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/* scdaemon.h - Global definitions for the SCdaemon
* Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*/
#ifndef SCDAEMON_H
#define SCDAEMON_H
#ifdef GPG_ERR_SOURCE_DEFAULT
#error GPG_ERR_SOURCE_DEFAULT already defined
#endif
#define GPG_ERR_SOURCE_DEFAULT GPG_ERR_SOURCE_SCD
#include <gpg-error.h>
#include <time.h>
#include <gcrypt.h>
#include "../common/util.h"
#include "../common/errors.h"
/* To convey some special hash algorithms we use algorithm numbers
reserved for application use. */
#ifndef GCRY_MD_USER
#define GCRY_MD_USER 1024
#endif
#define GCRY_MD_USER_TLS_MD5SHA1 (GCRY_MD_USER+1)
/* Maximum length of a digest. */
#define MAX_DIGEST_LEN 36
/* A large struct name "opt" to keep global flags. */
struct
{
unsigned int debug; /* Debug flags (DBG_foo_VALUE). */
int verbose; /* Verbosity level. */
int quiet; /* Be as quiet as possible. */
int dry_run; /* Don't change any persistent data. */
int batch; /* Batch mode. */
const char *homedir; /* Configuration directory name. */
const char *ctapi_driver; /* Library to access the ctAPI. */
const char *pcsc_driver; /* Library to access the PC/SC system. */
const char *reader_port; /* NULL or reder port to use. */
int disable_ccid; /* Disable the use of the internal CCID driver. */
int disable_keypad; /* Do not use a keypad. */
int allow_admin; /* Allow the use of admin commands for certain
cards. */
strlist_t disabled_applications; /* Card applications we do not
want to use. */
} opt;
#define DBG_COMMAND_VALUE 1 /* debug commands i/o */
#define DBG_MPI_VALUE 2 /* debug mpi details */
#define DBG_CRYPTO_VALUE 4 /* debug low level crypto */
#define DBG_MEMORY_VALUE 32 /* debug memory allocation stuff */
#define DBG_CACHE_VALUE 64 /* debug the caching */
#define DBG_MEMSTAT_VALUE 128 /* show memory statistics */
#define DBG_HASHING_VALUE 512 /* debug hashing operations */
#define DBG_ASSUAN_VALUE 1024
#define DBG_CARD_IO_VALUE 2048
#define DBG_COMMAND (opt.debug & DBG_COMMAND_VALUE)
#define DBG_CRYPTO (opt.debug & DBG_CRYPTO_VALUE)
#define DBG_MEMORY (opt.debug & DBG_MEMORY_VALUE)
#define DBG_CACHE (opt.debug & DBG_CACHE_VALUE)
#define DBG_HASHING (opt.debug & DBG_HASHING_VALUE)
#define DBG_ASSUAN (opt.debug & DBG_ASSUAN_VALUE)
#define DBG_CARD_IO (opt.debug & DBG_CARD_IO_VALUE)
struct server_local_s;
struct app_ctx_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 {
int fd;
} thread_startup;
/* Local data of the server; used only in command.c. */
struct server_local_s *server_local;
/* Slot of the open reader or -1 if not open. */
int reader_slot;
/* 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 app_ctx_s *app_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;
/*-- scdaemon.c --*/
void scd_exit (int rc);
const char *scd_get_socket_name (void);
/*-- command.c --*/
void initialize_module_command (void);
void scd_command_handler (ctrl_t, int);
void send_status_info (ctrl_t ctrl, const char *keyword, ...)
GNUPG_GCC_A_SENTINEL(1);
void scd_update_reader_status_file (void);
#endif /*SCDAEMON_H*/

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