pam_exec man page on Manjaro

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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] [expose_authtok] [seteuid] [quiet] [stdout]
		   [log=file] [type=type] command [...]

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

       The child's environment is set to the current PAM environment list, as
       returned by pam_getenvlist(3) In addition, the following PAM items are
       exported as environment variables: PAM_RHOST, PAM_RUSER, PAM_SERVICE,
       PAM_TTY, PAM_USER and PAM_TYPE, which contains one of the module types:
       account, auth, password, open_session and close_session.

       Commands called by pam_exec need to be aware of that the user can have
       controll over the environment.

OPTIONS
       debug
	   Print debug information.

       expose_authtok
	   During authentication the calling command can read the password
	   from stdin(3).

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

       type=type
	   Only run the command if the module type matches the given type.

       stdout
	   Per default the output of the executed command is written to
	   /dev/null. With this option, the stdout output of the executed
	   command is redirected to the calling application. It's in the
	   responsibility of this application what happens with the output.
	   The log option is ignored.

       quiet
	   Per default pam_exec.so will echo the exit status of the external
	   command if it fails. Specifying this option will suppress the
	   message.

       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 TYPES PROVIDED
       All module types (auth, account, password and session) are provided.

RETURN VALUES
       PAM_SUCCESS
	   The external command was run successfully.

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

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

       PAM_IGNORE
	   pam_setcred was called, which does not execute the command. Or, the
	   value given for the type= parameter did not match the module type.

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

		   password optional pam_exec.so seteuid /usr/bin/make -C /var/yp

       This will execute the command

	   make -C /var/yp

       with effective user ID.

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

AUTHOR
       pam_exec was written by Thorsten Kukuk <kukuk@thkukuk.de> and Josh
       Triplett <josh@joshtriplett.org>.

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