Commit graph

190 commits

Author SHA1 Message Date
Jouni Malinen
62cab3b737 eap_proxy: Add a dummy implementation for compilation testing
Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
2013-02-08 11:54:05 +02:00
Deepthi Gowri
45f4a97a3a eap_proxy: Add mechanism for allowing EAP methods to be offloaded
In addition to the offload mechanism, the Android configuration and
makefiles are extended to allow this to be configured for the build by
dropping in platform specific configuration files and makefile without
having to modify any existing files.

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
2013-02-08 11:54:01 +02:00
Paul Stewart
93c7e332c2 wpa_supplicant: Add more DBus EAP status
Signal the start of EAP authentication as well as when additional
credentials are required to complete.

Signed-hostap: Paul Stewart <pstew@chromium.org>
2013-01-12 19:51:18 +02:00
Jouni Malinen
34d18540fc EAP-FAST: Allow empty PAC file to be used
Even if the PAC file does not start with the proper header line, allow
the file to be used if it is empty. [Bug 423]

Signed-hostap: Jouni Malinen <j@w1.fi>
2013-01-12 17:33:22 +02:00
Jouni Malinen
ed61d2a5f9 Fix regression in LEAP
Commit 458cb30191 broke LEAP since it
rejects EAP-Success packet that is used within LEAP and this frame does
not have a payload. Fix LEAP by relaxing the generic EAP packet
validation if LEAP has been negotiated.

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
2012-10-11 21:50:57 +03:00
Jouni Malinen
458cb30191 EAP-TLS: Add extra validation for TLS Message Length
While the existing code already addresses TLS Message Length validation
for both EAP-TLS peer and server side, this adds explicit checks and
rejection of invalid messages in the functions handling reassembly. This
does not change externally observable behavior in case of EAP server.
For EAP peer, this starts rejecting invalid messages instead of
addressing them by reallocating the buffer (i.e., ignoring TLS Message
Length in practice).

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-10-07 20:18:10 +03:00
Jouni Malinen
e026159a8e EAP-SIM/AKA: Store pseudonym identity in configuration
Use the anonymous_identity field to store EAP-SIM/AKA pseudonym identity
so that this can be maintained between EAP sessions (e.g., after
wpa_supplicant restart) even if fast re-authentication data was cleared.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-09-02 13:04:18 +03:00
Jouni Malinen
9343498989 EAP-SIM/AKA peer: Note sending of Client-Error in debug log
Signed-hostap: Jouni Malinen <j@w1.fi>
2012-09-02 00:58:03 +03:00
Jouni Malinen
5d65ca514d EAP-SIM peer: Fix AT_COUNTER_TOO_SMALL use
The AT_NONCE_S value needs to be used in AT_MAC calculation for
SIM/Re-authentication response even if re-authentication is rejected
with AT_COUNTER_TOO_SMALL.

Signed-hostap: Jouni Malinen <j@w1.fi>
intended-for: hostap-1
2012-09-02 00:39:48 +03:00
Jouni Malinen
09bcf3be9c Clear idleWhile timer when EAP peer state machine is not in use
This allows the EAPOL tick timer to be stopped more quickly when
getting disconnected.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-08-26 23:35:08 +03:00
Jouni Malinen
065d2895b4 Add UNAUTH-TLS vendor specific EAP type
This EAP type uses a vendor specific expanded EAP header to encapsulate
EAP-TLS with a configuration where the EAP server does not authenticate
the EAP peer. In other words, this method includes only server
authentication. The peer is configured with only the ca_cert parameter
(similarly to other TLS-based EAP methods). This method can be used for
cases where the network provides free access to anyone, but use of RSN
with a securely derived unique PMK for each station is desired.

The expanded EAP header uses the hostapd/wpa_supplicant vendor
code 39068 and vendor type 1 to identify the UNAUTH-TLS method.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-08-22 22:34:11 +03:00
Jouni Malinen
d13f9857f8 Use proper private enterprise number for EAP VENDOR-TEST
Now that the project has its own code, it should be used with the
VENDOR-TEST EAP method.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-08-22 21:37:19 +03:00
Jouni Malinen
c22075e144 Disable TLS Session Ticket extension by default for EAP-TLS/PEAP/TTLS
Some deployed authentication servers seem to be unable to handle the TLS
Session Ticket extension (they are supposed to ignore unrecognized TLS
extensions, but end up rejecting the ClientHello instead). As a
workaround, disable use of TLS Sesson Ticket extension for EAP-TLS,
EAP-PEAP, and EAP-TTLS (EAP-FAST uses session ticket, so any server that
supports EAP-FAST does not need this workaround).

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-08-17 22:26:28 +03:00
Jouni Malinen
f210493b6e Add phase1/phase2 parameter for disabling TLS Session Ticket extension
tls_disable_session_ticket=1 in phase1/phase2 can now be used to disable
use of TLS Session Ticket extension (which is enabled by default in
recent OpenSSL versions). This can be used to work around issues with
broken authentication servers that do not ignore unrecognized TLS
extensions properly.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-08-17 22:21:28 +03:00
Jouni Malinen
c9e08af24f Do not export TLS keys in FIPS mode
Only allow the TLS library keying material exporter functionality to be
used for MSK derivation with TLS-based EAP methods to avoid exporting
internal TLS keys from the library.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-08-16 19:38:15 +03:00
Jouni Malinen
371296881a EAP-TTLS: Allow TTLS to be built without MSCHAPv2 support
Previously, CONFIG_EAP_MSCHAPV2=y was assumed to be set for
CONFIG_EAP_TTLS=y. Avoid this dependency by making including the
MSCHAPv2 parts in EAP-TTLS conditionally.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-08-16 19:02:44 +03:00
Jouni Malinen
305dbc9870 EAP-MD5: Verify that CHAP operation succeeds
The MD5 operation may be disabled in the security policy so chap_md5()
call can fail.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-08-16 18:49:02 +03:00
Jouni Malinen
ce7daaae53 MSCHAPv2: Check operation success for NT response generation
These functions could fail (e.g., if MD4 is disabled in the security
policy).

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-08-16 18:42:27 +03:00
Jouni Malinen
067ffa2696 Convert os_realloc() for an array to use os_realloc_array()
Signed-hostap: Jouni Malinen <j@w1.fi>
2012-08-13 21:21:23 +03:00
Jouni Malinen
f54eb34995 Add extra validation of EAP header length field
These validation steps are already done in the EAP parsing code and in
the EAP methods, but the additional check is defensive programming and
can make the validation of received EAP messages more easier to
understand.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-08-07 23:03:25 +03:00
Jouni Malinen
0ebb23e340 EXT PW: Add support for password parameter from external storage
This allows the password parameter for EAP methods to be fetched
from an external storage.

Following example can be used for developer testing:

ext_password_backend=test:pw1=password|pw2=testing

network={
    key_mgmt=WPA-EAP
    eap=TTLS
    identity="user"
    password=ext:pw1
    ca_cert="ca.pem"
    phase2="auth=PAP"
}

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-08-03 22:15:42 +03:00
Jouni Malinen
daf10baf9e EAP-pwd: Replace direct OpenSSL HMAC use with wrapper
This is a step towards allowing EAP-pwd to be supported with other
crypto libraries.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-07-02 22:10:03 +03:00
Jouni Malinen
8350d0afd8 EAP-pwd: Avoid double-frees on some error paths
At least some error paths (e.g., hitting the limit on hunt-and-peck
iterations) could have resulted in double-freeing of some memory
allocations. Avoid this by setting the pointers to NULL after they have
been freed instead of trying to free the data structure in a location
where some external references cannot be cleared. [Bug 453]

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-06-30 16:16:32 +03:00
Jouni Malinen
e484e927a6 WPS: Allow NFC password token from AP to be used with wps_reg
The AP PIN on wps_reg command can now be replaced with special value
"nfc-pw" to use device password from a NFC password token from the AP.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-06-28 19:41:26 +03:00
Jouni Malinen
0965813640 WPS: Fix OOB Device Password use for EAP-WSC peer
The OOB Device Password is passed in as a hexdump of the real Device
Password (16..32 octets of arbitrary binary data). The hexdump needs to
be converted to binary form before passing it for WPS processing.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-06-27 21:22:12 +03:00
Paul Stewart
dd7fec1f29 wpa_supplicant: Report EAP connection progress to DBus
Send an "EAP" signal via the new DBus interface under various
conditions during EAP authentication:

  - During method selection (ACK and NAK)
  - During certificate verification
  - While sending and receiving TLS alert messages
  - EAP success and failure messages

This provides DBus callers a number of new tools:

  - The ability to probe an AP for available EAP methods
    (given an identity).
  - The ability to identify why the remote certificate was
    not verified.
  - The ability to identify why the remote peer refused
    a TLS connection.

Signed-hostap: Paul Stewart <pstew@chromium.org>
2012-06-04 21:10:01 +03:00
Jouni Malinen
762e4ce620 EAP-AKA': Update to RFC 5448
There was a technical change between the last IETF draft version
(draft-arkko-eap-aka-kdf-10) and RFC 5448 in the leading characters
used in the username (i.e., use unique characters for EAP-AKA' instead
of reusing the EAP-AKA ones). This commit updates EAP-AKA' server and
peer implementations to use the leading characters based on the final
RFC.

Note: This will make EAP-AKA' not interoperate between the earlier
draft version and the new version.

Signed-hostap: Jouni Malinen <j@w1.fi>
intended-for: hostap-1
2012-05-02 20:45:01 +03:00
Jouni Malinen
9f98810c5d TLS: Use separate TLS library context for tunneled TLS
OpenSSL wrapper was using the same certificate store for both Phase 1
and Phase 2 TLS exchange in case of EAP-PEAP/TLS, EAP-TTLS/TLS, and
EAP-FAST/TLS. This would be fine if the same CA certificates were used
in both phases, but does not work properly if different CA certificates
are used. Enforce full separation of TLS state between the phases by
using a separate TLS library context in EAP peer implementation.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-04-07 20:57:02 +03:00
Jouni Malinen
e19467e161 TTLS: Fix peer challenge generation for TTLS/MSCHAPv2
Commit 30680e9332 changed the length
of the implicit challenge result to match with the exact length used
in TTLS. However, it failed to update the peer_challenge generation
to use a separate random value. Previously, this was generated as
part of the implicit challenge, but more correct way would have been
to generate a random value for it separately. Do this now to fix the
read after the allocated buffer (16 bytes after the implicit
challenge).

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
intended-for: hostap-1
2012-03-05 16:59:03 +02:00
Jouni Malinen
05c15c897d EAP-AKA peer: Clean up forgetting-id debug prints
Do not show forgetting of old id values if no value was stored.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-02-16 23:25:53 +02:00
Jouni Malinen
0f3d578efc Remove the GPL notification from files contributed by Jouni Malinen
Remove the GPL notification text from the files that were
initially contributed by myself.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-02-11 19:39:36 +02:00
Jouni Malinen
0dd1603c3f Remove the GPL notification from EAP-pwd implementation
Remove the GPL notification text from EAP-pwd implementation per
approval from Dan Harkins who contributed these files.
(email from Dan Harkins <dharkins@lounge.org> dated
Wed, 4 Jan 2012 16:25:48 -0800)

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-02-11 19:39:36 +02:00
Dan Harkins
5ea93947ca EAP-pwd: Add support for fragmentation
Signed-hostap: Dan Harkins <dharkins@lounge.org>
2012-02-11 12:46:30 +02:00
Simon Baatz
4ac384c596 EAP-AKA peer: Append realm when learning the pseudonym
The pseudonym identity should use a realm in environments where a realm is
used. Thus, the realm of the permanent identity is added to the pseudonym
username sent by the server.

Signed-hostap: Simon Baatz <gmbnomis@gmail.com>
2012-01-28 19:41:19 +02:00
Simon Baatz
a6689be84f EAP-SIM peer: Append realm when learning the pseudonym
The pseudonym identity should use a realm in environments where a realm is
used. Thus, the realm of the permanent identity is added to the pseudonym
username sent by the server.

Signed-hostap: Simon Baatz <gmbnomis@gmail.com>
2012-01-28 19:38:46 +02:00
Jouni Malinen
e6c6274947 Add preliminary MNC length determination based on IMSI
Some SIM cards do not include MNC length with in EF_AD. Try to figure
out the MNC length based on the MCC/MNC values in the beginning of the
IMSI. This covers a prepaid Elisa/Kolumbus card that would have ended
up using incorrect MNC length based on the 3-digit default.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-01-22 21:54:24 +02:00
Jouni Malinen
a3e0105692 Avoid unnecessary memory allocation in building of SIM realm
The temporary IMSI buffer can be used for this without needing the
extra memory allocation. In addition, the implementation is easier
to understand when the extra identity prefix value for EAP-SIM/AKA
is not included while fetching MCC/MNC from the IMSI.

Signed-hostap: Jouni Malinen <j@w1.fi>
2012-01-22 21:54:24 +02:00
Simon Baatz
2d7d0ab307 EAP-SIM/EAP-AKA peer: Support realms according to 3GPP TS 23.003
If the identity is derived from the SIM, use a realm according
to 3GPP TS 23.003.

Signed-hostap: Simon Baatz <gmbnomis@gmail.com>
2012-01-22 21:54:24 +02:00
Jouni Malinen
4646ee67c0 Reject too short IMSI in EAP-SIM/AKA identity generation
Signed-hostap: Jouni Malinen <j@w1.fi>
2012-01-22 21:54:24 +02:00
Jouni Malinen
8b41e05656 EAP-AKA peer: Keep pseudonym identity across EAP exchanges
This updates EAP-AKA peer implementation with the changes that previous
commits did for EAP-SIM.

Signed-hostap: Jouni Malinen <j@w1.fi>
2011-12-04 17:21:22 +02:00
Simon Baatz
1037235ca0 EAP-SIM peer: Only log the identities that we actually forget
[Bug 425]
2011-12-04 17:17:21 +02:00
Simon Baatz
a9f40ae720 EAP-SIM: Keep pseudonym identity
The pseudonym is a temporary identity, but is no one-time identifier (like
the fast re-authentication identity). Thus, do not forget it if the server
does not include it in every challenge. There are servers that include the
pseudonym identity only at full-auth. [Bug 424]
2011-12-04 17:15:16 +02:00
Jouni Malinen
cd52acec85 Rename tls_prf() to tls_prf_sha1_md5()
Prepare for multiple TLS PRF functions by renaming the SHA1+MD5 based
TLS PRF function to more specific name and add tls_prf() within the
internal TLS implementation as a wrapper for this for now.

Signed-hostap: Jouni Malinen <j@w1.fi>
2011-11-27 21:27:01 +02:00
Jouni Malinen
5419d6afed EAP-pwd: Remove struct eap_pwd_hdr
This structure was not really used for anything apart from figuring out
length of the EAP-pwd header (and even that in a way that would not work
with fragmentation). Since the bitfields in the structure could have
been problematic depending on target endianness, remove this unnecessary
structure.

Signed-hostap: Jouni Malinen <j@w1.fi>
2011-11-19 16:52:52 +02:00
Dan Harkins
e547e071e1 EAP-pwd: Fix zero-padding of input to H()
Another niceness of OpenSSL is that if the high-order bit of a 521-bit
big num is not set then BN_bn2bin() will just return 65 bytes instead of
66 bytes with the 1st (big endian, after all) being all zero. When this
happens the wrong number of octets are mixed into function H(). So
there's a whole bunch of "offset" computations and BN_bn2bin() dumps the
big number into a buffer + offset. That should be obvious in the patch
too.
2011-11-19 16:47:25 +02:00
Jouni Malinen
7adc3c1296 Make phase2_method initialization easier for static analyzers
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>
2011-11-13 22:47:14 +02:00
Jouni Malinen
a17539ebcd Remove unnecessary include file inclusion
Signed-hostap: Jouni Malinen <j@w1.fi>
2011-11-13 22:13:04 +02:00
Jouni Malinen
3724ddc0c1 PEAP: Verify peap_prfplus() result
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>
2011-11-13 11:29:17 +02:00
Dan Williams
9ef1aaae24 Use an enum for EAP SM requests
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>
2011-10-30 12:04:24 +02:00
Jouni Malinen
af72d17e72 EAP-TTLS peer: Fix user input during implicit identity request
Special processing is needed to handle EAP user request for
identity or password at the beginning of Phase 2 when the implicit
identity request is used. data->pending_phase2_req needs to be set
to an empty buffer in that case to avoid re-processing the previous
part of TLS negotiation when the user enters the needed information.

Signed-hostap: Jouni Malinen <j@w1.fi>
2011-10-30 12:02:20 +02:00