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/* tpm2daemon.h - Global definitions for the TPM2D
* Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
* Copyright (C) 2021 James Bottomley <James.Bottomley@HansenPartnership.com>
*
* This file is part of GnuPG.
*
* GnuPG 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 3 of the License, or
* (at your option) any later version.
*
* GnuPG 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, see <https://www.gnu.org/licenses/>.
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#ifndef TPM2DAEMON_H
#define TPM2DAEMON_H
#ifdef GPG_ERR_SOURCE_DEFAULT
#error GPG_ERR_SOURCE_DEFAULT already defined
#endif
/* FIXME: Replace this hard coded value as soon as we require a newer
* libgpg-error. */
#define GPG_ERR_SOURCE_DEFAULT 16 /* GPG_ERR_SOURCE_TPM2 */
#include <gpg-error.h>
#include <time.h>
#include <gcrypt.h>
#include "../common/util.h"
#include "../common/sysutils.h"
/* Maximum length of a digest. */
#define MAX_DIGEST_LEN 64
/* A large struct name "opt" to keep global flags. */
EXTERN_UNLESS_MAIN_MODULE
struct
{
unsigned int debug; /* Debug flags (DBG_foo_VALUE). */
int verbose; /* Verbosity level. */
int quiet; /* Be as quiet as possible. */
unsigned long parent; /* TPM parent */
} opt;
#define DBG_MPI_VALUE 2 /* debug mpi details */
#define DBG_CRYPTO_VALUE 4 /* debug low level crypto */
#define DBG_IPC_VALUE 1024
#define DBG_CRYPTO (opt.debug & DBG_CRYPTO_VALUE)
#define DBG_MEMORY (opt.debug & DBG_MEMORY_VALUE)
struct server_local_s;
struct server_control_s
{
/* Private data used to fire up the connection thread. We use this
structure do avoid an extra allocation for just a few bytes. */
struct {
gnupg_fd_t fd;
} thread_startup;
/* Local data of the server; used only in command.c. */
struct server_local_s *server_local;
/* The application context used with this connection or NULL if none
associated. Note that this is shared with the other connections:
All connections accessing the same reader are using the same
application context. */
struct assuan_context_s *ctx;
/* Helper to store the value we are going to sign */
struct
{
unsigned char *value;
int valuelen;
} in_data;
};
typedef struct app_ctx_s *app_t;
/*-- tpm2daemon.c --*/
void tpm2d_exit (int rc);
/*-- command.c --*/
gpg_error_t initialize_module_command (void);
int tpm2d_command_handler (ctrl_t, gnupg_fd_t);
void send_client_notifications (app_t app, int removal);
void tpm2d_kick_the_loop (void);
int get_active_connection_count (void);
#endif /*TPM2DAEMON_H*/
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