Linux 5.15+

• ksmbd.rst « cifs « filesystems « Documentation - kernel/git/torvalds/linux.git - Linux kernel source tree

既定値では無効のよう

$ grep CONFIG_SMB_SERVER ./.config
# CONFIG_SMB_SERVER is not set

有効にする

$ grep CONFIG_SMB_SERVER ./.config
CONFIG_SMB_SERVER=m
# CONFIG_SMB_SERVER_SMBDIRECT is not set
CONFIG_SMB_SERVER_CHECK_CAP_NET_ADMIN=y
# CONFIG_SMB_SERVER_KERBEROS5 is not set

$ git clone https://github.com/cifsd-team/ksmbd-tools
$ cd ksmbd-tools
$ ./autogen.sh
$ ./configure
  :                                                                                              
checking for glib-2.0 >= 2.40... no                                                                                                                  
configure: error: No glib2 (libglib2.0-dev or glib2-devel) was found  
$ sudo apt install libglib2.0-dev
$ ./configure
  :
checking for libnl-3.0 >= 3.0 libnl-genl-3.0 >= 3.0... no
configure: error: No libnl (libnl-3-dev or libnl3-devel) and libnl-genl (libnl-genl-3-dev) or were not found
$ sudo apt install libnl-3-dev libnl-genl-3-dev
$ ./configure
$ make
$ sudo checkinstall make install

KSMBD module のロード

$ uname -srm
Linux 5.15.1-le9-ksmbd x86_64
$ /sbin/modinfo -d ksmbd 
Linux kernel CIFS/SMB SERVER
$ /sbin/modinfo -V ksmbd 
kmod version 28
-ZSTD +XZ -ZLIB +LIBCRYPTO -EXPERIMENTAL
$ sudo modprobe -v ksmbd
insmod /lib/modules/5.15.1-le9-ksmbd/kernel/crypto/gcm.ko 
insmod /lib/modules/5.15.1-le9-ksmbd/kernel/fs/ksmbd/ksmbd.ko 

ksmbd-tools の導入

$ sudo apt install libglib2.0-dev libnl-3-dev libnl-genl-3-dev
$ git clone https://github.com/cifsd-team/ksmbd-tools
$ cd ksmbd-tools
$ ./autogen.sh
$ ./configure
$ make
$ sudo make install

$ sudo mkdir /etc/ksmbd #設定ディレクトリ作成
$ sudo ksmbd.adduser -a matoken #ユーザ追加(matoken)
/etc/ksmbd/smb.conf
$ sudo install -m 644 -o root -g root ./smb.conf.example /etc/ksmbd/smb.conf #設定ファイル作成( 設定項目は `Documentation/configuration.txt` )
$ sudo ksmbd.mountd #サービス開始(※smbdなどが動いていてもエラー出さない?)
$ sudo ksmbd.control -s #サービス終了

• https://gitlab.com/matoken/koedolug-2021.11/-/blob/master/slide/slide.adoc