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204 lines (180 loc) ยท 6.03 KB
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/*
* Copyright (C) 2012 Yee Young Han <websearch@naver.com> (http://blog.naver.com/websearch)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "SipParserDefine.h"
#include "SipCredential.h"
#include "SipChallenge.h"
#include "StringUtility.h"
#include "MemoryDebug.h"
CSipCredential::CSipCredential()
{
}
CSipCredential::~CSipCredential()
{
}
/**
* @ingroup SipParser
* @brief SIP ํค๋ ๋ฌธ์์ด์ ํ์ฑํ์ฌ CSipCredential ํด๋์ค์ ๋ฉค๋ฒ ๋ณ์์ ์ ์ฅํ๋ค.
* @param pszText SIP ํค๋์ ๊ฐ์ ์ ์ฅํ ๋ฌธ์์ด
* @param iTextLen pszText ๋ฌธ์์ด์ ๊ธธ์ด
* @returns ์ฑ๊ณตํ๋ฉด ํ์ฑํ ๊ธธ์ด๋ฅผ ๋ฆฌํดํ๊ณ ๊ทธ๋ ์ง ์์ผ๋ฉด -1 ๋ฅผ ๋ฆฌํดํ๋ค.
*/
int CSipCredential::Parse( const char * pszText, int iTextLen )
{
Clear();
if( pszText == NULL || iTextLen <= 0 ) return -1;
int iPos, iCurPos;
for( iPos = 0; iPos < iTextLen; ++iPos )
{
if( pszText[iPos] == ' ' || pszText[iPos] == '\t' )
{
m_strType.append( pszText, iPos );
++iPos;
break;
}
}
if( m_strType.empty() ) return -1;
iCurPos = iPos;
SIP_PARAMETER_LIST clsList;
SIP_PARAMETER_LIST::iterator itList;
while( iCurPos < iTextLen )
{
if( pszText[iCurPos] == ' ' || pszText[iCurPos] == '\t' || pszText[iCurPos] == ',' )
{
++iCurPos;
continue;
}
iPos = ParseSipParameter( clsList, pszText + iCurPos, iTextLen - iCurPos );
if( iPos == -1 ) return -1;
iCurPos += iPos;
}
for( itList = clsList.begin(); itList != clsList.end(); ++itList )
{
const char * pszName = itList->m_strName.c_str();
if( !strcmp( pszName, "username" ) )
{
DeQuoteString( itList->m_strValue, m_strUserName );
}
else if( !strcmp( pszName, "realm" ) )
{
DeQuoteString( itList->m_strValue, m_strRealm );
}
else if( !strcmp( pszName, "nonce" ) )
{
DeQuoteString( itList->m_strValue, m_strNonce );
}
else if( !strcmp( pszName, "uri" ) )
{
DeQuoteString( itList->m_strValue, m_strUri );
}
else if( !strcmp( pszName, "response" ) )
{
DeQuoteString( itList->m_strValue, m_strResponse );
}
else if( !strcmp( pszName, "algorithm" ) )
{
m_strAlgorithm = itList->m_strValue;
}
else if( !strcmp( pszName, "cnonce" ) )
{
DeQuoteString( itList->m_strValue, m_strCnonce );
}
else if( !strcmp( pszName, "opaque" ) )
{
DeQuoteString( itList->m_strValue, m_strOpaque );
}
else if( !strcmp( pszName, "qop" ) )
{
m_strQop = itList->m_strValue;
}
else if( !strcmp( pszName, "nc" ) )
{
m_strNonceCount = itList->m_strValue;
}
else
{
m_clsParamList.push_back( *itList );
}
}
return iCurPos;
}
/**
* @ingroup SipParser
* @brief SIP ๋ฉ์์ง์ ํฌํจ๋ ๋ฌธ์์ด์ ์์ฑํ๋ค.
* @param pszText SIP ํค๋์ ๊ฐ์ ์ ์ฅํ ๋ฌธ์์ด ๋ณ์
* @param iTextSize pszText ๋ณ์์ ํฌ๊ธฐ
* @returns ์ฑ๊ณตํ๋ฉด ์์ฑํ ๋ฌธ์์ด ๊ธธ์ด๋ฅผ ๋ฆฌํดํ๊ณ ๊ทธ๋ ์ง ์์ผ๋ฉด -1 ๋ฅผ ๋ฆฌํดํ๋ค.
*/
int CSipCredential::ToString( char * pszText, int iTextSize )
{
if( pszText == NULL || iTextSize <= 0 ) return -1;
int iLen = 0;
iLen = snprintf( pszText, iTextSize, "%s ", m_strType.c_str() );
char * pszData = pszText + iLen;
int iPos = 0;
iTextSize -= iLen;
if( CSipChallenge::SetQuoteString( pszData, iPos, iTextSize, "username", m_strUserName ) == false ) return -1;
if( CSipChallenge::SetQuoteString( pszData, iPos, iTextSize, "realm", m_strRealm ) == false ) return -1;
if( CSipChallenge::SetQuoteString( pszData, iPos, iTextSize, "nonce", m_strNonce ) == false ) return -1;
if( CSipChallenge::SetQuoteString( pszData, iPos, iTextSize, "uri", m_strUri ) == false ) return -1;
if( CSipChallenge::SetQuoteString( pszData, iPos, iTextSize, "response", m_strResponse ) == false ) return -1;
if( CSipChallenge::SetString( pszData, iPos, iTextSize, "algorithm", m_strAlgorithm ) == false ) return -1;
if( CSipChallenge::SetQuoteString( pszData, iPos, iTextSize, "cnonce", m_strCnonce ) == false ) return -1;
if( CSipChallenge::SetQuoteString( pszData, iPos, iTextSize, "opaque", m_strOpaque ) == false ) return -1;
if( CSipChallenge::SetString( pszData, iPos, iTextSize, "qop", m_strQop ) == false ) return -1;
if( CSipChallenge::SetString( pszData, iPos, iTextSize, "nc", m_strNonceCount ) == false ) return -1;
SIP_PARAMETER_LIST::iterator itList;
for( itList = m_clsParamList.begin(); itList != m_clsParamList.end(); ++itList )
{
if( CSipChallenge::SetString( pszData, iPos, iTextSize, itList->m_strName.c_str(), itList->m_strValue ) == false ) return -1;
}
return iLen + iPos;
}
/**
* @ingroup SipParser
* @brief ๋ฉค๋ฒ ๋ณ์๋ฅผ ์ด๊ธฐํ์ํจ๋ค.
*/
void CSipCredential::Clear()
{
m_strType.clear();
m_strUserName.clear();
m_strRealm.clear();
m_strNonce.clear();
m_strUri.clear();
m_strResponse.clear();
m_strAlgorithm.clear();
m_strCnonce.clear();
m_strOpaque.clear();
m_strQop.clear();
m_strNonceCount.clear();
}
/**
* @brief SIP credential ๋ฌธ์์ด์ ํ์ฑํ์ฌ์ credential ๋ฆฌ์คํธ์ ์ ์ฅํ๋ค.
* @param clsList credential ๋ฆฌ์คํธ
* @param pszText credential ๋ฌธ์์ด
* @param iTextLen credential ๋ฌธ์์ด ๊ธธ์ด
* @returns ์ฑ๊ณตํ๋ฉด ํ์ฑํ ๋ฌธ์์ด ๊ธธ์ด๋ฅผ ๋ฆฌํดํ๊ณ ๊ทธ๋ ์ง ์์ผ๋ฉด -1 ์ ๋ฆฌํดํ๋ค.
*/
int ParseSipCredential( SIP_CREDENTIAL_LIST & clsList, const char * pszText, int iTextLen )
{
int iPos;
CSipCredential clsCredential;
iPos = clsCredential.Parse( pszText, iTextLen );
if( iPos == -1 ) return -1;
clsList.push_back( clsCredential );
return iPos;
}