Commit graph

57 commits

Author SHA1 Message Date
Johannes Berg
2d43d37ff2 DBus: Add ability to report probe requests
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>
2012-04-01 21:14:48 +03:00
Mukesh Agrawal
c6e86b63d2 Create DBus getter/setter for ScanInterval
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>
2012-04-01 18:05:22 +03:00
Nirav Shah
024d018b55 Clean up: Replace standard lib methods with os.h ones
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>
2012-03-31 21:13:53 +03:00
Jayant Sane
96c4f3a707 dbus: utility to create dbus message from wpabuf array
If a wpabuf array is used to store basic typed data that we would like
to send over D-Bus then this utility will be of help when it places the
data in a variant with format aa? (array of an array of type ?, with ?
indicating any basic type).

Signed-hostap: Jayant Sane <jayant.sane@intel.com>
Signed-hostap: Angie Chinchilla <angie.v.chinchilla@intel.com>
intended-for: hostap-1
2012-02-25 10:45:17 +02:00
Dmitry Shmidt
df509539d4 Let wpa_supplicant_deinit_iface() know that process is terminating
This will be needed to be able to move ctrl_iface TERMINATING event to
the end of interface removal.

Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
2012-01-29 20:15:48 +02:00
Sylvestre Gallon
3d0a843823 dbus: Fix endianness bug in Frequency and Signal properties
These properties did not work on big endian PowerPC (always 100% for
Signal and 0 for Frequency) due to endianness problem (u32 to u16 data
loss).

Signed-off-by: Sylvestre Gallon <ccna.syl@gmail.com>
2012-01-28 17:57:48 +02:00
Paul Stewart
a4bbb6066d dbus: Create DBus getter/setter for FastReauth
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>
2012-01-28 11:21:37 +02:00
Sam Leffler
f9121813d7 dbus: Validate SSID length in new D-Bus scan request
Validate the length of each SSID passed in a new D-Bus protocol
Scan request.
2012-01-22 12:02:09 +02:00
Jouni Malinen
a17539ebcd Remove unnecessary include file inclusion
Signed-hostap: Jouni Malinen <j@w1.fi>
2011-11-13 22:13:04 +02:00
Jouni Malinen
c660b0c257 dbus: Remove unused default string for bridge_ifname
wpa_s->bridge_ifname is an array and cannot be NULL.

Signed-hostap: Jouni Malinen <j@w1.fi>
2011-11-13 20:54:44 +02:00
Dan Williams
e9c3c1afed Implement control request replies for the D-Bus interface
Add a D-Bus mechanism for clients to respond to the NetworkRequest
signal.

Signed-off-by: Dan Williams <dcbw@redhat.com>
2011-10-30 12:04:24 +02:00
Mohamed Abbas
0098ce6d29 dbus: Export max scan ssids supported by driver
This is needed for network managers that want to know how
many SSIDs they can scan at the same time.
2011-10-02 13:27:09 +03:00
Dan Williams
6aeeb6fa21 dbus: clean up new D-Bus interface getters and setters
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>
2011-07-29 21:25:39 +03:00
Jayant Sane
2855070673 P2P: More complete persistent group management over D-Bus
Extend commit c2762e410f to allow
applications to manage (add/remove) persistent groups and accepted
network object paths while invoking a persistent group.
2011-06-24 11:20:19 +03:00
Jayant Sane
c2762e410f P2P: Update D-Bus network object semantics during group formation
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>
2011-06-23 21:25:13 +03:00
Jayant Sane
c988980d95 P2P: Enable P2P capability advertisement on D-Bus
Append "P2P" to capability information if supported by device.

Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: Jayant Sane <jayant.sane@intel.com>
2011-06-23 20:51:27 +03:00
Fabien Marotte
58f80e2aeb DBus: Move wpas_dbus_new_decompose_object_path()
Moved wpas_dbus_new_decompose_object_path from dbus_new_handlers.c
to dbus_new_helpers.c.

Signed-off-by: Fabien Marotte <fabienx.marotte@linux.intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2011-06-12 14:41:41 -07:00
Sam Leffler
9768da202b dbus: Add support to get/set the country code
Add an Interface.Country property and support to get/set the value.

Signed-off-by: Sam Leffler <sleffler@chromium.org>
2011-04-05 01:24:26 +03:00
Paul Stewart
14dc00115e dbus: Add "excessive" to debug_strings
The "debug_strings" private array in dbus_new_handles.c has fallen out
of sync with wpa_debug.h. Add the new "excessive" level to the head of
the list, realigning everything.

Signed-off-by: Paul Stewart <pstew@google.com>
2011-03-31 17:38:08 +03:00
Sam Leffler
78633c3709 wpa_supplicant: Parameterize BSS table expiration age + count
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.
2011-03-20 12:40:59 +02:00
Sam Leffler
7c49fdd0bd dbus: Add RemoveAllNetworks to the new D-Bus API
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.
2011-03-20 12:12:12 +02:00
Sam Leffler
2b65b30da8 dbus: Add D-Bus methods to flush the BSS cache
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).
2011-03-20 12:02:33 +02:00
Sam Leffler
d4c1ec56f1 dbus: Add ConfigFile to AddInterface properties
This provides feature parity with the old-style D-Bus API. Explicit
properties to control global parameters is preferred but until that
happens this allows doing things like setting pkcs11_engine_path and
pkcs11_module_path via D-Bus.
2011-03-20 11:52:57 +02:00
Catalin Drula
5b49c9d5ed dbus: Fix interface list getter with multiple interfaces
There's a bug in the getter for the 'Interfaces' property
of /fi/w1/wpa_supplicant1 (new D-Bus interface) which causes a
'Segmentation Fault' when there are multiple interfaces.
2011-03-16 12:30:09 +02:00
Paul Stewart
ba6f267f64 dbus: Add D-Bus method for current authentication mode
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>
2011-03-15 13:53:56 +02:00
Johannes Berg
d1c8ac88b9 DBus: Publish provisioned keys in network properties
When the network was provisioned, we need to get the keys to be able to
reconnect without new provisioning. To be able to publish those keys but
not normally configured ones, add a new attribute to struct wpa_ssid
indicating whether or not keys may be exported.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2011-02-02 17:00:12 +02:00
Paul Stewart
8e5f078fb9 dbus_new_handlers: Omit errant dbus_message_unref
This unref is guaranteed to be freeing a NULL pointer.

Tested manually: use dbus-send to send an invalid debug level parameter

Before change:

$ dbus-send --system --dest=fi.w1.wpa_supplicant1 --print-reply
/fi/w1/wpa_supplicant1 org.freedesktop.DBus.Properties.Set
string:fi.w1.wpa_supplicant1 string:DebugLevel variant:string:msgdumpf
Error org.freedesktop.DBus.Error.NoReply: Message did not receive a reply
(timeout by message bus)
(and then wpa_supplicant crashes)

After change:

$ dbus-send --system --dest=fi.w1.wpa_supplicant1 --print-reply
/fi/w1/wpa_supplicant1 org.freedesktop.DBus.Properties.Set
string:fi.w1.wpa_supplicant1 string:DebugLevel variant:string:msgdumpf
Error fi.w1.wpa_supplicant1.InvalidArgs: Did not receive correct message
arguments.

Signed-off-by: Paul Stewart <pstew@google.com>
2010-12-04 11:58:44 -08:00
Paul Stewart
8ee69e0633 dbus_new_handlers: Don't send NULL to dbus_message_new_error
The new DBus API helper function wpas_dbus_error_unknown_error
function can be called as a result of a failure within internal
getter calls, which will call this function with a NULL message
parameter.  However, dbus_message_new_error looks very unkindly
(i.e, abort()) on a NULL message, so in this case, we should not
call it.

I've observed this course of events during a call to
wpas_dbus_getter_bss_wpa with a faileld parse of the IE parameter.
We got here through a call to fill_dict_with_properties which
explicitly calls getters with a NULL message parameter.  Judging
from the way it is called, this could easily occur if an AP sends
out a malformed (or mis-received) probe response.  I usually run
into this problem while driving through San Francisco, so I'm
exposed to any number of base stations along this path.
2010-10-09 17:29:51 +03:00
Daniel Kurtz
556522ee09 dbus: Treat '' in SSIDs of Interface.Scan as a request for broadcast scan
This patch changes wpa_supplicant policy for handling '' in SSIDs field of
Interface.SSID DBus message. It treats '' (zero-length) SSID as a request
for a broadcast scan, instead of ignoring it.

This patch updates DBus API .Scan() logic per the test cases listed below:

1) Interface.Scan({'Type':'active', 'Channel':(2412, 20)})
   Request:     Active scan with only '' SSID (1 channel)
   Should be:   1 broadcast ProbeRequest on specified channel
   Previous:    1 broadcast ProbeRequest on specified channel
   This Patch:  1 broadcast ProbeRequest on specified channel

2) Interface.Scan({'Type':'active', 'Channel':(2412, 20), 'SSIDs':['']})
   Request:     Active scan with only '' SSID (1 channel)
   Should be:   1 broadcast ProbeRequest on specified channel
   Previous:    No ProbeRequests; passive scan results for specified channel
   This Patch:  FIXED: 1 broadcast ProbeRequest on specified channel

3) Interface.Scan({'Type':'active', 'Channel':(2412, 20), 'SSIDs':['MySSID']})
   Request:     Active scan with only non-'' SSIDs (1 channel)
   Should be:   1 directed ProbeRequest for each SSID on specified channel,
	no broadcast ProbeRequest
   Previous:    1 directed ProbeRequest for each SSID on specified channel,
	no broadcast ProbeRequest
   This Patch:  1 directed ProbeRequest for each SSID on specified channel,
	no broadcast ProbeRequest

4) Interface.Scan({'Type':'active', 'Channel':(2412, 20), 'SSIDs':['',
	'MySSID']})
   Request:     Active scan with SSIDs, including 1 '' SSID (1 channel)
   Should be:   1 broadcast ProbeRequest, 1 directed ProbeRequest for each
	non-'' SSID on specified channel
   Previous:    1 directed ProbeRequest for each non-'' SSID on specified
	channel
   This Patch:  FIXED: 1 broadcast ProbeRequest, 1 directed ProbeRequest for
	each non-'' SSID on specified channel
2010-10-09 16:27:53 +03:00
Daniel Kurtz
a7af023b84 dbus: Fix passive/active scans in some cases
Currently the DBus Interface.Scan API is counter-intuitive. It issues
ProbeRequests when doing passive scans when channels are specified, and
does not issue ProbeRequests for broadcast active scans.

This patch updates DBus API .Scan() logic per the test cases listed below:

 1) Interface.Scan({'Type':'passive'})
    Request:     Passive scan (all channels)
    Should be:   No ProbeRequests; Passive Scan results for all channels
    Previous:    1 ProbeRequest on all channels for both broadcast SSID and
	selected network (scan_ssid=1)
    This Patch:  --No change--: 1 ProbeRequest on all channels for both
	broadcast SSID and selected network (scan_ssid=1)

 2) Interface.Scan({'Type':'passive', 'Channel':(2412, 20)})
    Request:     Passive scan (1 channel)
    Should be:   No ProbeRequests; Passive Scan results for 1 channel
	(plus overlapping channels)
    Previous:    1 broadcast ProbeRequest on specified channel
    This Patch:  --Fixed--: No ProbeRequests; Passive Scan results for 1
	channel (plus overlapping channels)

 3) Interface.Scan({'Type':'active'})
    Request:     Active scan with no SSIDs (all channels)
    Should be:   1 broadcast ProbeRequest on all channels
    Previous:    No ProbeRequests;  passive scan results for all channels
    This Patch:  --Fixed--: 1 broadcast ProbeRequest on all channels

 4) Interface.Scan({'Type':'active', 'Channel':(2412, 20)})
    Request:     Active scan with no SSIDs (1 channel)
    Should be:   1 broadcast ProbeRequest on specified channel
    Previous:    No ProbeRequests; Passive scan results for specified
	channel (plus overlapping channels)
    This Patch:  --Fixed--: 1 broadcast ProbeRequest on specified channel
2010-10-09 16:22:39 +03:00
Jouni Malinen
af3e1b0ec2 dbus: Verify WPA/RSN IE parser result before returning data 2010-09-04 22:01:29 +03:00
Jouni Malinen
f9cd8587fb dbus: Deauthenticate instead of disassociate on disconnect command
This clears up authentication state in the driver and in case of
cfg80211, unlocks the BSS entry for the previously used AP. The
previous commit cf4783e35f changed
only the ctrl_iface DISCONNECT command behavior; this new commit
does the same for D-Bus commands.
2010-08-18 21:27:30 +03:00
Witold Sowa
c56ce48a6f dbus: Add new KeyMgmt interface capabilities
Add "wpa-ft-psk", "wpa-psk-sha256", "wpa-ft-eap" and "wpa-eap-sha256"
possible KeyMgmt values of interface capabilities to fit values in
BSS RSN options dictionary.
2010-04-11 21:37:28 +03:00
Dmitry Shmidt
aa53509ffe Update priority list after priority change
Despite comments in the wpa_config_update_prio_list(struct wpa_config
*config) telling that it is called "if priority for a network is
changed", it is apparently not.

Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
2010-03-06 11:13:50 +02:00
Witold Sowa
7899e2f42d dbus: Change WPA/RSNIE byte array props to dicts
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.
2010-01-16 16:37:37 +02:00
Marcel Holtmann
097c5802da dbus: Fix value of BSS Privacy property
Checking for IEEE80211_CAP_PRIVACY needs to use & and not &&.
2010-01-10 18:18:08 +02:00
Witold Sowa
75d328af50 dbus: Change BSS property MaxRate to Rates
Instead of exposing maximum BSS bit rate, expose sorted array
of all supported rates.
2010-01-04 16:52:30 +02:00
Marcel Holtmann
a2753c285f dbus: Use simple strings for debug level
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.
2010-01-04 16:22:26 +02:00
Jouni Malinen
9ba9fa07cc Move wpa_supplicant specific scan code away from src/drivers
This fits better in wpa_supplicant/scan.c. Couple of remaining
scan_helpers.c functions are currently used in driver wrappers,
but they can likely be removed in the future.
2010-01-03 18:48:11 +02:00
Jouni Malinen
3e87bd5478 dbus: Use stack for temporary object path
This is small enough buffer to not require more complex dynamic
allocation for temporary use.
2010-01-02 17:17:00 +02:00
Jouni Malinen
8f770587d9 Maintain a pointer to the current BSS table entry 2010-01-02 16:59:19 +02:00
Jouni Malinen
97d3f8c3a9 dbus: Share the same function for type to type-as-string conversion 2010-01-02 10:45:03 +02:00
Jouni Malinen
ec99cb7b00 dbus: Add debug printing on property setter type mismatches 2010-01-01 23:05:44 +02:00
Jouni Malinen
db9a76c032 dbus: Fix a typo in function name (invald -> invalid) 2010-01-01 21:52:29 +02:00
Jouni Malinen
c2b8c674cb dbus: Remove perror() calls
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.
2010-01-01 20:50:12 +02:00
Jouni Malinen
c49cf2d68f dbus: Clean up dbus_path/dbus_new_path use
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.
2010-01-01 19:12:31 +02:00
Witold Sowa
db9133acb2 dbus: Divide DebugParams property to three separate properties 2010-01-01 13:00:22 +02:00
Witold Sowa
58605c6e61 dbus: Replace BSS 'Properties' property with separate properties
In addition, remove Quality and Noise properties since the BSS table
is not the correct place for fetching per-channel information (Noise)
and Quality is not well-defined (nor available from many drivers).
2010-01-01 12:28:24 +02:00
Witold Sowa
fcea0b7d1d dbus: Add generic properties getter and setter 2010-01-01 11:56:56 +02:00
Jouni Malinen
ccd286d025 dbus: Use the new BSS table with the new D-Bus API
Replace the scan results -based implementation with the use of information
from the new BSS table maintained by wpa_supplicant to get a more stable
source of BSS data. Change the use of BSSID as the key for the BSS object
to use the BSS table unique identifier so that multi-SSID APs can be
handled properly.
2009-12-28 01:10:07 +02:00