doc/examples/ex-pkcs11-list.c

   1 /* This example code is placed in the public domain. */
   2
   3 #include <config.h>
   4 #include <gnutls/gnutls.h>
   5 #include <gnutls/pkcs11.h>
   6 #include <stdio.h>
   7 #include <stdlib.h>
   8
   9 #define URL "pkcs11:URL"
  10
  11 int
  12 main (int argc, char** argv)
  13 {
  14   gnutls_pkcs11_obj_t *obj_list;
  15   gnutls_x509_crt_t xcrt;
  16   unsigned int obj_list_size = 0;
  17   gnutls_datum_t cinfo;
  18   int ret;
  19   unsigned int i;
  20
  21   obj_list_size = 0;
  22   ret = gnutls_pkcs11_obj_list_import_url (NULL, &obj_list_size, URL,
  23                                        GNUTLS_PKCS11_OBJ_ATTR_CRT_WITH_PRIVKEY,
  24                                        0);
  25   if (ret < 0 && ret != GNUTLS_E_SHORT_MEMORY_BUFFER)
  26     return -1;
  27
  28 /* no error checking from now on */
  29   obj_list = malloc (sizeof (*obj_list) * obj_list_size);
  30
  31   gnutls_pkcs11_obj_list_import_url (obj_list, &obj_list_size, URL,
  32                                      GNUTLS_PKCS11_OBJ_ATTR_CRT_WITH_PRIVKEY,
  33                                      0);
  34
  35 /* now all certificates are in obj_list */
  36   for (i = 0; i < obj_list_size; i++)
  37     {
  38
  39       gnutls_x509_crt_init (&xcrt);
  40
  41       gnutls_x509_crt_import_pkcs11 (xcrt, obj_list[i]);
  42
  43       gnutls_x509_crt_print (xcrt, GNUTLS_CRT_PRINT_FULL, &cinfo);
  44
  45       fprintf (stdout, "cert[%d]:\n %s\n\n", i, cinfo.data);
  46
  47       gnutls_free (cinfo.data);
  48       gnutls_x509_crt_deinit (xcrt);
  49     }
  50
  51   return 0;
  52 }