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[client] Redirect DNS port 53 with UDP and TCP DNAT instead of the eBPF forwarder (#7439)

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This commit is contained in:
Viktor Liu
2026-09-09 11:32:11 +02:00
committed by GitHub
parent d2e62e358a
commit d101f6cc46
14 changed files with 363 additions and 254 deletions
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client/internal/ebpf/ebpf/manager_linux_test.go
+4 -13
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@@ -7,33 +7,24 @@ import (
func TestManager_setFeatureFlag(t *testing.T) {
mgr := GeneralManager{}
mgr.setFeatureFlag(featureFlagWGProxy)
if mgr.featureFlags != 1 {
if mgr.featureFlags != featureFlagWGProxy {
t.Errorf("invalid feature state")
}
mgr.setFeatureFlag(featureFlagDnsForwarder)
if mgr.featureFlags != 3 {
t.Errorf("invalid feature state")
mgr.setFeatureFlag(featureFlagWGProxy)
if mgr.featureFlags != featureFlagWGProxy {
t.Errorf("setting a flag twice must be idempotent, got: %d", mgr.featureFlags)
}
}
func TestManager_unsetFeatureFlag(t *testing.T) {
mgr := GeneralManager{}
mgr.setFeatureFlag(featureFlagWGProxy)
mgr.setFeatureFlag(featureFlagDnsForwarder)
err := mgr.unsetFeatureFlag(featureFlagWGProxy)
if err != nil {
t.Errorf("unexpected error: %s", err)
}
if mgr.featureFlags != 2 {
t.Errorf("invalid feature state, expected: %d, got: %d", 2, mgr.featureFlags)
}
err = mgr.unsetFeatureFlag(featureFlagDnsForwarder)
if err != nil {
t.Errorf("unexpected error: %s", err)
}
if mgr.featureFlags != 0 {
t.Errorf("invalid feature state, expected: %d, got: %d", 0, mgr.featureFlags)
}