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69 lines
2.6 KiB
69 lines
2.6 KiB
From 8a5949f2d74c3a3a6c6da25449992c312b183ef3 Mon Sep 17 00:00:00 2001
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From: Christopher Faulet <cfaulet@haproxy.com>
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Date: Fri, 2 Feb 2018 15:54:15 +0100
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Subject: [PATCH] BUG/MEDIUM: http: Switch the HTTP response in tunnel mode as
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earlier as possible
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When the body length is undefined (no Content-Length or Transfer-Encoding
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headers), The reponse remains in ending mode, waiting the request is done. So,
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most of time this is not a problem because the resquest is done before the
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response. But when a client sends data to a server that replies without waiting
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all the data, it is really not desirable to wait the end of the request to
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finish the response.
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This bug was introduced when the tunneling of the request and the reponse was
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refactored, in commit 4be980391 ("MINOR: http: Switch requests/responses in
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TUNNEL mode only by checking txn flag").
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This patch should be backported in 1.8 and 1.7.
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(cherry picked from commit fd04fcf5edb0a24cd29ce8f4d4dc2aa3a0e2e82c)
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Signed-off-by: Willy Tarreau <w@1wt.eu>
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---
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src/proto_http.c | 15 +++++----------
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1 file changed, 5 insertions(+), 10 deletions(-)
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diff --git a/src/proto_http.c b/src/proto_http.c
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index 64bd410..29880ea 100644
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--- a/src/proto_http.c
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+++ b/src/proto_http.c
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@@ -4634,16 +4634,8 @@ int http_sync_res_state(struct stream *s)
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* let's enforce it now that we're not expecting any new
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* data to come. The caller knows the stream is complete
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* once both states are CLOSED.
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- *
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- * However, there is an exception if the response length
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- * is undefined. In this case, we switch in TUNNEL mode.
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*/
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- if (!(txn->rsp.flags & HTTP_MSGF_XFER_LEN)) {
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- channel_auto_read(chn);
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- txn->rsp.msg_state = HTTP_MSG_TUNNEL;
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- chn->flags |= CF_NEVER_WAIT;
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- }
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- else if (!(chn->flags & (CF_SHUTW|CF_SHUTW_NOW))) {
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+ if (!(chn->flags & (CF_SHUTW|CF_SHUTW_NOW))) {
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channel_shutr_now(chn);
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channel_shutw_now(chn);
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}
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@@ -6241,6 +6233,8 @@ http_msg_forward_body(struct stream *s, struct http_msg *msg)
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/* The server still sending data that should be filtered */
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if (!(chn->flags & CF_SHUTR) && HAS_DATA_FILTERS(s, chn))
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goto missing_data_or_waiting;
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+ msg->msg_state = HTTP_MSG_TUNNEL;
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+ goto ending;
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}
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msg->msg_state = HTTP_MSG_ENDING;
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@@ -6262,7 +6256,8 @@ http_msg_forward_body(struct stream *s, struct http_msg *msg)
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/* default_ret */ 1,
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/* on_error */ goto error,
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/* on_wait */ goto waiting);
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- msg->msg_state = HTTP_MSG_DONE;
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+ if (msg->msg_state == HTTP_MSG_ENDING)
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+ msg->msg_state = HTTP_MSG_DONE;
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return 1;
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missing_data_or_waiting:
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--
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1.7.10.4
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