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http2: error stream resets with code CURLE_HTTP2_STREAM

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- refs #11357, where it was reported that HTTP/1.1 downgrades
  no longer works
- fixed with suggested change
- added test_05_03 and a new handler in the curltest module
  to reproduce that downgrades work

Fixes #11357
Closes #11362
Reported-by: Jay Satiro
This commit is contained in:
Stefan Eissing 2023-06-21 15:59:42 +02:00 • committed by Daniel Stenberg
parent 27242bbad3
commit d435bf1baf
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GPG key ID: 5CC908FDB71E12C2
4 changed files with 95 additions and 6 deletions
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10
lib/http2.c
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@ -1584,11 +1584,6 @@ static ssize_t http2_handle_stream_close(struct Curl_cfilter *cf,
*err = CURLE_SEND_ERROR; /* trigger Curl_retry_request() later */
return -1;
}
else if(stream->reset) {
failf(data, "HTTP/2 stream %u was reset", stream->id);
*err = stream->bodystarted? CURLE_PARTIAL_FILE : CURLE_RECV_ERROR;
return -1;
}
else if(stream->error != NGHTTP2_NO_ERROR) {
failf(data, "HTTP/2 stream %u was not closed cleanly: %s (err %u)",
stream->id, nghttp2_http2_strerror(stream->error),
@ -1596,6 +1591,11 @@ static ssize_t http2_handle_stream_close(struct Curl_cfilter *cf,
*err = CURLE_HTTP2_STREAM;
return -1;
}
else if(stream->reset) {
failf(data, "HTTP/2 stream %u was reset", stream->id);
*err = stream->bodystarted? CURLE_PARTIAL_FILE : CURLE_RECV_ERROR;
return -1;
}
if(!stream->bodystarted) {
failf(data, "HTTP/2 stream %u was closed cleanly, but before getting "