1/* 2 * Copyright (c) 2006,2011-2012,2014 Apple Inc. All Rights Reserved. 3 * 4 * @APPLE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. Please obtain a copy of the License at 10 * http://www.opensource.apple.com/apsl/ and read it before using this 11 * file. 12 * 13 * The Original Code and all software distributed under the License are 14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18 * Please see the License for the specific language governing rights and 19 * limitations under the License. 20 * 21 * @APPLE_LICENSE_HEADER_END@ 22 */ 23 24#ifndef _XDR_DLDB_H 25#define _XDR_DLDB_H 26 27#include "sec_xdr.h" 28#include "xdr_cssm.h" 29 30#include <security_cdsa_utilities/cssmdb.h> 31 32bool_t xdr_DLDbFlatIdentifier(XDR *xdrs, DataWalkers::DLDbFlatIdentifier *objp); 33bool_t xdr_DLDbFlatIdentifierRef(XDR *xdrs, DataWalkers::DLDbFlatIdentifier **objp); 34 35class CopyIn { 36 public: 37 CopyIn(const void *data, xdrproc_t proc) : mLength(0), mData(0) { 38 if (data && !::copyin(static_cast<uint8_t*>(const_cast<void *>(data)), proc, &mData, &mLength)) 39 CssmError::throwMe(CSSM_ERRCODE_MEMORY_ERROR); 40 } 41 ~CopyIn() { if (mData) free(mData); } 42 u_int length() { return mLength; } 43 void *data() { return mData; } 44 protected: 45 u_int mLength; 46 void *mData; 47}; 48 49// split out CSSM_DATA variant 50class CopyOut { 51 public: 52 // CSSM_DATA can be output only if empty, but also specify preallocated memory to use 53 CopyOut(void *copy, size_t size, xdrproc_t proc, bool dealloc = false, CSSM_DATA *in_out_data = NULL) : mLength(in_out_data?(u_int)in_out_data->Length:0), mData(NULL), mInOutData(in_out_data), mDealloc(dealloc), mSource(copy), mSourceLen(size) { 54 if (copy && size && !::copyout(copy, (u_int)size, proc, mInOutData ? reinterpret_cast<void**>(&mInOutData) : &mData, &mLength)) { 55 if (mInOutData && mInOutData->Length) // DataOut behaviour: error back to user if likely related to amount of space passed in 56 CssmError::throwMe(CSSMERR_CSP_OUTPUT_LENGTH_ERROR); 57 else 58 CssmError::throwMe(CSSM_ERRCODE_MEMORY_ERROR); 59 } 60 } 61 ~CopyOut(); 62 u_int length() { return mLength; } 63 void* data() { return mData; } 64 void* get() { void *tmp = mData; mData = NULL; return tmp; } 65 protected: 66 u_int mLength; 67 void *mData; 68 CSSM_DATA *mInOutData; 69 bool mDealloc; 70 void *mSource; 71 size_t mSourceLen; 72}; 73 74#endif /* !_XDR_AUTH_H */ 75