Commit 21efc940f6 ('wpa_supplicant: Do not
register a P2P management interface on DBus') hides the special P2P
management interface from D-Bus. However, it did not take into account
the possibility of wpa_s->dbus_path and wpa_s->dbus_new_path being NULL
in such cases on number of code paths within the D-Bus handlers. This
could result in invalid arguments (NULL path) being provided to D-Bus
functions (mainly, dbus_message_iter_append_basic) and NULL pointer
dereference when iterating over all interfaces. Either of these could
make wpa_supplicant process terminate.
Fix this by explicitly checking that the interface-specific D-Bus path
has been registered before using it anywhere with D-Bus handlers. In
addition, find the correct wpa_s instance to fix P2P operations through
D-Bus when the P2P Device interface is used.
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
A new "CTRL-EVENT-EAP-PEER-ALT depth=<i> <alt name>" event is now used
to provide information about server certificate chain alternative
subject names for upper layers, e.g., to make it easier to configure
constraints on the server certificate. For example:
CTRL-EVENT-EAP-PEER-ALT depth=0 DNS:server.example.com
Currently, this includes DNS, EMAIL, and URI components from the
certificates. Similar information is priovided to D-Bus Certification
signal in the new altsubject argument which is a string array of these
items.
Signed-off-by: Jouni Malinen <j@w1.fi>
It is possible for this function to get called even if D-Bus
registration had failed, so the path can be NULL here.
Signed-off-by: Jouni Malinen <j@w1.fi>
There is no need to have multiple separate return statements for error
cases in a sequence of operations. In addition, there is not much point
in "converting" boolean return values with "if (!res) return FALSE;
return TRUE;" style constructions.
Signed-off-by: Jouni Malinen <j@w1.fi>
The logic in wpas_dbus_signal_p2p_provision_discovery() seemed to imply
that there could be a case where _signal would be used uninitized. While
that is not the case since either (request || !status) or (!request &&
status) would always be true, some compilers do not seem to be clever
enough to figure that out to avoid the warning. Make this easier for
such compilers by removing the (!request && status) condition since it
is identical to !(request || !status).
Signed-off-by: Jouni Malinen <j@w1.fi>
In case of a P2P management device being present, it will be up to that
interface to handle P2P requests.
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
This permits to set or unset the WiFi Display subelements from DBus, by
providing the full WFD specific IE frame.
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
"Age" is the age in seconds since the BSS was last seen, and is
emitted as a PropertyChanged signal whenever the BSS is updated
from a scan result. It also returns the correct age when queried
directly.
This property can be used to resolve issues where, if no other
properties of the BSS changed from scan results (for example,
if the BSS always had 100% signal) no D-Bus signals would be
emitted to indicate that the BSS had just been seen in the scan.
Signed-hostap: Dan Williams <dcbw@redhat.com>
First for better concistancy but also to tell about the group_object
that is getting removed, thus the client will know about it and will be
able to act accordingly.
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
GroupMember is unusable in itself and all the necessary informations are
stored in Peer objects, thus replace the use of GroupMember by Peer.
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
If only the Peer is part of one or more group, this property will tell
those via listing their object paths.
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
The group object is already registered on DBus at that point, thus wpa_s
structure holds its path already.
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
These signals delivers an array of key/value pairs, thus declaring those
as it should.
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
Now that WPS 2.0 support is enabled unconditionally, WEP and Shared auth
type are not allowed. This made some of the older code unused and that
can now be removed to clean up the implementation. There is still one
place where WEP is allowed for testing purposes: wpa_supplicant as
Registrar trying to configure an AP to use WEP. That is now only allowed
in CONFIG_TESTING_OPTIONS=y builds, though.
Signed-off-by: Jouni Malinen <j@w1.fi>
It does return something: the reference of the request, as an integer,
which can be used then with ServiceDiscoveryCancelRequest to get
canceled.
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
Add "reattach" command to perform single-channel single-ssid scan
instead of full scan when trying to reconnect to the currently
"connected" network (assuming old scan results are not current enough to
skip the scan completely). This allows the scan result to come back in
much faster time. In ath9k, the scan took around 12 seconds with full
background scan, and only 0.1 second with the single-channel single-ssid
scan. Thus, take much less time for the client to re-establish
connection with the currently "connected" network.
Signed-hostap: Peter Qiu <zqiu@chromium.org>
Add DBus methods for TDLS operations similar to those available
for the control interface. This includes Discover, Setup, and
Teardown commands. While here, add a method to query the TDLS
link status and add a DBus method for it.
Tested with CONFIG_TDLS enabled, on a TDLS-enabled host and
peer capable of TDLS:
dbus-send --system --dest=fi.w1.wpa_supplicant1 --print-reply \
/fi/w1/wpa_supplicant1/Interfaces/0 \
fi.w1.wpa_supplicant1.Interface.TDLSStatus string:<peer-mac-address>
yields: string "peer does not exist"
dbus-send --system --dest=fi.w1.wpa_supplicant1 --print-reply \
/fi/w1/wpa_supplicant1/Interfaces/0 \
fi.w1.wpa_supplicant1.Interface.TDLSDiscover string:<peer-mac-address>
yields no error
dbus-send --system --dest=fi.w1.wpa_supplicant1 --print-reply \
/fi/w1/wpa_supplicant1/Interfaces/0 \
fi.w1.wpa_supplicant1.Interface.TDLSSetup string:<peer-mac-address>
yields no error
dbus-send --system --dest=fi.w1.wpa_supplicant1 --print-reply \
/fi/w1/wpa_supplicant1/Interfaces/0 \
fi.w1.wpa_supplicant1.Interface.TDLSStatus string:<peer-mac-address>
yields: string "connected" after TDLS completes
dbus-send --system --dest=fi.w1.wpa_supplicant1 --print-reply \
/fi/w1/wpa_supplicant1/Interfaces/0 \
fi.w1.wpa_supplicant1.Interface.TDLSTeardown string:<peer-mac-address>
yields no error
dbus-send --system --dest=fi.w1.wpa_supplicant1 --print-reply \
/fi/w1/wpa_supplicant1/Interfaces/0 \
fi.w1.wpa_supplicant1.Interface.TDLSStatus string:<peer-mac-address>
yields: string "peer not connected"
Signed-hostap: Paul Stewart <pstew@chromium.org>
wpa_printf() does not need '\n' so remove the extra newline. In
addition, drop the priority of this message from MSG_INFO to MSG_DEBUG
since this is in no way exceptional operation.
Signed-hostap: Jouni Malinen <j@w1.fi>
Add "StaAuthorized" and "StaDeauthorized" D-Bus interface in AP mode.
After enabling the AP mode of wpa_supplicant, the other process need to
get the MAC address and authorization status of every station, so
wpa_supplicant emits signal when the station is authorized or
deauthorized.
Signed-hostap: Chengyi Zhao <chengyix.zhao@gmail.com>
Add "EAPLogoff" and "EAPLogon" interface DBus commands which
parallel the "logoff" and "logon" wpa_ctrl commands which terminate
and restart EAP authentication. Slightly enhance the "logon" case
by expiring any running "startWhile" timer.
Signed-hostap: Paul Stewart <pstew@chromium.org>
Commit caff399250 added a property named
"WPS" to the dbus interface. It did not add the new
WPAS_DBUS_BSS_PROP_WPS property to the function responsible for marking
changed properties though. This cause the following messages to be
printed repeatedly to syslog:
dbus: wpas_dbus_bss_signal_prop_changed: Unknown Property value 7
Signed-hostap: Peter Wu <lekensteyn@gmail.com>
Otherwise it's difficult to determine if the supplicant was built with
CONFIG_AP, CONFIG_IBSS_RSN, CONFIG_P2P, etc. CONFIG_AP and CONFIG_P2P
can be inferred from the introspection data of the Interface object,
but CONFIG_IBSS_RSN does not change the introspection data at all and
thus it's impossible to determine whether the supplicant supports it
without knowing its compile-time options.
Signed-hostap: Dan Williams <dcbw@redhat.com>
intended-for: hostap-1
The network_object path should be returned by the NetworkAdded signal
and not by the GroupStarted Signal. Starting a Group does not
necessarily validate the network object.
Signed-hostap: Michael Naumov <michael.naumov@intel.com>
Signed-hostap: Nirav Shah <nirav.j2.shah@intel.com>
intended-for: hostap-1
This updates these files to use the license notification that uses only
the BSD license. The changes were acknowledged by email (Dan Williams
<dcbw@redhat.com>, Sun, 01 Jul 2012 15:53:36 -0500).
Signed-hostap: Jouni Malinen <j@w1.fi>
In the properties changed signal, added a new property
"DisconnectReason", which carries the IEEE 802.11 reason code of the
most recent disassociation or deauthentication event. The reason code is
negative if it is locally generated. The property is sent to the DBUS
immediately so as to prevent it from being coalesced with other
disconnect events.
Signed-off-by: Gary Morain <gmorain@chromium.org>
Send an "EAP" signal via the new DBus interface under various
conditions during EAP authentication:
- During method selection (ACK and NAK)
- During certificate verification
- While sending and receiving TLS alert messages
- EAP success and failure messages
This provides DBus callers a number of new tools:
- The ability to probe an AP for available EAP methods
(given an identity).
- The ability to identify why the remote certificate was
not verified.
- The ability to identify why the remote peer refused
a TLS connection.
Signed-hostap: Paul Stewart <pstew@chromium.org>
This patch cleans up the P2PDevice D-Bus interface for the hostap-1
release. A spelling error is corrected and P2PDeviceProperties is
renamed to clarify that this data is configuration data and not the
total collection of Properties for the P2PDevice interface.
Signed-hostap: Nirav Shah <nirav.j2.shah@intel.com>
Signed-hostap: Angie Chinchilla <angie.v.chinchilla@intel.com>
intended-for: hostap-1
Some applications require knowing about probe requests to identify
devices. This can be the case in AP mode to see the devices before they
connect, or even in P2P mode when operating as a P2P device to identify
non-P2P peers (P2P peers are identified via PeerFound signals).
As there are typically a lot of probe requests, require that an
interested application subscribes to this signal so the bus isn't always
flooded with these notifications. The notifications in DBus are then
unicast only to that application.
A small test script is also included.
Signed-hostap: Johannes Berg <johannes.berg@intel.com>
Enable control of wpa_s->scan_interval via D-Bus. This parameter
controls the delay between successive scans for a suitable AP.
Also, update dbus.doxygen with ScanInterval, and some other
parameters that were undocumented.
Signed-hostap: Mukesh Agrawal <quiche@chromium.org>
Some of the standard lib functions being used directly are redefined in
src/utils/os.h thus providing an abstraction. Change code to use os_*
functions instead of directly using the lib functions.
Signed-hostap: Nirav Shah <nirav.j2.shah@intel.com>
Signed-hostap: Angie Chinchilla <angie.v.chinchilla@intel.com>
Group properties are now accessible individually. The function to retrieve
the dictionary containing the group properties is removed in favor of the
individual functions. The group member properties are removed as well as
they erroneously retrieved the group properties via the old function.
Signed-hostap: Todd Previte <toddx.a.previte@intel.com>
Signed-hostap: Angie Chinchilla <angie.v.chinchilla@intel.com>
intended-for: hostap-1
Commit 3f6e50ac28 made it possible to access
P2P peer properties using the org.freedesktop.DBus.Properties interface.
While maintaining the original intent of that patch we make two changes
to it here:
First, 3f6e50ac28 changed the type used to
represent the WPS vendor extension data from bytes to a string. In
addition to the type change the way in which the vendor extension data
was provided to the function creating the string was incorrect and would
not present the correct vendor extension data even in string format.
Revert the type change made in 3f6e50ac28
and present the WPS vendor extension data as an array of an array of
bytes as it was before.
Second, 3f6e50ac28 changes the secondary
device types representation from an array of an array of bytes to an
array of bytes. Revert that change to make secondary device types
accessible via an array of an array of bytes again.
Signed-hostap: Reinette Chatre <reinette.chatre@intel.com>
intended-for: hostap-1
Since there is the method org.freedesktop.DBus.Properties.GetAll that
returns all properties from a specific interface, it makes more sense to
separate the properties to make it possible to get only a single
property using the method org.freedesktop.DBus.Properties.Get as well.
Signed-hostap: Flávio Ceolin <flavio.ceolin@profusion.mobi>
Provide a means over DBus to set the conf->fast_reauth
property, which controls whether TLS session resumption
should be attempted for EAP-TLS 802.1X networks.
Signed-off-by: Paul Stewart <pstew@chromium.org>
p2p_get_peer_info() was used in multiple places just to check whether a
specific peer is known. This was not the designed use for the function,
so introduce a simpler function for that purpose to make it obvious that
the p2p_get_peer_info() function is actually used only in ctrl_iface.c.
Signed-hostap: Jouni Malinen <j@w1.fi>
The GO negotiation response is very cryptic at the moment. For a success
message we only know on which interface the negotiation succeeded, not
which peer. For a failure we know the interface also and a status code
(number).
It will be very useful for clients to know upon receipt of such a message
which peer the negotiation occurred with.
Now that the peer information is available and the API is changed
already, the function composing the D-Bus message might as well include
all GO negotiation information. This is done with a dict to make things
easier on clients if this result information changes down the line.
Signed-hostap: Reinette Chatre <reinette.chatre@intel.com>
Signed-hostap: Johannes Berg <johannes.berg@intel.com>
Add a D-Bus signal for EAP SM requests. This signal is emitted on the
Interface object so that clients only have to listen to one object for
requests rather than to all network objects. This signal is analogous
to the socket control interface's CTRL-REQ- request.
Signed-off-by: Dan Williams <dcbw@redhat.com>
wpa_supplicant dbus objects are currently difficult to use with
GDBusProxy. This is because they do not follow the dbus standard in
emitting the PropertiesChanged signal on the standard D-Bus properties
interface, so GDBusProxy stores stale property values.
Fix this by raising PropertiesChanged on the standard interface.
For backwards compatibility, the existing custom PropertiesChanged
signals are not removed; I anticipate them being removed in a future
major release.
See
http://lists.freedesktop.org/archives/dbus/2011-August/014593.html
for more info.
Signed-off-by: Daniel Drake <dsd@laptop.org>
wpa_supplicant returns the PIN in reply to the connect method. Treating
this value as an integer runs the risk of not returning the correct
value if the first digit(s) happens to be a zero(es). To return the
correct PIN it needs to be returned as a string.
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: Angie Chinchilla <angie.v.chinchilla@intel.com>
The read, write, read-write permissions can be figured out from
getter/setter function pointers, so there is no need for maintaining
that information separately.
A number of fixes/improvements here:
1) Remove casting of getter/setter function types which allows
us to change the prototypes in the future and not have hard-to-find
runtime segfaults
2) Instead of having the getters create a fake reply message which
then gets its arguments copied into the real reply message, and is
then disposed, just pass message iters around and have them add
their arguments to the message itself
3) For setters, just pass in the message iter positioned at the
start of the argument list, instead of each setter having to skip
over the standard interface+property name
4) Convert error handling to use DBusError and return the error
back down through the call stacks to the function that will
actually send the error back to the caller, instead of having a
fake DBusMessage of type DBUS_MESSAGE_TYPE_ERROR that then
needs to have the error extracted from it.
But most of all, this fixes various segfaults (like rh #725517
and #678625) which were caused by some functions deep down in the
getter callpaths wanting a source DBusMessage* when the getters were
used for two things: signals (which don't have a source DBusMessage)
and methods (which will have a source DBusMessage that's being
replied to). This duality made the code fragile when handling
errors like invalid IEs over the air.
Signed-off-by: Dan Williams <dcbw@redhat.com>
In general, this patch attemps to extend commit
00468b4650 with dbus support.
This can be used by dbus client to implement subject match text
entry with preset value probed from server. This preset value, if
user accepts it, is remembered and passed to subject_match config
for any future authentication.
Signed-off-by: Michael Chang <mchang@novell.com>
Signal is triggered if an error occurs during WPS provisioning phase.
Signed-off-by: Jean-Michel.Bachot <jean-michelx.bachot@intel.com>
Signed-off-by: Jayant Sane <jayant.sane@intel.com>
Extend commit c2762e410f to allow
applications to manage (add/remove) persistent groups and accepted
network object paths while invoking a persistent group.
Do not emit network objects during P2P group formation since such
network objects can confuse certain apps. Instead, a persistent group
object is created to allow apps to keep track of persistent groups.
Persistent group objects only represent the info needed to recreate the
group.
Also fixes a minor bug in the handling of persistent group objects
during WPS operations.
Signed-off-by: Jayant Sane <jayant.sane@intel.com>
Replace compile-time BSS cache expiration age and scan count by config
parameters that can be set via wpa_cli and the new D-Bus API. The latter
is done with interface properties BSSExpireAge and BSSExpireCount.
This adds a new command to the interface to remove all configured
netblocks. Without this it's necessary to query properties on the
interface and explicitly remove each netblock.
Add an "Interface.FlushBSS" method to the new D-Bus API and a "flush"
method to the old API. Both take an age parameter that is a threshold
(in seconds) for selecting entries to evict. Setting this parameter
to zero flushes all entries from the cache.
This mechanism is useful for a connection manager to clear state at
startup and on resume (where the age parameter may be used to hold
onto recent/valid data).
Chooses between EAP and non-EAP authentication modes and
uses the appropriate method to retrieve the name.
Signed-off-by: Paul Stewart <pstew@google.com>
This avoids an invalid D-Bus call during interface initialization.
The wpa_state change can happen before the D-Bus interface is set up,
so we must be preparted to handle this early event signal. In theory,
it should be possible to reorder initialization code to make sure
D-Bus signals are ready, but that would likely require quite a bit of
code restructuring, so it looks like a safer option for now is to just
skip the early event.
Expose RSN and WPA properties for BSS objects containing information
about key management and cipher suites. Get rid of WPA/RSN/WPSIE
byte array properties and add IEs byte array property with all IE data
instead.
There was an extra semicolon that broke the calculation of registered
properties and resulted in obj_desc->prop_changed_flags not being
allocated long enough for all the flags.
Instead of sending PropertiesChanged signals for each changed
property separately, mark properties as changed and send aggregated
PropertiesChanged signals for each interface in each object.
Aggregated PropertiesChanged signal is sent
- for all object after responding on DBus call
- for specified object after manual call to
wpa_dbus_flush_object_changed_properties() function
- for each object separately after short timeout (currently 5 ms)
which starts when first property in object is marked changed
The actual supplicant state is exposed via a property on the interface
object. So having a separate signal StateChanged for notifying about
changes is a bad idea. The standard PropertiesChanged signal should be
used for this.
The advantage of StateChanged signal was that it includes the previous
state, but not even NetworkManager is making use of this. And tracking
the old state via the property and this signal is easily possible anyway.
Instead of using some magic integer values that really only mean
something to WPA internal code, just use simple strings. Possible
values are "msgdump", "debug", "info", "warning" and "error" which
map directly to WPA debugging support.
There is no need to duplicate the method/signal/property arrays that
were registered for objects. The registration was using static arrays
on methods/signals/properties in all places and we can as well use
those throughout without having to allocate memory and copy all the
entries for every object. This reduces number of allocations and
amount of unnecessary code quite a bit.
The perror() calls do not make much sense with libdbus functions and
wpa_printf() would really be used for all error printing anyway. In
addition, many of the error messages on out-of-memory cases are not
really of much use, so they were removed. This is also cleaning up
some of the error path handling to avoid duplicated code.
These cannot be NULL, so there is no point in checking for that. In
addition, the accessor function for this is just making the code harder
to understand.
This callback structure was specific to the new D-Bus API which makes
it more or less pointless. It is just simpler to call the notification
functions directly. More proper design could be to use a generic
mechanism for registering notification callbacks into notify.c, but
that is not yet available and should not be designed just based on a
single user.
