msnfs41client: Patches for test NFS server setup for Linux+misc, 2025-06-07
Posted by Anonymous on Sat 7th Jun 2025 17:18
raw | new post

From 23759a971008ee3f6dd0579a9a768be3ca9c5ba7 Mon Sep 17 00:00:00 2001
From: Roland Mainz <roland.mainz@nrubsig.org>
Date: Sat, 7 Jun 2025 16:32:07 +0200
Subject: [PATCH 1/2] tests: Document Linux NFS server setup

Document Linux NFS server setup, with XFS and FAT32 test
filesystems.

Signed-off-by: Cedric Blancher <cedric.blancher@gmail.com>
---
 tests/nfs_server_setup.txt | 57 ++++++++++++++++++++++++++++++++++++--
 1 file changed, 54 insertions(+), 3 deletions(-)

diff --git a/tests/nfs_server_setup.txt b/tests/nfs_server_setup.txt
index b9e2267..0e7393f 100644
--- a/tests/nfs_server_setup.txt
+++ b/tests/nfs_server_setup.txt
@@ -4,12 +4,63 @@

 #
 # TODO:
-# - Debian Linux NFSv4.2 server setup
-# - Solaris 11.4 NFSv4.1 server setup
-# - Illumos 11.4 NFSv4.1 server setup
 # - FreeBSD NFSv4.1 server setup
 #

+
+#
+# Debian Linux "Bullseye" NFSv4.2 server setup
+#
+
+##### 1. Setup
+---- snip ----
+# install packages
+apt-get install nfs-kernel-server nfs-common nfs4-acl-tools autofs
+
+# turn idmapper on, even for AUTH_SYS
+{
+        printf "[General]\n"
+        printf "Domain = GLOBAL.LOC\n"
+} >>'/etc/idmapd.conf'
+printf "options nfsd nfs4_disable_idmapping=N\noptions nfs nfs4_disable_idmapping=N\n" >>'/etc/modprobe.d/nfs.conf'
+printf "NEED_IDMAPD=yes\n" >>'/etc/default/nfs-common'
+
+# put an export in '/etc/exports'
+
+# start NFS server
+service nfs-server start
+---- snip ----
+
+
+##### 2. Setup a 16GB XFS filesystem with block cloning support
+---- snip ----
+time dd if=/dev/zero of=/bigdisk/xfstestfs001.img bs=$((1024*1024)) count=$((16*1024))
+mkfs.xfs -m reflink=1 /bigdisk/xfstestfs001.img
+mkdir /xfstestfs001
+chmod a+rwxt /xfstestfs001
+echo '/bigdisk/xfstestfs001.img /xfstestfs001 xfs loop 0 0' >>'/etc/fstab'
+#mount -o loop /bigdisk/xfstestfs001.img /xfstestfs001
+echo '/xfstestfs001 *(sec=sys,rw,async,insecure,no_root_squash,fsid=2172423)' >>'/etc/exports'
+mount /xfstestfs001
+service nfs-server restart
+---- snip ----
+
+
+##### 3. Setup a 16GB DOS FAT32 filesystem for testing:
+---- snip ----
+dd if='/dev/zero' of='/bigdisk/fat32_image.img' bs=$((1024*1024)) count=$((16*1024))
+mkfs.fat -F 32 '/bigdisk/fat32_image.img'
+mkdir /fat32_mount
+chmod -R a+rwx /fat32_mount
+chown 65534:65534 /fat32_mount
+#mount -o loop,uid=65534,gid=65534 /bigdisk/fat32_image.img /fat32_mount
+echo '/bigdisk/fat32_image.img /fat32_mount fat loop,uid=65534,gid=65534 0 0' >>'/etc/fstab'
+mount /fat32_mount
+echo '/fat32_mount *(sec=sys,rw,async,insecure,all_squash,anonuid=65534,anongid=65534,fsid=5272429)' >>'/etc/exports'
+service nfs-server restart
+---- snip ----
+
+
 #
 # Windows Server 2019 NFSv4.1 server setup
 #
--
2.45.1

From 24091cfe93d8c66d07ef46825b69625d070b102c Mon Sep 17 00:00:00 2001
From: Roland Mainz <roland.mainz@nrubsig.org>
Date: Sat, 7 Jun 2025 17:36:44 +0200
Subject: [PATCH 2/2] daemon: |nfs_file_info_to_attributes()| should only use
 |mode| if it is a valid attribute

|nfs_file_info_to_attributes()| should only use |mode| if it is a valid attribute

Signed-off-by: Cedric Blancher <cedric.blancher@gmail.com>
---
 daemon/fileinfoutil.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/daemon/fileinfoutil.c b/daemon/fileinfoutil.c
index f907b38..540994c 100644
--- a/daemon/fileinfoutil.c
+++ b/daemon/fileinfoutil.c
@@ -73,8 +73,10 @@ ULONG nfs_file_info_to_attributes(
     }

     EASSERT(bitmap_isset(&info->attrmask, 1, FATTR4_WORD1_MODE));
-    if (info->mode == 0444) /* XXX: 0444 for READONLY */
-        attrs |= FILE_ATTRIBUTE_READONLY;
+    if (bitmap_isset(&info->attrmask, 1, FATTR4_WORD1_MODE)) {
+        if (info->mode == 0444) /* XXX: 0444 for READONLY */
+            attrs |= FILE_ATTRIBUTE_READONLY;
+    }

     if (info->hidden)
         attrs |= FILE_ATTRIBUTE_HIDDEN;
--
2.45.1