63 lines
2.3 KiB
Diff
63 lines
2.3 KiB
Diff
From fda4b81635672568efc716889d79e446bccc90ed Mon Sep 17 00:00:00 2001
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From: Daniel Stenberg <daniel@haxx.se>
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Date: Fri, 1 Apr 2022 13:23:04 +0200
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Subject: [PATCH 3/3] http2: RST the stream if we stop it on our own will
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For the "simulated 304" case the done-call isn't considered "premature"
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but since the server didn't close the stream it needs to be reset to
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stop delivering data.
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Closes #8664
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---
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lib/http2.c | 24 +++++++++++++++---------
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1 file changed, 15 insertions(+), 9 deletions(-)
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diff --git a/lib/http2.c b/lib/http2.c
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index 34daaf17c..34031f17c 100644
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--- a/lib/http2.c
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+++ b/lib/http2.c
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@@ -825,10 +825,14 @@ static int on_data_chunk_recv(nghttp2_session *session, uint8_t flags,
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/* get the stream from the hash based on Stream ID */
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data_s = nghttp2_session_get_stream_user_data(session, stream_id);
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- if(!data_s)
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- /* Receiving a Stream ID not in the hash should not happen, this is an
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- internal error more than anything else! */
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- return NGHTTP2_ERR_CALLBACK_FAILURE;
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+ if(!data_s) {
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+ /* Receiving a Stream ID not in the hash should not happen - unless
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+ we have aborted a transfer artificially and there were more data
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+ in the pipeline. Silently ignore. */
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+ H2BUGF(fprintf(stderr, "Data for stream %u but it doesn't exist\n",
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+ stream_id));
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+ return 0;
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+ }
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stream = data_s->req.p.http;
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if(!stream)
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@@ -1234,17 +1238,19 @@ void Curl_http2_done(struct Curl_easy *data, bool premature)
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!httpc->h2) /* not HTTP/2 ? */
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return;
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- if(premature) {
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+ /* do this before the reset handling, as that might clear ->stream_id */
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+ if(http->stream_id == httpc->pause_stream_id) {
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+ H2BUGF(infof(data, "DONE the pause stream (%x)", http->stream_id));
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+ httpc->pause_stream_id = 0;
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+ }
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+ if(premature || (!http->closed && http->stream_id)) {
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/* RST_STREAM */
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set_transfer(httpc, data); /* set the transfer */
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+ H2BUGF(infof(data, "RST stream %x", http->stream_id));
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if(!nghttp2_submit_rst_stream(httpc->h2, NGHTTP2_FLAG_NONE,
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http->stream_id, NGHTTP2_STREAM_CLOSED))
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(void)nghttp2_session_send(httpc->h2);
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}
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- if(http->stream_id == httpc->pause_stream_id) {
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- H2BUGF(infof(data, "DONE the pause stream!"));
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- httpc->pause_stream_id = 0;
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- }
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if(data->state.drain)
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drained_transfer(data, httpc);
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