1 <samba:parameter name="passwd program"
4 advanced="1" developer="1"
5 xmlns:samba="http://www.samba.org/samba/DTD/samba-doc">
7 <para>The name of a program that can be used to set
8 UNIX user passwords. Any occurrences of <parameter moreinfo="none">%u</parameter>
9 will be replaced with the user name. The user name is checked for
10 existence before calling the password changing program.</para>
12 <para>Also note that many passwd programs insist in <emphasis>reasonable
13 </emphasis> passwords, such as a minimum length, or the inclusion
14 of mixed case chars and digits. This can pose a problem as some clients
15 (such as Windows for Workgroups) uppercase the password before sending
18 <para><emphasis>Note</emphasis> that if the <parameter moreinfo="none">unix
19 password sync</parameter> parameter is set to <constant>yes
20 </constant> then this program is called <emphasis>AS ROOT</emphasis>
21 before the SMB password in the smbpasswd
22 file is changed. If this UNIX password change fails, then
23 <command moreinfo="none">smbd</command> will fail to change the SMB password also
24 (this is by design).</para>
26 <para>If the <parameter moreinfo="none">unix password sync</parameter> parameter
27 is set this parameter <emphasis>MUST USE ABSOLUTE PATHS</emphasis>
28 for <emphasis>ALL</emphasis> programs called, and must be examined
29 for security implications. Note that by default <parameter moreinfo="none">unix
30 password sync</parameter> is set to <constant>no</constant>.</para>
33 <related>unix password symc</related>
35 <value type="default"></value>
36 <value type="example">/bin/passwd %u</value>