Date: Mon, 18 Jun 2007 13:50:46 +0100 From: Tom Evans <tevans.uk@googlemail.com> To: Kris Kennaway <kris@obsecurity.org> Cc: current@FreeBSD.org Subject: Re: Userland problems from kern.pts.enable=1 Message-ID: <1182171046.1253.10.camel@localhost> In-Reply-To: <20070617213948.GA50404@rot13.obsecurity.org> References: <20070617213948.GA50404@rot13.obsecurity.org>
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--=-eSQR+eTZXtdcAWXFnoXp Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On Sun, 2007-06-17 at 17:39 -0400, Kris Kennaway wrote: > When the kern.pts.enable sysctl is set to '1', pseudo-ttys are created > with device name /dev/pts/${NUMBER}. With some kernel fixes from kib > this appears to now be stable and the kernel side is ready for a > possible change of default. However, the new device naming confuses > some userland utilities. For example: >=20 > pointyhat# write simon > write: /dev/398: No such file or directory >=20 > simon was logged in on /dev/pts/398. >=20 > killall -t also fails to parse the new device format: >=20 > bento# ps -t pts/187 > PID TT STAT TIME COMMAND > 67734 187 Ss 0:00.04 /bin/csh > 72599 187 R+ 0:00.00 ps -t pts/187 > bento# killall -t pts/187 > killall: stat(/dev/ttypts/187): No such file or directory >=20 > It would also be useful if ps -t recognized a numeric argument as > magic and converted it to add the pts/. It already appears to do the > converse when displaying the TTY, as you can see above. >=20 > There are probably other utilities also affected. >=20 > Kris >=20 If no-one has already started working on these, I've had a look at a few of these utils and the changes look quite straightforward. I've been looking for something like this (simple enough for me to do, simple enough that a I can't =C2=A3$%^ it up too much) so I can contribute back to FreeBSD.=20 So far, I'm looking at usr.bin/killall, bin/ps and usr.bin/write Tom --=-eSQR+eTZXtdcAWXFnoXp Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (FreeBSD) iD8DBQBGdn+mlcRvFfyds/cRAuLqAJ48zWbq/ptxov2fPyzZVXTRSDms0gCgmB9J PCYj0ShIsxJa7iKUPz8scPo= =0HmC -----END PGP SIGNATURE----- --=-eSQR+eTZXtdcAWXFnoXp--
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