diff options
Diffstat (limited to 'tools/testing/selftests/openat2/helpers.h')
| -rw-r--r-- | tools/testing/selftests/openat2/helpers.h | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/tools/testing/selftests/openat2/helpers.h b/tools/testing/selftests/openat2/helpers.h deleted file mode 100644 index 510e60602511..000000000000 --- a/tools/testing/selftests/openat2/helpers.h +++ /dev/null @@ -1,108 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Author: Aleksa Sarai <cyphar@cyphar.com> - * Copyright (C) 2018-2019 SUSE LLC. - */ - -#ifndef __RESOLVEAT_H__ -#define __RESOLVEAT_H__ - -#define _GNU_SOURCE -#include <stdint.h> -#include <stdbool.h> -#include <errno.h> -#include <linux/types.h> -#include "kselftest.h" - -#define ARRAY_LEN(X) (sizeof (X) / sizeof (*(X))) -#define BUILD_BUG_ON(e) ((void)(sizeof(struct { int:(-!!(e)); }))) - -#ifndef SYS_openat2 -#ifndef __NR_openat2 -#define __NR_openat2 437 -#endif /* __NR_openat2 */ -#define SYS_openat2 __NR_openat2 -#endif /* SYS_openat2 */ - -/* - * Arguments for how openat2(2) should open the target path. If @resolve is - * zero, then openat2(2) operates very similarly to openat(2). - * - * However, unlike openat(2), unknown bits in @flags result in -EINVAL rather - * than being silently ignored. @mode must be zero unless one of {O_CREAT, - * O_TMPFILE} are set. - * - * @flags: O_* flags. - * @mode: O_CREAT/O_TMPFILE file mode. - * @resolve: RESOLVE_* flags. - */ -struct open_how { - __u64 flags; - __u64 mode; - __u64 resolve; -}; - -#define OPEN_HOW_SIZE_VER0 24 /* sizeof first published struct */ -#define OPEN_HOW_SIZE_LATEST OPEN_HOW_SIZE_VER0 - -bool needs_openat2(const struct open_how *how); - -#ifndef RESOLVE_IN_ROOT -/* how->resolve flags for openat2(2). */ -#define RESOLVE_NO_XDEV 0x01 /* Block mount-point crossings - (includes bind-mounts). */ -#define RESOLVE_NO_MAGICLINKS 0x02 /* Block traversal through procfs-style - "magic-links". */ -#define RESOLVE_NO_SYMLINKS 0x04 /* Block traversal through all symlinks - (implies OEXT_NO_MAGICLINKS) */ -#define RESOLVE_BENEATH 0x08 /* Block "lexical" trickery like - "..", symlinks, and absolute - paths which escape the dirfd. */ -#define RESOLVE_IN_ROOT 0x10 /* Make all jumps to "/" and ".." - be scoped inside the dirfd - (similar to chroot(2)). */ -#endif /* RESOLVE_IN_ROOT */ - -#define E_func(func, ...) \ - do { \ - errno = 0; \ - if (func(__VA_ARGS__) < 0) \ - ksft_exit_fail_msg("%s:%d %s failed - errno:%d\n", \ - __FILE__, __LINE__, #func, errno); \ - } while (0) - -#define E_asprintf(...) E_func(asprintf, __VA_ARGS__) -#define E_chmod(...) E_func(chmod, __VA_ARGS__) -#define E_dup2(...) E_func(dup2, __VA_ARGS__) -#define E_fchdir(...) E_func(fchdir, __VA_ARGS__) -#define E_fstatat(...) E_func(fstatat, __VA_ARGS__) -#define E_kill(...) E_func(kill, __VA_ARGS__) -#define E_mkdirat(...) E_func(mkdirat, __VA_ARGS__) -#define E_mount(...) E_func(mount, __VA_ARGS__) -#define E_prctl(...) E_func(prctl, __VA_ARGS__) -#define E_readlink(...) E_func(readlink, __VA_ARGS__) -#define E_setresuid(...) E_func(setresuid, __VA_ARGS__) -#define E_symlinkat(...) E_func(symlinkat, __VA_ARGS__) -#define E_touchat(...) E_func(touchat, __VA_ARGS__) -#define E_unshare(...) E_func(unshare, __VA_ARGS__) - -#define E_assert(expr, msg, ...) \ - do { \ - if (!(expr)) \ - ksft_exit_fail_msg("ASSERT(%s:%d) failed (%s): " msg "\n", \ - __FILE__, __LINE__, #expr, ##__VA_ARGS__); \ - } while (0) - -int raw_openat2(int dfd, const char *path, void *how, size_t size); -int sys_openat2(int dfd, const char *path, struct open_how *how); -int sys_openat(int dfd, const char *path, struct open_how *how); -int sys_renameat2(int olddirfd, const char *oldpath, - int newdirfd, const char *newpath, unsigned int flags); - -int touchat(int dfd, const char *path); -char *fdreadlink(int fd); -bool fdequal(int fd, int dfd, const char *path); - -extern bool openat2_supported; - -#endif /* __RESOLVEAT_H__ */ |
