File: main.h

package info (click to toggle)
gnupg2 2.0.26-6+deb8u2
  • links: PTS, VCS
  • area: main
  • in suites: jessie
  • size: 41,744 kB
  • sloc: ansic: 148,708; sh: 7,943; makefile: 825; perl: 196; awk: 126; sed: 16
file content (362 lines) | stat: -rw-r--r-- 13,669 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
/* main.h
 * Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
 *               2008, 2009 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 <http://www.gnu.org/licenses/>.
 */
#ifndef G10_MAIN_H
#define G10_MAIN_H

#include "types.h"
#include "iobuf.h"
#include "cipher.h"
#include "keydb.h"
#include "util.h"


/* It could be argued that the default cipher should be 3DES rather
   than CAST5, and the default compression should be 0
   (i.e. uncompressed) rather than 1 (zip).  However, the real world
   issues of speed and size come into play here. */

#define DEFAULT_CIPHER_ALGO     CIPHER_ALGO_CAST5
#define DEFAULT_DIGEST_ALGO     ((GNUPG)? DIGEST_ALGO_SHA256:DIGEST_ALGO_SHA1)
#define DEFAULT_COMPRESS_ALGO   COMPRESS_ALGO_ZIP
#define DEFAULT_S2K_DIGEST_ALGO DIGEST_ALGO_SHA1

#define S2K_DIGEST_ALGO (opt.s2k_digest_algo?opt.s2k_digest_algo:DEFAULT_S2K_DIGEST_ALGO)

typedef struct
{
  int header_okay;
  PK_LIST pk_list;
  DEK *symkey_dek;
  STRING2KEY *symkey_s2k;
  cipher_filter_context_t cfx;
} encrypt_filter_context_t;

struct groupitem
{
  char *name;
  strlist_t values;
  struct groupitem *next;
};

/*-- gpg.c --*/
extern int g10_errors_seen;

#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5 )
  void g10_exit(int rc) __attribute__ ((noreturn));
#else
  void g10_exit(int rc);
#endif

/*-- armor.c --*/
char *make_radix64_string( const byte *data, size_t len );

/*-- misc.c --*/
void trap_unaligned(void);
int disable_core_dumps(void);
void register_secured_file (const char *fname);
void unregister_secured_file (const char *fname);
int  is_secured_file (int fd);
int  is_secured_filename (const char *fname);
u16 checksum_u16( unsigned n );
u16 checksum( byte *p, unsigned n );
u16 checksum_mpi( gcry_mpi_t a );
const byte *get_session_marker( size_t *rlen );
void print_pubkey_algo_note( int algo );
void print_cipher_algo_note( int algo );
void print_digest_algo_note( int algo );
void print_md5_rejected_note (void);
int map_cipher_openpgp_to_gcry (int algo);
#define openpgp_cipher_open(_a,_b,_c,_d) gcry_cipher_open((_a),map_cipher_openpgp_to_gcry((_b)),(_c),(_d))
#define openpgp_cipher_get_algo_keylen(_a) gcry_cipher_get_algo_keylen(map_cipher_openpgp_to_gcry((_a)))
#define openpgp_cipher_get_algo_blklen(_a) gcry_cipher_get_algo_blklen(map_cipher_openpgp_to_gcry((_a)))
int openpgp_cipher_blocklen (int algo);
int openpgp_cipher_test_algo( int algo );
const char *openpgp_cipher_algo_name (int algo);
int map_pk_openpgp_to_gcry (int algo);
int openpgp_pk_test_algo( int algo );
int openpgp_pk_test_algo2 ( int algo, unsigned int use );
int openpgp_pk_algo_usage ( int algo );
const char *openpgp_pk_algo_name (int algo);
int openpgp_md_test_algo( int algo );

#ifdef USE_IDEA
void idea_cipher_warn( int show );
#else
#define idea_cipher_warn(a)  do { } while (0)
#endif

struct expando_args
{
  PKT_public_key *pk;
  PKT_secret_key *sk;
  byte imagetype;
  int validity_info;
  const char *validity_string;
  const byte *namehash;
};

char *pct_expando(const char *string,struct expando_args *args);
void deprecated_warning(const char *configname,unsigned int configlineno,
			const char *option,const char *repl1,const char *repl2);
void deprecated_command (const char *name);
void obsolete_option (const char *configname, unsigned int configlineno,
                      const char *name);
void obsolete_scdaemon_option (const char *configname,
                               unsigned int configlineno, const char *name);

int string_to_cipher_algo (const char *string);
int string_to_digest_algo (const char *string);

const char *compress_algo_to_string(int algo);
int string_to_compress_algo(const char *string);
int check_compress_algo(int algo);
int default_cipher_algo(void);
int default_compress_algo(void);
const char *compliance_option_string(void);
void compliance_failure(void);

struct parse_options
{
  char *name;
  unsigned int bit;
  char **value;
  char *help;
};

char *optsep(char **stringp);
char *argsplit(char *string);
int parse_options(char *str,unsigned int *options,
		  struct parse_options *opts,int noisy);
int has_invalid_email_chars (const char *s);
int is_valid_mailbox (const char *name);
const char *get_libexecdir (void);
int path_access(const char *file,int mode);

/* Temporary helpers. */
int pubkey_get_npkey( int algo );
int pubkey_get_nskey( int algo );
int pubkey_get_nsig( int algo );
int pubkey_get_nenc( int algo );
unsigned int pubkey_nbits( int algo, gcry_mpi_t *pkey );
int mpi_print( FILE *fp, gcry_mpi_t a, int mode );

/*-- status.c --*/
void set_status_fd ( int fd );
int  is_status_enabled ( void );
void write_status ( int no );
void write_status_error (const char *where, int errcode);
void write_status_text ( int no, const char *text );
void write_status_strings (int no, const char *text,
                           ...) GNUPG_GCC_A_SENTINEL(0);
void write_status_buffer ( int no,
                           const char *buffer, size_t len, int wrap );
void write_status_text_and_buffer ( int no, const char *text,
                                    const char *buffer, size_t len, int wrap );

void write_status_begin_signing (gcry_md_hd_t md);


int cpr_enabled(void);
char *cpr_get( const char *keyword, const char *prompt );
char *cpr_get_no_help( const char *keyword, const char *prompt );
char *cpr_get_utf8( const char *keyword, const char *prompt );
char *cpr_get_hidden( const char *keyword, const char *prompt );
void cpr_kill_prompt(void);
int  cpr_get_answer_is_yes( const char *keyword, const char *prompt );
int  cpr_get_answer_yes_no_quit( const char *keyword, const char *prompt );
int  cpr_get_answer_okay_cancel (const char *keyword,
                                 const char *prompt,
                                 int def_answer);

/*-- helptext.c --*/
void display_online_help( const char *keyword );

/*-- encode.c --*/
int setup_symkey(STRING2KEY **symkey_s2k,DEK **symkey_dek);
int encode_symmetric( const char *filename );
int encode_store( const char *filename );
int encode_crypt( const char *filename, strlist_t remusr, int use_symkey );
void encode_crypt_files(int nfiles, char **files, strlist_t remusr);
int encrypt_filter( void *opaque, int control,
		    iobuf_t a, byte *buf, size_t *ret_len);


/*-- sign.c --*/
int complete_sig( PKT_signature *sig, PKT_secret_key *sk, gcry_md_hd_t md );
int sign_file( strlist_t filenames, int detached, strlist_t locusr,
	       int do_encrypt, strlist_t remusr, const char *outfile );
int clearsign_file( const char *fname, strlist_t locusr, const char *outfile );
int sign_symencrypt_file (const char *fname, strlist_t locusr);

/*-- sig-check.c --*/
int check_revocation_keys (PKT_public_key *pk, PKT_signature *sig);
int check_backsig(PKT_public_key *main_pk,PKT_public_key *sub_pk,
		  PKT_signature *backsig);
int check_key_signature( KBNODE root, KBNODE node, int *is_selfsig );
int check_key_signature2( KBNODE root, KBNODE node, PKT_public_key *check_pk,
			  PKT_public_key *ret_pk, int *is_selfsig,
			  u32 *r_expiredate, int *r_expired );

/*-- delkey.c --*/
int delete_keys( strlist_t names, int secret, int allow_both );

/*-- keyedit.c --*/
void keyedit_menu( const char *username, strlist_t locusr,
		   strlist_t commands, int quiet, int seckey_check );
void keyedit_passwd (const char *username);
void show_basic_key_info (KBNODE keyblock);

/*-- keygen.c --*/
u32 parse_expire_string(const char *string);
u32 ask_expire_interval(int object,const char *def_expire);
u32 ask_expiredate(void);
void generate_keypair( const char *fname, const char *card_serialno,
                       const char *backup_encryption_dir );
int keygen_set_std_prefs (const char *string,int personal);
PKT_user_id *keygen_get_std_prefs (void);
int keygen_add_key_expire( PKT_signature *sig, void *opaque );
int keygen_add_std_prefs( PKT_signature *sig, void *opaque );
int keygen_upd_std_prefs( PKT_signature *sig, void *opaque );
int keygen_add_keyserver_url(PKT_signature *sig, void *opaque);
int keygen_add_notations(PKT_signature *sig,void *opaque);
int keygen_add_revkey(PKT_signature *sig, void *opaque);
int make_backsig(PKT_signature *sig,PKT_public_key *pk,
		 PKT_public_key *sub_pk,PKT_secret_key *sub_sk,
                 u32 timestamp);
int generate_subkeypair( KBNODE pub_keyblock, KBNODE sec_keyblock );
#ifdef ENABLE_CARD_SUPPORT
int generate_card_subkeypair (KBNODE pub_keyblock, KBNODE sec_keyblock,
                              int keyno, const char *serialno);
int save_unprotected_key_to_card (PKT_secret_key *sk, int keyno);
#endif

/*-- openfile.c --*/
int overwrite_filep( const char *fname );
char *make_outfile_name( const char *iname );
char *ask_outfile_name( const char *name, size_t namelen );
int   open_outfile( const char *iname, int mode, iobuf_t *a );
char *get_matching_datafile (const char *sigfilename);
iobuf_t open_sigfile (const char *sigfilename, progress_filter_context_t *pfx);
void try_make_homedir( const char *fname );

/*-- seskey.c --*/
void make_session_key( DEK *dek );
gcry_mpi_t encode_session_key( DEK *dek, unsigned nbits );
gcry_mpi_t encode_md_value( PKT_public_key *pk, PKT_secret_key *sk,
                            gcry_md_hd_t md, int hash_algo );

/*-- import.c --*/

typedef int (*import_filter_t)(kbnode_t keyblock, void *arg);

int parse_import_options(char *str,unsigned int *options,int noisy);
void import_keys( char **fnames, int nnames,
		  void *stats_hd, unsigned int options );
int import_keys_stream (iobuf_t inp, void *stats_hd, unsigned char **fpr,
                        size_t *fpr_len, unsigned int options,
                        import_filter_t filter, void *filter_arg);
void *import_new_stats_handle (void);
void import_release_stats_handle (void *p);
void import_print_stats (void *hd);

int collapse_uids( KBNODE *keyblock );

int auto_create_card_key_stub ( const char *serialnostr,
                                const unsigned char *fpr1,
                                const unsigned char *fpr2,
                                const unsigned char *fpr3);

/*-- export.c --*/
int parse_export_options(char *str,unsigned int *options,int noisy);
int export_pubkeys( strlist_t users, unsigned int options );
int export_pubkeys_stream( iobuf_t out, strlist_t users,
			   KBNODE *keyblock_out, unsigned int options );
int export_seckeys( strlist_t users );
int export_secsubkeys( strlist_t users );

/* dearmor.c --*/
int dearmor_file( const char *fname );
int enarmor_file( const char *fname );

/*-- revoke.c --*/
struct revocation_reason_info;
int gen_revoke( const char *uname );
int gen_desig_revoke( const char *uname, strlist_t locusr);
int revocation_reason_build_cb( PKT_signature *sig, void *opaque );
struct revocation_reason_info *
		ask_revocation_reason( int key_rev, int cert_rev, int hint );
void release_revocation_reason_info( struct revocation_reason_info *reason );

/*-- keylist.c --*/
void public_key_list( strlist_t list, int locate_mode );
void secret_key_list( strlist_t list );
void print_subpackets_colon(PKT_signature *sig);
void reorder_keyblock (KBNODE keyblock);
void list_keyblock( KBNODE keyblock, int secret, int fpr, void *opaque );
void print_fingerprint (PKT_public_key *pk, PKT_secret_key *sk, int mode);
void print_revokers(PKT_public_key *pk);
void show_policy_url(PKT_signature *sig,int indent,int mode);
void show_keyserver_url(PKT_signature *sig,int indent,int mode);
void show_notation(PKT_signature *sig,int indent,int mode,int which);
void dump_attribs(const PKT_user_id *uid,
		  PKT_public_key *pk,PKT_secret_key *sk);
void set_attrib_fd(int fd);
void print_seckey_info (PKT_secret_key *sk);
void print_pubkey_info (FILE *fp, PKT_public_key *pk);
void print_card_key_info (FILE *fp, KBNODE keyblock);

/*-- verify.c --*/
void print_file_status( int status, const char *name, int what );
int verify_signatures( int nfiles, char **files );
int verify_files( int nfiles, char **files );
int gpg_verify (ctrl_t ctrl, int sig_fd, int data_fd, FILE *out_fp);

/*-- decrypt.c --*/
int decrypt_message( const char *filename );
void decrypt_messages(int nfiles, char *files[]);

/*-- plaintext.c --*/
int hash_datafiles( gcry_md_hd_t md, gcry_md_hd_t md2,
		    strlist_t files, const char *sigfilename, int textmode );
int hash_datafile_by_fd ( gcry_md_hd_t md, gcry_md_hd_t md2, int data_fd,
                          int textmode );
PKT_plaintext *setup_plaintext_name(const char *filename,IOBUF iobuf);

/*-- signal.c --*/
void init_signals(void);
void pause_on_sigusr( int which );
void block_all_signals(void);
void unblock_all_signals(void);

/*-- server.c --*/
int gpg_server (ctrl_t);

#ifdef ENABLE_CARD_SUPPORT
/*-- card-util.c --*/
void change_pin (int no, int allow_admin);
void card_status (FILE *fp, char *serialno, size_t serialnobuflen);
void card_edit (strlist_t commands);
int  card_generate_subkey (KBNODE pub_keyblock, KBNODE sec_keyblock);
int  card_store_subkey (KBNODE node, int use);
#endif

#define S2K_DECODE_COUNT(_val) ((16ul + ((_val) & 15)) << (((_val) >> 4) + 6))

#endif /*G10_MAIN_H*/