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Commit Graph

33 Commits

Author SHA1 Message Date
Simon Tatham
bc4e41154a Close On Exit and Warn On Close fixes: (a) pty_reconfig needs to
remember changes in COE so it knows whether to print a message, and
(b) once the session has already ended, Warn On Close should shut up.

[originally from svn r3102]
2003-04-12 08:27:03 +00:00
Simon Tatham
3bd0415579 Turned the old `Telnet Command' System-submenu into a more general
`Special Command' menu, in which any backend can place its own list
of magical things the user might want to ask the backend to do. In
particular I've implemented the recently proposed "break" extension
in SSH2 using this mechanism.
NB this checkin slightly breaks the Mac build, since it needs to
provide at least a stub form of update_specials_menu().

[originally from svn r3054]
2003-04-04 20:21:05 +00:00
Simon Tatham
a3428ae953 Having created and used uxsel, it actually turns out to be
practically trivial to put all the pieces together and create a
working prototype of Unix PuTTY! It's missing a lot of things -
notably GUI request boxes for host keys and logfiles and so forth,
the Event Log, mid-session reconfiguration, session loading and
saving, sensible population of the character sets drop-down list and
probably other fiddly little things too - but it will put up a
config box and then create a GUI window containing an SSH connection
to the host you specified, so it's _basically_ there. Woo!

[originally from svn r3020]
2003-03-29 19:52:50 +00:00
Simon Tatham
5107780c54 pterm now uses the new uxsel module, so it's one step closer to
being able to be a PuTTY as well as a pterm. In the process I've
also moved icky things like actually reading from the pty fd and
printing the `terminated on signal' messages into pty.c where they
obviously should have been in the first place. Also there's been one
interesting repercussion in the terminal code: terminal.c's
from_backend now calls term_out() directly rather than expecting the
front end to call it afterwards. This has had the entertaining side
effect of fixing a Windows-specific bug whereby activity in a port
forwarding through a PuTTY with a blinking cursor caused the cursor
to blink to ON (!!!!). So, a surprisingly far-reaching checkin as it
turns out...

[originally from svn r3017]
2003-03-29 18:30:14 +00:00
Simon Tatham
d36a4c3685 Introduced wrapper macros snew(), snewn() and sresize() for the
malloc functions, which automatically cast to the same type they're
allocating the size of. Should prevent any future errors involving
mallocing the size of the wrong structure type, and will also make
life easier if we ever need to turn the PuTTY core code from real C
into C++-friendly C. I haven't touched the Mac frontend in this
checkin because I couldn't compile or test it.

[originally from svn r3014]
2003-03-29 16:14:26 +00:00
Simon Tatham
83da92826e Richard B's patch to add WINDOWID support to pterm.
[originally from svn r2912]
2003-03-06 12:57:37 +00:00
Ben Harris
81ada5f24f Add a stub "free" routine for pterm. Thanks to rjk.
[originally from svn r2666]
2003-01-20 20:10:07 +00:00
Simon Tatham
f49c8c5a07 The back ends now contain their own copies of the Config structure,
and have a function to pass in a new one. (Well, actually several
back ends don't actually bother to do this because they need nothing
out of Config after the initial setup phase, but they could if they
wanted to.)

[originally from svn r2561]
2003-01-12 14:48:29 +00:00
Simon Tatham
d6739ada35 Another signal-handling refinement from RJK: the SIGCHLD handler
should be prepared to reap more than one child per invocation if
necessary, since we do after all have two.

[originally from svn r2183]
2002-11-02 16:05:26 +00:00
Simon Tatham
93e9fadc75 RJK's general signal-handling robustness patch. Should fix the weird
spin behaviour occasionally seen after pterm's child process dies.

[originally from svn r2181]
2002-11-02 14:35:57 +00:00
Simon Tatham
4756c15fc9 Yet more global-removal. The static variables in logging.c are now
absent, and also (I think) all the frontend request functions (such
as request_resize) take a context pointer, so that multiple windows
can be handled sensibly. I wouldn't swear to this, but I _think_
that only leaves the Unicode stuff as the last stubborn holdout.

[originally from svn r2147]
2002-10-26 12:58:13 +00:00
Simon Tatham
0b2523eeda Line discipline module now uses dynamically allocated data. Also
fixed one or two other minor problems.

[originally from svn r2141]
2002-10-26 10:16:19 +00:00
Simon Tatham
6e2a0c079b pty backend now supports the changed function interface, so pterm
now compiles and runs again after the major destabilisation.
Unfortunately it wasn't feasible to actually encapsulate all of the
pty backend's data, since the utmp helper and the need to fork and
drop privileges before doing anything else at all rather confuses
matters. So the data handle passed around to the pty backend is a
null pointer, and the pty backend is just as global-ridden as it
always has been. Shame, but such is life.

[originally from svn r2128]
2002-10-25 11:50:51 +00:00
Simon Tatham
bdb47167d1 Implement handling of all Close On Exit modes. Default is to close
only on clean exit, which is a departure from most xterm-alikes but
Ian reckons people will love me for it. If this turns out to be
wrong, we can always change the default for Unix.

[originally from svn r2120]
2002-10-23 14:21:12 +00:00
Simon Tatham
a9bd716df8 Cleanups from yesterday's destabilisation: lots of stuff in
terminal.c was apparently relying on implicit initialisation to
zero, and also I've removed the backends' dependency on terminal.h
by having terminal sizes explicitly passed in to back->size().

[originally from svn r2117]
2002-10-23 12:41:35 +00:00
Simon Tatham
0a80c983e2 Major destabilisation, phase 1. In this phase I've moved (I think)
all the global and function-static variables out of terminal.c into
a dynamically allocated data structure. Note that this does not yet
confer the ability to run more than one of them in the same process,
because other things (the line discipline, the back end) are still
global, and also in particular the address of the dynamically
allocated terminal-data structure is held in a global variable
`term'. But what I've got here represents a reasonable stopping
point at which to check things in. In _theory_ this should all still
work happily, on both Unix and Windows. In practice, who knows?

[originally from svn r2115]
2002-10-22 16:11:33 +00:00
Simon Tatham
5ce13aad0f Stop `pterm -ut-' leaving the unnecessary utmp helper as a zombie
process (Debian bug #165887).

[originally from svn r2113]
2002-10-22 13:26:57 +00:00
Simon Tatham
45c494ff9d Make sure SIGINT and SIGQUIT haven't been nobbled in our child
process by weird POSIX-required shell behaviour.

[originally from svn r2110]
2002-10-21 23:01:34 +00:00
Simon Tatham
068da38044 Don't bother closing fds 0-2 before dup2ing over them; there's no
need, and it means we always have a valid open stderr.

[originally from svn r2109]
2002-10-21 23:00:18 +00:00
Simon Tatham
1aed45b4e1 Fix utmp and pty handling so that GTK never complains about running
set[ug]id. All privs-requiring pty operations are done at the very
start of the run, then privs are dropped before initialising GTK.
Utmp is handled by forking a still-privileged subprocess at this
point, and later asking it (through a pipe) to stamp utmp. The
subprocess cleans up utmp on exit, which has the additional
advantage that if the main pterm process suffers some sort of
unexpected termination (up to and including SIGKILL) the subprocess
can still mop up utmp.

[originally from svn r2082]
2002-10-16 12:17:51 +00:00
Simon Tatham
07a69c5245 Configure the pty so that it agrees with our idea of whether
Backspace sends ^H or ^?.

[originally from svn r2076]
2002-10-15 18:36:18 +00:00
Simon Tatham
e18cf6b714 Don't forget to initialise the pixel size parameters of the window
as passed to the pty...

[originally from svn r2064]
2002-10-15 15:16:21 +00:00
Simon Tatham
0c011dcbe0 Introduce the ability to control whether the shell run in pterm is a
login shell or not. Also moved these new pieces of configuration
into the Config structure, though they won't stay there forever
since they will need to be moved out into platform-dependent config.

[originally from svn r2060]
2002-10-15 13:07:18 +00:00
Simon Tatham
0813c25bf6 Finish up utmp processing: add the -ut- command-line option to
suppress stamping it at all. (I suppose this ought to be part of the
cfg structure really.)

[originally from svn r2059]
2002-10-15 12:42:58 +00:00
Simon Tatham
6118021749 Support for utmp, wtmp and lastlog. Probably not terribly portable
as yet, but seems to work plausibly on Linux.

[originally from svn r2058]
2002-10-15 12:29:52 +00:00
Simon Tatham
cec0515b2c Support for BSD-style pty devices. Tested under Linux; might need
minor tweaks to run under other BSD-style OSes.

[originally from svn r2056]
2002-10-15 10:49:38 +00:00
Simon Tatham
76cda50683 xterm-class programs should exit when their primary child process
dies, rather than waiting around until the last open handle on the
pty closes.

[originally from svn r2044]
2002-10-14 09:18:34 +00:00
Simon Tatham
3c3fd86691 Various faffs in the pty allocation process to get controlling
terminals right. Irritatingly this was working when run from another
[xsp]term but not when run from my GNOME panel. I think it's now
more robust.

[originally from svn r2041]
2002-10-14 08:56:55 +00:00
Simon Tatham
598018644a Don't forget to set $TERM when we spawn the pty. Of course I haven't
noticed this until now because I've always been spawning it _from_
another xterm! :-)

[originally from svn r2039]
2002-10-13 23:57:40 +00:00
Simon Tatham
bacc5cf102 Added two simple command-line arguments: -fn (so I can have my Font
Of Choice back :-) and -e to run a command other than $SHELL.

[originally from svn r2037]
2002-10-13 12:54:17 +00:00
Simon Tatham
0dff7f90da Resizing of pterm now works, and the size information is correctly
sent on to the pty.

[originally from svn r2036]
2002-10-13 12:44:01 +00:00
Simon Tatham
33a54aaa8a And that's it! pty.c is now a real pty backend rather than a
loopback interface; pterm now runs $SHELL and gives every impression
of being not a bad terminal emulator. I'm quite pleased with that. :-)

[originally from svn r2015]
2002-10-10 12:40:05 +00:00
Simon Tatham
6d0e9b205d First phase of porting. pterm now compiles and runs under Linux+gtk.
The current pty.c backend is temporarily a loopback device for
terminal emulator testing, the display handling is only just enough
to show that terminal.c is functioning, the keyboard handling is
laughable, and most features are absent. Next step: bring output and
input up to a plausibly working state, and put a real pty on the
back to create a vaguely usable prototype. Oh, and a scrollbar would
be nice too.
In _theory_ the Windows builds should still work fine after this...

[originally from svn r2010]
2002-10-09 18:09:42 +00:00