diff options
Diffstat (limited to 'sysconfig/network-scripts/ifup-aliases')
| -rwxr-xr-x | sysconfig/network-scripts/ifup-aliases | 488 |
1 files changed, 246 insertions, 242 deletions
diff --git a/sysconfig/network-scripts/ifup-aliases b/sysconfig/network-scripts/ifup-aliases index 2989b8d9..50362143 100755 --- a/sysconfig/network-scripts/ifup-aliases +++ b/sysconfig/network-scripts/ifup-aliases @@ -64,8 +64,8 @@ TEXTDOMAINDIR=/etc/locale device=$1 if [ "$device" = "" ]; then - echo $"usage: ifup-aliases <net-device> [<parent-config>]\n" - exit 1 + echo $"usage: ifup-aliases <net-device> [<parent-config>]\n" + exit 1 fi PARENTCONFIG=${2:-ifcfg-$device} @@ -87,282 +87,286 @@ cd /etc/sysconfig/network-scripts # A list of all the devices is created in rdev_LIST. eval $( ip addr show $device label $device:* | \ - awk 'BEGIN { COUNT=0;LAST_DEV="" } /inet / { -# Split IP address into address/prefix - split($2,IPADDR,"/"); -# Create A_B_C_D IP address form - IP_ADDR=IPADDR[1]; - gsub(/\./,"_",IP_ADDR); -# Split device into device:index - split($NF,DEV,":"); -# Update last device - LAST_DEV=LAST_DEV " " DEV[2]; - printf("rdev_%s_addr=%s\nrdevip_%s=%s\nrdev_%s_pb=%s_%s\nrdev_LIST=\"%s\"\n", - DEV[2],IPADDR[1],IP_ADDR,DEV[2],DEV[2],IPADDR[2],$4,LAST_DEV); - } END { - if(LAST_DEV == "") print "no_devices_are_up=yes" - }' ); - - # - # Store configuration of the parent device and network - # + awk 'BEGIN { COUNT=0;LAST_DEV="" } /inet / { + # Split IP address into address/prefix + split($2,IPADDR,"/"); + # Create A_B_C_D IP address form + IP_ADDR=IPADDR[1]; + gsub(/\./,"_",IP_ADDR); + # Split device into device:index + split($NF,DEV,":"); + # Update last device + LAST_DEV=LAST_DEV " " DEV[2]; + printf("rdev_%s_addr=%s\nrdevip_%s=%s\nrdev_%s_pb=%s_%s\nrdev_LIST=\"%s\"\n", + DEV[2],IPADDR[1],IP_ADDR,DEV[2],DEV[2],IPADDR[2],$4,LAST_DEV); + } END { + if(LAST_DEV == "") print "no_devices_are_up=yes" + }' ); + +# +# Store configuration of the parent device and network +# # read from the /etc/sysconfig/network eval ` ( - . /etc/sysconfig/network; - echo network_GATEWAY=$GATEWAY\;; - echo network_GATEWAYDEV=$GATEWAYDEV\;; + . /etc/sysconfig/network; + echo network_GATEWAY=$GATEWAY\;; + echo network_GATEWAYDEV=$GATEWAYDEV\;; ) ` # read defaults from the parent config file [ -f $PARENTCONFIG ] || { - net_log $"Missing config file $PARENTCONFIG." - exit 1 + net_log $"Missing config file $PARENTCONFIG." + exit 1 } eval ` ( - . ./$PARENTCONFIG; - echo default_PREFIX=$PREFIX\;; - echo default_NETMASK=$NETMASK\;; - echo default_BROADCAST=$BROADCAST\;; - echo default_GATEWAY=$GATEWAY\;; - echo default_NO_ALIASROUTING=$NO_ALIASROUTING\;; - echo default_ARPCHECK=$ARPCHECK\;; + . ./$PARENTCONFIG; + echo default_PREFIX=$PREFIX\;; + echo default_NETMASK=$NETMASK\;; + echo default_BROADCAST=$BROADCAST\;; + echo default_GATEWAY=$GATEWAY\;; + echo default_NO_ALIASROUTING=$NO_ALIASROUTING\;; + echo default_ARPCHECK=$ARPCHECK\;; ) ` [ -z "$default_GATEWAY" ] && default_GATEWAY=$network_GATEWAY function ini_env () { - DEVICE="" - IPADDR="" - IPV6ADDR="" - PREFIX=$default_PREFIX - NETMASK=$default_NETMASK - BROADCAST=$default_BROADCAST - GATEWAY=$default_GATEWAY - NO_ALIASROUTING=$default_NO_ALIASROUTING - ONPARENT="" - ARPCHECK=$default_ARPCHECK + DEVICE="" + IPADDR="" + IPV6ADDR="" + PREFIX=$default_PREFIX + NETMASK=$default_NETMASK + BROADCAST=$default_BROADCAST + GATEWAY=$default_GATEWAY + NO_ALIASROUTING=$default_NO_ALIASROUTING + ONPARENT="" + ARPCHECK=$default_ARPCHECK } function is_default_gateway () { - LC_ALL=C /sbin/ip route ls default scope global \ - | awk '$3 == "'"$1"'" { found = 1; } END { exit found == 0; }' + LC_ALL=C /sbin/ip route ls default scope global \ + | awk '$3 == "'"$1"'" { found = 1; } END { exit found == 0; }' } - # - # Read the alias configuration files and enable each aliased - # device using new_interface() - # +# +# Read the alias configuration files and enable each aliased +# device using new_interface() +# function new_interface () { - ipa=$IPADDR; ipb=${ipa#*.}; ipc=${ipb#*.}; - IPGLOP="${ipa%%.*}_${ipb%%.*}_${ipc%%.*}_${ipc#*.}"; - DEVNUM=${DEVICE#*:} - - MATCH='^[0-9A-Za-z_]*$' - if (LC_ALL=C; [[ ! "$DEVNUM" =~ $MATCH ]]); then - net_log $"error in $FILE: invalid alias number" - return 1 - fi - - eval " - ipseen=\$ipseen_${IPGLOP}; devseen=\$devseen_${DEVNUM}; - ipseen_${IPGLOP}=$FILE; devseen_${DEVNUM}=$FILE; - "; - - if [ -n "$ipseen" ]; then - net_log $"error in $FILE: already seen ipaddr $IPADDR in $ipseen" - return 1 - fi - - if [ -n "$devseen" ]; then - net_log $"error in $FILE: already seen device $parent_device:$DEVNUM in $devseen" - return 1 - fi - - if [ -z "$DEVICE" -o -z "$IPADDR" ]; then - if [ -n "$IPV6ADDR" -a -n "$DEVICE" ] && [[ "$IPV6INIT" != [nN0]* ]]; then - /etc/sysconfig/network-scripts/ifup-ipv6 ${DEVICE} - return $? - fi - net_log $"error in $FILE: didn't specify device or ipaddr" - return 1 - fi - - if [ -z "$NETMASK" -a -z "$PREFIX" ]; then - net_log $"error iN $FILE: didn't specify netmask or prefix" - fi - - if [ -z "$PREFIX" ]; then - eval $(/bin/ipcalc --prefix ${IPADDR} ${NETMASK}) - fi - - if [ -z "$BROADCAST" -o "$BROADCAST" = "$default_BROADCAST" ]; then - eval $(/bin/ipcalc --broadcast ${IPADDR}/${PREFIX}) - fi - - if [ "$no_devices_are_up" = "yes" ]; then - setup_this=yes - else - - setup_this="" - - eval " - rdev_addr=\$rdev_${DEVNUM}_addr; - rdev_pb=\$rdev_${DEVNUM}_pb; - rdev_mark=\$rdev_${DEVNUM}_mark; - rdevip=\$rdevip_${IPGLOP}; - "; - - if [ -n "$rdev_addr" ]; then - if [ "$rdev_addr" = "${IPADDR}" ]; then - newmark=keep - if [ "$rdev_pb" != "${PREFIX}_${BROADCAST}" ]; then - setup_this=freshen - else - setup_this=no - fi - else - if [ "$rdev_mark" != "remove" ]; then - /sbin/ip addr flush dev $parent_device label $parent_device:${DEVNUM} - do_netreport=yes - fi - newmark=remove - setup_this=yes - fi - if [ -n "$rdev_mark" -a "$rdev_mark" != "$newmark" ]; then - net_log $"error in ifcfg-${parent_device}: files" - return 1 - fi - eval " rdev_${DEVNUM}_mark=\$newmark "; - else - setup_this=yes - fi - - if [ -n "$rdevip" -a "$rdevip" != "${DEVNUM}" ]; then - eval " mark_remove=\$rdev_${rdevip}_mark "; - if [ -n "$mark_remove" -a "$mark_remove" != "remove" ]; then - net_log $"error in ifcfg-${parent_device}: files" - return 1 - fi - if [ "$mark_remove" != "remove" ]; then - eval " rdev_${rdevip}_mark=remove "; - /sbin/ip addr flush dev $parent_device label $parent_device:$rdevip - do_netreport=yes - fi - fi - - fi - - if [ "$setup_this" = "freshen" ] ; then - # we can do the freshen stuff right now - /sbin/ip addr change ${IPADDR}/${PREFIX} brd ${BROADCAST} - fi - - if [ "$setup_this" = "yes" ] ; then - if [ "${parent_device}" != "lo" ] && [ "${ARPCHECK}" != "no" ] && \ - is_available ${parent_device} && \ - ( grep -qswi "up" /sys/class/net/${parent_device}/operstate || grep -qswi "1" /sys/class/net/${parent_device}/carrier ) ; then - echo $"Determining if ip address ${IPADDR} is already in use for device ${parent_device}..." - /sbin/arping -q -c 2 -w ${ARPING_WAIT:-3} -D -I ${parent_device} ${IPADDR} - if [ $? = 1 ]; then - net_log $"Error, some other host already uses address ${IPADDR}." - return 1 - fi - fi - - /sbin/ip addr add ${IPADDR}/${PREFIX} brd ${BROADCAST} dev ${parent_device} label ${DEVICE} - - [[ "$IPV6INIT" != [nN0]* ]] && /etc/sysconfig/network-scripts/ifup-ipv6 ${DEVICE} - - if [ "$NO_ALIASROUTING" != yes ]; then - - GATEWAYDEV=$network_GATEWAYDEV; - - if [ -n "${GATEWAY}" -a \ - \( -z "${GATEWAYDEV}" -o "${GATEWAYDEV}" = "${DEVICE}" \) ]; then - # set up default gateway, if it isn't already there - if ! is_default_gateway "$GATEWAY"; then - ip route replace default ${METRIC:+metric $METRIC} via ${GATEWAY} dev ${DEVICE} - fi - fi - - /etc/sysconfig/network-scripts/ifup-routes ${DEVICE} ${NAME} - - do_netreport=yes - ifuplocal_queue="$ifuplocal_queue $DEVICE" - - fi - - fi - + ipa=$IPADDR; ipb=${ipa#*.}; ipc=${ipb#*.}; + IPGLOP="${ipa%%.*}_${ipb%%.*}_${ipc%%.*}_${ipc#*.}"; + DEVNUM=${DEVICE#*:} + + MATCH='^[0-9A-Za-z_]*$' + if (LC_ALL=C; [[ ! "$DEVNUM" =~ $MATCH ]]); then + net_log $"error in $FILE: invalid alias number" + return 1 + fi + + eval " + ipseen=\$ipseen_${IPGLOP}; devseen=\$devseen_${DEVNUM}; + ipseen_${IPGLOP}=$FILE; devseen_${DEVNUM}=$FILE; + "; + + if [ -n "$ipseen" ]; then + net_log $"error in $FILE: already seen ipaddr $IPADDR in $ipseen" + return 1 + fi + + if [ -n "$devseen" ]; then + net_log $"error in $FILE: already seen device $parent_device:$DEVNUM in $devseen" + return 1 + fi + + if [ -z "$DEVICE" -o -z "$IPADDR" ]; then + if [ -n "$IPV6ADDR" -a -n "$DEVICE" ] && [[ "$IPV6INIT" != [nN0]* ]]; then + /etc/sysconfig/network-scripts/ifup-ipv6 ${DEVICE} + return $? + fi + net_log $"error in $FILE: didn't specify device or ipaddr" + return 1 + fi + + if [ -z "$NETMASK" -a -z "$PREFIX" ]; then + net_log $"error iN $FILE: didn't specify netmask or prefix" + fi + + if [ -z "$PREFIX" ]; then + eval $(/bin/ipcalc --prefix ${IPADDR} ${NETMASK}) + fi + + if [ -z "$BROADCAST" -o "$BROADCAST" = "$default_BROADCAST" ]; then + eval $(/bin/ipcalc --broadcast ${IPADDR}/${PREFIX}) + fi + + if [ "$no_devices_are_up" = "yes" ]; then + setup_this=yes + else + + setup_this="" + + eval " + rdev_addr=\$rdev_${DEVNUM}_addr; + rdev_pb=\$rdev_${DEVNUM}_pb; + rdev_mark=\$rdev_${DEVNUM}_mark; + rdevip=\$rdevip_${IPGLOP}; + "; + + if [ -n "$rdev_addr" ]; then + if [ "$rdev_addr" = "${IPADDR}" ]; then + newmark=keep + if [ "$rdev_pb" != "${PREFIX}_${BROADCAST}" ]; then + setup_this=freshen + else + setup_this=no + fi + else + if [ "$rdev_mark" != "remove" ]; then + /sbin/ip addr flush dev $parent_device label $parent_device:${DEVNUM} + do_netreport=yes + fi + newmark=remove + setup_this=yes + fi + if [ -n "$rdev_mark" -a "$rdev_mark" != "$newmark" ]; then + net_log $"error in ifcfg-${parent_device}: files" + return 1 + fi + eval " rdev_${DEVNUM}_mark=\$newmark "; + else + setup_this=yes + fi + + if [ -n "$rdevip" -a "$rdevip" != "${DEVNUM}" ]; then + eval " mark_remove=\$rdev_${rdevip}_mark "; + if [ -n "$mark_remove" -a "$mark_remove" != "remove" ]; then + net_log $"error in ifcfg-${parent_device}: files" + return 1 + fi + if [ "$mark_remove" != "remove" ]; then + eval " rdev_${rdevip}_mark=remove "; + /sbin/ip addr flush dev $parent_device label $parent_device:$rdevip + do_netreport=yes + fi + fi + + fi + + if [ "$setup_this" = "freshen" ] ; then + # we can do the freshen stuff right now + /sbin/ip addr change ${IPADDR}/${PREFIX} brd ${BROADCAST} + fi + + if [ "$setup_this" = "yes" ] ; then + if [ "${parent_device}" != "lo" ] && [ "${ARPCHECK}" != "no" ] && \ + is_available ${parent_device} && \ + ( grep -qswi "up" /sys/class/net/${parent_device}/operstate || grep -qswi "1" /sys/class/net/${parent_device}/carrier ) ; then + echo $"Determining if ip address ${IPADDR} is already in use for device ${parent_device}..." + /sbin/arping -q -c 2 -w ${ARPING_WAIT:-3} -D -I ${parent_device} ${IPADDR} + if [ $? = 1 ]; then + net_log $"Error, some other host already uses address ${IPADDR}." + return 1 + fi + fi + + /sbin/ip addr add ${IPADDR}/${PREFIX} brd ${BROADCAST} \ + dev ${parent_device} label ${DEVICE} + + [[ "$IPV6INIT" != [nN0]* ]] && \ + /etc/sysconfig/network-scripts/ifup-ipv6 ${DEVICE} + + if [ "$NO_ALIASROUTING" != yes ]; then + + GATEWAYDEV=$network_GATEWAYDEV; + + if [ -n "${GATEWAY}" -a \ + \( -z "${GATEWAYDEV}" -o "${GATEWAYDEV}" = "${DEVICE}" \) ]; then + # set up default gateway, if it isn't already there + if ! is_default_gateway "$GATEWAY"; then + ip route replace default ${METRIC:+metric $METRIC} via ${GATEWAY} dev ${DEVICE} + fi + fi + + /etc/sysconfig/network-scripts/ifup-routes ${DEVICE} ${NAME} + + do_netreport=yes + ifuplocal_queue="$ifuplocal_queue $DEVICE" + fi + fi } -if [ "$BASH_VERSINFO" ]; then shopt -s nullglob; else allow_null_glob_expansion=foo; fi +if [ "$BASH_VERSINFO" ]; then + shopt -s nullglob +else + allow_null_glob_expansion=foo +fi for FILE in ifcfg-${parent_device}:* ; do - is_ignored_file "$FILE" && continue - ini_env; - . ./$FILE; - [ -z "$DEVICE" ] && DEVICE=${FILE##ifcfg-} - [ "$ONPARENT" != "no" -a "$ONPARENT" != "NO" ] && new_interface; - unset DEVICE + is_ignored_file "$FILE" && continue + ini_env + . ./$FILE + [ -z "$DEVICE" ] && DEVICE=${FILE##ifcfg-} + [ "$ONPARENT" != "no" -a "$ONPARENT" != "NO" ] && new_interface + unset DEVICE done for FILE in ifcfg-${parent_device}-range* ; do - is_ignored_file "$FILE" && continue - ini_env; - . ./$FILE; - - ipaddr_prefix=${IPADDR_START%.*} - ipaddr_startnum=${IPADDR_START##*.} - ipaddr_endnum=${IPADDR_END##*.} - - if [ "${IPADDR_START%.*}" != "${IPADDR_END%.*}" ]; then - net_log $"error in $FILE: IPADDR_START and IPADDR_END don't agree"; continue - fi - - if [ $ipaddr_startnum -gt $ipaddr_endnum ]; then - net_log $"error in $FILE: IPADDR_START greater than IPADDR_END"; continue - fi - - ipaddr_num=$ipaddr_startnum - ipaddr_clonenum=$CLONENUM_START - - while [ $ipaddr_num -le $ipaddr_endnum ]; do - IPADDR="$ipaddr_prefix.$ipaddr_num" - DEVICE="$parent_device:$ipaddr_clonenum" - IPV6INIT="no" - [ "$ONPARENT" != "no" -a "$ONPARENT" != "NO" ] && new_interface; - ipaddr_num=$(($ipaddr_num+1)) - ipaddr_clonenum=$(($ipaddr_clonenum+1)) - done - + is_ignored_file "$FILE" && continue + ini_env + . ./$FILE + + ipaddr_prefix=${IPADDR_START%.*} + ipaddr_startnum=${IPADDR_START##*.} + ipaddr_endnum=${IPADDR_END##*.} + + if [ "${IPADDR_START%.*}" != "${IPADDR_END%.*}" ]; then + net_log $"error in $FILE: IPADDR_START and IPADDR_END don't agree" + continue + fi + + if [ $ipaddr_startnum -gt $ipaddr_endnum ]; then + net_log $"error in $FILE: IPADDR_START greater than IPADDR_END" + continue + fi + + ipaddr_num=$ipaddr_startnum + ipaddr_clonenum=$CLONENUM_START + + while [ $ipaddr_num -le $ipaddr_endnum ]; do + IPADDR="$ipaddr_prefix.$ipaddr_num" + DEVICE="$parent_device:$ipaddr_clonenum" + IPV6INIT="no" + [ "$ONPARENT" != "no" -a "$ONPARENT" != "NO" ] && new_interface + ipaddr_num=$(($ipaddr_num+1)) + ipaddr_clonenum=$(($ipaddr_clonenum+1)) + done done - # - # Remove any devices that should not be around - # - for DEVNUM in $rdev_LIST ; do - eval " rdev_mark=\$rdev_${DEVNUM}_mark "; - if [ -z "$rdev_mark" ]; then - /sbin/ip addr flush dev $parent_device label $parent_device:${DEVNUM} - do_netreport=yes - fi - done - # - # Notify of new device creation - # +# +# Remove any devices that should not be around +# +for DEVNUM in $rdev_LIST ; do + eval " rdev_mark=\$rdev_${DEVNUM}_mark " + if [ -z "$rdev_mark" ]; then + /sbin/ip addr flush dev $parent_device label $parent_device:${DEVNUM} + do_netreport=yes + fi +done +# +# Notify of new device creation +# if [ -n "$do_netreport" ]; then - do_netreport + do_netreport fi if [ -x /sbin/ifup-local ]; then - for DEVICE in $ifuplocal_queue ; do - /sbin/ifup-local ${DEVICE} - done + for DEVICE in $ifuplocal_queue ; do + /sbin/ifup-local ${DEVICE} + done fi |