PAM_ECHO
Section: Linux-PAM Manual (8)
Updated: 11/25/2020
Page Index
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(8)
AUTHOR
Thorsten Kukuk <kukuk@thkukuk.de>