gconf r2589 - in trunk: . gconf
- From: halfline svn gnome org
- To: svn-commits-list gnome org
- Subject: gconf r2589 - in trunk: . gconf
- Date: Fri, 9 May 2008 15:44:01 +0100 (BST)
Author: halfline
Date: Fri May 9 14:44:01 2008
New Revision: 2589
URL: http://svn.gnome.org/viewvc/gconf?rev=2589&view=rev
Log:
2008-05-09 Ray Strode <rstrode redhat com>
Tie gconf daemon to session bus and drop use daemon
GetIOR() method instead of /tmp/something/ior to
tell clients about ior (bugs 141138 and 507310)
* configure.in: depend on dbus
* gconf/gconfd.c (get_introspection_xml),
(bus_message_handler), (get_on_d_bus), (main):
Connect to message bus, take org.gnome.GConf name,
and export GetIOR() method. Quit, when session quits.
* Makefile.am:
* gconf/org.gnome.GConf.server.in: new service file to
support session bus activation
* gconf/gconf-sanity-check.c (offer_delete_locks):
Daemon doesn't have a lock anymore, so need to try to
blow it away.
* gconf/gcon-internals.c (read_current_server_and_set_warning),
(read_current_server), (gconf_get_current_lock_holder),
(gconf_daemon_blow_away_locks), (set_cloexec),
(close_fd_func): dropped functions dealing with files in /tmp
(get_ior), (gconf_get_server), (gconf_get_lock_or_current_holder),
(gconf_activate_server: call GetIOR method instead of of reading
/tmp/gconf-$USER/ior
Added:
trunk/gconf/org.gnome.GConf.service.in
Modified:
trunk/ChangeLog
trunk/configure.in
trunk/gconf/Makefile.am
trunk/gconf/gconf-internals.c
trunk/gconf/gconf-sanity-check.c
trunk/gconf/gconfd.c
Modified: trunk/configure.in
==============================================================================
--- trunk/configure.in (original)
+++ trunk/configure.in Fri May 9 14:44:01 2008
@@ -131,7 +131,7 @@
AC_ARG_ENABLE(gtk, [ --enable-gtk Enable GTK+ support (for gconf-sanity-check) [default=auto]], enable_gtk="$enableval", enable_gtk=auto)
-PKGCONFIG_MODULES='glib-2.0 > 2.9.0 gmodule-2.0 >= 2.7.0 gobject-2.0 >= 2.7.0 ORBit-2.0 >= 2.4.0'
+PKGCONFIG_MODULES='glib-2.0 > 2.9.0 gmodule-2.0 >= 2.7.0 gobject-2.0 >= 2.7.0 ORBit-2.0 >= 2.4.0 dbus-1 >= 1.0.0 dbus-glib-1 >= 0.74'
PKGCONFIG_MODULES_WITH_XML="$PKGCONFIG_MODULES libxml-2.0"
PKGCONFIG_MODULES_WITH_GTK=" $PKGCONFIG_MODULES gtk+-2.0 >= 2.0.0"
PKGCONFIG_MODULES_WITH_XML_AND_GTK=" $PKGCONFIG_MODULES gtk+-2.0 libxml-2.0"
Modified: trunk/gconf/Makefile.am
==============================================================================
--- trunk/gconf/Makefile.am (original)
+++ trunk/gconf/Makefile.am Fri May 9 14:44:01 2008
@@ -121,11 +121,17 @@
libgconf_2_la_LIBADD = $(INTLLIBS) $(DEPENDENT_LIBS)
-EXTRA_DIST=GConfX.idl default.path.in gconfmarshal.list regenerate-enum-header.sh regenerate-enum-footer.sh
+EXTRA_DIST=GConfX.idl default.path.in org.gnome.GConf.service gconfmarshal.list regenerate-enum-header.sh regenerate-enum-footer.sh
default.path: $(srcdir)/default.path.in
sed -e 's,[ ]sysgconfdir[@],$(sysgconfdir),g' \
<$(srcdir)/default.path.in >default.path
+org.gnome.GConf.service: $(srcdir)/org.gnome.GConf.service.in
+ sed -e 's,[ ]libexecdir[@],$(libexecdir),g' \
+ <$(srcdir)/org.gnome.GConf.service.in >org.gnome.GConf.service
+
+servicedir = $(datadir)/dbus-1/services
+service_DATA = org.gnome.GConf.service
install-data-local: default.path
$(mkinstalldirs) $(DESTDIR)$(sysgconfdir)/$(MAJOR_VERSION)
Modified: trunk/gconf/gconf-internals.c
==============================================================================
--- trunk/gconf/gconf-internals.c (original)
+++ trunk/gconf/gconf-internals.c Fri May 9 14:44:01 2008
@@ -36,6 +36,8 @@
#include <time.h>
#include <math.h>
+#include <dbus/dbus.h>
+
#ifdef G_OS_WIN32
#include <windows.h>
#include <share.h>
@@ -2418,107 +2420,101 @@
return fd;
}
-static ConfigServer
-read_current_server_and_set_warning (const gchar *iorfile,
- GString *warning)
-{
- FILE *fp;
-
- fp = g_fopen (iorfile, "r");
-
- if (fp == NULL)
- {
- if (warning)
- g_string_append_printf (warning,
- _("IOR file '%s' not opened successfully, no gconfd located: %s"),
- iorfile, g_strerror (errno));
-
- return CORBA_OBJECT_NIL;
- }
- else /* successfully opened IOR file */
- {
- char buf[2048] = { '\0' };
- const char *str = NULL;
-
- fgets (buf, sizeof (buf) - 2, fp);
- fclose (fp);
-
- /* The lockfile format is <pid>:<ior> for gconfd
- * or <pid>:none for gconftool
- */
- str = buf;
- while (isdigit ((unsigned char) *str))
- ++str;
+static char *
+get_ior (gboolean start_if_not_found,
+ GString *failure_log)
+{
+ DBusMessage *message, *reply;
+ DBusConnection *connection;
+ DBusError bus_error;
+ char *ior;
+
+ dbus_error_init (&bus_error);
+ connection = dbus_bus_get (DBUS_BUS_SESSION, &bus_error);
+
+ if (dbus_error_is_set (&bus_error)) {
+ if (failure_log)
+ g_string_append_printf (failure_log,
+ _("Failed to get connection to session: %s"),
+ bus_error.message);
+ dbus_error_free (&bus_error);
+ return NULL;
+ }
+
+ message = dbus_message_new_method_call ("org.gnome.GConf",
+ "/org/gnome/GConf",
+ "org.gnome.GConf",
+ "GetIOR");
+ dbus_message_set_auto_start (message, start_if_not_found);
+
+ reply = dbus_connection_send_with_reply_and_block (connection, message, -1,
+ &bus_error);
+ dbus_message_unref (message);
+
+ if (dbus_error_is_set (&bus_error)) {
+ if (failure_log)
+ g_string_append_printf (failure_log,
+ _("Could not send message to gconf daemon: %s"),
+ bus_error.message);
+ dbus_error_free (&bus_error);
+ return NULL;
+ }
+
+ ior = NULL;
+ if (!dbus_message_get_args (reply, &bus_error, DBUS_TYPE_STRING,
+ &ior, DBUS_TYPE_INVALID)) {
+ if (failure_log)
+ g_string_append_printf (failure_log,
+ _("daemon gave errnoneous reply: %s"),
+ bus_error.message);
+ dbus_error_free (&bus_error);
+ return NULL;
+ }
- if (*str == ':')
- ++str;
-
- if (str[0] == 'n' &&
- str[1] == 'o' &&
- str[2] == 'n' &&
- str[3] == 'e')
- {
- if (warning)
- g_string_append_printf (warning,
- _("gconftool or other non-gconfd process has the lock file '%s'"),
- iorfile);
- }
- else /* file contains daemon IOR */
- {
- CORBA_ORB orb;
- CORBA_Environment ev;
- ConfigServer server;
-
- CORBA_exception_init (&ev);
-
- orb = gconf_orb_get ();
+ ior = g_strdup (ior);
- if (orb == NULL)
- {
- if (warning)
- g_string_append_printf (warning,
- _("couldn't contact ORB to resolve existing gconfd object reference"));
- return CORBA_OBJECT_NIL;
- }
-
- server = CORBA_ORB_string_to_object (orb, (char*) str, &ev);
- CORBA_exception_free (&ev);
-
- if (server == CORBA_OBJECT_NIL &&
- warning)
- g_string_append_printf (warning,
- _("Failed to convert IOR '%s' to an object reference"),
- str);
-
- return server;
- }
+ dbus_message_unref (reply);
+ dbus_connection_unref (connection);
- return CORBA_OBJECT_NIL;
- }
+ return ior;
}
static ConfigServer
-read_current_server (const gchar *iorfile,
- gboolean warn_if_fail)
+gconf_get_server (gboolean start_if_not_found,
+ GString *failure_log)
{
- GString *warning;
ConfigServer server;
-
- if (warn_if_fail)
- warning = g_string_new (NULL);
- else
- warning = NULL;
+ char *ior;
+ CORBA_ORB orb;
+ CORBA_Environment ev;
- server = read_current_server_and_set_warning (iorfile, warning);
+ ior = get_ior (start_if_not_found, failure_log);
- if (warning)
+ if (ior == NULL)
{
- if (warning->len > 0)
- gconf_log (GCL_WARNING, "%s", warning->str);
+ return CORBA_OBJECT_NIL;
+ }
+
+ CORBA_exception_init (&ev);
+ orb = gconf_orb_get ();
- g_string_free (warning, TRUE);
+ if (orb == NULL)
+ {
+ if (failure_log)
+ g_string_append_printf (failure_log,
+ _("couldn't contact ORB to resolve existing gconfd object reference"));
+ return CORBA_OBJECT_NIL;
}
+ server = CORBA_ORB_string_to_object (orb, (char*) ior, &ev);
+ CORBA_exception_free (&ev);
+
+ if (server == CORBA_OBJECT_NIL &&
+ failure_log)
+ g_string_append_printf (failure_log,
+ _("Failed to convert IOR '%s' to an object reference"),
+ ior);
+
return server;
}
@@ -2563,7 +2559,7 @@
* it to the caller. Error is already set.
*/
if (current_server)
- *current_server = read_current_server (lock->iorfile, TRUE);
+ *current_server = gconf_get_server (FALSE, NULL);
gconf_lock_destroy (lock);
@@ -2726,40 +2722,6 @@
return retval;
}
-/* This function doesn't try to see if the lock is valid or anything
- * of the sort; it just reads it. It does do the object_to_string
- */
-ConfigServer
-gconf_get_current_lock_holder (const gchar *lock_directory,
- GString *failure_log)
-{
- char *iorfile;
- ConfigServer server;
-
- iorfile = g_strconcat (lock_directory, "/ior", NULL);
- server = read_current_server_and_set_warning (iorfile, failure_log);
- g_free (iorfile);
- return server;
-}
-
-void
-gconf_daemon_blow_away_locks (void)
-{
- char *lock_directory;
- char *iorfile;
-
- lock_directory = gconf_get_lock_dir ();
-
- iorfile = g_strconcat (lock_directory, "/ior", NULL);
-
- if (g_unlink (iorfile) < 0)
- g_printerr (_("Failed to unlink lock file %s: %s\n"),
- iorfile, g_strerror (errno));
-
- g_free (iorfile);
- g_free (lock_directory);
-}
-
static CORBA_ORB gconf_orb = CORBA_OBJECT_NIL;
CORBA_ORB
@@ -2858,173 +2820,45 @@
return lock_dir;
}
-#if defined (F_SETFD) && defined (FD_CLOEXEC)
-
-#ifndef HAVE_FDWALK
-static void
-set_cloexec (gint fd)
-{
- fcntl (fd, F_SETFD, FD_CLOEXEC);
-#else
-static int
-set_cloexec (void *data, int fd)
-{
- int *pipes = (int *)data;
-
- if (fd != pipes[1] && fd > 2)
- fcntl (fd, F_SETFD, FD_CLOEXEC);
-
- return 0;
-#endif
-}
-
-
-static void
-close_fd_func (gpointer data)
-{
- int *pipes = data;
-
-#ifndef HAVE_FDWALK
- gint open_max;
- gint i;
-
- open_max = sysconf (_SC_OPEN_MAX);
- for (i = 3; i < open_max; i++)
- {
- /* don't close our write pipe */
- if (i != pipes[1])
- set_cloexec (i);
- }
-#else
- (void) fdwalk(set_cloexec, (void *)pipes);
-#endif
-}
-
-#else
-
-#define close_fd_func NULL
-
-#endif
-
ConfigServer
gconf_activate_server (gboolean start_if_not_found,
GError **error)
{
ConfigServer server = CORBA_OBJECT_NIL;
- int p[2] = { -1, -1 };
- char buf[1];
GError *tmp_err;
- char *argv[3];
- char *gconfd_dir;
- char *lock_dir;
GString *failure_log;
- struct stat statbuf;
CORBA_Environment ev;
- gboolean dir_accessible;
failure_log = g_string_new (NULL);
- gconfd_dir = gconf_get_daemon_dir ();
-
- dir_accessible = g_stat (gconfd_dir, &statbuf) >= 0;
+ g_string_append (failure_log, " 1: ");
+ server = gconf_get_server (start_if_not_found, failure_log);
- if (!dir_accessible && errno != ENOENT)
- {
- server = CORBA_OBJECT_NIL;
- gconf_log (GCL_WARNING, _("Failed to stat %s: %s"),
- gconfd_dir, g_strerror (errno));
- }
- else if (dir_accessible)
- {
- g_string_append (failure_log, " 1: ");
- lock_dir = gconf_get_lock_dir ();
- server = gconf_get_current_lock_holder (lock_dir, failure_log);
- g_free (lock_dir);
-
- /* Confirm server exists */
- CORBA_exception_init (&ev);
-
- if (!CORBA_Object_is_nil (server, &ev))
- {
- ConfigServer_ping (server, &ev);
-
- if (ev._major != CORBA_NO_EXCEPTION)
- {
- server = CORBA_OBJECT_NIL;
-
- g_string_append_printf (failure_log,
- _("Server ping error: %s"),
- CORBA_exception_id (&ev));
- }
- }
-
- CORBA_exception_free (&ev);
-
- if (server != CORBA_OBJECT_NIL)
- {
- g_string_free (failure_log, TRUE);
- g_free (gconfd_dir);
- return server;
- }
- }
-
- g_free (gconfd_dir);
+ /* Confirm server exists */
+ CORBA_exception_init (&ev);
- if (start_if_not_found)
+ if (!CORBA_Object_is_nil (server, &ev))
{
- /* Spawn server */
- if (pipe (p) < 0)
+ ConfigServer_ping (server, &ev);
+
+ if (ev._major != CORBA_NO_EXCEPTION)
{
- g_set_error (error,
- GCONF_ERROR,
- GCONF_ERROR_NO_SERVER,
- _("Failed to create pipe for communicating with spawned gconf daemon: %s\n"),
- g_strerror (errno));
- goto out;
- }
+ server = CORBA_OBJECT_NIL;
- argv[0] = g_build_filename (GCONF_SERVERDIR, GCONFD, NULL);
- argv[1] = g_strdup_printf ("%d", p[1]);
- argv[2] = NULL;
-
- tmp_err = NULL;
- if (!g_spawn_async (NULL,
- argv,
- NULL,
- G_SPAWN_LEAVE_DESCRIPTORS_OPEN,
- close_fd_func,
- p,
- NULL,
- &tmp_err))
- {
- g_free (argv[0]);
- g_free (argv[1]);
- g_set_error (error,
- GCONF_ERROR,
- GCONF_ERROR_NO_SERVER,
- _("Failed to launch configuration server: %s\n"),
- tmp_err->message);
- g_error_free (tmp_err);
- goto out;
+ g_string_append_printf (failure_log,
+ _("Server ping error: %s"),
+ CORBA_exception_id (&ev));
}
-
- g_free (argv[0]);
- g_free (argv[1]);
+ }
+
+ CORBA_exception_free (&ev);
- /* If the server dies, we don't want to block indefinitely in
- the read. */
- close (p[1]);
- p[1] = -1;
-
- /* Block until server starts up */
- read (p[0], buf, 1);
-
- g_string_append (failure_log, " 2: ");
- lock_dir = gconf_get_lock_dir ();
- server = gconf_get_current_lock_holder (lock_dir, failure_log);
- g_free (lock_dir);
+ if (server != CORBA_OBJECT_NIL)
+ {
+ g_string_free (failure_log, TRUE);
+ return server;
}
-
+
out:
if (server == CORBA_OBJECT_NIL &&
error &&
@@ -3037,11 +2871,6 @@
g_string_free (failure_log, TRUE);
- if (p[0] != -1)
- close (p[0]);
- if (p[1] != -1)
- close (p[1]);
-
return server;
}
Modified: trunk/gconf/gconf-sanity-check.c
==============================================================================
--- trunk/gconf/gconf-sanity-check.c (original)
+++ trunk/gconf/gconf-sanity-check.c Fri May 9 14:44:01 2008
@@ -395,8 +395,6 @@
g_slist_free (addresses);
- gconf_daemon_blow_away_locks ();
-
return TRUE;
}
Modified: trunk/gconf/gconfd.c
==============================================================================
--- trunk/gconf/gconfd.c (original)
+++ trunk/gconf/gconfd.c Fri May 9 14:44:01 2008
@@ -55,6 +55,8 @@
#endif
#include <locale.h>
+#include <dbus/dbus-glib-lowlevel.h>
+
/* This makes hash table safer when debugging */
#ifndef GCONF_ENABLE_DEBUG
#define safe_g_hash_table_insert g_hash_table_insert
@@ -497,57 +499,122 @@
return the_poa;
}
-/* From ORBit2 */
-/* There is a DOS attack if another user creates
- * the given directory and keeps us from creating
- * it
- */
-static gboolean
-test_safe_tmp_dir (const char *dirname)
+static const char *
+get_introspection_xml (void)
{
-#ifndef G_OS_WIN32
- struct stat statbuf;
- int fd;
+ return "<!DOCTYPE node PUBLIC \"-//freedesktop//DTD D-BUS Object Introspection 1.0//EN\"\n"
+ "\"http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd\";>\n"
+ "<node>\n"
+ " <interface name=\"org.freedesktop.DBus.Introspectable\">\n"
+ " <method name=\"Introspect\">\n"
+ " <arg name=\"introspection_xml\" direction=\"out\" type=\"s\"/>\n"
+ " </method>\n"
+ " </interface>\n"
+ " <interface name=\"org.gnome.GConf\">\n"
+ " <method name=\"GetIOR\">\n"
+ " <arg name=\"ior\" direction=\"out\" type=\"s\"/>\n"
+ " </method>\n"
+ " </interface>\n"
+ "</node>\n";
+}
+
+static DBusHandlerResult
+bus_message_handler (DBusConnection *connection,
+ DBusMessage *message,
+ GMainLoop *loop)
+{
+ DBusMessage *reply;
+
+ reply = NULL;
+
+ if (dbus_message_is_signal (message,
+ DBUS_INTERFACE_LOCAL,
+ "Disconnected"))
+ {
+ gconf_main_quit ();
+ return DBUS_HANDLER_RESULT_HANDLED;
+ }
+ else if (dbus_message_is_method_call (message,
+ "org.freedesktop.DBus.Introspectable",
+ "Introspect"))
+ {
+ const char *introspection_xml;
- fd = open (dirname, O_RDONLY);
- if (fd < 0)
+ introspection_xml = get_introspection_xml ();
+
+ reply = dbus_message_new_method_return (message);
+ dbus_message_append_args (reply, DBUS_TYPE_STRING, &introspection_xml,
+ DBUS_TYPE_INVALID);
+
+ }
+ else if (dbus_message_is_method_call (message,
+ "org.gnome.GConf",
+ "GetIOR"))
{
- gconf_log (GCL_WARNING, _("Failed to open %s: %s"),
- dirname, g_strerror (errno));
- return FALSE;
+ const char *ior;
+
+ ior = gconf_get_daemon_ior ();
+
+ reply = dbus_message_new_method_return (message);
+ dbus_message_append_args (reply, DBUS_TYPE_STRING, &ior, DBUS_TYPE_INVALID);
}
-
- if (fstat (fd, &statbuf) != 0)
+
+ if (reply != NULL)
{
- gconf_log (GCL_WARNING, _("Failed to stat %s: %s"),
- dirname, g_strerror (errno));
- close (fd);
- return FALSE;
+ dbus_connection_send (connection, reply, NULL);
+ dbus_message_unref (reply);
+ return DBUS_HANDLER_RESULT_HANDLED;
}
- close (fd);
- if (statbuf.st_uid != getuid ())
+ return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+}
+
+static DBusConnection *
+get_on_d_bus (void)
+{
+ DBusConnection *connection;
+ DBusError bus_error;
+ int result;
+
+ dbus_error_init (&bus_error);
+ connection = dbus_bus_get (DBUS_BUS_SESSION, &bus_error);
+
+ if (dbus_error_is_set (&bus_error))
{
- gconf_log (GCL_WARNING, _("Owner of %s is not the current user"),
- dirname);
- return FALSE;
+ gconf_log (GCL_ERR, _("Could not connect to session bus: %s"), bus_error.message);
+ dbus_error_free (&bus_error);
+ return NULL;
}
- if ((statbuf.st_mode & (S_IRWXG|S_IRWXO)) ||
- !S_ISDIR (statbuf.st_mode))
+ dbus_connection_setup_with_g_main (connection, NULL);
+
+ if (!dbus_connection_add_filter (connection, (DBusHandleMessageFunction)
+ bus_message_handler, NULL, NULL))
{
- gconf_log (GCL_WARNING, _("Bad permissions %lo on directory %s"),
- (unsigned long) statbuf.st_mode & 07777, dirname);
- return FALSE;
+ dbus_connection_unref (connection);
+ return NULL;
}
-#else
- /* FIXME: We can't get any useful information about the actual
- * protection for the directory using stat(). We must use the Win32
- * API to check the owner and permissions (ACL). Later.
- */
-#endif
-
- return TRUE;
+
+ dbus_connection_set_exit_on_disconnect (connection, FALSE);
+
+ result = dbus_bus_request_name (connection, "org.gnome.GConf",
+ 0, &bus_error);
+
+ if (dbus_error_is_set (&bus_error))
+ {
+ gconf_log (GCL_WARNING,
+ _("Failed to get bus name for daemon, exiting: %s"),
+ bus_error.message);
+ dbus_error_free (&bus_error);
+ }
+
+ if (result != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER)
+ {
+ dbus_connection_unref (connection);
+ return NULL;
+ }
+
+ return connection;
}
int
@@ -563,10 +630,9 @@
gchar* ior;
int exit_code = 0;
GError *err;
- char *lock_dir;
- char *gconfd_dir;
int dev_null_fd;
int write_byte_fd;
+ DBusConnection *connection;
_gconf_init_i18n ();
setlocale (LC_ALL, "");
@@ -676,32 +742,9 @@
gconf_set_daemon_ior (ior);
CORBA_free (ior);
- gconfd_dir = gconf_get_daemon_dir ();
- lock_dir = gconf_get_lock_dir ();
-
- if (g_mkdir (gconfd_dir, 0700) < 0 && errno != EEXIST)
- gconf_log (GCL_WARNING, _("Failed to create %s: %s"),
- gconfd_dir, g_strerror (errno));
-
- if (!test_safe_tmp_dir (gconfd_dir))
- {
- err = g_error_new (GCONF_ERROR,
- GCONF_ERROR_LOCK_FAILED,
- _("Directory %s has a problem, gconfd can't use it"),
- gconfd_dir);
- daemon_lock = NULL;
- }
- else
- {
- err = NULL;
-
- daemon_lock = gconf_get_lock (lock_dir, &err);
- }
-
- g_free (gconfd_dir);
- g_free (lock_dir);
+ connection = get_on_d_bus ();
- if (daemon_lock != NULL)
+ if (connection != NULL)
{
/* This loads backends and so on. It needs to be done before
* we can handle any requests, so before we hit the
@@ -725,14 +768,8 @@
close (write_byte_fd);
}
- if (daemon_lock == NULL)
+ if (connection == NULL)
{
- g_assert (err);
-
- gconf_log (GCL_WARNING, _("Failed to get lock for daemon, exiting: %s"),
- err->message);
- g_error_free (err);
-
enter_shutdown ();
shutdown_databases ();
Added: trunk/gconf/org.gnome.GConf.service.in
==============================================================================
--- (empty file)
+++ trunk/gconf/org.gnome.GConf.service.in Fri May 9 14:44:01 2008
@@ -0,0 +1,3 @@
+[D-BUS Service]
+Name=org.gnome.GConf
+Exec= libexecdir@/gconfd-2
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