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<chapter id="pdb-mysql">
<chapterinfo>
<author>
<firstname>Jelmer</firstname><surname>Vernooij</surname>
<affiliation>
<orgname>The Samba Team</orgname>
<address><email>jelmer@samba.org</email></address>
</affiliation>
</author>
<pubdate>November 2002</pubdate>
</chapterinfo>
<title>Passdb MySQL plugin</title>
<sect1>
<title>Building</title>
<para>To build the plugin, run <command>make bin/pdb_mysql.so</command>
in the <filename>source/</filename> directory of samba distribution.
</para>
<para>Next, copy pdb_mysql.so to any location you want. I
strongly recommend installing it in $PREFIX/lib or /usr/lib/samba/</para>
</sect1>
<sect1>
<title>Configuring</title>
<para>This plugin lacks some good documentation, but here is some short info:</para>
<para>Add a the following to the <command>passdb backend</command> variable in your <filename>smb.conf</filename>:
<programlisting>
passdb backend = [other-plugins] plugin:/location/to/pdb_mysql.so:identifier [other-plugins]
</programlisting>
</para>
<para>The identifier can be any string you like, as long as it doesn't collide with
the identifiers of other plugins or other instances of pdb_mysql. If you
specify multiple pdb_mysql.so entries in 'passdb backend', you also need to
use different identifiers!
</para>
<para>
Additional options can be given thru the smb.conf file in the [global] section.
</para>
<para><programlisting>
identifier:mysql host - host name, defaults to 'localhost'
identifier:mysql password
identifier:mysql user - defaults to 'samba'
identifier:mysql database - defaults to 'samba'
identifier:mysql port - defaults to 3306
identifier:table - Name of the table containing users
</programlisting></para>
<para>Names of the columns in this table(I've added column types those columns should have first):</para>
<para><programlisting>
identifier:logon time column - int(9)
identifier:logoff time column - int(9)
identifier:kickoff time column - int(9)
identifier:pass last set time column - int(9)
identifier:pass can change time column - int(9)
identifier:pass must change time column - int(9)
identifier:username column - varchar(255) - unix username
identifier:domain column - varchar(255) - NT domain user is part of
identifier:nt username column - varchar(255) - NT username
identifier:fullname column - varchar(255) - Full name of user
identifier:home dir column - varchar(255) - Unix homedir path
identifier:dir drive column - varchar(2) - Directory drive path (eg: 'H:')
identifier:logon script column - varchar(255) - Batch file to run on client side when logging on
identifier:profile path column - varchar(255) - Path of profile
identifier:acct desc column - varchar(255) - Some ASCII NT user data
identifier:workstations column - varchar(255) - Workstations user can logon to (or NULL for all)
identifier:unknown string column - varchar(255) - unknown string
identifier:munged dial column - varchar(255) - ?
identifier:uid column - int(9) - Unix user ID (uid)
identifier:gid column - int(9) - Unix user group (gid)
identifier:user sid column - varchar(255) - NT user SID
identifier:group sid column - varchar(255) - NT group ID
identifier:lanman pass column - varchar(255) - encrypted lanman password
identifier:nt pass column - varchar(255) - encrypted nt passwd
identifier:plain pass column - varchar(255) - plaintext password
identifier:acct control column - int(9) - nt user data
identifier:unknown 3 column - int(9) - unknown
identifier:logon divs column - int(9) - ?
identifier:hours len column - int(9) - ?
identifier:unknown 5 column - int(9) - unknown
identifier:unknown 6 column - int(9) - unknown
</programlisting></para>
<para>
Eventually, you can put a colon (:) after the name of each column, which
should specify the column to update when updating the table. You can also
specify nothing behind the colon - then the data from the field will not be
updated.
</para>
</sect1>
<sect1>
<title>Using plaintext passwords or encrypted password</title>
<para>
I strongly discourage the use of plaintext passwords, however, you can use them:
</para>
<para>
If you would like to use plaintext passwords, set 'identifier:lanman pass column' and 'identifier:nt pass column' to 'NULL' (without the quotes) and 'identifier:plain pass column' to the name of the column containing the plaintext passwords.
</para>
<para>
If you use encrypted passwords, set the 'identifier:plain pass column' to 'NULL' (without the quotes). This is the default.
</para>
</sect1>
<sect1>
<title>Getting non-column data from the table</title>
<para>
It is possible to have not all data in the database and making some 'constant'.
</para>
<para>
For example, you can set 'identifier:fullname column' to :
<command>CONCAT(First_name,' ',Sur_name)</command>
</para>
<para>
Or, set 'identifier:workstations column' to :
<command>NULL</command></para>
<para>See the MySQL documentation for more language constructs.</para>
</sect1>
</chapter>
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