You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
556 lines
18 KiB
556 lines
18 KiB
#!/bin/sh |
|
# |
|
# We don't need to check for ip= errors here, that is handled by the |
|
# cmdline parser script |
|
# |
|
# without $2 means this is for real netroot case |
|
# or it is for manually bring up network ie. for kdump scp vmcore |
|
PATH=/usr/sbin:/usr/bin:/sbin:/bin |
|
|
|
type getarg > /dev/null 2>&1 || . /lib/dracut-lib.sh |
|
type ip_to_var > /dev/null 2>&1 || . /lib/net-lib.sh |
|
|
|
# Huh? No $1? |
|
[ -z "$1" ] && exit 1 |
|
|
|
# $netif reads easier than $1 |
|
netif=$1 |
|
|
|
# loopback is always handled the same way |
|
if [ "$netif" = "lo" ]; then |
|
ip link set lo up |
|
ip addr add 127.0.0.1/8 dev lo |
|
exit 0 |
|
fi |
|
|
|
do_dhcp_parallel() { |
|
# dhclient-script will mark the netif up and generate the online |
|
# event for nfsroot |
|
# XXX add -V vendor class and option parsing per kernel |
|
|
|
[ -e "/tmp/dhclient.$netif.pid" ] && return 0 |
|
|
|
if ! iface_has_carrier "$netif"; then |
|
warn "No carrier detected on interface $netif" |
|
return 1 |
|
fi |
|
|
|
bootintf=$(readlink "$IFNETFILE") |
|
if [ -n "$bootintf" ] && [ -e "/tmp/dhclient.${bootintf}.lease" ]; then |
|
info "DHCP already succeeded for $bootintf, exiting for $netif" |
|
return 1 |
|
fi |
|
|
|
if [ ! -e /run/NetworkManager/conf.d/10-dracut-dhclient.conf ]; then |
|
mkdir -p /run/NetworkManager/conf.d |
|
echo '[main]' > /run/NetworkManager/conf.d/10-dracut-dhclient.conf |
|
echo 'dhcp=dhclient' >> /run/NetworkManager/conf.d/10-dracut-dhclient.conf |
|
fi |
|
|
|
chmod +x /sbin/dhcp-multi.sh |
|
/sbin/dhcp-multi.sh "$netif" "$DO_VLAN" "$@" & |
|
return 0 |
|
} |
|
|
|
# Run dhclient |
|
do_dhcp() { |
|
# dhclient-script will mark the netif up and generate the online |
|
# event for nfsroot |
|
# XXX add -V vendor class and option parsing per kernel |
|
|
|
local _COUNT |
|
local _timeout |
|
local _DHCPRETRY |
|
|
|
_COUNT=0 |
|
_timeout=$(getarg rd.net.timeout.dhcp=) |
|
_DHCPRETRY=$(getargnum 1 1 1000000000 rd.net.dhcp.retry=) |
|
|
|
[ -e "/tmp/dhclient.${netif}.pid" ] && return 0 |
|
|
|
if ! iface_has_carrier "$netif"; then |
|
warn "No carrier detected on interface $netif" |
|
return 1 |
|
fi |
|
|
|
if [ ! -e /run/NetworkManager/conf.d/10-dracut-dhclient.conf ]; then |
|
mkdir -p /run/NetworkManager/conf.d |
|
echo '[main]' > /run/NetworkManager/conf.d/10-dracut-dhclient.conf |
|
echo 'dhcp=dhclient' >> /run/NetworkManager/conf.d/10-dracut-dhclient.conf |
|
fi |
|
|
|
while [ "$_COUNT" -lt "$_DHCPRETRY" ]; do |
|
info "Starting dhcp for interface $netif" |
|
dhclient "$@" \ |
|
${_timeout:+--timeout "$_timeout"} \ |
|
-q \ |
|
-1 \ |
|
-cf /etc/dhclient.conf \ |
|
-pf "/tmp/dhclient.${netif}.pid" \ |
|
-lf "/tmp/dhclient.${netif}.lease" \ |
|
"$netif" \ |
|
&& return 0 |
|
_COUNT=$((_COUNT + 1)) |
|
[ "$_COUNT" -lt "$_DHCPRETRY" ] && sleep 1 |
|
done |
|
warn "dhcp for interface $netif failed" |
|
# nuke those files since we failed; we might retry dhcp again if it's e.g. |
|
# `ip=dhcp,dhcp6` and we check for the PID file at the top |
|
rm -f /tmp/dhclient."$netif".pid /tmp/dhclient."$netif".lease |
|
return 1 |
|
} |
|
|
|
load_ipv6() { |
|
[ -d /proc/sys/net/ipv6 ] && return |
|
modprobe ipv6 |
|
i=0 |
|
while [ ! -d /proc/sys/net/ipv6 ]; do |
|
i=$((i + 1)) |
|
[ $i -gt 10 ] && break |
|
sleep 0.1 |
|
done |
|
} |
|
|
|
do_ipv6auto() { |
|
local ret |
|
load_ipv6 |
|
echo 0 > /proc/sys/net/ipv6/conf/"${netif}"/forwarding |
|
echo 1 > /proc/sys/net/ipv6/conf/"${netif}"/accept_ra |
|
echo 1 > /proc/sys/net/ipv6/conf/"${netif}"/accept_redirects |
|
linkup "$netif" |
|
wait_for_ipv6_auto "$netif" |
|
ret=$? |
|
|
|
[ -n "$hostname" ] && echo "echo $hostname > /proc/sys/kernel/hostname" > "/tmp/net.${netif}.hostname" |
|
|
|
return "$ret" |
|
} |
|
|
|
do_ipv6link() { |
|
local ret |
|
load_ipv6 |
|
echo 0 > /proc/sys/net/ipv6/conf/"${netif}"/forwarding |
|
echo 0 > /proc/sys/net/ipv6/conf/"${netif}"/accept_ra |
|
echo 0 > /proc/sys/net/ipv6/conf/"${netif}"/accept_redirects |
|
linkup "$netif" |
|
|
|
[ -n "$hostname" ] && echo "echo $hostname > /proc/sys/kernel/hostname" > "/tmp/net.${netif}.hostname" |
|
|
|
return "$ret" |
|
} |
|
|
|
# Handle static ip configuration |
|
do_static() { |
|
strglobin "$ip" '*:*:*' && load_ipv6 |
|
|
|
if ! iface_has_carrier "$netif"; then |
|
warn "No carrier detected on interface $netif" |
|
return 1 |
|
elif ! linkup "$netif"; then |
|
warn "Could not bring interface $netif up!" |
|
return 1 |
|
fi |
|
|
|
ip route get "$ip" 2> /dev/null | { |
|
read -r a rest |
|
if [ "$a" = "local" ]; then |
|
warn "Not assigning $ip to interface $netif, cause it is already assigned!" |
|
return 1 |
|
fi |
|
return 0 |
|
} || return 1 |
|
|
|
[ -n "$macaddr" ] && ip link set address "$macaddr" dev "$netif" |
|
[ -n "$mtu" ] && ip link set mtu "$mtu" dev "$netif" |
|
if strglobin "$ip" '*:*:*'; then |
|
# note no ip addr flush for ipv6 |
|
ip addr add "$ip/$mask" ${srv:+peer "$srv"} dev "$netif" |
|
echo 0 > /proc/sys/net/ipv6/conf/"${netif}"/forwarding |
|
echo 1 > /proc/sys/net/ipv6/conf/"${netif}"/accept_ra |
|
echo 1 > /proc/sys/net/ipv6/conf/"${netif}"/accept_redirects |
|
wait_for_ipv6_dad "$netif" |
|
else |
|
if [ -z "$srv" ]; then |
|
if command -v arping2 > /dev/null; then |
|
if arping2 -q -C 1 -c 2 -I "$netif" -0 "$ip"; then |
|
warn "Duplicate address detected for $ip for interface $netif." |
|
return 1 |
|
fi |
|
else |
|
if ! arping -f -q -D -c 2 -I "$netif" "$ip"; then |
|
warn "Duplicate address detected for $ip for interface $netif." |
|
return 1 |
|
fi |
|
fi |
|
fi |
|
ip addr flush dev "$netif" |
|
ip addr add "$ip/$mask" ${srv:+peer "$srv"} brd + dev "$netif" |
|
fi |
|
|
|
[ -n "$gw" ] && echo "ip route replace default via '$gw' dev '$netif'" > "/tmp/net.$netif.gw" |
|
[ -n "$hostname" ] && echo "echo '$hostname' > /proc/sys/kernel/hostname" > "/tmp/net.$netif.hostname" |
|
|
|
return 0 |
|
} |
|
|
|
get_vid() { |
|
case "$1" in |
|
vlan*) |
|
echo "${1#vlan}" |
|
;; |
|
*.*) |
|
echo "${1##*.}" |
|
;; |
|
esac |
|
} |
|
|
|
# check, if we need VLAN's for this interface |
|
if [ -z "$DO_VLAN_PHY" ] && [ -e "/tmp/vlan.${netif}.phy" ]; then |
|
unset DO_VLAN |
|
NO_AUTO_DHCP=yes DO_VLAN_PHY=yes ifup "$netif" |
|
modprobe -b -q 8021q |
|
|
|
for i in /tmp/vlan.*."${netif}"; do |
|
[ -e "$i" ] || continue |
|
unset vlanname |
|
unset phydevice |
|
# shellcheck disable=SC1090 |
|
. "$i" |
|
if [ -n "$vlanname" ]; then |
|
linkup "$phydevice" |
|
ip link add dev "$vlanname" link "$phydevice" type vlan id "$(get_vid "$vlanname")" |
|
ifup "$vlanname" |
|
fi |
|
done |
|
exit 0 |
|
fi |
|
|
|
# Check, if interface is VLAN interface |
|
if ! [ -e "/tmp/vlan.${netif}.phy" ]; then |
|
for i in "/tmp/vlan.${netif}".*; do |
|
[ -e "$i" ] || continue |
|
export DO_VLAN=yes |
|
break |
|
done |
|
fi |
|
|
|
# bridge this interface? |
|
if [ -z "$NO_BRIDGE_MASTER" ]; then |
|
for i in /tmp/bridge.*.info; do |
|
[ -e "$i" ] || continue |
|
unset bridgeslaves |
|
unset bridgename |
|
# shellcheck disable=SC1090 |
|
. "$i" |
|
for ethname in $bridgeslaves; do |
|
[ "$netif" != "$ethname" ] && continue |
|
|
|
NO_BRIDGE_MASTER=yes NO_AUTO_DHCP=yes ifup "$ethname" |
|
linkup "$ethname" |
|
if [ ! -e "/tmp/bridge.$bridgename.up" ]; then |
|
ip link add name "$bridgename" type bridge |
|
echo 0 > "/sys/devices/virtual/net/$bridgename/bridge/forward_delay" |
|
: > "/tmp/bridge.$bridgename.up" |
|
fi |
|
ip link set dev "$ethname" master "$bridgename" |
|
ifup "$bridgename" |
|
exit 0 |
|
done |
|
done |
|
fi |
|
|
|
# enslave this interface to bond? |
|
if [ -z "$NO_BOND_MASTER" ]; then |
|
for i in /tmp/bond.*.info; do |
|
[ -e "$i" ] || continue |
|
unset bondslaves |
|
unset bondname |
|
# shellcheck disable=SC1090 |
|
. "$i" |
|
for testslave in $bondslaves; do |
|
[ "$netif" != "$testslave" ] && continue |
|
|
|
# already setup |
|
[ -e "/tmp/bond.$bondname.up" ] && exit 0 |
|
|
|
# wait for all slaves to show up |
|
for slave in $bondslaves; do |
|
# try to create the slave (maybe vlan or bridge) |
|
NO_BOND_MASTER=yes NO_AUTO_DHCP=yes ifup "$slave" |
|
|
|
if ! ip link show dev "$slave" > /dev/null 2>&1; then |
|
# wait for the last slave to show up |
|
exit 0 |
|
fi |
|
done |
|
|
|
modprobe -q -b bonding |
|
echo "+$bondname" > /sys/class/net/bonding_masters 2> /dev/null |
|
ip link set "$bondname" down |
|
|
|
# Stolen from ifup-eth |
|
# add the bits to setup driver parameters here |
|
for arg in $bondoptions; do |
|
key=${arg%%=*} |
|
value=${arg##*=} |
|
# %{value:0:1} is replaced with non-bash specific construct |
|
if [ "${key}" = "arp_ip_target" -a "${#value}" != "0" -a "+${value%%+*}" != "+" ]; then |
|
OLDIFS=$IFS |
|
IFS=',' |
|
for arp_ip in $value; do |
|
echo "+$arp_ip" > "/sys/class/net/${bondname}/bonding/$key" |
|
done |
|
IFS=$OLDIFS |
|
else |
|
echo "$value" > "/sys/class/net/${bondname}/bonding/$key" |
|
fi |
|
done |
|
|
|
linkup "$bondname" |
|
|
|
for slave in $bondslaves; do |
|
cat "/sys/class/net/$slave/address" > "/tmp/net.${bondname}.${slave}.hwaddr" |
|
ip link set "$slave" down |
|
echo "+$slave" > "/sys/class/net/$bondname/bonding/slaves" |
|
linkup "$slave" |
|
done |
|
|
|
# Set mtu on bond master |
|
[ -n "$bondmtu" ] && ip link set mtu "$bondmtu" dev "$bondname" |
|
|
|
# add the bits to setup the needed post enslavement parameters |
|
for arg in $bondoptions; do |
|
key=${arg%%=*} |
|
value=${arg##*=} |
|
if [ "${key}" = "primary" ]; then |
|
echo "$value" > "/sys/class/net/${bondname}/bonding/$key" |
|
fi |
|
done |
|
|
|
: > "/tmp/bond.$bondname.up" |
|
|
|
NO_BOND_MASTER=yes ifup "$bondname" |
|
exit $? |
|
done |
|
done |
|
fi |
|
|
|
if [ -z "$NO_TEAM_MASTER" ]; then |
|
for i in /tmp/team.*.info; do |
|
[ -e "$i" ] || continue |
|
unset teammaster |
|
unset teamslaves |
|
# shellcheck disable=SC1090 |
|
. "$i" |
|
for testslave in $teamslaves; do |
|
[ "$netif" != "$testslave" ] && continue |
|
|
|
[ -e "/tmp/team.$teammaster.up" ] && exit 0 |
|
|
|
# wait for all slaves to show up |
|
for slave in $teamslaves; do |
|
# try to create the slave (maybe vlan or bridge) |
|
NO_TEAM_MASTER=yes NO_AUTO_DHCP=yes ifup "$slave" |
|
|
|
if ! ip link show dev "$slave" > /dev/null 2>&1; then |
|
# wait for the last slave to show up |
|
exit 0 |
|
fi |
|
done |
|
|
|
if [ ! -e "/tmp/team.$teammaster.up" ]; then |
|
# We shall only bring up those _can_ come up |
|
# in case of some slave is gone in active-backup mode |
|
working_slaves="" |
|
for slave in $teamslaves; do |
|
teamdctl "${teammaster}" port present "${slave}" 2> /dev/null \ |
|
&& continue |
|
ip link set dev "$slave" up 2> /dev/null |
|
if wait_for_if_up "$slave"; then |
|
working_slaves="$working_slaves$slave " |
|
fi |
|
done |
|
# Do not add slaves now |
|
teamd -d -U -n -N -t "$teammaster" -f "/etc/teamd/${teammaster}.conf" |
|
for slave in $working_slaves; do |
|
# team requires the slaves to be down before joining team |
|
ip link set dev "$slave" down |
|
( |
|
unset TEAM_PORT_CONFIG |
|
_hwaddr=$(cat "/sys/class/net/$slave/address") |
|
_subchannels=$(iface_get_subchannels "$slave") |
|
if [ -n "$_hwaddr" ] && [ -e "/etc/sysconfig/network-scripts/mac-${_hwaddr}.conf" ]; then |
|
# shellcheck disable=SC1090 |
|
. "/etc/sysconfig/network-scripts/mac-${_hwaddr}.conf" |
|
elif [ -n "$_subchannels" ] && [ -e "/etc/sysconfig/network-scripts/ccw-${_subchannels}.conf" ]; then |
|
# shellcheck disable=SC1090 |
|
. "/etc/sysconfig/network-scripts/ccw-${_subchannels}.conf" |
|
elif [ -e "/etc/sysconfig/network-scripts/ifcfg-${slave}" ]; then |
|
# shellcheck disable=SC1090 |
|
. "/etc/sysconfig/network-scripts/ifcfg-${slave}" |
|
fi |
|
|
|
if [ -n "${TEAM_PORT_CONFIG}" ]; then |
|
/usr/bin/teamdctl "${teammaster}" port config update "${slave}" "${TEAM_PORT_CONFIG}" |
|
fi |
|
) |
|
teamdctl "$teammaster" port add "$slave" |
|
done |
|
|
|
ip link set dev "$teammaster" up |
|
|
|
: > "/tmp/team.$teammaster.up" |
|
NO_TEAM_MASTER=yes ifup "$teammaster" |
|
exit $? |
|
fi |
|
done |
|
done |
|
fi |
|
|
|
# all synthetic interfaces done.. now check if the interface is available |
|
if ! ip link show dev "$netif" > /dev/null 2>&1; then |
|
exit 1 |
|
fi |
|
|
|
# disable manual ifup while netroot is set for simplifying our logic |
|
# in netroot case we prefer netroot to bringup $netif automaticlly |
|
[ -n "$2" -a "$2" = "-m" ] && [ -z "$netroot" ] && manualup="$2" |
|
|
|
if [ -n "$manualup" ]; then |
|
: > "/tmp/net.$netif.manualup" |
|
rm -f "/tmp/net.${netif}.did-setup" |
|
else |
|
[ -e "/tmp/net.${netif}.did-setup" ] && exit 0 |
|
[ -z "$DO_VLAN" ] \ |
|
&& [ -e "/sys/class/net/$netif/address" ] \ |
|
&& [ -e "/tmp/net.$(cat "/sys/class/net/$netif/address").did-setup" ] && exit 0 |
|
fi |
|
|
|
# Specific configuration, spin through the kernel command line |
|
# looking for ip= lines |
|
for p in $(getargs ip=); do |
|
ip_to_var "$p" |
|
# skip ibft |
|
[ "$autoconf" = "ibft" ] && continue |
|
|
|
case "$dev" in |
|
??:??:??:??:??:??) # MAC address |
|
_dev=$(iface_for_mac "$dev") |
|
[ -n "$_dev" ] && dev="$_dev" |
|
;; |
|
??-??-??-??-??-??) # MAC address in BOOTIF form |
|
_dev=$(iface_for_mac "$(fix_bootif "$dev")") |
|
[ -n "$_dev" ] && dev="$_dev" |
|
;; |
|
esac |
|
|
|
# If this option isn't directed at our interface, skip it |
|
if [ -n "$dev" ]; then |
|
[ "$dev" != "$netif" ] && continue |
|
else |
|
iface_is_enslaved "$netif" && continue |
|
fi |
|
|
|
# Store config for later use |
|
for i in ip srv gw mask hostname macaddr mtu dns1 dns2; do |
|
eval '[ "$'$i'" ] && echo '$i'="$'$i'"' |
|
done > "/tmp/net.$netif.override" |
|
|
|
for autoopt in $(str_replace "$autoconf" "," " "); do |
|
case $autoopt in |
|
dhcp | on | any) |
|
do_dhcp -4 |
|
;; |
|
single-dhcp) |
|
do_dhcp_parallel -4 |
|
exit 0 |
|
;; |
|
dhcp6) |
|
load_ipv6 |
|
do_dhcp -6 |
|
;; |
|
auto6) |
|
do_ipv6auto |
|
;; |
|
either6) |
|
do_ipv6auto || do_dhcp -6 |
|
;; |
|
link6) |
|
do_ipv6link |
|
;; |
|
*) |
|
do_static |
|
;; |
|
esac |
|
done |
|
ret=$? |
|
|
|
# setup nameserver |
|
for s in "$dns1" "$dns2" $(getargs nameserver); do |
|
[ -n "$s" ] || continue |
|
echo "nameserver $s" >> "/tmp/net.$netif.resolv.conf" |
|
done |
|
|
|
if [ $ret -eq 0 ]; then |
|
: > "/tmp/net.${netif}.up" |
|
|
|
if [ -z "$DO_VLAN" ] && [ -e "/sys/class/net/${netif}/address" ]; then |
|
: > "/tmp/net.$(cat "/sys/class/net/${netif}/address").up" |
|
fi |
|
|
|
# and finally, finish interface set up if there isn't already a script |
|
# to do so (which is the case in the dhcp path) |
|
if [ ! -e "$hookdir/initqueue/setup_net_$netif.sh" ]; then |
|
setup_net "$netif" |
|
source_hook initqueue/online "$netif" |
|
if [ -z "$manualup" ]; then |
|
/sbin/netroot "$netif" |
|
fi |
|
fi |
|
|
|
if command -v wicked > /dev/null && [ -z "$manualup" ]; then |
|
/sbin/netroot "$netif" |
|
fi |
|
|
|
exit $ret |
|
fi |
|
done |
|
|
|
# no ip option directed at our interface? |
|
if [ -z "$NO_AUTO_DHCP" ] && [ ! -e "/tmp/net.${netif}.up" ]; then |
|
ret=1 |
|
if [ -e /tmp/net.bootdev ]; then |
|
BOOTDEV=$(cat /tmp/net.bootdev) |
|
if [ "$netif" = "$BOOTDEV" ] || [ "$BOOTDEV" = "$(cat "/sys/class/net/${netif}/address")" ]; then |
|
do_dhcp |
|
ret=$? |
|
fi |
|
else |
|
# No ip lines, no bootdev -> default to dhcp |
|
ip=$(getarg ip) |
|
|
|
if getargs 'ip=dhcp6' > /dev/null || [ -z "$ip" -a "$netroot" = "dhcp6" ]; then |
|
load_ipv6 |
|
do_dhcp -6 |
|
ret=$? |
|
fi |
|
if getargs 'ip=dhcp' > /dev/null || [ -z "$ip" -a "$netroot" != "dhcp6" ]; then |
|
do_dhcp -4 |
|
ret=$? |
|
fi |
|
fi |
|
|
|
for s in $(getargs nameserver); do |
|
[ -n "$s" ] || continue |
|
echo "nameserver $s" >> "/tmp/net.$netif.resolv.conf" |
|
done |
|
|
|
if [ "$ret" -eq 0 ] && [ -n "$(ls "/tmp/leaseinfo.${netif}"* 2> /dev/null)" ]; then |
|
: > "/tmp/net.${netif}.did-setup" |
|
if [ -e "/sys/class/net/${netif}/address" ]; then |
|
: > "/tmp/net.$(cat "/sys/class/net/${netif}/address").did-setup" |
|
fi |
|
fi |
|
fi |
|
|
|
exit 0
|
|
|