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Validate ent index bounds in LookupEntity (bug 5080, r=fyren).

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This commit is contained in:
Nicholas Hastings 2011-09-09 15:29:17 -04:00
parent 17e630caab
commit 42c287bb2a
1 changed files with 6 additions and 0 deletions
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6
core/HalfLife2.cpp
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@ -786,6 +786,12 @@ CBaseEntity *CHalfLife2::ReferenceToEntity(cell_t entRef)
*/ */
CEntInfo *CHalfLife2::LookupEntity(int entIndex) CEntInfo *CHalfLife2::LookupEntity(int entIndex)
{ {
// Make sure that our index is within the bounds of the global ent array
if (entIndex < 0 || entIndex >= NUM_ENT_ENTRIES)
{
return NULL;
}
if (!g_EntList || entInfoOffset == -1) if (!g_EntList || entInfoOffset == -1)
{ {
/* Attempt to use engine interface instead */ /* Attempt to use engine interface instead */