[Samba] Dynamic Home Shares

[Brian Gregorcy]

Here is the script that we use to create the home directory when the user first logs in.



> humboldt samba # cat mkhomedir.sh
> #!/bin/bash
> # Creates home directories when account is created
> # gregorcy
> # Created: 03/21/2008
> # Last Mod: 06/10/2008 - Added the if for is fac and cleanup
> ###################################################################
> #
> # Variables
> hostname=`hostname`
> blessed="The permissions have been fixed "
> subject1="does not have valid email in our LDAP"
> subject2="A user is missing their homedir on  $hostname the home dir has been created but the old homedirs should be checked for data"
> emailto="support at che.utah.edu"
> emailmes="/tmp/emailmessage.txt"
> ldapmail=`ldapsearch -D "cn=***,ou=***,dc=*****,dc=utah,dc=edu" -b "ou=***,dc=***,dc=utah,dc=edu" -w ***** -x -LLL "(sAMAccountName=$1)" mail | grep mail | sed 's/......//'`
> ldapfac=`ldapsearch -D "cn=***,ou=***,dc=****,dc=utah,dc=edu" -b "ou=***,dc=***,dc=utah,dc=edu" -w ********* -x -LLL "(sAMAccountName=$1)" memberof >> /tmp/testfac`
> 
> 
> 
> 
> grep -q Faculty /tmp/testfac 
> isfac=$?
> echo $isfac
> 
> # functionville
> function createbless () {
>         touch /home/CHEMENG/$1/.blessed
> 	echo "$blessed" >> /home/CHEMENG/$1/.blessed
> 	#chown root:root /home/CHEMENG/$1/.blessed
>        	chmod 700 /home/CHEMENG/$1/.blessed
> }
> 
> 
> 
> # scriptage
> if [ ! -e /home/CHEMENG/$1 ]; then 
> 	echo "The home dir for "$1 "was not found probably was not migrated "> $emailmes
> 	mkdir /home/CHEMENG/$1 
> 	echo "Created the home directory but should check trashheap or CHE-2551-30 for old stuff" >> $emailmes
> 	mail -s "$subject2" support@***.utah.edu < $emailmes
> 	rm -r $emailmes
> fi
> 
> if [ ! -e /home/CHEMENG/$1/.blessed ]; then
> 	mkdir /home/CHEMENG/$1
> 		if [ $isfac = 0 ]; then
> 			xfs_quota -x -c "limit bsoft=61440M bhard=63000M $1" /home
> 		fi
> 
> 
> 		if [ $isfac != 0 ]; then 
> 			xfs_quota -x -c "limit bsoft=3072M bhard=3200M $1" /home
> 		fi
> 	#cp -r /etc/skel/* /home/CHEMENG/$1/* 
> 	
> 	chown "$1:CHEMENG+Domain Users" /home/CHEMENG/$1
> 	chmod -R 711 /home/CHEMENG/$1 	
> 		if [ -z $ldapmail ]; then	
> 			echo "Add the attribute mail to the user $1"> $emailmes
> 			echo "then manually :( create the .forward in /home/CHEMENG/$1" >> $emailmes
> 			echo "Or add the email attribute to the AD and delete the .blessed file " >> $emailmes
> 			mail -s "$1 $subject1"  support@***.utah.edu  < $emailmes
> 			rm -r $emailmes
> 			createbless $1
> 			exit 0
> 		fi
> 	touch /home/CHEMENG/$1/.forward
> 	echo "$ldapmail" >> /home/CHEMENG/$1/.forward
> 	#chown root:root /home/CHEMENG/$1/.forward
> 	chmod 700 /home/CHEMENG/$1/.forward
> 	createbless $1
> 	# mod the public_html folder so apache can see it
> 	chown -R "$1:apache" /home/CHEMENG/$1/public_html
> 	chmod -R 751 /home/CHEMENG/$1/public_html
> 	chmod -R g+s /home/CHEMENG/$1/public_html
> 
> 
> fi	
> 
> # Clean Up
> rm /tmp/testfac
> 
> exit 0
> 
> 
> # Notes
> # Basic premise for the .forward add
> # touch /home/CHEMENG/$1/foo.txt
> # echo "gregorcy@***.utah.edu" >> /home/CHEMENG/$1/foo.txt
> 
> # LDAP Search String
> # ldapsearch -D "cn=***,ou=********,dc=*********,dc=utah,dc=edu" -b "ou=*********8,dc=********,dc=utah,dc=edu" -w ******** -x -LLL "(sAMAccountName=********)" mail | grep mail
> # Output looks like this:
> # mail: jeri@***.utah.edu


Adam Williams wrote:
> see root preexec = in the man page.  so when they go to %U$ (such as 
> using logon home = z: ) it will run a script that creates the required 
> directory in /home/pc/
> 
> Ken Lupo wrote:
>> Hello,
>>
>> I am attempting to dynamically create user shares when they connect to the
>> server based on their username. I cannot use [homes]. My reasoning for this
>> is that the users require a $ at the end of the share or it becomes
>> confusing to them(long story). What I'm seeing is that some Windows XP
>> clients will connect to /home/<username> but other clients try to connect to
>> /home/<username>_ (with an underscore). For a work around I have symlinked
>> all home folders from <username> to <username>_
>>
>> Here is my smb.conf file:
>>
>> [global]
>>         workgroup = PC
>>         realm = PC.DOMAIN.COM
>>         server string = FILE
>>         security = ADS
>>         log file = /var/log/samba/%m.log
>>         local master = No
>>         idmap uid = 16777216-33554431
>>         idmap gid = 16777216-33554431
>>         winbind use default domain = Yes
>>         winbind offline logon = false
>>         store dos attributes = Yes
>>         ea support = Yes
>>         dns proxy = no
>>         socket options = TCP_NODELAY IPTOS_LOWDELAY SO_SNDBUF=8192
>> SO_RCVBUF=8192 SO_KEEPALIVE
>>         inherit acls = yes
>>         inherit permissions = yes
>>         map acl inherit = yes
>>
>> [%U$]
>>         path = /home/PC/%U
>>         comment = Homes
>>         read only = No
>>
>>
>> Any help would be greatly appreicated.
>>
>> Thank you,
>> Ken
>>