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PAM_UMASK(8)		       Linux-PAM Manual			  PAM_UMASK(8)

NAME
       pam_umask - PAM module to set the file mode creation mask

SYNOPSIS
       pam_umask.so [debug] [silent] [usergroups] [umask=mask]

DESCRIPTION
       pam_umask is a PAM module to set the file mode creation mask of the
       current environment. The umask affects the default permissions assigned
       to newly created files.

       The PAM module tries to get the umask value from the following places
       in the following order:

       ·   umask= argument

       ·   umask= entry in the user's GECOS field

       ·   UMASK= entry from /etc/default/login

       ·   UMASK entry from /etc/login.defs

       The GECOS field is split on comma ',' characters. The module also in
       addition to the umask= entry recognizes pri= entry, which sets the nice
       priority value for the session, and ulimit= entry, which sets the
       maximum size of files the processes in the session can create.

OPTIONS
       debug
	   Print debug information.

       silent
	   Don't print informative messages.

       usergroups
	   If the user is not root and the username is the same as primary
	   group name, the umask group bits are set to be the same as owner
	   bits (examples: 022 -> 002, 077 -> 007).

       umask=mask
	   Sets the calling process's file mode creation mask (umask) to mask
	   & 0777. The value is interpreted as Octal.

MODULE TYPES PROVIDED
       Only the session type is provided.

RETURN VALUES
       PAM_SUCCESS
	   The new umask was set successfully.

       PAM_SERVICE_ERR
	   No username was given.

       PAM_USER_UNKNOWN
	   User not known.

EXAMPLES
       Add the following line to /etc/pam.d/login to set the user specific
       umask at login:

		   session optional pam_umask.so umask=0022

SEE ALSO
       pam.conf(5), pam.d(5), pam(7)

AUTHOR
       pam_umask was written by Thorsten Kukuk <kukuk@thkukuk.de>.

Linux-PAM Manual		  09/19/2013			  PAM_UMASK(8)

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