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pingpong: Check SSL library buffers for already read data

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Otherwise the connection can get stuck during various phases, waiting
for new data on the socket using select() etc., but it will never be
received as the data has already been read into SSL library.
This commit is contained in:
Jiri Hruska 2013-09-09 01:05:14 +02:00 committed by Steve Holme
parent e20e48cbf2
commit 6d9cddc513
1 changed files with 4 additions and 0 deletions
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4
lib/pingpong.c
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@ -33,6 +33,7 @@
#include "pingpong.h" #include "pingpong.h"
#include "multiif.h" #include "multiif.h"
#include "non-ascii.h" #include "non-ascii.h"
#include "sslgen.h"
#define _MPRINTF_REPLACE /* use our functions only */ #define _MPRINTF_REPLACE /* use our functions only */
#include <curl/mprintf.h> #include <curl/mprintf.h>
@ -105,6 +106,9 @@ CURLcode Curl_pp_statemach(struct pingpong *pp, bool block)
if(Curl_pp_moredata(pp)) if(Curl_pp_moredata(pp))
/* We are receiving and there is data in the cache so just read it */ /* We are receiving and there is data in the cache so just read it */
rc = 1; rc = 1;
else if(!pp->sendleft && Curl_ssl_data_pending(conn, FIRSTSOCKET))
/* We are receiving and there is data ready in the SSL library */
rc = 1;
else else
rc = Curl_socket_ready(pp->sendleft?CURL_SOCKET_BAD:sock, /* reading */ rc = Curl_socket_ready(pp->sendleft?CURL_SOCKET_BAD:sock, /* reading */
pp->sendleft?sock:CURL_SOCKET_BAD, /* writing */ pp->sendleft?sock:CURL_SOCKET_BAD, /* writing */