Commit Graph

1634 Commits

Author SHA1 Message Date
Ben Greear
c6b5b9a33b hostapd: Add more authentication error case debugging
This can help one understand better why stations are failing
to authenticate.

Signed-off-by: Ben Greear <greearb@candelatech.com>
2018-04-02 16:53:10 +03:00
Ben Greear
e2fc13d0ab hostapd: Add logging around Michael MIC related failures
This can help one understand better why stations are failing
to authentication/associate.

Signed-off-by: Ben Greear <greearb@candelatech.com>
2018-04-02 16:51:29 +03:00
Ben Greear
e7525a2954 hostapd: Add send_auth_reply() caller info in debug logging
This can help one understand better what happens during the
authentication exchange.

Signed-off-by: Ben Greear <greearb@candelatech.com>
2018-04-02 16:47:26 +03:00
Mathy Vanhoef
9f917339cc tests: Fix clearing of IGTK PN in handshake retransmit test functions
When locating the position of the IGTK PN in the key data, we also need
to skip the KDE header, in addition to the keyid field. This fixes
hostapd RESEND_M3 and RESEND_GROUP_M1 behavior when PMF is negotiated
for the association. Previously, the IGTK KDE ended up getting
practically hidden since zeroing of the PN ended up clearing the KDE OUI
and Type fields.

Signed-off-by: Mathy Vanhoef <Mathy.Vanhoef@cs.kuleuven.be>
2018-04-01 21:47:16 +03:00
Jouni Malinen
7e1d3ee963 Add hostapd.conf venue_url to set Venue URL ANQP-element
The new venue_url parameter can now be used to set the Venue URL ANQP
information instead of having to construct the data and use
anqp_elem=277:<hexdump> to set the raw value.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2018-03-26 16:10:47 +03:00
Jouni Malinen
2f37387812 FILS: Add more complete support for FT-FILS use cases
This extends the original IEEE Std 802.11ai-2016 functionality with the
changes added in REVmd to describe how additional keys are derived to
protect the FT protocol using keys derived through FILS authentication.

This allows key_mgmt=FT-FILS-SHA256 to be used with FT protocol since
the FTE MIC can now be calculated following the changes in REVmd. The
FT-FILS-SHA384 case is still unsupported (it needs support for variable
length MIC field in FTE).

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2018-03-26 12:31:04 +03:00
Jouni Malinen
4ddca8142e FT: Derive PMK-R1 locally if requested PMKR0Name is found
Derive PMK-R1 locally if the derived PMKR1Name is not found from the
local cache, but the request is for a key that was originally generated
locally (R0KH-ID matches) and the PMKR0Name is found in the local cache.
This was apparently not hit in the previously used FT sequences, but
this is useful to have available if a PMK-R1 entry is dropped from the
local cache before PMK-R0.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2018-03-24 18:53:14 +02:00
Jouni Malinen
1dc0945cc9 FT: Do not send PMK-R1 pull request to own R0KH address
If the requested key is not available locally, there is no point in
trying to send a pull request back to self for the key.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2018-03-24 18:53:14 +02:00
Jouni Malinen
9d94e4bb6b SAE: Fix PMKID in EAPOL-Key msg 1/4
Previously, the association that used SAE authentication ended up
recalculating the PMKID for EAPOL-Key msg 1/4 using incorrect
PMK-to-PMKID derivation instead of using the previously derived PMKID
from SAE. The correct PMKID was used only when going through PMKSA
caching exchange with a previously derived PMKSA from SAE.

Fix this by storing the SAE PMKID into the state machine entry for the
initial SAE authentication case when there is no explicit PMKSA entry
attached to the station.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2018-03-23 18:44:48 +02:00
Jouni Malinen
10949e2480 Do not disable 40 MHz based on co-ex report with matching primary channel
When processing 20/40 BSS Coexistence Management frames that do not
explicitly require 40 MHz to be disabled, check whether the reported
channels in 20/40 BSS Intolerant Channel Report element match the
current primary channel. If so, allow 40 MHz operation to continue. This
makes the during-operation updates for 20/40 Operation Permitted more
consistent with the scans during initial BSS startup.

The received 20/40 BSS Intolerant Channel Report channels are to be used
in the OT set in the during-operation determination and the P == OT_i
exception was ignored in the previous implementation which could result
in the AP first starting with 40 MHz and then dropping to 20 MHz on
first received 20/40 BSS Coexistence Management frame even though there
was no change in the neighboring BSSs.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2018-03-21 16:58:05 +02:00
Jouni Malinen
8cbd9c3ed4 Support multiple 20/40 BSS Intolerant Channel Report elements
This extends 20/40 BSS Coexistence Management frame processing to
iterate over all the included 20/40 BSS Intolerant Channel Report
elements instead of using only the first one.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2018-03-21 16:53:50 +02:00
Jouni Malinen
8127a0ac02 Ignore intra-BSS 20/40 BSS Coexistence Management from not-associated STA
The 20 MHz BSS Width Request field is set to 1 only for intra-BSS
reports. As such, ignore the frame if such a claim is made by a
transmitter that is not currently associated with the AP.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2018-03-21 16:35:15 +02:00
Jouni Malinen
8aa599d45a Add more debug prints for 20/40 BSS Coexistence Management frame Rx
This makes it easier to understand what kind of information a STA is
reporting about 20/40 MHz coexistence requirements.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2018-03-21 16:32:35 +02:00
Rajkumar Manoharan
d58c3bd8b7 hostapd: Ignore LOW_ACK event for co-operative steering clients
Ignore hostapd_event_sta_low_ack for a station which has agreed to
steering by checking the agreed_to_steer flag. This flag will be set
whenever a station accepts the BSS transition request from the AP.
Without this ignoring of the LOW_ACK event, the steering in-progress
might be affected due to disassociation. In this way AP will allow some
time (two seconds) for the station to move away and reset the flag after
the timeout.

Co-Developed-by: Tamizh Chelvam <tamizhr@codeaurora.org>
Signed-off-by: Rajkumar Manoharan <rmanohar@codeaurora.org>
Signed-off-by: Tamizh chelvam <tamizhr@codeaurora.org>
2018-03-19 20:16:32 +02:00
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
Bhagavathi Perumal S
72123a84cb hostapd: Add last_ack_rssi into ctrl iface cmd STA
This allows external application to get last ACK signal strength of the
last transmitted frame if the driver makes this information
(NL80211_STA_INFO_ACK_SIGNAL) available.

Signed-off-by: Bhagavathi Perumal S <bperumal@codeaurora.org>
Signed-off-by: Venkateswara Naralasetty <vnaralas@codeaurora.org>
2018-03-19 19:23:26 +02:00
Ashok Ponnaiah
f5701cc66e OWE: Clean up pointer check in a testing code path
Check wpa_auth_write_assoc_resp_owe() return value to keep static
analyzers happier. The code path where this could happen is not really
reachable due to the separate hapd->conf->own_ie_override check and
wpa_auth_write_assoc_resp_owe() returning NULL only in an error case in
the override path. Furthermore, clean up the pointer return value to use
a proper pointer (NULL vs. 0).

Signed-off-by: Ashok Ponnaiah <aponnaia@codeaurora.org>
2018-03-19 19:08:34 +02:00
Purushottam Kushwaha
8179ae3a2a DPP: Support retrieving of configurator's private key
To retain configurator information across hostapd/wpa_supplicant
restart, private key need to be maintained to generate a valid pair of
authentication keys (connector, netaccess_key, csign) for new enrollees
in the network.

Add a DPP_CONFIGURATOR_GET_KEY control interface API through which the
private key of an existing configurator can be fetched.

Command format:
DPP_CONFIGURATOR_GET_KEY <configurator_id>

The output from this command can then be used with
"DPP_CONFIGURATOR_ADD key=<hexdump>" to create the same key again.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2018-03-16 20:55:32 +02:00
Jouni Malinen
4bc801ab42 SAE: Fix EAPOL-Key integrity and key-wrap algorithm selection
The SAE AKM 00-0F-AC:8 is supposed to use EAPOL-Key Key Descriptor
Version 0 (AKM-defined) with AES-128-CMAC and NIST AES Key Wrap.
However, the previous implementation ended up using Key Descriptor
Version 2 (HMAC-SHA-1-128 and NIST AES Key Wrap). Fix this by using the
appropriate Key Descriptor Version and integrity algorithm. Use helper
functions to keep the selection clearer and more consistent between
wpa_supplicant and hostapd uses.

Note: This change is not backwards compatible. Both the AP and station
side implementations will need to be updated at the same time to
maintain functionality.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2018-03-16 13:36:42 +02:00
Srinivas Dasari
d74963d411 DPP: Extend dpp_test 89 functionality to transmit side
This extends dpp_test functionality to allow DPP exchanges to be stopped
after authentication is completed on the Initiator, i.e., after sending
out the Authentication Confirm message. Previously, dpp_test=89 was used
only on the Responder side to stop after receiving the Authentication
Confirm message. The main use case for this extended functionality is to
be able to stop the protocol exchange on a device that acts as
authentication Initiator and Enrollee.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2018-03-13 01:03:37 +02:00
Purushottam Kushwaha
f8bfc9cbde Use correct WPA_ALG_* values to compare for enum wpa_alg
enum wpa_alg was being compared with WPA_CIPHER_* values. That does not
work here and strict compilers will report this as an error. Fix the
comparision to use proper WPA_ALG_* values. This fixes testing
capability for resetting IPN for BIP.

Fixes: 16579769ff ("Add testing functionality for resetting PN/IPN for configured keys")
Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2018-03-13 00:32:43 +02:00
Tamizh chelvam
92eb00aec2 Extend ACL check for Probe Request frames
Extend ACL check to deny Probe Request frames for the client which does
not pass ACL check. Skip this check for the case where RADIUS ACL is
used to avoid excessive load on the RADIUS authentication server due to
Probe Request frames. This patch add wpa_msg event for auth and assoc
rejection due to acl reject.

Signed-off-by: Tamizh chelvam <tamizhr@codeaurora.org>
2018-03-03 00:42:16 +02:00
Jeffin Mammen
c05f96a386 FILS: Check kde more consistently to avoid static analyzer warnings
For FILS, __wpa_send_eapol() is called only with the kde != NULL, but a
static analyzer might not understand that. Add an explicit check kde !=
NULL similarly to the other cases going through the kde parameter to
silence such bogus warnings.

Signed-off-by: Jeffin Mammen <jmammen@codeaurora.org>
2018-03-02 21:27:30 +02:00
Jouni Malinen
f5e0a3324b SAE: Fix potential infinite loop in mismatching PMK case on AP
Commit e61fea6b46 ('SAE: Fix PMKSA caching
behavior in AP mode') modified the PSK fetching loop to not override PMK
in case of SAE with PMKSA caching. However, that commit missed the error
path cases where there is need to break from the loop with exact
negative of the check in the beginning of the loop. This could result in
hitting an infinite loop in hostapd if a station derived a different PMK
value from otherwise successfully completed SAE authentication or if a
STA used a different PMK with a PMKSA caching attempt after a previously
completed successful authentication.

Fix this by adding the matching break condition on SAE AKM within the
loops.

Fixes: e61fea6b46 ("SAE: Fix PMKSA caching behavior in AP mode")
Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2018-03-02 21:27:18 +02:00
Ashok Ponnaiah
a22e235fd0 OWE: Add testing RSNE for OWE assoc response with driver SME/MLME
Allow RSNE to be overwritten for testing purposes also in the
driver-based SME/MLME case.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2018-02-12 21:31:04 +02:00
Jouni Malinen
659ac96d7f ieee802_11_mgmt: Handle frame info more consistently
Check for the fi parameter to be non-NULL before trying to fetch the
ssi_signal information similarly to how the fi->freq was already
handled. While the meta information is supposed to be available, it
looks like there is at least one corner case where fi == NULL could be
used (Authentication frame reprocessing after RADIUS-based ACL).

Signed-off-by: Jouni Malinen <j@w1.fi>
2018-02-07 12:34:41 +02:00
Ashok Ponnaiah
458d8984de SAE: Reject request with mismatching PMKID (no PMKSA cache entry)
Reject SAE association request when PMKID is included in the RSNE, but
the corresponding PMKSA is not available in the AP.

Signed-off-by: Ashok Ponnaiah <aponnaia@codeaurora.org>
2018-02-07 12:24:36 +02:00
Ashok Ponnaiah
79ce2d519b OWE: Rename function to match use (driver-SME/MLME)
This function is used to process a (Re)Association Request frame, so
rename it appropriately to mention assoc_req instead of auth_req.

Signed-off-by: Ashok Ponnaiah <aponnaia@codeaurora.org>
2018-02-06 20:27:41 +02:00
Ashok Ponnaiah
759da93a89 OWE: Check for ECDH availability before use (driver-SME/MLME)
Verify that the STA has ECDH data available before trying to use this
data to add the OWE DH Params element.

Signed-off-by: Ashok Ponnaiah <aponnaia@codeaurora.org>
2018-02-06 20:25:41 +02:00
Ashok Ponnaiah
af65ef28f4 OWE: Add RSNE when not using PMKSA caching (driver-SME/MLME)
RSNE needs to be added both with and without use of PMKSA caching.

Signed-off-by: Ashok Ponnaiah <aponnaia@codeaurora.org>
2018-02-06 20:22:53 +02:00
Ashok Ponnaiah
5850cba384 OWE: Support DH groups 20 and 21 with driver-SME/MLME
This was already the case with the hostapd-based SME/MLME
implementation, but the OWE DH Param element construction for the
driver-based SME/MLME needed a matching change to set the group
properly.

Signed-off-by: Ashok Ponnaiah <aponnaia@codeaurora.org>
2018-02-06 20:20:22 +02:00
Michal Kazior
f9854c183d hostapd: Fix wpa_psk_file support for FT-PSK
For FT-PSK sm->xxkey was populated with only the first password on the
linked list (i.e., last matching password in the wpa_psk_file) in
INITPSK. This caused only that password to be recognized and accepted.
All other passwords were not verified properly and subsequently
prevented clients from connecting.

Hostapd would report:

 Jan 30 12:55:44 hostapd: ap0: STA xx:xx:xx:xx:xx:xx WPA: sending 1/4 msg of 4-Way Handshake
 Jan 30 12:55:44 hostapd: ap0: STA xx:xx:xx:xx:xx:xx WPA: received EAPOL-Key frame (2/4 Pairwise)
 Jan 30 12:55:44 hostapd: ap0: STA xx:xx:xx:xx:xx:xx WPA: invalid MIC in msg 2/4 of 4-Way Handshake
 Jan 30 12:55:45 hostapd: ap0: STA xx:xx:xx:xx:xx:xx WPA: EAPOL-Key timeout

Signed-off-by: Michal Kazior <michal@plumewifi.com>
2018-02-04 12:39:23 +02:00
David Messer
82424732af Fix compiler issue with CONFIG_TESTING_OPTIONS
Use the preprocessor conditional "ifdef" instead of "if" before
CONFIG_TESTING_OPTIONS to prevent an issue on build systems that treat
undefined preprocessor identifiers as an error.

Signed-off-by: David Messer <david.messer@garmin.com>
2018-02-03 12:41:09 +02:00
Ashok Ponnaiah
cd483be252 OWE: Use PMKSA caching if available with driver AP MLME
If a matching PMKSA cache entry is present for an OWE client, use it and
do not go through DH while processing Association Rquest frame.
Association Response frame will identify the PMKID in such a case and DH
parameters won't be present.

Signed-off-by: Ashok Ponnaiah <aponnaia@codeaurora.org>
2018-02-01 23:58:46 +02:00
Ashok Ponnaiah
a4668c6812 OWE: Handle unsupported finite cyclic group with driver MLME
Handle OWE unsupported finite cyclic group in (Re)Association Request
frame when not using the hostapd SME/MLME.

Signed-off-by: Ashok Ponnaiah <aponnaia@codeaurora.org>
2018-02-01 23:51:19 +02:00
Ashok Ponnaiah
18e3e9c6e0 OWE: Transition mode with non-AP-MLME
Add OWE Transition IE in build_ap_extra() ies to support drivers that do
not use hostapd MLME.

Signed-off-by: Ashok Ponnaiah <aponnaia@codeaurora.org>
2018-01-29 19:01:43 +02:00
Ashok Ponnaiah
92b6e0c582 hostapd: Send broadcast Public Action frame with wildcard BSSID address
Send Public Action frames with wildcard BSSID when destination was
broadcast address. This is required for DPP PKEX where the recipients
may drop the frames received with different BSSID than the wildcard
address or the current BSSID.

Signed-off-by: Ashok Ponnaiah <aponnaia@codeaurora.org>
2018-01-29 18:11:03 +02:00
Jouni Malinen
703470bfa1 FILS: Fix extended capability bit setting for FILS in AP mode
FILS capability bit setting could have ended up setting boths biths 72
(correct) and 64 (incorrect; part of Max Number of MSDUs In A-MSDU). Fix
this by adding the missing break to the switch statement.

Fixed: f55acd909e ("FILS: Set FILS Capability bit in management frames from AP")
Signed-off-by: Jouni Malinen <j@w1.fi>
2018-01-22 00:07:44 +02:00
Jouni Malinen
b6b5e3554a DPP: Get rid of compiler warnings on signed/unsigned comparison
Signed-off-by: Jouni Malinen <j@w1.fi>
2018-01-21 11:24:33 +02:00
Jouni Malinen
5d5ee699a5 Copy WLAN-Reason-Code value from Access-Reject to Deauthentication
This makes hostapd use the WLAN-Reason-Code value from Access-Reject
when disconnecting a station due to IEEE 802.1X authentication failure.
If the RADIUS server does not include this attribute, the default value
23 (IEEE 802.1X authentication failed) is used. That value was the
previously hardcoded reason code.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2018-01-12 20:55:33 +02:00
Jouni Malinen
feba5848be Replace RSNE group key management mismatch status/reason codes
Use "cipher out of policy" value instead of invalid group cipher (which
is for the group data frame cipher) and management frame policy
violation (which is used for MFPC/MFPR mismatch).

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2018-01-12 01:12:00 +02:00
Jouni Malinen
fd92095491 DPP: Report reception of Config Request to upper layers
This is mainly for protocol testing purposes.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2018-01-12 00:50:45 +02:00
Jouni Malinen
80f71b71d5 DPP: Authentication exchange retries and channel iteration in hostapd
This extends hostapd with previoiusly implemented wpa_supplicant
functionality to retry DPP Authentication Request/Response and to
iterate over possible negotiation channels.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2018-01-08 05:19:05 +02:00
Jouni Malinen
c5cc7a59ac Report offchannel RX frame frequency to hostapd
Not all code paths for management frame RX reporting delivered the
correct frequency for offchannel RX cases. This is needed mainly for
Public Action frame processing in some special cases where AP is
operating, but an exchange is done on a non-operational channel. For
example, DPP Initiator role may need to do this.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2018-01-08 03:37:48 +02:00
Jouni Malinen
02b38d0ad5 Fix MFP-enabled test for disallowed TKIP
The test against use of TKIP was done only in MFP-required
(ieee80211w=2) configuration. Fix this to check the pairwise cipher for
MFP-enabled (ieee80211w=1) case as well.

Signed-off-by: Jouni Malinen <j@w1.fi>
2017-12-27 18:38:12 +02:00
Jouni Malinen
ba3d435fe4 SAE: Add option to require MFP for SAE associations
The new hostapd.conf parameter sae_require_pmf=<0/1> can now be used to
enforce negotiation of MFP for all associations that negotiate use of
SAE. This is used in cases where SAE-capable devices are known to be
MFP-capable and the BSS is configured with optional MFP (ieee80211w=1)
for legacy support. The non-SAE stations can connect without MFP while
SAE stations are required to negotiate MFP if sae_require_mfp=1.

Signed-off-by: Jouni Malinen <j@w1.fi>
2017-12-27 18:27:58 +02:00
Jouni Malinen
c4fc7e31c7 SAE: Set special Sc value when moving to Accepted state
Set Sc to 2^16-1 when moving to Accepted state per IEEE Std 802.11-2016,
12.4.8.6.5 (Protocol instance behavior - Confirmed state). This allows
the peer in Accepted state to silently ignore unnecessary
retransmissions of the Confirm message.

Signed-off-by: Jouni Malinen <j@w1.fi>
2017-12-27 12:19:08 +02:00
Jouni Malinen
abcbd0604c SAE: Add Rc variable and peer send-confirm validation
This implements the behavior described in IEEE Std 802.11-2016,
12.4.8.6.6 (Protocol instance behavior - Accepted state) to silently
discard received Confirm message in the Accepted state if the new
message does not use an incremented send-confirm value or if the special
2^16-1 value is used. This avoids unnecessary processing of
retransmitted Confirm messages.

Signed-off-by: Jouni Malinen <j@w1.fi>
2017-12-27 12:19:08 +02:00
Jouni Malinen
9249afc8e1 SAE: Print state changes in debug log
This makes it easier to follow state changes in SAE protocol instances.

Signed-off-by: Jouni Malinen <j@w1.fi>
2017-12-27 00:07:42 +02:00
Jouni Malinen
d8b841eba8 SAE: Make dot11RSNASAESync configurable
The new hostapd.conf parameter sae_sync (default: 5) can now be used to
configure the dot11RSNASAESync value to specify the maximum number of
synchronization errors that are allowed to happen prior to
disassociation of the offending SAE peer.

Signed-off-by: Jouni Malinen <j@w1.fi>
2017-12-26 12:46:22 +02:00