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Diffstat (limited to 'src/fsade.h')
-rw-r--r-- | src/fsade.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/fsade.h b/src/fsade.h new file mode 100644 index 0000000..eefef9f --- /dev/null +++ b/src/fsade.h @@ -0,0 +1,81 @@ +// 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 "prelude.h" + +#define BFS_CAN_CHECK_ACL (BFS_HAS_ACL_GET_FILE || BFS_HAS_ACL_TRIVIAL) + +#define BFS_CAN_CHECK_CAPABILITIES BFS_USE_LIBCAP + +#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 |