Use a temporary PTK buffer during 4-way handshake when rekeying PTK
so that the new EAPOL-Key frame MIC values are checked against the
new PTK and frames are decrypted using the old PTK. Take the new
PTK into use once msg 4/4 is processed and clear RSC counters at
that point (including moving of RSC update to avoid setting RSC
based on the msg 4/4).
In addition, add a workaround to handle supplicant implementations that
set Secure bit to one during PTK rekeying 4-way handshake in msg 2/4.
This was previously assumed to be msg 4/4, but the key data contents
can be used to figure out whether this is msg 2/4 even if the Secure
bit is set to one.
Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
P2P IE was incorrectly added in wpa_supplicant AP mode even if P2P
function was not actually enabled.
Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
When wpa_supplicant AP mode is used, WPS was enabled by default
regardless of security mode. This is not desired for WEP, so change
the AP configuration to enable WPS only for open and WPA/WPA2-Personal
networks.
Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
Commit c2ff13c533 broke this with a
copy-paste typo that ended up adding the Probe Request P2P IE into the
Beacon frame (i.e., Beacon frame had two P2P IEs while Probe Response
had none).
Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
Avoid zero-length memset at the end of the buffer. This is not really
needed, but it makes the code a bit easier for static analyzers.
Signed-hostap: Jouni Malinen <j@w1.fi>
Avoid zero-length memset at the end of the buffer. This is not really
needed, but it makes the code a bit easier for static analyzers.
Signed-hostap: Jouni Malinen <j@w1.fi>
Explicitly validate data_len so that static analyzers do not get
confused about the padlen validation. This is not really needed, but it
makes the code a bit easier for static analyzers.
Signed-hostap: Jouni Malinen <j@w1.fi>
Explicitly validate seed_len to skip memset call with zero length
of copied data at the end of the buffer. This is not really needed,
but it makes the code a bit easier for static analyzers.
Signed-hostap: Jouni Malinen <j@w1.fi>
data->phase2_method cannot really be NULL if
eap_fast_init_phase2_method() returns success, but this construction
seems to be too difficult for some static analyzers. While this change
is not really needed in practice, it makes it easier to go through
warnings from such analyzers.
Signed-hostap: Jouni Malinen <j@w1.fi>
hapd->time_adv cannot really be NULL if hostapd_update_time_adv()
returns success, but this construction seems to be too difficult
for some static analyzers. While this change is not really needed
in practice, it makes it easier to go through warnings from such
analyzers.
Signed-hostap: Jouni Malinen <j@w1.fi>
md->curlen cannot indicate full buffer size here since the buffered
data is processed whenever the full block size of data is available.
Avoid invalid warnings from static analyzers on memcpy() outside the
buffer length by verifying that curlen is smaller than block size.
Signed-hostap: Jouni Malinen <j@w1.fi>
This function can fail in theory since the SHA-1 functions are
allowed to return an error. While this does not really happen in
practice (we would not get this far if SHA-1 does not work), it is
cleaner to include the error handling here to keep static analyzers
happier. [Bug 421]
Signed-hostap: Jouni Malinen <j@w1.fi>
This has been obsoleted by the more generic Linux WEXT (driver_wext.c)
support. The hostap and madwifi driver wrappers can now be used only
with hostapd. The old station interface remains available in releases up
to 1.x.
Signed-hostap: Jouni Malinen <j@w1.fi>
The driver wrappers broadcom, iphone, osx, and ralink have not been
maintained for a while and it does not look like they will be in the
future either. As such, remove them from the development branch. The
previous versions will be included in older releases up to 1.x.
Signed-hostap: Jouni Malinen <j@w1.fi>
Reassemble partial TLS records to make the internal TLS client
implementation more convenient for stream sockets.
Signed-hostap: Jouni Malinen <j@w1.fi>
The padding validation was done on the last padding-length octets in the
buffer which misses the first padding octet (the last octet is the
padding length). Fix the starting offset for the comparison loop to get
the first octet verified. [Bug 420]
Signed-hostap: Jouni Malinen <j@w1.fi>
Return number of user input bytes from tlsv1_record_receive() to
move this detail into the proper record layer processing. In addition,
ignore unknown content types at record layer and allow processing to
continue after warning level TLS alerts to provide minimal workaround
for closure alerts.
Signed-hostap: Jouni Malinen <j@w1.fi>
Instead of trying to remember to add wpa_msg() calls for every possible
path where a STA becomes authorized or unauthorized, use
ap_sta_set_authorized() to send these events more consistently.
Signed-hostap: Jouni Malinen <j@w1.fi>
wpa_msg() has to use hapd->msg_ctx instead of hapd as the context
pointer to work properly in wpa_supplicant AP mode.
Signed-hostap: Jouni Malinen <j@w1.fi>
Currently, there is no events over the control interface
when a AP disconnects a station due to inactivity. With
this patch, an "AP-STA-DISCONNECTED" event will be sent.
Signed-hostap: Nicolas Cavallari <nicolas.cavallari@lri.fr>
Use a driver_ndis.c specific initialization function to fill in the
wpa_driver_ops information to make it easier to modify struct
wpa_driver_ops in the future. Being able to build driver_ndis.c
with MSVC was the only reason for having to maintain the same order
of function pointers in struct wpa_driver_ops and for having to
update driver_ndis.c for all changes in that structure.
Signed-hostap: Jouni Malinen <j@w1.fi>
This code has not been maintained for years and there is no plan on
doing so either in the future. The Qt4-based wpa_gui-qt4 version can be
used as a replacement for this older wpa_gui version.
Signed-hostap: Jouni Malinen <j@w1.fi>
This is a separate tool for preparing source code files for Doxygen.
It does not need to be distributed with hostap.git and it can now be
downloaded separately from http://w1.fi/tools/kerneldoc2doxygen-hostap.pl
by anyone who wants to build the developers' documents with Doxygen.
Signed-hostap: Jouni Malinen <j@w1.fi>
wpa_supplicant_rsn_preauth_scan_results() needs to be called to
update RSN pre-authentication candidates. This cannot be done before
the wpa_supplicant_connect() call on the first association, but when
trying to figure out whether to roam, it is fine to do so for the
case when roaming is skipped.
Signed-hostap: Jouni Malinen <j@w1.fi>
The GTK is renewed in the hostapd after a MIC attack dissassociation
without informing the driver, causing decryption failures. This patch
sends the new GTK/IGTK to the driver after it is updated by the hostapd.
Signed-off-by: Yoni Divinsky <yoni.divinsky@ti.com>
When the supplicant acts as a registrar to learn the access point
parameters send the credentials to the wpa_cli interface after
receiving the 7th message. This is needed for proper behavior with
wps_cred_processing set to 1 or 2.
Without this patch, after the 7th message you got the WPS-CRED-RECEIVED
notification without the credentials. This was because the cred_attr and
cred_attr_len were not filled in in the wps structure.
Signed-off-by: Olivier Sobrie <olivier@sobrie.be>
In scan.c, merge a channel's noise value into the scan results. When
comparing scan results, compute the signal-to-noise ratio and use it
when available. Prefer a 5 GHz network if its SNR is really big (> 30)
or if its SNR is relatively close to the other network's.
Some stations have been reported to send EAPOL-Key Error Reports
indicating Michael MIC failures even when the cipher is not TKIP
(e.g., when the network is using only CCMP). Ignore such reports
to avoid starting TKIP countermeasures unnecessarily. This can
prevent certaint types of denial of service attacks by insiders,
but mostly this is to work around invalid station implementations.
Signed-hostap: Jouni Malinen <j@w1.fi>
