reflcnst.hxx

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * 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/. * * This file incorporates work covered by the following license notice: * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 . */ #pragma once #include <registry/types.hxx> #include <string.h> #define REGTYPE_IEEE_NATIVE 1 extern const sal_uInt32 magic; extern const sal_uInt16 minorVersion; extern const sal_uInt16 majorVersion; #define OFFSET_MAGIC 0 #define OFFSET_SIZE static_cast<sal_uInt32>(OFFSET_MAGIC + sizeof(magic)) #define OFFSET_MINOR_VERSION static_cast<sal_uInt32>(OFFSET_SIZE + sizeof(sal_uInt32)) #define OFFSET_MAJOR_VERSION static_cast<sal_uInt32>(OFFSET_MINOR_VERSION + sizeof(minorVersion)) #define OFFSET_N_ENTRIES static_cast<sal_uInt32>(OFFSET_MAJOR_VERSION + sizeof(majorVersion)) #define OFFSET_TYPE_SOURCE static_cast<sal_uInt32>(OFFSET_N_ENTRIES + sizeof(sal_uInt16)) #define OFFSET_TYPE_CLASS static_cast<sal_uInt32>(OFFSET_TYPE_SOURCE + sizeof(sal_uInt16)) #define OFFSET_THIS_TYPE static_cast<sal_uInt32>(OFFSET_TYPE_CLASS + sizeof(sal_uInt16)) #define OFFSET_UIK static_cast<sal_uInt32>(OFFSET_THIS_TYPE + sizeof(sal_uInt16)) #define OFFSET_DOKU static_cast<sal_uInt32>(OFFSET_UIK + sizeof(sal_uInt16)) #define OFFSET_FILENAME static_cast<sal_uInt32>(OFFSET_DOKU + sizeof(sal_uInt16)) #define OFFSET_N_SUPERTYPES static_cast<sal_uInt32>(OFFSET_FILENAME + sizeof(sal_uInt16)) #define OFFSET_SUPERTYPES static_cast<sal_uInt32>(OFFSET_N_SUPERTYPES + sizeof(sal_uInt16)) #define OFFSET_CP_SIZE static_cast<sal_uInt32>(OFFSET_SUPERTYPES + sizeof(sal_uInt16)) #define OFFSET_CP static_cast<sal_uInt32>(OFFSET_CP_SIZE + sizeof(sal_uInt16)) #define CP_OFFSET_ENTRY_SIZE 0 #define CP_OFFSET_ENTRY_TAG static_cast<sal_uInt32>(CP_OFFSET_ENTRY_SIZE + sizeof(sal_uInt32)) #define CP_OFFSET_ENTRY_DATA static_cast<sal_uInt32>(CP_OFFSET_ENTRY_TAG + sizeof(sal_uInt16)) #define FIELD_OFFSET_ACCESS 0 #define FIELD_OFFSET_NAME static_cast<sal_uInt32>(FIELD_OFFSET_ACCESS + sizeof(sal_uInt16)) #define FIELD_OFFSET_TYPE static_cast<sal_uInt32>(FIELD_OFFSET_NAME + sizeof(sal_uInt16)) #define FIELD_OFFSET_VALUE static_cast<sal_uInt32>(FIELD_OFFSET_TYPE + sizeof(sal_uInt16)) #define FIELD_OFFSET_DOKU static_cast<sal_uInt32>(FIELD_OFFSET_VALUE + sizeof(sal_uInt16)) #define FIELD_OFFSET_FILENAME static_cast<sal_uInt32>(FIELD_OFFSET_DOKU + sizeof(sal_uInt16)) #define PARAM_OFFSET_TYPE 0 #define PARAM_OFFSET_MODE static_cast<sal_uInt32>(PARAM_OFFSET_TYPE + sizeof(sal_uInt16)) #define PARAM_OFFSET_NAME static_cast<sal_uInt32>(PARAM_OFFSET_MODE + sizeof(sal_uInt16)) #define METHOD_OFFSET_SIZE 0 #define METHOD_OFFSET_MODE static_cast<sal_uInt32>(METHOD_OFFSET_SIZE + sizeof(sal_uInt16)) #define METHOD_OFFSET_NAME static_cast<sal_uInt32>(METHOD_OFFSET_MODE + sizeof(sal_uInt16)) #define METHOD_OFFSET_RETURN static_cast<sal_uInt32>(METHOD_OFFSET_NAME + sizeof(sal_uInt16)) #define METHOD_OFFSET_DOKU static_cast<sal_uInt32>(METHOD_OFFSET_RETURN + sizeof(sal_uInt16)) #define METHOD_OFFSET_PARAM_COUNT static_cast<sal_uInt32>(METHOD_OFFSET_DOKU + sizeof(sal_uInt16)) #define REFERENCE_OFFSET_TYPE 0 #define REFERENCE_OFFSET_NAME static_cast<sal_uInt32>(REFERENCE_OFFSET_TYPE + sizeof(sal_uInt16)) #define REFERENCE_OFFSET_DOKU static_cast<sal_uInt32>(REFERENCE_OFFSET_NAME + sizeof(sal_uInt16)) #define REFERENCE_OFFSET_ACCESS static_cast<sal_uInt32>(REFERENCE_OFFSET_DOKU + sizeof(sal_uInt16)) enum CPInfoTag { CP_TAG_INVALID = RT_TYPE_NONE, CP_TAG_CONST_BOOL = RT_TYPE_BOOL, CP_TAG_CONST_BYTE = RT_TYPE_BYTE, CP_TAG_CONST_INT16 = RT_TYPE_INT16, CP_TAG_CONST_UINT16 = RT_TYPE_UINT16, CP_TAG_CONST_INT32 = RT_TYPE_INT32, CP_TAG_CONST_UINT32 = RT_TYPE_UINT32, CP_TAG_CONST_INT64 = RT_TYPE_INT64, CP_TAG_CONST_UINT64 = RT_TYPE_UINT64, CP_TAG_CONST_FLOAT = RT_TYPE_FLOAT, CP_TAG_CONST_DOUBLE = RT_TYPE_DOUBLE, CP_TAG_CONST_STRING = RT_TYPE_STRING, CP_TAG_UTF8_NAME }; inline sal_uInt32 writeUINT16(sal_uInt8* buffer, sal_uInt16 v) { buffer[0] = static_cast<sal_uInt8>((v >> 8) & 0xFF); buffer[1] = static_cast<sal_uInt8>((v >> 0) & 0xFF); return sizeof(sal_uInt16); } inline sal_uInt32 readUINT16(const sal_uInt8* buffer, sal_uInt16& v) { //This is untainted data which comes from a controlled source //so, using a byte-swapping pattern which coverity doesn't //detect as such //http://security.coverity.com/blog/2014/Apr/on-detecting-heartbleed-with-static-analysis.html v = *buffer++; v <<= 8; v |= *buffer; return sizeof(sal_uInt16); } inline sal_uInt32 writeINT32(sal_uInt8* buffer, sal_Int32 v) { buffer[0] = static_cast<sal_uInt8>((v >> 24) & 0xFF); buffer[1] = static_cast<sal_uInt8>((v >> 16) & 0xFF); buffer[2] = static_cast<sal_uInt8>((v >> 8) & 0xFF); buffer[3] = static_cast<sal_uInt8>((v >> 0) & 0xFF); return sizeof(sal_Int32); } inline sal_uInt32 readINT32(const sal_uInt8* buffer, sal_Int32& v) { v = ( (buffer[0] << 24) | (buffer[1] << 16) | (buffer[2] << 8) | (buffer[3] << 0) ); return sizeof(sal_Int32); } inline sal_uInt32 writeUINT32(sal_uInt8* buffer, sal_uInt32 v) { buffer[0] = static_cast<sal_uInt8>((v >> 24) & 0xFF); buffer[1] = static_cast<sal_uInt8>((v >> 16) & 0xFF); buffer[2] = static_cast<sal_uInt8>((v >> 8) & 0xFF); buffer[3] = static_cast<sal_uInt8>((v >> 0) & 0xFF); return sizeof(sal_uInt32); } inline sal_uInt32 readUINT32(const sal_uInt8* buffer, sal_uInt32& v) { //This is untainted data which comes from a controlled source //so, using a byte-swapping pattern which coverity doesn't //detect as such //http://security.coverity.com/blog/2014/Apr/on-detecting-heartbleed-with-static-analysis.html v = *buffer++; v <<= 8; v |= *buffer++; v <<= 8; v |= *buffer++; v <<= 8; v |= *buffer; return sizeof(sal_uInt32); } inline sal_uInt32 writeUtf8(sal_uInt8* buffer, const char* v) { sal_uInt32 size = strlen(v) + 1; memcpy(buffer, v, size); return size; } inline sal_uInt32 readUtf8(const sal_uInt8* buffer, char* v, sal_uInt32 maxSize) { sal_uInt32 size = strlen(reinterpret_cast<const char*>(buffer)) + 1; if(size > maxSize) { size = maxSize; } memcpy(v, buffer, size); if (size == maxSize) v[size - 1] = '\0'; return size; } sal_uInt32 writeString(sal_uInt8* buffer, const sal_Unicode* v); sal_uInt32 readString(const sal_uInt8* buffer, sal_Unicode* v, sal_uInt32 maxSize); sal_uInt32 UINT16StringLen(const sal_uInt8* wstring); /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

↑ V522 Dereferencing of the null pointer 'v' might take place. The potential null pointer is passed into 'readUtf8' function. Inspect the second argument. Check lines: 'reflcnst.hxx:175', 'keyimpl.cxx:744', 'keyimpl.cxx:743'.