archive.h revision 321303
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: stable/11/contrib/libarchive/libarchive/archive.h 321303 2017-07-20 20:15:38Z mm $ 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 3003002 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__) 67typedef __int64 la_int64_t; 68# else 69# include <unistd.h> /* ssize_t */ 70# if defined(_SCO_DS) || defined(__osf__) 71typedef long long la_int64_t; 72# else 73typedef 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_) 87typedef ssize_t la_ssize_t; 88# elif defined(_WIN64) 89typedef __int64 la_ssize_t; 90# else 91typedef long la_ssize_t; 92# endif 93# else 94# include <unistd.h> /* ssize_t */ 95typedef 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 142extern "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 "3.3.2" 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); 180 181/* Declare our basic types. */ 182struct archive; 183struct archive_entry; 184 185/* 186 * Error codes: Use archive_errno() and archive_error_string() 187 * to retrieve details. Unless specified otherwise, all functions 188 * that return 'int' use these codes. 189 */ 190#define ARCHIVE_EOF 1 /* Found end of archive. */ 191#define ARCHIVE_OK 0 /* Operation was successful. */ 192#define ARCHIVE_RETRY (-10) /* Retry might succeed. */ 193#define ARCHIVE_WARN (-20) /* Partial success. */ 194/* For example, if write_header "fails", then you can't push data. */ 195#define ARCHIVE_FAILED (-25) /* Current operation cannot complete. */ 196/* But if write_header is "fatal," then this archive is dead and useless. */ 197#define ARCHIVE_FATAL (-30) /* No more operations are possible. */ 198 199/* 200 * As far as possible, archive_errno returns standard platform errno codes. 201 * Of course, the details vary by platform, so the actual definitions 202 * here are stored in "archive_platform.h". The symbols are listed here 203 * for reference; as a rule, clients should not need to know the exact 204 * platform-dependent error code. 205 */ 206/* Unrecognized or invalid file format. */ 207/* #define ARCHIVE_ERRNO_FILE_FORMAT */ 208/* Illegal usage of the library. */ 209/* #define ARCHIVE_ERRNO_PROGRAMMER_ERROR */ 210/* Unknown or unclassified error. */ 211/* #define ARCHIVE_ERRNO_MISC */ 212 213/* 214 * Callbacks are invoked to automatically read/skip/write/open/close the 215 * archive. You can provide your own for complex tasks (like breaking 216 * archives across multiple tapes) or use standard ones built into the 217 * library. 218 */ 219 220/* Returns pointer and size of next block of data from archive. */ 221typedef la_ssize_t archive_read_callback(struct archive *, 222 void *_client_data, const void **_buffer); 223 224/* Skips at most request bytes from archive and returns the skipped amount. 225 * This may skip fewer bytes than requested; it may even skip zero bytes. 226 * If you do skip fewer bytes than requested, libarchive will invoke your 227 * read callback and discard data as necessary to make up the full skip. 228 */ 229typedef la_int64_t archive_skip_callback(struct archive *, 230 void *_client_data, la_int64_t request); 231 232/* Seeks to specified location in the file and returns the position. 233 * Whence values are SEEK_SET, SEEK_CUR, SEEK_END from stdio.h. 234 * Return ARCHIVE_FATAL if the seek fails for any reason. 235 */ 236typedef la_int64_t archive_seek_callback(struct archive *, 237 void *_client_data, la_int64_t offset, int whence); 238 239/* Returns size actually written, zero on EOF, -1 on error. */ 240typedef la_ssize_t archive_write_callback(struct archive *, 241 void *_client_data, 242 const void *_buffer, size_t _length); 243 244typedef int archive_open_callback(struct archive *, void *_client_data); 245 246typedef int archive_close_callback(struct archive *, void *_client_data); 247 248/* Switches from one client data object to the next/prev client data object. 249 * This is useful for reading from different data blocks such as a set of files 250 * that make up one large file. 251 */ 252typedef int archive_switch_callback(struct archive *, void *_client_data1, 253 void *_client_data2); 254 255/* 256 * Returns a passphrase used for encryption or decryption, NULL on nothing 257 * to do and give it up. 258 */ 259typedef const char *archive_passphrase_callback(struct archive *, 260 void *_client_data); 261 262/* 263 * Codes to identify various stream filters. 264 */ 265#define ARCHIVE_FILTER_NONE 0 266#define ARCHIVE_FILTER_GZIP 1 267#define ARCHIVE_FILTER_BZIP2 2 268#define ARCHIVE_FILTER_COMPRESS 3 269#define ARCHIVE_FILTER_PROGRAM 4 270#define ARCHIVE_FILTER_LZMA 5 271#define ARCHIVE_FILTER_XZ 6 272#define ARCHIVE_FILTER_UU 7 273#define ARCHIVE_FILTER_RPM 8 274#define ARCHIVE_FILTER_LZIP 9 275#define ARCHIVE_FILTER_LRZIP 10 276#define ARCHIVE_FILTER_LZOP 11 277#define ARCHIVE_FILTER_GRZIP 12 278#define ARCHIVE_FILTER_LZ4 13 279 280#if ARCHIVE_VERSION_NUMBER < 4000000 281#define ARCHIVE_COMPRESSION_NONE ARCHIVE_FILTER_NONE 282#define ARCHIVE_COMPRESSION_GZIP ARCHIVE_FILTER_GZIP 283#define ARCHIVE_COMPRESSION_BZIP2 ARCHIVE_FILTER_BZIP2 284#define ARCHIVE_COMPRESSION_COMPRESS ARCHIVE_FILTER_COMPRESS 285#define ARCHIVE_COMPRESSION_PROGRAM ARCHIVE_FILTER_PROGRAM 286#define ARCHIVE_COMPRESSION_LZMA ARCHIVE_FILTER_LZMA 287#define ARCHIVE_COMPRESSION_XZ ARCHIVE_FILTER_XZ 288#define ARCHIVE_COMPRESSION_UU ARCHIVE_FILTER_UU 289#define ARCHIVE_COMPRESSION_RPM ARCHIVE_FILTER_RPM 290#define ARCHIVE_COMPRESSION_LZIP ARCHIVE_FILTER_LZIP 291#define ARCHIVE_COMPRESSION_LRZIP ARCHIVE_FILTER_LRZIP 292#endif 293 294/* 295 * Codes returned by archive_format. 296 * 297 * Top 16 bits identifies the format family (e.g., "tar"); lower 298 * 16 bits indicate the variant. This is updated by read_next_header. 299 * Note that the lower 16 bits will often vary from entry to entry. 300 * In some cases, this variation occurs as libarchive learns more about 301 * the archive (for example, later entries might utilize extensions that 302 * weren't necessary earlier in the archive; in this case, libarchive 303 * will change the format code to indicate the extended format that 304 * was used). In other cases, it's because different tools have 305 * modified the archive and so different parts of the archive 306 * actually have slightly different formats. (Both tar and cpio store 307 * format codes in each entry, so it is quite possible for each 308 * entry to be in a different format.) 309 */ 310#define ARCHIVE_FORMAT_BASE_MASK 0xff0000 311#define ARCHIVE_FORMAT_CPIO 0x10000 312#define ARCHIVE_FORMAT_CPIO_POSIX (ARCHIVE_FORMAT_CPIO | 1) 313#define ARCHIVE_FORMAT_CPIO_BIN_LE (ARCHIVE_FORMAT_CPIO | 2) 314#define ARCHIVE_FORMAT_CPIO_BIN_BE (ARCHIVE_FORMAT_CPIO | 3) 315#define ARCHIVE_FORMAT_CPIO_SVR4_NOCRC (ARCHIVE_FORMAT_CPIO | 4) 316#define ARCHIVE_FORMAT_CPIO_SVR4_CRC (ARCHIVE_FORMAT_CPIO | 5) 317#define ARCHIVE_FORMAT_CPIO_AFIO_LARGE (ARCHIVE_FORMAT_CPIO | 6) 318#define ARCHIVE_FORMAT_SHAR 0x20000 319#define ARCHIVE_FORMAT_SHAR_BASE (ARCHIVE_FORMAT_SHAR | 1) 320#define ARCHIVE_FORMAT_SHAR_DUMP (ARCHIVE_FORMAT_SHAR | 2) 321#define ARCHIVE_FORMAT_TAR 0x30000 322#define ARCHIVE_FORMAT_TAR_USTAR (ARCHIVE_FORMAT_TAR | 1) 323#define ARCHIVE_FORMAT_TAR_PAX_INTERCHANGE (ARCHIVE_FORMAT_TAR | 2) 324#define ARCHIVE_FORMAT_TAR_PAX_RESTRICTED (ARCHIVE_FORMAT_TAR | 3) 325#define ARCHIVE_FORMAT_TAR_GNUTAR (ARCHIVE_FORMAT_TAR | 4) 326#define ARCHIVE_FORMAT_ISO9660 0x40000 327#define ARCHIVE_FORMAT_ISO9660_ROCKRIDGE (ARCHIVE_FORMAT_ISO9660 | 1) 328#define ARCHIVE_FORMAT_ZIP 0x50000 329#define ARCHIVE_FORMAT_EMPTY 0x60000 330#define ARCHIVE_FORMAT_AR 0x70000 331#define ARCHIVE_FORMAT_AR_GNU (ARCHIVE_FORMAT_AR | 1) 332#define ARCHIVE_FORMAT_AR_BSD (ARCHIVE_FORMAT_AR | 2) 333#define ARCHIVE_FORMAT_MTREE 0x80000 334#define ARCHIVE_FORMAT_RAW 0x90000 335#define ARCHIVE_FORMAT_XAR 0xA0000 336#define ARCHIVE_FORMAT_LHA 0xB0000 337#define ARCHIVE_FORMAT_CAB 0xC0000 338#define ARCHIVE_FORMAT_RAR 0xD0000 339#define ARCHIVE_FORMAT_7ZIP 0xE0000 340#define ARCHIVE_FORMAT_WARC 0xF0000 341 342/* 343 * Codes returned by archive_read_format_capabilities(). 344 * 345 * This list can be extended with values between 0 and 0xffff. 346 * The original purpose of this list was to let different archive 347 * format readers expose their general capabilities in terms of 348 * encryption. 349 */ 350#define ARCHIVE_READ_FORMAT_CAPS_NONE (0) /* no special capabilities */ 351#define ARCHIVE_READ_FORMAT_CAPS_ENCRYPT_DATA (1<<0) /* reader can detect encrypted data */ 352#define ARCHIVE_READ_FORMAT_CAPS_ENCRYPT_METADATA (1<<1) /* reader can detect encryptable metadata (pathname, mtime, etc.) */ 353 354/* 355 * Codes returned by archive_read_has_encrypted_entries(). 356 * 357 * In case the archive does not support encryption detection at all 358 * ARCHIVE_READ_FORMAT_ENCRYPTION_UNSUPPORTED is returned. If the reader 359 * for some other reason (e.g. not enough bytes read) cannot say if 360 * there are encrypted entries, ARCHIVE_READ_FORMAT_ENCRYPTION_DONT_KNOW 361 * is returned. 362 */ 363#define ARCHIVE_READ_FORMAT_ENCRYPTION_UNSUPPORTED -2 364#define ARCHIVE_READ_FORMAT_ENCRYPTION_DONT_KNOW -1 365 366/*- 367 * Basic outline for reading an archive: 368 * 1) Ask archive_read_new for an archive reader object. 369 * 2) Update any global properties as appropriate. 370 * In particular, you'll certainly want to call appropriate 371 * archive_read_support_XXX functions. 372 * 3) Call archive_read_open_XXX to open the archive 373 * 4) Repeatedly call archive_read_next_header to get information about 374 * successive archive entries. Call archive_read_data to extract 375 * data for entries of interest. 376 * 5) Call archive_read_free to end processing. 377 */ 378__LA_DECL struct archive *archive_read_new(void); 379 380/* 381 * The archive_read_support_XXX calls enable auto-detect for this 382 * archive handle. They also link in the necessary support code. 383 * For example, if you don't want bzlib linked in, don't invoke 384 * support_compression_bzip2(). The "all" functions provide the 385 * obvious shorthand. 386 */ 387 388#if ARCHIVE_VERSION_NUMBER < 4000000 389__LA_DECL int archive_read_support_compression_all(struct archive *) 390 __LA_DEPRECATED; 391__LA_DECL int archive_read_support_compression_bzip2(struct archive *) 392 __LA_DEPRECATED; 393__LA_DECL int archive_read_support_compression_compress(struct archive *) 394 __LA_DEPRECATED; 395__LA_DECL int archive_read_support_compression_gzip(struct archive *) 396 __LA_DEPRECATED; 397__LA_DECL int archive_read_support_compression_lzip(struct archive *) 398 __LA_DEPRECATED; 399__LA_DECL int archive_read_support_compression_lzma(struct archive *) 400 __LA_DEPRECATED; 401__LA_DECL int archive_read_support_compression_none(struct archive *) 402 __LA_DEPRECATED; 403__LA_DECL int archive_read_support_compression_program(struct archive *, 404 const char *command) __LA_DEPRECATED; 405__LA_DECL int archive_read_support_compression_program_signature 406 (struct archive *, const char *, 407 const void * /* match */, size_t) __LA_DEPRECATED; 408 409__LA_DECL int archive_read_support_compression_rpm(struct archive *) 410 __LA_DEPRECATED; 411__LA_DECL int archive_read_support_compression_uu(struct archive *) 412 __LA_DEPRECATED; 413__LA_DECL int archive_read_support_compression_xz(struct archive *) 414 __LA_DEPRECATED; 415#endif 416 417__LA_DECL int archive_read_support_filter_all(struct archive *); 418__LA_DECL int archive_read_support_filter_bzip2(struct archive *); 419__LA_DECL int archive_read_support_filter_compress(struct archive *); 420__LA_DECL int archive_read_support_filter_gzip(struct archive *); 421__LA_DECL int archive_read_support_filter_grzip(struct archive *); 422__LA_DECL int archive_read_support_filter_lrzip(struct archive *); 423__LA_DECL int archive_read_support_filter_lz4(struct archive *); 424__LA_DECL int archive_read_support_filter_lzip(struct archive *); 425__LA_DECL int archive_read_support_filter_lzma(struct archive *); 426__LA_DECL int archive_read_support_filter_lzop(struct archive *); 427__LA_DECL int archive_read_support_filter_none(struct archive *); 428__LA_DECL int archive_read_support_filter_program(struct archive *, 429 const char *command); 430__LA_DECL int archive_read_support_filter_program_signature 431 (struct archive *, const char * /* cmd */, 432 const void * /* match */, size_t); 433__LA_DECL int archive_read_support_filter_rpm(struct archive *); 434__LA_DECL int archive_read_support_filter_uu(struct archive *); 435__LA_DECL int archive_read_support_filter_xz(struct archive *); 436 437__LA_DECL int archive_read_support_format_7zip(struct archive *); 438__LA_DECL int archive_read_support_format_all(struct archive *); 439__LA_DECL int archive_read_support_format_ar(struct archive *); 440__LA_DECL int archive_read_support_format_by_code(struct archive *, int); 441__LA_DECL int archive_read_support_format_cab(struct archive *); 442__LA_DECL int archive_read_support_format_cpio(struct archive *); 443__LA_DECL int archive_read_support_format_empty(struct archive *); 444__LA_DECL int archive_read_support_format_gnutar(struct archive *); 445__LA_DECL int archive_read_support_format_iso9660(struct archive *); 446__LA_DECL int archive_read_support_format_lha(struct archive *); 447__LA_DECL int archive_read_support_format_mtree(struct archive *); 448__LA_DECL int archive_read_support_format_rar(struct archive *); 449__LA_DECL int archive_read_support_format_raw(struct archive *); 450__LA_DECL int archive_read_support_format_tar(struct archive *); 451__LA_DECL int archive_read_support_format_warc(struct archive *); 452__LA_DECL int archive_read_support_format_xar(struct archive *); 453/* archive_read_support_format_zip() enables both streamable and seekable 454 * zip readers. */ 455__LA_DECL int archive_read_support_format_zip(struct archive *); 456/* Reads Zip archives as stream from beginning to end. Doesn't 457 * correctly handle SFX ZIP files or ZIP archives that have been modified 458 * in-place. */ 459__LA_DECL int archive_read_support_format_zip_streamable(struct archive *); 460/* Reads starting from central directory; requires seekable input. */ 461__LA_DECL int archive_read_support_format_zip_seekable(struct archive *); 462 463/* Functions to manually set the format and filters to be used. This is 464 * useful to bypass the bidding process when the format and filters to use 465 * is known in advance. 466 */ 467__LA_DECL int archive_read_set_format(struct archive *, int); 468__LA_DECL int archive_read_append_filter(struct archive *, int); 469__LA_DECL int archive_read_append_filter_program(struct archive *, 470 const char *); 471__LA_DECL int archive_read_append_filter_program_signature 472 (struct archive *, const char *, const void * /* match */, size_t); 473 474/* Set various callbacks. */ 475__LA_DECL int archive_read_set_open_callback(struct archive *, 476 archive_open_callback *); 477__LA_DECL int archive_read_set_read_callback(struct archive *, 478 archive_read_callback *); 479__LA_DECL int archive_read_set_seek_callback(struct archive *, 480 archive_seek_callback *); 481__LA_DECL int archive_read_set_skip_callback(struct archive *, 482 archive_skip_callback *); 483__LA_DECL int archive_read_set_close_callback(struct archive *, 484 archive_close_callback *); 485/* Callback used to switch between one data object to the next */ 486__LA_DECL int archive_read_set_switch_callback(struct archive *, 487 archive_switch_callback *); 488 489/* This sets the first data object. */ 490__LA_DECL int archive_read_set_callback_data(struct archive *, void *); 491/* This sets data object at specified index */ 492__LA_DECL int archive_read_set_callback_data2(struct archive *, void *, 493 unsigned int); 494/* This adds a data object at the specified index. */ 495__LA_DECL int archive_read_add_callback_data(struct archive *, void *, 496 unsigned int); 497/* This appends a data object to the end of list */ 498__LA_DECL int archive_read_append_callback_data(struct archive *, void *); 499/* This prepends a data object to the beginning of list */ 500__LA_DECL int archive_read_prepend_callback_data(struct archive *, void *); 501 502/* Opening freezes the callbacks. */ 503__LA_DECL int archive_read_open1(struct archive *); 504 505/* Convenience wrappers around the above. */ 506__LA_DECL int archive_read_open(struct archive *, void *_client_data, 507 archive_open_callback *, archive_read_callback *, 508 archive_close_callback *); 509__LA_DECL int archive_read_open2(struct archive *, void *_client_data, 510 archive_open_callback *, archive_read_callback *, 511 archive_skip_callback *, archive_close_callback *); 512 513/* 514 * A variety of shortcuts that invoke archive_read_open() with 515 * canned callbacks suitable for common situations. The ones that 516 * accept a block size handle tape blocking correctly. 517 */ 518/* Use this if you know the filename. Note: NULL indicates stdin. */ 519__LA_DECL int archive_read_open_filename(struct archive *, 520 const char *_filename, size_t _block_size); 521/* Use this for reading multivolume files by filenames. 522 * NOTE: Must be NULL terminated. Sorting is NOT done. */ 523__LA_DECL int archive_read_open_filenames(struct archive *, 524 const char **_filenames, size_t _block_size); 525__LA_DECL int archive_read_open_filename_w(struct archive *, 526 const wchar_t *_filename, size_t _block_size); 527/* archive_read_open_file() is a deprecated synonym for ..._open_filename(). */ 528__LA_DECL int archive_read_open_file(struct archive *, 529 const char *_filename, size_t _block_size) __LA_DEPRECATED; 530/* Read an archive that's stored in memory. */ 531__LA_DECL int archive_read_open_memory(struct archive *, 532 const void * buff, size_t size); 533/* A more involved version that is only used for internal testing. */ 534__LA_DECL int archive_read_open_memory2(struct archive *a, const void *buff, 535 size_t size, size_t read_size); 536/* Read an archive that's already open, using the file descriptor. */ 537__LA_DECL int archive_read_open_fd(struct archive *, int _fd, 538 size_t _block_size); 539/* Read an archive that's already open, using a FILE *. */ 540/* Note: DO NOT use this with tape drives. */ 541__LA_DECL int archive_read_open_FILE(struct archive *, FILE *_file); 542 543/* Parses and returns next entry header. */ 544__LA_DECL int archive_read_next_header(struct archive *, 545 struct archive_entry **); 546 547/* Parses and returns next entry header using the archive_entry passed in */ 548__LA_DECL int archive_read_next_header2(struct archive *, 549 struct archive_entry *); 550 551/* 552 * Retrieve the byte offset in UNCOMPRESSED data where last-read 553 * header started. 554 */ 555__LA_DECL la_int64_t archive_read_header_position(struct archive *); 556 557/* 558 * Returns 1 if the archive contains at least one encrypted entry. 559 * If the archive format not support encryption at all 560 * ARCHIVE_READ_FORMAT_ENCRYPTION_UNSUPPORTED is returned. 561 * If for any other reason (e.g. not enough data read so far) 562 * we cannot say whether there are encrypted entries, then 563 * ARCHIVE_READ_FORMAT_ENCRYPTION_DONT_KNOW is returned. 564 * In general, this function will return values below zero when the 565 * reader is uncertain or totally incapable of encryption support. 566 * When this function returns 0 you can be sure that the reader 567 * supports encryption detection but no encrypted entries have 568 * been found yet. 569 * 570 * NOTE: If the metadata/header of an archive is also encrypted, you 571 * cannot rely on the number of encrypted entries. That is why this 572 * function does not return the number of encrypted entries but# 573 * just shows that there are some. 574 */ 575__LA_DECL int archive_read_has_encrypted_entries(struct archive *); 576 577/* 578 * Returns a bitmask of capabilities that are supported by the archive format reader. 579 * If the reader has no special capabilities, ARCHIVE_READ_FORMAT_CAPS_NONE is returned. 580 */ 581__LA_DECL int archive_read_format_capabilities(struct archive *); 582 583/* Read data from the body of an entry. Similar to read(2). */ 584__LA_DECL la_ssize_t archive_read_data(struct archive *, 585 void *, size_t); 586 587/* Seek within the body of an entry. Similar to lseek(2). */ 588__LA_DECL la_int64_t archive_seek_data(struct archive *, la_int64_t, int); 589 590/* 591 * A zero-copy version of archive_read_data that also exposes the file offset 592 * of each returned block. Note that the client has no way to specify 593 * the desired size of the block. The API does guarantee that offsets will 594 * be strictly increasing and that returned blocks will not overlap. 595 */ 596__LA_DECL int archive_read_data_block(struct archive *a, 597 const void **buff, size_t *size, la_int64_t *offset); 598 599/*- 600 * Some convenience functions that are built on archive_read_data: 601 * 'skip': skips entire entry 602 * 'into_buffer': writes data into memory buffer that you provide 603 * 'into_fd': writes data to specified filedes 604 */ 605__LA_DECL int archive_read_data_skip(struct archive *); 606__LA_DECL int archive_read_data_into_fd(struct archive *, int fd); 607 608/* 609 * Set read options. 610 */ 611/* Apply option to the format only. */ 612__LA_DECL int archive_read_set_format_option(struct archive *_a, 613 const char *m, const char *o, 614 const char *v); 615/* Apply option to the filter only. */ 616__LA_DECL int archive_read_set_filter_option(struct archive *_a, 617 const char *m, const char *o, 618 const char *v); 619/* Apply option to both the format and the filter. */ 620__LA_DECL int archive_read_set_option(struct archive *_a, 621 const char *m, const char *o, 622 const char *v); 623/* Apply option string to both the format and the filter. */ 624__LA_DECL int archive_read_set_options(struct archive *_a, 625 const char *opts); 626 627/* 628 * Add a decryption passphrase. 629 */ 630__LA_DECL int archive_read_add_passphrase(struct archive *, const char *); 631__LA_DECL int archive_read_set_passphrase_callback(struct archive *, 632 void *client_data, archive_passphrase_callback *); 633 634 635/*- 636 * Convenience function to recreate the current entry (whose header 637 * has just been read) on disk. 638 * 639 * This does quite a bit more than just copy data to disk. It also: 640 * - Creates intermediate directories as required. 641 * - Manages directory permissions: non-writable directories will 642 * be initially created with write permission enabled; when the 643 * archive is closed, dir permissions are edited to the values specified 644 * in the archive. 645 * - Checks hardlinks: hardlinks will not be extracted unless the 646 * linked-to file was also extracted within the same session. (TODO) 647 */ 648 649/* The "flags" argument selects optional behavior, 'OR' the flags you want. */ 650 651/* Default: Do not try to set owner/group. */ 652#define ARCHIVE_EXTRACT_OWNER (0x0001) 653/* Default: Do obey umask, do not restore SUID/SGID/SVTX bits. */ 654#define ARCHIVE_EXTRACT_PERM (0x0002) 655/* Default: Do not restore mtime/atime. */ 656#define ARCHIVE_EXTRACT_TIME (0x0004) 657/* Default: Replace existing files. */ 658#define ARCHIVE_EXTRACT_NO_OVERWRITE (0x0008) 659/* Default: Try create first, unlink only if create fails with EEXIST. */ 660#define ARCHIVE_EXTRACT_UNLINK (0x0010) 661/* Default: Do not restore ACLs. */ 662#define ARCHIVE_EXTRACT_ACL (0x0020) 663/* Default: Do not restore fflags. */ 664#define ARCHIVE_EXTRACT_FFLAGS (0x0040) 665/* Default: Do not restore xattrs. */ 666#define ARCHIVE_EXTRACT_XATTR (0x0080) 667/* Default: Do not try to guard against extracts redirected by symlinks. */ 668/* Note: With ARCHIVE_EXTRACT_UNLINK, will remove any intermediate symlink. */ 669#define ARCHIVE_EXTRACT_SECURE_SYMLINKS (0x0100) 670/* Default: Do not reject entries with '..' as path elements. */ 671#define ARCHIVE_EXTRACT_SECURE_NODOTDOT (0x0200) 672/* Default: Create parent directories as needed. */ 673#define ARCHIVE_EXTRACT_NO_AUTODIR (0x0400) 674/* Default: Overwrite files, even if one on disk is newer. */ 675#define ARCHIVE_EXTRACT_NO_OVERWRITE_NEWER (0x0800) 676/* Detect blocks of 0 and write holes instead. */ 677#define ARCHIVE_EXTRACT_SPARSE (0x1000) 678/* Default: Do not restore Mac extended metadata. */ 679/* This has no effect except on Mac OS. */ 680#define ARCHIVE_EXTRACT_MAC_METADATA (0x2000) 681/* Default: Use HFS+ compression if it was compressed. */ 682/* This has no effect except on Mac OS v10.6 or later. */ 683#define ARCHIVE_EXTRACT_NO_HFS_COMPRESSION (0x4000) 684/* Default: Do not use HFS+ compression if it was not compressed. */ 685/* This has no effect except on Mac OS v10.6 or later. */ 686#define ARCHIVE_EXTRACT_HFS_COMPRESSION_FORCED (0x8000) 687/* Default: Do not reject entries with absolute paths */ 688#define ARCHIVE_EXTRACT_SECURE_NOABSOLUTEPATHS (0x10000) 689/* Default: Do not clear no-change flags when unlinking object */ 690#define ARCHIVE_EXTRACT_CLEAR_NOCHANGE_FFLAGS (0x20000) 691 692__LA_DECL int archive_read_extract(struct archive *, struct archive_entry *, 693 int flags); 694__LA_DECL int archive_read_extract2(struct archive *, struct archive_entry *, 695 struct archive * /* dest */); 696__LA_DECL void archive_read_extract_set_progress_callback(struct archive *, 697 void (*_progress_func)(void *), void *_user_data); 698 699/* Record the dev/ino of a file that will not be written. This is 700 * generally set to the dev/ino of the archive being read. */ 701__LA_DECL void archive_read_extract_set_skip_file(struct archive *, 702 la_int64_t, la_int64_t); 703 704/* Close the file and release most resources. */ 705__LA_DECL int archive_read_close(struct archive *); 706/* Release all resources and destroy the object. */ 707/* Note that archive_read_free will call archive_read_close for you. */ 708__LA_DECL int archive_read_free(struct archive *); 709#if ARCHIVE_VERSION_NUMBER < 4000000 710/* Synonym for archive_read_free() for backwards compatibility. */ 711__LA_DECL int archive_read_finish(struct archive *) __LA_DEPRECATED; 712#endif 713 714/*- 715 * To create an archive: 716 * 1) Ask archive_write_new for an archive writer object. 717 * 2) Set any global properties. In particular, you should set 718 * the compression and format to use. 719 * 3) Call archive_write_open to open the file (most people 720 * will use archive_write_open_file or archive_write_open_fd, 721 * which provide convenient canned I/O callbacks for you). 722 * 4) For each entry: 723 * - construct an appropriate struct archive_entry structure 724 * - archive_write_header to write the header 725 * - archive_write_data to write the entry data 726 * 5) archive_write_close to close the output 727 * 6) archive_write_free to cleanup the writer and release resources 728 */ 729__LA_DECL struct archive *archive_write_new(void); 730__LA_DECL int archive_write_set_bytes_per_block(struct archive *, 731 int bytes_per_block); 732__LA_DECL int archive_write_get_bytes_per_block(struct archive *); 733/* XXX This is badly misnamed; suggestions appreciated. XXX */ 734__LA_DECL int archive_write_set_bytes_in_last_block(struct archive *, 735 int bytes_in_last_block); 736__LA_DECL int archive_write_get_bytes_in_last_block(struct archive *); 737 738/* The dev/ino of a file that won't be archived. This is used 739 * to avoid recursively adding an archive to itself. */ 740__LA_DECL int archive_write_set_skip_file(struct archive *, 741 la_int64_t, la_int64_t); 742 743#if ARCHIVE_VERSION_NUMBER < 4000000 744__LA_DECL int archive_write_set_compression_bzip2(struct archive *) 745 __LA_DEPRECATED; 746__LA_DECL int archive_write_set_compression_compress(struct archive *) 747 __LA_DEPRECATED; 748__LA_DECL int archive_write_set_compression_gzip(struct archive *) 749 __LA_DEPRECATED; 750__LA_DECL int archive_write_set_compression_lzip(struct archive *) 751 __LA_DEPRECATED; 752__LA_DECL int archive_write_set_compression_lzma(struct archive *) 753 __LA_DEPRECATED; 754__LA_DECL int archive_write_set_compression_none(struct archive *) 755 __LA_DEPRECATED; 756__LA_DECL int archive_write_set_compression_program(struct archive *, 757 const char *cmd) __LA_DEPRECATED; 758__LA_DECL int archive_write_set_compression_xz(struct archive *) 759 __LA_DEPRECATED; 760#endif 761 762/* A convenience function to set the filter based on the code. */ 763__LA_DECL int archive_write_add_filter(struct archive *, int filter_code); 764__LA_DECL int archive_write_add_filter_by_name(struct archive *, 765 const char *name); 766__LA_DECL int archive_write_add_filter_b64encode(struct archive *); 767__LA_DECL int archive_write_add_filter_bzip2(struct archive *); 768__LA_DECL int archive_write_add_filter_compress(struct archive *); 769__LA_DECL int archive_write_add_filter_grzip(struct archive *); 770__LA_DECL int archive_write_add_filter_gzip(struct archive *); 771__LA_DECL int archive_write_add_filter_lrzip(struct archive *); 772__LA_DECL int archive_write_add_filter_lz4(struct archive *); 773__LA_DECL int archive_write_add_filter_lzip(struct archive *); 774__LA_DECL int archive_write_add_filter_lzma(struct archive *); 775__LA_DECL int archive_write_add_filter_lzop(struct archive *); 776__LA_DECL int archive_write_add_filter_none(struct archive *); 777__LA_DECL int archive_write_add_filter_program(struct archive *, 778 const char *cmd); 779__LA_DECL int archive_write_add_filter_uuencode(struct archive *); 780__LA_DECL int archive_write_add_filter_xz(struct archive *); 781 782 783/* A convenience function to set the format based on the code or name. */ 784__LA_DECL int archive_write_set_format(struct archive *, int format_code); 785__LA_DECL int archive_write_set_format_by_name(struct archive *, 786 const char *name); 787/* To minimize link pollution, use one or more of the following. */ 788__LA_DECL int archive_write_set_format_7zip(struct archive *); 789__LA_DECL int archive_write_set_format_ar_bsd(struct archive *); 790__LA_DECL int archive_write_set_format_ar_svr4(struct archive *); 791__LA_DECL int archive_write_set_format_cpio(struct archive *); 792__LA_DECL int archive_write_set_format_cpio_newc(struct archive *); 793__LA_DECL int archive_write_set_format_gnutar(struct archive *); 794__LA_DECL int archive_write_set_format_iso9660(struct archive *); 795__LA_DECL int archive_write_set_format_mtree(struct archive *); 796__LA_DECL int archive_write_set_format_mtree_classic(struct archive *); 797/* TODO: int archive_write_set_format_old_tar(struct archive *); */ 798__LA_DECL int archive_write_set_format_pax(struct archive *); 799__LA_DECL int archive_write_set_format_pax_restricted(struct archive *); 800__LA_DECL int archive_write_set_format_raw(struct archive *); 801__LA_DECL int archive_write_set_format_shar(struct archive *); 802__LA_DECL int archive_write_set_format_shar_dump(struct archive *); 803__LA_DECL int archive_write_set_format_ustar(struct archive *); 804__LA_DECL int archive_write_set_format_v7tar(struct archive *); 805__LA_DECL int archive_write_set_format_warc(struct archive *); 806__LA_DECL int archive_write_set_format_xar(struct archive *); 807__LA_DECL int archive_write_set_format_zip(struct archive *); 808__LA_DECL int archive_write_set_format_filter_by_ext(struct archive *a, const char *filename); 809__LA_DECL int archive_write_set_format_filter_by_ext_def(struct archive *a, const char *filename, const char * def_ext); 810__LA_DECL int archive_write_zip_set_compression_deflate(struct archive *); 811__LA_DECL int archive_write_zip_set_compression_store(struct archive *); 812__LA_DECL int archive_write_open(struct archive *, void *, 813 archive_open_callback *, archive_write_callback *, 814 archive_close_callback *); 815__LA_DECL int archive_write_open_fd(struct archive *, int _fd); 816__LA_DECL int archive_write_open_filename(struct archive *, const char *_file); 817__LA_DECL int archive_write_open_filename_w(struct archive *, 818 const wchar_t *_file); 819/* A deprecated synonym for archive_write_open_filename() */ 820__LA_DECL int archive_write_open_file(struct archive *, const char *_file) 821 __LA_DEPRECATED; 822__LA_DECL int archive_write_open_FILE(struct archive *, FILE *); 823/* _buffSize is the size of the buffer, _used refers to a variable that 824 * will be updated after each write into the buffer. */ 825__LA_DECL int archive_write_open_memory(struct archive *, 826 void *_buffer, size_t _buffSize, size_t *_used); 827 828/* 829 * Note that the library will truncate writes beyond the size provided 830 * to archive_write_header or pad if the provided data is short. 831 */ 832__LA_DECL int archive_write_header(struct archive *, 833 struct archive_entry *); 834__LA_DECL la_ssize_t archive_write_data(struct archive *, 835 const void *, size_t); 836 837/* This interface is currently only available for archive_write_disk handles. */ 838__LA_DECL la_ssize_t archive_write_data_block(struct archive *, 839 const void *, size_t, la_int64_t); 840 841__LA_DECL int archive_write_finish_entry(struct archive *); 842__LA_DECL int archive_write_close(struct archive *); 843/* Marks the archive as FATAL so that a subsequent free() operation 844 * won't try to close() cleanly. Provides a fast abort capability 845 * when the client discovers that things have gone wrong. */ 846__LA_DECL int archive_write_fail(struct archive *); 847/* This can fail if the archive wasn't already closed, in which case 848 * archive_write_free() will implicitly call archive_write_close(). */ 849__LA_DECL int archive_write_free(struct archive *); 850#if ARCHIVE_VERSION_NUMBER < 4000000 851/* Synonym for archive_write_free() for backwards compatibility. */ 852__LA_DECL int archive_write_finish(struct archive *) __LA_DEPRECATED; 853#endif 854 855/* 856 * Set write options. 857 */ 858/* Apply option to the format only. */ 859__LA_DECL int archive_write_set_format_option(struct archive *_a, 860 const char *m, const char *o, 861 const char *v); 862/* Apply option to the filter only. */ 863__LA_DECL int archive_write_set_filter_option(struct archive *_a, 864 const char *m, const char *o, 865 const char *v); 866/* Apply option to both the format and the filter. */ 867__LA_DECL int archive_write_set_option(struct archive *_a, 868 const char *m, const char *o, 869 const char *v); 870/* Apply option string to both the format and the filter. */ 871__LA_DECL int archive_write_set_options(struct archive *_a, 872 const char *opts); 873 874/* 875 * Set a encryption passphrase. 876 */ 877__LA_DECL int archive_write_set_passphrase(struct archive *_a, const char *p); 878__LA_DECL int archive_write_set_passphrase_callback(struct archive *, 879 void *client_data, archive_passphrase_callback *); 880 881/*- 882 * ARCHIVE_WRITE_DISK API 883 * 884 * To create objects on disk: 885 * 1) Ask archive_write_disk_new for a new archive_write_disk object. 886 * 2) Set any global properties. In particular, you probably 887 * want to set the options. 888 * 3) For each entry: 889 * - construct an appropriate struct archive_entry structure 890 * - archive_write_header to create the file/dir/etc on disk 891 * - archive_write_data to write the entry data 892 * 4) archive_write_free to cleanup the writer and release resources 893 * 894 * In particular, you can use this in conjunction with archive_read() 895 * to pull entries out of an archive and create them on disk. 896 */ 897__LA_DECL struct archive *archive_write_disk_new(void); 898/* This file will not be overwritten. */ 899__LA_DECL int archive_write_disk_set_skip_file(struct archive *, 900 la_int64_t, la_int64_t); 901/* Set flags to control how the next item gets created. 902 * This accepts a bitmask of ARCHIVE_EXTRACT_XXX flags defined above. */ 903__LA_DECL int archive_write_disk_set_options(struct archive *, 904 int flags); 905/* 906 * The lookup functions are given uname/uid (or gname/gid) pairs and 907 * return a uid (gid) suitable for this system. These are used for 908 * restoring ownership and for setting ACLs. The default functions 909 * are naive, they just return the uid/gid. These are small, so reasonable 910 * for applications that don't need to preserve ownership; they 911 * are probably also appropriate for applications that are doing 912 * same-system backup and restore. 913 */ 914/* 915 * The "standard" lookup functions use common system calls to lookup 916 * the uname/gname, falling back to the uid/gid if the names can't be 917 * found. They cache lookups and are reasonably fast, but can be very 918 * large, so they are not used unless you ask for them. In 919 * particular, these match the specifications of POSIX "pax" and old 920 * POSIX "tar". 921 */ 922__LA_DECL int archive_write_disk_set_standard_lookup(struct archive *); 923/* 924 * If neither the default (naive) nor the standard (big) functions suit 925 * your needs, you can write your own and register them. Be sure to 926 * include a cleanup function if you have allocated private data. 927 */ 928__LA_DECL int archive_write_disk_set_group_lookup(struct archive *, 929 void * /* private_data */, 930 la_int64_t (*)(void *, const char *, la_int64_t), 931 void (* /* cleanup */)(void *)); 932__LA_DECL int archive_write_disk_set_user_lookup(struct archive *, 933 void * /* private_data */, 934 la_int64_t (*)(void *, const char *, la_int64_t), 935 void (* /* cleanup */)(void *)); 936__LA_DECL la_int64_t archive_write_disk_gid(struct archive *, const char *, la_int64_t); 937__LA_DECL la_int64_t archive_write_disk_uid(struct archive *, const char *, la_int64_t); 938 939/* 940 * ARCHIVE_READ_DISK API 941 * 942 * This is still evolving and somewhat experimental. 943 */ 944__LA_DECL struct archive *archive_read_disk_new(void); 945/* The names for symlink modes here correspond to an old BSD 946 * command-line argument convention: -L, -P, -H */ 947/* Follow all symlinks. */ 948__LA_DECL int archive_read_disk_set_symlink_logical(struct archive *); 949/* Follow no symlinks. */ 950__LA_DECL int archive_read_disk_set_symlink_physical(struct archive *); 951/* Follow symlink initially, then not. */ 952__LA_DECL int archive_read_disk_set_symlink_hybrid(struct archive *); 953/* TODO: Handle Linux stat32/stat64 ugliness. <sigh> */ 954__LA_DECL int archive_read_disk_entry_from_file(struct archive *, 955 struct archive_entry *, int /* fd */, const struct stat *); 956/* Look up gname for gid or uname for uid. */ 957/* Default implementations are very, very stupid. */ 958__LA_DECL const char *archive_read_disk_gname(struct archive *, la_int64_t); 959__LA_DECL const char *archive_read_disk_uname(struct archive *, la_int64_t); 960/* "Standard" implementation uses getpwuid_r, getgrgid_r and caches the 961 * results for performance. */ 962__LA_DECL int archive_read_disk_set_standard_lookup(struct archive *); 963/* You can install your own lookups if you like. */ 964__LA_DECL int archive_read_disk_set_gname_lookup(struct archive *, 965 void * /* private_data */, 966 const char *(* /* lookup_fn */)(void *, la_int64_t), 967 void (* /* cleanup_fn */)(void *)); 968__LA_DECL int archive_read_disk_set_uname_lookup(struct archive *, 969 void * /* private_data */, 970 const char *(* /* lookup_fn */)(void *, la_int64_t), 971 void (* /* cleanup_fn */)(void *)); 972/* Start traversal. */ 973__LA_DECL int archive_read_disk_open(struct archive *, const char *); 974__LA_DECL int archive_read_disk_open_w(struct archive *, const wchar_t *); 975/* 976 * Request that current entry be visited. If you invoke it on every 977 * directory, you'll get a physical traversal. This is ignored if the 978 * current entry isn't a directory or a link to a directory. So, if 979 * you invoke this on every returned path, you'll get a full logical 980 * traversal. 981 */ 982__LA_DECL int archive_read_disk_descend(struct archive *); 983__LA_DECL int archive_read_disk_can_descend(struct archive *); 984__LA_DECL int archive_read_disk_current_filesystem(struct archive *); 985__LA_DECL int archive_read_disk_current_filesystem_is_synthetic(struct archive *); 986__LA_DECL int archive_read_disk_current_filesystem_is_remote(struct archive *); 987/* Request that the access time of the entry visited by traversal be restored. */ 988__LA_DECL int archive_read_disk_set_atime_restored(struct archive *); 989/* 990 * Set behavior. The "flags" argument selects optional behavior. 991 */ 992/* Request that the access time of the entry visited by traversal be restored. 993 * This is the same as archive_read_disk_set_atime_restored. */ 994#define ARCHIVE_READDISK_RESTORE_ATIME (0x0001) 995/* Default: Do not skip an entry which has nodump flags. */ 996#define ARCHIVE_READDISK_HONOR_NODUMP (0x0002) 997/* Default: Skip a mac resource fork file whose prefix is "._" because of 998 * using copyfile. */ 999#define ARCHIVE_READDISK_MAC_COPYFILE (0x0004) 1000/* Default: Traverse mount points. */ 1001#define ARCHIVE_READDISK_NO_TRAVERSE_MOUNTS (0x0008) 1002/* Default: Xattrs are read from disk. */ 1003#define ARCHIVE_READDISK_NO_XATTR (0x0010) 1004/* Default: ACLs are read from disk. */ 1005#define ARCHIVE_READDISK_NO_ACL (0x0020) 1006/* Default: File flags are read from disk. */ 1007#define ARCHIVE_READDISK_NO_FFLAGS (0x0040) 1008 1009__LA_DECL int archive_read_disk_set_behavior(struct archive *, 1010 int flags); 1011 1012/* 1013 * Set archive_match object that will be used in archive_read_disk to 1014 * know whether an entry should be skipped. The callback function 1015 * _excluded_func will be invoked when an entry is skipped by the result 1016 * of archive_match. 1017 */ 1018__LA_DECL int archive_read_disk_set_matching(struct archive *, 1019 struct archive *_matching, void (*_excluded_func) 1020 (struct archive *, void *, struct archive_entry *), 1021 void *_client_data); 1022__LA_DECL int archive_read_disk_set_metadata_filter_callback(struct archive *, 1023 int (*_metadata_filter_func)(struct archive *, void *, 1024 struct archive_entry *), void *_client_data); 1025 1026/* Simplified cleanup interface; 1027 * This calls archive_read_free() or archive_write_free() as needed. */ 1028__LA_DECL int archive_free(struct archive *); 1029 1030/* 1031 * Accessor functions to read/set various information in 1032 * the struct archive object: 1033 */ 1034 1035/* Number of filters in the current filter pipeline. */ 1036/* Filter #0 is the one closest to the format, -1 is a synonym for the 1037 * last filter, which is always the pseudo-filter that wraps the 1038 * client callbacks. */ 1039__LA_DECL int archive_filter_count(struct archive *); 1040__LA_DECL la_int64_t archive_filter_bytes(struct archive *, int); 1041__LA_DECL int archive_filter_code(struct archive *, int); 1042__LA_DECL const char * archive_filter_name(struct archive *, int); 1043 1044#if ARCHIVE_VERSION_NUMBER < 4000000 1045/* These don't properly handle multiple filters, so are deprecated and 1046 * will eventually be removed. */ 1047/* As of libarchive 3.0, this is an alias for archive_filter_bytes(a, -1); */ 1048__LA_DECL la_int64_t archive_position_compressed(struct archive *) 1049 __LA_DEPRECATED; 1050/* As of libarchive 3.0, this is an alias for archive_filter_bytes(a, 0); */ 1051__LA_DECL la_int64_t archive_position_uncompressed(struct archive *) 1052 __LA_DEPRECATED; 1053/* As of libarchive 3.0, this is an alias for archive_filter_name(a, 0); */ 1054__LA_DECL const char *archive_compression_name(struct archive *) 1055 __LA_DEPRECATED; 1056/* As of libarchive 3.0, this is an alias for archive_filter_code(a, 0); */ 1057__LA_DECL int archive_compression(struct archive *) 1058 __LA_DEPRECATED; 1059#endif 1060 1061__LA_DECL int archive_errno(struct archive *); 1062__LA_DECL const char *archive_error_string(struct archive *); 1063__LA_DECL const char *archive_format_name(struct archive *); 1064__LA_DECL int archive_format(struct archive *); 1065__LA_DECL void archive_clear_error(struct archive *); 1066__LA_DECL void archive_set_error(struct archive *, int _err, 1067 const char *fmt, ...) __LA_PRINTF(3, 4); 1068__LA_DECL void archive_copy_error(struct archive *dest, 1069 struct archive *src); 1070__LA_DECL int archive_file_count(struct archive *); 1071 1072/* 1073 * ARCHIVE_MATCH API 1074 */ 1075__LA_DECL struct archive *archive_match_new(void); 1076__LA_DECL int archive_match_free(struct archive *); 1077 1078/* 1079 * Test if archive_entry is excluded. 1080 * This is a convenience function. This is the same as calling all 1081 * archive_match_path_excluded, archive_match_time_excluded 1082 * and archive_match_owner_excluded. 1083 */ 1084__LA_DECL int archive_match_excluded(struct archive *, 1085 struct archive_entry *); 1086 1087/* 1088 * Test if pathname is excluded. The conditions are set by following functions. 1089 */ 1090__LA_DECL int archive_match_path_excluded(struct archive *, 1091 struct archive_entry *); 1092/* Add exclusion pathname pattern. */ 1093__LA_DECL int archive_match_exclude_pattern(struct archive *, const char *); 1094__LA_DECL int archive_match_exclude_pattern_w(struct archive *, 1095 const wchar_t *); 1096/* Add exclusion pathname pattern from file. */ 1097__LA_DECL int archive_match_exclude_pattern_from_file(struct archive *, 1098 const char *, int _nullSeparator); 1099__LA_DECL int archive_match_exclude_pattern_from_file_w(struct archive *, 1100 const wchar_t *, int _nullSeparator); 1101/* Add inclusion pathname pattern. */ 1102__LA_DECL int archive_match_include_pattern(struct archive *, const char *); 1103__LA_DECL int archive_match_include_pattern_w(struct archive *, 1104 const wchar_t *); 1105/* Add inclusion pathname pattern from file. */ 1106__LA_DECL int archive_match_include_pattern_from_file(struct archive *, 1107 const char *, int _nullSeparator); 1108__LA_DECL int archive_match_include_pattern_from_file_w(struct archive *, 1109 const wchar_t *, int _nullSeparator); 1110/* 1111 * How to get statistic information for inclusion patterns. 1112 */ 1113/* Return the amount number of unmatched inclusion patterns. */ 1114__LA_DECL int archive_match_path_unmatched_inclusions(struct archive *); 1115/* Return the pattern of unmatched inclusion with ARCHIVE_OK. 1116 * Return ARCHIVE_EOF if there is no inclusion pattern. */ 1117__LA_DECL int archive_match_path_unmatched_inclusions_next( 1118 struct archive *, const char **); 1119__LA_DECL int archive_match_path_unmatched_inclusions_next_w( 1120 struct archive *, const wchar_t **); 1121 1122/* 1123 * Test if a file is excluded by its time stamp. 1124 * The conditions are set by following functions. 1125 */ 1126__LA_DECL int archive_match_time_excluded(struct archive *, 1127 struct archive_entry *); 1128 1129/* 1130 * Flags to tell a matching type of time stamps. These are used for 1131 * following functions. 1132 */ 1133/* Time flag: mtime to be tested. */ 1134#define ARCHIVE_MATCH_MTIME (0x0100) 1135/* Time flag: ctime to be tested. */ 1136#define ARCHIVE_MATCH_CTIME (0x0200) 1137/* Comparison flag: Match the time if it is newer than. */ 1138#define ARCHIVE_MATCH_NEWER (0x0001) 1139/* Comparison flag: Match the time if it is older than. */ 1140#define ARCHIVE_MATCH_OLDER (0x0002) 1141/* Comparison flag: Match the time if it is equal to. */ 1142#define ARCHIVE_MATCH_EQUAL (0x0010) 1143/* Set inclusion time. */ 1144__LA_DECL int archive_match_include_time(struct archive *, int _flag, 1145 time_t _sec, long _nsec); 1146/* Set inclusion time by a date string. */ 1147__LA_DECL int archive_match_include_date(struct archive *, int _flag, 1148 const char *_datestr); 1149__LA_DECL int archive_match_include_date_w(struct archive *, int _flag, 1150 const wchar_t *_datestr); 1151/* Set inclusion time by a particular file. */ 1152__LA_DECL int archive_match_include_file_time(struct archive *, 1153 int _flag, const char *_pathname); 1154__LA_DECL int archive_match_include_file_time_w(struct archive *, 1155 int _flag, const wchar_t *_pathname); 1156/* Add exclusion entry. */ 1157__LA_DECL int archive_match_exclude_entry(struct archive *, 1158 int _flag, struct archive_entry *); 1159 1160/* 1161 * Test if a file is excluded by its uid ,gid, uname or gname. 1162 * The conditions are set by following functions. 1163 */ 1164__LA_DECL int archive_match_owner_excluded(struct archive *, 1165 struct archive_entry *); 1166/* Add inclusion uid, gid, uname and gname. */ 1167__LA_DECL int archive_match_include_uid(struct archive *, la_int64_t); 1168__LA_DECL int archive_match_include_gid(struct archive *, la_int64_t); 1169__LA_DECL int archive_match_include_uname(struct archive *, const char *); 1170__LA_DECL int archive_match_include_uname_w(struct archive *, 1171 const wchar_t *); 1172__LA_DECL int archive_match_include_gname(struct archive *, const char *); 1173__LA_DECL int archive_match_include_gname_w(struct archive *, 1174 const wchar_t *); 1175 1176/* Utility functions */ 1177/* Convenience function to sort a NULL terminated list of strings */ 1178__LA_DECL int archive_utility_string_sort(char **); 1179 1180#ifdef __cplusplus 1181} 1182#endif 1183 1184/* These are meaningless outside of this header. */ 1185#undef __LA_DECL 1186 1187#endif /* !ARCHIVE_H_INCLUDED */ 1188