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https://bugs.gentoo.org/924017
https://github.com/curl/curl/pull/12848
From ed09a99af57200643d5ae001e815eeab9ffe3f84 Mon Sep 17 00:00:00 2001
From: Stefan Eissing <stefan@eissing.org>
Date: Thu, 1 Feb 2024 18:15:50 +0100
Subject: [PATCH] vtls: revert "receive max buffer" + add test case
- add test_05_04 for requests using http/1.0, http/1.1 and h2 against an
Apache resource that does an unclean TLS shutdown.
- revert special workarund in openssl.c for suppressing shutdown errors
on multiplexed connections
- vlts.c restore to its state before 9a90c9dd64d2f03601833a70786d485851bd1b53
Fixes #12885
Fixes #12844
Closes #12848
---
lib/vtls/vtls.c | 27 ++++++---------------------
1 file changed, 6 insertions(+), 21 deletions(-)
diff --git a/lib/vtls/vtls.c b/lib/vtls/vtls.c
index e928ba5d0..f654a9749 100644
--- a/lib/vtls/vtls.c
+++ b/lib/vtls/vtls.c
@@ -1715,32 +1715,17 @@ static ssize_t ssl_cf_recv(struct Curl_cfilter *cf,
{
struct cf_call_data save;
ssize_t nread;
- size_t ntotal = 0;
CF_DATA_SAVE(save, cf, data);
*err = CURLE_OK;
- /* Do receive until we fill the buffer somehwhat or EGAIN, error or EOF */
- while(!ntotal || (len - ntotal) > (4*1024)) {
+ nread = Curl_ssl->recv_plain(cf, data, buf, len, err);
+ if(nread > 0) {
+ DEBUGASSERT((size_t)nread <= len);
+ }
+ else if(nread == 0) {
+ /* eof */
*err = CURLE_OK;
- nread = Curl_ssl->recv_plain(cf, data, buf + ntotal, len - ntotal, err);
- if(nread < 0) {
- if(*err == CURLE_AGAIN && ntotal > 0) {
- /* we EAGAINed after having reed data, return the success amount */
- *err = CURLE_OK;
- break;
- }
- /* we have a an error to report */
- goto out;
- }
- else if(nread == 0) {
- /* eof */
- break;
- }
- ntotal += (size_t)nread;
- DEBUGASSERT((size_t)ntotal <= len);
}
- nread = (ssize_t)ntotal;
-out:
CURL_TRC_CF(data, cf, "cf_recv(len=%zu) -> %zd, %d", len,
nread, *err);
CF_DATA_RESTORE(cf, save);
--
2.43.0
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