Add svGetValue_cp() and svGetValueStr() for completeness.
Currently, we mostly use svGetValueStr_cp(), which I think is wrong
because for most cases we should instead not ignore empty values -- that
is, svGetValue_cp() would be a better choice.
Also, I think that the non *_cp() API should be preferred in many cases
because it avoids cloning the value in many cases. The API is not
necessarily less favorable either:
gs_free char *value = NULL;
value = svGetValue_cp (s, key);
if (value)
...
vs.
gs_free char *value_to_free = NULL;
const char *value;
value = svGetValue (s, key, &value_to_free);
if (value)
...
Add the two missing variants, so that future code can use what fits
best, not following undesired practices because seemingly there is
no alternative.
We have
- svGetValue()
- returns the original string
- avoids copying the string unless necessary
- svGetValueStr_cp() (formerly svGetValueString())
- returns the original string, unless it is empty ""
- always clones the string
I think the behavior svGetValueStr*() of coercing "" to NULL is wrongly
used in most places. We should better handle "" like any other value,
not treat it as unset.
That would require another function svGetValue_cp(), which is like svGetValue()
but always copies the string. Rename svGetValueString() so that there is a place
for names like
- svGetValue_cp()
- svGetValueStr()
Also rename svSetValueString() to svSetValueStr().
Ifcfg reader now properly handles escaping and quoting. We don't
need to stip whitespace, if somebody explicitly configures
prop=" value"
it is a configuration error.
NMDeviceEthernet and NMDeviceMacsec implement their own retry policy
for connection using 802.1X, and consider the credentials wrong when
the authentication fails for 3 times. In such case, they also disable
autoconnection for the device by setting the state reason NO_SECRETS.
This means that it's not possible at the moment to choose how many
times the authentication will be retried since they don't use the
standard reconnection logic.
Change NMDeviceEthernet and NMDeviceMacsec to use the number of
retries from connection.autoconnect-retries instead of a hardcoded
value to decide how many times the authentication must be restarted.
Use the per-connection authentication timeout for 802.1X Ethernet,
MACsec and Wi-Fi connections. In case the value is not defined, fall
back to the global one.
The property can be used to tune the authentication timeout. It's
especially useful to speed up the failure in case the port doesn't
support 802.1X and make NM try a different, non-authenticated
connection.
This makes it more likely that the user will end up with a master
connection that has connection.interface-name property. This makes it
possible for ifcfg plugin to specify the master in the for of device
name (as opposed to UUID) for compatibility with the legacy network
tooling.
This is equivalent to what nmcli does.
https://bugzilla.redhat.com/show_bug.cgi?id=1369091
The wpa_supplicant API supports to enable/disable each TLS version
individually, or leave it at the default. Currently, the default
means to enable a TLS version, thus, the only meaningful option
for the momemnt means to explicitly disable it.
In the future, supplicant may disable options by default, and
the inverse option can become interesting to configure
"tls_disable_tlsv1_0=0". When that happens, we can solve it by
adding another flag NM_SETTING_802_1X_AUTH_FLAGS_TLS_1_0_ENABLE.
Change the previous behavior of the NMSetting8021xAuthFlags.
Previously, when not specifying TLS_DISABLE_DEFAULT, all
options were unspecified. On the other hand, when specifying
a single TLS disable flag, all versions were explicitly enabled
or disabled.
Instead, change the meaning of the disable flags. When present,
it explicitly disables an option. But it does not explicitly enable
it.
Some AAA servers have issues interoperating with select TLS versions,
which wpa_supplicant negotiates by default.
This commit allows disabling troubling versions of TLS so that
connecting to broken authentication servers could be possible.
- for nm_utils_enum_to_str(), whenever encounter a numeric value
that has no expression as enum/flag, encode the value numerically.
For enums, encode it as decimal. For flags, encode it as hexadecimal
(with 0x prefix).
Also check that an existing value_nick cannot be wrongly interpreted
as a integer, and if they would, encode them instead as integers only.
- Likewise, in nm_utils_enum_from_str() accept numerical values
and for nm_utils_enum_get_values() return enum nicks that look
like numeric values in their numeric form only.
- In nm_utils_enum_from_str(), don't use g_strsplit(), but clone the
string only once and manipulate it inplace.
- Accept '\n' and '\r' as additional delimiters for flags.
- For consistency, also return an err_token for enum types. If the caller
doesn't care about that, he should simply not pass the out-argument.
Unfortunately nm_utils_enum_to_str() doesn't allow to specify the
separator between enum values. Since the function is public API and
can't be modified now, add a new internal function which accepts the
separator as argument.
We log updates of the Wi-Fi AP with a separate logging domain LOGD_WIFI_SCAN.
However, there is ony "update" message that is triggered every 6 seconds, which
becomes especially verbose.
Suppress this one and only log it when compiled --with-more-logging. And then
only log with level LOGL_TRACE, so the user still can filter this one out.
"shared/nm-setting-metadata.h" will contain data structures
to handle NM setting properties in a generic way.
For now, this is internal API, but shared between libnm-core (which
extends to libnm, NetworkManager, device-plugins, settings-plugins),
and nmcli.
Related: https://bugzilla.gnome.org/show_bug.cgi?id=732292
We should only start autoconnecting after the scan is complete.
Otherwise, we might activate a shared connection or pick a
connection based on an incomplete scan list.
https://bugzilla.gnome.org/show_bug.cgi?id=770938
It allows derived classes to override the autoconnect-allowed
state.
We already have
- NM_DEVICE_AUTOCONNECT property, which is two parts:
- NMDevicePrivate::autoconnect_user, which is settable via
D-Bus by the use, to allow the device to autoconnect.
- NMDevicePrivate::autoconnect_intern, which is set by
internal decision.
- NM_DEVICE_AUTOCONNECT_ALLOWED signal, where other devices can
subscribe to block autoconnect. Currently that is only used
by NMDeviceOlpcMesh.
These two make up for nm_device_autoconnect_allowed().
Add another way to allow derived classes to disable autoconnect
temporarily. This could also be achieved by having the device
subscribe to NM_DEVICE_AUTOCONNECT_ALLOWED of self, or by adding
a signal slot. But a plain function pointer seems easier.
The NMDevice's autoconnect property is settable via D-Bus and is is
also modified by internal decision, like when no PIN is available.
Certain internal actions cause clearing the internal autoconnect flag,
but they should not override the user desicion.
For example, when NM awaks from sleep it would reenable autoconnect,
but it should not reenable it for devices where the user explicitly
said that autoconnect is to be disabled.
Similarly, activating a device alone is not yet an instruction to
re-enable autoconnect. If the user consciously disables autoconnect,
it should stay enabled. On the other hand, activating a device should
reenable autoconnect if it was blocked by internal decision.
We need to track these two flags separately, and set them accordingly.
Since we emit BSS_UPDATED signal before SCAN_DONE, it is very likely
that nothing actually changed. This clutters the logs with update
messages.
Also move the added/removed logging messages inside ap_add_remove().
We would call ap_add_remove() at several places without logging the
change.
We initialize the BSS asyncronously. Don't declare SCAN_DONE
until all BSS are up.
Otherwise, especially during the very first scan we declare SCAN_DONE
when having no BSS yet. This wrongly removes the pending action
"wifi-scan", while "autoconnect" cannot happen as there are not BSS
yet. Thus we declare "startup-complete" too early.
Another issue is that we may start autoconnecting with an incomplete
scan list, and thus pick a non-preferred connections.
https://bugzilla.gnome.org/show_bug.cgi?id=777831
