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feature/conn25: install all the hooks

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Install the previously uninstalled hooks for the filter and tstun
intercepts. Move the DNS manager hook installation into Init() with all
the others. Protect all implementations with a short-circuit if the node
is not configured to use Connectors 2025. The short-circuit pattern
replaces the previous pattern used in managing the DNS manager hook, of
setting it to nil in response to CapMap changes.

Fixes tailscale/corp#38716

Signed-off-by: Michael Ben-Ami <mzb@tailscale.com>
This commit is contained in:
Michael Ben-Ami
2026-03-26 16:38:04 -04:00
committed by mzbenami
parent 70fabf1716
commit 156e6ae5cd
4 changed files with 131 additions and 76 deletions
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feature/conn25/datapath_test.go
+4 -4
View File
@@ -112,7 +112,7 @@ func TestHandlePacketFromTunDevice(t *testing.T) {
}
return netip.Addr{}, nil
}
dph := newDatapathHandler(mock, nil)
dph := newDatapathHandler(mock, t.Logf)
tt.p.IPProto = ipproto.UDP
tt.p.IPVersion = 4
@@ -217,7 +217,7 @@ func TestHandlePacketFromWireGuard(t *testing.T) {
}
return netip.Addr{}, nil
}
dph := newDatapathHandler(mock, nil)
dph := newDatapathHandler(mock, t.Logf)
tt.p.IPProto = ipproto.UDP
tt.p.IPVersion = 4
@@ -254,7 +254,7 @@ func TestClientFlowCache(t *testing.T) {
getTransitIPCalled = true
return transitIP, nil
}
dph := newDatapathHandler(mock, nil)
dph := newDatapathHandler(mock, t.Logf)
outgoing := packet.Parsed{
IPProto: ipproto.UDP,
@@ -316,7 +316,7 @@ func TestConnectorFlowCache(t *testing.T) {
getRealIPCalled = true
return realIP, nil
}
dph := newDatapathHandler(mock, nil)
dph := newDatapathHandler(mock, t.Logf)
outgoing := packet.Parsed{
IPProto: ipproto.UDP,