aboutsummaryrefslogtreecommitdiffstats
path: root/network-scripts/ifup-eth
diff options
context:
space:
mode:
Diffstat (limited to 'network-scripts/ifup-eth')
-rwxr-xr-xnetwork-scripts/ifup-eth372
1 files changed, 372 insertions, 0 deletions
diff --git a/network-scripts/ifup-eth b/network-scripts/ifup-eth
new file mode 100755
index 00000000..a0988edb
--- /dev/null
+++ b/network-scripts/ifup-eth
@@ -0,0 +1,372 @@
+#!/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 ${forward_delay} centi)"
+ fi
+
+ forward_delay=$(expr ${forward_delay} \* 2 + 7)
+
+ [ 0$LINKDELAY -lt $forward_delay ] && LINKDELAY=$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
+
+# 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 /run/radvd/radvd.pid ] && kill -HUP $(cat /run/radvd/radvd.pid)
+ exit 0
+fi
+
+if [ -n "${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 ${LEASEFILE} -pf /run/dhclient-${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:
+ 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 ${LEASEFILE} -pf /run/dhclient6-${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}