Refactor COM stuff a bit, and respond to COM requests a bit more readily for rapid setup. Will need to revisit later.
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parent
68e549233d
commit
d3524f3609
11 changed files with 94 additions and 154 deletions
102
node/Network.cpp
102
node/Network.cpp
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@ -648,11 +648,12 @@ bool Network::filterOutgoingPacket(
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{
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uint32_t remoteTagIds[ZT_MAX_NETWORK_TAGS];
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uint32_t remoteTagValues[ZT_MAX_NETWORK_TAGS];
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Address ztDest2(ztDest);
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Address ztFinalDest(ztDest);
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Address cc;
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const Capability *relevantCap = (const Capability *)0;
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unsigned int ccLength = 0;
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bool accept = false;
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const uint64_t now = RR->node->now();
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Mutex::Lock _l(_lock);
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@ -663,26 +664,27 @@ bool Network::filterOutgoingPacket(
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remoteTagCount = m->getAllTags(_config,remoteTagIds,remoteTagValues,ZT_MAX_NETWORK_TAGS);
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}
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switch(_doZtFilter(RR,_config,false,ztSource,ztDest2,macSource,macDest,frameData,frameLen,etherType,vlanId,_config.rules,_config.ruleCount,_config.tags,_config.tagCount,remoteTagIds,remoteTagValues,remoteTagCount,cc,ccLength)) {
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switch(_doZtFilter(RR,_config,false,ztSource,ztFinalDest,macSource,macDest,frameData,frameLen,etherType,vlanId,_config.rules,_config.ruleCount,_config.tags,_config.tagCount,remoteTagIds,remoteTagValues,remoteTagCount,cc,ccLength)) {
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case DOZTFILTER_NO_MATCH:
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for(unsigned int c=0;c<_config.capabilityCount;++c) {
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ztDest2 = ztDest; // sanity check
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ztFinalDest = ztDest; // sanity check
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Address cc2;
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unsigned int ccLength2 = 0;
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switch (_doZtFilter(RR,_config,false,ztSource,ztDest2,macSource,macDest,frameData,frameLen,etherType,vlanId,_config.capabilities[c].rules(),_config.capabilities[c].ruleCount(),_config.tags,_config.tagCount,remoteTagIds,remoteTagValues,remoteTagCount,cc2,ccLength2)) {
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switch (_doZtFilter(RR,_config,false,ztSource,ztFinalDest,macSource,macDest,frameData,frameLen,etherType,vlanId,_config.capabilities[c].rules(),_config.capabilities[c].ruleCount(),_config.tags,_config.tagCount,remoteTagIds,remoteTagValues,remoteTagCount,cc2,ccLength2)) {
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case DOZTFILTER_NO_MATCH:
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case DOZTFILTER_DROP: // explicit DROP in a capability just terminates its evaluation and is an anti-pattern
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break;
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case DOZTFILTER_REDIRECT: // interpreted as ACCEPT but ztDest2 will have been changed in _doZtFilter()
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case DOZTFILTER_REDIRECT: // interpreted as ACCEPT but ztFinalDest will have been changed in _doZtFilter()
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case DOZTFILTER_ACCEPT:
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case DOZTFILTER_SUPER_ACCEPT: // no difference in behavior on outbound side
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relevantCap = &(_config.capabilities[c]);
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accept = true;
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if ((!noTee)&&(cc2)) {
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_membership(cc2).sendCredentialsIfNeeded(RR,RR->node->now(),cc2,_config,relevantCap);
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Membership &m2 = _membership(cc2);
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m2.sendCredentialsIfNeeded(RR,now,cc2,_config,relevantCap);
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Packet outp(cc2,RR->identity.address(),Packet::VERB_EXT_FRAME);
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outp.append(_id);
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@ -705,7 +707,7 @@ bool Network::filterOutgoingPacket(
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case DOZTFILTER_DROP:
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return false;
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case DOZTFILTER_REDIRECT: // interpreted as ACCEPT but ztDest2 will have been changed in _doZtFilter()
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case DOZTFILTER_REDIRECT: // interpreted as ACCEPT but ztFinalDest will have been changed in _doZtFilter()
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case DOZTFILTER_ACCEPT:
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case DOZTFILTER_SUPER_ACCEPT: // no difference in behavior on outbound side
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accept = true;
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@ -714,7 +716,8 @@ bool Network::filterOutgoingPacket(
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if (accept) {
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if ((!noTee)&&(cc)) {
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_membership(cc).sendCredentialsIfNeeded(RR,RR->node->now(),cc,_config,relevantCap);
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Membership &m2 = _membership(cc);
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m2.sendCredentialsIfNeeded(RR,now,cc,_config,relevantCap);
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Packet outp(cc,RR->identity.address(),Packet::VERB_EXT_FRAME);
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outp.append(_id);
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@ -727,10 +730,11 @@ bool Network::filterOutgoingPacket(
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RR->sw->send(outp,true);
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}
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if ((ztDest != ztDest2)&&(ztDest2)) {
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_membership(ztDest2).sendCredentialsIfNeeded(RR,RR->node->now(),ztDest2,_config,relevantCap);
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if ((ztDest != ztFinalDest)&&(ztFinalDest)) {
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Membership &m2 = _membership(ztFinalDest);
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m2.sendCredentialsIfNeeded(RR,now,ztFinalDest,_config,relevantCap);
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Packet outp(ztDest2,RR->identity.address(),Packet::VERB_EXT_FRAME);
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Packet outp(ztFinalDest,RR->identity.address(),Packet::VERB_EXT_FRAME);
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outp.append(_id);
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outp.append((uint8_t)0x02); // TEE/REDIRECT from outbound side: 0x02
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macDest.appendTo(outp);
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@ -742,11 +746,13 @@ bool Network::filterOutgoingPacket(
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return false; // DROP locally, since we redirected
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} else if (m) {
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m->sendCredentialsIfNeeded(RR,RR->node->now(),ztDest,_config,relevantCap);
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m->sendCredentialsIfNeeded(RR,now,ztDest,_config,relevantCap);
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}
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}
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return accept;
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return true;
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} else {
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return false;
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}
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}
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int Network::filterIncomingPacket(
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@ -761,7 +767,7 @@ int Network::filterIncomingPacket(
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{
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uint32_t remoteTagIds[ZT_MAX_NETWORK_TAGS];
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uint32_t remoteTagValues[ZT_MAX_NETWORK_TAGS];
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Address ztDest2(ztDest);
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Address ztFinalDest(ztDest);
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Address cc;
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unsigned int ccLength = 0;
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int accept = 0;
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@ -771,16 +777,16 @@ int Network::filterIncomingPacket(
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Membership &m = _membership(sourcePeer->address());
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const unsigned int remoteTagCount = m.getAllTags(_config,remoteTagIds,remoteTagValues,ZT_MAX_NETWORK_TAGS);
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switch (_doZtFilter(RR,_config,true,sourcePeer->address(),ztDest2,macSource,macDest,frameData,frameLen,etherType,vlanId,_config.rules,_config.ruleCount,_config.tags,_config.tagCount,remoteTagIds,remoteTagValues,remoteTagCount,cc,ccLength)) {
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switch (_doZtFilter(RR,_config,true,sourcePeer->address(),ztFinalDest,macSource,macDest,frameData,frameLen,etherType,vlanId,_config.rules,_config.ruleCount,_config.tags,_config.tagCount,remoteTagIds,remoteTagValues,remoteTagCount,cc,ccLength)) {
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case DOZTFILTER_NO_MATCH: {
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Membership::CapabilityIterator mci(m);
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const Capability *c;
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while ((c = mci.next(_config))) {
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ztDest2 = ztDest; // sanity check
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ztFinalDest = ztDest; // sanity check
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Address cc2;
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unsigned int ccLength2 = 0;
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switch(_doZtFilter(RR,_config,true,sourcePeer->address(),ztDest2,macSource,macDest,frameData,frameLen,etherType,vlanId,c->rules(),c->ruleCount(),_config.tags,_config.tagCount,remoteTagIds,remoteTagValues,remoteTagCount,cc2,ccLength2)) {
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switch(_doZtFilter(RR,_config,true,sourcePeer->address(),ztFinalDest,macSource,macDest,frameData,frameLen,etherType,vlanId,c->rules(),c->ruleCount(),_config.tags,_config.tagCount,remoteTagIds,remoteTagValues,remoteTagCount,cc2,ccLength2)) {
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case DOZTFILTER_NO_MATCH:
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case DOZTFILTER_DROP: // explicit DROP in a capability just terminates its evaluation and is an anti-pattern
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break;
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@ -815,7 +821,7 @@ int Network::filterIncomingPacket(
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case DOZTFILTER_DROP:
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return 0; // DROP
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case DOZTFILTER_REDIRECT: // interpreted as ACCEPT but ztDest2 will have been changed in _doZtFilter()
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case DOZTFILTER_REDIRECT: // interpreted as ACCEPT but ztFinalDest will have been changed in _doZtFilter()
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case DOZTFILTER_ACCEPT:
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accept = 1; // ACCEPT
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break;
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@ -839,10 +845,10 @@ int Network::filterIncomingPacket(
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RR->sw->send(outp,true);
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}
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if ((ztDest != ztDest2)&&(ztDest2)) {
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_membership(ztDest2).sendCredentialsIfNeeded(RR,RR->node->now(),ztDest2,_config,(const Capability *)0);
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if ((ztDest != ztFinalDest)&&(ztFinalDest)) {
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_membership(ztFinalDest).sendCredentialsIfNeeded(RR,RR->node->now(),ztFinalDest,_config,(const Capability *)0);
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Packet outp(ztDest2,RR->identity.address(),Packet::VERB_EXT_FRAME);
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Packet outp(ztFinalDest,RR->identity.address(),Packet::VERB_EXT_FRAME);
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outp.append(_id);
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outp.append((uint8_t)0x06); // TEE/REDIRECT from inbound side: 0x06
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macDest.appendTo(outp);
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@ -1063,23 +1069,26 @@ bool Network::gate(const SharedPtr<Peer> &peer,const Packet::Verb verb,const uin
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Mutex::Lock _l(_lock);
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try {
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if (_config) {
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Membership &m = _membership(peer->address());
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const bool allow = m.isAllowedOnNetwork(_config);
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if (allow) {
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m.sendCredentialsIfNeeded(RR,now,peer->address(),_config,(const Capability *)0);
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if (m.shouldLikeMulticasts(now)) {
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Membership *m = _memberships.get(peer->address());
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if ( (_config.isPublic()) || ((m)&&(m->isAllowedOnNetwork(_config))) ) {
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if (!m)
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m = &(_membership(peer->address()));
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m->sendCredentialsIfNeeded(RR,now,peer->address(),_config,(const Capability *)0);
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if (m->shouldLikeMulticasts(now)) {
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_announceMulticastGroupsTo(peer->address(),_allMulticastGroups());
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m.likingMulticasts(now);
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m->likingMulticasts(now);
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}
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return true;
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} else {
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if (peer->rateGateRequestCredentials(now)) {
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Packet outp(peer->address(),RR->identity.address(),Packet::VERB_ERROR);
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outp.append((uint8_t)verb);
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outp.append(packetId);
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outp.append((uint8_t)Packet::ERROR_NEED_MEMBERSHIP_CERTIFICATE);
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outp.append(_id);
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RR->sw->send(outp,true);
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}
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} else if (m.recentlyAllowedOnNetwork(_config)&&peer->rateGateRequestCredentials(now)) {
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Packet outp(peer->address(),RR->identity.address(),Packet::VERB_ERROR);
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outp.append((uint8_t)verb);
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outp.append(packetId);
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outp.append((uint8_t)Packet::ERROR_NEED_MEMBERSHIP_CERTIFICATE);
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outp.append(_id);
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RR->sw->send(outp,true);
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}
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return allow;
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}
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} catch ( ... ) {
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TRACE("gate() check failed for peer %s: unexpected exception",peer->address().toString().c_str());
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@ -1092,15 +1101,6 @@ bool Network::gateMulticastGatherReply(const SharedPtr<Peer> &peer,const Packet:
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return ( (peer->address() == controller()) || RR->topology->isUpstream(peer->identity()) || gate(peer,verb,packetId) || _config.isAnchor(peer->address()) );
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}
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bool Network::recentlyAllowedOnNetwork(const SharedPtr<Peer> &peer) const
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{
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Mutex::Lock _l(_lock);
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const Membership *m = _memberships.get(peer->address());
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if (m)
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return m->recentlyAllowedOnNetwork(_config);
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return false;
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}
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void Network::clean()
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{
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const uint64_t now = RR->node->now();
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@ -1308,13 +1308,11 @@ void Network::_sendUpdatesToMembers(const MulticastGroup *const newMulticastGrou
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Membership *m = (Membership *)0;
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Hashtable<Address,Membership>::Iterator i(_memberships);
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while (i.next(a,m)) {
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if ( (m->recentlyAllowedOnNetwork(_config)) || (std::find(anchors.begin(),anchors.end(),*a) != anchors.end()) ) {
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m->sendCredentialsIfNeeded(RR,RR->node->now(),*a,_config,(const Capability *)0);
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if ( ((newMulticastGroup)||(m->shouldLikeMulticasts(now))) && (m->isAllowedOnNetwork(_config)) ) {
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if (!newMulticastGroup)
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m->likingMulticasts(now);
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_announceMulticastGroupsTo(*a,groups);
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}
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m->sendCredentialsIfNeeded(RR,now,*a,_config,(const Capability *)0);
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if ( ((newMulticastGroup)||(m->shouldLikeMulticasts(now))) && (m->isAllowedOnNetwork(_config)) ) {
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if (!newMulticastGroup)
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m->likingMulticasts(now);
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_announceMulticastGroupsTo(*a,groups);
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}
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}
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}
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