I don't think you've considered how bad the design of the feature is. If a program terminates by accident in the wrong state, other software running afterwards is unaware that the session is behaving incorrectly, and there are some dangerous conditions that a user cannot recover from.
(There are other tty-related things which have similar issues; our handling of this is to avoid creating more of a mess) Kyle Markley <k...@arbyte.us> wrote: > There is a second layer of defense present: xterm can be configured at > runtime, through its disallowedWindowOps resource, to enable or > disable the SetSelection and GetSelection operations individually. > > I think it would be more user friendly to have this feature compiled > in, but left disabled by default via disallowedWindowOps. It was not > user friendly for SetSelection and GetSelection support to be absent > without any hint of their removal in the xterm man page. > > These options would not need to be enabled in ~/.Xresources, but could > be enabled only as needed e.g. with xterm -xrm stuff -e tmux, and tmux > configured with set-clipboard external (rather than on). I think this > would give clipboard access only to tmux but not the applications > within it. > > > On 4/18/24 10:14, Theo de Raadt wrote: > > It is an extremely dangerous anti-feature. > > > >> I observed that in OpenBSD 7.5, the configuration of xterm is such that > >> xtermcfg.h gets #define OPT_PASTE64 0. A consequence of this is that > >> OSC 52 support is compiled out, and a consequence of that is that tmux > >> cannot set the primary X selection (for copying text out of a tmux pane) > >> via its set-clipboard option, which uses OSC 52. > >> > >> I encountered this problem as a frustrating silent failure after > >> following the instructions at the tmux wiki > >> (https://github.com/tmux/tmux/wiki/Clipboard). > >> > >> Is there a reason that paste64 is configured out, or could we change > >> this (e.g. with --enable-paste64) so that OPT_PASTE64 is 1? > >> > >> -- Kyle Markley > >> > >> > > -- > Kyle Markley >
