165 lines
5.7 KiB
C
165 lines
5.7 KiB
C
/*-
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* Copyright (c) 2003-2007 Tim Kientzle
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include "bsdtar_platform.h"
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#include <stdio.h>
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#include "matching.h"
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#define DEFAULT_BYTES_PER_BLOCK (20*512)
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/*
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* The internal state for the "bsdtar" program.
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*
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* Keeping all of the state in a structure like this simplifies memory
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* leak testing (at exit, anything left on the heap is suspect). A
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* pointer to this structure is passed to most bsdtar internal
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* functions.
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*/
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struct bsdtar {
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/* Options */
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const char *filename; /* -f filename */
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const char *create_format; /* -F format */
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char *pending_chdir; /* -C dir */
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const char *names_from_file; /* -T file */
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time_t newer_ctime_sec; /* --newer/--newer-than */
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long newer_ctime_nsec; /* --newer/--newer-than */
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time_t newer_mtime_sec; /* --newer-mtime */
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long newer_mtime_nsec; /* --newer-mtime-than */
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int bytes_per_block; /* -b block_size */
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int verbose; /* -v */
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int extract_flags; /* Flags for extract operation */
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int strip_components; /* Remove this many leading dirs */
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int gid; /* --gid */
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const char *gname; /* --gname */
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int uid; /* --uid */
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const char *uname; /* --uname */
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char mode; /* Program mode: 'c', 't', 'r', 'u', 'x' */
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char symlink_mode; /* H or L, per BSD conventions */
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char create_compression; /* j, y, or z */
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const char *compress_program;
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char option_absolute_paths; /* -P */
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char option_chroot; /* --chroot */
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char option_dont_traverse_mounts; /* --one-file-system */
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char option_fast_read; /* --fast-read */
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const char *option_options; /* --options */
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char option_honor_nodump; /* --nodump */
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char option_interactive; /* -w */
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char option_no_owner; /* -o */
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char option_no_subdirs; /* -n */
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char option_null; /* --null */
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char option_stdout; /* -O */
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char option_totals; /* --totals */
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char option_unlink_first; /* -U */
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char option_warn_links; /* --check-links */
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char day_first; /* show day before month in -tv output */
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/* If >= 0, then close this when done. */
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int fd;
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/* Miscellaneous state information */
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int argc;
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char **argv;
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const char *optarg;
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size_t gs_width; /* For 'list_item' in read.c */
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size_t u_width; /* for 'list_item' in read.c */
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uid_t user_uid; /* UID running this program */
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int return_value; /* Value returned by main() */
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char warned_lead_slash; /* Already displayed warning */
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char next_line_is_dir; /* Used for -C parsing in -cT */
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/*
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* Data for various subsystems. Full definitions are located in
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* the file where they are used.
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*/
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struct archive *diskreader; /* for write.c */
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struct archive_entry_linkresolver *resolver; /* for write.c */
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struct archive_dir *archive_dir; /* for write.c */
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struct name_cache *gname_cache; /* for write.c */
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char *buff; /* for write.c */
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struct lafe_matching *matching; /* for matching.c */
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struct security *security; /* for read.c */
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struct name_cache *uname_cache; /* for write.c */
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struct siginfo_data *siginfo; /* for siginfo.c */
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struct substitution *substitution; /* for subst.c */
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};
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/* Fake short equivalents for long options that otherwise lack them. */
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enum {
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OPTION_CHECK_LINKS = 1,
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OPTION_CHROOT,
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OPTION_EXCLUDE,
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OPTION_FORMAT,
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OPTION_GID,
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OPTION_GNAME,
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OPTION_HELP,
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OPTION_INCLUDE,
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OPTION_KEEP_NEWER_FILES,
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OPTION_LZMA,
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OPTION_NEWER_CTIME,
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OPTION_NEWER_CTIME_THAN,
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OPTION_NEWER_MTIME,
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OPTION_NEWER_MTIME_THAN,
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OPTION_NODUMP,
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OPTION_NO_SAME_OWNER,
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OPTION_NO_SAME_PERMISSIONS,
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OPTION_NULL,
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OPTION_NUMERIC_OWNER,
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OPTION_ONE_FILE_SYSTEM,
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OPTION_OPTIONS,
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OPTION_POSIX,
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OPTION_SAME_OWNER,
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OPTION_STRIP_COMPONENTS,
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OPTION_TOTALS,
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OPTION_UID,
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OPTION_UNAME,
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OPTION_USE_COMPRESS_PROGRAM,
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OPTION_VERSION
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};
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int bsdtar_getopt(struct bsdtar *);
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void do_chdir(struct bsdtar *);
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int edit_pathname(struct bsdtar *, struct archive_entry *);
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int need_report(void);
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int pathcmp(const char *a, const char *b);
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void safe_fprintf(FILE *, const char *fmt, ...);
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void set_chdir(struct bsdtar *, const char *newdir);
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const char *tar_i64toa(int64_t);
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void tar_mode_c(struct bsdtar *bsdtar);
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void tar_mode_r(struct bsdtar *bsdtar);
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void tar_mode_t(struct bsdtar *bsdtar);
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void tar_mode_u(struct bsdtar *bsdtar);
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void tar_mode_x(struct bsdtar *bsdtar);
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void usage(void);
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int yes(const char *fmt, ...);
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#if HAVE_REGEX_H
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void add_substitution(struct bsdtar *, const char *);
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int apply_substitution(struct bsdtar *, const char *, char **, int);
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void cleanup_substitution(struct bsdtar *);
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#endif
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