tree 2b935270596bb6574bf49c1c10289a9d170e2ca4
parent 34695c4742dd8055ed88b409014353e99288c43e
author Adam Langley <agl@golang.org> 1436481722 -0700
committer Adam Langley <agl@golang.org> 1440948816 +0000

crypto/tls: reject ServerHellos with empty ALPN protocols.

https://tools.ietf.org/html/rfc7301#section-3.1 specifies that a
ProtocolName may not be empty. This change enforces this for ServerHello
messages—it's already enforced for ClientHello messages.

Change-Id: Ic5a5be6bebf07fba90a3cabd10b07ab7b4337f53
Reviewed-on: https://go-review.googlesource.com/12003
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>