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|
/*-
* Copyright (c) 2003-2010 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef ARCHIVE_H_INCLUDED
#define ARCHIVE_H_INCLUDED
#include <sys/stat.h>
#include <stddef.h> /* for wchar_t */
#include <stdio.h> /* For FILE * */
/*
* Note: archive.h is for use outside of libarchive; the configuration
* headers (config.h, archive_platform.h, etc.) are purely internal.
* Do NOT use HAVE_XXX configuration macros to control the behavior of
* this header! If you must conditionalize, use predefined compiler and/or
* platform macros.
*/
#if defined(__BORLANDC__) && __BORLANDC__ >= 0x560
# include <stdint.h>
#elif !defined(__WATCOMC__) && !defined(_MSC_VER) && !defined(__INTERIX) && !defined(__BORLANDC__) && !defined(_SCO_DS)
# include <inttypes.h>
#endif
/* Get appropriate definitions of standard POSIX-style types. */
/* These should match the types used in 'struct stat' */
#if defined(_WIN32) && !defined(__CYGWIN__)
# define __LA_INT64_T __int64
# if defined(_SSIZE_T_DEFINED) || defined(_SSIZE_T_)
# define __LA_SSIZE_T ssize_t
# elif defined(_WIN64)
# define __LA_SSIZE_T __int64
# else
# define __LA_SSIZE_T long
# endif
#else
# include <unistd.h> /* ssize_t */
# if defined(_SCO_DS)
# define __LA_INT64_T long long
# else
# define __LA_INT64_T int64_t
# endif
# define __LA_SSIZE_T ssize_t
#endif
/*
* On Windows, define LIBARCHIVE_STATIC if you're building or using a
* .lib. The default here assumes you're building a DLL. Only
* libarchive source should ever define __LIBARCHIVE_BUILD.
*/
#if ((defined __WIN32__) || (defined _WIN32) || defined(__CYGWIN__)) && (!defined LIBARCHIVE_STATIC)
# ifdef __LIBARCHIVE_BUILD
# ifdef __GNUC__
# define __LA_DECL __attribute__((dllexport)) extern
# else
# define __LA_DECL __declspec(dllexport)
# endif
# else
# ifdef __GNUC__
# define __LA_DECL
# else
# define __LA_DECL __declspec(dllimport)
# endif
# endif
#else
/* Static libraries or non-Windows needs no special declaration. */
# define __LA_DECL
#endif
#if defined(__GNUC__) && __GNUC__ >= 3 && !defined(__MINGW32__)
#define __LA_PRINTF(fmtarg, firstvararg) \
__attribute__((__format__ (__printf__, fmtarg, firstvararg)))
#else
#define __LA_PRINTF(fmtarg, firstvararg) /* nothing */
#endif
#ifdef __cplusplus
extern "C" {
#endif
/*
* The version number is provided as both a macro and a function.
* The macro identifies the installed header; the function identifies
* the library version (which may not be the same if you're using a
* dynamically-linked version of the library). Of course, if the
* header and library are very different, you should expect some
* strangeness. Don't do that.
*/
/*
* The version number is expressed as a single integer that makes it
* easy to compare versions at build time: for version a.b.c, the
* version number is printf("%d%03d%03d",a,b,c). For example, if you
* know your application requires version 2.12.108 or later, you can
* assert that ARCHIVE_VERSION_NUMBER >= 2012108.
*/
/* Note: Compiler will complain if this does not match archive_entry.h! */
#define ARCHIVE_VERSION_NUMBER 3000004
__LA_DECL int archive_version_number(void);
/*
* Textual name/version of the library, useful for version displays.
*/
#define ARCHIVE_VERSION_STRING "libarchive 3.0.4"
__LA_DECL const char * archive_version_string(void);
/* Declare our basic types. */
struct archive;
struct archive_entry;
/*
* Error codes: Use archive_errno() and archive_error_string()
* to retrieve details. Unless specified otherwise, all functions
* that return 'int' use these codes.
*/
#define ARCHIVE_EOF 1 /* Found end of archive. */
#define ARCHIVE_OK 0 /* Operation was successful. */
#define ARCHIVE_RETRY (-10) /* Retry might succeed. */
#define ARCHIVE_WARN (-20) /* Partial success. */
/* For example, if write_header "fails", then you can't push data. */
#define ARCHIVE_FAILED (-25) /* Current operation cannot complete. */
/* But if write_header is "fatal," then this archive is dead and useless. */
#define ARCHIVE_FATAL (-30) /* No more operations are possible. */
/*
* As far as possible, archive_errno returns standard platform errno codes.
* Of course, the details vary by platform, so the actual definitions
* here are stored in "archive_platform.h". The symbols are listed here
* for reference; as a rule, clients should not need to know the exact
* platform-dependent error code.
*/
/* Unrecognized or invalid file format. */
/* #define ARCHIVE_ERRNO_FILE_FORMAT */
/* Illegal usage of the library. */
/* #define ARCHIVE_ERRNO_PROGRAMMER_ERROR */
/* Unknown or unclassified error. */
/* #define ARCHIVE_ERRNO_MISC */
/*
* Callbacks are invoked to automatically read/skip/write/open/close the
* archive. You can provide your own for complex tasks (like breaking
* archives across multiple tapes) or use standard ones built into the
* library.
*/
/* Returns pointer and size of next block of data from archive. */
typedef __LA_SSIZE_T archive_read_callback(struct archive *,
void *_client_data, const void **_buffer);
/* Skips at most request bytes from archive and returns the skipped amount.
* This may skip fewer bytes than requested; it may even skip zero bytes.
* If you do skip fewer bytes than requested, libarchive will invoke your
* read callback and discard data as necessary to make up the full skip.
*/
typedef __LA_INT64_T archive_skip_callback(struct archive *,
void *_client_data, __LA_INT64_T request);
/* Seeks to specified location in the file and returns the position.
* Whence values are SEEK_SET, SEEK_CUR, SEEK_END from stdio.h.
* Return ARCHIVE_FATAL if the seek fails for any reason.
*/
typedef __LA_INT64_T archive_seek_callback(struct archive *,
void *_client_data, __LA_INT64_T offset, int whence);
/* Returns size actually written, zero on EOF, -1 on error. */
typedef __LA_SSIZE_T archive_write_callback(struct archive *,
void *_client_data,
const void *_buffer, size_t _length);
typedef int archive_open_callback(struct archive *, void *_client_data);
typedef int archive_close_callback(struct archive *, void *_client_data);
/*
* Codes to identify various stream filters.
*/
#define ARCHIVE_FILTER_NONE 0
#define ARCHIVE_FILTER_GZIP 1
#define ARCHIVE_FILTER_BZIP2 2
#define ARCHIVE_FILTER_COMPRESS 3
#define ARCHIVE_FILTER_PROGRAM 4
#define ARCHIVE_FILTER_LZMA 5
#define ARCHIVE_FILTER_XZ 6
#define ARCHIVE_FILTER_UU 7
#define ARCHIVE_FILTER_RPM 8
#define ARCHIVE_FILTER_LZIP 9
#if ARCHIVE_VERSION_NUMBER < 4000000
#define ARCHIVE_COMPRESSION_NONE ARCHIVE_FILTER_NONE
#define ARCHIVE_COMPRESSION_GZIP ARCHIVE_FILTER_GZIP
#define ARCHIVE_COMPRESSION_BZIP2 ARCHIVE_FILTER_BZIP2
#define ARCHIVE_COMPRESSION_COMPRESS ARCHIVE_FILTER_COMPRESS
#define ARCHIVE_COMPRESSION_PROGRAM ARCHIVE_FILTER_PROGRAM
#define ARCHIVE_COMPRESSION_LZMA ARCHIVE_FILTER_LZMA
#define ARCHIVE_COMPRESSION_XZ ARCHIVE_FILTER_XZ
#define ARCHIVE_COMPRESSION_UU ARCHIVE_FILTER_UU
#define ARCHIVE_COMPRESSION_RPM ARCHIVE_FILTER_RPM
#define ARCHIVE_COMPRESSION_LZIP ARCHIVE_FILTER_LZIP
#endif
/*
* Codes returned by archive_format.
*
* Top 16 bits identifies the format family (e.g., "tar"); lower
* 16 bits indicate the variant. This is updated by read_next_header.
* Note that the lower 16 bits will often vary from entry to entry.
* In some cases, this variation occurs as libarchive learns more about
* the archive (for example, later entries might utilize extensions that
* weren't necessary earlier in the archive; in this case, libarchive
* will change the format code to indicate the extended format that
* was used). In other cases, it's because different tools have
* modified the archive and so different parts of the archive
* actually have slightly different formats. (Both tar and cpio store
* format codes in each entry, so it is quite possible for each
* entry to be in a different format.)
*/
#define ARCHIVE_FORMAT_BASE_MASK 0xff0000
#define ARCHIVE_FORMAT_CPIO 0x10000
#define ARCHIVE_FORMAT_CPIO_POSIX (ARCHIVE_FORMAT_CPIO | 1)
#define ARCHIVE_FORMAT_CPIO_BIN_LE (ARCHIVE_FORMAT_CPIO | 2)
#define ARCHIVE_FORMAT_CPIO_BIN_BE (ARCHIVE_FORMAT_CPIO | 3)
#define ARCHIVE_FORMAT_CPIO_SVR4_NOCRC (ARCHIVE_FORMAT_CPIO | 4)
#define ARCHIVE_FORMAT_CPIO_SVR4_CRC (ARCHIVE_FORMAT_CPIO | 5)
#define ARCHIVE_FORMAT_CPIO_AFIO_LARGE (ARCHIVE_FORMAT_CPIO | 6)
#define ARCHIVE_FORMAT_SHAR 0x20000
#define ARCHIVE_FORMAT_SHAR_BASE (ARCHIVE_FORMAT_SHAR | 1)
#define ARCHIVE_FORMAT_SHAR_DUMP (ARCHIVE_FORMAT_SHAR | 2)
#define ARCHIVE_FORMAT_TAR 0x30000
#define ARCHIVE_FORMAT_TAR_USTAR (ARCHIVE_FORMAT_TAR | 1)
#define ARCHIVE_FORMAT_TAR_PAX_INTERCHANGE (ARCHIVE_FORMAT_TAR | 2)
#define ARCHIVE_FORMAT_TAR_PAX_RESTRICTED (ARCHIVE_FORMAT_TAR | 3)
#define ARCHIVE_FORMAT_TAR_GNUTAR (ARCHIVE_FORMAT_TAR | 4)
#define ARCHIVE_FORMAT_ISO9660 0x40000
#define ARCHIVE_FORMAT_ISO9660_ROCKRIDGE (ARCHIVE_FORMAT_ISO9660 | 1)
#define ARCHIVE_FORMAT_ZIP 0x50000
#define ARCHIVE_FORMAT_EMPTY 0x60000
#define ARCHIVE_FORMAT_AR 0x70000
#define ARCHIVE_FORMAT_AR_GNU (ARCHIVE_FORMAT_AR | 1)
#define ARCHIVE_FORMAT_AR_BSD (ARCHIVE_FORMAT_AR | 2)
#define ARCHIVE_FORMAT_MTREE 0x80000
#define ARCHIVE_FORMAT_RAW 0x90000
#define ARCHIVE_FORMAT_XAR 0xA0000
#define ARCHIVE_FORMAT_LHA 0xB0000
#define ARCHIVE_FORMAT_CAB 0xC0000
#define ARCHIVE_FORMAT_RAR 0xD0000
#define ARCHIVE_FORMAT_7ZIP 0xE0000
/*-
* Basic outline for reading an archive:
* 1) Ask archive_read_new for an archive reader object.
* 2) Update any global properties as appropriate.
* In particular, you'll certainly want to call appropriate
* archive_read_support_XXX functions.
* 3) Call archive_read_open_XXX to open the archive
* 4) Repeatedly call archive_read_next_header to get information about
* successive archive entries. Call archive_read_data to extract
* data for entries of interest.
* 5) Call archive_read_finish to end processing.
*/
__LA_DECL struct archive *archive_read_new(void);
/*
* The archive_read_support_XXX calls enable auto-detect for this
* archive handle. They also link in the necessary support code.
* For example, if you don't want bzlib linked in, don't invoke
* support_compression_bzip2(). The "all" functions provide the
* obvious shorthand.
*/
#if ARCHIVE_VERSION_NUMBER < 4000000
__LA_DECL int archive_read_support_compression_all(struct archive *);
__LA_DECL int archive_read_support_compression_bzip2(struct archive *);
__LA_DECL int archive_read_support_compression_compress(struct archive *);
__LA_DECL int archive_read_support_compression_gzip(struct archive *);
__LA_DECL int archive_read_support_compression_lzip(struct archive *);
__LA_DECL int archive_read_support_compression_lzma(struct archive *);
__LA_DECL int archive_read_support_compression_none(struct archive *);
__LA_DECL int archive_read_support_compression_program(struct archive *,
const char *command);
__LA_DECL int archive_read_support_compression_program_signature
(struct archive *, const char *,
const void * /* match */, size_t);
__LA_DECL int archive_read_support_compression_rpm(struct archive *);
__LA_DECL int archive_read_support_compression_uu(struct archive *);
__LA_DECL int archive_read_support_compression_xz(struct archive *);
#endif
__LA_DECL int archive_read_support_filter_all(struct archive *);
__LA_DECL int archive_read_support_filter_bzip2(struct archive *);
__LA_DECL int archive_read_support_filter_compress(struct archive *);
__LA_DECL int archive_read_support_filter_gzip(struct archive *);
__LA_DECL int archive_read_support_filter_lzip(struct archive *);
__LA_DECL int archive_read_support_filter_lzma(struct archive *);
__LA_DECL int archive_read_support_filter_none(struct archive *);
__LA_DECL int archive_read_support_filter_program(struct archive *,
const char *command);
__LA_DECL int archive_read_support_filter_program_signature
(struct archive *, const char *,
const void * /* match */, size_t);
__LA_DECL int archive_read_support_filter_rpm(struct archive *);
__LA_DECL int archive_read_support_filter_uu(struct archive *);
__LA_DECL int archive_read_support_filter_xz(struct archive *);
__LA_DECL int archive_read_support_format_7zip(struct archive *);
__LA_DECL int archive_read_support_format_all(struct archive *);
__LA_DECL int archive_read_support_format_ar(struct archive *);
__LA_DECL int archive_read_support_format_by_code(struct archive *, int);
__LA_DECL int archive_read_support_format_cab(struct archive *);
__LA_DECL int archive_read_support_format_cpio(struct archive *);
__LA_DECL int archive_read_support_format_empty(struct archive *);
__LA_DECL int archive_read_support_format_gnutar(struct archive *);
__LA_DECL int archive_read_support_format_iso9660(struct archive *);
__LA_DECL int archive_read_support_format_lha(struct archive *);
__LA_DECL int archive_read_support_format_mtree(struct archive *);
__LA_DECL int archive_read_support_format_rar(struct archive *);
__LA_DECL int archive_read_support_format_raw(struct archive *);
__LA_DECL int archive_read_support_format_tar(struct archive *);
__LA_DECL int archive_read_support_format_xar(struct archive *);
__LA_DECL int archive_read_support_format_zip(struct archive *);
/* Set various callbacks. */
__LA_DECL int archive_read_set_open_callback(struct archive *,
archive_open_callback *);
__LA_DECL int archive_read_set_read_callback(struct archive *,
archive_read_callback *);
__LA_DECL int archive_read_set_seek_callback(struct archive *,
archive_seek_callback *);
__LA_DECL int archive_read_set_skip_callback(struct archive *,
archive_skip_callback *);
__LA_DECL int archive_read_set_close_callback(struct archive *,
archive_close_callback *);
/* The callback data is provided to all of the callbacks above. */
__LA_DECL int archive_read_set_callback_data(struct archive *, void *);
/* Opening freezes the callbacks. */
__LA_DECL int archive_read_open1(struct archive *);
/* Convenience wrappers around the above. */
__LA_DECL int archive_read_open(struct archive *, void *_client_data,
archive_open_callback *, archive_read_callback *,
archive_close_callback *);
__LA_DECL int archive_read_open2(struct archive *, void *_client_data,
archive_open_callback *, archive_read_callback *,
archive_skip_callback *, archive_close_callback *);
/*
* A variety of shortcuts that invoke archive_read_open() with
* canned callbacks suitable for common situations. The ones that
* accept a block size handle tape blocking correctly.
*/
/* Use this if you know the filename. Note: NULL indicates stdin. */
__LA_DECL int archive_read_open_filename(struct archive *,
const char *_filename, size_t _block_size);
__LA_DECL int archive_read_open_filename_w(struct archive *,
const wchar_t *_filename, size_t _block_size);
/* archive_read_open_file() is a deprecated synonym for ..._open_filename(). */
__LA_DECL int archive_read_open_file(struct archive *,
const char *_filename, size_t _block_size);
/* Read an archive that's stored in memory. */
__LA_DECL int archive_read_open_memory(struct archive *,
void * buff, size_t size);
/* A more involved version that is only used for internal testing. */
__LA_DECL int archive_read_open_memory2(struct archive *a, void *buff,
size_t size, size_t read_size);
/* Read an archive that's already open, using the file descriptor. */
__LA_DECL int archive_read_open_fd(struct archive *, int _fd,
size_t _block_size);
/* Read an archive that's already open, using a FILE *. */
/* Note: DO NOT use this with tape drives. */
__LA_DECL int archive_read_open_FILE(struct archive *, FILE *_file);
/* Parses and returns next entry header. */
__LA_DECL int archive_read_next_header(struct archive *,
struct archive_entry **);
/* Parses and returns next entry header using the archive_entry passed in */
__LA_DECL int archive_read_next_header2(struct archive *,
struct archive_entry *);
/*
* Retrieve the byte offset in UNCOMPRESSED data where last-read
* header started.
*/
__LA_DECL __LA_INT64_T archive_read_header_position(struct archive *);
/* Read data from the body of an entry. Similar to read(2). */
__LA_DECL __LA_SSIZE_T archive_read_data(struct archive *,
void *, size_t);
/*
* A zero-copy version of archive_read_data that also exposes the file offset
* of each returned block. Note that the client has no way to specify
* the desired size of the block. The API does guarantee that offsets will
* be strictly increasing and that returned blocks will not overlap.
*/
__LA_DECL int archive_read_data_block(struct archive *a,
const void **buff, size_t *size, __LA_INT64_T *offset);
/*-
* Some convenience functions that are built on archive_read_data:
* 'skip': skips entire entry
* 'into_buffer': writes data into memory buffer that you provide
* 'into_fd': writes data to specified filedes
*/
__LA_DECL int archive_read_data_skip(struct archive *);
__LA_DECL int archive_read_data_into_fd(struct archive *, int fd);
/*
* Set read options.
*/
/* Apply option to the format only. */
__LA_DECL int archive_read_set_format_option(struct archive *_a,
const char *m, const char *o,
const char *v);
/* Apply option to the filter only. */
__LA_DECL int archive_read_set_filter_option(struct archive *_a,
const char *m, const char *o,
const char *v);
/* Apply option to both the format and the filter. */
__LA_DECL int archive_read_set_option(struct archive *_a,
const char *m, const char *o,
const char *v);
/* Apply option string to both the format and the filter. */
__LA_DECL int archive_read_set_options(struct archive *_a,
const char *opts);
/*-
* Convenience function to recreate the current entry (whose header
* has just been read) on disk.
*
* This does quite a bit more than just copy data to disk. It also:
* - Creates intermediate directories as required.
* - Manages directory permissions: non-writable directories will
* be initially created with write permission enabled; when the
* archive is closed, dir permissions are edited to the values specified
* in the archive.
* - Checks hardlinks: hardlinks will not be extracted unless the
* linked-to file was also extracted within the same session. (TODO)
*/
/* The "flags" argument selects optional behavior, 'OR' the flags you want. */
/* Default: Do not try to set owner/group. */
#define ARCHIVE_EXTRACT_OWNER (0x0001)
/* Default: Do obey umask, do not restore SUID/SGID/SVTX bits. */
#define ARCHIVE_EXTRACT_PERM (0x0002)
/* Default: Do not restore mtime/atime. */
#define ARCHIVE_EXTRACT_TIME (0x0004)
/* Default: Replace existing files. */
#define ARCHIVE_EXTRACT_NO_OVERWRITE (0x0008)
/* Default: Try create first, unlink only if create fails with EEXIST. */
#define ARCHIVE_EXTRACT_UNLINK (0x0010)
/* Default: Do not restore ACLs. */
#define ARCHIVE_EXTRACT_ACL (0x0020)
/* Default: Do not restore fflags. */
#define ARCHIVE_EXTRACT_FFLAGS (0x0040)
/* Default: Do not restore xattrs. */
#define ARCHIVE_EXTRACT_XATTR (0x0080)
/* Default: Do not try to guard against extracts redirected by symlinks. */
/* Note: With ARCHIVE_EXTRACT_UNLINK, will remove any intermediate symlink. */
#define ARCHIVE_EXTRACT_SECURE_SYMLINKS (0x0100)
/* Default: Do not reject entries with '..' as path elements. */
#define ARCHIVE_EXTRACT_SECURE_NODOTDOT (0x0200)
/* Default: Create parent directories as needed. */
#define ARCHIVE_EXTRACT_NO_AUTODIR (0x0400)
/* Default: Overwrite files, even if one on disk is newer. */
#define ARCHIVE_EXTRACT_NO_OVERWRITE_NEWER (0x0800)
/* Detect blocks of 0 and write holes instead. */
#define ARCHIVE_EXTRACT_SPARSE (0x1000)
/* Default: Do not restore Mac extended metadata. */
/* This has no effect except on Mac OS. */
#define ARCHIVE_EXTRACT_MAC_METADATA (0x2000)
__LA_DECL int archive_read_extract(struct archive *, struct archive_entry *,
int flags);
__LA_DECL int archive_read_extract2(struct archive *, struct archive_entry *,
struct archive * /* dest */);
__LA_DECL void archive_read_extract_set_progress_callback(struct archive *,
void (*_progress_func)(void *), void *_user_data);
/* Record the dev/ino of a file that will not be written. This is
* generally set to the dev/ino of the archive being read. */
__LA_DECL void archive_read_extract_set_skip_file(struct archive *,
__LA_INT64_T, __LA_INT64_T);
/* Close the file and release most resources. */
__LA_DECL int archive_read_close(struct archive *);
/* Release all resources and destroy the object. */
/* Note that archive_read_free will call archive_read_close for you. */
__LA_DECL int archive_read_free(struct archive *);
#if ARCHIVE_VERSION_NUMBER < 4000000
/* Synonym for archive_read_free() for backwards compatibility. */
__LA_DECL int archive_read_finish(struct archive *);
#endif
/*-
* To create an archive:
* 1) Ask archive_write_new for an archive writer object.
* 2) Set any global properties. In particular, you should set
* the compression and format to use.
* 3) Call archive_write_open to open the file (most people
* will use archive_write_open_file or archive_write_open_fd,
* which provide convenient canned I/O callbacks for you).
* 4) For each entry:
* - construct an appropriate struct archive_entry structure
* - archive_write_header to write the header
* - archive_write_data to write the entry data
* 5) archive_write_close to close the output
* 6) archive_write_free to cleanup the writer and release resources
*/
__LA_DECL struct archive *archive_write_new(void);
__LA_DECL int archive_write_set_bytes_per_block(struct archive *,
int bytes_per_block);
__LA_DECL int archive_write_get_bytes_per_block(struct archive *);
/* XXX This is badly misnamed; suggestions appreciated. XXX */
__LA_DECL int archive_write_set_bytes_in_last_block(struct archive *,
int bytes_in_last_block);
__LA_DECL int archive_write_get_bytes_in_last_block(struct archive *);
/* The dev/ino of a file that won't be archived. This is used
* to avoid recursively adding an archive to itself. */
__LA_DECL int archive_write_set_skip_file(struct archive *,
__LA_INT64_T, __LA_INT64_T);
#if ARCHIVE_VERSION_NUMBER < 4000000
__LA_DECL int archive_write_set_compression_bzip2(struct archive *);
__LA_DECL int archive_write_set_compression_compress(struct archive *);
__LA_DECL int archive_write_set_compression_gzip(struct archive *);
__LA_DECL int archive_write_set_compression_lzip(struct archive *);
__LA_DECL int archive_write_set_compression_lzma(struct archive *);
__LA_DECL int archive_write_set_compression_none(struct archive *);
__LA_DECL int archive_write_set_compression_program(struct archive *,
const char *cmd);
__LA_DECL int archive_write_set_compression_xz(struct archive *);
#endif
/* A convenience function to set the filter based on the code. */
__LA_DECL int archive_write_add_filter(struct archive *, int filter_code);
__LA_DECL int archive_write_add_filter_bzip2(struct archive *);
__LA_DECL int archive_write_add_filter_compress(struct archive *);
__LA_DECL int archive_write_add_filter_gzip(struct archive *);
__LA_DECL int archive_write_add_filter_lzip(struct archive *);
__LA_DECL int archive_write_add_filter_lzma(struct archive *);
__LA_DECL int archive_write_add_filter_none(struct archive *);
__LA_DECL int archive_write_add_filter_program(struct archive *,
const char *cmd);
__LA_DECL int archive_write_add_filter_xz(struct archive *);
/* A convenience function to set the format based on the code or name. */
__LA_DECL int archive_write_set_format(struct archive *, int format_code);
__LA_DECL int archive_write_set_format_by_name(struct archive *,
const char *name);
/* To minimize link pollution, use one or more of the following. */
__LA_DECL int archive_write_set_format_7zip(struct archive *);
__LA_DECL int archive_write_set_format_ar_bsd(struct archive *);
__LA_DECL int archive_write_set_format_ar_svr4(struct archive *);
__LA_DECL int archive_write_set_format_cpio(struct archive *);
__LA_DECL int archive_write_set_format_cpio_newc(struct archive *);
__LA_DECL int archive_write_set_format_gnutar(struct archive *);
__LA_DECL int archive_write_set_format_iso9660(struct archive *);
__LA_DECL int archive_write_set_format_mtree(struct archive *);
/* TODO: int archive_write_set_format_old_tar(struct archive *); */
__LA_DECL int archive_write_set_format_pax(struct archive *);
__LA_DECL int archive_write_set_format_pax_restricted(struct archive *);
__LA_DECL int archive_write_set_format_shar(struct archive *);
__LA_DECL int archive_write_set_format_shar_dump(struct archive *);
__LA_DECL int archive_write_set_format_ustar(struct archive *);
__LA_DECL int archive_write_set_format_xar(struct archive *);
__LA_DECL int archive_write_set_format_zip(struct archive *);
__LA_DECL int archive_write_open(struct archive *, void *,
archive_open_callback *, archive_write_callback *,
archive_close_callback *);
__LA_DECL int archive_write_open_fd(struct archive *, int _fd);
__LA_DECL int archive_write_open_filename(struct archive *, const char *_file);
__LA_DECL int archive_write_open_filename_w(struct archive *,
const wchar_t *_file);
/* A deprecated synonym for archive_write_open_filename() */
__LA_DECL int archive_write_open_file(struct archive *, const char *_file);
__LA_DECL int archive_write_open_FILE(struct archive *, FILE *);
/* _buffSize is the size of the buffer, _used refers to a variable that
* will be updated after each write into the buffer. */
__LA_DECL int archive_write_open_memory(struct archive *,
void *_buffer, size_t _buffSize, size_t *_used);
/*
* Note that the library will truncate writes beyond the size provided
* to archive_write_header or pad if the provided data is short.
*/
__LA_DECL int archive_write_header(struct archive *,
struct archive_entry *);
__LA_DECL __LA_SSIZE_T archive_write_data(struct archive *,
const void *, size_t);
/* This interface is currently only available for archive_write_disk handles. */
__LA_DECL __LA_SSIZE_T archive_write_data_block(struct archive *,
const void *, size_t, __LA_INT64_T);
__LA_DECL int archive_write_finish_entry(struct archive *);
__LA_DECL int archive_write_close(struct archive *);
/* This can fail if the archive wasn't already closed, in which case
* archive_write_free() will implicitly call archive_write_close(). */
__LA_DECL int archive_write_free(struct archive *);
#if ARCHIVE_VERSION_NUMBER < 4000000
/* Synonym for archive_write_free() for backwards compatibility. */
__LA_DECL int archive_write_finish(struct archive *);
#endif
/*
* Set write options.
*/
/* Apply option to the format only. */
__LA_DECL int archive_write_set_format_option(struct archive *_a,
const char *m, const char *o,
const char *v);
/* Apply option to the filter only. */
__LA_DECL int archive_write_set_filter_option(struct archive *_a,
const char *m, const char *o,
const char *v);
/* Apply option to both the format and the filter. */
__LA_DECL int archive_write_set_option(struct archive *_a,
const char *m, const char *o,
const char *v);
/* Apply option string to both the format and the filter. */
__LA_DECL int archive_write_set_options(struct archive *_a,
const char *opts);
/*-
* ARCHIVE_WRITE_DISK API
*
* To create objects on disk:
* 1) Ask archive_write_disk_new for a new archive_write_disk object.
* 2) Set any global properties. In particular, you probably
* want to set the options.
* 3) For each entry:
* - construct an appropriate struct archive_entry structure
* - archive_write_header to create the file/dir/etc on disk
* - archive_write_data to write the entry data
* 4) archive_write_free to cleanup the writer and release resources
*
* In particular, you can use this in conjunction with archive_read()
* to pull entries out of an archive and create them on disk.
*/
__LA_DECL struct archive *archive_write_disk_new(void);
/* This file will not be overwritten. */
__LA_DECL int archive_write_disk_set_skip_file(struct archive *,
__LA_INT64_T, __LA_INT64_T);
/* Set flags to control how the next item gets created.
* This accepts a bitmask of ARCHIVE_EXTRACT_XXX flags defined above. */
__LA_DECL int archive_write_disk_set_options(struct archive *,
int flags);
/*
* The lookup functions are given uname/uid (or gname/gid) pairs and
* return a uid (gid) suitable for this system. These are used for
* restoring ownership and for setting ACLs. The default functions
* are naive, they just return the uid/gid. These are small, so reasonable
* for applications that don't need to preserve ownership; they
* are probably also appropriate for applications that are doing
* same-system backup and restore.
*/
/*
* The "standard" lookup functions use common system calls to lookup
* the uname/gname, falling back to the uid/gid if the names can't be
* found. They cache lookups and are reasonably fast, but can be very
* large, so they are not used unless you ask for them. In
* particular, these match the specifications of POSIX "pax" and old
* POSIX "tar".
*/
__LA_DECL int archive_write_disk_set_standard_lookup(struct archive *);
/*
* If neither the default (naive) nor the standard (big) functions suit
* your needs, you can write your own and register them. Be sure to
* include a cleanup function if you have allocated private data.
*/
__LA_DECL int archive_write_disk_set_group_lookup(struct archive *,
void * /* private_data */,
__LA_INT64_T (*)(void *, const char *, __LA_INT64_T),
void (* /* cleanup */)(void *));
__LA_DECL int archive_write_disk_set_user_lookup(struct archive *,
void * /* private_data */,
__LA_INT64_T (*)(void *, const char *, __LA_INT64_T),
void (* /* cleanup */)(void *));
__LA_DECL __LA_INT64_T archive_write_disk_gid(struct archive *, const char *, __LA_INT64_T);
__LA_DECL __LA_INT64_T archive_write_disk_uid(struct archive *, const char *, __LA_INT64_T);
/*
* ARCHIVE_READ_DISK API
*
* This is still evolving and somewhat experimental.
*/
__LA_DECL struct archive *archive_read_disk_new(void);
/* The names for symlink modes here correspond to an old BSD
* command-line argument convention: -L, -P, -H */
/* Follow all symlinks. */
__LA_DECL int archive_read_disk_set_symlink_logical(struct archive *);
/* Follow no symlinks. */
__LA_DECL int archive_read_disk_set_symlink_physical(struct archive *);
/* Follow symlink initially, then not. */
__LA_DECL int archive_read_disk_set_symlink_hybrid(struct archive *);
/* TODO: Handle Linux stat32/stat64 ugliness. <sigh> */
__LA_DECL int archive_read_disk_entry_from_file(struct archive *,
struct archive_entry *, int /* fd */, const struct stat *);
/* Look up gname for gid or uname for uid. */
/* Default implementations are very, very stupid. */
__LA_DECL const char *archive_read_disk_gname(struct archive *, __LA_INT64_T);
__LA_DECL const char *archive_read_disk_uname(struct archive *, __LA_INT64_T);
/* "Standard" implementation uses getpwuid_r, getgrgid_r and caches the
* results for performance. */
__LA_DECL int archive_read_disk_set_standard_lookup(struct archive *);
/* You can install your own lookups if you like. */
__LA_DECL int archive_read_disk_set_gname_lookup(struct archive *,
void * /* private_data */,
const char *(* /* lookup_fn */)(void *, __LA_INT64_T),
void (* /* cleanup_fn */)(void *));
__LA_DECL int archive_read_disk_set_uname_lookup(struct archive *,
void * /* private_data */,
const char *(* /* lookup_fn */)(void *, __LA_INT64_T),
void (* /* cleanup_fn */)(void *));
/* Start traversal. */
__LA_DECL int archive_read_disk_open(struct archive *, const char *);
__LA_DECL int archive_read_disk_open_w(struct archive *, const wchar_t *);
/*
* Request that current entry be visited. If you invoke it on every
* directory, you'll get a physical traversal. This is ignored if the
* current entry isn't a directory or a link to a directory. So, if
* you invoke this on every returned path, you'll get a full logical
* traversal.
*/
__LA_DECL int archive_read_disk_descend(struct archive *);
__LA_DECL int archive_read_disk_can_descend(struct archive *);
__LA_DECL int archive_read_disk_current_filesystem(struct archive *);
__LA_DECL int archive_read_disk_current_filesystem_is_synthetic(struct archive *);
__LA_DECL int archive_read_disk_current_filesystem_is_remote(struct archive *);
/* Request that the access time of the entry visited by travesal be restored. */
__LA_DECL int archive_read_disk_set_atime_restored(struct archive *);
/*
* Set behavior. The "flags" argument selects optional behavior.
*/
/* Request that the access time of the entry visited by travesal be restored.
* This is the same as archive_read_disk_set_atime_restored. */
#define ARCHIVE_READDISK_RESTORE_ATIME (0x0001)
/* Default: Do not skip an entry which has nodump flags. */
#define ARCHIVE_READDISK_HONOR_NODUMP (0x0002)
/* Default: Skip a mac resource fork file whose prefix is "._" because of
* using copyfile. */
#define ARCHIVE_READDISK_MAC_COPYFILE (0x0004)
/* Default: Do not traverse mount points. */
#define ARCHIVE_READDISK_NO_TRAVERSE_MOUNTS (0x0008)
__LA_DECL int archive_read_disk_set_behavior(struct archive *,
int flags);
/*
* Set archive_match object that will be used in archive_read_disk to
* know whether an entry should be skipped. The callback function
* _excluded_func will be invoked when an entry is skipped by the result
* of archive_match.
*/
__LA_DECL int archive_read_disk_set_matching(struct archive *,
struct archive *_matching, void (*_excluded_func)
(struct archive *, void *, struct archive_entry *),
void *_client_data);
__LA_DECL int archive_read_disk_set_metadata_filter_callback(struct archive *,
int (*_metadata_filter_func)(struct archive *, void *,
struct archive_entry *), void *_client_data);
/*
* Accessor functions to read/set various information in
* the struct archive object:
*/
/* Number of filters in the current filter pipeline. */
/* Filter #0 is the one closest to the format, -1 is a synonym for the
* last filter, which is always the pseudo-filter that wraps the
* client callbacks. */
__LA_DECL int archive_filter_count(struct archive *);
__LA_DECL __LA_INT64_T archive_filter_bytes(struct archive *, int);
__LA_DECL int archive_filter_code(struct archive *, int);
__LA_DECL const char * archive_filter_name(struct archive *, int);
#if ARCHIVE_VERSION_NUMBER < 4000000
/* These don't properly handle multiple filters, so are deprecated and
* will eventually be removed. */
/* As of libarchive 3.0, this is an alias for archive_filter_bytes(a, -1); */
__LA_DECL __LA_INT64_T archive_position_compressed(struct archive *);
/* As of libarchive 3.0, this is an alias for archive_filter_bytes(a, 0); */
__LA_DECL __LA_INT64_T archive_position_uncompressed(struct archive *);
/* As of libarchive 3.0, this is an alias for archive_filter_name(a, 0); */
__LA_DECL const char *archive_compression_name(struct archive *);
/* As of libarchive 3.0, this is an alias for archive_filter_code(a, 0); */
__LA_DECL int archive_compression(struct archive *);
#endif
__LA_DECL int archive_errno(struct archive *);
__LA_DECL const char *archive_error_string(struct archive *);
__LA_DECL const char *archive_format_name(struct archive *);
__LA_DECL int archive_format(struct archive *);
__LA_DECL void archive_clear_error(struct archive *);
__LA_DECL void archive_set_error(struct archive *, int _err,
const char *fmt, ...) __LA_PRINTF(3, 4);
__LA_DECL void archive_copy_error(struct archive *dest,
struct archive *src);
__LA_DECL int archive_file_count(struct archive *);
/*
* ARCHIVE_MATCH API
*/
__LA_DECL struct archive *archive_match_new(void);
__LA_DECL int archive_match_free(struct archive *);
/*
* Test if archive_entry is excluded.
* This is a convenience function. This is the same as calling all
* archive_match_path_excluded, archive_match_time_excluded
* and archive_match_owner_excluded.
*/
__LA_DECL int archive_match_excluded(struct archive *,
struct archive_entry *);
/*
* Test if pathname is excluded. The conditions are set by following functions.
*/
__LA_DECL int archive_match_path_excluded(struct archive *,
struct archive_entry *);
/* Add exclusion pathname pattern. */
__LA_DECL int archive_match_exclude_pattern(struct archive *, const char *);
__LA_DECL int archive_match_exclude_pattern_w(struct archive *,
const wchar_t *);
/* Add exclusion pathname pattern from file. */
__LA_DECL int archive_match_exclude_pattern_from_file(struct archive *,
const char *, int _nullSeparator);
__LA_DECL int archive_match_exclude_pattern_from_file_w(struct archive *,
const wchar_t *, int _nullSeparator);
/* Add inclusion pathname pattern. */
__LA_DECL int archive_match_include_pattern(struct archive *, const char *);
__LA_DECL int archive_match_include_pattern_w(struct archive *,
const wchar_t *);
/* Add inclusion pathname pattern from file. */
__LA_DECL int archive_match_include_pattern_from_file(struct archive *,
const char *, int _nullSeparator);
__LA_DECL int archive_match_include_pattern_from_file_w(struct archive *,
const wchar_t *, int _nullSeparator);
/*
* How to get statistic information for inclusion patterns.
*/
/* Return the amount number of unmatched inclusion patterns. */
__LA_DECL int archive_match_path_unmatched_inclusions(struct archive *);
/* Return the pattern of unmatched inclusion with ARCHIVE_OK.
* Return ARCHIVE_EOF if there is no inclusion pattern. */
__LA_DECL int archive_match_path_unmatched_inclusions_next(
struct archive *, const char **);
__LA_DECL int archive_match_path_unmatched_inclusions_next_w(
struct archive *, const wchar_t **);
/*
* Test if a file is excluded by its time stamp.
* The conditions are set by following functions.
*/
__LA_DECL int archive_match_time_excluded(struct archive *,
struct archive_entry *);
/*
* Flags to tell a matching type of time stamps. These are used for
* following functinos.
*/
/* Time flag: mtime to be tested. */
#define ARCHIVE_MATCH_MTIME (0x0100)
/* Time flag: ctime to be tested. */
#define ARCHIVE_MATCH_CTIME (0x0200)
/* Comparison flag: Match the time if it is newer than. */
#define ARCHIVE_MATCH_NEWER (0x0001)
/* Comparison flag: Match the time if it is older than. */
#define ARCHIVE_MATCH_OLDER (0x0002)
/* Comparison flag: Match the time if it is equal to. */
#define ARCHIVE_MATCH_EQUAL (0x0010)
/* Set inclusion time. */
__LA_DECL int archive_match_include_time(struct archive *, int _flag,
time_t _sec, long _nsec);
/* Set inclusion time by a date string. */
__LA_DECL int archive_match_include_date(struct archive *, int _flag,
const char *_datestr);
__LA_DECL int archive_match_include_date_w(struct archive *, int _flag,
const wchar_t *_datestr);
/* Set inclusion time by a particluar file. */
__LA_DECL int archive_match_include_file_time(struct archive *,
int _flag, const char *_pathname);
__LA_DECL int archive_match_include_file_time_w(struct archive *,
int _flag, const wchar_t *_pathname);
/* Add exclusion entry. */
__LA_DECL int archive_match_exclude_entry(struct archive *,
int _flag, struct archive_entry *);
/*
* Test if a file is excluded by its uid ,gid, uname or gname.
* The conditions are set by following functions.
*/
__LA_DECL int archive_match_owner_excluded(struct archive *,
struct archive_entry *);
/* Add inclusion uid, gid, uname and gname. */
__LA_DECL int archive_match_include_uid(struct archive *, __LA_INT64_T);
__LA_DECL int archive_match_include_gid(struct archive *, __LA_INT64_T);
__LA_DECL int archive_match_include_uname(struct archive *, const char *);
__LA_DECL int archive_match_include_uname_w(struct archive *,
const wchar_t *);
__LA_DECL int archive_match_include_gname(struct archive *, const char *);
__LA_DECL int archive_match_include_gname_w(struct archive *,
const wchar_t *);
#ifdef __cplusplus
}
#endif
/* These are meaningless outside of this header. */
#undef __LA_DECL
/* These need to remain defined because they're used in the
* callback type definitions. XXX Fix this. This is ugly. XXX */
/* #undef __LA_INT64_T */
/* #undef __LA_SSIZE_T */
#endif /* !ARCHIVE_H_INCLUDED */
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