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The function link_acquire_conf() may make the link state 'configuring'
when DHCP6 PD is enabled. Previously link_acquire_conf() was called
before link_enter_join_netdev(), and thus the assertion in the function
might be triggered.
Fixes#17329.
This updates the "systemd-analyze syscall-filter" command to show a
special section of syscalls that are included in @known but in no other
group. Typically this should show syscalls we either should add to any
of the existing groups or where we unsure were they best fit in.
Right now, it mostly shows arch-specific compat syscalls, we probably
should move "@obsolete". This patch doesn't add thta however.
The variable is renamed to SYSTEMD_PAGERSECURE (because it's not just about
less now), and we automatically enable secure mode in certain cases, but not
otherwise.
This approach is more nuanced, but should provide a better experience for
users:
- Previusly we would set LESSSECURE=1 and trust the pager to make use of
it. But this has an effect only on less. We need to not start pagers which
are insecure when in secure mode. In particular more is like that and is a
very popular pager.
- We don't enable secure mode always, which means that those other pagers can
reasonably used.
- We do the right thing by default, but the user has ultimate control by
setting SYSTEMD_PAGERSECURE.
Fixes#5666.
v2:
- also check $PKEXEC_UID
v3:
- use 'sd_pid_get_owner_uid() != geteuid()' as the condition
This fixes an issue caused by eb1c1dc029c91750e6255c3fd844b4f4bf238fab.
Before the commit, multiple values can be specified for the same
sysattr or property.
Fixes#17259.
A long time some function only worked when in a session, and the test
didn't execute them when sd_pid_get_session() failed. Let's always call
them to increase coverage.
While at it, let's test for ==0 not >=0 where we don't expect the function
to return anything except 0 or error.
When peer address is set, address_compare_func() (or address_equal())
does not work in link_is_static_address_configured(), as an Address object
stored in a Link does not contain peer addresses. So, we need to also
compare with in_addr element for IPv4 case.
Fixes#17304.
We need to make sure that our coredump pattern handler manages to read
process metadata from /proc/$PID/ before the kernel reaps the crashed
process. By default the kernel will reap the process as soon as it can.
By setting kernel.core_pipe_limit to a non-zero the kernel will wait for
userspace to finish before reaping.
We'll set the value to 16, which allows 16 crashes to be
processed in parallel. This matches the MaxConnections= setting in
systemd-coredump.socket.
See: #17301
(This doesn't close 17301, since we probably should also gracefully
handle if /proc/$PID/ vanished already while our coredump handler runs,
just in case people loclly set the sysctl back to zero. i.e. we should
collect what we can and rather issue an incomplete log record than
none.)
When doing import-environment, we shouldn't fail if some assignment is invalid.
OTOH, if the invalid assignment is specified as a positional argument, we should
keep failing.
This would also fix https://bugzilla.redhat.com/show_bug.cgi?id=1754395, by
ignoring certain variables which are not important in that scenario. It seems
like the right thing to do in general.
There was some confusion about what POSIX says about variable names:
names shall not contain the character '='. For values to be portable
across systems conforming to POSIX.1-2008, the value shall be composed
of characters from the portable character set (except NUL and as
indicated below).
i.e. it allows almost all ASCII in variable names (without NUL and DEL and
'='). OTOH, it says that *utilities* use a smaller set of characters:
Environment variable names used by the utilities in the Shell and
Utilities volume of POSIX.1-2008 consist solely of uppercase letters,
digits, and the <underscore> ( '_' ) from the characters defined in
Portable Character Set and do not begin with a digit.
When enforcing variable names in environment blocks, we need to use this
first definition, so that we can propagate all valid variables.
I think having non-printable characters in variable names is too much, so
I took out the whitespace stuff from the first definition.
OTOH, when we use *shell syntax*, for example doing variable expansion,
it seems enough to support expansion of variables that the shell would allow.
Fixes#14878,
https://bugzilla.redhat.com/show_bug.cgi?id=1754395,
https://bugzilla.redhat.com/show_bug.cgi?id=1879216.
Latest glibc has deprecated mallinfo(), so it might become unavailable at some point
in the future. There is malloc_info(), but it returns XML, ffs. I think the information
that we get from mallinfo() is quite useful, so let's use mallinfo() if available, and
not otherwise.
It is expected for numerous autostart files to not be convertible to
corresponding units. The information is only useful for someone
debugging why a file might not be started, but it is not generally
useful for users in most situations.
As such, lower the warnings. Anyone wondering why an application is not
started will easily notice that the unit is not generated. From there it
will be somewhat harder to figure out why, but the overall trade-off is
still improved.
Fixes: #17305
We previously checked the QR bit to decide whether the RFC6975 algorithm
data in our packets. But that doesn't work in many cases, since we
initialize the QR flags along with the other flags usually only after
appending OPT (since success to do so propagates into flags). Hence,
let's add an explicit parameter that controls whether to include RFC6975
data in DNS packets, and set it to false for stub reply, and on true for
upstream queries.
Fixes: #17217
My logs have lines like this:
Oct 10 09:38:38 krowka systemd-logind[1889]: External (2) displays connected.
Oct 10 09:38:38 krowka systemd-logind[1889]: Refusing operation, as it is turned off.
Without some hint *what* operation is ignored, this is not very informative.
(I remember this came up before, but I don't remember why we didn't change this
log line back then...)
