--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nss/lib/dev/ckhelper.h	Mon Jul 28 10:47:06 2014 +0200
@@ -0,0 +1,157 @@
+/* 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/. */
+
+/*
+ * 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 */