--- /dev/null
+<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:plaintext 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:plaintext pass column' to the name of the column containing the plaintext passwords.
+</para>
+
+<para>
+If you use encrypted passwords, set the 'identifier:plaintext 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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