dkimbase.h

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/*****************************************************************************
*  Copyright 2005 Alt-N Technologies, Ltd. 
*
*  Licensed 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 
*
*  This code incorporates intellectual property owned by Yahoo! and licensed 
*  pursuant to the Yahoo! DomainKeys Patent License Agreement.
*
*  Unless required by applicable law or agreed to in writing, software 
*  distributed under the License is distributed on an "AS IS" BASIS, 
*  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
*  See the License for the specific language governing permissions and 
*  limitations under the License.
*
*  Changes done by ¢feh@fehcom.de obeying the above license
*
*****************************************************************************/
#ifndef DKIMBASE_H
#define DKIMBASE_H
 
#include <openssl/evp.h>
#include <openssl/pem.h>
#include <openssl/err.h>
 
#define BUFFER_ALLOC_INCREMENT 256
 
#include <string>
#include <list>
 
using namespace std;
 
class CDKIMBase
{
public:
 
        CDKIMBase();
        ~CDKIMBase();
 
        int Init(void);
 
        int Process(const char* szBuffer,int nBufLength,bool bEOF);
        int ProcessFinal(void);
 
        int Alloc(char*& szBuffer,int nRequiredSize);
        int ReAlloc(char*& szBuffer,int& nBufferLength,int nRequiredSize);
        void Free(char* szBuffer);
 
        static void RemoveSWSP(char* szBuffer);
        static void RemoveSWSP(char* pBuffer,int& nBufLength);
        static void RemoveSWSP(string& sBuffer);
 
        static void CompressSWSP(char* pBuffer,int& nBufLength);
        static void CompressSWSP(string& sBuffer);
 
        static string RelaxHeader(const string& sHeader);
 
        virtual int ProcessHeaders(void);
        virtual int ProcessBody(char* szBuffer,int nBufLength,bool bEOF);
 
protected:
        char* m_From;
        char* m_Sender;
        char* m_hTag;
        int m_hTagSize;
        int m_hTagPos;
        char* m_Line;
        int m_LineSize;
        int m_LinePos;
        bool m_InHeaders;
 
        list<string> HeaderList;
};
 
 
#endif // DKIMBASE_H