Jouni Malinen [Sun, 8 Mar 2020 14:48:00 +0000 (16:48 +0200)]
nl80211: Fix error print for hapd_send_eapol()
The return value from nl80211_send_monitor() is not suitable for use
with strerror(). Furthermore, nl80211_send_monitor() itself is printing
out a more detailed error reason.
Jouni Malinen [Sun, 8 Mar 2020 14:32:47 +0000 (16:32 +0200)]
SAE: Check sta pointer more consistently in testing code
send_auth_reply() could be called with sta == NULL in certain error
conditions. While that is not applicable for this special test
functionality for SAE, the inconsistent checks for the sta pointer could
result in warnings from static analyzers. Address this by explicitly
checking the sta pointer here.
Jouni Malinen [Sun, 8 Mar 2020 14:28:03 +0000 (16:28 +0200)]
Clean up hostapd_get_he_twt_responder() processing
mode->he_capab is an array and as such, there is no point in checking
whether it is NULL since that cannot be the case. Check for the
he_supported flag instead. In addition, convert the TWT responder
capability bit into a fixed value 1 to avoid any surprising to the
callers. In practice, neither of these changes results in different
behavior in the current implementation, but this is more robust.
Jouni Malinen [Sun, 8 Mar 2020 14:18:22 +0000 (16:18 +0200)]
DPP: Fix connectorTemplate addition
There was a copy-paste error in this code that would be adding the
connectorTemplate once that becomes available. In practice, this was not
reachable code, but anyway, this should be ready for potential addition
of connectorTemplate in the future.
Joshua DeWeese [Mon, 4 Feb 2019 20:43:29 +0000 (15:43 -0500)]
Replace systemd install Alias with WantedBy
According to the systemd documentation "WantedBy=foo.service in a
service bar.service is mostly equivalent to
Alias=foo.service.wants/bar.service in the same file." However,
this is not really the intended purpose of install Aliases.
Jouni Malinen [Sun, 8 Mar 2020 11:49:22 +0000 (13:49 +0200)]
tests: Fix sigma_dut_sae_pw_id_pwe_loop to clear sae_pwe setting
Leaving out the special sae_pwe value was causing failures for following
test cases, e.g., in the following sequence:
sigma_dut_sae_pw_id_pwe_loop sae_password_id_only
Jouni Malinen [Sun, 8 Mar 2020 11:11:50 +0000 (13:11 +0200)]
RSN: Stop 4-way handshake if scan results are not available
While there may have initially been cases where the RSNE from
Beacon/Probe Response frames was not available from some drivers, it is
now more valuable to notice if such a case were to be hit with drivers
that are always expected to have such information available. As such,
make it a fatal error if the scan results for the current AP are not
available to check the RSNE/RSNXE in EAPOL-Key msg 3/4.
Jouni Malinen [Sun, 8 Mar 2020 09:29:45 +0000 (11:29 +0200)]
OWE: Allow BSS entry with different SSID to be used in transition mode
Similarly to the wpa_supplicant_select_config() case,
wpa_get_beacon_ie() needs to handle the special case for OWE transition
mode where the SSID in the network profile does not match the SSID of
the OWE BSS (that has a hidden, random SSID). Accept such a BSS in case
the current scan results needs to be fetched for verifying EAPOL-Key msg
3/4 IEs.
Jouni Malinen [Sun, 8 Mar 2020 14:13:35 +0000 (16:13 +0200)]
OWE: Mark BSS for transition mode based on active OWE network profiles
It is possible for the hidden OWE BSS to be found based on SSID-specific
scan (e.g., from the special OWE scan mechanism). In that sequence, the
previously used learning of OWE BSS was skipped since the SSID was
already present in the BSS entry. This could result in not being able to
find a matching BSS entry for the OWE BSS in transition mode.
Fix this by adding the BSS flag for transition mode based on SSID
matching against currently enabled OWE network profiles in addition to
the previous mechanism.
Jouni Malinen [Sat, 7 Mar 2020 16:03:32 +0000 (18:03 +0200)]
OWE: Avoid incorrect profile update in transition mode
The "unexpected" change of SSID between the current network profile
(which uses the SSID from the open BSS in OWE transition mode) and the
association with the OWE BSS (which uses a random, hidden SSID) resulted
in wpa_supplicant incorrectly determining that this was a
driver-initiated BSS selection ("Driver-initiated BSS selection changed
the SSID to <the random SSID from OWE BSS>" in debug log).
This ended up with updating security parameters based on the network
profile inwpa_supplicant_set_suites() instead of using the already
discovered information from scan results. In particular, this cleared
the RSN supplicant state machine information of AP RSNE and resulted in
having to fetch the scan results for the current BSS when processing
EAPOL-Key msg 3/4.
Fix this by recognizing the special case for OWE transition mode where
the SSID for the associated AP does not actually match the SSID in the
network profile.
Jouni Malinen [Sat, 7 Mar 2020 15:05:01 +0000 (17:05 +0200)]
Report RSNXE mismatch in EAPOL-Key msg 3/4 more consistently with RSNE
Use the same reason code to indicate that IE different in 4-way
handshake and also print a hexdump of RSNXE in both Beacon/ProbeResp and
EAPOL-Key msg 3/4 in the log.
Jouni Malinen [Sat, 7 Mar 2020 14:45:52 +0000 (16:45 +0200)]
Allow RSNE in EAPOL-Key msg 3/4 to be replaced for testing purposes
The new hostapd configuration parameter rsne_override_eapol can now be
used similarly to the previously added rsnxe_override_eapol to override
(replace contents or remove) RSNE in EAPOL-Key msg 3/4. This can be used
for station protocol testing to verify sufficient checks for RSNE
modification between the Beacon/Probe Response frames and EAPOL-Key msg
3/4.
Jouni Malinen [Sat, 7 Mar 2020 14:39:36 +0000 (16:39 +0200)]
Extend hostapd rsnxe_override_eapol to allow IE removal
Previous implementation was determining whether the override value was
set based on its length being larger than zero. Replace this with an
explicit indication of whether the parameter is set to allow zero length
replacement, i.e., remove of RSNXE from EAPOL-Key msg 3/4.
In addition, move IE replacement into a more generic helper function to
allow this to be used with other IEs as well.
Jouni Malinen [Sat, 7 Mar 2020 11:56:56 +0000 (13:56 +0200)]
Do not override WDS VLAN assignment for STA
The 4-address frames WDS design in mac80211 uses VLAN interfaces
similarly to the way VLAN interfaces based on VLAN IDs are used. The EAP
authentication case ended up overriding the WDS specific assignment even
when the RADIUS server did not assign any specific VLAN for the STA.
This broke WDS traffic.
Fix this by skipping VLAN assignment to VLAN ID 0 for STAs that have
been detected to use 4-address frames.
Jouni Malinen [Sat, 7 Mar 2020 11:26:56 +0000 (13:26 +0200)]
HS 2.0 server: Allow OCSP responder to continue running after errors
By default, 'openssl ocsp' exits upon receiving a malformed request.
That's not really ideal for a server, so configure openssl to not do
that and instead, continue running to process other requests.
The resource-load-started cannot be used to replace the older
resource-request-starting signal and as such, the final redirect to the
special http://localhost:12345/ URL did not work. Use the decide-policy
signal for navigation action instead.
Also remove the attempt to modify the request URI from
resource-load-started since that is not going to work either. This is
not really critical for functionality, but could eventually be replaced
with a handler for the WebKitWebPage send-request signal.
wpa_tdls_set_key() did set the key_id to -1 to avoid a useless
NL80211_CMD_SET_KEY call that the updated nl80211 driver no longer
carries out. Remove the no longer required workaround.
Signed-off-by: Alexander Wetzel <alexander@wetzel-home.de>
DFS: Add support for 80+80 MHz when going through channel switch
After a radar signal is detected, the AP should switch to another
channel, but in the case of 80+80 MHz, channel switch failed because
hostapd did not select the secondary channel in the process. Fix this by
selecting a secondary channel in the case of 80+80 MHz.
Signed-off-by: Xin Wang <xwangw@codeaurora.org> Signed-off-by: Pravas Kumar Panda <kumarpan@codeaurora.org>
Jouni Malinen [Fri, 6 Mar 2020 15:27:40 +0000 (17:27 +0200)]
tests: Make ap_ht_40mhz_intolerant_ap more robust
Some test case sequences seemed to prevent the station from completing
the first OBSS scan (that scan was aborted) and that resulted in failing
the test case because the AP had not received any report in time. Wait
for scan completion and allow additional scans before timing out to
avoid indicating incorrect AP behavior in cases where the report was not
even received.
Hu Wang [Thu, 5 Mar 2020 11:20:38 +0000 (19:20 +0800)]
OWE: Fix PTK derivation workaround for interoperability
The initial implementation of the PTK derivation workaround for
interoperability with older OWE implementations forced
WPA_KEY_MGMT_PSK_SHA256 to be used for all of PTK derivation. While that
is needed for selecting which hash algorithm to use, this was also
changing the length of the PTK components and by doing so, did not
actually address the backwards compatibility issue.
Fix this by forcing SHA256 as the hash algorithm in PTK derivation
without changing the PTK length calculation for OWE when
owe_ptk_workaround is enabled.
Fixes: 65a44e849af9 ("OWE: PTK derivation workaround in AP mode") Fixes: 8b138d28264e ("OWE: PTK derivation workaround in STA mode") Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
Zhaoyang Liu [Thu, 5 Mar 2020 03:25:00 +0000 (11:25 +0800)]
Fix segmentation fault for NULL confname in SAVE_CONFIG
When wpa_supplicant interface is added without a configuration file, the
SAVE_CONFIG command causes a segmentation fault due to referencing a
NULL pointer if the update_config parameter is first explicitly enabled.
Fix the issue by checking the confname for NULL before saving
configuration.
Migrate nl80211 driver to key_flag API and add additional sanity checks.
I'm still not sure why we install unicast WEP keys also as default
unicast keys. Based on how I understand how mac80211 handles that it
should be pointless. I just stuck to how we do things prior to the patch
for WEP keys to not break anything. After all other drivers may need it.
Signed-off-by: Alexander Wetzel <alexander@wetzel-home.de>
Always report an error when NL80211_CMD_SET_KEY can't set a key to
default.
The old ioctl-based design used a single command to add, set, and delete
a key and had to ignore ENOENT for key deletions. It looks like that
special handling was also ported for NL80211_CMD_NEW_KEY and
NL80211_CMD_SET_KEY instead only for NL80211_CMD_DEL_KEY.
Signed-off-by: Alexander Wetzel <alexander@wetzel-home.de>
Calling NL80211_CMD_NEW_KEY with NL80211_KEY_DEFAULT_TYPES attributes is
pointless. The information is not expected and therefore the kernel
never forwards it to the drivers. That attribute is used with
NL80211_CMD_SET_KEY.
Signed-off-by: Alexander Wetzel <alexander@wetzel-home.de>
Turns out we are sometime providing a seq when deleting the key. Since
that makes no sense on key deletion let's stop forwarding that to the
driver at least.
Signed-off-by: Alexander Wetzel <alexander@wetzel-home.de>
I decided to drop KEY_FLAG_MODIFY instead of allowing flag combinations not
yet used in the code and will simply recreate it with the Extended Key
ID patches once we get there. For that reason I also did not renumber
the flags.
Signed-off-by: Alexander Wetzel <alexander@wetzel-home.de>
Fix unicast argument for set_wep_key() from EAPOL supplicant
The unicast parameter in set_wep_key() is only expected to be set to 0
or 1. Without this patch we set unicast to 0x80 instead of 1. Since
unicast is used as boolean that is working fine but violates the
documented API.
Signed-off-by: Alexander Wetzel <alexander@wetzel-home.de>
Jouni Malinen [Wed, 4 Mar 2020 21:26:02 +0000 (23:26 +0200)]
WPS: Remove expired PINs on Selected Registrar timeout
This clears the AuthorizedMACs advertisement immediately when the
Selected Registrar timeout is hit and no more active PINs are present.
Previously, the AuthorizedMACs advertisement could remain in place
indefinitely since expired PINs were removed only when actually trying
to find a PIN for a new WPS exchange.
hostapd: Fix to downgrade bandwidth in radar detection
Upon radar detection we used to search channels with the same bandwidth.
This way we might not find any other channels. If there are no channels
available with that bandwidth the AP service will be stopped. To avoid
this problem, also search a suitable channel by downgrading the
bandwidth. This scenario is applicable during CAC as well.
DFS: Do not process radar event while disabling an interface
In the normal case hostapd_disable_iface() and hostapd_enable_iface()
will be done while switching to another DFS channel upon radar
detection. In certain scenarios radar detected event can come while
hostapd_disable_iface() is in progress and iface->current_mode will be
NULL in that scenario. Previously, we did not check for this scenario
and proceeded with the radar detection logic which can trigger a
segmentation fault. To fix this, avoid proceeding the radar detection
event if iface->current_mode is NULL.
Allow wildcard SSID to be enforced for a specific BSSID scan
Specific BSSID scan was replacing wildcard SSID with the known SSID if
any BSS with the specified BSSID is available in the known BSSes list.
Add control interface support to force use of a wildcard SSID in a
specific BSSID scan by user with the new "wildcard_ssid=1" argument to
the SCAN command.
Incorrect he_enabled parameter was being passed to
hostapd_set_freq_params() in mesh which caused HE to be not fully
enabled on the 5 GHz band. Fix this by setting freq->he_enabled instead
of vht_freq.he_enabled so that the hostapd_set_freq_params() uses the
correct he_enabled value (and then ends up copying this to
vht_freq.he_enabled in the success case).
Fixes: 6e711e7ab32 ("mesh: Do not enable HE on 5 GHz without VHT") Signed-off-by: Pradeep Kumar Chitrapu <pradeepc@codeaurora.org>
Sachin Shelke [Sun, 1 Mar 2020 23:48:41 +0000 (05:18 +0530)]
SAE: Allow SAE-only network profile with sae_password to be written
The commit a34ca59e (SAE: Allow SAE password to be configured separately
(STA)) added sae_password configuration option. We should also consider
sae_password in the wpa_config_write() function which stores the valid
network block details to an external database.
Fixes: a34ca59e4db0 ("SAE: Allow SAE password to be configured separately (STA)") Signed-off-by: Sachin Shelke <sachin.shelke@nxp.com> Signed-off-by: Cathy Luo <xiaohua.luo@nxp.com> Signed-off-by: Ganapathi Bhat <ganapathi.bhat@nxp.com>
Jouni Malinen [Sun, 1 Mar 2020 19:31:07 +0000 (21:31 +0200)]
privsep: Mask out control port capability flag
There is no support for using the control port for sending out EAPOL
frames through privsep yet, so mask out this capability to fall back to
the l2_packet based design.
Ilan Peer [Mon, 24 Feb 2020 09:14:29 +0000 (11:14 +0200)]
nl80211: Allow TX status for Authentication frames
To support PASN authentication flow, where Authentication frames are
sent by wpa_supplicant using the send_mlme() callback, modify the logic
to also send EVENT_TX_STATUS for Authentication frames.
Ilan Peer [Mon, 24 Feb 2020 09:14:27 +0000 (11:14 +0200)]
driver: Extend send_mlme() with wait option
PASN authentication can be performed while a station interface is
connected to an AP. To allow sending PASN frames while connected, extend
the send_mlme() driver callback to also allow a wait option. Update the
relevant drivers and wpa_supplicant accordingly.
hostapd calls for send_mlme() are left unchanged, since the wait option
is not required there.
nl80211: Register for SAE Authentication frames more strictly
If the driver requires external SAE authentication, it would result in
registration for all Authentication frames, so even non-SAE
Authentication frames might be forwarded to user space instead of being
handled internally. Fix this by using a more strict match pattern,
limiting the registration to the SAE authentication algorithm only.
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Jouni Malinen [Sat, 29 Feb 2020 14:52:39 +0000 (16:52 +0200)]
Make WEP functionality an optional build parameter
WEP should not be used for anything anymore. As a step towards removing
it completely, move all WEP related functionality to be within
CONFIG_WEP blocks. This will be included in builds only if CONFIG_WEP=y
is explicitly set in build configuration.
Neo Jou [Mon, 13 Jan 2020 08:31:28 +0000 (16:31 +0800)]
ACS: Extend acs_request_scan() to support multiple modes
Add suitable channel frequencies from all modes into the scan parameters
when a single mode is not specified for ACS. This is preparation for
being able to support hw_mode=any to select the best channel from any
supported mode.
Jouni Malinen [Fri, 28 Feb 2020 20:54:36 +0000 (22:54 +0200)]
os_unix: Seed random() for os_random()
While the users of os_random() do not really need strong pseudo random
numebrs, there is no significant harm in seeding random() with data from
os_get_random(), i.e., /dev/urandom, to get different sequence of not so
strong pseudo random values from os_random() for each time the process
is started.
Jouni Malinen [Fri, 28 Feb 2020 15:41:07 +0000 (17:41 +0200)]
SAE: Do not use PMKSA entry after its reauth threshold
Since SAE PMK can be updated only by going through a new SAE
authentication instead of being able to update it during an association
like EAP authentication, do not allow PMKSA entries to be used for
caching after the reauthentication threshold has been reached. This
allows the PMK to be updated without having to force a disassociation
when the PMK expires if the station roams between the reauthentication
threshold and expiration timeout.
Jouni Malinen [Fri, 28 Feb 2020 15:26:36 +0000 (17:26 +0200)]
SAE: Do not clone PMKSA entry for OKC after its reauth threshold
Since SAE PMK can be updated only by going through a new SAE
authentication instead of being able to update it during an association
like EAP authentication, do not allow PMKSA entries to be used for OKC
after the reauthentication threshold has been reached. This allows the
PMK to be updated without having to force a disassociation when the PMK
expires if the station roams between the reauthentication threshold and
expiration timeout.
Jouni Malinen [Fri, 28 Feb 2020 14:37:28 +0000 (16:37 +0200)]
SAE: Fix PMKID derivation for OKC
SAE authentication derives PMKID differently from the EAP cases. The
value comes from information exchanged during SAE authentication and
does not bind in the MAC addresses of the STAs. As such, the same PMKID
is used with different BSSIDs. Fix both the hostapd and wpa_supplicant
to use the previous PMKID as is for OKC instead of deriving a new PMKID
using an incorrect derivation method when using an SAE AKM.
This fixes use of opportunistic key caching with SAE.
Jouni Malinen [Thu, 27 Feb 2020 22:31:33 +0000 (00:31 +0200)]
wlantest: Get STA IEs based on EAPOL-Key msg 2/4 before PTK derivation
The previous implementation tried to update STA IE information based on
EAPOL-Key msg 2/4 to be able to handle captures that do not include the
(Re)Association Request frame. This was not sufficient (OSEN was not
included) and was done too late (the parsed information is needed for
PMK-to-PTK derivation).
Move the IE update step to happen before trying to derive the PTK if no
(Re)Association Request frame has been seen.
Krishna Rao [Fri, 14 Feb 2020 12:25:40 +0000 (17:55 +0530)]
Add attribute for dwell time in QCA vendor scan
Add an attribute QCA_WLAN_VENDOR_ATTR_SCAN_DWELL_TIME for specifying
dwell time in the QCA vendor scan command. This is a common value which
applies across all frequencies requested in the scan.
Jouni Malinen [Tue, 25 Feb 2020 11:08:00 +0000 (13:08 +0200)]
tests/fuzzing: Fix build after CONFIG_IEEE80211N=y removal
Commit f3bcd6960346 ("Remove CONFIG_IEEE80211N build option") broke
couple of fuzzing test tools due to missing wpa_scan_results_free(). Fix
that by pulling in driver_common.o.