more error handling

lib/msf/core/exploit_driver.rb

@@ -271,14 +271,20 @@ protected
           exploit.fail_reason = Msf::Exploit::Failure::Unknown
         end
 
+        elog("Exploit failed (#{exploit.refname}): #{msg}", 'core', LEV_0)
+
         if exploit.fail_reason == Msf::Exploit::Failure::Unknown
           exploit.print_error("Exploit failed: #{msg}")
+          exploit.print_error("Call stack:")
+          e.backtrace.each do |line|
+            break if line =~ /lib.msf.base.core.exploit_driver.rb/
+            exploit.print_error("  #{line}")
+          end
+          elog("Call stack:\n#{e.backtrace.join("\n")}", 'core', LEV_0)
         else
           exploit.print_error("Exploit failed [#{exploit.fail_reason}]: #{msg}")
+          dlog("Call stack:\n#{e.backtrace.join("\n")}", 'core', LEV_3)
         end
-
-        elog("Exploit failed (#{exploit.refname}): #{msg}", 'core', LEV_0)
-        dlog("Call stack:\n#{e.backtrace.join("\n")}", 'core', LEV_3)
       end
 
       # Record the error to various places
@@ -329,4 +335,3 @@ protected
 end
 
 end
-