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# Copyright 2021 syzkaller project authors. All rights reserved.
# Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.

include <uapi/linux/landlock.h>

resource fd_ruleset[fd]

landlock_create_ruleset(attr ptr[in, landlock_ruleset_attr], size bytesize[attr], flags const[0]) fd_ruleset
landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH(ruleset_fd fd_ruleset, rule_type const[LANDLOCK_RULE_PATH_BENEATH], rule_attr ptr[in, landlock_path_beneath_attr], flags const[0])
landlock_restrict_self(ruleset_fd fd_ruleset, flags const[0])

landlock_ruleset_attr {
	handled_fs_access	flags[landlock_access_flags, int64]
}

landlock_path_beneath_attr {
	allowed_access	flags[landlock_access_flags, int64]
	parent_fd	fd
} [packed]

landlock_access_flags = LANDLOCK_ACCESS_FS_EXECUTE, LANDLOCK_ACCESS_FS_MAKE_BLOCK, LANDLOCK_ACCESS_FS_MAKE_CHAR, LANDLOCK_ACCESS_FS_MAKE_DIR, LANDLOCK_ACCESS_FS_MAKE_FIFO, LANDLOCK_ACCESS_FS_MAKE_REG, LANDLOCK_ACCESS_FS_MAKE_SOCK, LANDLOCK_ACCESS_FS_MAKE_SYM, LANDLOCK_ACCESS_FS_READ_DIR, LANDLOCK_ACCESS_FS_READ_FILE, LANDLOCK_ACCESS_FS_REMOVE_DIR, LANDLOCK_ACCESS_FS_REMOVE_FILE, LANDLOCK_ACCESS_FS_WRITE_FILE