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ipn/ipnlocal: clear magicsock's netmap on logout

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magicsock was hanging onto its netmap on logout,
which caused tailscale status to display partial
information about a bunch of zombie peers.
After logout, there should be no peers.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
This commit is contained in:
Josh Bleecher Snyder
2021-12-15 15:55:02 -08:00
committed by Josh Bleecher Snyder
parent 84a1106fa7
commit 93ae11105d
3 changed files with 75 additions and 7 deletions
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16
wgengine/netstack/netstack.go
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@@ -239,13 +239,15 @@ func (ns *Impl) updateIPs(nm *netmap.NetworkMap) {
newIPs := make(map[tcpip.AddressWithPrefix]bool)
isAddr := map[netaddr.IPPrefix]bool{}
for _, ipp := range nm.SelfNode.Addresses {
isAddr[ipp] = true
}
for _, ipp := range nm.SelfNode.AllowedIPs {
local := isAddr[ipp]
if local && ns.ProcessLocalIPs || !local && ns.ProcessSubnets {
newIPs[ipPrefixToAddressWithPrefix(ipp)] = true
if nm.SelfNode != nil {
for _, ipp := range nm.SelfNode.Addresses {
isAddr[ipp] = true
}
for _, ipp := range nm.SelfNode.AllowedIPs {
local := isAddr[ipp]
if local && ns.ProcessLocalIPs || !local && ns.ProcessSubnets {
newIPs[ipPrefixToAddressWithPrefix(ipp)] = true
}
}
}