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Commit Graph

48 Commits

Author SHA1 Message Date
Lucas Magasweran
b419e8776b network: examples: use wlan for Type instead of wifi 2021-05-10 11:28:52 +02:00
Yu Watanabe
6cde5b4b1c network: use IPMasquerade=both instead of yes
Follow-up for 4c72d851cd.
2021-02-24 15:01:43 +01:00
Daan De Meyer
2ec6191c38 networkd: Enable IPv6SendRA on builtin network files
RAs trigger neighbor discovery which allows users to query the
LL address of the container/VM via `ip neighbor get dev`. This is
useful as it gives users an easy way to connect to the container
without needing LLMNR or mDNS to resolve the hostname of the container
to an IP address. In practice, this allows connecting with only
networkd enabled and without resolved running in the host/container.
2021-01-06 20:00:49 +01:00
Jörg Thalheim
d7aa78c32f meson: add option to skip installing to $sysconfdir
This is useful for development where overwriting files out side
the configured prefix will affect the host as well as stateless
systems such as NixOS that don't let packages install to /etc but handle
configuration on their own.

Alternative to https://github.com/systemd/systemd/pull/17501

tested with:

$ mkdir inst build && cd build
$ meson \
  -Dcreate-log-dirs=false \
  -Dsysvrcnd-path=$(realpath ../inst)/etc/rc.d \
  -Dsysvinit-path=$(realpath ../inst)/etc/init.d \
  -Drootprefix=$(realpath ../inst) \
  -Dinstall-sysconfdir=false \
  --prefix=$(realpath ../inst) ..
$ ninja install
2020-11-12 11:21:46 +01:00
Yu Watanabe
db9ecf0501 license: LGPL-2.1+ -> LGPL-2.1-or-later 2020-11-09 13:23:58 +09:00
Marc-André Lureau
affb59e6a2 network: add TUN/TAP vt-* network rule for VMs
VM typically use a TAP device, and work similarly to a veth device from the
host side.
2020-04-17 19:15:00 +02:00
Zbigniew Jędrzejewski-Szmek
326b1f897b Remove stray file 2020-04-06 20:45:41 +02:00
Susant Sahani
2c649ca1c9 sd-dhcp: Add support to emit and retrieve SMTP server 2020-03-28 11:21:17 +01:00
Yu Watanabe
49f5cbe924 network: set AlternativeNamesPolicy= in 99-default.link 2019-12-17 15:44:48 +09:00
Zbigniew Jędrzejewski-Szmek
a9eedd3cf7 network: install wifi-adhoc.network by default, make wifi-{ap,station} examples
I think 80-wifi-adhoc.network is safe enough, since it just enables
the link-local addressing. But the other two enable DHCP in client
or server modes, and we should not do this by default.
2019-10-30 11:21:41 +01:00
Zbigniew Jędrzejewski-Szmek
1bcefad919 Merge pull request #13623 from yuwata/network-wifi-iftype 2019-10-25 14:19:06 +02:00
Yu Watanabe
15e089644c network: add default configurations for wireless interfaces 2019-10-25 16:43:24 +09:00
Yu Watanabe
84ea567eb4 udev,network: warn when .link or .network file has no [Match] section
Closes #12098.
2019-04-25 08:41:10 +02:00
Zbigniew Jędrzejewski-Szmek
3907446f02 link-config: add "keep" policy and use it by default
If "keep" policy is specified, and the interface has a name that is
NET_NAME_USER or NET_NAME_RENAMED, we stop processing rules. "keep" should
probably be specified either first or last depending on the preference.

This partially reimplements 55b6530baa, in the
sense that if the "keep" policy is not specified, and if the interface has
a NamingPolicy, it will be renamed, even if it had a name previously.
So this breaks backwards compatibility in this case, but that's more in line
with what users expect.

Closes #9006.
2019-01-17 13:56:02 +01:00
Zbigniew Jędrzejewski-Szmek
0cd41d4dff Drop my copyright headers
perl -i -0pe 's/\s*Copyright © .... Zbigniew Jędrzejewski.*?\n/\n/gms' man/*xml
git grep -e 'Copyright.*Jędrzejewski' -l | xargs perl -i -0pe 's/(#\n)?# +Copyright © [0-9, -]+ Zbigniew Jędrzejewski.*?\n//gms'
git grep -e 'Copyright.*Jędrzejewski' -l | xargs perl -i -0pe 's/\s*\/\*\*\*\s+Copyright © [0-9, -]+ Zbigniew Jędrzejewski[^\n]*?\s*\*\*\*\/\s*/\n\n/gms'
git grep -e 'Copyright.*Jędrzejewski' -l | xargs perl -i -0pe 's/\s+Copyright © [0-9, -]+ Zbigniew Jędrzejewski[^\n]*//gms'
2018-06-14 13:03:20 +02:00
Lennart Poettering
96b2fb93c5 tree-wide: beautify remaining copyright statements
Let's unify an beautify our remaining copyright statements, with a
unicode ©. This means our copyright statements are now always formatted
the same way. Yay.
2018-06-14 10:20:21 +02:00
Zbigniew Jędrzejewski-Szmek
11a1589223 tree-wide: drop license boilerplate
Files which are installed as-is (any .service and other unit files, .conf
files, .policy files, etc), are left as is. My assumption is that SPDX
identifiers are not yet that well known, so it's better to retain the
extended header to avoid any doubt.

I also kept any copyright lines. We can probably remove them, but it'd nice to
obtain explicit acks from all involved authors before doing that.
2018-04-06 18:58:55 +02:00
Zbigniew Jędrzejewski-Szmek
3a726fcd08 Add license headers and SPDX identifiers to meson.build files
So far I avoided adding license headers to meson files, but they are pretty
big and important and should carry license headers like everything else.
I added my own copyright, even though other people modified those files too.
But this is mostly symbolic, so I hope that's OK.
2017-11-19 19:08:15 +01:00
Zbigniew Jędrzejewski-Szmek
d9215cd838 Add SPDX license headers to various assorted files 2017-11-19 19:08:15 +01:00
Zbigniew Jędrzejewski-Szmek
349cc4a507 build-sys: use #if Y instead of #ifdef Y everywhere
The advantage is that is the name is mispellt, cpp will warn us.

$ git grep -Ee "conf.set\('(HAVE|ENABLE)_" -l|xargs sed -r -i "s/conf.set\('(HAVE|ENABLE)_/conf.set10('\1_/"
$ git grep -Ee '#ifn?def (HAVE|ENABLE)' -l|xargs sed -r -i 's/#ifdef (HAVE|ENABLE)/#if \1/; s/#ifndef (HAVE|ENABLE)/#if ! \1/;'
$ git grep -Ee 'if.*defined\(HAVE' -l|xargs sed -i -r 's/defined\((HAVE_[A-Z0-9_]*)\)/\1/g'
$ git grep -Ee 'if.*defined\(ENABLE' -l|xargs sed -i -r 's/defined\((ENABLE_[A-Z0-9_]*)\)/\1/g'
+ manual changes to meson.build

squash! build-sys: use #if Y instead of #ifdef Y everywhere

v2:
- fix incorrect setting of HAVE_LIBIDN2
2017-10-04 12:09:29 +02:00
Zbigniew Jędrzejewski-Szmek
72cdb3e783 build-sys: drop automake support
v2:
- also mention m4
2017-07-18 10:04:44 -04:00
Zbigniew Jędrzejewski-Szmek
2c201c2140 meson: use booleans for conf.set and drop unecessary conditionals
Using conf.set() with a boolean argument does the right thing:
either #ifdef or #undef. This means that conf.set can be used unconditionally.

Previously I used '1' as the placeholder value, and that needs to be changed to
'true' for consistency (under meson 1 cannot be used in boolean context). All
checks need to be adjusted.
2017-05-02 16:29:11 -04:00
Zbigniew Jędrzejewski-Szmek
37efbbd821 meson: reindent all files with 8 spaces
The indentation for emacs'es meson-mode is added .dir-locals.

All files are reindented automatically, using the lasest meson-mode from git.
Indentation should now be fairly consistent.
2017-04-23 21:47:29 -04:00
Zbigniew Jędrzejewski-Szmek
9ac47f3815 meson: fix condition for installation of .in units, 99-default.link
The condition to install in_units was calculated, but not used.

99-default.link should be installed uncoditionally.
2017-04-23 21:47:28 -04:00
Michael Biebl
e17e5ba9bf meson: use join_paths consistently
With -Dsplit-usr=true, we set rootprefix to /. This leads to //lib/systemd or
//lib/udev for various dir variables. Using join_paths() avoids this.
2017-04-23 21:47:28 -04:00
Zbigniew Jędrzejewski-Szmek
94e75a5409 meson: create dirs and touch /usr
This is the equivalent of $(INSTALL_DIRS) and install-touch-usr-hook.
I did not bother to create the directories into which we install files,
since they will be created anyway.

v2:
- remove bashism
2017-04-23 21:47:27 -04:00
Zbigniew Jędrzejewski-Szmek
5c23128dab meson: build systemd using meson
It's crucial that we can build systemd using VS2010!

... er, wait, no, that's not the official reason. We need to shed old systems
by requring python 3! Oh, no, it's something else. Maybe we need to throw out
345 years of knowlege accumulated in autotools? Whatever, this new thing is
cool and shiny, let's use it.

This is not complete, I'm throwing it out here for your amusement and critique.

- rules for sd-boot are missing. Those might be quite complicated.

- rules for tests are missing too. Those are probably quite simple and
  repetitive, but there's lots of them.

- it's likely that I didn't get all the conditions right, I only tested "full"
  compilation where most deps are provided and nothing is disabled.

- busname.target and all .busname units are skipped on purpose.

  Otherwise, installation into $DESTDIR has the same list of files and the
  autoconf install, except for .la files.

It'd be great if people had a careful look at all the library linking options.
I added stuff until things compiled, and in the end there's much less linking
then in the old system. But it seems that there's still a lot of unnecessary
deps.

meson has a `shared_module` statement, which sounds like something appropriate
for our nss and pam modules. Unfortunately, I couldn't get it to work. For the
nss modules, we need an .so version of '2', but `shared_module` disallows the
version argument. For the pam module, it also didn't work, I forgot the reason.

The handling of .m4 and .in and .m4.in files is rather awkward. It's likely
that this could be simplified. If make support is ever dropped, I think it'd
make sense to switch to a different templating system so that two different
languages and not required, which would make everything simpler yet.

v2:
- use get_pkgconfig_variable
- use sh not bash
- use add_project_arguments

v3:
- drop required:true and fix progs/prog typo

v4:
- use find_library('bz2')
- add TTY_GID definition
- define __SANE_USERSPACE_TYPES__
- use join_paths(prefix, ...) is used on all paths to make them all absolute

v5:
- replace all declare_dependency's with []
- add more conf.get guards around optional components

v6:
- drop -pipe, -Wall which are the default in meson
- use compiler.has_function() and compiler.has_header_symbol instead of the
  hand-rolled checks.
- fix duplication in 'liblibsystemd' library name
- use the right .sym file for pam_systemd
- rename 'compiler' to 'cc': shorter, and more idiomatic.

v7:
- use ENABLE_ENVIRONMENT_D not HAVE_ENVIRONMENT_D
- rename prefix to prefixdir, rootprefix to rootprefixdir
  ("prefix" is too common of a name and too easy to overwrite by mistake)
- wrap more stuff with conf.get('ENABLE...') == 1
- use rootprefix=='/' and rootbindir as install_dir, to fix paths under
  split-usr==true.

v8:
- use .split() also for src/coredump. Now everything is consistent ;)
- add rootlibdir option and use it on the libraries that require it

v9:
- indentation

v10:
- fix check for qrencode and libaudit

v11:
- unify handling of executable paths, provide options for all progs

  This makes the meson build behave slightly differently than the
  autoconf-based one, because we always first try to find the executable in the
  filesystem, and fall back to the default. I think different handling of
  loadkeys, setfont, and telinit was just a historical accident.

  In addition to checking in $PATH, also check /usr/sbin/, /sbin for programs.
  In Fedora $PATH includes /usr/sbin, (and /sbin is is a symlink to /usr/sbin),
  but in Debian, those directories are not included in the path.

  C.f. https://github.com/mesonbuild/meson/issues/1576.

- call all the options 'xxx-path' for clarity.
- sort man/rules/meson.build properly so it's stable
2017-04-23 21:47:26 -04:00
Lennart Poettering
bbc0c09448 network: allow LLDP packets to cross non-customer bridges for container network interfaces
This changes the default .network files we ship for nspawn containers to set
EmitLLDP=customer-bridge in order to allow propagation of the LLDP packets
across bridges. This is useful so that "networkctl status" shows all peers
connected to a virtual container network, collecting this data via LLDP. This
is safe since the default configuration for these interfaces does not bridge
these links to external interfaces, but relies on IP routing for this.
2016-05-09 15:45:31 +02:00
Lennart Poettering
3af18d8eab network: add automatic configuration for the networks created by nspawn --network-zone=
This way, they "just work", similar to --network-veth behaves, as long as
networkd is enabled and running on all involved nodes.
2016-05-09 15:45:31 +02:00
Lennart Poettering
2a5a6e05ca network: turn on LLDP tx+rx for the default container network configuration
Containers are relatively trusted and the veth tunnels are small networks,
hence let's turn on LLDP both ways for them.
2016-02-21 20:58:59 +01:00
Lennart Poettering
539f2a7381 networkd: emit DNS/NTP/Timezone info via DHCP server by default
If we have the data, emit it by default.
2015-08-27 16:47:26 +02:00
Lennart Poettering
e26b50585b network: turn on DHCP timezone passing between container and host
Let's turn on DHCP timezone passing from the host to a container, so
that the timezone is always in sync.
2015-08-26 20:45:29 +02:00
David Herrmann
0737984f69 network: fix 'LinkLocal' -> 'LinkLocalAddressing' in network files
'LinkLocal' was renamed to 'LinkLocalAddressing' in:

    commit 56fd6bf795
    Author: Tom Gundersen <teg@jklm.no>
    Date:   Sat Feb 14 00:32:26 2015 +0100

        networkd: .network - rename LinkLocal to LinkLocalAddressing

..but apparently the network files were not updated. Fix this.
2015-02-14 15:31:26 +01:00
Tom Gundersen
d0d6a4cd70 networkd: generalize IPv4LL to LinkLocal
This allows both IPv4 and IPv6 link-local addresses to be enabled or disabled. By default
we still enable IPv6LL and disable IPv4LL. The old config option is kept for backwards
compatibility, but removed from the documentation.
2015-02-09 12:20:10 +01:00
Lennart Poettering
db9fd84944 network: IPMasquerade= implies IPForward=, hence remove it 2015-01-13 20:17:07 +01:00
Lennart Poettering
cb9fc36a12 networkd: introduce an AddressFamilyBoolean enum type
This introduces am AddressFamilyBoolean type that works more or less
like a booleaan, but can optionally turn on/off things for ipv4 and ipv6
independently. THis also ports the DHCP field over to it.
2015-01-13 20:17:06 +01:00
Tom Gundersen
2f6379a9ac doc: network - add comment about default prefix size
Should hopefully make it clear that this is not some magic value, just the default we picked.

Suggested by Jan Engelhardt.
2015-01-13 18:23:59 +01:00
Lennart Poettering
5a8bcb674f networkd: add minimal IP forwarding and masquerading support to .network files
This adds two new settings to networkd's .network files:
IPForwarding=yes and IPMasquerade=yes. The former controls the
"forwarding" sysctl setting of the interface, thus controlling whether
IP forwarding shall be enabled on the specific interface. The latter
controls whether a firewall rule shall be installed that exposes traffic
coming from the interface as coming from the local host to all other
interfaces.

This also enables both options by default for container network
interfaces, thus making "systemd-nspawn --network-veth" have network
connectivity out of the box.
2015-01-13 13:55:15 +01:00
Tom Gundersen
04b67d4925 udev: link_setup - respect kernel name assign policy
Newer kernels export meta-information about the origin of an ifname. Respect this
from the ifname rename logic. We do not rename any interfaces that was originally
named by userspace, nor once which have already been renamed from userspace.

Moreover, we optionally do not (the default) rename interfaces which the kernel
claims to have named in a predictable way.
2014-08-08 13:30:15 +02:00
Tom Gundersen
ed942a9eb2 networkd: merge DHCPv4 and DHCPv6 config
If there are v4 or v6 specific options we can keep those in separate sections,
but for the common options, we will use only one.

Moreovere only use DHCP=[yes/both|no/none|v4|v6] to enable or disable the clients.
2014-06-29 15:18:21 +02:00
Lennart Poettering
1a524ed4ad build-sys: add missing Makefile symlink 2014-06-19 17:13:44 +02:00
Lennart Poettering
5a0e3f28ad net: enable dhcp6 for containers 2014-06-19 17:09:05 +02:00
Lennart Poettering
7826397d92 network: automatically assign each container veth link a /28 IP address range 2014-06-18 18:28:29 +02:00
Lennart Poettering
4eaea66423 network: always take possession of host side of nspawn veth tunnels and do IPv4LL on them 2014-05-18 20:52:49 +09:00
Tom Gundersen
60a0d61e7d network: default to IPv4LL on host0
Now that we have a graceful handover from IPv4LL to DHCP, there is no longer any reason to leave this off by default.
2014-04-03 19:09:22 +02:00
Tom Gundersen
dd4d2c1cd1 networkd/nspawn: enable dhcp client on veth device created in guest
When starting systemd-nspawn with --network-veth, we create a veth device called
host0 in the guest. Pick up on this and start a dhcp client on it. We will also
pick up host0 netdevs created by other containers should they chose to use the
same name.
2014-02-22 18:29:43 +01:00
Tom Gundersen
e51660ae56 udev: net-config - allow interface names to be set from the hwdb 2014-02-19 23:29:51 +01:00
Tom Gundersen
9dc670ea76 network: move configuration to /etc/systemd/network
This is private configuraiton, so let's not pollute the namespace (and hence make Debian happy :) ).
2013-10-29 14:17:57 +01:00