2 * cryptsetup - setup cryptographic volumes for dm-crypt
4 * Copyright (C) 2004 Jana Saout <jana@saout.de>
5 * Copyright (C) 2004-2007 Clemens Fruhwirth <clemens@endorphin.org>
6 * Copyright (C) 2009-2021 Red Hat, Inc. All rights reserved.
7 * Copyright (C) 2009-2021 Milan Broz
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version 2
12 * of the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
44 #include "lib/utils_crypt.h"
45 #include "lib/utils_loop.h"
46 #include "lib/utils_fips.h"
47 #include "lib/utils_io.h"
48 #include "lib/utils_blkid.h"
50 #include "libcryptsetup.h"
52 #define CONST_CAST(x) (x)(uintptr_t)
53 #define DEFAULT_CIPHER(type) (DEFAULT_##type##_CIPHER "-" DEFAULT_##type##_MODE)
54 #define SECTOR_SIZE 512
55 #define MAX_SECTOR_SIZE 4096
56 #define ROUND_SECTOR(x) (((x) + SECTOR_SIZE - 1) / SECTOR_SIZE)
58 #define DEFAULT_WIPE_BLOCK 1048576 /* 1 MiB */
61 extern int opt_debug_json;
62 extern int opt_verbose;
63 extern int opt_batch_mode;
64 extern int opt_force_password;
65 extern int opt_progress_frequency;
68 void clogger(struct crypt_device *cd, int level, const char *file, int line,
69 const char *format, ...) __attribute__ ((format (printf, 5, 6)));
70 void tool_log(int level, const char *msg, void *usrptr __attribute__((unused)));
71 void quiet_log(int level, const char *msg, void *usrptr);
73 int yesDialog(const char *msg, void *usrptr);
74 int noDialog(const char *msg, void *usrptr);
75 void show_status(int errcode);
76 const char *uuid_or_device(const char *spec);
77 __attribute__ ((noreturn)) \
78 void usage(poptContext popt_context, int exitcode, const char *error, const char *more);
79 void dbg_version_and_cmd(int argc, const char **argv);
80 int translate_errno(int r);
82 typedef enum { CREATED, UNLOCKED, REMOVED } crypt_object_op;
83 void tools_keyslot_msg(int keyslot, crypt_object_op op);
84 void tools_token_msg(int token, crypt_object_op op);
86 extern volatile int quit;
87 void set_int_block(int block);
88 void set_int_handler(int block);
89 void check_signal(int *r);
90 int tools_signals_blocked(void);
92 int tools_get_key(const char *prompt,
93 char **key, size_t *key_size,
94 uint64_t keyfile_offset, size_t keyfile_size_max,
96 int timeout, int verify, int pwquality,
97 struct crypt_device *cd);
98 void tools_passphrase_msg(int r);
99 int tools_is_stdin(const char *key_file);
100 int tools_string_to_size(struct crypt_device *cd, const char *s, uint64_t *size);
102 void tools_clear_line(void);
104 int tools_wipe_progress(uint64_t size, uint64_t offset, void *usrptr);
105 int tools_reencrypt_progress(uint64_t size, uint64_t offset, void *usrptr);
107 int tools_read_mk(const char *file, char **key, int keysize);
108 int tools_write_mk(const char *file, const char *key, int keysize);
110 int tools_read_json_file(struct crypt_device *cd, const char *file, char **json, size_t *json_size);
111 int tools_write_json_file(struct crypt_device *cd, const char *file, const char *json);
113 int tools_detect_signatures(const char *device, int ignore_luks, size_t *count);
114 int tools_wipe_all_signatures(const char *path);
116 int tools_lookup_crypt_device(struct crypt_device *cd, const char *type,
117 const char *data_device_path, char *name, size_t name_length);
119 /* each utility is required to implement it */
120 void tools_cleanup(void);
122 #define FREE_AND_NULL(x) do { free(x); x = NULL; } while (0)
125 #define log_dbg(x...) clogger(NULL, CRYPT_LOG_DEBUG, __FILE__, __LINE__, x)
126 #define log_std(x...) clogger(NULL, CRYPT_LOG_NORMAL, __FILE__, __LINE__, x)
127 #define log_verbose(x...) clogger(NULL, CRYPT_LOG_VERBOSE, __FILE__, __LINE__, x)
128 #define log_err(x...) clogger(NULL, CRYPT_LOG_ERROR, __FILE__, __LINE__, x)
130 #endif /* CRYPTSETUP_H */