1PAM_ECHO(8)                    Linux-PAM Manual                    PAM_ECHO(8)
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NAME

6       pam_echo - PAM module for printing text messages
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SYNOPSIS

9       pam_echo.so [file=/path/message]
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DESCRIPTION

12       The pam_echo PAM module is for printing text messages to inform user
13       about special things. Sequences starting with the % character are
14       interpreted in the following way:
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16       %H
17           The name of the remote host (PAM_RHOST).
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19       %h
20           The name of the local host.
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22       %s
23           The service name (PAM_SERVICE).
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25       %t
26           The name of the controlling terminal (PAM_TTY).
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28       %U
29           The remote user name (PAM_RUSER).
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31       %u
32           The local user name (PAM_USER).
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34       All other sequences beginning with % expands to the characters
35       following the % character.
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OPTIONS

38       file=/path/message
39           The content of the file /path/message will be printed with the PAM
40           conversion function as PAM_TEXT_INFO.
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MODULE TYPES PROVIDED

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

46       PAM_BUF_ERR
47           Memory buffer error.
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49       PAM_SUCCESS
50           Message was successful printed.
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52       PAM_IGNORE
53           PAM_SILENT flag was given or message file does not exist, no
54           message printed.
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EXAMPLES

57       For an example of the use of this module, we show how it may be used to
58       print information about good passwords:
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60           password optional pam_echo.so file=/usr/share/doc/good-password.txt
61           password required pam_unix.so
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SEE ALSO

66       pam.conf(8), pam.d(5), pam(8)
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AUTHOR

69       Thorsten Kukuk <kukuk@thkukuk.de>
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73Linux-PAM Manual                  06/08/2020                       PAM_ECHO(8)
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