tree bd6678efdd8605510827a11c45beda1e3edd317c
parent d87d3fab25b3795a74ace2cf2ee16d4516e7a9c0
author Olivier Houchard <ohouchard@haproxy.com> 1561723833 +0200
committer Olivier Houchard <cognet@ci0.org> 1561723948 +0200

BUG/MEDIUM: ssl: Don't attempt to set alpn if we're not using SSL.

Checks use ssl_sock_set_alpn() to set the ALPN if check-alpn is used, however
check-alpn failed to check if the connection was indeed using SSL, and thus,
would crash if check-alpn was used on a non-SSL connection. Fix this by
making sure the connection uses SSL before attempting to set the ALPN.

This should be backported to 2.0 and 1.9.