From 6c8a753013685bbecd787a3c120853709344130d Mon Sep 17 00:00:00 2001
From: tudor <tudor@e0a8ed71-7df4-0310-8962-fdc924857419>
Date: Fri, 22 Jul 2016 05:18:32 +0000
Subject: [PATCH] CONCURRENCY_LIMIT in NSE can be increased above 1000 with a
 higher --min-parallelism value

---
 nse_main.cc  | 5 +++++
 nse_main.lua | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/nse_main.cc b/nse_main.cc
index fcb850eff..8b973866d 100644
--- a/nse_main.cc
+++ b/nse_main.cc
@@ -39,6 +39,7 @@
 
 #define NSE_FORMAT_TABLE "NSE_FORMAT_TABLE"
 #define NSE_FORMAT_XML "NSE_FORMAT_XML"
+#define NSE_PARALLELISM "NSE_PARALLELISM"
 
 #ifndef MAXPATHLEN
 #  define MAXPATHLEN 2048
@@ -589,6 +590,10 @@ static int init_main (lua_State *L)
   lua_call(L, 2, 1); /* returns the NSE main function */
 
   lua_setfield(L, LUA_REGISTRYINDEX, NSE_MAIN);
+
+  lua_pushinteger(L, o.min_parallelism);
+  lua_setfield(L, LUA_REGISTRYINDEX, NSE_PARALLELISM);
+
   return 0;
 }
 
diff --git a/nse_main.lua b/nse_main.lua
index 791659d6d..33ed5c93f 100644
--- a/nse_main.lua
+++ b/nse_main.lua
@@ -51,6 +51,7 @@ local DESTRUCTOR = "NSE_DESTRUCTOR";
 local SELECTED_BY_NAME = "NSE_SELECTED_BY_NAME";
 local FORMAT_TABLE = "NSE_FORMAT_TABLE";
 local FORMAT_XML = "NSE_FORMAT_XML";
+local PARALLELISM = "NSE_PARALLELISM";
 
 -- Unique value indicating the action function is going to run.
 local ACTION_STARTING = {};
@@ -1305,6 +1306,10 @@ local function main (hosts, scantype)
     insert(runlevels[script.runlevel], script);
   end
 
+  if _R[PARALLELISM] > CONCURRENCY_LIMIT then
+    CONCURRENCY_LIMIT = _R[PARALLELISM];
+  end
+
   if scantype == NSE_PRE_SCAN then
     print_verbose(1, "Script Pre-scanning.");
   elseif scantype == NSE_SCAN then