From 280815f158491910609bdb8c7c4e74fb574b6044 Mon Sep 17 00:00:00 2001
From: ed <s@ocv.me>
Date: Sat, 20 Sep 2025 10:05:29 +0000
Subject: [PATCH] ftp: fix unmapped root; closes #827

---
 copyparty/ftpd.py | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/copyparty/ftpd.py b/copyparty/ftpd.py
index 66f233c1..9c9e7ff4 100644
--- a/copyparty/ftpd.py
+++ b/copyparty/ftpd.py
@@ -279,6 +279,10 @@ class FtpFs(AbstractedFS):
     def chdir(self, path: str) -> None:
         nwd = join(self.cwd, path)
         vfs, rem = self.hub.asrv.vfs.get(nwd, self.uname, False, False)
+        if not vfs.realpath:
+            self.cwd = nwd
+            return
+
         ap = vfs.canonical(rem)
         try:
             st = bos.stat(ap)
@@ -288,12 +292,9 @@ class FtpFs(AbstractedFS):
             # returning 550 is library-default and suitable
             raise FSE("No such file or directory")
 
-        if vfs.realpath:
-            avfs = vfs.chk_ap(ap, st)
-            if not avfs:
-                raise FSE("Permission denied", 1)
-        else:
-            avfs = vfs
+        avfs = vfs.chk_ap(ap, st)
+        if not avfs:
+            raise FSE("Permission denied", 1)
 
         self.cwd = nwd