Code/Resource
Windows Develop
Linux-Unix program
Internet-Socket-Network
Web Server
Browser Client
Ftp Server
Ftp Client
Browser Plugins
Proxy Server
Email Server
Email Client
WEB Mail
Firewall-Security
Telnet Server
Telnet Client
ICQ-IM-Chat
Search Engine
Sniffer Package capture
Remote Control
xml-soap-webservice
P2P
WEB(ASP,PHP,...)
TCP/IP Stack
SNMP
Grid Computing
SilverLight
DNS
Cluster Service
Network Security
Communication-Mobile
Game Program
Editor
Multimedia program
Graph program
Compiler program
Compress-Decompress algrithms
Crypt_Decrypt algrithms
Mathimatics-Numerical algorithms
MultiLanguage
Disk/Storage
Java Develop
assembly language
Applications
Other systems
Database system
Embeded-SCM Develop
FlashMX/Flex
source in ebook
Delphi VCL
OS Develop
MiddleWare
MPI
MacOS develop
LabView
ELanguage
Software/Tools
E-Books
Artical/Document
hxinfcod.cpp
Package: helix.src.0812.rar [view]
Upload User: zhongxx05
Upload Date: 2007-06-06
Package Size: 33641k
Code Size: 37k
Category:
Symbian
Development Platform:
C/C++
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- /****************************************************************************
- *
- * This file contains implementation of classes that support
- * the encoding of raw bytes of upgrade negotiation messages
- * into a clear text representaion of the raw data.
- *
- */
- #include "hxinfcod.h"
- #include "hxassert.h"
- #include "hlxclib/string.h"
- //#include "hlxclib/stdio.h"
- #include "netbyte.h"
- #include "hxheap.h"
- #ifdef _DEBUG
- #undef HX_THIS_FILE
- static const char HX_THIS_FILE[] = __FILE__;
- #endif
- /////////////////////////////////////////////////////////////////////
- static UINT16 FourByteAlign(UINT16 number)
- {
- return( ((number+3)>>2)<<2 );
- }
- //*******************************************************************
- // CHXInfoEncoder
- //*******************************************************************
- // IUnknown interface listing
- BEGIN_INTERFACE_LIST(CHXInfoEncoder)
- INTERFACE_LIST_ENTRY(IID_IHXObjOutStream, IHXObjOutStream)
- END_INTERFACE_LIST
- /////////////////////////////////////////////////////////////////////
- CHXInfoEncoder::CHXInfoEncoder()
- {
- m_FinalBuffer = NULL;
- m_bFinalBufferAllocFlag = FALSE;
- m_nFinalLen = 0;
- m_nOffset = 0;
- }
- /////////////////////////////////////////////////////////////////////
- // get ptr to encoded data - either the data buffer that's been Dump()'d
- // to, or a secondary buffer where data was further encoded (ie,
- // Hex'd or perplex'd).
- STDMETHODIMP_(const char*) CHXInfoEncoder::GetBuffer()
- {
- if (m_FinalBuffer)
- return((char*)m_FinalBuffer);
- return((char*)m_Buffer.GetPtr());
- }
- /////////////////////////////////////////////////////////////////////
- STDMETHODIMP_(UINT32) CHXInfoEncoder::GetLength()
- {
- if (m_FinalBuffer)
- return(m_nFinalLen);
- return(m_nOffset);
- }
- /////////////////////////////////////////////////////////////////////
- CHXInfoEncoder::~CHXInfoEncoder()
- {
- if ( (m_bFinalBufferAllocFlag==TRUE) && (m_FinalBuffer!=NULL) )
- {
- delete [] m_FinalBuffer;
- }
- }
- /////////////////////////////////////////////////////////////////////
- void CHXInfoEncoder::EncodeObj(IHXStreamableObj* pObj)
- {
- this->Initialize();
- this->WriteObj(pObj);
- }
- /////////////////////////////////////////////////////////////////////
- void CHXInfoEncoder::PerplexEncodeObj(IHXStreamableObj* pObj)
- {
- this->Initialize();
- this->WriteObj(pObj);
- this->Perplex();
- }
- /////////////////////////////////////////////////////////////////////
- BOOL CHXInfoEncoder::Perplex()
- {
- // no data to perplex?
- if (m_nOffset==0) return(FALSE);
- // if final buffer already exists, return error.....
- // That means we already did an encoding, and the user should
- // call Initialize() before the encoder is reused.
- if (m_FinalBuffer!=NULL) return(FALSE);
- // Make sure we're 4byte aligned. Needed by Perplex alg.
- UINT32 nAlign = (m_nOffset) % sizeof(ULONG32);
- if (nAlign > 0)
- {
- m_Buffer.EnsureValidOffset(m_nOffset+sizeof(ULONG32)-nAlign);
- for (; nAlign < sizeof(ULONG32); nAlign++)
- {
- m_Buffer.SetUCHAR(m_nOffset++,0);
- }
- }
- // calc size of Perplexed buffer.
- m_nFinalLen = m_nOffset * Perplex_PER_ULONG32 / sizeof(ULONG32);
- // alloc mem for final perplexed buffer
- // Add one to length 'cause low level perplex adds
- // a '' to the resulting string
- m_bFinalBufferAllocFlag = TRUE;
- m_FinalBuffer = new UCHAR[m_nFinalLen+1];
- HX_ASSERT(m_FinalBuffer!=NULL);
- if( m_FinalBuffer==NULL)
- {
- m_nFinalLen=0;
- return(FALSE);
- }
- else
- {
- CHXInfoEncoder::DumpToPerplex((char*)m_FinalBuffer, m_nFinalLen+1, m_Buffer.GetPtr(), m_nOffset);
- }
- return(TRUE);
- }
- /////////////////////////////////////////////////////////////////////
- void CHXInfoEncoder::HexEncodeObj(IHXStreamableObj* pObj)
- {
- this->Initialize();
- this->WriteObj(pObj);
- this->Hex();
- }
- /////////////////////////////////////////////////////////////////////
- BOOL CHXInfoEncoder::Hex()
- {
- // no data to perplex?
- if (m_nOffset==0) return(FALSE);
- // if final buffer already exists, return error.....
- // That means we already did an encoding, and the user should
- // call Initialize() before the encoder is reused.
- if (m_FinalBuffer!=NULL) return(FALSE);
- // calc size of hexed buffer.
- m_nFinalLen = m_nOffset * 2;
- // alloc mem for final perplexed buffer
- m_bFinalBufferAllocFlag = TRUE;
- // Add one to length 'cause low level perplex adds
- // a '' to the resulting string
- m_FinalBuffer = new UCHAR[m_nFinalLen+1];
- HX_ASSERT(m_FinalBuffer!=NULL);
- if( m_FinalBuffer==NULL)
- {
- m_nFinalLen=0;
- return(FALSE);
- }
- else
- {
- CHXInfoEncoder::DumpToHex((char*)m_FinalBuffer, m_Buffer.GetPtr(), m_nOffset);
- }
- return(TRUE);
- }
- /////////////////////////////////////////////////////////////////////
- STDMETHODIMP CHXInfoEncoder::Initialize()
- {
- if (m_bFinalBufferAllocFlag==TRUE)
- {
- if (m_FinalBuffer!=NULL)
- delete [] m_FinalBuffer;
- }
- m_bFinalBufferAllocFlag = FALSE;
- m_FinalBuffer = NULL;
- m_nFinalLen = 0;
- m_Buffer.Free();
- m_nOffset=0;
- return(HXR_OK);
- }
- /////////////////////////////////////////////////////////////////////
- STDMETHODIMP_(UINT32) CHXInfoEncoder::WriteObj(IHXStreamableObj* pObj)
- {
- UINT32 nLen=this->GetOffset();
- if (pObj->WriteObjToBits(this)==HXR_OK)
- return this->GetOffset()-nLen;
- #if 0
- // reading object
- this->Seek(nLen);
- #endif
- return(0);
- }
- /////////////////////////////////////////////////////////////////////
- STDMETHODIMP_(UINT32) CHXInfoEncoder::WriteUCHAR(UCHAR nValue)
- {
- m_Buffer.SafeMemCopy(m_nOffset,&nValue, sizeof(nValue));
- m_nOffset += sizeof(nValue);
- return sizeof(nValue);
- }
- /////////////////////////////////////////////////////////////////////
- STDMETHODIMP_(UINT32) CHXInfoEncoder::WriteUINT16(UINT16 nValue)
- {
- UINT16 temp16 = WToNet(nValue);
- m_Buffer.SafeMemCopy(m_nOffset,&temp16, sizeof(temp16));
- m_nOffset += sizeof(temp16);
- return sizeof(temp16);
- }
- /////////////////////////////////////////////////////////////////////
- STDMETHODIMP_(UINT32) CHXInfoEncoder::WriteUINT32(UINT32 nValue)
- {
- UINT32 temp32 = DwToNet(nValue);
- m_Buffer.SafeMemCopy(m_nOffset, &temp32, sizeof(temp32));
- m_nOffset += sizeof(temp32);
- return sizeof(temp32);
- }
- /////////////////////////////////////////////////////////////////////
- // Dump at a specific position. Doesn't advance offset pointer
- STDMETHODIMP_(UINT32) CHXInfoEncoder::WriteUINT16At(UINT32 nOffset, UINT16 nValue)
- {
- UINT16 temp16 = WToNet(nValue);
- if (m_Buffer.IsValidOffset(nOffset+sizeof(temp16))==TRUE)
- {
- m_Buffer.MemCopy(nOffset,&temp16, sizeof(temp16));
- }
- return sizeof(temp16);
- }
- /////////////////////////////////////////////////////////////////////
- // Dump at a specific position. Doesn't advance offset pointer
- STDMETHODIMP_(UINT32) CHXInfoEncoder::WriteUINT32At(UINT32 nOffset, UINT32 nValue)
- {
- UINT32 temp32 = DwToNet(nValue);
- if (m_Buffer.IsValidOffset(nOffset+sizeof(temp32))==TRUE)
- {
- m_Buffer.MemCopy(nOffset, &temp32, sizeof(temp32));
- }
- return sizeof(temp32);
- }
- /////////////////////////////////////////////////////////////////////
- STDMETHODIMP_(UINT32) CHXInfoEncoder::WriteString(const char* szValue)
- {
- if (szValue==NULL)
- {
- szValue="";
- }
- UINT32 FieldLen = strlen(szValue);
- HX_ASSERT(FieldLen < 0xFF);
- // ensure the buffer has enough room for us.
- if (m_Buffer.EnsureValidOffset(m_nOffset+FieldLen+1)==TRUE)
- {
- m_Buffer.SetUCHAR(m_nOffset, (UCHAR)FieldLen );
- m_Buffer.MemCopy(m_nOffset + 1, szValue, FieldLen);
- }
- FieldLen ++; //account for first SIZE byte
- m_nOffset += FieldLen;
- return FieldLen;
- }
- /////////////////////////////////////////////////////////////////////
- // Similar to DumpString, except this one is handy when you need
- // to concat 2 or 3 strings and Dump them. Instead of allocating
- // a buffer, concating the strings and calling DumpString, use
- // this routine instead. It will take 2 or 3 strings as a parameters,
- // and dump them concatenated. The original strings are not modified.
- STDMETHODIMP_(UINT32) CHXInfoEncoder::WriteStringCat(const char* szValue1,const char* szValue2,const char* szValue3)
- {
- if (szValue1==NULL) { szValue1=""; }
- if (szValue2==NULL) { szValue2=""; }
- if (szValue3==NULL) { szValue3=""; }
- UINT16 nLen1=strlen(szValue1);
- UINT16 nLen2=strlen(szValue2);
- UINT16 nLen3=strlen(szValue3);
- UINT32 FieldLen = nLen1 + nLen2 + nLen3;
- HX_ASSERT(FieldLen < 0xFF);
- // ensure the buffer has enough room for us.
- if (m_Buffer.EnsureValidOffset(m_nOffset+FieldLen+1)==TRUE)
- {
- m_Buffer.SetUCHAR(m_nOffset, (UCHAR)FieldLen );
- m_nOffset++;
- if (nLen1)
- {
- m_Buffer.MemCopy(m_nOffset, szValue1, nLen1);
- m_nOffset+=nLen1;
- }
- if (nLen2)
- {
- m_Buffer.MemCopy(m_nOffset, szValue2, nLen2);
- m_nOffset+=nLen2;
- }
- if (nLen3)
- {
- m_Buffer.MemCopy(m_nOffset, szValue3, nLen3);
- m_nOffset+=nLen3;
- }
- }
- FieldLen ++; //account for first SIZE byte
- return FieldLen;
- }
- /////////////////////////////////////////////////////////////////////
- STDMETHODIMP_(UINT32) CHXInfoEncoder::WriteLargeString(const char* szValue)
- {
- if (szValue==NULL)
- {
- szValue="";
- }
- // get the length of the string
- UINT32 FieldLen = strlen(szValue);
- HX_ASSERT(FieldLen < 0xFFFF);
- // dump the size (this increments m_nOffset for us too)
- UINT32 nSize = WriteUINT16((UINT16)FieldLen);
- m_Buffer.SafeMemCopy(m_nOffset, szValue, FieldLen);
- m_nOffset += FieldLen;
- return (FieldLen+nSize);
- }
- /////////////////////////////////////////////////////////////////////
- STDMETHODIMP_(UINT32) CHXInfoEncoder::WriteBuffer(const char* szBuffer, UINT32 nSize)
- {
- HX_ASSERT(szBuffer!=NULL);
- if (szBuffer!=NULL)
- {
- m_Buffer.SafeMemCopy(m_nOffset, szBuffer, nSize);
- }
- m_nOffset += nSize;
- return (nSize);
- }
- #if 0
- /////////////////////////////////////////////////////////////////////
- STDMETHODIMP_(UINT32) CHXInfoEncoder::WriteUTCTime(UTCTimeRep& TimeRep)
- {
- return(this->WriteUINT32( TimeRep.asUTCTimeT() ));
- // return this->WriteString(( TimeRep.asUTCString() );
- }
- #endif
- //*******************************************************************
- // CHXInfoDecoder
- //*******************************************************************
- // IUnknown interface listing
- BEGIN_INTERFACE_LIST(CHXInfoDecoder)
- INTERFACE_LIST_ENTRY(IID_IHXObjInStream, IHXObjInStream)
- END_INTERFACE_LIST
- /////////////////////////////////////////////////////////////////////
- BOOL CHXInfoDecoder::DecodeObj(const UCHAR* buffer, UINT32 nSize, IHXStreamableObj* pObj)
- {
- HX_ASSERT(buffer!=NULL);
- if (buffer==NULL)
- {
- return(FALSE);
- }
- this->Initialize();
- // Casting away the const, so we must promise not to mess with the
- // contents...
- m_Buffer = (UCHAR *)buffer;
- m_nDecodedLen = nSize;
- // ReadObj returns 0 on failure
- return (this->ReadObj(pObj)>0);
- }
- /////////////////////////////////////////////////////////////////////
- BOOL CHXInfoDecoder::PerplexDecodeObj(const char* szPerplex, IHXStreamableObj* pObj)
- {
- if (szPerplex)
- {
- return this->PerplexDecodeObj(szPerplex,strlen(szPerplex),pObj);
- }
- return(FALSE);
- }
- /////////////////////////////////////////////////////////////////////
- // We'll unperplex the data into our own buffer, then decode the obj.
- BOOL CHXInfoDecoder::PerplexDecodeObj(const char* szPerplex, UINT32 nPlexLen, IHXStreamableObj* pObj)
- {
- UINT32 nBitLen = nPlexLen * sizeof(ULONG32) / Perplex_PER_ULONG32;
- UCHAR* Buffer = new UCHAR[nBitLen + 4];
- HX_ASSERT(Buffer!=NULL);
- if (Buffer==NULL) return(FALSE);
- UINT32 nBitLenActual = CHXInfoDecoder::SetFromPerplex(szPerplex, Buffer, nBitLen+4, nPlexLen);
- BOOL bRetVal = FALSE;
- if (nBitLenActual==nBitLen)
- {
- bRetVal = this->DecodeObj(Buffer, nBitLen, pObj);
- }
- delete [] Buffer;
- return bRetVal;
- }
- /////////////////////////////////////////////////////////////////////
- BOOL CHXInfoDecoder::HexDecodeObj(const char* szHex, IHXStreamableObj* pObj)
- {
- if (szHex)
- {
- return this->HexDecodeObj(szHex,strlen(szHex),pObj);
- }
- return(FALSE);
- }
- /////////////////////////////////////////////////////////////////////
- BOOL CHXInfoDecoder::HexDecodeObj(const char* szHex, UINT32 nHexLen, IHXStreamableObj* pObj)
- {
- UINT32 nBitLen = nHexLen>>1; // unhexed length is 1/2 of hex'd length
- UCHAR* Buffer=new UCHAR[nBitLen];
- HX_ASSERT(Buffer!=NULL);
- if (Buffer==NULL) return(FALSE);
- UINT32 nBitLenActual = CHXInfoDecoder::SetFromHex(szHex, Buffer, nHexLen);
- BOOL bRetVal = FALSE;
- if (nBitLenActual==nBitLen)
- {
- bRetVal = this->DecodeObj(Buffer,nBitLen,pObj);
- }
- delete [] Buffer;
- return bRetVal;
- }
- /////////////////////////////////////////////////////////////////////
- STDMETHODIMP_(UINT32) CHXInfoDecoder::ReadObj(IHXStreamableObj* pObj)
- {
- UINT32 nLen=this->GetOffset();
- if (pObj->ReadObjFromBits(this)==HXR_OK)
- return this->GetOffset()-nLen;
- #if 0
- // reading object
- this->Seek(nLen);
- #endif
- return(0);
- }
- /////////////////////////////////////////////////////////////////////
- STDMETHODIMP_(UINT32) CHXInfoDecoder::ReadUCHAR(UCHAR& nValue)
- {
- UCHAR temp;
- memcpy(&temp, m_Buffer+m_nOffset, sizeof(temp)); /* Flawfinder: ignore */
- nValue = temp;
- m_nOffset += sizeof(temp);
- return sizeof(temp);
- }
- /////////////////////////////////////////////////////////////////////
- STDMETHODIMP_(UINT32) CHXInfoDecoder::ReadUINT16(UINT16& nValue)
- {
- UINT16 temp16;
- memcpy(&temp16, m_Buffer+m_nOffset, sizeof(temp16)); /* Flawfinder: ignore */
- nValue = WToHost(temp16);
- m_nOffset += sizeof(temp16);
- return sizeof(temp16);
- }
- /////////////////////////////////////////////////////////////////////
- STDMETHODIMP_(UINT32) CHXInfoDecoder::ReadUINT32(UINT32& nValue)
- {
- UINT32 temp32;
- memcpy(&temp32, m_Buffer+m_nOffset, sizeof(temp32)); /* Flawfinder: ignore */
- nValue = DwToHost(temp32);
- m_nOffset += sizeof(temp32);
- return sizeof(temp32);
- }
- /////////////////////////////////////////////////////////////////////
- STDMETHODIMP_(UINT32) CHXInfoDecoder::ReadString(CHXString& strValue)
- {
- UINT32 FieldLen = *(m_Buffer+m_nOffset++);
- char* pBuffer = strValue.GetBuffer((int)FieldLen);
- memcpy(pBuffer, m_Buffer+m_nOffset, (int)FieldLen); /* Flawfinder: ignore */
- pBuffer[FieldLen] = '';
- strValue.ReleaseBuffer();
- m_nOffset += FieldLen;
- return FieldLen+1;
- }
- /////////////////////////////////////////////////////////////////////
- STDMETHODIMP_(UINT32) CHXInfoDecoder::ReadAndAllocCString(char*& pszValue)
- {
- UINT32 FieldLen = *(m_Buffer+m_nOffset++);
- pszValue = new char[FieldLen+1];
- memcpy(pszValue, m_Buffer+m_nOffset, (int)FieldLen); /* Flawfinder: ignore */
- pszValue[FieldLen] = '';
- m_nOffset += FieldLen;
- return FieldLen+1;
- }
- /////////////////////////////////////////////////////////////////////
- STDMETHODIMP_(UINT32) CHXInfoDecoder::ReadLargeString(CHXString& strValue)
- {
- UINT16 FieldLen = 0;
- UINT32 nSize = ReadUINT16(FieldLen);
- char* pBuffer = strValue.GetBuffer(FieldLen);
- memcpy(pBuffer, m_Buffer+m_nOffset, FieldLen); /* Flawfinder: ignore */
- pBuffer[FieldLen] = '';
- strValue.ReleaseBuffer();
- m_nOffset += FieldLen;
- return nSize+FieldLen;
- }
- /////////////////////////////////////////////////////////////////////
- STDMETHODIMP_(UINT32) CHXInfoDecoder::ReadAndAllocLargeCString(char*& pszValue)
- {
- UINT16 FieldLen = 0;
- UINT32 nSize = ReadUINT16(FieldLen);
- pszValue = new char[FieldLen+1];
- memcpy(pszValue, m_Buffer+m_nOffset, FieldLen); /* Flawfinder: ignore */
- pszValue[FieldLen] = '';
- m_nOffset += FieldLen;
- return nSize+FieldLen;
- }
- /////////////////////////////////////////////////////////////////////
- STDMETHODIMP_(UINT32) CHXInfoDecoder::ReadBuffer(char* szBuffer, UINT32 nSize)
- {
- memcpy(szBuffer, m_Buffer+m_nOffset, (int)nSize); /* Flawfinder: ignore */
- m_nOffset += nSize;
- return nSize;
- }
- #if 0
- /////////////////////////////////////////////////////////////////////
- STDMETHODIMP_(UINT32) CHXInfoDecoder::ReadUTCTime(UTCTimeRep& TimeRep)
- {
- UINT32 time, nSize;
- nSize = ReadUINT32(time);
- TimeRep.SetUTCTime(time);
- return(nSize);
- }
- #endif
- /////////////////////////////////////////////////////////////////////
- STDMETHODIMP CHXInfoDecoder::Seek(UINT32 nPos)
- {
- if (nPos<=m_nDecodedLen)
- {
- m_nOffset = nPos;
- }
- return(HXR_OK);
- }
- /////////////////////////////////////////////////////////////////////
- STDMETHODIMP CHXInfoDecoder::SkipForward(UINT32 nAmount)
- {
- m_nOffset += nAmount;
- if (m_nOffset>m_nDecodedLen)
- {
- m_nOffset = m_nDecodedLen;
- }
- return(HXR_OK);
- }
- /////////////////////////////////////////////////////////////////////
- STDMETHODIMP_(BOOL) CHXInfoDecoder::IsEndOfData()
- {
- if (m_nDecodedLen<Perplex_ALIGNMENT)
- {
- return(TRUE);
- }
- if (m_nOffset>(m_nDecodedLen-Perplex_ALIGNMENT))
- return(TRUE);
- else
- return(FALSE);
- }
- /////////////////////////////////////////////////////////////////////////////
- //
- // Function:
- //
- // FromHexNibble()
- //
- // Purpose:
- //
- //
- // Parameters:
- //
- // char hexChar
- // Character representing a hex encoding of a nibble.
- //
- // Return:
- //
- // UCHAR
- // Actual value of the nibble encoded by hexChar.
- //
- UCHAR CHXInfoDecoder::FromHexNibble(char hexChar)
- {
- UCHAR value = 0;
- if (hexChar >= '0' && hexChar <= '9')
- {
- value = hexChar - '0';
- }
- else if (hexChar >= 'A' && hexChar <= 'F')
- {
- value = hexChar - 'A' + 10;
- }
- else if (hexChar >= 'a' && hexChar <= 'f')
- {
- value = hexChar - 'a' + 10;
- }
- #ifdef _DEBUG
- else
- {
- // Bad hex character!
- HX_ASSERT(FALSE);
- }
- #endif
- return value;
- }
- /////////////////////////////////////////////////////////////////////////////
- //
- // Function:
- //
- // HXClientLicense::SetFromHex()
- //
- // Purpose:
- //
- // Sets items of the license key from a hexidecimal encoding of the
- // license key bits.
- //
- // Parameters:
- //
- // const char* hex
- // Pointer to a buffer that contains a hexidecimal encoding of the
- // license key.
- //
- // UCHAR* Bits
- // Pointer to a buffer that will be filled on output with a bitwise
- // decoding of the license key.
- //
- // UINT32 nSize
- // Size of the hex string on input
- //
- // Return:
- //
- // int
- // Size in bytes of decoded size!
- //
- // Note:
- //
- // Hex representations of the License Key consist of the
- // representation of the bits in human readable form in a
- // HEX encoding. This basically uses a pointer to a memory
- // buffer of charcters encoded as hex representing the bits.
- // Valid characters are 0-9,A-F. Buffers out will be upper
- // case letters, buffers in will be converted to upper case.
- //
- // These char's are hex encoding. They are never DBCS, the only
- // valid characters are 0-9,A-F
- //
- UINT32 CHXInfoDecoder::SetFromHex(const char* hex, UCHAR* Bits, UINT32 nSize)
- {
- UINT32 ndxBits;
- UINT32 ndxHex = 0;
- UCHAR nibble1;
- UCHAR nibble2;
- UCHAR byte;
- for (ndxBits = 0; ndxHex < nSize; ndxBits++)
- {
- nibble1 = FromHexNibble(hex[ndxHex]);
- nibble1 = nibble1 << 4;
- ndxHex++;
- nibble2 = FromHexNibble(hex[ndxHex]);
- byte = nibble1 | nibble2;
- ndxHex++;
- Bits[ndxBits] = byte;
- }
- return ndxBits;
- }
- /////////////////////////////////////////////////////////////////////////////
- //
- // Function:
- //
- // ToHexNibble()
- //
- // Purpose:
- //
- // Converts a nibble into the appropriate character for Hex encoding.
- //
- // Parameters:
- //
- // UCHAR hexValue
- // Value of the nibble.
- //
- // Return:
- //
- // char
- // Character representing the hex encoding of the nibble.
- //
- char CHXInfoEncoder::ToHexNibble(UCHAR hexValue)
- {
- char hexChar = '0';
- if (hexValue <= 0x9)
- {
- hexChar = '0' + hexValue;
- }
- else if (hexValue >= 0xA && hexValue <= 0xF)
- {
- hexChar = 'A' + (hexValue - 10);
- }
- #ifdef _DEBUG
- else
- {
- // Bad hex character!
- HX_ASSERT(FALSE);
- }
- #endif
- return hexChar;
- }
- /////////////////////////////////////////////////////////////////////////////
- //
- // Function:
- //
- // DumpToHex()
- //
- // Purpose:
- //
- // Formats the license key in human readable hexadecimal encoding.
- //
- // Parameters:
- //
- // char* hex
- // Pointer to buffer to be filled with hexadecimal encoding of
- // license key
- //
- // Return:
- //
- // None.
- //
- void CHXInfoEncoder::DumpToHex(char* hex, UCHAR* Bits, UINT32 nSize)
- {
- UINT32 ndxBits;
- UINT32 ndxHex = 0;
- UCHAR nibble1;
- UCHAR nibble2;
- UCHAR byte;
- for (ndxBits = 0; ndxBits < nSize; ndxBits++)
- {
- byte = Bits[ndxBits];
- nibble1 = (byte & 0xF0) >> 4;
- nibble2 = (byte & 0x0F);
- hex[ndxHex] = ToHexNibble(nibble1);
- ndxHex++;
- hex[ndxHex] = ToHexNibble(nibble2);
- ndxHex++;
- }
- hex[ndxHex] = '';
- }
- /////////////////////////////////////////////////////////////////////////////
- //
- // Function:
- //
- // MapFromPerplex()
- //
- // Purpose:
- //
- // Converts appropriate characters for Perplex encoding into a ULONG32.
- //
- #ifdef _WIN16
- extern char* zPerplexChars;
- #else
- // A copy of this is kept in in pnmiscpubwinpnmisc16.h. If you change
- // this (which is very unlikely), then be sure to change it there.
- static const char zPerplexChars[] =
- {
- '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
- 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
- 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't',
- 'u', 'v', 'w', 'x', 'y', 'z', 'A', 'B', 'C', 'D',
- 'E'
- };
- static const char zDePerplexMap[] =
- { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
- 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
- 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
- 0,1,2,3,4,5,6,7,8,9,0,0,0,0,0,0,
- 0,36,37,38,39,40,0,0,0,0,0,0,0,0,0,0,
- 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
- 0,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,
- 25,26,27,28,29,30,31,32,33,34,35,0,0,0,0,0,
- 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
- 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
- 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
- 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
- 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
- 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
- 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
- 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
- };
- #endif /* _WIN16 */
- UCHAR CHXInfoDecoder::MapFromPerplex(char Perplex)
- {
- return zDePerplexMap[Perplex];
- }
- /////////////////////////////////////////////////////////////////////////////
- //
- // Function:
- //
- // MapToPerplex()
- //
- // Purpose:
- //
- // Converts a digit ordinal to the Perplex digit...
- //
- char CHXInfoEncoder::MapToPerplex(UCHAR Perplex)
- {
- #ifdef _DEBUG
- #ifndef _WIN16
- // On win16, zPerplexChars is a char *, rather than an array, so this
- // doesn't work.
- int size_zPerplexChars = sizeof(zPerplexChars);
- int size_zPerplexChars0 = sizeof(zPerplexChars[0]);
- HX_ASSERT(Perplex < size_zPerplexChars/size_zPerplexChars0);
- #endif
- #endif
- return zPerplexChars[Perplex];
- }
- /////////////////////////////////////////////////////////////////////////////
- //
- // Function:
- //
- // FromPerplex()
- //
- // Purpose:
- //
- // Converts appropriate characters for Perplex encoding into a ULONG32.
- //
- ULONG32 CHXInfoDecoder::FromPerplex(const char* Perplex)
- {
- ULONG32 value = 0;
- ULONG32 PerplexBase = 1;
- for (int n = 0; n < Perplex_PER_ULONG32; n++)
- {
- value += MapFromPerplex(Perplex[n]) * PerplexBase;
- PerplexBase *= Perplex_BASE;
- }
- // Convert to local byte order!
- value = DwToHost(value);
- return value;
- }
- /////////////////////////////////////////////////////////////////////////////
- //
- // Function:
- //
- // ToPerplexNibble()
- //
- // Purpose:
- //
- // Converts a ULONG32 into the appropriate characters for Perplex encoding.
- //
- void CHXInfoEncoder::ToPerplex(ULONG32 Input, char* Perplex)
- {
- ULONG32 value;
- UCHAR charValue;
- // Convert to net byte order!
- value = DwToNet(Input);
- for (int n = 0; n < Perplex_PER_ULONG32; n++)
- {
- charValue = (UCHAR)(value % Perplex_BASE);
- Perplex[n] = MapToPerplex(charValue);
- value = value / Perplex_BASE;
- }
- }
- /////////////////////////////////////////////////////////////////////////////
- //
- // Function:
- //
- // HXClientLicense::SetFromPerplex()
- //
- // Purpose:
- //
- // Sets items of the license key from a Perplexidecimal encoding of the
- // license key bits.
- //
- // Parameters:
- //
- // const char* Perplex
- // Pointer to a buffer that contains a Perplexidecimal encoding of the
- // license key.
- //
- // UCHAR* Bits
- // Pointer to a buffer that will contain decoded bytes of information
- //
- // UINT32 ulBitsLen
- // Number of bytes in Bits output buffer
- //
- // int nSize
- // Input size in bytes
- //
- // Return:
- //
- // int
- // Size in bytes of decoded information
- //
- // Note:
- //
- // Perplex representations of the License Key consist of the
- // representation of the bits in human readable form in a
- // Perplex encoding. This basically uses a pointer to a memory
- // buffer of charcters encoded as Perplex representing the bits.
- // Valid characters are 0-9,A-F. Buffers out will be upper
- // case letters, buffers in will be converted to upper case.
- //
- // These char's are Perplex encoding. They are never DBCS, the only
- // valid characters are 0-9,A-F
- //
- UINT32 CHXInfoDecoder::SetFromPerplex(const char* Perplex, UCHAR* Bits, UINT32 ulBitsLen, UINT32 nSize)
- {
- UINT32 ndxBits;
- UINT32 ndxPerplex = 0;
- ULONG32 temp32;
- for (ndxBits = 0; ndxPerplex < nSize; )
- {
- temp32 = FromPerplex(&Perplex[ndxPerplex]);
- ndxPerplex+=Perplex_PER_ULONG32;
- if (ndxBits+4 <= ulBitsLen) memcpy(&Bits[ndxBits],&temp32,sizeof(temp32)); /* Flawfinder: ignore */
- ndxBits+=sizeof(temp32);
- }
- return ndxBits;
- }
- /////////////////////////////////////////////////////////////////////////////
- //
- // Function:
- //
- // DumpToPerplex()
- //
- // Purpose:
- //
- // Formats the license key in human readable Perplexadecimal encoding.
- //
- // Parameters:
- //
- // char* Perplex
- // Pointer to buffer to be filled with Perplexadecimal encoding of
- // license key
- //
- // Return:
- //
- // None.
- //
- void CHXInfoEncoder::DumpToPerplex(char* Perplex, UINT32 ulPerplexSize, UCHAR* Bits, UINT32 nSize)
- {
- UINT32 ndxBits;
- UINT32 ndxPerplex = 0;
- ULONG32 temp32;
- for (ndxBits = 0; ndxBits < nSize; )
- {
- if (ndxBits+4 <= nSize) memcpy(&temp32,&Bits[ndxBits],sizeof(temp32)); /* Flawfinder: ignore */
- ndxBits+=sizeof(temp32);
- if (ndxPerplex+Perplex_PER_ULONG32 <= ulPerplexSize) ToPerplex(temp32,&Perplex[ndxPerplex]);
- ndxPerplex+=Perplex_PER_ULONG32;
- }
- Perplex[ndxPerplex] = '';
- }
- /////////////////////////////////////////////////////////////////////////////
- //
- // Function:
- //
- // MapFromMIMEBase64()
- //
- // Purpose:
- //
- // Converts appropriate characters for MIME-Base64 encoding into a the
- // Base64 ordinal.
- //
- #ifdef _WIN16
- extern char* zMIMEBase64Chars;
- #else
- // A copy of this is kept in in pnmiscpubwinpnmisc16.h. If you change
- // this (which is very unlikely), then be sure to change it there.
- static const char zMIMEBase64Chars[] =
- {
- 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J',
- 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T',
- 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd',
- 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
- 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x',
- 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7',
- '8', '9', '+', '/'
- };
- #endif /* _WIN16 */
- #define MIME_BASE64_PADDING '='
- #define FROM_MIME_BASE64_BYTES_IN 4
- #define FROM_MIME_BASE64_BYTES_OUT 3
- #define TO_MIME_BASE64_BYTES_IN FROM_MIME_BASE64_BYTES_OUT
- #define TO_MIME_BASE64_BYTES_OUT FROM_MIME_BASE64_BYTES_IN
- UCHAR CHXInfoDecoder::MapFromMIMEBase64(char MIMEBase64)
- {
- for (UCHAR n = 0; n < sizeof(zMIMEBase64Chars)/sizeof(zMIMEBase64Chars[0]); n++)
- {
- if (MIMEBase64 == zMIMEBase64Chars[n])
- {
- return n;
- }
- }
- HX_ASSERT(FALSE);
- return 0;
- }
- /////////////////////////////////////////////////////////////////////////////
- //
- // Function:
- //
- // MapToMIMEBase64()
- //
- // Purpose:
- //
- // Converts a digit ordinal to the MIMEBase64 digit...
- //
- char CHXInfoEncoder::MapToMIMEBase64(UCHAR MIMEBase64)
- {
- HX_ASSERT( MIMEBase64 < sizeof(zMIMEBase64Chars)/sizeof(zMIMEBase64Chars[0]));
- return zMIMEBase64Chars[MIMEBase64];
- }
- /////////////////////////////////////////////////////////////////////////////
- //
- // Function:
- //
- // SetFromMIMEBase64()
- //
- // Purpose:
- //
- // ...
- //
- // Parameters:
- //
- // ...
- //
- // Return:
- //
- // int
- // Size in bytes of decoded information
- //
- UINT32 CHXInfoDecoder::SetFromMIMEBase64(const char* MIMEBase64, char* Bits, UINT32 nSize)
- {
- UINT32 ndxBits = 0;
- UINT32 ndxMIMEBase64 = 0;
- BOOL bDone = FALSE;
- UINT32 ndxTempIn = 0;
- UCHAR tempBitsIn [FROM_MIME_BASE64_BYTES_IN];
- UINT32 padding = 0;
- HX_ASSERT(strlen(MIMEBase64) <= nSize);
- while (!bDone)
- {
- HX_ASSERT(ndxMIMEBase64 <= nSize);
- HX_ASSERT(ndxBits <= nSize);
- // Fill in our "temporary" in buffer with the Base64 characters.
- for ( ndxTempIn = 0;
- ndxTempIn < FROM_MIME_BASE64_BYTES_IN && (padding == 0);
- ndxTempIn++
- )
- {
- HX_ASSERT(ndxMIMEBase64 <= nSize);
- UCHAR MIMEBase64char = MIMEBase64[ndxMIMEBase64];
- switch (MIMEBase64char)
- {
- case MIME_BASE64_PADDING:
- case '':
- {
- tempBitsIn[ndxTempIn] = 0;
- bDone = TRUE;
- padding = (FROM_MIME_BASE64_BYTES_IN - ndxTempIn);
- }
- break;
- default:
- {
- tempBitsIn[ndxTempIn] = MapFromMIMEBase64(MIMEBase64char);
- }
- break;
- }
- ndxMIMEBase64++;
- }
- HX_ASSERT(padding == 2 || padding == 1 || padding == 0);
- // Map the Base64 in buffer to the the output buffer...
- // This should map the 6 pertinate bits of each IN byte, to the
- // the correct bits of the OUT byte.
- {
- Bits[ndxBits] = (tempBitsIn[0] << 2) + (tempBitsIn[1]>>4);
- ndxBits++;
- if (padding < 2)
- {
- Bits[ndxBits] = (tempBitsIn[1] << 4) + (tempBitsIn[2]>>2);
- ndxBits++;
- }
- if (padding < 1)
- {
- Bits[ndxBits] = (tempBitsIn[2] << 6) + (tempBitsIn[3]);
- ndxBits++;
- }
- }
- }
- Bits[ndxBits] = '';
- return ndxBits;
- }
- /////////////////////////////////////////////////////////////////////////////
- //
- // Function:
- //
- // DumpToMIMEBase64()
- //
- // Purpose:
- //
- // ...
- //
- // Parameters:
- //
- // ...
- //
- // Return:
- //
- // None.
- //
- void CHXInfoEncoder::DumpToMIMEBase64(char* MIMEBase64, const char* Bits, UINT32 nSize)
- {
- UINT32 ndxBits = 0;
- UINT32 ndxMIMEBase64 = 0;
- BOOL bDone = FALSE;
- UINT32 ndxTempIn = 0;
- UINT32 ndxTempOut = 0;
- UCHAR tempBitsIn [TO_MIME_BASE64_BYTES_IN];
- UINT32 padding = 0;
- HX_ASSERT(strlen(Bits) <= nSize);
- while (!bDone)
- {
- HX_ASSERT(ndxMIMEBase64 <= nSize);
- HX_ASSERT(ndxBits <= nSize);
- // Fill in our "temporary" out buffer with the 6 bit chunks of the input.
- for ( ndxTempIn = 0;
- ndxTempIn < TO_MIME_BASE64_BYTES_IN && (padding == 0);
- ndxTempIn++
- )
- {
- UCHAR rawChar = Bits[ndxBits];
- if (rawChar != '')
- {
- switch (ndxTempIn)
- {
- case 0:
- {
- tempBitsIn[0] = rawChar >> 2;
- tempBitsIn[1] = (rawChar & 0x3) << 4;
- }
- break;
- case 1:
- {
- tempBitsIn[1] += rawChar >> 4;
- tempBitsIn[2] = (rawChar & 0xF) << 2;
- }
- break;
- case 2:
- {
- tempBitsIn[2] += rawChar >> 6;
- tempBitsIn[3] = (rawChar & 0x3F);
- }
- break;
- }
- }
- else
- {
- bDone = TRUE;
- padding = (TO_MIME_BASE64_BYTES_IN - ndxTempIn);
- }
- ndxBits++;
- }
- HX_ASSERT(padding == 2 || padding == 1 || padding == 0);
- // Map the Base64 in buffer to the output buffer...
- // This should map the 6 pertinate bits of each IN byte, as an
- // entire OUT byte
- for ( ndxTempOut = 0;
- ndxTempOut < TO_MIME_BASE64_BYTES_OUT;
- ndxTempOut++
- )
- {
- if (ndxTempOut < (TO_MIME_BASE64_BYTES_OUT-padding))
- {
- MIMEBase64[ndxMIMEBase64] = MapToMIMEBase64(tempBitsIn[ndxTempOut]);
- }
- else
- {
- MIMEBase64[ndxMIMEBase64] = MIME_BASE64_PADDING;
- }
- ndxMIMEBase64++;
- }
- }
- MIMEBase64[ndxMIMEBase64] = '';
- }
- //*******************************************************************
- // CHXSimpleBuffer
- //*******************************************************************
- /////////////////////////////////////////////////////////////////////
- CHXSimpleBuffer::CHXSimpleBuffer()
- : m_nSize(0), m_pData(NULL), m_nGrowBy(DEFAULT_GROW_SIZE)
- {
- }
- /////////////////////////////////////////////////////////////////////
- CHXSimpleBuffer::CHXSimpleBuffer(UINT32 nSize, UINT32 nGrowBy)
- : m_nSize(0), m_pData(NULL), m_nGrowBy(nGrowBy)
- {
- Resize(nSize);
- }
- /////////////////////////////////////////////////////////////////////
- CHXSimpleBuffer::~CHXSimpleBuffer()
- {
- Free();
- }
- /////////////////////////////////////////////////////////////////////
- BOOL CHXSimpleBuffer::IsValidOffset(UINT32 n) const
- {
- if (n<m_nSize)
- return(TRUE);
- else return(FALSE);
- }
- /////////////////////////////////////////////////////////////////////
- // make sure that pPos is in the buffer.
- // If not, the buffer is automatically resized and contents copied.
- // pPos must be > pData.
- BOOL CHXSimpleBuffer::EnsureValidOffset(UINT32 n)
- {
- if (IsValidOffset(n)==TRUE)
- {
- return(TRUE);
- }
- return (this->Resize(n));
- }
- /////////////////////////////////////////////////////////////////////
- // copy data into the buffer at the given offset, and if the buffer
- // is too small we'll resize the buffer first.
- BOOL CHXSimpleBuffer::SafeMemCopy(UINT32 nOffset, const void* data, UINT32 len)
- {
- if ((len > 0) && (EnsureValidOffset(nOffset+len-1)==TRUE))
- {
- memcpy( m_pData+nOffset, data, (int)len ); /* Flawfinder: ignore */
- return(TRUE);
- }
- return(FALSE);
- }
- /////////////////////////////////////////////////////////////////////
- BOOL CHXSimpleBuffer::Resize(UINT32 nNewSize)
- {
- if (nNewSize==0)
- {
- Free();
- return(TRUE);
- }
- nNewSize = RoundUpToGrowSize(nNewSize);
- UCHAR* pNewBuffer = new UCHAR[nNewSize];
- if (pNewBuffer==NULL) return(FALSE);
- if (m_pData!=NULL)
- {
- // copy MIN(oldSize,newSize) elements
- memcpy(pNewBuffer,m_pData, (nNewSize<m_nSize) ? (int)nNewSize : (int)m_nSize); /* Flawfinder: ignore */
- delete [] m_pData;
- }
- m_pData = pNewBuffer;
- m_nSize = nNewSize;
- return(TRUE);
- }
- /////////////////////////////////////////////////////////////////////
- UINT32 CHXSimpleBuffer::RoundUpToGrowSize(UINT32 nSize)
- {
- // check for div-by-zero errors (as long as DEFAULT!=0)
- if (m_nGrowBy==0)
- {
- m_nGrowBy = DEFAULT_GROW_SIZE;
- }
- return ( (int)(nSize/m_nGrowBy)+1 ) * m_nGrowBy;
- }
- /////////////////////////////////////////////////////////////////////
- void CHXSimpleBuffer::Free()
- {
- if (m_pData!=NULL)
- delete [] m_pData;
- m_pData=NULL;
- m_nSize=0;
- }