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Fix bug causing null addresses to get in memberships[] hash.

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This commit is contained in:
Adam Ierymenko 2016-09-08 16:09:56 -07:00
parent d23ade879b
commit 1f6b13b7fd
1 changed files with 9 additions and 5 deletions
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14
node/Network.cpp
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@ -656,8 +656,12 @@ bool Network::filterOutgoingPacket(
Mutex::Lock _l(_lock);
Membership &m = _memberships[ztDest];
const unsigned int remoteTagCount = m.getAllTags(_config,remoteTagIds,remoteTagValues,ZT_MAX_NETWORK_TAGS);
Membership *m = (Membership *)0;
unsigned int remoteTagCount = 0;
if (ztDest) {
m = &(_memberships[ztDest]);
remoteTagCount = m->getAllTags(_config,remoteTagIds,remoteTagValues,ZT_MAX_NETWORK_TAGS);
}
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)) {
@ -737,8 +741,8 @@ bool Network::filterOutgoingPacket(
RR->sw->send(outp,true);
return false; // DROP locally, since we redirected
} else if (ztDest) {
m.sendCredentialsIfNeeded(RR,RR->node->now(),ztDest,_config,relevantCap);
} else if (m) {
m->sendCredentialsIfNeeded(RR,RR->node->now(),ztDest,_config,relevantCap);
}
}
@ -764,7 +768,7 @@ int Network::filterIncomingPacket(
Mutex::Lock _l(_lock);
Membership &m = _membership(ztDest);
Membership &m = _membership(sourcePeer->address());
const unsigned int remoteTagCount = m.getAllTags(_config,remoteTagIds,remoteTagValues,ZT_MAX_NETWORK_TAGS);
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)) {