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/* 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
/*
* ckhelper.h
*
* This file contains some helper utilities for interaction with cryptoki.
*/
#ifndef CKHELPER_H
#define CKHELPER_H
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 */