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transfer: also stop the sending on closed connection

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Previously this cleared the receiving bit only but in some cases it is
also still sending (like a request-body) when disconnected and neither
direction can continue then.

Fixes #11769
Reported-by: Oleg Jukovec
Closes #11795
This commit is contained in:
Daniel Stenberg 2023-09-04 14:14:32 +02:00
parent 356567c649
commit 95a865b462
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GPG Key ID: 5CC908FDB71E12C2
1 changed files with 4 additions and 3 deletions
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7
lib/transfer.c
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@ -492,15 +492,16 @@ static CURLcode readwrite_data(struct Curl_easy *data,
if(0 < nread || is_empty_data) {
buf[nread] = 0;
}
else {
if(!nread) {
/* if we receive 0 or less here, either the data transfer is done or the
server closed the connection and we bail out from this! */
if(data_eof_handled)
DEBUGF(infof(data, "nread == 0, stream closed, bailing"));
else
DEBUGF(infof(data, "nread <= 0, server closed connection, bailing"));
k->keepon &= ~KEEP_RECV;
break;
k->keepon = 0; /* stop sending as well */
if(!is_empty_data)
break;
}
/* Default buffer to use when we write the buffer, it may be changed