michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "ckdbm.h"
michael@0: 
michael@0: static void
michael@0: nss_dbm_mdSession_Close
michael@0: (
michael@0:   NSSCKMDSession *mdSession,
michael@0:   NSSCKFWSession *fwSession,
michael@0:   NSSCKMDToken *mdToken,
michael@0:   NSSCKFWToken *fwToken,
michael@0:   NSSCKMDInstance *mdInstance,
michael@0:   NSSCKFWInstance *fwInstance
michael@0: )
michael@0: {
michael@0:   nss_dbm_session_t *session = (nss_dbm_session_t *)mdSession->etc;
michael@0: 
michael@0:   struct nss_dbm_dbt_node *w;
michael@0: 
michael@0:   /* Lock */
michael@0:   {
michael@0:     if( CKR_OK != NSSCKFWMutex_Lock(session->list_lock) ) {
michael@0:       return;
michael@0:     }
michael@0: 
michael@0:     w = session->session_objects;
michael@0:     session->session_objects = (struct nss_dbm_dbt_node *)NULL; /* sanity */
michael@0:     
michael@0:     (void)NSSCKFWMutex_Unlock(session->list_lock);
michael@0:   }
michael@0: 
michael@0:   for( ; (struct nss_dbm_dbt_node *)NULL != w; w = w->next ) {
michael@0:     (void)nss_dbm_db_delete_object(w->dbt);
michael@0:   }
michael@0: }
michael@0: 
michael@0: static CK_ULONG
michael@0: nss_dbm_mdSession_GetDeviceError
michael@0: (
michael@0:   NSSCKMDSession *mdSession,
michael@0:   NSSCKFWSession *fwSession,
michael@0:   NSSCKMDToken *mdToken,
michael@0:   NSSCKFWToken *fwToken,
michael@0:   NSSCKMDInstance *mdInstance,
michael@0:   NSSCKFWInstance *fwInstance
michael@0: )
michael@0: {
michael@0:   nss_dbm_session_t *session = (nss_dbm_session_t *)mdSession->etc;
michael@0:   return session->deviceError;
michael@0: }
michael@0: 
michael@0: /* Login isn't needed */
michael@0: /* Logout isn't needed */
michael@0: /* InitPIN is irrelevant */
michael@0: /* SetPIN is irrelevant */
michael@0: /* GetOperationStateLen is irrelevant */
michael@0: /* GetOperationState is irrelevant */
michael@0: /* SetOperationState is irrelevant */
michael@0: 
michael@0: static NSSCKMDObject *
michael@0: nss_dbm_mdSession_CreateObject
michael@0: (
michael@0:   NSSCKMDSession *mdSession,
michael@0:   NSSCKFWSession *fwSession,
michael@0:   NSSCKMDToken *mdToken,
michael@0:   NSSCKFWToken *fwToken,
michael@0:   NSSCKMDInstance *mdInstance,
michael@0:   NSSCKFWInstance *fwInstance,
michael@0:   NSSArena *handyArenaPointer,
michael@0:   CK_ATTRIBUTE_PTR pTemplate,
michael@0:   CK_ULONG ulAttributeCount,
michael@0:   CK_RV *pError
michael@0: )
michael@0: {
michael@0:   nss_dbm_session_t *session = (nss_dbm_session_t *)mdSession->etc;
michael@0:   nss_dbm_token_t *token = (nss_dbm_token_t *)mdToken->etc;
michael@0:   CK_ULONG i;
michael@0:   CK_BBOOL isToken = CK_FALSE; /* defaults to false */
michael@0:   NSSCKMDObject *rv;
michael@0:   struct nss_dbm_dbt_node *node = (struct nss_dbm_dbt_node *)NULL;
michael@0:   nss_dbm_object_t *object;
michael@0:   nss_dbm_db_t *which_db;
michael@0: 
michael@0:   /* This framework should really pass this to me */
michael@0:   for( i = 0; i < ulAttributeCount; i++ ) {
michael@0:     if( CKA_TOKEN == pTemplate[i].type ) {
michael@0:       isToken = *(CK_BBOOL *)pTemplate[i].pValue;
michael@0:       break;
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   object = nss_ZNEW(handyArenaPointer, nss_dbm_object_t);
michael@0:   if( (nss_dbm_object_t *)NULL == object ) {
michael@0:     *pError = CKR_HOST_MEMORY;
michael@0:     return (NSSCKMDObject *)NULL;
michael@0:   }
michael@0: 
michael@0:   object->arena = handyArenaPointer;
michael@0:   which_db = isToken ? token->slot->token_db : token->session_db;
michael@0: 
michael@0:   /* Do this before the actual database call; it's easier to recover from */
michael@0:   rv = nss_dbm_mdObject_factory(object, pError);
michael@0:   if( (NSSCKMDObject *)NULL == rv ) {
michael@0:     return (NSSCKMDObject *)NULL;
michael@0:   }
michael@0: 
michael@0:   if( CK_FALSE == isToken ) {
michael@0:     node = nss_ZNEW(session->arena, struct nss_dbm_dbt_node);
michael@0:     if( (struct nss_dbm_dbt_node *)NULL == node ) {
michael@0:       *pError = CKR_HOST_MEMORY;
michael@0:       return (NSSCKMDObject *)NULL;
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   object->handle = nss_dbm_db_create_object(handyArenaPointer, which_db, 
michael@0:                                             pTemplate, ulAttributeCount,
michael@0:                                             pError, &session->deviceError);
michael@0:   if( (nss_dbm_dbt_t *)NULL == object->handle ) {
michael@0:     return (NSSCKMDObject *)NULL;
michael@0:   }
michael@0: 
michael@0:   if( CK_FALSE == isToken ) {
michael@0:     node->dbt = object->handle;
michael@0:     /* Lock */
michael@0:     {
michael@0:       *pError = NSSCKFWMutex_Lock(session->list_lock);
michael@0:       if( CKR_OK != *pError ) {
michael@0:         (void)nss_dbm_db_delete_object(object->handle);
michael@0:         return (NSSCKMDObject *)NULL;
michael@0:       }
michael@0:       
michael@0:       node->next = session->session_objects;
michael@0:       session->session_objects = node;
michael@0:       
michael@0:       *pError = NSSCKFWMutex_Unlock(session->list_lock);
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   return rv;
michael@0: }
michael@0: 
michael@0: /* CopyObject isn't needed; the framework will use CreateObject */
michael@0: 
michael@0: static NSSCKMDFindObjects *
michael@0: nss_dbm_mdSession_FindObjectsInit
michael@0: (
michael@0:   NSSCKMDSession *mdSession,
michael@0:   NSSCKFWSession *fwSession,
michael@0:   NSSCKMDToken *mdToken,
michael@0:   NSSCKFWToken *fwToken,
michael@0:   NSSCKMDInstance *mdInstance,
michael@0:   NSSCKFWInstance *fwInstance,
michael@0:   CK_ATTRIBUTE_PTR pTemplate,
michael@0:   CK_ULONG ulAttributeCount,
michael@0:   CK_RV *pError
michael@0: )
michael@0: {
michael@0:   nss_dbm_session_t *session = (nss_dbm_session_t *)mdSession->etc;
michael@0:   nss_dbm_token_t *token = (nss_dbm_token_t *)mdToken->etc;
michael@0:   NSSArena *arena;
michael@0:   nss_dbm_find_t *find;
michael@0:   NSSCKMDFindObjects *rv;
michael@0: 
michael@0:   arena = NSSArena_Create();
michael@0:   if( (NSSArena *)NULL == arena ) {
michael@0:     *pError = CKR_HOST_MEMORY;
michael@0:     goto loser;
michael@0:   }
michael@0: 
michael@0:   find = nss_ZNEW(arena, nss_dbm_find_t);
michael@0:   if( (nss_dbm_find_t *)NULL == find ) {
michael@0:     *pError = CKR_HOST_MEMORY;
michael@0:     goto loser;
michael@0:   }
michael@0: 
michael@0:   find->arena = arena;
michael@0:   find->list_lock = NSSCKFWInstance_CreateMutex(fwInstance, arena, pError);
michael@0:   if( (NSSCKFWMutex *)NULL == find->list_lock ) {
michael@0:     goto loser;
michael@0:   }
michael@0: 
michael@0:   *pError = nss_dbm_db_find_objects(find, token->slot->token_db, pTemplate, 
michael@0:                                     ulAttributeCount, &session->deviceError);
michael@0:   if( CKR_OK != *pError ) {
michael@0:     goto loser;
michael@0:   }
michael@0: 
michael@0:   *pError = nss_dbm_db_find_objects(find, token->session_db, pTemplate, 
michael@0:                                     ulAttributeCount, &session->deviceError);
michael@0:   if( CKR_OK != *pError ) {
michael@0:     goto loser;
michael@0:   }
michael@0: 
michael@0:   rv = nss_dbm_mdFindObjects_factory(find, pError);
michael@0:   if( (NSSCKMDFindObjects *)NULL == rv ) {
michael@0:     goto loser;
michael@0:   }
michael@0: 
michael@0:   return rv;
michael@0: 
michael@0:  loser:
michael@0:   if( (NSSArena *)NULL != arena ) {
michael@0:     (void)NSSArena_Destroy(arena);
michael@0:   }
michael@0: 
michael@0:   return (NSSCKMDFindObjects *)NULL;
michael@0: }
michael@0: 
michael@0: /* SeedRandom is irrelevant */
michael@0: /* GetRandom is irrelevant */
michael@0: 
michael@0: NSS_IMPLEMENT NSSCKMDSession *
michael@0: nss_dbm_mdSession_factory
michael@0: (
michael@0:   nss_dbm_token_t *token,
michael@0:   NSSCKFWSession *fwSession,
michael@0:   NSSCKFWInstance *fwInstance,
michael@0:   CK_BBOOL rw,
michael@0:   CK_RV *pError
michael@0: )
michael@0: {
michael@0:   NSSArena *arena;
michael@0:   nss_dbm_session_t *session;
michael@0:   NSSCKMDSession *rv;
michael@0: 
michael@0:   arena = NSSCKFWSession_GetArena(fwSession, pError);
michael@0: 
michael@0:   session = nss_ZNEW(arena, nss_dbm_session_t);
michael@0:   if( (nss_dbm_session_t *)NULL == session ) {
michael@0:     *pError = CKR_HOST_MEMORY;
michael@0:     return (NSSCKMDSession *)NULL;
michael@0:   }
michael@0: 
michael@0:   rv = nss_ZNEW(arena, NSSCKMDSession);
michael@0:   if( (NSSCKMDSession *)NULL == rv ) {
michael@0:     *pError = CKR_HOST_MEMORY;
michael@0:     return (NSSCKMDSession *)NULL;
michael@0:   }
michael@0: 
michael@0:   session->arena = arena;
michael@0:   session->token = token;
michael@0:   session->list_lock = NSSCKFWInstance_CreateMutex(fwInstance, arena, pError);
michael@0:   if( (NSSCKFWMutex *)NULL == session->list_lock ) {
michael@0:     return (NSSCKMDSession *)NULL;
michael@0:   }
michael@0: 
michael@0:   rv->etc = (void *)session;
michael@0:   rv->Close = nss_dbm_mdSession_Close;
michael@0:   rv->GetDeviceError = nss_dbm_mdSession_GetDeviceError;
michael@0:   /*  Login isn't needed */
michael@0:   /*  Logout isn't needed */
michael@0:   /*  InitPIN is irrelevant */
michael@0:   /*  SetPIN is irrelevant */
michael@0:   /*  GetOperationStateLen is irrelevant */
michael@0:   /*  GetOperationState is irrelevant */
michael@0:   /*  SetOperationState is irrelevant */
michael@0:   rv->CreateObject = nss_dbm_mdSession_CreateObject;
michael@0:   /*  CopyObject isn't needed; the framework will use CreateObject */
michael@0:   rv->FindObjectsInit = nss_dbm_mdSession_FindObjectsInit;
michael@0:   rv->null = NULL;
michael@0: 
michael@0:   return rv;
michael@0: }