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-rw-r--r--plugins/smartcard/msd-smartcard.c555
1 files changed, 555 insertions, 0 deletions
diff --git a/plugins/smartcard/msd-smartcard.c b/plugins/smartcard/msd-smartcard.c
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+/* msd-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 MSD_SMARTCARD_ENABLE_INTERNAL_API
+#include "msd-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 _MsdSmartcardPrivate {
+ SECMODModule *module;
+ MsdSmartcardState state;
+
+ CK_SLOT_ID slot_id;
+ int slot_series;
+
+ PK11SlotInfo *slot;
+ char *name;
+
+ CERTCertificate *signing_certificate;
+ CERTCertificate *encryption_certificate;
+};
+
+static void msd_smartcard_finalize (GObject *object);
+static void msd_smartcard_class_install_signals (MsdSmartcardClass *card_class);
+static void msd_smartcard_class_install_properties (MsdSmartcardClass *card_class);
+static void msd_smartcard_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void msd_smartcard_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec);
+static void msd_smartcard_set_name (MsdSmartcard *card, const char *name);
+static void msd_smartcard_set_slot_id (MsdSmartcard *card,
+ int slot_id);
+static void msd_smartcard_set_slot_series (MsdSmartcard *card,
+ int slot_series);
+static void msd_smartcard_set_module (MsdSmartcard *card,
+ SECMODModule *module);
+
+static PK11SlotInfo *msd_smartcard_find_slot_from_id (MsdSmartcard *card,
+ int slot_id);
+
+static PK11SlotInfo *msd_smartcard_find_slot_from_card_name (MsdSmartcard *card,
+ const char *card_name);
+#ifndef MSD_SMARTCARD_DEFAULT_SLOT_ID
+#define MSD_SMARTCARD_DEFAULT_SLOT_ID ((gulong) -1)
+#endif
+
+#ifndef MSD_SMARTCARD_DEFAULT_SLOT_SERIES
+#define MSD_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 msd_smartcard_signals[NUMBER_OF_SIGNALS];
+
+G_DEFINE_TYPE (MsdSmartcard, msd_smartcard, G_TYPE_OBJECT);
+
+static void
+msd_smartcard_class_init (MsdSmartcardClass *card_class)
+{
+ GObjectClass *gobject_class;
+
+ gobject_class = G_OBJECT_CLASS (card_class);
+
+ gobject_class->finalize = msd_smartcard_finalize;
+
+ msd_smartcard_class_install_signals (card_class);
+ msd_smartcard_class_install_properties (card_class);
+
+ g_type_class_add_private (card_class,
+ sizeof (MsdSmartcardPrivate));
+}
+
+static void
+msd_smartcard_class_install_signals (MsdSmartcardClass *card_class)
+{
+ GObjectClass *object_class;
+
+ object_class = G_OBJECT_CLASS (card_class);
+
+ msd_smartcard_signals[INSERTED] =
+ g_signal_new ("inserted",
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (MsdSmartcardClass,
+ inserted),
+ NULL, NULL, g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+
+ msd_smartcard_signals[REMOVED] =
+ g_signal_new ("removed",
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (MsdSmartcardClass,
+ removed),
+ NULL, NULL, g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+}
+
+static void
+msd_smartcard_class_install_properties (MsdSmartcardClass *card_class)
+{
+ GObjectClass *object_class;
+ GParamSpec *param_spec;
+
+ object_class = G_OBJECT_CLASS (card_class);
+ object_class->set_property = msd_smartcard_set_property;
+ object_class->get_property = msd_smartcard_get_property;
+
+ param_spec = g_param_spec_ulong ("slot-id", _("Slot ID"),
+ _("The slot the card is in"),
+ 1, G_MAXULONG,
+ MSD_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,
+ MSD_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
+msd_smartcard_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ MsdSmartcard *card = MSD_SMARTCARD (object);
+
+ switch (prop_id) {
+ case PROP_NAME:
+ msd_smartcard_set_name (card, g_value_get_string (value));
+ break;
+
+ case PROP_SLOT_ID:
+ msd_smartcard_set_slot_id (card,
+ g_value_get_ulong (value));
+ break;
+
+ case PROP_SLOT_SERIES:
+ msd_smartcard_set_slot_series (card,
+ g_value_get_int (value));
+ break;
+
+ case PROP_MODULE:
+ msd_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
+msd_smartcard_get_slot_id (MsdSmartcard *card)
+{
+ return card->priv->slot_id;
+}
+
+MsdSmartcardState
+msd_smartcard_get_state (MsdSmartcard *card)
+{
+ return card->priv->state;
+}
+
+char *
+msd_smartcard_get_name (MsdSmartcard *card)
+{
+ return g_strdup (card->priv->name);
+}
+
+gboolean
+msd_smartcard_is_login_card (MsdSmartcard *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
+msd_smartcard_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ MsdSmartcard *card = MSD_SMARTCARD (object);
+
+ switch (prop_id) {
+ case PROP_NAME:
+ g_value_take_string (value,
+ msd_smartcard_get_name (card));
+ break;
+
+ case PROP_SLOT_ID:
+ g_value_set_ulong (value,
+ (gulong) msd_smartcard_get_slot_id (card));
+ break;
+
+ case PROP_SLOT_SERIES:
+ g_value_set_int (value,
+ msd_smartcard_get_slot_series (card));
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ }
+}
+
+static void
+msd_smartcard_set_name (MsdSmartcard *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 = msd_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) {
+ msd_smartcard_set_slot_id (card, slot_id);
+ }
+
+ slot_series = PK11_GetSlotSeries (card->priv->slot);
+ if (slot_series != card->priv->slot_series) {
+ msd_smartcard_set_slot_series (card, slot_series);
+ }
+
+ _msd_smartcard_set_state (card, MSD_SMARTCARD_STATE_INSERTED);
+ } else {
+ _msd_smartcard_set_state (card, MSD_SMARTCARD_STATE_REMOVED);
+ }
+ }
+
+ g_object_notify (G_OBJECT (card), "name");
+ }
+}
+
+static void
+msd_smartcard_set_slot_id (MsdSmartcard *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 = msd_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))) {
+ msd_smartcard_set_name (card, card_name);
+ }
+
+ _msd_smartcard_set_state (card, MSD_SMARTCARD_STATE_INSERTED);
+ } else {
+ _msd_smartcard_set_state (card, MSD_SMARTCARD_STATE_REMOVED);
+ }
+ }
+
+ g_object_notify (G_OBJECT (card), "slot-id");
+ }
+}
+
+static void
+msd_smartcard_set_slot_series (MsdSmartcard *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
+msd_smartcard_set_module (MsdSmartcard *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
+msd_smartcard_get_slot_series (MsdSmartcard *card)
+{
+ return card->priv->slot_series;
+}
+
+static void
+msd_smartcard_init (MsdSmartcard *card)
+{
+
+ g_debug ("initializing smartcard ");
+
+ card->priv = G_TYPE_INSTANCE_GET_PRIVATE (card,
+ MSD_TYPE_SMARTCARD,
+ MsdSmartcardPrivate);
+
+ if (card->priv->slot != NULL) {
+ card->priv->name = g_strdup (PK11_GetTokenName (card->priv->slot));
+ }
+}
+
+static void msd_smartcard_finalize (GObject *object)
+{
+ MsdSmartcard *card;
+ GObjectClass *gobject_class;
+
+ card = MSD_SMARTCARD (object);
+
+ g_free (card->priv->name);
+
+ msd_smartcard_set_module (card, NULL);
+
+ gobject_class = G_OBJECT_CLASS (msd_smartcard_parent_class);
+
+ gobject_class->finalize (object);
+}
+
+GQuark msd_smartcard_error_quark (void)
+{
+ static GQuark error_quark = 0;
+
+ if (error_quark == 0) {
+ error_quark = g_quark_from_static_string ("msd-smartcard-error-quark");
+ }
+
+ return error_quark;
+}
+
+MsdSmartcard *
+_msd_smartcard_new (SECMODModule *module,
+ CK_SLOT_ID slot_id,
+ int slot_series)
+{
+ MsdSmartcard *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 = MSD_SMARTCARD (g_object_new (MSD_TYPE_SMARTCARD,
+ "module", module,
+ "slot-id", (gulong) slot_id,
+ "slot-series", slot_series,
+ NULL));
+ return card;
+}
+
+MsdSmartcard *
+_msd_smartcard_new_from_name (SECMODModule *module,
+ const char *name)
+{
+ MsdSmartcard *card;
+
+ g_return_val_if_fail (module != NULL, NULL);
+ g_return_val_if_fail (name != NULL, NULL);
+
+ card = MSD_SMARTCARD (g_object_new (MSD_TYPE_SMARTCARD,
+ "module", module,
+ "name", name,
+ NULL));
+ return card;
+}
+
+void
+_msd_smartcard_set_state (MsdSmartcard *card,
+ MsdSmartcardState state)
+{
+ if (card->priv->state != state) {
+ card->priv->state = state;
+
+ if (state == MSD_SMARTCARD_STATE_INSERTED) {
+ g_signal_emit (card, msd_smartcard_signals[INSERTED], 0);
+ } else if (state == MSD_SMARTCARD_STATE_REMOVED) {
+ g_signal_emit (card, msd_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 *
+msd_smartcard_password_handler (PK11SlotInfo *slot,
+ PRBool is_retrying,
+ const char *password)
+{
+ if (is_retrying) {
+ return NULL;
+ }
+
+ return password != NULL? PL_strdup (password): NULL;
+}
+
+gboolean
+msd_smartcard_unlock (MsdSmartcard *card,
+ const char *password)
+{
+ SECStatus status;
+
+ PK11_SetPasswordFunc ((PK11PasswordFunc) msd_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 *
+msd_smartcard_find_slot_from_card_name (MsdSmartcard *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 *
+msd_smartcard_find_slot_from_id (MsdSmartcard *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;
+}
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