It is possible for the GO of a persistent group to change the PSK or
remove a client when per-client PSKs are used and this can happen
without the SSID changing (i.e., the group is still valid, but just not
for a specific client). If the client side of such persistent group ends
up trying to use an invalidated persistent group information, the
connection will fail in 4-way handshake. A new WPS provisioning step is
needed to recover from this.
Detect this type of case based on two 4-way handshake failures when
acting as a P2P client in a persistent group. A new
"P2P-PERSISTENT-PSK-FAIL id=<persistent group id>" event is used to
indicate when this happens. This makes it easier for upper layers to
remove the persistent group information with "REMOVE_NETWORK <persistent
group id>" if desired (e.g., based on user confirmation).
In addition to indicating the error cases for persistent groups, all
this type of PSK failures end up in the client removing the group with
the new reason=PSK_FAILURE information in the P2P-GROUP-REMOVED event.
Signed-hostap: Jouni Malinen <j@w1.fi>
This new control interface event message is used to indicate when
both 4-way handshakes have been completed with a new IBSS peer.
Signed-hostap: Jouni Malinen <j@w1.fi>
If AP mode SME/MLME within wpa_supplicant is used for processing Probe
Request frames in GO mode, drop Probe Request frames that include only
802.11b rates per P2P spec section 2.4.1.
Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
There is not much use for enabling WPA without WPA2 nowadays since most
networks have been upgraded to WPA2. Furthermore, the code size savings
from disabling just WPA2 are pretty small, so there is not much
justification for maintaining this build option. Remove it to get rid of
undesired complexity.
Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
Define a proper event prefix and include additional information to allow
ESS Dissassociation Imminent event to be used in a wpa_cli action
script.
Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
The wpa_supplicant global control interface parameter can now be used to
explicitly specify an abstract UNIX domain socket (Linux specific
extension) with "@abstract:" prefix and an Android control socket with
"@android:" prefix.
Signed-hostap: Jouni Malinen <j@w1.fi>
The new control interface command can be used to send a
BSS Transition Management Query frame to the current AP.
Signed-hostap: Vinayak Kamath <vkamat@codeaurora.org>
Harmonize EAP status events over control interface to provide same
functionality as existing D-Bus callback.
Signed-hostap: Chris Hessing <chris.hessing@cloudpath.net>
Add NL80211_CMD_UPDATE_FT_IES to support update of FT IEs to the
WLAN driver. Add NL80211_CMD_FT_EVENT to send FT event from the
WLAN driver. This will carry the target AP's MAC address along
with the relevant Information Elements. This event is used to
report received FT IEs (MDIE, FTIE, RSN IE, TIE, RICIE).
Signed-off-by: Deepthi Gowri <deepthi@codeaurora.org>
The peer commit element needs to be validated to pass one of the steps
listed in IEEE 802.11, 11.3.5.4:
scalar-op(r, ELEMENT) = 1 modulo p
Similar step was present for ECC groups, but was missing for FFC groups.
This is needed to avoid dictionary attacks.
Thanks to Michael Roßberg and Sascha Grau for reporting this.
Signed-hostap: Jouni Malinen <j@w1.fi>
It is clearer to keep all the validation steps described in IEEE 802.11
11.3.5.4 in a single location instead of splitting this between the
parsing and processing functions.
Signed-hostap: Jouni Malinen <j@w1.fi>
The VHT IE struct just has an opaque 8-byte array for the MCS
set, make it more expressive by explicitly naming the pieces.
Signed-hostap: Johannes Berg <johannes.berg@intel.com>
This flag will add ==== delimiter between to separate bss results.
Unlike the other BSS command MASK values, this delimiter is not
included by default to avoid issues with existing users of the BSS
command.
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
The information of the peer's HT capability and the QOS information is
required for the driver to perform TDLS operations. Pass this
information to the driver when the peer station is getting added.
Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
When AP mode operation reject the client, nl80211 layer advertises the
connect failed event with the reason for failures (for example, max
client reached, etc.) using NL80211_CMD_CONN_FAILED.
This patch adds some debug messages whenever such an event is received
from the nl80211 layer and also the same event is posted to the upper
layer via wpa_msg().
Signed-off-by: Raja Mani <rmani@qca.qualcomm.com>
This allows even more memory to be freed when the SAE instance enters
Accepted state. This leaves only the minimal needed memory allocated
during the association which is especially helpful for the AP
implementation where multiple stations may be associated concurrently.
Signed-hostap: Jouni Malinen <j@w1.fi>
Most of the variables are not needed anymore once the SAE instance
has entered Accepted state. Free these to save memory.
Signed-hostap: Jouni Malinen <j@w1.fi>
The rand/mask values and commit scalar are derived using the exact same
operations, so only use a separate function for deriving the commit
element.
Signed-hostap: Jouni Malinen <j@w1.fi>
There is no need to postpone this validation step to a separate
processing operation for the commit message, so move the minimal
validation tasks into the parsing functions.
Signed-hostap: Jouni Malinen <j@w1.fi>
Move the bignum comparison part into the bignum library to allow a
single implementation of rand generation for both ECC and FCC based
groups.
Signed-hostap: Jouni Malinen <j@w1.fi>
This allows FFC groups to be used with SAE. Though, these groups are not
included in the default sae_groups value based on what is available
since the FFC groups have the additional requirement of using a safe
prime with the current implementation (or specification of the group
order).
Signed-hostap: Jouni Malinen <j@w1.fi>
hostapd.conf sae_groups parameter can now be used to limit the set of
groups that the AP allows for SAE. Similarly, sae_groups parameter is
wpa_supplicant.conf can be used to set the preferred order of groups. By
default, all implemented groups are enabled.
Signed-hostap: Jouni Malinen <j@w1.fi>
In addition to the trivial change in adding the new group ientifier,
this required changes to KDF and random number generation to support
cases where the length of the prime in bits is not a multiple of eight.
The binary presentation of the value needs to be shifted so that the
unused most significant bits are the zero padding rather than the extra
bits in the end of the array.
Signed-hostap: Jouni Malinen <j@w1.fi>
In addition to the mandatory group 19 (256-bit random ECP group) add
support for groups 20 (384-bit), 25 (192-bit), and 26 (224-bit).
Signed-hostap: Jouni Malinen <j@w1.fi>
The counter>200 check needs to be done before the continue-on-not-found
case to be effective in stopping this loop.
Signed-hostap: Jouni Malinen <j@w1.fi>
The buffer is set based on maximum group prime length, but pwd-value
needs to be correct length for the negotiated group.
Signed-hostap: Jouni Malinen <j@w1.fi>
This makes the SAE implementation a bit simpler by not having to build
the bignum for group order during execution.
Signed-hostap: Jouni Malinen <j@w1.fi>
hostapd can now be configured to use anti-clogging mechanism based on
the new sae_anti_clogging_threshold parameter (which is
dot11RSNASAEAntiCloggingThreshold in the standard). The token is
generated using a temporary key and the peer station's MAC address.
wpa_supplicant will re-try SAE authentication with the token included if
commit message is rejected with a token request.
Signed-hostap: Jouni Malinen <j@w1.fi>
IEEE Std 802.11-2012, 11.3.8.6.1: If there is a protocol instance for
the peer and it is in Authenticated state, the new Commit Message
shall be dropped if the peer-scalar is identical to the one used in
the existing protocol instance.
Signed-hostap: Jouni Malinen <j@w1.fi>
The enum values for struct sae_data::state now match the protocol
instance states as defined in IEEE Std 802.11-2012, 11.3.8.2.2
Signed-hostap: Jouni Malinen <j@w1.fi>
Add some more functionality for BSS Transition Management:
- advertise support for BSS Transition Management in extended
capabilities element
- add hostapd.conf parameter bss_transition=1 for enabling support
for BSS Transition Management
- add "hostapd_cli disassoc_imminent <STA> <num TBTTs>" for sending
disassociation imminent notifications for testing purposes
- wpa_supplicant: trigger a new scan to find another BSS if the
current AP indicates disassociation imminent (TODO: the old AP needs
to be marked to use lower priority to avoid re-selecting it)
Signed-hostap: Jouni Malinen <j@w1.fi>
Basic support for the 60 GHz band. Neither P2P nor WPS are yet taken
care off. Allows to start AP with very simple config:
network={
ssid="test"
mode=2
frequency=60480
key_mgmt=NONE
}
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
This allows Probe Request frame processing to compare the configured
SSID to the SSID List element in addition to the SSID element.
Signed-hostap: Jouni Malinen <j@w1.fi>
Previously, PMF (protected management frames, IEEE 802.11w) could be
enabled only with a per-network parameter (ieee80211w). The new global
parameter (pmf) can now be used to change the default behavior to be PMF
enabled (pmf=1) or required (pmf=2) for network blocks that do not
override this with the ieee80211w parameter.
Signed-hostap: Jouni Malinen <j@w1.fi>
These values are used with WAPI and CCX and reserving the definitions
here reduces the number of merge conflicts with repositories that
include these functions.
Signed-hostap: Jouni Malinen <j@w1.fi>
This introduces new AKM for SAE and FT-SAE and adds the initial parts
for going through the SAE Authentication frame exchange. The actual SAE
algorithm and new fields in Authentication frames are not yet included
in this commit and will be added separately. This version is able to
complete a dummy authentication with the correct authentication
algorithm and transaction values to allow cfg80211/mac80211 drivers to
be tested (all the missing parts can be handled with
hostapd/wpa_supplicant changes).
Signed-hostap: Jouni Malinen <j@w1.fi>
Try to share most of the cipher information like key and RSC lengths and
suite selector conversions, etc. in wpa_common.c to avoid having similar
code throughout the WPA implementation for handling cipher specific
behavior.
Signed-hostap: Jouni Malinen <j@w1.fi>
wpa_cli p2p_serv_disc_req command can now be used to request WSD
request to be sent to specified or all peers who support WSD.
format: wifi-display <list of roles> <list of subelements>
examples:
p2p_serv_disc_req 00:00:00:00:00:00 wifi-display [source] 2,3,4,5
p2p_serv_disc_req 02:01:02:03:04:05 wifi-display [pri-sink] 3
p2p_serv_disc_req 00:00:00:00:00:00 wifi-display [sec-source] 2
p2p_serv_disc_req 00:00:00:00:00:00 wifi-display [source+sink] 2,3,4,5
p2p_serv_disc_req 00:00:00:00:00:00 wifi-display [source][pri-sink] 2,3,4,5
Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
This commit adds control interface commands and internal storage of
Wi-Fi Display related configuration. In addition, WFD IE is now added
to various P2P frames, Probe Request/Response, and (Re)Association
Request/Response frames. WFD subelements from peers are stored in the
P2P peer table.
Following control interface commands are now available:
SET wifi_display <0/1>
GET wifi_display
WFD_SUBELEM_SET <subelem> [hexdump of length+body]
WFD_SUBELEM_GET <subelem>
Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
This allows both hostapd and wpa_supplicant to be used to derive and
configure keys for GCMP. This is quite similar to CCMP key
configuration, but a different cipher suite and somewhat different rules
are used in cipher selection. It should be noted that GCMP is not
included in default parameters at least for now, so explicit
pairwise/group configuration is needed to enable it. This may change in
the future to allow GCMP to be selected automatically in cases where
CCMP could have been used.
This commit does not included changes to WPS or P2P to allow GCMP to be
used.
Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
The new gas_request and gas_response_get commands can be used to request
arbitary GAS queries to be performed. These can be used with ANQP or
with other (including vendor specific) advertisement protocols.
gas_request <BSSID> <AdvProtoID> [Query]
gas_response_get <addr> <dialog token> [offset,length]
For example, ANQP query for Capability list in interactive wpa_cli
session:
> gas_request 02:00:00:00:01:00 00 000102000101
<3>GAS-RESPONSE-INFO addr=02:00:00:00:01:00 dialog_token=0
status_code=0 resp_len=32
> gas_response_get 02:00:00:00:01:00 00
01011c00010102010501070108010c01dddd0c00506f9a110200020304050607
> gas_response_get 02:00:00:00:01:00 00 0,10
01011c00010102010501
> gas_response_get 02:00:00:00:01:00 00 10,10
070108010c01dddd0c00
> gas_response_get 02:00:00:00:01:00 00 20,10
506f9a11020002030405
> gas_response_get 02:00:00:00:01:00 00 30,2
0607
It should be noted that the maximum length of the response buffer is
currently 4096 bytes which allows about 2000 bytes of the response data
to be fetched with a single gas_response_get command. If the response is
longer, it can be fetched in pieces as shown in the example above.
Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
If 4-way handshake fails due to likely PSK failure or if EAP
authentication fails, disable the network block temporarily. Use longer
duration if multiple consecutive failures are seen.
Signed-hostap: Jouni Malinen <j@w1.fi>
When CONFIG_FIPS=y is used, do not include MD5 in the build and disable
EAPOL-Key frames that use MD5 (WPA/TKIP and dynamic WEP with IEEE
802.1X).
Signed-hostap: Jouni Malinen <j@w1.fi>
When CONFIG_CTRL_IFACE=udp-remote is used, print user frendly PS in
wpa_cli. E.g.,
localhost/wlan0>
192.168.1.1/p2p-wlan-0-0>
Signed-hostap: Janusz Dziedzic <janusz.dziedzic@tieto.com>
wpa_cli can be used now as a client for remote access to ctrl_interface
of wpa_supplicant when UDP and remote options are used.
You can simply run:
wpa_cli -i <hostname>:[port]
wpa_cli -i <IP>:[port]
Signed-hostap: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Add new option for ctrl iface: CONFIG_CTRL_IFACE=udp-remote. This
enables remote access to control interface via UDP port(s). This should
be used for testing purpose only since there is no authentication or
access control on the commands.
Signed-hostap: Janusz Dziedzic <janusz.dziedzic@tieto.com>
If WNM is enabled for the build (CONFIG_WNM=y), add BSS max idle period
information to the (Re)Association Response frame from the AP and parse
this information on the station. For SME-in-wpa_supplicant case, add a
timer to handle periodic transmission of the keep-alive frame. The
actual request for the driver to transmit a frame is not yet
implemented.
Signed-hostap: Jouni Malinen <j@w1.fi>
If the AP indicates support for Hotspot 2.0, show this in the
ctrl_iface commands for BSS table and status.
Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
Add provisional discovery failure ctrl_iface event
(P2P-PROV-DISC-FAILURE) to indicate to the application layer in case of
PD failure.
Signed-off-by: Deepthi Gowri <deepthi@codeaurora.org>
This optional parameter to the BSS command can be used to select which
fields are included in the output to avoid having to parse through
unneeded information and to reduce the buffer size.
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
Remove the GPL notification text from files that were initially
contributed by Atheros Communications or Qualcomm Atheros.
Signed-hostap: Jouni Malinen <j@w1.fi>
This allows HT capabilities overrides on kernels that
support these features.
MCS Rates can be disabled to force to slower speeds when using HT.
Rates cannot be forced higher.
HT can be disabled, forcing an 802.11a/b/g/n station to act like
an 802.11a/b/g station.
HT40 can be disabled.
MAX A-MSDU can be disabled.
A-MPDU Factor and A-MPDU Density can be modified.
Please note that these are suggestions to the kernel. Only mac80211
drivers will work at all. The A-MPDU Factor can only be decreased and
the A-MPDU Density can only be increased currently.
Signed-hostap: Ben Greear <greearb@candelatech.com>
This patch notifies the upper framework that an on-going discovery has
been stopped. This is useful in cases where a p2p_find with a timeout
value initiated by the upper framework has been finished or when the
framework initiated "p2p_find" is stopped by a "p2p_connect".
Signed-hostap: Jithu Jance <jithu@broadcom.com>
This updates a previous patch did more or less the same thing by
providing the qosinfo as a single variable to the driver wrappers.
Signed-hostap: Jason Young <jason.young@dspg.com>
This cleans up the source code and makes it less likely that new AKM
addition misses some needed changes in the future.
Signed-hostap: Jouni Malinen <j@w1.fi>
HT_INFO_OPERATION_MODE_OP_MODE_MASK is used with variables in host
byte order, so it should not be claimed as le16.
Signed-hostap: Jouni Malinen <j@w1.fi>
This cleans up the code a bit by not having to deal with theoretical
possibility of maximum number of EAP methods to be different between
various components in hostapd.
Signed-hostap: Jouni Malinen <j@w1.fi>
Converts from a string to a control request enum when input
from a control interface is received. Will be used by a
subsequent patch.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Control requests will be extended for non-EAP uses later, so it makes
sense to have them be generic. Furthermore, having them defined as an
enum is easier for processing internally, and more generic for control
interfaces that may not use field names. The public ctrl_req_type /
field_name conversion function will be used later by the D-Bus control
interface too.
Signed-off-by: Dan Williams <dcbw@redhat.com>
When a discovery request is received, add the peer to the TDLS peer
cache and send a response containing minimal data. Mandatory IEs in
the discovery response frame will be filled out by the driver.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Cc: Kalyan C Gaddam <chakkal@iit.edu>
This function can be used to clean up local UNIX domain socket files
that may be left over from clients that were previously connected to
wpa_supplicant. At least for now, this is only available for Android
builds.
This adds the basic mechanism for running through network selection:
scan, ANQP fetch, network selection, and connection. Actual rules for
network selection and the creation of the network block are still
missing, but will be added in separate commits.
"hostapd_cli ess_disassoc (STA addr) (URL)" can now be used to send
an ESS Dissassociation Imminent notification to the STA. This event
is shown in wpa_supplicant ctrl_iface monitors (e.g., wpa_cli):
"WNM: ESS Disassociation Imminent - session_info_url=http://example.com/session/"
The new wpa_supplicant.conf file global parameters interworking and
hessid can be used to configure wpa_supplicant to include
Interworking element in Probe Request frames.
GAS/ANQP is a generic protocol and in no way specific to P2P, so move
routines used to build GAS/ANQP frames to a separate file that can be
shared for other uses than just P2P service discovery.
These can be used in some cases with a bitfield having multiple
AKMs enabled (e.g., WPA-PSK and WPA-PSK-SHA256). Address those
cases by checking whether any of the matching AKM are included.
CFLAGS += -DCONFIG_RSN_TESTING in .config and rsn_testing=1 in
hostapd.conf can now be used to enable a testing mode that adds
extensions to RSN element. This can be used to check whether
station implementations are incompatible with future extensions
to the RSN element.
Build options can now be used to replace the location of client
sockets for UNIX domain socket control interface:
CFLAGS += -DCONFIG_CTRL_IFACE_CLIENT_DIR=\"/tmp\"
CFLAGS += -DCONFIG_CTRL_IFACE_CLIENT_PREFIX=\"wpa_ctrl_\"
tdls_prohibit=1 and tdls_prohibit_chan_switch=1 and now be used to
disable use of TDLS or TDLS channel switching in the BSS using
extended cabilities IE as defined in IEEE 802.11z.
CONFIG_WPS_REG_DISABLE_OPEN=y can be used to configure wpa_supplicant
to disable open networks by default when wps_reg command is used to
learn the current AP settings. When this is enabled, there will be a
WPS-OPEN-NETWORK ctrl_iface event and the user will need to explicitly
enable the network (e.g., with "select_network <id>") to connect to
the open network.
The nl80211 driver can report low ACK condition (in fact it reports
complete loss right now only). Use that, along with a config option, to
disconnect stations when the data connection is not working properly,
e.g., due to the STA having went outside the range of the AP. This is
disabled by default and can be enabled with disassoc_low_ack=1 in
hostapd or wpa_supplicant configuration file.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
There is no point in maintaining two almost identical versions
of this parser. Move WPA IE parser into wpa_common.c similarly
to what was already the case with RSN IE parse.
Commit d8d940b746 introduced a regression
that prevented TSN APs from being used with WEP since the AP was
rejected if it advertised WPA or RSN IE when we were configured to use
WEP. Resolve this by checking whether the AP is advertising a TSN, i.e.,
whether the AP allows WEP to be used as a group cipher. If so, allow
the AP to be selected if we are configured to use static WEP or
IEEE 802.1X (non-WPA).
It should be noted that this is still somewhat more restricted in AP
selection than earlier wpa_supplicant branches (0.7.x or older) that
ignore the WPA/RSN IE completely when configured for non-WPA.
This tool can be used to capture IEEE 802.11 frames either from a
monitor interface for realtime capturing or from pcap files for
offline analysis. This version is only adding basic infrastructure for
going through the frames and parsing their headers.
