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pwauth

PWAUTH(8)						      System Manager's Manual							 PWAUTH(8)

NAME

       pwauth - authenticator for mod_authnz_external and the Apache HTTP Daemon

SYNOPSIS

       pwauth

DESCRIPTION

       Pwauth  is an authenticator designed to be used with mod_auth_external or mod_authnz_external and the Apache HTTP Daemon to support reason-
       ably secure web authentication out of the system password database on most versions of Unix. Particulary -  secure  authentication  against
       PAM.

       The  simplest test pwauth is to start a root shell and just run pwauth. It will attempt to read the login and password from standard input,
       so type a login name, hit return, then type a password, and hit return (the password will echo on your screen). The check the  status  code
       that was returned (in csh: "echo $status" in sh: "echo $?").

       If  the	login/password were correct you should get a zero status code. If not, you will get some other value. See below the list of status
       codes to find the meaning of the various values returned. Any values 50 or greater indicate a configuration error.

STATUS CODES


       0 STATUS_OK
	      Login OK.

       1 STATUS_UNKNOWN
	      Nonexistant login or (for some configurations) incorrect password.

       2 STATUS_INVALID
	      Incorrect password (for some configurations).

       3 STATUS_BLOCKED
	      Uid number is below MIN_UNIX_UID value configured in config.h.

       4 STATUS_EXPIRED
	      Login ID has expired.

       5 STATUS_PW_EXPIRED
	      Login's password has expired.

       6 SSTATUS_NOLOGIN
	      Logins to system have been turned off (usually by /etc/nologin file).

       7 STATUS_MANYFAILES
	      Limit on number of bad logins exceeded.

       50 STATUS_INT_USER
	      pwauth was invoked by a uid not on the SERVER_UIDS list. If you get this error code, you probably have SERVER_UIDS  set  incorrectly
	      in pwauth's config.h file.

       51 STATUS_INT_ARGS
	      pwauth  was not given a login & password to check. The means the passing of data from mod_auth_external to pwauth is messed up. Most
	      likely one is trying to pass data via environment variables, while the other is trying to pass data via a pipe.

       52 STATUS_INT_ERR
	      one of several rare and unlikely internal errors occurred. You'll have to read the source code to figure these out.

       53 STATUS_INT_NOROOT
	      pwauth was not able to read the password database. Usually this means it is not running as root. (PAM and login.conf  configurations
	      will return 1 in this case.)

AUTHOR

       pwauth was written by Jan Wolter <jan@unixpapa.com>.

       This manual page was written by Hai Zaar <haizaar@haizaar.com>, for the Debian project (but may be used by others).

								    2009-05-02								 PWAUTH(8)

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

How to echo password characters

Discussion started by: mukluk

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Reading password and echo * character

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how to change root password using shell script with standard password

Discussion started by: kurva

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Difference between using "echo" builtin and /bin/echo

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