Commit graph

503 commits

Author SHA1 Message Date
Jouni Malinen ffff7f7095 OWE: Mark connection failed in the unlikely no-bss-entry case
If no BSS entry can be found when processing association rejected event
from the driver for the special OWE case of unsupported
finite-cyclic-group, process the event as a connection failure instead
of just skipping the the OWE retry with another DH group.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2018-05-16 19:01:23 +03:00
Jouni Malinen 0cc41ee635 Move wpa_supplicant_event() EVENT_ASSOC_REJECT handling into a function
This cleans up the implementation a bit by making this functionality
easier to understand.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2018-05-16 18:52:17 +03:00
Srinivas Dasari 16d5c9637c OWE: Get the bss from bssid of assoc_reject to try for next group
On an assoc_reject from the BSS with the status=77, a connection attempt
with the next supported group happens. The BSS considered here is from
current_bss which may be NULL at this point of time with SME-in-driver
case. Address this by getting the BSS from the bssid obtained in
association reject indication and skip the step if no BSS entry can be
found.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2018-05-16 01:16:54 +03:00
Srinivas Dasari d109aa6cac SAE: Flush PMKSA if an assoc reject without timeout is received
Flush the PMKSA upon receiving association reject event without timeout
in the event data in SME-in-driver case to avoid trying to use the old
PMKSA entry in subsequent connection attempts. Do not flush PMKSA if
association reject is received with timeout as it is generated
internally from the driver without reaching the AP. This is similar to
the SME-in-wpa_supplicant case that was already addressed within
sme_event_assoc_reject().

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2018-05-16 01:16:54 +03:00
Bhagavathi Perumal S d57e06170b wpa_supplicant: Make channel switch event available for non-AP builds
This allows user to get channel switch indication in station mode even
if wpa_supplicant is built without CONFIG_AP=y.

Signed-off-by: Bhagavathi Perumal S <bperumal@codeaurora.org>
2018-05-04 20:31:23 +03:00
Bhagavathi Perumal S d7f038ded2 wpa_supplicant: Add ieee80211ac information in STATUS
This allows user to get current operating mode of station.

Signed-off-by: Bhagavathi Perumal S <bperumal@codeaurora.org>
2018-05-04 20:18:55 +03:00
Dmitry Lebed 37547ad63c wpa_supplicant: Increase authentication timeout if CAC is started
Timeout is increased by dfs_cac_ms from channel data, or by max CAC time
(10 minutes) if dfs_cac_ms is not defined. This is needed for some more
complex cases, e.g., when STA is acting as an active slave with DFS
offload enabled and decided to start CAC after receiving CONNECT
command, in such a case the 10 second timeout is too small and
wpa_supplicant need to wait for CAC completion or CAC timeout (up to 10
minutes).

Without such timeout modification wpa_supplicant will be unable to
connect to an AP on DFS channel, since the default authentication
timeout (10 s) is smaller than the minimum CAC time (60 s).

Tested with nl80211 DFS offload implementation.

Signed-off-by: Dmitry Lebed <dlebed@quantenna.com>
2018-04-15 22:20:49 +03:00
Dmitry Lebed 2dd5fbbff8 wpa_supplicant: Rename wpas_event_*() to wpas_ap_event_*()
Rename DFS event handling functions, since they are located in ap.c and
refer to AP-mode only. Needed to add some STA-mode DFS event handling.

Signed-off-by: Dmitry Lebed <dlebed@quantenna.com>
2018-04-15 22:07:09 +03:00
Jouni Malinen 852b2f2738 SAE: Only allow SAE AKMP for PMKSA caching attempts
Explicitly check the PMKSA cache entry to have matching SAE AKMP for the
case where determining whether to use PMKSA caching instead of new SAE
authentication. Previously, only the network context was checked, but a
single network configuration profile could be used with both WPA2-PSK
and SAE, so should check the AKMP as well.

Signed-off-by: Jouni Malinen <j@w1.fi>
2018-04-09 19:34:44 +03:00
Beniamino Galvani 77a020a118 wpa_supplicant: Fix auth failure when the MAC is updated externally
When connecting to a WPA-EAP network and the MAC address is changed
just before the association (for example by NetworkManager, which sets
a random MAC during scans), the authentication sometimes fails in the
following way ('####' logs added by me):

wpa_supplicant logs:
 wlan0: WPA: RX message 1 of 4-Way Handshake from 02:00:00:00:01:00 (ver=1)
 RSN: msg 1/4 key data - hexdump(len=22): dd 14 00 0f ac 04 d8 21 9d a5 73 98 88 26 ef 03 d2 ce f7 04 7d 23
 WPA: PMKID in EAPOL-Key - hexdump(len=22): dd 14 00 0f ac 04 d8 21 9d a5 73 98 88 26 ef 03 d2 ce f7 04 7d 23
 RSN: PMKID from Authenticator - hexdump(len=16): d8 21 9d a5 73 98 88 26 ef 03 d2 ce f7 04 7d 23
 wlan0: RSN: no matching PMKID found
 EAPOL: Successfully fetched key (len=32)
 WPA: PMK from EAPOL state machines - hexdump(len=32): [REMOVED]
 #### WPA: rsn_pmkid():
 #### WPA: aa              - hexdump(len=6): 02 00 00 00 01 00
 #### WPA: spa             - hexdump(len=6): 66 20 cf ab 8c dc
 #### WPA: PMK             - hexdump(len=32): b5 24 76 4f 6f 50 8c f6 a1 2e 24 b8 07 4e 9a 13 1b 94 c4 a8 1f 7e 22 d6 ed fc 7d 43 c7 77 b6 f7
 #### WPA: computed PMKID  - hexdump(len=16): ea 73 67 b1 8e 5f 18 43 58 24 e8 1c 47 23 87 71
 RSN: Replace PMKSA entry for the current AP and any PMKSA cache entry that was based on the old PMK
 nl80211: Delete PMKID for 02:00:00:00:01:00
 wlan0: RSN: PMKSA cache entry free_cb: 02:00:00:00:01:00 reason=1
 RSN: Added PMKSA cache entry for 02:00:00:00:01:00 network_ctx=0x5630bf85a270
 nl80211: Add PMKID for 02:00:00:00:01:00
 wlan0: RSN: PMKID mismatch - authentication server may have derived different MSK?!

hostapd logs:
 WPA: PMK from EAPOL state machine (MSK len=64 PMK len=32)
 WPA: 02:00:00:00:00:00 WPA_PTK entering state PTKSTART
 wlan1: STA 02:00:00:00:00:00 WPA: sending 1/4 msg of 4-Way Handshake
 #### WPA: rsn_pmkid():
 #### WPA: aa              - hexdump(len=6): 02 00 00 00 01 00
 #### WPA: spa             - hexdump(len=6): 02 00 00 00 00 00
 #### WPA: PMK             - hexdump(len=32): b5 24 76 4f 6f 50 8c f6 a1 2e 24 b8 07 4e 9a 13 1b 94 c4 a8 1f 7e 22 d6 ed fc 7d 43 c7 77 b6 f7
 #### WPA: computed PMKID  - hexdump(len=16): d8 21 9d a5 73 98 88 26 ef 03 d2 ce f7 04 7d 23
 WPA: Send EAPOL(version=1 secure=0 mic=0 ack=1 install=0 pairwise=1 kde_len=22 keyidx=0 encr=0)

That's because wpa_supplicant computed the PMKID using the wrong (old)
MAC address used during the scan. wpa_supplicant updates own_addr when
the interface goes up, as the MAC can only change while the interface
is down. However, drivers don't report all interface state changes:
for example the nl80211 driver may ignore a down-up cycle if the down
message is processed later, when the interface is already up. In such
cases, wpa_supplicant (and in particular, the EAP state machine) would
continue to use the old MAC.

Add a new driver event that notifies of MAC address changes while the
interface is active.

Signed-off-by: Beniamino Galvani <bgalvani@redhat.com>
2018-03-30 12:16:42 +03:00
Jouni Malinen 64624f31cf OWE: Fix CONFIG_OWE=y build without CONFIG_IEEE80211R=y
Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2018-03-26 12:34:36 +03:00
Tamizh chelvam ec2b5173ce Make STA opmode change event available to upper layers
Add an event callback for EVENT_STATION_OPMODE_CHANGED to allow
user/application to get the notification whenever there is a change in a
station's HT/VHT op mode.

The new events:
STA-OPMODE-MAX-BW-CHANGED <addr> <20(no-HT)|20|40|80|80+80|160>
STA-OPMODE-SMPS-MODE-CHANGED <addr> <automatic|off|dynamic|static>
STA-OPMODE-N_SS-CHANGED <addr> <N_SS>

Signed-off-by: Tamizh chelvam <tamizhr@codeaurora.org>
2018-03-19 20:07:22 +02:00
Avraham Stern b8e88d357a wpa_supplicant: Handle port authorized event
When the driver indicates that the connection is authorized (i.e., the
4-way handshake was completed by the driver), cancel the EAP
authentication timeout and set the EAP state machine to success state.

Signed-off-by: Avraham Stern <avraham.stern@intel.com>
2018-02-17 18:45:26 +02:00
Sunil Dutt 5ff39c1380 SAE: Support external authentication offload for driver-SME cases
Extend the SME functionality to support the external authentication.
External authentication may be used by the drivers that do not define
separate commands for authentication and association
(~WPA_DRIVER_FLAGS_SME) but rely on wpa_supplicant's SME for the
authentication.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2018-02-02 21:17:55 +02:00
Jouni Malinen c1790a5ff8 OWE: Allow station in transition mode to connect to an open BSS
If the OWE network profile matches an open network which does not
advertise OWE BSS, allow open connection. The new owe_only=1 network
profile parameter can be used to disable this transition mode and
enforce connection only with OWE networks.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2018-01-21 11:13:01 +02:00
Jouni Malinen 2cb40e9f40 OWE: Try all supported DH groups automatically on STA
If a specific DH group for OWE is not set with the owe_group parameter,
try all supported DH groups (currently 19, 20, 21) one by one if the AP
keeps rejecting groups with the status code 77.

Signed-off-by: Jouni Malinen <j@w1.fi>
2017-12-27 21:06:02 +02:00
Jouni Malinen dc4d271c6d DPP: Update AES-SIV AD for DPP Authentication frames
The protocol design was updated to protect the six octets in the header
before the attributes.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2017-10-18 22:51:30 +03:00
Vidyullatha Kanchanapally b0a21e228d FILS: Update replay counter from roam info
Update the replay counter after a roam for all cases. This restores the
design back to what it was before commit
01ef320f19 ('FILS: Update ERP next
sequence number with driver offload').

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2017-10-17 16:26:44 +03:00
Jouni Malinen daa4096084 Allow last (Re)Association Request frame to be replayed for testing
The new wpa_supplicant RESEND_ASSOC command can be used to request the
last (Re)Association Request frame to be sent to the AP to test FT
protocol behavior.

This functionality is for testing purposes and included only in builds
with CONFIG_TESTING_OPTIONS=y.

Signed-off-by: Jouni Malinen <j@w1.fi>
2017-10-16 17:47:24 +03:00
Jouni Malinen 16579769ff Add testing functionality for resetting PN/IPN for configured keys
This can be used to test replay protection. The "RESET_PN" command in
wpa_supplicant and "RESET_PN <addr>" command in hostapd resets the local
counters to zero for the last configured key. For hostapd, the address
parameter specifies which STA this operation is for or selects GTK
("ff:ff:ff:ff:ff:ff") or IGTK ("ff:ff:ff:ff:ff:ff IGTK").

This functionality is for testing purposes and included only in builds
with CONFIG_TESTING_OPTIONS=y.

Signed-off-by: Jouni Malinen <j@w1.fi>
2017-10-16 17:43:10 +03:00
Jouni Malinen a0bf1b68c0 Remove all PeerKey functionality
This was originally added to allow the IEEE 802.11 protocol to be
tested, but there are no known fully functional implementations based on
this nor any known deployments of PeerKey functionality. Furthermore,
PeerKey design in the IEEE Std 802.11-2016 standard has already been
marked as obsolete for DLS and it is being considered for complete
removal in REVmd.

This implementation did not really work, so it could not have been used
in practice. For example, key configuration was using incorrect
algorithm values (WPA_CIPHER_* instead of WPA_ALG_*) which resulted in
mapping to an invalid WPA_ALG_* value for the actual driver operation.
As such, the derived key could not have been successfully set for the
link.

Since there are bugs in this implementation and there does not seem to
be any future for the PeerKey design with DLS (TDLS being the future for
DLS), the best approach is to simply delete all this code to simplify
the EAPOL-Key handling design and to get rid of any potential issues if
these code paths were accidentially reachable.

Signed-off-by: Jouni Malinen <j@w1.fi>
2017-10-16 02:03:47 +03:00
Jouni Malinen 5a78c36194 OWE: PMKSA caching in station mode
This extends OWE support in wpa_supplicant to allow PMKSA caching to be
used.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2017-10-09 12:12:54 +03:00
Jouni Malinen e8b9649012 OWE: Transition mode support on station side
Add support for using the OWE Transition Mode element to determine the
hidden SSID for an OWE BSS that is used in transition mode.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2017-10-08 17:12:35 +03:00
Jouni Malinen 61a56c1480 Add group_mgmt network parameter for PMF cipher selection
The new wpa_supplicant network parameter group_mgmt can be used to
specify which group management ciphers (AES-128-CMAC, BIP-GMAC-128,
BIP-GMAC-256, BIP-CMAC-256) are allowed for the network. If not
specified, the current behavior is maintained (i.e., follow what the AP
advertises). The parameter can list multiple space separate ciphers.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2017-09-26 17:40:02 +03:00
Avraham Stern b3c148e9f8 RRM: Send reject/refuse response only to unicast measurement request
IEEE Std 802.11-2016, 11.11.6 specifies that a station that is unable to
make a requested measurement or refuses to make a measurement shall
respond only if the measurement request was received within an
individually addressed radio measurement request frame, but shall not
respond if such a request was received in a group addressed frame.

Signed-off-by: Avraham Stern <avraham.stern@intel.com>
2017-07-17 17:43:32 +03:00
Andrei Otcheretianski bfbc41eace DPP: Fix compilation without openssl
dpp.h file requires openssl in order to compile, which breaks
compilation on systems without it.
Move DPP_OUI_TYPE to ieee802_11_defs.h and don't include dpp.h when
not really needed.

Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
2017-07-07 23:37:45 +03:00
Jouni Malinen da143f7fb9 FILS: Fix EVENT_ASSOC processing checks for driver-SME
Commit 5538fc9309 ('FILS: Track completion
with FILS shared key authentication offload') added an additional case
for calling wpa_supplicant_event_assoc_auth() from EVENT_ASSOC handling
in case of FILS-completion with driver-based-SME. However, that checked
what placed outside the data != NULL case while data != NULL needs to
apply for this case as well due to wpa_supplicant_event_assoc_auth()
behavior. Move the data != NULL check to apply to both cases to avoid
potentially issues if a driver interface were to return EVENT_ASSOC
without the associate data. (CID 164708)

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2017-06-19 23:36:13 +03:00
Jouni Malinen a0d5c56f8b DPP: Network Introduction protocol for wpa_supplicant
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2017-06-19 21:13:59 +03:00
Jouni Malinen 567da5bbd0 DPP: Add new AKM
This new AKM is used with DPP when using the signed Connector to derive
a PMK. Since the KCK, KEK, and MIC lengths are variable within a single
AKM, this needs number of additional changes to get the PMK length
delivered to places that need to figure out the lengths of the PTK
components.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2017-06-19 21:13:17 +03:00
Jouni Malinen 461d39af40 DPP: Configuration exchange
This adds support for DPP Configuration Protocol using GAS. Full
generation and processing of the configuration object is not included in
this commit.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2017-06-19 21:13:15 +03:00
Jouni Malinen 30d27b048e DPP: Authentication exchange
Add wpa_supplicant control interface commands for managing DPP
Authentication exchange.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2017-06-19 21:12:30 +03:00
Vasanthakumar Thiagarajan aa56e36d66 driver: Make DFS domain information available to core
Current DFS domain information of the driver can be used in ap/dfs
to comply with DFS domain specific requirements like uniform spreading
for ETSI domain.

Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com>
2017-05-13 20:01:44 +03:00
Vidyullatha Kanchanapally bbe7969d63 FILS: Update cache identifier on association
This is needed when offloading FILS shared key to the drivers.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2017-04-07 18:59:12 +03:00
Vidyullatha Kanchanapally f705f41b7f FILS: Update PMKSA cache with FILS shared key offload
Add a new PMKSA cache entry within wpa_supplicant if a driver event from
offloaded FILS shared key authentication indicates a new PMKSA entry was
created.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2017-04-07 18:46:13 +03:00
Vidyullatha Kanchanapally 01ef320f19 FILS: Update ERP next sequence number with driver offload
This keeps the internal ERP information within wpa_supplicant in sync
with the driver when offloading FILS shared key authentication.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2017-04-07 18:46:13 +03:00
Vidyullatha Kanchanapally 5538fc9309 FILS: Track completion with FILS shared key authentication offload
Update the internal fils_completed state when offloading FILS shared key
authentication to the driver.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2017-04-07 18:46:13 +03:00
Shaul Triebitz 3d5f0e916d wpa_supplicant: Avoid associating to temp disabled SSID in ap_scan=2
In ap_scan=2 mode, wpa_supplicant_assoc_try() did not check whether the
SSID is temporarily disabled before trying to associate and this may
result in an infinite connect/disconnect loop. If the association
succeeds while the SSID is temporarily disabled, wpa_supplicant will
request to deauthenticate and that in turn will cause the SSID to be
temporarily disabled again. Fix that by postponing the association until
the SSID is no longer temporarily disabled.

Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
2017-03-29 15:03:16 +03:00
Jouni Malinen 76e20f4fa7 FILS: Add FILS SK auth PFS support in STA mode
This adds an option to configure wpa_supplicant to use the perfect
forward secrecy option in FILS shared key authentication. A new build
option CONFIG_FILS_SK_PFS=y can be used to include this functionality. A
new runtime network profile parameter fils_dh_group is used to enable
this by specifying which DH group to use. For example, fils_dh_group=19
would use FILS SK PFS with a 256-bit random ECP group.

Signed-off-by: Jouni Malinen <j@w1.fi>
2017-03-12 23:20:32 +02:00
Jouni Malinen 0a6147991e OWE: Process Diffie-Hellman Parameter element in STA mode
This adds STA side addition of OWE Diffie-Hellman Parameter element into
(Re)Association Request frame and processing it in (Re)Association
Response frame.

Signed-off-by: Jouni Malinen <j@w1.fi>
2017-03-12 19:24:11 +02:00
Jouni Malinen a1ea1b4522 OWE: Define and parse OWE AKM selector
This adds a new RSN AKM "OWE".

Signed-off-by: Jouni Malinen <j@w1.fi>
2017-03-12 19:24:11 +02:00
Johannes Berg 15e5ee0b75 wpa_supplicant: events: Don't bounce timeout reason through a buffer
There's no point in making the code use a stack buffer and first copying
the string there, only to copy it again to the output. Make the output
directly use the reason string.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2017-03-11 10:52:43 +02:00
Jouni Malinen 869af30728 FILS: Use FILS Cache Identifier to extend PMKSA applicability
This allows PMKSA cache entries for FILS-enabled BSSs to be shared
within an ESS when the BSSs advertise the same FILS Cache Identifier
value.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2017-02-26 12:05:40 +02:00
Purushottam Kushwaha 3f23260da8 nl80211: Notify reason for connection timeout failure
This adds reason for timeout in event CTRL-EVENT-ASSOC-REJECT whenever
connection failure happens because of timeout. This extends the
"timeout" parameter in the event to include the reason, if available:
timeout=scan, timeout=auth, timeout=assoc.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2017-02-20 10:47:08 +02:00
Jouni Malinen bcf66493cf Fix estimated throughput based skip-roam case
Commit 8d1e693186 ('Use estimated
throughput to avoid signal based roaming decision') added a check for
the current BSS estimated throughput being significantly higher than the
selected BSS estimated throughput. However, this case for skipping a
roam used "return 1" which actually allows the roam. Fix this by
returning 0 in this case.

Signed-off-by: Jouni Malinen <j@w1.fi>
2017-02-05 21:52:26 +02:00
Andrejs Cainikovs 6a5425fd60 Increase delayed EAPOL RX frame timeout
Increase the EAPOL RX frame timeout from 100 to 200 ms. This fixes lack
of optimization (i.e., first EAPOL frame dropped) in occasional roaming
and authentication cases on EAP networks if the kernel events can be
reordered and delayed a bit longer.

Signed-off-by: Tomoharu Hatano <tomoharu.hatano@sonymobile.com>
2017-01-29 18:41:29 +02:00
Jouni Malinen 34e8bfd7a9 Skip EVENT_ACS_CHANNEL_SELECTED also without CONFIG_AP
CONFIG_ACS alone should not refer to wpa_s->ap_iface to avoid potential
compilation issues.

Signed-off-by: Jouni Malinen <j@w1.fi>
2017-01-28 11:57:23 +02:00
Jouni Malinen 0f9b4a0f1d bgscan: Deliver beacon loss event to bgscan modules
This adds a call to the notify_beacon_loss() callback functions when
beacon loss is detected. In addition, a new CTRL-EVENT-BEACON-LOSS event
is made available through the wpa_supplicant control interface.

Signed-off-by: Jouni Malinen <j@w1.fi>
2017-01-08 12:17:58 +02:00
Avraham Stern 76196ddb2b wpa_supplicant: Add support for Beacon Report Radio Measurement
Beacon Report Radio Measurement is defined in IEEE Std 802.11-2016,
11.11.9.1. Beacon Report is implemented by triggering a scan on the
requested channels with the requested parameters.

Signed-off-by: Avraham Stern <avraham.stern@intel.com>
2017-01-03 15:18:30 +02:00
Jouni Malinen 6e374bd44d Ignore scan results from ongoing scan when FLUSH command is issued
This makes wpa_supplicant behavior more consistent with FLUSH command to
clear all state. Previously, it was possible for an ongoing scan to be
aborted when the FLUSH command is issued and the scan results from that
aborted scan would still be processed and that would update the BSS
table which was supposed to cleared by the FLUSH command.

This could result in hwsim test case failures due to unexpected BSS
table entries being present after the FLUSH command.

Signed-off-by: Jouni Malinen <j@w1.fi>
2016-12-11 12:45:08 +02:00
Jouni Malinen e65a87b399 Debug print scan results matching the currently selected network
This provides more details on BSS selection process in the debug log.
Previously, the BSSs that were not either the current or the selected
one were not necessarily printed at all. Now all BSSs that match the
currently selected network are listed with their frequency and signal
strength details.

Signed-off-by: Jouni Malinen <j@w1.fi>
2016-11-13 18:22:38 +02:00