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3.3.3
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1 /*-
2 * Copyright (c) 2003-2010 Tim Kientzle
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 * $FreeBSD: src/lib/libarchive/archive.h.in,v 1.50 2008/05/26 17:00:22 kientzle Exp $
26 */
27
28 #ifndef ARCHIVE_H_INCLUDED
29 #define ARCHIVE_H_INCLUDED
30
31 /*
32 * The version number is expressed as a single integer that makes it
33 * easy to compare versions at build time: for version a.b.c, the
34 * version number is printf("%d%03d%03d",a,b,c). For example, if you
35 * know your application requires version 2.12.108 or later, you can
36 * assert that ARCHIVE_VERSION_NUMBER >= 2012108.
37 */
38 /* Note: Compiler will complain if this does not match archive_entry.h! */
39 #define ARCHIVE_VERSION_NUMBER 3003003
40
41 #include <sys/stat.h>
42 #include <stddef.h> /* for wchar_t */
43 #include <stdio.h> /* For FILE * */
44 #include <time.h> /* For time_t */
45
46 /*
47 * Note: archive.h is for use outside of libarchive; the configuration
48 * headers (config.h, archive_platform.h, etc.) are purely internal.
49 * Do NOT use HAVE_XXX configuration macros to control the behavior of
50 * this header! If you must conditionalize, use predefined compiler and/or
51 * platform macros.
52 */
53 #if defined(__BORLANDC__) && __BORLANDC__ >= 0x560
54 # include <stdint.h>
55 #elif !defined(__WATCOMC__) && !defined(_MSC_VER) && !defined(__INTERIX) && !defined(__BORLANDC__) && !defined(_SCO_DS) && !defined(__osf__)
56 # include <inttypes.h>
57 #endif
58
59 /* Get appropriate definitions of 64-bit integer */
60 #if !defined(__LA_INT64_T_DEFINED)
61 /* Older code relied on the __LA_INT64_T macro; after 4.0 we'll switch to the typedef exclusively. */
62 # if ARCHIVE_VERSION_NUMBER < 4000000
63 #define __LA_INT64_T la_int64_t
64 # endif
65 #define __LA_INT64_T_DEFINED
66 # if defined(_WIN32) && !defined(__CYGWIN__) && !defined(__WATCOMC__)
67 typedef __int64 la_int64_t;
68 # else
69 # include <unistd.h> /* ssize_t */
70 # if defined(_SCO_DS) || defined(__osf__)
71 typedef long long la_int64_t;
72 # else
73 typedef int64_t la_int64_t;
74 # endif
75 # endif
76 #endif
77
78 /* The la_ssize_t should match the type used in 'struct stat' */
79 #if !defined(__LA_SSIZE_T_DEFINED)
80 /* Older code relied on the __LA_SSIZE_T macro; after 4.0 we'll switch to the typedef exclusively. */
81 # if ARCHIVE_VERSION_NUMBER < 4000000
82 #define __LA_SSIZE_T la_ssize_t
83 # endif
84 #define __LA_SSIZE_T_DEFINED
85 # if defined(_WIN32) && !defined(__CYGWIN__) && !defined(__WATCOMC__)
86 # if defined(_SSIZE_T_DEFINED) || defined(_SSIZE_T_)
87 typedef ssize_t la_ssize_t;
88 # elif defined(_WIN64)
89 typedef __int64 la_ssize_t;
90 # else
91 typedef long la_ssize_t;
92 # endif
93 # else
94 # include <unistd.h> /* ssize_t */
95 typedef ssize_t la_ssize_t;
96 # endif
97 #endif
98
99 /* Large file support for Android */
100 #ifdef __ANDROID__
101 #include "android_lf.h"
102 #endif
103
104 /*
105 * On Windows, define LIBARCHIVE_STATIC if you're building or using a
106 * .lib. The default here assumes you're building a DLL. Only
107 * libarchive source should ever define __LIBARCHIVE_BUILD.
108 */
109 #if ((defined __WIN32__) || (defined _WIN32) || defined(__CYGWIN__)) && (!defined LIBARCHIVE_STATIC)
110 # ifdef __LIBARCHIVE_BUILD
111 # ifdef __GNUC__
112 # define __LA_DECL __attribute__((dllexport)) extern
113 # else
114 # define __LA_DECL __declspec(dllexport)
115 # endif
116 # else
117 # ifdef __GNUC__
118 # define __LA_DECL
119 # else
120 # define __LA_DECL __declspec(dllimport)
121 # endif
122 # endif
123 #else
124 /* Static libraries or non-Windows needs no special declaration. */
125 # define __LA_DECL
126 #endif
127
128 #if defined(__GNUC__) && __GNUC__ >= 3 && !defined(__MINGW32__)
129 #define __LA_PRINTF(fmtarg, firstvararg) \
130 __attribute__((__format__ (__printf__, fmtarg, firstvararg)))
131 #else
132 #define __LA_PRINTF(fmtarg, firstvararg) /* nothing */
133 #endif
134
135 #if defined(__GNUC__) && __GNUC__ >= 3 && __GNUC_MINOR__ >= 1
136 # define __LA_DEPRECATED __attribute__((deprecated))
137 #else
138 # define __LA_DEPRECATED
139 #endif
140
141 #ifdef __cplusplus
142 extern "C" {
143 #endif
144
145 /*
146 * The version number is provided as both a macro and a function.
147 * The macro identifies the installed header; the function identifies
148 * the library version (which may not be the same if you're using a
149 * dynamically-linked version of the library). Of course, if the
150 * header and library are very different, you should expect some
151 * strangeness. Don't do that.
152 */
153 __LA_DECL int archive_version_number(void);
154
155 /*
156 * Textual name/version of the library, useful for version displays.
157 */
158 #define ARCHIVE_VERSION_ONLY_STRING "3.3.3"
159 #define ARCHIVE_VERSION_STRING "libarchive " ARCHIVE_VERSION_ONLY_STRING
160 __LA_DECL const char * archive_version_string(void);
161
162 /*
163 * Detailed textual name/version of the library and its dependencies.
164 * This has the form:
165 * "libarchive x.y.z zlib/a.b.c liblzma/d.e.f ... etc ..."
166 * the list of libraries described here will vary depending on how
167 * libarchive was compiled.
168 */
169 __LA_DECL const char * archive_version_details(void);
170
171 /*
172 * Returns NULL if libarchive was compiled without the associated library.
173 * Otherwise, returns the version number that libarchive was compiled
174 * against.
175 */
176 __LA_DECL const char * archive_zlib_version(void);
177 __LA_DECL const char * archive_liblzma_version(void);
178 __LA_DECL const char * archive_bzlib_version(void);
179 __LA_DECL const char * archive_liblz4_version(void);
180 __LA_DECL const char * archive_libzstd_version(void);
181
182 /* Declare our basic types. */
183 struct archive;
184 struct archive_entry;
185
186 /*
187 * Error codes: Use archive_errno() and archive_error_string()
188 * to retrieve details. Unless specified otherwise, all functions
189 * that return 'int' use these codes.
190 */
191 #define ARCHIVE_EOF 1 /* Found end of archive. */
192 #define ARCHIVE_OK 0 /* Operation was successful. */
193 #define ARCHIVE_RETRY (-10) /* Retry might succeed. */
194 #define ARCHIVE_WARN (-20) /* Partial success. */
195 /* For example, if write_header "fails", then you can't push data. */
196 #define ARCHIVE_FAILED (-25) /* Current operation cannot complete. */
197 /* But if write_header is "fatal," then this archive is dead and useless. */
198 #define ARCHIVE_FATAL (-30) /* No more operations are possible. */
199
200 /*
201 * As far as possible, archive_errno returns standard platform errno codes.
202 * Of course, the details vary by platform, so the actual definitions
203 * here are stored in "archive_platform.h". The symbols are listed here
204 * for reference; as a rule, clients should not need to know the exact
205 * platform-dependent error code.
206 */
207 /* Unrecognized or invalid file format. */
208 /* #define ARCHIVE_ERRNO_FILE_FORMAT */
209 /* Illegal usage of the library. */
210 /* #define ARCHIVE_ERRNO_PROGRAMMER_ERROR */
211 /* Unknown or unclassified error. */
212 /* #define ARCHIVE_ERRNO_MISC */
213
214 /*
215 * Callbacks are invoked to automatically read/skip/write/open/close the
216 * archive. You can provide your own for complex tasks (like breaking
217 * archives across multiple tapes) or use standard ones built into the
218 * library.
219 */
220
221 /* Returns pointer and size of next block of data from archive. */
222 typedef la_ssize_t archive_read_callback(struct archive *,
223 void *_client_data, const void **_buffer);
224
225 /* Skips at most request bytes from archive and returns the skipped amount.
226 * This may skip fewer bytes than requested; it may even skip zero bytes.
227 * If you do skip fewer bytes than requested, libarchive will invoke your
228 * read callback and discard data as necessary to make up the full skip.
229 */
230 typedef la_int64_t archive_skip_callback(struct archive *,
231 void *_client_data, la_int64_t request);
232
233 /* Seeks to specified location in the file and returns the position.
234 * Whence values are SEEK_SET, SEEK_CUR, SEEK_END from stdio.h.
235 * Return ARCHIVE_FATAL if the seek fails for any reason.
236 */
237 typedef la_int64_t archive_seek_callback(struct archive *,
238 void *_client_data, la_int64_t offset, int whence);
239
240 /* Returns size actually written, zero on EOF, -1 on error. */
241 typedef la_ssize_t archive_write_callback(struct archive *,
242 void *_client_data,
243 const void *_buffer, size_t _length);
244
245 typedef int archive_open_callback(struct archive *, void *_client_data);
246
247 typedef int archive_close_callback(struct archive *, void *_client_data);
248
249 /* Switches from one client data object to the next/prev client data object.
250 * This is useful for reading from different data blocks such as a set of files
251 * that make up one large file.
252 */
253 typedef int archive_switch_callback(struct archive *, void *_client_data1,
254 void *_client_data2);
255
256 /*
257 * Returns a passphrase used for encryption or decryption, NULL on nothing
258 * to do and give it up.
259 */
260 typedef const char *archive_passphrase_callback(struct archive *,
261 void *_client_data);
262
263 /*
264 * Codes to identify various stream filters.
265 */
266 #define ARCHIVE_FILTER_NONE 0
267 #define ARCHIVE_FILTER_GZIP 1
268 #define ARCHIVE_FILTER_BZIP2 2
269 #define ARCHIVE_FILTER_COMPRESS 3
270 #define ARCHIVE_FILTER_PROGRAM 4
271 #define ARCHIVE_FILTER_LZMA 5
272 #define ARCHIVE_FILTER_XZ 6
273 #define ARCHIVE_FILTER_UU 7
274 #define ARCHIVE_FILTER_RPM 8
275 #define ARCHIVE_FILTER_LZIP 9
276 #define ARCHIVE_FILTER_LRZIP 10
277 #define ARCHIVE_FILTER_LZOP 11
278 #define ARCHIVE_FILTER_GRZIP 12
279 #define ARCHIVE_FILTER_LZ4 13
280 #define ARCHIVE_FILTER_ZSTD 14
281
282 #if ARCHIVE_VERSION_NUMBER < 4000000
283 #define ARCHIVE_COMPRESSION_NONE ARCHIVE_FILTER_NONE
284 #define ARCHIVE_COMPRESSION_GZIP ARCHIVE_FILTER_GZIP
285 #define ARCHIVE_COMPRESSION_BZIP2 ARCHIVE_FILTER_BZIP2
286 #define ARCHIVE_COMPRESSION_COMPRESS ARCHIVE_FILTER_COMPRESS
287 #define ARCHIVE_COMPRESSION_PROGRAM ARCHIVE_FILTER_PROGRAM
288 #define ARCHIVE_COMPRESSION_LZMA ARCHIVE_FILTER_LZMA
289 #define ARCHIVE_COMPRESSION_XZ ARCHIVE_FILTER_XZ
290 #define ARCHIVE_COMPRESSION_UU ARCHIVE_FILTER_UU
291 #define ARCHIVE_COMPRESSION_RPM ARCHIVE_FILTER_RPM
292 #define ARCHIVE_COMPRESSION_LZIP ARCHIVE_FILTER_LZIP
293 #define ARCHIVE_COMPRESSION_LRZIP ARCHIVE_FILTER_LRZIP
294 #endif
295
296 /*
297 * Codes returned by archive_format.
298 *
299 * Top 16 bits identifies the format family (e.g., "tar"); lower
300 * 16 bits indicate the variant. This is updated by read_next_header.
301 * Note that the lower 16 bits will often vary from entry to entry.
302 * In some cases, this variation occurs as libarchive learns more about
303 * the archive (for example, later entries might utilize extensions that
304 * weren't necessary earlier in the archive; in this case, libarchive
305 * will change the format code to indicate the extended format that
306 * was used). In other cases, it's because different tools have
307 * modified the archive and so different parts of the archive
308 * actually have slightly different formats. (Both tar and cpio store
309 * format codes in each entry, so it is quite possible for each
310 * entry to be in a different format.)
311 */
312 #define ARCHIVE_FORMAT_BASE_MASK 0xff0000
313 #define ARCHIVE_FORMAT_CPIO 0x10000
314 #define ARCHIVE_FORMAT_CPIO_POSIX (ARCHIVE_FORMAT_CPIO | 1)
315 #define ARCHIVE_FORMAT_CPIO_BIN_LE (ARCHIVE_FORMAT_CPIO | 2)
316 #define ARCHIVE_FORMAT_CPIO_BIN_BE (ARCHIVE_FORMAT_CPIO | 3)
317 #define ARCHIVE_FORMAT_CPIO_SVR4_NOCRC (ARCHIVE_FORMAT_CPIO | 4)
318 #define ARCHIVE_FORMAT_CPIO_SVR4_CRC (ARCHIVE_FORMAT_CPIO | 5)
319 #define ARCHIVE_FORMAT_CPIO_AFIO_LARGE (ARCHIVE_FORMAT_CPIO | 6)
320 #define ARCHIVE_FORMAT_SHAR 0x20000
321 #define ARCHIVE_FORMAT_SHAR_BASE (ARCHIVE_FORMAT_SHAR | 1)
322 #define ARCHIVE_FORMAT_SHAR_DUMP (ARCHIVE_FORMAT_SHAR | 2)
323 #define ARCHIVE_FORMAT_TAR 0x30000
324 #define ARCHIVE_FORMAT_TAR_USTAR (ARCHIVE_FORMAT_TAR | 1)
325 #define ARCHIVE_FORMAT_TAR_PAX_INTERCHANGE (ARCHIVE_FORMAT_TAR | 2)
326 #define ARCHIVE_FORMAT_TAR_PAX_RESTRICTED (ARCHIVE_FORMAT_TAR | 3)
327 #define ARCHIVE_FORMAT_TAR_GNUTAR (ARCHIVE_FORMAT_TAR | 4)
328 #define ARCHIVE_FORMAT_ISO9660 0x40000
329 #define ARCHIVE_FORMAT_ISO9660_ROCKRIDGE (ARCHIVE_FORMAT_ISO9660 | 1)
330 #define ARCHIVE_FORMAT_ZIP 0x50000
331 #define ARCHIVE_FORMAT_EMPTY 0x60000
332 #define ARCHIVE_FORMAT_AR 0x70000
333 #define ARCHIVE_FORMAT_AR_GNU (ARCHIVE_FORMAT_AR | 1)
334 #define ARCHIVE_FORMAT_AR_BSD (ARCHIVE_FORMAT_AR | 2)
335 #define ARCHIVE_FORMAT_MTREE 0x80000
336 #define ARCHIVE_FORMAT_RAW 0x90000
337 #define ARCHIVE_FORMAT_XAR 0xA0000
338 #define ARCHIVE_FORMAT_LHA 0xB0000
339 #define ARCHIVE_FORMAT_CAB 0xC0000
340 #define ARCHIVE_FORMAT_RAR 0xD0000
341 #define ARCHIVE_FORMAT_RAR_V5 (ARCHIVE_FORMAT_RAR | 1)
342 #define ARCHIVE_FORMAT_7ZIP 0xE0000
343 #define ARCHIVE_FORMAT_WARC 0xF0000
344
345 /*
346 * Codes returned by archive_read_format_capabilities().
347 *
348 * This list can be extended with values between 0 and 0xffff.
349 * The original purpose of this list was to let different archive
350 * format readers expose their general capabilities in terms of
351 * encryption.
352 */
353 #define ARCHIVE_READ_FORMAT_CAPS_NONE (0) /* no special capabilities */
354 #define ARCHIVE_READ_FORMAT_CAPS_ENCRYPT_DATA (1<<0) /* reader can detect encrypted data */
355 #define ARCHIVE_READ_FORMAT_CAPS_ENCRYPT_METADATA (1<<1) /* reader can detect encryptable metadata (pathname, mtime, etc.) */
356
357 /*
358 * Codes returned by archive_read_has_encrypted_entries().
359 *
360 * In case the archive does not support encryption detection at all
361 * ARCHIVE_READ_FORMAT_ENCRYPTION_UNSUPPORTED is returned. If the reader
362 * for some other reason (e.g. not enough bytes read) cannot say if
363 * there are encrypted entries, ARCHIVE_READ_FORMAT_ENCRYPTION_DONT_KNOW
364 * is returned.
365 */
366 #define ARCHIVE_READ_FORMAT_ENCRYPTION_UNSUPPORTED -2
367 #define ARCHIVE_READ_FORMAT_ENCRYPTION_DONT_KNOW -1
368
369 /*-
370 * Basic outline for reading an archive:
371 * 1) Ask archive_read_new for an archive reader object.
372 * 2) Update any global properties as appropriate.
373 * In particular, you'll certainly want to call appropriate
374 * archive_read_support_XXX functions.
375 * 3) Call archive_read_open_XXX to open the archive
376 * 4) Repeatedly call archive_read_next_header to get information about
377 * successive archive entries. Call archive_read_data to extract
378 * data for entries of interest.
379 * 5) Call archive_read_free to end processing.
380 */
381 __LA_DECL struct archive *archive_read_new(void);
382
383 /*
384 * The archive_read_support_XXX calls enable auto-detect for this
385 * archive handle. They also link in the necessary support code.
386 * For example, if you don't want bzlib linked in, don't invoke
387 * support_compression_bzip2(). The "all" functions provide the
388 * obvious shorthand.
389 */
390
391 #if ARCHIVE_VERSION_NUMBER < 4000000
392 __LA_DECL int archive_read_support_compression_all(struct archive *)
393 __LA_DEPRECATED;
394 __LA_DECL int archive_read_support_compression_bzip2(struct archive *)
395 __LA_DEPRECATED;
396 __LA_DECL int archive_read_support_compression_compress(struct archive *)
397 __LA_DEPRECATED;
398 __LA_DECL int archive_read_support_compression_gzip(struct archive *)
399 __LA_DEPRECATED;
400 __LA_DECL int archive_read_support_compression_lzip(struct archive *)
401 __LA_DEPRECATED;
402 __LA_DECL int archive_read_support_compression_lzma(struct archive *)
403 __LA_DEPRECATED;
404 __LA_DECL int archive_read_support_compression_none(struct archive *)
405 __LA_DEPRECATED;
406 __LA_DECL int archive_read_support_compression_program(struct archive *,
407 const char *command) __LA_DEPRECATED;
408 __LA_DECL int archive_read_support_compression_program_signature
409 (struct archive *, const char *,
410 const void * /* match */, size_t) __LA_DEPRECATED;
411
412 __LA_DECL int archive_read_support_compression_rpm(struct archive *)
413 __LA_DEPRECATED;
414 __LA_DECL int archive_read_support_compression_uu(struct archive *)
415 __LA_DEPRECATED;
416 __LA_DECL int archive_read_support_compression_xz(struct archive *)
417 __LA_DEPRECATED;
418 #endif
419
420 __LA_DECL int archive_read_support_filter_all(struct archive *);
421 __LA_DECL int archive_read_support_filter_bzip2(struct archive *);
422 __LA_DECL int archive_read_support_filter_compress(struct archive *);
423 __LA_DECL int archive_read_support_filter_gzip(struct archive *);
424 __LA_DECL int archive_read_support_filter_grzip(struct archive *);
425 __LA_DECL int archive_read_support_filter_lrzip(struct archive *);
426 __LA_DECL int archive_read_support_filter_lz4(struct archive *);
427 __LA_DECL int archive_read_support_filter_lzip(struct archive *);
428 __LA_DECL int archive_read_support_filter_lzma(struct archive *);
429 __LA_DECL int archive_read_support_filter_lzop(struct archive *);
430 __LA_DECL int archive_read_support_filter_none(struct archive *);
431 __LA_DECL int archive_read_support_filter_program(struct archive *,
432 const char *command);
433 __LA_DECL int archive_read_support_filter_program_signature
434 (struct archive *, const char * /* cmd */,
435 const void * /* match */, size_t);
436 __LA_DECL int archive_read_support_filter_rpm(struct archive *);
437 __LA_DECL int archive_read_support_filter_uu(struct archive *);
438 __LA_DECL int archive_read_support_filter_xz(struct archive *);
439 __LA_DECL int archive_read_support_filter_zstd(struct archive *);
440
441 __LA_DECL int archive_read_support_format_7zip(struct archive *);
442 __LA_DECL int archive_read_support_format_all(struct archive *);
443 __LA_DECL int archive_read_support_format_ar(struct archive *);
444 __LA_DECL int archive_read_support_format_by_code(struct archive *, int);
445 __LA_DECL int archive_read_support_format_cab(struct archive *);
446 __LA_DECL int archive_read_support_format_cpio(struct archive *);
447 __LA_DECL int archive_read_support_format_empty(struct archive *);
448 __LA_DECL int archive_read_support_format_gnutar(struct archive *);
449 __LA_DECL int archive_read_support_format_iso9660(struct archive *);
450 __LA_DECL int archive_read_support_format_lha(struct archive *);
451 __LA_DECL int archive_read_support_format_mtree(struct archive *);
452 __LA_DECL int archive_read_support_format_rar(struct archive *);
453 __LA_DECL int archive_read_support_format_rar5(struct archive *);
454 __LA_DECL int archive_read_support_format_raw(struct archive *);
455 __LA_DECL int archive_read_support_format_tar(struct archive *);
456 __LA_DECL int archive_read_support_format_warc(struct archive *);
457 __LA_DECL int archive_read_support_format_xar(struct archive *);
458 /* archive_read_support_format_zip() enables both streamable and seekable
459 * zip readers. */
460 __LA_DECL int archive_read_support_format_zip(struct archive *);
461 /* Reads Zip archives as stream from beginning to end. Doesn't
462 * correctly handle SFX ZIP files or ZIP archives that have been modified
463 * in-place. */
464 __LA_DECL int archive_read_support_format_zip_streamable(struct archive *);
465 /* Reads starting from central directory; requires seekable input. */
466 __LA_DECL int archive_read_support_format_zip_seekable(struct archive *);
467
468 /* Functions to manually set the format and filters to be used. This is
469 * useful to bypass the bidding process when the format and filters to use
470 * is known in advance.
471 */
472 __LA_DECL int archive_read_set_format(struct archive *, int);
473 __LA_DECL int archive_read_append_filter(struct archive *, int);
474 __LA_DECL int archive_read_append_filter_program(struct archive *,
475 const char *);
476 __LA_DECL int archive_read_append_filter_program_signature
477 (struct archive *, const char *, const void * /* match */, size_t);
478
479 /* Set various callbacks. */
480 __LA_DECL int archive_read_set_open_callback(struct archive *,
481 archive_open_callback *);
482 __LA_DECL int archive_read_set_read_callback(struct archive *,
483 archive_read_callback *);
484 __LA_DECL int archive_read_set_seek_callback(struct archive *,
485 archive_seek_callback *);
486 __LA_DECL int archive_read_set_skip_callback(struct archive *,
487 archive_skip_callback *);
488 __LA_DECL int archive_read_set_close_callback(struct archive *,
489 archive_close_callback *);
490 /* Callback used to switch between one data object to the next */
491 __LA_DECL int archive_read_set_switch_callback(struct archive *,
492 archive_switch_callback *);
493
494 /* This sets the first data object. */
495 __LA_DECL int archive_read_set_callback_data(struct archive *, void *);
496 /* This sets data object at specified index */
497 __LA_DECL int archive_read_set_callback_data2(struct archive *, void *,
498 unsigned int);
499 /* This adds a data object at the specified index. */
500 __LA_DECL int archive_read_add_callback_data(struct archive *, void *,
501 unsigned int);
502 /* This appends a data object to the end of list */
503 __LA_DECL int archive_read_append_callback_data(struct archive *, void *);
504 /* This prepends a data object to the beginning of list */
505 __LA_DECL int archive_read_prepend_callback_data(struct archive *, void *);
506
507 /* Opening freezes the callbacks. */
508 __LA_DECL int archive_read_open1(struct archive *);
509
510 /* Convenience wrappers around the above. */
511 __LA_DECL int archive_read_open(struct archive *, void *_client_data,
512 archive_open_callback *, archive_read_callback *,
513 archive_close_callback *);
514 __LA_DECL int archive_read_open2(struct archive *, void *_client_data,
515 archive_open_callback *, archive_read_callback *,
516 archive_skip_callback *, archive_close_callback *);
517
518 /*
519 * A variety of shortcuts that invoke archive_read_open() with
520 * canned callbacks suitable for common situations. The ones that
521 * accept a block size handle tape blocking correctly.
522 */
523 /* Use this if you know the filename. Note: NULL indicates stdin. */
524 __LA_DECL int archive_read_open_filename(struct archive *,
525 const char *_filename, size_t _block_size);
526 /* Use this for reading multivolume files by filenames.
527 * NOTE: Must be NULL terminated. Sorting is NOT done. */
528 __LA_DECL int archive_read_open_filenames(struct archive *,
529 const char **_filenames, size_t _block_size);
530 __LA_DECL int archive_read_open_filename_w(struct archive *,
531 const wchar_t *_filename, size_t _block_size);
532 /* archive_read_open_file() is a deprecated synonym for ..._open_filename(). */
533 __LA_DECL int archive_read_open_file(struct archive *,
534 const char *_filename, size_t _block_size) __LA_DEPRECATED;
535 /* Read an archive that's stored in memory. */
536 __LA_DECL int archive_read_open_memory(struct archive *,
537 const void * buff, size_t size);
538 /* A more involved version that is only used for internal testing. */
539 __LA_DECL int archive_read_open_memory2(struct archive *a, const void *buff,
540 size_t size, size_t read_size);
541 /* Read an archive that's already open, using the file descriptor. */
542 __LA_DECL int archive_read_open_fd(struct archive *, int _fd,
543 size_t _block_size);
544 /* Read an archive that's already open, using a FILE *. */
545 /* Note: DO NOT use this with tape drives. */
546 __LA_DECL int archive_read_open_FILE(struct archive *, FILE *_file);
547
548 /* Parses and returns next entry header. */
549 __LA_DECL int archive_read_next_header(struct archive *,
550 struct archive_entry **);
551
552 /* Parses and returns next entry header using the archive_entry passed in */
553 __LA_DECL int archive_read_next_header2(struct archive *,
554 struct archive_entry *);
555
556 /*
557 * Retrieve the byte offset in UNCOMPRESSED data where last-read
558 * header started.
559 */
560 __LA_DECL la_int64_t archive_read_header_position(struct archive *);
561
562 /*
563 * Returns 1 if the archive contains at least one encrypted entry.
564 * If the archive format not support encryption at all
565 * ARCHIVE_READ_FORMAT_ENCRYPTION_UNSUPPORTED is returned.
566 * If for any other reason (e.g. not enough data read so far)
567 * we cannot say whether there are encrypted entries, then
568 * ARCHIVE_READ_FORMAT_ENCRYPTION_DONT_KNOW is returned.
569 * In general, this function will return values below zero when the
570 * reader is uncertain or totally incapable of encryption support.
571 * When this function returns 0 you can be sure that the reader
572 * supports encryption detection but no encrypted entries have
573 * been found yet.
574 *
575 * NOTE: If the metadata/header of an archive is also encrypted, you
576 * cannot rely on the number of encrypted entries. That is why this
577 * function does not return the number of encrypted entries but#
578 * just shows that there are some.
579 */
580 __LA_DECL int archive_read_has_encrypted_entries(struct archive *);
581
582 /*
583 * Returns a bitmask of capabilities that are supported by the archive format reader.
584 * If the reader has no special capabilities, ARCHIVE_READ_FORMAT_CAPS_NONE is returned.
585 */
586 __LA_DECL int archive_read_format_capabilities(struct archive *);
587
588 /* Read data from the body of an entry. Similar to read(2). */
589 __LA_DECL la_ssize_t archive_read_data(struct archive *,
590 void *, size_t);
591
592 /* Seek within the body of an entry. Similar to lseek(2). */
593 __LA_DECL la_int64_t archive_seek_data(struct archive *, la_int64_t, int);
594
595 /*
596 * A zero-copy version of archive_read_data that also exposes the file offset
597 * of each returned block. Note that the client has no way to specify
598 * the desired size of the block. The API does guarantee that offsets will
599 * be strictly increasing and that returned blocks will not overlap.
600 */
601 __LA_DECL int archive_read_data_block(struct archive *a,
602 const void **buff, size_t *size, la_int64_t *offset);
603
604 /*-
605 * Some convenience functions that are built on archive_read_data:
606 * 'skip': skips entire entry
607 * 'into_buffer': writes data into memory buffer that you provide
608 * 'into_fd': writes data to specified filedes
609 */
610 __LA_DECL int archive_read_data_skip(struct archive *);
611 __LA_DECL int archive_read_data_into_fd(struct archive *, int fd);
612
613 /*
614 * Set read options.
615 */
616 /* Apply option to the format only. */
617 __LA_DECL int archive_read_set_format_option(struct archive *_a,
618 const char *m, const char *o,
619 const char *v);
620 /* Apply option to the filter only. */
621 __LA_DECL int archive_read_set_filter_option(struct archive *_a,
622 const char *m, const char *o,
623 const char *v);
624 /* Apply option to both the format and the filter. */
625 __LA_DECL int archive_read_set_option(struct archive *_a,
626 const char *m, const char *o,
627 const char *v);
628 /* Apply option string to both the format and the filter. */
629 __LA_DECL int archive_read_set_options(struct archive *_a,
630 const char *opts);
631
632 /*
633 * Add a decryption passphrase.
634 */
635 __LA_DECL int archive_read_add_passphrase(struct archive *, const char *);
636 __LA_DECL int archive_read_set_passphrase_callback(struct archive *,
637 void *client_data, archive_passphrase_callback *);
638
639
640 /*-
641 * Convenience function to recreate the current entry (whose header
642 * has just been read) on disk.
643 *
644 * This does quite a bit more than just copy data to disk. It also:
645 * - Creates intermediate directories as required.
646 * - Manages directory permissions: non-writable directories will
647 * be initially created with write permission enabled; when the
648 * archive is closed, dir permissions are edited to the values specified
649 * in the archive.
650 * - Checks hardlinks: hardlinks will not be extracted unless the
651 * linked-to file was also extracted within the same session. (TODO)
652 */
653
654 /* The "flags" argument selects optional behavior, 'OR' the flags you want. */
655
656 /* Default: Do not try to set owner/group. */
657 #define ARCHIVE_EXTRACT_OWNER (0x0001)
658 /* Default: Do obey umask, do not restore SUID/SGID/SVTX bits. */
659 #define ARCHIVE_EXTRACT_PERM (0x0002)
660 /* Default: Do not restore mtime/atime. */
661 #define ARCHIVE_EXTRACT_TIME (0x0004)
662 /* Default: Replace existing files. */
663 #define ARCHIVE_EXTRACT_NO_OVERWRITE (0x0008)
664 /* Default: Try create first, unlink only if create fails with EEXIST. */
665 #define ARCHIVE_EXTRACT_UNLINK (0x0010)
666 /* Default: Do not restore ACLs. */
667 #define ARCHIVE_EXTRACT_ACL (0x0020)
668 /* Default: Do not restore fflags. */
669 #define ARCHIVE_EXTRACT_FFLAGS (0x0040)
670 /* Default: Do not restore xattrs. */
671 #define ARCHIVE_EXTRACT_XATTR (0x0080)
672 /* Default: Do not try to guard against extracts redirected by symlinks. */
673 /* Note: With ARCHIVE_EXTRACT_UNLINK, will remove any intermediate symlink. */
674 #define ARCHIVE_EXTRACT_SECURE_SYMLINKS (0x0100)
675 /* Default: Do not reject entries with '..' as path elements. */
676 #define ARCHIVE_EXTRACT_SECURE_NODOTDOT (0x0200)
677 /* Default: Create parent directories as needed. */
678 #define ARCHIVE_EXTRACT_NO_AUTODIR (0x0400)
679 /* Default: Overwrite files, even if one on disk is newer. */
680 #define ARCHIVE_EXTRACT_NO_OVERWRITE_NEWER (0x0800)
681 /* Detect blocks of 0 and write holes instead. */
682 #define ARCHIVE_EXTRACT_SPARSE (0x1000)
683 /* Default: Do not restore Mac extended metadata. */
684 /* This has no effect except on Mac OS. */
685 #define ARCHIVE_EXTRACT_MAC_METADATA (0x2000)
686 /* Default: Use HFS+ compression if it was compressed. */
687 /* This has no effect except on Mac OS v10.6 or later. */
688 #define ARCHIVE_EXTRACT_NO_HFS_COMPRESSION (0x4000)
689 /* Default: Do not use HFS+ compression if it was not compressed. */
690 /* This has no effect except on Mac OS v10.6 or later. */
691 #define ARCHIVE_EXTRACT_HFS_COMPRESSION_FORCED (0x8000)
692 /* Default: Do not reject entries with absolute paths */
693 #define ARCHIVE_EXTRACT_SECURE_NOABSOLUTEPATHS (0x10000)
694 /* Default: Do not clear no-change flags when unlinking object */
695 #define ARCHIVE_EXTRACT_CLEAR_NOCHANGE_FFLAGS (0x20000)
696
697 __LA_DECL int archive_read_extract(struct archive *, struct archive_entry *,
698 int flags);
699 __LA_DECL int archive_read_extract2(struct archive *, struct archive_entry *,
700 struct archive * /* dest */);
701 __LA_DECL void archive_read_extract_set_progress_callback(struct archive *,
702 void (*_progress_func)(void *), void *_user_data);
703
704 /* Record the dev/ino of a file that will not be written. This is
705 * generally set to the dev/ino of the archive being read. */
706 __LA_DECL void archive_read_extract_set_skip_file(struct archive *,
707 la_int64_t, la_int64_t);
708
709 /* Close the file and release most resources. */
710 __LA_DECL int archive_read_close(struct archive *);
711 /* Release all resources and destroy the object. */
712 /* Note that archive_read_free will call archive_read_close for you. */
713 __LA_DECL int archive_read_free(struct archive *);
714 #if ARCHIVE_VERSION_NUMBER < 4000000
715 /* Synonym for archive_read_free() for backwards compatibility. */
716 __LA_DECL int archive_read_finish(struct archive *) __LA_DEPRECATED;
717 #endif
718
719 /*-
720 * To create an archive:
721 * 1) Ask archive_write_new for an archive writer object.
722 * 2) Set any global properties. In particular, you should set
723 * the compression and format to use.
724 * 3) Call archive_write_open to open the file (most people
725 * will use archive_write_open_file or archive_write_open_fd,
726 * which provide convenient canned I/O callbacks for you).
727 * 4) For each entry:
728 * - construct an appropriate struct archive_entry structure
729 * - archive_write_header to write the header
730 * - archive_write_data to write the entry data
731 * 5) archive_write_close to close the output
732 * 6) archive_write_free to cleanup the writer and release resources
733 */
734 __LA_DECL struct archive *archive_write_new(void);
735 __LA_DECL int archive_write_set_bytes_per_block(struct archive *,
736 int bytes_per_block);
737 __LA_DECL int archive_write_get_bytes_per_block(struct archive *);
738 /* XXX This is badly misnamed; suggestions appreciated. XXX */
739 __LA_DECL int archive_write_set_bytes_in_last_block(struct archive *,
740 int bytes_in_last_block);
741 __LA_DECL int archive_write_get_bytes_in_last_block(struct archive *);
742
743 /* The dev/ino of a file that won't be archived. This is used
744 * to avoid recursively adding an archive to itself. */
745 __LA_DECL int archive_write_set_skip_file(struct archive *,
746 la_int64_t, la_int64_t);
747
748 #if ARCHIVE_VERSION_NUMBER < 4000000
749 __LA_DECL int archive_write_set_compression_bzip2(struct archive *)
750 __LA_DEPRECATED;
751 __LA_DECL int archive_write_set_compression_compress(struct archive *)
752 __LA_DEPRECATED;
753 __LA_DECL int archive_write_set_compression_gzip(struct archive *)
754 __LA_DEPRECATED;
755 __LA_DECL int archive_write_set_compression_lzip(struct archive *)
756 __LA_DEPRECATED;
757 __LA_DECL int archive_write_set_compression_lzma(struct archive *)
758 __LA_DEPRECATED;
759 __LA_DECL int archive_write_set_compression_none(struct archive *)
760 __LA_DEPRECATED;
761 __LA_DECL int archive_write_set_compression_program(struct archive *,
762 const char *cmd) __LA_DEPRECATED;
763 __LA_DECL int archive_write_set_compression_xz(struct archive *)
764 __LA_DEPRECATED;
765 #endif
766
767 /* A convenience function to set the filter based on the code. */
768 __LA_DECL int archive_write_add_filter(struct archive *, int filter_code);
769 __LA_DECL int archive_write_add_filter_by_name(struct archive *,
770 const char *name);
771 __LA_DECL int archive_write_add_filter_b64encode(struct archive *);
772 __LA_DECL int archive_write_add_filter_bzip2(struct archive *);
773 __LA_DECL int archive_write_add_filter_compress(struct archive *);
774 __LA_DECL int archive_write_add_filter_grzip(struct archive *);
775 __LA_DECL int archive_write_add_filter_gzip(struct archive *);
776 __LA_DECL int archive_write_add_filter_lrzip(struct archive *);
777 __LA_DECL int archive_write_add_filter_lz4(struct archive *);
778 __LA_DECL int archive_write_add_filter_lzip(struct archive *);
779 __LA_DECL int archive_write_add_filter_lzma(struct archive *);
780 __LA_DECL int archive_write_add_filter_lzop(struct archive *);
781 __LA_DECL int archive_write_add_filter_none(struct archive *);
782 __LA_DECL int archive_write_add_filter_program(struct archive *,
783 const char *cmd);
784 __LA_DECL int archive_write_add_filter_uuencode(struct archive *);
785 __LA_DECL int archive_write_add_filter_xz(struct archive *);
786 __LA_DECL int archive_write_add_filter_zstd(struct archive *);
787
788
789 /* A convenience function to set the format based on the code or name. */
790 __LA_DECL int archive_write_set_format(struct archive *, int format_code);
791 __LA_DECL int archive_write_set_format_by_name(struct archive *,
792 const char *name);
793 /* To minimize link pollution, use one or more of the following. */
794 __LA_DECL int archive_write_set_format_7zip(struct archive *);
795 __LA_DECL int archive_write_set_format_ar_bsd(struct archive *);
796 __LA_DECL int archive_write_set_format_ar_svr4(struct archive *);
797 __LA_DECL int archive_write_set_format_cpio(struct archive *);
798 __LA_DECL int archive_write_set_format_cpio_newc(struct archive *);
799 __LA_DECL int archive_write_set_format_gnutar(struct archive *);
800 __LA_DECL int archive_write_set_format_iso9660(struct archive *);
801 __LA_DECL int archive_write_set_format_mtree(struct archive *);
802 __LA_DECL int archive_write_set_format_mtree_classic(struct archive *);
803 /* TODO: int archive_write_set_format_old_tar(struct archive *); */
804 __LA_DECL int archive_write_set_format_pax(struct archive *);
805 __LA_DECL int archive_write_set_format_pax_restricted(struct archive *);
806 __LA_DECL int archive_write_set_format_raw(struct archive *);
807 __LA_DECL int archive_write_set_format_shar(struct archive *);
808 __LA_DECL int archive_write_set_format_shar_dump(struct archive *);
809 __LA_DECL int archive_write_set_format_ustar(struct archive *);
810 __LA_DECL int archive_write_set_format_v7tar(struct archive *);
811 __LA_DECL int archive_write_set_format_warc(struct archive *);
812 __LA_DECL int archive_write_set_format_xar(struct archive *);
813 __LA_DECL int archive_write_set_format_zip(struct archive *);
814 __LA_DECL int archive_write_set_format_filter_by_ext(struct archive *a, const char *filename);
815 __LA_DECL int archive_write_set_format_filter_by_ext_def(struct archive *a, const char *filename, const char * def_ext);
816 __LA_DECL int archive_write_zip_set_compression_deflate(struct archive *);
817 __LA_DECL int archive_write_zip_set_compression_store(struct archive *);
818 __LA_DECL int archive_write_open(struct archive *, void *,
819 archive_open_callback *, archive_write_callback *,
820 archive_close_callback *);
821 __LA_DECL int archive_write_open_fd(struct archive *, int _fd);
822 __LA_DECL int archive_write_open_filename(struct archive *, const char *_file);
823 __LA_DECL int archive_write_open_filename_w(struct archive *,
824 const wchar_t *_file);
825 /* A deprecated synonym for archive_write_open_filename() */
826 __LA_DECL int archive_write_open_file(struct archive *, const char *_file)
827 __LA_DEPRECATED;
828 __LA_DECL int archive_write_open_FILE(struct archive *, FILE *);
829 /* _buffSize is the size of the buffer, _used refers to a variable that
830 * will be updated after each write into the buffer. */
831 __LA_DECL int archive_write_open_memory(struct archive *,
832 void *_buffer, size_t _buffSize, size_t *_used);
833
834 /*
835 * Note that the library will truncate writes beyond the size provided
836 * to archive_write_header or pad if the provided data is short.
837 */
838 __LA_DECL int archive_write_header(struct archive *,
839 struct archive_entry *);
840 __LA_DECL la_ssize_t archive_write_data(struct archive *,
841 const void *, size_t);
842
843 /* This interface is currently only available for archive_write_disk handles. */
844 __LA_DECL la_ssize_t archive_write_data_block(struct archive *,
845 const void *, size_t, la_int64_t);
846
847 __LA_DECL int archive_write_finish_entry(struct archive *);
848 __LA_DECL int archive_write_close(struct archive *);
849 /* Marks the archive as FATAL so that a subsequent free() operation
850 * won't try to close() cleanly. Provides a fast abort capability
851 * when the client discovers that things have gone wrong. */
852 __LA_DECL int archive_write_fail(struct archive *);
853 /* This can fail if the archive wasn't already closed, in which case
854 * archive_write_free() will implicitly call archive_write_close(). */
855 __LA_DECL int archive_write_free(struct archive *);
856 #if ARCHIVE_VERSION_NUMBER < 4000000
857 /* Synonym for archive_write_free() for backwards compatibility. */
858 __LA_DECL int archive_write_finish(struct archive *) __LA_DEPRECATED;
859 #endif
860
861 /*
862 * Set write options.
863 */
864 /* Apply option to the format only. */
865 __LA_DECL int archive_write_set_format_option(struct archive *_a,
866 const char *m, const char *o,
867 const char *v);
868 /* Apply option to the filter only. */
869 __LA_DECL int archive_write_set_filter_option(struct archive *_a,
870 const char *m, const char *o,
871 const char *v);
872 /* Apply option to both the format and the filter. */
873 __LA_DECL int archive_write_set_option(struct archive *_a,
874 const char *m, const char *o,
875 const char *v);
876 /* Apply option string to both the format and the filter. */
877 __LA_DECL int archive_write_set_options(struct archive *_a,
878 const char *opts);
879
880 /*
881 * Set a encryption passphrase.
882 */
883 __LA_DECL int archive_write_set_passphrase(struct archive *_a, const char *p);
884 __LA_DECL int archive_write_set_passphrase_callback(struct archive *,
885 void *client_data, archive_passphrase_callback *);
886
887 /*-
888 * ARCHIVE_WRITE_DISK API
889 *
890 * To create objects on disk:
891 * 1) Ask archive_write_disk_new for a new archive_write_disk object.
892 * 2) Set any global properties. In particular, you probably
893 * want to set the options.
894 * 3) For each entry:
895 * - construct an appropriate struct archive_entry structure
896 * - archive_write_header to create the file/dir/etc on disk
897 * - archive_write_data to write the entry data
898 * 4) archive_write_free to cleanup the writer and release resources
899 *
900 * In particular, you can use this in conjunction with archive_read()
901 * to pull entries out of an archive and create them on disk.
902 */
903 __LA_DECL struct archive *archive_write_disk_new(void);
904 /* This file will not be overwritten. */
905 __LA_DECL int archive_write_disk_set_skip_file(struct archive *,
906 la_int64_t, la_int64_t);
907 /* Set flags to control how the next item gets created.
908 * This accepts a bitmask of ARCHIVE_EXTRACT_XXX flags defined above. */
909 __LA_DECL int archive_write_disk_set_options(struct archive *,
910 int flags);
911 /*
912 * The lookup functions are given uname/uid (or gname/gid) pairs and
913 * return a uid (gid) suitable for this system. These are used for
914 * restoring ownership and for setting ACLs. The default functions
915 * are naive, they just return the uid/gid. These are small, so reasonable
916 * for applications that don't need to preserve ownership; they
917 * are probably also appropriate for applications that are doing
918 * same-system backup and restore.
919 */
920 /*
921 * The "standard" lookup functions use common system calls to lookup
922 * the uname/gname, falling back to the uid/gid if the names can't be
923 * found. They cache lookups and are reasonably fast, but can be very
924 * large, so they are not used unless you ask for them. In
925 * particular, these match the specifications of POSIX "pax" and old
926 * POSIX "tar".
927 */
928 __LA_DECL int archive_write_disk_set_standard_lookup(struct archive *);
929 /*
930 * If neither the default (naive) nor the standard (big) functions suit
931 * your needs, you can write your own and register them. Be sure to
932 * include a cleanup function if you have allocated private data.
933 */
934 __LA_DECL int archive_write_disk_set_group_lookup(struct archive *,
935 void * /* private_data */,
936 la_int64_t (*)(void *, const char *, la_int64_t),
937 void (* /* cleanup */)(void *));
938 __LA_DECL int archive_write_disk_set_user_lookup(struct archive *,
939 void * /* private_data */,
940 la_int64_t (*)(void *, const char *, la_int64_t),
941 void (* /* cleanup */)(void *));
942 __LA_DECL la_int64_t archive_write_disk_gid(struct archive *, const char *, la_int64_t);
943 __LA_DECL la_int64_t archive_write_disk_uid(struct archive *, const char *, la_int64_t);
944
945 /*
946 * ARCHIVE_READ_DISK API
947 *
948 * This is still evolving and somewhat experimental.
949 */
950 __LA_DECL struct archive *archive_read_disk_new(void);
951 /* The names for symlink modes here correspond to an old BSD
952 * command-line argument convention: -L, -P, -H */
953 /* Follow all symlinks. */
954 __LA_DECL int archive_read_disk_set_symlink_logical(struct archive *);
955 /* Follow no symlinks. */
956 __LA_DECL int archive_read_disk_set_symlink_physical(struct archive *);
957 /* Follow symlink initially, then not. */
958 __LA_DECL int archive_read_disk_set_symlink_hybrid(struct archive *);
959 /* TODO: Handle Linux stat32/stat64 ugliness. <sigh> */
960 __LA_DECL int archive_read_disk_entry_from_file(struct archive *,
961 struct archive_entry *, int /* fd */, const struct stat *);
962 /* Look up gname for gid or uname for uid. */
963 /* Default implementations are very, very stupid. */
964 __LA_DECL const char *archive_read_disk_gname(struct archive *, la_int64_t);
965 __LA_DECL const char *archive_read_disk_uname(struct archive *, la_int64_t);
966 /* "Standard" implementation uses getpwuid_r, getgrgid_r and caches the
967 * results for performance. */
968 __LA_DECL int archive_read_disk_set_standard_lookup(struct archive *);
969 /* You can install your own lookups if you like. */
970 __LA_DECL int archive_read_disk_set_gname_lookup(struct archive *,
971 void * /* private_data */,
972 const char *(* /* lookup_fn */)(void *, la_int64_t),
973 void (* /* cleanup_fn */)(void *));
974 __LA_DECL int archive_read_disk_set_uname_lookup(struct archive *,
975 void * /* private_data */,
976 const char *(* /* lookup_fn */)(void *, la_int64_t),
977 void (* /* cleanup_fn */)(void *));
978 /* Start traversal. */
979 __LA_DECL int archive_read_disk_open(struct archive *, const char *);
980 __LA_DECL int archive_read_disk_open_w(struct archive *, const wchar_t *);
981 /*
982 * Request that current entry be visited. If you invoke it on every
983 * directory, you'll get a physical traversal. This is ignored if the
984 * current entry isn't a directory or a link to a directory. So, if
985 * you invoke this on every returned path, you'll get a full logical
986 * traversal.
987 */
988 __LA_DECL int archive_read_disk_descend(struct archive *);
989 __LA_DECL int archive_read_disk_can_descend(struct archive *);
990 __LA_DECL int archive_read_disk_current_filesystem(struct archive *);
991 __LA_DECL int archive_read_disk_current_filesystem_is_synthetic(struct archive *);
992 __LA_DECL int archive_read_disk_current_filesystem_is_remote(struct archive *);
993 /* Request that the access time of the entry visited by traversal be restored. */
994 __LA_DECL int archive_read_disk_set_atime_restored(struct archive *);
995 /*
996 * Set behavior. The "flags" argument selects optional behavior.
997 */
998 /* Request that the access time of the entry visited by traversal be restored.
999 * This is the same as archive_read_disk_set_atime_restored. */
1000 #define ARCHIVE_READDISK_RESTORE_ATIME (0x0001)
1001 /* Default: Do not skip an entry which has nodump flags. */
1002 #define ARCHIVE_READDISK_HONOR_NODUMP (0x0002)
1003 /* Default: Skip a mac resource fork file whose prefix is "._" because of
1004 * using copyfile. */
1005 #define ARCHIVE_READDISK_MAC_COPYFILE (0x0004)
1006 /* Default: Traverse mount points. */
1007 #define ARCHIVE_READDISK_NO_TRAVERSE_MOUNTS (0x0008)
1008 /* Default: Xattrs are read from disk. */
1009 #define ARCHIVE_READDISK_NO_XATTR (0x0010)
1010 /* Default: ACLs are read from disk. */
1011 #define ARCHIVE_READDISK_NO_ACL (0x0020)
1012 /* Default: File flags are read from disk. */
1013 #define ARCHIVE_READDISK_NO_FFLAGS (0x0040)
1014
1015 __LA_DECL int archive_read_disk_set_behavior(struct archive *,
1016 int flags);
1017
1018 /*
1019 * Set archive_match object that will be used in archive_read_disk to
1020 * know whether an entry should be skipped. The callback function
1021 * _excluded_func will be invoked when an entry is skipped by the result
1022 * of archive_match.
1023 */
1024 __LA_DECL int archive_read_disk_set_matching(struct archive *,
1025 struct archive *_matching, void (*_excluded_func)
1026 (struct archive *, void *, struct archive_entry *),
1027 void *_client_data);
1028 __LA_DECL int archive_read_disk_set_metadata_filter_callback(struct archive *,
1029 int (*_metadata_filter_func)(struct archive *, void *,
1030 struct archive_entry *), void *_client_data);
1031
1032 /* Simplified cleanup interface;
1033 * This calls archive_read_free() or archive_write_free() as needed. */
1034 __LA_DECL int archive_free(struct archive *);
1035
1036 /*
1037 * Accessor functions to read/set various information in
1038 * the struct archive object:
1039 */
1040
1041 /* Number of filters in the current filter pipeline. */
1042 /* Filter #0 is the one closest to the format, -1 is a synonym for the
1043 * last filter, which is always the pseudo-filter that wraps the
1044 * client callbacks. */
1045 __LA_DECL int archive_filter_count(struct archive *);
1046 __LA_DECL la_int64_t archive_filter_bytes(struct archive *, int);
1047 __LA_DECL int archive_filter_code(struct archive *, int);
1048 __LA_DECL const char * archive_filter_name(struct archive *, int);
1049
1050 #if ARCHIVE_VERSION_NUMBER < 4000000
1051 /* These don't properly handle multiple filters, so are deprecated and
1052 * will eventually be removed. */
1053 /* As of libarchive 3.0, this is an alias for archive_filter_bytes(a, -1); */
1054 __LA_DECL la_int64_t archive_position_compressed(struct archive *)
1055 __LA_DEPRECATED;
1056 /* As of libarchive 3.0, this is an alias for archive_filter_bytes(a, 0); */
1057 __LA_DECL la_int64_t archive_position_uncompressed(struct archive *)
1058 __LA_DEPRECATED;
1059 /* As of libarchive 3.0, this is an alias for archive_filter_name(a, 0); */
1060 __LA_DECL const char *archive_compression_name(struct archive *)
1061 __LA_DEPRECATED;
1062 /* As of libarchive 3.0, this is an alias for archive_filter_code(a, 0); */
1063 __LA_DECL int archive_compression(struct archive *)
1064 __LA_DEPRECATED;
1065 #endif
1066
1067 __LA_DECL int archive_errno(struct archive *);
1068 __LA_DECL const char *archive_error_string(struct archive *);
1069 __LA_DECL const char *archive_format_name(struct archive *);
1070 __LA_DECL int archive_format(struct archive *);
1071 __LA_DECL void archive_clear_error(struct archive *);
1072 __LA_DECL void archive_set_error(struct archive *, int _err,
1073 const char *fmt, ...) __LA_PRINTF(3, 4);
1074 __LA_DECL void archive_copy_error(struct archive *dest,
1075 struct archive *src);
1076 __LA_DECL int archive_file_count(struct archive *);
1077
1078 /*
1079 * ARCHIVE_MATCH API
1080 */
1081 __LA_DECL struct archive *archive_match_new(void);
1082 __LA_DECL int archive_match_free(struct archive *);
1083
1084 /*
1085 * Test if archive_entry is excluded.
1086 * This is a convenience function. This is the same as calling all
1087 * archive_match_path_excluded, archive_match_time_excluded
1088 * and archive_match_owner_excluded.
1089 */
1090 __LA_DECL int archive_match_excluded(struct archive *,
1091 struct archive_entry *);
1092
1093 /*
1094 * Test if pathname is excluded. The conditions are set by following functions.
1095 */
1096 __LA_DECL int archive_match_path_excluded(struct archive *,
1097 struct archive_entry *);
1098 /* Add exclusion pathname pattern. */
1099 __LA_DECL int archive_match_exclude_pattern(struct archive *, const char *);
1100 __LA_DECL int archive_match_exclude_pattern_w(struct archive *,
1101 const wchar_t *);
1102 /* Add exclusion pathname pattern from file. */
1103 __LA_DECL int archive_match_exclude_pattern_from_file(struct archive *,
1104 const char *, int _nullSeparator);
1105 __LA_DECL int archive_match_exclude_pattern_from_file_w(struct archive *,
1106 const wchar_t *, int _nullSeparator);
1107 /* Add inclusion pathname pattern. */
1108 __LA_DECL int archive_match_include_pattern(struct archive *, const char *);
1109 __LA_DECL int archive_match_include_pattern_w(struct archive *,
1110 const wchar_t *);
1111 /* Add inclusion pathname pattern from file. */
1112 __LA_DECL int archive_match_include_pattern_from_file(struct archive *,
1113 const char *, int _nullSeparator);
1114 __LA_DECL int archive_match_include_pattern_from_file_w(struct archive *,
1115 const wchar_t *, int _nullSeparator);
1116 /*
1117 * How to get statistic information for inclusion patterns.
1118 */
1119 /* Return the amount number of unmatched inclusion patterns. */
1120 __LA_DECL int archive_match_path_unmatched_inclusions(struct archive *);
1121 /* Return the pattern of unmatched inclusion with ARCHIVE_OK.
1122 * Return ARCHIVE_EOF if there is no inclusion pattern. */
1123 __LA_DECL int archive_match_path_unmatched_inclusions_next(
1124 struct archive *, const char **);
1125 __LA_DECL int archive_match_path_unmatched_inclusions_next_w(
1126 struct archive *, const wchar_t **);
1127
1128 /*
1129 * Test if a file is excluded by its time stamp.
1130 * The conditions are set by following functions.
1131 */
1132 __LA_DECL int archive_match_time_excluded(struct archive *,
1133 struct archive_entry *);
1134
1135 /*
1136 * Flags to tell a matching type of time stamps. These are used for
1137 * following functions.
1138 */
1139 /* Time flag: mtime to be tested. */
1140 #define ARCHIVE_MATCH_MTIME (0x0100)
1141 /* Time flag: ctime to be tested. */
1142 #define ARCHIVE_MATCH_CTIME (0x0200)
1143 /* Comparison flag: Match the time if it is newer than. */
1144 #define ARCHIVE_MATCH_NEWER (0x0001)
1145 /* Comparison flag: Match the time if it is older than. */
1146 #define ARCHIVE_MATCH_OLDER (0x0002)
1147 /* Comparison flag: Match the time if it is equal to. */
1148 #define ARCHIVE_MATCH_EQUAL (0x0010)
1149 /* Set inclusion time. */
1150 __LA_DECL int archive_match_include_time(struct archive *, int _flag,
1151 time_t _sec, long _nsec);
1152 /* Set inclusion time by a date string. */
1153 __LA_DECL int archive_match_include_date(struct archive *, int _flag,
1154 const char *_datestr);
1155 __LA_DECL int archive_match_include_date_w(struct archive *, int _flag,
1156 const wchar_t *_datestr);
1157 /* Set inclusion time by a particular file. */
1158 __LA_DECL int archive_match_include_file_time(struct archive *,
1159 int _flag, const char *_pathname);
1160 __LA_DECL int archive_match_include_file_time_w(struct archive *,
1161 int _flag, const wchar_t *_pathname);
1162 /* Add exclusion entry. */
1163 __LA_DECL int archive_match_exclude_entry(struct archive *,
1164 int _flag, struct archive_entry *);
1165
1166 /*
1167 * Test if a file is excluded by its uid ,gid, uname or gname.
1168 * The conditions are set by following functions.
1169 */
1170 __LA_DECL int archive_match_owner_excluded(struct archive *,
1171 struct archive_entry *);
1172 /* Add inclusion uid, gid, uname and gname. */
1173 __LA_DECL int archive_match_include_uid(struct archive *, la_int64_t);
1174 __LA_DECL int archive_match_include_gid(struct archive *, la_int64_t);
1175 __LA_DECL int archive_match_include_uname(struct archive *, const char *);
1176 __LA_DECL int archive_match_include_uname_w(struct archive *,
1177 const wchar_t *);
1178 __LA_DECL int archive_match_include_gname(struct archive *, const char *);
1179 __LA_DECL int archive_match_include_gname_w(struct archive *,
1180 const wchar_t *);
1181
1182 /* Utility functions */
1183 /* Convenience function to sort a NULL terminated list of strings */
1184 __LA_DECL int archive_utility_string_sort(char **);
1185
1186 #ifdef __cplusplus
1187 }
1188 #endif
1189
1190 /* These are meaningless outside of this header. */
1191 #undef __LA_DECL
1192
1193 #endif /* !ARCHIVE_H_INCLUDED */