/**
* match parsed interfaces with interfaces detected in system.
* ClntCfgIface objects copied to CfgMgr.
*
* @param parser
*
* @return true if ok, false if interface definitions are incorrect
*/
bool TClntCfgMgr::matchParsedSystemInterfaces(ClntParser *parser) {
int cfgIfaceCnt;
cfgIfaceCnt = parser->ClntCfgIfaceLst.count();
Log(Debug) << cfgIfaceCnt << " interface(s) specified in " << CLNTCONF_FILE << LogEnd;
SPtr<TClntCfgIface> cfgIface;
SPtr<TIfaceIface> ifaceIface;
if (cfgIfaceCnt) {
// user specified some interfaces in config file
parser->ClntCfgIfaceLst.first();
while(cfgIface = parser->ClntCfgIfaceLst.get()) {
// for each interface (from config file)
if (cfgIface->getID()==-1) {
ifaceIface = ClntIfaceMgr().getIfaceByName(cfgIface->getName());
} else {
ifaceIface = ClntIfaceMgr().getIfaceByID(cfgIface->getID());
}
if (!ifaceIface) {
if (inactiveMode()) {
Log(Info) << "Interface " << cfgIface->getFullName()
<< " is not currently available (that's ok, inactive-mode enabled)." << LogEnd;
continue;
}
Log(Error) << "Interface " << cfgIface->getFullName()
<< " specified in " << CLNTCONF_FILE << " is not present or does not support IPv6."
<< LogEnd;
return false;
}
if (cfgIface->noConfig()) {
Log(Info) << "Interface " << cfgIface->getFullName()
<< " has flag no-config set, so it is ignored." << LogEnd;
continue;
}
#ifdef MOD_REMOTE_AUTOCONF
if (RemoteAutoconf) {
List(TIPv6Addr) emptyLst;
SPtr<TOpt> optNeighbors = new TOptAddrLst(OPTION_NEIGHBORS, emptyLst, 0);
Log(Debug) << "Enabled Neighbors option on " << cfgIface->getFullName() << LogEnd;
cfgIface->addExtraOption(optNeighbors, false);
}
#endif
cfgIface->setIfaceName(ifaceIface->getName());
cfgIface->setIfaceID(ifaceIface->getID());
// setup default prefix length (used when IPv6 address is added to the interface)
ifaceIface->setPrefixLength(cfgIface->getOnLinkPrefixLength());
if (!ifaceIface->flagUp() || !ifaceIface->countLLAddress()) {
if (inactiveMode()) {
Log(Notice) << "Interface " << ifaceIface->getFullName()
<< " is not operational yet (does not have "
<< "link-local address or is down), skipping it for now." << LogEnd;
addIface(cfgIface);
makeInactiveIface(cfgIface->getID(), true, true, true); // move it to InactiveLst
continue;
}
Log(Crit) << "Interface " << ifaceIface->getFullName()
<< " is down or doesn't have any link-local address." << LogEnd;
return false;
}
// Check if the interface is during bring-up phase
// (i.e. DAD procedure for link-local addr is not complete yet)
char tmp[64];
ifaceIface->firstLLAddress();
inet_ntop6(ifaceIface->getLLAddress(), tmp);
if (is_addr_tentative(ifaceIface->getName(), ifaceIface->getID(), tmp)
== LOWLEVEL_TENTATIVE_YES) {
Log(Notice) << "Interface " << ifaceIface->getFullName()
<< " has link-local address " << tmp
<< ", but it is currently tentative." << LogEnd;
if (this->inactiveMode()) {
Log(Notice) << "Interface " << ifaceIface->getFullName()
<< " is not operational yet (link-local address "
<< "is not ready), skipping it for now." << LogEnd;
addIface(cfgIface);
makeInactiveIface(cfgIface->getID(), true, true, true); // move it to InactiveLst
continue;
}
Log(Crit) << "Interface " << ifaceIface->getFullName()
<< " has tentative link-local address (and inactive-mode is disabled)." << LogEnd;
return false;
}
if (obeyRaBits()) {
if (!ifaceIface->getMBit() && !ifaceIface->getOBit()) {
Log(Info) << "Interface " << cfgIface->getFullName()
<< " configuration loaded, but did not receive a Router "
<< "Advertisement with M or O bits set, adding to inactive."
<< LogEnd;
addIface(cfgIface);
makeInactiveIface(cfgIface->getID(), true, true, true); // move it to inactive list
continue;
}
cfgIface->setMbit(ifaceIface->getMBit());
cfgIface->setObit(ifaceIface->getOBit());
}
addIface(cfgIface);
Log(Info) << "Interface " << cfgIface->getFullName()
<< " configuration has been loaded." << LogEnd;
}
return countIfaces() || (inactiveMode() && inactiveIfacesCnt());
} else {
// user didn't specified any interfaces in config file, so
// we'll try to configure each interface we could find
Log(Warning) << "Config file does not contain any interface definitions. Trying to autodetect."
<< LogEnd;
List(TIPv6Addr) dnsList;
dnsList.clear();
parser->ParserOptStack.getLast()->setDNSServerLst(&dnsList);
// Try to add a hostname
char hostname[255];
if (get_hostname(hostname, 255) == LOWLEVEL_NO_ERROR) {
parser->ParserOptStack.getLast()->setFQDN(string(hostname));
} else {
parser->ParserOptStack.getLast()->setFQDN(string(""));
}
int cnt = 0;
ClntIfaceMgr().firstIface();
while ( ifaceIface = ClntIfaceMgr().getIface() ) {
// for each interface present in the system...
if (!inactiveMode()) {
if (!ifaceIface->flagUp()) {
Log(Notice) << "Interface " << ifaceIface->getFullName() << " is down, ignoring." << LogEnd;
continue;
}
if (!ifaceIface->flagRunning()) {
Log(Notice) << "Interface " << ifaceIface->getFullName()
<< " has flag RUNNING not set, ignoring." << LogEnd;
continue;
}
if (!ifaceIface->flagMulticast()) {
Log(Notice) << "Interface " << ifaceIface->getFullName()
<< " is not multicast capable, ignoring." << LogEnd;
continue;
}
}
if ( !(ifaceIface->getMacLen() > 5) ) {
Log(Notice) << "Interface " << ifaceIface->getFullName()
<< " has MAC address length " << ifaceIface->getMacLen()
<< " (6 or more required), ignoring." << LogEnd;
continue;
}
// ignore disabled Teredo pseudo-interface on Win (and other similar useless junk)
const static unsigned char zeros[] = {0,0,0,0,0,0,0,0};
const static unsigned char ones[] = {0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff};
if ( (ifaceIface->getMacLen()<=8) &&
(!memcmp(zeros, ifaceIface->getMac(), min(8,ifaceIface->getMacLen())) ||
!memcmp(ones, ifaceIface->getMac(), min(8,ifaceIface->getMacLen()))) ) {
Log(Notice) << "Interface " << ifaceIface->getFullName()
<< " has invalid MAC address "
<< hexToText((uint8_t*)ifaceIface->getMac(), ifaceIface->getMacLen(), true)
<< ", ignoring." << LogEnd;
continue;
}
if (!ifaceIface->countLLAddress()) {
Log(Notice) << "Interface " << ifaceIface->getFullName()
<< " has no link-local address, ignoring. "
<< "(Disconnected? Not associated? No-link?)" << LogEnd;
continue;
}
// One address...
SPtr<TClntCfgAddr> addr(new TClntCfgAddr());
addr->setOptions(parser->ParserOptStack.getLast());
// ... is stored in one IA...
SPtr<TClntCfgIA> ia = new TClntCfgIA();
ia->setOptions(parser->ParserOptStack.getLast());
ia->addAddr(addr);
// ... on this newly created interface...
cfgIface = SPtr<TClntCfgIface>(new TClntCfgIface(ifaceIface->getID()));
cfgIface->setIfaceName(ifaceIface->getName());
cfgIface->setIfaceID(ifaceIface->getID());
cfgIface->addIA(ia);
cfgIface->setOptions(parser->ParserOptStack.getLast());
// ... which is added to ClntCfgMgr
addIface(cfgIface);
Log(Info) << "Interface " << cfgIface->getFullName()
<< " has been added." << LogEnd;
if (inactiveMode() && !ifaceIface->flagRunning() ) {
makeInactiveIface(cfgIface->getID(), true, true, true); // move it to InactiveLst
Log(Notice) << "Interface " << ifaceIface->getFullName()
<< " is not operational yet"
<< " (not running), made inactive." << LogEnd;
}
cnt ++;
}
if (!cnt) {
Log(Crit) << "Unable to detect any suitable interfaces. If there are any interfaces that you"
<< " want to have configured, please specify them in client.conf file." << LogEnd;
return false;
}
}
return true;
}
/**
* match parsed interfaces with interfaces detected in system.
* ClntCfgIface objects copied to CfgMgr.
*
* @param parser
*
* @return
*/
bool TClntCfgMgr::matchParsedSystemInterfaces(ClntParser *parser) {
int cfgIfaceCnt;
cfgIfaceCnt = parser->ClntCfgIfaceLst.count();
Log(Debug) << cfgIfaceCnt << " interface(s) specified in " << CLNTCONF_FILE << LogEnd;
SPtr<TClntCfgIface> cfgIface;
SPtr<TIfaceIface> ifaceIface;
if (cfgIfaceCnt) {
// user specified some interfaces in config file
parser->ClntCfgIfaceLst.first();
while(cfgIface = parser->ClntCfgIfaceLst.get()) {
// for each interface (from config file)
if (cfgIface->getID()==-1) {
ifaceIface = ClntIfaceMgr().getIfaceByName(cfgIface->getName());
} else {
ifaceIface = ClntIfaceMgr().getIfaceByID(cfgIface->getID());
}
if (!ifaceIface) {
Log(Error) << "Interface " << cfgIface->getName() << "/" << cfgIface->getID()
<< " specified in " << CLNTCONF_FILE << " is not present or does not support IPv6."
<< LogEnd;
return false;
}
if (cfgIface->noConfig()) {
Log(Info) << "Interface " << cfgIface->getName() << "/" << cfgIface->getID()
<< " has flag no-config set, so it is ignored." << LogEnd;
continue;
}
#ifdef MOD_REMOTE_AUTOCONF
if (RemoteAutoconf) {
List(TIPv6Addr) emptyLst;
SPtr<TOpt> optNeighbors = new TOptAddrLst(OPTION_NEIGHBORS, emptyLst, 0);
Log(Debug) << "Enabled Neighbors option on " << cfgIface->getFullName() << LogEnd;
cfgIface->addExtraOption(optNeighbors, false);
}
#endif
cfgIface->setIfaceName(ifaceIface->getName());
cfgIface->setIfaceID(ifaceIface->getID());
// setup default prefix length (used when IPv6 address is added to the interface)
ifaceIface->setPrefixLength(cfgIface->getPrefixLength());
if (!ifaceIface->countLLAddress()) {
if (this->inactiveMode()) {
Log(Notice) << "Interface " << ifaceIface->getFullName()
<< " is not operational yet (does not have "
<< "link-local address), skipping it for now." << LogEnd;
addIface(cfgIface);
makeInactiveIface(cfgIface->getID(), true); // move it to InactiveLst
return true;
}
Log(Crit) << "Interface " << ifaceIface->getFullName()
<< " is down or doesn't have any link-local address." << LogEnd;
return false;
}
// Check if the interface is during bring-up phase
// (i.e. DAD procedure for link-local addr is not complete yet)
char tmp[64];
ifaceIface->firstLLAddress();
inet_ntop6(ifaceIface->getLLAddress(), tmp);
if (is_addr_tentative(ifaceIface->getName(), ifaceIface->getID(), tmp)
== LOWLEVEL_TENTATIVE_YES) {
Log(Notice) << "Interface " << ifaceIface->getFullName()
<< " has link-local address " << tmp
<< ", but it is currently tentative." << LogEnd;
if (this->inactiveMode()) {
Log(Notice) << "Interface " << ifaceIface->getFullName()
<< " is not operational yet (link-local address "
<< "is not ready), skipping it for now." << LogEnd;
addIface(cfgIface);
makeInactiveIface(cfgIface->getID(), true); // move it to InactiveLst
return true;
}
Log(Crit) << "Interface " << ifaceIface->getFullName()
<< " has tentative link-local address (and inactive-mode is disabled)." << LogEnd;
return false;
}
this->addIface(cfgIface);
Log(Info) << "Interface " << cfgIface->getName() << "/" << cfgIface->getID()
<< " configuation has been loaded." << LogEnd;
}
} else {
// user didn't specified any interfaces in config file, so
// we'll try to configure each interface we could find
Log(Warning) << "Config file does not contain any interface definitions. Trying to autodetect."
<< LogEnd;
List(TIPv6Addr) dnsList;
dnsList.clear();
parser->ParserOptStack.getLast()->setDNSServerLst(&dnsList);
int cnt = 0;
ClntIfaceMgr().firstIface();
while ( ifaceIface = ClntIfaceMgr().getIface() ) {
// for each interface present in the system...
if (!ifaceIface->flagUp()) {
Log(Notice) << "Interface " << ifaceIface->getFullName() << " is down, ignoring." << LogEnd;
continue;
}
if (!ifaceIface->flagRunning()) {
Log(Notice) << "Interface " << ifaceIface->getFullName()
<< " has flag RUNNING not set, ignoring." << LogEnd;
continue;
}
if (!ifaceIface->flagMulticast()) {
Log(Notice) << "Interface " << ifaceIface->getFullName()
<< " is not multicast capable, ignoring." << LogEnd;
continue;
}
if ( !(ifaceIface->getMacLen() > 5) ) {
Log(Notice) << "Interface " << ifaceIface->getFullName()
<< " has MAC address length " << ifaceIface->getMacLen()
<< " (6 or more required), ignoring." << LogEnd;
continue;
}
ifaceIface->firstLLAddress();
if (!ifaceIface->getLLAddress()) {
Log(Notice) << "Interface " << ifaceIface->getFullName()
<< " has no link-local address, ignoring. "
<< "(Disconnected? Not associated? No-link?)" << LogEnd;
continue;
}
// One address...
SPtr<TClntCfgAddr> addr(new TClntCfgAddr());
addr->setOptions(parser->ParserOptStack.getLast());
// ... is stored in one IA...
SPtr<TClntCfgIA> ia = new TClntCfgIA();
ia->setOptions(parser->ParserOptStack.getLast());
ia->addAddr(addr);
// ... on this newly created interface...
cfgIface = SPtr<TClntCfgIface>(new TClntCfgIface(ifaceIface->getID()));
cfgIface->setIfaceName(ifaceIface->getName());
cfgIface->setIfaceID(ifaceIface->getID());
cfgIface->addIA(ia);
cfgIface->setOptions(parser->ParserOptStack.getLast());
// ... which is added to ClntCfgMgr
this->addIface(cfgIface);
Log(Info) << "Interface " << cfgIface->getName() << "/" << cfgIface->getID()
<< " has been added." << LogEnd;
cnt ++;
}
if (!cnt) {
Log(Crit) << "Unable to detect any suitable interfaces. If there are any interfaces that you"
<< " want to have configured, please specify them in client.conf file." << LogEnd;
return false;
}
}
return true;
}
