From: Willy Tarreau <w@1wt.eu>
Date: Tue, 31 Oct 2017 07:35:27 +0000 (+0100)
Subject: MEDIUM: h2: properly continue to parse header block when facing a 1xx response
X-Git-Tag: v1.8-rc1~19
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c199faf5bd54aa4b53053a0919b5f9afb1592d12;p=thirdparty%2Fhaproxy.git

MEDIUM: h2: properly continue to parse header block when facing a 1xx response

We still didn't handle the 1xx responses properly.
---

diff --git a/src/mux_h2.c b/src/mux_h2.c
index e0e2ebe57b..0b4165e860 100644
--- a/src/mux_h2.c
+++ b/src/mux_h2.c
@@ -1949,6 +1949,7 @@ static int h2s_frt_make_resp_headers(struct h2s *h2s, struct buffer *buf)
 	 * block does not wrap and we can safely read it this way without
 	 * having to realign the buffer.
 	 */
+ next_header_block:
 	ret = h1_headers_to_hdr_list(bo_ptr(buf), bo_ptr(buf) + buf->o,
 	                             list, sizeof(list)/sizeof(list[0]), h1m);
 	if (ret <= 0) {
@@ -2067,6 +2068,12 @@ static int h2s_frt_make_resp_headers(struct h2s *h2s, struct buffer *buf)
 		else
 			h2s->st = H2_SS_CLOSED;
 	}
+	else if (h1m->status >= 100 && h1m->status < 200) {
+		h1m->state = HTTP_MSG_RPBEFORE;
+		h1m->status = 0;
+		h1m->flags = 0;
+		goto next_header_block;
+	}
 	else
 		h1m->state = (h1m->flags & H1_MF_CLEN) ? HTTP_MSG_BODY : HTTP_MSG_CHUNK_SIZE;