Re: [gentoo-user-de] ERROR: "net.eth0" does not have a start function.

[Helge Kaltenbach]

Felix Schuster wrote:

>On Tue, 2005-09-20 at 08:48 +0200, Helge Kaltenbach wrote:
>
>
>>Helge Kaltenbach wrote:
>>
>>
>
>
>
>>Wäre sehr verbunden, wenn mir mal jemand diese zwei Scripte mailen
>>könnte. Möglichst aktuell, falls dort auch Änderungen vorgenommen wurden....
>>
>>
>
>s. Anhang
>net.eth0 ist ein symb. Link auf net.lo
>Felix
>
>
>
>------------------------------------------------------------------------
>
>#!/sbin/runscript
># Copyright (c) 2004-2005 Gentoo Foundation
># Distributed under the terms of the GNU General Public License v2
># $Header$
>
># Contributed by Roy Marples (uberlord@g.o)
># Many thanks to Aron Griffis (agriffis@g.o)
># for help, ideas and patches
>
>#NB: Config is in /etc/conf.d/net
>
>if [[ -n ${NET_DEBUG} ]]; then
>	set -x
>	devnull=/dev/stderr
>else
>	devnull=/dev/null
>fi
>
># For pcmcia users. note that pcmcia must be added to the same
># runlevel as the net.* script that needs it.
>depend() {
>	use coldplug hotplug pcmcia usb isdn4linux wlan
>
>	# Load any custom depend functions for the given interface
>	# For example, br0 may need eth0 and eth1
>	local iface=${myservice##*.}
>	[[ $( type -t depend_${iface} ) == "function" ]] && depend_${iface}
>}
>
># Define where our modules are
>MODULES_DIR=/lib/rcscripts/net.modules.d
>
># Load some functions shared between ourselves and our dhcp helpers
>source ${MODULES_DIR}/helpers.d/functions
>
># Make some wrappers to fudge after/before/need/use depend flags.
># These are callbacks so mods[i] will be set.
>after() {
>	local x="$*"
>	[[ $# -gt 1 ]] && x=$( echo -e "${x// /\n}" | sort | xargs )
>	eval "${MODULE}_after() { echo \"$x\"; }"
>}
>before() {
>	local x="$*"
>	[[ $# -gt 1 ]] && x=$( echo -e "${x// /\n}" | sort | xargs )
>	eval "${MODULE}_before() { echo \"$x\"; }"
>}
>need() {
>	local x="$*"
>	[[ $# -gt 1 ]] && x=$( echo -e "${x// /\n}" | sort | xargs )
>	eval "${MODULE}_need() { echo \"$x\"; }"
>}
>installed() {
>	local x="$*"
>	[[ $# -gt 1 ]] && x=$( echo -e "${x// /\n}" | sort | xargs )
>	# We deliberately misspell this as _installed will probably be used
>	# at some point
>	eval "${MODULE}_instlled() { echo \"$x\"; }"
>}
>
>sort() {
>	LC_ALL=C /bin/sort "$@"
>}
>
># void module_class_wrap(char *module, char *provides)
># Setup class wrappers: interface_up -> iproute2_up, for example
>module_class_wrap() {
>	local module=${1} provides=${2} x
>
>	# Don't wrap functions if another module already has
>	[[ $( type -t ${provides}_provides ) == function ]] && return
>
>	for x in $( typeset -f | grep -o ^${module}_'[^ ]*' ); do
>		eval "${provides}${x#${module}}() { ${x} \"\$@\"; }"
>	done
>}
>
># bool module_load_minimum(char *module)
>#
># Does the minimum checking on a module - even when forcing
>module_load_minimum() {
>	local f=${1} MODULE=${1##*/}
>
>	if [[ ! -f ${f} ]]; then
>		eerror "${f} does not exist"
>		return 1
>	fi
>
>	if ! source ${f} ; then
>		eerror "${MODULE} failed a sanity check"
>		return 1
>	fi
>
>	for f in check_installed provides check_depends depend; do
>		[[ $( type -t ${MODULE}_${f} ) == function ]] && continue
>		eerror "${MODULE} does not support the required function ${f}"
>		return 1
>	done
>
>	# Wrap our before/after/need/use functions
>	${MODULE}_depend
>
>	return 0
>}
>
># bool modules_load_auto()
>#
># Load and check each module for sanity
># If the module is not installed, the functions are to be removed
>modules_load_auto() {
>	local e f i j beforefuncs afterfuncs diffs unload
>
>	# Populate the MODULES array
>	MODULES=( $( find ${MODULES_DIR}/ -maxdepth 1 -type f ! -name ".*" | sort ) )
>
>	# Each of these sources into the global namespace, so it's
>	# important that module functions and variables are prefixed with
>	# the module name, for example iproute2_
>
>	beforefuncs="$( typeset -F )"
>	j=${#MODULES[@]}
>	loaded_interface=false
>	for (( i=0; i<j; i++ )); do
>
>		unload=false
>		module_load_minimum ${MODULES[i]} || unload=true
>		MODULES[i]=${MODULES[i]##*/}
>
>		! ${unload} && ${MODULES[i]}_check_installed false || unload=true
>
>		if [[ ${MODULES[i]} == interface ]]; then
>			eerror "interface is a reserved name - cannot load a module called interface"
>			return 1
>		fi
>
>		afterfuncs="$( typeset -F )"
>		if ${unload} ; then
>			unset MODULES[i]
>			unsetfuncs="${unsetfuncs} $( diff -U0 <( echo "${beforefuncs}" ) <( echo "${afterfuncs}" ) 2>/dev/null \
>				| awk 'BEGIN { ORS = " "; } /+declare -f/ { print $3; }' )"
>		fi
>		beforefuncs="${afterfuncs}"
>
>	done
>	MODULES=( "${MODULES[@]}" )
>
>	return 0
>}
>
>
># bool modules_check_installed(void)
>#
># Ensure that all modules have the required modules loaded
># This enables us to remove modules from the MODULES array
># Whilst other modules can still explicitly call them
># One example of this is essidnet which configures network
># settings for the specific ESSID connected to as the user
># may be using a daemon to configure wireless instead of our
># iwconfig module
>modules_check_installed() {
>	local i j missingdeps nmods=${#MODULES[@]}
>
>	for (( i=0; i<nmods; i++ )); do
>		[[ $( type -t ${MODULES[i]}_instlled ) != function ]] && continue
>		for j in $( ${MODULES[i]}_instlled ); do
>			missingdeps=true
>			if [[ $( type -t ${j}_check_installed ) == function ]]; then
>				${j}_check_installed && missingdeps=false
>			fi
>			${missingdeps} && unset MODULES[i] && unset PROVIDES[i] && break
>		done
>	done
>
>	MODULES=( "${MODULES[@]}" )
>	PROVIDES=( "${PROVIDES[@]}" )
>}
>
># bool modules_check_user(void)
>modules_check_user() {
>	local -a umods
>	local i j k l npref nmods=${#MODULES[@]}
>
>	# Has the interface got any specific modules?
>	eval umods=( \"\$\{modules_${iface}\[@\]\}\" )
>
>	# Global setting follows interface-specific setting
>	umods=( "${umods[@]}" "${modules[@]}" )
>
>	# Add our preferred modules
>	npref=3
>	umods=( "${umods[@]}" "ifconfig" "dhcpcd" "iwconfig" )
>
>	# First we strip any modules that conflict from user settings
>	# So if the user specifies pump then we don't use dhcpcd
>	for (( i=0; i<${#umods[@]}; i++ )); do
>		# Some users will inevitably put "dhcp" in their modules
>		# list.  To keep users from screwing up their system this
>		# way, ignore this setting so that the default dhcp
>		# module will be used.
>		[[ ${umods[i]} == dhcp ]] && continue
>
>		# We remove any modules we explicitly don't want
>		if [[ ${umods[i]} == !* ]]; then
>			for (( j=0; j<nmods; j++ )); do
>				[[ -z ${MODULES[j]} ]] && continue
>				if [[ ${umods[i]:1} == ${MODULES[j]} || ${umods[i]:1} == ${PROVIDES[j]} ]]; then
>					# We may need to setup a class wrapper for it even though
>					# we don't use it directly
>					${MODULES[j]}_check_installed && module_class_wrap ${MODULES[j]}
>					unset MODULES[j]
>					unset PROVIDES[j]
>					break
>				fi
>			done
>			continue
>		fi
>
>		if [[ $( type -t ${umods[i]}_provides ) != function ]]; then
>			# If the module is one of our preferred modules, then
>			# ignore this error; whatever is available will be
>			# used instead.
>			(( i < ${#umods[@]} - npref )) || continue
>			eerror "${umods[i]} is not a valid module (missing provides)"
>			return 1
>		fi
>
>		# Ensure that the user specified module has its package installed
>		if (( i < ${#umods[@]} - npref )); then
>			# $1==true causes check_installed to report its own errors
>			${umods[i]}_check_installed true || return 1
>		else
>			# If this happens on a preferred modules, ignore it;
>			# whatever is available will be used instead.
>			${umods[i]}_check_installed false || continue
>		fi
>
>		mod=$( ${umods[i]}_provides )
>		for (( j=0; j<nmods; j++ )); do
>			[[ -z ${MODULES[j]} ]] && continue
>			if [[ ${PROVIDES[j]} == ${mod} && ${umods[i]} != ${MODULES[j]} ]]; then
>				# We don't have a match - now ensure that we still provide an alternative.
>				# This is to handle our preferred modules.
>				for (( l=0; l<nmods; l++ )); do
>					[[ ${l} -eq ${j} || -z ${MODULES[l]} ]] && continue
>					if [[ ${PROVIDES[l]} == ${mod} ]]; then
>						unset MODULES[j]
>						unset PROVIDES[j]
>						break
>					fi
>				done
>			fi
>		done
>	done
>
>	# Then we strip conflicting modules.
>	# We only need to do this for 3rd party modules that conflict with
>	# our own modules and the preferred list AND the user modules
>	# list doesn't specify a preference.
>	for (( i=0; i<nmods-1; i++ )); do
>		[[ -z ${MODULES[i]} ]] && continue
>		for (( j=i+1; j<nmods; j++)); do
>			[[ -z ${MODULES[j]} ]] && continue
>			[[ ${PROVIDES[i]} == ${PROVIDES[j]} ]] && unset MODULES[j] && unset PROVIDES[j]
>		done
>	done
>
>	MODULES=( "${MODULES[@]}" )
>	PROVIDES=( "${PROVIDES[@]}" )
>	return 0
>}
>
># void modules_sort(void)
>
>modules_sort() {
>	local -a modnums sort_history modafter modbefore
>	local i j k p changed_something nmods=${#MODULES[@]}
>
>	# Sort our modules
>	# We do this by assigning numbers to each module
>	# We also assign modbefore and modafter so we don't
>	# shell out as much because it's expensive on CPU.
>	modnums=()
>	for (( i=0; i<nmods; i++ )); do
>		modnums[i]=${i}
>		[[ $( type -t ${MODULES[i]}_after ) == function ]] && modafter[i]=$( ${MODULES[i]}_after )
>		[[ $( type -t ${MODULES[i]}_before ) == function ]] && modbefore[i]=$( ${MODULES[i]}_before )
>	done
>
>	# Then we swap numbers based on and after/before flags
>	# until we don't swap anymore. The sort_history array prevents
>	# the possibility of an infinite loop
>	sort_history[0]="${modnums[*]}"
>	for (( k=1; 1; k++ )); do
>		changed_something=false
>		for (( i=0; i<nmods; i++ )); do
>			for p in ${modafter[i]}; do
>				for (( j=0; j<nmods; j++ )); do
>					[[ ${p} != ${MODULES[j]} && ${p} != ${PROVIDES[j]} ]] && continue
>					if [[ ${modnums[i]} -lt ${modnums[j]} ]]; then
>						tmp=${modnums[i]}
>						modnums[i]=${modnums[j]}
>						modnums[j]=${tmp}
>						changed_something=true
>					fi
>				done
>			done
>			for p in ${modbefore[i]}; do
>				for (( j=0; j<nmods; j++ )); do
>					[[ ${p} != ${MODULES[j]} && ${p} != ${PROVIDES[j]} ]] && continue
>					if [[ ${modnums[i]} -gt ${modnums[j]} ]]; then
>						tmp=${modnums[i]}
>						modnums[i]=${modnums[j]}
>						modnums[j]=${tmp}
>						changed_something=true
>					fi
>				done
>			done
>		done
>		${changed_something} || break
>
>		# Make sure we aren't repeating a previous state
>		# First time through, k=1, k/2=0
>		sort_history[k]="${modnums[*]}"
>		if [[ ${sort_history[k]} == ${sort_history[k/2]} ]]; then
>			eerror "Detected an infinite loop sorting modules; blundering ahead"
>			break
>		fi
>	done
>
>	# Finally we sort our modules in number order
>	um=""
>	for (( i=0; i<nmods; i++ )); do
>		um="${um}${modnums[i]} ${MODULES[i]} ${PROVIDES[i]}\n"
>	done
>
>	p=( $( echo -e "${um}" | sort -n | awk '{print $2,$3}' ) )
>	MODULES=()
>	PROVIDES=()
>	j=0
>	for (( i=0; i<${#p[@]}; i+=2 )); do
>		MODULES[j]=${p[i]}
>		PROVIDES[j]=${p[i+1]}
>		(( j++ ))
>	done
>}
>
># bool modules_check_depends(bool showprovides)
>modules_check_depends() {
>	local showprovides=${1:-false} nmods=${#MODULES[@]} i j needmod
>	local missingdeps p  interface=false
>
>	for (( i=0; i<nmods; i++ )); do
>		if [[ $( type -t ${MODULES[i]}_need ) == function ]]; then
>			for needmod in $( ${MODULES[i]}_need ); do
>				missingdeps=true
>				for (( j=0; j<nmods; j++ )); do
>					if [[ ${needmod} == ${MODULES[j]} || ${needmod} == ${PROVIDES[j]} ]]; then
>						missingdeps=false
>						break
>					fi
>				done
>				if ${missingdeps} ; then
>					eerror "${MODULES[i]} needs ${needmod} (dependency failure)"
>					return 1
>				fi
>			done
>		fi
>
>		${MODULES[i]}_check_depends || return 1
>		[[ ${PROVIDES[i]} == interface ]] && interface=true
>
>		if ${showprovides} ; then
>			[[ ${PROVIDES[i]} != ${MODULES[i]} ]] && veinfo "${MODULES[i]} provides ${PROVIDES[i]}"
>		fi
>	done
>
>	if ! ${interface} ; then
>		eerror "no interface module has been loaded"
>		return 1
>	fi
>
>	return 0
>}
>
># bool modules_load(char *iface, bool starting)
>#
># Loads the defined handler and modules for the interface
># Returns 0 on success, otherwise 1
>modules_load()  {
>	local iface=${1} starting=${2:-true} mod p=false i j unsetfuncs
>	local -a x
>	local RC_INDENTATION=${RC_INDENTATION}	# so it will reset after function
>	local -a PROVIDES
>
>	if [[ ${iface} == lo ]]; then
>		# We force lo to only use these modules for a major speed boost
>		modules_force=( "iproute2" "ifconfig" )
>	else
>		eval x=( \"\$\{modules_force_${iface}\[@\]\}\" )
>		[[ -n ${x} ]] && modules_force=( "${x[@]}" )
>		if [[ -n ${modules_force} ]]; then
>			ewarn "WARNING: You are forcing modules!"
>			ewarn "Do not complain or file bugs if things start breaking"
>			report=true
>		fi
>		veinfo "Loading networking modules for ${iface}"
>	fi
>	eindent
>
>	if [[ -z ${modules_force} ]]; then
>		modules_load_auto || return 1
>	else
>		j=${#modules_force[@]}
>		for (( i=0; i<j; i++ )); do
>			module_load_minimum "${MODULES_DIR}/${modules_force[i]}" || return 1
>			${modules_force[i]}_check_installed || unset modules_force[i]
>		done
>		MODULES=( "${modules_force[@]}" )
>	fi
>
>	# We now buffer the _provides functions for a big speed boost
>	j=${#MODULES[@]}
>	for (( i=0; i<j; i++ )); do
>		PROVIDES[i]=$( ${MODULES[i]}_provides )
>	done
>
>	if [[ -z ${modules_force[@]} ]]; then
>		if ${starting}; then
>			modules_check_user || return 1
>		fi
>
>		# We unset unloaded module functions here as so we can error
>		# with a message informing the user to emerge the correct
>		# package if it's in their modules
>		[[ -n ${unsetfuncs} ]] && unset ${unsetfuncs}
>
>		modules_sort
>	fi
>
>	# Setup class wrappers: interface_up -> iproute2_up, for example
>	j=${#MODULES[@]}
>	for (( i=0; i<j; i++ )); do
>		module_class_wrap ${MODULES[i]} ${PROVIDES[i]}
>	done
>
>	modules_check_installed || return 1
>
>	[[ ${iface} != lo ]] && veinfo "modules: ${MODULES[@]}"
>	eindent
>
>	[[ ${iface} != lo && ${starting} == true ]] && p=true
>	modules_check_depends ${p} || return 1
>	return 0
>}
>
># bool iface_start(char *interface)
>#
># iface_start is called from start.  It's expected to start the base
># interface (for example "eth0"), aliases (for example "eth0:1") and to start
># VLAN interfaces (for example eth0.0, eth0.1).  VLAN setup is accomplished by
># calling itself recursively.
>iface_start() {
>	local iface=${1} mod config_counter=-1 x warn=false config_worked=false
>	local RC_INDENTATION=${RC_INDENTATION}	# so it will reset after function
>	local -a config fallback fallback_route conf
>	local ifvar=$( interface_variable ${iface} )
>
>	# pre Start any modules with
>	for mod in ${MODULES[@]}; do
>		if [[ $( type -t ${mod}_pre_start ) == function ]]; then
>			${mod}_pre_start ${iface} || { eend 1; return 1; }
>		fi
>	done
>
>	# New style config - one variable fits all
>	eval config=( \"\$\{config_${ifvar}\[@\]\}\" )
>	eval fallback=( \"\$\{fallback_${ifvar}\[@\]\}\" )
>	eval fallback_route=( \"\$\{fallback_route_${ifvar}\[@\]\}\" )
>
>	# We must support old configs
>	if [[ -z ${config} ]]; then
>		interface_get_old_config ${iface} || return 1
>	fi
>
>	# Handle "noop" correctly
>	if [[ ${config[0]} == "noop" ]]; then
>		if interface_is_up ${iface} true ; then
>			einfo "Keeping current configuration for ${iface}"
>			eend 0
>			return 0
>		fi
>
>		# Remove noop from the config var
>		config=( "${config[@]:1}" )
>	fi
>
>	# Provide a default of DHCP if no configuration is set
>	if [[ -z ${config} ]]; then
>		if [[ $( type -t dhcp_start ) == function ]]; then
>			config=( "dhcp" )
>			warn=true
>		else
>			eerror "Cannot default to dhcp as there is no dhcp module loaded"
>			eerror "No configuration for ${iface}"
>			return 1
>		fi
>	fi
>
>	einfo "Bringing up ${iface}"
>	eindent
>	for (( config_counter=0; config_counter<${#config[@]}; config_counter++ )); do
>		# Handle null and noop correctly
>		if [[ ${config[config_counter]} == "null" \
>		|| ${config[config_counter]} == "noop" ]]; then
>			eend 0
>			config_worked=true
>			continue
>		fi
>
>		if ${warn}; then
>			ewarn "Configuration not set for ${iface} - assuming dhcp"
>			warn=false
>		fi
>
>		# We convert it to an array - this has the added
>		# bonus of trimming spaces!
>		conf=( ${config[config_counter]} )
>		einfo "${conf[0]}"
>
>		# Do we have a function for our config?
>		if [[ $( type -t ${conf[0]}_start ) == function ]]; then
>			# Check that the module is valid
>			x=false
>			for mod in ${MODULES[@]}; do
>				if [[ $( ${mod}_provides ) == ${conf[0]} ]]; then
>					x=true
>					break
>				fi
>			done
>
>			if ! ${x}; then
>				[[ $( type -t ${conf[0]}_check_installed == function ) ]] && ${conf[0]}_check_installed true
>				eerror "No loaded modules provide \"${conf[0]}\" (${conf[0]}_start)"
>			else
>				eindent
>				${conf[0]}_start ${iface} ; x=$?
>				eoutdent
>				[[ ${x} == 0 ]] && config_worked=true && continue
>			fi
>		# We need to test to see if it's an IP address or a function
>		# We do this by testing if the 1st character is a digit
>		elif [[ ${conf[0]:0:1} == [[:digit:]] || ${conf[0]} == *:* ]]; then
>			x=0
>#			if [[ $(type -t address_exists ) == function ]]; then
>#				if address_exists ${iface} ${conf[0]} ; then
>#					eerror "${conf[0]%%/*} already taken on ${iface}"
>#					x=1
>#				fi
>#			fi
>			[[ ${x} == 0 ]] && interface_add_address ${iface} ${conf[@]} ; x=$?
>			eend ${x} && config_worked=true && continue
>		else
>			eerror "No loaded modules provide \"${conf[0]}\" (${conf[0]}_start)"
>		fi
>
>		if [[ -n ${fallback[config_counter]} ]]; then
>			einfo "Trying fallback configuration"
>			config[config_counter]=${fallback[config_counter]}
>			fallback[config_counter]=''
>
>			# Do we have a fallback route?
>			if [[ -n ${fallback_route[config_counter]} ]]; then
>				eval "routes_${ifvar}=( "\"\$\{fallback_route\[${config_counter}\]\[@\]\}\"" )"
>				fallback_route[config_counter]=''
>			fi
>
>			(( config_counter-- )) # since the loop will increment it
>			continue
>		fi
>	done
>	eoutdent
>
>	# We return failure if no configuration parameters worked
>	${config_worked} || return 1
>
>	# Start any modules with _post_start
>	for mod in ${MODULES[@]}; do
>		if [[ function == $( type -t ${mod}_post_start ) ]]; then
>			${mod}_post_start ${iface} || return 1
>		fi
>	done
>
>	return 0
>}
>
># bool iface_stop(char *interface)
>#
># iface_stop: bring down an interface.  Don't trust information in
># /etc/conf.d/net since the configuration might have changed since
># iface_start ran.  Instead query for current configuration and bring
># down the interface.
>#
># However, we are currently reliant on handler and modules specified
># in /etc/conf.d/net
>iface_stop() {
>	local iface=${1} i aliases need_begin=false mod
>	local RC_INDENTATION=${RC_INDENTATION}	# so it will reset after function
>
>	# pre Stop any modules
>	for mod in ${MODULES[@]}; do
>		[[ $( type -t ${mod}_pre_stop ) == function ]] && ${mod}_pre_stop ${iface}
>	done
>
>	einfo "Bringing down ${iface}"
>	eindent
>
>	# Collect list of aliases for this interface.
>	# List will be in reverse order.
>	aliases=$( interface_get_aliases_rev ${iface} )
>
>	# Stop aliases before primary interface.
>	# Note this must be done in reverse order, since ifconfig eth0:1
>	# will remove eth0:2, etc.  It might be sufficient to simply remove
>	# the base interface but we're being safe here.
>	for i in ${aliases} ${iface}; do
>		# Stop all our modules
>		for mod in ${MODULES[@]}; do
>			[[ $( type -t ${mod}_stop ) == function ]] && ${mod}_stop ${i}
>		done
>
>		# A module may have removed the interface
>		interface_exists ${iface} || { eend 0; continue; }
>
>		# Delete all the addresses for this alias
>		interface_del_addresses ${i}
>
>		# Do final shut down of this alias
>		ebegin "Shutting down ${i}"
>		interface_iface_stop ${i}
>		eend $?
>	done
>
>	# post Stop any modules
>	for mod in ${MODULES[@]}; do
>		# We have already taken down the interface, so no need to error
>		[[ $( type -t ${mod}_post_stop ) == function ]] && ${mod}_post_stop ${iface}
>	done
>
>	return 0
>}
>
># bool run_start(char *iface)
>#
># Brings up ${IFACE}.  Calls preup, iface_start, then postup.
># Returns 0 (success) unless preup or iface_start returns 1 (failure).
># Ignores the return value from postup.
># We cannot check that the device exists ourselves as modules like
># tuntap make create it.
>run_start() {
>	local iface=${1} ifvar x
>
>	if [[ ${iface} == lo ]]; then
>		ebegin "Bringing up ${iface}"
>		interface_loopback_create
>		eend $?
>		return $?
>	fi
>
>	# We may not have a loaded module for ${iface}
>	# Some users may have "alias natsemi eth0" in /etc/modules.d/foo
>	# so we can work with this
>	# However, if they do the same with eth1 and try to start it
>	# but eth0 has not been loaded then the module gets loaded as
>	# eth0.
>	# Not much we can do about this :(
>	# Also, we cannot error here as some modules - such as bridge
>	# create interfaces
>	if ! interface_exists ${iface} ; then
>		/sbin/modprobe ${iface} &>/dev/null
>	fi
>
>	# Setup variables for pre/post to use
>	ifvar=$( interface_variable ${iface} )
>	local IFACE=${iface} IFVAR=${ifvar}
>
>	# Call user-defined preup function if it exists
>	if [[ $( type -t preup ) == function ]]; then
>		einfo "Running preup function"
>		eindent
>		preup ${iface} ; x=$?
>		eoutdent
>		if [[ ${x} != 0 ]]; then
>			eerror "preup ${iface} failed"
>			return 1
>		fi
>	fi
>
>	# Don't let preup modify us
>	iface=${1}
>	local IFACE=${iface} IFVAR=${ifvar} config
>
>	# If config is set to noop and the interface is up with an address
>	# then we don't start it
>	eval config=( \"\$\{config_${ifvar}\[@\]\}\" )
>	if [[ ${config[0]} == "noop" ]] && interface_is_up ${iface} true ; then
>		einfo "Keeping current configuration for ${iface}"
>		eend 0
>	else
>		# Remove noop from the config var
>		[[ ${config[0]} == "noop" ]] && eval "config_${ifvar}=( "\"\$\{config\[@\]:1\}\"" )"
>
>		# There may be existing ip address info - so we strip it
>		interface_del_addresses ${iface}
>
>		# Start the interface
>		if ! iface_start ${iface} ; then
>			interface_exists ${iface} && interface_down ${iface}
>			eend 1
>			return 1
>		fi
>	fi
>
>	# Call user-defined postup function if it exists
>	if [[ $( type -t postup ) == function ]]; then
>		einfo "Running postup function"
>		eindent
>		postup ${iface}
>		eoutdent
>	fi
>
>	return 0
>}
>
># bool run_stop(char *iface) {
>#
># Brings down ${iface}.  If predown call returns non-zero, then
># stop returns non-zero to indicate failure bringing down device.
># In all other cases stop returns 0 to indicate success.
>run_stop() {
>	local iface=${1} ifvar x
>
>	# Don't run any special shutdown functions for lo
>	if [[ ${iface} == lo ]]; then
>		ebegin "Shutting down ${iface}"
>		interface_iface_stop ${iface}
>		eend $?
>		return 0
>	fi
>
>	# Setup variables for pre/post to use
>	ifvar=$( interface_variable ${iface} )
>	local IFACE=${iface} IFVAR=${ifvar}
>
>	# Call user-defined predown function if it exists
>	if [[ $( type -t predown ) == function ]]; then
>		einfo "Running predown function"
>		eindent
>		predown ${iface} ; x=$?
>		eoutdent
>		if [[ ${x} != 0 ]]; then
>			eend 1 "predown ${iface} failed"
>			return 1
>		fi
>	elif is_net_fs /; then
>		eerror "root filesystem is network mounted -- can't stop ${iface}"
>		return 1
>	fi
>
>	# Don't let predown modify us
>	iface=${1}
>	local IFACE=${iface} IFVAR=${ifvar}
>
>	iface_stop ${iface} || return 1  # always succeeds, btw
>
>	# Call user-defined postdown function if it exists
>	if [[ $( type -t postdown ) == function ]]; then
>		einfo "Running postdown function"
>		eindent
>		postdown ${iface}
>		eoutdent
>	fi
>
>	return 0
>}
>
># bool run(char *iface, char *cmd)
>#
># Main start/stop entry point
># We load modules here and remove any functions that they
># added as we may be called inside the same shell scope for another interface
>run() {
>	local iface=${1} cmd=${2} r=1 RC_INDENTATION=${RC_INDENTATION}	# so it will reset after function
>	local before starting=true
>	local -a MODULES mods
>
>	# We need to override the exit function as runscript.sh now checks
>	# for it. We need it so we can mark the service as inactive ourselves.
>	unset -f exit
>
>	eindent
>
>	unset_functions=${unset_functions:-false}
>	${unset_functions} && before="$( typeset -F )"
>	[[ ${cmd} == "stop" ]] && starting=false
>	if modules_load ${iface} ${starting} ; then
>		if [[ ${cmd} == "stop" ]]; then
>			# Reverse the module list for stopping
>			mods=( "${MODULES[@]}" )
>			for ((i = 0; i < ${#mods[@]}; i++)); do
>				MODULES[i]=${mods[((${#mods[@]} - i - 1))]}
>			done
>
>			run_stop ${iface} && r=0
>		else
>			run_start ${iface} && r=0
>		fi
>	fi
>
>	# We need to remove added functions before we quit as other init
>	# scripts may be launching afterwards
>	${unset_functions} && \
>	unset $( diff -U0 <( echo "${before}" ) <( echo "$( typeset -F )" ) 2>/dev/null \
>		| awk 'BEGIN { ORS = " "; } /+declare -f/ { print $3; }' ) 2>/dev/null
>
>	return ${r}
>}
>
># bool start(void)
>#
># Start entry point so that we only have one function
># which localises variables and unsets functions
>start() {
>	einfo "Starting ${IFACE}"
>	run ${IFACE} start
>	return $?
>}
>
># bool stop(void)
>#
># Stop entry point so that we only have one function
># which localises variables and unsets functions
>stop() {
>	einfo "Stopping ${IFACE}"
>	run ${IFACE} stop
>	return $?
>}
>
># bool restart(void)
>#
># Restart entry point
># We do this so as we only have to remove functions when stopping
>restart() {
>	local unset_functions=true
>	service_started "${myservice}" && svc_stop
>	unset_functions=false
>	svc_start
>	return $?
>}
>
># vim:ts=4
>
>
Danke an alle, Probleme sind erstmal gelöst :)
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