units: make enablement of s-n-wait-online.service follow systemd-networkd.service (#5635)
In 58a6dd15582c038a25bd7059435833943e2e4617 s-n-wait-online.service was added
to presets to synchronize the presets with the state after installation. But it
is harmful to have s-n-wait-online.service enabled when s-n.service is
disabled, because s-n-wait-online.service has Requsite=s-n.service and cannot
be activated. Thus remove s-n-wait-online.service from presets again, and let
it be enabled whenever s-n.service is enabled.
During installation we create enablement symlinks by hand, and since s-n.service
is enabled, s-n-w-o.service should be enabled too, so the symlink should still
be created during installation.
rules: add a rule to set /dev/kvm access mode and ownership (#5597)
Kernel default mode is 0600, but distributions change it to group kvm, mode
either 0660 (e.g. Debian) or 0666 (e.g. Fedora). Both approaches have valid
reasons (a stricter mode limits exposure to bugs in the kvm subsystem, a looser
mode makes libvirt and other virtualization mechanisms work out of the box for
unprivileged users over ssh).
In Fedora the qemu package carries the relevant rule, but it's nicer to have it
in systemd, so that the permissions are not dependent on the qemu package being
installed. Use of packaged qemu binaries is not required to make use of
/dev/kvm, e.g. it's possible to use a self-compiled qemu or some alternative.
To accomodate both approaches, add a rule to set the mode in 50-udev-default.rules,
but allow the mode to be overridden with a --with-dev-kvm-mode configure rule.
The default is 0660, as the (slightly) more secure option.
Thomas Haller [Fri, 24 Mar 2017 14:36:06 +0000 (15:36 +0100)]
basic: don't link "libm.so" into "libbasic.so" (#5628)
Very few parts of the systemd source require <math.h> or "libm.so".
Linking libbasic with -lm drags the mathematical library in for all
systemd components, and in turn for all users of systemd libraries.
Michael Biebl [Thu, 23 Mar 2017 03:37:06 +0000 (04:37 +0100)]
units: simplify rescue.service and emergency.service (#5623)
The emergency.service and rescue.service units have become rather
convoluted. We spawn multiple shells and the help text spans multiple lines
which makes the units hard to read.
Move the logic into a single shell script and call that via ExecStart.
Yu Watanabe [Tue, 21 Mar 2017 04:30:48 +0000 (13:30 +0900)]
resolved: detect and warn other running LLMNR stack
Previously, `SO_REUSEADDR` is set before `bind`-ing socket, Thus,
even if another LLMNR stack is running, `bind` always success and
we cannot detect the other stack. By this commit, we first try to
`bind` without `SO_REUSEADDR`, and if it fails, show warning and
retry with `SO_REUSEADDR`.
Yu Watanabe [Tue, 21 Mar 2017 04:34:52 +0000 (13:34 +0900)]
resolved: detect and warn other running mDNS stack
Previously, `SO_REUSEADDR` is set before `bind`-ing socket, Thus,
even if another mDNS stack (e.g. avahi) is running, `bind` always
success and we cannot detect the other stack.
By this commit, we first try to `bind` without `SO_REUSEADDR`,
and if it fails, show warning and retry with `SO_REUSEADDR`.
Yu Watanabe [Thu, 16 Mar 2017 06:52:34 +0000 (15:52 +0900)]
resolved: do not start LLMNR or mDNS stack when no network enables them
When no network enables LLMNR or mDNS, it is not necessary to create
LLMNR or mDNS related sockets. So, let's create them only when
LLMNR- or mDNS-enabled network becomes active or at least one network
enables `LLMNR=` or `MulticastDNS=` options.
Daniel Molkentin [Fri, 17 Mar 2017 11:13:19 +0000 (12:13 +0100)]
units: do not throw a warning in emergency mode if plymouth is not installed (#5528)
Ideally, plymouth should only be referenced via dependencies,
not ExecStartPre's. This at least avoids the confusing error message
on minimal installations that do not carry plymouth.
Djalal Harouni [Thu, 16 Mar 2017 02:30:15 +0000 (03:30 +0100)]
base-filesystem: skip fchownat() if the previous mkdirat() on same path failed (#5548)
If we are working on a path that was marked to be ignored on errors, and
the mkdirat() fails then add a continue statement and skip fchownat() call.
This avoids the case where UID/GID are valid and we run fchownat() on
non existent path which will fail hard even on paths that we want to
ignore in case of errors.
journal: prevent integer overflow while validating header (#5569)
It is possible to overflow uint64_t while validating the header of
a journal file. To prevent this, the addition itself is checked to
be within the limits of UINT64_MAX first.
To keep this readable, I have introduced two stack variables which
hold the converted values during validation.
Bastien Nocera [Thu, 9 Mar 2017 13:53:52 +0000 (14:53 +0100)]
hwdb: Add property for keyboards without LEDs
It is useful for desktop environments to be able to show Caps-Lock or
Num-Lock status changes as an on-screen display when using a keyboard
that doesn't have LEDs for this.
Martin Pitt [Wed, 8 Mar 2017 13:20:11 +0000 (14:20 +0100)]
build-sys: only install legacy *.pkla files with old polkit versions (#5555)
The legacy *.pkla files are not required when running against polkit ≥ 106,
and we want to avoid shipping files in /var if possible (but pkla files
can only be in /etc/ or /var).
Only install the *.pkla files if we detect an old polkit version during
configure. Don't install them if polkit isn't installed during build, as
distributions other than Debian-based ones have moved to the new polkit
long ago.
docs: add a note about reporting security vulns (#5541)
We *do* have the occasional security issue, where it would be nice to have
non-public disclosure and time to fix the issue before it's fully public. Our
github infrastracture does not make it easy to report vulnerabilities in
confidential manner, so let's leverage the distro mechanisms for that. I
think we're better off with this solution than leaving it up to individual
reporters to discover some mechanism on their own.
Peter Hutterer [Tue, 7 Mar 2017 06:55:58 +0000 (16:55 +1000)]
rules: set ID_BUS=bluetooth for any device with id/bustype attr of 0x0005 (#5539)
Not all bluetooth devices come through the bluetooth subsystem and those that
don't currently lack the ID_BUS=bluetooth env. This again fails to apply udev
rules and/or hwdb entries that rely on the bluetooth bustype to be set.
Fix this by checking the attribute id/bustype on the device instead of just
the subsystem.
This patch adds quirks for the two laptops I could test on
(8540w and 8560w). The accelerometer is configured in the
kernel to report values according to the base of the laptop.
We want the values according to the screen instead.
It is likely (but untested) to match all HP laptops with the
lis3lv02d accelerometer on this list:
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/drivers/platform/x86/hp_accel.c#n207
Martin Pitt [Thu, 2 Mar 2017 22:42:01 +0000 (23:42 +0100)]
test: skip instead of fail if crypto kmods are not available
Package build machines may have module loading disabled, thus AF_ALG
sockets are not available. Skip the tests that cover those (khash and
id128) instead of failing them in this case.
Michael Biebl [Thu, 2 Mar 2017 18:11:37 +0000 (19:11 +0100)]
Avoid strict DM interface version dependencies (#5519)
Compiling against the dm-ioctl.h header as provided by the Linux kernel
will embed the DM interface version number. Running an older kernel can
result in an error like this on shutdown:
Could not detach DM dm-11: ioctl mismatch, kernel(4.34.4), user(4.35.4)
Work around this by shipping a local copy of dm-ioctl.h. We need at
least the version from 3.13 for DM_DEFERRED_REMOVE [1], so bump the
requirements in README accordingly.
basic/architecture: Add sub-architecture types for SuperH
On SuperH, there are multiple sub-architectures defined with
different values for LIB_ARCH_TUPLE. The different sub-
architectures can be detected by checking whether __SH1__,
__SH2__, __SH3__, __SH4__, and so on are defined.
basic/architecture: Properly set LIB_ARCH_TUPLE for powerpcspe
On powerpc, there are two possible ABIs and hence values for
LIB_ARCH_TUPLE. The convential type with an FPU and the embedded
variant, called powerpcspe, which does not have a convential FPU
but a special Signal Processing Engine (SPE). The latter can be
detected by checking whether __NO_FPRS__ is defined.
basic/architecture: Properly set LIB_ARCH_TUPLE for x32
On x86_64, there are two possible ABIs and hence values for
LIB_ARCH_TUPLE. The convential 64-bit type and the 32-bit
variant, called x32. The latter can be detected by checking
whether __ILP32__ is defined.
Daniel Drake [Tue, 28 Feb 2017 17:54:53 +0000 (11:54 -0600)]
hwdb: Endless ELT-NL3 accelerometer support
The Endless ELT-NL3 laptop has an accelerometer but its values are
not being interpreted correctly, meaning that it's very easy to end up
with the screen rotated inappropriately.
Add an appropriate mount matrix to correct the values.
Daniel Drake [Tue, 28 Feb 2017 17:38:18 +0000 (11:38 -0600)]
udev: Allow quirks for ACPI input accelerometers
The existing accelerometer rules only support IIO devices, however
iio-sensor-proxy can also work with accelerometers made available
through the input (evdev) subsystem.
In this case I am working with an accelerometer input device backed by an
ACPI driver for which the hierarchy is:
- ACCE0001 (ACPI device)
-> input8
-> event7
We want the mount matrix (from hwdb) to be applied to both input8 and
event7. However, to match in 60-sensor.hwdb, we need to be working
with the modalias of the parent device (ACCE0001), and it is tricky
to access that when processing the input8 device which has it's own
modalias.
Instead of working directly with modalias, this ACPI-specific rule
uses the "hid" attribute to reconstruct the ACPI modalias. Since input
and event devices do not provide a hid attribute we will always get this
from the ACPI parent.
The modalias is constructed according to the definition in the kernel's
Documentation/acpi/namespace.txt and create_pnp_modalias(). We will only
use the first _CID/_HID value available, i.e. in some cases we will only
reconstruct the first part of the modalias, but that should be enough
granularity for our needs.
NEWS: reorder entries by subject, fix some typos and descriptions (#5511)
This doesn't add anything major, but moves some stuff around.
In particular changes which might require updates to the build
environment (new kernel requirements, cgroup stuff, dbus, etc)
are moved to the top, where it's most likely that people will
read them. In particular cgroup hierarchy changes are moved to the
top because they're most likely to be problematic.
Various items are grouped by subject where it's easy.
The description of list-jobs --after/--before was reversed.
udev: Use parent bus id for virtio disk builtin path-id (#5500)
The builtin path id for virtio block devices has been changed
to use the bus id without a prefix "virtio-pci" to be
compatible with all virtio transport types.
In order to not break existing setups, the by-path symlinks for
virtio block devices on the PCI bus are reintroduced by udev rules.
The virtio-pci symlinks are considered to be deprecated and
should be replaced by the native PCI symlinks.
Example output for a virtio disk in PCI slot 7:
$ ls /dev/disk/by-path
pci-0000:00:07.0
pci-0000:00:07.0-part1
virtio-pci-0000:00:07.0
virtio-pci-0000:00:07.0-part1
See also
[1] https://lists.freedesktop.org/archives/systemd-devel/2017-February/038326.html
[2] https://lists.freedesktop.org/archives/systemd-devel/2017-March/038397.html
This reverts f073b1b but keeps the same symlinks for compatibility.
Let'd revert this for now, see #5446 for discussions.
We want systemd-detect-virt --chroot to return true for all chroot-like stuff, for
example mock environments which have use a mount namespace. The downside
of this revert that systemctl will not work from our own namespaced services, anything
with RootDirectory=/RootImage= set.
coredump: define a macro for a "short bus call timeout"
I think it would be a good idea to move such fixed, picked values out of
the main sources into the head of a file, to make sure they are
ultimately tunables.
coredump: introduce is_journald_crash() and is_pid1_crash() helpers
We check these a number of times, hence let's unify these checks here.
This also allows us to make the PID 1 check more elaborate as we can
check both the PID and the cgroup. Checking the PID has the benefit that
we'll also cover cases where PID 1 might still be in the root cgroup, and
the cgroup check has the benefit that we also cover crashes in forked
off crasher processes (the way we actually do it in systemd)
coredump: normalize generation/parsing of COREDUMP_TRUNCATED=
Given that this is a field primarily processed by computers, and not so
much by humans, assign "1" instead of "yes". Also, use parse_boolean()
as we usually do for parsing it again.
This makes things more alike udev options (as one example), such as
SYSTEMD_READY where we also spit out "1" and "0", and parse with
parse_boolean().
mount-util: accept that name_to_handle_at() might fail with EPERM (#5499)
Container managers frequently block name_to_handle_at(), returning
EACCES or EPERM when this is issued. Accept that, and simply fall back
to to fdinfo-based checks.
Note that we accept either EACCES or EPERM here, as container managers
can choose the error code and aren't very good on agreeing on just one.
(note that this is a non-issue with nspawn, as we permit
name_to_handle_at() there, only block open_by_handle_at(), which should
be sufficiently safe).
core: when a unit's SourcePath points to API VFS pretend we are never out-of-date (#5487)
If the unit's SourcePath is below /proc then it's a unit genreated from
a kernel resource (such as a .mount or .swap unit). And those we watch
anyway, and hence should never be out-of-date.
automount: if an automount unit is masked, don't react to activation anymore (#5445)
Otherwise we'll hit an assert sooner or later.
This requires us to initialize ->where even if we come back in "masked"
mode, as otherwise we don't know how to operate on the automount and
detach it.
coredumpctl: print a hint when no journal files are found
[guest@fedora ~]$ coredumpctl
No coredumps found.
[guest@fedora ~]$ ./coredumpctl
Hint: You are currently not seeing messages from other users and the system.
Users in groups 'adm', 'systemd-journal', 'wheel' can see all messages.
Pass -q to turn off this notice.
No coredumps found.
The only functional change is that log_notice("No journal files were found.")
is not printed any more with --quiet. log_error("No journal files were opened
due to insufficient permissions.") is still printed.
I wasn't quite sure where to put this function, but shared/ seems to be the
right place and none of the existing files seem to fit too well.
v2: rename journal_access_check to journal_access_check_and_warn.
coredump: process special crashes in an (almost) normal way
We would only log a terse message when pid1 or systemd-journald crashed.
It seems better to reuse the normal code paths as much as possible,
with the following differences:
- if pid1 crashes, we cannot launch the helper, so we don't analyze the
coredump, just write it to file directly from the helper invoked by the
kernel;
- if journald crashes, we can produce the backtrace, but we don't log full
structured messages.
With comparison to previous code, advantages are:
- we go through most of the steps, so for example vacuuming is performed,
- we gather and log more data. In particular for journald and pid1 crashes we
generate a backtrace, and for pid1 crashes we record the metadata (fdinfo,
maps, etc.),
- coredumpctl shows pid1 crashes.
A disavantage (inefficiency) is that we gather metadata for journald crashes
which is then ignored because _TRANSPORT=kernel does not support structued
messages.
Messages for the systemd-journald "crash" have _TRANSPORT=kernel, and
_TRANSPORT=journal for the pid1 "crash".
Feb 26 16:27:55 systemd[1]: systemd-journald.service: Main process exited, code=dumped, status=11/SEGV
Feb 26 16:27:55 systemd[1]: systemd-journald.service: Unit entered failed state.
Feb 26 16:37:54 systemd-coredump[18801]: Process 18729 (systemd-journal) of user 0 dumped core.
Feb 26 16:37:54 systemd-coredump[18801]: Coredump diverted to /var/lib/systemd/coredump/core.systemd-journal.0.36c14bf3c6ce4c38914f441038990979.18729.1488145074000000.lz4
Feb 26 16:37:54 systemd-coredump[18801]: Stack trace of thread 18729:
Feb 26 16:37:54 systemd-coredump[18801]: #0 0x00007f46d6a06b8d fsync (libpthread.so.0)
Feb 26 16:37:54 systemd-coredump[18801]: #1 0x00007f46d71bfc47 journal_file_set_online (libsystemd-shared-233.so)
Feb 26 16:37:54 systemd-coredump[18801]: #2 0x00007f46d71c1c31 journal_file_append_object (libsystemd-shared-233.so)
Feb 26 16:37:54 systemd-coredump[18801]: #3 0x00007f46d71c3405 journal_file_append_data (libsystemd-shared-233.so)
Feb 26 16:37:54 systemd-coredump[18801]: #4 0x00007f46d71c4b7c journal_file_append_entry (libsystemd-shared-233.so)
Feb 26 16:37:54 systemd-coredump[18801]: #5 0x00005577688cf056 write_to_journal (systemd-journald)
Feb 26 16:37:54 systemd-coredump[18801]: #6 0x00005577688d2e98 dispatch_message_real (systemd-journald)
Feb 26 16:37:54 kernel: systemd-coredum: 9 output lines suppressed due to ratelimiting
Feb 26 16:37:54 systemd-journald[18810]: Journal started
Feb 26 16:50:59 systemd-coredump[19229]: Due to PID 1 having crashed coredump collection will now be turned off.
Feb 26 16:51:00 systemd[1]: Caught <SEGV>, dumped core as pid 19228.
Feb 26 16:51:00 systemd[1]: Freezing execution.
Feb 26 16:51:00 systemd-coredump[19229]: Process 19228 (systemd) of user 0 dumped core.
David Herrmann [Tue, 28 Feb 2017 20:57:58 +0000 (21:57 +0100)]
hostname: detect detachable dmi chassis type (#5489)
Detect the 'Detachable' dmi chassis type properly. Use the new
'convertible' chassis class of hostnamed, instead of returning the
generic 'computer' chassis class.
cryptsetup-generator: run cryptsetup service before swap unit (#5480)
If the cryptsetup service unit and swap unit for a swap device
are not strictly ordered, it might happen that the swap unit
activates/mounts the swap device before its cryptsetup service unit
has a chance to run the 'mkswap' command (that it is programmed to).
This leads to the following error:
Starting Cryptography Setup for sda3_crypt...
[ OK ] Found device /dev/mapper/sda3_crypt.
Activating swap /dev/mapper/sda3_crypt...
[ OK ] Activated swap /dev/mapper/sda3_crypt.
[ OK ] Reached target Swap.
[FAILED] Failed to start Cryptography Setup for sda3_crypt.
See 'systemctl status systemd-cryptsetup@sda3_crypt.service' for
details.
[DEPEND] Dependency failed for Encrypted Volumes.
Which happens because the swap device is already mounted:
# systemctl status systemd-cryptsetup@sda3_crypt.service
<...>
Active: failed (Result: exit-code) since Mon 2017-02-27 14:21:43 CST;
54s ago
<...>
<...> systemd[1]: Starting Cryptography Setup for sda3_crypt...
<...> mkswap[2420]: mkswap: error: /dev/mapper/sda3_crypt is mounted;
will not make swapspace
<...>
So, modify cryptsetup-generator to include a 'Before=' option for the
respective 'dev-mapper-%i.swap' device in the cryptsetup service unit.
Now, correct ordering is ensured, and the error no longer occurs:
Starting Cryptography Setup for sda3_crypt...
[ OK ] Found device /dev/mapper/sda3_crypt.
[ OK ] Started Cryptography Setup for sda3_crypt.
Activating swap /dev/mapper/sda3_crypt...
[ OK ] Reached target Encrypted Volumes.
[ OK ] Activated swap /dev/mapper/sda3_crypt.
[ OK ] Reached target Swap.
projects / thirdparty / systemd.git / log
