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/*
* gnome-keyring
*
* Copyright (C) 2008 Stefan Walter
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, see
* <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "pkcs11/pkcs11.h"
#include "gkm-attributes.h"
#include "gkm-crypto.h"
#define DEBUG_FLAG GKM_DEBUG_OBJECT
#include "gkm-debug.h"
#include "gkm-secret-key.h"
#include "gkm-session.h"
#include "gkm-util.h"
struct _GkmSecretKeyPrivate {
gpointer id;
gsize n_id;
};
G_DEFINE_TYPE (GkmSecretKey, gkm_secret_key, GKM_TYPE_OBJECT);
/* -----------------------------------------------------------------------------
* INTERNAL
*/
/* -----------------------------------------------------------------------------
* PUBLIC_SECRET_KEY
*/
static CK_RV
gkm_secret_key_real_get_attribute (GkmObject *base, GkmSession *session, CK_ATTRIBUTE* attr)
{
GkmSecretKey *self = GKM_SECRET_KEY (base);
switch (attr->type)
{
case CKA_CLASS:
return gkm_attribute_set_ulong (attr, CKO_SECRET_KEY);
case CKA_SENSITIVE:
case CKA_ENCRYPT:
case CKA_DECRYPT:
case CKA_SIGN:
case CKA_VERIFY:
case CKA_WRAP:
case CKA_UNWRAP:
case CKA_DERIVE:
return gkm_attribute_set_bool (attr, FALSE);
case CKA_EXTRACTABLE:
return gkm_attribute_set_bool (attr, TRUE);
case CKA_ALWAYS_SENSITIVE:
return gkm_attribute_set_bool (attr, FALSE);
case CKA_NEVER_EXTRACTABLE:
return gkm_attribute_set_bool (attr, FALSE);
case CKA_WRAP_WITH_TRUSTED:
return gkm_attribute_set_bool (attr, FALSE);
case CKA_TRUSTED:
return gkm_attribute_set_bool (attr, FALSE);
case CKA_WRAP_TEMPLATE:
gkm_debug ("CKR_ATTRIBUTE_TYPE_INVALID: no CKA_WRAP_TEMPLATE on key");
return CKR_ATTRIBUTE_TYPE_INVALID;
case CKA_UNWRAP_TEMPLATE:
gkm_debug ("CKR_ATTRIBUTE_TYPE_INVALID: no CKA_UNWRAP_TEMPLATE on key");
return CKR_ATTRIBUTE_TYPE_INVALID;
case CKA_START_DATE:
case CKA_END_DATE:
return gkm_attribute_set_empty (attr);
case CKA_LOCAL:
return gkm_attribute_set_bool (attr, FALSE);
case CKA_ID:
return gkm_attribute_set_data (attr, self->pv->id, self->pv->n_id);
case CKA_KEY_GEN_MECHANISM:
return gkm_attribute_set_ulong (attr, CK_UNAVAILABLE_INFORMATION);
};
return GKM_OBJECT_CLASS (gkm_secret_key_parent_class)->get_attribute (base, session, attr);
}
static void
gkm_secret_key_real_create_attributes (GkmObject *object, GkmSession *session, GkmTransaction *transaction,
CK_ATTRIBUTE *attrs, CK_ULONG n_attrs)
{
GkmSecretKey *self = GKM_SECRET_KEY (object);
CK_ATTRIBUTE_PTR id;
if (!self->pv->n_id) {
id = gkm_attributes_find (attrs, n_attrs, CKA_ID);
if (id == NULL) {
self->pv->id = NULL;
self->pv->n_id = 0;
} else {
self->pv->id = g_memdup (id->pValue, id->ulValueLen);
self->pv->n_id = id->ulValueLen;
gkm_attribute_consume (id);
}
}
}
static void
gkm_secret_key_init (GkmSecretKey *self)
{
self->pv = G_TYPE_INSTANCE_GET_PRIVATE (self, GKM_TYPE_SECRET_KEY, GkmSecretKeyPrivate);
}
static void
gkm_secret_key_finalize (GObject *obj)
{
GkmSecretKey *self = GKM_SECRET_KEY (obj);
g_free (self->pv->id);
self->pv->id = NULL;
self->pv->n_id = 0;
G_OBJECT_CLASS (gkm_secret_key_parent_class)->finalize (obj);
}
static void
gkm_secret_key_class_init (GkmSecretKeyClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GkmObjectClass *gkm_class = GKM_OBJECT_CLASS (klass);
gkm_secret_key_parent_class = g_type_class_peek_parent (klass);
gobject_class->finalize = gkm_secret_key_finalize;
gkm_class->get_attribute = gkm_secret_key_real_get_attribute;
gkm_class->create_attributes = gkm_secret_key_real_create_attributes;
g_type_class_add_private (klass, sizeof (GkmSecretKeyPrivate));
}
/* -----------------------------------------------------------------------------
* PUBLIC
*/
gconstpointer
gkm_secret_key_get_key_value (GkmSecretKey *self, gsize *n_value)
{
g_return_val_if_fail (GKM_IS_SECRET_KEY (self), NULL);
g_return_val_if_fail (n_value, NULL);
/* Check with the derived class */
g_return_val_if_fail (GKM_SECRET_KEY_GET_CLASS (self)->get_key_value, NULL);
return GKM_SECRET_KEY_GET_CLASS (self)->get_key_value (self, n_value);
}
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