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62 Commits

Author SHA1 Message Date
Matt Johnston
3939321750 Make re-exec work with "dropbearmulti dropbear" 
The re-exec needs to know to use the dropbearmulti binary instead.
Add a test for this case.
 2022-02-01 22:19:49 +08:00
Matt Johnston
a7ef149463 Bring back recently removed channel->flushing 
This resolves the "sleep 10&echo hello" case which should
return immediately
 2021-10-14 20:55:15 +08:00
Matt Johnston
02ffdd09dc - Add adaptive authentication failure delay 
- Rework monotonic_now/gettime_wrapper and use clock_gettime on more platforms
 2018-11-05 23:36:34 +08:00
Matt Johnston
a60725740b workaround memory sanitizer FD_ZERO false positives 2018-03-06 21:51:51 +08:00
Matt Johnston
7e8094d53a merge from main 
--HG--
branch : fuzz
 2018-02-17 19:29:51 +08:00
Michael Witten
3ee685ad1c options: Complete the transition to numeric toggles (`#if') 
For the sake of review, this commit alters only the code; the affiliated
comments within the source files also need to be updated, but doing so
now would obscure the operational changes that have been made here.

* All on/off options have been switched to the numeric `#if' variant;
  that is the only way to make this `default_options.h.in' thing work
  in a reasonable manner.

* There is now some very minor compile-time checking of the user's
  choice of options.

* NO_FAST_EXPTMOD doesn't seem to be used, so it has been removed.

* ENABLE_USER_ALGO_LIST was supposed to be renamed DROPBEAR_USER_ALGO_LIST,
  and this commit completes that work.

* DROPBEAR_FUZZ seems to be a relatively new, as-yet undocumented option,
  which was added by the following commit:

    commit 6e0b539e9c
    Author: Matt Johnston <matt@ucc.asn.au>
    Date:   Tue May 23 22:29:21 2017 +0800

        split out checkpubkey_line() separately

  It has now been added to `sysoptions.h' and defined as `0' by default.

* The configuration option `DROPBEAR_PASSWORD_ENV' is no longer listed in
  `default_options.h.in'; it is no longer meant to be set by the user, and
  is instead left to be defined in `sysoptions.h' (where it was already being
  defined) as merely the name of the environment variable in question:

    DROPBEAR_PASSWORD

  To enable or disable use of that environment variable, the user must now
  toggle `DROPBEAR_USE_DROPBEAR_PASSWORD'.

* The sFTP support is now toggled by setting `DROPBEAR_SFTPSERVER', and the
  path of the sFTP server program is set independently through the usual
  SFTPSERVER_PATH.
 2018-02-16 23:13:47 +08:00
Francois Perrad
598056d168 Pointer parameter could be declared as pointing to const (callback) 2017-08-19 22:39:53 +02:00
Matt Johnston
fb8fb7fed0 add dbmalloc epoch cleanup 
--HG--
branch : fuzz
 2017-05-21 10:54:11 +08:00
Matt Johnston
45b27b0194 merge 2017.75 2017-05-18 22:59:38 +08:00
Matt Johnston
597f12c44a Use atomic key generation in all cases 2016-11-19 00:31:21 +08:00
Matt Johnston
32a28d0d9c Convert #ifdef to #if, other build changes 2016-05-04 15:33:40 +02:00
Matt Johnston
420151dbd9 move m_burn and function attributes to dbhelpers 
use m_burn for libtomcrypt zeromem() too
 2016-03-17 23:21:33 +08:00
Francois Perrad
3e20c442de fix empty C prototypes 2016-03-16 22:41:20 +08:00
Konstantin Tokarev
c59827334c Allow setting syslog identifier via startsyslog(). 2015-12-15 16:43:29 +03:00
Matt Johnston
c7bd5ac77d remove extraneous semicolon from m_free #define 2015-08-03 20:46:29 +08:00
Matt Johnston
941c067765 change DROPBEAR_DEFAULT_CLI_AUTHKEY to just prepend homedir 
rather than doing ~ expansion
 2015-08-03 20:45:04 +08:00
Matt Johnston
31e379c300 merge from default 
--HG--
branch : fastopen
 2015-02-28 09:06:40 +08:00
Thorsten Horstmann
fdb7ffa864 DROPBEAR_ prefix for include guards to avoid collisions 2015-02-24 20:43:01 +08:00
Matt Johnston
f04a3a2cfa Fixes for backwards compatibility 
--HG--
branch : fastopen
 2015-02-20 23:38:05 +08:00
Matt Johnston
364a53577e Move generic network routines to netio.c 
--HG--
branch : fastopen
 2015-02-20 23:16:38 +08:00
Matt Johnston
86a717c80c fallback for old glibc and fastopen 
memset rather than = {0} initialiser

--HG--
branch : fastopen
 2015-02-19 22:33:51 +08:00
Matt Johnston
76a3eb393c In theory TFO should work. Needs platform cleanup and testing 
--HG--
branch : fastopen
 2015-02-19 00:32:00 +08:00
Matt Johnston
755c1458f0 async connections working 
--HG--
branch : fastopen
 2015-02-18 22:46:15 +08:00
Matt Johnston
8795d733ec work in progress for async connect 
--HG--
branch : fastopen
 2015-02-18 00:05:27 +08:00
Matt Johnston
28f61c8b3a tcp fastopen for the server 
--HG--
branch : fastopen
 2015-02-15 22:34:05 +08:00
Matt Johnston
9abcc7b909 connect_remote() is now always non-blocking 2015-02-14 09:56:11 +08:00
Matt Johnston
2c35f1c8fd Add envirnonment variable for debug timestamps to roughly match 
network timestamps (in tshark)
 2015-02-13 23:47:53 +08:00
Matt Johnston
9174de47a9 Fix bad multi-statement define for m_free(), detected by Coverity 2015-01-28 22:43:01 +08:00
Matt Johnston
6165f53fcd Default client key path ~/.ssh/id_dropbear 2015-01-24 00:05:26 +08:00
Matt Johnston
923fc9087c - Don't use multichar constants since recent gcc complains 
- Add release script
- Simplify print_version
 2014-07-27 22:55:29 +08:00
Matt Johnston
da57dd13c5 Set tcp priority as follows: 
if (connecting || ptys || x11) tos = LOWDELAY;
else if (tcp_forwards) tos = 0;
else tos = BULK;

TCP forwards could be either lowdelay or bulk, hence the default priority.
 2014-07-16 22:53:32 +08:00
Matt Johnston
e767bbb41f Add new monotonic_now() wrapper so that timeouts are unaffected by 
system clock changes
 2014-03-13 23:50:09 +08:00
Matt Johnston
998d6cdfc4 - Sockets are set to lowdelay priority initially to improve conneciton setup 
time
- Set non-pty connections to bulk for client and server
 2013-12-03 00:04:48 +08:00
Catalin Patulea
ddc10b2d0c Set IPTOS_LOWDELAY on PTY sessions only 2013-12-02 22:55:43 +08:00
Matt Johnston
45bd0edae5 Merge in changes from the past couple of releases 
--HG--
branch : ecc
 2013-10-18 21:38:01 +08:00
Matt Johnston
d1dec41f76 Constant time memcmp for the hmac and password crypt 2013-10-03 22:25:30 +08:00
Matt Johnston
04518e9e80 merge in HEAD 
--HG--
branch : ecc
 2013-05-21 12:09:35 +08:00
Matt Johnston
a7d1a9cfcb add printmpint() for debugging 
--HG--
branch : ecc
 2013-04-08 23:12:35 +08:00
Matt Johnston
f267ca1f3a Add sentinel attribute 
--HG--
branch : kexguess
 2013-04-03 00:32:05 +08:00
Matt Johnston
90cf7f012c Move the more verbose TRACE() statements into TRACE2() 2013-04-01 00:07:26 +08:00
Matt Johnston
2e0145fb95 - We don't need to test for NULL before free() 2011-12-04 05:23:43 +08:00
Matt Johnston
2028b1b517 Add noreturn and format attribute hints for some functions. 
--HG--
extra : convert_revision : 6cc8735d01f0360b918edc26be05681725c0022a
 2011-04-07 12:59:18 +00:00
Matt Johnston
f88bed7a30 Rearrange getaddrstring() etc 
--HG--
extra : convert_revision : 8a18c4a60aeaec085923d13d98fa0f93c506ceba
 2009-09-01 16:38:26 +00:00
Matt Johnston
e674c73ee6 propagate from branch 'au.asn.ucc.matt.dropbear' (head 4fb35083f0f46ea667e7043e7d4314aecd3df46c) 
to branch 'au.asn.ucc.matt.dropbear.cli-agent' (head 833d0adef6cdbf43ea75283524c665e70b0ee1ee)

--HG--
branch : agent-client
extra : convert_revision : 6bbab8364de17bd9ecb1dee5ffb796e48c0380d2
 2008-09-23 16:05:04 +00:00
Matt Johnston
643626d546 Replace calls to strtoul() with a helper m_str_to_uint() 
--HG--
extra : convert_revision : 1f8643c5ba7fe789c120b503c396281ac45f9730
 2008-09-22 14:13:44 +00:00
Matt Johnston
12929e8cf0 - Add run_shell_command() function to run a "sh -c" command, handling 
lots of the work that exechild did (and can be shared by client -J option)

--HG--
extra : convert_revision : a15dfd8017af8212b3b227f18ce2539dd471f7f6
 2008-09-15 14:04:55 +00:00
Matt Johnston
7ac24b10b9 - Generalise spawn_command function 
--HG--
extra : convert_revision : 9927a5fe084c8053c747a40515f0213141ef8139
 2008-09-15 13:41:18 +00:00
Matt Johnston
e41452afeb propagate from branch 'au.asn.ucc.matt.dropbear' (head 8a7db1e2fdc5636abb338adb636babc32f465739) 
to branch 'au.asn.ucc.matt.dropbear.cli-agent' (head d82c25da2f7e4fb6da510d806c64344e80bb270d)

--HG--
branch : agent-client
extra : convert_revision : 78d02301ae8310efa2639f15da0ea62dea110e4b
 2007-08-16 13:34:37 +00:00
Matt Johnston
47e76de56a Disable core dumps 
--HG--
extra : convert_revision : ba8ebf724630561c6b9285247be7574a33853a17
 2007-02-12 10:43:44 +00:00
Matt Johnston
f7caf6f5c6 propagate from branch 'au.asn.ucc.matt.dropbear' (head 0501e6f661b5415eb76f3b312d183c3adfbfb712) 
to branch 'au.asn.ucc.matt.dropbear.cli-agent' (head 01038174ec27245b51bd43a66c01ad930880f67b)

--HG--
branch : agent-client
extra : convert_revision : 12b2f59db65e7339d340e95ac67d6d9ddb193c2b
 2006-03-21 16:20:59 +00:00