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net/portmapper: make pcpCodeNotAuthorized log more descriptive
If PCP is present but disabled, turning it on might help
get direct connections.
Signed-off-by: Denton Gentry <dgentry@tailscale.com>
(cherry picked from commit de4c635e54
)
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parent
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@ -115,6 +115,9 @@ func parsePCPMapResponse(resp []byte) (*pcpMapping, error) {
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if !ok {
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if !ok {
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return nil, fmt.Errorf("Invalid PCP common header")
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return nil, fmt.Errorf("Invalid PCP common header")
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}
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}
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if res.ResultCode == pcpCodeNotAuthorized {
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return nil, fmt.Errorf("PCP is implemented but not enabled in the router")
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}
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if res.ResultCode != pcpCodeOK {
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if res.ResultCode != pcpCodeOK {
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return nil, fmt.Errorf("PCP response not ok, code %d", res.ResultCode)
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return nil, fmt.Errorf("PCP response not ok, code %d", res.ResultCode)
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}
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}
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