Fix MFLN probe and allow returning whether MFLN succeeded or not after a connection. (#6000)

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Fixes #5996

* Add extensions to probe message for EC, others

probeMFLN was failing on some connection attempts to servers which only
supported EC based ciphers because it did not include the proper TLS
handshake extensions to list what kinds of ECs it supported.

Add those to the probeMFLN ClientHello message to make probes pass.

* Add client.getMFLNStatus method, returns MFLN state

After a connection it is useful to check whether MFLN negotiation
succeeded.  getMFLNStatus returns a bool (valid only after
client.connect() succeeds, of course) indicating whether the requested
buffer sizes were negotiated successfully.

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This commit is contained in:

Earle F. Philhower, III

2019-04-25 12:40:26 -07:00

committed by GitHub

parent d9b0480f09

commit f6dd826437

10 changed files with 73 additions and 10 deletions

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