1 files changed, 83 insertions, 0 deletions
diff --git a/data/templates/pppoe/ipv6-up.script.tmpl b/data/templates/pppoe/ipv6-up.script.tmpl
new file mode 100644
index 000000000..d0a62478c
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+++ b/data/templates/pppoe/ipv6-up.script.tmpl
@@ -0,0 +1,83 @@
+#!/bin/sh
+
+# As PPPoE is an "on demand" interface we need to re-configure it when it
+# becomes up
+
+if [ "$6" != "{{ ifname }}" ]; then
+    exit
+fi
+
+{% if ipv6 is defined and ipv6.address is defined and ipv6.address.autoconf is defined -%}
+# add some info to syslog
+DIALER_PID=$(cat /var/run/{{ ifname }}.pid)
+logger -t pppd[$DIALER_PID] "executing $0"
+logger -t pppd[$DIALER_PID] "configuring interface {{ ifname }} via {{ source_interface }}"
+
+# Configure interface-specific Host/Router behaviour.
+# Note: It is recommended to have the same setting on all interfaces; mixed
+# router/host scenarios are rather uncommon. Possible values are:
+#
+# 0  Forwarding disabled
+# 1  Forwarding enabled
+#
+echo 1 > /proc/sys/net/ipv6/conf/{{ ifname }}/forwarding
+
+# Accept Router Advertisements; autoconfigure using them.
+#
+# It also determines whether or not to transmit Router
+# Solicitations. If and only if the functional setting is to
+# accept Router Advertisements, Router Solicitations will be
+# transmitted. Possible values are:
+#
+# 0  Do not accept Router Advertisements.
+# 1  Accept Router Advertisements if forwarding is disabled.
+# 2  Overrule forwarding behaviour. Accept Router Advertisements
+#    even if forwarding is enabled.
+#
+echo 2 > /proc/sys/net/ipv6/conf/{{ ifname }}/accept_ra
+
+# Autoconfigure addresses using Prefix Information in Router Advertisements.
+echo 1 > /proc/sys/net/ipv6/conf/{{ ifname }}/autoconf
+{% endif %}
+
+{% if dhcpv6_options is defined and dhcpv6_options.pd is defined %}
+# Start wide dhcpv6 client
+systemctl start dhcp6c@{{ ifname }}.service
+{% endif %}
+
+{% 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="^ipv6 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 "/${SED_OPT}/,/!/p" | grep ::/0 | wc -l)
+if [ "$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 | 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 "ipv6 route ::/0 {{ ifname }} ${VRF_NAME}"
+logger -t pppd[$DIALER_PID] "added default route via {{ ifname }} ${VRF_NAME}"
+{% endif %}
+