LCOV - code coverage report
Current view: top level - src - encrypt-sign.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 46 70 65.7 %
Date: 2018-11-14 16:53:58 Functions: 5 7 71.4 %

          Line data    Source code
       1             : /* encrypt-sign.c -  encrypt and verify functions
       2             :    Copyright (C) 2000 Werner Koch (dd9jn)
       3             :    Copyright (C) 2001, 2002, 2003, 2004 g10 Code GmbH
       4             : 
       5             :    This file is part of GPGME.
       6             : 
       7             :    GPGME is free software; you can redistribute it and/or modify it
       8             :    under the terms of the GNU Lesser General Public License as
       9             :    published by the Free Software Foundation; either version 2.1 of
      10             :    the License, or (at your option) any later version.
      11             : 
      12             :    GPGME is distributed in the hope that it will be useful, but
      13             :    WITHOUT ANY WARRANTY; without even the implied warranty of
      14             :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      15             :    Lesser General Public License for more details.
      16             : 
      17             :    You should have received a copy of the GNU Lesser General Public
      18             :    License along with this program; if not, write to the Free Software
      19             :    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
      20             :    02111-1307, USA.  */
      21             : 
      22             : #if HAVE_CONFIG_H
      23             : #include <config.h>
      24             : #endif
      25             : #include <stdlib.h>
      26             : #include <string.h>
      27             : #include <errno.h>
      28             : 
      29             : #include "gpgme.h"
      30             : #include "debug.h"
      31             : #include "context.h"
      32             : #include "ops.h"
      33             : 
      34             : 
      35             : static gpgme_error_t
      36         138 : encrypt_sign_status_handler (void *priv, gpgme_status_code_t code, char *args)
      37             : {
      38             :   gpgme_error_t err;
      39             : 
      40         138 :   err = _gpgme_progress_status_handler (priv, code, args);
      41         138 :   if (!err)
      42         138 :     err = _gpgme_encrypt_status_handler (priv, code, args);
      43         138 :   if (!err)
      44         136 :     err = _gpgme_sign_status_handler (priv, code, args);
      45         138 :   return err;
      46             : }
      47             : 
      48             : 
      49             : static gpgme_error_t
      50          39 : encrypt_sym_status_handler (void *priv, gpgme_status_code_t code, char *args)
      51             : {
      52             :   gpgme_error_t err;
      53             : 
      54          39 :   err = _gpgme_progress_status_handler (priv, code, args);
      55          39 :   if (!err)
      56          39 :     err = _gpgme_sign_status_handler (priv, code, args);
      57          39 :   if (!err)
      58          39 :     err = _gpgme_passphrase_status_handler (priv, code, args);
      59          39 :   return err;
      60             : }
      61             : 
      62             : 
      63             : static gpgme_error_t
      64          17 : encrypt_sign_start (gpgme_ctx_t ctx, int synchronous, gpgme_key_t recp[],
      65             :                     const char *recpstring,
      66             :                     gpgme_encrypt_flags_t flags,
      67             :                     gpgme_data_t plain, gpgme_data_t cipher)
      68             : {
      69             :   gpgme_error_t err;
      70             :   int symmetric;
      71             : 
      72          17 :   err = _gpgme_op_reset (ctx, synchronous);
      73          17 :   if (err)
      74           0 :     return err;
      75             : 
      76          17 :   symmetric = (!recp && !recpstring) || (flags & GPGME_ENCRYPT_SYMMETRIC);
      77             : 
      78          17 :   if (!plain)
      79           0 :     return gpg_error (GPG_ERR_NO_DATA);
      80          17 :   if (!cipher)
      81           0 :     return gpg_error (GPG_ERR_INV_VALUE);
      82          17 :   if (recp && !*recp)
      83           0 :     return gpg_error (GPG_ERR_INV_VALUE);
      84             : 
      85          17 :   err = _gpgme_op_encrypt_init_result (ctx);
      86          17 :   if (err)
      87           0 :     return err;
      88             : 
      89          17 :   err = _gpgme_op_sign_init_result (ctx);
      90          17 :   if (err)
      91           0 :     return err;
      92             : 
      93          17 :   if (ctx->passphrase_cb)
      94             :     {
      95           7 :       err = _gpgme_engine_set_command_handler
      96             :         (ctx->engine, _gpgme_passphrase_command_handler, ctx);
      97           7 :       if (err)
      98           0 :         return err;
      99             :     }
     100             : 
     101          17 :   _gpgme_engine_set_status_handler (ctx->engine,
     102             :                                     symmetric
     103             :                                     ? encrypt_sym_status_handler
     104             :                                     : encrypt_sign_status_handler,
     105             :                                     ctx);
     106             : 
     107          17 :   return _gpgme_engine_op_encrypt_sign (ctx->engine, recp, recpstring,
     108             :                                         flags, plain,
     109          17 :                                         cipher, ctx->use_armor,
     110             :                                         ctx /* FIXME */);
     111             : }
     112             : 
     113             : 
     114             : /* Old version of gpgme_op_encrypt_sign_ext_start w/o RECPSTRING.  */
     115             : gpgme_error_t
     116           0 : gpgme_op_encrypt_sign_start (gpgme_ctx_t ctx, gpgme_key_t recp[],
     117             :                              gpgme_encrypt_flags_t flags,
     118             :                              gpgme_data_t plain, gpgme_data_t cipher)
     119             : {
     120           0 :   return gpgme_op_encrypt_sign_ext_start (ctx, recp, NULL,
     121             :                                           flags, plain, cipher);
     122             : }
     123             : 
     124             : 
     125             : /* Old version of gpgme_op_encrypt_sign_ext w/o RECPSTRING.  */
     126             : gpgme_error_t
     127          17 : gpgme_op_encrypt_sign (gpgme_ctx_t ctx, gpgme_key_t recp[],
     128             :                        gpgme_encrypt_flags_t flags,
     129             :                        gpgme_data_t plain, gpgme_data_t cipher)
     130             : {
     131          17 :   return gpgme_op_encrypt_sign_ext (ctx, recp, NULL, flags, plain, cipher);
     132             : }
     133             : 
     134             : 
     135             : /* Encrypt plaintext PLAIN within CTX for the recipients RECP and
     136             :  * store the resulting ciphertext in CIPHER.  Also sign the ciphertext
     137             :  * with the signers in CTX.  */
     138             : gpgme_error_t
     139          17 : gpgme_op_encrypt_sign_ext (gpgme_ctx_t ctx, gpgme_key_t recp[],
     140             :                            const char *recpstring,
     141             :                            gpgme_encrypt_flags_t flags,
     142             :                            gpgme_data_t plain, gpgme_data_t cipher)
     143             : {
     144             :   gpgme_error_t err;
     145             : 
     146          17 :   TRACE_BEG3 (DEBUG_CTX, "gpgme_op_encrypt_sign", ctx,
     147             :               "flags=0x%x, plain=%p, cipher=%p", flags, plain, cipher);
     148             : 
     149          17 :   if (!ctx)
     150           0 :     return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE));
     151             : 
     152          17 :   if (_gpgme_debug_trace () && (recp || recpstring))
     153             :     {
     154          14 :       if (recp)
     155             :         {
     156          14 :           int i = 0;
     157             : 
     158          51 :           while (recp[i])
     159             :             {
     160          23 :               TRACE_LOG3 ("recipient[%i] = %p (%s)", i, recp[i],
     161             :                           (recp[i]->subkeys && recp[i]->subkeys->fpr) ?
     162             :                           recp[i]->subkeys->fpr : "invalid");
     163          23 :               i++;
     164             :             }
     165             :         }
     166             :       else
     167             :         {
     168           0 :           TRACE_LOG1 ("recipients = '%s'", recpstring);
     169             :         }
     170             :     }
     171             : 
     172          17 :   err = encrypt_sign_start (ctx, 1, recp, recpstring, flags, plain, cipher);
     173          17 :   if (!err)
     174          17 :     err = _gpgme_wait_one (ctx);
     175          17 :   return TRACE_ERR (err);
     176             : }
     177             : 
     178             : 
     179             : /* Encrypt plaintext PLAIN within CTX for the recipients RECP and
     180             :    store the resulting ciphertext in CIPHER.  Also sign the ciphertext
     181             :    with the signers in CTX.  */
     182             : gpgme_error_t
     183           0 : gpgme_op_encrypt_sign_ext_start (gpgme_ctx_t ctx, gpgme_key_t recp[],
     184             :                                  const char *recpstring,
     185             :                                  gpgme_encrypt_flags_t flags,
     186             :                                  gpgme_data_t plain, gpgme_data_t cipher)
     187             : {
     188             :   gpgme_error_t err;
     189             : 
     190           0 :   TRACE_BEG3 (DEBUG_CTX, "gpgme_op_encrypt_sign_start", ctx,
     191             :               "flags=0x%x, plain=%p, cipher=%p", flags, plain, cipher);
     192             : 
     193           0 :   if (!ctx)
     194           0 :     return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE));
     195             : 
     196           0 :   if (_gpgme_debug_trace () && (recp || recpstring))
     197             :     {
     198           0 :       if (recp)
     199             :         {
     200           0 :           int i = 0;
     201             : 
     202           0 :           while (recp[i])
     203             :             {
     204           0 :               TRACE_LOG3 ("recipient[%i] = %p (%s)", i, recp[i],
     205             :                           (recp[i]->subkeys && recp[i]->subkeys->fpr) ?
     206             :                           recp[i]->subkeys->fpr : "invalid");
     207           0 :               i++;
     208             :             }
     209             :         }
     210             :       else
     211             :         {
     212           0 :           TRACE_LOG1 ("recipients = '%s'", recpstring);
     213             :         }
     214             :     }
     215             : 
     216           0 :   err = encrypt_sign_start (ctx, 0, recp, recpstring, flags, plain, cipher);
     217           0 :   return err;
     218             : }

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