We don't want to waste a full "int" size to store the @hw_addr_type
in NMDevicePrivate. Previously, that was hacked around by using guint8.
Now, instead use a bitfield which has the right type.
These two structs are only used at exactly one place: as the type
for a field in NMDevicePrivate.
Having additional structs (that are only used at one place) only
add noise. Also, there are already prior-acts of using unnamed
structs in NMDevicePrivate in case of structs that only serve
to group/namespace a set of fields.
All callers either use a static @action argument or keep a clone
of the string that lives as long as the action is pending. So,
save cloning the string.
While we still recheck-available, we want to queue a pending action to block
startup-complete. However, we have to queue that before removing the pending
action for "wait for supplicant".
<debug> [...] device[0x563abbcca400] (wlp2s0): remove_pending_action (0): 'waiting for supplicant'
<info> [...] manager: startup complete
<debug> [...] device[0x563abbcca400] (wlp2s0): add_pending_action (1): 'queued state change to disconnected'
Startup-complete means that all devices have settled in a state
and no further activation is pending. When we have a recheck-available
scheduled, we clearly should not yet declare startup-complete.
Add a new pending-action "recheck-available" to avoid:
<info> [1485520408.3920] device (wlp2s0): supplicant interface state: starting -> ready
<debug> [1485520408.3920] device[0x563abbcca400] (wlp2s0): remove_pending_action (0): 'waiting for supplicant'
<info> [1485520408.3920] manager: startup complete
<debug> [1485520408.3924] device[0x563abbcca400] (wlp2s0): add_pending_action (1): 'queued state change to disconnected'
grep-ing for '\<scanning\>' yields 42 hits under src. But only 2 are actual
references to the "scanning" GObject property of NMDeviceWifi.
Use a #define with a unique name where we mean NMDeviceWifi's property.
I think NM_CACHED_QUARK_FCN() is better because:
- the implementation is in our hand, meaning it is clear that
putting a "static" before NM_CACHED_QUARK_FCN() is guaranteed to
work -- without relying on G_DEFINE_QUARK() to be defined in a way
that this works (in fact, we currently never do that and instead
make all functions non-static).
- it does not construct function names by appending "_quark".
Thus you can grep for the entire function name and finding
the place where it is implemented.
- same with the stings, where the new macro doesn't stringify the
argument, which is less surpising. Again, now you can grep
for the string including the double quoting.
(yes, I really use grep to understand the source-code)
ip4_addr_subnets_is_secondary() should fill the list of addresses in
the same subnet also when returning FALSE, because
nm_platform_ip4_address_sync() uses it.
Fixes: 2f68a50041
- use gs_free attribute
- move printing the logging cache warning inside the place
where we actuall add a new item to the cache.
It's really a minor cleanup of stuff that come to my mind reviewing the
function.
We no longer use wpa_supplicant for MAC address randomization. Instead, NetworkManager
handles it on it's own. It is actually important that supplicant does not interfere
when setting the MAC address of the device.
The code was only in effect when supplicant has a PreassocMacAddr property.
As this is a recent feature, the left-over code wasn't noticed until now.
https://mail.gnome.org/archives/networkmanager-list/2017-February/msg00003.html
Fixes: 767abfa690
./src/nm-config-data.h:163:1: error: 'const' type qualifier on return type has no effect [-Werror,-Wignored-qualifiers]
const guint nm_config_data_get_connectivity_interval (const NMConfigData *config_data);
^~~~~~
The -Wimplicit-fallthrough=3 warning is quite flexible of accepting
a fall-through warning.
Some comments were missing or not detected correctly.
Thereby, also change all other comments to follow the exact
same pattern.
It's not used anymore. Which is a good thing, because if it was used
we'd have to get rid of the uses.
It did accept a whitespace separated string for an argument, which is
never useful for us; it indicated error either on g_spawn_sync()
failure or an error status code of the program spawned, but only set the
error in the former case which had let to errors.
The would would be a bit nicer place without it.
(But not much)
nm_spawn_process() only sets error if the g_spawn_sync() itself fails,
not when the program ran returns a non-zero code.
<debug> [148 059915.1567] dns-mgr: update-dns: updating resolv.conf
<info> [148 059915.1568] dns-mgr: Removing DNS information from /usr/bin/resolvconf
No resolv.conf for interface NetworkManager
Thread 1 "NetworkManager" received signal SIGSEGV, Segmentation fault.
0x0000555555 7c325 in nm_dns_manager_end_updates
1532 _LOGW ("could not commit DNS changes: %s", error->message);
(gdb) bt full
#0 0x0000555555 7c325 in nm_dns_manager_end_updates
error = 0x0
With commit 4f6c91d696, we aimed to
enable mac-address-randomization by default for Wi-Fi. That however
is not possible by default because it breaks various scenarios.
Also, later wifi.mac-address-randomization was deprecated in favor
of wifi.cloned-mac-address setting.
Both wifi.mac-address-randomization and wifi.cloned-mac-address support
global default values, so it is wrong to read a missing
MAC_ADDRESS_RANDOMIZATION setting as "NEVER" -- which due to
normalization also results in cloned-mac-address=permanent.
See also commit 46d53e1101 which does
something similar for keyfile.
This bug also prevents a user from clearing the cloned-mac-address:
$ nmcli connection show "$CONN"
...
802-11-wireless.cloned-mac-address: permanent
802-11-wireless.mac-address-randomization: never
...
$ nmcli connection modify "$CONN: wifi.cloned-mac-address ''
# ^ takes no effect
As workaround, you also need to clear mac-address-randomization:
$ nmcli connection modify "$CONN: wifi.cloned-mac-address '' \
wifi.mac-address-randomization default
https://mail.gnome.org/archives/networkmanager-list/2017-January/msg00060.html
Changes:
- match_device_s390_subchannels_parse() should accept un-initialized
arguments a,b,c, as they are striclty output arguments (without
transfering ownership).
- the output arguments should be set if (and only if) the function
succeeds. That is, move assigning the output arguments to the end.
- increase the BUFSIZE. It's unclear why choosing 10. Probably that
was already sufficient as a subchannel looks like
"0.0.f5f0,0.0.f5f1,0.0.f5f2". Still, increase it to be ample.
If we want to restrict the parsing based on the lenght of the input,
that should be done explicitly (but that seems not desirable).
- use _nm_utils_ascii_str_to_int64() which checks that the range
of the values fits in guint32.
It seems wrong that match_device_s390_subchannels_eval() only compares
the first of up to three subchannels. But leave it as is for now.
If a slave device activates, we should keep the master up even though it
was taken over before.
This fixes an issue, where a single slave to a master would be
reactivated after a daemon restart. The daemon restart would cause the
master to be treated externally created (would go unmanaged when all the
slaves are gone) while the reactivation would leave the master without
slaves for a while.
The public property NM_DEVICE_ACTIVATION_REQUEST exposes the exported
D-Bus path. So, it's not sufficient to emit property changed signals
when changing the priv->act_request pointer, we must also react on
exporting/unexporting.
It's not clear whether this fixes an actual bug. Maybe, we never
export/unexport priv->act_request while the device tracks it.
But the code is pretty hard to follow and it's hard to verify
whether this is the case.
By hooking up to "notify::path", we can easily verify that such
a situtation cannot arise.
For better or worse, nm_exported_object_unexport() asserts that the
object is currently exported.
It's not clear that an active connection at this place is always
exported.
Fixes: f0e3dfdace
The active connection has an immutable connection property, but is
cleaned asynchronously by the manager after its settings connection is
done. Fine, let's remove it from the bus first though, so that we don't
hang there with a dangling object path.
When searching for "*", we still need to check for higher priority
"except:" matches. But don't duplicate the search loop and just
proceed with the regular searched.
It already has the "if (!except && match == NM_MATCH_SPEC_MATCH)" which
short-cuts the search.
Instead of passing on invdividual arguments for the match, create
a MatchDeviceData structure and pass it on.
This reduces the number of arguments and extending it later should
be easier. Also, lazily parse the hardware address as needed.
Previously, we would have different functions like
- nm_match_spec_device_type()
- nm_match_spec_hwaddr()
- nm_match_spec_s390_subchannels()
- nm_match_spec_interface_name()
which all would handle one type of match-spec.
So, to get the overall result whether the arguments
match or not, nm_device_spec_match_list() had to stich
them together and iterate the list multiple times.
Refactor the code to have one nm_match_spec_device()
function that gets all relevant paramters.
The upside is:
- the logic how to evaluate the match-spec is all at one place
(match_device_eval()) instead of spread over multiple
functions.
- It requires iterating the list at most twice. Twice, because
we do a fast pre-search for "*".
One downside could be, that we have to pass all 4 arguments
for the evaluation, even if the might no be needed. That is,
because "nm-core-utils.c" shall be independend from NMDevice, it
cannot receive a device instance to get the parameters as needed.
As we would add new match-types, the argument list would grow.
However, all arguments are cached and fetching them from the
device's private data is very cheap.
After commit 22e8af6242 ("device: set a per-device default MTU on
activation") we explicitly set the VLAN MTU to 1500 if not overridden
by user settings. This has the advantage that the MTU is set to a
predictable value, while before it could have different values
depending on when the interface was created (for example, the
interface would get a 1500 MTU if created during boot, or would
inherit the parent's MTU if activated manually).
However, a better default value is the MTU of the parent interface
which is in most cases what the user wants. This value was the default
before commit 22e8af6242 for manually activated connections.
https://bugzilla.redhat.com/show_bug.cgi?id=1414186
After commit 553717bb1c ("device: don't set ip4_state=IP_FAIL for
ipv4.method=disabled"), we commit an empty IPv4 configuration when
IPv4 is disabled. This means that it's not necessary anymore to call
_commit_mtu() because the MTU will be set in
ip4_config_merge_and_apply().
