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Core/Packets: Add some additional movementflag filtering to eliminate some packet spoof attempts.

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This commit is contained in:
Machiavelli
2011-06-27 00:10:53 +02:00
parent 6ce529aff3
commit 5864a2e151
1 changed files with 24 additions and 0 deletions
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src/server/game/Server/WorldSession.cpp
+24
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@@ -760,6 +760,30 @@ void WorldSession::ReadMovementInfo(WorldPacket &data, MovementInfo *mi)
// it will freeze clients that receive this player's movement info.
if (mi->HasMovementFlag(MOVEMENTFLAG_ROOT))
mi->flags &= ~MOVEMENTFLAG_ROOT;
// Cannot hover and jump at the same time
if (mi->HasMovementFlag(MOVEMENTFLAG_HOVER) && mi->HasMovementFlag(MOVEMENTFLAG_JUMPING))
mi->flags &= ~MOVEMENTFLAG_JUMPING;
// Cannot ascend and descend at the same time
if (mi->HasMovementFlag(MOVEMENTFLAG_ASCENDING) && mi->HasMovementFlag(MOVEMENTFLAG_DESCENDING))
mi->flags &= ~(MOVEMENTFLAG_ASCENDING | MOVEMENTFLAG_DESCENDING);
// Cannot move left and right at the same time
if (mi->HasMovementFlag(MOVEMENTFLAG_LEFT) && mi->HasMovementFlag(MOVEMENTFLAG_RIGHT))
mi->flags &= ~(MOVEMENTFLAG_LEFT | MOVEMENTFLAG_RIGHT);
// Cannot strafe left and right at the same time
if (mi->HasMovementFlag(MOVEMENTFLAG_STRAFE_LEFT) && mi->HasMovementFlag(MOVEMENTFLAG_STRAFE_RIGHT))
mi->flags &= ~(MOVEMENTFLAG_STRAFE_LEFT | MOVEMENTFLAG_STRAFE_RIGHT);
// Cannot pitch up and down at the same time
if (mi->HasMovementFlag(MOVEMENTFLAG_PITCH_UP) && mi->HasMovementFlag(MOVEMENTFLAG_PITCH_DOWN))
mi->flags &= ~(MOVEMENTFLAG_PITCH_UP | MOVEMENTFLAG_PITCH_DOWN);
// Cannot move forwards and backwards at the same time
if (mi->HasMovementFlag(MOVEMENTFLAG_FORWARD) && mi->HasMovementFlag(MOVEMENTFLAG_BACKWARD))
mi->flags &= ~(MOVEMENTFLAG_FORWARD | MOVEMENTFLAG_BACKWARD);
}
void WorldSession::WriteMovementInfo(WorldPacket *data, MovementInfo *mi)