Date: Wed, 17 Jan 1996 02:22:42 +0100 From: Wolfram Schneider <wosch@cs.tu-berlin.de> To: "\Ege R\xbekk" <aagero@aage.aage.priv.no> Cc: freebsd-bugs@freebsd.org Subject: getlogin() returns bogus username Message-ID: <199601170122.CAA01429@localhost> In-Reply-To: <199601161746.SAA03923@birk04.studby.uio.no>
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$ man 5 passwd
While it is possible to have multiple entries with identical login names
and/or identical user id's, it is usually a mistake to do so. Routines
that manipulate these files will often return only one of the multiple
entries, and that one by random selection.
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Wolfram
Ege Rxbekk writes:
>getlogin() does sometimes return the wrong username, e.g.
>
>$ ./getlogin
>getlogin: per-stia
>$ id
>uid=1000(aagero) gid=1000(aagero) groups=1000(aagero),0(wheel),2(kmem)
>
>That is, getlogin returns the same bogus name each time I call it. But
>if I login to a new session, e.g. rlogin localhost, getlogin() returns
>the same as getuid(). The user returned from getlogin is usually
>logged in when this happens.
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