085d04c3dd
This option can be used to set a separate mode for useradd(8) and newusers(8) to create the home directories with. If this option is not set, the current behavior of using UMASK or the default umask is preserved. There are many distributions that set UMASK to 077 by default just to create home directories not readable by others and use things like /etc/profile, bashrc or sudo configuration files to set a less restrictive umask. This has always resulted in bug reports because it is hard to follow as users tend to change files like bashrc and are not about setting the umask to counteract the umask set in /etc/login.defs. A recent change in sudo has also resulted in many bug reports about this. sudo now tries to respect the umask set by pam modules and on systems where pam does not set a umask, the login.defs UMASK value is used.
57 lines
2.6 KiB
XML
57 lines
2.6 KiB
XML
<!--
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Copyright (c) 1991 - 1993, Julianne Frances Haugh
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Copyright (c) 1991 - 1993, Chip Rosenthal
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Copyright (c) 2007 - 2009, Nicolas François
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. The name of the copyright holders or contributors may not be used to
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endorse or promote products derived from this software without
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specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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-->
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<varlistentry>
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<term><option>UMASK</option> (number)</term>
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<listitem>
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<para>
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The file mode creation mask is initialized to this value. If not
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specified, the mask will be initialized to 022.
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</para>
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<para>
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<command>useradd</command> and <command>newusers</command> use this
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mask to set the mode of the home directory they create if
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<option>HOME_MODE</option> is not set.
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</para>
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<para condition="no_pam">
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It is also used by <command>login</command> to define users' initial
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umask. Note that this mask can be overridden by the user's GECOS
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line (if <option>QUOTAS_ENAB</option> is set) or by the
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specification of a limit with the <emphasis>K</emphasis> identifier
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in <citerefentry><refentrytitle>limits</refentrytitle>
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<manvolnum>5</manvolnum></citerefentry>.
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</para>
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<para condition="pam">
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It is also used by <command>pam_umask</command> as the default umask
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value.
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</para>
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</listitem>
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</varlistentry>
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