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Commit Graph

24 Commits

Author SHA1 Message Date
Michal Schmidt
c33b329709 treewide: more log_*_errno() conversions, multiline calls
Basically:

find . -name '*.[ch]' | while read f; do perl -i.mmm -e \
'local $/;
 local $_=<>;
 s/log_(debug|info|notice|warning|error|emergency)\("([^"]*)%s"([^;]*),\s*strerror\(-?([->a-zA-Z_]+)\)\);/log_\1_errno(\4, "\2%m"\3);/gms;print;' \
 $f; done

Plus manual indentation fixups.
2014-11-28 17:17:51 +01:00
Michal Schmidt
da927ba997 treewide: no need to negate errno for log_*_errno()
It corrrectly handles both positive and negative errno values.
2014-11-28 13:29:21 +01:00
Michal Schmidt
0a1beeb642 treewide: auto-convert the simple cases to log_*_errno()
As a followup to 086891e5c1 "log: add an "error" parameter to all
low-level logging calls and intrdouce log_error_errno() as log calls
that take error numbers", use sed to convert the simple cases to use
the new macros:

find . -name '*.[ch]' | xargs sed -r -i -e \
's/log_(debug|info|notice|warning|error|emergency)\("(.*)%s"(.*), strerror\(-([a-zA-Z_]+)\)\);/log_\1_errno(-\4, "\2%m"\3);/'

Multi-line log_*() invocations are not covered.
And we also should add log_unit_*_errno().
2014-11-28 12:04:41 +01:00
Lennart Poettering
af4ec4309e notify: send STOPPING=1 from our daemons 2014-08-21 17:24:21 +02:00
Lennart Poettering
186fe1db20 networkd: simplify signal handling of SIGTERM/SIGINT
sd-event makes handling SIGTERM/SIGINT a lot easier than it used to,
let's make use of this
2014-07-07 23:11:03 +02:00
Tom Gundersen
85b5673b33 networkd: split runtime config dir from state dir
Configuration will be in

root:root /run/systemd/network

and state will be in

systemd-network:systemd-network /run/systemd/netif

This matches what we do for logind's seat/session state.
2014-06-03 18:58:00 +02:00
Tom Gundersen
bddfc8afd3 networkd: drop CAP_SYS_MODULE
Rely on modules being built-in or autoloaded on-demand.

As networkd is a network facing service, we want to limits its capabilities,
as much as possible. Also, we may not have CAP_SYS_MODULE in a container,
and we want networkd to work the same there.

Module autoloading does not always work, but should be fixed by the kernel
patch f98f89a0104454f35a: 'net: tunnels - enable module autoloading', which
is currently in net-next and which people may consider backporting if they
want tunneling support without compiling in the modules.

Early adopters may also use a module-load.d snippet and order
systemd-modules-load.service before networkd to force the module
loading of tunneling modules.

This sholud fix the various build issues people have reported.
2014-06-03 00:40:23 +02:00
Lennart Poettering
d3cf48f4bd networkd: run as unpriviliged "systemd-network" user
This allows us to run networkd mostly unpriviliged with the exception of
CAP_NET_* and CAP_SYS_MODULE. I'd really like to get rid of the latter
though...
2014-06-01 09:12:00 +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
0b44d8c3d7 networkd: manager - don't leak kmod context
Also, keep the kmod_new internal to networkd-manager.c
2014-05-12 17:37:58 +02:00
Susant Sahani
7951dea209 networkd: introduce ipip tunnel
This patch enables basic ipip tunnel support.
It works with kernel module ipip

example conf:

file: ipip.netdev

[NetDev]
Name=ipip-tun
Kind=ipip
MTUBytes=1480

[Tunnel]
Local=192.168.223.238
Remote=192.169.224.239
TTL=64

file: ipip.network

[Match]
Name=em1

[Network]
Tunnel=ipip-tun

[tomegun:
         - drop unused variable
         - take ref when enslaving]
2014-05-12 17:37:12 +02:00
Tom Gundersen
505f8da732 networkd: tie links to rtnl rather than udev
This essentially swaps the roles of rtnl and udev in networkd. After this
change libudev is only used for waiting for udev to initialize devices and
to get udev-specific information needed for some [Match] attributes.

This in particular simplifies the code in containers where udev is not really
useful, but also simplifies things and reduces round-trips in the non-container
case.
2014-04-19 18:41:58 +02:00
Tom Gundersen
0ea51a1129 networkd: fix creation of runtime dirs at startup
This allows us to drop the repeated attempted creations of the runtime dirs during runtime.
2014-03-14 12:44:17 +01:00
Tom Gundersen
f0c4cd7a2c networkd: rework startup
Open all listenerns before loading configuration.
2014-03-11 12:03:46 +01:00
Tom Gundersen
fe8db0c5ee sd-network: add new library
This is similar to sd-login, but exposes the state of networkd rather than logind.

Include it in libsystemd-dhcp and rename it to libsystemd-network.
2014-02-28 01:01:13 +01:00
Tom Gundersen
1346b1f038 sd-dhcp-client/networkd: add transient hostname support 2014-01-16 20:32:08 +01:00
Tom Gundersen
1f6d9bc9ee networkd: improve logging 2014-01-16 20:32:08 +01:00
Tom Gundersen
3bef724f7e networkd: generate resolv.conf
This adds support to generate a basic resolv.conf in /run/systemd/network.
This file will not take any effect unless a symlink is created from
/etc/resolv.conf.

Nameservers received over DHCP takes precedence over statically configured ones.

Note: /etc/resolv.conf is severely limited, so in the future we will likely
rather provide a much more powerfull nss plugin (or something to that effect),
but this should allow current users to function without any loss of
functionality.
2014-01-12 15:37:21 +01:00
Patrik Flykt
e877666c15 networkd: Initialize variable to NULL
If any number of arguments are given, _cleanup_manager_free_ is used
with unitialized memory causing a crash.
2013-11-27 16:44:54 +01:00
Tom Gundersen
02b59d57e0 networkd: add bridge support
A bridge is specified in a .netdev file with a section [Bridge]
and at least the entry Name=.

A link may be joined to a bridge if the .network applied to it has
a Bridge= entry giving the name of the bridge in its [Network] section.

We eagerly create all bridges on startup, and links are added to
bridges as soon as they both appear.
2013-11-26 01:32:25 +01:00
Tom Gundersen
a553fd32d1 networkd: fix build
Forgot to 'git add'...
2013-11-23 02:47:12 +01:00
Tom Gundersen
4b6141c424 networkd: use Type=notify
Also start earlier during boot.
2013-11-23 02:07:08 +01:00
Tom Gundersen
f882c247ad networkd: make all calls async 2013-11-17 23:12:27 +01:00
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