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-/* agent.h - Global definitions for the agent
- * Copyright (C) 2001 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
- */
-
-#ifndef AGENT_H
-#define AGENT_H
-
-#include <gcrypt.h>
-#include "../common/util.h"
-#include "../common/errors.h"
-
-#define MAX_DIGEST_LEN 24
-
-/* 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 *pinentry_program;
- char *display;
- char *ttyname;
- char *ttytype;
- char *lc_ctype;
- char *lc_messages;
- const char *scdaemon_program;
- int no_grab; /* don't let the pinentry grab the keyboard */
- unsigned long def_cache_ttl;
-
- int running_detached; /* we are running detached from the tty. */
-
- int ignore_cache_for_signing;
- int keep_tty; /* don't switch the TTY (for pinentry) on request */
- int keep_display; /* don't switch the DISPLAY (for pinentry) on request */
-} 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_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)
-
-struct server_local_s;
-
-struct server_control_s {
- struct server_local_s *server_local;
- struct {
- int algo;
- unsigned char value[MAX_DIGEST_LEN];
- int valuelen;
- } digest;
- char keygrip[20];
- int have_keygrip;
-
-};
-typedef struct server_control_s *CTRL;
-
-
-struct pin_entry_info_s {
- int min_digits; /* min. number of digits required or 0 for freeform entry */
- int max_digits; /* max. number of allowed digits allowed*/
- int max_tries;
- int failed_tries;
- int (*check_cb)(struct pin_entry_info_s *); /* CB used to check the PIN */
- void *check_cb_arg; /* optional argument which might be of use in the CB */
- const char *cb_errtext; /* used by the cb to displaye a specific error */
- size_t max_length; /* allocated length of the buffer */
- char pin[1];
-};
-
-
-enum {
- PRIVATE_KEY_UNKNOWN = 0,
- PRIVATE_KEY_CLEAR = 1,
- PRIVATE_KEY_PROTECTED = 2,
- PRIVATE_KEY_SHADOWED = 3
-};
-
-/*-- gpg-agent.c --*/
-void agent_exit (int rc); /* also implemented in other tools */
-
-/*-- command.c --*/
-void start_command_handler (int, int);
-
-/*-- findkey.c --*/
-int agent_write_private_key (const unsigned char *grip,
- const void *buffer, size_t length, int force);
-GCRY_SEXP agent_key_from_file (const unsigned char *grip,
- unsigned char **shadow_info, int ignore_cache);
-int agent_key_available (const unsigned char *grip);
-
-/*-- query.c --*/
-int agent_askpin (const char *desc_text, struct pin_entry_info_s *pininfo);
-int agent_get_passphrase (char **retpass,
- const char *desc, const char *prompt,
- const char *errtext);
-int agent_get_confirmation (const char *desc, const char *ok,
- const char *cancel);
-
-/*-- cache.c --*/
-void agent_flush_cache (void);
-int agent_put_cache (const char *key, const char *data, int ttl);
-const char *agent_get_cache (const char *key, void **cache_id);
-void agent_unlock_cache_entry (void **cache_id);
-
-
-/*-- pksign.c --*/
-int agent_pksign (CTRL ctrl, FILE *outfp, int ignore_cache);
-
-/*-- pkdecrypt.c --*/
-int agent_pkdecrypt (CTRL ctrl, const char *ciphertext, size_t ciphertextlen,
- FILE *outfp);
-
-/*-- genkey.c --*/
-int agent_genkey (CTRL ctrl,
- const char *keyparam, size_t keyparmlen, FILE *outfp);
-
-/*-- protect.c --*/
-int agent_protect (const unsigned char *plainkey, const char *passphrase,
- unsigned char **result, size_t *resultlen);
-int agent_unprotect (const unsigned char *protectedkey, const char *passphrase,
- unsigned char **result, size_t *resultlen);
-int agent_private_key_type (const unsigned char *privatekey);
-int agent_shadow_key (const unsigned char *pubkey,
- const unsigned char *shadow_info,
- unsigned char **result);
-int agent_get_shadow_info (const unsigned char *shadowkey,
- unsigned char const **shadow_info);
-
-
-/*-- trustlist.c --*/
-int agent_istrusted (const char *fpr);
-int agent_listtrusted (void *assuan_context);
-int agent_marktrusted (const char *name, const char *fpr, int flag);
-
-
-/*-- divert-scd.c --*/
-int divert_pksign (const unsigned char *digest, size_t digestlen, int algo,
- const unsigned char *shadow_info, unsigned char **r_sig);
-int divert_pkdecrypt (const unsigned char *cipher,
- const unsigned char *shadow_info,
- char **r_buf, size_t *r_len);
-
-/*-- call-scd.c --*/
-int agent_card_learn (void (*kpinfo_cb)(void*, const char *),
- void *kpinfo_cb_arg,
- void (*certinfo_cb)(void*, const char *),
- void *certinfo_cb_arg);
-int agent_card_serialno (char **r_serialno);
-int agent_card_pksign (const char *keyid,
- int (*getpin_cb)(void *, const char *, char*, size_t),
- void *getpin_cb_arg,
- const unsigned char *indata, size_t indatalen,
- char **r_buf, size_t *r_buflen);
-int agent_card_pkdecrypt (const char *keyid,
- int (*getpin_cb)(void *, const char *, char*,size_t),
- void *getpin_cb_arg,
- const unsigned char *indata, size_t indatalen,
- char **r_buf, size_t *r_buflen);
-int agent_card_readcert (const char *id, char **r_buf, size_t *r_buflen);
-int agent_card_readkey (const char *id, unsigned char **r_buf);
-
-
-/*-- learncard.c --*/
-int agent_handle_learn (void *assuan_context);
-
-
-#endif /*AGENT_H*/
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