From: Eli Zaretskii <eliz@gnu.org>
Date: Thu, 11 Nov 2021 19:41:10 +0000 (+0200)
Subject: Fix ACL errors with WebDAV volumes on MS-Windows
X-Git-Tag: emacs-28.0.90~85
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=24b86cb4f7aa1e14dd9025428140c5fdae5c5227;p=emacs.git

Fix ACL errors with WebDAV volumes on MS-Windows

* src/w32.c (acl_get_file): Handle ERROR_INVALID_FUNCTION from
WebDAV.  Patch from Ioannis Kappas <ioannis.kappas@gmail.com>.
(Bug#51773)
---

diff --git a/src/w32.c b/src/w32.c
index 9fe698d28d7..80e42acf500 100644
--- a/src/w32.c
+++ b/src/w32.c
@@ -6595,7 +6595,8 @@ acl_get_file (const char *fname, acl_type_t type)
 		  xfree (psd);
 		  err = GetLastError ();
 		  if (err == ERROR_NOT_SUPPORTED
-		      || err == ERROR_ACCESS_DENIED)
+		      || err == ERROR_ACCESS_DENIED
+		      || err == ERROR_INVALID_FUNCTION)
 		    errno = ENOTSUP;
 		  else if (err == ERROR_FILE_NOT_FOUND
 			   || err == ERROR_PATH_NOT_FOUND
@@ -6614,10 +6615,11 @@ acl_get_file (const char *fname, acl_type_t type)
 		   || err == ERROR_INVALID_NAME)
 	    errno = ENOENT;
 	  else if (err == ERROR_NOT_SUPPORTED
-		   /* ERROR_ACCESS_DENIED is what we get for a volume
-		      mounted by WebDAV, which evidently doesn't
-		      support ACLs.  */
-		   || err == ERROR_ACCESS_DENIED)
+		   /* ERROR_ACCESS_DENIED or ERROR_INVALID_FUNCTION is
+		      what we get for a volume mounted by WebDAV,
+		      which evidently doesn't support ACLs.  */
+		   || err == ERROR_ACCESS_DENIED
+		   || err == ERROR_INVALID_FUNCTION)
 	    errno = ENOTSUP;
 	  else
 	    errno = EIO;