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7912b79fa2
Implement bounds check for non-sanitized value of u.m_nNewEntity. Debug builds of the engine have an assertion, however in release these are stripped. This fixes a full chain client RCE exploit, for more information, see: https://ctf.re/source-engine/exploitation/2021/05/01/source-engine-2/
33 lines
1.1 KiB
C
33 lines
1.1 KiB
C
//===== Copyright (c) 1996-2005, Valve Corporation, All rights reserved. ======//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//
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//=============================================================================//
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#ifndef CONST_H
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#define CONST_H
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// How many bits to use to encode an edict.
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#define MAX_EDICT_BITS 14 // # of bits needed to represent max edicts
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// Max # of edicts in a level
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#define MAX_EDICTS (1<<MAX_EDICT_BITS)
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enum RenderMode_t
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{
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kRenderNormal = 0, // src
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kRenderTransColor, // c*a+dest*(1-a)
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kRenderTransTexture, // src*a+dest*(1-a)
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kRenderGlow, // src*a+dest -- No Z buffer checks -- Fixed size in screen space
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kRenderTransAlpha, // src*srca+dest*(1-srca)
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kRenderTransAdd, // src*a+dest
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kRenderEnvironmental, // not drawn, used for environmental effects
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kRenderTransAddFrameBlend, // use a fractional frame value to blend between animation frames
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kRenderTransAlphaAdd, // src + dest*(1-a)
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kRenderWorldGlow, // Same as kRenderGlow but not fixed size in screen space
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kRenderNone, // Don't render.
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kRenderModeCount, // must be last
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};
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#endif // CONST_H
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