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/*
* Copyright (C) 2012 Red Hat Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
* * Redistributions in binary form must reproduce the
* above copyright notice, this list of conditions and
* the following disclaimer in the documentation and/or
* other materials provided with the distribution.
* * The names of contributors to this software may not be
* used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* Author: Stef Walter <stefw@redhat.com>
*/
#include "config.h"
#include "attrs.h"
#define P11_DEBUG_FLAG P11_DEBUG_TRUST
#include "debug.h"
#include "dict.h"
#include "library.h"
#include "pkcs11.h"
#include "module.h"
#include "session.h"
#include <assert.h>
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
typedef struct {
CK_OBJECT_HANDLE handle;
CK_ATTRIBUTE *attrs;
} Object;
static void
object_free (void *data)
{
Object *object = data;
p11_attrs_free (object->attrs);
free (object);
}
p11_session *
p11_session_new (p11_token *token)
{
p11_session *session;
session = calloc (1, sizeof (p11_session));
return_val_if_fail (session != NULL, NULL);
session->handle = p11_module_next_id ();
session->objects = p11_dict_new (p11_dict_ulongptr_hash,
p11_dict_ulongptr_equal,
NULL, object_free);
return_val_if_fail (session->objects != NULL, NULL);
session->token = token;
return session;
}
void
p11_session_free (void *data)
{
p11_session *session = data;
p11_session_set_operation (session, NULL, NULL);
p11_dict_free (session->objects);
free (session);
}
CK_RV
p11_session_add_object (p11_session *session,
CK_ATTRIBUTE *attrs,
CK_OBJECT_HANDLE *handle)
{
Object *object;
assert (handle != NULL);
assert (session != NULL);
return_val_if_fail (attrs != NULL, CKR_GENERAL_ERROR);
object = malloc (sizeof (Object));
return_val_if_fail (object != NULL, CKR_HOST_MEMORY);
object->handle = p11_module_next_id ();
object->attrs = attrs;
if (!p11_dict_set (session->objects, &object->handle, object))
return_val_if_reached (CKR_HOST_MEMORY);
*handle = object->handle;
return CKR_OK;
}
CK_RV
p11_session_del_object (p11_session *session,
CK_OBJECT_HANDLE handle)
{
p11_dict *objects;
assert (session != NULL);
if (p11_dict_remove (session->objects, &handle))
return CKR_OK;
/* Look for in the global objects */
objects = p11_token_objects (session->token);
if (p11_dict_get (objects, &handle))
return CKR_TOKEN_WRITE_PROTECTED;
return CKR_OBJECT_HANDLE_INVALID;
}
CK_ATTRIBUTE *
p11_session_get_object (p11_session *session,
CK_OBJECT_HANDLE handle,
CK_BBOOL *token)
{
CK_ATTRIBUTE *attrs;
p11_dict *objects;
Object *object;
assert (session != NULL);
object = p11_dict_get (session->objects, &handle);
if (object) {
if (token)
*token = CK_FALSE;
return object->attrs;
}
objects = p11_token_objects (session->token);
attrs = p11_dict_get (objects, &handle);
if (attrs) {
if (token)
*token = CK_TRUE;
return attrs;
}
return NULL;
}
CK_RV
p11_session_set_object (p11_session *session,
CK_OBJECT_HANDLE handle,
CK_ATTRIBUTE *template,
CK_ULONG count)
{
CK_BBOOL token;
p11_dict *objects;
Object *object;
assert (session != NULL);
object = p11_dict_get (session->objects, &handle);
if (object == NULL) {
objects = p11_token_objects (session->token);
if (p11_dict_get (objects, &handle))
return CKR_TOKEN_WRITE_PROTECTED;
return CKR_OBJECT_HANDLE_INVALID;
}
if (!p11_attrs_findn_bool (template, count, CKA_TOKEN, &token) && token)
return CKR_TEMPLATE_INCONSISTENT;
object->attrs = p11_attrs_buildn (object->attrs, template, count);
return CKR_OK;
}
void
p11_session_set_operation (p11_session *session,
p11_session_cleanup cleanup,
void *operation)
{
assert (session != NULL);
if (session->cleanup)
(session->cleanup) (session->operation);
session->cleanup = cleanup;
session->operation = operation;
}
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