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/* edit.c - Key edit function.
Copyright (C) 2002, 2003 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 GPGME; if not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#if HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include "gpgme.h"
#include "context.h"
#include "ops.h"
typedef struct
{
/* The user callback function and its hook value. */
GpgmeEditCb fnc;
void *fnc_value;
} *op_data_t;
static GpgmeError
edit_status_handler (void *priv, GpgmeStatusCode status, char *args)
{
GpgmeCtx ctx = (GpgmeCtx) priv;
op_data_t opd;
return _gpgme_passphrase_status_handler (priv, status, args)
|| _gpgme_progress_status_handler (priv, status, args)
|| _gpgme_op_data_lookup (ctx, OPDATA_EDIT, (void **) &opd, -1, NULL)
|| (*opd->fnc) (opd->fnc_value, status, args, NULL);
}
static GpgmeError
command_handler (void *priv, GpgmeStatusCode status, const char *args,
const char **result)
{
GpgmeCtx ctx = (GpgmeCtx) priv;
GpgmeError err;
op_data_t opd;
*result = NULL;
if (ctx->passphrase_cb)
{
err = _gpgme_passphrase_command_handler (ctx, status, args, result);
if (err)
return err;
}
if (!*result)
{
err = _gpgme_op_data_lookup (ctx, OPDATA_EDIT, (void **) &opd, -1, NULL);
if (err)
return err;
return (*opd->fnc) (opd->fnc_value, status, args, result);
}
return 0;
}
static GpgmeError
edit_start (GpgmeCtx ctx, int synchronous, GpgmeKey key,
GpgmeEditCb fnc, void *fnc_value, GpgmeData out)
{
GpgmeError err;
op_data_t opd;
err = _gpgme_op_reset (ctx, synchronous);
if (err)
return err;
if (!fnc || !out)
return GPGME_Invalid_Value;
err = _gpgme_op_data_lookup (ctx, OPDATA_EDIT, (void **) &opd,
sizeof (*opd), NULL);
if (err)
return err;
opd->fnc = fnc;
opd->fnc_value = fnc_value;
err = _gpgme_engine_set_command_handler (ctx->engine, command_handler,
ctx, out);
if (err)
return err;
_gpgme_engine_set_status_handler (ctx->engine, edit_status_handler, ctx);
return _gpgme_engine_op_edit (ctx->engine, key, out, ctx);
}
GpgmeError
gpgme_op_edit_start (GpgmeCtx ctx, GpgmeKey key,
GpgmeEditCb fnc, void *fnc_value, GpgmeData out)
{
return edit_start (ctx, 0, key, fnc, fnc_value, out);
}
/* Edit the key KEY. Send status and command requests to FNC and
output of edit commands to OUT. */
GpgmeError
gpgme_op_edit (GpgmeCtx ctx, GpgmeKey key,
GpgmeEditCb fnc, void *fnc_value, GpgmeData out)
{
GpgmeError err = edit_start (ctx, 1, key, fnc, fnc_value, out);
if (!err)
err = _gpgme_wait_one (ctx);
return err;
}
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