# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1601207808 -10800
# Node ID 295c225e31520efd69c0bad9b33c1a87dcbe4caf
# Parent  d4d2fda123081949615470aed39f9cd9e99db06b
urllog: Improve invalid/local IPv4 network check

diff -r d4d2fda12308 -r 295c225e3152 urllog.tcl
--- a/urllog.tcl	Sun Sep 27 14:51:19 2020 +0300
+++ b/urllog.tcl	Sun Sep 27 14:56:48 2020 +0300
@@ -261,11 +261,11 @@
   ### Handle URLs that have an IPv4-address
   if {[regexp "(\[a-z\]+)://(\[0-9\]{1,3})\\.(\[0-9\]{1,3})\\.(\[0-9\]{1,3})\\.(\[0-9\]{1,3})" $urlStr urlMatch urlProto ni1 ni2 ni3 ni4]} {
     # Check if the IP is on local network
-    if {$ni1 == 127 || $ni1 == 10 || ($ni1 == 192 && $ni2 == 168) || $ni1 == 0} {
-      urllog_log "URL pointing to local or invalid network, ignored ($urlStr)."
+    if {$ni1 == 127 || $ni1 == 10 || ($ni1 == 192 && $ni2 == 168)} {
+      urllog_log "URL pointing to local network, ignored ($urlStr)."
       return 0
     }
-    if {$ni1 >= 255 || $ni2 >= 255 || $ni3 >= 255 || $ni4 >= 255} {
+    if {$ni1 == 0 || $ni1 >= 255 || $ni2 >= 255 || $ni3 >= 255 || $ni4 >= 255} {
       urllog_log "URL pointing to invalid network, ignored ($urlStr)."
       return 0
     }