1 files changed, 49 insertions, 0 deletions
diff --git a/data/templates/pppoe/ip-up.script.tmpl b/data/templates/pppoe/ip-up.script.tmpl
new file mode 100644
index 000000000..568e21c4e
--- /dev/null
+++ b/data/templates/pppoe/ip-up.script.tmpl
@@ -0,0 +1,49 @@
+#!/bin/sh
+
+# As PPPoE is an "on demand" interface we need to re-configure it when it
+# becomes up
+if [ "$6" != "{{ ifname }}" ]; then
+    exit
+fi
+
+{% if connect_on_demand is not defined %}
+# add some info to syslog
+DIALER_PID=$(cat /var/run/{{ ifname }}.pid)
+logger -t pppd[$DIALER_PID] "executing $0"
+
+{%   if default_route != 'none' -%}
+# See https://phabricator.vyos.net/T2248 & T2220. Determine if we are enslaved
+# to a VRF, this is needed to properly insert the default route.
+
+SED_OPT="^ip route"
+VRF_NAME=""
+if [ -d /sys/class/net/{{ ifname }}/upper_* ]; then
+    # Determine upper (VRF) interface
+    VRF=$(basename $(ls -d /sys/class/net/{{ ifname }}/upper_*))
+    # Remove upper_ prefix from result string
+    VRF=${VRF#"upper_"}
+    # generate new SED command
+    SED_OPT="vrf ${VRF}"
+    # generate vtysh option
+    VRF_NAME="vrf ${VRF}"
+fi
+
+{%     if default_route == 'auto' -%}
+# Only insert a new default route if there is no default route configured
+routes=$(vtysh -c "show running-config" | sed -n "/${SED_OPT}/,/!/p" | grep 0.0.0.0/0 | wc -l)
+if [ "$routes" -ne 0 ]; then
+    exit 1
+fi
+
+{%     elif default_route == 'force' -%}
+# Retrieve current static default routes and remove it from the routing table
+vtysh -c "show running-config" | sed -n "/${SED_OPT}/,/!/p" | grep 0.0.0.0/0 | while read route ; do
+    vtysh -c "conf t" ${VTY_OPT} -c "no ${route} ${VRF_NAME}"
+done
+{%     endif %}
+
+# Add default route to default or VRF routing table
+vtysh -c "conf t" ${VTY_OPT} -c "ip route 0.0.0.0/0 {{ ifname }} ${VRF_NAME}"
+logger -t pppd[$DIALER_PID] "added default route via {{ ifname }} ${VRF_NAME}"
+{%   endif %}
+{% endif %}