session.c
上传用户:lyxiangda
上传日期:2007-01-12
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文件大小:8k
- /*
- * 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 Netscape are
- * Copyright (C) 1994-2000 Netscape Communications Corporation. All
- * Rights Reserved.
- *
- * Contributor(s):
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL"), in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your
- * version of this file only under the terms of the GPL and not to
- * allow others to use your version of this file under the MPL,
- * indicate your decision by deleting the provisions above and
- * replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient
- * may use your version of this file under either the MPL or the
- * GPL.
- */
- #ifdef DEBUG
- static const char CVS_ID[] = "@(#) $RCSfile: session.c,v $ $Revision: 1.1 $ $Date: 2000/05/15 20:39:57 $ $Name: NSS_3_1_1_RTM $";
- #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;
- }