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/*-
* 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.
*
* $Id: ar.h 2496 2012-04-24 02:33:40Z jkoshy $
*/
#include <libelf.h>
#include "_elftc.h"
/*
* 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 AR_D 0x1000 /* insert dummy mode, mtime, uid and gid */
#define AR_BSD 0x2000 /* use the BSD archive format */
#define DEF_BLKSZ 10240 /* default block size */
/* Special names. */
#define AR_STRINGTAB_NAME_SVR4 "//"
#define AR_SYMTAB_NAME_BSD "__.SYMDEF"
#define AR_SYMTAB_NAME_SVR4 "/"
/*
* Convenient wrapper for general libarchive error handling.
*/
#define AC(CALL) do { \
if ((CALL)) \
bsdar_errc(bsdar, 0, "%s", \
archive_error_string(a)); \
} while (0)
/*
* The 'ACV' wrapper is used for libarchive APIs that changed from
* returning 'void' to returning an 'int' in later versions of libarchive.
*/
#if ARCHIVE_VERSION_NUMBER >= 2000000
#define ACV(CALL) AC(CALL)
#else
#define ACV(CALL) do { \
(CALL); \
} while (0)
#endif
/*
* In-memory representation of archive member(object).
*/
struct ar_obj {
Elf *elf; /* object file descriptor */
char *name; /* member name */
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 */
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 *addlib; /* target of ADDLIB. */
const char *posarg; /* position arg for modifiers -a, -b. */
char mode; /* program mode */
int options; /* command line options */
FILE *output; /* default output stream */
const char *progname; /* program name */
int argc;
char **argv;
dev_t ar_dev; /* archive device. */
ino_t ar_ino; /* archive inode. */
/*
* 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 ar_mode_script(struct bsdar *ar);
void ar_read_archive(struct bsdar *_ar, int _mode);
void ar_write_archive(struct bsdar *_ar, int _mode);
void bsdar_errc(struct bsdar *, int _code, const char *fmt, ...);
int bsdar_is_pseudomember(struct bsdar *_ar, const char *_name);
const char *bsdar_strmode(mode_t m);
void bsdar_warnc(struct bsdar *, int _code, const char *fmt, ...);
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