#pragma once
/***
- This file is part of systemd.
-
Copyright 2010 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
+#include <dirent.h>
#include <fcntl.h>
#include <limits.h>
#include <stdbool.h>
int chmod_and_chown(const char *path, mode_t mode, uid_t uid, gid_t gid);
int fchmod_umask(int fd, mode_t mode);
+int fchmod_opath(int fd, mode_t m);
int fd_warn_permissions(const char *path, int fd);
int inotify_add_watch_fd(int fd, int what, uint32_t mask);
enum {
- CHASE_PREFIX_ROOT = 1U << 0, /* If set, the specified path will be prefixed by the specified root before beginning the iteration */
- CHASE_NONEXISTENT = 1U << 1, /* If set, it's OK if the path doesn't actually exist. */
- CHASE_NO_AUTOFS = 1U << 2, /* If set, return -EREMOTE if autofs mount point found */
- CHASE_SAFE = 1U << 3, /* If set, return EPERM if we ever traverse from unprivileged to privileged files or directories */
- CHASE_OPEN = 1U << 4, /* If set, return an O_PATH object to the final component */
+ CHASE_PREFIX_ROOT = 1 << 0, /* If set, the specified path will be prefixed by the specified root before beginning the iteration */
+ CHASE_NONEXISTENT = 1 << 1, /* If set, it's OK if the path doesn't actually exist. */
+ CHASE_NO_AUTOFS = 1 << 2, /* If set, return -EREMOTE if autofs mount point found */
+ CHASE_SAFE = 1 << 3, /* If set, return EPERM if we ever traverse from unprivileged to privileged files or directories */
+ CHASE_OPEN = 1 << 4, /* If set, return an O_PATH object to the final component */
+ CHASE_TRAIL_SLASH = 1 << 5, /* If set, any trailing slash will be preserved */
+ CHASE_STEP = 1 << 6, /* If set, just execute a single step of the normalization */
};
+/* How many iterations to execute before returning -ELOOP */
+#define CHASE_SYMLINKS_MAX 32
+
int chase_symlinks(const char *path_with_prefix, const char *root, unsigned flags, char **ret);
+int chase_symlinks_and_open(const char *path, const char *root, unsigned chase_flags, int open_flags, char **ret_path);
+int chase_symlinks_and_opendir(const char *path, const char *root, unsigned chase_flags, char **ret_path, DIR **ret_dir);
+int chase_symlinks_and_stat(const char *path, const char *root, unsigned chase_flags, char **ret_path, struct stat *ret_stat);
+
/* Useful for usage with _cleanup_(), removes a directory and frees the pointer */
static inline void rmdir_and_free(char *p) {
PROTECT_ERRNO;
int access_fd(int fd, int mode);
+void unlink_tempfilep(char (*p)[]);
int unlinkat_deallocate(int fd, const char *name, int flags);
int fsync_directory_of_file(int fd);