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wgengine/magicsock: delete legacy AddrSet endpoints.

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Instead of using the legacy codepath, teach discoEndpoint to handle
peers that have a home DERP, but no disco key. We can still communicate
with them, but only over DERP.

Signed-off-by: David Anderson <danderson@tailscale.com>
This commit is contained in:
David Anderson
2021-08-25 19:39:20 -07:00
committed by Dave Anderson
parent 61c62f48d9
commit 97693f2e42
11 changed files with 596 additions and 1394 deletions
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25
wgengine/wgcfg/nmcfg/nmcfg.go
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@@ -78,19 +78,6 @@ func WGCfg(nm *netmap.NetworkMap, logf logger.Logf, flags netmap.WGConfigFlags,
}
cpeer.Endpoints = wgcfg.Endpoints{PublicKey: wgkey.Key(peer.Key), DiscoKey: peer.DiscoKey}
if peer.DiscoKey.IsZero() {
// Legacy connection. Add IP+port endpoints.
var ipps []netaddr.IPPort
if err := appendEndpoint(cpeer, &ipps, peer.DERP); err != nil {
return nil, err
}
for _, ep := range peer.Endpoints {
if err := appendEndpoint(cpeer, &ipps, ep); err != nil {
return nil, err
}
}
cpeer.Endpoints.IPPorts = wgcfg.NewIPPortSet(ipps...)
}
didExitNodeWarn := false
for _, allowedIP := range peer.AllowedIPs {
if allowedIP.Bits() == 0 && peer.StableID != exitNode {
@@ -135,15 +122,3 @@ func WGCfg(nm *netmap.NetworkMap, logf logger.Logf, flags netmap.WGConfigFlags,
return cfg, nil
}
func appendEndpoint(peer *wgcfg.Peer, ipps *[]netaddr.IPPort, epStr string) error {
if epStr == "" {
return nil
}
ipp, err := netaddr.ParseIPPort(epStr)
if err != nil {
return fmt.Errorf("malformed endpoint %q for peer %v", epStr, peer.PublicKey.ShortString())
}
*ipps = append(*ipps, ipp)
return nil
}