From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6A678A5C for ; Thu, 21 Dec 2023 14:42:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="mDXidEHH" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 32C84C433C8; Thu, 21 Dec 2023 14:42:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1703169751; bh=lm6Et6KeJqB/ru8vAwgvjy1g645/LV/qh/uxC6R74As=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=mDXidEHHD81hRDJPxglGacWKNV5KT0HEJdCm0CtbaY5XPPbkyMkc4lUEAPyG+S1Fe 9cCCnxKKMJNxbNO4HZi8DwRJqhxRvRUZu/g/4TcLjbrGtEZLnM+EXXbr93QcKz/cO+ vz7Mv6yDSisbjzwuZi8IdqnnrF6xjys6cFD5h8s3NJIWNwphRNwKQxaPRWXKSSuBvG R/t5p1DjEszeMTBYX8Yg0Ir3ZoTOldlfr5XvCM1VxW0uHJ80aqDVxLvAzOSJ3str8F 4OIQ94mFXtJqq1yXkrGpHYA8Fdi3JopZZSY0+QPaY1JaaXgVO/isSjRyKaEFr7bkf5 ZLqKr/cYokwuA== Date: Thu, 21 Dec 2023 15:42:27 +0100 From: Alejandro Colomar To: =?utf-8?Q?G=C3=BCnther?= Noack Cc: linux-man@vger.kernel.org, Hanno =?utf-8?B?QsO2Y2s=?= , Greg Kroah-Hartman Subject: Re: [PATCH] ioctl_console: Document new CAP_SYS_ADMIN restrictions (since Linux 6.7) Message-ID: References: <20231201122645.3237941-1-gnoack@google.com> Precedence: bulk X-Mailing-List: linux-man@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="6aBErLwFJ3uQdKsM" Content-Disposition: inline In-Reply-To: <20231201122645.3237941-1-gnoack@google.com> --6aBErLwFJ3uQdKsM Content-Type: text/plain; protected-headers=v1; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Date: Thu, 21 Dec 2023 15:42:27 +0100 From: Alejandro Colomar To: =?utf-8?Q?G=C3=BCnther?= Noack Cc: linux-man@vger.kernel.org, Hanno =?utf-8?B?QsO2Y2s=?= , Greg Kroah-Hartman Subject: Re: [PATCH] ioctl_console: Document new CAP_SYS_ADMIN restrictions (since Linux 6.7) Hi G=C3=BCnther, > Cc: Alejandro Colomar I'm deprecating my gmail address; please use . On Fri, Dec 01, 2023 at 01:26:45PM +0100, G=C3=BCnther Noack wrote: > Since Linux commit 8d1b43f6a6df7bce ("tty: Restrict access to TIOCLINUX' > copy-and-paste subcommands"), the TIOCL_SETSEL, TIOCL_PASTESEL and > TIOCL_SELLOADLUT subcommands require CAP_SYS_ADMIN. >=20 > Cc: Hanno B=C3=B6ck > Cc: Greg Kroah-Hartman > Signed-off-by: G=C3=BCnther Noack > --- Patch applied; sorry for the delay. :) Have a lovely day, Alex > man2/ioctl_console.2 | 12 ++++++++++++ > 1 file changed, 12 insertions(+) >=20 > diff --git a/man2/ioctl_console.2 b/man2/ioctl_console.2 > index 684b4d013..abc50b786 100644 > --- a/man2/ioctl_console.2 > +++ b/man2/ioctl_console.2 > @@ -715,12 +715,20 @@ is 0 for character-by-character selection, > or 2 for line-by-line selection. > The indicated screen characters are highlighted and saved > in a kernel buffer. > +.IP > +Since Linux 6.7, using this subcode requires the > +.B CAP_SYS_ADMIN > +capability. > .TP > .BR TIOCLINUX ", " subcode =3D TIOCL_PASTESEL > Paste selection. > The characters in the selection buffer are > written to > .IR fd . > +.IP > +Since Linux 6.7, using this subcode requires the > +.B CAP_SYS_ADMIN > +capability. > .TP > .BR TIOCLINUX ", " subcode =3D TIOCL_UNBLANKSCREEN > Unblank the screen. > @@ -729,6 +737,10 @@ Unblank the screen. > Sets contents of a 256-bit look up table defining characters in a "word", > for word-by-word selection. > (Since Linux 1.1.32.) > +.IP > +Since Linux 6.7, using this subcode requires the > +.B CAP_SYS_ADMIN > +capability. > .TP > .BR TIOCLINUX ", " subcode =3D TIOCL_GETSHIFTSTATE > .I argp > --=20 > 2.43.0.rc2.451.g8631bc7472-goog >=20 --=20 Looking for a remote C programming job at the moment. --6aBErLwFJ3uQdKsM Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE6jqH8KTroDDkXfJAnowa+77/2zIFAmWETtMACgkQnowa+77/ 2zKBGw/8CUl5CH20NvNx3M8AbPTrcKIVzWGCq5S5CYGnErmm1MnkNn/0OP/IJ/PA GSPYOPut4F0TjIYjb10rAm0RtD4id6pbrrMGhFVDc8Tz6XMUC/7KcCGtxz6Ei0LC EAZXpBZ6FeKxJFr6+OQPFZMTDzMgMjbdCukUDybxokcEGF3osMin4I8zjXJv8/Za btNJGERV6UZSEgYAKWiAeAwARmNcb+K2BhGKSNSoSaCsd7FBAiuSeVA9+9u+1wN0 P49/Hk6LXBUgqaeMyDTBJ7C9095cQIU1Z/xRw7rX9E0xUGKcVBeUnnejtLI2ugKD aDstmmLP/mzWu6Xnuf3nhZbjugkkQ4IVnvWVpAEF08FDNN3tMWIOhd22oKkkCQwW dR2aqJnf4ToEFjdxKYNtHVcPSl6b4xrZ3fDJ/ANHw1T9M8h9CYd/4BZ4l7ZAkiNa 5/TVjiCrnJIS8euojt9F3a96dfrBJNUYAkRyrD/69koy96hK5slK0DM0S3XaKNH+ EbMzJOXve+CkPwulaSCHV8/A7pPnDLMft27FyIrUAwCovhcUM3XCC97x1vaFryDw 26RGRwp/Rj6F7hQouozzNlroAmymxi5HXijqvP2mGAFAmSMzFLmb1vxNSVBSUadO V+mObiTphv9GuN+ywkZLm+5o931g7ptpGFNz6DuXiv0PowU7AfI= =tkut -----END PGP SIGNATURE----- --6aBErLwFJ3uQdKsM--