RetroZilla/security/nss/lib/ckfw/dbm/slot.c

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2018-05-04 16:08:28 +02:00
/* 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/. */
2015-10-21 05:03:22 +02:00
#include "ckdbm.h"
static CK_RV
nss_dbm_mdSlot_Initialize
(
NSSCKMDSlot *mdSlot,
NSSCKFWSlot *fwSlot,
NSSCKMDInstance *mdInstance,
NSSCKFWInstance *fwInstance
)
{
nss_dbm_slot_t *slot = (nss_dbm_slot_t *)mdSlot->etc;
nss_dbm_instance_t *instance = (nss_dbm_instance_t *)mdInstance->etc;
CK_RV rv = CKR_OK;
slot->token_db = nss_dbm_db_open(instance->arena, fwInstance, slot->filename,
slot->flags, &rv);
if( (nss_dbm_db_t *)NULL == slot->token_db ) {
if( CKR_TOKEN_NOT_PRESENT == rv ) {
/* This is not an error-- just means "the token isn't there" */
rv = CKR_OK;
}
}
return rv;
}
static void
nss_dbm_mdSlot_Destroy
(
NSSCKMDSlot *mdSlot,
NSSCKFWSlot *fwSlot,
NSSCKMDInstance *mdInstance,
NSSCKFWInstance *fwInstance
)
{
nss_dbm_slot_t *slot = (nss_dbm_slot_t *)mdSlot->etc;
if( (nss_dbm_db_t *)NULL != slot->token_db ) {
nss_dbm_db_close(slot->token_db);
slot->token_db = (nss_dbm_db_t *)NULL;
}
}
static NSSUTF8 *
nss_dbm_mdSlot_GetSlotDescription
(
NSSCKMDSlot *mdSlot,
NSSCKFWSlot *fwSlot,
NSSCKMDInstance *mdInstance,
NSSCKFWInstance *fwInstance,
CK_RV *pError
)
{
return "Database";
}
static NSSUTF8 *
nss_dbm_mdSlot_GetManufacturerID
(
NSSCKMDSlot *mdSlot,
NSSCKFWSlot *fwSlot,
NSSCKMDInstance *mdInstance,
NSSCKFWInstance *fwInstance,
CK_RV *pError
)
{
return "Berkeley";
}
static CK_BBOOL
nss_dbm_mdSlot_GetTokenPresent
(
NSSCKMDSlot *mdSlot,
NSSCKFWSlot *fwSlot,
NSSCKMDInstance *mdInstance,
NSSCKFWInstance *fwInstance
)
{
nss_dbm_slot_t *slot = (nss_dbm_slot_t *)mdSlot->etc;
if( (nss_dbm_db_t *)NULL == slot->token_db ) {
return CK_FALSE;
} else {
return CK_TRUE;
}
}
static CK_BBOOL
nss_dbm_mdSlot_GetRemovableDevice
(
NSSCKMDSlot *mdSlot,
NSSCKFWSlot *fwSlot,
NSSCKMDInstance *mdInstance,
NSSCKFWInstance *fwInstance
)
{
/*
* Well, this supports "tokens" (databases) that aren't there, so in
* that sense they're removable. It'd be nice to handle databases
* that suddenly disappear (NFS-mounted home directories and network
* errors, for instance) but that's a harder problem. We'll say
* we support removable devices, badly.
*/
return CK_TRUE;
}
/* nss_dbm_mdSlot_GetHardwareSlot defaults to CK_FALSE */
/*
* nss_dbm_mdSlot_GetHardwareVersion
* nss_dbm_mdSlot_GetFirmwareVersion
*
* These are kinda fuzzy concepts here. I suppose we could return the
* Berkeley DB version for one of them, if we had an actual number we
* were confident in. But mcom's "dbm" has been hacked enough that I
* don't really know from what "real" version it stems..
*/
static NSSCKMDToken *
nss_dbm_mdSlot_GetToken
(
NSSCKMDSlot *mdSlot,
NSSCKFWSlot *fwSlot,
NSSCKMDInstance *mdInstance,
NSSCKFWInstance *fwInstance,
CK_RV *pError
)
{
nss_dbm_slot_t *slot = (nss_dbm_slot_t *)mdSlot->etc;
return nss_dbm_mdToken_factory(slot, pError);
}
NSS_IMPLEMENT NSSCKMDSlot *
nss_dbm_mdSlot_factory
(
nss_dbm_instance_t *instance,
char *filename,
int flags,
CK_RV *pError
)
{
nss_dbm_slot_t *slot;
NSSCKMDSlot *rv;
slot = nss_ZNEW(instance->arena, nss_dbm_slot_t);
if( (nss_dbm_slot_t *)NULL == slot ) {
*pError = CKR_HOST_MEMORY;
return (NSSCKMDSlot *)NULL;
}
slot->instance = instance;
slot->filename = filename;
slot->flags = flags;
slot->token_db = (nss_dbm_db_t *)NULL;
rv = nss_ZNEW(instance->arena, NSSCKMDSlot);
if( (NSSCKMDSlot *)NULL == rv ) {
*pError = CKR_HOST_MEMORY;
return (NSSCKMDSlot *)NULL;
}
rv->etc = (void *)slot;
rv->Initialize = nss_dbm_mdSlot_Initialize;
rv->Destroy = nss_dbm_mdSlot_Destroy;
rv->GetSlotDescription = nss_dbm_mdSlot_GetSlotDescription;
rv->GetManufacturerID = nss_dbm_mdSlot_GetManufacturerID;
rv->GetTokenPresent = nss_dbm_mdSlot_GetTokenPresent;
rv->GetRemovableDevice = nss_dbm_mdSlot_GetRemovableDevice;
/* GetHardwareSlot */
/* GetHardwareVersion */
/* GetFirmwareVersion */
rv->GetToken = nss_dbm_mdSlot_GetToken;
rv->null = (void *)NULL;
return rv;
}