293 lines
7.8 KiB
C
293 lines
7.8 KiB
C
/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is the Netscape security libraries.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1994-2000 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the
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* terms of the GNU General Public License Version 2 or later (the
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* "GPL"), in which case the provisions of the GPL are applicable
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* instead of those above. If you wish to allow use of your
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* version of this file only under the terms of the GPL and not to
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* allow others to use your version of this file under the MPL,
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* indicate your decision by deleting the provisions above and
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* replace them with the notice and other provisions required by
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* the GPL. If you do not delete the provisions above, a recipient
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* may use your version of this file under either the MPL or the
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* GPL.
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*/
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#ifdef DEBUG
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static const char CVS_ID[] = "@(#) $RCSfile: ckhelper.c,v $ $Revision: 1.17 $ $Date: 2002-03-15 19:51:27 $ $Name: not supported by cvs2svn $";
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#endif /* DEBUG */
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#ifndef DEV_H
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#include "dev.h"
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#endif /* DEV_H */
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#ifdef NSS_3_4_CODE
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#include "pkcs11.h"
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#else
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#ifndef NSSCKEPV_H
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#include "nssckepv.h"
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#endif /* NSSCKEPV_H */
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#endif /* NSS_3_4_CODE */
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#ifndef CKHELPER_H
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#include "ckhelper.h"
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#endif /* CKHELPER_H */
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#ifndef BASE_H
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#include "base.h"
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#endif /* BASE_H */
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static const CK_BBOOL s_true = CK_TRUE;
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NSS_IMPLEMENT_DATA const NSSItem
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g_ck_true = { (CK_VOID_PTR)&s_true, sizeof(s_true) };
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static const CK_BBOOL s_false = CK_FALSE;
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NSS_IMPLEMENT_DATA const NSSItem
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g_ck_false = { (CK_VOID_PTR)&s_false, sizeof(s_false) };
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static const CK_OBJECT_CLASS s_class_cert = CKO_CERTIFICATE;
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NSS_IMPLEMENT_DATA const NSSItem
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g_ck_class_cert = { (CK_VOID_PTR)&s_class_cert, sizeof(s_class_cert) };
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static const CK_OBJECT_CLASS s_class_pubkey = CKO_PUBLIC_KEY;
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NSS_IMPLEMENT_DATA const NSSItem
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g_ck_class_pubkey = { (CK_VOID_PTR)&s_class_pubkey, sizeof(s_class_pubkey) };
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static const CK_OBJECT_CLASS s_class_privkey = CKO_PRIVATE_KEY;
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NSS_IMPLEMENT_DATA const NSSItem
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g_ck_class_privkey = { (CK_VOID_PTR)&s_class_privkey, sizeof(s_class_privkey) };
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static PRBool
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is_string_attribute
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(
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CK_ATTRIBUTE_TYPE aType
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)
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{
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PRBool isString;
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switch (aType) {
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case CKA_LABEL:
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case CKA_NETSCAPE_EMAIL:
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isString = PR_TRUE;
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break;
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default:
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isString = PR_FALSE;
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break;
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}
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return isString;
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}
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NSS_IMPLEMENT PRStatus
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nssCKObject_GetAttributes
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(
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CK_OBJECT_HANDLE object,
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CK_ATTRIBUTE_PTR obj_template,
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CK_ULONG count,
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NSSArena *arenaOpt,
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nssSession *session,
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NSSSlot *slot
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)
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{
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nssArenaMark *mark = NULL;
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CK_SESSION_HANDLE hSession;
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CK_ULONG i = 0;
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CK_RV ckrv;
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PRStatus nssrv;
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PRBool alloced = PR_FALSE;
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hSession = session->handle;
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if (arenaOpt) {
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mark = nssArena_Mark(arenaOpt);
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if (!mark) {
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goto loser;
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}
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}
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nssSession_EnterMonitor(session);
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/* XXX kinda hacky, if the storage size is already in the first template
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* item, then skip the alloc portion
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*/
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if (obj_template[0].ulValueLen == 0) {
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/* Get the storage size needed for each attribute */
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ckrv = CKAPI(slot)->C_GetAttributeValue(hSession,
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object, obj_template, count);
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if (ckrv != CKR_OK &&
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ckrv != CKR_ATTRIBUTE_TYPE_INVALID &&
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ckrv != CKR_ATTRIBUTE_SENSITIVE)
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{
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nssSession_ExitMonitor(session);
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/* set an error here */
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goto loser;
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}
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/* Allocate memory for each attribute. */
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for (i=0; i<count; i++) {
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CK_ULONG ulValueLen = obj_template[i].ulValueLen;
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if (ulValueLen == 0) continue;
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if (ulValueLen == (CK_ULONG) -1) {
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obj_template[i].ulValueLen = 0;
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continue;
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}
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if (is_string_attribute(obj_template[i].type)) {
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ulValueLen++;
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}
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obj_template[i].pValue = nss_ZAlloc(arenaOpt, ulValueLen);
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if (!obj_template[i].pValue) {
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nssSession_ExitMonitor(session);
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goto loser;
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}
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}
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alloced = PR_TRUE;
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}
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/* Obtain the actual attribute values. */
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ckrv = CKAPI(slot)->C_GetAttributeValue(hSession,
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object, obj_template, count);
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nssSession_ExitMonitor(session);
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if (ckrv != CKR_OK &&
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ckrv != CKR_ATTRIBUTE_TYPE_INVALID &&
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ckrv != CKR_ATTRIBUTE_SENSITIVE)
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{
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/* set an error here */
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goto loser;
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}
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if (alloced && arenaOpt) {
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nssrv = nssArena_Unmark(arenaOpt, mark);
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if (nssrv != PR_SUCCESS) {
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goto loser;
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}
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}
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if (count > 1 && ((ckrv == CKR_ATTRIBUTE_TYPE_INVALID) ||
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(ckrv == CKR_ATTRIBUTE_SENSITIVE))) {
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/* old tokens would keep the length of '0' and not deal with any
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* of the attributes we passed. For those tokens read them one at
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* a time */
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for (i=0; i < count; i++) {
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if (obj_template[i].ulValueLen == 0) {
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(void) nssCKObject_GetAttributes(object,&obj_template[i], 1,
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arenaOpt, session, slot);
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}
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}
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}
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return PR_SUCCESS;
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loser:
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if (alloced) {
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if (arenaOpt) {
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/* release all arena memory allocated before the failure. */
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(void)nssArena_Release(arenaOpt, mark);
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} else {
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CK_ULONG j;
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/* free each heap object that was allocated before the failure. */
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for (j=0; j<i; j++) {
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nss_ZFreeIf(obj_template[j].pValue);
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}
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}
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}
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return PR_FAILURE;
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}
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NSS_IMPLEMENT PRStatus
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nssCKObject_GetAttributeItem
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(
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CK_OBJECT_HANDLE object,
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CK_ATTRIBUTE_TYPE attribute,
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NSSArena *arenaOpt,
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nssSession *session,
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NSSSlot *slot,
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NSSItem *rvItem
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)
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{
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CK_ATTRIBUTE attr = { 0, NULL, 0 };
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PRStatus nssrv;
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attr.type = attribute;
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nssrv = nssCKObject_GetAttributes(object, &attr, 1,
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arenaOpt, session, slot);
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if (nssrv != PR_SUCCESS) {
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return nssrv;
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}
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rvItem->data = (void *)attr.pValue;
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rvItem->size = (PRUint32)attr.ulValueLen;
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return PR_SUCCESS;
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}
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NSS_IMPLEMENT PRBool
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nssCKObject_IsAttributeTrue
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(
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CK_OBJECT_HANDLE object,
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CK_ATTRIBUTE_TYPE attribute,
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nssSession *session,
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NSSSlot *slot,
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PRStatus *rvStatus
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)
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{
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CK_BBOOL bool;
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CK_ATTRIBUTE_PTR attr;
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CK_ATTRIBUTE atemplate = { 0, NULL, 0 };
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CK_RV ckrv;
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attr = &atemplate;
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NSS_CK_SET_ATTRIBUTE_VAR(attr, attribute, bool);
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nssSession_EnterMonitor(session);
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ckrv = CKAPI(slot)->C_GetAttributeValue(session->handle, object,
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&atemplate, 1);
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nssSession_ExitMonitor(session);
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if (ckrv != CKR_OK) {
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*rvStatus = PR_FAILURE;
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return PR_FALSE;
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}
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*rvStatus = PR_SUCCESS;
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return (PRBool)(bool == CK_TRUE);
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}
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NSS_IMPLEMENT PRStatus
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nssCKObject_SetAttributes
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(
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CK_OBJECT_HANDLE object,
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CK_ATTRIBUTE_PTR obj_template,
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CK_ULONG count,
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nssSession *session,
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NSSSlot *slot
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)
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{
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CK_RV ckrv;
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nssSession_EnterMonitor(session);
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ckrv = CKAPI(slot)->C_SetAttributeValue(session->handle, object,
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obj_template, count);
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nssSession_ExitMonitor(session);
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if (ckrv == CKR_OK) {
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return PR_SUCCESS;
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} else {
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return PR_FAILURE;
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}
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}
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NSS_IMPLEMENT PRBool
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nssCKObject_IsTokenObjectTemplate
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(
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CK_ATTRIBUTE_PTR objectTemplate,
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CK_ULONG otsize
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)
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{
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CK_ULONG ul;
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for (ul=0; ul<otsize; ul++) {
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if (objectTemplate[ul].type == CKA_TOKEN) {
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return (*((CK_BBOOL*)objectTemplate[ul].pValue) == CK_TRUE);
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}
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}
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return PR_FALSE;
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}
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