#!/bin/ksh
# IBM_PROLOG_BEGIN_TAG 
# This is an automatically generated prolog. 
#  
# bos720 src/bos/usr/lib/nim/methods/c_cp_resolv.sh 1.1.1.2 
#  
# Licensed Materials - Property of IBM 
#  
# Restricted Materials of IBM 
#  
# COPYRIGHT International Business Machines Corp. 1995,2011 
# All Rights Reserved 
#  
# US Government Users Restricted Rights - Use, duplication or 
# disclosure restricted by GSA ADP Schedule Contract with IBM Corp. 
#  
# IBM_PROLOG_END_TAG 
# @(#)82        1.1.1.2  src/bos/usr/lib/nim/methods/c_cp_resolv.sh, cmdnim, bos720 7/15/11 03:13:47
#   COMPONENT_NAME: CMDNIM
#
#   FUNCTIONS: ./usr/lib/nim/methods/c_cp_resolv.sh
#		
#
#   ORIGINS: 27
#
#
#   (C) COPYRIGHT International Business Machines Corp. 1995
#   All Rights Reserved
#   Licensed Materials - Property of IBM
#   US Government Users Restricted Rights - Use, duplication or
#   disclosure restricted by GSA ADP Schedule Contract with IBM Corp.

# 
NIMPATH=${0%/*}
NIMPATH=${NIMPATH%/*}

[[ ${NIMPATH} = ${0} ]] && NIMPATH=/usr/lpp/bos.sysmgt/nim
NIM_METHODS="${NIMPATH}/methods"

export NIMPATH NIM_METHODS

#
# "dot" include (source) the shell lib functions
#
. ${NIM_METHODS}/c_sh_lib

# --------------------------- local defines     

# --------------------------- module globals   
REQUIRED_ATTRS="location"
OPTIONAL_ATTRS=""
location=""

# ---------------------------- c_cp_resolv 
#
# NAME: c_cp_resolv
#
# FUNCTION:
#		sets up the /etc/resolv.conf file
#
# EXECUTION ENVIRONMENT:
#
# NOTES:
#
# RECOVERY OPERATION:
#
# DATA STRUCTURES:
#		parameters:
#		global:
#
# RETURNS: (int)
#		0	= no errors
#		>0	= failure
#
# OUTPUT:
# ----------------------------------------------------------------------------
#

# signal processing
trap cleanup 0
trap err_signal 1 2 11 15

# NIM initialization
nim_init

# initialize local variables
source=
rc=

# set parameters from command line
while getopts :a:qv c
do
	case ${c} in

		a)		# validate the attr ass
				parse_attr_ass "${OPTARG}"

				# include the assignment for use in this environment
				eval ${variable}=\"${value}\"
		;;

		q)		# show attr info
				cmd_what
				exit 0
		;;

		v)		# verbose mode (for debugging)
				set -x
				for i in $(typeset +f)
				do
					typeset -ft $i
				done
		;;

		\?)	# unknown option
				error ${ERR_BAD_OPT} ${OPTARG}
		;;
esac
done

#
# check for missing attrs
#
ck_attrs

#
# ensure local access to the file (local path returned via access_pnt)
#
nim_mount ${location}

#
# Check if an /etc/resolv.conf exists, if so save if off.
#
[[ -s ${RESOLV_CONF} ]] && ${NAMERSLV} -E ${RESOLV_CONF}.prev   

#
# Now copy the file from the NFS server and stick it in 
# /etc, if that fails and we have a prev version put it
# back....
#
${CP} ${access_pnt} ${RESOLV_CONF} 2>${ERR} &&
${CHMOD} 644 ${RESOLV_CONF} 2>${ERR} || {
	[[ -s ${RESOLV_CONF}.prev ]] && ${NAMERSLV} -B ${RESOLV_CONF}.prev   
	err_from_cmd ${CP}
}
# sweet success
exit 0