133 lines
3.6 KiB
C
133 lines
3.6 KiB
C
/* encrypt-sign.c - encrypt and verify functions
|
|
* Copyright (C) 2000 Werner Koch (dd9jn)
|
|
* Copyright (C) 2001, 2002 g10 Code GmbH
|
|
*
|
|
* This file is part of GPGME.
|
|
*
|
|
* GPGME is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* GPGME is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include <config.h>
|
|
#endif
|
|
#include <stddef.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <assert.h>
|
|
|
|
#include "util.h"
|
|
#include "context.h"
|
|
#include "ops.h"
|
|
|
|
|
|
static void
|
|
encrypt_sign_status_handler (GpgmeCtx ctx, GpgmeStatusCode code, char *args)
|
|
{
|
|
_gpgme_encrypt_status_handler (ctx, code, args);
|
|
_gpgme_sign_status_handler (ctx, code, args);
|
|
}
|
|
|
|
|
|
static GpgmeError
|
|
_gpgme_op_encrypt_sign_start (GpgmeCtx ctx, int synchronous,
|
|
GpgmeRecipients recp,
|
|
GpgmeData plain, GpgmeData cipher)
|
|
{
|
|
GpgmeError err = 0;
|
|
|
|
err = _gpgme_op_reset (ctx, synchronous);
|
|
if (err)
|
|
goto leave;
|
|
|
|
err = _gpgme_passphrase_start (ctx);
|
|
if (err)
|
|
goto leave;
|
|
|
|
_gpgme_engine_set_status_handler (ctx->engine,
|
|
encrypt_sign_status_handler, ctx);
|
|
_gpgme_engine_set_verbosity (ctx->engine, ctx->verbosity);
|
|
|
|
/* Check the supplied data */
|
|
if (gpgme_data_get_type (plain) == GPGME_DATA_TYPE_NONE)
|
|
{
|
|
err = mk_error (No_Data);
|
|
goto leave;
|
|
}
|
|
_gpgme_data_set_mode (plain, GPGME_DATA_MODE_OUT);
|
|
if (!cipher || gpgme_data_get_type (cipher) != GPGME_DATA_TYPE_NONE)
|
|
{
|
|
err = mk_error (Invalid_Value);
|
|
goto leave;
|
|
}
|
|
_gpgme_data_set_mode (cipher, GPGME_DATA_MODE_IN);
|
|
|
|
err = _gpgme_engine_op_encrypt_sign (ctx->engine, recp, plain, cipher,
|
|
ctx->use_armor, ctx /* FIXME */);
|
|
|
|
if (!err) /* And kick off the process. */
|
|
err = _gpgme_engine_start (ctx->engine, ctx);
|
|
|
|
leave:
|
|
if (err)
|
|
{
|
|
ctx->pending = 0;
|
|
_gpgme_engine_release (ctx->engine);
|
|
ctx->engine = NULL;
|
|
}
|
|
return err;
|
|
}
|
|
|
|
GpgmeError
|
|
gpgme_op_encrypt_sign_start (GpgmeCtx ctx, GpgmeRecipients recp,
|
|
GpgmeData plain, GpgmeData cipher)
|
|
{
|
|
return _gpgme_op_encrypt_sign_start (ctx, 0, recp, plain, cipher);
|
|
}
|
|
|
|
|
|
/**
|
|
* gpgme_op_encrypt_sign:
|
|
* @ctx: The context
|
|
* @recp: The set of recipients
|
|
* @plain: plaintext input
|
|
* @cipher: signed ciphertext
|
|
*
|
|
* This function encrypts @plain for all recipients in recp, signs it,
|
|
* and returns the ciphertext in @out. The function does wait for the
|
|
* result.
|
|
*
|
|
* Return value: 0 on success or an errorcode.
|
|
**/
|
|
GpgmeError
|
|
gpgme_op_encrypt_sign (GpgmeCtx ctx, GpgmeRecipients recp,
|
|
GpgmeData plain, GpgmeData cipher)
|
|
{
|
|
GpgmeError err = _gpgme_op_encrypt_sign_start (ctx, 1, recp, plain, cipher);
|
|
|
|
if (!err)
|
|
{
|
|
err = _gpgme_wait_one (ctx);
|
|
/* Old gpg versions don't return status info for invalid
|
|
recipients, so we simply check whether we got any output at
|
|
all, and if not we assume that we don't have valid
|
|
recipients. */
|
|
if (!ctx->error && gpgme_data_get_type (cipher) == GPGME_DATA_TYPE_NONE)
|
|
ctx->error = mk_error (No_Recipients);
|
|
err = ctx->error;
|
|
}
|
|
return err;
|
|
}
|