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/*
* Dibbler - a portable DHCPv6
*
* author : Michal Kowalczuk <michal@kowalczuk.eu>
* changes: Tomasz Mrugalski <thomson(at)klub.com.pl>
*
* released under GNU GPL v2 licence
*
* $Id: OptKeyGeneration.cpp,v 1.2 2008-06-18 23:22:14 thomson Exp $
*
*/
#ifdef WIN32
#include <winsock2.h>
#endif
#ifdef LINUX
#include <netinet/in.h>
#endif
#include <stdlib.h>
#include "OptKeyGeneration.h"
#include "DHCPConst.h"
#include "Portable.h"
#include "Portable.h"
#include "Msg.h"
#include "Portable.h"
#include "Logger.h"
TOptKeyGeneration::TOptKeyGeneration( char * &buf, int &n, TMsg* parent)
:TOpt(OPTION_KEYGEN, parent)
{
Valid=true;
if (n<13)
{
Valid=false;
buf+=n;
n=0;
return;
}
this->Parent->setSPI(ntohl(*(uint32_t*)buf));
buf +=4; n -=4;
this->setLifetime(ntohl(*(uint32_t*)buf));
buf +=4; n -=4;
this->Parent->setAAASPI(ntohl(*(uint32_t*)buf));
buf +=4; n -=4;
this->setAlgorithmId(ntohs(*(uint16_t*)buf));
buf +=2; n -=2;
this->Parent->setKeyGenNonce(buf, n);
PrintHex("KeyGenNonce: ", buf, n);
buf+=n; n = 0;
this->Parent->setAuthInfoKey();
this->Parent->AuthKeys->Add(this->Parent->getSPI(), this->Parent->getAAASPI(), this->Parent->getAuthInfoKey());
}
TOptKeyGeneration::TOptKeyGeneration(TMsg* parent)
:TOpt(OPTION_KEYGEN, parent)
{
}
void TOptKeyGeneration::setLifetime( uint32_t value)
{
Lifetime = value;
}
void TOptKeyGeneration::setAlgorithmId( uint16_t value)
{
AlgorithmId = value;
}
uint16_t TOptKeyGeneration::getAlgorithmId()
{
return AlgorithmId;
}
int TOptKeyGeneration::getSize()
{
return 18 + this->Parent->getKeyGenNonceLen();
}
char * TOptKeyGeneration::storeSelf( char* buf)
{
*(uint16_t*)buf = htons(OptType);
buf+=2;
*(uint16_t*)buf = htons(getSize() - 4);
buf+=2;
*(uint32_t*)buf = htonl(this->Parent->getSPI());
buf+=4;
*(uint32_t*)buf = htonl(Lifetime);
buf+=4;
*(uint32_t*)buf = htonl(this->Parent->getAAASPI());
buf+=4;
*(uint16_t*)buf = htons(AlgorithmId);
buf+=2;
Log(Debug) << "Auth:Key Generation Nonce length: " << this->Parent->getKeyGenNonceLen() << LogEnd;
if (this->Parent->getKeyGenNonceLen()) {
memcpy(buf, this->Parent->getKeyGenNonce(), this->Parent->getKeyGenNonceLen());
buf+=this->Parent->getKeyGenNonceLen();
}
if (0 == this->Parent->setAuthInfoKey())
this->Parent->AuthKeys->Add(this->Parent->getSPI(), this->Parent->getAAASPI(), this->Parent->getAuthInfoKey());
return buf;
}
TOptKeyGeneration::~TOptKeyGeneration()
{
// FIXME: do it in Msg.cpp
// if (KeyGenNonceLen)
// delete [] KeyGenNonce;
}
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