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/*-
* Copyright (c) 2003-2007 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.
*
* $FreeBSD$
*/
#include "bsdtar_platform.h"
#include <stdio.h>
#define DEFAULT_BYTES_PER_BLOCK (20*512)
/*
* The internal state for the "bsdtar" program.
*
* Keeping all of the state in a structure like this simplifies memory
* leak testing (at exit, anything left on the heap is suspect). A
* pointer to this structure is passed to most bsdtar internal
* functions.
*/
struct bsdtar {
/* Options */
const char *filename; /* -f filename */
const char *create_format; /* -F format */
char *pending_chdir; /* -C dir */
const char *names_from_file; /* -T file */
time_t newer_ctime_sec; /* --newer/--newer-than */
long newer_ctime_nsec; /* --newer/--newer-than */
time_t newer_mtime_sec; /* --newer-mtime */
long newer_mtime_nsec; /* --newer-mtime-than */
int bytes_per_block; /* -b block_size */
int verbose; /* -v */
int extract_flags; /* Flags for extract operation */
int strip_components; /* Remove this many leading dirs */
char mode; /* Program mode: 'c', 't', 'r', 'u', 'x' */
char symlink_mode; /* H or L, per BSD conventions */
char create_compression; /* j, y, or z */
const char *compress_program;
char option_absolute_paths; /* -P */
char option_chroot; /* --chroot */
char option_dont_traverse_mounts; /* --one-file-system */
char option_fast_read; /* --fast-read */
const char *option_options; /* --options */
char option_honor_nodump; /* --nodump */
char option_interactive; /* -w */
char option_no_owner; /* -o */
char option_no_subdirs; /* -n */
char option_null; /* --null */
char option_numeric_owner; /* --numeric-owner */
char option_stdout; /* -O */
char option_totals; /* --totals */
char option_unlink_first; /* -U */
char option_warn_links; /* --check-links */
char day_first; /* show day before month in -tv output */
/* If >= 0, then close this when done. */
int fd;
/* Miscellaneous state information */
struct archive *archive;
const char *progname;
int argc;
char **argv;
const char *optarg;
size_t gs_width; /* For 'list_item' in read.c */
size_t u_width; /* for 'list_item' in read.c */
uid_t user_uid; /* UID running this program */
int return_value; /* Value returned by main() */
char warned_lead_slash; /* Already displayed warning */
char next_line_is_dir; /* Used for -C parsing in -cT */
/*
* Data for various subsystems. Full definitions are located in
* the file where they are used.
*/
struct archive *diskreader; /* for write.c */
struct archive_entry_linkresolver *resolver; /* for write.c */
struct archive_dir *archive_dir; /* for write.c */
struct name_cache *gname_cache; /* for write.c */
char *buff; /* for write.c */
struct matching *matching; /* for matching.c */
struct security *security; /* for read.c */
struct name_cache *uname_cache; /* for write.c */
struct siginfo_data *siginfo; /* for siginfo.c */
struct substitution *substitution; /* for subst.c */
};
/* Fake short equivalents for long options that otherwise lack them. */
enum {
OPTION_CHECK_LINKS = 1,
OPTION_CHROOT,
OPTION_EXCLUDE,
OPTION_FORMAT,
OPTION_OPTIONS,
OPTION_HELP,
OPTION_INCLUDE,
OPTION_KEEP_NEWER_FILES,
OPTION_LZMA,
OPTION_NEWER_CTIME,
OPTION_NEWER_CTIME_THAN,
OPTION_NEWER_MTIME,
OPTION_NEWER_MTIME_THAN,
OPTION_NODUMP,
OPTION_NO_SAME_OWNER,
OPTION_NO_SAME_PERMISSIONS,
OPTION_NULL,
OPTION_NUMERIC_OWNER,
OPTION_ONE_FILE_SYSTEM,
OPTION_POSIX,
OPTION_SAME_OWNER,
OPTION_STRIP_COMPONENTS,
OPTION_TOTALS,
OPTION_USE_COMPRESS_PROGRAM,
OPTION_VERSION
};
void bsdtar_errc(struct bsdtar *, int _eval, int _code,
const char *fmt, ...) __LA_DEAD;
int bsdtar_getopt(struct bsdtar *);
void bsdtar_warnc(struct bsdtar *, int _code, const char *fmt, ...);
void cleanup_exclusions(struct bsdtar *);
void do_chdir(struct bsdtar *);
int edit_pathname(struct bsdtar *, struct archive_entry *);
int exclude(struct bsdtar *, const char *pattern);
int exclude_from_file(struct bsdtar *, const char *pathname);
int excluded(struct bsdtar *, const char *pathname);
int include(struct bsdtar *, const char *pattern);
int include_from_file(struct bsdtar *, const char *pathname);
int pathcmp(const char *a, const char *b);
int process_lines(struct bsdtar *bsdtar, const char *pathname,
int (*process)(struct bsdtar *, const char *));
void safe_fprintf(FILE *, const char *fmt, ...);
void set_chdir(struct bsdtar *, const char *newdir);
void siginfo_init(struct bsdtar *);
void siginfo_setinfo(struct bsdtar *, const char * oper,
const char * path, int64_t size);
void siginfo_printinfo(struct bsdtar *, off_t progress);
void siginfo_done(struct bsdtar *);
void tar_mode_c(struct bsdtar *bsdtar);
void tar_mode_r(struct bsdtar *bsdtar);
void tar_mode_t(struct bsdtar *bsdtar);
void tar_mode_u(struct bsdtar *bsdtar);
void tar_mode_x(struct bsdtar *bsdtar);
int unmatched_inclusions(struct bsdtar *bsdtar);
int unmatched_inclusions_warn(struct bsdtar *bsdtar, const char *msg);
void usage(struct bsdtar *);
int yes(const char *fmt, ...);
#if HAVE_REGEX_H
void add_substitution(struct bsdtar *, const char *);
int apply_substitution(struct bsdtar *, const char *, char **, int);
void cleanup_substitution(struct bsdtar *);
#endif
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