dll: fuse: dot_hidden option adds hidden file attribute on dot files

src/dll/fuse/fuse.c

@@ -71,6 +71,9 @@ static struct fuse_opt fsp_fuse_core_opts[] =
     FSP_FUSE_CORE_OPT("rellinks", rellinks, 1),
     FSP_FUSE_CORE_OPT("norellinks", rellinks, 0),
 
+    FSP_FUSE_CORE_OPT("dot_hidden", dot_hidden, 1),
+    FSP_FUSE_CORE_OPT("nodot_hidden", dot_hidden, 0),
+
     FUSE_OPT_KEY("fstypename=", 'F'),
     FUSE_OPT_KEY("volname=", 'v'),
 
@@ -244,6 +247,7 @@ static int fsp_fuse_core_opt_proc(void *opt_data0, const char *arg, int key,
             "    -o uid=N                   set file owner (-1 for mounting user id)\n"
             "    -o gid=N                   set file group (-1 for mounting user group)\n"
             "    -o rellinks                interpret absolute symlinks as volume relative\n"
+            "    -o dot_hidden              dot files have the Windows hidden file attrib\n"
             "    -o volname=NAME            set volume label\n"
             "    -o VolumePrefix=UNC        set UNC prefix (/Server/Share)\n"
             "        --VolumePrefix=UNC     set UNC prefix (\\Server\\Share)\n"
@@ -425,6 +429,7 @@ FSP_FUSE_API struct fuse *fsp_fuse_new(struct fsp_fuse_env *env,
     f->set_uid = opt_data.set_uid; f->uid = opt_data.uid;
     f->set_gid = opt_data.set_gid; f->gid = opt_data.gid;
     f->rellinks = opt_data.rellinks;
+    f->dot_hidden = opt_data.dot_hidden;
     f->ThreadCount = opt_data.ThreadCount;
     memcpy(&f->ops, ops, opsize);
     f->data = data;

src/dll/fuse/fuse_intf.c

@@ -429,6 +429,15 @@ static NTSTATUS fsp_fuse_intf_GetFileInfoFunnel(FSP_FILE_SYSTEM *FileSystem,
     }
     if (StatEx)
         FileInfo->FileAttributes |= fsp_fuse_intf_MapFlagsToFileAttributes(stbuf.st_flags);
+    if (f->dot_hidden)
+    {
+        const char *basename = PosixPath;
+        for (const char *p = PosixPath; '\0' != *p; p++)
+            if ('/' == *p)
+                basename = p + 1;
+        if ('.' == basename[0])
+            FileInfo->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
+    }
     FileInfo->FileSize = stbuf.st_size;
     FileInfo->AllocationSize =
         (FileInfo->FileSize + AllocationUnit - 1) / AllocationUnit * AllocationUnit;
@@ -1712,7 +1721,7 @@ int fsp_fuse_intf_AddDirInfo(void *buf, const char *name,
         UINT32 Uid, Gid, Mode;
         NTSTATUS Result0;
 
-        Result0 = fsp_fuse_intf_GetFileInfoFunnel(dh->FileSystem, 0, 0, stbuf,
+        Result0 = fsp_fuse_intf_GetFileInfoFunnel(dh->FileSystem, name, 0, stbuf,
             &Uid, &Gid, &Mode, 0, &DirInfo->FileInfo);
         if (NT_SUCCESS(Result0))
             DirInfo->Padding[0] = 1; /* HACK: remember that the FileInfo is valid */

src/dll/fuse/library.h

@@ -53,6 +53,7 @@ struct fuse
     int set_uid, uid;
     int set_gid, gid;
     int rellinks;
+    int dot_hidden;
     unsigned ThreadCount;
     struct fuse_operations ops;
     void *data;
@@ -140,7 +141,8 @@ struct fsp_fuse_core_opt_data
         set_uid, uid,
         set_gid, gid,
         set_attr_timeout, attr_timeout,
-        rellinks;
+        rellinks,
+        dot_hidden;
     int set_FileInfoTimeout,
         set_DirInfoTimeout,
         set_EaTimeout,