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plugin/forward: Add http(2) host/authority header and TO server resolution (#8233)

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This commit is contained in:
llucas
2026-07-22 19:07:09 -07:00
committed by GitHub
parent 56f7c09311
commit 73d1eacf87
9 changed files with 83 additions and 32 deletions
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20
plugin/forward/resolve_test.go
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@@ -79,6 +79,11 @@ func TestClassifyToAddrs(t *testing.T) {
input: []string{"tls://dns.example.com"},
wantDynamic: 1,
},
{
name: "HTTPS hostname",
input: []string{"https://dns.example.com"},
wantDynamic: 1,
},
{
name: "k8s service name",
input: []string{"rbldnsd.rbldnsd.svc.cluster.local"},
@@ -166,12 +171,15 @@ func TestParseAsHostEntry(t *testing.T) {
{"tls://dns.example.com", true, "dns.example.com", "853", transport.TLS, ""},
{"tls://dns.example.com:8853", true, "dns.example.com", "8853", transport.TLS, ""},
{"tls://dns.example.com%servername.example.com", true, "dns.example.com", "853", transport.TLS, "servername.example.com"},
{"https://dns.example.com", true, "dns.example.com", "443", transport.HTTPS, ""},
{"https://dns.example.com:8443", true, "dns.example.com", "8443", transport.HTTPS, ""},
{"https://dns.example.com%servername.example.com", true, "dns.example.com", "443", transport.HTTPS, "servername.example.com"},
{"rbldnsd.rbldnsd.svc.cluster.local", true, "rbldnsd.rbldnsd.svc.cluster.local", "53", transport.DNS, ""},
// Should fail for IPs
{"127.0.0.1", false, "", "", "", ""},
{"::1", false, "", "", "", ""},
// Should fail for unsupported transports
{"https://example.com", false, "", "", "", ""},
{"grpc://example.com", false, "", "", "", ""},
// Should fail for empty
{"", false, "", "", "", ""},
}
@@ -209,9 +217,13 @@ func TestFormatResolvedAddr(t *testing.T) {
{"10.0.0.1", "53", transport.DNS, "", "10.0.0.1:53"},
{"10.0.0.1", "853", transport.TLS, "", "tls://10.0.0.1:853"},
{"10.0.0.1", "853", transport.TLS, "example.com", "tls://10.0.0.1%example.com:853"},
{"10.0.0.1", "443", transport.HTTPS, "", "https://10.0.0.1:443"},
{"10.0.0.1", "443", transport.HTTPS, "example.com", "https://10.0.0.1%example.com:443"},
{"::1", "53", transport.DNS, "", "[::1]:53"},
{"::1", "853", transport.TLS, "", "tls://[::1]:853"},
{"::1", "853", transport.TLS, "example.com", "tls://[::1%example.com]:853"},
{"::1", "443", transport.HTTPS, "", "https://[::1]:443"},
{"::1", "443", transport.HTTPS, "example.com", "https://[::1%example.com]:443"},
}
for _, tc := range tests {
@@ -576,6 +588,10 @@ func TestExpandAndDedupTLS(t *testing.T) {
{static: false, entry: hostEntry{hostname: "dns2.example.com", port: "853", transport: "tls"}},
{static: true, addrs: []string{"tls://149.112.112.112:853"}},
{static: true, addrs: []string{"tls://9.9.9.10:853"}},
{static: false, entry: hostEntry{hostname: "dns1.example.com", port: "443", transport: "https"}},
{static: false, entry: hostEntry{hostname: "dns2.example.com", port: "443", transport: "https"}},
{static: true, addrs: []string{"https://149.112.112.112:443"}},
{static: true, addrs: []string{"https://9.9.9.10:443"}},
}
result, err := expandAndDedup(entries, []string{s.Addr})
@@ -583,7 +599,7 @@ func TestExpandAndDedupTLS(t *testing.T) {
t.Fatalf("unexpected error: %v", err)
}
expected := []string{"9.9.9.9:853", "149.112.112.112:853", "9.9.9.10:853"}
expected := []string{"9.9.9.9:853", "149.112.112.112:853", "9.9.9.10:853", "9.9.9.9:443", "149.112.112.112:443", "9.9.9.10:443"}
if len(result) != len(expected) {
t.Fatalf("expected %d addresses after dedup, got %d: %v", len(expected), len(result), result)
}