diff options
Diffstat (limited to 'init.d')
| -rw-r--r-- | init.d/Makefile | 4 | ||||
| -rw-r--r-- | init.d/network.in | 226 |
2 files changed, 228 insertions, 2 deletions
diff --git a/init.d/Makefile b/init.d/Makefile index fd2c87d1..d3c7cf1b 100644 --- a/init.d/Makefile +++ b/init.d/Makefile @@ -1,6 +1,6 @@ DIR= ${INITDIR} -SRCS= bootmisc.in fsck.in hostname.in local.in localmount.in \ - netmount.in root.in savecache.in swap.in sysctl.in urandom.in +SRCS= bootmisc.in fsck.in hostname.in local.in localmount.in netmount.in \ + network.in root.in savecache.in swap.in sysctl.in urandom.in BIN= ${OBJS} INSTALLAFTER= _installafter diff --git a/init.d/network.in b/init.d/network.in new file mode 100644 index 00000000..9b3fc285 --- /dev/null +++ b/init.d/network.in @@ -0,0 +1,226 @@ +#!@PREFIX@/sbin/runscript +# Copyright 2009 Roy Marples <roy@marples.name> +# All rights reserved. Released under the 2-clause BSD license. + +description="Configures network interfaces." +__nl=" +" + +depend() +{ + need localmount + after bootmisc + provide net + keyword nojail noprefix novserver +} + +interfaces() +{ + case "${RC_UNAME}" in + Linux) + local w= rest= i= cmd=$1 + while read w rest; do + i=${w%%:*} + [ "$i" != "$w" ] || continue + if [ "$cmd" = u ]; then + ifconfig "$i" | grep -q "[ ]*UP" || continue + fi + printf "%s " "$i" + done </proc/net/dev + ;; + *) + ifconfig -l$1 + ;; + esac +} + +uniqify() +{ + local result= + while [ -n "$1" ]; do + case " ${result} " in + *" $1 "*);; + *) result="${result} $1";; + esac + shift + done + echo "${result# *}" +} + +dumpargs() +{ + local f="$1" + + shift + case "$@" in + '') cat "$f";; + *"$__nl"*) echo "$@";; + *) + ( + set -o noglob + IFS=';'; set -- $@ + IFS="$__nl"; echo "$*" + );; + esac +} + +runip() +{ + local iface="$1" err= + + shift + err=$(LC_ALL=C ip address add "$@" dev "$iface" 2>&1) + [ -z "$err" ] && return 0 + if [ "$err" = "RTNETLINK answers: File exists" ]; then + ip address del "$@" dev "${iface}" 2>/dev/null + fi + # Localise the error + ip address add "$@" dev "$iface" +} + +routeflush() +{ + if [ "${RC_UNAME}" = Linux ]; then + if [ -x /sbin/ip ]; then + ip route flush scope global + else + # Sadly we also delete some link routes, but + # this cannot be helped + local dest= gate= net= flags= rest= + route -n | while read dest gate net flags rest; do + [ -z "$net" ] && continue + case "$dest" in + [0-9]*) ;; + *) continue;; + esac + local xtra= netmask="netmask $net" + case "$flags" in + U) continue;; + *H*) flags=-host; netmask=;; + *!*) flags=-net; xtra=reject;; + *) flags=-net;; + esac + route del $flags $dest $netmask $xtra + done + fi + else + route -qn flush + fi +} + +runargs() +{ + dumpargs "$@" | while read -r args; do + case "$args" in + ''|"#"*) ;; + *) + ( + vebegin "${args#*!}" + eval "${args#*!}" + veend $? + );; + esac + done +} + +start() +{ + local cr=0 r= iface= cnf= cmd= args= upcmd= + einfo "Starting network" + routeflush + if [ "${RC_UNAME}" = "Linux" ]; then + ifconfig lo 127.0.0.1 netmask 255.0.0.0 || cr=1 + route add -net 127.0.0.0 netmask 255.0.0.0 \ + gw 127.0.0.1 2>/dev/null + route add -net 127.0.0.0 netmask 255.0.0.0 \ + gw 127.0.0.1 reject 2>/dev/null + else + ifconfig lo0 127.0.0.1 netmask 255.0.0.0 || cr=1 + route -q add -inet 127.0.0.0 -netmask 255.0.0.0 \ + 127.0.0.1 -reject || cr=1 + fi + eindent + for iface in $(uniqify $(interfaces) $interfaces); do + local func= cf= + eval upcmd=\$ifup_$iface + for func in ip ifconfig; do + eval cmd=\$${func}_${iface} + if [ -n "$cmd" -o -f /etc/"$func.$iface" ]; then + cf=/etc/"$func.$iface" + break + fi + done + [ -n "$cf" -o -n "$upcmd" -o \ + -f /etc/ifup."$iface" -o -f "$cf" ] || continue + vebegin "$iface" + case "$func" in + ip) func=runip;; + esac + eindent + if [ -n "$upcmd" -o -f /etc/ifup."$iface" ]; then + runargs /etc/ifup."$iface" "$upcmd" + fi + r=0 + dumpargs "$cf" "$cmd" | while read -r args; do + case "$args" in + ''|"#"*) ;; + "!"*) + ( + vebegin "${args#*!}" + eval "${args#*!}" + veend $? + );; + *) + ( + set -o noglob + eval set -- "$args" + vebegin "$@" + $func "$iface" "$@" + veend $? + );; + esac + done + eoutdent + veend $? || cr=1 + done + eoutdent + eend $cr + + if [ -n "$defaultroute" ]; then + ebegin "Setting default route $defaultroute" + if [ "${RC_UNAME}" = Linux ]; then + route add default gw $defaultroute + else + route add default $defaultroute + fi + eend $? + fi + + return 0 +} + +stop() +{ + local cr=0 r= iface= cnf= cmd= args= downcmd= + einfo "Stopping network" + routeflush + eindent + for iface in $(uniqify $(interfaces u) $interfaces); do + eval downcmd=\$ifdown_$iface + eval cmd=\$ip_$iface + [ -z "$cmd" ] && eval cmd=\$ifconfig_$iface + if [ -n "$cmd" -o -f /etc/ip."$iface" -o \ + -f /etc/ifconfig."$iface" -o \ + -n "$downcmd" -o -f /etc/ifdown."$iface" ]; + then + vebegin "$iface" + if [ -n "$downcmd" -o -f /etc/ifdown."$iface" ]; then + runargs /etc/ifdown."$iface" "$downcmd" + fi + ifconfig "$iface" down 2>/dev/null + veend $? + fi + done + eoutdent + eend 0 +} |