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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#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;
}
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