/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * 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 the Initial Developer are Copyright (C) 1994-2000
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#ifndef DEV_H
#define DEV_H

/*
 * dev.h
 *
 * Low-level methods for interaction with cryptoki devices
 */

#ifdef DEBUG
static const char DEV_CVS_ID[] = "@(#) $RCSfile$ $Revision$ $Date$";
#endif /* DEBUG */

#ifndef NSSCKT_H
#include "nssckt.h"
#endif /* NSSCKT_H */

#ifndef NSSDEV_H
#include "nssdev.h"
#endif /* NSSDEV_H */

#ifndef DEVT_H
#include "devt.h"
#endif /* DEVT_H */

PR_BEGIN_EXTERN_C

/* the global module list
 *
 * These functions are for managing the global set of modules.  Trust Domains,
 * etc., will draw from this set.  These functions are completely internal
 * and only invoked when there are changes to the global module state
 * (load or unload).
 *
 * nss_InitializeGlobalModuleList
 * nss_DestroyGlobalModuleList
 * nss_GetLoadedModules
 *
 * nssGlobalModuleList_Add
 * nssGlobalModuleList_Remove
 * nssGlobalModuleList_FindModuleByName
 * nssGlobalModuleList_FindSlotByName
 * nssGlobalModuleList_FindTokenByName
 */

NSS_EXTERN PRStatus
nss_InitializeGlobalModuleList
(
  void
);

NSS_EXTERN PRStatus
nss_DestroyGlobalModuleList
(
  void
);

NSS_EXTERN NSSModule **
nss_GetLoadedModules
(
  void
);

NSS_EXTERN PRStatus
nssGlobalModuleList_Add
(
  NSSModule *module
);

NSS_EXTERN PRStatus
nssGlobalModuleList_Remove
(
  NSSModule *module
);

NSS_EXTERN NSSModule *
nssGlobalModuleList_FindModuleByName
(
  NSSUTF8 *moduleName
);

NSS_EXTERN NSSSlot *
nssGlobalModuleList_FindSlotByName
(
  NSSUTF8 *slotName
);

NSS_EXTERN NSSToken *
nssGlobalModuleList_FindTokenByName
(
  NSSUTF8 *tokenName
);

NSS_EXTERN NSSToken *
nss_GetDefaultCryptoToken
(
  void
);

NSS_EXTERN NSSToken *
nss_GetDefaultDatabaseToken
(
  void
);

/*
 *  |-----------|<---> NSSSlot <--> NSSToken
 *  | NSSModule |<---> NSSSlot <--> NSSToken
 *  |-----------|<---> NSSSlot <--> NSSToken
 */

/* NSSModule
 *
 * nssModule_Create
 * nssModule_CreateFromSpec
 * nssModule_AddRef
 * nssModule_GetName
 * nssModule_GetSlots
 * nssModule_FindSlotByName
 * nssModule_FindTokenByName
 * nssModule_GetCertOrder
 */

NSS_EXTERN NSSModule *
nssModule_Create
(
  NSSUTF8 *moduleOpt,
  NSSUTF8 *uriOpt,
  NSSUTF8 *opaqueOpt,
  void    *reserved
);

/* This is to use the new loading mechanism. */
NSS_EXTERN NSSModule *
nssModule_CreateFromSpec
(
  NSSUTF8 *moduleSpec,
  NSSModule *parent,
  PRBool loadSubModules
);

NSS_EXTERN PRStatus
nssModule_Destroy
(
  NSSModule *mod
);

NSS_EXTERN NSSModule *
nssModule_AddRef
(
  NSSModule *mod
);

NSS_EXTERN NSSUTF8 *
nssModule_GetName
(
  NSSModule *mod
);

NSS_EXTERN NSSSlot **
nssModule_GetSlots
(
  NSSModule *mod
);

NSS_EXTERN NSSSlot *
nssModule_FindSlotByName
(
  NSSModule *mod,
  NSSUTF8 *slotName
);

NSS_EXTERN NSSToken *
nssModule_FindTokenByName
(
  NSSModule *mod,
  NSSUTF8 *tokenName
);

NSS_EXTERN PRInt32
nssModule_GetCertOrder
(
  NSSModule *module
);

/* NSSSlot
 *
 * nssSlot_Destroy
 * nssSlot_AddRef
 * nssSlot_GetName
 * nssSlot_GetTokenName
 * nssSlot_IsTokenPresent
 * nssSlot_IsPermanent
 * nssSlot_IsFriendly
 * nssSlot_IsHardware
 * nssSlot_Refresh
 * nssSlot_GetModule
 * nssSlot_GetToken
 * nssSlot_Login
 * nssSlot_Logout
 * nssSlot_SetPassword
 * nssSlot_CreateSession
 */

NSS_EXTERN PRStatus
nssSlot_Destroy
(
  NSSSlot *slot
);

NSS_EXTERN NSSSlot *
nssSlot_AddRef
(
  NSSSlot *slot
);

NSS_EXTERN void
nssSlot_ResetDelay
(
  NSSSlot *slot
);

NSS_EXTERN NSSUTF8 *
nssSlot_GetName
(
  NSSSlot *slot
);

NSS_EXTERN NSSUTF8 *
nssSlot_GetTokenName
(
  NSSSlot *slot
);

NSS_EXTERN NSSModule *
nssSlot_GetModule
(
  NSSSlot *slot
);

NSS_EXTERN NSSToken *
nssSlot_GetToken
(
  NSSSlot *slot
);

NSS_EXTERN PRBool
nssSlot_IsTokenPresent
(
  NSSSlot *slot
);

NSS_EXTERN PRBool
nssSlot_IsPermanent
(
  NSSSlot *slot
);

NSS_EXTERN PRBool
nssSlot_IsFriendly
(
  NSSSlot *slot
);

NSS_EXTERN PRBool
nssSlot_IsHardware
(
  NSSSlot *slot
);

NSS_EXTERN PRBool
nssSlot_IsLoggedIn
(
  NSSSlot *slot
);

NSS_EXTERN PRStatus
nssSlot_Refresh
(
  NSSSlot *slot
);

NSS_EXTERN PRStatus
nssSlot_Login
(
  NSSSlot *slot,
  NSSCallback *pwcb
);
extern const NSSError NSS_ERROR_INVALID_PASSWORD;
extern const NSSError NSS_ERROR_USER_CANCELED;

NSS_EXTERN PRStatus
nssSlot_Logout
(
  NSSSlot *slot,
  nssSession *sessionOpt
);

NSS_EXTERN void
nssSlot_EnterMonitor
(
  NSSSlot *slot
);

NSS_EXTERN void
nssSlot_ExitMonitor
(
  NSSSlot *slot
);

#define NSSSLOT_ASK_PASSWORD_FIRST_TIME -1
#define NSSSLOT_ASK_PASSWORD_EVERY_TIME  0
NSS_EXTERN void
nssSlot_SetPasswordDefaults
(
  NSSSlot *slot,
  PRInt32 askPasswordTimeout
);

NSS_EXTERN PRStatus
nssSlot_SetPassword
(
  NSSSlot *slot,
  NSSUTF8 *oldPasswordOpt,
  NSSUTF8 *newPassword
);
extern const NSSError NSS_ERROR_INVALID_PASSWORD;
extern const NSSError NSS_ERROR_USER_CANCELED;

/*
 * nssSlot_IsLoggedIn
 */

NSS_EXTERN nssSession *
nssSlot_CreateSession
(
  NSSSlot *slot,
  NSSArena *arenaOpt,
  PRBool readWrite /* so far, this is the only flag used */
);

/* NSSToken
 *
 * nssToken_Destroy
 * nssToken_AddRef
 * nssToken_GetName
 * nssToken_GetModule
 * nssToken_GetSlot
 * nssToken_NeedsPINInitialization
 * nssToken_ImportCertificate
 * nssToken_ImportTrust
 * nssToken_ImportCRL
 * nssToken_GenerateKeyPair
 * nssToken_GenerateSymmetricKey
 * nssToken_DeleteStoredObject
 * nssToken_FindCertificates
 * nssToken_FindCertificatesBySubject
 * nssToken_FindCertificatesByNickname
 * nssToken_FindCertificatesByEmail
 * nssToken_FindCertificateByIssuerAndSerialNumber
 * nssToken_FindCertificateByEncodedCertificate
 * nssToken_FindTrustObjects
 * nssToken_FindTrustForCertificate
 * nssToken_FindCRLs
 * nssToken_FindCRLsBySubject
 * nssToken_FindPrivateKeys
 * nssToken_FindPrivateKeyByID
 * nssToken_Digest
 * nssToken_BeginDigest
 * nssToken_ContinueDigest
 * nssToken_FinishDigest
 */

NSS_EXTERN PRStatus
nssToken_Destroy
(
  NSSToken *tok
);

NSS_EXTERN NSSToken *
nssToken_AddRef
(
  NSSToken *tok
);

NSS_EXTERN NSSUTF8 *
nssToken_GetName
(
  NSSToken *tok
);

NSS_EXTERN NSSModule *
nssToken_GetModule
(
  NSSToken *token
);

NSS_EXTERN NSSSlot *
nssToken_GetSlot
(
  NSSToken *tok
);

NSS_EXTERN PRBool
nssToken_NeedsPINInitialization
(
  NSSToken *token
);

NSS_EXTERN nssCryptokiObject *
nssToken_ImportCertificate
(
  NSSToken *tok,
  nssSession *sessionOpt,
  NSSCertificateType certType,
  NSSItem *id,
  NSSUTF8 *nickname,
  NSSDER *encoding,
  NSSDER *issuer,
  NSSDER *subject,
  NSSDER *serial,
  NSSASCII7 *emailAddr,
  PRBool asTokenObject
);

NSS_EXTERN nssCryptokiObject *
nssToken_ImportTrust
(
  NSSToken *tok,
  nssSession *sessionOpt,
  NSSDER *certEncoding,
  NSSDER *certIssuer,
  NSSDER *certSerial,
  nssTrustLevel serverAuth,
  nssTrustLevel clientAuth,
  nssTrustLevel codeSigning,
  nssTrustLevel emailProtection,
  PRBool stepUpApproved,
  PRBool asTokenObject
);

NSS_EXTERN nssCryptokiObject *
nssToken_ImportCRL
(
  NSSToken *token,
  nssSession *sessionOpt,
  NSSDER *subject,
  NSSDER *encoding,
  PRBool isKRL,
  NSSUTF8 *url,
  PRBool asTokenObject
);

/* Permanently remove an object from the token. */
NSS_EXTERN PRStatus
nssToken_DeleteStoredObject
(
  nssCryptokiObject *instance
);

NSS_EXTERN nssCryptokiObject **
nssToken_FindCertificates
(
  NSSToken *token,
  nssSession *sessionOpt,
  nssTokenSearchType searchType,
  PRUint32 maximumOpt,
  PRStatus *statusOpt
);

NSS_EXTERN nssCryptokiObject **
nssToken_FindCertificatesBySubject
(
  NSSToken *token,
  nssSession *sessionOpt,
  NSSDER *subject,
  nssTokenSearchType searchType,
  PRUint32 maximumOpt,
  PRStatus *statusOpt
);

NSS_EXTERN nssCryptokiObject **
nssToken_FindCertificatesByNickname
(
  NSSToken *token,
  nssSession *sessionOpt,
  NSSUTF8 *name,
  nssTokenSearchType searchType,
  PRUint32 maximumOpt,
  PRStatus *statusOpt
);

NSS_EXTERN nssCryptokiObject **
nssToken_FindCertificatesByEmail
(
  NSSToken *token,
  nssSession *sessionOpt,
  NSSASCII7 *email,
  nssTokenSearchType searchType,
  PRUint32 maximumOpt,
  PRStatus *statusOpt
);

NSS_EXTERN nssCryptokiObject **
nssToken_FindCertificatesByID
(
  NSSToken *token,
  nssSession *sessionOpt,
  NSSItem *id,
  nssTokenSearchType searchType,
  PRUint32 maximumOpt,
  PRStatus *statusOpt
);

NSS_EXTERN nssCryptokiObject *
nssToken_FindCertificateByIssuerAndSerialNumber
(
  NSSToken *token,
  nssSession *sessionOpt,
  NSSDER *issuer,
  NSSDER *serial,
  nssTokenSearchType searchType,
  PRStatus *statusOpt
);

NSS_EXTERN nssCryptokiObject *
nssToken_FindCertificateByEncodedCertificate
(
  NSSToken *token,
  nssSession *sessionOpt,
  NSSBER *encodedCertificate,
  nssTokenSearchType searchType,
  PRStatus *statusOpt
);

NSS_EXTERN nssCryptokiObject **
nssToken_FindTrustObjects
(
  NSSToken *token,
  nssSession *sessionOpt,
  nssTokenSearchType searchType,
  PRUint32 maximumOpt,
  PRStatus *statusOpt
);

NSS_EXTERN nssCryptokiObject *
nssToken_FindTrustForCertificate
(
  NSSToken *token,
  nssSession *sessionOpt,
  NSSDER *certEncoding,
  NSSDER *certIssuer,
  NSSDER *certSerial,
  nssTokenSearchType searchType
);

NSS_EXTERN nssCryptokiObject **
nssToken_FindCRLs
(
  NSSToken *token,
  nssSession *sessionOpt,
  nssTokenSearchType searchType,
  PRUint32 maximumOpt,
  PRStatus *statusOpt
);

NSS_EXTERN nssCryptokiObject **
nssToken_FindCRLsBySubject
(
  NSSToken *token,
  nssSession *sessionOpt,
  NSSDER *subject,
  nssTokenSearchType searchType,
  PRUint32 maximumOpt,
  PRStatus *statusOpt
);

NSS_EXTERN nssCryptokiObject **
nssToken_FindPrivateKeys
(
  NSSToken *token,
  nssSession *sessionOpt,
  nssTokenSearchType searchType,
  PRUint32 maximumOpt,
  PRStatus *statusOpt
);

NSS_EXTERN nssCryptokiObject *
nssToken_FindPrivateKeyByID
(
  NSSToken *token,
  nssSession *sessionOpt,
  NSSItem *keyID
);

NSS_EXTERN nssCryptokiObject *
nssToken_FindPublicKeyByID
(
  NSSToken *token,
  nssSession *sessionOpt,
  NSSItem *keyID
);

NSS_EXTERN NSSItem *
nssToken_Digest
(
  NSSToken *tok,
  nssSession *sessionOpt,
  NSSAlgorithmAndParameters *ap,
  NSSItem *data,
  NSSItem *rvOpt,
  NSSArena *arenaOpt
);

NSS_EXTERN PRStatus
nssToken_BeginDigest
(
  NSSToken *tok,
  nssSession *sessionOpt,
  NSSAlgorithmAndParameters *ap
);

NSS_EXTERN PRStatus
nssToken_ContinueDigest
(
  NSSToken *tok,
  nssSession *sessionOpt,
  NSSItem *item
);

NSS_EXTERN NSSItem *
nssToken_FinishDigest
(
  NSSToken *tok,
  nssSession *sessionOpt,
  NSSItem *rvOpt,
  NSSArena *arenaOpt
);

/* nssSession
 *
 * nssSession_Destroy
 * nssSession_EnterMonitor
 * nssSession_ExitMonitor
 * nssSession_IsReadWrite
 */

NSS_EXTERN PRStatus
nssSession_Destroy
(
  nssSession *s
);

/* would like to inline */
NSS_EXTERN PRStatus
nssSession_EnterMonitor
(
  nssSession *s
);

/* would like to inline */
NSS_EXTERN PRStatus
nssSession_ExitMonitor
(
  nssSession *s
);

/* would like to inline */
NSS_EXTERN PRBool
nssSession_IsReadWrite
(
  nssSession *s
);

/* nssCryptokiObject
 *
 * An object living on a cryptoki token.
 * Not really proper to mix up the object types just because 
 * nssCryptokiObject itself is generic, but doing so anyway.
 *
 * nssCryptokiObject_Destroy
 * nssCryptokiObject_Equal
 * nssCryptokiObject_Clone
 * nssCryptokiCertificate_GetAttributes
 * nssCryptokiPrivateKey_GetAttributes
 * nssCryptokiPublicKey_GetAttributes
 * nssCryptokiTrust_GetAttributes
 * nssCryptokiCRL_GetAttributes
 */

NSS_EXTERN void
nssCryptokiObject_Destroy
(
  nssCryptokiObject *object
);

NSS_EXTERN PRBool
nssCryptokiObject_Equal
(
  nssCryptokiObject *object1,
  nssCryptokiObject *object2
);

NSS_EXTERN nssCryptokiObject *
nssCryptokiObject_Clone
(
  nssCryptokiObject *object
);

NSS_EXTERN PRStatus
nssCryptokiCertificate_GetAttributes
(
  nssCryptokiObject *object,
  nssSession *sessionOpt,
  NSSArena *arenaOpt,
  NSSCertificateType *certTypeOpt,
  NSSItem *idOpt,
  NSSDER *encodingOpt,
  NSSDER *issuerOpt,
  NSSDER *serialOpt,
  NSSDER *subjectOpt
);

NSS_EXTERN PRStatus
nssCryptokiTrust_GetAttributes
(
  nssCryptokiObject *trustObject,
  nssSession *sessionOpt,
  NSSItem *sha1_hash,
  nssTrustLevel *serverAuth,
  nssTrustLevel *clientAuth,
  nssTrustLevel *codeSigning,
  nssTrustLevel *emailProtection,
  PRBool *stepUpApproved
);

NSS_EXTERN PRStatus
nssCryptokiCRL_GetAttributes
(
  nssCryptokiObject *crlObject,
  nssSession *sessionOpt,
  NSSArena *arenaOpt,
  NSSItem *encodingOpt,
  NSSItem * subjectOpt,
  CK_ULONG * crl_class,
  NSSUTF8 **urlOpt,
  PRBool *isKRLOpt
);

/* I'm including this to handle import of certificates in NSS 3.5.  This
 * function will set the cert-related attributes of a key, in order to
 * associate it with a cert.  Does it stay like this for 4.0?
 */
NSS_EXTERN PRStatus
nssCryptokiPrivateKey_SetCertificate
(
  nssCryptokiObject *keyObject,
  nssSession *sessionOpt,
  NSSUTF8 *nickname,
  NSSItem *id,
  NSSDER *subject
);

NSS_EXTERN void
nssModuleArray_Destroy
(
  NSSModule **modules
);

/* nssSlotArray
 *
 * nssSlotArray_Destroy
 */

NSS_EXTERN void
nssSlotArray_Destroy
(
  NSSSlot **slots
);

/* nssTokenArray
 *
 * nssTokenArray_Destroy
 */

NSS_EXTERN void
nssTokenArray_Destroy
(
  NSSToken **tokens
);

/* nssCryptokiObjectArray
 *
 * nssCryptokiObjectArray_Destroy
 */
NSS_EXTERN void
nssCryptokiObjectArray_Destroy
(
  nssCryptokiObject **object
);

/* nssSlotList
*
 * An ordered list of slots.  The order can be anything, it is set in the
 * Add methods.  Perhaps it should be CreateInCertOrder, ...?
 *
 * nssSlotList_Create
 * nssSlotList_Destroy
 * nssSlotList_Add
 * nssSlotList_AddModuleSlots
 * nssSlotList_GetSlots
 * nssSlotList_FindSlotByName
 * nssSlotList_FindTokenByName
 * nssSlotList_GetBestSlot
 * nssSlotList_GetBestSlotForAlgorithmAndParameters
 * nssSlotList_GetBestSlotForAlgorithmsAndParameters
 */

/* nssSlotList_Create
 */
NSS_EXTERN nssSlotList *
nssSlotList_Create
(
  NSSArena *arenaOpt
);

/* nssSlotList_Destroy
 */
NSS_EXTERN void
nssSlotList_Destroy
(
  nssSlotList *slotList
);

/* nssSlotList_Add
 *
 * Add the given slot in the given order.
 */
NSS_EXTERN PRStatus
nssSlotList_Add
(
  nssSlotList *slotList,
  NSSSlot *slot,
  PRUint32 order
);

/* nssSlotList_AddModuleSlots
 *
 * Add all slots in the module, in the given order (the slots will have
 * equal weight).
 */
NSS_EXTERN PRStatus
nssSlotList_AddModuleSlots
(
  nssSlotList *slotList,
  NSSModule *module,
  PRUint32 order
);

/* nssSlotList_GetSlots
 */
NSS_EXTERN NSSSlot **
nssSlotList_GetSlots
(
  nssSlotList *slotList
);

/* nssSlotList_FindSlotByName
 */
NSS_EXTERN NSSSlot *
nssSlotList_FindSlotByName
(
  nssSlotList *slotList,
  NSSUTF8 *slotName
);

/* nssSlotList_FindTokenByName
 */
NSS_EXTERN NSSToken *
nssSlotList_FindTokenByName
(
  nssSlotList *slotList,
  NSSUTF8 *tokenName
);

/* nssSlotList_GetBestSlot
 *
 * The best slot is the highest ranking in order, i.e., the first in the
 * list.
 */
NSS_EXTERN NSSSlot *
nssSlotList_GetBestSlot
(
  nssSlotList *slotList
);

/* nssSlotList_GetBestSlotForAlgorithmAndParameters
 *
 * Highest-ranking slot than can handle algorithm/parameters.
 */
NSS_EXTERN NSSSlot *
nssSlotList_GetBestSlotForAlgorithmAndParameters
(
  nssSlotList *slotList,
  NSSAlgorithmAndParameters *ap
);

/* nssSlotList_GetBestSlotForAlgorithmsAndParameters
 *
 * Highest-ranking slot than can handle all algorithms/parameters.
 */
NSS_EXTERN NSSSlot *
nssSlotList_GetBestSlotForAlgorithmsAndParameters
(
  nssSlotList *slotList,
  NSSAlgorithmAndParameters **ap
);

#ifdef NSS_3_4_CODE

NSS_EXTERN PRBool
nssToken_IsPresent
(
  NSSToken *token
);

NSS_EXTERN nssSession *
nssToken_GetDefaultSession
(
  NSSToken *token
);

NSS_EXTERN PRStatus
nssToken_GetTrustOrder
(
  NSSToken *tok
);

NSS_EXTERN PRStatus
nssToken_NotifyCertsNotVisible
(
  NSSToken *tok
);

NSS_EXTERN PRStatus
nssToken_TraverseCertificates
(
  NSSToken *token,
  nssSession *sessionOpt,
  nssTokenSearchType searchType,
  PRStatus (* callback)(nssCryptokiObject *instance, void *arg),
  void *arg
);

NSS_EXTERN PRBool
nssToken_IsPrivateKeyAvailable
(
  NSSToken *token,
  NSSCertificate *c,
  nssCryptokiObject *instance
);


#endif

PR_END_EXTERN_C

#endif /* DEV_H */