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177 lines
6.1 KiB
C
177 lines
6.1 KiB
C
/* scdaemon.h - Global definitions for the SCdaemon
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* Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
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*
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* This file is part of GnuPG.
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*
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* GnuPG is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* GnuPG is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef SCDAEMON_H
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#define SCDAEMON_H
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#ifdef GPG_ERR_SOURCE_DEFAULT
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#error GPG_ERR_SOURCE_DEFAULT already defined
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#endif
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#define GPG_ERR_SOURCE_DEFAULT GPG_ERR_SOURCE_SCD
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#include <gpg-error.h>
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#include <time.h>
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#include <gcrypt.h>
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#include "../common/util.h"
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#include "../common/sysutils.h"
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#include "app-common.h"
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/* To convey some special hash algorithms we use algorithm numbers
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reserved for application use. */
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#ifndef GCRY_MODULE_ID_USER
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#define GCRY_MODULE_ID_USER 1024
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#endif
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#define MD_USER_TLS_MD5SHA1 (GCRY_MODULE_ID_USER+1)
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/* Maximum length of a digest. */
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#define MAX_DIGEST_LEN 64
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/* A large struct name "opt" to keep global flags. */
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EXTERN_UNLESS_MAIN_MODULE
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struct
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{
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unsigned int debug; /* Debug flags (DBG_foo_VALUE). */
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int verbose; /* Verbosity level. */
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int quiet; /* Be as quiet as possible. */
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int dry_run; /* Don't change any persistent data. */
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int batch; /* Batch mode. */
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const char *ctapi_driver; /* Library to access the ctAPI. */
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const char *pcsc_driver; /* Library to access the PC/SC system. */
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const char *reader_port; /* NULL or reder port to use. */
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int disable_ccid; /* Disable the use of the internal CCID driver. */
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int disable_pinpad; /* Do not use a pinpad. */
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int enable_pinpad_varlen; /* Use variable length input for pinpad. */
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int allow_admin; /* Allow the use of admin commands for certain
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cards. */
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int pcsc_shared; /* Use shared PC/SC access. */
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strlist_t disabled_applications; /* Card applications we do not
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want to use. */
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unsigned long card_timeout; /* Disconnect after N seconds of inactivity. */
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int debug_allow_pin_logging; /* Allow PINs in debug output. */
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/* Compatibility flags (COMPAT_FLAG_xxxx). */
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unsigned int compat_flags;
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} opt;
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#define DBG_APP_VALUE 1 /* Debug app specific stuff. */
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#define DBG_MPI_VALUE 2 /* debug mpi details */
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#define DBG_CRYPTO_VALUE 4 /* debug low level crypto */
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#define DBG_CARD_VALUE 16 /* debug card info */
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#define DBG_MEMORY_VALUE 32 /* debug memory allocation stuff */
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#define DBG_CACHE_VALUE 64 /* debug the caching */
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#define DBG_MEMSTAT_VALUE 128 /* show memory statistics */
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#define DBG_HASHING_VALUE 512 /* debug hashing operations */
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#define DBG_IPC_VALUE 1024
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#define DBG_CARD_IO_VALUE 2048 /* debug card I/O (e.g. APDUs). */
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#define DBG_READER_VALUE 4096 /* Trace reader related functions. */
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#define DBG_APP (opt.debug & DBG_APP_VALUE)
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#define DBG_CRYPTO (opt.debug & DBG_CRYPTO_VALUE)
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#define DBG_MEMORY (opt.debug & DBG_MEMORY_VALUE)
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#define DBG_CACHE (opt.debug & DBG_CACHE_VALUE)
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#define DBG_HASHING (opt.debug & DBG_HASHING_VALUE)
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#define DBG_IPC (opt.debug & DBG_IPC_VALUE)
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#define DBG_CARD (opt.debug & DBG_CARD_VALUE)
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#define DBG_CARD_IO (opt.debug & DBG_CARD_IO_VALUE)
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#define DBG_READER (opt.debug & DBG_READER_VALUE)
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#define COMPAT_CCID_NO_AUTO_DETACH 1
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struct server_local_s;
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struct card_ctx_s;
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struct app_ctx_s;
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struct server_control_s
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{
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/* Private data used to fire up the connection thread. We use this
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structure do avoid an extra allocation for just a few bytes. */
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struct {
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gnupg_fd_t fd;
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} thread_startup;
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/* Local data of the server; used only in command.c. */
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struct server_local_s *server_local;
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/* The application context used with this connection or NULL if none
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associated. Note that this is shared with the other connections:
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All connections accessing the same reader are using the same
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application context. */
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struct card_ctx_s *card_ctx;
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/* The currently active application for this context. We need to
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* know this for cards which are able to switch on the fly between
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* apps. */
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apptype_t current_apptype;
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/* Helper to store the value we are going to sign */
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struct
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{
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unsigned char *value;
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int valuelen;
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} in_data;
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};
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/*-- scdaemon.c --*/
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void scd_exit (int rc);
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const char *scd_get_socket_name (void);
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#ifdef HAVE_W32_SYSTEM
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void scd_init_event (HANDLE *e_p, HANDLE events[2]);
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#endif
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/*-- command.c --*/
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gpg_error_t initialize_module_command (void);
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void scd_command_handler (ctrl_t, gnupg_fd_t);
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void send_status_info (ctrl_t ctrl, const char *keyword, ...)
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GPGRT_ATTR_SENTINEL(1);
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gpg_error_t send_status_direct (ctrl_t ctrl,
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const char *keyword, const char *args);
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gpg_error_t send_status_printf (ctrl_t ctrl, const char *keyword,
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const char *format, ...) GPGRT_ATTR_PRINTF(3,4);
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void send_keyinfo (ctrl_t ctrl, int data, const char *keygrip_str,
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const char *serialno, const char *idstr,
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const char *usage);
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void pincache_put (ctrl_t ctrl, int slot, const char *appname,
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const char *pinref, const char *pin, unsigned int pinlen);
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gpg_error_t pincache_get (ctrl_t ctrl, int slot, const char *appname,
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const char *pinref, char **r_pin);
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void popup_prompt (void *opaque, int on);
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/* Take care: this function assumes that CARD is locked. */
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void send_client_notifications (card_t card, int removal);
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void scd_kick_the_loop (void);
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int get_active_connection_count (void);
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/*-- app.c --*/
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int scd_update_reader_status_file (void);
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gpg_error_t app_send_devinfo (ctrl_t ctrl, int keep_looping);
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#endif /*SCDAEMON_H*/
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