/* 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 "builtins.h"

/*

 * builtins/object.c

 *

 * This file implements the NSSCKMDObject object for the

 * "builtin objects" cryptoki module.

 */

/*

 * Finalize - unneeded

 * Destroy - CKR_SESSION_READ_ONLY

 * IsTokenObject - CK_TRUE

 * GetAttributeCount

 * GetAttributeTypes

 * GetAttributeSize

 * GetAttribute

 * SetAttribute - unneeded

 * GetObjectSize

 */

static CK_RV

builtins_mdObject_Destroy

(

  NSSCKMDObject *mdObject,

  NSSCKFWObject *fwObject,

  NSSCKMDSession *mdSession,

  NSSCKFWSession *fwSession,

  NSSCKMDToken *mdToken,

  NSSCKFWToken *fwToken,

  NSSCKMDInstance *mdInstance,

  NSSCKFWInstance *fwInstance

)

{

  return CKR_SESSION_READ_ONLY;

}

static CK_BBOOL

builtins_mdObject_IsTokenObject

(

  NSSCKMDObject *mdObject,

  NSSCKFWObject *fwObject,

  NSSCKMDSession *mdSession,

  NSSCKFWSession *fwSession,

  NSSCKMDToken *mdToken,

  NSSCKFWToken *fwToken,

  NSSCKMDInstance *mdInstance,

  NSSCKFWInstance *fwInstance

)

{

  return CK_TRUE;

}

static CK_ULONG

builtins_mdObject_GetAttributeCount

(

  NSSCKMDObject *mdObject,

  NSSCKFWObject *fwObject,

  NSSCKMDSession *mdSession,

  NSSCKFWSession *fwSession,

  NSSCKMDToken *mdToken,

  NSSCKFWToken *fwToken,

  NSSCKMDInstance *mdInstance,

  NSSCKFWInstance *fwInstance,

  CK_RV *pError

)

{

  builtinsInternalObject *io = (builtinsInternalObject *)mdObject->etc;

  return io->n;

}

static CK_RV

builtins_mdObject_GetAttributeTypes

(

  NSSCKMDObject *mdObject,

  NSSCKFWObject *fwObject,

  NSSCKMDSession *mdSession,

  NSSCKFWSession *fwSession,

  NSSCKMDToken *mdToken,

  NSSCKFWToken *fwToken,

  NSSCKMDInstance *mdInstance,

  NSSCKFWInstance *fwInstance,

  CK_ATTRIBUTE_TYPE_PTR typeArray,

  CK_ULONG ulCount

)

{

  builtinsInternalObject *io = (builtinsInternalObject *)mdObject->etc;

  CK_ULONG i;

  if( io->n != ulCount ) {

    return CKR_BUFFER_TOO_SMALL;

  }

  for( i = 0; i < io->n; i++ ) {

    typeArray[i] = io->types[i];

  }

  return CKR_OK;

}

static CK_ULONG

builtins_mdObject_GetAttributeSize

(

  NSSCKMDObject *mdObject,

  NSSCKFWObject *fwObject,

  NSSCKMDSession *mdSession,

  NSSCKFWSession *fwSession,

  NSSCKMDToken *mdToken,

  NSSCKFWToken *fwToken,

  NSSCKMDInstance *mdInstance,

  NSSCKFWInstance *fwInstance,

  CK_ATTRIBUTE_TYPE attribute,

  CK_RV *pError

)

{

  builtinsInternalObject *io = (builtinsInternalObject *)mdObject->etc;

  CK_ULONG i;

  for( i = 0; i < io->n; i++ ) {

    if( attribute == io->types[i] ) {

      return (CK_ULONG)(io->items[i].size);

    }

  }

  *pError = CKR_ATTRIBUTE_TYPE_INVALID;

  return 0;

}

static NSSCKFWItem

builtins_mdObject_GetAttribute

(

  NSSCKMDObject *mdObject,

  NSSCKFWObject *fwObject,

  NSSCKMDSession *mdSession,

  NSSCKFWSession *fwSession,

  NSSCKMDToken *mdToken,

  NSSCKFWToken *fwToken,

  NSSCKMDInstance *mdInstance,

  NSSCKFWInstance *fwInstance,

  CK_ATTRIBUTE_TYPE attribute,

  CK_RV *pError

)

{

  NSSCKFWItem mdItem;

  builtinsInternalObject *io = (builtinsInternalObject *)mdObject->etc;

  CK_ULONG i;

  mdItem.needsFreeing = PR_FALSE;

  mdItem.item = (NSSItem*) NULL;

  for( i = 0; i < io->n; i++ ) {

    if( attribute == io->types[i] ) {

      mdItem.item = (NSSItem*) &io->items[i];

      return mdItem;

    }

  }

  *pError = CKR_ATTRIBUTE_TYPE_INVALID;

  return mdItem;

}

static CK_ULONG

builtins_mdObject_GetObjectSize

(

  NSSCKMDObject *mdObject,

  NSSCKFWObject *fwObject,

  NSSCKMDSession *mdSession,

  NSSCKFWSession *fwSession,

  NSSCKMDToken *mdToken,

  NSSCKFWToken *fwToken,

  NSSCKMDInstance *mdInstance,

  NSSCKFWInstance *fwInstance,

  CK_RV *pError

)

{

  builtinsInternalObject *io = (builtinsInternalObject *)mdObject->etc;

  CK_ULONG i;

  CK_ULONG rv = sizeof(CK_ULONG);

  for( i = 0; i < io->n; i++ ) {

    rv += sizeof(CK_ATTRIBUTE_TYPE) + sizeof(NSSItem) + io->items[i].size;

  }

  return rv;

}

static const NSSCKMDObject

builtins_prototype_mdObject = {

  (void *)NULL, /* etc */

  NULL, /* Finalize */

  builtins_mdObject_Destroy,

  builtins_mdObject_IsTokenObject,

  builtins_mdObject_GetAttributeCount,

  builtins_mdObject_GetAttributeTypes,

  builtins_mdObject_GetAttributeSize,

  builtins_mdObject_GetAttribute,

  NULL, /* FreeAttribute */

  NULL, /* SetAttribute */

  builtins_mdObject_GetObjectSize,

  (void *)NULL /* null terminator */

};

NSS_IMPLEMENT NSSCKMDObject *

nss_builtins_CreateMDObject

(

  NSSArena *arena,

  builtinsInternalObject *io,

  CK_RV *pError

)

{

  if ( (void*)NULL == io->mdObject.etc) {

    (void) nsslibc_memcpy(&io->mdObject,&builtins_prototype_mdObject,

					sizeof(builtins_prototype_mdObject));

    io->mdObject.etc = (void *)io;

  }

  return &io->mdObject;

}