mirror of
https://github.com/dracutdevs/dracut.git
synced 2024-10-28 02:25:18 +03:00
add preliminary IPv6 support
This commit is contained in:
Harald Hoyer
parent
b456ab777d
commit
c98bcec89c
14
dracut.8
14
dracut.8
@ -236,22 +236,22 @@ only activate the raid sets with the given UUID
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.SS Network
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.TP
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.BR ip= {dhcp|on|any|auto6}
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.BR ip= {dhcp|on|any|dhcp6|auto6}
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dhcp|on|any: get ip from dhcp server from all interfaces. If root=dhcp,
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loop sequentially through all interfaces (eth0, eth1, ...) and use the first
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with a valid DHCP root-path.
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auto6: do ipv6 autoconfiguration
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auto6: do IPv6 autoconfiguration
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.TP
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.BR ip= <interface>:{dhcp|on|any|auto6}
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dhcp|on|any: get ip from dhcp server on a specific interface
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.BR ip= <interface>:{dhcp|on|any|dhcp6|auto6}
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dhcp|on|any|dhcp6: get ip from dhcp server on a specific interface
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auto6: do ipv6 autoconfiguration
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auto6: do IPv6 autoconfiguration
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.TP
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.ad l
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.BR ip= "\%<client-IP>\::[<server-id>]\::<gateway-IP>\::<netmask>\::<client\%hostname>\::<interface>\::{none|off}"
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.ad
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explicit network configuration
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explicit network configuration. If you want do define a IPv6 address, put it in brackets (e.g. [2001:DB8::1]).
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.TP
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.BR ifname= <interface>:<MAC>
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Assign network device name <interface> (ie eth0) to the NIC with MAC <MAC>.
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@ -277,7 +277,7 @@ NFS options can be appended with the prefix ":" or "," and are seperated by ",".
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.TP
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.BR root= "nfs4:[<server-ip>:]<root-dir>[:<nfs-options>]"
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.TP
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.BR root= dhcp
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.BR root= dhcp|dhcp6
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root=dhcp alone directs initrd to look at the DHCP root-path where NFS
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options can be specified.
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root-path=<server-ip>:<root-dir>[,<nfs-options>]
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@ -7,13 +7,15 @@
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[ -z "$root" ] && root=$(getarg root=)
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[ -z "$netroot" ] && netroot=$(getarg netroot=)
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if [ "$root" = "dhcp" ] || [ "$netroot" = "dhcp" ] ; then
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if [ "$root" = "dhcp" ] || [ "$root" = "dhcp6" ] || [ "$netroot" = "dhcp" ] ; then
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# Tell ip= checker that we need dhcp
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NEEDDHCP="1"
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# Done, all good!
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rootok=1
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netroot=dhcp
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if [ "$netroot" != "dhcp" ] ; then
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netroot=$root
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fi
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# Shut up init error check
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[ -z "$root" ] && root="dhcp"
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@ -3,38 +3,61 @@
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# We don't need to check for ip= errors here, that is handled by the
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# cmdline parser script
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#
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PATH=$PATH:/sbin:/usr/sbin
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# Sadly there's no easy way to split ':' separated lines into variables
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ip_to_var() {
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local v=${1}:
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set --
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while [ -n "$v" ]; do
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set -- "$@" "${v%%:*}"
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v=${v#*:}
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done
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unset ip srv gw mask hostname dev autoconf
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case $# in
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0) autoconf="error" ;;
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1) autoconf=$1 ;;
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2) dev=$1; autoconf=$2 ;;
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*) ip=$1; srv=$2; gw=$3; mask=$4; hostname=$5; dev=$6; autoconf=$7 ;;
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esac
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}
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. /lib/dracut-lib.sh
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# Run dhclient
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do_dhcp() {
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# /sbin/dhclient-script will mark the netif up and generate the online
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# event for nfsroot
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# XXX add -V vendor class and option parsing per kernel
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dhclient -1 -q -cf /etc/dhclient.conf -pf /tmp/dhclient.$netif.pid -lf /tmp/dhclient.$netif.lease $netif
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dhclient "$@" -1 -q -cf /etc/dhclient.conf -pf /tmp/dhclient.$netif.pid -lf /tmp/dhclient.$netif.lease $netif
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}
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load_ipv6() {
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modprobe ipv6
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i=0
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while [ ! -d /proc/sys/net/ipv6 ]; do
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i=$(($i+1))
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[ $i -gt 10 ] && break
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sleep 0.1
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done
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}
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do_ipv6auto() {
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load_ipv6
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{
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echo 0 > /proc/sys/net/ipv6/conf/$netif/forwarding
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echo 1 > /proc/sys/net/ipv6/conf/$netif/accept_ra
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echo 1 > /proc/sys/net/ipv6/conf/$netif/accept_redirects
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echo ip link set $netif up
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echo wait_for_if_up $netif
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} > /tmp/net.$netif.up
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[ -n "$hostname" ] && echo "echo $hostname > /proc/sys/kernel/hostname" > /tmp/net.$netif.hostname
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namesrv=$(getargs nameserver)
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if [ -n "$namesrv" ] ; then
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for s in $namesrv; do
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echo nameserver $s
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done
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fi >> /tmp/net.$netif.resolv.conf
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echo online > /sys/class/net/$netif/uevent
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/sbin/initqueue --onetime --name netroot-$netif /sbin/netroot $netif
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}
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# Handle static ip configuration
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do_static() {
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strstr $ip '*:*:*' && load_ipv6
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{
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echo ip link set $netif up
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echo wait_for_if_up $netif
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# do not flush addr for ipv6
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strstr $ip '*:*:*' || \
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echo ip addr flush dev $netif
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echo ip addr add $ip/$mask dev $netif
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} > /tmp/net.$netif.up
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@ -42,6 +65,13 @@ do_static() {
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[ -n "$gw" ] && echo ip route add default via $gw dev $netif > /tmp/net.$netif.gw
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[ -n "$hostname" ] && echo "echo $hostname > /proc/sys/kernel/hostname" > /tmp/net.$netif.hostname
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namesrv=$(getargs nameserver)
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if [ -n "$namesrv" ] ; then
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for s in $namesrv; do
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echo nameserver $s
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done
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fi >> /tmp/net.$netif.resolv.conf
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echo online > /sys/class/net/$netif/uevent
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/sbin/initqueue --onetime --name netroot-$netif /sbin/netroot $netif
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}
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@ -99,7 +129,14 @@ fi
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# No ip lines default to dhcp
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ip=$(getarg ip)
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[ -z "$ip" ] && do_dhcp;
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if [ -z "$ip" ]; then
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if [ "$netroot" = "dhcp6" ]; then
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do_dhcp -6
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else
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do_dhcp -4
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fi
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fi
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# Specific configuration, spin through the kernel command line
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# looking for ip= lines
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@ -115,9 +152,16 @@ for p in $(getargs ip=); do
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done > /tmp/net.$netif.override
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case $autoconf in
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dhcp|on|any) do_dhcp ;;
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*) do_static ;;
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dhcp|on|any)
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do_dhcp -4 ;;
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dhcp6)
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do_dhcp -6 ;;
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auto6)
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do_ipv6auto ;;
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*)
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do_static ;;
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esac
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break
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done
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exit 0
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@ -11,3 +11,18 @@ inst_hook cmdline 99 "$moddir/parse-ip-opts.sh"
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inst_hook cmdline 98 "$moddir/parse-bridge.sh"
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inst_hook cmdline 99 "$moddir/parse-ifname.sh"
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inst_hook pre-pivot 10 "$moddir/kill-dhclient.sh"
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if ldd $(which sh) | grep -q lib64; then
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LIBDIR="/lib64"
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else
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LIBDIR="/lib"
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fi
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ARCH=$(uname -m)
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for dir in /usr/$LIBDIR/tls/$ARCH/ /usr/$LIBDIR/tls/ /usr/$LIBDIR/$ARCH/ /usr/$LIBDIR/ /$LIBDIR/; do
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for i in $(ls $dir/libnss_dns.so.* $dir/libnss_mdns4_minimal.so.* 2>/dev/null); do
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dracut_install $i
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done
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done
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@ -14,3 +14,4 @@ instmods $(filter_kernel_modules net_module_test)
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instmods ecb arc4
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# bridge modules
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instmods bridge stp llc
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instmods ipv6
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@ -31,7 +31,7 @@ netif=$1
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# Figure out the handler for root=dhcp by recalling all netroot cmdline
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# handlers
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if [ "$netroot" = "dhcp" ] ; then
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if [ "$netroot" = "dhcp" ] || [ "$netroot" = "dhcp6" ] ; then
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# Unset root so we can check later
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unset root
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@ -12,23 +12,7 @@
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# routing,dns,dhcp-options,etc.
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#
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# Sadly there's no easy way to split ':' separated lines into variables
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ip_to_var() {
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local v=${1}:
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set --
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while [ -n "$v" ]; do
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set -- "$@" "${v%%:*}"
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v=${v#*:}
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done
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unset ip srv gw mask hostname dev autoconf
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case $# in
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0) autoconf="error" ;;
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1) autoconf=$1 ;;
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2) dev=$1; autoconf=$2 ;;
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*) ip=$1; srv=$2; gw=$3; mask=$4; hostname=$5; dev=$6; autoconf=$7 ;;
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esac
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}
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. /lib/dracut-lib.sh
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# Check if ip= lines should be used
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if getarg ip= >/dev/null ; then
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@ -15,39 +15,49 @@ for netif in $IFACES ; do
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bridge=yes
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fi
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cat /sys/class/net/$netif/address > /tmp/net.$netif.hwaddr
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echo "# Generated by dracut initrd" > /tmp/ifcfg/ifcfg-$netif
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echo "DEVICE=$netif" >> /tmp/ifcfg/ifcfg-$netif
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echo "ONBOOT=yes" >> /tmp/ifcfg/ifcfg-$netif
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echo "NETBOOT=yes" >> /tmp/ifcfg/ifcfg-$netif
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{
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echo "# Generated by dracut initrd"
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echo "DEVICE=$netif"
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echo "ONBOOT=yes"
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echo "NETBOOT=yes"
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if [ -f /tmp/net.$netif.lease ]; then
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echo "BOOTPROTO=dhcp" >> /tmp/ifcfg/ifcfg-$netif
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strstr "$ip" '*:*:*' &&
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echo "DHCPV6C=yes"
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echo "BOOTPROTO=dhcp"
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else
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echo "BOOTPROTO=none" >> /tmp/ifcfg/ifcfg-$netif
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echo "BOOTPROTO=none"
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# If we've booted with static ip= lines, the override file is there
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. /tmp/net.$netif.override
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echo "IPADDR=$ip" >> /tmp/ifcfg/ifcfg-$netif
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echo "NETMASK=$mask" >> /tmp/ifcfg/ifcfg-$netif
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[ -n "$gw" ] && echo "GATEWAY=$gw" >> /tmp/ifcfg/ifcfg-$netif
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echo "IPADDR=$ip"
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echo "NETMASK=$mask"
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[ -n "$gw" ] && echo "GATEWAY=$gw"
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fi
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} > /tmp/ifcfg/ifcfg-$netif
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# bridge needs different things written to ifcfg
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if [ -z "$bridge" ]; then
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# standard interface
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echo "HWADDR=$(cat /sys/class/net/$netif/address)" >> /tmp/ifcfg/ifcfg-$netif
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echo "TYPE=Ethernet" >> /tmp/ifcfg/ifcfg-$netif
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echo "NAME=\"Boot Disk\"" >> /tmp/ifcfg/ifcfg-$netif
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{
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echo "HWADDR=$(cat /sys/class/net/$netif/address)"
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echo "TYPE=Ethernet"
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echo "NAME=\"Boot Disk\""
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} >> /tmp/ifcfg/ifcfg-$netif
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else
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# bridge
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echo "TYPE=Bridge" >> /tmp/ifcfg/ifcfg-$netif
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echo "NAME=\"Boot Disk\"" >> /tmp/ifcfg/ifcfg-$netif
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{
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echo "TYPE=Bridge"
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echo "NAME=\"Boot Disk\""
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} >> /tmp/ifcfg/ifcfg-$netif
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# write separate ifcfg file for the raw eth interface
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echo "DEVICE=$ethname" >> /tmp/ifcfg/ifcfg-$ethname
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echo "TYPE=Ethernet" >> /tmp/ifcfg/ifcfg-$ethname
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echo "ONBOOT=yes" >> /tmp/ifcfg/ifcfg-$ethname
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echo "NETBOOT=yes" >> /tmp/ifcfg/ifcfg-$ethname
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echo "HWADDR=$(cat /sys/class/net/$ethname/address)" >> /tmp/ifcfg/ifcfg-$ethname
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echo "BRIDGE=$netif" >> /tmp/ifcfg/ifcfg-$ethname
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echo "NAME=$ethname" >> /tmp/ifcfg/ifcfg-$ethname
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{
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echo "DEVICE=$ethname"
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echo "TYPE=Ethernet"
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echo "ONBOOT=yes"
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echo "NETBOOT=yes"
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echo "HWADDR=$(cat /sys/class/net/$ethname/address)"
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echo "BRIDGE=$netif"
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echo "NAME=$ethname"
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} >> /tmp/ifcfg/ifcfg-$ethname
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fi
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done
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@ -1,3 +1,3 @@
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#!/bin/bash
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dracut_install -o ps grep more cat rm strace free showmount
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dracut_install -o ping netstat rpcinfo vi scp
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dracut_install -o ping netstat rpcinfo vi scp ping6 ssh
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@ -88,15 +88,31 @@ if [ $# -gt 1 ]; then
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fi
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fi
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fi
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IFS=:
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set $iroot
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IFS="$OLDIFS"
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local v=${iroot}:
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local i
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set --
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while [ -n "$v" ]; do
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if [ "${v#\[*:*:*\]:}" != "$v" ]; then
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# handle IPv6 address
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i="${v%%\]:*}"
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i="${i##\[}"
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set -- "$@" "$i"
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v=${v#\[$i\]:}
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else
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set -- "$@" "${v%%:*}"
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v=${v#*:}
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fi
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done
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iscsi_target_ip=$1; shift
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iscsi_protocol=$1; shift # ignored
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iscsi_target_port=$1; shift
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iscsi_lun=$1; shift
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IFS=:
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iscsi_target_name=$*
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IFS="$OLDIFS"
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IFS=$OLDIFS
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# XXX is this needed?
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getarg ro && iscsirw=ro
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getarg rw && iscsirw=rw
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@ -1,43 +1,5 @@
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#!/bin/sh
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# Copy from parse-nfsroot.sh
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root_to_var() {
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local v=${1}:
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set --
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while [ -n "$v" ]; do
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set -- "$@" "${v%%:*}"
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v=${v#*:}
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done
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unset nfs server path options
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# Ugly: Can't -z test $path after the case, since it might be allowed
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# to be empty for root=nfs
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nfs=$1
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case $# in
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0|1);;
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2) path=$2;;
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3)
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# This is ultra ugly. But we can't decide in which position path
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# sits without checking if the string starts with '/'
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case $2 in
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/*) path=$2; options=$3;;
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*) server=$2; path=$3;;
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esac
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;;
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*) server=$2; path=$3; options=$4;
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esac
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# Does it really start with '/'?
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[ -n "${path%%/*}" ] && path="error";
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#Fix kernel legacy style separating path and options with ','
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if [ "$path" != "${path#*,}" ] ; then
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options=${path#*,}
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path=${path%%,*}
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fi
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}
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. /lib/dracut-lib.sh
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PATH=$PATH:/sbin:/usr/sbin
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@ -63,7 +25,7 @@ case "${root%%:*}" in
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*) return;;
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esac
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root_to_var $root
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nfsroot_to_var $root
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#Load other data that might provide info
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[ -f /tmp/net.$netif.override ] && . /tmp/net.$netif.override
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@ -71,7 +33,7 @@ root_to_var $root
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#Empty path means try dhcp root-path, this is ok here since parse-nfsroot.sh
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#already takes care of nfs:... formatted root-path
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[ -z "$path" ] && root_to_var $nfs:$new_root_path
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[ -z "$path" ] && nfsroot_to_var $nfs:$new_root_path
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#Empty path defaults to "/tftpboot/%s" only in nfsroot.txt legacy mode
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[ -z "$path" ] && [ "$(getarg root=)" = "/dev/nfs" ] && path="/tftpboot/%s"
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@ -23,43 +23,7 @@
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# NFSv3 is used.
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#
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# Sadly there's no easy way to split ':' separated lines into variables
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netroot_to_var() {
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local v=${1}:
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set --
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while [ -n "$v" ]; do
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set -- "$@" "${v%%:*}"
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v=${v#*:}
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done
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unset nfs server path options
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nfs=$1
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# Ugly: Can't -z test #path after the case, since it might be allowed
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# to be empty for root=nfs
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case $# in
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0|1);;
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2) path=${2:-error};;
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3)
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# This is ultra ugly. But we can't decide in which position path
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# sits without checking if the string starts with '/'
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case $2 in
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/*) path=$2; options=$3;;
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*) server=$2; path=${3:-error};;
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esac
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;;
|
||||
*) server=$2; path=${3:-error}; options=$4;
|
||||
esac
|
||||
|
||||
# Does it really start with '/'?
|
||||
[ -n "${path%%/*}" ] && path="error";
|
||||
|
||||
#Fix kernel legacy style separating path and options with ','
|
||||
if [ "$path" != "${path#*,}" ] ; then
|
||||
options=${path#*,}
|
||||
path=${path%%,*}
|
||||
fi
|
||||
}
|
||||
. /lib/dracut-lib.sh
|
||||
|
||||
#Don't continue if root is ok
|
||||
[ -n "$rootok" ] && return
|
||||
@ -105,7 +69,7 @@ case "${netroot%%:*}" in
|
||||
esac
|
||||
|
||||
# Check required arguments
|
||||
netroot_to_var $netroot
|
||||
nfsroot_to_var $netroot
|
||||
[ "$path" = "error" ] && die "Argument nfsroot must contain a valid path!"
|
||||
|
||||
# Set fstype, might help somewhere
|
||||
|
||||
@ -1,3 +1,9 @@
|
||||
|
||||
# returns OK if $1 contains $2
|
||||
strstr() {
|
||||
[ "${1#*$2*}" != "$1" ]
|
||||
}
|
||||
|
||||
getarg() {
|
||||
local o line
|
||||
if [ -z "$CMDLINE" ]; then
|
||||
@ -50,6 +56,7 @@ setdebug() {
|
||||
[ "$RDDEBUG" = "yes" ] && set -x
|
||||
}
|
||||
|
||||
setdebug
|
||||
|
||||
source_all() {
|
||||
local f
|
||||
@ -171,3 +178,65 @@ wait_for_if_up() {
|
||||
done
|
||||
return 1
|
||||
}
|
||||
|
||||
# root=nfs:[<server-ip>:]<root-dir>[:<nfs-options>]
|
||||
# root=nfs4:[<server-ip>:]<root-dir>[:<nfs-options>]
|
||||
nfsroot_to_var() {
|
||||
# strip nfs[4]:
|
||||
local arg="$@:"
|
||||
nfs="${arg%%:*}"
|
||||
arg="${arg##$nfs:}"
|
||||
# check for server
|
||||
local OLDIFS="$IFS"
|
||||
|
||||
# check if we have a server
|
||||
if strstr "$arg" ':/*' ; then
|
||||
server="${arg%%:/*}"
|
||||
arg="/${arg##*:/}"
|
||||
fi
|
||||
|
||||
path="${arg%%:*}"
|
||||
|
||||
# rest are options
|
||||
options="${arg##$path}"
|
||||
# strip leading ":"
|
||||
options="${options##:}"
|
||||
# strip ":"
|
||||
options="${options%%:}"
|
||||
|
||||
# Does it really start with '/'?
|
||||
[ -n "${path%%/*}" ] && path="error";
|
||||
|
||||
#Fix kernel legacy style separating path and options with ','
|
||||
if [ "$path" != "${path#*,}" ] ; then
|
||||
options=${path#*,}
|
||||
path=${path%%,*}
|
||||
fi
|
||||
}
|
||||
|
||||
ip_to_var() {
|
||||
local v=${1}:
|
||||
local i
|
||||
set --
|
||||
while [ -n "$v" ]; do
|
||||
if [ "${v#\[*:*:*\]:}" != "$v" ]; then
|
||||
# handle IPv6 address
|
||||
i="${v%%\]:*}"
|
||||
i="${i##\[}"
|
||||
set -- "$@" "$i"
|
||||
v=${v#\[$i\]:}
|
||||
else
|
||||
set -- "$@" "${v%%:*}"
|
||||
v=${v#*:}
|
||||
fi
|
||||
done
|
||||
|
||||
unset ip srv gw mask hostname dev autoconf
|
||||
case $# in
|
||||
0) autoconf="error" ;;
|
||||
1) autoconf=$1 ;;
|
||||
2) dev=$1; autoconf=$2 ;;
|
||||
*) ip=$1; srv=$2; gw=$3; mask=$4; hostname=$5; dev=$6; autoconf=$7 ;;
|
||||
esac
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user