Commit graph

215 commits

Author SHA1 Message Date
Jouni Malinen
a3e18dbb6a FT: Support variable length keys
This is a step in adding support for SHA384-based FT AKM.

Signed-off-by: Jouni Malinen <j@w1.fi>
2018-06-05 19:29:52 +03:00
Jouni Malinen
97302b39dc wlantest: Try harder to find a STA entry with PTK for 4-address frames
Commit aab6612836 ('wlantest: Search
bss/sta entry more thoroughly for 4-address frames') allowed wlantest to
find a STA entry in this type of cases, but it was still possible for
that STA entry to be the one that has no derived PTK while the STA entry
for the other side of the link might have the derived PTK available.

Extend this BSS/STA selection mechanism to use sta->ptk_set to determine
which STA entry is more useful for decryption, i.e., select the one with
a known PTK.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2017-12-08 21:54:40 +02:00
Jouni Malinen
aab6612836 wlantest: Search bss/sta entry more thoroughly for 4-address frames
Previous design worked for the case where only one of the devices was
beaconing, but failed in one direction to find the PTK if both devices
beaconed. Fix this by checking the A1/A2 fields in both directions if
the first pick fails to find the sta entry.

In addition, select the proper rsc value (rsc_tods vs. rsc_fromds) based
on A2 (TA) value for ToDS+FromDS frames to avoid reporting incorrect
replay issues.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2017-11-15 02:12:20 +02:00
Jouni Malinen
878723b920 wlantest: Do not ignore RSN/WPA/OSEN element before full BSS info
wlantest used to ignore RSN/WPA/OSEN element in (Re)Association Request
frame if no Beacon frame had been seen from the AP before the
association exchange. This could result in not being able to derive keys
properly. Work around this by skipping that step if the BSS entry is not
yet complete.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2017-11-14 12:55:48 +02:00
Jouni Malinen
5420bcf477 wlantest: Remove unnecessary duplication of tk_len from STA entries
The length of the TK is available within struct wpa_ptk, so there is no
need to try to maintain it separately in wlantest.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2017-11-14 12:54:45 +02:00
Jouni Malinen
4158b80eef wlantest: Do not update RSC on replays
This changes wlantest behavior to mark CCMP/TKIP replays for more cases
in case a device is resetting its TSC. Previously, the RSC check got
cleared on the first marked replay and the following packets were not
marked as replays if they continued incrementing the PN even if that PN
was below the highest value received with this key at some point in the
past.

Signed-off-by: Jouni Malinen <j@w1.fi>
2017-10-16 13:11:36 +03:00
Jouni Malinen
e45f2e8ad5 wlantest: Add support for decrypting 4-address Data frames
This covers the case where 4-address Data frames are exchanged between
an AP and an associated station.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2017-10-06 12:15:30 +03:00
Jouni Malinen
4cada9dcc1 FILS: Add DHss into FILS-Key-Data derivation when using FILS SK+PFS
This part is missing from IEEE Std 802.11ai-2016, but the lack of DHss
here means there would not be proper PFS for the case where PMKSA
caching is used with FILS SK+PFS authentication. This was not really the
intent of the FILS design and that issue was fixed during REVmd work
with the changes proposed in
https://mentor.ieee.org/802.11/dcn/17/11-17-0906-04-000m-fils-fixes.docx
that add DHss into FILS-Key-Data (and PTK, in practice) derivation for
the PMKSA caching case so that a unique ICK, KEK, and TK are derived
even when using the same PMK.

Note: This is not backwards compatible, i.e., this breaks PMKSA caching
with FILS SK+PFS if only STA or AP side implementation is updated.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2017-09-13 22:17:58 +03:00
Jouni Malinen
c72df3c67c wlantest: FILS keys and (Re)Association Request/Response frames
Try to derive PTK when FILS shared key authentication is used without
PFS. The list of available PMKs is interpreted as rMSK for this purpose
and PMK and PTK is derived from that. If the resulting PTK (KEK) can be
used to decrypt the encrypted parts of (Re)Association Request/Response
frames, mark the PTK as derived so that encrypted frames during the
association can be decrypted. In addition, write a decrypted version of
the (Re)Association Request/Response frames into the output file.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2017-09-05 19:05:16 +03:00
Jouni Malinen
6c29d95a90 wlantest: Support variable length PMK
This is needed to be able to handle key derivation for FILS
authentication.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2017-09-05 19:05:15 +03:00
Jouni Malinen
4675ba1d67 wlantest: Build helper files with FILS support included
wlantest needs this for being able to decrypt FILS (Re)Association
Request/Response frames.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2017-09-05 18:59:41 +03:00
Jouni Malinen
567da5bbd0 DPP: Add new AKM
This new AKM is used with DPP when using the signed Connector to derive
a PMK. Since the KCK, KEK, and MIC lengths are variable within a single
AKM, this needs number of additional changes to get the PMK length
delivered to places that need to figure out the lengths of the PTK
components.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2017-06-19 21:13:17 +03:00
Jouni Malinen
dd4722df9b wlantest: Fix pcapng writer to include decrypted EAPOL-Key Key Data
This was only written to pcapng files if both pcap and pcapng writing
was requested. Fix this for the case where only a pcapng file is being
written.

Signed-off-by: Jouni Malinen <j@w1.fi>
2017-03-26 21:13:21 +03:00
Jouni Malinen
faf0fef1dc wlantest: Fix EAPOL-Key Key Data padding removal
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2017-03-26 21:13:19 +03:00
Jouni Malinen
f58afccddd wlantest: Add initial support for FT-EAP decryption
Add second half of MSK as XXKey for FT-EAP.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2017-03-26 21:13:17 +03:00
Jouni Malinen
19e7ddf7fb wlantest: Fix EAPOL buffer length with variable MIC length
struct wpa_eapol_key does not include the MIC field anymore, so need to
add it explicitly.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2017-03-26 21:13:10 +03:00
Johannes Berg
a1f11e34c4 Use os_memdup()
This leads to cleaner code overall, and also reduces the size
of the hostapd and wpa_supplicant binaries (in hwsim test build
on x86_64) by about 2.5 and 3.5KiB respectively.

The mechanical conversions all over the code were done with
the following spatch:

    @@
    expression SIZE, SRC;
    expression a;
    @@
    -a = os_malloc(SIZE);
    +a = os_memdup(SRC, SIZE);
    <...
    if (!a) {...}
    ...>
    -os_memcpy(a, SRC, SIZE);

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2017-03-07 13:19:10 +02:00
Jouni Malinen
95de34a10a Remove trailing whitespace
Signed-off-by: Jouni Malinen <j@w1.fi>
2016-12-28 14:31:42 +02:00
Jouni Malinen
555ff857dd wlantest: Recognize EAPOL-Key frames without MIC bit for FILS
The new AEAD AKM option in FILS sets the MIC bit in EAPOL-Key frames to
0 for some ciphers, so the determination of EAPOL-Key frame types needs
changes to work with these cases.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2016-10-10 21:11:46 +03:00
Jouni Malinen
6d014ffc6e Make struct wpa_eapol_key easier to use with variable length MIC
Suite B 192-bit addition from IEEE Std 802.11ac-2013 replaced the
previous fixed length Key MIC field with a variable length field. That
change was addressed with an addition of a new struct defined for the
second MIC length. This is not really scalable and with FILS coming up
with a zero-length MIC case for AEAD, a more thorough change to support
variable length MIC is needed.

Remove the Key MIC and Key Data Length fields from the struct
wpa_eapol_key and find their location based on the MIC length
information (which is determined by the AKMP). This change allows the
separate struct wpa_eapol_key_192 to be removed since struct
wpa_eapol_key will now include only the fixed length fields that are
shared with all EAPOL-Key cases in IEEE Std 802.11.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2016-10-10 21:11:46 +03:00
Jouni Malinen
e2991ee580 Move CRC-32 routine from wlantest to src/utils
This allows the CRC-32 routine to be shared for other purposes in
addition to the WEP/TKIP/FCS within wlantest.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2016-10-09 17:13:23 +03:00
Jouni Malinen
0df12cbddc IEEE P802.11ah/D10.0 PV1 CCMP test vectors
Extend wlantest test_vectors to calculate test vectors for P802.11ah
Annex J.6.4.

Signed-off-by: Jouni Malinen <j@w1.fi>
2016-09-23 17:49:33 +03:00
Jouni Malinen
6d07e76020 wlantest: Use local ETH_P_IP define instead of linux/if_ether.h
There is no strong need for pulling in linux/if_ether.h here since all
that is needed if ETH_P_IP and we already cover multiple other ETH_P_*
values in utils/common.h.

Signed-off-by: Jouni Malinen <j@w1.fi>
2016-03-26 11:35:30 +02:00
Jouni Malinen
9231c2476f wlantest: Fix bip_protect() memory allocation
The addition operator is of higher precedence than the ternary
conditional and the construction here needs to use parentheses to
calculate the buffer length properly when generating test frames with
BIP protection.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2016-03-14 18:42:46 +02:00
Jouni Malinen
e929eb39d6 wlantest: Add -N command line argument to remove write buffering
This makes it easier to do live parsing of captured pcap files from
wlantest without having to rename and restart the capture file. Packet
writes are flushed to disk after each packet if -N is included in the
command line.

Signed-off-by: Jouni Malinen <j@w1.fi>
2015-11-27 00:10:53 +02:00
Jouni Malinen
3fb62bdae9 wlantest: Add support for FT-PSK initial association key derivation
This adds minimal support for deriving keys for FT-PSK to allow the
initial mobility domain association to be analyzed in more detail.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2015-08-06 20:47:25 +03:00
Jouni Malinen
7d2736795a wlantest: Fix a copy-paste error in a debug message
Signed-off-by: Jouni Malinen <j@w1.fi>
2015-05-24 13:44:42 +03:00
Mikael Kanstrup
8b423edbd3 Declare all read only data structures as const
By analysing objdump output some read only structures were found in
.data section. To help compiler further optimize code declare these
as const.

Signed-off-by: Mikael Kanstrup <mikael.kanstrup@sonymobile.com>
2015-04-25 17:33:06 +03:00
Jouni Malinen
b39a05913a Simplify Timeout Interval element parsing
Remove the length field from struct ieee802_11_elems since the only
allowed element length is five and that is checked by the parser.

Signed-off-by: Jouni Malinen <j@w1.fi>
2015-04-22 22:05:11 +03:00
Jouni Malinen
d4c4ec9240 wlantest: Verify FTIE length before checking MIC
tdls_verify_mic() and tdls_verify_mic_teardown() could have tried to
read the 16-octet FTIE MIC when processing a TDLS frame even if the
received FTIE is truncated. At least in theory, this could result in
reading couple of octets beyond the frame buffer.

Signed-off-by: Jouni Malinen <j@w1.fi>
2015-04-22 11:44:19 +03:00
Jouni Malinen
762a0bfb01 wlantest: Fix Beacon and Probe Response frame parser
These functions did not verify that the received frame is long enough to
contain the beginning of the variable length IE area. A truncated frame
could have caused a segmentation fault due to reading beyond the buffer.

Signed-off-by: Jouni Malinen <j@w1.fi>
2015-04-22 11:44:19 +03:00
Jouni Malinen
5e3b5197cc Add Suite B 192-bit AKM
WPA-EAP-SUITE-B-192 can now be used to select 192-bit level Suite B into
use as the key management method.

Signed-off-by: Jouni Malinen <j@w1.fi>
2015-01-27 01:43:52 +02:00
Jouni Malinen
98cd3d1c3b Preparations for variable length KCK and KEK
This modifies struct wpa_ptk to allow the length of KCK and KEK to be
stored. This is needed to allow longer keys to be used, e.g., with
Suite B 192-bit level.

Signed-off-by: Jouni Malinen <j@w1.fi>
2015-01-27 01:26:49 +02:00
Jouni Malinen
0e1aa64dba wlantest: Extend BIP validation to support GMAC-128 and GMAC-256
Signed-off-by: Jouni Malinen <j@w1.fi>
2015-01-24 19:37:42 +02:00
Jouni Malinen
cd3b5cc079 wlantest: New mgmt_group_cipher values for BSS info and debug log
This adds BIP-GMAC-128, BIP-GMAC-256, and BIP-CMAC-256 to info_bss
command and debug log.

Signed-off-by: Jouni Malinen <j@w1.fi>
2015-01-24 19:37:42 +02:00
Jouni Malinen
cb80fadaa7 wlantest: Extend BIP support to cover BIP-CMAC-256
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2015-01-24 19:37:42 +02:00
Jouni Malinen
010fa245bd Add QUIET=1 option for make
This can be used to reduce verbosity for build messages.

Signed-off-by: Jouni Malinen <j@w1.fi>
2014-12-29 15:49:05 +02:00
Jouni Malinen
a193231dfb Clean up debug prints to use wpa_printf()
This converts most of the remaining perror() and printf() calls from
hostapd and wpa_supplicant to use wpa_printf().

Signed-off-by: Jouni Malinen <j@w1.fi>
2014-12-26 13:20:57 +02:00
Jouni Malinen
929a2ea5df Suite B: Select EAPOL-Key integrity and key-wrap algorithms based on AKM
This adds support for AKM 00-0F-AC:11 to specify the integrity and
key-wrap algorithms for EAPOL-Key frames using the new design where
descriptor version is set to 0 and algorithms are determined based on
AKM.

Signed-off-by: Jouni Malinen <j@w1.fi>
2014-11-16 17:09:11 +02:00
Jouni Malinen
666497c8e6 Suite B: Add AKM 00-0F-AC:11
This adds definitions for the 128-bit level Suite B AKM 00-0F-AC:11. The
functionality itself is not yet complete, i.e., this commit only
includes parts to negotiate the new AKM.

Signed-off-by: Jouni Malinen <j@w1.fi>
2014-11-16 13:20:51 +02:00
Jouni Malinen
eefec1e40b AES: Extend key wrap design to support longer AES keys
This adds kek_len argument to aes_wrap() and aes_unwrap() functions and
allows AES to be initialized with 192 and 256 bit KEK in addition to
the previously supported 128 bit KEK.

The test vectors in test-aes.c are extended to cover all the test
vectors from RFC 3394.

Signed-off-by: Jouni Malinen <j@w1.fi>
2014-10-07 14:57:06 +03:00
Ashok Kumar Ponnaiah
eb2223e0ec wlantest: Add decryption of CCMP-256, GCMP, GCMP-256
This extends wlantest support for decrypting the new cipher suites.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2014-09-03 15:41:35 +03:00
Ashok Kumar Ponnaiah
3a3cb8ee81 wlantest: Indicate if a TKIP/CCMP replay has Retry=1
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2014-09-03 15:41:35 +03:00
Ashok Kumar Ponnaiah
fa6fff1893 wlantest: Recognize CCMP-256, GCMP, and GCMP-256 ciphers
This adds support for displaying whether a BSS or STA is using one of
the newer cipher suites.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2014-09-03 15:41:35 +03:00
Jouni Malinen
f6ff5160f0 wlantest: Add support for OSEN
This allows Hotspot 2.0 OSEN connection to be analyzed more
conveniently. The frames from an OSEN association can now be decrypted
using an MSK file.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2014-05-15 16:56:59 +03:00
Johannes Berg
30476e4fe7 wlantest: Tag and ignore generated packets
Rather than ignoring packets with a minimal 8-byte radiotap
header, which may occur elsewhere, tag generated (decrypted)
packets with an empty vendor namespace tag and ignore those.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-04-13 23:54:25 +03:00
Johannes Berg
bacb984b2d radiotap: Update radiotap parser to library version
Update the radiotap parser to the latest version of the
http://git.sipsolutions.net/radiotap.git/ library to get
parsing for vendor namespaces.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-04-13 23:49:59 +03:00
Jouni Malinen
0187c41d88 Declare wpa_debug_* variables in src/utils/wpa_debug.h
These were somewhat more hidden to avoid direct use, but there are now
numerous places where these are needed and more justification to make
the extern int declarations available from wpa_debug.h. In addition,
this avoids some warnings from sparse.

Signed-hostap: Jouni Malinen <j@w1.fi>
2013-12-31 19:29:52 +02:00
Jouni Malinen
ae98e1f5b2 wlantest: Add a BSS probe_response counter
This can be used to verify whether an AP replies to a Probe Request
frame.

Signed-hostap: Jouni Malinen <j@w1.fi>
2013-12-26 13:37:06 +02:00
Jouni Malinen
99d7c1dedf wlantest: Add per-TID RX/TX counters
Signed-hostap: Jouni Malinen <j@w1.fi>
2013-12-24 20:21:27 +02:00