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Commit Graph

218 Commits

Author SHA1 Message Date
Lennart Poettering
9a00f57a5b path: add new "systemd-path" utility for querying paths described in file-hierarchy(7)
This new tool is based on "sd-path", a new (so far unexported) API for
libsystemd, that can hopefully grow into a workable API covering /opt
and more one day.
2014-07-02 12:23:36 +02:00
Lennart Poettering
0dc5d23c85 coredump: add simple coredump vacuuming
When disk space taken up by coredumps grows beyond a configured limit
start removing the oldest coredump of the user with the most coredumps,
until we get below the limit again.
2014-06-27 19:35:57 +02:00
Ronny Chevalier
843fecc076 tests: add test-compress 2014-06-25 02:04:42 +02:00
Ronny Chevalier
e80cde5e96 tests: add test-ratelimit 2014-06-24 02:40:50 +02:00
Ronny Chevalier
026d00bc4a update .gitignore 2014-06-22 15:03:28 +02:00
Michael Marineau
09e00c524f test: ensure conf_files_list returns absolute paths 2014-06-20 00:10:47 -04:00
Lennart Poettering
d34f1a4280 gitignore: hide dhcp6/icmp6-rs tests 2014-06-19 16:57:10 +02:00
Lennart Poettering
e34eee2c4f gitignore: sort properly 2014-06-19 16:33:01 +02:00
Lennart Poettering
326bb68c40 debug-generator: add new generator
debug-generator can mask specific units if they are specified on the
kernel command line with systemd.mask=.

debug-generator can pull in debug-shell.service is systemd.debug-shell
is passed on the kernel command line.
2014-06-19 16:33:01 +02:00
Lennart Poettering
f4bab1690e coredump: coredumpctl is so useful now, make it a first-class citizen
Drop the "systemd-" prefix, renaming it from "systemd-coredumpctl" to
"coredumpctl".
2014-06-19 13:46:01 +02:00
Ronny Chevalier
106ecd769d tests: add test-fdset 2014-06-16 20:38:22 +02:00
Ronny Chevalier
c182135d3a tests: add test-socket-util 2014-06-16 20:38:22 +02:00
Tom Gundersen
b44cd88210 sd-dhcp-server: add basic functionality for creating/destroying server instance 2014-06-13 16:53:13 +02:00
Lennart Poettering
8ea48dfcd3 update-done: add minimal tool to manage system updates for /etc and /var, if /usr has changed
In order to support offline updates to /usr, we need to be able to run
certain tasks on next boot-up to bring /etc and /var in line with the
updated /usr. Hence, let's devise a mechanism how we can detect whether
/etc or /var are not up-to-date with /usr anymore: we keep "touch
files" in /etc/.updated and /var/.updated that are mtime-compared with
/usr. This means:

Whenever the vendor OS tree in /usr is updated, and any services that
shall be executed at next boot shall be triggered, it is sufficient to
update the mtime of /usr itself. At next boot, if /etc/.updated and/or
/var/.updated is older than than /usr (or missing), we know we have to
run the update tools once. After that is completed we need to update the
mtime of these files to the one of /usr, to keep track that we made the
necessary updates, and won't repeat them on next reboot.

A subsequent commit adds a new ConditionNeedsUpdate= condition that
allows checking on boot whether /etc or /var are outdated and need
updating.

This is an early step to allow booting up with an empty /etc, with
automatic rebuilding of the necessary cache files or user databases
therein, as well as supporting later updates of /usr that then propagate
to /etc and /var again.
2014-06-13 13:26:32 +02:00
Lennart Poettering
1b99214789 sysusers: add minimal tool to reconstruct /etc/passwd and /etc/group from static files
systemd-sysusers is a tool to reconstruct /etc/passwd and /etc/group
from static definition files that take a lot of inspiration from
tmpfiles snippets. These snippets should carry information about system
users only. To make sure it is not misused for normal users these
snippets only allow configuring UID and gecos field for each user, but
do not allow configuration of the home directory or shell, which is
necessary for real login users.

The purpose of this tool is to enable state-less systems that can
populate /etc with the minimal files necessary, solely from static data
in /usr. systemd-sysuser is additive only, and will never override
existing users.

This tool will create these files directly, and not via some user
database abtsraction layer. This is appropriate as this tool is supposed
to run really early at boot, and is only useful for creating system
users, and system users cannot be stored in remote databases anyway.

The tool is also useful to be invoked from RPM scriptlets, instead of
useradd. This allows moving from imperative user descriptions in RPM to
declarative descriptions.

The UID/GID for a user/group to be created can either be chosen dynamic,
or fixed, or be read from the owner of a file in the file system, in
order to support reconstructing the correct IDs for files that shall be
owned by them.

This also adds a minimal user definition file, that should be
sufficient for most basic systems. Distributions are expected to patch
these files and augment the contents, for example with fixed UIDs for
the users where that's necessary.
2014-06-12 23:07:33 +02:00
Thomas Hindoe Paaboel Andersen
95ed3294c6 Move handling of sysv initscripts to a generator
Reuses logic from service.c and the rc-local generator.

Note that this drops reading of chkconfig entirely. It also drops reading
runlevels from the LSB headers. The runlevels were only used to check for
runlevels outside of the normal 1-5 range and then add special dependencies
and settings. Special runlevels were dropped in the past so it seemed to be
unused code.

The generator does not know about non-generated units with a value set with
SysVStartPriority=. These are therefor not taken into account when converting
start priority to before/after.
2014-06-07 00:59:32 +02:00
Tom Gundersen
091a364c80 resolved: add daemon to manage resolv.conf
Also remove the equivalent functionality from networkd.
2014-05-19 18:14:56 +02:00
Tom Gundersen
ee9b9875fd networkd: add missing files 2014-05-16 20:16:12 +02:00
David Herrmann
e0dd92729e shared: add ring buffer
New "struct ring" object that implements a basic ring buffer for arbitrary
byte-streams. A new basic runtime test is also added.

This will be needed for our pty helpers for systemd-console and friends.
2014-05-13 22:08:13 +02:00
Kay Sievers
687ed1237b rename timedate-sntp to timesync 2014-04-28 17:08:52 +02:00
Kay Sievers
0fbedd1fdc remove bus-driverd, the interface is now handled natively by bus-proxyd 2014-04-22 19:31:26 +02:00
Kay Sievers
78a337bd30 gitignore update 2014-03-25 23:29:43 +01:00
Lennart Poettering
66cdd0f2d0 logind: automatically remove SysV + POSIX IPC objects when the users owning them fully log out 2014-03-14 01:49:44 +01:00
Kay Sievers
bcdbbd7ee1 timedated: add SNTP client/query hookup (unused for now) 2014-03-14 00:38:03 +01:00
Zbigniew Jędrzejewski-Szmek
489a3d957e Update gitignore 2014-03-01 07:45:07 -05:00
Thomas Hindoe Paaboel Andersen
1620510ada update gitignore 2014-02-21 23:21:26 +01:00
Zbigniew Jędrzejewski-Szmek
65b3903ff5 journal: guarantee async-signal-safety in sd_journald_sendv
signal(7) provides a list of functions which may be called from a
signal handler. Other functions, which only call those functions and
don't access global memory and are reentrant are also safe.
sd_j_sendv was mostly OK, but would call mkostemp and writev in a
fallback path, which are unsafe.

Being able to call sd_j_sendv in a async-signal-safe way is important
because it allows it be used in signal handlers.

Safety is achieved by replacing mkostemp with open(O_TMPFILE) and an
open-coded writev replacement which uses write. Unfortunately,
O_TMPFILE is only available on kernels >= 3.11. When O_TMPFILE is
unavailable, an open-coded mkostemp is used.

https://bugzilla.gnome.org/show_bug.cgi?id=722889
2014-01-27 23:17:02 -05:00
Zbigniew Jędrzejewski-Szmek
0bba8d6eb7 build-sys: merge libsystemd-login into libsystemd
A compatibility libsystemd-login library is created which uses
.symver and ifunc magic proposed by Lennart to make programs linked
to the old library name continue to work seamlessly.

Unfortunately the bfd linker crashes:
  https://sourceware.org/bugzilla/show_bug.cgi?id=16467
This will be fixed in binutils 2.25.

As a work-around, gold can be used:
  LDFLAGS=-Wl,-fuse-ld=gold

Unfortunately the switch to pick the linker appeared in gcc 4.8.

This also doesn't work with LLVM:
  http://llvm.org/bugs/show_bug.cgi?id=11897
2014-01-25 18:10:08 -05:00
Tom Gundersen
3bedba4ae1 sd-resolv: rename to sd-resolve
Lennart pointed out that we were misspelling 'resolve'. Let's not repeat the mistakes of 'umount'
and 'resolv.conf'.
2014-01-14 18:25:16 +01:00
Tom Gundersen
5681d7fb8b libsystemd-dns: merge into libsystemd
Also rename sd-dns -> sd-resolv.
2014-01-13 21:06:13 +01:00
Tom Gundersen
6bb648a16a libsystemd-bus: rename to libsystemd
Documentation was updated to refer to either 'libsystemd' or 'sd-bus' in place
of libsystemd-bus.
2014-01-13 18:54:19 +01:00
Daniel Buch
e963e3ada1 sd-dns: initial commit
Origin: <http://0pointer.de/lennart/projects/libasyncns/>

[tomegun: renamed some more files asyncns -> sd-dns and moved to libsystemd-bus as
requested by Lennart]
2014-01-11 15:03:25 +00:00
Zbigniew Jędrzejewski-Szmek
ccd06097c7 Use format patterns for usec_t, pid_t, nsec_t, usec_t
It is nicer to predefine patterns using configure time check instead of
using casts everywhere.

Since we do not need to use any flags, include "%" in the format instead
of excluding it like PRI* macros.
2014-01-02 19:45:47 -05:00
Lennart Poettering
08bcebf36e shared: add simplistic XML parser for usage in the D-Bus policy language compat parser 2013-12-28 03:04:29 +01:00
Daniel Mack
294c866023 Add bus-driverd
systemd-bus-driverd is a small daemon that connects to kdbus and
implements the org.freedesktop.DBus interface. IOW, it provides the bus
functions  traditionally taken care for by dbus-daemon.

Calls are proxied to kdbus, either via libsystemd-bus (were applicable)
or with the open-coded use of ioctl().

Note that the implementation is not yet finished as the functions to
add and remove matches and to start services by name are still missing.
2013-12-16 22:34:48 +01:00
Lennart Poettering
7c9a6f9063 bus: install systemd-bus-proxyd unit files for compatibility with dbus1 2013-12-13 20:49:57 +01:00
Lennart Poettering
c5ef10429a git: update .gitignore 2013-12-13 04:06:43 +01:00
Lennart Poettering
c1b9d93572 bus: add support for serializing to gvariant
(deserialization is still missing, hence this is not hooked up to kdbus)
2013-12-05 02:47:36 +01:00
Lennart Poettering
674eb68520 bus: add generator that turns old dbus1 activation files into .busname + .service units 2013-12-03 01:13:48 +01:00
Kay Sievers
f252ff1742 rename stdio-bridge to bus-proxyd 2013-11-29 22:12:59 +01:00
Lennart Poettering
5b12334d35 bus: add new sd_bus_creds object to encapsulate process credentials
This way we can unify handling of credentials that are attached to
messages, or can be queried for bus name owners or connection peers.

This also adds the ability to extend incomplete credential information
with data from /proc,

Also, provide a convenience call that will automatically determine the
most appropriate credential object for an incoming message, by using the
the attached information if possible, the sending name information if
available and otherwise the peer's credentials.
2013-11-28 18:42:18 +01:00
Lennart Poettering
d0767ffd08 journal: add a test case for flushing messages out of a series of journal files into a single new one 2013-11-27 01:01:53 +01:00
Lennart Poettering
baabc57764 build-sys: move more files from core/ to share/ that are generic enough 2013-11-22 16:31:40 +01:00
David Strauss
6414b7c981 cgroups: Cache controller masks and optimize queues. 2013-11-22 11:22:47 +10:00
Zbigniew Jędrzejewski-Szmek
9173a3082f build-sys: parallelize 'exported' target 2013-11-12 19:02:28 -05:00
Zbigniew Jędrzejewski-Szmek
f1e0c18340 build-sys: add a link test for exported symbols
I know that this is a pretty big net to catch some small fish,
but we *do* regularly forget to properly export symbols that
were supposed to be exported.

This time sd_bus_get_current and some renamed symbols are caught.
2013-11-12 18:58:34 -05:00
Tom Gundersen
f579559b3a networkd: add a basic network daemon
This daemon listens for and configures network devices tagged with
'systemd-networkd'. By default, no devices are tagged so this daemon
can safely run in parallel with existing network daemons/scripts.

Networks are configured in /etc/systemd/network/*.network. The first .network
file that matches a given link is applied. The matching logic is similar to
the one for .link files, but additionally supports matching on interface name.

The mid-term aim is to provide an alternative to ad-hoc scripts currently used
in initrd's and for wired setups that don't change much (e.g., as seen on
servers/and some embedded systems).

Currently, static addresses and a gateway can be configured.

Example .network file:

[Match]
Name=wlp2s0

[Network]
Description=My Network
Gateway=192.168.1.1
Address=192.168.1.23/24
Address=fe80::9aee:94ff:fe3f:c618/64
2013-11-09 23:41:17 +01:00
Kay Sievers
0d95178e49 systemctl: rename 'listen'
src/systemctl/systemctl.c: In function ‘get_listening’:
src/systemctl/systemctl.c:535:25: warning: declaration of ‘listen’ shadows a global declaration [-Wshadow]
src/systemctl/systemctl.c: In function ‘list_sockets’:
src/systemctl/systemctl.c:690:44: warning: declaration of ‘listen’ shadows a global declaration [-Wshadow]
2013-11-08 18:52:09 +01:00
Tom Gundersen
65f568bbeb libsystemd-rtnl: add a rtnetlink library
This is intentionally as similar to sd-bus as possible. While it
would be simple to export it, the intentions is to keep this
internal (at least for the forseeable future).

Currently only synchronous communication is implemented
2013-10-27 22:18:34 +01:00
Dave Reisner
51271a3060 update gitignore 2013-10-26 09:53:06 -04:00