#!/bin/sh
#
# Copyright (c) 2012  TowardEX Technology Services Corporation
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
#       @(#)ipv6_reserve_ptr.sh  1.00 (towardEX) 5/6/2012
#


# i = 3   base-36 conversion begins at /64 range (3rd octet from left)


send_var=`echo "inet6 $1" | awk -v "hostname=${_hostname}" -v "action=${_action}" -v "ttl=${_ttl}" \
'! inet6 && /inet6 / && $2 !~ /^(fe80:|::1)/ {
        ip6[++j] = $2;
}
END {
  print "";
  for (j in ip6) {
        cols = gsub(/:/, ":", ip6[j]);
        zeroes = "";
        for (i = cols; i < 8; i++) {
                zeros = zeros ":0";
        }
        zeros = zeros ":";
        sub(/::/, zeros, ip6[j]);
        split(ip6[j], shorts, /:/);
        ip6str = "";
        for (i = 3; i <= 8; i++) {
                ip6str = ip6str substr("000" shorts[i],
                length(shorts[i]));
        }
        revstr = "";
        for (i = 1; i <= length(ip6str); i++) {
                revstr = revstr "" substr(ip6str, i, 1);
        }
        printf "%s\n", revstr;
  } 
}'`

./__netaddr_python.py $send_var

# EOF