On Friday 23 June 2006 22:24, Joachim Schipper wrote:
>
> You could set up a named pipe (mkfifo(1)), and have a process
> continually drain it (cat /home/john/dev/null >/dev/null &); however,
> while this would work for the most likely use (writing to /dev/null), it
> wouldn't allow for reading.
>
On Friday 23 June 2006 16:42, Richard Wilson wrote:
> The only small fly in the ointment, is that according to
> http://pizzashack.org/rssh/platforms.shtml it doesn't work on *BSD,
> as it requires the missing wordexp() function. However, the page
> dates back to 2003, and I haven't the skills to c
Joshua Sandbrook wrote:
Gidday
Im writing a shell at the moment that chroots into a users home dir and then
runs only the sftp-server program ( which is in the uses home dir ).
Anyway, it wont work unless /dev/null is present in the chroot...
I am using execve to run sftp-server, and I am
On Fri, Jun 23, 2006 at 12:00:17PM +1200, Joshua Sandbrook wrote:
> On Thursday 22 June 2006 22:26, Joachim Schipper wrote:
> > A quick grep through /usr/src/usr.bin/ssh suggests that ssh (and, most
> > likely, sftp) interacts with /dev/null quite a bit. It might be possible
> > to change the code
Thanks for the reply...
It is sftp-server that tries to open /dev/null.
As I dont want to modify sftp-server or anything like that, I think im going
to just populate each chroot environment with a /dev/null. However, as I dont
want /home to have any devices on it, is there a way to have some s
On Wed, Jun 21, 2006 at 09:41:42AM +1200, Joshua Sandbrook wrote:
> Gidday
>
> Im writing a shell at the moment that chroots into a users home dir and then
> runs only the sftp-server program ( which is in the uses home dir ).
>
> Anyway, it wont work unless /dev/null is present in the chroot...
Can anyone help here?
Ive played wih fcntl's FD_CLOEXEC and what not.. it was set to 0, and yeah...
If someone can help solve this mystery then there is one less file required in
the chroot environment. A cleaner scponly shell :)
On Wednesday 21 June 2006 09:41, Joshua Sandbrook wrote:
> Gidday
Gidday
Im writing a shell at the moment that chroots into a users home dir and then
runs only the sftp-server program ( which is in the uses home dir ).
Anyway, it wont work unless /dev/null is present in the chroot...
I am using execve to run sftp-server, and I am wondering if it has somethin
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