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Avoid having our own custom stuff and instead use the modern, standard
types, for familiarity.
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Major restructuring of how streams work. Neither input nor output
streams are now blocking. This avoids stalling the rest of the client or
server when a peer is slow or unresponsive.
Note that this puts an extra burden on users of streams to make sure
they are allowed to do their work once the underlying transports are
ready (e.g. monitoring fds).
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Implements support in both client and server for the extended
clipboard format first seen in UltraVNC. Currently only implements
text handling, but that is still an improvement as it extends the
clipboard from ISO 8859-1 to full Unicode.
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Width and height of a cursor are received as U16 from network. Accepting full range of U16 values can cause integer overflows in multiple places.
The worst is probably VLA in CMsgReader::readSetXCursor:
rdr::U8 buf[width*height*4];
The width*height*4 can be too big to fit on stack or it can overflow into negative numbers. Both cases are undefined behaviour. Following writes to buf can overwrite other data on stack.
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The connection object is a much more appropriate object for the
decoders and encoders to keep track of. Besides the streams, it also
contains state like connection parameters.
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This keeps the reader and writer objects clean and simple protocol
decoders/encoders.
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Avoids having to special case things. Keeps the code simpler.
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We have no need for this abstraction so let's keep things simple.
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encoding in the RFB protocol has always been signed, and signed values
are also used in the specification (ie DesktopName = -307 etc). In the
code, however, unsigned types were used in a number of places, but not
all, which causes warnings. This patch fixes the problem by switching
to signed values everywhere.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@3968 3789f03b-4d11-0410-bbf8-ca57d06f2519
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of old and new features.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@3696 3789f03b-4d11-0410-bbf8-ca57d06f2519
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updating the desktop name on the fly.
Tested in ThinLinc since 2008-01-07.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@3549 3789f03b-4d11-0410-bbf8-ca57d06f2519
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More changes will follow.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@589 3789f03b-4d11-0410-bbf8-ca57d06f2519
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