add back net services

svn path=/baselayout-vserver/trunk/; revision=52

1 files changed, 126 insertions, 0 deletions

diff --git a/net-scripts/net.modules.d/macchanger b/net-scripts/net.modules.d/macchanger
new file mode 100644
index 0000000..7cc2c5b
--- /dev/null
+++ b/net-scripts/net.modules.d/macchanger
@@ -0,0 +1,126 @@
+#!/bin/bash
+# Copyright (c) 2004-2005 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+# Contributed by Roy Marples (uberlord@gentoo.org)
+
+# char* macchanger_provides(void)
+#
+# Returns a string to change module definition for starting up
+macchanger_provides() {
+	echo "macchanger"
+}
+
+# void macchanger_depend(void)
+#
+# Sets up the dependancies for the module
+macchanger_depend() {
+	before macnet
+}
+
+# bool macchanger_check_installed(void)
+#
+# macchanger is always installed as an interface can change to a specific
+# mac address, and an interface is always installed
+macchanger_check_installed() {
+	return 0
+}
+
+# bool macchanger_check_depends(void)
+#
+# Checks to see if we have the needed functions
+macchanger_check_depends() {
+	local f
+
+	for f in interface_get_mac_address interface_set_mac_address; do
+		[[ $( type -t "${f}" ) == "function" ]] && continue
+		eerror "macchanger: missing required function ${f}\n"
+		return 1
+	done
+
+	return 0
+}
+
+# bool macchanger_pre_start(char *iface)
+#
+# Configures the MAC address for iface 
+macchanger_pre_start() {
+	# We don't change MAC addresses from background
+	${IN_BACKGROUND} && return 0
+
+	local iface="$1" mac opts ifvar=$( bash_variable "$1" )
+
+	eval mac=\"\$\{mac_${ifvar}\}\"
+	[[ -z ${mac} ]] && return 0
+
+	interface_exists "${iface}" true || return 1
+
+	ebegin "Changing MAC address of ${iface}"
+
+	mac=$( echo "${mac}" | tr '[:upper:]' '[:lower:]' )
+	case "${mac}" in
+		# specific mac-addr, i wish there were a shorter way to specify this 
+		[0-9a-f][0-9a-f]:[0-9a-f][0-9a-f]:[0-9a-f][0-9a-f]:[0-9a-f][0-9a-f]:[0-9a-f][0-9a-f]:[0-9a-f][0-9a-f])
+		# We don't need macchanger to change to a specific mac address
+		interface_set_mac_address "${iface}" "${mac}"
+		eend "$?"
+		if [[ $? == "0" ]]; then
+			mac=$( interface_get_mac_address "${iface}" )
+			eindent
+			einfo "changed to ${mac}"
+			eoutdent
+			return 0
+		fi
+		;;
+
+		# increment MAC address, default macchanger behavior
+		increment) opts="${opts}" ;;
+
+		# randomize just the ending bytes
+		random-ending) opts="${opts} -e" ;;
+
+		# keep the same kind of physical layer (eg fibre, copper)
+		random-samekind) opts="${opts} -a" ;;
+
+		# randomize to any known vendor of any physical layer type
+		random-anykind) opts="${opts} -A" ;;
+
+		# fully random bytes
+		random-full) opts="${opts} -r" ;;
+
+		# default case is just to pass on all the options
+		*) opts="${opts} ${mac}" ;;
+	esac
+
+	if [[ ! -x /sbin/macchanger ]]; then
+		eerror "For changing MAC addresses, emerge net-analyzer/macchanger"
+		return 1
+	fi
+
+	# The interface needs to be up for macchanger to work most of the time
+	interface_down "${iface}"
+
+	mac=$( /sbin/macchanger ${opts} "${iface}" \
+	| sed -n -e 's/^Faked MAC:.*\<\(..:..:..:..:..:..\)\>.*/\U\1/p' )
+
+	# Sometimes the interface needs to be up ....
+	if [[ -z ${mac} ]]; then
+		interface_up "${iface}"
+		mac=$( /sbin/macchanger ${opts} "${iface}" \
+		| sed -n -e 's/^Faked MAC:.*\<\(..:..:..:..:..:..\)\>.*/\U\1/p' )
+	fi
+
+	if [[ -z ${mac} ]]; then
+		eend 1 "Failed to set MAC address"
+		return 1
+	fi
+
+	eend 0
+	eindent
+	einfo "changed to ${mac}"
+	eoutdent
+
+	return 0 #important
+}
+
+# vim:ts=4