/* 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/. */

/*

 * Internal PKCS #11 functions. Should only be called by pkcs11.c

 */

#include "pkcs11.h"

#include "lgdb.h"

#include "pcert.h"

#include "lowkeyi.h"

/*

 * remove an object.

 */

CK_RV

lg_DestroyObject(SDB *sdb, CK_OBJECT_HANDLE object_id)

{

    CK_RV crv = CKR_OK;

    SECStatus rv;

    NSSLOWCERTCertificate *cert;

    NSSLOWCERTCertTrust tmptrust;

    PRBool isKrl;

    NSSLOWKEYDBHandle *keyHandle;

    NSSLOWCERTCertDBHandle *certHandle;

    const SECItem *dbKey;

    object_id &= ~LG_TOKEN_MASK;

    dbKey = lg_lookupTokenKeyByHandle(sdb,object_id);

    if (dbKey == NULL) {

	return CKR_OBJECT_HANDLE_INVALID;

    }

    /* remove the objects from the real data base */

    switch (object_id & LG_TOKEN_TYPE_MASK) {

    case LG_TOKEN_TYPE_PRIV:

    case LG_TOKEN_TYPE_KEY:

	/* KEYID is the public KEY for DSA and DH, and the MODULUS for

	 *  RSA */

	keyHandle = lg_getKeyDB(sdb);

	if (!keyHandle) {

	    crv = CKR_TOKEN_WRITE_PROTECTED;

	    break;

	}

	rv = nsslowkey_DeleteKey(keyHandle, dbKey);

	if (rv != SECSuccess) {

	    crv = CKR_DEVICE_ERROR;

	}

	break;

    case LG_TOKEN_TYPE_PUB:

	break; /* public keys only exist at the behest of the priv key */

    case LG_TOKEN_TYPE_CERT:

	certHandle = lg_getCertDB(sdb);

	if (!certHandle) {

	    crv = CKR_TOKEN_WRITE_PROTECTED;

	    break;

	}

	cert = nsslowcert_FindCertByKey(certHandle,dbKey);

	if (cert == NULL) {

	    crv = CKR_DEVICE_ERROR;

	    break;

	}

	rv = nsslowcert_DeletePermCertificate(cert);

	if (rv != SECSuccess) {

	    crv = CKR_DEVICE_ERROR;

	}

	nsslowcert_DestroyCertificate(cert);

	break;

    case LG_TOKEN_TYPE_CRL:

	certHandle = lg_getCertDB(sdb);

	if (!certHandle) {

	    crv = CKR_TOKEN_WRITE_PROTECTED;

	    break;

	}

	isKrl = (PRBool) (object_id == LG_TOKEN_KRL_HANDLE);

	rv = nsslowcert_DeletePermCRL(certHandle, dbKey, isKrl);

	if (rv == SECFailure) crv = CKR_DEVICE_ERROR;

	break;

    case LG_TOKEN_TYPE_TRUST:

	certHandle = lg_getCertDB(sdb);

	if (!certHandle) {

	    crv = CKR_TOKEN_WRITE_PROTECTED;

	    break;

	}

	cert = nsslowcert_FindCertByKey(certHandle, dbKey);

	if (cert == NULL) {

	    crv = CKR_DEVICE_ERROR;

	    break;

	}

	tmptrust = *cert->trust;

	tmptrust.sslFlags &= CERTDB_PRESERVE_TRUST_BITS;

	tmptrust.emailFlags &= CERTDB_PRESERVE_TRUST_BITS;

	tmptrust.objectSigningFlags &= CERTDB_PRESERVE_TRUST_BITS;

	tmptrust.sslFlags |= CERTDB_TRUSTED_UNKNOWN;

	tmptrust.emailFlags |= CERTDB_TRUSTED_UNKNOWN;

	tmptrust.objectSigningFlags |= CERTDB_TRUSTED_UNKNOWN;

	rv = nsslowcert_ChangeCertTrust(certHandle, cert, &tmptrust);

	if (rv != SECSuccess) crv = CKR_DEVICE_ERROR;

	nsslowcert_DestroyCertificate(cert);

	break;

    default:

	break;

    }

    lg_DBLock(sdb);

    lg_deleteTokenKeyByHandle(sdb,object_id);

    lg_DBUnlock(sdb);

    return crv;

}