Line data    Source code

       1             : /* t-encrypt-large.c - Regression test for large amounts of data.
       2             :    Copyright (C) 2005 g10 Code GmbH
       3             : 
       4             :    This file is part of GPGME.
       5             :  
       6             :    GPGME is free software; you can redistribute it and/or modify it
       7             :    under the terms of the GNU Lesser General Public License as
       8             :    published by the Free Software Foundation; either version 2.1 of
       9             :    the License, or (at your option) any later version.
      10             :    
      11             :    GPGME is distributed in the hope that it will be useful, but
      12             :    WITHOUT ANY WARRANTY; without even the implied warranty of
      13             :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14             :    Lesser General Public License for more details.
      15             :    
      16             :    You should have received a copy of the GNU Lesser General Public
      17             :    License along with this program; if not, write to the Free Software
      18             :    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
      19             :    02111-1307, USA.  */
      20             : 
      21             : /* We need to include config.h so that we know whether we are building
      22             :    with large file system (LFS) support. */
      23             : #ifdef HAVE_CONFIG_H
      24             : #include <config.h>
      25             : #endif
      26             : 
      27             : #include <stdlib.h>
      28             : #include <stdio.h>
      29             : #include <string.h>
      30             : 
      31             : #include <gpgme.h>
      32             : 
      33             : #include "t-support.h"
      34             : 
      35             : 
      36             : struct cb_parms
      37             : {
      38             :   size_t bytes_to_send;
      39             :   size_t bytes_received;
      40             : };
      41             : 
      42             : 
      43             : 
      44             : /* The read callback used by GPGME to read data. */
      45             : static ssize_t
      46          26 : read_cb (void *handle, void *buffer, size_t size)
      47             : {
      48          26 :   struct cb_parms *parms = handle;
      49          26 :   char *p = buffer;
      50             : 
      51      100026 :   for (; size && parms->bytes_to_send; size--, parms->bytes_to_send--)
      52      100000 :     *p++ = rand ();
      53             :       
      54          26 :   return (p - (char*)buffer);
      55             : }
      56             : 
      57             : /* The write callback used by GPGME to write data. */
      58             : static ssize_t
      59          26 : write_cb (void *handle, const void *buffer, size_t size)
      60             : {
      61          26 :   struct cb_parms *parms = handle;
      62             : 
      63          26 :   parms->bytes_received += size;
      64             : 
      65          26 :   return size;
      66             : }
      67             : 
      68             : 
      69             : static void
      70           2 : progress_cb (void *opaque, const char *what, int type, int current, int total)
      71             : {
      72             :   /* This is just a dummy. */
      73           2 : }
      74             : 
      75             : 
      76             : 
      77             : 
      78             : 
      79             : int 
      80           1 : main (int argc, char *argv[])
      81             : {
      82             :   gpgme_ctx_t ctx;
      83             :   gpgme_error_t err;
      84             :   struct gpgme_data_cbs cbs;
      85             :   gpgme_data_t in, out;
      86           1 :   gpgme_key_t key[3] = { NULL, NULL, NULL };
      87             :   gpgme_encrypt_result_t result;
      88             :   size_t nbytes;
      89             :   struct cb_parms parms;
      90             : 
      91           1 :   if (argc > 1)
      92           0 :     nbytes = atoi (argv[1]);
      93             :   else
      94           1 :     nbytes = 100000;
      95             : 
      96           1 :   init_gpgme (GPGME_PROTOCOL_OpenPGP);
      97             :     
      98           1 :   memset (&cbs, 0, sizeof cbs);
      99           1 :   cbs.read = read_cb;
     100           1 :   cbs.write = write_cb;
     101           1 :   memset (&parms, 0, sizeof parms);
     102           1 :   parms.bytes_to_send = nbytes;
     103             : 
     104           1 :   err = gpgme_new (&ctx);
     105           1 :   fail_if_err (err);
     106           1 :   gpgme_set_armor (ctx, 0);
     107             : 
     108             :   /* Install a progress handler to enforce a bit of more work to the
     109             :      gpgme i/o system. */
     110           1 :   gpgme_set_progress_cb (ctx, progress_cb, NULL);
     111             : 
     112           1 :   err = gpgme_data_new_from_cbs (&in, &cbs, &parms);
     113           1 :   fail_if_err (err);
     114             : 
     115           1 :   err = gpgme_data_new_from_cbs (&out, &cbs, &parms);
     116           1 :   fail_if_err (err);
     117             : 
     118           1 :   err = gpgme_get_key (ctx, "A0FF4590BB6122EDEF6E3C542D727CC768697734",
     119             :                        &key[0], 0);
     120           1 :   fail_if_err (err);
     121           1 :   err = gpgme_get_key (ctx, "D695676BDCEDCC2CDD6152BCFE180B1DA9E3B0B2",
     122             :                        &key[1], 0);
     123           1 :   fail_if_err (err);
     124             : 
     125           1 :   err = gpgme_op_encrypt (ctx, key, GPGME_ENCRYPT_ALWAYS_TRUST, in, out);
     126           1 :   fail_if_err (err);
     127           1 :   result = gpgme_op_encrypt_result (ctx);
     128           1 :   if (result->invalid_recipients)
     129             :     {
     130           0 :       fprintf (stderr, "Invalid recipient encountered: %s\n",
     131           0 :                result->invalid_recipients->fpr);
     132           0 :       exit (1);
     133             :     }
     134           1 :   printf ("plaintext=%u bytes, ciphertext=%u bytes\n", 
     135           1 :           (unsigned int)nbytes, (unsigned int)parms.bytes_received);
     136             : 
     137           1 :   gpgme_key_unref (key[0]);
     138           1 :   gpgme_key_unref (key[1]);
     139           1 :   gpgme_data_release (in);
     140           1 :   gpgme_data_release (out);
     141           1 :   gpgme_release (ctx);
     142           1 :   return 0;
     143             : }