gecko/security/nss/lib/dev/ckhelper.h

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2008-06-06 05:40:11 -07:00
/* ***** 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 ***** */
/*
* ckhelper.h
*
* This file contains some helper utilities for interaction with cryptoki.
*/
#ifndef CKHELPER_H
#define CKHELPER_H
#ifdef DEBUG
static const char CKHELPER_CVS_ID[] = "@(#) $RCSfile: ckhelper.h,v $ $Revision: 1.20 $ $Date: 2010/01/08 02:00:58 $";
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#endif /* DEBUG */
PR_BEGIN_EXTERN_C
/* Some globals to keep from constantly redeclaring common cryptoki
* attribute types on the stack.
*/
/* Boolean values */
NSS_EXTERN_DATA const NSSItem g_ck_true;
NSS_EXTERN_DATA const NSSItem g_ck_false;
/* Object classes */
NSS_EXTERN_DATA const NSSItem g_ck_class_cert;
NSS_EXTERN_DATA const NSSItem g_ck_class_pubkey;
NSS_EXTERN_DATA const NSSItem g_ck_class_privkey;
#define NSS_CK_TEMPLATE_START(_template, attr, size) \
attr = _template; \
size = 0;
#define NSS_CK_SET_ATTRIBUTE_ITEM(pattr, kind, item) \
(pattr)->type = kind; \
(pattr)->pValue = (CK_VOID_PTR)(item)->data; \
(pattr)->ulValueLen = (CK_ULONG)(item)->size; \
(pattr)++;
#define NSS_CK_SET_ATTRIBUTE_UTF8(pattr, kind, utf8) \
(pattr)->type = kind; \
(pattr)->pValue = (CK_VOID_PTR)utf8; \
(pattr)->ulValueLen = (CK_ULONG)nssUTF8_Size(utf8, NULL); \
if ((pattr)->ulValueLen) ((pattr)->ulValueLen)--; \
(pattr)++;
#define NSS_CK_SET_ATTRIBUTE_VAR(pattr, kind, var) \
(pattr)->type = kind; \
(pattr)->pValue = (CK_VOID_PTR)&var; \
(pattr)->ulValueLen = (CK_ULONG)sizeof(var); \
(pattr)++;
#define NSS_CK_SET_ATTRIBUTE_NULL(pattr, kind) \
(pattr)->type = kind; \
(pattr)->pValue = (CK_VOID_PTR)NULL; \
(pattr)->ulValueLen = 0; \
(pattr)++;
#define NSS_CK_TEMPLATE_FINISH(_template, attr, size) \
size = (attr) - (_template); \
PR_ASSERT(size <= sizeof(_template)/sizeof(_template[0]));
/* NSS_CK_ATTRIBUTE_TO_ITEM(attrib, item)
*
* Convert a CK_ATTRIBUTE to an NSSItem.
*/
#define NSS_CK_ATTRIBUTE_TO_ITEM(attrib, item) \
if ((CK_LONG)(attrib)->ulValueLen > 0) { \
(item)->data = (void *)(attrib)->pValue; \
(item)->size = (PRUint32)(attrib)->ulValueLen; \
} else { \
(item)->data = 0; \
(item)->size = 0; \
}
#define NSS_CK_ATTRIBUTE_TO_BOOL(attrib, boolvar) \
if ((attrib)->ulValueLen > 0) { \
if (*((CK_BBOOL*)(attrib)->pValue) == CK_TRUE) { \
boolvar = PR_TRUE; \
} else { \
boolvar = PR_FALSE; \
} \
}
#define NSS_CK_ATTRIBUTE_TO_ULONG(attrib, ulongvar) \
if ((attrib)->ulValueLen > 0) { \
ulongvar = *((CK_ULONG*)(attrib)->pValue); \
}
/* NSS_CK_ATTRIBUTE_TO_UTF8(attrib, str)
*
* Convert a CK_ATTRIBUTE to a string.
*/
#define NSS_CK_ATTRIBUTE_TO_UTF8(attrib, str) \
str = (NSSUTF8 *)((attrib)->pValue);
/* NSS_CK_ITEM_TO_ATTRIBUTE(item, attrib)
*
* Convert an NSSItem to a CK_ATTRIBUTE.
*/
#define NSS_CK_ITEM_TO_ATTRIBUTE(item, attrib) \
(attrib)->pValue = (CK_VOID_PTR)(item)->data; \
(attrib)->ulValueLen = (CK_ULONG)(item)->size; \
/* Get an array of attributes from an object. */
NSS_EXTERN PRStatus
nssCKObject_GetAttributes
(
CK_OBJECT_HANDLE object,
CK_ATTRIBUTE_PTR obj_template,
CK_ULONG count,
NSSArena *arenaOpt,
nssSession *session,
NSSSlot *slot
);
/* Get a single attribute as an item. */
NSS_EXTERN PRStatus
nssCKObject_GetAttributeItem
(
CK_OBJECT_HANDLE object,
CK_ATTRIBUTE_TYPE attribute,
NSSArena *arenaOpt,
nssSession *session,
NSSSlot *slot,
NSSItem *rvItem
);
NSS_EXTERN PRBool
nssCKObject_IsAttributeTrue
(
CK_OBJECT_HANDLE object,
CK_ATTRIBUTE_TYPE attribute,
nssSession *session,
NSSSlot *slot,
PRStatus *rvStatus
);
NSS_EXTERN PRStatus
nssCKObject_SetAttributes
(
CK_OBJECT_HANDLE object,
CK_ATTRIBUTE_PTR obj_template,
CK_ULONG count,
nssSession *session,
NSSSlot *slot
);
NSS_EXTERN PRBool
nssCKObject_IsTokenObjectTemplate
(
CK_ATTRIBUTE_PTR objectTemplate,
CK_ULONG otsize
);
PR_END_EXTERN_C
#endif /* CKHELPER_H */