diff options
-rwxr-xr-x | sysconfig/network-scripts/ifup-aliases | 55 |
1 files changed, 34 insertions, 21 deletions
diff --git a/sysconfig/network-scripts/ifup-aliases b/sysconfig/network-scripts/ifup-aliases index cbaa2bad..150a4a3f 100755 --- a/sysconfig/network-scripts/ifup-aliases +++ b/sysconfig/network-scripts/ifup-aliases @@ -115,9 +115,9 @@ eval ` ( echo default_NETMASK=$NETMASK\;; echo default_BROADCAST=$BROADCAST\;; echo default_GATEWAY=$GATEWAY\;; - echo default_GATEWAYDEV=$GATEWAYDEV\;; echo default_NO_ALIASROUTING=$NO_ALIASROUTING\;; ) ` +[ -z "$default_GATEWAY" ] && default_GATEWAY=$network_GATEWAY function ini_env () { @@ -126,13 +126,19 @@ function ini_env () NETMASK=$default_NETMASK BROADCAST=$default_BROADCAST GATEWAY=$default_GATEWAY - GATEWAYDEV=$default_GATEWAYDEV NO_ALIASROUTING=$default_NO_ALIASROUTING ONPARENT="" } +function is_default_gateway () +{ + LC_ALL=C /sbin/route -n \ + | awk '$1 == "0.0.0.0" && $2 == "'"$1"'" { found = 1; } + END { exit found == 0; }' +} + # - # Read the alias configuation files and enable each aliased + # Read the alias configuration files and enable each aliased # device using new_interface() # @@ -143,21 +149,29 @@ function new_interface () IPGLOP="${ipa%%.*}_${ipb%%.*}_${ipc%%.*}_${ipc#*.}"; DEVNUM=${DEVICE#*:} + if [[ ! "$DEVNUM" =~ '^[0123456789]*$' ]]; then + echo $"error in $FILE: invalid alias number" >&2 + return 1 + fi + eval " ipseen=\$ipseen_${IPGLOP}; devseen=\$devseen_${DEVNUM}; ipseen_${IPGLOP}=$FILE; devseen_${DEVNUM}=$FILE; "; if [ -n "$ipseen" ]; then - echo $"error in $FILE: already seen ipaddr $IPADDR in $ipseen" >&2;exit 0 + echo $"error in $FILE: already seen ipaddr $IPADDR in $ipseen" >&2 + return 1 fi if [ -n "$devseen" ]; then - echo $"error in $FILE: already seen device $parent_device:$DEVNUM in $devseen" >&2; exit 0 + echo $"error in $FILE: already seen device $parent_device:$DEVNUM in $devseen" >&2 + return 1 fi - + if [ -z "$DEVICE" -o -z "$IPADDR" ]; then - echo $"error in $FILE: didn't specify device or ipaddr" >&2 ; exit 0 + echo $"error in $FILE: didn't specify device or ipaddr" >&2 + return 1 fi if [ -z "$NETMASK" ]; then @@ -223,7 +237,8 @@ function new_interface () setup_this=yes fi if [ -n "$rdev_mark" -a "$rdev_mark" != "$newmark" ]; then - echo $"error in ifcfg-${parent_device}: files" >&2 ; exit 0 + echo $"error in ifcfg-${parent_device}: files" >&2 + return 1 fi eval " rdev_${DEVNUM}_mark=\$newmark "; else @@ -233,7 +248,8 @@ function new_interface () if [ -n "$rdevip" -a "$rdevip" != "${DEVNUM}" ]; then eval " mark_remove=\$rdev_${rdevip}_mark "; if [ -n "$mark_remove" -a "$mark_remove" != "remove" ]; then - echo $"error in ifcfg-${parent_device}: files" >&2 ; exit 0 + echo $"error in ifcfg-${parent_device}: files" >&2 + return 1 fi if [ "$mark_remove" != "remove" ]; then eval " rdev_${rdevip}_mark=remove "; @@ -259,19 +275,16 @@ function new_interface () if [ "$NO_ALIASROUTING" != yes ]; then - GATEWAY=$network_GATEWAY; GATEWAYDEV=$network_GATEWAYDEV; - if [ "${GATEWAY}" != "" ]; then - if [ "${GATEWAYDEV}" = "" -o "${GATEWAYDEV}" = "${DEVICE}" ]; then - # set up default gateway, if it isn't already there - CURGW=`LC_ALL=C route -n | grep ^0\.0\.0\.0 | awk '{ print $2 }'` - if [ "$CURGW" != "$GATEWAY" ]; then - route add default gw ${GATEWAY} ${DEVICE} - fi - fi + if [ -n "${GATEWAY}" -a \ + \( -z "${GATEWAYDEV}" -o "${GATEWAYDEV}" = "${DEVICE}" \) ]; then + # set up default gateway, if it isn't already there + if ! is_default_gateway "$GATEWAY"; then + route add default gw ${GATEWAY} ${DEVICE} + fi fi - + /etc/sysconfig/network-scripts/ifup-routes ${DEVICE} ${NAME} do_netreport=yes @@ -303,11 +316,11 @@ for FILE in ifcfg-${parent_device}-range*[^~] ; do ipaddr_endnum=${IPADDR_END##*.} if [ "${IPADDR_START%.*}" != "${IPADDR_END%.*}" ]; then - echo $"error in $FILE: IPADDR_START and IPADDR_END don't agree" >&2; exit 0 + echo $"error in $FILE: IPADDR_START and IPADDR_END don't agree" >&2; continue fi if [ $ipaddr_startnum -gt $ipaddr_endnum ]; then - echo $"error in $FILE: IPADDR_START greater than IPADDR_END" >&2; exit 0 + echo $"error in $FILE: IPADDR_START greater than IPADDR_END" >&2; continue fi ipaddr_num=$ipaddr_startnum |