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Unix Id from Window Login ID

 
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Old 10-14-2008
Question Unix Id from Window Login ID
Hello All,

My Problem is -> How can we get UNIX id from open mail authentication (Windows ID) in UNIX.

In following command we are using domain name, which may change in your reference.

As, if we use following command.
ypcat passwd | grep rohitp | cut -d: -f5 | cut -d, -f1
=> we get Windows Login ID of rohitp
Rohit Pandey

NOTE : "passwd" is domain name

But if we reverse this
ypcat passwd | grep "Rohit Pandey" | cut -d: -f 1

=> we get multiple UNIX id
flashweb
sramweb
ftmtrn21
nvmioweb
ftmweb
rohitp
ndlfweb
smtweb
wits
tcdweb
nvmpmweb
eclweb
nvmweb
Nvmsiweb


Reason behind multiple UNIX ID is, there may be multiple UNIX ID, whose owner is Rohit Pandey. But there may be specific ID which ownership only to Rohit Pandey. As in above example, ownership of nvmweb ID to multiple user but rohitp only belong to Rohit Pandey


So how i get this rohitp from this list or using other set of command. don't want to use pattern matching kind of command beacuse we don't have any idea about Windows Login Name n UNIX ID .


Regards
Rohit
 
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LEARN ABOUT FREEBSD

login

LOGIN(1)						    BSD General Commands Manual 						  LOGIN(1)

NAME

     login -- log into the computer

SYNOPSIS

     login [-fp] [-h hostname] [user]

DESCRIPTION

     The login utility logs users (and pseudo-users) into the computer system.

     If no user is specified, or if a user is specified and authentication of the user fails, login prompts for a user name.  Authentication of
     users is configurable via pam(8).	Password authentication is the default.

     The following options are available:

     -f      When a user name is specified, this option indicates that proper authentication has already been done and that no password need be
	     requested.  This option may only be used by the super-user or when an already logged in user is logging in as themselves.

     -h      Specify the host from which the connection was received.  It is used by various daemons such as telnetd(8).  This option may only be
	     used by the super-user.

     -p      By default, login discards any previous environment.  The -p option disables this behavior.

     Login access can be controlled via login.access(5) or the login class in login.conf(5), which provides allow and deny records based on time,
     tty and remote host name.

     If the file /etc/fbtab exists, login changes the protection and ownership of certain devices specified in this file.

     Immediately after logging a user in, login displays the system copyright notice, the date and time the user last logged in, the message of
     the day as well as other information.  If the file .hushlogin exists in the user's home directory, all of these messages are suppressed.
     This is to simplify logins for non-human users, such as uucp(1).

     The login utility enters information into the environment (see environ(7)) specifying the user's home directory (HOME), command interpreter
     (SHELL), search path (PATH), terminal type (TERM) and user name (both LOGNAME and USER).  Other environment variables may be set due to
     entries in the login class capabilities database, for the login class assigned in the user's system passwd record.  The login class also con-
     trols the maximum and current process resource limits granted to a login, process priorities and many other aspects of a user's login envi-
     ronment.

     Some shells may provide a builtin login command which is similar or identical to this utility.  Consult the builtin(1) manual page.

     The login utility will submit an audit record when login succeeds or fails.  Failure to determine the current auditing state will result in
     an error exit from login.

FILES

     /etc/fbtab 		  changes device protections
     /etc/login.conf		  login class capabilities database
     /etc/motd			  message-of-the-day
     /var/mail/user		  system mailboxes
     .hushlogin 		  makes login quieter
     /etc/pam.d/login		  pam(8) configuration file
     /etc/security/audit_user	  user flags for auditing
     /etc/security/audit_control  global flags for auditing

SEE ALSO

     builtin(1), chpass(1), csh(1), newgrp(1), passwd(1), rlogin(1), getpass(3), fbtab(5), login.access(5), login.conf(5), environ(7)

HISTORY

     A login utility appeared in Version 6 AT&T UNIX.

BSD
								September 13, 2006							       BSD