1#!/bin/bash -eu 2 3function show_error() { 4 if [ -n "${JOURNAL_STREAM-}" ]; then 5 echo "$@" | systemd-cat -t first-boot-set-mac -p emerg 6 else 7 echo "$@" >&2 8 fi 9} 10 11function sync_mac() { 12 13 MAPPER_IFACE='xyz.openbmc_project.ObjectMapper' 14 MAPPER_PATH='/xyz/openbmc_project/object_mapper' 15 INVENTORY_PATH='/xyz/openbmc_project/inventory' 16 NETWORK_ITEM_IFACE='xyz.openbmc_project.Inventory.Item.NetworkInterface' 17 18 # Get the NETWORK ITEM count 19 NETWORK_ITEM_PATH_COUNT=$(busctl --no-pager --verbose call \ 20 ${MAPPER_IFACE} ${MAPPER_PATH} ${MAPPER_IFACE} \ 21 GetSubTree sias \ 22 ${INVENTORY_PATH} 0 1 ${NETWORK_ITEM_IFACE} \ 23 2>/dev/null | grep -c "${INVENTORY_PATH}" || true) 24 25 if [ "$NETWORK_ITEM_PATH_COUNT" -gt 1 ]; then 26 # If there are more than 2 NETOWRK ITEM and path must contain $1 27 # for finding the right NETWORK ITEM 28 NETWORK_ITEM_PATH=$(busctl --no-pager --verbose call \ 29 ${MAPPER_IFACE} ${MAPPER_PATH} ${MAPPER_IFACE} \ 30 GetSubTree sias \ 31 ${INVENTORY_PATH} 0 1 ${NETWORK_ITEM_IFACE} \ 32 2>/dev/null | grep ${INVENTORY_PATH} | grep "$1" || true) 33 else 34 NETWORK_ITEM_PATH=$(busctl --no-pager --verbose call \ 35 ${MAPPER_IFACE} ${MAPPER_PATH} ${MAPPER_IFACE} \ 36 GetSubTree sias \ 37 ${INVENTORY_PATH} 0 1 ${NETWORK_ITEM_IFACE} \ 38 2>/dev/null | grep ${INVENTORY_PATH} || true) 39 fi 40 41 # ' STRING "/xyz/openbmc_project/inventory/system/chassis/ethernet";' 42 NETWORK_ITEM_PATH=${NETWORK_ITEM_PATH#*\"} 43 NETWORK_ITEM_PATH=${NETWORK_ITEM_PATH%\"*} 44 45 NETWORK_ITEM_SERVICE=$(mapper get-service \ 46 "${NETWORK_ITEM_PATH}" 2>/dev/null || true) 47 48 if [[ -z "${NETWORK_ITEM_SERVICE}" ]]; then 49 show_error 'No Ethernet interface found in the Inventory. Is VPD EEPROM empty?' 50 return 51 fi 52 53 MAC_ADDR=$(busctl get-property "${NETWORK_ITEM_SERVICE}" \ 54 "${NETWORK_ITEM_PATH}" "${NETWORK_ITEM_IFACE}" MACAddress) 55 56 # 's "54:52:01:02:03:04"' 57 MAC_ADDR=${MAC_ADDR#*\"} 58 MAC_ADDR=${MAC_ADDR%\"*} 59 60 if [[ -n "${MAC_ADDR}" ]]; then 61 busctl set-property xyz.openbmc_project.Network \ 62 "/xyz/openbmc_project/network/$1" \ 63 xyz.openbmc_project.Network.MACAddress \ 64 MACAddress s "${MAC_ADDR}" 65 fi 66} 67 68if [ $# -eq 0 ]; then 69 show_error 'No Ethernet interface name is given' 70 exit 1 71fi 72 73sync_mac "$1" 74 75# Prevent start at next boot time 76mkdir -p "/var/lib/first-boot-set-mac" 77touch "/var/lib/first-boot-set-mac/${1}" 78