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2,903 Commits 1 Branch 78 Tags 22 MiB
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Commit Graph

182 Commits

Author SHA1 Message Date
Andrew Zaborowski
a227d0b00f eapol: In GTK step 2 of 2, secure bit is always 1 2015-05-18 12:50:50 -05:00
Andrew Zaborowski
a84d232eb1 eapol: Accept 32-byte keys in verify_ptk_3_of_4 
TKIP key data is 32 bytes long.
 2015-05-18 12:37:34 -05:00
Denis Kenzior
619448cacc eapol: Sanity check wpa_key_id field a bit more 2015-05-05 22:26:11 -05:00
Denis Kenzior
9793054a0a eapol: Update TODO comment 2015-05-05 22:19:45 -05:00
Denis Kenzior
a38b6f1f9a eapol: Add missing newline 2015-05-05 22:18:35 -05:00
Denis Kenzior
8f3fd6e47d eapol: Add eapol_verify_gtk_2_of_2 2015-05-05 22:04:21 -05:00
Denis Kenzior
2ba7867e9f eapol: Drop unneded check in verify_ptk_4_of_4 
Step 4 is always sent without encrypted Key Data according to Section
11.6.6.5.  In the case of WPA, Encrypted Key Data field is reserved, and
should always be 0.  Thus it is safe to drop the !is_wpa condition.
 2015-05-05 22:01:53 -05:00
Denis Kenzior
bb17f5df94 eapol: Add sanity checking of the install bit 2015-05-05 21:50:35 -05:00
Andrew Zaborowski
0ea28ba5ad eapol: Generate new snonce on new 4-Way Handshake 
Make sure that we handle PTK rekeying.
 2015-05-05 21:22:38 -05:00
Andrew Zaborowski
a7846aee85 eapol: WPA-specific handshake quirks 
To support WPA allow the legacy EAPOL-Key frame formats.
 2015-05-05 21:22:31 -05:00
Andrew Zaborowski
a8c0f20510 eapol: Handle the Group Key Handshake 2015-05-05 21:10:07 -05:00
Andrew Zaborowski
169aa04570 eapol: Free eapol_sm even if callback is null 
If deauthenticate callback was not provided, the state machine was not
being freed / removed.
 2015-04-29 08:54:53 -05:00
Andrew Zaborowski
4a27563b5a eapol: Fix key-IV check in EAPOL-Key verification 
The comment correctly states the IV is 0 for version 2, but the
check was actually for version 1.
 2015-04-29 08:54:47 -05:00
Andrzej Zaborowski
c22d22f5e5 eapol: Remove eapol_sm's from queue when destroying. 
Prevents a double-free.
 2015-04-17 10:40:10 -05:00
Denis Kenzior
bc98bc9ecb eapol: Add functions to set own/ap WPA IEs 
If EAPoL is being run for in WPA mode, then instead of RSN elements, the
WPA elements are required.
 2015-04-10 23:46:58 -05:00
Denis Kenzior
445ad55796 eapol: Start a handshake timer 
We start a timer.  This handles the case that the Authenticator does
not send us the first message of the 4-way handshake, or disappears
before sending us the 3rd message.
 2015-03-29 22:44:08 -05:00
Denis Kenzior
e2badc9828 eapol: Call deauthenticate callback 2015-03-29 22:32:09 -05:00
Denis Kenzior
9f17b71375 eapol: Add eapol_cancel 2015-03-29 20:58:40 -05:00
Denis Kenzior
cf3681efbe eapol: Add comment for handling MIC failures 2015-03-29 20:57:58 -05:00
Denis Kenzior
f31407dd46 eapol: Add deauthenticate callback 2015-03-29 20:30:14 -05:00
Denis Kenzior
6ec364cb86 eapol: Add __eapol_set_gtk_install_func 2015-03-25 23:28:22 -05:00
Denis Kenzior
bf5a6a3999 eapol: Add __eapol_set_install_tk_func 2015-03-25 22:35:12 -05:00
Denis Kenzior
ddcbb3f2a8 eapol: Add eapol_sm_set_user_data 2015-03-25 22:34:05 -05:00
Ravi kumar Veeramally
3432cfa53e eapol: Return if eapol_find_sm returns NULL 2015-03-23 20:08:30 -05:00
Ravi kumar Veeramally
a95b0e3a5a eapol: Fix return value 2015-03-23 15:37:40 -05:00
Denis Kenzior
86e7883c74 eapol: Print a message if MIC calculation fails 2015-03-20 14:52:49 -05:00
Denis Kenzior
d78883a068 eapol: Add default nonce generator 2015-03-20 12:31:14 -05:00
Denis Kenzior
35e3de9cdf eapol: Add default eapol tx path function 2015-03-20 12:30:56 -05:00
Denis Kenzior
0ee173e23f eapol: Fix PAE socket code 
Using SOCK_DGRAM allows us to receive just the frame payload instead
of raw ethernet framing.
 2015-03-20 00:28:58 -05:00
Denis Kenzior
19c67c3b3a eapol: Add user_data argument 
To __eapol_rx_packet.  The same argument is passed to tx_packet
function.
 2015-03-19 23:57:37 -05:00
Denis Kenzior
6b84e0da1f eapol: Rename aa_addr 
The use of aa_addr was redundant.  Use 'AA' instead.  802.11 defines
'AA' as 'Authenticator Address'.
 2015-03-19 23:57:36 -05:00
Denis Kenzior
b871d904d5 eapol: Rename sta_addr 
The use of sta_addr made no sense.  Instead, use the terminology from
802.11: 'Supplicant Address (SPA)'
 2015-03-19 23:57:36 -05:00
Denis Kenzior
581f4e298f eapol: Use a queue instead of a hashmap 2015-03-19 23:57:36 -05:00
Denis Kenzior
12d529eddb eapol: Rearrange data structure members 
The order follows the rough order of initialization, as information
becomes available from the calling code or via steps of the 4-way
handshake.
 2015-03-19 23:57:36 -05:00
Jukka Rissanen
acce7c9034 eapol: Change the interface index data type 
The ifindex should be uint32_t instead of int.
 2015-03-19 20:18:05 -05:00
Denis Kenzior
2bcfc15e96 eapol: Remove unneeded whitespace 2015-03-02 21:47:27 -06:00
Ravi kumar Veeramally
db45cd8dbf eapol: Provide utility to open raw socket 
Opens a raw socket to filter ETH_P_PAE based packets. Binds to specific
interface index to read/write eapol frames.
 2015-02-26 10:54:05 -06:00
Denis Kenzior
41e82fba77 eapol: Optimize out rsne sizes 
The RSN IEs contain the sizes of the element inside the data, so it is
not necessary to carry a dedicated size element.
 2015-02-24 23:15:20 -06:00
Denis Kenzior
9760bcb5c3 eapol: Add checking that first RSNE is as expected 2015-02-24 22:09:35 -06:00
Denis Kenzior
7f9b8117fd eapol: Add utility to find GTK KDEs 2015-02-24 17:11:56 -06:00
Denis Kenzior
bfdd4a2328 eapol: Pass decrypted data len 
to eapol_handle_ptk_3_of_4
 2015-02-24 16:03:42 -06:00
Denis Kenzior
c71bfcbb7c eapol: Decryption of packets changes affects size 2015-02-24 15:59:36 -06:00
Denis Kenzior
f997816a7f eapol: Handle Step 2 & 4 of the 4-way Handshake 2015-02-24 11:14:11 -06:00
Denis Kenzior
da1180841d eapol: Handle Step 1 & 2 of 4-way Handshake 2015-02-24 11:13:57 -06:00
Denis Kenzior
9e6cbc5b60 eapol: Add __eapol_rx_packet 2015-02-24 11:13:19 -06:00
Denis Kenzior
4a540526fe eapol: Add eapol_start 2015-02-24 11:12:22 -06:00
Denis Kenzior
2ee8b8e56e eapol: Add __eapol_set_protocol_version 2015-02-24 11:11:40 -06:00
Denis Kenzior
87dc9543b2 eapol: Add tx_packet_func and setter 2015-02-24 11:10:42 -06:00
Denis Kenzior
54fa4f29c7 eapol: Add get_nonce func and setter 2015-02-24 11:09:42 -06:00
Denis Kenzior
79bf677e71 eapol: Add eapol_init and eapol_exit 2015-02-24 11:08:03 -06:00
Denis Kenzior
2e1e484f95 eapol: Add eapol_sm_set_own_rsn 2015-02-24 10:58:43 -06:00
Denis Kenzior
08b2980fd6 eapol: Add eapol_sm_set_ap_rsn 2015-02-24 10:58:03 -06:00
Denis Kenzior
f85c860cc3 eapol: Add eapol_sm_set_pmk 2015-02-24 10:57:25 -06:00
Denis Kenzior
ff92e5c5e1 eapol: Add eapol_sm_set_aa_address 2015-02-24 10:56:39 -06:00
Denis Kenzior
122dfe7025 eapol: Add eapol_sm_set_sta_address 2015-02-24 10:55:50 -06:00
Denis Kenzior
2866fbbf91 eapol: Introduce eapol_sm 2015-02-24 10:54:23 -06:00
Denis Kenzior
bf42e3e7a3 eapol: snonce not needed in create_ptk_4_of_4 2015-02-24 10:52:12 -06:00
Denis Kenzior
6ba57c9fa8 eapol: Fix eapol_verify_mic 
The calculation was using an invalid length
 2015-02-24 10:42:20 -06:00
Denis Kenzior
a0bf16c5ca eapol: Refactor verification functions 
Use a macro for common checks.  Assume that the validate step will be
done separately.
 2015-02-23 15:39:26 -06:00
Denis Kenzior
6a4b75cf8d eapol: Add eapol_verify_mic 2015-02-18 21:13:09 -06:00
Denis Kenzior
ad3e0b6bf2 arc4: Remove and move to src/crypto.c 2015-02-18 21:11:37 -06:00
Denis Kenzior
b3e617838d aes: Remove and move to src/crypto.c 2015-02-18 21:02:09 -06:00
Denis Kenzior
260ef5bb9d md5: Remove and move to src/crypto.c 2015-02-18 20:56:18 -06:00
Denis Kenzior
89e4538945 eapol: Rework eapol_decrypt_key_data 
802.11 uses AES Key Wrap and RC4 with the first 256 bytes skipped.  The
IV is also initialized into the RC4 key.
 2015-02-17 17:39:47 -06:00
Denis Kenzior
cd08cdfd9f eapol: Add eapol_decrypt_key_data 2015-02-13 20:37:17 -06:00
Denis Kenzior
85e54c66fe eapol: Add eapol_verify_ptk_4_of_4 2015-02-13 18:38:10 -06:00
Denis Kenzior
0570940cd7 eapol: Add eapol_verify_ptk_3_of_4 2015-02-13 16:36:52 -06:00
Denis Kenzior
f9515fbe97 eapol: Add additional sanity checks for step 2 2015-02-13 16:36:24 -06:00
Denis Kenzior
9b746cd3c1 eapol: Update comment 2015-02-13 16:12:43 -06:00
Denis Kenzior
54d4090542 eapol: Tweak API 
We need to extract quite a bit of information from the EAPoL frames, so
tweak the API to just verify that a frame is of a particular type
 2015-02-13 16:08:45 -06:00
Denis Kenzior
87f775475a eapol: Handle cmac_aes in eapol_calcuate_mic 2015-02-13 14:53:16 -06:00
Denis Kenzior
63aae17aa8 eapol: Take out unneeded cast 2015-02-13 14:52:24 -06:00
Denis Kenzior
df8d60d7e1 eapol: Add eapol_create_ptk_4_of_4 2015-02-13 14:10:28 -06:00
Denis Kenzior
005fc0c0d1 eapol: Handle key_replay_counter as a uint64_t 2015-02-13 13:54:50 -06:00
Tomasz Bursztyka
8f946c0cdc eapol: Change function signatures 
The frame which comes in is an EAPoL-key frame, thus changing the name
accordingly (as well as the parameter names).

Also, returning the cast pointer instead of a boolean is easier to
use as there won't be any need to perform the cast ourselves afterward
 2015-01-22 12:18:17 -06:00
Denis Kenzior
096165d142 eapol: Add eapol_calculate_mic 2014-12-27 23:04:14 -06:00
Denis Kenzior
27d25efc0b eapol: Add eapol_create_ptk_2_of_4 2014-12-27 23:04:12 -06:00
Denis Kenzior
dc3331a98d eapol: Add eapol_process_ptk_2_of_4 2014-12-27 22:58:22 -06:00
Denis Kenzior
996e32bf1d eapol: Add eapol_process_ptk_1_of_4 2014-12-27 22:58:22 -06:00
Denis Kenzior
da8e10cc5f eapol: Verify key_descriptor_version 2014-12-27 22:34:39 -06:00
Denis Kenzior
5da6ca89e4 eapol: Add eapol_verify 2014-12-27 22:34:39 -06:00
Denis Kenzior
2cc842a302 eapol: Add beginnings of EAPoL utilities 2014-12-18 18:10:10 -06:00