curl/tests/libtest/lib1648.c
Daniel Stenberg 88c7e16cce
setopt: clear proxy auth properly on NULL
Verify NULLed proxy credentials with test1648

Closes #21696
2026-05-20 15:54:41 +02:00

135 lines
3.7 KiB
C

/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* SPDX-License-Identifier: curl
*
***************************************************************************/
/*
* URL = host
* arg2 = port
*/
#include "first.h"
/* this is meant to pick up the proxy from the environment variable */
static CURLcode init1648(CURL *curl, const char *url, const char *proxy)
{
CURLcode result = CURLE_OK;
res_easy_setopt(curl, CURLOPT_URL, url);
if(result)
goto init_failed;
res_easy_setopt(curl, CURLOPT_PROXY, proxy);
if(result)
goto init_failed;
res_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
if(result)
goto init_failed;
return CURLE_OK; /* success */
init_failed:
return result; /* failure */
}
static CURLcode run1648(CURL *curl, const char *url, const char *userpwd)
{
CURLcode result = CURLE_OK;
result = init1648(curl, url, userpwd);
if(result)
return result;
return curl_easy_perform(curl);
}
#define GET_THIS "http://example.com/"
/*
* First get the URL over 'firstproxy' with auth.
* Then clear the auth and get the URL again over 'secondproxy'.
*/
static CURLcode test_lib1648(const char *hostip)
{
CURLcode result = CURLE_OK;
CURL *curl = NULL;
struct curl_slist *host = NULL;
struct curl_slist *host2 = NULL;
char proxy1_resolve[128];
char proxy2_resolve[128];
char proxy1_connect[128];
char proxy2_connect[128];
curl_msnprintf(proxy1_resolve, sizeof(proxy1_resolve),
"firstproxy:%s:%s", libtest_arg2, hostip);
curl_msnprintf(proxy2_resolve, sizeof(proxy2_resolve),
"secondproxy:%s:%s", libtest_arg2, hostip);
/* we connect to the fake host name but the right port number */
curl_msnprintf(proxy1_connect, sizeof(proxy1_connect),
"firstproxy:%s", libtest_arg2);
curl_msnprintf(proxy2_connect, sizeof(proxy2_connect),
"secondproxy:%s", libtest_arg2);
res_global_init(CURL_GLOBAL_ALL);
if(result)
return result;
curl = curl_easy_init();
if(!curl) {
curl_mfprintf(stderr, "curl_easy_init() failed\n");
curl_global_cleanup();
return TEST_ERR_MAJOR_BAD;
}
host = curl_slist_append(NULL, proxy1_resolve);
if(!host)
goto test_cleanup;
host2 = curl_slist_append(host, proxy2_resolve);
if(!host2)
goto test_cleanup;
host = host2;
start_test_timing();
easy_setopt(curl, CURLOPT_RESOLVE, host);
easy_setopt(curl, CURLOPT_PROXYUSERPWD, "victim:secret");
curl_mprintf("--- First get over %s\n", proxy1_connect);
result = run1648(curl, GET_THIS, proxy1_connect);
if(result)
goto test_cleanup;
easy_setopt(curl, CURLOPT_PROXYUSERPWD, NULL);
curl_mprintf("--- Then over '%s'\n", proxy2_connect);
result = run1648(curl, GET_THIS, proxy2_connect);
test_cleanup:
/* proper cleanup sequence - type PB */
curl_easy_cleanup(curl);
curl_global_cleanup();
curl_slist_free_all(host);
return result;
}