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http2: mark the connection for close on GOAWAY

This commit is contained in:
Kamil Dudka 2018-03-12 10:28:21 +01:00
parent bdc6ab544b
commit 43b81665b0
2 changed files with 214 additions and 1 deletions
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206
0001-curl-7.58.0-h2-goaway.patch Normal file
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@ -0,0 +1,206 @@
From d9a3018050ce24e1ee416c33f4907f238e860ce3 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Sat, 10 Mar 2018 23:48:43 +0100
Subject: [PATCH] http2: mark the connection for close on GOAWAY
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
... don't consider it an error!
Assisted-by: Jay Satiro
Reported-by: Łukasz Domeradzki
Fixes #2365
Closes #2375
Upstream-commit: 8b498a875c975294545581282289991bbcfeabf4
Signed-off-by: Kamil Dudka <kdudka@redhat.com>
---
lib/http.h | 5 ++---
lib/http2.c | 33 +++++++++++++++++++++------------
lib/multi.c | 9 +++------
3 files changed, 26 insertions(+), 21 deletions(-)
diff --git a/lib/http.h b/lib/http.h
index d2781bc..2ce44bb 100644
--- a/lib/http.h
+++ b/lib/http.h
@@ -7,7 +7,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@@ -172,8 +172,6 @@ struct HTTP {
size_t pauselen; /* the number of bytes left in data */
bool closed; /* TRUE on HTTP2 stream close */
bool close_handled; /* TRUE if stream closure is handled by libcurl */
- uint32_t error_code; /* HTTP/2 error code */
-
char *mem; /* points to a buffer in memory to store received data */
size_t len; /* size of the buffer 'mem' points to */
size_t memlen; /* size of data copied to mem */
@@ -226,6 +224,7 @@ struct http_conn {
/* list of settings that will be sent */
nghttp2_settings_entry local_settings[3];
size_t local_settings_num;
+ uint32_t error_code; /* HTTP/2 error code */
#else
int unused; /* prevent a compiler warning */
#endif
diff --git a/lib/http2.c b/lib/http2.c
index 6992879..13a79d1 100644
--- a/lib/http2.c
+++ b/lib/http2.c
@@ -204,7 +204,6 @@ void Curl_http2_setup_req(struct Curl_easy *data)
http->status_code = -1;
http->pausedata = NULL;
http->pauselen = 0;
- http->error_code = NGHTTP2_NO_ERROR;
http->closed = FALSE;
http->close_handled = FALSE;
http->mem = data->state.buffer;
@@ -217,6 +216,7 @@ void Curl_http2_setup_conn(struct connectdata *conn)
{
conn->proto.httpc.settings.max_concurrent_streams =
DEFAULT_MAX_CONCURRENT_STREAMS;
+ conn->proto.httpc.error_code = NGHTTP2_NO_ERROR;
}
/*
@@ -777,6 +777,7 @@ static int on_stream_close(nghttp2_session *session, int32_t stream_id,
(void)stream_id;
if(stream_id) {
+ struct http_conn *httpc;
/* get the stream from the hash based on Stream ID, stream ID zero is for
connection-oriented stuff */
data_s = nghttp2_session_get_stream_user_data(session, stream_id);
@@ -791,10 +792,11 @@ static int on_stream_close(nghttp2_session *session, int32_t stream_id,
if(!stream)
return NGHTTP2_ERR_CALLBACK_FAILURE;
- stream->error_code = error_code;
stream->closed = TRUE;
data_s->state.drain++;
- conn->proto.httpc.drain_total++;
+ httpc = &conn->proto.httpc;
+ httpc->drain_total++;
+ httpc->error_code = error_code;
/* remove the entry from the hash as the stream is now gone */
nghttp2_session_set_stream_user_data(session, stream_id, 0);
@@ -1225,13 +1227,14 @@ static int h2_session_send(struct Curl_easy *data,
* This function returns 0 if it succeeds, or -1 and error code will
* be assigned to *err.
*/
-static int h2_process_pending_input(struct Curl_easy *data,
+static int h2_process_pending_input(struct connectdata *conn,
struct http_conn *httpc,
CURLcode *err)
{
ssize_t nread;
char *inbuf;
ssize_t rv;
+ struct Curl_easy *data = conn->data;
nread = httpc->inbuflen - httpc->nread_inbuf;
inbuf = httpc->inbuf + httpc->nread_inbuf;
@@ -1269,7 +1272,13 @@ static int h2_process_pending_input(struct Curl_easy *data,
if(should_close_session(httpc)) {
DEBUGF(infof(data,
"h2_process_pending_input: nothing to do in this session\n"));
- *err = CURLE_HTTP2;
+ if(httpc->error_code)
+ *err = CURLE_HTTP2;
+ else {
+ /* not an error per se, but should still close the connection */
+ connclose(conn, "GOAWAY received");
+ *err = CURLE_OK;
+ }
return -1;
}
@@ -1300,7 +1309,7 @@ CURLcode Curl_http2_done_sending(struct connectdata *conn)
that it can signal EOF to nghttp2 */
(void)nghttp2_session_resume_data(h2, stream->stream_id);
- (void)h2_process_pending_input(conn->data, httpc, &result);
+ (void)h2_process_pending_input(conn, httpc, &result);
}
}
return result;
@@ -1324,7 +1333,7 @@ static ssize_t http2_handle_stream_close(struct connectdata *conn,
data->state.drain = 0;
if(httpc->pause_stream_id == 0) {
- if(h2_process_pending_input(data, httpc, err) != 0) {
+ if(h2_process_pending_input(conn, httpc, err) != 0) {
return -1;
}
}
@@ -1333,10 +1342,10 @@ static ssize_t http2_handle_stream_close(struct connectdata *conn,
/* Reset to FALSE to prevent infinite loop in readwrite_data function. */
stream->closed = FALSE;
- if(stream->error_code != NGHTTP2_NO_ERROR) {
+ if(httpc->error_code != NGHTTP2_NO_ERROR) {
failf(data, "HTTP/2 stream %u was not closed cleanly: %s (err %d)",
- stream->stream_id, Curl_http2_strerror(stream->error_code),
- stream->error_code);
+ stream->stream_id, Curl_http2_strerror(httpc->error_code),
+ httpc->error_code);
*err = CURLE_HTTP2_STREAM;
return -1;
}
@@ -1484,7 +1493,7 @@ static ssize_t http2_recv(struct connectdata *conn, int sockindex,
/* We have paused nghttp2, but we have no pause data (see
on_data_chunk_recv). */
httpc->pause_stream_id = 0;
- if(h2_process_pending_input(data, httpc, &result) != 0) {
+ if(h2_process_pending_input(conn, httpc, &result) != 0) {
*err = result;
return -1;
}
@@ -1514,7 +1523,7 @@ static ssize_t http2_recv(struct connectdata *conn, int sockindex,
frames, then we have to call it again with 0-length data.
Without this, on_stream_close callback will not be called,
and stream could be hanged. */
- if(h2_process_pending_input(data, httpc, &result) != 0) {
+ if(h2_process_pending_input(conn, httpc, &result) != 0) {
*err = result;
return -1;
}
diff --git a/lib/multi.c b/lib/multi.c
index 43823cc..50f4d87 100644
--- a/lib/multi.c
+++ b/lib/multi.c
@@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@@ -535,11 +535,8 @@ static CURLcode multi_done(struct connectdata **connp,
result = CURLE_ABORTED_BY_CALLBACK;
}
- if(conn->send_pipe.size + conn->recv_pipe.size != 0 &&
- !data->set.reuse_forbid &&
- !conn->bits.close) {
- /* Stop if pipeline is not empty and we do not have to close
- connection. */
+ if(conn->send_pipe.size || conn->recv_pipe.size) {
+ /* Stop if pipeline is not empty . */
data->easy_conn = NULL;
DEBUGF(infof(data, "Connection still in use, no more multi_done now!\n"));
return CURLE_OK;
--
2.14.3

9
curl.spec
View File

@ -1,10 +1,13 @@
Summary: A utility for getting files from remote servers (FTP, HTTP, and others)
Name: curl
Version: 7.58.0
Release: 7%{?dist}
Release: 8%{?dist}
License: MIT
Source: https://curl.haxx.se/download/%{name}-%{version}.tar.xz
# http2: mark the connection for close on GOAWAY
Patch1: 0001-curl-7.58.0-h2-goaway.patch
# patch making libcurl multilib ready
Patch101: 0101-curl-7.32.0-multilib.patch
@ -151,6 +154,7 @@ be installed.
%setup -q
# upstream patches
%patch1 -p1
# Fedora patches
%patch101 -p1
@ -296,6 +300,9 @@ rm -f ${RPM_BUILD_ROOT}%{_libdir}/libcurl.la
%{_libdir}/libcurl.so.4.[0-9].[0-9].minimal
%changelog
* Mon Mar 12 2018 Kamil Dudka <kdudka@redhat.com> - 7.58.0-8
- http2: mark the connection for close on GOAWAY
* Mon Feb 19 2018 Paul Howarth <paul@city-fan.org> - 7.58.0-7
- Add explicity-used build requirements
- Fix libcurl soname version number in %%files list to avoid accidental soname