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PAM_EXEC(8)		       Linux-PAM Manual			   PAM_EXEC(8)

NAME
       pam_exec - PAM module which calls an external command

SYNOPSIS
       pam_exec.so [debug] [seteuid] [log=file] command [...]

DESCRIPTION
       pam_exec is a PAM module that can be used to run an external command.

OPTIONS
       debug
	  Print debug information.

       log=file
	  The output of the command is appended to file

       seteuid
	  Per default pam_exec.so will execute the external command with the
	  real user ID of the calling process. Specifying this option means
	  the command is run with the effective user ID.

MODULE SERVICES PROVIDED
       The services auth, account, password and session are supported.

RETURN VALUES
       PAM_SUCCESS
	  The external command runs successfull.

       PAM_SERVICE_ERR
	  No argument or a wrong number of arguments were given.

       PAM_SYSTEM_ERR
	  A system error occured or the command to execute failed.

       PAM_IGNORE

	  pam_setcred was called, which does not execute the command.

EXAMPLES
       Add the following line to /etc/pam.d/passwd to rebuild the NIS database
       after each local password change:

		  passwd optional pam_exec.so seteuid make -C /var/yp

       This will execute the command

	  make -C /var/yp

       with effective user ID.

SEE ALSO
       pam.conf(5), pam.d(8), pam(8)

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

Linux-PAM Manual		  06/09/2006			   PAM_EXEC(8)

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