diff options
Diffstat (limited to 'xi/lib/services/ipv4-static')
| -rwxr-xr-x | xi/lib/services/ipv4-static | 81 | 
1 files changed, 81 insertions, 0 deletions
diff --git a/xi/lib/services/ipv4-static b/xi/lib/services/ipv4-static new file mode 100755 index 0000000..7021c29 --- /dev/null +++ b/xi/lib/services/ipv4-static @@ -0,0 +1,81 @@ +#!/bin/sh +######################################################################## +# Begin /lib/services/ipv4-static +# +# Description : IPV4 Static Boot Script +# +# Authors     : Nathan Coulson - nathan@linuxfromscratch.org +#               Kevin P. Fleming - kpfleming@linuxfromscratch.org +# Update      : Bruce Dubbs - bdubbs@linuxfromscratch.org +# +# Version     : LFS 7.0 +# +######################################################################## + +. /lib/lsb/init-functions +. ${IFCONFIG} + +if [ -z "${IP}" ]; then +   log_failure_msg "\nIP variable missing from ${IFCONFIG}, cannot continue." +   exit 1 +fi + +if [ -z "${PREFIX}" -a -z "${PEER}" ]; then +   log_warning_msg "\nPREFIX variable missing from ${IFCONFIG}, assuming 24." +   PREFIX=24 +   args="${args} ${IP}/${PREFIX}" + +elif [ -n "${PREFIX}" -a -n "${PEER}" ]; then +   log_failure_msg "\nPREFIX and PEER both specified in ${IFCONFIG}, cannot continue." +   exit 1 + +elif [ -n "${PREFIX}" ]; then +   args="${args} ${IP}/${PREFIX}" + +elif [ -n "${PEER}" ]; then +   args="${args} ${IP} peer ${PEER}" +fi + +if [ -n "${LABEL}" ]; then +   args="${args} label ${LABEL}" +fi + +if [ -n "${BROADCAST}" ]; then +   args="${args} broadcast ${BROADCAST}" +fi + +case "${2}" in +   up) +      if [ "$(ip addr show ${1} 2>/dev/null | grep ${IP}/)" = "" ]; then +         log_info_msg "Adding IPv4 address ${IP} to the ${1} interface..." +         ip addr add ${args} dev ${1} +         evaluate_retval +      else +         log_warning_msg "Cannot add IPv4 address ${IP} to ${1}.  Already present." +      fi +   ;; + +   down) +      if [ "$(ip addr show ${1} 2>/dev/null | grep ${IP}/)" != "" ]; then +         log_info_msg "Removing IPv4 address ${IP} from the ${1} interface..." +         ip addr del ${args} dev ${1} +         evaluate_retval +      fi + +      if [ -n "${GATEWAY}" ]; then +         # Only remove the gateway if there are no remaining ipv4 addresses +         if [ "$(ip addr show ${1} 2>/dev/null | grep 'inet ')" != "" ]; then +            log_info_msg "Removing default gateway..." +            ip route del default +            evaluate_retval +         fi +      fi +   ;; + +   *) +      echo "Usage: ${0} [interface] {up|down}" +      exit 1 +   ;; +esac + +# End /lib/services/ipv4-static  | 
