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285 Commits

Author SHA1 Message Date
Michael Jarvis 21d5dca682 Use HAVE_UTEMPTER instead of HAVE_UPTEMPTER 
Fix typo for issue #942:
- mosh-server incorrectly reports detached session in utmp/wtmp
 2017-11-21 06:05:33 -06:00
John Hood ce7ba37ad4 Overlays were getting set to the wrong colors. Fix. 2017-11-06 09:30:57 -05:00
Tom Judge ab31b0f271 Add syslog logging of connections 
Log connection change events to syslog in the auth log, logging the PID,
username and remote host.

Also log session begin and end.

Co-Authored-By: John Hood <cgull@glup.org>
 2017-11-05 11:54:43 -05:00
John Hood cf493da7b4 Make Terminal::Renditions smaller, and its members private. 2017-11-04 14:37:11 -04:00
John Hood b11d524bb7 Restore asserts and error handling 
A couple of them got improved out of existence.
 2017-08-23 15:09:43 -04:00
John Hood a40b67691a Remove various assert(constant) calls 
These cause warnings from static checkers, and seem to lead to spurious
GCC7 -Wmaybe-uninitialized.
 2017-08-06 23:12:05 -04:00
John Hood 4835dcf5ee Various switch statement fixes. 2017-08-06 22:22:25 -04:00
John Hood 3346419724 Remove excessive parentheses 
There are many more.
 2017-08-06 22:22:20 -04:00
John Hood 1ae23b4dcc Prefer early exit/break to large conditional blocks. 
Some of these are large and contain smaller unrelated refactors.
 2017-08-06 22:22:09 -04:00
John Hood b1a6f7c144 Eliminate unnecessary, trailing else conditional blocks. 2017-08-06 22:22:05 -04:00
John Hood 43785eb820 Collapse nested conditionals. 2017-08-06 22:21:56 -04:00
John Hood 8ca8a54e11 Split a long printf format string. 2017-08-06 22:21:38 -04:00
John Hood 2b724d5868 Simplify some conditionals in terminaloverlay.cc. 2017-08-02 22:56:19 -04:00
John Hood 42d2b5d029 Use shared_ptr and references for Actions. 
This slows terminal emulation slightly.
 2017-08-02 22:07:02 -04:00
John Hood c6c7f09954 Deref a shared pointer in a per-byte loop 2017-08-02 22:07:02 -04:00
John Hood 8f68400c13 Convert new/delete to shared_ptr. 2017-08-02 22:07:02 -04:00
John Hood eef77fd5a5 Convert strdup/free to string 2017-08-02 22:07:02 -04:00
John Hood 4902970486 Fix utempter #ifdefs. 2017-08-02 22:07:02 -04:00
John Hood c49c67cecf --predict-overwrite was still inserting one column sometimes. Fix. 2017-08-02 21:56:32 -04:00
John Hood 8aac3cc927 Allow non-inserting prediction. 
This may be useful for users who find prediction's activity right of
the cursor distracting.

Prediction underscoring is still a little weird sometimes, it replays
a history of known/unknown changes as acks come in from the server.
 2017-08-02 00:31:37 -04:00
John Hood 91de8901f5 Don't do prediction on large pastes into mosh-client. 
Fixes #482, memory use blowup on large pastes.  mosh is still pretty slow
about copying pastes through, though.
 2017-08-02 00:31:37 -04:00
John Hood 48e9dd169f Reformat printed strings in source 
Consolidate multiple printfs.
Break up multiline strings with string concatentation, for better
 clarity and shorter lines.
Use fputs where appropriate.

This also has the benefit of producing a single constant string with
copyright and versions in the binaries.
 2017-08-02 00:02:52 -04:00
Adrien Destugues aa74af9a34 Fix build on Haiku. 
- Look for socket in libnetwork
- Look for forkpty in libbsd
 2017-04-24 22:40:31 -04:00
John Hood 32b1e6ee4b Print {,/var}/run/motd.dynamic on Ubuntu. 2017-04-24 22:40:30 -04:00
John Hood 3f0ac51071 Don't print /etc/motd on IllumOS. 2017-04-24 22:40:30 -04:00
Jérémie Courrèges-Anglas c0bf8053b2 Remove deprecated pledge("ioctl") 
Unbreaks mosh on recent (> 2017/03/18) OpenBSD systems.
 2017-03-20 09:54:33 -04:00
John Hood a993c83632 Handle GCC 7's new -Wimplicit-fallthrough. 2017-01-31 22:12:27 -05:00
John Hood bb54325dc9 s/geteuid/getuid/ for correct user lookups 
Addresses an issue mentioned in #193.
 2016-11-23 17:03:45 -05:00
John Hood 24eb5a7544 Remove a Network::Exception that isn't one. 
Code smell pointed out by Coverity.
 2016-11-19 21:11:04 -05:00
Anders Kaseorg 94027efc45 Make all commands properly support --help and --version 
These should output to stdout and exit with status 0.  Passing
std-options to AM_INIT_AUTOMAKE causes ‘make installcheck’ (hence also
‘make distcheck’) to verify this.

Signed-off-by: Anders Kaseorg <andersk@mit.edu>
 2016-11-19 17:15:48 -05:00
John Hood 302c7deb41 Describe Cell width as a narrow/wide boolean. 
A character cell can only be either narrow or wide.  It's more
convenient to represent that as an int containing 1 or 2, but slightly
more correct to represent it as a "boolean" single-bit integer.
 2016-11-17 00:56:31 -05:00
John Hood 9ffbeddbc8 Put spin debug under -vv flag, and add to mosh-client 2016-11-06 06:15:41 -05:00
John Hood 22f5d58144 Exit gracefully on pty write or ioctl failure. 
Fixes #821, OS X abnormal exit on client input at mosh-server
shutdown.  On OpenIndiana, TIOCG[GS]WINSZ also fail in this situation.
 2016-11-06 06:14:02 -05:00
John Hood 795549aafb OpenIndiana pid_t is long int 2016-11-06 06:09:49 -05:00
John Hood 1077db41b6 Support OpenBSD 6.0 pledge() syscall for sandboxing. 2016-09-19 13:23:16 -04:00
John Hood 39ea3d9512 Fix excess newlines on mosh startup/shutdown. 
Fixes #788.

This also works around issues with remote pty typeahead echo corrupting output
from mosh-server.
 2016-09-19 13:23:16 -04:00
John Hood 70d48fbcc0 Add --no-ssh-pty option. 
This eliminates issues with typeahead being echoed by the remote pty
and corrupting remote output from mosh-server to the mosh script, but
cannot be made default because older mosh-servers require a pty.
 2016-09-19 13:23:15 -04:00
John Hood 4ad131a55d Fix lost MOSH CONNECT on FreeBSD 11 
This moves all routine stdout/stderr output into the parent
server, and adds tcdrain(), even though this may be a
FreeBSD pty bug.
 2016-09-18 01:53:36 -04:00
John Hood 882539884e Remove unnecessary usage of #include <iostream>. Rename templated impls from .cc to -impl.h. 2016-05-14 00:10:59 -04:00
John Hood 9a6e0d576d Coverity fixes: deref of NULL pointers 
We were potentially passing (char *)NULL to string constructors.
 2016-05-10 23:58:56 -04:00
John Hood da30bb74a2 Coverity fixes: deref of stale pointer 
I think this one was actually impossible to trigger.
 2016-05-10 23:57:29 -04:00
Jaeho Shin d636845c8d Display original command line argv via no-op flag. 
Improves 679b819216 to make it simpler to
ignore mosh-client from OS X Terminal.app's "Ask before closing" process
list. (See: http://superuser.com/a/254647)

Moreover, the command displayed from ps is a completely functional one,
which was not the case in the previous approach, that mangles `argv[0]`.

Fixes #742.
 2016-05-08 23:05:36 -04:00
John Hood 880c639361 Include POSIX header strings.h for strncasecmp() 
Motivated by Cygwin.
 2016-05-08 20:46:58 -04:00
John Hood d4832ca63a Fix bugs in resize handling. 
* A resize action could be applied to the framebuffer but discarded
  before being applied to termios, causing them to be out of sync.

* Only every second action was skipped, instead of skipping
  consecutive resize actions, as intended.

Found by inspection, not seen in actual usage or by the window-resize
test.
 2016-03-30 23:52:19 -04:00
John Hood 1de6575e59 mosh-server.cc: Do not start user shell until network session starts 2016-03-30 23:52:19 -04:00
John Hood ca21788c96 Remove usage of exceptional fdsets with select(). 2016-01-11 04:35:21 -05:00
John Hood 2ac3bbeb9b Fix prediction unicode bug. Make all Cell members private. 
Fixes #702.
 2015-12-24 22:27:17 -05:00
John Hood 90a529b18a Fix broken compile on Ubuntu 12.04 2015-12-07 00:25:47 -05:00
john hood 8609f88207 mosh-server: Fix hang with ^S on OS X and FreeBSD. 
Fixes #692.
 2015-12-06 19:09:42 -05:00
John Hood 551b77f27e Remove display-posterizing code. It's been dead 3 years. 
Signed-off-by: John Hood <cgull@glup.org>
 2015-12-06 19:03:36 -05:00