Russ Magee
fcbdb77c79
Cleaned up error handling in hkexnet.Conn.Read() a bit
2018-10-30 21:07:42 -07:00
Russ Magee
e75ed159f6
two-way tunnel traffic working. Hangup/re-dial on server side needs work
2018-10-28 21:46:29 -07:00
Russ Magee
632f24354b
Tunnel rough work-in-progress; data sent (wrong length) and CSOTunClose handling needs work, but it's a start...
2018-10-28 19:17:47 -07:00
Russ Magee
1e6da733a2
Work on setup for tunnels
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Signed-off-by: Russ Magee <rmagee@gmail.com>
2018-10-27 01:51:40 -07:00
Russ Magee
48b0c41f62
Prototyped TunEndpoint struct, data flow commentary
2018-10-26 20:31:57 -07:00
Russ Magee
2f83d488d6
Pushed logging into sub-package to preserve windows client build
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Signed-off-by: Russ Magee <rmagee@gmail.com>
2018-10-26 16:05:01 -07:00
Russ Magee
871f1e0dfa
Moved CSE (extended err types) back up out of UNIX shell status space
2018-10-25 22:49:08 -07:00
Russ Magee
752dbf6080
logging now uses syslog
2018-10-25 22:14:18 -07:00
Russ Magee
4cb535fcc9
Added support for cryptMTv1
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Signed-off-by: Russ Magee <rmagee@gmail.com>
2018-10-24 00:16:34 -07:00
Russ Magee
3991fc5065
Added keymat expansion for smallest KEX modes
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Signed-off-by: Russ Magee <rmagee@gmail.com>
2018-10-19 13:51:57 -07:00
Russ Magee
798661a0cf
kex-spurious-failures branch:
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-Modified KyberDialSetup()/KyberAcceptSetup() to use []byte for reading/writing
ciphertext to avoid errors caused by leading zero bytes (big.Int can't explicitly
represent these)
-TODO: Consider the same for HerraduraKEx HKexDialSetup()/HKexAcceptSetup()
2018-10-18 20:44:23 -07:00
Russ Magee
a060ae39b1
HMAC portion made into symbolic const
2018-10-14 00:20:30 -07:00
Russ Magee
5d9a110d57
Added more (explicit) sizes for all KEX algs
2018-10-12 16:16:49 -07:00
Russ Magee
231ede1734
KYBER768 KEM works. :O
2018-10-10 21:12:38 -07:00
Russ Magee
4c286ae6c1
Set up to handle Kyber768 KEM
2018-10-08 21:31:11 -07:00
Russ Magee
103070d00a
Made padding size random [max/2, max); use of improved goutmp host lookup
2018-10-02 21:23:45 -07:00
Russ Magee
1485e8392e
Removed moving avg chaff in favour of random-padding
2018-10-01 20:35:50 -07:00
Russ Magee
06ee94da03
Added HMAC_SHA512
2018-09-30 00:19:25 -07:00
Russ Magee
cd9f7914e0
Dial() and Accept() again conform to net.Dial(), net.Accept() return signature
2018-09-29 12:15:53 -07:00
Russ Magee
e57d97d3e6
Changed many funcs to take *hkexnet.Conn to allow tracking of packets sent, total bytes sent and experimental moving avg chaff
2018-09-26 22:57:36 -07:00
Russ Magee
b810fa7f4a
tightened up some const types
2018-09-17 23:07:04 -07:00
Russ Magee
8b0b833d6e
Split hkexsh and hkexnet consts into separate files
2018-09-17 17:27:13 -07:00
Russ Magee
19697d5164
Remote exit status now reflected in client->server copies
2018-09-16 17:14:50 -07:00
Russ Magee
140523dabb
-Refactored HerraduraKEx negotiation into subroutine (anticipation of future multi-KEx support)
2018-09-11 00:04:38 -07:00
Russ Magee
bee0bececf
-Bumped version to 0.2pre to reflect protocol break w/0.1pre
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-Added design principle note (no downgrade attack-enabling protocol features)
2018-09-10 20:28:41 -07:00
Russ Magee
dcb42d43f1
-BREAKING CHANGE: pre-KEx byte sent for KEx alg (default and only for now: KEX_HERRADURA)
2018-09-10 20:22:09 -07:00
Russ Magee
b33e9de139
-Moved taunting of failed logins to client-side
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-Added byte auth pass/fail stage prior to shell/copy session start
2018-09-06 16:23:57 -07:00
Russ Magee
9ff35a69fe
-Converted exit status to uint32 (0-255: UNIX exit codes), above for OOB (out-of-band) status
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-Failed auth for shell logins now returns extended code CSEBadAuth to client
2018-09-06 13:50:56 -07:00
Russ Magee
db1b494d00
Fixed shell (interative & non-) exit status after cp status fixes
2018-09-06 00:16:44 -07:00
Russ Magee
a6979298fd
Steps toward getting remote cp(tar) status back to client
2018-09-05 21:58:55 -07:00
Russ Magee
963d1c8eb2
Some comment/dead test code cleanup
2018-09-05 20:36:32 -07:00
Russ Magee
b419b2e002
File copy remote close signal to ensure completed tar pipe data
2018-09-04 22:24:16 -07:00
Russ Magee
0586f306c0
Removed debug time.Sleep
2018-09-02 21:50:25 -07:00
Russ Magee
7295492aa3
hkexcp: fixed copy chunked payload logic (now 2*32-1 MAX_PAYLOAD_LEN w/chunking)
2018-09-02 19:58:13 -07:00
Russ Magee
52ea229118
Fixed errors in copy scatter/gather logic. Added block-chunking to hc.Write() to allow
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writes of larger data blocks
TODO: copies of files > hc.Read() block size fails w/incomplete tarfile (last partial block
likely incorrectly written or client exits before data is flushed?)
2018-09-01 10:20:33 -07:00
Russ Magee
5859131678
Continuing groundwork for cp mode - refactor main client code into shell/copy subroutines; -r option
2018-08-06 22:29:51 -07:00
Russ Magee
04e8b94b5d
More misc. fixes to connection handling w/chaff e=0/1 client-side, both interactive and oneshot cmd (-x)
2018-08-06 00:06:09 -07:00
Russ Magee
00e03c1d54
Misc. fixes to end-of-session conn handling. Outstanding bug w/client chaff enabled & truncated client data
2018-08-05 21:43:21 -07:00
Russ Magee
5ae6c8075b
Grouped types
2018-07-19 22:39:06 -07:00
Russ Magee
9edcc5110c
Fixed syntax errors from re-org
2018-07-04 22:06:07 -07:00
Russ Magee
bd261a32e9
reorg to separate core KEx and net layer from app
2018-07-04 21:21:23 -07:00