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[mod_dirlisting] send 103 Early Hints only for h2+ 

paranoia: do not send 103 for HTTP/1.x; only for HTTP/2 +

x-ref:
  https://www.rfc-editor.org/rfc/rfc8297.html#section-3
This commit is contained in:
Glenn Strauss 2023-09-18 01:19:10 -04:00
parent 66349e281f
commit 2328eccbad
1 changed files with 4 additions and 1 deletions
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5
src/mod_dirlisting.c
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@ -1558,7 +1558,10 @@ URIHANDLER_FUNC(mod_dirlisting_subrequest_start) {
handler_t rc = mod_dirlisting_subrequest(r, p);
if (rc == HANDLER_WAIT_FOR_EVENT && p->conf.auto_layout
&& (p->conf.external_js || p->conf.external_css)) {
&& (p->conf.external_js || p->conf.external_css)
/* (paranoia: do not send 103 for HTTP/1.x; only for HTTP/2 +)
* https://www.rfc-editor.org/rfc/rfc8297.html#section-3 */
&& r->http_version >= HTTP_VERSION_2) {
/* send 103 Early Hints intermediate response (send once only)*/
r->http_status = 103; /* 103 Early Hints */
if (!http_response_send_1xx(r))