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Diffstat (limited to 'plugins/smartcard/gsd-smartcard-manager.c')
-rw-r--r--plugins/smartcard/gsd-smartcard-manager.c1372
1 files changed, 0 insertions, 1372 deletions
diff --git a/plugins/smartcard/gsd-smartcard-manager.c b/plugins/smartcard/gsd-smartcard-manager.c
deleted file mode 100644
index ed823f4..0000000
--- a/plugins/smartcard/gsd-smartcard-manager.c
+++ /dev/null
@@ -1,1372 +0,0 @@
-/* msd-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 "msd-smartcard-manager.h"
-
-#define SMARTCARD_ENABLE_INTERNAL_API
-#include "msd-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 MSD_SMARTCARD_MANAGER_NSS_DB
-#define MSD_SMARTCARD_MANAGER_NSS_DB SYSCONFDIR"/pki/nssdb"
-#endif
-
-typedef enum _MsdSmartcardManagerState MsdSmartcardManagerState;
-typedef struct _MsdSmartcardManagerWorker MsdSmartcardManagerWorker;
-
-enum _MsdSmartcardManagerState {
- MSD_SMARTCARD_MANAGER_STATE_STOPPED = 0,
- MSD_SMARTCARD_MANAGER_STATE_STARTING,
- MSD_SMARTCARD_MANAGER_STATE_STARTED,
- MSD_SMARTCARD_MANAGER_STATE_STOPPING,
-};
-
-struct _MsdSmartcardManagerPrivate {
- MsdSmartcardManagerState 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 _MsdSmartcardManagerWorker {
- SECMODModule *module;
- GHashTable *smartcards;
- int write_fd;
-
- guint32 nss_is_loaded : 1;
-};
-
-static void msd_smartcard_manager_finalize (GObject *object);
-static void msd_smartcard_manager_class_install_signals (MsdSmartcardManagerClass *service_class);
-static void msd_smartcard_manager_class_install_properties (MsdSmartcardManagerClass *service_class);
-static void msd_smartcard_manager_set_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec);
-static void msd_smartcard_manager_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec);
-static void msd_smartcard_manager_set_module_path (MsdSmartcardManager *manager,
- const char *module_path);
-static void msd_smartcard_manager_card_removed_handler (MsdSmartcardManager *manager,
- MsdSmartcard *card);
-static void msd_smartcard_manager_card_inserted_handler (MsdSmartcardManager *manager_class,
- MsdSmartcard *card);
-static gboolean msd_smartcard_manager_stop_now (MsdSmartcardManager *manager);
-static void msd_smartcard_manager_queue_stop (MsdSmartcardManager *manager);
-
-static gboolean msd_smartcard_manager_create_worker (MsdSmartcardManager *manager,
- int *worker_fd, GThread **worker_thread);
-
-static MsdSmartcardManagerWorker * msd_smartcard_manager_worker_new (int write_fd);
-static void msd_smartcard_manager_worker_free (MsdSmartcardManagerWorker *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 MsdSmartcard *read_smartcard (int fd, SECMODModule *module);
-static gboolean write_smartcard (int fd, MsdSmartcard *card);
-
-enum {
- PROP_0 = 0,
- PROP_MODULE_PATH,
- NUMBER_OF_PROPERTIES
-};
-
-enum {
- SMARTCARD_INSERTED = 0,
- SMARTCARD_REMOVED,
- ERROR,
- NUMBER_OF_SIGNALS
-};
-
-static guint msd_smartcard_manager_signals[NUMBER_OF_SIGNALS];
-
-G_DEFINE_TYPE (MsdSmartcardManager,
- msd_smartcard_manager,
- G_TYPE_OBJECT);
-
-static void
-msd_smartcard_manager_class_init (MsdSmartcardManagerClass *manager_class)
-{
- GObjectClass *gobject_class;
-
- gobject_class = G_OBJECT_CLASS (manager_class);
-
- gobject_class->finalize = msd_smartcard_manager_finalize;
-
- msd_smartcard_manager_class_install_signals (manager_class);
- msd_smartcard_manager_class_install_properties (manager_class);
-
- g_type_class_add_private (manager_class,
- sizeof (MsdSmartcardManagerPrivate));
-}
-
-static void
-msd_smartcard_manager_class_install_properties (MsdSmartcardManagerClass *card_class)
-{
- GObjectClass *object_class;
- GParamSpec *param_spec;
-
- object_class = G_OBJECT_CLASS (card_class);
- object_class->set_property = msd_smartcard_manager_set_property;
- object_class->get_property = msd_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
-msd_smartcard_manager_set_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec)
-{
- MsdSmartcardManager *manager = MSD_SMARTCARD_MANAGER (object);
-
- switch (prop_id) {
- case PROP_MODULE_PATH:
- msd_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
-msd_smartcard_manager_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec)
-{
- MsdSmartcardManager *manager = MSD_SMARTCARD_MANAGER (object);
- char *module_path;
-
- switch (prop_id) {
- case PROP_MODULE_PATH:
- module_path = msd_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 *
-msd_smartcard_manager_get_module_path (MsdSmartcardManager *manager)
-{
- return manager->priv->module_path;
-}
-
-static void
-msd_smartcard_manager_set_module_path (MsdSmartcardManager *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
-msd_smartcard_manager_card_removed_handler (MsdSmartcardManager *manager,
- MsdSmartcard *card)
-{
- g_debug ("informing smartcard of its removal");
- _msd_smartcard_set_state (card, MSD_SMARTCARD_STATE_REMOVED);
- g_debug ("done");
-}
-
-static void
-msd_smartcard_manager_card_inserted_handler (MsdSmartcardManager *manager,
- MsdSmartcard *card)
-{
- g_debug ("informing smartcard of its insertion");
-
- _msd_smartcard_set_state (card, MSD_SMARTCARD_STATE_INSERTED);
- g_debug ("done");
-
-}
-
-static void
-msd_smartcard_manager_class_install_signals (MsdSmartcardManagerClass *manager_class)
-{
- GObjectClass *object_class;
-
- object_class = G_OBJECT_CLASS (manager_class);
-
- msd_smartcard_manager_signals[SMARTCARD_INSERTED] =
- g_signal_new ("smartcard-inserted",
- G_OBJECT_CLASS_TYPE (object_class),
- G_SIGNAL_RUN_FIRST,
- G_STRUCT_OFFSET (MsdSmartcardManagerClass,
- smartcard_inserted),
- NULL, NULL, g_cclosure_marshal_VOID__POINTER,
- G_TYPE_NONE, 1, G_TYPE_POINTER);
- manager_class->smartcard_inserted = msd_smartcard_manager_card_inserted_handler;
-
- msd_smartcard_manager_signals[SMARTCARD_REMOVED] =
- g_signal_new ("smartcard-removed",
- G_OBJECT_CLASS_TYPE (object_class),
- G_SIGNAL_RUN_FIRST,
- G_STRUCT_OFFSET (MsdSmartcardManagerClass,
- smartcard_removed),
- NULL, NULL, g_cclosure_marshal_VOID__POINTER,
- G_TYPE_NONE, 1, G_TYPE_POINTER);
- manager_class->smartcard_removed = msd_smartcard_manager_card_removed_handler;
-
- msd_smartcard_manager_signals[ERROR] =
- g_signal_new ("error",
- G_OBJECT_CLASS_TYPE (object_class),
- G_SIGNAL_RUN_LAST,
- G_STRUCT_OFFSET (MsdSmartcardManagerClass, 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
-msd_smartcard_manager_init (MsdSmartcardManager *manager)
-{
- g_debug ("initializing smartcard manager");
-
- manager->priv = G_TYPE_INSTANCE_GET_PRIVATE (manager,
- MSD_TYPE_SMARTCARD_MANAGER,
- MsdSmartcardManagerPrivate);
- 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
-msd_smartcard_manager_finalize (GObject *object)
-{
- MsdSmartcardManager *manager;
- GObjectClass *gobject_class;
-
- manager = MSD_SMARTCARD_MANAGER (object);
- gobject_class =
- G_OBJECT_CLASS (msd_smartcard_manager_parent_class);
-
- msd_smartcard_manager_stop_now (manager);
-
- g_hash_table_destroy (manager->priv->smartcards);
- manager->priv->smartcards = NULL;
-
- gobject_class->finalize (object);
-}
-
-GQuark
-msd_smartcard_manager_error_quark (void)
-{
- static GQuark error_quark = 0;
-
- if (error_quark == 0) {
- error_quark = g_quark_from_static_string ("msd-smartcard-manager-error-quark");
- }
-
- return error_quark;
-}
-
-MsdSmartcardManager *
-msd_smartcard_manager_new (const char *module_path)
-{
- MsdSmartcardManager *instance;
-
- instance = MSD_SMARTCARD_MANAGER (g_object_new (MSD_TYPE_SMARTCARD_MANAGER,
- "module-path", module_path,
- NULL));
-
- return instance;
-}
-
-static void
-msd_smartcard_manager_emit_error (MsdSmartcardManager *manager,
- GError *error)
-{
- manager->priv->is_unstoppable = TRUE;
- g_signal_emit (manager, msd_smartcard_manager_signals[ERROR], 0,
- error);
- manager->priv->is_unstoppable = FALSE;
-}
-
-static void
-msd_smartcard_manager_emit_smartcard_inserted (MsdSmartcardManager *manager,
- MsdSmartcard *card)
-{
- manager->priv->is_unstoppable = TRUE;
- g_signal_emit (manager, msd_smartcard_manager_signals[SMARTCARD_INSERTED], 0,
- card);
- manager->priv->is_unstoppable = FALSE;
-}
-
-static void
-msd_smartcard_manager_emit_smartcard_removed (MsdSmartcardManager *manager,
- MsdSmartcard *card)
-{
- MsdSmartcardManagerState old_state;
-
- old_state = manager->priv->state;
- manager->priv->is_unstoppable = TRUE;
- g_signal_emit (manager, msd_smartcard_manager_signals[SMARTCARD_REMOVED], 0,
- card);
- manager->priv->is_unstoppable = FALSE;
-}
-
-static gboolean
-msd_smartcard_manager_check_for_and_process_events (GIOChannel *io_channel,
- GIOCondition condition,
- MsdSmartcardManager *manager)
-{
- MsdSmartcard *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 = msd_smartcard_get_name (card);
-
- switch (event_type) {
- case 'I':
- g_hash_table_replace (manager->priv->smartcards,
- card_name, card);
- card_name = NULL;
-
- msd_smartcard_manager_emit_smartcard_inserted (manager, card);
- card = NULL;
- break;
-
- case 'R':
- msd_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 (MSD_SMARTCARD_MANAGER_ERROR,
- MSD_SMARTCARD_MANAGER_ERROR_WATCHING_FOR_EVENTS,
- "%s", (condition & G_IO_IN) ? g_strerror (errno) : _("received error or hang up from event source"));
-
- msd_smartcard_manager_emit_error (manager, error);
- g_error_free (error);
- msd_smartcard_manager_stop_now (manager);
- return FALSE;
- }
-
- return TRUE;
-}
-
-static void
-msd_smartcard_manager_event_processing_stopped_handler (MsdSmartcardManager *manager)
-{
- manager->priv->smartcard_event_source = NULL;
- msd_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
-msd_smartcard_manager_stop_watching_for_events (MsdSmartcardManager *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'",
- MSD_SMARTCARD_MANAGER_NSS_DB);
-
- status = NSS_Initialize (MSD_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,
- MSD_SMARTCARD_MANAGER_ERROR,
- MSD_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,
- MSD_SMARTCARD_MANAGER_ERROR,
- MSD_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,
- MSD_SMARTCARD_MANAGER_ERROR,
- MSD_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,
- MSD_SMARTCARD_MANAGER_ERROR,
- MSD_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,
- MSD_SMARTCARD_MANAGER_ERROR,
- MSD_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
-msd_smartcard_manager_get_all_cards (MsdSmartcardManager *manager)
-{
- int i;
-
- for (i = 0; i < manager->priv->module->slotCount; i++) {
- MsdSmartcard *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 = _msd_smartcard_new (manager->priv->module,
- slot_id, slot_series);
-
- card_name = msd_smartcard_get_name (card);
-
- g_hash_table_replace (manager->priv->smartcards,
- card_name, card);
- }
-}
-
-gboolean
-msd_smartcard_manager_start (MsdSmartcardManager *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 == MSD_SMARTCARD_MANAGER_STATE_STARTED) {
- g_debug ("smartcard manager already started");
- return TRUE;
- }
-
- manager->priv->state = MSD_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 (!msd_smartcard_manager_create_worker (manager, &worker_fd, &manager->priv->worker_thread)) {
-
- g_set_error (error,
- MSD_SMARTCARD_MANAGER_ERROR,
- MSD_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)
- msd_smartcard_manager_check_for_and_process_events,
- manager,
- (GDestroyNotify)
- msd_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
- */
- msd_smartcard_manager_get_all_cards (manager);
-
- manager->priv->state = MSD_SMARTCARD_MANAGER_STATE_STARTED;
-
-out:
- /* don't leave it in a half started state
- */
- if (manager->priv->state != MSD_SMARTCARD_MANAGER_STATE_STARTED) {
- g_debug ("smartcard manager could not be completely started");
- msd_smartcard_manager_stop (manager);
- } else {
- g_debug ("smartcard manager started");
- }
-
- return manager->priv->state == MSD_SMARTCARD_MANAGER_STATE_STARTED;
-}
-
-static gboolean
-msd_smartcard_manager_stop_now (MsdSmartcardManager *manager)
-{
- if (manager->priv->state == MSD_SMARTCARD_MANAGER_STATE_STOPPED) {
- return FALSE;
- }
-
- manager->priv->state = MSD_SMARTCARD_MANAGER_STATE_STOPPED;
- msd_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
-msd_smartcard_manager_queue_stop (MsdSmartcardManager *manager)
-{
-
- manager->priv->state = MSD_SMARTCARD_MANAGER_STATE_STOPPING;
-
- g_idle_add ((GSourceFunc) msd_smartcard_manager_stop_now, manager);
-}
-
-void
-msd_smartcard_manager_stop (MsdSmartcardManager *manager)
-{
- if (manager->priv->state == MSD_SMARTCARD_MANAGER_STATE_STOPPED) {
- return;
- }
-
- if (manager->priv->is_unstoppable) {
- msd_smartcard_manager_queue_stop (manager);
- return;
- }
-
- msd_smartcard_manager_stop_now (manager);
-}
-
-static void
-msd_smartcard_manager_check_for_login_card (CK_SLOT_ID slot_id,
- MsdSmartcard *card,
- gboolean *is_inserted)
-{
- g_assert (is_inserted != NULL);
-
- if (msd_smartcard_is_login_card (card)) {
- *is_inserted = TRUE;
- }
-
-}
-
-gboolean
-msd_smartcard_manager_login_card_is_inserted (MsdSmartcardManager *manager)
-
-{
- gboolean is_inserted;
-
- is_inserted = FALSE;
- g_hash_table_foreach (manager->priv->smartcards,
- (GHFunc)
- msd_smartcard_manager_check_for_login_card,
- &is_inserted);
- return is_inserted;
-}
-
-static MsdSmartcardManagerWorker *
-msd_smartcard_manager_worker_new (int write_fd)
-{
- MsdSmartcardManagerWorker *worker;
-
- worker = g_slice_new0 (MsdSmartcardManagerWorker);
- 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
-msd_smartcard_manager_worker_free (MsdSmartcardManagerWorker *worker)
-{
- if (worker->smartcards != NULL) {
- g_hash_table_destroy (worker->smartcards);
- worker->smartcards = NULL;
- }
-
- g_slice_free (MsdSmartcardManagerWorker, 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 MsdSmartcard *
-read_smartcard (int fd,
- SECMODModule *module)
-{
- MsdSmartcard *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 = _msd_smartcard_new_from_name (module, card_name);
- g_slice_free1 (card_name_size, card_name);
-
- return card;
-}
-
-static gboolean
-write_smartcard (int fd,
- MsdSmartcard *card)
-{
- gsize card_name_size;
- char *card_name;
-
- card_name = msd_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
-msd_smartcard_manager_worker_emit_smartcard_removed (MsdSmartcardManagerWorker *worker,
- MsdSmartcard *card,
- GError **error)
-{
- g_debug ("card '%s' removed!", msd_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, MSD_SMARTCARD_MANAGER_ERROR,
- MSD_SMARTCARD_MANAGER_ERROR_REPORTING_EVENTS,
- "%s", g_strerror (errno));
- return FALSE;
-}
-
-static gboolean
-msd_smartcard_manager_worker_emit_smartcard_inserted (MsdSmartcardManagerWorker *worker,
- MsdSmartcard *card,
- GError **error)
-{
- GError *write_error;
-
- write_error = NULL;
- g_debug ("card '%s' inserted!", msd_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, MSD_SMARTCARD_MANAGER_ERROR,
- MSD_SMARTCARD_MANAGER_ERROR_REPORTING_EVENTS,
- "%s", g_strerror (errno));
- return FALSE;
-}
-
-static gboolean
-msd_smartcard_manager_worker_watch_for_and_process_event (MsdSmartcardManagerWorker *worker,
- GError **error)
-{
- PK11SlotInfo *slot;
- CK_SLOT_ID slot_id, *key;
- int slot_series, card_slot_series;
- MsdSmartcard *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, MSD_SMARTCARD_MANAGER_ERROR,
- MSD_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 = msd_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 (!msd_smartcard_manager_worker_emit_smartcard_removed (worker, card, &processing_error)) {
- g_propagate_error (error, processing_error);
- goto out;
- }
- }
-
- card = _msd_smartcard_new (worker->module,
- slot_id, slot_series);
-
- g_hash_table_replace (worker->smartcards,
- key, card);
- key = NULL;
-
- if (!msd_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 (!msd_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 = _msd_smartcard_new (worker->module,
- slot_id, slot_series);
- g_hash_table_replace (worker->smartcards,
- key, card);
- key = NULL;
- if (!msd_smartcard_manager_worker_emit_smartcard_inserted (worker, card, &processing_error)) {
- g_propagate_error (error, processing_error);
- goto out;
- }
- }
-
- if (!msd_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
-msd_smartcard_manager_worker_run (MsdSmartcardManagerWorker *worker)
-{
- GError *error;
-
-
- error = NULL;
-
- while (msd_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);
- }
-
- msd_smartcard_manager_worker_free (worker);
-}
-
-static gboolean
-msd_smartcard_manager_create_worker (MsdSmartcardManager *manager,
- int *worker_fd,
- GThread **worker_thread)
-{
- MsdSmartcardManagerWorker *worker;
- int write_fd, read_fd;
-
- write_fd = -1;
- read_fd = -1;
- if (!open_pipe (&write_fd, &read_fd)) {
- return FALSE;
- }
-
- worker = msd_smartcard_manager_worker_new (write_fd);
- worker->module = manager->priv->module;
-
- *worker_thread = g_thread_create ((GThreadFunc)
- msd_smartcard_manager_worker_run,
- worker, FALSE, NULL);
-
- if (*worker_thread == NULL) {
- msd_smartcard_manager_worker_free (worker);
- return FALSE;
- }
-
- if (worker_fd) {
- *worker_fd = read_fd;
- }
-
- return TRUE;
-}
-
-#ifdef MSD_SMARTCARD_MANAGER_ENABLE_TEST
-#include <glib.h>
-
-static GMainLoop *event_loop;
-static gboolean should_exit_on_next_remove = FALSE;
-
-static gboolean
-on_timeout (MsdSmartcardManager *manager)
-{
- GError *error;
- g_print ("Re-enabling manager.\n");
-
- if (!msd_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 (MsdSmartcardManager *manager,
- MsdSmartcard *card)
-{
- g_print ("smartcard inserted!\n");
- g_print ("Please remove it.\n");
-}
-
-static void
-on_device_removed (MsdSmartcardManager *manager,
- MsdSmartcard *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");
- msd_smartcard_manager_stop (manager);
- g_timeout_add (2000, (GSourceFunc) on_timeout, manager);
- }
-}
-
-int
-main (int argc,
- char *argv[])
-{
- MsdSmartcardManager *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 = msd_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 (!msd_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