Add utime operations

src/fuse_operations.c

@@ -48,6 +48,8 @@
 
 int auto_create_perm = GRANT_TEMP;
 
+#define HAVE_UTIMENSAT
+
 /*
  * Sets the default permission granted by file creation.
  *
@@ -451,12 +453,21 @@ static int xmp_truncate(const char *path, off_t size,
 static int xmp_utimens(const char *path, const struct timespec ts[2],
                        struct fuse_file_info *fi) {
   int res;
+  struct process_info pi;
+  struct fuse_context *fc = fuse_get_context();
+
+  pi = get_process_info(fc->pid);
+
+  if (!interactive_access(path, pi, 0)) {
+    free(pi.name);
+    return -EACCES;
+  }
 
   /* don't use utime/utimes since they follow symlinks */
   if (fi)
     res = futimens(fi->fh, ts);
   else
-    res = utimensat(0, path, ts, AT_SYMLINK_NOFOLLOW);
+    res = source_utimens(path, ts, AT_SYMLINK_NOFOLLOW);
   if (res == -1)
     return -errno;
 
@@ -756,7 +767,7 @@ static const struct fuse_operations xmp_oper = {
     .chown = xmp_chown,
     .truncate = xmp_truncate,
 #ifdef HAVE_UTIMENSAT
-//  .utimens = xmp_utimens,
+    .utimens = xmp_utimens,
 #endif
     .create = xmp_create,
     .open = xmp_open,

src/sourcefs.c

@@ -277,3 +277,9 @@ int source_create(const char *filename, int flags, mode_t mode) {
   const char *relative_filename = source_filename_translate(filename);
   return openat(handle.root_fd, relative_filename, flags | O_CREAT, mode);
 }
+
+int source_utimens(const char *filename, const struct timespec ts[2],
+                   int flags) {
+  const char *relative_filename = source_filename_translate(filename);
+  return utimensat(handle.root_fd, relative_filename, ts, AT_SYMLINK_NOFOLLOW);
+}

src/sourcefs.h

@@ -138,4 +138,7 @@ int source_open(const char *filename, int flags);
  */
 int source_create(const char *filename, int flags, mode_t mode);
 
+int source_utimens(const char *filename, const struct timespec ts[2],
+                   int flags);
+
 #endif // !SOURCEFS_H