exchange/src/lib/exchange_api_curl_defaults.c

60 lines
1.9 KiB
C

/*
This file is part of TALER
Copyright (C) 2014-2018 Taler Systems SA
TALER is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
TALER is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
TALER; see the file COPYING. If not, see
<http://www.gnu.org/licenses/>
*/
/**
* @file lib/exchange_api_curl_defaults.c
* @brief curl easy handle defaults
* @author Florian Dold
*/
#include "exchange_api_curl_defaults.h"
/**
* Get a curl handle with the right defaults for the exchange lib. In the
* future, we might manage a pool of connections here.
*
* @param url URL to query
*/
CURL *
TALER_EXCHANGE_curl_easy_get_ (const char *url)
{
CURL *eh;
eh = curl_easy_init ();
if (NULL == eh)
return NULL;
GNUNET_assert (CURLE_OK ==
curl_easy_setopt (eh,
CURLOPT_URL,
url));
GNUNET_assert (CURLE_OK ==
curl_easy_setopt (eh,
CURLOPT_FOLLOWLOCATION,
1L));
/* limit MAXREDIRS to 5 as a simple security measure against
a potential infinite loop caused by a malicious target */
GNUNET_assert (CURLE_OK ==
curl_easy_setopt (eh,
CURLOPT_MAXREDIRS,
5L));
GNUNET_assert (CURLE_OK ==
curl_easy_setopt (eh,
CURLOPT_TCP_FASTOPEN,
1L));
return eh;
}