mirror of
https://github.com/tailscale/tailscale.git
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d37058af72
Unused for now, but I want to backport this commit to 1.4 so 1.6 can start sending these and then at least 1.4 logs will stringify nicely. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
76 lines
2.0 KiB
Go
76 lines
2.0 KiB
Go
// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package packet
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import (
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"testing"
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"inet.af/netaddr"
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)
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func TestTailscaleRejectedHeader(t *testing.T) {
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tests := []struct {
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h TailscaleRejectedHeader
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wantStr string
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}{
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{
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h: TailscaleRejectedHeader{
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IPSrc: netaddr.MustParseIP("5.5.5.5"),
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IPDst: netaddr.MustParseIP("1.2.3.4"),
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Src: netaddr.MustParseIPPort("1.2.3.4:567"),
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Dst: netaddr.MustParseIPPort("5.5.5.5:443"),
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Proto: TCP,
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Reason: RejectedDueToACLs,
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},
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wantStr: "TSMP-reject-flow{TCP 1.2.3.4:567 > 5.5.5.5:443}: acl",
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},
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{
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h: TailscaleRejectedHeader{
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IPSrc: netaddr.MustParseIP("2::2"),
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IPDst: netaddr.MustParseIP("1::1"),
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Src: netaddr.MustParseIPPort("[1::1]:567"),
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Dst: netaddr.MustParseIPPort("[2::2]:443"),
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Proto: UDP,
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Reason: RejectedDueToShieldsUp,
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},
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wantStr: "TSMP-reject-flow{UDP [1::1]:567 > [2::2]:443}: shields",
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},
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{
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h: TailscaleRejectedHeader{
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IPSrc: netaddr.MustParseIP("2::2"),
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IPDst: netaddr.MustParseIP("1::1"),
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Src: netaddr.MustParseIPPort("[1::1]:567"),
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Dst: netaddr.MustParseIPPort("[2::2]:443"),
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Proto: UDP,
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Reason: RejectedDueToIPForwarding,
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MaybeBroken: true,
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},
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wantStr: "TSMP-reject-flow{UDP [1::1]:567 > [2::2]:443}: host-ip-forwarding-unavailable",
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},
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}
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for i, tt := range tests {
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gotStr := tt.h.String()
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if gotStr != tt.wantStr {
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t.Errorf("%v. String = %q; want %q", i, gotStr, tt.wantStr)
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continue
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}
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pkt := make([]byte, tt.h.Len())
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tt.h.Marshal(pkt)
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var p Parsed
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p.Decode(pkt)
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t.Logf("Parsed: %+v", p)
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t.Logf("Parsed: %s", p.String())
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back, ok := p.AsTailscaleRejectedHeader()
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if !ok {
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t.Errorf("%v. %q (%02x) didn't parse back", i, gotStr, pkt)
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continue
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}
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if back != tt.h {
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t.Errorf("%v. %q parsed back as %q", i, tt.h, back)
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}
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}
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}
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