derp, derphttp, magicsock: send new unknown peer frame when destination is unknown (#7552)

* wgengine/magicsock: add envknob to send CallMeMaybe to non-existent peer

For testing older client version responses to the PeerGone packet format change.

Updates #4326

Signed-off-by: Val <valerie@tailscale.com>

* derp: remove dead sclient struct member replaceLimiter

Leftover from an previous solution to the duplicate client problem.

Updates #2751

Signed-off-by: Val <valerie@tailscale.com>

* derp, derp/derphttp, wgengine/magicsock: add new PeerGone message type Not Here

Extend the PeerGone message type by adding a reason byte. Send a
PeerGone "Not Here" message when an endpoint sends a disco message to
a peer that this server has no record of.

Fixes #4326

Signed-off-by: Val <valerie@tailscale.com>

---------

Signed-off-by: Val <valerie@tailscale.com>
This commit is contained in:
valscale
2023-03-24 19:11:48 -07:00
committed by GitHub
parent 09d0b632d4
commit 74eb99aed1
12 changed files with 211 additions and 67 deletions

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@@ -60,7 +60,7 @@ tailscale.com/cmd/derper dependencies: (generated by github.com/tailscale/depawa
tailscale.com/tka from tailscale.com/client/tailscale+
W tailscale.com/tsconst from tailscale.com/net/interfaces
💣 tailscale.com/tstime/mono from tailscale.com/tstime/rate
tailscale.com/tstime/rate from tailscale.com/wgengine/filter
tailscale.com/tstime/rate from tailscale.com/wgengine/filter+
tailscale.com/tsweb from tailscale.com/cmd/derper
tailscale.com/types/dnstype from tailscale.com/tailcfg
tailscale.com/types/empty from tailscale.com/ipn

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@@ -92,7 +92,7 @@ tailscale.com/cmd/tailscale dependencies: (generated by github.com/tailscale/dep
tailscale.com/tka from tailscale.com/client/tailscale+
W tailscale.com/tsconst from tailscale.com/net/interfaces
💣 tailscale.com/tstime/mono from tailscale.com/tstime/rate
tailscale.com/tstime/rate from tailscale.com/wgengine/filter
tailscale.com/tstime/rate from tailscale.com/wgengine/filter+
tailscale.com/types/dnstype from tailscale.com/tailcfg
tailscale.com/types/empty from tailscale.com/ipn
tailscale.com/types/ipproto from tailscale.com/net/flowtrack+

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@@ -267,7 +267,7 @@ tailscale.com/cmd/tailscaled dependencies: (generated by github.com/tailscale/de
W tailscale.com/tsconst from tailscale.com/net/interfaces
tailscale.com/tstime from tailscale.com/wgengine/magicsock
💣 tailscale.com/tstime/mono from tailscale.com/net/tstun+
tailscale.com/tstime/rate from tailscale.com/wgengine/filter
tailscale.com/tstime/rate from tailscale.com/wgengine/filter+
tailscale.com/tsweb from tailscale.com/cmd/tailscaled
tailscale.com/types/dnstype from tailscale.com/ipn/ipnlocal+
tailscale.com/types/empty from tailscale.com/control/controlclient+