Adrian Dewhurst bcaae3e074 net/dns/resolver: clamp EDNS size ... This change (subject to some limitations) looks for the EDNS OPT record in queries and responses, clamping the size field to fit within our DNS receive buffer. If the size field is smaller than the DNS receive buffer then it is left unchanged. I think we will eventually need to transition to fully processing the DNS queries to handle all situations, but this should cover the most common case. Mostly fixes #2066 Signed-off-by: Adrian Dewhurst <adrian@tailscale.com>		2021-06-25 08:56:34 -04:00
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forwarder.go	net/dns/resolver: clamp EDNS size	2021-06-25 08:56:34 -04:00
macios_ext.go	net/dns{,/resolver}: refactor DNS forwarder, send out of right link on macOS/iOS	2021-06-23 16:04:10 -07:00
neterr_darwin.go	net/dns/resolver: permit larger max responses, signal truncation	2021-06-08 19:29:12 -04:00
neterr_other.go	net/dns/resolver: permit larger max responses, signal truncation	2021-06-08 19:29:12 -04:00
neterr_windows.go	net/dns/resolver: permit larger max responses, signal truncation	2021-06-08 19:29:12 -04:00
tsdns_server_test.go	net/dns/resolver: clamp EDNS size	2021-06-25 08:56:34 -04:00
tsdns_test.go	net/dns/resolver: clamp EDNS size	2021-06-25 08:56:34 -04:00
tsdns.go	net/dns{,/resolver}: refactor DNS forwarder, send out of right link on macOS/iOS	2021-06-23 16:04:10 -07:00