diff options
Diffstat (limited to 'sysconfig/network-scripts/ifup-aliases')
| -rwxr-xr-x | sysconfig/network-scripts/ifup-aliases | 42 |
1 files changed, 33 insertions, 9 deletions
diff --git a/sysconfig/network-scripts/ifup-aliases b/sysconfig/network-scripts/ifup-aliases index d02c71c8..6ac5d9a0 100755 --- a/sysconfig/network-scripts/ifup-aliases +++ b/sysconfig/network-scripts/ifup-aliases @@ -74,14 +74,33 @@ parent_device=$device cd /etc/sysconfig/network-scripts . network-functions - # - # Grab the current configuration of any running aliases device info is placed into - # variables in the form: rdev_$DEVICE_addr, dev_$DEVICE_mb and rdevip_$IPGLOP. - # A list of all the devices is created in rdev_LIST. - # - -# sorry this is all one line -- it didn't work on multiple lines for me -eval `LC_ALL= LANG= /sbin/ifconfig | sed -e ' /^[^[:space:]]*:[0-9]*/ { s|^\([^:]*\):\([0-9]*\).*$|X=x; TMP="\2"; [ "$device" != "\1" ] \|\| |g; b; }; /^[^[:space:]]/ { s|.*|X=x; [ 0 = 0 ] \|\| |g; b; }; /inet addr:[0-9]*\.[0-9]*\.[0-9]*\.[0-9]* *Bcast:[0-9.]* *Mask:[0-9.]*/ { s|^.*inet addr:\(\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\)\) *Bcast:\([0-9.]*\) *Mask:\([0-9.]*\).*$|eval " rdev_${TMP}_addr=\1; rdev_${TMP}_mb=\7_\6; rdevip_\2_\3_\4_\5=${TMP}; rdev_LIST=\\\\"\\\\$rdev_LIST \\\\${TMP}\\\\"; " \|\| |g; b; }; s|^.*$||g; ' ` X=x; +# Grab the current configuration of any running aliases device info is placed +# into variables in the form: rdev_$DEVICE_addr, dev_$DEVICE_mb and +# rdevip_$IPGLOP. A list of all the devices is created in rdev_LIST. + +# Update also ifdown-aliases! +eval $(LC_ALL= LANG= /sbin/ifconfig | LC_ALL=C sed -n ' +# Alias name: store the number in TMP, ignore the following address if the +# device name does not match. This may leave a hanging ||, so dummy X=x +# comands are used to ignore a possible previous condition. +/^[^[:space:]]*:[0-9A-Za-z_]*/ { + s|^\([^:]*\):\([0-9A-Za-z_]*\).*$|X=x; TMP="\2"; [ "$device" != "\1" ] \|\| |p + b +} +# Non-alias device: always ignore the following address +/^[^[:space:]]/ { + s|^.*$|X=x; true \|\| |p + b +} +# Address: Preceded by a device name, which was converted into +# condition || +# So this triggers only for $device. +# Add a trailing || (which will be swallowed by X=x) to keep the syntax +# correct. +/inet addr:[0-9]*\.[0-9]*\.[0-9]*\.[0-9]* *Bcast:[0-9.]* *Mask:[0-9.]*/ { + s|^.*inet addr:\(\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\)\) *Bcast:\([0-9.]*\) *Mask:\([0-9.]*\).*$|eval "rdev_${TMP}_addr=\1; rdev_${TMP}_mb=\7_\6; rdevip_\2_\3_\4_\5=${TMP}; rdev_LIST=\\"\\$rdev_LIST \\${TMP}\\"; " \|\| |p + b +}') X=x if [ -z "$rdev_LIST" ]; then no_devices_are_up=yes @@ -149,6 +168,11 @@ function new_interface () IPGLOP="${ipa%%.*}_${ipb%%.*}_${ipc%%.*}_${ipc#*.}"; DEVNUM=${DEVICE#*:} + if (LC_ALL=C; [[ ! "$DEVNUM" =~ '^[0-9A-Za-z_]*$' ]]); then + echo $"error in $FILE: invalid alias number" >&2 + return 1 + fi + eval " ipseen=\$ipseen_${IPGLOP}; devseen=\$devseen_${DEVNUM}; ipseen_${IPGLOP}=$FILE; devseen_${DEVNUM}=$FILE; @@ -297,7 +321,7 @@ for FILE in ifcfg-${parent_device}:*[^~] ; do ini_env; . $FILE; [ -z "$DEVICE" ] && DEVICE=${FILE##ifcfg-} - [[ ! "$ONPARENT" =~ "NO|no" ]] && [ "$DEVICE" == "${FILE##ifcfg-}" ] && new_interface; + [ "$ONPARENT" != "no" -a "$ONPARENT" != "NO" ] && new_interface; unset DEVICE done |