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Commit Graph

73 Commits

Author SHA1 Message Date
Simon Tatham
631b494807 New command-line option in Plink (and PuTTY, though it's less useful
there): `plink host -nc host2:port' causes the SSH connection's main
channel to be replaced with a direct-tcpip connection to the
specified destination. This feature is mainly designed for use as a
local proxy: setting your local proxy command to `plink %proxyhost
-nc %host:%port' lets you tunnel SSH over SSH with a minimum of
fuss. Works on all platforms.

[originally from svn r6823]
2006-08-28 15:12:37 +00:00
Jacob Nevins
7958a63147 Sprinkle some header comments in various files in an attempt to explain what
they're for.

[originally from svn r6639]
2006-04-23 18:26:03 +00:00
Simon Tatham
c2b2d9c539 Introduce a new checkbox and command-line option to inhibit use of
Pageant for local authentication. (This is a `don't use Pageant for
authentication at session startup' button rather than a `pretend
Pageant doesn't exist' button: that is, agent forwarding is
independent of this option.)

[originally from svn r6572]
2006-02-19 12:05:12 +00:00
Jacob Nevins
8719f92c14 Revamp SSH authentication code so that user interaction is more
abstracted out; replace loops structured around a single interaction
per loop with less tortuous code (fixes: `ki-multiprompt-crash',
`ssh1-bad-passphrase-crash'; makes `ssh2-password-expiry' and
`proxy-password-prompt' easier).

The new interaction abstraction has a lot of fields that are unused in
the current code (things like window captions); this is groundwork for
`gui-auth'. However, ssh.c still writes directly to stderr; that may
want to be fixed.

In the GUI apps, user interaction is moved to terminal.c. This should
make it easier to fix things like UTF-8 username entry, although I
haven't attempted to do so. Also, control character filtering can be
tailored to be appropriate for individual front-ends; so far I don't
promise anything other than not having made it any worse.

I've tried to test this fairly exhaustively (although Mac stuff is
untested, as usual). It all seems to basically work, but I bet there
are new bugs. (One I know about is that you can no longer make the
PuTTY window go away with a ^D at the password prompt; this should be
fixed.)

[originally from svn r6437]
[this svn revision also touched putty-wishlist]
2005-10-30 20:24:09 +00:00
Jacob Nevins
c151955408 Fix potential fault where -L/-R/-D could accept a string too long for our
portfwd[] array. (Not sure what would happen in this case, mind.)
Also modify -L/-R/-D code to cope with IPv4/IPv6 tunnels in saved settings.

[originally from svn r5440]
2005-03-04 01:54:56 +00:00
Simon Tatham
6daf6faede Integrate unfix.org's IPv6 patches up to level 10, with rather a lot
of polishing to bring them to what I think should in principle be
release quality. Unlike the unfix.org patches themselves, this
checkin enables IPv6 by default; if you want to leave it out, you
have to build with COMPAT=-DNO_IPV6.

I have tested that this compiles on Visual C 7 (so the nightlies
_should_ acquire IPv6 support without missing a beat), but since I
don't have IPv6 set up myself I haven't actually tested that it
_works_. It still seems to make correct IPv4 connections, but that's
all I've been able to verify for myself. Further testing is needed.

[originally from svn r5047]
[this svn revision also touched putty-wishlist]
2004-12-30 16:45:11 +00:00
Simon Tatham
dd279dffc2 Implement part of `ssh2-generality': introduce the ability to tell
PuTTY / Plink not to run a remote shell/command at all. Supported in
the GUI configuration and via the (OpenSSH-like) -N command-line
option.

No effort is currently made to arrange `nice' UI properties. If you
do this in GUI PuTTY, a full-size terminal window will still be
created, and will sit there with almost nothing in it throughout
your session. If you do it in Plink, Plink will not accept any kind
of request to terminate gracefully; you'll have to ^C or kill it.
Nonetheless, even this little will be useful to some people...

[originally from svn r4614]
2004-10-13 13:43:11 +00:00
Jacob Nevins
c2914f2191 Fix for `psftp-pscp-ignore-load': Default Settings is now loaded
before "-load" is processed so that it doesn't clobber it.

I've also changed the semantics of "-load" slightly for PSCP, PSFTP,
and Plink: if it's specified at all, it overrides (disables) the
implicit loading of session details based on a supplied hostname
elsewhere (on the grounds that the user is more likely to want the
"-load" session than the implicit session). (PuTTY itself doesn't do
implicit loading at all, so I haven't changed it.)

This means that all the PuTTY tools' behaviour is now consistent iff
"-load" is specified (otherwise, some tools have implicit-session, and
others don't).

However, I've not documented this behaviour, as there's a good chance
it will be swept away if and when we get round to sorting out how we
deal with settings from multiple sources. It's intended as a "do
something sensible" change.

[originally from svn r4352]
2004-07-25 14:00:26 +00:00
Jacob Nevins
8ef84a8a21 Comment explaining `need_save' argument to cmdline_process_param().
[originally from svn r4349]
2004-07-24 19:25:49 +00:00
Simon Tatham
7a1eae7ff2 Joe Yates's memory leak patches.
[originally from svn r3650]
2003-12-19 12:44:46 +00:00
Simon Tatham
8a3ff2bf3e Dynamic port forwarding by means of a local SOCKS server. Fully
supports SOCKS 4, SOCKS 4A and SOCKS 5 (well, actually IPv6 in SOCKS
5 isn't supported, but it'll be no difficulty once I actually get
round to it). Thanks to Chas Honton for his `stone soup' patch: I
didn't end up actually using any of his code, but it galvanised me
into doing it properly myself :-)

[originally from svn r3055]
2003-04-05 11:45:21 +00:00
Simon Tatham
62844b4590 Support for PuTTY-style command-line arguments in Unix PuTTY. I
think it's now actually usable as a day-to-day SSH client, even if
things like the Event Log are still missing. So I call that a decent
lunch hour's work :-)

[originally from svn r3034]
2003-03-31 12:10:53 +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
271adc266d Fiddle with the cmdline_saved mechanism: the `-load' option is now
never deferred, but is evaluated instantly. This _should_ fix all
the irritating problems with (for example) proxy settings and saved
sessions not playing nicely. Or it may have some other ghastly side-
effect I haven't considered; really I ought to have been keeping
better track of all the problems in this area :-(

[originally from svn r2976]
2003-03-22 10:36:28 +00:00
Simon Tatham
f26b7aa0d3 Created new data types Filename' and FontSpec', intended to be
opaque to all platform-independent modules and only handled within
per-platform code. `Filename' is there because the Mac has a magic
way to store filenames (though currently this checkin doesn't
support it!); `FontSpec' is there so that all the auxiliary stuff
such as font height and charset and so on which is needed under
Windows but not Unix can be kept where it belongs, and so that I can
have a hope in hell of dealing with a font chooser in the forthcoming
cross-platform config box code, and best of all it gets the horrid
font height wart out of settings.c and into the Windows code where
it should be.
The Mac part of this checkin is a bunch of random guesses which will
probably not quite compile, but which look roughly right to me.
Sorry if I screwed it up, Ben :-)

[originally from svn r2765]
2003-02-01 12:54:40 +00:00
Simon Tatham
5738dc219b The command-line routines now take a pointer to `cfg' as an
argument, so they don't depend on it being a global any more.

[originally from svn r2555]
2003-01-12 14:17:03 +00:00
Simon Tatham
99b870dbc6 Implement `portfwd-loopback-choice'. Works on local side in Unix as
well, though it's a lot less useful since you still can't bind to
low-numbered ports of odd loopback IPs. Should work in principle for
SSH2 remote forwardings as well as local ones, but OpenSSH seems
unwilling to cooperate.

[originally from svn r2344]
2002-12-18 11:39:25 +00:00
Simon Tatham
52bdffbfe0 More preparatory work: remove the <windows.h> include from lots of
source files in which it's no longer required (it was previously
required in anything that included <putty.h>, but not any more).
Also moved a couple of stray bits of exposed WinSock back into
winnet.c (getservbyname from ssh.c and AF_INET from proxy.c).

[originally from svn r2160]
2002-10-30 17:57:31 +00:00
Jacob Nevins
9ccb502c47 Convert from CRLF to Unix line endings -- no other change
[originally from svn r1914]
2002-09-02 13:32:37 +00:00
Simon Tatham
54e9304111 Arrgh, we can't have -p for port number because we're already using
it for preserving file attributes in PSCP! Ah well; looks as if
that's one where we'll have to agree to differ with OpenSSH.

[originally from svn r1821]
2002-08-07 19:09:33 +00:00
Simon Tatham
b844f3c0bf Some of the new options shouldn't be available in the file transfer
tools.

[originally from svn r1820]
2002-08-07 18:43:40 +00:00
Simon Tatham
6bfb676d8b Add a load of new command-line options pilfered from OpenSSH. Full
list is: -A, -a, -X, -x, -T, -t, -C, -1, -2, -i keyfile.

[originally from svn r1817]
2002-08-07 17:55:06 +00:00
Simon Tatham
118fc8c81e Revamp of command-line handling. Most command line options should
now be processed in cmdline.c, which is called from all utilities
(well, not Pageant or PuTTYgen). This should mean we get to
standardise almost all options across almost all tools. Also one
major change: `-load' is now the preferred option for loading a
saved session in PuTTY proper. `@session' still works but is
deprecated.

[originally from svn r1799]
2002-08-04 21:18:56 +00:00