The logging macros _LOGD(), etc. are specific to each
file as they format the message according to their context.
Still, they were cumbersome to define and their implementation
was repeated over and over (slightly different at times).
Move the declaration of these macros to "nm-logging.h".
The source file now only needs to define _NMLOG(), and either
_NMLOG_ENABLED() or _NMLOG_DOMAIN.
This reduces code duplication and encourages a common implementation
and usage of these macros.
Don't clear NMDevice @master in nm_device_cleanup() if the device link
is still enslaved because this causes an inconsistent state in which
the slave in included in the @slaves field of master device but
@master of slave device is NULL.
In such state, if the master link gets deleted, NM receives a change
event for each slave and a deletion event for the master; the change
events should also remove slaves from @slaves of master device, but
since their @master field is NULL the removal can't be performed.
Later, when the master deletion event is received, @slaves is not empty
in dispose() of NMDevice and the following assertion is triggered:
dispose: runtime check failed: (priv->slaves == NULL)
https://bugzilla.redhat.com/show_bug.cgi?id=1243371
When the DHCPv6 lease received from the server contains multiple
addresses, dhclient generates a new BOUND event for each of
them. Instead of overwriting the previous IP6 configuration for each
BOUND event, we should try to detect if the new configuration belongs
to the same lease and merge its addresses with the existing one in
such case.
This allows NetworkManager to configure multiple addresses on an
interface via DHCPv6.
https://bugzilla.gnome.org/show_bug.cgi?id=681764https://bugzilla.redhat.com/show_bug.cgi?id=1244293
It might just be that we didn't see it yet; either on daemon startup on in a
race. The nm_platform_*_add() deals with the device already being there in
_link_add_check_existing().
NetworkManager:ERROR:devices/nm-device-bridge.c:402:create_and_realize: assertion failed: (nm_device_get_ifindex (device) <= 0)
Program received signal SIGABRT, Aborted.
0x00007ffff46965d7 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
56 return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);
Missing separate debuginfos, use: debuginfo-install bluez-libs-5.23-4.el7.x86_64
(gdb) bt
#0 0x00007ffff46965d7 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1 0x00007ffff4697cc8 in __GI_abort () at abort.c:90
#2 0x00007ffff4a916d5 in g_assertion_message (domain=domain@entry=0x5a5088 "NetworkManager", file=file@entry=0x59b0f2 "devices/nm-device-bridge.c", line=line@entry=402, func=func@entry=0x59b3f0 <__FUNCTION__.29169> "create_and_realize", message=message@entry=0xa76a30 "assertion failed: (nm_device_get_ifindex (device) <= 0)") at gtestutils.c:2292
#3 0x00007ffff4a9176a in g_assertion_message_expr (domain=domain@entry=0x5a5088 "NetworkManager", file=file@entry=0x59b0f2 "devices/nm-device-bridge.c", line=line@entry=402, func=func@entry=0x59b3f0 <__FUNCTION__.29169> "create_and_realize", expr=expr@entry=0x59aef8 "nm_device_get_ifindex (device) <= 0") at gtestutils.c:2307
#4 0x0000000000447cb6 in create_and_realize (device=0xa77f40 [NMDeviceBridge], connection=0x8d0200, parent=<optimized out>, out_plink=0x7fffffffd700, error=0x0) at devices/nm-device-bridge.c:402
#5 0x000000000045d560 in nm_device_create_and_realize (self=self@entry=0xa77f40 [NMDeviceBridge], connection=connection@entry=0x8d0200, parent=<optimized out>, error=error@entry=0x0)
at devices/nm-device.c:1594
#6 0x00000000004d4b64 in system_create_virtual_device (self=self@entry=0x8802b0 [NMManager], connection=connection@entry=0x8d0200, error=error@entry=0x0) at nm-manager.c:983
#7 0x00000000004d4d71 in system_create_virtual_devices (self=0x8802b0 [NMManager]) at nm-manager.c:1022
#8 0x00000000004d47a5 in add_device (self=<optimized out>, device=<optimized out>, try_assume=<optimized out>) at nm-manager.c:1785
#9 0x00000000004d501f in platform_link_added (self=self@entry=0x8802b0 [NMManager], ifindex=<optimized out>, plink=plink@entry=0xa7f810) at nm-manager.c:1887
#10 0x00000000004d7c24 in nm_manager_start (self=0x8802b0 [NMManager]) at nm-manager.c:1959
#11 0x00000000004d7c24 in nm_manager_start (self=self@entry=0x8802b0 [NMManager], error=error@entry=0x7fffffffd930) at nm-manager.c:4178
#12 0x00000000004459ec in main (argc=1, argv=0x7fffffffda88) at main.c:442
(gdb)
We can dispose the manager before loading the factories:
NetworkManager[20214]: <error> [1439391976.738579] [nm-bus-manager.c:764] nm_bus_manager_start_service(): Could not acquire the NetworkManager service as it is already taken.
NetworkManager[20214]: <error> [1439391976.738617] [main.c:424] main(): failed to start the dbus service.
NetworkManager[20214]: nm_device_factory_manager_for_each_factory: assertion 'factories_by_link' failed
Program received signal SIGTRAP, Trace/breakpoint trap.
g_logv (log_domain=0x5a5028 "NetworkManager", log_level=G_LOG_LEVEL_CRITICAL, format=<optimized out>, args=args@entry=0x7fffffffd750) at gmessages.c:1046
1046 g_private_set (&g_log_depth, GUINT_TO_POINTER (depth));
(gdb) bt
#0 0x00007ffff4a738c3 in g_logv (log_domain=0x5a5028 "NetworkManager", log_level=G_LOG_LEVEL_CRITICAL, format=<optimized out>, args=args@entry=0x7fffffffd750) at gmessages.c:1046
#1 0x00007ffff4a73a3f in g_log (log_domain=log_domain@entry=0x5a5028 "NetworkManager", log_level=log_level@entry=G_LOG_LEVEL_CRITICAL, format=format@entry=0x7ffff4ae173d "%s: assertion '%s' failed")
at gmessages.c:1079
#2 0x00007ffff4a73a79 in g_return_if_fail_warning (log_domain=log_domain@entry=0x5a5028 "NetworkManager", pretty_function=pretty_function@entry=0x5a5420 <__FUNCTION__.26921> "nm_device_factory_manager_for_each_factory", expression=expression@entry=0x5a4f25 "factories_by_link") at gmessages.c:1088
#3 0x00000000004704e4 in nm_device_factory_manager_for_each_factory (callback=callback@entry=0x4d29a0 <_deinit_device_factory>, user_data=user_data@entry=0x8802b0) at devices/nm-device-factory.c:306
#4 0x00000000004d2927 in dispose (object=0x8802b0 [NMManager]) at nm-manager.c:5086
#5 0x00007ffff4d6ea82 in g_object_unref (_object=0x8802b0) at gobject.c:3133
#6 0x00000000004459f6 in main (argc=1, argv=0x7fffffffda88) at main.c:468
(gdb)
During merge_and_apply(), we merge several NMIPxConfig into a new
@composite. For 'ignore-auto-routes' and 'ignore-auto-dns', we want to
prevent certain routes/dns-settings to be merged.
But it is wrong to reject settings from all partial configs.
For example, especially ext_ipx_config and vpn_ipx_config contain
routes that we still must merge and preserve.
This was recently changed by 79630c11e5
and previously by ab6548c621. But it was
wrong for a long time already.
Also note, that nm_ip4_config_merge() now also ignores NIS, WINS, and
dns-options.
https://bugzilla.gnome.org/show_bug.cgi?id=752546
Fixes: 79630c11e5
The new flags are not yet used, so there is no change in functionality.
The flags NM_IP_CONFIG_MERGE_NO_ROUTES and NM_IP_CONFIG_MERGE_NO_DNS go
together with the 'ignore-auto-routes' and 'ignore-auto-dns' setting.
Note that for IPv4, NM_IP_CONFIG_MERGE_NO_DNS also ignores NIS, WINS, and dns-options.
This is different from current other places that handle 'ignore-auto-dns'
and only care about nameservers, domains, and searches.
If linklocal6_start() finds that the device already has an IPv6
link-local address and returns NM_ACT_STAGE_RETURN_FINISH, we don't
need to fill @out_config with an empty configuration. A non-NULL
@out_config is required only for ret = NM_ACT_STAGE_RETURN_SUCCESS.
Fixes: 396dc2b3b4
The localization headers are now included via "nm-default.h".
Also fixes several places, where we wrongly included <glib/gi18n-lib.h>
instead of <glib/gi18n.h>. For example under "clients/" directory.
This internal header file should be included by our internal source
code files and header files. It includes in one place other headers
that constitute to a minimal set of required headers. Most notably
this is <glib.h> and our "nm-glib.h" header.
Note that public header files and example source code cannot include
this file as "nm-default.h" is internal only.
The MTU of 0 means default, not zero-length packets:
<warn> (wlp3s0): Lowering IPv6 MTU (1472) to match device MTU (0)
<warn> (wlp3s0): IPv6 MTU (0) smaller than 1280, adjusting
<warn> (wlp3s0): Raising device MTU (0) to match IPv6 MTU (1280)
<error> [1437068831.306733] [platform/nm-linux-platform.c:2440] sysctl_set(): platform-linux: sysctl: failed to set '/proc/sys/net/ipv6/conf/wlp3s0/mtu' to '1472': (22) Invalid argument
Reported-by: Jan Alexander Steffens <jan.steffens@gmail.com>
https://bugzilla.gnome.org/show_bug.cgi?id=752508
Future patches will create devices long before they are backed by
kernel resources, so we need to split NMDevice object creation from
actual setup based on the backing resources.
This patch combines the NMDeviceFactory's new_link() and
create_virtual_device_for_connection() class methods into a single
create_device() method that simply creates an unrealized NMDevice
object; this method is not expected to fail unless the device is
supposed to be ignored. This also means that the NMDevice
'platform-device' property is removed, because a platform link
object may not be available at NMDevice object creation time.
After the device is created, it is then "realized" at some later
time from a platform link (for existing/hardware devices via the
realize() method) or from an NMConnection (for newly created software
devices via the create_and_realize() NMDeviceClass methods).
https://bugzilla.gnome.org/show_bug.cgi?id=737458
Create a GDBusProxy for the service to be monitored and use that to
tell whether it is running, rather than using NMDBusManager and the
global NameOwnerChanged signal.
In the gdbus port, the :options properties will be GVariant-valued
(and thus immutable), so having APIs that let you repeatedly modify
them would make things complicated. Since we actually only ever set
all the options at once, just change the APIs to do that, rather than
setting the options one-by-one.
Since nm-dispatcher already works in terms of GVariant, it makes
things simpler there if NMDhcp[46]Config can return its options as a
GVariant. And since we'll need it to be a GVariant internally later
anyway, just port everything to GVariant now, and convert it to a
GHashTable for dbus-glib only in get_property().
Move D-Bus export/unexport handling into NMExportedObject and remove
type-specific export/get_path methods (export paths are now specified
at the class level, and NMExportedObject handles the counters for all
exported types automatically).
Since all exportable objects now use the same get_path() method, we
can also add some helper methods to simplify get_property()
implementations for object-path and object-path-array properties.
Add NMExportedObject, make it the base class of all D-Bus-exported
types, and move the nm-properties-changed-signal logic into it. (Also,
make NMSettings use the same properties-changed code as everything
else, which it was not previously doing, presumably for historical
reasons).
(This is mostly just shuffling code around at this point, but
NMExportedObject will be more important in the gdbus port, since
gdbus-codegen doesn't do a very good job of supporting objects that
export multiple interfaces [as each NMDevice subclass does, for
example], so we will need more glue/helper code in NMExportedObject
then.)
Rather than randomly including one or more of <glib.h>,
<glib-object.h>, and <gio/gio.h> everywhere (and forgetting to include
"nm-glib-compat.h" most of the time), rename nm-glib-compat.h to
nm-glib.h, include <gio/gio.h> from there, and then change all .c
files in NM to include "nm-glib.h" rather than including the glib
headers directly.
(Public headers files still have to include the real glib headers,
since nm-glib.h isn't installed...)
Also, remove glib includes from header files that are already
including a base object header file (which must itself already include
the glib headers).
Add a file containing the defines like DBUS_INTERFACE_DBUS from
dbus-shared.h, and use it from the gdbus-using files.
Also, convert a bunch of other places that were previously hardcoding
the string values to use the defines instead, and fix the ifcfg-rh
plugin to properly namespace its own D-Bus-related defines.
Commit d51975e changed, that we treat assumed and non-assumed
connections the same with respect to the default route. This is
certainly wrong, if we have an nm-generated-assumed connection
at hand. In this case, NM just generated a connection based on what
was configured on the system. Looking at that result and re-enforcing
the default-route is wrong.
We want to manage the default-route for assumed, persistent connections.
If the connection was assumed and generated, we do not.
This commit reverts d51975ed for nm-generated-assumed connection and
restores the previous behavior.
https://bugzilla.redhat.com/show_bug.cgi?id=1244483
Fixes: d51975ed92
Rename "default_route.v4_configure_first_time" to "v4_commit_first_time".
For one, the name "commit" matches better to the @commit variable in ip4_config_merge_and_apply()
and ip6_config_merge_and_apply(). Then, we don't need this information
only for default-routes, so move the variable out of the @default_route
struct.
This makes wifi preferred to wwan (the modem and bluetooth device types
to be specific) by default, so that users that care about being
connected at all times can keep both enabled with auto-connect. As wifi
is usually unmetered and often faster than wwan, it makes sense to
prefer it. This is also how pretty much every smart-phone in the world
behaves, so it aligns better with user expectations too.
https://bugzilla.gnome.org/show_bug.cgi?id=744754
In most cases, when syncing routes, we should only remove routes
that were configured by us previously. Otherwise, there is a race
that we can remove routes added externally.
Now, when applying IP configuration for a device, only do a full-sync
at the first time when we activate the device. Later on, only remove
routes that were added by us.
priv->iface could change in device_link_changed() which reacts on platform link
changes caused by nm_platform_link_set_user_ipv6ll_enabled(). (The variable could
change between obtaining and using its value, because emitting a glib signal runs
callbacks synchronously).
Actually, the problem is already fixed by commit 04caae735f.
But still this is better.
Related: https://bugzilla.redhat.com/show_bug.cgi?id=1224366
Internal configuration is written as keyfile to
NMSTATEDIR"/NetworkManager-intern.conf"
Basically, the content of this file is merged with user
configuration from "NetworkManager.conf" files. After loading
the configuration, NMConfig exposes a merged view of user-provided
settings and internal overwrites.
All sections/groups named [.intern*] are reserved for internal
configuration values. They can be written by API, but are ignored
when the user sets them via "NetworkManager.conf". For these
internal sections, no conflicts can arise.
We can also overwrite individual properties from user configuration.
In this case, we store the value we want to set, but also remember
the value that the user configuration had, at the time of setting.
If on a later reload the user configuration changed, we ignore our
internal value -- as we assume that the user modified the value
afterwards.
We can also hide/delete value from user configuration.
This works on a per-setting basis.
