OpenWrt – Rev 4

Subversion Repositories:
Rev:
#!/bin/sh

set_ether_mac() {
        # Most devices have a standard "VCTL" partition
        CONFIG_PARTITION="$(grep "VCTL" /proc/mtd | cut -d: -f1)"
        if [ ! -z $CONFIG_PARTITION ] ; then
                MAC1="$(strings /dev/$CONFIG_PARTITION |grep MAC|cut -d: -f2|cut -c3-14|sed -e 's,\(..\),:\1,g' -e 's,^:,,')"
                MAC2="$(strings /dev/$CONFIG_PARTITION |grep MAC|cut -d: -f8|cut -c3-14|sed -e 's,\(..\),:\1,g' -e 's,^:,,')"

                ifconfig eth0 hw ether $MAC1 2>/dev/null
                ifconfig eth1 hw ether $MAC2 2>/dev/null
                return 0
        fi

        # The DNS-313 has a special field in its RedBoot
        # binary that we need to check
        CONFIG_PARTITION="$(grep "RedBoot" /proc/mtd | cut -d: -f1)"
        if [ ! -z $CONFIG_PARTITION ] ; then
                DEVID="$(dd if=/dev/mtdblock0 bs=1 skip=119508 count=7 2>/dev/null)"
                if [ "x$DEVID" = "xdns-313" ] ; then
                        MAC1="$(dd if=/dev/mtdblock0 bs=1 skip=119540 count=6 2>/dev/null | hexdump -n6 -e '/1 ":%02X"' | sed s/^://g)"
                        ifconfig eth0 hw ether $MAC1 2>/dev/null
                        return 0
                fi
        fi
}

boot_hook_add preinit_main set_ether_mac