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📁 ..	-	2026-03-21 15:44
📄 dhclient-script.sh #!/usr/bin/sh 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 # We already need a set netif here netif=$interface setup_interface() { ip=$new_ip_address mtu=$new_interface_mtu mask=$new_subnet_mask bcast=$new_broadcast_address gw=${new_routers%%,} domain=$new_domain_name # get rid of control chars search=$(printf -- "%s" "$new_domain_search" \| tr -d '[:cntrl:]') namesrv=$new_domain_name_servers hostname=$new_host_name [ -n "$new_dhcp_lease_time" ] && lease_time=$new_dhcp_lease_time [ -n "$new_max_life" ] && lease_time=$new_max_life preferred_lft=$lease_time [ -n "$new_preferred_life" ] && preferred_lft=$new_preferred_life # shellcheck disable=SC1090 [ -f /tmp/net."$netif".override ] && . /tmp/net."$netif".override # Taken from debian dhclient-script: # The 576 MTU is only used for X.25 and dialup connections # where the admin wants low latency. Such a low MTU can cause # problems with UDP traffic, among other things. As such, # disallow MTUs from 576 and below by default, so that broken # MTUs are ignored, but higher stuff is allowed (1492, 1500, etc). if [ -n "$mtu" ] && [ "$mtu" -gt 576 ]; then if ! ip link set "$netif" mtu "$mtu"; then ip link set "$netif" down ip link set "$netif" mtu "$mtu" linkup "$netif" fi fi ip addr add "$ip"${mask:+/$mask} ${bcast:+broadcast $bcast} dev "$netif" \ ${lease_time:+valid_lft $lease_time} \ ${preferred_lft:+preferred_lft ${preferred_lft}} if [ -n "$gw" ]; then if [ "$mask" = "255.255.255.255" ]; then # point-to-point connection => set explicit route to gateway echo ip route add "$gw" dev "$netif" > /tmp/net."$netif".gw fi echo "$gw" \| { IFS=' ' read -r main_gw other_gw echo ip route replace default via "$main_gw" dev "$netif" >> /tmp/net."$netif".gw if [ -n "$other_gw" ]; then for g in $other_gw; do echo ip route add default via "$g" dev "$netif" >> /tmp/net."$netif".gw done fi } fi if getargbool 1 rd.peerdns; then [ -n "${search}${domain}" ] && echo "search $search $domain" > /tmp/net."$netif".resolv.conf if [ -n "$namesrv" ]; then for s in $namesrv; do echo nameserver "$s" done fi >> /tmp/net."$netif".resolv.conf fi # Note: hostname can be fqdn OR short hostname, so chop off any # trailing domain name and explicity add any domain if set. [ -n "$hostname" ] && echo "echo ${hostname%.$domain}${domain:+.$domain} > /proc/sys/kernel/hostname" > /tmp/net."$netif".hostname } setup_interface6() { domain=$new_domain_name # get rid of control chars search=$(printf -- "%s" "$new_dhcp6_domain_search" \| tr -d '[:cntrl:]') namesrv=$new_dhcp6_name_servers hostname=$new_host_name [ -n "$new_dhcp_lease_time" ] && lease_time=$new_dhcp_lease_time [ -n "$new_max_life" ] && lease_time=$new_max_life preferred_lft=$lease_time [ -n "$new_preferred_life" ] && preferred_lft=$new_preferred_life # shellcheck disable=SC1090 [ -f /tmp/net."$netif".override ] && . /tmp/net."$netif".override ip -6 addr add "${new_ip6_address}"/"${new_ip6_prefixlen}" \ dev "${netif}" scope global \ ${lease_time:+valid_lft $lease_time} \ ${preferred_lft:+preferred_lft ${preferred_lft}} if getargbool 1 rd.peerdns; then [ -n "${search}${domain}" ] && echo "search $search $domain" > /tmp/net."$netif".resolv.conf if [ -n "$namesrv" ]; then for s in $namesrv; do echo nameserver "$s" done fi >> /tmp/net."$netif".resolv.conf fi # Note: hostname can be fqdn OR short hostname, so chop off any # trailing domain name and explicity add any domain if set. [ -n "$hostname" ] && echo "echo ${hostname%.$domain}${domain:+.$domain} > /proc/sys/kernel/hostname" > /tmp/net."$netif".hostname } parse_option_121() { while [ $# -ne 0 ]; do mask="$1" shift # Is the destination a multicast group? if [ "$1" -ge 224 -a "$1" -lt 240 ]; then multicast=1 else multicast=0 fi # Parse the arguments into a CIDR net/mask string if [ "$mask" -gt 24 ]; then destination="$1.$2.$3.$4/$mask" shift shift shift shift elif [ "$mask" -gt 16 ]; then destination="$1.$2.$3.0/$mask" shift shift shift elif [ "$mask" -gt 8 ]; then destination="$1.$2.0.0/$mask" shift shift elif [ "$mask" -gt 0 ]; then destination="$1.0.0.0/$mask" shift else destination="0.0.0.0/$mask" fi # Read the gateway gateway="$1.$2.$3.$4" shift shift shift shift # Multicast routing on Linux # - If you set a next-hop address for a multicast group, this breaks with Cisco switches # - If you simply leave it link-local and attach it to an interface, it works fine. if [ $multicast -eq 1 -o "$gateway" = "0.0.0.0" ]; then temp_result="$destination dev $interface" else temp_result="$destination via $gateway dev $interface" fi echo "/sbin/ip route replace $temp_result" done } case $reason in PREINIT) echo "dhcp: PREINIT $netif up" linkup "$netif" ;; PREINIT6) echo "dhcp: PREINIT6 $netif up" linkup "$netif" wait_for_ipv6_dad_link "$netif" ;; BOUND) echo "dhcp: BOUND setting up $netif" unset layer2 if [ -f /sys/class/net/"$netif"/device/layer2 ]; then read -r layer2 < /sys/class/net/"$netif"/device/layer2 fi if [ "$layer2" != "0" ]; then if command -v arping2 > /dev/null; then if arping2 -q -C 1 -c 2 -I "$netif" -0 "$new_ip_address"; then warn "Duplicate address detected for $new_ip_address while doing dhcp. retrying" exit 1 fi else if ! arping -f -q -D -c 2 -I "$netif" "$new_ip_address"; then warn "Duplicate address detected for $new_ip_address while doing dhcp. retrying" exit 1 fi fi fi unset layer2 setup_interface set \| while read -r line \|\| [ -n "$line" ]; do [ "${line#new_}" = "$line" ] && continue echo "$line" done > /tmp/dhclient."$netif".dhcpopts { echo '. /lib/net-lib.sh' echo "setup_net $netif" if [ -n "$new_classless_static_routes" ]; then OLDIFS="$IFS" IFS=".$IFS" parse_option_121 "$new_classless_static_routes" IFS="$OLDIFS" fi echo "source_hook initqueue/online $netif" [ -e /tmp/net."$netif".manualup ] \|\| echo "/sbin/netroot $netif" echo "rm -f -- $hookdir/initqueue/setup_net_$netif.sh" } > "$hookdir"/initqueue/setup_net_"$netif".sh echo "[ -f /tmp/net.$netif.did-setup ]" > "$hookdir"/initqueue/finished/dhclient-"$netif".sh : > /tmp/net."$netif".up if [ -e /sys/class/net/"${netif}"/address ]; then : > "/tmp/net.$(cat /sys/class/net/"${netif}"/address).up" fi ;; RENEW \| REBIND) unset lease_time [ -n "$new_dhcp_lease_time" ] && lease_time=$new_dhcp_lease_time [ -n "$new_max_life" ] && lease_time=$new_max_life preferred_lft=$lease_time [ -n "$new_preferred_life" ] && preferred_lft=$new_preferred_life ip -4 addr change "${new_ip_address}"/"${new_subnet_mask}" broadcast "${new_broadcast_address}" dev "${interface}" \ ${lease_time:+valid_lft $lease_time} ${preferred_lft:+preferred_lft ${preferred_lft}} \ > /dev/null 2>&1 ;; BOUND6) echo "dhcp: BOUND6 setting up $netif" setup_interface6 set \| while read -r line \|\| [ -n "$line" ]; do [ "${line#new_}" = "$line" ] && continue echo "$line" done > /tmp/dhclient."$netif".dhcpopts { echo '. /lib/net-lib.sh' echo "setup_net $netif" echo "source_hook initqueue/online $netif" [ -e /tmp/net."$netif".manualup ] \|\| echo "/sbin/netroot $netif" echo "rm -f -- $hookdir/initqueue/setup_net_$netif.sh" } > "$hookdir"/initqueue/setup_net_"$netif".sh echo "[ -f /tmp/net.$netif.did-setup ]" > "$hookdir"/initqueue/finished/dhclient-"$netif".sh : > /tmp/net."$netif".up if [ -e /sys/class/net/"${netif}"/address ]; then : > "/tmp/net.$(cat /sys/class/net/"${netif}"/address).up" fi ;; RENEW6 \| REBIND6) unset lease_time [ -n "$new_dhcp_lease_time" ] && lease_time=$new_dhcp_lease_time [ -n "$new_max_life" ] && lease_time=$new_max_life preferred_lft=$lease_time [ -n "$new_preferred_life" ] && preferred_lft=$new_preferred_life ip -6 addr change "${new_ip6_address}"/"${new_ip6_prefixlen}" dev "${interface}" scope global \ ${lease_time:+valid_lft $lease_time} ${preferred_lft:+preferred_lft ${preferred_lft}} \ > /dev/null 2>&1 ;; ) echo "dhcp: $reason" ;; esac exit 0	9.6 KB	2022-06-19 22:35
📄 dhclient.conf option classless-static-routes code 121 = array of unsigned integer 8; send dhcp-client-identifier = hardware; request subnet-mask, broadcast-address, time-offset, routers, domain-name, domain-name-servers, domain-search, host-name, root-path, interface-mtu, classless-static-routes, netbios-name-servers, netbios-scope, ntp-servers, dhcp6.domain-search, dhcp6.fqdn, dhcp6.name-servers, dhcp6.sntp-servers;	450 B	2022-06-19 22:35
📄 dhcp-multi.sh #!/usr/bin/sh # -- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -- # ex: ts=8 sw=4 sts=4 et filetype=sh # PATH=/usr/sbin:/usr/bin:/sbin:/bin # File to start dhclient requests on different interfaces in parallel . /lib/dracut-lib.sh . /lib/net-lib.sh netif=$1 do_vlan=$2 arg=$3 # Run dhclient in parallel do_dhclient() { local _COUNT=0 local _timeout local _DHCPRETRY _timeout=$(getarg rd.net.timeout.dhcp=) _DHCPRETRY=$(getargnum 1 1 1000000000 rd.net.dhcp.retry=) while [ $_COUNT -lt "$_DHCPRETRY" ]; do info "Starting dhcp for interface $netif" dhclient "$arg" \ ${_timeout:+--timeout "$_timeout"} \ -q \ -1 \ -cf /etc/dhclient.conf \ -pf /tmp/dhclient."$netif".pid \ -lf /tmp/dhclient."$netif".lease \ "$netif" & wait $! 2> /dev/null # wait will return the return value of dhclient retv=$? # dhclient and hence wait returned success, 0. if [ $retv -eq 0 ]; then return 0 fi # If dhclient exited before wait was called, or it was killed by # another thread for interface whose DHCP succeeded, then it will not # find the process with that pid and return error code 127. In that # case we need to check if /tmp/dhclient.$netif.lease exists. If it # does, it means dhclient finished executing before wait was called, # and it was successful (return 0). If /tmp/dhclient.$netif.lease # does not exist, then it means dhclient was killed by another thread # or it finished execution but failed dhcp on that interface. if [ $retv -eq 127 ]; then pid=$(cat /tmp/dhclient."$netif".pid) info "PID $pid was not found by wait for $netif" if [ -e /tmp/dhclient."$netif".lease ]; then info "PID $pid not found but DHCP successful on $netif" return 0 fi fi _COUNT=$((_COUNT + 1)) [ $_COUNT -lt "$_DHCPRETRY" ] && sleep 1 done warn "dhcp for interface $netif failed" # nuke those files since we failed; we might retry dhcp again if it's e.g. # `ip=dhcp,dhcp6` and we check for the PID file earlier rm -f /tmp/dhclient."$netif".pid /tmp/dhclient."$netif".lease return 1 } do_dhclient ret=$? # 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 # Check if DHCP also suceeded on another interface before this one. # We will always use the first one on which DHCP succeeded, by using # a commom file $IFNETFILE, to synchronize between threads. # Consider the race condition in which multiple threads # corresponding to different interfaces may try to read $IFNETFILE # and find it does not exist; they may all end up thinking they are the # first to succeed (hence more than one thread may end up writing to # $IFNETFILE). To take care of this, instead of checking if $IFNETFILE # exists to determine if we are the first, we create a symbolic link # in $IFNETFILE, pointing to the interface name ($netif), thus storing # the interface name in the link pointer. # Creating a link will fail, if the link already exists, hence kernel # will take care of allowing only first thread to create link, which # takes care of the race condition for us. Subsequent threads will fail. # Also, the link points to the interface name, which will tell us which # interface succeeded. if ln -s "$netif" "$IFNETFILE" 2> /dev/null; then intf=$(readlink "$IFNETFILE") if [ -e /tmp/dhclient."$intf".lease ]; then info "DHCP successful on interface $intf" # Kill all existing dhclient calls for other interfaces, since we # already got one successful interface npid=$(cat /tmp/dhclient."$netif".pid) pidlist=$(pgrep dhclient) for pid in $pidlist; do [ "$pid" -eq "$npid" ] && continue kill -9 "$pid" > /dev/null 2>&1 done else echo "ERROR! $IFNETFILE exists but /tmp/dhclient.$intf.lease does not exist!!!" fi else info "DHCP success on $netif, and also on $intf" exit 0 fi exit $ret fi	4.53 KB	2022-06-19 22:35
📄 ifup.sh #!/usr/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 if [ "$dev" != "$netif" ]; then [ ! -e "/sys/class/net/$dev" ] \ && warn "Network interface '$dev' does not exist!" continue fi 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/${netif}/address").did-setup" fi fi fi exit 0	17.75 KB	2022-06-19 22:35
📄 kill-dhclient.sh #!/usr/bin/sh for f in /tmp/dhclient..pid; do [ -e "$f" ] \|\| continue read -r PID < "$f" kill "$PID" > /dev/null 2>&1 done sleep 0.1 for f in /tmp/dhclient..pid; do [ -e "$f" ] \|\| continue read -r PID < "$f" kill -9 "$PID" > /dev/null 2>&1 done	274 B	2022-06-19 22:35
📄 module-setup.sh #!/usr/bin/bash # called by dracut check() { require_binaries ip dhclient sed awk grep pgrep tr expr \|\| return 1 require_any_binary arping arping2 \|\| return 1 return 255 } # called by dracut depends() { return 0 } # called by dracut installkernel() { return 0 } # called by dracut install() { local _arch #Adding default link if dracut_module_included "systemd"; then inst_multiple -o "${systemdnetwork}/99-default.link" [[ $hostonly ]] && inst_multiple -H -o "${systemdnetworkconfdir}/.link" fi inst_multiple ip dhclient sed awk grep pgrep tr expr inst_multiple -o arping arping2 strstr "$(arping 2>&1)" "ARPing 2" && mv "$initdir/bin/arping" "$initdir/bin/arping2" inst_multiple -o ping ping6 inst_multiple -o teamd teamdctl teamnl inst_simple /etc/libnl/classid inst_script "$moddir/ifup.sh" "/sbin/ifup" inst_script "$moddir/dhcp-multi.sh" "/sbin/dhcp-multi.sh" inst_script "$moddir/dhclient-script.sh" "/sbin/dhclient-script" inst_simple -H "/etc/dhclient.conf" cat "$moddir/dhclient.conf" >> "${initdir}/etc/dhclient.conf" inst_hook pre-udev 60 "$moddir/net-genrules.sh" inst_hook cmdline 92 "$moddir/parse-ibft.sh" inst_hook cmdline 95 "$moddir/parse-vlan.sh" inst_hook cmdline 96 "$moddir/parse-bond.sh" inst_hook cmdline 96 "$moddir/parse-team.sh" inst_hook cmdline 97 "$moddir/parse-bridge.sh" inst_hook cmdline 98 "$moddir/parse-ip-opts.sh" inst_hook cmdline 99 "$moddir/parse-ifname.sh" inst_hook cleanup 10 "$moddir/kill-dhclient.sh" # install all config files for teaming unset TEAM_MASTER unset TEAM_CONFIG unset TEAM_PORT_CONFIG unset HWADDR unset SUBCHANNELS for i in /etc/sysconfig/network-scripts/ifcfg-; do [ -e "$i" ] \|\| continue case "$i" in ~ \| .bak \| .orig \| .rpmnew \| .rpmorig \| .rpmsave) continue ;; esac ( # shellcheck disable=SC1090 . "$i" if ! [ "${ONBOOT}" = "no" -o "${ONBOOT}" = "NO" ] \ && [ -n "${TEAM_MASTER}${TEAM_CONFIG}${TEAM_PORT_CONFIG}" ]; then if [ -n "$TEAM_CONFIG" ] && [ -n "$DEVICE" ]; then mkdir -p "$initdir"/etc/teamd printf -- "%s" "$TEAM_CONFIG" > "$initdir/etc/teamd/${DEVICE}.conf" elif [ -n "$TEAM_PORT_CONFIG" ]; then inst_simple "$i" HWADDR="$(echo "$HWADDR" \| sed 'y/ABCDEF/abcdef/')" if [ -n "$HWADDR" ]; then ln_r "$i" "/etc/sysconfig/network-scripts/mac-${HWADDR}.conf" fi SUBCHANNELS="$(echo "$SUBCHANNELS" \| sed 'y/ABCDEF/abcdef/')" if [ -n "$SUBCHANNELS" ]; then ln_r "$i" "/etc/sysconfig/network-scripts/ccw-${SUBCHANNELS}.conf" fi fi fi ) done _arch=${DRACUT_ARCH:-$(uname -m)} inst_libdir_file {"tls/$_arch/",tls/,"$_arch/",}"libnss_dns.so." \ {"tls/$_arch/",tls/,"$_arch/",}"libnss_mdns4_minimal.so." dracut_need_initqueue }	3.15 KB	2025-12-17 17:48
📄 net-genrules.sh #!/usr/bin/sh getargbool 0 rd.neednet && NEEDNET=1 # Don't continue if we don't need network if [ -z "$netroot" ] && [ ! -e "/tmp/net.ifaces" ] && [ "$NEEDNET" != "1" ]; then return fi command -v fix_bootif > /dev/null \|\| . /lib/net-lib.sh # Write udev rules { # bridge: attempt only the defined interface for i in /tmp/bridge..info; do [ -e "$i" ] \|\| continue unset bridgeslaves unset bridgename # shellcheck disable=SC1090 . "$i" RAW_IFACES="$RAW_IFACES $bridgeslaves" MASTER_IFACES="$MASTER_IFACES $bridgename" done # bond: attempt only the defined interface (override bridge defines) for i in /tmp/bond..info; do [ -e "$i" ] \|\| continue unset bondslaves unset bondname # shellcheck disable=SC1090 . "$i" # It is enough to fire up only one RAW_IFACES="$RAW_IFACES $bondslaves" MASTER_IFACES="$MASTER_IFACES ${bondname}" done for i in /tmp/team..info; do [ -e "$i" ] \|\| continue unset teamslaves unset teammaster # shellcheck disable=SC1090 . "$i" RAW_IFACES="$RAW_IFACES ${teamslaves}" MASTER_IFACES="$MASTER_IFACES ${teammaster}" done for i in /tmp/vlan..phy; do [ -e "$i" ] \|\| continue unset phydevice # shellcheck disable=SC1090 . "$i" RAW_IFACES="$RAW_IFACES $phydevice" for j in /tmp/vlan.".${phydevice}"; do [ -e "$j" ] \|\| continue unset vlanname # shellcheck disable=SC1090 . "$j" MASTER_IFACES="$MASTER_IFACES ${vlanname}" done done MASTER_IFACES="$(trim "$MASTER_IFACES")" RAW_IFACES="$(trim "$RAW_IFACES")" if [ -z "$IFACES" ]; then [ -e /tmp/net.ifaces ] && read -r IFACES < /tmp/net.ifaces fi if [ -e /tmp/net.bootdev ]; then bootdev=$(cat /tmp/net.bootdev) fi # shellcheck disable=SC2016 ifup='/sbin/ifup $name' runcmd="RUN+=\"/sbin/initqueue --name ifup-\$name --unique --onetime $ifup\"" # We have some specific interfaces to handle if [ -n "${RAW_IFACES}${IFACES}" ]; then echo 'SUBSYSTEM!="net", GOTO="net_end"' echo 'ACTION!="add\|change\|move", GOTO="net_end"' for iface in $IFACES $RAW_IFACES; do case "$iface" in ??:??:??:??:??:??) # MAC address cond="ATTR{address}==\"$iface\"" echo "$cond, $runcmd, GOTO=\"net_end\"" ;; ??-??-??-??-??-??) # MAC address in BOOTIF form cond="ATTR{address}==\"$(fix_bootif "$iface")\"" echo "$cond, $runcmd, GOTO=\"net_end\"" ;; ) # an interface name cond="ENV{INTERFACE}==\"$iface\"" echo "$cond, $runcmd, GOTO=\"net_end\"" cond="NAME==\"$iface\"" echo "$cond, $runcmd, GOTO=\"net_end\"" ;; esac # The GOTO prevents us from trying to ifup the same device twice done echo 'LABEL="net_end"' for iface in $IFACES; do if [ "$bootdev" = "$iface" ] \|\| [ "$NEEDNET" = "1" ]; then if [ -n "$netroot" ] && [ -n "$DRACUT_SYSTEMD" ]; then echo "systemctl is-active initrd-root-device.target \|\| [ -f /tmp/net.${iface}.did-setup ]" else echo "[ -f /tmp/net.${iface}.did-setup ]" fi > "$hookdir"/initqueue/finished/wait-"$iface".sh fi done # Default: We don't know the interface to use, handle all # Fixme: waiting for the interface as well. else cond='ACTION=="add", SUBSYSTEM=="net", ENV{DEVTYPE}!="wlan\|wwan"' # if you change the name of "91-default-net.rules", also change modules.d/80cms/cmssetup.sh echo "$cond, $runcmd" > /etc/udev/rules.d/91-default-net.rules if [ "$NEEDNET" = "1" ]; then # shellcheck disable=SC2016 echo 'for i in /tmp/net.*.did-setup; do [ -f "$i" ] && exit 0; done; exit 1' > "$hookdir"/initqueue/finished/wait-network.sh fi fi # if you change the name of "90-net.rules", also change modules.d/80cms/cmssetup.sh } > /etc/udev/rules.d/90-net.rules	4.29 KB	2022-06-19 22:35
📄 parse-bond.sh #!/usr/bin/sh # # Format: # bond=<bondname>[:<bondslaves>[:<options>[:<mtu>]]] # # bondslaves is a comma-separated list of physical (ethernet) interfaces # options is a comma-separated list on bonding options (modinfo bonding for details) in format compatible with initscripts # if options include multi-valued arp_ip_target option, then its values should be separated by semicolon. # # bond without parameters assumes bond=bond0:eth0,eth1:mode=balance-rr # # if the mtu is specified, it will be set on the bond master # # We translate list of slaves to space-separated here to make it easier to loop over them in ifup # Ditto for bonding options parsebond() { local v=${1}: set -- while [ -n "$v" ]; do set -- "$@" "${v%%:}" v=${v#:} done case $# in 0) bondname=bond0 bondslaves="eth0 eth1" ;; 1) bondname=$1 bondslaves="eth0 eth1" ;; 2) bondname=$1 bondslaves=$(str_replace "$2" "," " ") ;; 3) bondname=$1 bondslaves=$(str_replace "$2" "," " ") bondoptions=$(str_replace "$3" "," " ") ;; 4) bondname=$1 bondslaves=$(str_replace "$2" "," " ") bondoptions=$(str_replace "$3" "," " ") bondmtu=$4 ;; *) die "bond= requires zero to four parameters" ;; esac } # Parse bond for bondname, bondslaves, bondmode, bondoptions and bondmtu for bond in $(getargs bond=); do unset bondname unset bondslaves unset bondoptions unset bondmtu if [ "$bond" != "bond" ]; then parsebond "$bond" fi # Simple default bond if [ -z "$bondname" ]; then bondname=bond0 bondslaves="eth0 eth1" fi # Make it suitable for initscripts export bondoptions=$(str_replace "$bondoptions" ";" ",") { echo "bondname=$bondname" echo "bondslaves=\"$bondslaves\"" echo "bondoptions=\"$bondoptions\"" echo "bondmtu=\"$bondmtu\"" } > "/tmp/bond.${bondname}.info" done	2.13 KB	2022-06-19 22:35
📄 parse-bridge.sh #!/usr/bin/sh # # Format: # bridge=<bridgename>:<bridgeslaves> # # <bridgeslaves> is a comma-separated list of physical (ethernet) interfaces # bridge without parameters assumes bridge=br0:eth0 # parsebridge() { local v=${1}: set -- while [ -n "$v" ]; do set -- "$@" "${v%%:}" v=${v#:} done case $# in 0) bridgename=br0 bridgeslaves=$iface ;; 1) die "bridge= requires two parameters" ;; 2) bridgename=$1 bridgeslaves=$(str_replace "$2" "," " ") ;; *) die "bridge= requires two parameters" ;; esac } # Parse bridge for bridgename and bridgeslaves for bridge in $(getargs bridge=); do unset bridgename unset bridgeslaves iface=eth0 # Read bridge= parameters if they exist if [ "$bridge" != "bridge" ]; then parsebridge "$bridge" fi # Simple default bridge if [ -z "$bridgename" ]; then bridgename=br0 bridgeslaves=$iface fi { echo "bridgename=$bridgename" echo "bridgeslaves=\"$bridgeslaves\"" } > /tmp/bridge.${bridgename}.info done	1.15 KB	2022-06-19 22:35
📄 parse-ibft.sh #!/usr/bin/sh command -v getarg > /dev/null \|\| . /lib/dracut-lib.sh command -v ibft_to_cmdline > /dev/null \|\| . /lib/net-lib.sh if getargbool 0 rd.iscsi.ibft -d "ip=ibft"; then modprobe -b -q iscsi_boot_sysfs 2> /dev/null modprobe -b -q iscsi_ibft ibft_to_cmdline fi	281 B	2022-06-19 22:35
📄 parse-ifname.sh #!/usr/bin/sh # # Format: # ifname=<interface>:<mac> # # Note letters in the macaddress must be lowercase! # # Examples: # ifname=eth0:4a:3f:4c:04:f8:d7 # # Note when using ifname= to get persistent interface names, you must specify # an ifname= argument for each interface used in an ip= or fcoe= argument # check if there are any ifname parameters if ! getarg ifname= > /dev/null; then return fi command -v parse_ifname_opts > /dev/null \|\| . /lib/net-lib.sh # Check ifname= lines for p in $(getargs ifname=); do parse_ifname_opts "$p" done	559 B	2022-06-19 22:35
📄 parse-ip-opts.sh #!/usr/bin/sh # # Format: # ip=[dhcp\|on\|any\|single-dhcp] # # ip=<interface>:[dhcp\|on\|any][:[<mtu>][:<macaddr>]] # # ip=<client-IP-number>:<server-IP-number>:<gateway-IP-number>:<netmask>:<client-hostname>:<interface>:{dhcp\|on\|any\|none\|off}[:[<mtu>][:<macaddr>]] # # When supplying more than only ip= line, <interface> is mandatory and # bootdev= must contain the name of the primary interface to use for # routing,dns,dhcp-options,etc. # command -v getarg > /dev/null \|\| . /lib/dracut-lib.sh if [ -n "$netroot" ] && [ -z "$(getarg ip=)" ] && [ -z "$(getarg BOOTIF=)" ]; then # No ip= argument(s) for netroot provided, defaulting to DHCP return fi # Count ip= lines to decide whether we need bootdev= or not if [ -z "$NEEDBOOTDEV" ]; then count=0 for p in $(getargs ip=); do case "$p" in ibft) continue ;; esac count=$((count + 1)) done [ $count -gt 1 ] && NEEDBOOTDEV=1 fi unset count # If needed, check if bootdev= contains anything usable BOOTDEV=$(getarg bootdev=) if [ -n "$NEEDBOOTDEV" ] && getargbool 1 rd.neednet; then #[ -z "$BOOTDEV" ] && warn "Please supply bootdev argument for multiple ip= lines" echo "rd.neednet=1" > /etc/cmdline.d/dracut-neednet.conf info "Multiple ip= arguments: assuming rd.neednet=1" else unset NEEDBOOTDEV fi # Check ip= lines # XXX Would be nice if we could errorcheck ip addresses here as well for p in $(getargs ip=); do ip_to_var "$p" # make first device specified the BOOTDEV if [ -n "$NEEDBOOTDEV" ] && [ -z "$BOOTDEV" ] && [ -n "$dev" ]; then BOOTDEV="$dev" info "Setting bootdev to '$BOOTDEV'" fi # skip ibft since we did it above [ "$autoconf" = "ibft" ] && continue # Empty autoconf defaults to 'dhcp' if [ -z "$autoconf" ]; then warn "Empty autoconf values default to dhcp" autoconf="dhcp" fi # Error checking for autoconf in combination with other values for autoopt in $(str_replace "$autoconf" "," " "); do case $autoopt in error) die "Error parsing option 'ip=$p'" ;; bootp \| rarp \| both) die "Sorry, ip=$autoopt is currenty unsupported" ;; none \| off) [ -z "$ip" ] \ && die "For argument 'ip=$p'\nValue '$autoopt' without static configuration does not make sense" [ -z "$mask" ] \ && die "Sorry, automatic calculation of netmask is not yet supported" ;; auto6 \| link6) ;; either6) ;; dhcp \| dhcp6 \| on \| any \| single-dhcp) [ -n "$NEEDBOOTDEV" ] && [ -z "$dev" ] \ && die "Sorry, 'ip=$p' does not make sense for multiple interface configurations" [ -n "$ip" ] \ && die "For argument 'ip=$p'\nSorry, setting client-ip does not make sense for '$autoopt'" ;; ) die "For argument 'ip=$p'\nSorry, unknown value '$autoopt'" ;; esac done if [ -n "$dev" ]; then # We don't like duplicate device configs if [ -n "$IFACES" ]; then for i in $IFACES; do [ "$dev" = "$i" ] && die "For argument 'ip=$p'\nDuplication configurations for '$dev'" done fi # IFACES list for later use IFACES="$IFACES $dev" # Interface should exist if [ ! -e "/sys/class/net/$dev" ]; then warn "Network interface '$dev' does not exist" fi fi # Do we need to check for specific options? if [ -n "$NEEDDHCP" ] \|\| [ -n "$DHCPORSERVER" ]; then # Correct device? (Empty is ok as well) [ "$dev" = "$BOOTDEV" ] \|\| continue # Server-ip is there? [ -n "$DHCPORSERVER" ] && [ -n "$srv" ] && continue # dhcp? (It's simpler to check for a set ip. Checks above ensure that if # ip is there, we're static [ -z "$ip" ] && continue # Not good! die "Server-ip or dhcp for netboot needed, but current arguments say otherwise" fi if str_starts "$dev" "enx" && [ ${#dev} -eq 15 ]; then # shellcheck disable=SC2003 printf -- "ifname=%s:%s:%s:%s:%s:%s:%s\n" \ "$dev" \ "$(expr substr "$dev" 3 2)" \ "$(expr substr "$dev" 5 2)" \ "$(expr substr "$dev" 7 2)" \ "$(expr substr "$dev" 9 2)" \ "$(expr substr "$dev" 11 2)" \ "$(expr substr "$dev" 13 2)" \ >> /etc/cmdline.d/80-enx.conf fi done # put BOOTIF in IFACES to make sure it comes up if getargbool 1 "rd.bootif" && BOOTIF="$(getarg BOOTIF=)"; then BOOTDEV=$(fix_bootif "$BOOTIF") IFACES="$BOOTDEV $IFACES" fi # This ensures that BOOTDEV is always first in IFACES if [ -n "$BOOTDEV" ] && [ -n "$IFACES" ]; then IFACES="${IFACES%$BOOTDEV} ${IFACES#*$BOOTDEV}" IFACES="$BOOTDEV $IFACES" fi # Store BOOTDEV and IFACES for later use [ -n "$BOOTDEV" ] && echo "$BOOTDEV" > /tmp/net.bootdev [ -n "$IFACES" ] && echo "$IFACES" > /tmp/net.ifaces	5.01 KB	2022-06-19 22:35
📄 parse-team.sh #!/usr/bin/sh # # Format: # team=<teammaster>:<teamslaves>[:<teamrunner>] # # teamslaves is a comma-separated list of physical (ethernet) interfaces # teamrunner is the runner type to be used (see teamd.conf(5)); defaults to activebackup # # team without parameters assumes team=team0:eth0,eth1:activebackup # parseteam() { local v=${1}: set -- while [ -n "$v" ]; do set -- "$@" "${v%%:}" v=${v#:} done case $# in 0) teammaster=team0 teamslaves="eth0 eth1" teamrunner="activebackup" ;; 1) teammaster=$1 teamslaves="eth0 eth1" teamrunner="activebackup" ;; 2) teammaster=$1 teamslaves=$(str_replace "$2" "," " ") teamrunner="activebackup" ;; 3) teammaster=$1 teamslaves=$(str_replace "$2" "," " ") teamrunner=$3 ;; *) die "team= requires zero to three parameters" ;; esac return 0 } for team in $(getargs team); do [ "$team" = "team" ] && continue unset teammaster unset teamslaves unset teamrunner parseteam "$team" \|\| continue { echo "teammaster=$teammaster" echo "teamslaves=\"$teamslaves\"" echo "teamrunner=\"$teamrunner\"" } > /tmp/team."${teammaster}".info if ! [ -e /etc/teamd/"${teammaster}".conf ]; then warn "Team master $teammaster specified, but no /etc/teamd/$teammaster.conf present. Using $teamrunner." mkdir -p /etc/teamd printf -- "%s" "{\"runner\": {\"name\": \"$teamrunner\"}, \"link_watch\": {\"name\": \"ethtool\"}}" > "/tmp/${teammaster}.conf" fi done	1.72 KB	2022-06-19 22:35
📄 parse-vlan.sh #!/usr/bin/sh # # Format: # vlan=<vlanname>:<phydevice> # parsevlan() { local v=${1}: set -- while [ -n "$v" ]; do set -- "$@" "${v%%:}" v=${v#:} done unset vlanname phydevice case $# in 2) vlanname=$1 phydevice=$2 ;; *) die "vlan= requires two parameters" ;; esac } for vlan in $(getargs vlan=); do unset vlanname unset phydevice if [ ! "$vlan" = "vlan" ]; then parsevlan "$vlan" fi echo "phydevice=\"$phydevice\"" > /tmp/vlan."${phydevice}".phy { echo "vlanname=\"$vlanname\"" echo "phydevice=\"$phydevice\"" } > /tmp/vlan."${vlanname}"."${phydevice}" done	713 B	2022-06-19 22:35

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