15f8d4f33e
extern "C" declarations.
230 lines
9.8 KiB
C
230 lines
9.8 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.
|
|
*
|
|
* 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 ARCHIVE_ENTRY_H_INCLUDED
|
|
#define ARCHIVE_ENTRY_H_INCLUDED
|
|
|
|
#include <unistd.h>
|
|
#include <wchar.h>
|
|
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
|
|
/*
|
|
* Description of an archive entry.
|
|
*
|
|
* Basically, 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).
|
|
*/
|
|
struct archive_entry;
|
|
|
|
/*
|
|
* Basic object manipulation
|
|
*/
|
|
|
|
struct archive_entry *archive_entry_clear(struct archive_entry *);
|
|
/* The 'clone' function does a deep copy; all of the strings are copied too. */
|
|
struct archive_entry *archive_entry_clone(struct archive_entry *);
|
|
void archive_entry_free(struct archive_entry *);
|
|
struct archive_entry *archive_entry_new(void);
|
|
|
|
/*
|
|
* Retrieve fields from an archive_entry.
|
|
*/
|
|
|
|
time_t archive_entry_atime(struct archive_entry *);
|
|
long archive_entry_atime_nsec(struct archive_entry *);
|
|
time_t archive_entry_ctime(struct archive_entry *);
|
|
long archive_entry_ctime_nsec(struct archive_entry *);
|
|
dev_t archive_entry_dev(struct archive_entry *);
|
|
void archive_entry_fflags(struct archive_entry *,
|
|
unsigned long *set, unsigned long *clear);
|
|
const char *archive_entry_fflags_text(struct archive_entry *);
|
|
gid_t archive_entry_gid(struct archive_entry *);
|
|
const char *archive_entry_gname(struct archive_entry *);
|
|
const char *archive_entry_hardlink(struct archive_entry *);
|
|
ino_t archive_entry_ino(struct archive_entry *);
|
|
mode_t archive_entry_mode(struct archive_entry *);
|
|
time_t archive_entry_mtime(struct archive_entry *);
|
|
long archive_entry_mtime_nsec(struct archive_entry *);
|
|
const char *archive_entry_pathname(struct archive_entry *);
|
|
const wchar_t *archive_entry_pathname_w(struct archive_entry *);
|
|
dev_t archive_entry_rdev(struct archive_entry *);
|
|
dev_t archive_entry_rdevmajor(struct archive_entry *);
|
|
dev_t archive_entry_rdevminor(struct archive_entry *);
|
|
int64_t archive_entry_size(struct archive_entry *);
|
|
const struct stat *archive_entry_stat(struct archive_entry *);
|
|
const char *archive_entry_symlink(struct archive_entry *);
|
|
uid_t archive_entry_uid(struct archive_entry *);
|
|
const char *archive_entry_uname(struct archive_entry *);
|
|
|
|
/*
|
|
* Set fields in an archive_entry.
|
|
*
|
|
* Note that string 'set' functions do not copy the string, only the pointer.
|
|
* In contrast, 'copy' functions do copy the object pointed to.
|
|
*/
|
|
|
|
void archive_entry_copy_stat(struct archive_entry *, const struct stat *);
|
|
void archive_entry_set_atime(struct archive_entry *, time_t, long);
|
|
void archive_entry_set_ctime(struct archive_entry *, time_t, long);
|
|
void archive_entry_set_fflags(struct archive_entry *,
|
|
unsigned long set, unsigned long clear);
|
|
/* Returns pointer to start of first invalid token, or NULL if none. */
|
|
/* Note that all recognized tokens are processed, regardless. */
|
|
const wchar_t *archive_entry_copy_fflags_text_w(struct archive_entry *,
|
|
const wchar_t *);
|
|
void archive_entry_set_gid(struct archive_entry *, gid_t);
|
|
void archive_entry_set_gname(struct archive_entry *, const char *);
|
|
void archive_entry_copy_gname_w(struct archive_entry *, const wchar_t *);
|
|
void archive_entry_set_hardlink(struct archive_entry *, const char *);
|
|
void archive_entry_copy_hardlink(struct archive_entry *, const char *);
|
|
void archive_entry_copy_hardlink_w(struct archive_entry *, const wchar_t *);
|
|
void archive_entry_set_link(struct archive_entry *, const char *);
|
|
void archive_entry_set_mode(struct archive_entry *, mode_t);
|
|
void archive_entry_set_mtime(struct archive_entry *, time_t, long);
|
|
void archive_entry_set_pathname(struct archive_entry *, const char *);
|
|
void archive_entry_copy_pathname(struct archive_entry *, const char *);
|
|
void archive_entry_copy_pathname_w(struct archive_entry *, const wchar_t *);
|
|
void archive_entry_set_rdevmajor(struct archive_entry *, dev_t);
|
|
void archive_entry_set_rdevminor(struct archive_entry *, dev_t);
|
|
void archive_entry_set_size(struct archive_entry *, int64_t);
|
|
void archive_entry_set_symlink(struct archive_entry *, const char *);
|
|
void archive_entry_copy_symlink_w(struct archive_entry *, const wchar_t *);
|
|
void archive_entry_set_uid(struct archive_entry *, uid_t);
|
|
void archive_entry_set_uname(struct archive_entry *, const char *);
|
|
void archive_entry_copy_uname_w(struct archive_entry *, const wchar_t *);
|
|
|
|
/*
|
|
* ACL routines. This used to simply store and return text-format ACL
|
|
* strings, but that proved insufficient for a number of reasons:
|
|
* = clients need control over uname/uid and gname/gid mappings
|
|
* = there are many different ACL text formats
|
|
* = would like to be able to read/convert archives containing ACLs
|
|
* on platforms that lack ACL libraries
|
|
*/
|
|
|
|
/*
|
|
* Permission bits mimic POSIX.1e. Note that I've not followed POSIX.1e's
|
|
* "permset"/"perm" abstract type nonsense. A permset is just a simple
|
|
* bitmap, following long-standing Unix tradition.
|
|
*/
|
|
#define ARCHIVE_ENTRY_ACL_EXECUTE 1
|
|
#define ARCHIVE_ENTRY_ACL_WRITE 2
|
|
#define ARCHIVE_ENTRY_ACL_READ 4
|
|
|
|
/* We need to be able to specify either or both of these. */
|
|
#define ARCHIVE_ENTRY_ACL_TYPE_ACCESS 256
|
|
#define ARCHIVE_ENTRY_ACL_TYPE_DEFAULT 512
|
|
|
|
/* Tag values mimic POSIX.1e */
|
|
#define ARCHIVE_ENTRY_ACL_USER 10001 /* Specified user. */
|
|
#define ARCHIVE_ENTRY_ACL_USER_OBJ 10002 /* User who owns the file. */
|
|
#define ARCHIVE_ENTRY_ACL_GROUP 10003 /* Specified group. */
|
|
#define ARCHIVE_ENTRY_ACL_GROUP_OBJ 10004 /* Group who owns the file. */
|
|
#define ARCHIVE_ENTRY_ACL_MASK 10005 /* Modify group access. */
|
|
#define ARCHIVE_ENTRY_ACL_OTHER 10006 /* Public. */
|
|
|
|
/*
|
|
* Set the ACL by clearing it and adding entries one at a time.
|
|
* Unlike the POSIX.1e ACL routines, you must specify the type
|
|
* (access/default) for each entry. Internally, the ACL data is just
|
|
* a soup of entries. API calls here allow you to retrieve just the
|
|
* entries of interest. This design (which goes against the spirit of
|
|
* POSIX.1e) is useful for handling archive formats that combine
|
|
* default and access information in a single ACL list.
|
|
*/
|
|
void archive_entry_acl_clear(struct archive_entry *);
|
|
void archive_entry_acl_add_entry(struct archive_entry *,
|
|
int type, int permset, int tag, int qual, const char *name);
|
|
void archive_entry_acl_add_entry_w(struct archive_entry *,
|
|
int type, int permset, int tag, int qual, const wchar_t *name);
|
|
|
|
/*
|
|
* To retrieve the ACL, first "reset", then repeatedly ask for the
|
|
* "next" entry. The want_type parameter allows you to request only
|
|
* access entries or only default entries.
|
|
*/
|
|
int archive_entry_acl_reset(struct archive_entry *, int want_type);
|
|
int archive_entry_acl_next(struct archive_entry *, int want_type,
|
|
int *type, int *permset, int *tag, int *qual, const char **name);
|
|
int archive_entry_acl_next_w(struct archive_entry *, int want_type,
|
|
int *type, int *permset, int *tag, int *qual,
|
|
const wchar_t **name);
|
|
|
|
/*
|
|
* Construct a text-format ACL. The flags argument is a bitmask that
|
|
* can include any of the following:
|
|
*
|
|
* ARCHIVE_ENTRY_ACL_TYPE_ACCESS - Include access entries.
|
|
* ARCHIVE_ENTRY_ACL_TYPE_DEFAULT - Include default entries.
|
|
* ARCHIVE_ENTRY_ACL_STYLE_EXTRA_ID - Include extra numeric ID field in
|
|
* each ACL entry. (As used by 'star'.)
|
|
* ARCHIVE_ENTRY_ACL_STYLE_MARK_DEFAULT - Include "default:" before each
|
|
* default ACL entry.
|
|
*/
|
|
#define ARCHIVE_ENTRY_ACL_STYLE_EXTRA_ID 1024
|
|
#define ARCHIVE_ENTRY_ACL_STYLE_MARK_DEFAULT 2048
|
|
const wchar_t *archive_entry_acl_text_w(struct archive_entry *, int flags);
|
|
|
|
/* Return a count of entries matching 'want_type' */
|
|
int archive_entry_acl_count(struct archive_entry *, int want_type);
|
|
|
|
/*
|
|
* Private ACL parser. This is private because it handles some
|
|
* very weird formats that clients should not be messing with.
|
|
* Clients should only deal with their platform-native formats.
|
|
* Because of the need to support many formats cleanly, new arguments
|
|
* are likely to get added on a regular basis. Clients who try to use
|
|
* this interface are likely to be surprised when it changes.
|
|
*
|
|
* You were warned!
|
|
*/
|
|
int __archive_entry_acl_parse_w(struct archive_entry *,
|
|
const wchar_t *, int type);
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* !ARCHIVE_ENTRY_H_INCLUDED */
|