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+@GSD_INTLTOOL_PLUGIN_RULE@

+

+# Tell versions [3.59,3.63) of GNU make to not export all variables.

+# Otherwise a system limit (for SysV at least) may be exceeded.

+.NOEXPORT:

+/* gsd-smartcard-manager.c - object for monitoring smartcard insertion and

+ * removal events

+ *

+ * Copyright (C) 2006, 2009 Red Hat, Inc.

+ *

+ * 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.

+ *

+ * Written By: Ray Strode

+ */

+#include "config.h"

+

+#include "gsd-smartcard-manager.h"

+

+#define SMARTCARD_ENABLE_INTERNAL_API

+#include "gsd-smartcard.h"

+

+#include <dirent.h>

+#include <errno.h>

+#include <fcntl.h>

+#include <limits.h>

+#include <poll.h>

+#include <signal.h>

+#include <stdlib.h>

+#include <string.h>

+#include <sys/resource.h>

+#include <sys/time.h>

+#include <sys/wait.h>

+#include <unistd.h>

+

+#include <glib.h>

+#include <glib/gi18n.h>

+

+#include <prerror.h>

+#include <nss.h>

+#include <pk11func.h>

+#include <secmod.h>

+#include <secerr.h>

+

+#ifndef GSD_SMARTCARD_MANAGER_NSS_DB

+#define GSD_SMARTCARD_MANAGER_NSS_DB SYSCONFDIR"/pki/nssdb"

+#endif

+

+typedef enum _GsdSmartcardManagerState GsdSmartcardManagerState;

+typedef struct _GsdSmartcardManagerWorker GsdSmartcardManagerWorker;

+

+enum _GsdSmartcardManagerState {

+ GSD_SMARTCARD_MANAGER_STATE_STOPPED = 0,

+ GSD_SMARTCARD_MANAGER_STATE_STARTING,

+ GSD_SMARTCARD_MANAGER_STATE_STARTED,

+ GSD_SMARTCARD_MANAGER_STATE_STOPPING,

+};

+

+struct _GsdSmartcardManagerPrivate {

+ GsdSmartcardManagerState state;

+ SECMODModule *module;

+ char *module_path;

+

+ GSource *smartcard_event_source;

+ GPid smartcard_event_watcher_pid;

+ GHashTable *smartcards;

+

+ GThread *worker_thread;

+

+ guint poll_timeout_id;

+

+ guint32 is_unstoppable : 1;

+ guint32 nss_is_loaded : 1;

+};

+

+struct _GsdSmartcardManagerWorker {

+ SECMODModule *module;

+ GHashTable *smartcards;

+ int write_fd;

+

+ guint32 nss_is_loaded : 1;

+};

+

+static void gsd_smartcard_manager_finalize (GObject *object);

+static void gsd_smartcard_manager_class_install_signals (GsdSmartcardManagerClass *service_class);

+static void gsd_smartcard_manager_class_install_properties (GsdSmartcardManagerClass *service_class);

+static void gsd_smartcard_manager_set_property (GObject *object,

+ guint prop_id,

+ const GValue *value,

+ GParamSpec *pspec);

+static void gsd_smartcard_manager_get_property (GObject *object,

+ guint prop_id,

+ GValue *value,

+ GParamSpec *pspec);

+static void gsd_smartcard_manager_set_module_path (GsdSmartcardManager *manager,

+ const char *module_path);

+static void gsd_smartcard_manager_card_removed_handler (GsdSmartcardManager *manager,

+ GsdSmartcard *card);

+static void gsd_smartcard_manager_card_inserted_handler (GsdSmartcardManager *manager_class,

+ GsdSmartcard *card);

+static gboolean gsd_smartcard_manager_stop_now (GsdSmartcardManager *manager);

+static void gsd_smartcard_manager_queue_stop (GsdSmartcardManager *manager);

+

+static gboolean gsd_smartcard_manager_create_worker (GsdSmartcardManager *manager,

+ int *worker_fd, GThread **worker_thread);

+

+static GsdSmartcardManagerWorker * gsd_smartcard_manager_worker_new (int write_fd);

+static void gsd_smartcard_manager_worker_free (GsdSmartcardManagerWorker *worker);

+static gboolean open_pipe (int *write_fd, int *read_fd);

+static gboolean read_bytes (int fd, gpointer bytes, gsize num_bytes);

+static gboolean write_bytes (int fd, gconstpointer bytes, gsize num_bytes);

+static GsdSmartcard *read_smartcard (int fd, SECMODModule *module);

+static gboolean write_smartcard (int fd, GsdSmartcard *card);

+

+enum {

+ PROP_0 = 0,

+ PROP_MODULE_PATH,

+ NUMBER_OF_PROPERTIES

+};

+

+enum {

+ SMARTCARD_INSERTED = 0,

+ SMARTCARD_REMOVED,

+ ERROR,

+ NUMBER_OF_SIGNALS

+};

+

+static guint gsd_smartcard_manager_signals[NUMBER_OF_SIGNALS];

+

+G_DEFINE_TYPE (GsdSmartcardManager,

+ gsd_smartcard_manager,

+ G_TYPE_OBJECT);

+

+static void

+gsd_smartcard_manager_class_init (GsdSmartcardManagerClass *manager_class)

+{

+ GObjectClass *gobject_class;

+

+ gobject_class = G_OBJECT_CLASS (manager_class);

+

+ gobject_class->finalize = gsd_smartcard_manager_finalize;

+

+ gsd_smartcard_manager_class_install_signals (manager_class);

+ gsd_smartcard_manager_class_install_properties (manager_class);

+

+ g_type_class_add_private (manager_class,

+ sizeof (GsdSmartcardManagerPrivate));

+}

+

+static void

+gsd_smartcard_manager_class_install_properties (GsdSmartcardManagerClass *card_class)

+{

+ GObjectClass *object_class;

+ GParamSpec *param_spec;

+

+ object_class = G_OBJECT_CLASS (card_class);

+ object_class->set_property = gsd_smartcard_manager_set_property;

+ object_class->get_property = gsd_smartcard_manager_get_property;

+

+ param_spec = g_param_spec_string ("module-path", _("Module Path"),

+ _("path to smartcard PKCS #11 driver"),

+ NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);

+ g_object_class_install_property (object_class, PROP_MODULE_PATH, param_spec);

+}

+

+static void

+gsd_smartcard_manager_set_property (GObject *object,

+ guint prop_id,

+ const GValue *value,

+ GParamSpec *pspec)

+{

+ GsdSmartcardManager *manager = GSD_SMARTCARD_MANAGER (object);

+

+ switch (prop_id) {

+ case PROP_MODULE_PATH:

+ gsd_smartcard_manager_set_module_path (manager,

+ g_value_get_string (value));

+ break;

+

+ default:

+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);

+ break;

+ }

+}

+

+static void

+gsd_smartcard_manager_get_property (GObject *object,

+ guint prop_id,

+ GValue *value,

+ GParamSpec *pspec)

+{

+ GsdSmartcardManager *manager = GSD_SMARTCARD_MANAGER (object);

+ char *module_path;

+

+ switch (prop_id) {

+ case PROP_MODULE_PATH:

+ module_path = gsd_smartcard_manager_get_module_path (manager);

+ g_value_set_string (value, module_path);

+ g_free (module_path);

+ break;

+

+ default:

+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);

+ break;

+ }

+}

+

+char *

+gsd_smartcard_manager_get_module_path (GsdSmartcardManager *manager)

+{

+ return manager->priv->module_path;

+}

+

+static void

+gsd_smartcard_manager_set_module_path (GsdSmartcardManager *manager,

+ const char *module_path)

+{

+ if ((manager->priv->module_path == NULL) && (module_path == NULL)) {

+ return;

+ }

+

+ if (((manager->priv->module_path == NULL) ||

+ (module_path == NULL) ||

+ (strcmp (manager->priv->module_path, module_path) != 0))) {

+ g_free (manager->priv->module_path);

+ manager->priv->module_path = g_strdup (module_path);

+ g_object_notify (G_OBJECT (manager), "module-path");

+ }

+}

+

+static void

+gsd_smartcard_manager_card_removed_handler (GsdSmartcardManager *manager,

+ GsdSmartcard *card)

+{

+ g_debug ("informing smartcard of its removal");

+ _gsd_smartcard_set_state (card, GSD_SMARTCARD_STATE_REMOVED);

+ g_debug ("done");

+}

+

+static void

+gsd_smartcard_manager_card_inserted_handler (GsdSmartcardManager *manager,

+ GsdSmartcard *card)

+{

+ g_debug ("informing smartcard of its insertion");

+

+ _gsd_smartcard_set_state (card, GSD_SMARTCARD_STATE_INSERTED);

+ g_debug ("done");

+

+}

+

+static void

+gsd_smartcard_manager_class_install_signals (GsdSmartcardManagerClass *manager_class)

+{

+ GObjectClass *object_class;

+

+ object_class = G_OBJECT_CLASS (manager_class);

+

+ gsd_smartcard_manager_signals[SMARTCARD_INSERTED] =

+ g_signal_new ("smartcard-inserted",

+ G_OBJECT_CLASS_TYPE (object_class),

+ G_SIGNAL_RUN_FIRST,

+ G_STRUCT_OFFSET (GsdSmartcardManagerClass,

+ smartcard_inserted),

+ NULL, NULL, g_cclosure_marshal_VOID__POINTER,

+ G_TYPE_NONE, 1, G_TYPE_POINTER);

+ manager_class->smartcard_inserted = gsd_smartcard_manager_card_inserted_handler;

+

+ gsd_smartcard_manager_signals[SMARTCARD_REMOVED] =

+ g_signal_new ("smartcard-removed",

+ G_OBJECT_CLASS_TYPE (object_class),

+ G_SIGNAL_RUN_FIRST,

+ G_STRUCT_OFFSET (GsdSmartcardManagerClass,

+ smartcard_removed),

+ NULL, NULL, g_cclosure_marshal_VOID__POINTER,

+ G_TYPE_NONE, 1, G_TYPE_POINTER);

+ manager_class->smartcard_removed = gsd_smartcard_manager_card_removed_handler;

+

+ gsd_smartcard_manager_signals[ERROR] =

+ g_signal_new ("error",

+ G_OBJECT_CLASS_TYPE (object_class),

+ G_SIGNAL_RUN_LAST,

+ G_STRUCT_OFFSET (GsdSmartcardManagerClass, error),

+ NULL, NULL, g_cclosure_marshal_VOID__POINTER,

+ G_TYPE_NONE, 1, G_TYPE_POINTER);

+ manager_class->error = NULL;

+}

+

+static gboolean

+slot_id_equal (CK_SLOT_ID *slot_id_1,

+ CK_SLOT_ID *slot_id_2)

+{

+ g_assert (slot_id_1 != NULL);

+ g_assert (slot_id_2 != NULL);

+

+ return *slot_id_1 == *slot_id_2;

+}

+

+static gboolean

+slot_id_hash (CK_SLOT_ID *slot_id)

+{

+ guint32 upper_bits, lower_bits;

+ int temp;

+

+ if (sizeof (CK_SLOT_ID) == sizeof (int)) {

+ return g_int_hash (slot_id);

+ }

+

+ upper_bits = ((*slot_id) >> 31) - 1;

+ lower_bits = (*slot_id) & 0xffffffff;

+

+ /* The upper bits are almost certainly always zero,

+ * so let's degenerate to g_int_hash for the

+ * (very) common case

+ */

+ temp = lower_bits + upper_bits;

+ return upper_bits + g_int_hash (&temp);

+}

+

+static void

+gsd_smartcard_manager_init (GsdSmartcardManager *manager)

+{

+ g_debug ("initializing smartcard manager");

+

+ manager->priv = G_TYPE_INSTANCE_GET_PRIVATE (manager,

+ GSD_TYPE_SMARTCARD_MANAGER,

+ GsdSmartcardManagerPrivate);

+ manager->priv->poll_timeout_id = 0;

+ manager->priv->is_unstoppable = FALSE;

+ manager->priv->module = NULL;

+

+ manager->priv->smartcards =

+ g_hash_table_new_full (g_str_hash,

+ g_str_equal,

+ (GDestroyNotify) g_free,

+ (GDestroyNotify) g_object_unref);

+

+ if (!g_thread_supported ()) {

+ g_thread_init (NULL);

+ }

+

+}

+

+static void

+gsd_smartcard_manager_finalize (GObject *object)

+{

+ GsdSmartcardManager *manager;

+ GObjectClass *gobject_class;

+

+ manager = GSD_SMARTCARD_MANAGER (object);

+ gobject_class =

+ G_OBJECT_CLASS (gsd_smartcard_manager_parent_class);

+

+ gsd_smartcard_manager_stop_now (manager);

+

+ g_hash_table_destroy (manager->priv->smartcards);

+ manager->priv->smartcards = NULL;

+

+ gobject_class->finalize (object);

+}

+

+GQuark

+gsd_smartcard_manager_error_quark (void)

+{

+ static GQuark error_quark = 0;

+

+ if (error_quark == 0) {

+ error_quark = g_quark_from_static_string ("gsd-smartcard-manager-error-quark");

+ }

+

+ return error_quark;

+}

+

+GsdSmartcardManager *

+gsd_smartcard_manager_new (const char *module_path)

+{

+ GsdSmartcardManager *instance;

+

+ instance = GSD_SMARTCARD_MANAGER (g_object_new (GSD_TYPE_SMARTCARD_MANAGER,

+ "module-path", module_path,

+ NULL));

+

+ return instance;

+}

+

+static void

+gsd_smartcard_manager_emit_error (GsdSmartcardManager *manager,

+ GError *error)

+{

+ manager->priv->is_unstoppable = TRUE;

+ g_signal_emit (manager, gsd_smartcard_manager_signals[ERROR], 0,

+ error);

+ manager->priv->is_unstoppable = FALSE;

+}

+

+static void

+gsd_smartcard_manager_emit_smartcard_inserted (GsdSmartcardManager *manager,

+ GsdSmartcard *card)

+{

+ manager->priv->is_unstoppable = TRUE;

+ g_signal_emit (manager, gsd_smartcard_manager_signals[SMARTCARD_INSERTED], 0,

+ card);

+ manager->priv->is_unstoppable = FALSE;

+}

+

+static void

+gsd_smartcard_manager_emit_smartcard_removed (GsdSmartcardManager *manager,

+ GsdSmartcard *card)

+{

+ GsdSmartcardManagerState old_state;

+

+ old_state = manager->priv->state;

+ manager->priv->is_unstoppable = TRUE;

+ g_signal_emit (manager, gsd_smartcard_manager_signals[SMARTCARD_REMOVED], 0,

+ card);

+ manager->priv->is_unstoppable = FALSE;

+}

+

+static gboolean

+gsd_smartcard_manager_check_for_and_process_events (GIOChannel *io_channel,

+ GIOCondition condition,

+ GsdSmartcardManager *manager)

+{

+ GsdSmartcard *card;

+ gboolean should_stop;

+ gchar event_type;

+ char *card_name;

+ int fd;

+

+ card = NULL;

+ should_stop = (condition & G_IO_HUP) || (condition & G_IO_ERR);

+

+ if (should_stop) {

+ g_debug ("received %s on event socket, stopping "

+ "manager...",

+ (condition & G_IO_HUP) && (condition & G_IO_ERR)?

+ "error and hangup" :

+ (condition & G_IO_HUP)?

+ "hangup" : "error");

+ }

+

+ if (!(condition & G_IO_IN)) {

+ goto out;

+ }

+

+ fd = g_io_channel_unix_get_fd (io_channel);

+

+ event_type = '\0';

+ if (!read_bytes (fd, &event_type, 1)) {

+ should_stop = TRUE;

+ goto out;

+ }

+

+ card = read_smartcard (fd, manager->priv->module);

+

+ if (card == NULL) {

+ should_stop = TRUE;

+ goto out;

+ }

+

+ card_name = gsd_smartcard_get_name (card);

+

+ switch (event_type) {

+ case 'I':

+ g_hash_table_replace (manager->priv->smartcards,

+ card_name, card);

+ card_name = NULL;

+

+ gsd_smartcard_manager_emit_smartcard_inserted (manager, card);

+ card = NULL;

+ break;

+

+ case 'R':

+ gsd_smartcard_manager_emit_smartcard_removed (manager, card);

+ if (!g_hash_table_remove (manager->priv->smartcards, card_name)) {

+ g_debug ("got removal event of unknown card!");

+ }

+ g_free (card_name);

+ card_name = NULL;

+ card = NULL;

+ break;

+

+ default:

+ g_free (card_name);

+ card_name = NULL;

+ g_object_unref (card);

+

+ should_stop = TRUE;

+ break;

+ }

+

+out:

+ if (should_stop) {

+ GError *error;

+

+ error = g_error_new (GSD_SMARTCARD_MANAGER_ERROR,

+ GSD_SMARTCARD_MANAGER_ERROR_WATCHING_FOR_EVENTS,

+ "%s", (condition & G_IO_IN) ? g_strerror (errno) : _("received error or hang up from event source"));

+

+ gsd_smartcard_manager_emit_error (manager, error);

+ g_error_free (error);

+ gsd_smartcard_manager_stop_now (manager);

+ return FALSE;

+ }

+

+ return TRUE;

+}

+

+static void

+gsd_smartcard_manager_event_processing_stopped_handler (GsdSmartcardManager *manager)

+{

+ manager->priv->smartcard_event_source = NULL;

+ gsd_smartcard_manager_stop_now (manager);

+}

+

+static gboolean

+open_pipe (int *write_fd,

+ int *read_fd)

+{

+ int pipe_fds[2] = { -1, -1 };

+

+ g_assert (write_fd != NULL);

+ g_assert (read_fd != NULL);

+

+ if (pipe (pipe_fds) < 0) {

+ return FALSE;

+ }

+

+ if (fcntl (pipe_fds[0], F_SETFD, FD_CLOEXEC) < 0) {

+ close (pipe_fds[0]);

+ close (pipe_fds[1]);

+ return FALSE;

+ }

+

+ if (fcntl (pipe_fds[1], F_SETFD, FD_CLOEXEC) < 0) {

+ close (pipe_fds[0]);

+ close (pipe_fds[1]);

+ return FALSE;

+ }

+

+ *read_fd = pipe_fds[0];

+ *write_fd = pipe_fds[1];

+

+ return TRUE;

+}

+

+static void

+gsd_smartcard_manager_stop_watching_for_events (GsdSmartcardManager *manager)

+{

+ if (manager->priv->smartcard_event_source != NULL) {

+ g_source_destroy (manager->priv->smartcard_event_source);

+ manager->priv->smartcard_event_source = NULL;

+ }

+

+ if (manager->priv->worker_thread != NULL) {

+ SECMOD_CancelWait (manager->priv->module);

+ manager->priv->worker_thread = NULL;

+ }

+}

+

+static gboolean

+load_nss (GError **error)

+{

+ SECStatus status = SECSuccess;

+ static const guint32 flags =

+ NSS_INIT_READONLY | NSS_INIT_NOCERTDB | NSS_INIT_NOMODDB |

+ NSS_INIT_FORCEOPEN | NSS_INIT_NOROOTINIT |

+ NSS_INIT_OPTIMIZESPACE | NSS_INIT_PK11RELOAD;

+

+ g_debug ("attempting to load NSS database '%s'",

+ GSD_SMARTCARD_MANAGER_NSS_DB);

+

+ status = NSS_Initialize (GSD_SMARTCARD_MANAGER_NSS_DB,

+ "", "", SECMOD_DB, flags);

+

+ if (status != SECSuccess) {

+ gsize error_message_size;

+ char *error_message;

+

+ error_message_size = PR_GetErrorTextLength ();

+

+ if (error_message_size == 0) {

+ g_debug ("NSS security system could not be initialized");

+ g_set_error (error,

+ GSD_SMARTCARD_MANAGER_ERROR,

+ GSD_SMARTCARD_MANAGER_ERROR_WITH_NSS,

+ _("NSS security system could not be initialized"));

+ goto out;

+ }

+

+ error_message = g_slice_alloc0 (error_message_size);

+ PR_GetErrorText (error_message);

+

+ g_set_error (error,

+ GSD_SMARTCARD_MANAGER_ERROR,

+ GSD_SMARTCARD_MANAGER_ERROR_WITH_NSS,

+ "%s", error_message);

+ g_debug ("NSS security system could not be initialized - %s",

+ error_message);

+

+ g_slice_free1 (error_message_size, error_message);

+

+ goto out;

+ }

+

+ g_debug ("NSS database sucessfully loaded");

+ return TRUE;

+

+out:

+ g_debug ("NSS database couldn't be sucessfully loaded");

+ return FALSE;

+}

+

+static SECMODModule *

+load_driver (char *module_path,

+ GError **error)

+{

+ SECMODModule *module;

+ char *module_spec;

+ gboolean module_explicitly_specified;

+

+ g_debug ("attempting to load driver...");

+

+ module = NULL;

+ module_explicitly_specified = module_path != NULL;

+ if (module_explicitly_specified) {

+ module_spec = g_strdup_printf ("library=\"%s\"", module_path);

+ g_debug ("loading smartcard driver using spec '%s'",

+ module_spec);

+

+ module = SECMOD_LoadUserModule (module_spec,

+ NULL /* parent */,

+ FALSE /* recurse */);

+ g_free (module_spec);

+ module_spec = NULL;

+

+ } else {

+ SECMODModuleList *modules, *tmp;

+

+ modules = SECMOD_GetDefaultModuleList ();

+

+ for (tmp = modules; tmp != NULL; tmp = tmp->next) {

+ if (!SECMOD_HasRemovableSlots (tmp->module) ||

+ !tmp->module->loaded)

+ continue;

+

+ module = SECMOD_ReferenceModule (tmp->module);

+ break;

+ }

+ }

+

+ if (!module_explicitly_specified && module == NULL) {

+ g_set_error (error,

+ GSD_SMARTCARD_MANAGER_ERROR,

+ GSD_SMARTCARD_MANAGER_ERROR_LOADING_DRIVER,

+ _("no suitable smartcard driver could be found"));

+ } else if (module == NULL || !module->loaded) {

+

+ gsize error_message_size;

+ char *error_message;

+

+ if (module != NULL && !module->loaded) {

+ g_debug ("module found but not loaded?!");

+ SECMOD_DestroyModule (module);

+ module = NULL;

+ }

+

+ error_message_size = PR_GetErrorTextLength ();

+

+ if (error_message_size == 0) {

+ g_debug ("smartcard driver '%s' could not be loaded",

+ module_path);

+ g_set_error (error,

+ GSD_SMARTCARD_MANAGER_ERROR,

+ GSD_SMARTCARD_MANAGER_ERROR_LOADING_DRIVER,

+ _("smartcard driver '%s' could not be "

+ "loaded"), module_path);

+ goto out;

+ }

+

+ error_message = g_slice_alloc0 (error_message_size);

+ PR_GetErrorText (error_message);

+

+ g_set_error (error,

+ GSD_SMARTCARD_MANAGER_ERROR,

+ GSD_SMARTCARD_MANAGER_ERROR_LOADING_DRIVER,

+ "%s", error_message);

+

+ g_debug ("smartcard driver '%s' could not be loaded - %s",

+ module_path, error_message);

+ g_slice_free1 (error_message_size, error_message);

+ }

+

+out:

+ return module;

+}

+

+static void

+gsd_smartcard_manager_get_all_cards (GsdSmartcardManager *manager)

+{

+ int i;

+

+ for (i = 0; i < manager->priv->module->slotCount; i++) {

+ GsdSmartcard *card;

+ CK_SLOT_ID slot_id;

+ int slot_series;

+ char *card_name;

+

+ slot_id = PK11_GetSlotID (manager->priv->module->slots[i]);

+ slot_series = PK11_GetSlotSeries (manager->priv->module->slots[i]);

+

+ card = _gsd_smartcard_new (manager->priv->module,

+ slot_id, slot_series);

+

+ card_name = gsd_smartcard_get_name (card);

+

+ g_hash_table_replace (manager->priv->smartcards,

+ card_name, card);

+ }

+}

+

+gboolean

+gsd_smartcard_manager_start (GsdSmartcardManager *manager,

+ GError **error)

+{

+ GError *watching_error;

+ int worker_fd;

+ GPid worker_pid;

+ GIOChannel *io_channel;

+ GSource *source;

+ GIOFlags channel_flags;

+ GError *nss_error;

+

+ if (manager->priv->state == GSD_SMARTCARD_MANAGER_STATE_STARTED) {

+ g_debug ("smartcard manager already started");

+ return TRUE;

+ }

+

+ manager->priv->state = GSD_SMARTCARD_MANAGER_STATE_STARTING;

+

+ worker_fd = -1;

+ worker_pid = 0;

+

+ nss_error = NULL;

+ if (!manager->priv->nss_is_loaded && !load_nss (&nss_error)) {

+ g_propagate_error (error, nss_error);

+ goto out;

+ }

+ manager->priv->nss_is_loaded = TRUE;

+

+ if (manager->priv->module == NULL) {

+ manager->priv->module = load_driver (manager->priv->module_path, &nss_error);

+ }

+

+ if (manager->priv->module == NULL) {

+ g_propagate_error (error, nss_error);

+ goto out;

+ }

+

+ if (!gsd_smartcard_manager_create_worker (manager, &worker_fd, &manager->priv->worker_thread)) {

+

+ g_set_error (error,

+ GSD_SMARTCARD_MANAGER_ERROR,

+ GSD_SMARTCARD_MANAGER_ERROR_WATCHING_FOR_EVENTS,

+ _("could not watch for incoming card events - %s"),

+ g_strerror (errno));

+

+ goto out;

+ }

+

+ io_channel = g_io_channel_unix_new (worker_fd);

+

+ channel_flags = g_io_channel_get_flags (io_channel);

+ watching_error = NULL;

+

+ source = g_io_create_watch (io_channel, G_IO_IN | G_IO_HUP);

+ g_io_channel_unref (io_channel);

+ io_channel = NULL;

+

+ manager->priv->smartcard_event_source = source;

+

+ g_source_set_callback (manager->priv->smartcard_event_source,

+ (GSourceFunc) (GIOFunc)

+ gsd_smartcard_manager_check_for_and_process_events,

+ manager,

+ (GDestroyNotify)

+ gsd_smartcard_manager_event_processing_stopped_handler);

+ g_source_attach (manager->priv->smartcard_event_source, NULL);

+ g_source_unref (manager->priv->smartcard_event_source);

+

+ /* populate the hash with cards that are already inserted

+ */

+ gsd_smartcard_manager_get_all_cards (manager);

+

+ manager->priv->state = GSD_SMARTCARD_MANAGER_STATE_STARTED;

+

+out:

+ /* don't leave it in a half started state

+ */

+ if (manager->priv->state != GSD_SMARTCARD_MANAGER_STATE_STARTED) {

+ g_debug ("smartcard manager could not be completely started");

+ gsd_smartcard_manager_stop (manager);

+ } else {

+ g_debug ("smartcard manager started");

+ }

+

+ return manager->priv->state == GSD_SMARTCARD_MANAGER_STATE_STARTED;

+}

+

+static gboolean

+gsd_smartcard_manager_stop_now (GsdSmartcardManager *manager)

+{

+ if (manager->priv->state == GSD_SMARTCARD_MANAGER_STATE_STOPPED) {

+ return FALSE;

+ }

+

+ manager->priv->state = GSD_SMARTCARD_MANAGER_STATE_STOPPED;

+ gsd_smartcard_manager_stop_watching_for_events (manager);

+

+ if (manager->priv->module != NULL) {

+ SECMOD_DestroyModule (manager->priv->module);

+ manager->priv->module = NULL;

+ }

+

+ if (manager->priv->nss_is_loaded) {

+ NSS_Shutdown ();

+ manager->priv->nss_is_loaded = FALSE;

+ }

+

+ g_debug ("smartcard manager stopped");

+

+ return FALSE;

+}

+

+static void

+gsd_smartcard_manager_queue_stop (GsdSmartcardManager *manager)

+{

+

+ manager->priv->state = GSD_SMARTCARD_MANAGER_STATE_STOPPING;

+

+ g_idle_add ((GSourceFunc) gsd_smartcard_manager_stop_now, manager);

+}

+

+void

+gsd_smartcard_manager_stop (GsdSmartcardManager *manager)

+{

+ if (manager->priv->state == GSD_SMARTCARD_MANAGER_STATE_STOPPED) {

+ return;

+ }

+

+ if (manager->priv->is_unstoppable) {

+ gsd_smartcard_manager_queue_stop (manager);

+ return;

+ }

+

+ gsd_smartcard_manager_stop_now (manager);

+}

+

+static void

+gsd_smartcard_manager_check_for_login_card (CK_SLOT_ID slot_id,

+ GsdSmartcard *card,

+ gboolean *is_inserted)

+{

+ g_assert (is_inserted != NULL);

+

+ if (gsd_smartcard_is_login_card (card)) {

+ *is_inserted = TRUE;

+ }

+

+}

+

+gboolean

+gsd_smartcard_manager_login_card_is_inserted (GsdSmartcardManager *manager)

+

+{

+ gboolean is_inserted;

+

+ is_inserted = FALSE;

+ g_hash_table_foreach (manager->priv->smartcards,

+ (GHFunc)

+ gsd_smartcard_manager_check_for_login_card,

+ &is_inserted);

+ return is_inserted;

+}

+

+static GsdSmartcardManagerWorker *

+gsd_smartcard_manager_worker_new (int write_fd)

+{

+ GsdSmartcardManagerWorker *worker;

+

+ worker = g_slice_new0 (GsdSmartcardManagerWorker);

+ worker->write_fd = write_fd;

+ worker->module = NULL;

+

+ worker->smartcards =

+ g_hash_table_new_full ((GHashFunc) slot_id_hash,

+ (GEqualFunc) slot_id_equal,

+ (GDestroyNotify) g_free,

+ (GDestroyNotify) g_object_unref);

+

+ return worker;

+}

+

+static void

+gsd_smartcard_manager_worker_free (GsdSmartcardManagerWorker *worker)

+{

+ if (worker->smartcards != NULL) {

+ g_hash_table_destroy (worker->smartcards);

+ worker->smartcards = NULL;

+ }

+

+ g_slice_free (GsdSmartcardManagerWorker, worker);

+}

+

+static gboolean

+read_bytes (int fd,

+ gpointer bytes,

+ gsize num_bytes)

+{

+ size_t bytes_left;

+ size_t total_bytes_read;

+ ssize_t bytes_read;

+

+ bytes_left = (size_t) num_bytes;

+ total_bytes_read = 0;

+

+ do {

+ bytes_read = read (fd,

+ (char *) bytes + total_bytes_read,

+ bytes_left);

+ g_assert (bytes_read <= (ssize_t) bytes_left);

+

+ if (bytes_read <= 0) {

+ if ((bytes_read < 0) && (errno == EINTR || errno == EAGAIN)) {

+ continue;

+ }

+

+ bytes_left = 0;

+ } else {

+ bytes_left -= bytes_read;

+ total_bytes_read += bytes_read;

+ }

+ } while (bytes_left > 0);

+

+ if (total_bytes_read < (size_t) num_bytes) {

+ return FALSE;

+ }

+

+ return TRUE;

+}

+

+static gboolean

+write_bytes (int fd,

+ gconstpointer bytes,

+ gsize num_bytes)

+{

+ size_t bytes_left;

+ size_t total_bytes_written;

+ ssize_t bytes_written;

+

+ bytes_left = (size_t) num_bytes;

+ total_bytes_written = 0;

+

+ do {

+ bytes_written = write (fd,

+ (char *) bytes + total_bytes_written,

+ bytes_left);

+ g_assert (bytes_written <= (ssize_t) bytes_left);

+

+ if (bytes_written <= 0) {

+ if ((bytes_written < 0) && (errno == EINTR || errno == EAGAIN)) {

+ continue;

+ }

+

+ bytes_left = 0;

+ } else {

+ bytes_left -= bytes_written;

+ total_bytes_written += bytes_written;

+ }

+ } while (bytes_left > 0);

+

+ if (total_bytes_written < (size_t) num_bytes) {

+ return FALSE;

+ }

+

+ return TRUE;

+}

+

+static GsdSmartcard *

+read_smartcard (int fd,

+ SECMODModule *module)

+{

+ GsdSmartcard *card;

+ char *card_name;

+ gsize card_name_size;

+

+ card_name_size = 0;

+ if (!read_bytes (fd, &card_name_size, sizeof (card_name_size))) {

+ return NULL;

+ }

+

+ card_name = g_slice_alloc0 (card_name_size);

+ if (!read_bytes (fd, card_name, card_name_size)) {

+ g_slice_free1 (card_name_size, card_name);

+ return NULL;

+ }

+ card = _gsd_smartcard_new_from_name (module, card_name);

+ g_slice_free1 (card_name_size, card_name);

+

+ return card;

+}

+

+static gboolean

+write_smartcard (int fd,

+ GsdSmartcard *card)

+{

+ gsize card_name_size;

+ char *card_name;

+

+ card_name = gsd_smartcard_get_name (card);

+ card_name_size = strlen (card_name) + 1;

+

+ if (!write_bytes (fd, &card_name_size, sizeof (card_name_size))) {

+ g_free (card_name);

+ return FALSE;

+ }

+

+ if (!write_bytes (fd, card_name, card_name_size)) {

+ g_free (card_name);

+ return FALSE;

+ }

+ g_free (card_name);

+

+ return TRUE;

+}

+

+static gboolean

+gsd_smartcard_manager_worker_emit_smartcard_removed (GsdSmartcardManagerWorker *worker,

+ GsdSmartcard *card,

+ GError **error)

+{

+ g_debug ("card '%s' removed!", gsd_smartcard_get_name (card));

+

+ if (!write_bytes (worker->write_fd, "R", 1)) {

+ goto error_out;

+ }

+

+ if (!write_smartcard (worker->write_fd, card)) {

+ goto error_out;

+ }

+

+ return TRUE;

+

+error_out:

+ g_set_error (error, GSD_SMARTCARD_MANAGER_ERROR,

+ GSD_SMARTCARD_MANAGER_ERROR_REPORTING_EVENTS,

+ "%s", g_strerror (errno));

+ return FALSE;

+}

+

+static gboolean

+gsd_smartcard_manager_worker_emit_smartcard_inserted (GsdSmartcardManagerWorker *worker,

+ GsdSmartcard *card,

+ GError **error)

+{

+ GError *write_error;

+

+ write_error = NULL;

+ g_debug ("card '%s' inserted!", gsd_smartcard_get_name (card));

+ if (!write_bytes (worker->write_fd, "I", 1)) {

+ goto error_out;

+ }

+

+ if (!write_smartcard (worker->write_fd, card)) {

+ goto error_out;

+ }

+

+ return TRUE;

+

+error_out:

+ g_set_error (error, GSD_SMARTCARD_MANAGER_ERROR,

+ GSD_SMARTCARD_MANAGER_ERROR_REPORTING_EVENTS,

+ "%s", g_strerror (errno));

+ return FALSE;

+}

+

+static gboolean

+gsd_smartcard_manager_worker_watch_for_and_process_event (GsdSmartcardManagerWorker *worker,

+ GError **error)

+{

+ PK11SlotInfo *slot;

+ CK_SLOT_ID slot_id, *key;

+ int slot_series, card_slot_series;

+ GsdSmartcard *card;

+ GError *processing_error;

+ gboolean ret;

+

+ g_debug ("waiting for card event");

+ ret = FALSE;

+

+ slot = SECMOD_WaitForAnyTokenEvent (worker->module, 0, PR_SecondsToInterval (1));

+ processing_error = NULL;

+

+ if (slot == NULL) {

+ int error_code;

+

+ error_code = PORT_GetError ();

+ if ((error_code == 0) || (error_code == SEC_ERROR_NO_EVENT)) {

+ g_debug ("spurrious event occurred");

+ return TRUE;

+ }

+

+ /* FIXME: is there a function to convert from a PORT error

+ * code to a translated string?

+ */

+ g_set_error (error, GSD_SMARTCARD_MANAGER_ERROR,

+ GSD_SMARTCARD_MANAGER_ERROR_WITH_NSS,

+ _("encountered unexpected error while "

+ "waiting for smartcard events"));

+ goto out;

+ }

+

+ /* the slot id and series together uniquely identify a card.

+ * You can never have two cards with the same slot id at the

+ * same time, however (I think), so we can key off of it.

+ */

+ slot_id = PK11_GetSlotID (slot);

+ slot_series = PK11_GetSlotSeries (slot);

+

+ /* First check to see if there is a card that we're currently

+ * tracking in the slot.

+ */

+ key = g_new (CK_SLOT_ID, 1);

+ *key = slot_id;

+ card = g_hash_table_lookup (worker->smartcards, key);

+

+ if (card != NULL) {

+ card_slot_series = gsd_smartcard_get_slot_series (card);

+ } else {

+ card_slot_series = -1;

+ }

+

+ if (PK11_IsPresent (slot)) {

+ /* Now, check to see if their is a new card in the slot.

+ * If there was a different card in the slot now than

+ * there was before, then we need to emit a removed signal

+ * for the old card (we don't want unpaired insertion events).

+ */

+ if ((card != NULL) &&

+ card_slot_series != slot_series) {

+ if (!gsd_smartcard_manager_worker_emit_smartcard_removed (worker, card, &processing_error)) {

+ g_propagate_error (error, processing_error);

+ goto out;

+ }

+ }

+

+ card = _gsd_smartcard_new (worker->module,

+ slot_id, slot_series);

+

+ g_hash_table_replace (worker->smartcards,

+ key, card);

+ key = NULL;

+

+ if (!gsd_smartcard_manager_worker_emit_smartcard_inserted (worker,

+ card,

+ &processing_error)) {

+ g_propagate_error (error, processing_error);

+ goto out;

+ }

+ } else {

+ /* if we aren't tracking the card, just discard the event.

+ * We don't want unpaired remove events. Note on startup

+ * NSS will generate an "insertion" event if a card is

+ * already inserted in the slot.

+ */

+ if ((card != NULL)) {

+ /* FIXME: i'm not sure about this code. Maybe we

+ * shouldn't do this at all, or maybe we should do it

+ * n times (where n = slot_series - card_slot_series + 1)

+ *

+ * Right now, i'm just doing it once.

+ */

+ if ((slot_series - card_slot_series) > 1) {

+

+ if (!gsd_smartcard_manager_worker_emit_smartcard_removed (worker, card, &processing_error)) {

+ g_propagate_error (error, processing_error);

+ goto out;

+ }

+ g_hash_table_remove (worker->smartcards, key);

+

+ card = _gsd_smartcard_new (worker->module,

+ slot_id, slot_series);

+ g_hash_table_replace (worker->smartcards,

+ key, card);

+ key = NULL;

+ if (!gsd_smartcard_manager_worker_emit_smartcard_inserted (worker, card, &processing_error)) {

+ g_propagate_error (error, processing_error);

+ goto out;

+ }

+ }

+

+ if (!gsd_smartcard_manager_worker_emit_smartcard_removed (worker, card, &processing_error)) {

+ g_propagate_error (error, processing_error);

+ goto out;

+ }

+

+ g_hash_table_remove (worker->smartcards, key);

+ card = NULL;

+ } else {

+ g_debug ("got spurious remove event");

+ }

+ }

+

+ ret = TRUE;

+

+out:

+ g_free (key);

+ PK11_FreeSlot (slot);

+

+ return ret;

+}

+

+static void

+gsd_smartcard_manager_worker_run (GsdSmartcardManagerWorker *worker)

+{

+ GError *error;

+

+

+ error = NULL;

+

+ while (gsd_smartcard_manager_worker_watch_for_and_process_event (worker, &error));

+

+ if (error != NULL) {

+ g_debug ("could not process card event - %s", error->message);

+ g_error_free (error);

+ }

+

+ gsd_smartcard_manager_worker_free (worker);

+}

+

+static gboolean

+gsd_smartcard_manager_create_worker (GsdSmartcardManager *manager,

+ int *worker_fd,

+ GThread **worker_thread)

+{

+ GsdSmartcardManagerWorker *worker;

+ int write_fd, read_fd;

+

+ write_fd = -1;

+ read_fd = -1;

+ if (!open_pipe (&write_fd, &read_fd)) {

+ return FALSE;

+ }

+

+ worker = gsd_smartcard_manager_worker_new (write_fd);

+ worker->module = manager->priv->module;

+

+ *worker_thread = g_thread_create ((GThreadFunc)

+ gsd_smartcard_manager_worker_run,

+ worker, FALSE, NULL);

+

+ if (*worker_thread == NULL) {

+ gsd_smartcard_manager_worker_free (worker);

+ return FALSE;

+ }

+

+ if (worker_fd) {

+ *worker_fd = read_fd;

+ }

+

+ return TRUE;

+}

+

+#ifdef GSD_SMARTCARD_MANAGER_ENABLE_TEST

+#include <glib.h>

+

+static GMainLoop *event_loop;

+static gboolean should_exit_on_next_remove = FALSE;

+

+static gboolean

+on_timeout (GsdSmartcardManager *manager)

+{

+ GError *error;

+ g_print ("Re-enabling manager.\n");

+

+ if (!gsd_smartcard_manager_start (manager, &error)) {

+ g_warning ("could not start smartcard manager - %s",

+ error->message);

+ g_error_free (error);

+ return 1;

+ }

+ g_print ("Please re-insert smartcard\n");

+

+ should_exit_on_next_remove = TRUE;

+

+ return FALSE;

+}

+

+static void

+on_device_inserted (GsdSmartcardManager *manager,

+ GsdSmartcard *card)

+{

+ g_print ("smartcard inserted!\n");

+ g_print ("Please remove it.\n");

+}

+

+static void

+on_device_removed (GsdSmartcardManager *manager,

+ GsdSmartcard *card)

+{

+ g_print ("smartcard removed!\n");

+

+ if (should_exit_on_next_remove) {

+ g_main_loop_quit (event_loop);

+ } else {

+ g_print ("disabling manager for 2 seconds\n");

+ gsd_smartcard_manager_stop (manager);

+ g_timeout_add (2000, (GSourceFunc) on_timeout, manager);

+ }

+}

+

+int

+main (int argc,

+ char *argv[])

+{

+ GsdSmartcardManager *manager;

+ GError *error;

+

+ g_log_set_always_fatal (G_LOG_LEVEL_ERROR

+ | G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING);

+

+ g_type_init ();

+

+ g_message ("creating instance of 'smartcard manager' object...");

+ manager = gsd_smartcard_manager_new (NULL);

+ g_message ("'smartcard manager' object created successfully");

+

+ g_signal_connect (manager, "smartcard-inserted",

+ G_CALLBACK (on_device_inserted), NULL);

+

+ g_signal_connect (manager, "smartcard-removed",

+ G_CALLBACK (on_device_removed), NULL);

+

+ g_message ("starting listener...");

+

+ error = NULL;

+ if (!gsd_smartcard_manager_start (manager, &error)) {

+ g_warning ("could not start smartcard manager - %s",

+ error->message);

+ g_error_free (error);

+ return 1;

+ }

+

+ event_loop = g_main_loop_new (NULL, FALSE);

+ g_main_loop_run (event_loop);

+ g_main_loop_unref (event_loop);

+ event_loop = NULL;

+

+ g_message ("destroying previously created 'smartcard manager' object...");

+ g_object_unref (manager);

+ manager = NULL;

+ g_message ("'smartcard manager' object destroyed successfully");

+

+ return 0;

+}

+#endif

+/* gsd-smartcard-manager.h - object for monitoring smartcard insertion and

+ * removal events

+ *

+ * Copyright (C) 2006, 2009 Red Hat, Inc.

+ *

+ * 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.

+ *

+ * Written by: Ray Strode

+ */

+#ifndef GSD_SMARTCARD_MANAGER_H

+#define GSD_SMARTCARD_MANAGER_H

+

+#define GSD_SMARTCARD_ENABLE_INTERNAL_API

+#include "gsd-smartcard.h"

+

+#include <glib.h>

+#include <glib-object.h>

+

+#ifdef __cplusplus

+extern "C" {

+#endif

+#define GSD_TYPE_SMARTCARD_MANAGER (gsd_smartcard_manager_get_type ())

+#define GSD_SMARTCARD_MANAGER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GSD_TYPE_SMARTCARD_MANAGER, GsdSmartcardManager))

+#define GSD_SMARTCARD_MANAGER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GSD_TYPE_SMARTCARD_MANAGER, GsdSmartcardManagerClass))

+#define GSD_IS_SMARTCARD_MANAGER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SC_TYPE_SMARTCARD_MANAGER))

+#define GSD_IS_SMARTCARD_MANAGER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), SC_TYPE_SMARTCARD_MANAGER))

+#define GSD_SMARTCARD_MANAGER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GSD_TYPE_SMARTCARD_MANAGER, GsdSmartcardManagerClass))

+#define GSD_SMARTCARD_MANAGER_ERROR (gsd_smartcard_manager_error_quark ())

+typedef struct _GsdSmartcardManager GsdSmartcardManager;

+typedef struct _GsdSmartcardManagerClass GsdSmartcardManagerClass;

+typedef struct _GsdSmartcardManagerPrivate GsdSmartcardManagerPrivate;

+typedef enum _GsdSmartcardManagerError GsdSmartcardManagerError;

+

+struct _GsdSmartcardManager {

+ GObject parent;

+

+ /*< private > */

+ GsdSmartcardManagerPrivate *priv;

+};

+

+struct _GsdSmartcardManagerClass {

+ GObjectClass parent_class;

+

+ /* Signals */

+ void (*smartcard_inserted) (GsdSmartcardManager *manager,

+ GsdSmartcard *token);

+ void (*smartcard_removed) (GsdSmartcardManager *manager,

+ GsdSmartcard *token);

+ void (*error) (GsdSmartcardManager *manager,

+ GError *error);

+};

+

+enum _GsdSmartcardManagerError {

+ GSD_SMARTCARD_MANAGER_ERROR_GENERIC = 0,

+ GSD_SMARTCARD_MANAGER_ERROR_WITH_NSS,

+ GSD_SMARTCARD_MANAGER_ERROR_LOADING_DRIVER,

+ GSD_SMARTCARD_MANAGER_ERROR_WATCHING_FOR_EVENTS,

+ GSD_SMARTCARD_MANAGER_ERROR_REPORTING_EVENTS

+};

+

+GType gsd_smartcard_manager_get_type (void) G_GNUC_CONST;

+GQuark gsd_smartcard_manager_error_quark (void) G_GNUC_CONST;

+

+GsdSmartcardManager *gsd_smartcard_manager_new (const char *module);

+

+gboolean gsd_smartcard_manager_start (GsdSmartcardManager *manager,

+ GError **error);

+

+void gsd_smartcard_manager_stop (GsdSmartcardManager *manager);

+

+char *gsd_smartcard_manager_get_module_path (GsdSmartcardManager *manager);

+gboolean gsd_smartcard_manager_login_card_is_inserted (GsdSmartcardManager *manager);

+

+#ifdef __cplusplus

+}

+#endif

+#endif /* GSD_SMARTCARD_MANAGER_H */

+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-

+ *

+ * Copyright (C) 2010 Red Hat, Inc.

+ *

+ * 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 <glib.h>

+#include <glib-object.h>

+

+#include <dbus/dbus-glib.h>

+

+#include <mateconf/mateconf-client.h>

+

+#include "mate-settings-plugin.h"

+#include "gsd-smartcard-plugin.h"

+#include "gsd-smartcard-manager.h"

+

+struct GsdSmartcardPluginPrivate {

+ GsdSmartcardManager *manager;

+ DBusGConnection *bus_connection;

+

+ guint32 is_active : 1;

+};

+

+typedef enum

+{

+ GSD_SMARTCARD_REMOVE_ACTION_NONE,

+ GSD_SMARTCARD_REMOVE_ACTION_LOCK_SCREEN,

+ GSD_SMARTCARD_REMOVE_ACTION_FORCE_LOGOUT,

+} GsdSmartcardRemoveAction;

+

+#define SCREENSAVER_DBUS_NAME "org.mate.ScreenSaver"

+#define SCREENSAVER_DBUS_PATH "/"

+#define SCREENSAVER_DBUS_INTERFACE "org.mate.ScreenSaver"

+

+#define SM_DBUS_NAME "org.mate.SessionManager"

+#define SM_DBUS_PATH "/org/mate/SessionManager"

+#define SM_DBUS_INTERFACE "org.mate.SessionManager"

+#define SM_LOGOUT_MODE_FORCE 2

+

+#define GSD_SMARTCARD_KEY "/desktop/mate/peripherals/smartcard"

+#define KEY_REMOVE_ACTION GSD_SMARTCARD_KEY "/removal_action"

+

+#define GSD_SMARTCARD_PLUGIN_GET_PRIVATE(object) (G_TYPE_INSTANCE_GET_PRIVATE ((object), GSD_TYPE_SMARTCARD_PLUGIN, GsdSmartcardPluginPrivate))

+

+MATE_SETTINGS_PLUGIN_REGISTER (GsdSmartcardPlugin, gsd_smartcard_plugin);

+

+static void

+simulate_user_activity (GsdSmartcardPlugin *plugin)

+{

+ DBusGProxy *screensaver_proxy;

+

+ g_debug ("GsdSmartcardPlugin telling screensaver about smart card insertion");

+ screensaver_proxy = dbus_g_proxy_new_for_name (plugin->priv->bus_connection,

+ SCREENSAVER_DBUS_NAME,

+ SCREENSAVER_DBUS_PATH,

+ SCREENSAVER_DBUS_INTERFACE);

+

+ dbus_g_proxy_call_no_reply (screensaver_proxy,

+ "SimulateUserActivity",

+ G_TYPE_INVALID, G_TYPE_INVALID);

+

+ g_object_unref (screensaver_proxy);

+}

+

+static void

+lock_screen (GsdSmartcardPlugin *plugin)

+{

+ DBusGProxy *screensaver_proxy;

+

+ g_debug ("GsdSmartcardPlugin telling screensaver to lock screen");

+ screensaver_proxy = dbus_g_proxy_new_for_name (plugin->priv->bus_connection,

+ SCREENSAVER_DBUS_NAME,

+ SCREENSAVER_DBUS_PATH,

+ SCREENSAVER_DBUS_INTERFACE);

+

+ dbus_g_proxy_call_no_reply (screensaver_proxy,

+ "Lock",

+ G_TYPE_INVALID, G_TYPE_INVALID);

+

+ g_object_unref (screensaver_proxy);

+}

+

+static void

+force_logout (GsdSmartcardPlugin *plugin)

+{

+ DBusGProxy *sm_proxy;

+ GError *error;

+ gboolean res;

+

+ g_debug ("GsdSmartcardPlugin telling session manager to force logout");

+ sm_proxy = dbus_g_proxy_new_for_name (plugin->priv->bus_connection,

+ SM_DBUS_NAME,

+ SM_DBUS_PATH,

+ SM_DBUS_INTERFACE);

+

+ error = NULL;

+ res = dbus_g_proxy_call (sm_proxy,

+ "Logout",

+ &error,

+ G_TYPE_UINT, SM_LOGOUT_MODE_FORCE,

+ G_TYPE_INVALID, G_TYPE_INVALID);

+

+ if (! res) {

+ g_warning ("GsdSmartcardPlugin Unable to force logout: %s", error->message);

+ g_error_free (error);

+ }

+

+ g_object_unref (sm_proxy);

+}

+

+static void

+gsd_smartcard_plugin_init (GsdSmartcardPlugin *plugin)

+{

+ plugin->priv = GSD_SMARTCARD_PLUGIN_GET_PRIVATE (plugin);

+

+ g_debug ("GsdSmartcardPlugin initializing");

+

+ plugin->priv->manager = gsd_smartcard_manager_new (NULL);

+}

+

+static void

+gsd_smartcard_plugin_finalize (GObject *object)

+{

+ GsdSmartcardPlugin *plugin;

+

+ g_return_if_fail (object != NULL);

+ g_return_if_fail (GSD_IS_SMARTCARD_PLUGIN (object));

+

+ g_debug ("GsdSmartcardPlugin finalizing");

+

+ plugin = GSD_SMARTCARD_PLUGIN (object);

+

+ g_return_if_fail (plugin->priv != NULL);

+

+ if (plugin->priv->manager != NULL) {

+ g_object_unref (plugin->priv->manager);

+ }

+

+ G_OBJECT_CLASS (gsd_smartcard_plugin_parent_class)->finalize (object);

+}

+

+static void

+smartcard_inserted_cb (GsdSmartcardManager *card_monitor,

+ GsdSmartcard *card,

+ GsdSmartcardPlugin *plugin)

+{

+ char *name;

+

+ name = gsd_smartcard_get_name (card);

+ g_debug ("GsdSmartcardPlugin smart card '%s' inserted", name);

+ g_free (name);

+

+ simulate_user_activity (plugin);

+}

+

+static gboolean

+user_logged_in_with_smartcard (void)

+{

+ return g_getenv ("PKCS11_LOGIN_TOKEN_NAME") != NULL;

+}

+

+static GsdSmartcardRemoveAction

+get_configured_remove_action (GsdSmartcardPlugin *plugin)

+{

+ MateConfClient *client;

+ char *remove_action_string;

+ GsdSmartcardRemoveAction remove_action;

+

+ client = mateconf_client_get_default ();

+ remove_action_string = mateconf_client_get_string (client,

+ KEY_REMOVE_ACTION, NULL);

+

+ if (remove_action_string == NULL) {

+ g_warning ("GsdSmartcardPlugin unable to get smartcard remove action");

+ remove_action = GSD_SMARTCARD_REMOVE_ACTION_NONE;

+ } else if (strcmp (remove_action_string, "none") == 0) {

+ remove_action = GSD_SMARTCARD_REMOVE_ACTION_NONE;

+ } else if (strcmp (remove_action_string, "lock_screen") == 0) {

+ remove_action = GSD_SMARTCARD_REMOVE_ACTION_LOCK_SCREEN;

+ } else if (strcmp (remove_action_string, "force_logout") == 0) {

+ remove_action = GSD_SMARTCARD_REMOVE_ACTION_FORCE_LOGOUT;

+ } else {

+ g_warning ("GsdSmartcardPlugin unknown smartcard remove action");

+ remove_action = GSD_SMARTCARD_REMOVE_ACTION_NONE;

+ }

+

+ g_object_unref (client);

+

+ return remove_action;

+}

+

+static void

+process_smartcard_removal (GsdSmartcardPlugin *plugin)

+{

+ GsdSmartcardRemoveAction remove_action;

+

+ g_debug ("GsdSmartcardPlugin processing smartcard removal");

+ remove_action = get_configured_remove_action (plugin);

+

+ switch (remove_action)

+ {

+ case GSD_SMARTCARD_REMOVE_ACTION_NONE:

+ return;

+ case GSD_SMARTCARD_REMOVE_ACTION_LOCK_SCREEN:

+ lock_screen (plugin);

+ break;

+ case GSD_SMARTCARD_REMOVE_ACTION_FORCE_LOGOUT:

+ force_logout (plugin);

+ break;

+ }

+}

+

+static void

+smartcard_removed_cb (GsdSmartcardManager *card_monitor,

+ GsdSmartcard *card,

+ GsdSmartcardPlugin *plugin)

+{

+

+ char *name;

+

+ name = gsd_smartcard_get_name (card);

+ g_debug ("GsdSmartcardPlugin smart card '%s' removed", name);

+ g_free (name);

+

+ if (!gsd_smartcard_is_login_card (card)) {

+ g_debug ("GsdSmartcardPlugin removed smart card was not used to login");

+ return;

+ }

+

+ process_smartcard_removal (plugin);

+}

+

+static void

+impl_activate (MateSettingsPlugin *plugin)

+{

+ GError *error;

+ GsdSmartcardPlugin *smartcard_plugin = GSD_SMARTCARD_PLUGIN (plugin);

+

+ if (smartcard_plugin->priv->is_active) {

+ g_debug ("GsdSmartcardPlugin Not activating smartcard plugin, because it's "

+ "already active");

+ return;

+ }

+

+ if (!user_logged_in_with_smartcard ()) {

+ g_debug ("GsdSmartcardPlugin Not activating smartcard plugin, because user didn't use "

+ " smartcard to log in");

+ smartcard_plugin->priv->is_active = FALSE;

+ return;

+ }

+

+ g_debug ("GsdSmartcardPlugin Activating smartcard plugin");

+

+ error = NULL;

+ smartcard_plugin->priv->bus_connection = dbus_g_bus_get (DBUS_BUS_SESSION, &error);

+

+ if (smartcard_plugin->priv->bus_connection == NULL) {

+ g_warning ("GsdSmartcardPlugin Unable to connect to session bus: %s", error->message);

+ return;

+ }

+

+ if (!gsd_smartcard_manager_start (smartcard_plugin->priv->manager, &error)) {

+ g_warning ("GsdSmartcardPlugin Unable to start smartcard manager: %s", error->message);

+ g_error_free (error);

+ }

+

+ g_signal_connect (smartcard_plugin->priv->manager,

+ "smartcard-removed",

+ G_CALLBACK (smartcard_removed_cb), smartcard_plugin);

+

+ g_signal_connect (smartcard_plugin->priv->manager,

+ "smartcard-inserted",

+ G_CALLBACK (smartcard_inserted_cb), smartcard_plugin);

+

+ if (!gsd_smartcard_manager_login_card_is_inserted (smartcard_plugin->priv->manager)) {

+ g_debug ("GsdSmartcardPlugin processing smartcard removal immediately user logged in with smartcard "

+ "and it's not inserted");

+ process_smartcard_removal (smartcard_plugin);

+ }

+

+ smartcard_plugin->priv->is_active = TRUE;

+}

+

+static void

+impl_deactivate (MateSettingsPlugin *plugin)

+{

+ GsdSmartcardPlugin *smartcard_plugin = GSD_SMARTCARD_PLUGIN (plugin);

+

+ if (!smartcard_plugin->priv->is_active) {

+ g_debug ("GsdSmartcardPlugin Not deactivating smartcard plugin, "

+ "because it's already inactive");

+ return;

+ }

+

+ g_debug ("GsdSmartcardPlugin Deactivating smartcard plugin");

+

+ gsd_smartcard_manager_stop (smartcard_plugin->priv->manager);

+

+ g_signal_handlers_disconnect_by_func (smartcard_plugin->priv->manager,

+ smartcard_removed_cb, smartcard_plugin);

+

+ g_signal_handlers_disconnect_by_func (smartcard_plugin->priv->manager,

+ smartcard_inserted_cb, smartcard_plugin);

+ smartcard_plugin->priv->bus_connection = NULL;

+ smartcard_plugin->priv->is_active = FALSE;

+}

+

+static void

+gsd_smartcard_plugin_class_init (GsdSmartcardPluginClass *klass)

+{

+ GObjectClass *object_class = G_OBJECT_CLASS (klass);

+ MateSettingsPluginClass *plugin_class = MATE_SETTINGS_PLUGIN_CLASS (klass);

+

+ object_class->finalize = gsd_smartcard_plugin_finalize;

+

+ plugin_class->activate = impl_activate;

+ plugin_class->deactivate = impl_deactivate;

+

+ g_type_class_add_private (klass, sizeof (GsdSmartcardPluginPrivate));

+}

+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-

+ *

+ * Copyright (C) 2010 Red Hat, Inc.

+ *

+ * 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_SMARTCARD_PLUGIN_H__

+#define __GSD_SMARTCARD_PLUGIN_H__

+

+#include <glib.h>

+#include <glib-object.h>

+#include <gmodule.h>

+

+#include "mate-settings-plugin.h"

+

+#ifdef __cplusplus

+extern "C" {

+#endif

+

+#define GSD_TYPE_SMARTCARD_PLUGIN (gsd_smartcard_plugin_get_type ())

+#define GSD_SMARTCARD_PLUGIN(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GSD_TYPE_SMARTCARD_PLUGIN, GsdSmartcardPlugin))

+#define GSD_SMARTCARD_PLUGIN_CLASS(k) (G_TYPE_CHECK_CLASS_CAST ((k), GSD_TYPE_SMARTCARD_PLUGIN, GsdSmartcardPluginClass))

+#define GSD_IS_SMARTCARD_PLUGIN(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GSD_TYPE_SMARTCARD_PLUGIN))

+#define GSD_IS_SMARTCARD_PLUGIN_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), GSD_TYPE_SMARTCARD_PLUGIN))

+#define GSD_SMARTCARD_PLUGIN_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GSD_TYPE_SMARTCARD_PLUGIN, GsdSmartcardPluginClass))

+

+typedef struct GsdSmartcardPluginPrivate GsdSmartcardPluginPrivate;

+

+typedef struct

+{

+ MateSettingsPlugin parent;

+ GsdSmartcardPluginPrivate *priv;

+} GsdSmartcardPlugin;

+

+typedef struct

+{

+ MateSettingsPluginClass parent_class;

+} GsdSmartcardPluginClass;

+

+GType gsd_smartcard_plugin_get_type (void) G_GNUC_CONST;

+

+/* All the plugins must implement this function */

+G_MODULE_EXPORT GType register_mate_settings_plugin (GTypeModule *module);

+

+#ifdef __cplusplus

+}

+#endif

+

+#endif /* __GSD_SMARTCARD_PLUGIN_H__ */

+/* gsd-smartcard.c - smartcard object

+ *

+ * Copyright (C) 2006 Ray Strode <[email protected]>

+ *

+ * 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.

+ */

+#define GSD_SMARTCARD_ENABLE_INTERNAL_API

+#include "gsd-smartcard.h"

+

+#include <errno.h>

+#include <string.h>

+#include <unistd.h>

+

+#include <glib.h>

+#include <glib/gi18n.h>

+

+#include <cert.h>

+#include <nss.h>

+#include <pk11func.h>

+#include <prerror.h>

+#include <secmod.h>

+#include <secerr.h>

+

+struct _GsdSmartcardPrivate {

+ SECMODModule *module;

+ GsdSmartcardState state;

+

+ CK_SLOT_ID slot_id;

+ int slot_series;

+

+ PK11SlotInfo *slot;

+ char *name;

+

+ CERTCertificate *signing_certificate;

+ CERTCertificate *encryption_certificate;

+};

+

+static void gsd_smartcard_finalize (GObject *object);

+static void gsd_smartcard_class_install_signals (GsdSmartcardClass *card_class);

+static void gsd_smartcard_class_install_properties (GsdSmartcardClass *card_class);

+static void gsd_smartcard_set_property (GObject *object,

+ guint prop_id,

+ const GValue *value,

+ GParamSpec *pspec);

+static void gsd_smartcard_get_property (GObject *object,

+ guint prop_id,

+ GValue *value,

+ GParamSpec *pspec);

+static void gsd_smartcard_set_name (GsdSmartcard *card, const char *name);

+static void gsd_smartcard_set_slot_id (GsdSmartcard *card,

+ int slot_id);

+static void gsd_smartcard_set_slot_series (GsdSmartcard *card,

+ int slot_series);

+static void gsd_smartcard_set_module (GsdSmartcard *card,

+ SECMODModule *module);

+

+static PK11SlotInfo *gsd_smartcard_find_slot_from_id (GsdSmartcard *card,

+ int slot_id);

+

+static PK11SlotInfo *gsd_smartcard_find_slot_from_card_name (GsdSmartcard *card,

+ const char *card_name);

+#ifndef GSD_SMARTCARD_DEFAULT_SLOT_ID

+#define GSD_SMARTCARD_DEFAULT_SLOT_ID ((gulong) -1)

+#endif

+

+#ifndef GSD_SMARTCARD_DEFAULT_SLOT_SERIES

+#define GSD_SMARTCARD_DEFAULT_SLOT_SERIES -1

+#endif

+

+enum {

+ PROP_0 = 0,

+ PROP_NAME,

+ PROP_SLOT_ID,

+ PROP_SLOT_SERIES,

+ PROP_MODULE,

+ NUMBER_OF_PROPERTIES

+};

+

+enum {

+ INSERTED,

+ REMOVED,

+ NUMBER_OF_SIGNALS

+};

+

+static guint gsd_smartcard_signals[NUMBER_OF_SIGNALS];

+

+G_DEFINE_TYPE (GsdSmartcard, gsd_smartcard, G_TYPE_OBJECT);

+

+static void

+gsd_smartcard_class_init (GsdSmartcardClass *card_class)

+{

+ GObjectClass *gobject_class;

+

+ gobject_class = G_OBJECT_CLASS (card_class);

+

+ gobject_class->finalize = gsd_smartcard_finalize;

+

+ gsd_smartcard_class_install_signals (card_class);

+ gsd_smartcard_class_install_properties (card_class);

+

+ g_type_class_add_private (card_class,

+ sizeof (GsdSmartcardPrivate));

+}

+

+static void

+gsd_smartcard_class_install_signals (GsdSmartcardClass *card_class)

+{

+ GObjectClass *object_class;

+

+ object_class = G_OBJECT_CLASS (card_class);

+

+ gsd_smartcard_signals[INSERTED] =

+ g_signal_new ("inserted",

+ G_OBJECT_CLASS_TYPE (object_class),

+ G_SIGNAL_RUN_LAST,

+ G_STRUCT_OFFSET (GsdSmartcardClass,

+ inserted),

+ NULL, NULL, g_cclosure_marshal_VOID__VOID,

+ G_TYPE_NONE, 0);

+

+ gsd_smartcard_signals[REMOVED] =

+ g_signal_new ("removed",

+ G_OBJECT_CLASS_TYPE (object_class),

+ G_SIGNAL_RUN_LAST,

+ G_STRUCT_OFFSET (GsdSmartcardClass,

+ removed),

+ NULL, NULL, g_cclosure_marshal_VOID__VOID,

+ G_TYPE_NONE, 0);

+}

+

+static void

+gsd_smartcard_class_install_properties (GsdSmartcardClass *card_class)

+{

+ GObjectClass *object_class;

+ GParamSpec *param_spec;

+

+ object_class = G_OBJECT_CLASS (card_class);

+ object_class->set_property = gsd_smartcard_set_property;

+ object_class->get_property = gsd_smartcard_get_property;

+

+ param_spec = g_param_spec_ulong ("slot-id", _("Slot ID"),

+ _("The slot the card is in"),

+ 1, G_MAXULONG,

+ GSD_SMARTCARD_DEFAULT_SLOT_ID,

+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);

+ g_object_class_install_property (object_class, PROP_SLOT_ID, param_spec);

+

+ param_spec = g_param_spec_int ("slot-series", _("Slot Series"),

+ _("per-slot card identifier"),

+ -1, G_MAXINT,

+ GSD_SMARTCARD_DEFAULT_SLOT_SERIES,

+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);

+ g_object_class_install_property (object_class, PROP_SLOT_SERIES, param_spec);

+

+ param_spec = g_param_spec_string ("name", _("name"),

+ _("name"), NULL,

+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);

+ g_object_class_install_property (object_class, PROP_NAME, param_spec);

+

+ param_spec = g_param_spec_pointer ("module", _("Module"),

+ _("smartcard driver"),

+ G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY);

+ g_object_class_install_property (object_class, PROP_MODULE, param_spec);

+}

+

+static void

+gsd_smartcard_set_property (GObject *object,

+ guint prop_id,

+ const GValue *value,

+ GParamSpec *pspec)

+{

+ GsdSmartcard *card = GSD_SMARTCARD (object);

+

+ switch (prop_id) {

+ case PROP_NAME:

+ gsd_smartcard_set_name (card, g_value_get_string (value));

+ break;

+

+ case PROP_SLOT_ID:

+ gsd_smartcard_set_slot_id (card,

+ g_value_get_ulong (value));

+ break;

+

+ case PROP_SLOT_SERIES:

+ gsd_smartcard_set_slot_series (card,

+ g_value_get_int (value));

+ break;

+

+ case PROP_MODULE:

+ gsd_smartcard_set_module (card,

+ (SECMODModule *)

+ g_value_get_pointer (value));

+ break;

+

+ default:

+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);

+ }

+}

+

+CK_SLOT_ID

+gsd_smartcard_get_slot_id (GsdSmartcard *card)

+{

+ return card->priv->slot_id;

+}

+

+GsdSmartcardState

+gsd_smartcard_get_state (GsdSmartcard *card)

+{

+ return card->priv->state;

+}

+

+char *

+gsd_smartcard_get_name (GsdSmartcard *card)

+{

+ return g_strdup (card->priv->name);

+}

+

+gboolean

+gsd_smartcard_is_login_card (GsdSmartcard *card)

+{

+ const char *login_card_name;

+ login_card_name = g_getenv ("PKCS11_LOGIN_TOKEN_NAME");

+

+ if ((login_card_name == NULL) || (card->priv->name == NULL)) {

+ return FALSE;

+ }

+

+ if (strcmp (card->priv->name, login_card_name) == 0) {

+ return TRUE;

+ }

+

+ return FALSE;

+}

+

+static void

+gsd_smartcard_get_property (GObject *object,

+ guint prop_id,

+ GValue *value,

+ GParamSpec *pspec)

+{

+ GsdSmartcard *card = GSD_SMARTCARD (object);

+

+ switch (prop_id) {

+ case PROP_NAME:

+ g_value_take_string (value,

+ gsd_smartcard_get_name (card));

+ break;

+

+ case PROP_SLOT_ID:

+ g_value_set_ulong (value,

+ (gulong) gsd_smartcard_get_slot_id (card));

+ break;

+

+ case PROP_SLOT_SERIES:

+ g_value_set_int (value,

+ gsd_smartcard_get_slot_series (card));

+ break;

+

+ default:

+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);

+ }

+}

+

+static void

+gsd_smartcard_set_name (GsdSmartcard *card,

+ const char *name)

+{

+ if (name == NULL) {

+ return;

+ }

+

+ if ((card->priv->name == NULL) ||

+ (strcmp (card->priv->name, name) != 0)) {

+ g_free (card->priv->name);

+ card->priv->name = g_strdup (name);

+

+ if (card->priv->slot == NULL) {

+ card->priv->slot = gsd_smartcard_find_slot_from_card_name (card,

+ card->priv->name);

+

+ if (card->priv->slot != NULL) {

+ int slot_id, slot_series;

+

+ slot_id = PK11_GetSlotID (card->priv->slot);

+ if (slot_id != card->priv->slot_id) {

+ gsd_smartcard_set_slot_id (card, slot_id);

+ }

+

+ slot_series = PK11_GetSlotSeries (card->priv->slot);

+ if (slot_series != card->priv->slot_series) {

+ gsd_smartcard_set_slot_series (card, slot_series);

+ }

+

+ _gsd_smartcard_set_state (card, GSD_SMARTCARD_STATE_INSERTED);

+ } else {

+ _gsd_smartcard_set_state (card, GSD_SMARTCARD_STATE_REMOVED);

+ }

+ }

+

+ g_object_notify (G_OBJECT (card), "name");

+ }

+}

+

+static void

+gsd_smartcard_set_slot_id (GsdSmartcard *card,

+ int slot_id)

+{

+ if (card->priv->slot_id != slot_id) {

+ card->priv->slot_id = slot_id;

+

+ if (card->priv->slot == NULL) {

+ card->priv->slot = gsd_smartcard_find_slot_from_id (card,

+ card->priv->slot_id);

+

+ if (card->priv->slot != NULL) {

+ const char *card_name;

+

+ card_name = PK11_GetTokenName (card->priv->slot);

+ if ((card->priv->name == NULL) ||

+ ((card_name != NULL) &&

+ (strcmp (card_name, card->priv->name) != 0))) {

+ gsd_smartcard_set_name (card, card_name);

+ }

+

+ _gsd_smartcard_set_state (card, GSD_SMARTCARD_STATE_INSERTED);

+ } else {

+ _gsd_smartcard_set_state (card, GSD_SMARTCARD_STATE_REMOVED);

+ }

+ }

+

+ g_object_notify (G_OBJECT (card), "slot-id");

+ }

+}

+

+static void

+gsd_smartcard_set_slot_series (GsdSmartcard *card,

+ int slot_series)

+{

+ if (card->priv->slot_series != slot_series) {

+ card->priv->slot_series = slot_series;

+ g_object_notify (G_OBJECT (card), "slot-series");

+ }

+}

+

+static void

+gsd_smartcard_set_module (GsdSmartcard *card,

+ SECMODModule *module)

+{

+ gboolean should_notify;

+

+ if (card->priv->module != module) {

+ should_notify = TRUE;

+ } else {

+ should_notify = FALSE;

+ }

+

+ if (card->priv->module != NULL) {

+ SECMOD_DestroyModule (card->priv->module);

+ card->priv->module = NULL;

+ }

+

+ if (module != NULL) {

+ card->priv->module = SECMOD_ReferenceModule (module);

+ }

+

+ if (should_notify) {

+ g_object_notify (G_OBJECT (card), "module");

+ }

+}

+

+int

+gsd_smartcard_get_slot_series (GsdSmartcard *card)

+{

+ return card->priv->slot_series;

+}

+

+static void

+gsd_smartcard_init (GsdSmartcard *card)

+{

+

+ g_debug ("initializing smartcard ");

+

+ card->priv = G_TYPE_INSTANCE_GET_PRIVATE (card,

+ GSD_TYPE_SMARTCARD,

+ GsdSmartcardPrivate);

+

+ if (card->priv->slot != NULL) {

+ card->priv->name = g_strdup (PK11_GetTokenName (card->priv->slot));

+ }

+}

+

+static void gsd_smartcard_finalize (GObject *object)

+{

+ GsdSmartcard *card;

+ GObjectClass *gobject_class;

+

+ card = GSD_SMARTCARD (object);

+

+ g_free (card->priv->name);

+

+ gsd_smartcard_set_module (card, NULL);

+

+ gobject_class = G_OBJECT_CLASS (gsd_smartcard_parent_class);

+

+ gobject_class->finalize (object);

+}

+

+GQuark gsd_smartcard_error_quark (void)

+{

+ static GQuark error_quark = 0;

+

+ if (error_quark == 0) {

+ error_quark = g_quark_from_static_string ("gsd-smartcard-error-quark");

+ }

+

+ return error_quark;

+}

+

+GsdSmartcard *

+_gsd_smartcard_new (SECMODModule *module,

+ CK_SLOT_ID slot_id,

+ int slot_series)

+{

+ GsdSmartcard *card;

+

+ g_return_val_if_fail (module != NULL, NULL);

+ g_return_val_if_fail (slot_id >= 1, NULL);

+ g_return_val_if_fail (slot_series > 0, NULL);

+ g_return_val_if_fail (sizeof (gulong) == sizeof (slot_id), NULL);

+

+ card = GSD_SMARTCARD (g_object_new (GSD_TYPE_SMARTCARD,

+ "module", module,

+ "slot-id", (gulong) slot_id,

+ "slot-series", slot_series,

+ NULL));

+ return card;

+}

+

+GsdSmartcard *

+_gsd_smartcard_new_from_name (SECMODModule *module,

+ const char *name)

+{

+ GsdSmartcard *card;

+

+ g_return_val_if_fail (module != NULL, NULL);

+ g_return_val_if_fail (name != NULL, NULL);

+

+ card = GSD_SMARTCARD (g_object_new (GSD_TYPE_SMARTCARD,

+ "module", module,

+ "name", name,

+ NULL));

+ return card;

+}

+

+void

+_gsd_smartcard_set_state (GsdSmartcard *card,

+ GsdSmartcardState state)

+{

+ if (card->priv->state != state) {

+ card->priv->state = state;

+

+ if (state == GSD_SMARTCARD_STATE_INSERTED) {

+ g_signal_emit (card, gsd_smartcard_signals[INSERTED], 0);

+ } else if (state == GSD_SMARTCARD_STATE_REMOVED) {

+ g_signal_emit (card, gsd_smartcard_signals[REMOVED], 0);

+ } else {

+ g_assert_not_reached ();

+ }

+ }

+}

+

+/* So we could conceivably make the closure data a pointer to the card

+ * or something similiar and then emit signals when we want passwords,

+ * but it's probably easier to just get the password up front and use

+ * it. So we just take the passed in g_malloc'd (well probably, who knows)

+ * and strdup it using NSPR's memory allocation routines.

+ */

+static char *

+gsd_smartcard_password_handler (PK11SlotInfo *slot,

+ PRBool is_retrying,

+ const char *password)

+{

+ if (is_retrying) {

+ return NULL;

+ }

+

+ return password != NULL? PL_strdup (password): NULL;

+}

+

+gboolean

+gsd_smartcard_unlock (GsdSmartcard *card,

+ const char *password)

+{

+ SECStatus status;

+

+ PK11_SetPasswordFunc ((PK11PasswordFunc) gsd_smartcard_password_handler);

+

+ /* we pass PR_TRUE to load certificates

+ */

+ status = PK11_Authenticate (card->priv->slot, PR_TRUE, (gpointer) password);

+

+ if (status != SECSuccess) {

+ g_debug ("could not unlock card - %d", status);

+ return FALSE;

+ }

+ return TRUE;

+}

+

+static PK11SlotInfo *

+gsd_smartcard_find_slot_from_card_name (GsdSmartcard *card,

+ const char *card_name)

+{

+ int i;

+

+ for (i = 0; i < card->priv->module->slotCount; i++) {

+ const char *slot_card_name;

+

+ slot_card_name = PK11_GetTokenName (card->priv->module->slots[i]);

+

+ if ((slot_card_name != NULL) &&

+ (strcmp (slot_card_name, card_name) == 0)) {

+ return card->priv->module->slots[i];

+ }

+ }

+

+ return NULL;

+}

+

+static PK11SlotInfo *

+gsd_smartcard_find_slot_from_id (GsdSmartcard *card,

+ int slot_id)

+{

+ int i;

+

+ for (i = 0; i < card->priv->module->slotCount; i++) {

+ if (PK11_GetSlotID (card->priv->module->slots[i]) == slot_id) {

+ return card->priv->module->slots[i];

+ }

+ }

+

+ return NULL;

+}

+/* securitycard.h - api for reading and writing data to a security card

+ *

+ * Copyright (C) 2006 Ray Strode

+ *

+ * 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_SMARTCARD_H

+#define GSD_SMARTCARD_H

+

+#include <glib.h>

+#include <glib-object.h>

+

+#include <secmod.h>

+

+#ifdef __cplusplus

+extern "C" {

+#endif

+#define GSD_TYPE_SMARTCARD (gsd_smartcard_get_type ())

+#define GSD_SMARTCARD(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GSD_TYPE_SMARTCARD, GsdSmartcard))

+#define GSD_SMARTCARD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GSD_TYPE_SMARTCARD, GsdSmartcardClass))

+#define GSD_IS_SMARTCARD(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GSD_TYPE_SMARTCARD))

+#define GSD_IS_SMARTCARD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GSD_TYPE_SMARTCARD))

+#define GSD_SMARTCARD_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GSD_TYPE_SMARTCARD, GsdSmartcardClass))

+#define GSD_SMARTCARD_ERROR (gsd_smartcard_error_quark ())

+typedef struct _GsdSmartcardClass GsdSmartcardClass;

+typedef struct _GsdSmartcard GsdSmartcard;

+typedef struct _GsdSmartcardPrivate GsdSmartcardPrivate;

+typedef enum _GsdSmartcardError GsdSmartcardError;

+typedef enum _GsdSmartcardState GsdSmartcardState;

+

+typedef struct _GsdSmartcardRequest GsdSmartcardRequest;

+

+struct _GsdSmartcard {

+ GObject parent;

+

+ /*< private > */

+ GsdSmartcardPrivate *priv;

+};

+

+struct _GsdSmartcardClass {

+ GObjectClass parent_class;

+

+ void (* inserted) (GsdSmartcard *card);

+ void (* removed) (GsdSmartcard *card);

+};

+

+enum _GsdSmartcardError {

+ GSD_SMARTCARD_ERROR_GENERIC = 0,

+};

+

+enum _GsdSmartcardState {

+ GSD_SMARTCARD_STATE_INSERTED = 0,

+ GSD_SMARTCARD_STATE_REMOVED,

+};

+

+GType gsd_smartcard_get_type (void) G_GNUC_CONST;

+GQuark gsd_smartcard_error_quark (void) G_GNUC_CONST;

+

+CK_SLOT_ID gsd_smartcard_get_slot_id (GsdSmartcard *card);

+gint gsd_smartcard_get_slot_series (GsdSmartcard *card);

+GsdSmartcardState gsd_smartcard_get_state (GsdSmartcard *card);

+

+char *gsd_smartcard_get_name (GsdSmartcard *card);

+gboolean gsd_smartcard_is_login_card (GsdSmartcard *card);

+

+gboolean gsd_smartcard_unlock (GsdSmartcard *card,

+ const char *password);

+

+/* don't under any circumstances call these functions */

+#ifdef GSD_SMARTCARD_ENABLE_INTERNAL_API

+

+GsdSmartcard *_gsd_smartcard_new (SECMODModule *module,

+ CK_SLOT_ID slot_id,

+ gint slot_series);

+GsdSmartcard *_gsd_smartcard_new_from_name (SECMODModule *module,

+ const char *name);

+

+void _gsd_smartcard_set_state (GsdSmartcard *card,

+ GsdSmartcardState state);

+#endif

+

+#ifdef __cplusplus

+}

+#endif

+#endif /* GSD_SMARTCARD_H */

+[MATE Settings Plugin]

+Module=smartcard

+IAge=0

+_Name=Smartcard

+_Description=Smartcard plugin

+Authors=Ray Strode

+Copyright=Copyright © 2010 Red Hat, Inc.

+Website=