+++ /dev/null
-/*
- * Copyright (c) 2003-2006,2008,2010 Apple Inc. All Rights Reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- *
- * SecNssCoder.cpp: simple C++ wrapper for PLArenaPool and the
- * high-level ANS1 encode/decode routines.
- */
-
-#include <TargetConditionals.h>
-#if (TARGET_OS_MAC && !(TARGET_OS_EMBEDDED || TARGET_OS_IPHONE))
-
-#include "SecNssCoder.h"
-#include <Security/cssmerr.h>
-#include <security_utilities/utilities.h>
-#include <security_asn1/secasn1.h>
-#include <string.h>
-#include <assert.h>
-
-#ifdef NDEBUG
-#define THROW_ENABLE 1
-#else
-/* disable link against Security framework when true */
-#define THROW_ENABLE 0
-#endif
-
-#if THROW_ENABLE
-#define THROW_ERROR Security::CssmError::throwMe(CSSMERR_CSSM_MEMORY_ERROR)
-#else
-#define THROW_ERROR
-#endif
-
-SecNssCoder::SecNssCoder(PRUint32 chunkSize /* = SNC_CHUNKSIZE_DEF */)
- : mPool(NULL)
-{
- mPool = PORT_NewArena(chunkSize);
- if(mPool == NULL) {
- THROW_ERROR;
- }
-}
-
-SecNssCoder::~SecNssCoder()
-{
- if(mPool != NULL) {
- /*
- * Note: we're asking for a memory zero here, but
- * PORT_FreeArena doesn't do that (yet).
- */
- PORT_FreeArena(mPool, PR_TRUE);
- mPool = NULL;
- }
-}
-
-PRErrorCode SecNssCoder::decode(
- const void *src, // BER-encoded source
- size_t len,
- const SecAsn1Template *templ,
- void *dest)
-{
- SECStatus prtn;
-
- assert(mPool != NULL);
- prtn = SEC_ASN1Decode(mPool, dest, templ, (const char *)src, len);
- if(prtn) {
- return PR_GetError();
- }
- else {
- return 0;
- }
-}
-
-PRErrorCode SecNssCoder::encodeItem(
- const void *src,
- const SecAsn1Template *templ,
- SECItem &dest)
-{
- assert(mPool != NULL);
-
- dest.Data = NULL;
- dest.Length = 0;
-
- SECItem *rtnItem = SEC_ASN1EncodeItem(mPool, &dest, src, templ);
- if(rtnItem == NULL) {
- return PR_GetError();
- }
- else {
- return 0;
- }
-}
-
-void *SecNssCoder::malloc(size_t len)
-{
- assert(mPool != NULL);
- void *rtn = PORT_ArenaAlloc(mPool, len);
- if(rtn == NULL) {
- THROW_ERROR;
- }
- return rtn;
-}
-
-/* malloc item.Data, set item.Length */
-void SecNssCoder::allocItem(
- SECItem &item,
- size_t len)
-{
- item.Data = (uint8 *)malloc(len);
- item.Length = len;
-}
-
-/* malloc and copy */
-void SecNssCoder::allocCopyItem(
- const void *src,
- size_t len,
- SECItem &dest)
-{
- allocItem(dest, len);
- memmove(dest.Data, src, len);
-}
-
-/*
- * This is pretty much a copy of SEC_ASN1EncodeItem, with a Allocator
- * malloc replacing the sec_asn1e_allocate_item to alloc the output data.
- */
-PRErrorCode SecNssEncodeItem(
- const void *src,
- const SecAsn1Template *templ,
- Security::Allocator &alloc,
- SECItem &dest)
-{
- unsigned long encoding_length = 0;
- SECStatus rv;
-
- dest.Data = NULL;
- dest.Length = 0;
-
- rv = SEC_ASN1Encode (src, templ,
- sec_asn1e_encode_item_count, &encoding_length);
- if (rv != SECSuccess) {
- return PR_GetError();
- }
-
- /* replace this...
- dest = sec_asn1e_allocate_item (poolp, dest, encoding_length);
- if (dest == NULL)
- return NULL;
- ... with this: */
- dest.Data = (uint8 *)alloc.malloc(encoding_length);
- dest.Length = 0;
- /* end replacement */
-
- rv = SEC_ASN1Encode (src, templ, sec_asn1e_encode_item_store, &dest);
- if (rv != SECSuccess) {
- return PR_GetError();
- }
-
- assert(encoding_length == dest.Length);
- return 0;
-}
-
-PRErrorCode SecNssEncodeItemOdata(
- const void *src,
- const SecAsn1Template *templ,
- CssmOwnedData &odata)
-{
- Allocator &alloc = odata.allocator;
- SECItem sitem;
- PRErrorCode prtn;
-
- prtn = SecNssEncodeItem(src, templ, alloc, sitem);
- if(prtn) {
- return prtn;
- }
- odata.set(sitem.Data, sitem.Length);
- return 0;
-}
-
-#endif /* TARGET_OS_MAC */