy_plugin_finalize (GObject *object)
+{
+        GsdProxyPlugin *plugin;
+
+        g_return_if_fail (object != NULL);
+        g_return_if_fail (GSD_IS_PROXY_PLUGIN (object));
+
+        g_debug ("GsdProxyPlugin finalizing");
+
+        plugin = GSD_PROXY_PLUGIN (object);
+
+        g_return_if_fail (plugin->priv != NULL);
+
+        if (plugin->priv->manager != NULL) {
+                g_object_unref (plugin->priv->manager);
+        }
+
+        G_OBJECT_CLASS (gsd_proxy_plugin_parent_class)->finalize (object);
+}
+
+static void
+impl_activate (GnomeSettingsPlugin *plugin)
+{
+        gboolean res;
+        GError  *error;
+
+        g_debug ("Activating proxy plugin");
+
+        error = NULL;
+        res = gsd_proxy_manager_start (GSD_PROXY_PLUGIN (plugin)->priv->manager, &error);
+        if (! res) {
+                g_warning ("Unable to start proxy manager: %s", error->message);
+                g_error_free (error);
+        }
+}
+
+static void
+impl_deactivate (GnomeSettingsPlugin *plugin)
+{
+        g_debug ("Deactivating proxy plugin");
+}
+
+static void
+gsd_proxy_plugin_class_init (GsdProxyPluginClass *klass)
+{
+        GObjectClass           *object_class = G_OBJECT_CLASS (klass);
+        GnomeSettingsPluginClass *plugin_class = GNOME_SETTINGS_PLUGIN_CLASS (klass);
+
+        object_class->finalize = gsd_proxy_plugin_finalize;
+
+        plugin_class->activate = impl_activate;
+        plugin_class->deactivate = impl_deactivate;
+
+        g_type_class_add_private (klass, sizeof (GsdProxyPluginPrivate));
+}
Index: plugins/proxy/gsd-proxy-plugin.h
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ plugins/proxy/gsd-proxy-plugin.h	2010-01-13 16:44:52.000000000 +1100
@@ -0,0 +1,59 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2008 Rodrigo Moya <rodrigo@gnome-db.org>
+ *
+ * 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, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+#ifndef __GSD_PROXY_PLUGIN_H__
+#define __GSD_PROXY_PLUGIN_H__
+
+#include <glib.h>
+#include <glib-object.h>
+#include <gmodule.h>
+
+#include "gnome-settings-plugin.h"
+
+G_BEGIN_DECLS
+
+#define GSD_TYPE_PROXY_PLUGIN                (gsd_proxy_plugin_get_type ())
+#define GSD_PROXY_PLUGIN(o)                  (G_TYPE_CHECK_INSTANCE_CAST ((o), GSD_TYPE_PROXY_PLUGIN, GsdProxyPlugin))
+#define GSD_PROXY_PLUGIN_CLASS(k)            (G_TYPE_CHECK_CLASS_CAST((k), GSD_TYPE_PROXY_PLUGIN, GsdProxyPluginClass))
+#define GSD_IS_PROXY_PLUGIN(o)               (G_TYPE_CHECK_INSTANCE_TYPE ((o), GSD_TYPE_PROXY_PLUGIN))
+#define GSD_IS_PROXY_PLUGIN_CLASS(k)         (G_TYPE_CHECK_CLASS_TYPE ((k), GSD_TYPE_PROXY_PLUGIN))
+#define GSD_PROXY_PLUGIN_GET_CLASS(o)        (G_TYPE_INSTANCE_GET_CLASS ((o), GSD_TYPE_PROXY_PLUGIN, GsdProxyPluginClass))
+
+typedef struct GsdProxyPluginPrivate GsdProxyPluginPrivate;
+
+typedef struct
+{
+        GnomeSettingsPlugin    parent;
+        GsdProxyPluginPrivate *priv;
+} GsdProxyPlugin;
+
+typedef struct
+{
+        GnomeSettingsPluginClass parent_class;
+} GsdProxyPluginClass;
+
+GType   gsd_proxy_plugin_get_type            (void) G_GNUC_CONST;
+
+/* All the plugins must implement this function */
+G_MODULE_EXPORT GType register_gnome_settings_plugin (GTypeModule *module);
+
+G_END_DECLS
+
+#endif /* __GSD_PROXY_PLUGIN_H__ */
Index: plugins/proxy/novell-sysconfig-proxy-helper
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ plugins/proxy/novell-sysconfig-proxy-helper	2010-01-13 16:44:52.000000000 +1100
@@ -0,0 +1,19 @@
+#!/bin/sh
+
+if [ ! -f /etc/sysconfig/proxy ]
+then
+	exit 0
+fi
+
+source /etc/sysconfig/proxy
+
+# This may look convoluted, but it's an easy way to let random shell
+# script code appear in /etc/sysconfig/proxy and still let user code
+# read the variables in it easily.
+
+echo "PROXY_ENABLED $PROXY_ENABLED"
+echo "HTTP_PROXY $HTTP_PROXY"
+echo "HTTPS_PROXY $HTTPS_PROXY"
+echo "FTP_PROXY $FTP_PROXY"
+echo "GOPHER_PROXY $GOPHER_PROXY"
+echo "NO_PROXY $NO_PROXY"
Index: plugins/proxy/proxy.gnome-settings-plugin.in
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ plugins/proxy/proxy.gnome-settings-plugin.in	2010-01-13 16:44:52.000000000 +1100
@@ -0,0 +1,8 @@
+[GNOME Settings Plugin]
+Module=proxy
+IAge=0
+_Name=Network Proxy
+_Description=Network proxy plugin
+Authors=Rodrigo Moya <rodrigo@gnome-db.org>
+Copyright=
+Website=
Index: data/system_proxy.schemas.in
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ data/system_proxy.schemas.in	2010-01-13 16:44:52.000000000 +1100
@@ -0,0 +1,26 @@
+<?xml version="1.0"?>
+<gconfschemafile>
+    <schemalist>
+        <schema>
+	    <key>/schemas/system/proxy/use_system_settings</key>
+	    <applyto>/system/proxy/use_system_settings</applyto>
+	    <type>string</type>
+	    <default>only_if_mode_not_set</default>
+	    <locale name="C">
+	        <short>Use the system's proxy settings</short>
+		<long>Whether to use the system's proxy settings.
+		Possible values are "only_if_mode_not_set", "system_values", and
+		"user_values".  The first one is the default value; in
+		it, the system's proxy settings will be used if and
+		only if the user has never set his /system/proxy/mode
+		key.  Once the user sets that key, use_system_settings
+		will switch to "system_values", which indicates that
+		the system's proxy settings should be used, or
+		"user_values", which indicates that the user's
+		settings should be used.  The key will alternate
+		between these last two values in the future and will
+		not go back to the default value.</long>
+	    </locale>
+	</schema>
+  </schemalist>
+</gconfschemafile>
Index: plugins/Makefile.am
===================================================================
--- plugins/Makefile.am.orig	2009-06-16 20:17:13.000000000 +1000
+++ plugins/Makefile.am	2010-01-13 16:44:52.000000000 +1100
@@ -12,6 +12,7 @@ SUBDIRS =		\
 	keyboard	\
 	media-keys	\
 	mouse		\
+	proxy		\
 	sound		\
 	typing-break	\
 	xrandr		\
Index: configure.ac
===================================================================
--- configure.ac.orig	2010-01-13 02:52:55.000000000 +1100
+++ configure.ac	2010-01-13 16:44:52.000000000 +1100
@@ -359,6 +359,7 @@ plugins/keyboard/Makefile
 plugins/media-keys/Makefile
 plugins/media-keys/cut-n-paste/Makefile
 plugins/mouse/Makefile
+plugins/proxy/Makefile
 plugins/smartcard/Makefile
 plugins/sound/Makefile
 plugins/typing-break/Makefile
Index: data/Makefile.am
===================================================================
--- data/Makefile.am.orig	2009-07-28 07:37:28.000000000 +1000
+++ data/Makefile.am	2010-01-13 16:44:52.000000000 +1100
@@ -11,6 +11,7 @@ schemas_in_files = 						\
 	apps_gnome_settings_daemon_xrandr.schemas.in		\
 	desktop_gnome_peripherals_touchpad.schemas.in		\
 	desktop_gnome_peripherals_smartcard.schemas.in		\
+	system_proxy.schemas.in					\
 	$(NULL)
 
 schemas_DATA = $(schemas_in_files:.schemas.in=.schemas)
Index: data/gnome-settings-daemon.schemas.in
===================================================================
--- data/gnome-settings-daemon.schemas.in.orig	2009-06-16 20:17:13.000000000 +1000
+++ data/gnome-settings-daemon.schemas.in	2010-01-13 16:44:52.000000000 +1100
@@ -210,6 +210,30 @@
     </schema>
 
     <schema>
+      <key>/schemas/apps/gnome_settings_daemon/plugins/proxy/active</key>
+      <applyto>/apps/gnome_settings_daemon/plugins/proxy/active</applyto>
+      <owner>gnome-settings-daemon</owner>
+      <type>bool</type>
+      <default>TRUE</default>
+      <locale name="C">
+        <short>Enable system-proxy plugin</short>
+        <long>Set to True to enable the plugin to manage the system
+        proxy settings.</long>
+      </locale>
+    </schema>
+    <schema>
+      <key>/schemas/apps/gnome_settings_daemon/plugins/proxy/priority</key>
+      <applyto>/apps/gnome_settings_daemon/plugins/proxy/priority</applyto>
+      <owner>gnome-settings-daemon</owner>
+      <type>int</type>
+      <default>7</default>
+      <locale name="C">
+        <short></short>
+        <long></long>
+      </locale>
+    </schema>
+
+    <schema>
       <key>/schemas/apps/gnome_settings_daemon/plugins/sound/active</key>
       <applyto>/apps/gnome_settings_daemon/plugins/sound/active</applyto>
       <owner>gnome-settings-daemon</owner>
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