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5 Commits

Author SHA1 Message Date
David Anderson 6fb5d4080c net/portmapper: silently handle PCP NOT_AUTHORIZED responses. 
Fixes #1525.

Signed-off-by: David Anderson <danderson@tailscale.com>
 2021-03-17 19:44:35 -07:00
Brad Fitzpatrick 44ab0acbdb net/portmapper, wgengine/monitor: cache gateway IP info until link changes 
Cuts down allocs & CPU in steady state (on regular STUN probes) when network
is unchanging.

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2021-03-15 14:27:39 -07:00
Brad Fitzpatrick ef7bac2895 tailcfg, net/portmapper, wgengine/magicsock: add NetInfo.HavePortMap 
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2021-03-09 15:17:24 -08:00
Brad Fitzpatrick 63ed4dd6c9 net/portmapper: fix typo 
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2021-03-02 12:26:54 -08:00
Brad Fitzpatrick c64bd587ae net/portmapper: add NAT-PMP client, move port mapping service probing 
* move probing out of netcheck into new net/portmapper package
* use PCP ANNOUNCE op codes for PCP discovery, rather than causing
  short-lived (sub-second) side effects with a 1-second-expiring map +
  delete.
* track when we heard things from the router so we can be less wasteful
  in querying the router's port mapping services in the future
* use portmapper from magicsock to map a public port

Fixes #1298
Fixes #1080
Fixes #1001
Updates #864

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2021-02-23 09:07:38 -08:00