freebsd-nq/usr.bin/tar/bsdtar.h
Tim Kientzle 4a07f42b98 Make symlink protection a bit more useful:
* Remove terminal symlinks so they can be replaced.
  * If -U, remove intermediate symlinks as well
  * Otherwise, refuse the extraction
2004-05-17 03:33:06 +00:00

105 lines
4.1 KiB
C

/*-
* Copyright (c) 2003-2004 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
* in this position and unchanged.
* 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.
* 3. The name(s) of the author(s) may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* 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 <archive.h>
#include <stdio.h>
/*
* 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 */
const char *start_dir; /* -C dir */
const char *names_from_file; /* -T file */
int bytes_per_block; /* -b block_size */
int verbose; /* -v */
int extract_flags; /* Flags for extract operation */
char symlink_mode; /* H or L, per BSD conventions */
char create_compression; /* j, y, or z */
char option_absolute_paths; /* -P */
char option_dont_traverse_mounts; /* -X */
char option_fast_read; /* --fast-read */
char option_honor_nodump; /* --nodump */
char option_interactive; /* -w */
char option_no_subdirs; /* -d */
char option_stdout; /* -p */
char option_unlink_first; /* -U */
char option_warn_links; /* -l */
/* If >= 0, then close this when done. */
int fd;
/* Miscellaneous state information */
int argc;
char **argv;
size_t gs_width; /* For 'list_item' in read.c */
size_t u_width; /* for 'list_item' in read.c */
char *user_uname; /* User running this program */
uid_t user_uid; /* UID running this program */
/*
* Data for various subsystems. Full definitions are located in
* the file where they are used.
*/
struct archive_dir *archive_dir; /* for write.c */
struct gname_cache *gname_cache; /* for write.c */
struct links_cache *links_cache; /* for write.c */
struct matching *matching; /* for matching.c */
struct security *security; /* for read.c */
struct uname_cache *uname_cache; /* for write.c */
};
const char *bsdtar_progname(void);
void bsdtar_errc(int _eval, int _code, const char *fmt, ...);
void bsdtar_strmode(struct archive_entry *entry, char *bp);
void bsdtar_warnc(int _code, const char *fmt, ...);
void cleanup_exclusions(struct bsdtar *);
void exclude(struct bsdtar *, const char *pattern);
int excluded(struct bsdtar *, const char *pathname);
void include(struct bsdtar *, const char *pattern);
void safe_fprintf(FILE *, const char *fmt, ...);
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);
void usage(void);
int yes(const char *fmt, ...);