(svn r10555) -Codechange/Fix: add a soft limit of 4096 "entities" in a station's waiting queue and a hard limit of 32768 so (malicious) people cannot cause a "denial of service" attack by filling cargo lists.
--- a/src/station_cmd.cpp Fri Jul 13 19:06:12 2007 +0000
+++ b/src/station_cmd.cpp Fri Jul 13 20:46:53 2007 +0000
@@ -2411,6 +2411,21 @@
}
}
+ /* At some point we really must cap the cargo. Previously this
+ * was a strict 4095, but now we'll have a less strict, but
+ * increasingly agressive truncation of the amount of cargo. */
+ static const uint WAITING_CARGO_THRESHOLD = 1 << 12;
+ static const uint WAITING_CARGO_CUT_FACTOR = 1 << 6;
+ static const uint MAX_WAITING_CARGO = 1 << 15;
+
+ if (waiting > WAITING_CARGO_THRESHOLD) {
+ uint difference = waiting - WAITING_CARGO_THRESHOLD;
+ waiting -= (difference / WAITING_CARGO_CUT_FACTOR);
+
+ waiting = min(waiting, MAX_WAITING_CARGO);
+ waiting_changed = true;
+ }
+
if (waiting_changed) ge->cargo.Truncate(waiting);
}
}