classify.m4, functions.m4: Multiple interfaces can have default nets.

[firewall] / classify.m4

diff --git a/classify.m4 b/classify.m4
index 25b1693..6ad069c 100644 (file)
--- a/classify.m4
+++ b/classify.m4
@@ -119,22 +119,30 @@ m4_divert(46)m4_dnl
 ## default interface.
 trace "nets = $allnets $allnets6"
 for net in $allnets; do
-  case $net in
-    "$defaultiface":*)
-      ;;
-    *)
-      run iptables -t mangle -A in-$defaultiface \
+  defaultp=nil
+  for iface in $defaultifaces; do
+    case $net in $iface:*) defaultp=t ;; esac
+  done
+  case $defaultp in
+    nil)
+      for iface in $defaultifaces; do
+       run iptables -t mangle -A in-$iface \
              -s ${net#*:} -g bad-source-address
+      done
       ;;
   esac
 done
 for net in $allnets6; do
-  case $net in
-    "$defaultiface":*)
-      ;;
-    *)
-      run ip6tables -t mangle -A in-$defaultiface \
+  defaultp=nil
+  for iface in $defaultifaces; do
+    case $net in $iface:*) defaultp=t ;; esac
+  done
+  case $defaultp in
+    nil)
+      for iface in $defaultifaces; do
+       run ip6tables -t mangle -A in-$iface \
              -s ${net#*:} -g bad-source-address
+      done
       ;;
   esac
 done
@@ -156,7 +164,10 @@ done
 m4_divert(92)m4_dnl
 ## Put the final default decision on the in-default chain, and attach the
 ## classification chains to the PREROUTING hook.
-run ip46tables -t mangle -A in-$defaultiface -g mark-from-$defaultclass
+for iface in $defaultifaces; do
+  run ip46tables -t mangle -A in-$iface -g mark-from-$defaultclass
+done
+run ip46tables -t mangle -A out-classify -g mark-to-$defaultclass
 run ip46tables -t mangle -A PREROUTING -j in-classify
 run ip46tables -t mangle -A PREROUTING -j out-classify