of the GET_32BIT macros and then used as length fields. Missing bounds
checks against zero have been added, and also I've introduced a helper
function toint() which casts from unsigned to int in such a way as to
avoid C undefined behaviour, since I'm not sure I trust compilers any
more to do the obviously sensible thing.
[originally from svn r9918]
effect of handling it, but they do not free it if it isn't a packet
they recognise as part of their upload/download. Invent a return value
that specifically signals this, and consistently free pktin at every
call site if that return value comes back. Also, ensure that that
return value also always comes with something meaningful in fxp_error.
[originally from svn r9915]
own newline before the one tell_user puts on the end anyway. Also,
while I'm here, make up my mind about whether to prefix messages with
"scp:" or "pscp:" - I choose the latter.
[originally from svn r9914]
array pointer, _even_ if you're asking it to sort zero elements so
that in principle it should never dereference that pointer. Fix the
four instances in PSCP/PSFTP where this was previously occurring.
[originally from svn r9912]
code, which would have coped badly if ever asked to select the first
font in the list at a size smaller than it supported. Luckily the
first font tended to be one of the X numeric aliases (e.g. 10x20)
which was stored with size zero, so this probably didn't actually come
up for anyone, but better safe than sorry.
[originally from svn r9910]
segfaults if a PuTTY or pterm did not close on exit and then you
either typed something via input_method_commit_event or changed the
line editing or echo settings.
[originally from svn r9908]
which are (a) never NULL anyway, and (b) have already been
dereferenced by the time we make those checks so it would be too late
if they were.
[originally from svn r9906]
connection, and replace it with sensible dynamically allocated
storage. While I'm at it, get rid of the disgusting dual use between
storing an actual hostname and storing an incoming SOCKS request; we
now have a separate pointer variable for each.
[originally from svn r9903]
since there is a theoretical code path (via the crReturn loop after
asking an interactive question about a host key or crypto algorithm)
on which we can leave and return to do_ssh1_login between allocating
and freeing those keys.
(In practice it shouldn't come up anyway with any of the current
implementations of the interactive question functions, not to mention
the unlikelihood of anyone non-specialist still using SSH-1, but
better safe than sorry.)
[originally from svn r9895]
places we simply enforce by assertion that it will match the request
we sent out a moment ago: in fact it can also return NULL, so it makes
more sense to report a proper error message if it doesn't return the
expected value, and while we're at it, have that error message
whatever message was helpfully left in fxp_error() by
sftp_find_request when it failed.
To do this, I've written a centralised function in psftp.c called
sftp_wait_for_reply, which is handed a request that's just been sent
out and deals with the mechanics of waiting for its reply, returning
the reply when it arrives, and aborting with a sensible error if
anything else arrives instead. The numerous sites in psftp.c which
called sftp_find_request have all been rewritten to do this instead,
and as a side effect they now look more sensible. The only other uses
of sftp_find_request were in xfer_*load_gotpkt, which had to be
tweaked in its own way.
While I'm here, also fix memory management in sftp_find_request, which
was freeing its input packet on some but not all error return paths.
[originally from svn r9894]
where the GTK1 detection function AM_PATH_GTK hasn't been provided by
/usr/share/aclocal/gtk.m4 or equivalent.
(Systems without gtk.m4 are becoming more common, but on the other
hand I know at least one person is still using GTK 1 PuTTY since the
0.62 release.)
[originally from svn r9868]
character set configuration to UTF-8, on both Windows and Unix, and
reorganise the dropdown lists in the Translation menu so that UTF-8
appears at the top (and Unix's odd "use font encoding" is relegated to
the bottom of the list like the special-purpose oddity it is).
[originally from svn r9843]
buffered in terminal.c indefinitely and only released when further
output turned up.
Arose because we suppress the call to term_out from term_data if a
drag-select is in progress, but when the drag-select ends we weren't
proactively calling term_out to release the buffered data. So if your
session generated some terminal output while you were in mid-select,
_and had stopped by the time you let go of the mouse button_, then the
output would just sit there until released by the next call to
term_data.
[originally from svn r9768]
privileges just before dying of a fatal signal. I'm not sure what I
intended it for in the first place; it certainly isn't doing its job
properly (no setgid), it's causing compiler warnings due to not
checking the setuid return code, and we can't think of any useful
purpose for it.
[originally from svn r9766]
as specified in RFC 6668. This is not so much because I think it's
necessary, but because scrypt uses HMAC-SHA-256 and once we've got it we
may as well use it.
Code very closely derived from the HMAC-SHA-1 code.
Tested against OpenSSH 5.9p1 Debian-5ubuntu1.
[originally from svn r9759]
xterm mouse tracking, both supported by the current up-to-date xterm
(288). They take the form of two new DEC terminal modes, 1006 and
1015, which do not in themselves _enable_ mouse tracking but they
modify the escape sequences sent if mouse tracking is enabled in the
usual way.
[originally from svn r9752]
and returns its error message as a string, instead of actually
printing it on standard error and exiting. Now we can preserve the
previous error behaviour when we get a nonexistent font name at
startup time, but no longer rudely terminate in mid-session if the
user configures a bogus font name in Change Settings.
[originally from svn r9745]
and into AM_CPPFLAGS. This is more conceptually sensible according to
my reading of the automake manual, and also has the specific desirable
effect that they move to the front of the command line, ahead of any
'system' type -I options that autoconf might have felt a need for.
A user reported that autoconf had added -I/usr/local/include to their
command line for the sake of a required header file, but their
/usr/local/include also turned out to include a thing called 'proxy.h'
(from libproxy, nothing to do with us) which shadowed our own proxy.h
and caused a build failure. This should fix that.
[originally from svn r9736]
bignum code's test harness. Thanks to Sup Yut Sum for fixing this in
TortoisePlink and Sven Strickroth for bringing it to my attention.
[originally from svn r9731]
treat all socket closures as clean exits (because the protocol doesn't
provide for transferring a process exit code) could usefully at least
treat _socket errors_ as unclean exits. Patch the Telnet, Rlogin and
Raw backends to retain that information and return INT_MAX to the
frontend.
I wasn't sure whether it was better to solve this by modifying each
affected frontend, or each affected backend. I chose the latter, but
neither is really ideal; this is the sort of thing that makes me wish
we had a piece of fixed middleware in between, independent of both
platform and protocol.
[originally from svn r9730]
pty_utmp_helper_pipe _and_ the close of it if we're not going to write
should be conditionalised on the pipe existing, rather than just the
former!
[originally from svn r9729]
open("/dev/ptmx"), where the former is available. Improves
portability, since at least one OS (OpenBSD) supports the POSIX pty
functions but does it via an underlying mechanism which doesn't
involving having a /dev/ptmx.
[originally from svn r9728]
OS doesn't automatically assume it.
(It would seem faintly weird to me - surely opening the master end of
a given pty is a fairly good indication that you're _not_ a process
running inside it which wants to have it available as /dev/tty! But
you never know...)
[originally from svn r9727]
attempting to call lineptr() with a y-coordinate off the bottom of the
screen and triggering the dreaded 'line==NULL' message box.
This crash can only occur if the bottommost line of the screen has the
LATTR_WRAPPED flag set, which as far as I can see you can only
contrive by constructing a LATTR_WRAPPED line further up the screen
and then moving it down using an insert-line escape sequence. That's
probably why this bug has been around forever without anyone coming
across it.
[originally from svn r9726]
use 32-bit scrollbar position data instead of being limited to the
16-bit version that comes in scrollbar messages' wParam.
[originally from svn r9720]
capture the error code if listen() returned an error, and instead pass
0 (saved from the previous successful bind) to winsock_error_string.
[originally from svn r9708]
public key but not the private half, NULL out all the CRT-optimisation
fields as well as the private exponent pointer. Otherwise segfaults -
security-harmless, but annoying - can happen in freersakey() when we
notice they aren't null and try to free them.
[originally from svn r9705]
FormatMessage to get the OS's text for any error not in our own
translation table. Should eliminate the frustrating 'unknown error'.
(I haven't chosen to use FormatMessage unconditionally, because it
comes out with enormous messages along the lines of "No connection
could be made because the target machine actively refused it" in place
of "Connection refused" and I'm Unixy enough to prefer the latter.
Also, on older Windowses, Winsock error codes are in a separate API
segment and don't work with FormatMessage anyway.)
[originally from svn r9704]
IPv6 addresses, because I'd mistakenly cast an ai_addr to the low-
level 'struct in6_addr' instead of the correct 'struct sockaddr_in6'.
[originally from svn r9690]
should not call plug functions, because it's being called from within
new_connection(), and the state on which the plug functions depend
will not have been set up until new_connection() returns success.
Instead, we set the error string in the Proxy_Socket, which will cause
the same error message to be returned as a failure of new_connection().
[originally from svn r9689]
localhost connections, and also enable X forwarding in such a way that
it will attempt to connect to a Unix-domain X server socket, an
assertion will fail when proxy_for_destination() tries to call
sk_getaddr(). Fix by ensuring that Unix-domain sockets are _never_
proxied, since they fundamentally can't be.
[originally from svn r9688]
