/*
fuse_xattrs - Add xattrs support using sidecar files
- Copyright (C) 2016 Felipe Barriga Richards <felipe {at} felipebarriga.cl>
+ Copyright (C) 2016-2017 Felipe Barriga Richards <felipe {at} felipebarriga.cl>
Based on passthrough.c (libfuse example)
#include <fuse.h>
#include <stdio.h>
#include <string.h>
+#include <stdlib.h>
#include <unistd.h>
#include <dirent.h>
#include <errno.h>
+#include "xattrs_config.h"
+#include "utils.h"
+
int xmp_getattr(const char *path, struct stat *stbuf) {
int res;
- res = lstat(path, stbuf);
+ if (xattrs_config.show_sidecar == 0 && filename_is_sidecar(path) == 1) {
+ return -ENOENT;
+ }
+
+ char *_path = prepend_source_directory(path);
+ res = lstat(_path, stbuf);
+ free(_path);
+
if (res == -1)
return -errno;
int xmp_access(const char *path, int mask) {
int res;
+ if (xattrs_config.show_sidecar == 0 && filename_is_sidecar(path) == 1) {
+ return -ENOENT;
+ }
+
+ char *_path = prepend_source_directory(path);
+ res = access(_path, mask);
+ free(_path);
- res = access(path, mask);
if (res == -1)
return -errno;
int xmp_readlink(const char *path, char *buf, size_t size) {
int res;
+ if (xattrs_config.show_sidecar == 0 && filename_is_sidecar(path) == 1) {
+ return -ENOENT;
+ }
+
+ char *_path = prepend_source_directory(path);
+ res = readlink(_path, buf, size - 1);
+ free(_path);
- res = readlink(path, buf, size - 1);
if (res == -1)
return -errno;
(void) offset;
(void) fi;
- dp = opendir(path);
+ char *_path = prepend_source_directory(path);
+ dp = opendir(_path);
+ free(_path);
+
if (dp == NULL)
return -errno;
while ((de = readdir(dp)) != NULL) {
+ if (xattrs_config.show_sidecar == 0 && filename_is_sidecar(de->d_name) == 1) {
+ continue;
+ }
+
struct stat st;
memset(&st, 0, sizeof(st));
st.st_ino = de->d_ino;
int xmp_mknod(const char *path, mode_t mode, dev_t rdev) {
int res;
+ if (xattrs_config.show_sidecar == 0 && filename_is_sidecar(path) == 1) {
+ return -ENOENT;
+ }
+
+ char *_path = prepend_source_directory(path);
/* On Linux this could just be 'mknod(path, mode, rdev)' but this
is more portable */
if (S_ISREG(mode)) {
- res = open(path, O_CREAT | O_EXCL | O_WRONLY, mode);
+ res = open(_path, O_CREAT | O_EXCL | O_WRONLY, mode);
if (res >= 0)
res = close(res);
} else if (S_ISFIFO(mode))
- res = mkfifo(path, mode);
+ res = mkfifo(_path, mode);
else
- res = mknod(path, mode, rdev);
+ res = mknod(_path, mode, rdev);
+
+ free(_path);
if (res == -1)
return -errno;
int xmp_mkdir(const char *path, mode_t mode) {
int res;
+ if (xattrs_config.show_sidecar == 0 && filename_is_sidecar(path) == 1) {
+ return -ENOENT;
+ }
+
+ char *_path = prepend_source_directory(path);
+ res = mkdir(_path, mode);
+ free(_path);
- res = mkdir(path, mode);
if (res == -1)
return -errno;
int xmp_unlink(const char *path) {
int res;
+ if (xattrs_config.show_sidecar == 0 && filename_is_sidecar(path) == 1) {
+ return -ENOENT;
+ }
+
+ char *_path = prepend_source_directory(path);
+ res = unlink(_path);
+ free(_path);
- res = unlink(path);
if (res == -1)
return -errno;
int xmp_rmdir(const char *path) {
int res;
+ if (xattrs_config.show_sidecar == 0 && filename_is_sidecar(path) == 1) {
+ return -ENOENT;
+ }
+
+ char *_path = prepend_source_directory(path);
+ res = rmdir(_path);
+ free(_path);
- res = rmdir(path);
if (res == -1)
return -errno;
int xmp_symlink(const char *from, const char *to) {
int res;
+ if (xattrs_config.show_sidecar == 0) {
+ if (filename_is_sidecar(from) == 1 || filename_is_sidecar(to)) {
+ return -ENOENT;
+ }
+ }
+
+ char *_to = prepend_source_directory(to);
+ res = symlink(from, _to);
+ free(_to);
- res = symlink(from, to);
if (res == -1)
return -errno;
int xmp_rename(const char *from, const char *to) {
int res;
+ if (xattrs_config.show_sidecar == 0) {
+ if (filename_is_sidecar(from) == 1 || filename_is_sidecar(to)) {
+ return -ENOENT;
+ }
+ }
+
+ char *_from = prepend_source_directory(from);
+ char *_to = prepend_source_directory(to);
+ res = rename(_from, _to);
+ free(_from);
+ free(_to);
- res = rename(from, to);
if (res == -1)
return -errno;
int xmp_link(const char *from, const char *to) {
int res;
+ if (xattrs_config.show_sidecar == 0) {
+ if (filename_is_sidecar(from) == 1 || filename_is_sidecar(to)) {
+ return -ENOENT;
+ }
+ }
+
+ char *_from = prepend_source_directory(from);
+ char *_to = prepend_source_directory(to);
+ res = link(_from, _to);
+ free(_from);
+ free(_to);
- res = link(from, to);
if (res == -1)
return -errno;
int xmp_chmod(const char *path, mode_t mode) {
int res;
+ if (xattrs_config.show_sidecar == 0 && filename_is_sidecar(path) == 1) {
+ return -ENOENT;
+ }
+
+ char *_path = prepend_source_directory(path);
+ res = chmod(_path, mode);
+ free(_path);
- res = chmod(path, mode);
if (res == -1)
return -errno;
int xmp_chown(const char *path, uid_t uid, gid_t gid) {
int res;
+ if (xattrs_config.show_sidecar == 0 && filename_is_sidecar(path) == 1) {
+ return -ENOENT;
+ }
+
+ char *_path = prepend_source_directory(path);
+ res = lchown(_path, uid, gid);
+ free(_path);
- res = lchown(path, uid, gid);
if (res == -1)
return -errno;
int xmp_truncate(const char *path, off_t size) {
int res;
+ if (xattrs_config.show_sidecar == 0 && filename_is_sidecar(path) == 1) {
+ return -ENOENT;
+ }
+
+ char *_path = prepend_source_directory(path);
+ res = truncate(_path, size);
+ free(_path);
- res = truncate(path, size);
if (res == -1)
return -errno;
int xmp_utimens(const char *path, const struct timespec ts[2],
struct fuse_file_info *fi)
{
+ if (xattrs_config.show_sidecar == 0 && filename_is_sidecar(path) == 1) {
+ return -ENOENT;
+ }
+
(void) fi;
int res;
+ char *_path = prepend_source_directory(path);
/* don't use utime/utimes since they follow symlinks */
- res = utimensat(0, path, ts, AT_SYMLINK_NOFOLLOW);
+ res = utimensat(0, _path, ts, AT_SYMLINK_NOFOLLOW);
+ free(_path);
if (res == -1)
return -errno;
int xmp_open(const char *path, struct fuse_file_info *fi) {
int res;
+ if (xattrs_config.show_sidecar == 0 && filename_is_sidecar(path) == 1) {
+ return -ENOENT;
+ }
+
+ char *_path = prepend_source_directory(path);
+ res = open(_path, fi->flags);
+ free(_path);
- res = open(path, fi->flags);
if (res == -1)
return -errno;
}
int xmp_read(const char *path, char *buf, size_t size, off_t offset,
- struct fuse_file_info *fi) {
+ struct fuse_file_info *fi)
+{
+ if (xattrs_config.show_sidecar == 0 && filename_is_sidecar(path) == 1) {
+ return -ENOENT;
+ }
+
int fd;
int res;
(void) fi;
- fd = open(path, O_RDONLY);
+ char *_path = prepend_source_directory(path);
+ fd = open(_path, O_RDONLY);
+ free(_path);
+
if (fd == -1)
return -errno;
}
int xmp_write(const char *path, const char *buf, size_t size,
- off_t offset, struct fuse_file_info *fi) {
+ off_t offset, struct fuse_file_info *fi)
+{
+ if (xattrs_config.show_sidecar == 0 && filename_is_sidecar(path) == 1) {
+ return -ENOENT;
+ }
+
int fd;
int res;
(void) fi;
- fd = open(path, O_WRONLY);
+ char *_path = prepend_source_directory(path);
+ fd = open(_path, O_WRONLY);
+ free(_path);
+
if (fd == -1)
return -errno;
int xmp_statfs(const char *path, struct statvfs *stbuf) {
int res;
+ if (xattrs_config.show_sidecar == 0 && filename_is_sidecar(path) == 1) {
+ return -ENOENT;
+ }
+
+ char *_path = prepend_source_directory(path);
+ res = statvfs(_path, stbuf);
+ free(_path);
- res = statvfs(path, stbuf);
if (res == -1)
return -errno;
int xmp_fallocate(const char *path, int mode,
off_t offset, off_t length, struct fuse_file_info *fi)
{
+ if (xattrs_config.show_sidecar == 0 && filename_is_sidecar(path) == 1) {
+ return -ENOENT;
+ }
+
int fd;
int res;
if (mode)
return -EOPNOTSUPP;
- fd = open(path, O_WRONLY);
+ char *_path = prepend_source_directory(path);
+ fd = open(_path, O_WRONLY);
+ free(_path);
+
if (fd == -1)
return -errno;
projects / rrq / fuse_xattrs.git / blobdiff