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curl/tests/libtest/lib1591.c
Daniel Stenberg 38797e8811
lib1591: free memory properly on OOM, in the trailers callback
Detected by torture tests.

Closes #4720
2019-12-15 18:19:01 +01:00

119 lines
3.1 KiB
C

/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2019, 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.haxx.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.
*
***************************************************************************/
/*
* This unit test PUT http data over proxy. Proxy header will be different
* from server http header
*/
#include "test.h"
#include <stdio.h>
#include "memdebug.h"
static char data [] = "Hello Cloud!\r\n";
static size_t consumed = 0;
static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *stream)
{
size_t amount = nmemb * size; /* Total bytes curl wants */
if(consumed == strlen(data)) {
return 0;
}
if(amount > strlen(data)-consumed) {
amount = strlen(data);
}
consumed += amount;
(void)stream;
memcpy(ptr, data, amount);
return amount;
}
/*
* carefully not leak memory on OOM
*/
static int trailers_callback(struct curl_slist **list, void *userdata)
{
struct curl_slist *nlist = NULL;
struct curl_slist *nlist2 = NULL;
(void)userdata;
nlist = curl_slist_append(*list, "my-super-awesome-trailer: trail1");
if(nlist)
nlist2 = curl_slist_append(nlist, "my-other-awesome-trailer: trail2");
if(nlist2) {
*list = nlist2;
return CURL_TRAILERFUNC_OK;
}
else {
curl_slist_free_all(nlist);
return CURL_TRAILERFUNC_ABORT;
}
}
int test(char *URL)
{
CURL *curl = NULL;
CURLcode res = CURLE_FAILED_INIT;
/* http and proxy header list*/
struct curl_slist *hhl = NULL;
if(curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
fprintf(stderr, "curl_global_init() failed\n");
return TEST_ERR_MAJOR_BAD;
}
curl = curl_easy_init();
if(!curl) {
fprintf(stderr, "curl_easy_init() failed\n");
curl_global_cleanup();
return TEST_ERR_MAJOR_BAD;
}
hhl = curl_slist_append(hhl, "Trailer: my-super-awesome-trailer,"
" my-other-awesome-trailer");
if(!hhl) {
goto test_cleanup;
}
test_setopt(curl, CURLOPT_URL, URL);
test_setopt(curl, CURLOPT_HTTPHEADER, hhl);
test_setopt(curl, CURLOPT_PUT, 1L);
test_setopt(curl, CURLOPT_READFUNCTION, read_callback);
test_setopt(curl, CURLOPT_TRAILERFUNCTION, trailers_callback);
test_setopt(curl, CURLOPT_TRAILERDATA, NULL);
res = curl_easy_perform(curl);
test_cleanup:
curl_easy_cleanup(curl);
curl_slist_free_all(hhl);
curl_global_cleanup();
return (int)res;
}