185 lines
5.7 KiB
C
185 lines
5.7 KiB
C
/*-
|
|
* 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef __LIBARCHIVE_BUILD
|
|
#error This header is only to be used internally to libarchive.
|
|
#endif
|
|
|
|
#ifndef ARCHIVE_ENTRY_PRIVATE_H_INCLUDED
|
|
#define ARCHIVE_ENTRY_PRIVATE_H_INCLUDED
|
|
|
|
#include "archive_string.h"
|
|
|
|
/*
|
|
* Handle wide character (i.e., Unicode) and non-wide character
|
|
* strings transparently.
|
|
*/
|
|
|
|
struct aes {
|
|
struct archive_string aes_mbs;
|
|
struct archive_string aes_utf8;
|
|
const wchar_t *aes_wcs;
|
|
/* Bitmap of which of the above are valid. Because we're lazy
|
|
* about malloc-ing and reusing the underlying storage, we
|
|
* can't rely on NULL pointers to indicate whether a string
|
|
* has been set. */
|
|
int aes_set;
|
|
#define AES_SET_MBS 1
|
|
#define AES_SET_UTF8 2
|
|
#define AES_SET_WCS 4
|
|
};
|
|
|
|
struct ae_acl {
|
|
struct ae_acl *next;
|
|
int type; /* E.g., access or default */
|
|
int tag; /* E.g., user/group/other/mask */
|
|
int permset; /* r/w/x bits */
|
|
int id; /* uid/gid for user/group */
|
|
struct aes name; /* uname/gname */
|
|
};
|
|
|
|
struct ae_xattr {
|
|
struct ae_xattr *next;
|
|
|
|
char *name;
|
|
void *value;
|
|
size_t size;
|
|
};
|
|
|
|
/*
|
|
* Description of an archive entry.
|
|
*
|
|
* Basically, this is a "struct stat" with a few text fields added in.
|
|
*
|
|
* TODO: Add "comment", "charset", and possibly other entries
|
|
* that are supported by "pax interchange" format. However, GNU, ustar,
|
|
* cpio, and other variants don't support these features, so they're not an
|
|
* excruciatingly high priority right now.
|
|
*
|
|
* TODO: "pax interchange" format allows essentially arbitrary
|
|
* key/value attributes to be attached to any entry. Supporting
|
|
* such extensions may make this library useful for special
|
|
* applications (e.g., a package manager could attach special
|
|
* package-management attributes to each entry). There are tricky
|
|
* API issues involved, so this is not going to happen until
|
|
* there's a real demand for it.
|
|
*
|
|
* TODO: Design a good API for handling sparse files.
|
|
*/
|
|
struct archive_entry {
|
|
/*
|
|
* Note that ae_stat.st_mode & AE_IFMT can be 0!
|
|
*
|
|
* This occurs when the actual file type of the object is not
|
|
* in the archive. For example, 'tar' archives store
|
|
* hardlinks without marking the type of the underlying
|
|
* object.
|
|
*/
|
|
|
|
/*
|
|
* Read archive_entry_copy_stat.c for an explanation of why I
|
|
* don't just use "struct stat" instead of "struct aest" here
|
|
* and why I have this odd pointer to a separately-allocated
|
|
* struct stat.
|
|
*/
|
|
void *stat;
|
|
int stat_valid; /* Set to 0 whenever a field in aest changes. */
|
|
|
|
struct aest {
|
|
int64_t aest_atime;
|
|
uint32_t aest_atime_nsec;
|
|
int64_t aest_ctime;
|
|
uint32_t aest_ctime_nsec;
|
|
int64_t aest_mtime;
|
|
uint32_t aest_mtime_nsec;
|
|
int64_t aest_birthtime;
|
|
uint32_t aest_birthtime_nsec;
|
|
gid_t aest_gid;
|
|
int64_t aest_ino;
|
|
mode_t aest_mode;
|
|
uint32_t aest_nlink;
|
|
uint64_t aest_size;
|
|
uid_t aest_uid;
|
|
/*
|
|
* Because converting between device codes and
|
|
* major/minor values is platform-specific and
|
|
* inherently a bit risky, we only do that conversion
|
|
* lazily. That way, we will do a better job of
|
|
* preserving information in those cases where no
|
|
* conversion is actually required.
|
|
*/
|
|
int aest_dev_is_broken_down;
|
|
dev_t aest_dev;
|
|
dev_t aest_devmajor;
|
|
dev_t aest_devminor;
|
|
int aest_rdev_is_broken_down;
|
|
dev_t aest_rdev;
|
|
dev_t aest_rdevmajor;
|
|
dev_t aest_rdevminor;
|
|
} ae_stat;
|
|
|
|
int ae_set; /* bitmap of fields that are currently set */
|
|
#define AE_SET_HARDLINK 1
|
|
#define AE_SET_SYMLINK 2
|
|
#define AE_SET_ATIME 4
|
|
#define AE_SET_CTIME 8
|
|
#define AE_SET_MTIME 16
|
|
#define AE_SET_BIRTHTIME 32
|
|
#define AE_SET_SIZE 64
|
|
|
|
/*
|
|
* Use aes here so that we get transparent mbs<->wcs conversions.
|
|
*/
|
|
struct aes ae_fflags_text; /* Text fflags per fflagstostr(3) */
|
|
unsigned long ae_fflags_set; /* Bitmap fflags */
|
|
unsigned long ae_fflags_clear;
|
|
struct aes ae_gname; /* Name of owning group */
|
|
struct aes ae_hardlink; /* Name of target for hardlink */
|
|
struct aes ae_pathname; /* Name of entry */
|
|
struct aes ae_symlink; /* symlink contents */
|
|
struct aes ae_uname; /* Name of owner */
|
|
|
|
/* Not used within libarchive; useful for some clients. */
|
|
struct aes ae_sourcepath; /* Path this entry is sourced from. */
|
|
|
|
/* ACL support. */
|
|
struct ae_acl *acl_head;
|
|
struct ae_acl *acl_p;
|
|
int acl_state; /* See acl_next for details. */
|
|
wchar_t *acl_text_w;
|
|
|
|
/* extattr support. */
|
|
struct ae_xattr *xattr_head;
|
|
struct ae_xattr *xattr_p;
|
|
|
|
/* Miscellaneous. */
|
|
char strmode[12];
|
|
};
|
|
|
|
|
|
#endif /* ARCHIVE_ENTRY_PRIVATE_H_INCLUDED */
|