143 lines
3.6 KiB
C
143 lines
3.6 KiB
C
/* encrypt.c - encrypt functions
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* Copyright (C) 2000 Werner Koch (dd9jn)
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*
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* This file is part of GPGME.
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*
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* GPGME is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* GPGME is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#include <config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#include "util.h"
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#include "context.h"
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#include "ops.h"
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static void
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encrypt_status_handler ( GpgmeCtx ctx, GpgStatusCode code, char *args )
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{
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fprintf (stderr, "encrypt_status: code=%d args=`%s'\n",
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code, args );
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}
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GpgmeError
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gpgme_req_encrypt ( GpgmeCtx c, GpgmeRecipientSet recp,
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GpgmeData plain, GpgmeData ciph )
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{
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int rc = 0;
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int i;
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fail_on_pending_request( c );
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c->pending = 1;
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/* do some checks */
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assert ( !c->gpg );
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if ( !gpgme_count_recipients ( recp ) ) {
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/* Fixme: In this case we should do symmentric encryption */
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rc = mk_error (No_Recipients);
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goto leave;
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}
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/* create a process object */
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rc = _gpgme_gpg_new_object ( &c->gpg );
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if (rc)
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goto leave;
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_gpgme_gpg_set_status_handler ( c->gpg, encrypt_status_handler, c );
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/* build the commandline */
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_gpgme_gpg_add_arg ( c->gpg, "--encrypt" );
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if ( c->use_armor )
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_gpgme_gpg_add_arg ( c->gpg, "--armor" );
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for ( i=0; i < c->verbosity; i++ )
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_gpgme_gpg_add_arg ( c->gpg, "--verbose" );
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_gpgme_append_gpg_args_from_recipients ( recp, c->gpg );
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/* Check the supplied data */
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if ( gpgme_query_data_type (plain) == GPGME_DATA_TYPE_NONE ) {
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rc = mk_error (No_Data);
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goto leave;
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}
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_gpgme_set_data_mode (plain, GPGME_DATA_MODE_OUT );
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if ( !ciph || gpgme_query_data_type (ciph) != GPGME_DATA_TYPE_NONE ) {
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rc = mk_error (Invalid_Value);
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goto leave;
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}
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_gpgme_set_data_mode (ciph, GPGME_DATA_MODE_IN );
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/* Tell the gpg object about the data */
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_gpgme_gpg_add_arg ( c->gpg, "--output" );
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_gpgme_gpg_add_arg ( c->gpg, "-" );
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_gpgme_gpg_add_data ( c->gpg, ciph, 1 );
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_gpgme_gpg_add_data ( c->gpg, plain, 0 );
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/* and kick off the process */
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rc = _gpgme_gpg_spawn ( c->gpg, c );
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leave:
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if (rc) {
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c->pending = 0;
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_gpgme_gpg_release_object ( c->gpg ); c->gpg = NULL;
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}
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return rc;
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}
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GpgmeError
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gpgme_wait_encrypt ( GpgmeCtx c, GpgmeData *r_out )
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{
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wait_on_request_or_fail (c);
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fprintf (stderr,"gpgme_wait_encrypt: main\n");
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return 0;
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}
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/**
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* gpgme_encrypt:
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* @c: The context
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* @recp: A set of recipients
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* @in: plaintext input
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* @out: ciphertext output
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*
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* This function encrypts @in to @out for all recipients from
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* @recp. Other parameters are take from the context @c.
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* The function does wait for the result.
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*
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* Return value: 0 on success or an errorcode.
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**/
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GpgmeError
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gpgme_encrypt ( GpgmeCtx c, GpgmeRecipientSet recp,
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GpgmeData in, GpgmeData out )
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{
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int rc = gpgme_req_encrypt ( c, recp, in, out );
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if ( !rc )
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rc = gpgme_wait_encrypt ( c, NULL );
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return rc;
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}
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