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Commit Graph

31471 Commits

Author SHA1 Message Date
Lennart Poettering
399725532d doc: add a document briefly explaining UID/GID range assumptions we make 2017-12-06 13:40:50 +01:00
Lennart Poettering
87d5e4f286 build-sys: make the dynamic UID range, and the container UID range configurable
Also, export these ranges in our pkg-config files.
2017-12-06 12:55:37 +01:00
Lennart Poettering
6cae1ebe19 resolved: ignore our own LLMNR packets, the same way we ignore mDNS packets already
Let's minimize our traffic a bit. And for local names we bypass the
packet generation anyway.
2017-12-06 12:45:39 +01:00
Lennart Poettering
f1b1a5c4ca resolved: downgrade log messages about incoming LLMNR/mDNS packets on unexpected scopes
This might very well happen due to races between joining multicast
groups and network configuration and such, let's not complain, but just
drop the messages at debug level.

Fixes: #7527
2017-12-06 12:44:05 +01:00
Zbigniew Jędrzejewski-Szmek
2f813b8aae test-systemd-tmpfiles: respect $HOME in test for %h expansion
%h is a special specifier because we look at $HOME (unless running suid, but
let's say that this case does not apply to tmpfiles, since the code is
completely unready to be run suid). For all other specifiers we query the user
db and use those values directly. I'm not sure if this exception is good, but
let's just "document" status quo for now. If this is changes, it should be in
a separate PR.
2017-12-06 10:30:49 +01:00
Zbigniew Jędrzejewski-Szmek
df1172fe72 test-systemd-tmpfiles: ignore result of %m test
It's failing on artful s390x and i386:
Running /tmp/autopkgtest.Pexzdu/build.lfO/debian/build-deb/systemd-tmpfiles  on 'f /tmp/test-systemd-tmpfiles.c236s1uq/arg - - - - %m'
expect: '01234567890123456789012345678901'
actual: 'e84bc78d162e472a8ac9759f5f1e4e0e'
--- stderr ---
Traceback (most recent call last):
  File "/tmp/autopkgtest.Pexzdu/build.lfO/debian/src/test/test-systemd-tmpfiles.py", line 129, in <module>
    test_valid_specifiers(user=False)
  File "/tmp/autopkgtest.Pexzdu/build.lfO/debian/src/test/test-systemd-tmpfiles.py", line 89, in test_valid_specifiers
    test_content('f {} - - - - %m', '{}'.format(id128.get_machine().hex), user=user)
  File "/tmp/autopkgtest.Pexzdu/build.lfO/debian/src/test/test-systemd-tmpfiles.py", line 84, in test_content
    assert content == expected
AssertionError
-------

Let's skip the test for now until this is resolved properly on the autopkgtest
side.
2017-12-06 10:30:26 +01:00
Zbigniew Jędrzejewski-Szmek
7488492a81 test-systemd-tmpfiles: skip on python3.4
python3.4 is used by our CI.
Let's revert this when we stop supporting python < 3.5.
2017-12-06 10:30:26 +01:00
Zbigniew Jędrzejewski-Szmek
03025f46af test-systemd-tmpfiles: add tests for specifiers 2017-12-06 10:30:26 +01:00
Zbigniew Jędrzejewski-Szmek
c987fefc43 Fix typo 2017-12-06 10:30:26 +01:00
Zbigniew Jędrzejewski-Szmek
0deb073a66 man: improve formatting in systemd.unit.xml 2017-12-06 10:30:26 +01:00
Zbigniew Jędrzejewski-Szmek
5a8575ef01 tmpfiles: also add %t/%S/%C/%L specifiers
sd_path_home() returns ENXIO when a variable (such as $XDG_RUNTIME_DIR) is not
defined. Previously we used ENOKEY for unresolvable specifiers. To avoid having
two codes, or translating ENXIO to ENOKEY, I replaced ENOKEY use with ENXIO.

v2:
- use sd_path_home and change to ENXIO everywhere
2017-12-06 10:30:26 +01:00
Zbigniew Jędrzejewski-Szmek
cfdda37c9f Hook up systemd-tmpfiles as user units
An explicit --user switch is necessary because for the user@0.service instance
systemd-tmpfiles is running as root, and we need to distinguish that from
systemd-tmpfiles running in systemd-tmpfiles*.service.

Fixes #2208.

v2:
- restore "systemd-" prefix
- add systemd-tmpfiles-clean.{service,timer}, systemd-setup.service to
  systemd-tmpfiles(8)
2017-12-06 10:19:35 +01:00
Zbigniew Jędrzejewski-Szmek
f2b5ca0e4e tmpfiles: add --user switch 2017-12-06 10:19:29 +01:00
ayekat
ca23eeb54c tmpfiles: Add specifiers to allow running as user instance
This commit adds specifiers %U, %u and %h for the user UID, name and
home directory, respectively.

[zj: drop untrue copy-pasted comments and move the next text
     to the new "Specifiers" section.
     Now that #7444 has been merged, also drop the specifier functions.]
2017-12-06 10:19:22 +01:00
Zbigniew Jędrzejewski-Szmek
e783f95718 Rename "system-preset" source dir to "presets"
I want to add presets/user/ later. This mirrors the layout for units:
we have units/ and units/user. The advantage is that we avoid having yet
another directory at the top level.
2017-12-06 10:18:35 +01:00
Zbigniew Jędrzejewski-Szmek
32a8f700a4 util-lib: kill duplicate slashes in lookup paths
Since we're munging the array anyway, we can make the output a bit
nicer too.
2017-12-06 10:18:27 +01:00
Zbigniew Jędrzejewski-Szmek
ca4adeb791 shared: export xdg_user_dirs() and xdg_user_*_dir() 2017-12-06 10:18:11 +01:00
Zbigniew Jędrzejewski-Szmek
65241c1485 tmpfiles: "e" takes globs
Fixes #7369.
2017-12-06 10:17:58 +01:00
Zbigniew Jędrzejewski-Szmek
79a1b18711 tmpfiles: fix typo in error message
Fixes #4097.

As of current master, systemd-tmpfiles behaves correctly, apart from a trivial
typo. So let's tell github to close the bug.

With current git:

$ sudo SYSTEMD_LOG_LEVEL=debug build/systemd-tmpfiles --create `pwd`/test/tmpfiles.d/link-loop.conf
Successfully loaded SELinux database in 2.385ms, size on heap is 321K.
Reading config file "/home/zbyszek/src/systemd-work/test/tmpfiles.d/link-loop.conf".
Running create action for entry D /run/hello2
Found existing directory "/run/hello2".
"/run/hello2" has right mode 41777
Running create action for entry f /run/hello2/hello2.test
"/run/hello2/hello2.test" has been created.
"/run/hello2/hello2.test" has right mode 101777
chown "/run/hello2/hello2.test" to 0.84
Running create action for entry L /run/hello2/hello2.link
Found existing symlink "/run/hello2/hello2.link".
Running create action for entry z /run/hello2/hello2.test
"/run/hello2/hello2.test" has right mode 101777
chown "/run/hello2/hello2.test" to 0.0
Running create action for entry z /run/hello2/hello2.link
Skipping mode an owner fix for symlink /run/hello2/hello2.link.

and the permissions are:
$ ls -dl /run/hello2/ /run/hello2/*
drwxrwxrwt. 2 foo   bar    80 Nov 22 14:40 /run/hello2/
lrwxrwxrwx. 1 root  root   23 Nov 22 14:40 /run/hello2/hello2.link -> /run/hello2/hello2.test
-rwxrwxrwt. 1 root  root    0 Nov 22 14:40 /run/hello2/hello2.test

Everything seems correct.
2017-12-06 10:17:52 +01:00
Zbigniew Jędrzejewski-Szmek
e286dbaf9b tmpfiles: downgrade warning about duplicate line
This happens occasionally, especially when moving lines between configuration files
in different packages, and usually is not a big deal.
2017-12-06 10:17:45 +01:00
Zbigniew Jędrzejewski-Szmek
751223fecf Fail on unknown (alphanumerical) specifiers
The code intentionally ignored unknown specifiers, treating them as text. This
needs to change because otherwise we can never add a new specifier in a backwards
compatible way. So just treat an unknown (potential) specifier as an error.

In principle this is a break of backwards compatibility, but the previous
behaviour was pretty much useless, since the expanded value could change every
time we add new specifiers, which we do all the time.

As a compromise for backwards compatibility, only fail on alphanumerical
characters. This should cover the most cases where an unescaped percent
character is used, like size=5% and such, which behave the same as before with
this patch. OTOH, this means that we will not be able to use non-alphanumerical
specifiers without breaking backwards compatibility again. I think that's an
acceptable compromise.

v2:
- add NEWS entry

v3:
- only fail on alphanumerical
2017-12-06 10:17:37 +01:00
Yu Watanabe
6a483c5b2f
Merge pull request #7497 from yuwata/fix-cpu-set
fixes related to cpu_set
2017-12-06 13:32:06 +09:00
Yu Watanabe
c072c6d39a
Merge pull request #7547 from hvenev/sysctl-no-net-default
Do not set `net.ipv4.conf.default.*`
2017-12-06 13:28:23 +09:00
Lennart Poettering
93719c6b0e mount-util: shorten the loop a bit (#7545)
The loop preparation and part of the loop contents are actually the
same, let's merge this.

Also, it's so much fun tweaking around in the name_to_handle_at() code,
let's do more of it with this patch!

(This also adds two NULL assignments, that aren't strictly necessary.
However, I figured its safer to place them in there, just in case the
for() condition is changed later. After all the freeing of the handle
and the invalidation of the cleanup-controller pointer to it are
otherwise really far away from each other...)
2017-12-06 13:19:03 +09:00
Yu Watanabe
a0605ddfcf
Merge pull request #7549 from poettering/ptyfwd-fixes
pty forwarder fixes
2017-12-06 13:16:27 +09:00
Yu Watanabe
4e79aeaa65 test-execute: add tests for CPUAffinity= 2017-12-06 10:44:20 +09:00
Yu Watanabe
784b9a1a32 run: Allows the user to reset CPUAffinity= back to an empty list
Before this CPUAffinity= requires a valid cpu set, and the setting
cannot be reset. Moreover, if CPUAffinity= with empty string is passed,
then message container is closed without no values appended, thus
we get error.
This makes CPUAffinity= accepts empty string to reset the setting
and avoid error.
2017-12-06 10:32:48 +09:00
Yu Watanabe
501941aaf0 core: merge multiple CPUAffinity= settings 2017-12-06 10:32:42 +09:00
Yu Watanabe
da681e1bd2 tree-wide: use cpu_set_mfree() 2017-12-06 10:32:38 +09:00
Yu Watanabe
a9a2ed3f52 cpu-set-util: introduce cpu_set_mfree() 2017-12-06 10:32:35 +09:00
Yu Watanabe
6d8a29b2e1 cpu-set-util: internally merge two functions 2017-12-06 10:32:32 +09:00
Lennart Poettering
b57b372a05 man: fix binary path in systemd(1) (#7550)
Otherwise people might assume that systemd was installed in the $PATH,
but it is not. Do the same as for systemd-vconsole-setup.service and
friends: let's include the full path in the man page.
2017-12-05 21:46:58 +01:00
Zbigniew Jędrzejewski-Szmek
11d0f6cb67
Merge pull request #7532 from yuwata/test-execute
test-execute: add test for that DynamicUser= migrates StateDirectory=
2017-12-05 21:43:14 +01:00
Zbigniew Jędrzejewski-Szmek
fdaf80672e
Merge pull request #7539 from yuwata/man-options
Add missing parsing and documentation for several options
2017-12-05 21:40:21 +01:00
Lennart Poettering
fa9be0a6f0
Merge pull request #7494 from poettering/nspawn-cgroups
some nspawn cgroup fixes + dissecting and testing love
2017-12-05 18:53:24 +01:00
Lennart Poettering
d147457cc9 run: run pty forwarder at higher event priority than the bus
We want any tty I/O to happen before we look at service messages, hence
let's set priorities on them, and give tty I/O a higher priority.
2017-12-05 18:33:24 +01:00
Lennart Poettering
e22e69a31e ptyfwd: before deciding that a pty is fully drained, ask the kernel again
Apparently there's no guarantee that EPOLLIN is immediately propagated
from a pty slave to the master when data is written to it, hence it's
not sufficient to check EPOLLIN to decide whether the pty device is
drained.

Let's fix this by asking the kernel directly through SIOCINQ + SIOCOUTQ,
if there's anything buffered left.

Fixes: #7531
2017-12-05 18:33:24 +01:00
Michal Koutný
deb4e7080d service: Don't stop unneeded units needed by restarted service (#7526)
An auto-restarted unit B may depend on unit A with StopWhenUnneeded=yes.
If A stops before B's restart timeout expires, it'll be started again as part
of B's dependent jobs. However, if stopping takes longer than the timeout, B's
running stop job collides start job which also cancels B's start job. Result is
that neither A or B are active.

Currently, when a service with automatic restarting fails, it transitions
through following states:
        1) SERVICE_FAILED or SERVICE_DEAD to indicate the failure,
        2) SERVICE_AUTO_RESTART while restart timer is running.

The StopWhenUnneeded= check takes place in service_enter_dead between the two
state mentioned above. We temporarily store the auto restart flag to query it
during the check. Because we don't return control to the main event loop, this
new service unit flag needn't be serialized.

This patch prevents the pathologic situation when the service with Restart=
won't restart automatically. As a side effect it also avoid restarting the
dependency unit with StopWhenUnneeded=yes.

Fixes: #7377
2017-12-05 16:51:19 +01:00
Lennart Poettering
0eb89fe6b6 hexdecoct: fix comment typo (#7548) 2017-12-06 00:42:58 +09:00
Yu Watanabe
028f3a7f9c test-execute: add test for that DynamicUser= migrate StateDirectory=
Test for 949befd3f0.
2017-12-06 00:37:09 +09:00
Yu Watanabe
f0e018e748 test-execute: cleanup
This makes rename the test units by a consistent naming scheme,
add several logs, and sort internal functions.
No functional change.
2017-12-06 00:36:55 +09:00
Hristo Venev
3f550c31b3 networkd: fix memory leak in promote_secondaries_enabled 2017-12-05 16:56:54 +02:00
Hristo Venev
8e1a72535c networkd: fix promote_secondaries logic
The value for `default` has no influence at all.
2017-12-05 16:56:52 +02:00
Hristo Venev
9fefb9e3cd Do not set net.ipv4.conf.default.*
It is redundant because in these cases the values in
`net.ipv4.conf.all.*` take precedence. Also, setting the `default` does
nothing for devices that already exist.
2017-12-05 16:34:59 +02:00
Yu Watanabe
3db93b3fc8 man: journal-remote: add missing options
This adds documents about supported, mainly SSL related,  options
in jurnal-remote, journal-upload, and journal-gatewayd.
2017-12-05 23:30:50 +09:00
Yu Watanabe
bf2d3d7cae man: fix typo 2017-12-05 23:30:47 +09:00
Yu Watanabe
e7ff71281d man: include standard-options.xml in systemd-hwdb(8) 2017-12-05 23:30:44 +09:00
Yu Watanabe
c94c581c7b man: add missing options to and use standard-options.xml in udevadm(8) 2017-12-05 23:30:41 +09:00
Yu Watanabe
5639df9a80 udevadm: getopt() and help message cleanup
This adds missing options, mainly '--version' in getopt(), removes
an unused option from getopt().
Also, this adds a deprecate message in `udevadm hwdb`, and cleanups
help messages.

Follow-up for 65eb4378c3.
2017-12-05 23:30:10 +09:00
Lennart Poettering
6c782b7a47 fstab-generator: port some code to strextend_with_separator() 2017-12-05 13:49:13 +01:00