/* getauditlog.c - Retrieve the audit log.

 * Copyright (C) 2007 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 Lesser General Public License as

 * published by the Free Software Foundation; either version 2.1 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this program; if not, see <https://gnu.org/licenses/>.

 * SPDX-License-Identifier: LGPL-2.1-or-later

 */

#if HAVE_CONFIG_H

#include <config.h>

#endif

#include "gpgme.h"

#include "debug.h"

#include "context.h"

#include "ops.h"

static gpgme_error_t

getauditlog_status_handler (void *priv, gpgme_status_code_t code, char *args)

{

  (void)priv;

  (void)code;

  (void)args;

  return 0;

}

static gpgme_error_t

getauditlog_start (gpgme_ctx_t ctx, int synchronous,

                   gpgme_data_t output, unsigned int flags)

{

  gpgme_error_t err;

  if (!output)

    return gpg_error (GPG_ERR_INV_VALUE);

  if (!(flags & GPGME_AUDITLOG_DIAG))

    {

      err = _gpgme_op_reset (ctx, ((synchronous&255) | 256) );

      if (err)

        return err;

    }

  _gpgme_engine_set_status_handler (ctx->engine,

                                    getauditlog_status_handler, ctx);

  return _gpgme_engine_op_getauditlog (ctx->engine, output, flags);

}

/* Return the auditlog for the current session.  This may be called

   after a successful or failed operation.  If no audit log is

   available GPG_ERR_NO_DATA is returned.  This is the asynchronous

   variant. */

gpgme_error_t

gpgme_op_getauditlog_start (gpgme_ctx_t ctx,

                            gpgme_data_t output, unsigned int flags)

{

  gpg_error_t err;

  TRACE_BEG  (DEBUG_CTX, "gpgme_op_getauditlog_start", ctx,

	      "output=%p, flags=0x%x", output, flags);

  if (!ctx)

    return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE));

  err = getauditlog_start (ctx, 0, output, flags);

  return TRACE_ERR (err);

}

/* Return the auditlog for the current session.  This may be called

   after a successful or failed operation.  If no audit log is

   available GPG_ERR_NO_DATA is returned.  This is the synchronous

   variant. */

gpgme_error_t

gpgme_op_getauditlog (gpgme_ctx_t ctx, gpgme_data_t output, unsigned int flags)

{

  gpgme_error_t err;

  TRACE_BEG  (DEBUG_CTX, "gpgme_op_getauditlog", ctx,

	      "output=%p, flags=0x%x", output, flags);

  if (!ctx)

    return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE));

  err = getauditlog_start (ctx, 1, output, flags);

  if (!err)

    err = _gpgme_wait_one (ctx);

  return TRACE_ERR (err);

}