Remove obsolete files.

mod_for_test_scripts/100setupTestingInterface

-#!/bin/bash
-
-# Copyright (c) 2009 The Chromium OS Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-echo "Configuring for backchannel network device"
-
-testif=eth_test
-
-# Prevent flimflam from taking control of the backchannel network device.
-ORIG_CONF=${ROOT_FS_DIR}/etc/init/flimflam.conf
-TEMP_CONF=${ORIG_CONF}.tmp
-sed "s,/usr/sbin/flimflamd,/usr/sbin/flimflamd -I ${testif}," ${ORIG_CONF} > ${TEMP_CONF}
-mv -f ${TEMP_CONF} ${ORIG_CONF}
-
-# Arrange to run dhclient on the backchannel device but without
-# installing the default route, and stashing said route away for later
-# installation as a host route.
-cat > ${ROOT_FS_DIR}/etc/udev/rules.d/50-backchannel-network.rules <<EOF
-KERNEL=="eth*", SUBSYSTEMS=="usb", ACTION=="add", RUN+="/sbin/backchannel-setup %k"
-KERNEL=="${testif}", SUBSYSTEMS=="usb", ACTION=="remove", RUN+="kill \$(cat /var/run/dhclient-%k.pid)"
-EOF
-
-cat > ${ROOT_FS_DIR}/sbin/backchannel-setup <<EOF
-#!/bin/sh
-
-testif=${testif}
-
-if [ ! -f /mnt/stateful_partition/etc/enable_backchannel_network ]; then
-    # This mechanism has to be explicitly enabled on the device.
-    exit
-fi
-
-if [ -f /var/run/dhclient-\${testif}.pid ]; then
-    # Something else is already going on - perhaps a second
-    # USB Ethernet device has been inserted. Let's not mess with it.
-    exit
-fi
-
-if [ "\$1" != "\${testif}" ]; then
-    initctl stop flimflam
-    # \$1 is the current name of the backchannel device. Swap it with testif.
-    if ifconfig \${testif} > /dev/null 2>&1; then
-        orig_mac=\$(ifconfig \${testif} | awk '/HWaddr/ {print \$5}')
-        ifconfig \${testif} down # must be down for nameif to work
-        nameif eth_tmp \${orig_mac}
-    fi
-    bdev_mac=\$(ifconfig \$1 | awk '/HWaddr/ {print \$5}')
-    ifconfig \$1 down # must be down for nameif to work
-    nameif \${testif} \${bdev_mac}
-    if [ -n "\${orig_mac}" ]; then
-        nameif \$1 \${orig_mac}
-    fi
-    initctl start flimflam
-fi
-
-# Bring up the backchannel interface
-dhclient -q -pf /var/run/dhclient-\${testif}.pid \\
-            -lf /var/run/dhclient-\${testif}.leases \\
-            -cf /etc/dhclient-backchannel.conf \\
-            -sf /sbin/dhclient-backchannel-script \\
-         \${testif}
-EOF
-
-chmod +x ${ROOT_FS_DIR}/sbin/backchannel-setup
-
-cat > ${ROOT_FS_DIR}/etc/dhclient-backchannel.conf <<EOF
-request subnet-mask, broadcast-address, routers;
-EOF
-
-cat > ${ROOT_FS_DIR}/sbin/dhclient-backchannel-script <<EOF
-#!/bin/sh
-
-if [ -n "\$new_broadcast_address" ]; then
-    new_broadcast_arg="broadcast \$new_broadcast_address"
-fi
-if [ -n "\$new_subnet_mask" ]; then
-    new_subnet_arg="netmask \$new_subnet_mask"
-fi
-
-
-case "\$reason" in
-    MEDIUM|ARPCHECK|ARPSEND)
-        # Do nothing
-        ;;
-    PREINIT)
-        # The DHCP client is requesting that an interface be
-        # configured as required in order to send packets prior to
-        # receiving an actual address. - dhclient-script(8)
-
-        ifconfig \$interface inet 0 up
-
-        # We need to give the kernel some time to get the interface up.
-        sleep 1
-        ;;
-
-    BOUND|RENEW|REBIND|REBOOT|TIMEOUT)
-        if [ -n "\$old_ip_address" -a \
-             "\$old_ip_address" != "\$new_ip_address" ]; then
-            # IP address changed. Bringing down the interface will delete all routes,
-            # and clear the ARP cache.
-            ifconfig \$interface inet 0
-
-        fi
-
-        if [ -z "\$old_ip_address" -o "\$old_ip_address" != "\$new_ip_address" -o \
-            "\$reason" = "BOUND" -o "\$reason" = "REBOOT" ]; then
-
-            ifconfig \$interface inet \$new_ip_address \$new_subnet_arg \
-                \$new_broadcast_arg \$mtu_arg
-
-            # Since this script is for the backchannel testing interface,
-            # we don't set the default route from here, but we do stash
-            # it for possible later use in setting up a host route.
-            cp /dev/null /var/run/dhclient-\${interface}.routers
-            for router in \$new_routers; do
-                echo \$router >> /var/run/dhclient-\${interface}.routers
-            done
-        fi
-        ;;
-
-    EXPIRE|FAIL|RELEASE|STOP)
-        if [ -n "\$old_ip_address" ]; then
-            # Shut down interface, which will delete routes and clear arp cache.
-            ifconfig \$interface inet 0
-        fi
-        ;;
-esac
-EOF
-
-chmod +x ${ROOT_FS_DIR}/sbin/dhclient-backchannel-script