| Commit message (Collapse) | Author | Age | Files | Lines |
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Use the more specific already included exception classes for common
errors to keep things more understandable.
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Use the new "override" keyword to properly differentiate between new
virtual methods, and existing virtual methods being overridden.
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These will always be byte streams at heart, so let's try to keep them
with a proper type. Should make it clearer how they will be used.
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Avoid having our own custom stuff and instead use the modern, standard
types, for familiarity.
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Just have a simply number of bytes argument to avoid a lot of
complexity.
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They were accidentally left unused in fbad8a9 so they haven't been used
in some time.
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We use a lot of lengths given to us over the network, so be more
paranoid about them causing an overflow as otherwise an attacker
might trick us in to overwriting other memory.
This primarily affects the client which often gets lengths from the
server, but there are also some scenarios where the server might
theoretically be vulnerable.
Issue found by Pavel Cheremushkin from Kaspersky Lab.
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Provides safety against them accidentally becoming negative because
of bugs in the calculations.
Also does the same to CharArray and friends as they were strongly
connection to the stream objects.
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parameters were determined through extensive low-level profiling (see http://www.virtualgl.org/pmwiki/uploads/About/turbototiger.pdf). The other enhancements involved: (1) porting the solid subrectangle pre-computation code from TightVNC/TurboVNC (it makes a pretty big difference-- see report), (2) encapsulating the JPEG encoder in its own class (this eliminates a buffer copy, and the JPEG buffer is now set to a decent size where it shouldn't ever need to be paged or re-allocated, except in rare corner cases), (3) adding support for last rect. encoding (necessary to support the solid rectangle pre-computation enhancements.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4626 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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