[BusyBox] [ANNOUNCE] utelnetd-0.1.1

WILSON,RICH (A-LakeStevens,ex1) rich_wilson at agilent.com
Mon May 20 14:03:03 UTC 2002


> ....and made sure that 
> /dev/pts was mounted.
# mount -t devpts none /dev/pts
# mount
/dev/root on / type ext2 (rw)
none on /proc type proc (rw)
/dev/mtdblock0 on /flash type jffs2 (rw)
none on /dev/pts type devpts (rw)   

Hmm, I forgot to do the mount.

# mount -t devpts none /dev/pts
# mount
/dev/root on / type ext2 (rw)
none on /proc type proc (rw)
/dev/mtdblock0 on /flash type jffs2 (rw)
none on /dev/pts type devpts (rw)   
#  Oh well, it didn't seem to make any
difference.

Rich Wilson
Agilent Technologies
425-335-2245
rich_wilson at agilent.com

> -----Original Message-----
> From: Glenn Heard [mailto:GHeard at AltronicInc.com]
> Sent: Wednesday, May 15, 2002 1:33 PM
> To: busybox at busybox.net
> Subject: RE: [BusyBox] [ANNOUNCE] utelnetd-0.1.1
> 
> 
> Hello,
> 
> 	I had the same problem on my bb system when I was 
> trying to use the telnetd patch with /dev/ptyxx. Mine worked 
> a lot better when I defined a devfs system and made sure that 
> /dev/pts was mounted. This worked, so I went away happy 
> without having to know why the old /dev/ptyxx method didn't work.
> 
> Glenn Heard		rayzer at zoominternet.net
> Software Engineer	gheard at altronicinc.com
> Altronic Inc.		www.altronicinc.com
> ICQ: 123194600		www.zoominternet.net/~rayzer
> ---
> 'hAS ANYONE SEEN MY cAPSLOCK KEY?'
> 
> > -----Original Message-----
> > From: WILSON,RICH (A-LakeStevens,ex1) 
> [mailto:rich_wilson at agilent.com]
> > Sent: Wednesday, May 15, 2002 4:12 PM
> > To: 'Robert Schwebel'; busybox at busybox.net
> > Subject: RE: [BusyBox] [ANNOUNCE] utelnetd-0.1.1
> > 
> > 
> > I thought I'd try this out on my system, and I'm having 
> some trouble.
> > 
> > What I did:
> > 
> >    Used uClibc
> >    Replaced the login program with "/bin/sh"
> >    Cross-compiled for PPC
> > 
> > What happened:
> >    Client is happy, echos characters, but shows no sign of 
> > any response
> >    On the server:
> > 
> > # utelnetd -d
> > telnetd: starting
> >   port: 23; login program: /bin/sh
> >   daemonizing
> > #
> > 
> >    And then, when it gets a connection,
> > 
> > getpty(): got pty /dev/pts/0
> > Ignoring IAC 0xff, DO, SUPPRESS GO AHEAD
> > Ignoring IAC 0xff, WILL, TERMINAL TYPE
> > Ignoring IAC 0xff, WONT, ECHO
> > Ignoring IAC 0xff, WONT, LFLOW
> > Ignoring IAC 0xff, DO, ECHO
> > 
> >    ps looks like
> > 
> > # ps
> >   PID  Uid     VmSize Stat Command
> >     1 0            668 S    init
> >     2 0                S    [keventd]
> >     3 0                S    [ksoftirqd_CPU0]
> >     4 0                S    [kswapd]
> >     5 0                S    [bdflush]
> >     6 0                S    [kupdated]
> >     7 0                S    [mtdblockd]
> >    15 0                S    [jffs2_gcd_mtd0]
> >    75 0            688 S    /bin/sh -i -s
> >    85 0            412 S    utelnetd -d
> >    88 0                Z    [utelnetd]
> >    89 0            668 R    ps
> > #    
> > 
> > Doing "killall utelnetd", the client notices and exits.
> > 
> > Any ideas?  I don't have time to go into debug mode at the moment.
> > 
> > Rich
> > 
> > Rich Wilson
> > Agilent Technologies
> > 425-335-2245
> > rich_wilson at agilent.com
> > 
> > > -----Original Message-----
> > > From: Robert Schwebel [mailto:robert at schwebel.de]
> > > Sent: Wednesday, May 15, 2002 12:10 AM
> > > To: busybox at busybox.net
> > > Subject: [BusyBox] [ANNOUNCE] utelnetd-0.1.1
> > > 
> > > 
> > > Hi, 
> > > 
> > > I have been searching for a standalone telnet daemon for 
> > > quite a long time
> > > yet, but didn't find something reasonable so far. Some time 
> > ago, Jörg
> > > Schmitz-Linneweber has posted a busybox applet on this list, 
> > > but due to
> > > security reasons it seems to be a bad idea to have telnetd 
> > > integrated into
> > > BB. So I have now taken Jörg's applet and made it standalone, 
> > > with some
> > > additions: 
> > > 
> > >   http://www.pengutronix.de/software/utelnetd_en.html
> > > 
> > > - Works standalone, so can be easily taken away on production 
> > > machines  
> > > - No problems with first login, <ctrl-c> character
> > > - Works with normal /dev and /devfs (for ptys) 
> > > - Not tested with uClibc yet
> > > 
> > > Thanks to Bjorn Wesen, Vladimir Oleynik and Joerg 
> > > Schmitz-Linneweber for
> > > the code! 
> > > 
> > > Any help, ideas and patches are welcome. 
> > > 
> > > Robert
> > > -- 
> > >  +--------------------------------------------------------+
> > >  | Dipl.-Ing. Robert Schwebel | http://www.pengutronix.de |
> > >  | Pengutronix - Linux Solutions for Science and Industry |
> > >  |   Braunschweiger Str. 79,  31134 Hildesheim, Germany   |
> > >  |    Phone: +49-5121-28619-0 |  Fax: +49-5121-28619-4    |
> > >  +--------------------------------------------------------+
> > > _______________________________________________
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> > > busybox at busybox.net
> > > http://busybox.net/mailman/listinfo/busybox
> > > 
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