personal_interest_mirrors/nebula
1
0
Fork 0
mirror of https://github.com/slackhq/nebula.git synced 2026-08-15 08:36:57 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity

hostmap: replace the shared next/prev hostinfo chain with independent per-address lists so divergent or overlapping vpnAddr sets cannot corrupt the map (#1790)

Browse Source
This commit is contained in:
Nate Brown
2026-07-09 09:34:30 -05:00
committed by GitHub
parent c1eea118f4
commit 384610f81a
3 changed files with 386 additions and 281 deletions
Download Patch File Download Diff File Expand all files Collapse all files
handshake_manager.go
+2 -5
View File
@@ -430,14 +430,11 @@ func (hm *HandshakeManager) CheckAndComplete(hostinfo *HostInfo, handshakePacket
// Check if we already have a tunnel with this vpn ip
existingHostInfo, found := hm.mainHostMap.Hosts[hostinfo.vpnAddrs[0]]
if found && existingHostInfo != nil {
testHostInfo := existingHostInfo
for testHostInfo != nil {
// Is it just a delayed handshake packet?
// Is it just a delayed handshake packet? Check every hostinfo we hold for this address.
for _, testHostInfo := range hm.mainHostMap.unlockedGetHostList(hostinfo.vpnAddrs[0]) {
if bytes.Equal(hostinfo.HandshakePacket[handshakePacket], testHostInfo.HandshakePacket[handshakePacket]) {
return testHostInfo, ErrAlreadySeen
}
testHostInfo = testHostInfo.next
}
// Is this a newer handshake?