| Commit message (Collapse) | Author | Age | Files | Lines |
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Introduce libnm API to reload NM configuration through the Reload()
D-Bus method.
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Flags to the manager Reload() method are stable API but not exposed in
a public header. Export them.
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https://gitlab.freedesktop.org/NetworkManager/NetworkManager/merge_requests/270
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This will make NetworkManager look up APN, username, and password in the
Mobile Broadband Provider database.
It is mutually exclusive with the apn, username and password properties.
If that is the case, the connection will be normalized to
auto-config=false. This makes it convenient for the user to turn off the
automatism by just setting the apn.
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$ find * -type f |xargs perl contrib/scripts/spdx.pl
$ git rm contrib/scripts/spdx.pl
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...to aid readability.
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NM didn't support wpa-none for years because kernel drivers used to be
broken. Note that it wasn't even possible to *add* a connection with
wpa-none because it was rejected in nm_settings_add_connection_dbus().
Given that wpa-none is also deprecated in wpa_supplicant and is
considered insecure, drop altogether any reference to it.
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Fix this:
libnm/meson.build:215: WARNING: Passed invalid keyword argument
"depends".
WARNING: This will become a hard error in the future.
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For WireGuard (like for all IP-tunnels and IP-based VPNs), the IP addresses of
the peers must be reached outside the tunnel/VPN itself.
For VPN connections, NetworkManager usually adds a direct /32 route to
the external VPN gateway to the underlying device. For WireGuard that is
not done, because injecting a route to another device is ugly and error
prone. Worse: WireGuard with automatic roaming and multiple peers makes this
more complicated.
This is commonly a problem when setting the default-route via the VPN,
but there are also other subtle setups where special care must be taken
to prevent such routing loops.
WireGuard's wg-quick provides a simple, automatic solution by adding two policy
routing rules and relying on the WireGuard packets having a fwmark set (see [1]).
Let's also do that. Add new properties "wireguard.ip4-auto-default-route"
and "wireguard.ip6-auto-default-route" to enable/disable this. Note that
the default value lets NetworkManager automatically choose whether to
enable it (depending on whether there are any peers that have a default
route). This means, common scenarios should now work well without additional
configuration.
Note that this is also a change in behavior and upon package upgrade
NetworkManager may start adding policy routes (if there are peers that
have a default-route). This is a change in behavior, as the user already
clearly had this setup working and configured some working solution
already.
The new automatism picks the rule priority automatically and adds the
default-route to the routing table that has the same number as the fwmark.
If any of this is unsuitable, then the user is free to disable this
automatism. Note that since 1.18.0 NetworkManager supports policy routing (*).
That means, what this automatism does can be also achieved via explicit
configuration of the profile, which gives the user more flexibility to
adjust all parameters explicitly).
(*) but only since 1.20.0 NetworkManager supports the "suppress_prefixlength"
rule attribute, which makes it impossible to configure exactly this rule-based
solution with 1.18.0 NetworkManager.
[1] https://www.wireguard.com/netns/#improved-rule-based-routing
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It should be possible to add a profile with autoconnect blocked form the
start. Update2() has a %NM_SETTINGS_UPDATE2_FLAG_BLOCK_AUTOCONNECT flag to
block autoconnect, and so we need something similar when adding a connection.
As the existing AddConnection() and AddConnectionUnsaved() API is not
extensible, add AddConnection2() that has flags and room for additional
arguments.
Then add and implement the new flag %NM_SETTINGS_ADD_CONNECTION2_FLAG_BLOCK_AUTOCONNECT
for AddConnection2().
Note that libnm's nm_client_add_connection2() API can completely replace
the existing nm_client_add_connection_async() call. In particular, it
will automatically prefer to call the D-Bus methods AddConnection() and
AddConnectionUnsaved(), in order to work with server versions older than
1.20. The purpose of this is that when upgrading the package, the
running NetworkManager might still be older than the installed libnm.
Anyway, so since nm_client_add_connection2_finish() also has a result
output, the caller needs to decide whether he cares about that result.
Hence it has an argument ignore_out_result, which allows to fallback to
the old API. One might argue that a caller who doesn't care about the
output results while still wanting to be backward compatible, should
itself choose to call nm_client_add_connection_async() or
nm_client_add_connection2(). But instead, it's more convenient if the
new function can fully replace the old one, so that the caller does not
need to switch which start/finish method to call.
https://bugzilla.redhat.com/show_bug.cgi?id=1677068
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So that applications like GNOME Shell can hit the same URI to show the
captive portal login page.
https://gitlab.freedesktop.org/NetworkManager/NetworkManager/merge_requests/209
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To create a disambiguated name for some Bluetooth devices we use its type name
with iface, however this value is allocated but never free'd when passed to
g_strdup_printf.
So use instead a temporary variable and free it once done.
https://gitlab.freedesktop.org/NetworkManager/NetworkManager/merge_requests/208
Fixes: 8bbda5cdff0f7f04d3b5863edfdba335dab4c7f8
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WireGuard's wq-quick configures such rules to avoid routing loops.
While we currently don't have an automatic solution for this, at least
we should support it via explicit user configuration.
One problem is that suppress_prefixlength is relatively new and kernel
might not support this attribute. That can lead to odd results, because
the NetworkManager is valid but it cannot be configured on the current
kernel. But this is a general problem, and we would require a general
solution. The solution cannot be to only support rule attributes that
are supported by the oldest possible kernel. It's not clear how much of
a problem there really is, or which general solution is required (if
any).
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Initscripts already honor the DEVTIMEOUT variable (rh #1171917).
Don't make this a property only supported by initscripts. Every
useful property should also be supported by keyfile and it should
be accessible via D-Bus.
Also, I will soon drop NMSIfcfgConnection, so handling this would
require extra code. It's easier when DEVTIMEOUT is a regular property of
the connection profile.
The property is not yet implemented. ifcfg-rh still uses the old
implementation, and keyfile is not yet adjusted. Since both keyfile
and ifcfg-rh will both be rewritten soon, this property will be
implemented then.
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Also, plan right away to backport this symbol all the way back to
1.14.8. As such, we only need to add it once, with the right linker
version "libnm_1_14_8".
But still, the symbols first appears on a major release 1.20.0.
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It's rather limiting if we have no API to ask NMSettingEthtool which
options are set.
Note that currently NMSettingEthtool only supports offload features.
In the future, it should also support other options like coalesce
or ring options. Hence, this returns all option names, not only
features.
If a caller needs to know whether the name is an option name, he/she
should call nm_ethtool_optname_is_feature().
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sed '1,3 { /^\(#\|--\) *vim:/d }; 1 { /^\/\* *vim:.*\*\/$/ d}' -i $(git grep -l 'vim:')
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We no longer add these. If you use Emacs, configure it yourself.
Also, due to our "smart-tab" usage the editor anyway does a subpar
job handling our tabs. However, on the upside every user can choose
whatever tab-width he/she prefers. If "smart-tabs" are used properly
(like we do), every tab-width will work.
No manual changes, just ran commands:
F=($(git grep -l -e '-\*-'))
sed '1 { /\/\* *-\*- *[mM]ode.*\*\/$/d }' -i "${F[@]}"
sed '1,4 { /^\(#\|--\|dnl\) *-\*- [mM]ode/d }' -i "${F[@]}"
Check remaining lines with:
git grep -e '-\*-'
The ultimate purpose of this is to cleanup our files and eventually use
SPDX license identifiers. For that, first get rid of the boilerplate lines.
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Completely refactor the team/JSON handling in libnm's NMSettingTeam and
NMSettingTeamPort.
- team handling was added as rh#1398925. The goal is to have a more
convenient way to set properties than constructing JSON. This requires
libnm to implement the hard task of parsing JSON (and exposing well-understood
properties) and generating JSON (based on these "artificial" properties).
But not only libnm. In particular nmcli and the D-Bus API must make this
"simpler" API accessible.
- since NMSettingTeam and NMSettingTeamPort are conceptually the same,
add "libnm-core/nm-team-utils.h" and NMTeamSetting that tries to
handle the similar code side-by-sdie.
The setting classes now just delegate for everything to NMTeamSetting.
- Previously, there was a very fuzzy understanding of the provided
JSON config. Tighten that up, when setting a JSON config it
regenerates/parses all other properties and tries to make the
best of it. When modifying any abstraction property, the entire
JSON config gets regenerated. In particular, don't try to merge
existing JSON config with the new fields. If the user uses the
abstraction API, then the entire JSON gets replaced.
For example note that nm_setting_team_add_link_watcher() would not
be reflected in the JSON config (a bug). That only accidentally worked
because client would serializing the changed link watcher to
GVariant/D-Bus, then NetworkManager would set it via g_object_set(),
which would renerate the JSON, and finally persist it to disk. But
as far as libnm is concerned, nm_setting_team_add_link_watcher() would
bring the settings instance in an inconsistent state where JSON and
the link watcher property disagree. Setting any property must
immediately update both the JSON and the abstraction API.
- when constucting a team setting from D-Bus, we would previously parse
both "config" and abstraction properties. That is wrong. Since our
settings plugins only support JSON, all information must be present
in the JSON config anyway. So, when "config" is present, only the JSON
must be parsed. In the best case, the other information is redudant and
contributes nothing. In the worse case, they information differs
(which might happen if the client version differs from the server
version). As the settings plugin only supports JSON, it's wrong to
consider redundant, differing information from D-Bus.
- we now only convert string to JSON or back when needed. Previously,
setting a property resulted in parsing several JSON multiple times
(per property). All operations should now scale well and be reasonably
efficient.
- also the property-changed signals are now handled correctly. Since
NMTeamSetting knows the current state of all attributes, it can emit
the exact property changed signals for what changed.
- we no longer use libjansson to generate the JSON. JSON is supposed
to be a machine readable exchange format, hence a major goal is
to be easily handled by applications. While parsing JSON is not so
trivial, writing a well-known set of values to JSON is.
The advantage is that when you build libnm without libjansson support,
then we still can convert the artificial properties to JSON.
- Requiring libjansson in libnm is a burden, because most of the time
it is not needed (as most users don't create team configurations). With
this change we only require it to parse the team settings (no longer to
write them). It should be reasonably simple to use a more minimalistic
JSON parser that is sufficient for us, so that we can get rid of the
libjansson dependency (for libnm). This also avoids the pain that we have
due to the symbol collision of libjansson and libjson-glib.
https://bugzilla.redhat.com/show_bug.cgi?id=1691619
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Same as done for autotools.
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I also like this because it's non-obvious that subscription IDs from
GDBusConnection are "guint" (contrary to signal handler IDs which are
"gulong"). So, by using this API you get a compiler error when using the
wrong type.
In the past, when switching to nm_clear_g_signal_handler() this uncovered
multiple bugs where the wrong type was used to hold the ID.
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... and nm_dbus_connection_call_get_name_owner().
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The library is called "libnm_core". So the dependency should be called
"libnm_core_dep", like in all other cases.
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"libnm-core" implements common functionality for "NetworkManager" and
"libnm".
Note that clients like "nmcli" cannot access the internal API provided
by "libnm-core". So, if nmcli wants to do something that is also done by
"libnm-core", , "libnm", or "NetworkManager", the code would have to be
duplicated.
Instead, such code can be in "libnm-libnm-core-{intern|aux}.la".
Note that:
0) "libnm-libnm-core-intern.la" is used by libnm-core itsself.
On the other hand, "libnm-libnm-core-aux.la" is not used by
libnm-core, but provides utilities on top of it.
1) they both extend "libnm-core" with utlities that are not public
API of libnm itself. Maybe part of the code should one day become
public API of libnm. On the other hand, this is code for which
we may not want to commit to a stable interface or which we
don't want to provide as part of the API.
2) "libnm-libnm-core-intern.la" is statically linked by "libnm-core"
and thus directly available to "libnm" and "NetworkManager".
On the other hand, "libnm-libnm-core-aux.la" may be used by "libnm"
and "NetworkManager".
Both libraries may be statically linked by libnm clients (like
nmcli).
3) it must only use glib, libnm-glib-aux.la, and the public API
of libnm-core.
This is important: it must not use "libnm-core/nm-core-internal.h"
nor "libnm-core/nm-utils-private.h" so the static library is usable
by nmcli which couldn't access these.
Note that "shared/nm-meta-setting.c" is an entirely different case,
because it behaves differently depending on whether linking against
"libnm-core" or the client programs. As such, this file must be compiled
twice.
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From the files under "shared/nm-utils" we build an internal library
that provides glib-based helper utilities.
Move the files of that basic library to a new subdirectory
"shared/nm-glib-aux" and rename the helper library "libnm-core-base.la"
to "libnm-glib-aux.la".
Reasons:
- the name "utils" is overused in our code-base. Everything's an
"utils". Give this thing a more distinct name.
- there were additional files under "shared/nm-utils", which are not
part of this internal library "libnm-utils-base.la". All the files
that are part of this library should be together in the same
directory, but files that are not, should not be there.
- the new name should better convey what this library is and what is isn't:
it's a set of utilities and helper functions that extend glib with
funcitonality that we commonly need.
There are still some files left under "shared/nm-utils". They have less
a unifying propose to be in their own directory, so I leave them there
for now. But at least they are separate from "shared/nm-glib-aux",
which has a very clear purpose.
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We built (among others) two libraries from the sources in "shared/nm-utils":
"libnm-utils-base.la" and "libnm-utils-udev.la".
It's confusing. Instead use directories so there is a direct
correspondence between these internal libraries and the source files.
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In some cases it is convenient to specify ranges of bridge vlans, as
already supported by iproute2 and natively by kernel. With this commit
it becomes possible to add a range in this way:
nmcli connection modify eth0-slave +bridge-port.vlans "100-200 untagged"
vlan ranges can't be PVIDs because only one PVID vlan can exist.
https://bugzilla.redhat.com/show_bug.cgi?id=1652910
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This removes libnm-glib, libnm-glib-vpn, and libnm-util for good.
The it has been replaced with libnm since NetworkManager 1.0, disabled
by default since 1.12 and no up-to-date distributions ship it for years
now.
Removing the libraries allows us to:
* Remove the horrible hacks that were in place to deal with accidental use
of both the new and old library in a single process.
* Relief the translators of maintenance burden of similar yet different
strings.
* Get rid of known bad code without chances of ever getting fixed
(libnm-glib/nm-object.c and libnm-glib/nm-object-cache.c)
* Generally lower the footprint of the releases and our workspace
If there are some really really legacy users; they can just build
libnm-glib and friends from the NetworkManager-1.16 distribution. The
D-Bus API is stable and old libnm-glib will keep working forever.
https://github.com/NetworkManager/NetworkManager/pull/308
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We need this for a little little longer :(
This reverts commit 1de8383ad9fdfc8f552117e5d109bdfa7005634b.
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Add NMIPRoutingRule API with a few basic rule properties. More
properties will be added later as we want to support them.
Also, add to/from functions for string/GVariant representations.
These will be needed to persist/load/exchange rules.
The to-string format follows the `ip rule add` syntax, with the aim
to be partially compatible. Full compatibility is not possible though,
for various reasons (see code comment).
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At a few places we checked whether neighbor->attrs was non-NULL.
That is not necessary, unless we'd like to catch some dangling/invalid
pointers. The attrs hash is always set otherwise.
Instead of just dropping the check, add a NM_IS_LLDP_NEIGHBOR() macro
(inline function).
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For one, just reassigning copy->attrs leaks the previous
hash table. Fix that.
Also, NMLldpNeighbor instances are not immutable. I think that
is an uglyness, and it would be preferable that they can be sealed.
A sealed object could safely share/ref the internal hash-table. However,
as it is, we cannot just have two NMLldpNeighbor instances share the
same hash-table. Do a full copy.
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The function provides access to the GVariant representing a LLDP
attribute.
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Add the const qualifier to the attribute name in LLDP API functions so
that const strings and string literals are accepted. This change is
backwards compatible for existing users of the API.
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It's well understood that these are NUL terminated strings.
We don't need strlen() to check that the strings aren't
empty.
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This removes libnm-glib, libnm-glib-vpn, and libnm-util for good.
The it has been replaced with libnm since NetworkManager 1.0, disabled
by default since 1.12 and no up-to-date distributions ship it for years
now.
Removing the libraries allows us to:
* Remove the horrible hacks that were in place to deal with accidental use
of both the new and old library in a single process.
* Relief the translators of maintenance burden of similar yet different
strings.
* Get rid of known bad code without chances of ever getting fixed
(libnm-glib/nm-object.c and libnm-glib/nm-object-cache.c)
* Generally lower the footprint of the releases and our workspace
If there are some really really legacy users; they can just build
libnm-glib and friends from the NetworkManager-1.16 distribution. The
D-Bus API is stable and old libnm-glib will keep working forever.
https://github.com/NetworkManager/NetworkManager/pull/308
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Fixes: a8d600525643 ('libnm: implement support for DNS manager properties')
https://bugzilla.redhat.com/show_bug.cgi?id=1689055
(cherry picked from commit d867837d05a808ff90756a41a96f778846522465)
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Codespel run with the same arguments as described in
commit 58510ed56679 ('docs: misc. typos pt2').
(cherry picked from commit bf0c4e6ac2855088e3962693886bb6ab71856f7b)
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