Jeff King <peff@xxxxxxxx> writes: > Commit 73c49a4474 (t: run t5551 tests with both HTTP and HTTP/2, > 2022-11-11) added Apache config to enable HTTP/2. However, it only > enabled the "h2c" protocol, which allows cleartext HTTP/2 (generally > based on an upgrade header during an HTTP/1.1 request). This is what > t5559 is generally testing, since by default we don't set up SSL/TLS. > > However, it should be possible to run t5559 with LIB_HTTPD_SSL set. In > that case, Apache will advertise support for HTTP/2 via ALPN during the > TLS handshake. But we need to tell it support "h2" (the non-cleartext > version) to do so. Without that, then curl does not even try to do the > HTTP/1.1 upgrade (presumably because after seeing that we did TLS but > didn't get the ALPN indicator, it assumes it would be fruitless). Wow, that is tricky. Nicely found and fixed. > > Signed-off-by: Jeff King <peff@xxxxxxxx> > --- > t/lib-httpd/apache.conf | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/t/lib-httpd/apache.conf b/t/lib-httpd/apache.conf > index 51a4fbcf62..693b75e0ae 100644 > --- a/t/lib-httpd/apache.conf > +++ b/t/lib-httpd/apache.conf > @@ -31,7 +31,7 @@ ErrorLog error.log > > <IfDefine HTTP2> > LoadModule http2_module modules/mod_http2.so > -Protocols h2c > +Protocols h2 h2c > </IfDefine> > > <IfModule !mod_auth_basic.c>
