Bug#224856: marked as done (getlogin returns at best null at worst random results)
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and subject line Bug#224856: getlogin returns at best null at worst random results
has caused the attached Bug report to be marked as done.
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From: "Kevin Stewart" <kevins@netgate.net.nz>
To: <submit@bugs.debian.org>
Subject: getlogin returns at best null at worst random results
Date: Tue, 23 Dec 2003 10:31:29 +1300
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Package: libc6-dev
Version: 2.3.2-9
Using this perl script and c code pair getlogin will often randomly return
another users name or null
exp.pl
#!/usr/local/bin/perl -w
use strict;
use Expect;
my $exp = Expect->spawn("./getlogin");
$exp->expect(10,"hello");
getlogin.c
#include <unistd.h>
int main (){
char * name;
name=getlogin();
printf("%s\n",name);
}
it also happens with this expect script
#!/usr/bin/expect -f
set timeout 5
spawn ./a.out
expect "hello";
Kevin Stewart
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<div class=3DSection1><pre><font size=3D2 face=3D"Courier New"><span
style=3D'font-size:10.0pt'>Package: =
libc6-dev</span></font></pre><pre><font
size=3D2 face=3D"Courier New"><span style=3D'font-size:10.0pt'>Version: =
2.3.2-9</span></font></pre><pre><font
size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt'> </span></font></pre><pre><font
size=3D2 face=3D"Courier New"><span style=3D'font-size:10.0pt'>Using =
this perl script and c code pair getlogin will often randomly return =
another users name or null</span></font></pre><pre><font
size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt'>exp.pl</span></font></pre>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>#!/usr/local/bin/perl -w</span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>use strict;</span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>use Expect;</span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>my $exp =3D =
Expect->spawn("./getlogin");</span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>$exp->expect(10,"hello");</span></font></=
p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>getlogin.c</span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>#include <unistd.h></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>int main (){</span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'> char * =
name;</span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'> =
name=3Dgetlogin();</span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'> =
printf("%s\n",name);</span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>}</span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>it also happens with this expect =
script</span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>#!/usr/bin/expect -f</span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>set timeout 5</span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>spawn ./a.out</span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>expect "hello";</span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Kevin Stewart</span></font></p>
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Received: (at 224856-done) by bugs.debian.org; 16 Apr 2005 12:23:40 +0000
>From gotom@debian.or.jp Sat Apr 16 05:23:40 2005
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Date: Sat, 16 Apr 2005 21:23:38 +0900
Message-ID: <81pswu52r9.wl@omega.webmasters.gr.jp>
From: GOTO Masanori <gotom@debian.or.jp>
To: "Kevin Stewart" <kevins@netgate.net.nz>,
224856-done@bugs.debian.org
Subject: Re: Bug#224856: getlogin returns at best null at worst random results
In-Reply-To: <81n01k8hit.wl@omega.webmasters.gr.jp>
References: <000601c3c8d2$f9a12200$2a1625ca@SKAVIN>
<81n01k8hit.wl@omega.webmasters.gr.jp>
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At Wed, 28 Jul 2004 21:04:26 +0900,
GOTO Masanori wrote:
> At Tue, 23 Dec 2003 10:31:29 +1300,
> Kevin Stewart wrote:
> > Package: libc6-dev
> > Version: 2.3.2-9
> >
> > Using this perl script and c code pair getlogin will often randomly return
> > another users name or null
>
> Is this bug still alive in the latest 2.3.2.ds1-13? I couldn't
> reappear it. So I tagged this bug as unreproducible. Could you test
> it again? If you have no objection, I'll close this bug.
No reply - I think this bug is fixed. I've closed it. Kevin, if you
see this bug again, please let us know and reopen this bug with the
detailed information.
Regards,
-- gotom
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