We need to ensure that the init script started is correct, translating symlinks. This has a new rule - multiplexed services must exist in the same dir as the master sript. So we need to ensuret that net.lo(0) is the real script and not a symlink itself. This fixes Gentoo #219526.

6 files changed, 697 insertions, 0 deletions

diff --git a/init.d/.gitignore b/init.d/.gitignore
index e04a53f..1087212 100644
--- a/init.d/.gitignore
+++ b/init.d/.gitignore
@@ -26,3 +26,7 @@ mixer
 nscd
 powerd
 syscons
+net.lo
+ttys
+swap-blk
+wscons
diff --git a/init.d/Makefile b/init.d/Makefile
index a9f62e2..b670eac 100644
--- a/init.d/Makefile
+++ b/init.d/Makefile
@@ -3,7 +3,14 @@ SRCS=	bootmisc.in fsck.in halt.sh.in hostname.in local.in localmount.in \
 	netmount.in root.in swap.in sysctl.in urandom.in
 BIN=	${OBJS}
 
+INSTALLAFTER=	_installafter
+CLEANFILES+=	net.lo
+TARGETS+=	net.lo
+
 MK=	../mk
 include ${MK}/os.mk
 include Makefile.${OS}
 include ${MK}/scripts.mk
+
+_installafter: net.lo
+	${INSTALL} -m ${BINMODE} net.lo ${DESTDIR}/${INITDIR}/${NET_LO}
diff --git a/init.d/Makefile.FreeBSD b/init.d/Makefile.FreeBSD
index 8bcb969..3cd6feb 100644
--- a/init.d/Makefile.FreeBSD
+++ b/init.d/Makefile.FreeBSD
@@ -1,3 +1,5 @@
+NET_LO=	net.lo0
+
 # Generic BSD scripts
 SRCS+=	hostid.in moused.in newsyslog.in pf.in rarpd.in rc-enabled.in \
 	rpcbind.in savecore.in syslogd.in
diff --git a/init.d/Makefile.Linux b/init.d/Makefile.Linux
index 0e476b5..ae9e6ba 100644
--- a/init.d/Makefile.Linux
+++ b/init.d/Makefile.Linux
@@ -1,3 +1,5 @@
+NET_LO=	net.lo
+
 SRCS+=	hwclock.in consolefont.in keymaps.in modules.in mtab.in numlock.in \
 	procfs.in termencoding.in
 
diff --git a/init.d/Makefile.NetBSD b/init.d/Makefile.NetBSD
index 0bf2f65..2d1141b 100644
--- a/init.d/Makefile.NetBSD
+++ b/init.d/Makefile.NetBSD
@@ -1,3 +1,5 @@
+NET_LO=	net.lo0
+
 # Generic BSD scripts
 SRCS+=	hostid.in moused.in newsyslog.in pf.in rarpd.in rc-enabled.in \
 	rpcbind.in savecore.in syslogd.in
diff --git a/init.d/net.lo.in b/init.d/net.lo.in
new file mode 100644
index 0000000..8f53a86
--- /dev/null
+++ b/init.d/net.lo.in
@@ -0,0 +1,680 @@
+#!@PREFIX@/sbin/runscript
+# Copyright 2007-2008 Roy Marples <roy@marples.name>
+# All rights reserved. Released under the 2-clause BSD license.
+
+MODULESDIR="${RC_LIBDIR}/net"
+MODULESLIST="${RC_SVCDIR}/nettree"
+_config_vars="config routes"
+
+[ -z "${IN_BACKGROUND}" ] && IN_BACKGROUND="NO"
+
+description="Configures network interfaces."
+
+# Handy var so we don't have to embed new lines everywhere for array splitting
+__IFS="
+"
+depend()
+{
+	local IFACE=${RC_SVCNAME#*.}
+	local IFVAR=$(shell_var "${IFACE}")
+
+	need localmount
+	after bootmisc
+	provide net
+	keyword nojail noprefix novserver
+
+	case "${IFACE}" in
+		lo|lo0);;
+		*) after net.lo net.lo0;;
+	esac
+
+	if [ "$(command -v "depend_${IFVAR}")" = "depend_${IFVAR}" ]; then
+		depend_${IFVAR}
+	fi
+
+	local dep= prov=
+	for dep in need use before after provide keyword; do
+		eval prov=\$rc_${dep}_${IFVAR}
+		if [ -n "${prov}" ]; then
+			${dep} ${prov}
+		fi
+	done
+}
+
+# Support bash arrays - sigh
+_get_array()
+{
+	local _a=
+	if [ -n "${BASH}" ]; then
+		case "$(declare -p "$1" 2>/dev/null)" in
+			"declare -a "*)
+				eval "set -- \"\${$1[@]}\""
+				for _a; do
+					printf "%s\n" "${_a}"
+				done
+				return 0
+				;;
+		esac
+	fi
+
+	eval _a=\$$1
+	printf "%s" "${_a}"
+	printf "\n"
+	[ -n "${_a}" ]
+}
+
+# Flatten bash arrays to simple strings
+_flatten_array()
+{
+	if [ -n "${BASH}" ]; then
+		case "$(declare -p "$1" 2>/dev/null)" in
+			"declare -a "*)
+				eval "set -- \"\${$1[@]}\""
+				for x; do
+					printf "'%s' " "$(printf "$x" | sed "s:':'\\\'':g")"
+				done
+				return 0
+				;;
+		esac
+	fi
+
+	eval _a=\$$1
+	printf "%s" "${_a}"
+	printf "\n"
+	[ -n "${_a}" ]
+}
+
+_wait_for_carrier()
+{
+	local timeout= efunc=einfon
+
+	_has_carrier  && return 0
+
+	eval timeout=\$carrier_timeout_${IFVAR}
+	timeout=${timeout:-${carrier_timeout:-5}}
+
+	# Incase users don't want this nice feature ...
+	[ ${timeout} -le 0 ] && return 0
+
+	yesno ${RC_PARALLEL} && efunc=einfo
+	${efunc} "Waiting for carrier (${timeout} seconds) "
+	while [ ${timeout} -gt 0 ]; do
+		sleep 1
+		if _has_carrier; then
+			[ "${efunc}" = "einfon" ] && echo
+			eend 0
+			return 0
+		fi
+		timeout=$((${timeout} - 1))
+		[ "${efunc}" = "einfon" ] && printf "."
+	done
+
+	[ "${efunc}" = "einfon" ] && echo
+	eend 1
+	return 1
+}
+
+_netmask2cidr()
+{
+	# Some shells cannot handle hex arithmetic, so we massage it slightly
+	# Buggy shells include FreeBSD sh, dash and busybox.
+	# bash and NetBSD sh don't need this.
+	case $1 in
+		0x*)
+		local hex=${1#0x*} quad=
+		while [ -n "${hex}" ]; do
+			local lastbut2=${hex#??*}
+			quad=${quad}${quad:+.}0x${hex%${lastbut2}*}
+			hex=${lastbut2}
+		done
+		set -- ${quad}
+		;;
+	esac
+
+	local i= len=
+	local IFS=.
+	for i in $1; do
+		while [ ${i} != "0" ]; do
+			len=$((${len} + ${i} % 2))
+			i=$((${i} >> 1))
+		done
+	done
+
+	echo "${len}"
+}
+
+_configure_variables()
+{
+	local var= v= t=
+
+	for var in ${_config_vars}; do
+		local v=
+		for t; do
+			eval v=\$${var}_${t}
+			if [ -n "${v}" ]; then
+				eval ${var}_${IFVAR}=\$${var}_${t}
+				continue 2
+			fi
+		done
+	done
+}
+
+_show_address()
+{
+	einfo "received address $(_get_inet_address "${IFACE}")"
+}
+
+# Basically sorts our modules into order and saves the list
+_gen_module_list()
+{
+	local x= f= force=$1
+	if ! ${force} && [ -s "${MODULESLIST}" -a "${MODULESLIST}" -nt "${MODULESDIR}" ]; then
+		local update=false
+		for x in "${MODULESDIR}"/*.sh; do
+			[ -e "${x}" ] || continue
+			if [ "${x}" -nt "${MODULESLIST}" ]; then
+				update=true
+				break
+			fi
+		done
+		${update} || return 0
+	fi
+
+	einfo "Caching network module dependencies" 
+	# Run in a subshell to protect the main script
+	(
+	after() {
+		eval ${MODULE}_after="\"\${${MODULE}_after}\${${MODULE}_after:+ }$*\""
+	}
+
+	before() {
+		local mod=${MODULE}
+		local MODULE=
+		for MODULE; do
+			after "${mod}"
+		done
+	}
+
+	program() {
+		if [ "$1" = "start" -o "$1" = "stop" ]; then
+			local s="$1"
+			shift
+			eval ${MODULE}_program_${s}="\"\${${MODULE}_program_${s}}\${${MODULE}_program_${s}:+ }$*\""
+		else
+			eval ${MODULE}_program="\"\${${MODULE}_program}\${${MODULE}_program:+ }$*\""
+		fi
+	}
+
+	provide() {
+		eval ${MODULE}_provide="\"\${${MODULE}_provide}\${${MODULE}_provide:+ }$*\""
+		local x
+		for x in $*; do
+			eval ${x}_providedby="\"\${${MODULE}_providedby}\${${MODULE}_providedby:+ }${MODULE}\""
+		done
+	}
+
+	for MODULE in "${MODULESDIR}"/*.sh; do
+		sh -n "${MODULE}" || continue
+		. "${MODULE}" || continue 
+		MODULE=${MODULE#${MODULESDIR}/}
+		MODULE=${MODULE%.sh}
+		eval ${MODULE}_depend
+		MODULES="${MODULES} ${MODULE}"
+	done
+
+	VISITED=
+	SORTED=
+	visit() {
+		case " ${VISITED} " in
+			*" $1 "*) return;;
+		esac
+		VISITED="${VISITED} $1"
+
+		eval AFTER=\$${1}_after
+		for MODULE in ${AFTER}; do
+			eval PROVIDEDBY=\$${MODULE}_providedby
+			if [ -n "${PROVIDEDBY}" ]; then
+				for MODULE in ${PROVIDEDBY}; do
+					visit "${MODULE}"
+				done
+			else
+				visit "${MODULE}"
+			fi
+		done
+
+		eval PROVIDE=\$${1}_provide
+		for MODULE in ${PROVIDE}; do
+			visit "${MODULE}"
+		done
+
+		eval PROVIDEDBY=\$${1}_providedby
+		[ -z "${PROVIDEDBY}" ] && SORTED="${SORTED} $1"
+	}
+
+	for MODULE in ${MODULES}; do
+		visit "${MODULE}"
+	done
+
+	printf "" > "${MODULESLIST}"
+	i=0
+	for MODULE in ${SORTED}; do
+		eval PROGRAM=\$${MODULE}_program
+		eval PROGRAM_START=\$${MODULE}_program_start
+		eval PROGRAM_STOP=\$${MODULE}_program_stop
+		eval PROVIDE=\$${MODULE}_provide
+		echo "module_${i}='${MODULE}'" >> "${MODULESLIST}"
+		echo "module_${i}_program='${PROGRAM}'" >> "${MODULESLIST}"
+		echo "module_${i}_program_start='${PROGRAM_START}'" >> "${MODULESLIST}"
+		echo "module_${i}_program_stop='${PROGRAM_STOP}'" >> "${MODULESLIST}"
+		echo "module_${i}_provide='${PROVIDE}'" >> "${MODULESLIST}"
+		i=$((${i} + 1))
+	done
+	echo "module_${i}=" >> "${MODULESLIST}"
+	)
+
+	return 0
+}
+
+_load_modules()
+{
+	local starting=$1 mymods=
+
+	# Ensure our list is up to date
+	_gen_module_list false
+	if ! . "${MODULESLIST}"; then
+		_gen_module_list true
+		. "${MODULESLIST}"
+	fi
+
+	MODULES=
+	if [ "${IFACE}" != "lo" -a "${IFACE}" != "lo0" ]; then
+		eval mymods=\$modules_${IFVAR}
+		[ -z "${mymods}" ] && mymods=${modules}
+	fi
+
+	local i=-1 x= mod= f= provides=
+	while true; do
+		i=$((${i} + 1))
+		eval mod=\$module_${i}
+		[ -z "${mod}" ] && break
+		[ -e "${MODULESDIR}/${mod}.sh" ] || continue
+
+		eval set -- \$module_${i}_program
+		if [ -n "$1" ]; then
+			x=
+			for x; do
+				[ -x "${x}" ] && break
+			done
+			[ -x "${x}" ] || continue
+		fi
+		if ${starting}; then
+			eval set -- \$module_${i}_program_start
+		else
+			eval set -- \$module_${i}_program_stop
+		fi
+		if [ -n "$1" ]; then
+			x=
+			for x; do
+				case "${x}" in
+					/*) [ -x "${x}" ] && break;;
+					*) type "${x}" >/dev/null 2>&1 && break;;
+				esac
+				unset x
+			done
+			[ -n "${x}" ] || continue
+		fi
+
+		eval provides=\$module_${i}_provide
+		if ${starting}; then
+			case " ${mymods} " in
+				*" !${mod} "*) continue;;
+				*" !${provides} "*) [ -n "${provides}" ] && continue;;
+			esac
+		fi
+		MODULES="${MODULES}${MODULES:+ }${mod}"
+
+		# Now load and wrap our functions
+		if ! . "${MODULESDIR}/${mod}.sh"; then
+			eend 1 "${RC_SVCNAME}: error loading module \`${mod}'"
+			exit 1
+		fi
+
+		[ -z "${provides}" ] && continue
+
+		# Wrap our provides
+		local f=
+		for f in pre_start start post_start; do 
+			eval "${provides}_${f}() { [ "$(command -v "${mod}_${f}")" = "${mod}_${f}" ] || return 0; ${mod}_${f} \"\$@\"; }"
+		done
+
+		eval module_${mod}_provides="${provides}"
+		eval module_${provides}_providedby="${mod}"
+	done
+
+	# Wrap our preferred modules
+	for mod in ${mymods}; do
+		case " ${MODULES} " in
+			*" ${mod} "*)
+			eval x=\$module_${mod}_provides
+			[ -z "${x}" ] && continue
+			for f in pre_start start post_start; do 
+				eval "${x}_${f}() { [ "$(command -v "${mod}_${f}")" = "${mod}_${f}" ] || return 0; ${mod}_${f} \"\$@\"; }"
+			done
+			eval module_${x}_providedby="${mod}"
+			;;
+		esac
+	done
+
+	# Finally remove any duplicated provides from our list if we're starting
+	# Otherwise reverse the list
+	local LIST="${MODULES}" p=
+	MODULES=
+	if ${starting}; then
+		for mod in ${LIST}; do
+			eval x=\$module_${mod}_provides
+			if [ -n "${x}" ]; then
+				eval p=\$module_${x}_providedby
+				[ "${mod}" != "${p}" ] && continue
+			fi
+			MODULES="${MODULES}${MODULES:+ }${mod}"
+		done
+	else
+		for mod in ${LIST}; do 
+			MODULES="${mod}${MODULES:+ }${MODULES}"
+		done
+	fi
+
+	veinfo "Loaded modules: ${MODULES}"
+}
+
+_load_config()
+{
+	local config="$(_get_array "config_${IFVAR}")"
+	local fallback="$(_get_array fallback_${IFVAR})"
+
+	config_index=0
+	local IFS="$__IFS"
+	set -- ${config}
+	
+	# We should support a space separated array for cidr configs
+	if [ $# = 1 ]; then
+		unset IFS
+		set -- ${config}
+		# Of course, we may have a single address added old style.
+		case "$2" in
+			netmask|broadcast|brd|brd+)
+				local IFS="$__IFS"
+				set -- ${config}
+				;;
+		esac
+	fi
+
+	# Ensure that loopback has the correct address
+	if [ "${IFACE}" = "lo" -o "${IFACE}" = "lo0" ]; then
+		if [ "$1" != "null" ]; then
+		   	config_0="127.0.0.1/8"
+			config_index=1
+		fi
+	else	
+		if [ -z "$1" ]; then
+			ewarn "No configuration specified; defaulting to DHCP"
+			config_0="dhcp"
+			config_index=1
+		fi
+	fi
+
+
+	# We store our config in an array like vars
+	# so modules can influence it
+	for cmd; do
+		eval config_${config_index}="'${cmd}'"
+		config_index=$((${config_index} + 1))
+	done
+	# Terminate the list
+	eval config_${config_index}=
+
+	config_index=0
+	for cmd in ${fallback}; do
+		eval fallback_${config_index}="'${cmd}'"
+		config_index=$((${config_index} + 1))
+	done
+	# Terminate the list
+	eval fallback_${config_index}=
+
+	# Don't set to zero, so any net modules don't have to do anything extra
+	config_index=-1
+}
+
+start()
+{
+	local IFACE=${RC_SVCNAME#*.} oneworked=false module=
+	local IFVAR=$(shell_var "${IFACE}") cmd= our_metric=
+	local metric=0
+
+	einfo "Bringing up interface ${IFACE}"
+	eindent
+
+	if [ -z "${MODULES}" ]; then
+		local MODULES=
+		_load_modules true
+	fi
+
+	# We up the iface twice if we have a preup to ensure it's up if
+	# available in preup and afterwards incase the user inadvertently
+	# brings it down
+	if [ "$(command -v preup)" = "preup" ]; then
+		_up 2>/dev/null
+		ebegin "Running preup"
+		eindent
+		preup || return 1
+		eoutdent
+	fi
+
+	_up 2>/dev/null
+	
+	for module in ${MODULES}; do
+		if [ "$(command -v "${module}_pre_start")" = "${module}_pre_start" ]; then
+			${module}_pre_start || exit $?
+		fi
+	done
+
+	if ! _exists; then
+		eerror "ERROR: interface ${IFACE} does not exist"
+		eerror "Ensure that you have loaded the correct kernel module for your hardware"
+		return 1
+	fi
+
+	if ! _wait_for_carrier; then
+		if service_started devd; then
+			ewarn "no carrier, but devd will start us when we have one"
+			mark_service_inactive "${RC_SVCNAME}"
+		else
+			eerror "no carrier"
+		fi
+		return 1
+	fi
+
+	local config= config_index=
+	_load_config
+	config_index=0
+
+	eval our_metric=\$metric_${IFVAR} 
+	if [ -n "${our_metric}" ]; then
+		metric=${our_metric}
+	elif [ "${IFACE}" != "lo" -a "${IFACE}" != "lo0" ]; then
+		metric=$((${metric} + $(_ifindex)))
+	fi
+
+	while true; do
+		eval config=\$config_${config_index}
+		[ -z "${config}" ] && break 
+
+		set -- ${config}
+		ebegin "$1"
+		eindent
+		case "$1" in
+			noop)
+				if [ -n "$(_get_inet_address)" ]; then
+					oneworked=true
+					break
+				fi
+				;;
+			null) :;;
+			[0-9]*|*:*) _add_address ${config};;
+			*)
+				if [ "$(command -v "${config}_start")" = "${config}_start" ]; then
+					"${config}"_start
+				else
+					eerror "nothing provides \`${config}'"
+				fi
+				;;
+		esac
+		if eend $?; then
+			oneworked=true
+		else
+			eval config=\$fallback_${config_index}
+			if [ -n "${config}" ]; then
+				eoutdent
+				ewarn "Trying fallback configuration ${config}"
+				eindent
+				eval config_${config_index}=\$config
+				unset fallback_${config_index}
+				config_index=$((${config_index} - 1))
+			fi
+		fi
+		eoutdent
+		config_index=$((${config_index} + 1))
+	done
+
+	if ! ${oneworked}; then
+		if [ "$(command -v failup)" = "failup" ]; then
+			ebegin "Running failup"
+			eindent
+			failup
+			eoutdent
+		fi
+		return 1
+	fi
+
+	local hidefirstroute=false first=true
+	local routes="$(_get_array "routes_${IFVAR}")"
+	if [ "${IFACE}" = "lo" -o "${IFACE}" = "lo0" ]; then
+		if [ "${config_0}" != "null" ]; then
+			routes="127.0.0.0/8 via 127.0.0.1
+${routes}"
+			hidefirstroute=true
+		fi
+	fi
+
+	local OIFS="${IFS}" SIFS=${IFS-y}
+	local IFS="$__IFS"
+	for cmd in ${routes}; do
+		unset IFS
+		if ${first}; then
+			first=false
+			einfo "Adding routes"
+		fi
+		eindent
+		ebegin ${cmd}
+		# Work out if we're a host or a net if not told
+		case ${cmd} in
+			-net" "*|-host" "*);;
+			*" "netmask" "*)                   cmd="-net ${cmd}";;
+			*.*.*.*/32*)                       cmd="-host ${cmd}";;
+			*.*.*.*/*|0.0.0.0" "*|default" "*) cmd="-net ${cmd}";;
+			*)                                 cmd="-host ${cmd}";;
+		esac
+		if ${hidefirstroute}; then
+			_add_route ${cmd} >/dev/null 2>&1
+			hidefirstroute=false
+		else
+			_add_route ${cmd} >/dev/null
+		fi
+		eend $?
+		eoutdent
+	done
+	if [ "${SIFS}" = "y" ]; then
+		unset IFS
+	else
+		IFS="${OIFS}"
+	fi
+
+	for module in ${MODULES}; do
+		if [ "$(command -v "${module}_post_start")" = "${module}_post_start" ]; then
+			${module}_post_start || exit $?
+		fi
+	done
+
+	if [ "$(command -v postup)" = "postup" ]; then
+		ebegin "Running postup"
+		eindent
+		postup 
+		eoutdent
+	fi
+
+	return 0
+}
+
+stop()
+{
+	local IFACE=${RC_SVCNAME#*.} module=
+	local IFVAR=$(shell_var "${IFACE}") opts=
+
+	einfo "Bringing down interface ${IFACE}"
+	eindent
+
+	if [ -z "${MODULES}" ]; then
+		local MODULES=
+		_load_modules false
+	fi
+
+	if [ "$(command -v predown)" = "predown" ]; then
+		ebegin "Running predown"
+		eindent
+		predown || return 1
+		eoutdent
+	else
+		if is_net_fs /; then
+			eerror "root filesystem is network mounted -- can't stop ${IFACE}"
+			return 1
+		fi
+	fi
+
+	for module in ${MODULES}; do
+		if [ "$(command -v "${module}_pre_stop")" = "${module}_pre_stop" ]; then
+			${module}_pre_stop || exit $?
+		fi
+	done
+
+	for module in ${MODULES}; do
+		if [ "$(command -v "${module}_stop")" = "${module}_stop" ]; then
+			${module}_stop
+		fi
+	done
+
+	# Only delete addresses for non PPP interfaces
+	if ! [ "$(command -v is_ppp)" = "is_ppp" ] || ! is_ppp; then
+		_delete_addresses "${IFACE}"
+	fi
+
+	for module in ${MODULES}; do
+		if [ "$(command -v "${module}_post_stop")" = "${module}_post_stop" ]; then
+			${module}_post_stop
+		fi
+	done
+
+	! yesno ${IN_BACKGROUND} && \
+	[ "${IFACE}" != "lo" -a "${IFACE}" != "lo0" ] && \
+	_down 2>/dev/null
+
+	type resolvconf >/dev/null 2>&1 && resolvconf -d "${IFACE}" 2>/dev/null
+
+	if [ "$(command -v "postdown")" = "postdown" ]; then
+		ebegin "Running postdown"
+		eindent
+		postdown
+		eoutdent
+	fi
+
+	return 0
+}