contrib/elf2dmp/download.c

   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 }