Skip site navigation (1)Skip section navigation (2)
Date:      Sat, 9 Jun 2012 23:22:41 +0300
From:      Sami Halabi <sodynet1@gmail.com>
To:        Mark Saad <nonesuch@longcount.org>
Cc:        "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org>
Subject:   Re: su problem
Message-ID:  <CAEW%2Bogbd7s_c1DqbQSwDGuvEFu=gCWcVWZun3hFADRVzw2dPbQ@mail.gmail.com>
In-Reply-To: <4D5EE1C7-9297-415B-A5A0-45801B8A0182@longcount.org>
References:  <CAEW%2BogYrUso=nqx4dUx0rhr9XUFMmSSMP-fxNa03pgj8tNF%2B%2Bg@mail.gmail.com> <201206091035.q59AZWFB058742@lurza.secnetix.de> <CAOgwaMvp4AyLNdvENL9rXoP6D6w9JaTJr1ML5uxb28Tg9=W2uQ@mail.gmail.com> <CAEW%2BogZ3H%2BgP86zcme-nuucLyDHmUo05uZ3R7Jc1hBb_7FM4gg@mail.gmail.com> <20120609122457.GS13609@albert.catwhisker.org> <CAEW%2BogadUQzu6k1XMXyLkqjEuq-_6gShiG5mRKbBgKMyoviAEg@mail.gmail.com> <20120609123626.GT13609@albert.catwhisker.org> <CAEW%2BogY4zZLj=D9cKuoG58Ozn_UbXjx3GJCT_Gtd4f4zEp3D2A@mail.gmail.com> <4FD37CF3.109@rdtc.ru> <CAEW%2BogZ=nC6kGszy=krG8fbAno84AMxaPsrC5Fj1Z4zmtJMALg@mail.gmail.com> <4D5EE1C7-9297-415B-A5A0-45801B8A0182@longcount.org>

next in thread | previous in thread | raw e-mail | index | archive | help
I already posted that:

%ls -l /usr/bin/su
-r-sr-xr-x  1 root  wheel  16944 Jun  7 19:47 /usr/bin/su
%

Sami

On Sat, Jun 9, 2012 at 10:57 PM, Mark Saad <nonesuch@longcount.org> wrote:

>
>
>
> On Jun 9, 2012, at 2:45 PM, Sami Halabi <sodynet1@gmail.com> wrote:
>
> > Hi,
> >
> > %sysctl kern.console
> > kern.console: ttyv0,dcons,/dcons,ttyv0,uart,ucom,
> >
> > %tail /var/log/messages
> > Jun  7 19:54:35 vps16 kernel: Trying to mount root from ufs:/dev/da0s1a
> > Jun  7 19:54:36 vps16 kernel: bge0: link state changed to UP
> > Jun  7 20:18:04 vps16 kernel: ugen0.2: <vendor 0x09da> at usbus0
> > Jun  7 20:18:04 vps16 kernel: ukbd0: <vendor 0x09da USB Keyboard, class
> > 0/0, rev 1.10/2.50, addr 2> on usbus0
> > Jun  7 20:18:04 vps16 kernel: kbd2 at ukbd0
> > Jun  7 20:18:05 vps16 kernel: uhid0: <vendor 0x09da USB Keyboard, class
> > 0/0, rev 1.10/2.50, addr 2> on usbus0
> > Jun  7 20:19:37 vps16 login: ROOT LOGIN (root) ON ttyv1
> > Jun  7 20:21:19 vps16 kernel: ugen0.2: <vendor 0x09da> at usbus0
> > (disconnected)
> > Jun  7 20:21:19 vps16 kernel: ukbd0: at uhub0, port 1, addr 2
> (disconnected)
> > Jun  7 20:21:19 vps16 kernel: uhid0: at uhub0, port 1, addr 2
> (disconnected)
> > %
> >
> > the system was loaded with keyboard and disconnected later if i
> understand
> > the logs...
> >
> > New ideas are appreciated, and thanks in advance,
> > Sami
> >
> > On Sat, Jun 9, 2012 at 7:42 PM, Eugene Grosbein <egrosbein@rdtc.ru>
> wrote:
> >
> >> 09.06.2012 19:47, Sami Halabi =D0=BF=D0=B8=D1=88=D0=B5=D1=82:
> >>> %su -
> >>> Password:
> >>> load: 0.00  cmd: su 30588 [ttydcd] 0.91r 0.00u 0.00s 0% 2092k
> >>
> >> Perpaps, your system had no keyboard attached at boot time;
> >> or for some other reason it booted with /dev/console being serial
> console
> >> instead of vidconsole. su locks trying to access serial console
> >> that is /dev/ttyd0 by default and has Carrier Detect flag enabled.
> >> Hence, it waits for CD on the first serial port (miserably and
> hopelessly).
> >>
> >> You can check if it's true with "sysctl kern.console" command.
> >> You could ask someone to boot the system with keyboard attached -
> >> no need to type anything, though. The system should detect it
> >> and assingn /dev/ttyv0 as /dev/console instead of /dev/ttyd0.
> >> And "su" won't lock.
> >>
> >> Eugene Grosbein
> >>
> >
> >
> >
> > --
> > Sami Halabi
> > Information Systems Engineer
> > NMS Projects Expert
> > FreeBSD SysAdmin Expert
> > _______________________________________________
> > freebsd-stable@freebsd.org mailing list
> > http://lists.freebsd.org/mailman/listinfo/freebsd-stable
> > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.or=
g
> "
>
> Check the permissions on the su binary it could be missing the suid but.
>
> ---
> Mark saad | mark.saad@longcount.org
>
> _______________________________________________
> freebsd-stable@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-stable
> To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org"
>



--=20
Sami Halabi
Information Systems Engineer
NMS Projects Expert
FreeBSD SysAdmin Expert



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAEW%2Bogbd7s_c1DqbQSwDGuvEFu=gCWcVWZun3hFADRVzw2dPbQ>