gecko/security/nss/lib/ckfw/dbm/session.c

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2008-06-06 05:40:11 -07:00
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Netscape security libraries.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1994-2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifdef DEBUG
static const char CVS_ID[] = "@(#) $RCSfile: session.c,v $ $Revision: 1.3 $ $Date: 2006/03/02 22:48:54 $";
#endif /* DEBUG */
#include "ckdbm.h"
static void
nss_dbm_mdSession_Close
(
NSSCKMDSession *mdSession,
NSSCKFWSession *fwSession,
NSSCKMDToken *mdToken,
NSSCKFWToken *fwToken,
NSSCKMDInstance *mdInstance,
NSSCKFWInstance *fwInstance
)
{
nss_dbm_session_t *session = (nss_dbm_session_t *)mdSession->etc;
struct nss_dbm_dbt_node *w;
/* Lock */
{
if( CKR_OK != NSSCKFWMutex_Lock(session->list_lock) ) {
return;
}
w = session->session_objects;
session->session_objects = (struct nss_dbm_dbt_node *)NULL; /* sanity */
(void)NSSCKFWMutex_Unlock(session->list_lock);
}
for( ; (struct nss_dbm_dbt_node *)NULL != w; w = w->next ) {
(void)nss_dbm_db_delete_object(w->dbt);
}
}
static CK_ULONG
nss_dbm_mdSession_GetDeviceError
(
NSSCKMDSession *mdSession,
NSSCKFWSession *fwSession,
NSSCKMDToken *mdToken,
NSSCKFWToken *fwToken,
NSSCKMDInstance *mdInstance,
NSSCKFWInstance *fwInstance
)
{
nss_dbm_session_t *session = (nss_dbm_session_t *)mdSession->etc;
return session->deviceError;
}
/* Login isn't needed */
/* Logout isn't needed */
/* InitPIN is irrelevant */
/* SetPIN is irrelevant */
/* GetOperationStateLen is irrelevant */
/* GetOperationState is irrelevant */
/* SetOperationState is irrelevant */
static NSSCKMDObject *
nss_dbm_mdSession_CreateObject
(
NSSCKMDSession *mdSession,
NSSCKFWSession *fwSession,
NSSCKMDToken *mdToken,
NSSCKFWToken *fwToken,
NSSCKMDInstance *mdInstance,
NSSCKFWInstance *fwInstance,
NSSArena *handyArenaPointer,
CK_ATTRIBUTE_PTR pTemplate,
CK_ULONG ulAttributeCount,
CK_RV *pError
)
{
nss_dbm_session_t *session = (nss_dbm_session_t *)mdSession->etc;
nss_dbm_token_t *token = (nss_dbm_token_t *)mdToken->etc;
CK_ULONG i;
CK_BBOOL isToken = CK_FALSE; /* defaults to false */
NSSCKMDObject *rv;
struct nss_dbm_dbt_node *node = (struct nss_dbm_dbt_node *)NULL;
nss_dbm_object_t *object;
nss_dbm_db_t *which_db;
/* This framework should really pass this to me */
for( i = 0; i < ulAttributeCount; i++ ) {
if( CKA_TOKEN == pTemplate[i].type ) {
isToken = *(CK_BBOOL *)pTemplate[i].pValue;
break;
}
}
object = nss_ZNEW(handyArenaPointer, nss_dbm_object_t);
if( (nss_dbm_object_t *)NULL == object ) {
*pError = CKR_HOST_MEMORY;
return (NSSCKMDObject *)NULL;
}
object->arena = handyArenaPointer;
which_db = isToken ? token->slot->token_db : token->session_db;
/* Do this before the actual database call; it's easier to recover from */
rv = nss_dbm_mdObject_factory(object, pError);
if( (NSSCKMDObject *)NULL == rv ) {
return (NSSCKMDObject *)NULL;
}
if( CK_FALSE == isToken ) {
node = nss_ZNEW(session->arena, struct nss_dbm_dbt_node);
if( (struct nss_dbm_dbt_node *)NULL == node ) {
*pError = CKR_HOST_MEMORY;
return (NSSCKMDObject *)NULL;
}
}
object->handle = nss_dbm_db_create_object(handyArenaPointer, which_db,
pTemplate, ulAttributeCount,
pError, &session->deviceError);
if( (nss_dbm_dbt_t *)NULL == object->handle ) {
return (NSSCKMDObject *)NULL;
}
if( CK_FALSE == isToken ) {
node->dbt = object->handle;
/* Lock */
{
*pError = NSSCKFWMutex_Lock(session->list_lock);
if( CKR_OK != *pError ) {
(void)nss_dbm_db_delete_object(object->handle);
return (NSSCKMDObject *)NULL;
}
node->next = session->session_objects;
session->session_objects = node;
*pError = NSSCKFWMutex_Unlock(session->list_lock);
}
}
return rv;
}
/* CopyObject isn't needed; the framework will use CreateObject */
static NSSCKMDFindObjects *
nss_dbm_mdSession_FindObjectsInit
(
NSSCKMDSession *mdSession,
NSSCKFWSession *fwSession,
NSSCKMDToken *mdToken,
NSSCKFWToken *fwToken,
NSSCKMDInstance *mdInstance,
NSSCKFWInstance *fwInstance,
CK_ATTRIBUTE_PTR pTemplate,
CK_ULONG ulAttributeCount,
CK_RV *pError
)
{
nss_dbm_session_t *session = (nss_dbm_session_t *)mdSession->etc;
nss_dbm_token_t *token = (nss_dbm_token_t *)mdToken->etc;
NSSArena *arena;
nss_dbm_find_t *find;
NSSCKMDFindObjects *rv;
arena = NSSArena_Create();
if( (NSSArena *)NULL == arena ) {
*pError = CKR_HOST_MEMORY;
goto loser;
}
find = nss_ZNEW(arena, nss_dbm_find_t);
if( (nss_dbm_find_t *)NULL == find ) {
*pError = CKR_HOST_MEMORY;
goto loser;
}
find->arena = arena;
find->list_lock = NSSCKFWInstance_CreateMutex(fwInstance, arena, pError);
if( (NSSCKFWMutex *)NULL == find->list_lock ) {
goto loser;
}
*pError = nss_dbm_db_find_objects(find, token->slot->token_db, pTemplate,
ulAttributeCount, &session->deviceError);
if( CKR_OK != *pError ) {
goto loser;
}
*pError = nss_dbm_db_find_objects(find, token->session_db, pTemplate,
ulAttributeCount, &session->deviceError);
if( CKR_OK != *pError ) {
goto loser;
}
rv = nss_dbm_mdFindObjects_factory(find, pError);
if( (NSSCKMDFindObjects *)NULL == rv ) {
goto loser;
}
return rv;
loser:
if( (NSSArena *)NULL != arena ) {
(void)NSSArena_Destroy(arena);
}
return (NSSCKMDFindObjects *)NULL;
}
/* SeedRandom is irrelevant */
/* GetRandom is irrelevant */
NSS_IMPLEMENT NSSCKMDSession *
nss_dbm_mdSession_factory
(
nss_dbm_token_t *token,
NSSCKFWSession *fwSession,
NSSCKFWInstance *fwInstance,
CK_BBOOL rw,
CK_RV *pError
)
{
NSSArena *arena;
nss_dbm_session_t *session;
NSSCKMDSession *rv;
arena = NSSCKFWSession_GetArena(fwSession, pError);
session = nss_ZNEW(arena, nss_dbm_session_t);
if( (nss_dbm_session_t *)NULL == session ) {
*pError = CKR_HOST_MEMORY;
return (NSSCKMDSession *)NULL;
}
rv = nss_ZNEW(arena, NSSCKMDSession);
if( (NSSCKMDSession *)NULL == rv ) {
*pError = CKR_HOST_MEMORY;
return (NSSCKMDSession *)NULL;
}
session->arena = arena;
session->token = token;
session->list_lock = NSSCKFWInstance_CreateMutex(fwInstance, arena, pError);
if( (NSSCKFWMutex *)NULL == session->list_lock ) {
return (NSSCKMDSession *)NULL;
}
rv->etc = (void *)session;
rv->Close = nss_dbm_mdSession_Close;
rv->GetDeviceError = nss_dbm_mdSession_GetDeviceError;
/* Login isn't needed */
/* Logout isn't needed */
/* InitPIN is irrelevant */
/* SetPIN is irrelevant */
/* GetOperationStateLen is irrelevant */
/* GetOperationState is irrelevant */
/* SetOperationState is irrelevant */
rv->CreateObject = nss_dbm_mdSession_CreateObject;
/* CopyObject isn't needed; the framework will use CreateObject */
rv->FindObjectsInit = nss_dbm_mdSession_FindObjectsInit;
rv->null = NULL;
return rv;
}