xref: /qemu/contrib/elf2dmp/download.c (revision 9c707525)
1 /*
2  * Copyright (c) 2018 Virtuozzo International GmbH
3  *
4  * This work is licensed under the terms of the GNU GPL, version 2 or later.
5  *
6  */
7 
8 #include "qemu/osdep.h"
9 #include <curl/curl.h>
10 #include "download.h"
11 
12 bool download_url(const char *name, const char *url)
13 {
14     bool success = false;
15     FILE *file;
16     CURL *curl = curl_easy_init();
17 
18     if (!curl) {
19         return false;
20     }
21 
22     file = fopen(name, "wb");
23     if (!file) {
24         goto out_curl;
25     }
26 
27     if (curl_easy_setopt(curl, CURLOPT_URL, url) != CURLE_OK
28             || curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, NULL) != CURLE_OK
29             || curl_easy_setopt(curl, CURLOPT_WRITEDATA, file) != CURLE_OK
30             || curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1) != CURLE_OK
31             || curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0) != CURLE_OK
32             || curl_easy_perform(curl) != CURLE_OK) {
33         unlink(name);
34         fclose(file);
35     } else {
36         success = !fclose(file);
37     }
38 
39 out_curl:
40     curl_easy_cleanup(curl);
41 
42     return success;
43 }
44