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cda3b913db
(agent_get_passphrase): Ditto. * Makefile.am: Renamed the binary protect-tool to gpg-protect-tool. * protect-tool.c: Removed the note about internal use only. * gpg-agent.c (main): New option --daemon so that the program is not accidently started in the background.
196 lines
6.8 KiB
C
196 lines
6.8 KiB
C
/* agent.h - Global definitions for the agent
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* Copyright (C) 2001 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 2 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#ifndef AGENT_H
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#define AGENT_H
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#include <gcrypt.h>
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#include "../common/util.h"
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#include "../common/errors.h"
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#define MAX_DIGEST_LEN 24
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/* A large struct name "opt" to keep global flags */
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struct {
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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 *homedir; /* configuration directory name */
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const char *pinentry_program;
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char *display;
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char *ttyname;
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char *ttytype;
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char *lc_ctype;
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char *lc_messages;
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const char *scdaemon_program;
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int no_grab; /* don't let the pinentry grab the keyboard */
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unsigned long def_cache_ttl;
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int running_detached; /* we are running detached from the tty. */
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int ignore_cache_for_signing;
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} opt;
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#define DBG_COMMAND_VALUE 1 /* debug commands i/o */
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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_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_ASSUAN_VALUE 1024
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#define DBG_COMMAND (opt.debug & DBG_COMMAND_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_ASSUAN (opt.debug & DBG_ASSUAN_VALUE)
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struct server_local_s;
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struct server_control_s {
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struct server_local_s *server_local;
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struct {
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int algo;
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unsigned char value[MAX_DIGEST_LEN];
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int valuelen;
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} digest;
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char keygrip[20];
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int have_keygrip;
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};
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typedef struct server_control_s *CTRL;
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struct pin_entry_info_s {
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int min_digits; /* min. number of digits required or 0 for freeform entry */
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int max_digits; /* max. number of allowed digits allowed*/
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int max_tries;
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int failed_tries;
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int (*check_cb)(struct pin_entry_info_s *); /* CB used to check the PIN */
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void *check_cb_arg; /* optional argument which might be of use in the CB */
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const char *cb_errtext; /* used by the cb to displaye a specific error */
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size_t max_length; /* allocated length of the buffer */
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char pin[1];
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};
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enum {
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PRIVATE_KEY_UNKNOWN = 0,
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PRIVATE_KEY_CLEAR = 1,
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PRIVATE_KEY_PROTECTED = 2,
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PRIVATE_KEY_SHADOWED = 3
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};
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/*-- gpg-agent.c --*/
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void agent_exit (int rc); /* also implemented in other tools */
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/*-- command.c --*/
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void start_command_handler (int, int);
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/*-- findkey.c --*/
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int agent_write_private_key (const unsigned char *grip,
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const void *buffer, size_t length, int force);
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GCRY_SEXP agent_key_from_file (const unsigned char *grip,
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unsigned char **shadow_info, int ignore_cache);
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int agent_key_available (const unsigned char *grip);
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/*-- query.c --*/
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int agent_askpin (const char *desc_text, struct pin_entry_info_s *pininfo);
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int agent_get_passphrase (char **retpass,
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const char *desc, const char *prompt,
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const char *errtext);
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int agent_get_confirmation (const char *desc, const char *ok,
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const char *cancel);
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/*-- cache.c --*/
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int agent_put_cache (const char *key, const char *data, int ttl);
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const char *agent_get_cache (const char *key, void **cache_id);
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void agent_unlock_cache_entry (void **cache_id);
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/*-- pksign.c --*/
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int agent_pksign (CTRL ctrl, FILE *outfp, int ignore_cache);
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/*-- pkdecrypt.c --*/
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int agent_pkdecrypt (CTRL ctrl, const char *ciphertext, size_t ciphertextlen,
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FILE *outfp);
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/*-- genkey.c --*/
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int agent_genkey (CTRL ctrl,
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const char *keyparam, size_t keyparmlen, FILE *outfp);
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/*-- protect.c --*/
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int agent_protect (const unsigned char *plainkey, const char *passphrase,
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unsigned char **result, size_t *resultlen);
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int agent_unprotect (const unsigned char *protectedkey, const char *passphrase,
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unsigned char **result, size_t *resultlen);
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int agent_private_key_type (const unsigned char *privatekey);
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int agent_shadow_key (const unsigned char *pubkey,
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const unsigned char *shadow_info,
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unsigned char **result);
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int agent_get_shadow_info (const unsigned char *shadowkey,
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unsigned char const **shadow_info);
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/*-- trustlist.c --*/
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int agent_istrusted (const char *fpr);
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int agent_listtrusted (void *assuan_context);
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int agent_marktrusted (const char *name, const char *fpr, int flag);
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/*-- divert-scd.c --*/
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int divert_pksign (const unsigned char *digest, size_t digestlen, int algo,
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const unsigned char *shadow_info, unsigned char **r_sig);
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int divert_pkdecrypt (const unsigned char *cipher,
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const unsigned char *shadow_info,
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char **r_buf, size_t *r_len);
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/*-- call-scd.c --*/
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int agent_card_learn (void (*kpinfo_cb)(void*, const char *),
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void *kpinfo_cb_arg,
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void (*certinfo_cb)(void*, const char *),
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void *certinfo_cb_arg);
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int agent_card_serialno (char **r_serialno);
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int agent_card_pksign (const char *keyid,
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int (*getpin_cb)(void *, const char *, char*, size_t),
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void *getpin_cb_arg,
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const unsigned char *indata, size_t indatalen,
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char **r_buf, size_t *r_buflen);
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int agent_card_pkdecrypt (const char *keyid,
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int (*getpin_cb)(void *, const char *, char*,size_t),
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void *getpin_cb_arg,
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const unsigned char *indata, size_t indatalen,
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char **r_buf, size_t *r_buflen);
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int agent_card_readcert (const char *id, char **r_buf, size_t *r_buflen);
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int agent_card_readkey (const char *id, unsigned char **r_buf);
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/*-- learncard.c --*/
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int agent_handle_learn (void *assuan_context);
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#endif /*AGENT_H*/
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