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// Copyright © Tavian Barnes <tavianator@tavianator.com>
// SPDX-License-Identifier: 0BSD
/**
* A facade over (file)system features that are (un)implemented differently
* between platforms.
*/
#ifndef BFS_FSADE_H
#define BFS_FSADE_H
#include "config.h"
#define BFS_CAN_CHECK_ACL BFS_USE_SYS_ACL_H
#if !defined(BFS_CAN_CHECK_CAPABILITIES) && BFS_USE_SYS_CAPABILITY_H
# include <sys/capability.h>
# ifdef CAP_CHOWN
# define BFS_CAN_CHECK_CAPABILITIES true
# endif
#endif
#define BFS_CAN_CHECK_CONTEXT BFS_USE_LIBSELINUX
#define BFS_CAN_CHECK_XATTRS (BFS_USE_SYS_EXTATTR_H || BFS_USE_SYS_XATTR_H)
struct BFTW;
/**
* Check if a file has a non-trivial Access Control List.
*
* @param ftwbuf
* The file to check.
* @return
* 1 if it does, 0 if it doesn't, or -1 if an error occurred.
*/
int bfs_check_acl(const struct BFTW *ftwbuf);
/**
* Check if a file has a non-trivial capability set.
*
* @param ftwbuf
* The file to check.
* @return
* 1 if it does, 0 if it doesn't, or -1 if an error occurred.
*/
int bfs_check_capabilities(const struct BFTW *ftwbuf);
/**
* Check if a file has any extended attributes set.
*
* @param ftwbuf
* The file to check.
* @return
* 1 if it does, 0 if it doesn't, or -1 if an error occurred.
*/
int bfs_check_xattrs(const struct BFTW *ftwbuf);
/**
* Check if a file has an extended attribute with the given name.
*
* @param ftwbuf
* The file to check.
* @param name
* The name of the xattr to check.
* @return
* 1 if it does, 0 if it doesn't, or -1 if an error occurred.
*/
int bfs_check_xattr_named(const struct BFTW *ftwbuf, const char *name);
/**
* Get a file's SELinux context
*
* @param ftwbuf
* The file to check.
* @return
* The file's SELinux context, or NULL on failure.
*/
char *bfs_getfilecon(const struct BFTW *ftwbuf);
/**
* Free a bfs_getfilecon() result.
*/
void bfs_freecon(char *con);
#endif // BFS_FSADE_H
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