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A README.md allows us to include a badge for the current build status of
Semaphore CI. Keep other information in this file minimal, and avoid
information duplication but point readers to the official README.
Right now we always pass KDBUS_ITEM_ATTACH_FLAGS_RECV to
KDBUS_CMD_BUS_MAKE, effectively forcing every bus connection to do the
same during KDBUS_CMD_HELLO. This used to be a workaround to make sure all
metadata is always present. However, we refrained from that approach and
intend to make all metadata collection solely rely on /proc access
restrictions. Therefore, there is no need to force the send-flags mask on
newly created buses.
The previous implementation of user_elect_display() could easily end up
overwriting the user’s valid graphical session with a new TTY session.
For example, consider the situation where there is one session:
c1, type = SESSION_X11, !stopping, class = SESSION_USER
it is initially elected as the user’s display (i.e. u->display = c1).
If another session is started, on a different VT, the sessions_by_user
list becomes:
c1, type = SESSION_X11, !stopping, class = SESSION_USER
c2, type = SESSION_TTY, !stopping, class = SESSION_USER
In the previous code, graphical = c1 and text = c2, as expected.
However, neither graphical nor text fulfil the conditions for setting
u->display = graphical (because neither is better than u->display), so
the code falls through to check the text variable. The conditions for
this match, as u->display->type != SESSION_TTY (it’s actually
SESSION_X11). Hence u->display is set to c2, which is incorrect, because
session c1 is still valid.
Refactor user_elect_display() to use a more explicit filter and
pre-order comparison over the sessions. This can be demonstrated to be
stable and only ever ‘upgrade’ the session to a more graphical one.
https://bugs.freedesktop.org/show_bug.cgi?id=90769
We protect most of the API from use accross forks, but we still allow both
sd_event and sd_event_source objects to be unref'ed. This would cause
problems as it would unregister sources from the underlying eventfd, hence
also affecting the original instance in the parent process.
This fixes the issue by not touching the fds on unref when done accross a fork,
but still free the memory.
This fixes a regression introduced by
"udevd: move main-loop to sd-event": 693d371d30
where the worker processes were disabling the inotify event source in the
main daemon.
Skip /proc/mountinfo entries for which libmount returns a NULL pointer
for 'source' or 'target'. This happened on Semaphore CI's build servers
when the test suite is run.
This way, development builds will not rely on gc-sections to
paper over cyclic link dependencies. Newly introduced broken
link requirements will immediatley fail.
Since we introduced AX_NORMALIZE_PATH, using --with-rootprefix=/ does
produce an empty string, but using --with-rootprefix= (empty) now
produces "." instead which is wrong.
Work around it until we can find a better solution for AX_NORMALIZE_PATH
upstream at autoconf-archive.
Bug: https://github.com/systemd/systemd/issues/54
Since we started using AX_NORMALIZE_PATH, that is a valid supported
setup and is more explicit than --with-rootprefix= (empty) which is
actually currently broken.
Let's advocate for it in the ./configure suggestion from autogen.sh.
Stop to pretend that we can split selinux related code from other.
We have too many cross-references and it breaks all the time and
I am no longer willing to maintain that mess for no real benefit.
We currently have cyclic dependencies which are only resolved on
machines with gc-sections toolchains. We need a simpler and at the
same time more strict model to manage our convenienc libraries and
linking.
The first thing to give up is the "optimization" of not linking
libselinux for a very few tools. If that is an issue, please fix
the mess that libselinux creates in selinux itself, and do not ask
consumers to work around it.
If the EDITOR environment variable is not set, the Debian policy
recommends to use the /usr/bin/editor program as default editor.
This file is managed via the dpkg alternatives mechanism and typically
used in Debian/Ubuntu and derivatives to configure the default editor.
See section 11.4 of the Debian policy [1].
Therefor prefer /usr/bin/editor over specific editors if available.
[1] https://www.debian.org/doc/debian-policy/ch-customized-programs.html
Fix a regression caused by 4034a06d ("util: rework word parsing and c
unescaping code") which broke octal escape sequences.
The reason for this breakage is that cunescape_one() expects 4 characters
in an octal encoding, which is a stray left-over from the old code which
operated on different variables to make the length check.
While at it, add a test case to prevent the same thing from happening
again.
