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make dial fail if a session to the same node already exists, fixes race between simultaneous connections to a node's 200 address and one of its 300 addresses, should also fix races between a search and an accepted listen

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This commit is contained in:
Arceliar 2019-09-01 14:07:00 -05:00
parent 730fd08954
commit 8c52ccadf9
1 changed files with 5 additions and 0 deletions
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5
src/yggdrasil/search.go
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@ -204,6 +204,11 @@ func (sinfo *searchInfo) checkDHTRes(res *dhtRes) bool {
if !isIn { if !isIn {
panic("This should never happen") panic("This should never happen")
} }
} else {
sinfo.callback(nil, errors.New("session already exists"))
// Cleanup
delete(sinfo.searches.searches, res.Dest)
return true
} }
// FIXME (!) replay attacks could mess with coords? Give it a handle (tstamp)? // FIXME (!) replay attacks could mess with coords? Give it a handle (tstamp)?
sess.coords = res.Coords sess.coords = res.Coords