exchange/src/lib/exchange_api_curl_defaults.c
2021-12-14 16:04:40 +01:00

63 lines
2.0 KiB
C

/*
This file is part of TALER
Copyright (C) 2014-2018, 2021 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"
CURL *
TALER_EXCHANGE_curl_easy_get_ (const char *url)
{
CURL *eh;
eh = curl_easy_init ();
if (NULL == eh)
{
GNUNET_break (0);
return NULL;
}
GNUNET_assert (CURLE_OK ==
curl_easy_setopt (eh,
CURLOPT_URL,
url));
GNUNET_assert (CURLE_OK ==
curl_easy_setopt (eh,
CURLOPT_FOLLOWLOCATION,
1L));
/* Enable compression (using whatever curl likes), see
https://curl.se/libcurl/c/CURLOPT_ACCEPT_ENCODING.html */
GNUNET_break (CURLE_OK ==
curl_easy_setopt (eh,
CURLOPT_ACCEPT_ENCODING,
""));
/* 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;
}