int VBoxNetDhcp::processUDP(void *pv, size_t cbPv)
{
PCRTNETBOOTP pDhcpMsg = (PCRTNETBOOTP)pv;
m_pCurMsg = pDhcpMsg;
m_cbCurMsg = cbPv;
uint8_t uMsgType;
if (RTNetIPv4IsDHCPValid(NULL /* why is this here? */, pDhcpMsg, cbPv, &uMsgType))
{
m_uCurMsgType = uMsgType;
{
/* To avoid fight with event processing thread */
VBoxNetALock(this);
handleDhcpMsg(uMsgType, pDhcpMsg, cbPv);
}
m_uCurMsgType = UINT8_MAX;
}
else
debugPrint(1, true, "VBoxNetDHCP: Skipping invalid DHCP packet.\n"); /** @todo handle pure bootp clients too? */
m_pCurMsg = NULL;
m_cbCurMsg = 0;
return VINF_SUCCESS;
}
Client ConfigurationManager::getClientByDhcpPacket(const RTNETBOOTP *pDhcpMsg, size_t cbDhcpMsg)
{
VecClientIterator it;
bool fDhcpValid = false;
uint8_t uMsgType = 0;
fDhcpValid = RTNetIPv4IsDHCPValid(NULL, pDhcpMsg, cbDhcpMsg, &uMsgType);
AssertReturn(fDhcpValid, Client::NullClient);
LogFlowFunc(("dhcp:mac:%RTmac\n", &pDhcpMsg->bp_chaddr.Mac));
/* 1st. client IDs */
for ( it = m->m_clients.begin();
it != m->m_clients.end();
++it)
{
if ((*it) == pDhcpMsg->bp_chaddr.Mac)
{
LogFlowFunc(("client:mac:%RTmac\n", it->getMacAddress()));
/* check timestamp that request wasn't expired. */
return (*it);
}
}
if (it == m->m_clients.end())
{
/* We hasn't got any session for this client */
Client c;
c.initWithMac(pDhcpMsg->bp_chaddr.Mac);
m->m_clients.push_back(c);
return m->m_clients.back();
}
return Client::NullClient;
}
