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net/portmapper: handle multiple UPnP discovery responses

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Instead of taking the first UPnP response we receive and using that to
create port mappings, store all received UPnP responses, sort and
deduplicate them, and then try all of them to obtain an external
address.

Updates #10602

Signed-off-by: Andrew Dunham <andrew@du.nham.ca>
Change-Id: I783ccb1834834ee2a9ecbae2b16d801f2354302f
This commit is contained in:
Andrew Dunham
2023-12-15 23:28:32 -05:00
parent 38b4eb9419
commit d05a572db4
6 changed files with 399 additions and 88 deletions
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4
net/portmapper/disabled_stubs.go
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@@ -18,6 +18,10 @@ func parseUPnPDiscoResponse([]byte) (uPnPDiscoResponse, error) {
return uPnPDiscoResponse{}, nil
}
func processUPnPResponses(metas []uPnPDiscoResponse) []uPnPDiscoResponse {
return metas
}
func (c *Client) getUPnPPortMapping(
ctx context.Context,
gw netip.Addr,