#include <limits.h>
#include <stdbool.h>
#include <stdint.h>
-#include <sys/inotify.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include "alloc-util.h"
#include "errno-util.h"
+#include "lock-util.h"
#include "time-util.h"
+#include "user-util.h"
#define MODE_INVALID ((mode_t) -1)
#define PTR_TO_MODE(p) ((mode_t) ((uintptr_t) (p)-1))
#define MODE_TO_PTR(u) ((void *) ((uintptr_t) (u)+1))
-int unlink_noerrno(const char *path);
-
int rmdir_parents(const char *path, const char *stop);
int rename_noreplace(int olddirfd, const char *oldpath, int newdirfd, const char *newpath);
int readlink_value(const char *p, char **ret);
int readlink_and_make_absolute(const char *p, char **r);
-int chmod_and_chown(const char *path, mode_t mode, uid_t uid, gid_t gid);
+int chmod_and_chown_at(int dir_fd, const char *path, mode_t mode, uid_t uid, gid_t gid);
+static inline int chmod_and_chown(const char *path, mode_t mode, uid_t uid, gid_t gid) {
+ return chmod_and_chown_at(AT_FDCWD, path, mode, uid, gid);
+}
int fchmod_and_chown_with_fallback(int fd, const char *path, mode_t mode, uid_t uid, gid_t gid);
static inline int fchmod_and_chown(int fd, mode_t mode, uid_t uid, gid_t gid) {
return fchmod_and_chown_with_fallback(fd, NULL, mode, uid, gid); /* no fallback */
int stat_warn_permissions(const char *path, const struct stat *st);
#define laccess(path, mode) \
- (faccessat(AT_FDCWD, (path), (mode), AT_SYMLINK_NOFOLLOW) < 0 ? -errno : 0)
+ RET_NERRNO(faccessat(AT_FDCWD, (path), (mode), AT_SYMLINK_NOFOLLOW))
int touch_file(const char *path, bool parents, usec_t stamp, uid_t uid, gid_t gid, mode_t mode);
-int touch(const char *path);
+
+static inline int touch(const char *path) {
+ return touch_file(path, false, USEC_INFINITY, UID_INVALID, GID_INVALID, MODE_INVALID);
+}
int symlink_idempotent(const char *from, const char *to, bool make_relative);
-int symlink_atomic(const char *from, const char *to);
-int mknod_atomic(const char *path, mode_t mode, dev_t dev);
-int mkfifo_atomic(const char *path, mode_t mode);
+int symlinkat_atomic_full(const char *from, int atfd, const char *to, bool make_relative);
+static inline int symlink_atomic(const char *from, const char *to) {
+ return symlinkat_atomic_full(from, AT_FDCWD, to, false);
+}
+
+int mknodat_atomic(int atfd, const char *path, mode_t mode, dev_t dev);
+static inline int mknod_atomic(const char *path, mode_t mode, dev_t dev) {
+ return mknodat_atomic(AT_FDCWD, path, mode, dev);
+}
+
int mkfifoat_atomic(int dir_fd, const char *path, mode_t mode);
+static inline int mkfifo_atomic(const char *path, mode_t mode) {
+ return mkfifoat_atomic(AT_FDCWD, path, mode);
+}
int get_files_in_directory(const char *path, char ***list);
int unlink_or_warn(const char *filename);
-#define INOTIFY_EVENT_MAX (sizeof(struct inotify_event) + NAME_MAX + 1)
-
-#define FOREACH_INOTIFY_EVENT(e, buffer, sz) \
- for ((e) = &buffer.ev; \
- (uint8_t*) (e) < (uint8_t*) (buffer.raw) + (sz); \
- (e) = (struct inotify_event*) ((uint8_t*) (e) + sizeof(struct inotify_event) + (e)->len))
-
-union inotify_event_buffer {
- struct inotify_event ev;
- uint8_t raw[INOTIFY_EVENT_MAX];
-};
-
-int inotify_add_watch_fd(int fd, int what, uint32_t mask);
-int inotify_add_watch_and_warn(int fd, const char *pathname, uint32_t mask);
-
-enum {
- CHASE_PREFIX_ROOT = 1 << 0, /* The specified path will be prefixed by the specified root before beginning the iteration */
- CHASE_NONEXISTENT = 1 << 1, /* It's OK if the path doesn't actually exist. */
- CHASE_NO_AUTOFS = 1 << 2, /* Return -EREMOTE if autofs mount point found */
- CHASE_SAFE = 1 << 3, /* Return -EPERM if we ever traverse from unprivileged to privileged files or directories */
- CHASE_TRAIL_SLASH = 1 << 4, /* Any trailing slash will be preserved */
- CHASE_STEP = 1 << 5, /* Just execute a single step of the normalization */
- CHASE_NOFOLLOW = 1 << 6, /* Do not follow the path's right-most component. With ret_fd, when the path's
- * right-most component refers to symlink, return O_PATH fd of the symlink. */
- CHASE_WARN = 1 << 7, /* Emit an appropriate warning when an error is encountered */
-};
-
-bool unsafe_transition(const struct stat *a, const struct stat *b);
-
-/* 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_path, int *ret_fd);
-
-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, int *ret_fd);
-
/* Useful for usage with _cleanup_(), removes a directory and frees the pointer */
static inline char *rmdir_and_free(char *p) {
PROTECT_ERRNO;
if (!p)
return NULL;
- (void) unlink_noerrno(p);
+ (void) unlink(p);
return mfree(p);
}
DEFINE_TRIVIAL_CLEANUP_FUNC(char*, unlink_and_free);
int unlinkat_deallocate(int fd, const char *name, UnlinkDeallocateFlags flags);
-int fsync_directory_of_file(int fd);
-int fsync_full(int fd);
-int fsync_path_at(int at_fd, const char *path);
-int fsync_parent_at(int at_fd, const char *path);
-int fsync_path_and_parent_at(int at_fd, const char *path);
-
-int syncfs_path(int atfd, const char *path);
-
-int open_parent(const char *path, int flags, mode_t mode);
+int open_parent_at(int dir_fd, const char *path, int flags, mode_t mode);
+static inline int open_parent(const char *path, int flags, mode_t mode) {
+ return open_parent_at(AT_FDCWD, path, flags, mode);
+}
int conservative_renameat(int olddirfd, const char *oldpath, int newdirfd, const char *newpath);
static inline int conservative_rename(const char *oldpath, const char *newpath) {
}
int posix_fallocate_loop(int fd, uint64_t offset, uint64_t size);
+
+int parse_cifs_service(const char *s, char **ret_host, char **ret_service, char **ret_path);
+
+int open_mkdir_at(int dirfd, const char *path, int flags, mode_t mode);
+
+int openat_report_new(int dirfd, const char *pathname, int flags, mode_t mode, bool *ret_newly_created);
+
+typedef enum XOpenFlags {
+ XO_LABEL = 1 << 0,
+ XO_SUBVOLUME = 1 << 1,
+} XOpenFlags;
+
+int xopenat_full(int dir_fd, const char *path, int open_flags, XOpenFlags xopen_flags, mode_t mode);
+static inline int xopenat(int dir_fd, const char *path, int open_flags) {
+ return xopenat_full(dir_fd, path, open_flags, 0, 0);
+}
+
+int xopenat_lock_full(int dir_fd, const char *path, int open_flags, XOpenFlags xopen_flags, mode_t mode, LockType locktype, int operation);
+static inline int xopenat_lock(int dir_fd, const char *path, int open_flags, LockType locktype, int operation) {
+ return xopenat_lock_full(dir_fd, path, open_flags, 0, 0, locktype, operation);
+}
+
+int link_fd(int fd, int newdirfd, const char *newpath);
+
+int linkat_replace(int olddirfd, const char *oldpath, int newdirfd, const char *newpath);
projects / thirdparty / systemd.git / blobdiff