health: introduce captive-portal-detected Warnable (#12707)

Updates tailscale/tailscale#1634

This PR introduces a new `captive-portal-detected` Warnable which is set to an unhealthy state whenever a captive portal is detected on the local network, preventing Tailscale from connecting.



ipn/ipnlocal: fix captive portal loop shutdown


Change-Id: I7cafdbce68463a16260091bcec1741501a070c95

net/captivedetection: fix mutex misuse

ipn/ipnlocal: ensure that we don't fail to start the timer


Change-Id: I3e43fb19264d793e8707c5031c0898e48e3e7465

Signed-off-by: Andrew Dunham <andrew@du.nham.ca>
Signed-off-by: Andrea Gottardo <andrea@gottardo.me>
This commit is contained in:
Andrea Gottardo
2024-07-26 11:25:55 -07:00
committed by GitHub
parent cf97cff33b
commit 90be06bd5b
15 changed files with 750 additions and 154 deletions

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@@ -701,6 +701,7 @@ tailscale.com/cmd/k8s-operator dependencies: (generated by github.com/tailscale/
tailscale.com/logtail/backoff from tailscale.com/control/controlclient+
tailscale.com/logtail/filch from tailscale.com/log/sockstatlog+
tailscale.com/metrics from tailscale.com/derp+
tailscale.com/net/captivedetection from tailscale.com/ipn/ipnlocal+
tailscale.com/net/connstats from tailscale.com/net/tstun+
tailscale.com/net/dns from tailscale.com/ipn/ipnlocal+
tailscale.com/net/dns/publicdns from tailscale.com/net/dns+

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@@ -100,9 +100,10 @@ tailscale.com/cmd/tailscale dependencies: (generated by github.com/tailscale/dep
tailscale.com/ipn/ipnstate from tailscale.com/client/tailscale+
tailscale.com/licenses from tailscale.com/client/web+
tailscale.com/metrics from tailscale.com/derp
tailscale.com/net/captivedetection from tailscale.com/net/netcheck
tailscale.com/net/dns/recursive from tailscale.com/net/dnsfallback
tailscale.com/net/dnscache from tailscale.com/control/controlhttp+
tailscale.com/net/dnsfallback from tailscale.com/control/controlhttp
tailscale.com/net/dnsfallback from tailscale.com/control/controlhttp+
tailscale.com/net/flowtrack from tailscale.com/net/packet
tailscale.com/net/netaddr from tailscale.com/ipn+
tailscale.com/net/netcheck from tailscale.com/cmd/tailscale/cli

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@@ -288,6 +288,7 @@ tailscale.com/cmd/tailscaled dependencies: (generated by github.com/tailscale/de
tailscale.com/logtail/backoff from tailscale.com/cmd/tailscaled+
tailscale.com/logtail/filch from tailscale.com/log/sockstatlog+
tailscale.com/metrics from tailscale.com/derp+
tailscale.com/net/captivedetection from tailscale.com/ipn/ipnlocal+
tailscale.com/net/connstats from tailscale.com/net/tstun+
tailscale.com/net/dns from tailscale.com/cmd/tailscaled+
tailscale.com/net/dns/publicdns from tailscale.com/net/dns+