tree b63ce907825ff6786147317678da2308f5b4bfde
parent e6737a86568dd3da416aa94d9346b49e24e016f3
author David Benjamin <davidben@google.com> 1526411188 -0400
committer David Benjamin <davidben@google.com> 1526425359 +0000

Reject if the ALPN callback returned an empty protocol.

If the callback returns an empty ALPN, we forget we negotiated ALPN at
all (bssl::Array does not distinguish null and empty). Empty ALPN
protocols are forbidden anyway, so reject these ahead of time.

Change-Id: I42f1fc4c843bc865e23fb2a2e5d57424b569ee99
Reviewed-on: https://boringssl-review.googlesource.com/28546
Reviewed-by: Adam Langley <agl@google.com>