From b381fa4b132e0c3fba42e50c04b0ef4ed511176e Mon Sep 17 00:00:00 2001
From: Levi Neely <lneely@pascom.net>
Date: Wed, 20 May 2026 11:08:48 +0200
Subject: [PATCH] ollie-9p-mount: pass through actual 9P permissions

p9File.Getattr was hardcoding 0666 for all files, breaking
permission visibility in per-session mounts. Use the actual
mode from the 9P stat response instead.
---
 cmd/ollie-9p-mount/node.go | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/cmd/ollie-9p-mount/node.go b/cmd/ollie-9p-mount/node.go
index 0aa2530..1ee9355 100644
--- a/cmd/ollie-9p-mount/node.go
+++ b/cmd/ollie-9p-mount/node.go
@@ -99,16 +99,18 @@ func (f *p9File) Getattr(ctx context.Context, fh fs.FileHandle, out *fuse.AttrOu
 	if err != nil {
 		return syscall.ENOENT
 	}
-	// Report all files as rw so the kernel doesn't block writes;
-	// the 9P server enforces actual permissions.
-	out.Mode = 0666
+	out.Mode = uint32(dir.Mode) & 0777
 	out.Size = dir.Length
 	return 0
 }
 
 func (f *p9File) Setattr(ctx context.Context, fh fs.FileHandle, in *fuse.SetAttrIn, out *fuse.AttrOut) syscall.Errno {
 	// Accept truncate silently — 9P files are append/overwrite on write.
-	out.Mode = 0666
+	dir, err := f.fsys.Stat(f.path)
+	if err != nil {
+		return syscall.ENOENT
+	}
+	out.Mode = uint32(dir.Mode) & 0777
 	return 0
 }