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--- pages:howtos:suse:automount-cifs-share-with-autofs [2021/07/04 20:03] – mischerh
+++ pages:howtos:suse:automount-cifs-share-with-autofs [2024/05/21 09:08] (current) – [Map file] mischerh
@@ Line 1: / Line 1: @@
 {{tag>autofs cifs filesystem howto linux mount mounting samba smb suse tumbleweed}}
+<WRAP center round important 60%>
+**2022-11-30**: Please note that I have discovered, that this howto is more complicated than it needs to be and is not taking advantage of the flexibility offered by autofs. But... It will work for ONE user who needs shares from ONE server mounted into his/her/... home.
+Anyway, this howto needs refactoring... stay tuned.
+</WRAP>
 ====== automount CIFS share with autofs ======
@@ Line 109: / Line 117: @@
 # http://krisko210.blogspot.com/2016/06/autofs-automount-nfs-share.html
 # Note: Use cifs instead of smbfs:
-MOUNTOPTS="-fstype=cifs,file_mode=0644,dir_mode=0755,nounix,uid=1000,gid=100"
+MOUNTOPTS="-fstype=cifs,file_mode=0644,dir_mode=0755,nounix,uid=1000,gid=1000"
 SMBCLIENTOPTS=""
 for EACH in /bin /sbin /usr/bin /usr/sbin
@@ Line 189: / Line 197: @@
 ls -als /home/<myusername>/mnt/cifs/<mysambaserver.fqdn>/<share-name>
 </sxh>
+===== Script =====
+This script automates the whole process above. Please keep in mind to change the variables to fit your environment.
+<sxh bash; title: autofs.sh>
+#!/bin/bash
+#
+# Variables
+#
+_SMB_FQDN="your.smbserver.fqdn"                         # set to FQDN of your SMB-Server
+_SMB_USER="your SMB username"                           # set to your username
+_SMB_PASS="your SMB password"                           # set to your password
+_LOCAL_USER="your username on local machine"            # set to your local username
+_LOCAL_GROUP="your local group"                         # set to your local group
+_SMB_MOUNTPOINT="/home/${_LOCAL_USER}/mnt/cifs"         # set to path of your desired SMB base-mountpoint
+_BASE_MOUNTPOINT="/home/${_LOCAL_USER}/mnt"
+# don't touch
+_UNAME="$(uname -r)"
+_CIFSKM="/lib/modules/${_UNAME}/kernel/fs/cifs/cifs.ko.xz"
+_UID="$(id -u ${_LOCAL_USER})"
+_GID="$(id -g ${_LOCAL_USER})"
+zypper install -y autofs cifs-utils gigolo gvfs-backends gvfs-fuse fuse
+# exit if cifs kernel module is not present
+[ -f "${_CIFSKM}" ] || { echo "${_CIFSKM} does not exist. Exiting."; exit 1; }
+# test unauthenticated connection to SMB server
+smbclient -N -L //"${_SMB_FQDN}"/ > /dev/null 2>&1 || { echo "Unauthenticated connection to ${_SMB_FQDN} failed. Exiting."; exit 1; }
+# test authenticated connection to SMB server
+smbclient  --user="${_SMB_USER}%${_SMB_PASS}" -L //"${_SMB_FQDN}"/ > /dev/null 2>&1 || { echo "Authenticated connection to ${_SMB_FQDN} failed. Exiting."; exit 1; }
+# create mountpoint, set permissions
+mkdir -pv "${_SMB_MOUNTPOINT}"
+chown -R "${_LOCAL_USER}":"${_LOCAL_GROUP}" "${_BASE_MOUNTPOINT}"
+# create the mapfile
+cat > /etc/auto."${_SMB_FQDN}"-cifs << "ENDOFFILE"
+#!/bin/bash
+# $Id$
+# This file must be executable to work! chmod 755!
+#set -x
+KEY="${1}"
+# Note: create a cred file for each windows/Samba-Server in your network
+#       which requires password authentification.  The file should contain
+#       exactly two lines:
+#          username=user
+#          password=*****
+#       Please don't use blank spaces to separate the equal sign from the
+#       user account name or password.
+CREDFILE="/etc/autofs/keys/${KEY}"
+# # !!!!!!!!!!!!!!!!! PAY ATTENTION TO the CIFS VERSION in MOUNTOPTS !!!!!!!!!!!!!!!!!!!!!!!!!!!
+# https://www.raspberrypi.org/forums/viewtopic.php?t=201727 # https://www.raspberrypi.org/forums/viewtopic.php?t=211987
+# http://krisko210.blogspot.com/2016/06/autofs-automount-nfs-share.html
+# Note: Use cifs instead of smbfs:
+MOUNTOPTS="-fstype=cifs,file_mode=0644,dir_mode=0755,nounix,uid=____UID____,gid=____GID____"
+SMBCLIENTOPTS=""
+for EACH in /bin /sbin /usr/bin /usr/sbin
+do
+        if [ -x $EACH/smbclient ]
+        then
+                SMBCLIENT=$EACH/smbclient
+                break
+        fi
+done
+[ -x $SMBCLIENT ] || exit 1
+if [ -e "${CREDFILE}" ]
+then
+        MOUNTOPTS=$MOUNTOPTS",credentials=${CREDFILE}"
+        SMBCLIENTOPTS="-A "$CREDFILE
+else
+        SMBCLIENTOPTS="-N"
+fi
+$SMBCLIENT $SMBCLIENTOPTS -gL "${KEY}" 2>/dev/null \
+   | awk -v key="$KEY" -v opts="${MOUNTOPTS}" -F'|' -- '
+        BEGIN   { ORS=""; first=1 }
+        /Disk/  { if (first) { print opts; first=0 };
+                  gsub(/ /, "\\ ", $2);
+                  sub(/\$/, "\\$", $2);
+                  print " \\\n\t /" $2, "://" key "/" $2 }
+        END     { if (!first) print "\n"; else exit 1 }
+        '
+ENDOFFILE
+# insert UID and GID
+sed -i "s/____UID____/${_UID}/" /etc/auto."${_SMB_FQDN}"-cifs
+sed -i "s/____GID____/${_GID}/" /etc/auto."${_SMB_FQDN}"-cifs
+# set permissions for mapfile
+chmod 755 /etc/auto."${_SMB_FQDN}"-cifs
+# create keyfile
+mkdir -pv /etc/autofs/keys/
+cat > /etc/autofs/keys/"${_SMB_FQDN}" << "ENDOFFILE"
+username=____USERNAME____
+password=____PASSWORD____
+ENDOFFILE
+# insert username and password
+sed -i "s/____USERNAME____/${_SMB_USER}/" /etc/autofs/keys/"${_SMB_FQDN}"
+sed -i "s/____PASSWORD____/${_SMB_PASS}/" /etc/autofs/keys/"${_SMB_FQDN}"
+# set permissions for keyfile
+chown root:root /etc/autofs/keys/"${_SMB_FQDN}"
+chmod 600 /etc/autofs/keys/"${_SMB_FQDN}"
+# Master-Map
+echo "${_SMB_MOUNTPOINT} /etc/auto.${_SMB_FQDN}-cifs --timeout=60 --ghost" >>/etc/auto.master
+systemctl enable autofs
+service autofs start
+</sxh>
+----
+~~DISCUSSION~~