120 lines
4.2 KiB
C
120 lines
4.2 KiB
C
|
/*-
|
||
|
* Copyright (c) 2007 Kai Wang
|
||
|
* 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.
|
||
|
*
|
||
|
* 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.
|
||
|
*
|
||
|
* $FreeBSD$
|
||
|
*/
|
||
|
|
||
|
/*
|
||
|
* ar(1) options.
|
||
|
*/
|
||
|
#define AR_A 0x0001 /* position-after */
|
||
|
#define AR_B 0x0002 /* position-before */
|
||
|
#define AR_C 0x0004 /* creating new archive */
|
||
|
#define AR_CC 0x0008 /* do not overwrite when extracting */
|
||
|
#define AR_J 0x0010 /* bzip2 compression */
|
||
|
#define AR_O 0x0020 /* preserve original mtime when extracting */
|
||
|
#define AR_S 0x0040 /* write archive symbol table */
|
||
|
#define AR_SS 0x0080 /* do not write archive symbol table */
|
||
|
#define AR_TR 0x0100 /* only keep first 15 chars for member name */
|
||
|
#define AR_U 0x0200 /* only extract or update newer members.*/
|
||
|
#define AR_V 0x0400 /* verbose mode */
|
||
|
#define AR_Z 0x0800 /* gzip compression */
|
||
|
|
||
|
#define DEF_BLKSZ 10240 /* default block size */
|
||
|
|
||
|
/*
|
||
|
* Convenient wrapper for general libarchive error handling.
|
||
|
*/
|
||
|
#define AC(CALL) do { \
|
||
|
if ((CALL)) \
|
||
|
bsdar_errc(bsdar, EX_SOFTWARE, 0, "%s", \
|
||
|
archive_error_string(a)); \
|
||
|
} while (0)
|
||
|
|
||
|
/*
|
||
|
* In-memory representation of archive member(object).
|
||
|
*/
|
||
|
struct ar_obj {
|
||
|
char *name; /* member name */
|
||
|
void *maddr; /* mmap start address */
|
||
|
uid_t uid; /* user id */
|
||
|
gid_t gid; /* group id */
|
||
|
mode_t md; /* octal file permissions */
|
||
|
size_t size; /* member size */
|
||
|
time_t mtime; /* modification time */
|
||
|
int fd; /* file descriptor */
|
||
|
dev_t dev; /* inode's device */
|
||
|
ino_t ino; /* inode's number */
|
||
|
|
||
|
TAILQ_ENTRY(ar_obj) objs;
|
||
|
};
|
||
|
|
||
|
/*
|
||
|
* Structure encapsulates the "global" data for "ar" program.
|
||
|
*/
|
||
|
struct bsdar {
|
||
|
const char *filename; /* archive name. */
|
||
|
const char *posarg; /* position arg for modifiers -a, -b. */
|
||
|
char mode; /* program mode */
|
||
|
char compression; /* compression mode */
|
||
|
int options; /* command line options */
|
||
|
|
||
|
const char *progname; /* program name */
|
||
|
int argc;
|
||
|
char **argv;
|
||
|
|
||
|
/*
|
||
|
* Fields for the archive string table.
|
||
|
*/
|
||
|
char *as; /* buffer for archive string table. */
|
||
|
size_t as_sz; /* current size of as table. */
|
||
|
size_t as_cap; /* capacity of as table buffer. */
|
||
|
|
||
|
/*
|
||
|
* Fields for the archive symbol table.
|
||
|
*/
|
||
|
uint32_t s_cnt; /* current number of symbols. */
|
||
|
uint32_t *s_so; /* symbol offset table. */
|
||
|
size_t s_so_cap; /* capacity of so table buffer. */
|
||
|
char *s_sn; /* symbol name table */
|
||
|
size_t s_sn_cap; /* capacity of sn table buffer. */
|
||
|
size_t s_sn_sz; /* current size of sn table. */
|
||
|
/* Current member's offset (relative to the end of pseudo members.) */
|
||
|
off_t rela_off;
|
||
|
|
||
|
TAILQ_HEAD(, ar_obj) v_obj; /* object(member) list */
|
||
|
};
|
||
|
|
||
|
void bsdar_errc(struct bsdar *, int _eval, int _code,
|
||
|
const char *fmt, ...);
|
||
|
void bsdar_warnc(struct bsdar *, int _code, const char *fmt, ...);
|
||
|
void ar_mode_d(struct bsdar *bsdar);
|
||
|
void ar_mode_m(struct bsdar *bsdar);
|
||
|
void ar_mode_p(struct bsdar *bsdar);
|
||
|
void ar_mode_r(struct bsdar *bsdar);
|
||
|
void ar_mode_s(struct bsdar *bsdar);
|
||
|
void ar_mode_t(struct bsdar *bsdar);
|
||
|
void ar_mode_x(struct bsdar *bsdar);
|