X-Git-Url: http://git.freeside.biz/gitweb/?a=blobdiff_plain;f=httemplate%2Fedit%2Fprocess%2Faddr_range.html;h=c236a7353c6cf039929e24f38906569e29298809;hb=5f9edcbe9fb3b3eb905614927aa6120d50c06ff1;hp=6b05d23a51468a5d6bf4a7963d8fc109df7662ff;hpb=a4c1077430ac3b053c30084dcf76c54be45dca08;p=freeside.git

diff --git a/httemplate/edit/process/addr_range.html b/httemplate/edit/process/addr_range.html
index 6b05d23a5..c236a7353 100644
--- a/httemplate/edit/process/addr_range.html
+++ b/httemplate/edit/process/addr_range.html
@@ -13,6 +13,14 @@
         $cgi->param('end', $end->addr);
         $cgi->param('start', $start->addr);
       }
+      # detect addr ranges that are too big
+      my ($one) = split('\.', $start->addr);
+      if ( $one < 128 and $start + 0x7FFFFFFF <= $end ) {
+        # then this is going to overflow
+        return "Address ranges must be < 2^31 - 1 addresses long.";
+      } # if the first octet is >= 128, then it's in the top half of 
+        # address space and it CAN'T be too big
+
       $cgi->param('length', $end - $start + 1);
     } else {
       $cgi->param('length', 1);