From f5dbdedcc53d2c57b9ddecbe9248c90ef0fa08d6 Mon Sep 17 00:00:00 2001
From: Paul Eggert
Date: Mon, 15 Jul 2024 19:03:17 -0700
Subject: Update from Gnulib by running admin/merge-gnulib

---
 lib/qcopy-acl.c | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

(limited to 'lib/qcopy-acl.c')

diff --git a/lib/qcopy-acl.c b/lib/qcopy-acl.c
index dfc39cead05..877f42588b7 100644
--- a/lib/qcopy-acl.c
+++ b/lib/qcopy-acl.c
@@ -26,6 +26,20 @@
 #if USE_XATTR
 
 # include <attr/libattr.h>
+# include <string.h>
+
+# if HAVE_LINUX_XATTR_H
+#  include <linux/xattr.h>
+# endif
+# ifndef XATTR_NAME_NFSV4_ACL
+#  define XATTR_NAME_NFSV4_ACL "system.nfs4_acl"
+# endif
+# ifndef XATTR_NAME_POSIX_ACL_ACCESS
+#  define XATTR_NAME_POSIX_ACL_ACCESS "system.posix_acl_access"
+# endif
+# ifndef XATTR_NAME_POSIX_ACL_DEFAULT
+#  define XATTR_NAME_POSIX_ACL_DEFAULT "system.posix_acl_default"
+# endif
 
 /* Returns 1 if NAME is the name of an extended attribute that is related
    to permissions, i.e. ACLs.  Returns 0 otherwise.  */
@@ -33,7 +47,12 @@
 static int
 is_attr_permissions (const char *name, struct error_context *ctx)
 {
-  return attr_copy_action (name, ctx) == ATTR_ACTION_PERMISSIONS;
+  /* We need to explicitly test for the known extended attribute names,
+     because at least on CentOS 7, attr_copy_action does not do it.  */
+  return strcmp (name, XATTR_NAME_POSIX_ACL_ACCESS) == 0
+         || strcmp (name, XATTR_NAME_POSIX_ACL_DEFAULT) == 0
+         || strcmp (name, XATTR_NAME_NFSV4_ACL) == 0
+         || attr_copy_action (name, ctx) == ATTR_ACTION_PERMISSIONS;
 }
 
 #endif  /* USE_XATTR */
-- 
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