69 lines
2.1 KiB
Go
69 lines
2.1 KiB
Go
// +build linux,!appengine
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package dns
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import (
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"bytes"
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"net"
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"testing"
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)
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func TestParseUDPSocketDst(t *testing.T) {
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// dst is :ffff:100.100.100.100
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oob := []byte{36, 0, 0, 0, 0, 0, 0, 0, 41, 0, 0, 0, 50, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 100, 100, 100, 100, 2, 0, 0, 0}
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dst, err := parseUDPSocketDst(oob)
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if err != nil {
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t.Fatalf("error parsing ipv6 oob: %v", err)
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}
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dst4 := dst.To4()
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if dst4 == nil {
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t.Errorf("failed to parse ipv4: %v", dst)
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} else if dst4.String() != "100.100.100.100" {
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t.Errorf("unexpected ipv4: %v", dst4)
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}
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// dst is 2001:db8::1
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oob = []byte{36, 0, 0, 0, 0, 0, 0, 0, 41, 0, 0, 0, 50, 0, 0, 0, 32, 1, 13, 184, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0}
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dst, err = parseUDPSocketDst(oob)
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if err != nil {
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t.Fatalf("error parsing ipv6 oob: %v", err)
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}
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dst6 := dst.To16()
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if dst6 == nil {
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t.Errorf("failed to parse ipv6: %v", dst)
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} else if dst6.String() != "2001:db8::1" {
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t.Errorf("unexpected ipv6: %v", dst4)
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}
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// dst is 100.100.100.100 but was received on 10.10.10.10
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oob = []byte{28, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 0, 0, 0, 2, 0, 0, 0, 10, 10, 10, 10, 100, 100, 100, 100, 0, 0, 0, 0}
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dst, err = parseUDPSocketDst(oob)
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if err != nil {
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t.Fatalf("error parsing ipv4 oob: %v", err)
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}
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dst4 = dst.To4()
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if dst4 == nil {
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t.Errorf("failed to parse ipv4: %v", dst)
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} else if dst4.String() != "100.100.100.100" {
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t.Errorf("unexpected ipv4: %v", dst4)
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}
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}
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func TestMarshalUDPSocketSrc(t *testing.T) {
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// src is 100.100.100.100
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exoob := []byte{28, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0, 100, 100, 100, 100, 0, 0, 0, 0, 0, 0, 0, 0}
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oob := marshalUDPSocketSrc(net.ParseIP("100.100.100.100"))
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if !bytes.Equal(exoob, oob) {
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t.Errorf("expected ipv4 oob:\n%v", exoob)
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t.Errorf("actual ipv4 oob:\n%v", oob)
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}
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// src is 2001:db8::1
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exoob = []byte{36, 0, 0, 0, 0, 0, 0, 0, 41, 0, 0, 0, 50, 0, 0, 0, 32, 1, 13, 184, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0}
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oob = marshalUDPSocketSrc(net.ParseIP("2001:db8::1"))
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if !bytes.Equal(exoob, oob) {
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t.Errorf("expected ipv6 oob:\n%v", exoob)
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t.Errorf("actual ipv6 oob:\n%v", oob)
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}
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}
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