1#!/bin/bash 2# Copyright 2021 Google LLC 3# 4# Licensed under the Apache License, Version 2.0 (the "License"); 5# you may not use this file except in compliance with the License. 6# You may obtain a copy of the License at 7# 8# http://www.apache.org/licenses/LICENSE-2.0 9# 10# Unless required by applicable law or agreed to in writing, software 11# distributed under the License is distributed on an "AS IS" BASIS, 12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13# See the License for the specific language governing permissions and 14# limitations under the License. 15 16override=/run/systemd/system/gbmc-ncsi-dhcrelay.service.d/10-nosp.conf 17mkdir -p "$(dirname "$override")" 18echo '[Service]' >"$override" 19echo 'ExecStart=' >>"$override" 20# Remove the source relay port from the relay, bringing it back to run on 21# the default port 547. Our relays don't support the source port option needed 22# to run on 3967 for our legacy NICs. 23grep '^ExecStart=' /lib/systemd/system/gbmc-ncsi-dhcrelay.service | \ 24 sed 's, -rp 3967,,' >>"$override" 25 26override=/run/systemd/system/gbmc-br-dhcp.service.d/10-direct.conf 27mkdir -p "$(dirname "$override")" 28echo '[Service]' >"$override" 29echo 'ExecStart=' >>"$override" 30# Switch the gbmcbr interface for the NCSI one to avoid passing the SOLICIT 31# message through the BMC relay. 32grep '^ExecStart=' /lib/systemd/system/gbmc-br-dhcp.service | \ 33 sed 's, -i gbmcbr, -i @NCSI_IF@,' >>"$override" 34 35systemctl daemon-reload 36systemctl reset-failed gbmc-ncsi-dhcrelay 37systemctl restart --no-block gbmc-ncsi-dhcrelay 38systemctl reset-failed gbmc-br-dhcp 39systemctl restart --no-block gbmc-br-dhcp 40 41read -r -d '' contents <<EOF 42table inet filter { 43 chain ncsi_legacy_input { 44 udp dport {546,547} accept 45 } 46} 47EOF 48rfile=/run/nftables/60-gbmc-ncsi-ra.rules 49mkdir -p "$(dirname "$rfile")" 50printf '%s' "$contents" >"$rfile" 51systemctl reset-failed nftables 52systemctl --no-block reload-or-restart nftables 53