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macro_tools.hpp
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1/*********************************************************************/
2// dar - disk archive - a backup/restoration program
3// Copyright (C) 2002-2026 Denis Corbin
4//
5// This program is free software; you can redistribute it and/or
6// modify it under the terms of the GNU General Public License
7// as published by the Free Software Foundation; either version 2
8// of the License, or (at your option) any later version.
9//
10// This program is distributed in the hope that it will be useful,
11// but WITHOUT ANY WARRANTY; without even the implied warranty of
12// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13// GNU General Public License for more details.
14//
15// You should have received a copy of the GNU General Public License
16// along with this program; if not, write to the Free Software
17// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18//
19// to contact the author, see the AUTHOR file
20/*********************************************************************/
21
25
26#ifndef MACRO_TOOLS_HPP
27#define MACRO_TOOLS_HPP
28
29#include "../my_config.h"
30
31 extern "C"
32{
33#if HAVE_LIMITS_H
34#include <limits.h>
35#endif
36}
37#include <string>
38#include <vector>
39
40#include "catalogue.hpp"
41#include "compression.hpp"
42#include "infinint.hpp"
43#include "header_version.hpp"
44#include "generic_file.hpp"
45#include "crypto.hpp"
46#include "pile.hpp"
47#include "entrepot.hpp"
48#include "range.hpp"
49#include "slice_layout.hpp"
50#include "tuyau.hpp"
51#include "trivial_sar.hpp"
52#include "proto_compressor.hpp"
53
54
55#define BUFFER_SIZE 102400
56#ifdef SSIZE_MAX
57#if SSIZE_MAX < BUFFER_SIZE
58#undef BUFFER_SIZE
59#define BUFFER_SIZE SSIZE_MAX
60#endif
61#endif
62
63 namespace libdar
64{
65
68
69 constexpr U_I GLOBAL_ELASTIC_BUFFER_SIZE = 51200;
70
71 extern const archive_version macro_tools_supported_version;
72 extern const std::string LIBDAR_STACK_LABEL_UNCOMPRESSED;
73 extern const std::string LIBDAR_STACK_LABEL_CLEAR;
74 extern const std::string LIBDAR_STACK_LABEL_UNCYPHERED;
75 extern const std::string LIBDAR_STACK_LABEL_LEVEL1;
76
78 extern trivial_sar *macro_tools_open_archive_tuyau(const std::shared_ptr<user_interaction> & dialog,
79 S_I fd,
80 gf_mode mode,
81 const label & internal_name,
82 const label & data_name,
83 bool slice_header_format_07,
84 const std::string & execute);
85
86
88
109
110 extern void macro_tools_open_archive(const std::shared_ptr<user_interaction> & dialog,
111 const std::shared_ptr<entrepot> & where,
112 const std::string &basename,
113 const infinint & min_digits,
114 const std::string &extension,
115 crypto_algo crypto,
116 const secu_string &pass,
117 U_32 crypto_size,
118 pile & stack,
119 header_version &ver,
120 const std::string &input_pipe,
121 const std::string &output_pipe,
122 const std::string & execute,
123 infinint & second_terminateur_offset,
124 bool lax,
125 bool has_external_cat,
126 bool sequential_read,
127 bool info_details,
128 std::list<signator> & gnupg_signed,
129 slice_layout & sl,
130 U_I multi_threaded_crypto,
131 U_I multi_threaded_compress,
132 bool header_only,
133 bool silent,
134 bool force_read_first_slice
135 );
136 // all allocated objects (ret1, ret2, scram), must be deleted when no more needed by the caller of this routine
137
139 extern catalogue *macro_tools_get_derivated_catalogue_from(const std::shared_ptr<user_interaction> & dialog,
140 pile & data_stack, // where to get the files and EA from
141 pile & cata_stack, // where to get the catalogue from
142 const header_version & ver, // version format as defined in the header of the archive to read
143 bool info_details, // verbose display (throught user_interaction)
144 infinint &cat_size, // return size of archive in file (not in memory !)
145 const infinint & second_terminateur_offset, // location of the second terminateur (zero if none exist)
146 std::list<signator> & signatories, // returns the list of signatories (empty if archive is was not signed)
147 bool lax_mode); // whether to do relaxed checkings
148
150 extern catalogue *macro_tools_get_catalogue_from(const std::shared_ptr<user_interaction> & dialog,
151 pile & stack, // raw data access object
152 const header_version & ver, // version format as defined in the header of the archive to read
153 bool info_details, // verbose display (throught user_interaction)
154 infinint &cat_size, // return size of archive in file (not in memory !)
155 const infinint & second_terminateur_offset,
156 std::list<signator> & signatories, // returns the list of signatories (empty if archive is was not signed)
157 bool lax_mode);
158
160 extern catalogue *macro_tools_read_catalogue(const std::shared_ptr<user_interaction> & dialog,
161 const header_version & ver,
162 const pile_descriptor & cata_pdesc,
163 const infinint & cat_size,
164 std::list<signator> & signatories,
165 bool lax_mode,
166 const label & lax_layer1_data_name,
167 bool only_detruits);
168
169 extern catalogue *macro_tools_lax_search_catalogue(const std::shared_ptr<user_interaction> & dialog,
170 pile & stack,
171 const archive_version & edition,
172 compression compr_algo,
173 bool info_details,
174 bool even_partial_catalogues,
175 const label & layer1_data_name);
176
177 // return the offset of the beginning of the catalogue.
178 extern infinint macro_tools_get_terminator_start(generic_file & f, const archive_version & reading_ver);
179
181
239
240 extern void macro_tools_create_layers(const std::shared_ptr<user_interaction> & dialog,
241 pile & layers,
242 header_version & ver,
243 slice_layout & slicing,
244 const slice_layout *ref_slicing,
245 const std::shared_ptr<entrepot> & sauv_path_t,
246 const std::string & filename,
247 const std::string & extension,
248 bool allow_over,
249 bool warn_over,
250 bool info_details,
251 const infinint & pause,
252 compression algo,
253 U_I compression_level,
254 U_I compression_block_size,
255 const infinint & file_size,
256 const infinint & first_file_size,
257 const std::string & execute,
258 crypto_algo crypto,
259 const secu_string & pass,
260 U_32 crypto_size,
261 const std::vector<std::string> & gnupg_recipients,
262 const std::vector<std::string> & gnupg_signatories,
263 bool empty,
264 const std::string & slice_permission,
265 bool add_marks_for_sequential_reading,
266 const std::string & user_comment,
267 hash_algo hash,
268 const infinint & slice_min_digits,
269 const label & internal_name,
270 const label & data_name,
271 const infinint & iteration_count,
272 hash_algo kdf_hash,
273 U_I multi_threaded_crypto,
274 U_I multi_threaded_compress);
275
277
288 extern void macro_tools_close_layers(const std::shared_ptr<user_interaction> & dialog,
289 pile & layers,
290 const header_version & ver,
291 const catalogue & cat,
292 bool info_details,
293 crypto_algo crypto,
294 compression algo,
295 const std::vector<std::string> & gnupg_recipients,
296 const std::vector<std::string> & gnupg_signatories,
297 bool empty);
298
299
301
306 extern range macro_tools_get_slices(const cat_nomme *obj, slice_layout sl);
307
309
316 extern void macro_tools_open_pipes(const std::shared_ptr<user_interaction> & dialog,
317 const std::string &input,
318 const std::string & output,
319 tuyau *&in,
320 tuyau *&out);
321
323
328 extern proto_compressor* macro_tools_build_streaming_compressor(compression algo,
329 generic_file & base,
330 U_I compression_level,
331 U_I num_workers);
332
334
340 extern proto_compressor* macro_tools_build_block_compressor(compression algo,
341 generic_file & base,
342 U_I compression_level,
343 U_I num_workers,
344 U_I block_size);
345
347
348} // end of namespace
349
350
351#endif
catalogue.hpp
here is defined the classe used to manage catalogue of archives
libdar::archive_version
class archive_version manages the version of the archive format
Definition archive_version.hpp:47
libdar::cat_nomme
the base class for all entry that have a name
Definition cat_nomme.hpp:45
libdar::catalogue
the catalogue class which gather all objects contained in a give archive
Definition catalogue.hpp:60
libdar::generic_file
this is the interface class from which all other data transfer classes inherit
Definition generic_file.hpp:77
libdar::header_version
manages the archive header and trailer
Definition header_version.hpp:48
libdar::infinint
the arbitrary large positive integer class
Definition real_infinint.hpp:62
libdar::label
manage label data structure used in archive slice headers
Definition label.hpp:43
libdar::pile
stores a stack of generic_files writing/reading on each others
Definition pile.hpp:44
libdar::range
stores a range of integers or a set of ranges
Definition range.hpp:44
libdar::secu_string
class secu_string
Definition secu_string.hpp:54
libdar::trivial_sar
Definition trivial_sar.hpp:54
libdar::tuyau
pipe implementation under the generic_file interface.
Definition tuyau.hpp:49
compression.hpp
compression parameters for API
crypto.hpp
the crypto algoritm definition
entrepot.hpp
defines the entrepot interface.
generic_file.hpp
class generic_file is defined here as well as class fichier
libdar::hash_algo
hash_algo
hashing algorithm available
Definition archive_aux.hpp:63
libdar::compression
compression
the different compression algorithm available
Definition compression.hpp:46
libdar::crypto_algo
crypto_algo
the different cypher available for encryption (strong or weak)
Definition crypto.hpp:50
libdar::macro_tools_create_layers
void macro_tools_create_layers(const std::shared_ptr< user_interaction > &dialog, pile &layers, header_version &ver, slice_layout &slicing, const slice_layout *ref_slicing, const std::shared_ptr< entrepot > &sauv_path_t, const std::string &filename, const std::string &extension, bool allow_over, bool warn_over, bool info_details, const infinint &pause, compression algo, U_I compression_level, U_I compression_block_size, const infinint &file_size, const infinint &first_file_size, const std::string &execute, crypto_algo crypto, const secu_string &pass, U_32 crypto_size, const std::vector< std::string > &gnupg_recipients, const std::vector< std::string > &gnupg_signatories, bool empty, const std::string &slice_permission, bool add_marks_for_sequential_reading, const std::string &user_comment, hash_algo hash, const infinint &slice_min_digits, const label &internal_name, const label &data_name, const infinint &iteration_count, hash_algo kdf_hash, U_I multi_threaded_crypto, U_I multi_threaded_compress)
build layers for a new archive
libdar::macro_tools_close_layers
void macro_tools_close_layers(const std::shared_ptr< user_interaction > &dialog, pile &layers, const header_version &ver, const catalogue &cat, bool info_details, crypto_algo crypto, compression algo, const std::vector< std::string > &gnupg_recipients, const std::vector< std::string > &gnupg_signatories, bool empty)
dumps the catalogue and close all the archive layers to terminate the archive
libdar::macro_tools_get_slices
range macro_tools_get_slices(const cat_nomme *obj, slice_layout sl)
gives the location of data EA and FSA (when they are saved) of the object given in argument
libdar::macro_tools_read_catalogue
catalogue * macro_tools_read_catalogue(const std::shared_ptr< user_interaction > &dialog, const header_version &ver, const pile_descriptor &cata_pdesc, const infinint &cat_size, std::list< signator > &signatories, bool lax_mode, const label &lax_layer1_data_name, bool only_detruits)
read the catalogue from cata_stack assuming the cata_stack is positionned at the beginning of the are...
libdar::macro_tools_get_catalogue_from
catalogue * macro_tools_get_catalogue_from(const std::shared_ptr< user_interaction > &dialog, pile &stack, const header_version &ver, bool info_details, infinint &cat_size, const infinint &second_terminateur_offset, std::list< signator > &signatories, bool lax_mode)
uses terminator to skip to the position where to find the catalogue and read it
libdar::macro_tools_open_pipes
void macro_tools_open_pipes(const std::shared_ptr< user_interaction > &dialog, const std::string &input, const std::string &output, tuyau *&in, tuyau *&out)
open a pair of tuyau objects encapsulating two named pipes.
libdar::macro_tools_get_derivated_catalogue_from
catalogue * macro_tools_get_derivated_catalogue_from(const std::shared_ptr< user_interaction > &dialog, pile &data_stack, pile &cata_stack, const header_version &ver, bool info_details, infinint &cat_size, const infinint &second_terminateur_offset, std::list< signator > &signatories, bool lax_mode)
uses terminator to skip to the position where to find the catalogue and read it, taking care of havin...
libdar::macro_tools_build_block_compressor
proto_compressor * macro_tools_build_block_compressor(compression algo, generic_file &base, U_I compression_level, U_I num_workers, U_I block_size)
return a proto_compressor object realizing the desired (de)compression level/algo on to of "base" in ...
libdar::macro_tools_build_streaming_compressor
proto_compressor * macro_tools_build_streaming_compressor(compression algo, generic_file &base, U_I compression_level, U_I num_workers)
return a proto_compressor object realizing the desired (de)compression level/aglo on top of "base" in...
libdar::gf_mode
gf_mode
generic_file openning modes
Definition gf_mode.hpp:44
libdar::macro_tools_open_archive_tuyau
trivial_sar * macro_tools_open_archive_tuyau(const std::shared_ptr< user_interaction > &dialog, S_I fd, gf_mode mode, const label &internal_name, const label &data_name, bool slice_header_format_07, const std::string &execute)
create an container to write an archive to a pipe
libdar::macro_tools_open_archive
void macro_tools_open_archive(const std::shared_ptr< user_interaction > &dialog, const std::shared_ptr< entrepot > &where, const std::string &basename, const infinint &min_digits, const std::string &extension, crypto_algo crypto, const secu_string &pass, U_32 crypto_size, pile &stack, header_version &ver, const std::string &input_pipe, const std::string &output_pipe, const std::string &execute, infinint &second_terminateur_offset, bool lax, bool has_external_cat, bool sequential_read, bool info_details, std::list< signator > &gnupg_signed, slice_layout &sl, U_I multi_threaded_crypto, U_I multi_threaded_compress, bool header_only, bool silent, bool force_read_first_slice)
setup the given pile object to contain a stack of generic_files suitable to read an archive
header_version.hpp
archive global header/trailer structure is defined here
infinint.hpp
switch module to limitint (32 ou 64 bits integers) or infinint
my_config.h
include macro defined by the configure script and some specific additional ones
libdar
libdar namespace encapsulate all libdar symbols
Definition archive.hpp:47
pile.hpp
class pile definition. Used to manage a stack of generic_file objects
proto_compressor.hpp
abstracted ancestor class for compressor and parallel_compressor classes
range.hpp
class than provide a way to manipulate and represent range of integer numbers (infinint)
slice_layout.hpp
object describing the slicing of an archive
trivial_sar.hpp
the trivial_sar classes manages the slicing layer when single slice is used
tuyau.hpp
defines the implementation of pipe under the generic_file interface.