New system for silent require errors. Use the new function

stdnse.silent_require. The Lua require function is back in its usual spot
(_G.require).

scripts/http-cakephp-version.nse

@@ -27,6 +27,8 @@ categories = {"discovery","safe"}
 
 require "http"
 require "shortport"
+require "stdnse"
+stdnse.silent_require "openssl"
 
 portrule = shortport.http
 

scripts/http-favicon.nse

@@ -37,7 +37,8 @@ require "http"
 require "stdnse"
 require "datafiles"
 require "nsedebug"
-require "openssl"
+require "stdnse"
+stdnse.silent_require "openssl"
 
 portrule = shortport.http
 

scripts/http-php-version.nse

@@ -28,6 +28,8 @@ categories = {"discovery", "safe"}
 
 require "http"
 require "shortport"
+require "stdnse"
+stdnse.silent_require "openssl"
 
 portrule = shortport.http
 

scripts/mysql-brute.nse

@@ -17,7 +17,7 @@ require 'shortport'
 require 'stdnse'
 require 'mysql'
 require 'unpwdb'
-require 'openssl'
+stdnse.silent_require 'openssl'
 
 -- Version 0.3
 -- Created 01/15/2010 - v0.1 - created by Patrik Karlsson <patrik@cqure.net>

scripts/mysql-databases.nse

@@ -27,7 +27,7 @@ categories = {"discovery", "intrusive"}
 require 'shortport'
 require 'stdnse'
 require 'mysql'
-require 'openssl'
+stdnse.silent_require 'openssl'
 
 dependencies = {"mysql-brute", "mysql-empty-password"}
 

scripts/mysql-users.nse

@@ -30,7 +30,7 @@ categories = {"discovery", "intrusive"}
 require 'shortport'
 require 'stdnse'
 require 'mysql'
-require 'openssl'
+stdnse.silent_require 'openssl'
 
 dependencies = {"mysql-brute", "mysql-empty-password"}
 

scripts/mysql-variables.nse

@@ -38,7 +38,7 @@ categories = {"discovery", "intrusive"}
 require 'shortport'
 require 'stdnse'
 require 'mysql'
-require 'openssl'
+stdnse.silent_require 'openssl'
 
 dependencies = {"mysql-brute", "mysql-empty-password"}
 

scripts/oracle-brute.nse

@@ -37,7 +37,8 @@ categories = {"intrusive", "auth"}
 
 require 'shortport'
 require 'brute'
-require 'openssl'
+require 'stdnse'
+stdnse.silent_require 'openssl'
 require 'tns'
 
 portrule = shortport.port_or_service(1521, "oracle-tns", "tcp", "open")

scripts/oracle-enum-users.nse

@@ -34,7 +34,8 @@ categories = {"intrusive", "auth"}
 
 require 'shortport'
 require 'unpwdb'
-require 'openssl'
+require 'stdnse'
+stdnse.silent_require 'openssl'
 require 'tns'
 
 portrule = shortport.port_or_service(1521, 'oracle-tns' )

scripts/pgsql-brute.nse

@@ -29,7 +29,7 @@ categories = {"intrusive", "auth"}
 require 'shortport'
 require 'stdnse'
 require 'unpwdb'
-require 'openssl'
+stdnse.silent_require 'openssl'
 
 -- Version 0.3
 -- Created 01/15/2010 - v0.1 - created by Patrik Karlsson <patrik@cqure.net>

scripts/ssh-hostkey.nse

@@ -56,7 +56,7 @@ categories = {"safe","default","discovery"}
 
 require("shortport")
 require("stdnse")
-require("openssl")
+stdnse.silent_require("openssl")
 require("ssh1")
 require("ssh2")
 

scripts/ssh2-enum-algos.nse

@@ -57,7 +57,7 @@ categories = {"safe", "discovery"}
 
 require "shortport"
 require "stdnse"
-require "openssl"
+stdnse.silent_require "openssl"
 
 portrule = shortport.port_or_service(22, "ssh")