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66 Commits

Author SHA1 Message Date
Russ Magee 6fbbcdadb6 Gometalinter cleanup/audit of hkexsh, hkexshd, hkexpasswd 
Signed-off-by: Russ Magee <rmagee@gmail.com>
 2018-11-25 10:24:10 -08:00
Russ Magee 6c6d0cbbb6 Added PNG go-callvis diagrams 
Signed-off-by: Russ Magee <rmagee@gmail.com>
 2018-11-22 18:13:11 -08:00
Russ Magee c6cbd8d681 Replaced go-code-visualizer with go-callvis 
Signed-off-by: Russ Magee <rmagee@gmail.com>
 2018-11-21 17:06:09 -08:00
Russ Magee 74a64489e5 Reverted bad hkexnet.Close diff 2018-11-19 14:38:39 -08:00
Russ Magee 673074d618 Reverted hkexnet.Close() deletion, caused hang 
Signed-off-by: Russ Magee <rmagee@gmail.com>
 2018-11-19 15:26:01 -08:00
Russ Magee 1909786a4b -Removed Close on null failed Listener (hkexshd) 
-Removed premature net.Conn.Close() in hkexnet.Close() (hkexnet)

Signed-off-by: Russ Magee <rmagee@gmail.com>
 2018-11-19 14:16:48 -08:00
Russ Magee 03eff74d8b Added signal handling for hkexshd to respond as well-behaved daemon 
Signed-off-by: Russ Magee <rmagee@gmail.com>
 2018-11-15 22:57:21 -08:00
Russ Magee d28a4af924 Added example openrc init script 
Signed-off-by: Russ Magee <rmagee@gmail.com>
 2018-11-13 23:59:34 -08:00
Russ Magee a425afe9b6 Tunnels working again to basic level w/o re-connect or re-dial 2018-11-01 18:52:01 -07:00
Russ Magee 25d85f6759 Cleaned up hkexshd.go to use new logger as well 
Signed-off-by: Russ Magee <rmagee@gmail.com>
 2018-10-26 18:20:32 -07:00
Russ Magee 752dbf6080 logging now uses syslog 2018-10-25 22:14:18 -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 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 869dbf6e10 Bumped version 2018-09-16 23:54:25 -07:00
Russ Magee 19697d5164 Remote exit status now reflected in client->server copies 2018-09-16 17:14:50 -07:00
Russ Magee e02764bf4b .hkexsh_id file supports multiple authtokens (multi remote hosts, aliases for same remote host) 2018-09-14 11:58:10 -07:00
Russ Magee d9b34fa631 GenAuthToken() now uses client-supplied ConnHost 2018-09-14 01:13:14 -07:00
Russ Magee c9eb6bcb38 Added -a authtoken feature for scripted use 2018-09-13 23:51:49 -07:00
Russ Magee bee0bececf -Bumped version to 0.2pre to reflect protocol break w/0.1pre 
-Added design principle note (no downgrade attack-enabling protocol features)
 2018-09-10 20:28:41 -07:00
Russ Magee 075ca7521c Client now passes xterm-256color in Session 2018-09-07 20:37:47 -07:00
Russ Magee 9e803ffc19 -Moved recCmd out of hkexsh and hkexshd into hkexsession.go (now abstract Session type) 2018-09-07 15:35:33 -07:00
Russ Magee bff56a2c61 -Added -z option back to tarpipes 
-Moved remaining chatty fmt.Prints to log.Print
 2018-09-06 16:37:17 -07:00
Russ Magee b33e9de139 -Moved taunting of failed logins to client-side 
-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 
-Failed auth for shell logins now returns extended code CSEBadAuth to client
 2018-09-06 13:50:56 -07:00
Russ Magee 8a24fb113f client prints nonzero remote end exit status; comment cleanup 2018-09-06 11:40:13 -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 52ea229118 Fixed errors in copy scatter/gather logic. Added block-chunking to hc.Write() to allow 
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 c3572d7c0c Fixed abs/relative path for client dest copies 2018-08-30 20:16:55 -07:00
Russ Magee 143990da34 Scatter/gather for client->server copy now functional 2018-08-30 20:06:42 -07:00
Russ Magee 1986ec6f0c Removed :port: from 'fancy' arg syntax; more improvements to src/dest file spec logic (esp. fixing bug in multiple src file/dir args to remote dest) 2018-08-25 23:38:58 -07:00
Russ Magee ca2b6efd9b client->server and server->client file/dir copies minimally working 2018-08-24 23:22:07 -07:00
Russ Magee 7867f84b87 WIP: server->client copy primitively functional; TODO client->server copy 2018-08-24 18:50:45 -07:00
Russ Magee 0b9b8b8320 WIP tarpipe construction: server-side, TODOL client-side, -r behaviour 2018-08-23 11:03:19 -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 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 f48b0c17ed Prep for hkexsh alternate op mode via symlink/exe name: hkexcp - a secure remote file copier 2018-07-18 22:32:49 -07:00
Russ Magee 0d404470c1 Make hkexshd log IP not hostname to wtmp/lastlog 2018-07-14 13:15:58 -07:00
Russ Magee f079b5b43d Fixed server root warning to output without -d flag to stdout 2018-07-13 20:26:48 -07:00
Russ Magee 9edcc5110c Fixed syntax errors from re-org 2018-07-04 22:06:07 -07:00
Russ Magee 216bfa3326 Exit status of remote commands now reflect in client exit 2018-06-29 19:23:11 -07:00
Russ Magee c64797f2d9 Basic server-side recording of exitStatus of pty(cmd). 
TODO: sending of exitStatus to client and client handling of said packet via
  a WritePacket() with unique existStatus op.
 2018-06-29 16:54:20 -07:00
Russ Magee 011f6d161b #3: hkexshd: server should output error on startup if not run w/sufficient privileges 
Signed-off-by: Russ Magee <rmagee@gmail.com>
 2018-06-27 19:28:03 -07:00
Russ Magee dac467c1e6 Corrected Println -> Printf logs for login/cmd tracking 2018-06-27 19:13:14 -07:00
Russ Magee 889203c9de host lookup for goutmp (wtmp) tracking 2018-06-27 19:09:35 -07:00