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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 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/>.
+ */
+
+#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/sysutils.h"
+#include "app-common.h"
+
+
+/* To convey some special hash algorithms we use algorithm numbers
+ reserved for application use. */
+#ifndef GCRY_MODULE_ID_USER
+#define GCRY_MODULE_ID_USER 1024
+#endif
+#define MD_USER_TLS_MD5SHA1 (GCRY_MODULE_ID_USER+1)
+
+/* 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. */
+ int dry_run; /* Don't change any persistent data. */
+ int batch; /* Batch mode. */
+ 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_pinpad; /* Do not use a pinpad. */
+ int enable_pinpad_varlen; /* Use variable length input for pinpad. */
+ int allow_admin; /* Allow the use of admin commands for certain
+ cards. */
+ int pcsc_shared; /* Use shared PC/SC access. */
+ strlist_t disabled_applications; /* Card applications we do not
+ want to use. */
+ unsigned long card_timeout; /* Disconnect after N seconds of inactivity. */
+} opt;
+
+
+#define DBG_MPI_VALUE 2 /* debug mpi details */
+#define DBG_CRYPTO_VALUE 4 /* debug low level crypto */
+#define DBG_CARD_VALUE 16 /* debug card info */
+#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_IPC_VALUE 1024
+#define DBG_CARD_IO_VALUE 2048 /* debug card I/O (e.g. APDUs). */
+#define DBG_READER_VALUE 4096 /* Trace reader related functions. */
+
+#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_IPC (opt.debug & DBG_IPC_VALUE)
+#define DBG_CARD (opt.debug & DBG_CARD_VALUE)
+#define DBG_CARD_IO (opt.debug & DBG_CARD_IO_VALUE)
+#define DBG_READER (opt.debug & DBG_READER_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 {
+ 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 app_ctx_s *app_ctx;
+
+ /* Helper to store the value we are going to sign */
+ struct
+ {
+ unsigned char *value;
+ int valuelen;
+ } in_data;
+};
+
+
+/*-- scdaemon.c --*/
+void scd_exit (int rc);
+const char *scd_get_socket_name (void);
+
+/*-- command.c --*/
+gpg_error_t initialize_module_command (void);
+int scd_command_handler (ctrl_t, int);
+void send_keyinfo (ctrl_t ctrl, int data, const char *keygrip_str,
+ const char *serialno, const char *idstr);
+void send_status_info (ctrl_t ctrl, const char *keyword, ...)
+ GPGRT_ATTR_SENTINEL(1);
+gpg_error_t send_status_direct (ctrl_t ctrl, const char *keyword,
+ const char *args);
+gpg_error_t send_status_printf (ctrl_t ctrl, const char *keyword,
+ const char *format, ...) GPGRT_ATTR_PRINTF(3,4);
+
+void popup_prompt (void *opaque, int on);
+void send_client_notifications (app_t app, int removal);
+void scd_kick_the_loop (void);
+int get_active_connection_count (void);
+
+/*-- app.c --*/
+int scd_update_reader_status_file (void);
+
+#endif /*SCDAEMON_H*/