docs/examples/certinfo.c

   1 /*****************************************************************************
   2  */
   3
   4 #include <stdio.h>
   5
   6 #include <curl/curl.h>
   7 #include <curl/types.h>
   8 #include <curl/easy.h>
   9
  10 static size_t wrfu(void *ptr,  size_t  size,  size_t  nmemb,  void *stream)
  11 {
  12   return size * nmemb;
  13 }
  14 int main(int argc, char **argv)
  15 {
  16   CURL *curl;
  17   CURLcode res;
  18
  19   curl_global_init(CURL_GLOBAL_DEFAULT);
  20
  21   curl = curl_easy_init();
  22   if(curl) {
  23     curl_easy_setopt(curl, CURLOPT_URL, "https://www.example.com/");
  24
  25     curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, wrfu);
  26
  27     curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
  28     curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
  29
  30     curl_easy_setopt(curl, CURLOPT_VERBOSE, 0L);
  31     curl_easy_setopt(curl, CURLOPT_CERTINFO, 1L);
  32
  33     res = curl_easy_perform(curl);
  34
  35     if(!res) {
  36       struct curl_certinfo *ci = NULL;
  37
  38       res = curl_easy_getinfo(curl, CURLINFO_CERTINFO, &ci);
  39
  40       if(!res && ci) {
  41         int i;
  42         printf("%d certs!\n", ci->num_of_certs);
  43
  44         for(i=0; i<ci->num_of_certs; i++) {
  45           struct curl_slist *slist;
  46
  47           for(slist = ci->certinfo[i]; slist; slist = slist->next)
  48             printf("%s\n", slist->data);
  49
  50         }
  51       }
  52
  53     }
  54
  55
  56     curl_easy_cleanup(curl);
  57   }
  58
  59   curl_global_cleanup();
  60
  61   return 0;
  62 }