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/* edit.c - Key edit functions.
Copyright (C) 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 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 <assert.h>
#include "util.h"
#include "context.h"
#include "ops.h"
struct edit_result_s
{
GpgmeEditCb fnc;
void *fnc_value;
};
void
_gpgme_release_edit_result (EditResult result)
{
if (!result)
return;
free (result);
}
static GpgmeError
edit_status_handler (GpgmeCtx ctx, GpgmeStatusCode status, char *args)
{
GpgmeError err = _gpgme_passphrase_status_handler (ctx, status, args);
if (err)
return err;
return (*ctx->result.edit->fnc) (ctx->result.edit->fnc_value, status,
args, NULL);
}
static GpgmeError
command_handler (void *opaque, GpgmeStatusCode status, const char *args,
const char **result)
{
GpgmeError err;
GpgmeCtx ctx = opaque;
err = _gpgme_passphrase_command_handler (ctx, status, args, result);
if (err)
return err;
if (!result)
err = (*ctx->result.edit->fnc) (ctx->result.edit->fnc_value, status,
args, result);
return err;
}
static GpgmeError
_gpgme_op_edit_start (GpgmeCtx ctx, int synchronous,
GpgmeKey key,
GpgmeEditCb fnc, void *fnc_value,
GpgmeData out)
{
GpgmeError err = 0;
if (!fnc)
return GPGME_Invalid_Value;
err = _gpgme_op_reset (ctx, synchronous);
if (err)
goto leave;
assert (!ctx->result.edit);
ctx->result.edit = malloc (sizeof *ctx->result.edit);
if (!ctx->result.edit)
{
err = GPGME_Out_Of_Core;
goto leave;
}
ctx->result.edit->fnc = fnc;
ctx->result.edit->fnc_value = fnc_value;
/* Check the supplied data. */
if (!out)
{
err = GPGME_Invalid_Value;
goto leave;
}
err = _gpgme_engine_set_command_handler (ctx->engine, command_handler,
ctx, out);
if (err)
goto leave;
_gpgme_engine_set_status_handler (ctx->engine, edit_status_handler, ctx);
_gpgme_engine_set_verbosity (ctx->engine, ctx->verbosity);
err = _gpgme_engine_op_edit (ctx->engine, key, out, ctx);
leave:
if (err)
{
ctx->pending = 0;
_gpgme_engine_release (ctx->engine);
ctx->engine = NULL;
}
return err;
}
GpgmeError
gpgme_op_edit_start (GpgmeCtx ctx,
GpgmeKey key,
GpgmeEditCb fnc, void *fnc_value,
GpgmeData out)
{
return _gpgme_op_edit_start (ctx, 0, key, fnc, fnc_value, out);
}
/**
* gpgme_op_edit:
* @ctx: The context
* @key: The key to be edited.
* @fnc: An edit callback handler.
* @fnc_value: To be passed to @fnc as first arg.
* @out: The output.
*
* Return value: 0 on success or an error code.
**/
GpgmeError
gpgme_op_edit (GpgmeCtx ctx,
GpgmeKey key,
GpgmeEditCb fnc, void *fnc_value,
GpgmeData out)
{
GpgmeError err = _gpgme_op_edit_start (ctx, 1, key, fnc, fnc_value, out);
if (!err)
err = _gpgme_wait_one (ctx);
return err;
}
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