Gestionnaire de fichiers - Editer - /etc/sysconfig/network-scripts/ifup-eth
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#!/bin/bash # Network Interface Configuration System # Copyright (c) 1996-2014 Red Hat, Inc. all rights reserved. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License, version 2, # as published by the Free Software Foundation. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. . /etc/init.d/functions cd /etc/sysconfig/network-scripts . ./network-functions [ -f ../network ] && . ../network CONFIG=${1} need_config "${CONFIG}" source_config if [ "${BOOTPROTO}" = "bootp" -o "${BOOTPROTO}" = "dhcp" ]; then DYNCONFIG=true fi # load the module associated with that device # /sbin/modprobe ${REALDEVICE} is_available ${REALDEVICE} # bail out, if the MAC does not fit if [ -n "${HWADDR}" ]; then FOUNDMACADDR=$(get_hwaddr ${REALDEVICE}) if [ "${FOUNDMACADDR}" != "${HWADDR}" -a "${FOUNDMACADDR}" != "${MACADDR}" ]; then net_log $"Device ${DEVICE} has different MAC address than expected, ignoring." exit 1 fi fi # If the device is a bridge, create it with brctl, if available. if [ "${TYPE}" = "Bridge" ]; then if [ ! -x /usr/sbin/brctl ]; then net_log $"Bridge support not available: brctl not found" exit 1 fi if [ ! -d /sys/class/net/${DEVICE}/bridge ]; then /usr/sbin/brctl addbr -- ${DEVICE} || exit 1 fi [ -n "${DELAY}" ] && /usr/sbin/brctl setfd -- ${DEVICE} ${DELAY} [ -n "${STP}" ] && /usr/sbin/brctl stp -- ${DEVICE} ${STP} [ -n "${PRIO}" ] && /usr/sbin/brctl setbridgeprio ${DEVICE} ${PRIO} [ -n "${AGEING}" ] && /usr/sbin/brctl setageing ${DEVICE} ${AGEING} # add the bits to setup driver parameters here for arg in $BRIDGING_OPTS ; do key=${arg%%=*}; value=${arg##*=}; if [ "${key}" != "multicast_router" -a "${key}" != "hash_max" -a "${key}" != "multicast_snooping" ]; then echo $value > /sys/class/net/${DEVICE}/bridge/$key fi done # set LINKDELAY (used as timeout when calling check_link_down()) # to at least (${DELAY} * 2) + 7 if STP is enabled. This is the # minimum time required for /sys/class/net/$REALDEVICE/carrier to # become 1 after "ip link set dev $DEVICE up" is called. if is_true "${STP}"; then if [ -n "${DELAY}" ]; then forward_delay="${DELAY}" else # If the ${DELAY} value is not set by the user, then we need to obtain # the forward_delay value from kernel first, and convert it to seconds. # Otherwise STP might not correctly complete the startup before trying # to obtain an IP address from DHCP. forward_delay="$(cat /sys/devices/virtual/net/${DEVICE}/bridge/forward_delay)" forward_delay="$(convert2sec ${forward_delay} centi)" fi forward_delay=$(bc -q <<< "${forward_delay} * 2 + 7") # It's possible we are comparing floating point numbers here, therefore # we are using 'bc' for comparison. The [ ] and [[ ]] do not work. (( $(bc -l <<< "${LINKDELAY:-0} < ${forward_delay}") )) && LINKDELAY=${forward_delay} unset forward_delay fi fi # Create tap device. if [ "${TYPE}" = "Tap" ]; then [ -n "${OWNER}" ] && OWNER="user ${OWNER}" TUNMODE="mode tap" [[ ${DEVICE} == tun* ]] && TUNMODE="mode tun" ip tuntap add ${TUNMODE} ${OWNER} dev ${DEVICE} > /dev/null fi # Team master initialization. if [ -n "${TEAM_CONFIG}" ] && [ ! "${DEVICETYPE}" = "Team" ] && [ -x ./ifup-Team ]; then ./ifup-Team ${CONFIG} $2 fi if [ -z "${REALDEVICE}" ]; then net_log $"Device name does not seem to be present." exit 1 fi # now check the real state is_available_wait ${REALDEVICE} ${DEVTIMEOUT} || { if [ -n "$alias" ]; then net_log $"$alias device ${DEVICE} does not seem to be present, delaying initialization." else net_log $"Device ${DEVICE} does not seem to be present, delaying initialization." fi exit 1 } # this isn't the same as the MAC in the configuration filename. It is # available as a configuration option in the config file, forcing the kernel # to think an ethernet card has a different MAC address than it really has. if [ -n "${MACADDR}" ]; then ip link set dev ${DEVICE} address ${MACADDR} fi if [ -n "${MTU}" ]; then ip link set dev ${DEVICE} mtu ${MTU} fi # is the device wireless? If so, configure wireless device specifics is_wireless_device ${DEVICE} && . ./ifup-wireless # Team slave device? if [ -n "${TEAM_MASTER}" ] && [ ! "${DEVICETYPE}" = "TeamPort" ] && [ -x ./ifup-TeamPort ]; then ./ifup-TeamPort ${CONFIG} $2 ethtool_set exit 0 fi # slave device? if [ "${SLAVE}" = yes -a "${ISALIAS}" = no -a "${MASTER}" != "" ]; then install_bonding_driver ${MASTER} grep -wq "${DEVICE}" /sys/class/net/${MASTER}/bonding/slaves 2>/dev/null || { /sbin/ip link set dev ${DEVICE} down echo "+${DEVICE}" > /sys/class/net/${MASTER}/bonding/slaves 2>/dev/null } ethtool_set exit 0 fi # Bonding initialization. For DHCP, we need to enslave the devices early, # so it can actually get an IP. if [ "$ISALIAS" = no ] && is_bonding_device ${DEVICE} ; then install_bonding_driver ${DEVICE} /sbin/ip link set dev ${DEVICE} up for device in $(LANG=C grep -l "^[[:space:]]*MASTER=['\"]\?${DEVICE}['\"]\?\([[:space:]#]\|$\)" /etc/sysconfig/network-scripts/ifcfg-*) ; do is_ignored_file "$device" && continue /sbin/ifup ${device##*/} || net_log "Unable to start slave device ${device##*/} for master ${DEVICE}." warning done [ -n "${LINKDELAY}" ] && /bin/sleep ${LINKDELAY} # add the bits to setup the needed post enslavement parameters for arg in $BONDING_OPTS ; do key=${arg%%=*}; value=${arg##*=}; if [ "${key}" = "primary" ]; then echo $value > /sys/class/net/${DEVICE}/bonding/$key fi done fi # If the device is part of a bridge, add the device to the bridge if [ -n "${BRIDGE}" ] && [ -x /usr/sbin/brctl ]; then if [ ! -d /sys/class/net/${BRIDGE}/bridge ]; then /usr/sbin/brctl addbr -- ${BRIDGE} 2>/dev/null fi /sbin/ip addr flush dev ${DEVICE} 2>/dev/null /sbin/ip link set dev ${DEVICE} up ethtool_set [ -n "${LINKDELAY}" ] && /bin/sleep ${LINKDELAY} /usr/sbin/brctl addif -- ${BRIDGE} ${DEVICE} # add the bits to setup driver parameters here for arg in $BRIDGING_OPTS ; do key=${arg%%=*}; value=${arg##*=}; echo $value > /sys/class/net/${DEVICE}/brport/$key done # Upon adding a device to a bridge, # it's necessary to make radvd reload its config [ -r /var/run/radvd/radvd.pid ] && kill -HUP $(cat /var/run/radvd/radvd.pid) exit 0 fi if [ -n "${DYNCONFIG}" ] && [ -x /sbin/dhclient ]; then if is_true "${PERSISTENT_DHCLIENT}"; then ONESHOT=""; else ONESHOT="-1"; fi; generate_config_file_name generate_lease_file_name # Initialize the dhclient args and obtain the hostname options if needed: DHCLIENTARGS="${DHCLIENTARGS} ${ONESHOT} -q ${DHCLIENTCONF} -lf ${LEASEFILE} -pf /var/run/dhclient-${DEVICE}.pid" set_hostname_options DHCLIENTARGS echo echo -n $"Determining IP information for ${DEVICE}..." if ! is_true "${PERSISTENT_DHCLIENT}" && check_link_down ${DEVICE}; then echo $" failed; no link present. Check cable?" exit 1 fi ethtool_set if /sbin/dhclient ${DHCLIENTARGS} ${DEVICE} ; then echo $" done." dhcpipv4="good" else echo $" failed." if is_true "${IPV4_FAILURE_FATAL}"; then exit 1 fi if is_false "$IPV6INIT" || ! is_true "$DHCPV6C"; then exit 1 fi net_log "Unable to obtain IPv4 DHCP address ${DEVICE}." warning fi # end dynamic device configuration else if [ -z "${IPADDR}" -a -z "${IPADDR0}" -a -z "${IPADDR1}" -a -z "${IPADDR2}" ]; then # enable device without IP, useful for e.g. PPPoE ip link set dev ${REALDEVICE} up ethtool_set [ -n "${LINKDELAY}" ] && /bin/sleep ${LINKDELAY} else expand_config [ -n "${ARP}" ] && \ ip link set dev ${REALDEVICE} $(toggle_value arp $ARP) if ! ip link set dev ${REALDEVICE} up ; then net_log $"Failed to bring up ${DEVICE}." exit 1 fi ethtool_set [ -n "${LINKDELAY}" ] && /bin/sleep ${LINKDELAY} if [ "${DEVICE}" = "lo" ]; then SCOPE="scope host" else SCOPE=${SCOPE:-} fi if [ -n "$SRCADDR" ]; then SRC="src $SRCADDR" else SRC= fi # set IP address(es) for idx in {0..256} ; do if [ -z "${ipaddr[$idx]}" ]; then break fi if ! LC_ALL=C ip addr ls ${REALDEVICE} | LC_ALL=C grep -q "${ipaddr[$idx]}/${prefix[$idx]}" ; then if [ "${REALDEVICE}" != "lo" ] && [ "${arpcheck[$idx]}" != "no" ] ; then ARPING=$(/sbin/arping -c 2 -w ${ARPING_WAIT:-3} -D -I ${REALDEVICE} ${ipaddr[$idx]}) if [ $? = 1 ]; then ARPINGMAC=$(echo $ARPING | sed -ne 's/.*\[\(.*\)\].*/\1/p') net_log $"Error, some other host ($ARPINGMAC) already uses address ${ipaddr[$idx]}." exit 1 fi fi if ! ip addr add ${ipaddr[$idx]}/${prefix[$idx]} \ brd ${broadcast[$idx]:-+} dev ${REALDEVICE} ${SCOPE} label ${DEVICE}; then net_log $"Error adding address ${ipaddr[$idx]} for ${DEVICE}." fi fi if [ -n "$SRCADDR" ]; then sysctl -w "net.ipv4.conf.${SYSCTLDEVICE}.arp_filter=1" >/dev/null 2>&1 fi # update ARP cache of neighboring computers if ! is_false "${arpupdate[$idx]}" && [ "${REALDEVICE}" != "lo" ]; then /sbin/arping -q -A -c 1 -I ${REALDEVICE} ${ipaddr[$idx]} ( sleep 2; /sbin/arping -q -U -c 1 -I ${REALDEVICE} ${ipaddr[$idx]} ) > /dev/null 2>&1 < /dev/null & fi # set lifetime of address to forever ip addr change ${ipaddr[$idx]}/${prefix[$idx]} dev ${REALDEVICE} valid_lft forever preferred_lft forever done # Set a default route. if [ "${DEFROUTE}" != "no" ] && [ -z "${GATEWAYDEV}" -o "${GATEWAYDEV}" = "${REALDEVICE}" ]; then # set up default gateway. replace if one already exists if [ -n "${GATEWAY}" ] && [ "$(ipcalc --network ${GATEWAY} ${netmask[0]} 2>/dev/null)" = "NETWORK=${NETWORK}" ]; then ip route replace default ${METRIC:+metric $METRIC} \ ${EXTRA_ROUTE_OPTS} \ via ${GATEWAY} ${WINDOW:+window $WINDOW} ${SRC} \ ${GATEWAYDEV:+dev $GATEWAYDEV} || net_log $"Error adding default gateway ${GATEWAY} for ${DEVICE}." elif [ "${GATEWAYDEV}" = "${DEVICE}" ]; then ip route replace default ${METRIC:+metric $METRIC} \ ${EXTRA_ROUTE_OPTS} \ ${SRC} ${WINDOW:+window $WINDOW} dev ${REALDEVICE} || net_log $"Error adding default gateway for ${REALDEVICE}." fi fi fi fi # Add Zeroconf route. if [ -z "${NOZEROCONF}" -a "${ISALIAS}" = "no" -a "${REALDEVICE}" != "lo" ]; then ip route add 169.254.0.0/16 dev ${REALDEVICE} metric $((1000 + $(cat /sys/class/net/${REALDEVICE}/ifindex))) scope link fi if [ "${TYPE}" = "Bridge" ]; then for arg in $BRIDGING_OPTS ; do key=${arg%%=*}; value=${arg##*=}; if [ "${key}" = "multicast_router" -o "${key}" = "hash_max" -o "${key}" = "multicast_snooping" ]; then echo $value > /sys/class/net/${DEVICE}/bridge/$key fi done fi # IPv6 initialisation? /etc/sysconfig/network-scripts/ifup-ipv6 ${CONFIG} if is_true "${DHCPV6C}" && [ -x /sbin/dhclient ]; then # Assign interface into a firewalld zone so we can # obtain the IPv6 via DHCPv6 (empty ZONE means default): if [ "${REALDEVICE}" != "lo" ]; then dbus-send --print-reply --system --dest=org.fedoraproject.FirewallD1 \ /org/fedoraproject/FirewallD1 \ org.fedoraproject.FirewallD1.zone.changeZoneOfInterface \ string:"${ZONE}" string:"${DEVICE}" \ > /dev/null 2>&1 fi generate_config_file_name 6 generate_lease_file_name 6 echo echo -n $"Determining IPv6 information for ${DEVICE}..." # Initialize the dhclient args for IPv6 and obtain the hostname options if needed: DHCLIENTARGS="-6 -1 ${DHCPV6C_OPTIONS} ${DHCLIENTCONF} -lf ${LEASEFILE} -pf /var/run/dhclient6-${DEVICE}.pid ${DEVICE}" set_hostname_options DHCLIENTARGS if /sbin/dhclient $DHCLIENTARGS; then echo $" done." else echo $" failed." if [ "${dhcpipv4}" = "good" -o -n "${IPADDR}" ]; then net_log "Unable to obtain IPv6 DHCP address ${DEVICE}." warning else exit 1 fi fi fi exec /etc/sysconfig/network-scripts/ifup-post ${CONFIG} ${2}
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