Reject SET commands with newline characters in the string values
Many of the global configuration parameters are written as strings
without filtering and if there is an embedded newline character in the
value, unexpected configuration file data might be written.
This fixes an issue where wpa_supplicant could have updated the
configuration file global parameter with arbitrary data from the control
interface or D-Bus interface. While those interfaces are supposed to be
accessible only for trusted users/applications, it may be possible that
an untrusted user has access to a management software component that
does not validate the value of a parameter before passing it to
wpa_supplicant.
This could allow such an untrusted user to inject almost arbitrary data
into the configuration file. Such configuration file could result in
wpa_supplicant trying to load a library (e.g., opensc_engine_path,
pkcs11_engine_path, pkcs11_module_path, load_dynamic_eap) from user
controlled location when starting again. This would allow code from that
library to be executed under the wpa_supplicant process privileges.
Reject SET_CRED commands with newline characters in the string values
Most of the cred block parameters are written as strings without
filtering and if there is an embedded newline character in the value,
unexpected configuration file data might be written.
This fixes an issue where wpa_supplicant could have updated the
configuration file cred parameter with arbitrary data from the control
interface or D-Bus interface. While those interfaces are supposed to be
accessible only for trusted users/applications, it may be possible that
an untrusted user has access to a management software component that
does not validate the credential value before passing it to
wpa_supplicant.
This could allow such an untrusted user to inject almost arbitrary data
into the configuration file. Such configuration file could result in
wpa_supplicant trying to load a library (e.g., opensc_engine_path,
pkcs11_engine_path, pkcs11_module_path, load_dynamic_eap) from user
controlled location when starting again. This would allow code from that
library to be executed under the wpa_supplicant process privileges.
Paul Stewart [Thu, 3 Mar 2016 23:40:19 +0000 (15:40 -0800)]
Remove newlines from wpa_supplicant config network output
Spurious newlines output while writing the config file can corrupt the
wpa_supplicant configuration. Avoid writing these for the network block
parameters. This is a generic filter that cover cases that may not have
been explicitly addressed with a more specific commit to avoid control
characters in the psk parameter.
Jouni Malinen [Fri, 4 Mar 2016 16:46:41 +0000 (18:46 +0200)]
Reject psk parameter set with invalid passphrase character
WPA/WPA2-Personal passphrase is not allowed to include control
characters. Reject a passphrase configuration attempt if that passphrase
includes an invalid passphrase.
This fixes an issue where wpa_supplicant could have updated the
configuration file psk parameter with arbitrary data from the control
interface or D-Bus interface. While those interfaces are supposed to be
accessible only for trusted users/applications, it may be possible that
an untrusted user has access to a management software component that
does not validate the passphrase value before passing it to
wpa_supplicant.
This could allow such an untrusted user to inject up to 63 characters of
almost arbitrary data into the configuration file. Such configuration
file could result in wpa_supplicant trying to load a library (e.g.,
opensc_engine_path, pkcs11_engine_path, pkcs11_module_path,
load_dynamic_eap) from user controlled location when starting again.
This would allow code from that library to be executed under the
wpa_supplicant process privileges.
Jouni Malinen [Fri, 4 Mar 2016 15:24:29 +0000 (17:24 +0200)]
tests: wpa_supplicant config file parsing/writing with WPS
This verifies that a WPA2PSK passphrase with control characters gets
rejected in a WPS Credential and that control characters in SSID get
written as a hexdump.
Jouni Malinen [Fri, 4 Mar 2016 15:20:18 +0000 (17:20 +0200)]
WPS: Reject a Credential with invalid passphrase
WPA/WPA2-Personal passphrase is not allowed to include control
characters. Reject a Credential received from a WPS Registrar both as
STA (Credential) and AP (AP Settings) if the credential is for WPAPSK or
WPA2PSK authentication type and includes an invalid passphrase.
This fixes an issue where hostapd or wpa_supplicant could have updated
the configuration file PSK/passphrase parameter with arbitrary data from
an external device (Registrar) that may not be fully trusted. Should
such data include a newline character, the resulting configuration file
could become invalid and fail to be parsed.
nl80211: Try running without mgmt frame subscription (driver AP SME)
One of supported code paths already allows this scenario. It is used if
driver doesn't report NL80211_ATTR_DEVICE_AP_SME and doesn't support
monitor interface. In such situation:
1) We don't quit if subscribing for WLAN_FC_STYPE_PROBE_REQ fails
2) We don't try subscribing for WLAN_FC_STYPE_ACTION
3) We fallback to AP SME mode after failing to create monitor interface
4) We don't quit if subscribing for WLAN_FC_STYPE_PROBE_REQ fails
Above scenario is used, e.g., with brcmfmac. As you can see - thanks to
events provided by cfg80211 - it's not really required to receive Probe
Request or action frames.
However, the previous implementation did not allow using hostapd with
drivers that:
1) Report NL80211_ATTR_DEVICE_AP_SME
2) Don't support subscribing for PROBE_REQ and/or ACTION frames
In case of using such a driver hostapd will cancel setup after failing
to subscribe for WLAN_FC_STYPE_ACTION. I noticed it after setting flag
WIPHY_FLAG_HAVE_AP_SME in brcmfmac driver for my experiments.
This patch allows working with such drivers with just a small warning
printed as debug message.
WPS: Explicitly clear wpabuf memory with key information
This reduces duration that private keying material might remain in the
process memory by clearing wpabuf data used in WPS operations when there
is possibility of the buffer including keys or related material.
tests: Test configuration propagation to group interface
When a dedicated P2P Device interface is used, its configuration should
be cloned to the group interface. Add a test that covers this both when
a separate group interface is used and not.
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
P2P: Copy config from p2pdev when not using dedicated group interface
When the P2P Device interface is used and an existing interface is used
for P2P GO/Client, the P2P Device configuration was not cloned to the
configuration of the existing interface. Thus, configuration parameters
such as idle_group_time, etc., were not propagated to the P2P GO/Client
interface.
Handle this by copying all configuration parameters of the P2P device
interface to the reused interface, with the following exceptions:
1. Copy the NFC key data only if it was not set in the configuration
file.
2. The WPS string fields are set only if they were not previously set
in the configuration of the destination interface (based on the
assumption that these fields should be identical among all
interfaces).
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Use the p2pdev pointer instead of the parent pointer to comply with the
flows when a dedicated P2P Device interface is used and
p2p_no_group_iface == 1 (in which case the parent of the reused
interface isn't necessary the same as p2pdev).
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Some environments define default system wide HTTP proxy. Using default
system configuration may result in a failure to open some HTTP URLs. Fix
this by ensuring that no proxies are used.
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Ilan Peer [Thu, 7 Apr 2016 10:32:02 +0000 (13:32 +0300)]
tests: Parse group results in a couple of p2p_channel tests
In p2p_channel_vht80_autogo and p2p_channel_vht80p80_autogo, parse the
P2P-GROUP-STARTED event prior to calling the group_request() method, as
otherwise the group ifname is not set.
tests: Modify use of GET command to support P2P Device interface
Support configurations that use a dedicated P2P Device interface by
using the global control interface and specifying the interface name for
the GET commands fetching the ip_addr_go parameter.
tests: persistent_group_profile_add to support P2P Device interface
Modify the persistent_group_profile_add test to support configurations
that use a dedicated P2P Device interface by sending the ADD_NETWORK and
SET_NETWORK commands on the global control interface and specifying the
P2P Device interface name.
tests: Store P2P Device ifname in class WpaSupplicant
Add an attribute to class WpaSupplicant with the name of the
P2P Device interface. If a separate interface is not used for
P2P Device, this attribute will hold the name of the only used
interface (with functions also as the P2P Device management
interface).
This attribute will be used to direct P2P related commands to the
P2P Device interface, which is needed for configurations that use
a separate interface for the P2P Device.
tests: Modify p2p_msg_long_ssid to support P2P Device interface
Waiting for the P2P-DEVICE-FOUND event should be done on the global
control interface to support configurations that use a dedicated P2P
Device interface.
tests: Modify autogo_scan to support P2P Device interface
Support configurations that use a dedicated P2P Device interface by
sending the P2P_CONNECT command on the global control interface.
In addition, when a dedicated P2P Device interface is used, there is no
need to manually respond to the Provision Discovery Request since the
request is processed by the P2P Device interface and this interface was
not set for external RX management frames handling.
Janusz Dziedzic [Thu, 7 Apr 2016 05:38:05 +0000 (07:38 +0200)]
tests: Remove direct HostapdGlobal() use
Use hostapd.add_ap() and hostapd.remove_bss() to avoid direct
HostapdGlobal() use in some of the dynamic AP test cases to make them
more usable for testing with remote hosts.
Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Janusz Dziedzic [Thu, 7 Apr 2016 05:38:02 +0000 (07:38 +0200)]
tests: Pass apdev to hostapd.add_bss()
Pass apdev param to hostapd.add_bss(). Kill hardcoded phy param and get
phy base on apdev. These are needed to support operation with a remote
test host.
Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
WNM: Fetch scan results before checking transition candidates
On receiving a WNM BSS Transition Management Request frame with a
candidate list, fetch the latest scan results from the kernel to see if
there are any recent scan results for the candidates and initiate a
connection if found. This helps to avoid triggering a new scan in cases
where a scan initiated by something else (e.g., an internal beacon
measurement report functionality in a driver) has processed Beacon or
Probe Response frames without wpa_supplicant having received a
notification of such an update yet.
Use a shared helper function for parsing hostapd.conf IEs
wpabuf_parse_bin() can be used to take care of parsing a hexstring to a
wpabuf and a shared helper function can take care of clearing the
previous value when empty string is used.
This new parameter allows hostapd to add Vendor Specific elements into
(Re)Association Response frames similarly to the way vendor_elements
parameter can be used for Beacon and Probe Response frames.
The OpenSSL 1.1.0 Beta 2 release made DH opaque and that broke
compilation of crypto_openssl.c. Fix this by using the new accessor
functions when building against OpenSSL 1.1.0 or newer.
Commit 66d464067d626cc64c5a543a8f91fe58727f4e5e ('FT: Register RRB
l2_packet only if FT-over-DS is enabled') disabled RRB l2_packet socket
if ft_over_ds is disabled, but this socket is required for FT
over-the-air, too (FT key distribution). Enable the socket regardless of
ft_over_ds setting if FT is enabled.
Marcin Niestroj [Mon, 11 Apr 2016 12:55:35 +0000 (14:55 +0200)]
systemd: Update service files according to D-Bus interface version
systemd service files were supplied with old D-Bus bus name. After
service activation systemd was waiting for appearance of specified bus
name to consider it started successfully. However, if wpa_supplicant was
compiled only with the new D-Bus interface name, systemd didn't notice
configured (old) D-Bus bus name appearance. In the end, service was
considered malfunctioning and it was deactivated.
Update systemd service BusName property according to supported D-Bus
interface version.
Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com>
Sunil Dutt [Tue, 22 Mar 2016 16:43:16 +0000 (22:13 +0530)]
Assign QCA vendor command/attributes for set/get wifi configuration
This adds QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION and
QCA_NL80211_VENDOR_SUBCMD_GET_WIFI_CONFIGURATION and the attributes used
with these commands.
P2P: Add P2P_GROUP_MEMBER command to fetch client interface address
This allows local GO to fetch the P2P Interface Address of a P2P Client
in the group based on the P2P Device Address for the client. This
command should be sent only on a group interface (the same peer may be
in multiple concurrent groups).
Lior David [Sun, 10 Apr 2016 14:10:22 +0000 (17:10 +0300)]
P2P: Trigger event when invitation is accepted
Trigger an event when wpa_supplicant accepts an invitation to re-invoke
a persistent group. Previously wpa_supplicant entered group formation
without triggering any specific events and it could confuse clients,
especially when operating with a driver that does not support
concurrency between P2P and infrastructure connection.
Signed-off-by: Lior David <qca_liord@qca.qualcomm.com>
The os_snprintf() call here cannot really fail in practice, but since
its result was stored into the local variable and not checked, static
analyzers could warn about the unused assignment. Clean this up by
checking the return value.
David Spinadel [Wed, 6 Apr 2016 16:42:19 +0000 (19:42 +0300)]
tests: Add RRM tests
1. Add tests for hostapd neighbor database and neighbor report and
request. Remove the partial neighbor report request test from
test_wpas_ctrl.py since they are now covered more completely in
test_rrm.py.
2. Add LCI request test.
3. Add FTM range request signaling test. This covers only the control
interface commands and measurement request/response exchange for now.
Full end-to-end functionality requires support of station reporting
RRM capability.
Signed-off-by: David Spinadel <david.spinadel@intel.com>
David Spinadel [Wed, 6 Apr 2016 16:42:13 +0000 (19:42 +0300)]
wpa_supplicant: Handle LCI request
Handle radio measurement request that contains LCI request. Send
measurement report based on a configurable LCI report element. The LCI
report element is configured over the control interface with
SET lci <hexdump of the element>
and cleared with
SET lci ""
Signed-off-by: David Spinadel <david.spinadel@intel.com>
David Spinadel [Wed, 6 Apr 2016 16:42:12 +0000 (19:42 +0300)]
hostapd: Add FTM range request
Add FTM range request via RRM. The AP sends Radio measurement request
with FTM range request as a request for the receiving STA to send FTM
requests to the given list of APs. The neighbor report part of the
request is taken from the neighbor database.
dst addr: MAC address of an associated STA
rand_int: Randomization Interval (0..65535) in TUs
min_ap: Minimum AP Count (1..15); minimum number of requested FTM ranges
between the associated STA and the listed APs
responder: List of BSSIDs for neighboring APs for which a measurement
is requested
Signed-off-by: David Spinadel <david.spinadel@intel.com>
David Spinadel [Wed, 6 Apr 2016 16:42:07 +0000 (19:42 +0300)]
hostapd: Add a database of neighboring APs
Add a configurable neighbor database that includes the content of
Nighbor Report element, LCI and Location Civic subelements and SSID.
All parameters for a neighbor must be updated at once; Neighbor Report
element and SSID are mandatory, LCI and civic are optional. The age of
LCI is set to the time of neighbor update.
The control interface API is:
SET_NEIGHBOR <BSSID> <ssid=SSID> <nr=data> [lci=<data>] [civic=<data>]
To delete a neighbor use:
REMOVE_NEIGHBOR <BSSID> <SSID>
Signed-off-by: David Spinadel <david.spinadel@intel.com>
David Spinadel [Wed, 6 Apr 2016 16:42:06 +0000 (19:42 +0300)]
hostapd: Extend the configuration of RRM capabilities
Extend the radio_measurements parameter to save all the supported
RRM capabilities as it's used in RM enabled capabilities element.
Make this parameter not directly configurable via config file (though,
keep the radio_measurements parameter for some time for backwards
compatibility). Instead, add a configuration option to enable neighbor
report via radio measurements. Other features can be added later as
well.
Signed-off-by: David Spinadel <david.spinadel@intel.com>
David Spinadel [Wed, 6 Apr 2016 16:42:05 +0000 (19:42 +0300)]
tests: Update NEIGHBOR_REP_REQUEST format
Use quotation marks to match the new SSID encoding format in the
NEIGHBOR_REP_REQUEST command. In this specific test case, the exact SSID
value did not make any difference for behavior. The previous version
ended up getting decoded as a hexstring after the NEIGHBOR_REP_REQUEST
format change. The new version goes back to the ASCII string version of
"abcdef".
Signed-off-by: David Spinadel <david.spinadel@intel.com>
David Spinadel [Wed, 6 Apr 2016 16:42:05 +0000 (19:42 +0300)]
wpa_supplicant: Add LCI and civic request to Neighbor Report Request
Add an option to request LCI and Location Civic Measurement in Neighbor
Report Request frame, as described in IEEE P802.11-REVmc/D5.0, 9.6.7.6.
Note: This changes the encoding format of the NEIGHBOR_REP_REQUEST
ssid=<val> parameter. This used to be parsed as raw SSID data which is
problematic for accepting additional parameters. The new encoding allows
either a string within double-quotation marks or a hexdump of the raw
SSID.
Thew new format:
NEIGHBOR_REP_REQUEST [ssid=<SSID>] [lci] [civic]
Signed-off-by: David Spinadel <david.spinadel@intel.com>
David Spinadel [Wed, 6 Apr 2016 16:42:04 +0000 (19:42 +0300)]
utils: Add ssid_parse() function
Add a function that parses SSID in text or hex format. In case of the
text format, the SSID is enclosed in double quotes. In case of the hex
format, the SSID must include only hex digits and not be enclosed in
double quotes. The input string may include other arguments after the
SSID.
Signed-off-by: David Spinadel <david.spinadel@intel.com>
Add POLL_STA command to check connectivity in AP mode
The hostapd "POLL_STA <addr>" control interface command can be used to
check whether an associated station ACKs a QoS Data frame. The received
ACK for such a frame is reported as an event message ("AP-STA-POLL-OK
<addr>").
Allow AP to disconnect STA without sending Deauth/Disassoc frame
The optional tx=0 parameter can be added to the hostapd
DEAUTHENTICATE/DISASSOCIATE command to request disconnection without
transmitting the Deauthentication/Disassociation frame to the STA.
Matti Gottlieb [Wed, 6 Apr 2016 14:14:41 +0000 (17:14 +0300)]
HS 2.0: Add support for configuring frame filters
When a station starts an association to a Hotspot 2.0 network, request
the driver to do the following, based on the BSS capabilities:
1. Enable gratuitous ARP filtering
2. Enable unsolicited Neighbor Advertisement filtering
3. Enable unicast IP packet encrypted with GTK filtering if
DGAF disabled bit is zero
Clear the filter configuration when the station interface is
disassociated.
Signed-off-by: Matti Gottlieb <matti.gottlieb@intel.com>
AP: Pass station P2P PS capabilities info during station add/set
If a legacy client with no P2P PS support is trying to connect to
a P2P GO, the driver should know that, and change its PS behavior
accordingly.
Add a parameter to hostapd_sta_add_params() indicating if P2P PS is
supported by the station and pass this parameter to kernel with nl80211
driver when the station is added/set.
projects / thirdparty / hostap.git / log
