#!/usr/bin/perl
# Shell-based script to allocate arbitrary block
###
# SVN revision info
# $Date: 2012-10-18 20:53:10 +0000 (Thu, 18 Oct 2012) $
# SVN revision $Rev: 517 $
# Last update by $Author: kdeugau $
###

use strict;
use warnings;
use DBI;
use NetAddr::IP;

use Sys::Syslog;

# don't remove!  required for GNU/FHS-ish install from tarball
##uselib##

use MyIPDB;

openlog "IPDBshell","pid","$IPDB::syslog_facility";

# Collect the username from the environment.  If undefined, something
# is Officially Hosed.
my $authuser;
if (!defined($ENV{'USER'})) {
  die "Bad environment!  USER not defined.\n";
} else {
  $authuser = $ENV{'USER'};
}

# Why not a global DB handle?  (And a global statement handle, as well...)
# Use the connectDB function, otherwise we end up confusing ourselves
my $ip_dbh;
my $sth;
my $errstr;
($ip_dbh,$errstr) = connectDB_My;
die "Failed to connect to database: $errstr\n"
	if !$ip_dbh;

checkDBSanity($ip_dbh);
initIPDBGlobals($ip_dbh);

# Hokay, now we can start to handle the allocation.

my ($cidr, $type, $custid, $city, $desc, $alloc_from);
# Check ARGV.  We need some information to determine what to allocate.
if (!$ARGV[1]) {
  # Usage message
  print "Usage:  allocate.pl [IP/subnet] [Type] [CustID] [City] [\"Description\"]\n".
	"	Further information can be entered via the web interface\n";
  exit;
} else {
  $cidr = new NetAddr::IP "$ARGV[0]";
  $sth = $ip_dbh->prepare("select cidr from freeblocks where cidr >>='$cidr'");
  $sth->execute;
  my @data = $sth->fetchrow_array;
# User deserves errors if user can't be bothered to find the free block first.
  die "Can't allocate from outside a free block!!\n"
	if !$data[0];
  $alloc_from = new NetAddr::IP $data[0];
  $sth->finish;
  $type = $ARGV[1];
  if (!$ARGV[4]) {
    # Default desc
    $desc = "DEFAULT: $disp_alloctypes{$type}";
  } else {
    $desc = $ARGV[4];
  }
  if (!$ARGV[3]) {
    # Default city
    $sth = $ip_dbh->prepare("select city from routed where cidr >>='$cidr'");
    $sth->execute;
    my @data = $sth->fetchrow_array;
    $city = $data[0];
    $sth->finish;
  } else {
    $city = $ARGV[3];
  }
  if (!$ARGV[2]) {
    # Default custid - make it REAL obvious.
    $custid = "FIXME";
  } else {
    $custid = $ARGV[2];
  }
}

print "Allocating $cidr as $type to $custid in $city: '$desc'\n";

my ($code,$msg) = allocateBlock($ip_dbh, $cidr, $alloc_from, $custid, $type, $city,
	$desc, '', '');

if ($code eq 'OK') {
  print "Allocation OK!\n";
  syslog "notice", "($authuser) Allocated '$cidr' to '$custid' as '$type'";
} else {
  print "Allocation failed!  IPDB::allocateBlock said:\n$msg\n";
  syslog "err", "($authuser) Allocation of '$cidr' to '$custid' as '$type' failed: '$msg'";
}

# Close it down.
finish($ip_dbh);