TClntMsgInfRequest::TClntMsgInfRequest(SPtr<TClntCfgIface> iface)
:TClntMsg(iface->getID(), 0, INFORMATION_REQUEST_MSG) {
IRT = INF_TIMEOUT;
MRT = INF_MAX_RT;
MRC = 0;
MRD = 0;
RT= 0 ;
Iface=iface->getID();
IsDone=false;
if (!ClntCfgMgr().anonInfRequest()) {
Options.push_back(new TOptDUID(OPTION_CLIENTID, ClntCfgMgr().getDUID(), this));
} else {
Log(Info) << "Sending anonymous INF-REQUEST (ClientID not included)." << LogEnd;
}
// Append the options we want to configure
appendRequestedOptions();
// If there is no ORO (or it is empty), skip the message.
SPtr<TClntOptOptionRequest> oro = (Ptr*) getOption(OPTION_ORO);
if (!oro || !oro->count()) {
IsDone = true;
return;
}
appendAuthenticationOption();
appendElapsedOption();
send();
}
bool TClntIfaceMgr::fqdnAdd(SPtr<TClntIfaceIface> iface, string fqdn)
{
SPtr<TIPv6Addr> DNSAddr;
SPtr<TIPv6Addr> addr;
SPtr<TClntCfgIface> cfgIface;
cfgIface = ClntCfgMgr().getIface(iface->getID());
if (!cfgIface) {
Log(Error) << "Unable to find interface with ifindex=" << iface->getID() << "." << LogEnd;
return false;
}
// For the moment, we just take the first DNS entry.
List(TIPv6Addr) DNSSrvLst = iface->getDNSServerLst();
if (!DNSSrvLst.count()) {
Log(Error) << "Unable to find DNS Server. FQDN add failed." << LogEnd;
return false;
}
DNSSrvLst.first();
DNSAddr = DNSSrvLst.get();
// And the first IP address
SPtr<TAddrIA> ptrAddrIA;
ClntAddrMgr().firstIA();
ptrAddrIA = ClntAddrMgr().getIA();
if (ptrAddrIA->countAddr() > 0) {
ptrAddrIA->firstAddr();
addr = ptrAddrIA->getAddr()->get();
Log(Notice) << "FQDN: About to perform DNS Update: DNS server=" << *DNSAddr
<< ", IP=" << *addr << " and FQDN=" << fqdn << LogEnd;
// remember DNS Address (used during address release)
ptrAddrIA->setFQDNDnsServer(DNSAddr);
TCfgMgr::DNSUpdateProtocol proto = ClntCfgMgr().getDDNSProtocol();
DNSUpdate::DnsUpdateProtocol proto2 = DNSUpdate::DNSUPDATE_TCP;
if (proto == TCfgMgr::DNSUPDATE_UDP)
proto2 = DNSUpdate::DNSUPDATE_UDP;
if (proto == TCfgMgr::DNSUPDATE_ANY)
proto2 = DNSUpdate::DNSUPDATE_ANY;
unsigned int timeout = ClntCfgMgr().getDDNSTimeout();
#ifndef MOD_CLNT_DISABLE_DNSUPDATE
/* add AAAA record */
DNSUpdate *act = new DNSUpdate(DNSAddr->getPlain(), "", fqdn, addr->getPlain(),
DNSUPDATE_AAAA, proto2);
int result = act->run(timeout);
act->showResult(result);
delete act;
#else
Log(Error) << "This version is compiled without DNS Update support." << LogEnd;
return false;
#endif
}
return true;
}
bool TClntIfaceMgr::doDuties() {
SPtr<TClntIfaceIface> iface;
SPtr<TClntCfgIface> cfgIface;
this->firstIface();
while (iface = (Ptr*)this->getIface()) {
cfgIface = ClntCfgMgr().getIface(iface->getID());
if (cfgIface) {
// Log(Debug) << "FQDN State: " << cfgIface->getFQDNState() << " on " << iface->getFullName() << LogEnd;
if (cfgIface->getFQDNState() == STATE_INPROCESS) {
// Here we check if all parameters are set, and do the DNS update if possible
List(TIPv6Addr) DNSSrvLst = iface->getDNSServerLst();
string fqdn = iface->getFQDN();
if (ClntAddrMgr().countIA() > 0 && DNSSrvLst.count() > 0 && fqdn.size() > 0) {
Log(Warning) << "Sleeping 3 seconds before performing DNS Update." << LogEnd;
/** @todo: sleep cannot be performed here. What if client has to perform other
action during those 3 seconds? */
#ifdef WIN32
Sleep(3);
#else
sleep(3);
#endif
this->fqdnAdd(iface, fqdn);
}
}
}
}
ClntAddrMgr().dump();
this->dump();
return true;
}
void TClntMsgInfRequest::answer(SPtr<TClntMsg> msg)
{
copyAAASPI(msg);
TClntMsg::answer(msg);
#if 0
//which option have we requested from server
SPtr<TClntOptOptionRequest> ptrORO;
ptrORO = (Ptr*)getOption(OPTION_ORO);
SPtr<TOpt> option;
msg->firstOption();
while(option = msg->getOption())
{
//if option did what it was supposed to do ???
if (!option->doDuties()) {
// Log(Debug) << "Setting option " << option->getOptType() << " failed." << LogEnd;
continue;
}
if ( ptrORO && (ptrORO->isOption(option->getOptType())) )
ptrORO->delOption(option->getOptType());
SPtr<TOpt> requestOpt;
this->firstOption();
while ( requestOpt = this->getOption())
{
if (requestOpt->getOptType()==option->getOptType()) {
delOption(requestOpt->getOptType());
break;
}
}//while
}
ptrORO->delOption(OPTION_INFORMATION_REFRESH_TIME);
if (ptrORO && ptrORO->count())
{
if (ClntCfgMgr().insistMode()){
Log(Notice) << "Insist-mode enabled. Not all options were assigned (";
for (int i=0; i<ptrORO->count(); i++)
Log(Cont) << ptrORO->getReqOpt(i) << " ";
Log(Cont) << "). Sending new INFORMATION-REQUEST." << LogEnd;
ClntTransMgr().sendInfRequest(Options,Iface);
} else {
Log(Notice) << "Insist-mode disabled. Not all options were assigned (";
for (int i=0; i<ptrORO->count(); i++)
Log(Cont) << ptrORO->getReqOpt(i) << " ";
Log(Cont) << "). They will remain unconfigured." << LogEnd;
IsDone = true;
}
} else {
Log(Debug) << "All requested options were assigned." << LogEnd;
IsDone=true;
}
return;
#endif
}
bool TClntIfaceMgr::fqdnDel(SPtr<TClntIfaceIface> iface, SPtr<TAddrIA> ia, string fqdn)
{
SPtr<TIPv6Addr> dns = ia->getFQDNDnsServer();
// let's do deleting update
SPtr<TIPv6Addr> clntAddr;
ia->firstAddr();
SPtr<TAddrAddr> tmpAddr = ia->getAddr();
if (!tmpAddr) {
Log(Error) << "FQDN: Unable to delete FQDN: IA (IAID=" << ia->getIAID()
<< ") does not have any addresses." << LogEnd;
return false;
}
SPtr<TIPv6Addr> myAddr = tmpAddr->get();
SPtr<TClntCfgIface> ptrIface = ClntCfgMgr().getIface(iface->getID());
TCfgMgr::DNSUpdateProtocol proto = ClntCfgMgr().getDDNSProtocol();
DNSUpdate::DnsUpdateProtocol proto2 = DNSUpdate::DNSUPDATE_TCP;
if (proto == TCfgMgr::DNSUPDATE_UDP)
proto2 = DNSUpdate::DNSUPDATE_UDP;
if (proto == TCfgMgr::DNSUPDATE_ANY)
proto2 = DNSUpdate::DNSUPDATE_ANY;
unsigned int timeout = ClntCfgMgr().getDDNSTimeout();
Log(Debug) << "FQDN: Cleaning up DNS AAAA record in server " << *dns << ", for IP=" << *myAddr
<< " and FQDN=" << fqdn << LogEnd;
#ifndef MOD_CLNT_DISABLE_DNSUPDATE
DNSUpdate *act = new DNSUpdate(dns->getPlain(), "", fqdn, myAddr->getPlain(),
DNSUPDATE_AAAA_CLEANUP, proto2);
int result = act->run(timeout);
act->showResult(result);
delete act;
#else
Log(Error) << "This Dibbler version is compiled without DNS Update support." << LogEnd;
#endif
return false;
}
TClntMsgInfRequest::TClntMsgInfRequest(SPtr<TClntCfgIface> iface)
:TClntMsg(iface->getID(), 0, INFORMATION_REQUEST_MSG) {
IRT = INF_TIMEOUT;
MRT = INF_MAX_RT;
MRC = 0;
MRD = 0;
RT= 0 ;
Iface=iface->getID();
IsDone=false;
if (!ClntCfgMgr().anonInfRequest()) {
Options.push_back(new TOptDUID(OPTION_CLIENTID, ClntCfgMgr().getDUID(), this));
} else {
Log(Info) << "Sending anonymous INF-REQUEST (ClientID not included)." << LogEnd;
}
this->appendRequestedOptions();
appendAuthenticationOption();
appendElapsedOption();
send();
}
bool TClntOptLifetime::doDuties()
{
string reason = "trying to set Lifetime timer.";
int ifindex = this->Parent->getIface();
if (!DUID) {
Log(Error) << "Unable to find proper DUID while " << reason << LogEnd;
return false;
}
SPtr<TClntIfaceIface> iface = (Ptr*)ClntIfaceMgr().getIfaceByID(ifindex);
if (!iface) {
Log(Error) << "Unable to find interface ifindex=" << ifindex
<< reason << LogEnd;
return false;
}
SPtr<TClntCfgIface> cfgIface = ClntCfgMgr().getIface(ifindex);
return iface->setLifetime(DUID, Parent->getAddr(), Value);
}
bool TClntOptNTPServers::doDuties() {
string reason = "trying to set NTP server(s).";
int ifindex = this->Parent->getIface();
if (!this->DUID) {
Log(Error) << "Unable to find proper DUID while " << reason << LogEnd;
return false;
}
SPtr<TClntIfaceIface> iface = (Ptr*)ClntIfaceMgr().getIfaceByID(ifindex);
if (!iface) {
Log(Error) << "Unable to find interface ifindex=" << ifindex
<< reason << LogEnd;
return false;
}
SPtr<TClntCfgIface> cfgIface = ClntCfgMgr().getIface(ifindex);
cfgIface->setNTPServerState(STATE_CONFIGURED);
return iface->setNTPServerLst(DUID, Parent->getAddr(), AddrLst);
}
void TClntOptIA_PD::setState(EState state)
{
SPtr<TClntCfgIface> cfgIface = ClntCfgMgr().getIface(this->Iface);
SPtr<TClntCfgPD> cfgPD = cfgIface->getPD(getIAID());
if (!cfgPD) {
Log(Error) << "Unable to find PD with iaid=" << getIAID() << " on the "
<< cfgIface->getFullName() << " interface (CfgMgr)." << LogEnd;
return;
}
cfgPD->setState(state);
SPtr<TAddrIA> addrPD = ClntAddrMgr().getPD(getIAID());
if (!addrPD) {
/* Log(Error) << "Unable to find PD with iaid=" << getIAID() << " on the "
<< cfgIface->getFullName() << " interface (AddrMgr)." << LogEnd; */
/* Don't complain about it. It is normal that IA is being deleted when there
are no more prefixes in it */
return;
}
addrPD->setState(state);
}
bool TClntOptIA_PD::modifyPrefixes(TClntIfaceMgr::PrefixModifyMode mode)
{
bool status = false;
EState state = STATE_NOTCONFIGURED;
SPtr<TClntOptIAPrefix> prefix;
string action;
switch(mode) {
case TClntIfaceMgr::PREFIX_MODIFY_ADD:
action = "addition";
state = STATE_CONFIGURED;
break;
case TClntIfaceMgr::PREFIX_MODIFY_UPDATE:
action = "update";
state = STATE_CONFIGURED;
break;
case TClntIfaceMgr::PREFIX_MODIFY_DEL:
action = "delete";
state = STATE_NOTCONFIGURED;
break;
}
if ( (mode==TClntIfaceMgr::PREFIX_MODIFY_ADD) || (mode==TClntIfaceMgr::PREFIX_MODIFY_UPDATE) ) {
if ( (T1==0) && (T2==0) ) {
firstPrefix();
if (prefix = getPrefix()) {
T1 = prefix->getPref()/2;
T2 = (int)((prefix->getPref())*0.7);
Log(Notice) << "Server set T1 and T2 to 0. Choosing default (50%, 70% * prefered-lifetime): T1=" << T1
<< ", T2=" << T2 << LogEnd;
}
}
}
this->firstPrefix();
while (prefix = this->getPrefix() ) {
switch (mode) {
case TClntIfaceMgr::PREFIX_MODIFY_ADD:
ClntAddrMgr().addPrefix(this->DUID, this->Prefix, this->Iface, this->IAID, this->T1, this->T2,
prefix->getPrefix(), prefix->getPref(), prefix->getValid(), prefix->getPrefixLength(), false);
status = ClntIfaceMgr().addPrefix(this->Iface, prefix->getPrefix(), prefix->getPrefixLength(),
prefix->getPref(), prefix->getValid());
Log(Debug) << "RENEW will be sent (T1) after " << T1 << ", REBIND (T2) after " << T2 << " seconds." << LogEnd;
action = "addition";
break;
case TClntIfaceMgr::PREFIX_MODIFY_UPDATE:
ClntAddrMgr().updatePrefix(this->DUID, this->Prefix, this->Iface, this->IAID, this->T1, this->T2,
prefix->getPrefix(), prefix->getPref(), prefix->getValid(), prefix->getPrefixLength(), false);
status = ClntIfaceMgr().updatePrefix(this->Iface, prefix->getPrefix(), prefix->getPrefixLength(),
prefix->getPref(), prefix->getValid());
Log(Debug) << "RENEW will be sent (T1) after " << T1 << ", REBIND (T2) after " << T2 << " seconds." << LogEnd;
action = "update";
break;
case TClntIfaceMgr::PREFIX_MODIFY_DEL:
ClntAddrMgr().delPrefix(ClntCfgMgr().getDUID(), this->IAID, prefix->getPrefix(), false);
status = ClntIfaceMgr().delPrefix(this->Iface, prefix->getPrefix(), prefix->getPrefixLength() );
action = "delete";
break;
}
if (!status) {
string tmp = error_message();
Log(Error) << "Prefix error encountered during prefix " << action << " operation: " << tmp << LogEnd;
// Let's pretend it was configured and renew it
// setState(STATE_FAILED);
//return true;
}
}
setState(state);
return true;
}
/// @brief check if received message should be accepted.
///
/// The following conditions are checked:
/// - is server on the black-list?
/// - are all requested options present?
/// - is there requested IA option?
/// - is there requested TA option?
///
/// @param msg server's REPLY
///
/// @return true if REPLY is rejected
bool TClntMsgSolicit::shallRejectAnswer(SPtr<TClntMsg> msg)
{
bool somethingAssigned = false;
// this == solicit or request
// msg == reply
SPtr<TOptDUID> srvDUID = (Ptr*) msg->getOption(OPTION_SERVERID);
if (!srvDUID) {
Log(Notice) << "No server identifier provided. Message ignored." << LogEnd;
return true;
}
//is this server rejected?
SPtr<TClntCfgIface> iface = ClntCfgMgr().getIface(this->Iface);
if (!iface) {
Log(Error) << "Unable to find iface=" << this->Iface << "." << LogEnd;
return true;
}
if (iface->isServerRejected(msg->getAddr(), srvDUID->getDUID())) {
Log(Notice) << "Server was rejected (duid=" << srvDUID->getDUID() << ")." << LogEnd;
return true;
}
// have we asked for IA?
bool iaOk = true;
if (this->getOption(OPTION_IA_NA))
{
/// @todo Check if proper IAIDs are returned, also if all IA were answered (if requested
/// several IAs were requested)
/// @todo Check all IA_NAs, not just first one
SPtr<TClntOptIA_NA> ia = (Ptr*)msg->getOption(OPTION_IA_NA);
if (!ia) {
Log(Notice) << "IA_NA option requested, but not present in this message. Ignored." << LogEnd;
iaOk = false;
} else {
if (!ia->getOption(OPTION_IAADDR)) {
Log(Notice) << "IA_NA option returned, but without any addresses. Ignored." << LogEnd;
iaOk = false;
}
SPtr<TClntOptStatusCode> st = (Ptr*)ia->getOption(OPTION_STATUS_CODE);
if (st && st->getCode()!= STATUSCODE_SUCCESS) {
Log(Notice) << "IA_NA has status code!=SUCCESS: " << st->getCode()
<< "(" << st->getText() << "). Ignored." << LogEnd;
iaOk = false;
}
}
if (iaOk)
somethingAssigned = true;
}
// have we asked for TA?
bool taOk = true;
if (this->getOption(OPTION_IA_TA)) {
SPtr<TClntOptTA> ta = (Ptr*)msg->getOption(OPTION_IA_TA);
if (!ta) {
Log(Notice) << "TA option requested, but not present in this message. Ignored." << LogEnd;
taOk = false;
} else {
if (!ta->getOption(OPTION_IAADDR)) {
Log(Notice) << "TA option received, but without IAADDR" << LogEnd;
taOk = false;
}
SPtr<TClntOptStatusCode> st = (Ptr*)ta->getOption(OPTION_STATUS_CODE);
if (st && st->getCode()!= STATUSCODE_SUCCESS) {
Log(Notice) << "IA_TA has status code!=SUCCESS: " << st->getCode()
<< "(" << st->getText() << "). Ignored." << LogEnd;
taOk = false;
}
}
if (taOk)
somethingAssigned = true;
}
// have we asked for PD?
bool pdOk = true;
if (getOption(OPTION_IA_PD)) {
SPtr<TClntOptIA_PD> pd = (Ptr*) msg->getOption(OPTION_IA_PD);
if (!pd) {
Log(Notice) << "PD option requested, but not returned in this message. Ignored." << LogEnd;
pdOk = false;
} else {
if (!pd->getOption(OPTION_IAPREFIX)) {
Log(Notice) << "Received PD without any prefixes." << LogEnd;
pdOk = false;
}
/// @todo: We should check all iaprefix instances, not just one.
/// We should accept the PD if there's at least one valid prefix.
if (!pd->getOption(OPTION_IAPREFIX)->isValid()) {
Log(Warning) << "IA_Prefix option is not valid." << LogEnd;
pdOk = false;
}
SPtr<TClntOptStatusCode> st = (Ptr*)pd->getOption(OPTION_STATUS_CODE);
if (st && st->getCode()!= STATUSCODE_SUCCESS) {
Log(Notice) << "IA_NA has status code!=SUCCESS: " << st->getCode()
<< "(" << st->getText() << "). Ignored." << LogEnd;
pdOk = false;
}
}
if (pdOk)
somethingAssigned = true;
}
if (!somethingAssigned)
return true; // this advertise does not offers us anything
if (!ClntCfgMgr().insistMode())
return false; // accept this advertise
// insist-mode enabled. We MUST get everything we wanted or we reject this answer
if (iaOk && taOk && pdOk)
return false;
else
return true;
}
bool TClntOptIA_NA::doDuties() {
// find this IA in addrMgr...
SPtr<TAddrIA> ptrIA=ClntAddrMgr().getIA(this->getIAID());
if (!ptrIA) {
// unknown IAID, ignore it
Log(Warning) << "Received message contains unknown IA (IAID="
<< this->getIAID() << "). We didn't order it. Weird... ignoring it." << LogEnd;
return true;
}
// IAID found, set up new received options.
SPtr<TAddrAddr> ptrAddrAddr;
SPtr<TOptIAAddress> ptrOptAddr;
SPtr<TIfaceIface> ptrIface;
ptrIface = ClntIfaceMgr().getIfaceByID(Iface_);
if (!ptrIface)
{
Log(Error) << "Interface with ifindex=" << Iface_ << " not found." << LogEnd;
return true;
}
// for each address in IA option...
this->firstAddr();
while (ptrOptAddr = this->getAddr() ) {
ptrAddrAddr = ptrIA->getAddr( ptrOptAddr->getAddr() );
// no such address in DB ??
if (!ptrAddrAddr) {
if (ptrOptAddr->getValid()) {
int prefixLen = ptrIface->getPrefixLength();
if (ptrOptAddr->getOption(OPTION_ADDRPARAMS)) {
Log(Debug) << "Experimental addr-params found." << LogEnd;
SPtr<TOptAddrParams> optAddrParams =
SPtr_cast<TOptAddrParams>(ptrOptAddr->getOption(OPTION_ADDRPARAMS));
prefixLen = optAddrParams->getPrefix();
}
// add this address in addrDB...
ptrIA->addAddr(ptrOptAddr->getAddr(), ptrOptAddr->getPref(),
ptrOptAddr->getValid(), prefixLen);
ptrIA->setDUID(this->DUID);
// ... and in IfaceMgr -
ptrIface->addAddr(ptrOptAddr->getAddr(), ptrOptAddr->getPref(),
ptrOptAddr->getValid(), prefixLen);
}
else {
Log(Warning) << "Server send new addr with valid lifetime 0." << LogEnd;
}
} else {
// we have this addr in DB
if ( ptrOptAddr->getValid() == 0 ) {
// valid=0, release this address
// delete address from addrDB
ptrIA->delAddr(ptrOptAddr->getAddr());
// delete address from IfaceMgr
ptrIface->delAddr(ptrOptAddr->getAddr(), ptrIface->getPrefixLength());
break; // analyze next option OPTION_IA_NA
}
// set up new options in IfaceMgr
SPtr<TIfaceIface> ptrIface = ClntIfaceMgr().getIfaceByID(Iface_);
if (ptrIface)
ptrIface->updateAddr(ptrOptAddr->getAddr(),
ptrOptAddr->getPref(),
ptrOptAddr->getValid());
// set up new options in addrDB
ptrAddrAddr->setPref(ptrOptAddr->getPref());
ptrAddrAddr->setValid(ptrOptAddr->getValid());
ptrAddrAddr->setTimestamp();
}
}
SPtr<TClntCfgIA> ptrCfgIA;
ptrCfgIA=ClntCfgMgr().getIA(ptrIA->getIAID());
if (getT1() && getT2()) {
ptrIA->setT1( this->getT1() );
ptrIA->setT2( this->getT2() );
Log(Debug) << "RENEW(IA_NA) will be sent (T1) after " << ptrIA->getT1()
<< ", REBIND (T2) after " << ptrIA->getT2() << " seconds." << LogEnd;
} else {
this->firstAddr();
ptrOptAddr = this->getAddr();
if (ptrOptAddr) {
ptrIA->setT1( ptrOptAddr->getPref()/2);
ptrIA->setT2( (int)((ptrOptAddr->getPref())*0.7) );
Log(Notice) << "Server set T1 and T2 to 0. Choosing default (50%, "
<< "70% * prefered-lifetime): T1=" << ptrIA->getT1()
<< ", T2=" << ptrIA->getT2() << LogEnd;
}
}
ptrIA->setTimestamp();
ptrIA->setState(STATE_CONFIGURED);
ptrCfgIA->setState(STATE_CONFIGURED);
return true;
}
*/bool TClntOptTA::doDuties()
{
// find this TA in addrMgr...
SPtr<TAddrIA> ta = ClntAddrMgr().getTA(this->getIAID());
if (!ta) {
Log(Debug) << "Creating TA (iaid=" << this->getIAID() << ") in the addrDB." << LogEnd;
ta = new TAddrIA(this->Iface, TAddrIA::TYPE_TA, 0 /*if unicast, then this->Addr*/,
this->DUID, DHCPV6_INFINITY,
DHCPV6_INFINITY, this->getIAID());
ClntAddrMgr().addTA(ta);
}
// IAID found, set up new received options.
SPtr<TAddrAddr> addr;
SPtr<TClntOptIAAddress> optAddr;
SPtr<TIfaceIface> ptrIface;
ptrIface = ClntIfaceMgr().getIfaceByID(this->Iface);
if (!ptrIface)
{
Log(Error) << "Interface " << this->Iface << " not found." << LogEnd;
return true;
}
// for each address in IA option...
this->firstAddr();
while (optAddr = this->getAddr() ) {
addr = ta->getAddr( optAddr->getAddr() );
if (!addr) { // - no such address in DB -
if (!optAddr->getValid()) {
Log(Warning) << "Server send new addr with valid=0." << LogEnd;
continue;
}
// add this address in addrDB...
ta->addAddr(optAddr->getAddr(), optAddr->getPref(), optAddr->getValid());
ta->setDUID(this->DUID);
// ... and in IfaceMgr -
ptrIface->addAddr(optAddr->getAddr(), optAddr->getPref(), optAddr->getValid(), ptrIface->getPrefixLength());
Log(Notice) << "Temp. address " << *optAddr->getAddr() << " has been added to "
<< ptrIface->getName() << "/" << ptrIface->getID()
<< " interface." << LogEnd;
} else { // - we have this addr in DB -
if ( optAddr->getValid() == 0 ) {
// valid=0, release this address and delete address from addrDB
ta->delAddr(optAddr->getAddr());
// delete address from IfaceMgr
ptrIface->delAddr(optAddr->getAddr(), ptrIface->getPrefixLength());
continue; // analyze next option OPTION_IA
}
// set up new options in IfaceMgr
ptrIface->updateAddr(optAddr->getAddr(), optAddr->getPref(), optAddr->getValid());
// set up new options in addrDB
addr->setPref(optAddr->getPref());
addr->setValid(optAddr->getValid());
addr->setTimestamp();
}
}
// mark this TA as configured
SPtr<TClntCfgTA> cfgTA;
SPtr<TClntCfgIface> cfgIface;
if (! (cfgIface = ClntCfgMgr().getIface(this->Iface)) ) {
Log(Error) << "Unable to find TA class in the CfgMgr, on the " << this->Iface << " interface." << LogEnd;
return true;
}
cfgIface->firstTA();
cfgTA = cfgIface->getTA();
cfgTA->setState(STATE_CONFIGURED);
ta->setState(STATE_CONFIGURED);
return true;
}
SPtr<TClntMsg> TClntIfaceMgr::select(unsigned int timeout)
{
int bufsize=4096;
static char buf[4096];
SPtr<TIPv6Addr> peer(new TIPv6Addr());
int sockid;
int msgtype;
int ifaceid;
sockid = TIfaceMgr::select(timeout, buf, bufsize, peer);
if (sockid>0) {
if (bufsize<4) {
if (buf[0]!=CONTROL_MSG) {
Log(Warning) << "Received message is too short (" << bufsize
<< ") bytes." << LogEnd;
} else {
Log(Warning) << "Control message received." << LogEnd;
}
return 0; // NULL
}
msgtype = buf[0];
SPtr<TClntMsg> ptr;
SPtr<TIfaceIface> ptrIface;
ptrIface = this->getIfaceBySocket(sockid);
ifaceid = ptrIface->getID();
Log(Debug) << "Received " << bufsize << " bytes on interface " << ptrIface->getName() << "/"
<< ptrIface->getID() << " (socket=" << sockid << ", addr=" << *peer << "."
<< ")." << LogEnd;
switch (msgtype) {
case ADVERTISE_MSG:
ptr = new TClntMsgAdvertise(ifaceid,peer,buf,bufsize);
#ifndef MOD_DISABLE_AUTH
if (!ptr->validateAuthInfo(buf, bufsize, ClntCfgMgr().getAuthAcceptMethods())) {
Log(Error) << "Message dropped, authentication validation failed." << LogEnd;
return 0;
}
#endif
return ptr;
case SOLICIT_MSG:
case REQUEST_MSG:
case CONFIRM_MSG:
case RENEW_MSG:
case REBIND_MSG:
case RELEASE_MSG:
case DECLINE_MSG:
case INFORMATION_REQUEST_MSG:
Log(Warning) << "Illegal message type " << msgtype << " received." << LogEnd;
return 0; // NULL
case REPLY_MSG:
ptr = new TClntMsgReply(ifaceid, peer, buf, bufsize);
#ifndef MOD_DISABLE_AUTH
if (!ptr->validateAuthInfo(buf, bufsize, ClntCfgMgr().getAuthAcceptMethods())) {
Log(Error) << "Message dropped, authentication validation failed." << LogEnd;
return 0;
}
#endif
return ptr;
case RECONFIGURE_MSG:
Log(Warning) << "Reconfigure Message is currently not supported." << LogEnd;
return 0; // NULL
case RELAY_FORW_MSG: // those two msgs should not be visible for client
case RELAY_REPL_MSG:
default:
Log(Warning) << "Message type " << msgtype << " is not supposed to "
<< "be received by client. Check your relay/server configuration." << LogEnd;
return 0;
}
} else {
return 0;
}
}
bool TClntIfaceMgr::modifyPrefix(int iface, SPtr<TIPv6Addr> prefix, int prefixLen,
unsigned int pref, unsigned int valid,
PrefixModifyMode mode)
{
SPtr<TClntIfaceIface> ptrIface = (Ptr*)getIfaceByID(iface);
if (!ptrIface) {
Log(Error) << "Unable to find interface with ifindex=" << iface
<< ", prefix add/modify operation failed." << LogEnd;
return false;
}
string action;
int conf = 0; // number of successfully configured prefixes
int status = -1;
switch (mode) {
case PREFIX_MODIFY_ADD:
action = "Adding";
break;
case PREFIX_MODIFY_UPDATE:
action = "Updating";
break;
case PREFIX_MODIFY_DEL:
action = "Deleting";
break;
}
// option: split this prefix and add it to all interfaces
Log(Notice) << "PD: " << action << " prefix " << prefix->getPlain() << "/" << (int)prefixLen
<< " to all interfaces (prefix will be split to /"
<< int(prefixLen+8) << " prefixes if necessary)." << LogEnd;
if (prefixLen>120) {
Log(Error) << "PD: Unable to perform prefix operation: prefix /" << prefixLen
<< " can't be split. At least /120 prefix is required." << LogEnd;
return false;
}
// get a list of interfaces that we will assign prefixes to
TIfaceIfaceLst ifaceLst;
vector<string> ifaceNames = ClntCfgMgr().getDownlinkPrefixIfaces();
for (vector<string>::const_iterator name = ifaceNames.begin(); name != ifaceNames.end(); ++name) {
SPtr<TIfaceIface> x = getIfaceByName(*name);
if (x)
ifaceLst.push_back(x);
else
Log(Warning) << "Interface " << *name << " specified in downlink-prefix-ifaces is missing." << LogEnd;
}
if (ifaceLst.size() == 0) {
SPtr<TIfaceIface> x;
firstIface();
while ( x = (Ptr*)getIface() ) {
if (x->getID() == ptrIface->getID()) {
Log(Debug) << "PD: Interface " << x->getFullName()
<< " is the interface, where prefix has been obtained, skipping." << LogEnd;
continue;
}
// for each interface present in the system...
if (!x->flagUp()) {
Log(Debug) << "PD: Interface " << x->getFullName() << " is down, ignoring." << LogEnd;
continue;
}
if (!x->flagRunning()) {
Log(Debug) << "PD: Interface " << x->getFullName()
<< " has flag RUNNING not set, ignoring." << LogEnd;
continue;
}
if (!x->flagMulticast()) {
Log(Debug) << "PD: Interface " << x->getFullName()
<< " is not multicast capable, ignoring." << LogEnd;
continue;
}
if ( !(x->getMacLen() > 5) ) {
Log(Debug) << "PD: Interface " << x->getFullName()
<< " has MAC address length " << x->getMacLen()
<< " (6 or more required), ignoring." << LogEnd;
continue;
}
x->firstLLAddress();
if (!x->getLLAddress()) {
Log(Debug) << "PD: Interface " << x->getFullName()
<< " has no link-local address, ignoring. (Disconnected? Not associated? No-link?)" << LogEnd;
continue;
}
ifaceLst.push_back(x);
}
}
Log(Info) << "PD: Using " << ifaceLst.size() << " suitable interface(s):";
TIfaceIfaceLst::const_iterator i;
for (TIfaceIfaceLst::const_iterator i=ifaceLst.begin(); i!=ifaceLst.end(); ++i) {
Log(Cont) << (*i)->getName() << " ";
}
Log(Cont) << LogEnd;
if (ifaceLst.size() == 0) {
Log(Warning) << "Suitable interfaces not found. Delegated prefix not split." << LogEnd;
return true;
}
for (TIfaceIfaceLst::const_iterator i=ifaceLst.begin(); i!=ifaceLst.end(); ++i) {
char buf[16];
int subprefixLen;
memmove(buf, prefix->getAddr(), 16);
if (ifaceLst.size() == 1) {
// just one interface - use delegated prefix as is
subprefixLen = prefixLen;
} else if (ifaceLst.size()<256) {
subprefixLen = prefixLen + 8;
int offset = prefixLen/8;
if (prefixLen%8 == 0) {
// that's easy, just put ID in the next octet
buf[offset] = (*i)->getID();
} else {
// here's fun
uint16_t existing = readUint16(buf+offset);
uint16_t bitmask = 0xff00;
uint16_t infixmask = ((uint8_t)(*i)->getID()) << 8;
bitmask = bitmask >> (prefixLen%8);
infixmask = infixmask >> (prefixLen%8);
// clear out if there is anything there, i.e. server assigned prefix
// with garbage in host section
existing = existing & (~bitmask);
existing = existing | (bitmask & infixmask);
writeUint16(buf+offset, existing);
}
} else {
:TClntMsg(iface, addr, RELEASE_MSG)
{
SPtr<TDUID> srvDUID;
IRT=REL_TIMEOUT;
MRT=0;
MRC=REL_MAX_RC;
MRD=0;
RT=0;
// obtain IA, TA or PD, so server DUID can be obtained
SPtr<TAddrIA> x = 0;
if (iaLst.count()) {
iaLst.first();
x=iaLst.get();
}
if (!x)
x = ta;
if (!x) {
pdLst.first();
x = pdLst.get();
}
if (!x) {
Log(Error) << "Unable to send RELEASE. No IA, TA or PD provided." << LogEnd;
this->IsDone = true;
return;
}
if (!x->getDUID()) {
Log(Error) << "Unable to send RELEASE. Unable to find DUID. " << LogEnd;
this->IsDone = true;
return;
}
srvDUID = x->getDUID();
Options.push_back(new TOptDUID(OPTION_SERVERID, srvDUID,this));
Options.push_back(new TOptDUID(OPTION_CLIENTID, ClntCfgMgr().getDUID(),this));
#if 0
if (ClntCfgMgr().getNotifyScripts()) {
// release workaround (add removed IAs)
/// @todo: WTF? Why are those IAs removed?
iaLst.first();
SPtr<TAddrIA> ia;
while (ia = iaLst.get())
{
ClntAddrMgr().addIA(ia);
}
iaLst.first();
while (ia = iaLst.get())
{
ClntAddrMgr().delIA(ia->getIAID());
}
}
#endif
// --- RELEASE IA ---
iaLst.first();
while(x=iaLst.get()) {
Options.push_back(new TClntOptIA_NA(x,this));
SPtr<TAddrAddr> ptrAddr;
SPtr<TClntIfaceIface> ptrIface;
ptrIface = (Ptr*)ClntIfaceMgr().getIfaceByID(x->getIface());
x->firstAddr();
while (ptrAddr = x->getAddr()) {
ptrIface->delAddr(ptrAddr->get(), ptrAddr->getPrefix());
}
// --- DNS Update ---
SPtr<TIPv6Addr> dns = x->getFQDNDnsServer();
if (dns) {
string fqdn = ptrIface->getFQDN();
ClntIfaceMgr().fqdnDel(ptrIface, x, fqdn);
}
// --- DNS Update ---
}
// --- RELEASE TA ---
if (ta)
Options.push_back(new TClntOptTA(ta, this));
// --- RELEASE PD ---
SPtr<TAddrIA> pd = 0;
pdLst.first();
while(pd=pdLst.get()) {
SPtr<TClntOptIA_PD> pdOpt = new TClntOptIA_PD(pd,this);
Options.push_back( (Ptr*)pdOpt );
pdOpt->setContext(srvDUID, addr, this);
pdOpt->delPrefixes();
ClntAddrMgr().delPD(pd->getIAID() );
}
appendElapsedOption();
appendAuthenticationOption();
IsDone = false;
send();
}
bool TClntMsgReply::check() {
bool anonInfReq = ClntCfgMgr().anonInfRequest();
return TClntMsg::check(!anonInfReq /* clientID mandatory */, true /* serverID mandatory */ );
}