pam_echo(8) [linux man page]

PAM_ECHO(8)							 Linux-PAM Manual						       PAM_ECHO(8)

NAME

       pam_echo - PAM module for printing text messages

SYNOPSIS

       pam_echo.so [file=/path/message]

DESCRIPTION

       The pam_echo PAM module is for printing text messages to inform user about special things. Sequences starting with the % character are
       interpreted in the following way:

       %H
	   The name of the remote host (PAM_RHOST).

       %h
	   The name of the local host.

       %s
	   The service name (PAM_SERVICE).

       %t
	   The name of the controlling terminal (PAM_TTY).

       %U
	   The remote user name (PAM_RUSER).

       %u
	   The local user name (PAM_USER).

       All other sequences beginning with % expands to the characters following the % character.

OPTIONS

       file=/path/message
	   The content of the file /path/message will be printed with the PAM conversion function as PAM_TEXT_INFO.

MODULE TYPES PROVIDED

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

RETURN VALUES

       PAM_BUF_ERR
	   Memory buffer error.

       PAM_SUCCESS
	   Message was successful printed.

       PAM_IGNORE
	   PAM_SILENT flag was given or message file does not exist, no message printed.

EXAMPLES

       For an example of the use of this module, we show how it may be used to print information about good passwords:

	   password optional pam_echo.so file=/usr/share/doc/good-password.txt
	   password required pam_unix.so

SEE ALSO

       pam.conf(8), pam.d(5), pam(7)

AUTHOR

       Thorsten Kukuk <kukuk@thkukuk.de>

Linux-PAM Manual						    06/04/2011							       PAM_ECHO(8)

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] [log=file] 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.

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

       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.

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>.

Linux-PAM Manual						    05/05/2010							       PAM_EXEC(8)