<?php
//-
// Copyright (c) 2011-2016 Joe Clarke <jclarke@cisco.com>
// 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.

include_once 'db.inc.php';
include_once 'swreg/swreg.inc.php';
include_once 'swreg_creds.inc.php';
require_once 'Log.php';
require_once 'functions.php';

$dsn = "$db_driver:host=$db_host;dbname=$db_name";

$options = [
    PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
    PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
    PDO::ATTR_EMULATE_PREPARES => false,
];

if (EXPORT_PRIME === false) {
    exit(0);
}

try {
    $dbh = new PDO($dsn, $db_user, $db_pass, $options);
} catch (PDOException $e) {
    die($e->getMessage());
}

$logger = Log::singleton('file', LOGFILE, TOOL_NAME . ' : Exporter');
if ($logger === false) {
    die("Failed to open logfile.\n");
}
$mask = Log::MAX(LOG_LEVEL);
$logger->setMask($mask);

$base = get_base($_SERVER['SCRIPT_NAME']);

$sql = 'SELECT * FROM DEVICE_MAP WHERE checked_out=1';
$res = null;
try {
    $res = $dbh->query($sql);
} catch (PDOException $e) {
    echo "<p><font color=\"red\">Error querying for physical switches: {$e->getMessage()}</font></p>\r\n";
    exit(1);
}

$p['authentication']['user'] = PRIME_API_USER;
$p['authentication']['password'] = PRIME_API_PASS;

$url = PRIME_URL . '/webacs/api/v1/op/devices/bulkImport.json';
$d['devicesImport']['devices']['device'] = array();
$dns_devices = array();

//$csv_file = array("ip_address,snmp_version,snmp_community,snmp_retries,snmp_timeout,protocol,cli_username,cli_password,cli_enable_password,cli_timeout,snmpv3_user_name,snmpv3_auth_type,snmpv3_auth_password,snmpv3_privacy_type,snmpv3_privacy_password,http_server,http_port,http_config_username,http_config_password,http_monitor_username,http_monitor_password,udf:Serial Number");
while ($row = $res->fetch()) {
    $sql = "SELECT ip_address FROM SWITCHES WHERE name = '{$row['assigned_switch']}'";
    $sw_res = null;
    try {
        $sw_res = $dbh->query($sql);
    } catch (PDOException $e) {
        echo "<p><font color=\"red\">Error querying for IP address for {$row['assigned_switch']}: {$e->getMessage()}</font></p>\r\n";
        continue;
    }
    $sw_row = $sw_res->fetch();
    $device['ipAddress'] = $sw_row['ip_address'];
    $device['credentialProfileName'] = PRIME_CRED_PROFILE;
    $device['udfs']['udf'] = array();
    $dns_device['ip'] = $sw_row['ip_address'];
    $dns_device['name'] = $row['assigned_switch'];
    $sn['name'] = 'Serial Number';
    $sn['value'] = $row['serial_number'];
    array_push($device['udfs']['udf'], $sn);
    array_push($d['devicesImport']['devices']['device'], $device);
    array_push($dns_devices, $dns_device);
    unset($device);
}

$json = json_encode($d);
$p['put'] = $json;
$p['header']['Content-Type'] = 'application/json';

$res = get_PI_REST($url, $p);
$errors = array();
$dns_pass = DNS_PASS;
$dns_user = DNS_USER;
$dns_server = DNS_SERVER;
$dns_zone = DNS_ZONE;
$ztp_user = ZTP_USER;
if (!$res) {
    echo "<font color=\"red\">ERROR: Failed to export to PI</font>\n";
} else {
    foreach ($dns_devices as $device) {
        $out = `/usr/local/bin/sudo -u $ztp_user /usr/bin/ssh -2 root@$dns_server /opt/nwreg2/local/usrbin/nrcmd -N $dns_user -P $dns_pass zone $dns_zone showHost {$device['name']}`;
        if (preg_match('/302 Not Found/', $out)) {
            $out = `/usr/local/bin/sudo -u $ztp_user /usr/bin/ssh -2 root@$dns_server /opt/nwreg2/local/usrbin/nrcmd -N $dns_user -P $dns_pass zone $dns_zone addHost {$device['name']} {$device['ip']}`;
            if (!preg_match('/100 Ok/', $out)) {
                array_push($errors, "Error adding entry for {$device['name']}: '$out'");
            }
        } else {
            preg_match('/([^:]+): addr=([^;]+)/', $out, $matches);
            $h = $matches[1];
            $a = $matches[2];
            if ($a != $device['ip']) {
                $out = `/usr/local/bin/sudo -u $ztp_user /usr/bin/ssh -2 root@$dns_server /opt/nwreg2/local/usrbin/nrcmd -N $dns_user -P $dns_pass zone $dns_zone removeHost {$device['name']}`;
                if (!preg_match('/100 Ok/', $out)) {
                    array_push($errors, "Failed to remove host {$device['name']}: '$out'");
                    continue;
                }

                $out = `/usr/local/bin/sudo -u $ztp_user /usr/bin/ssh -2 root@$dns_server /opt/nwreg2/local/usrbin/nrcmd -N $dns_user -P $dns_pass zone $dns_zone addHost {$device['name']} {$device['ip']}`;
                if (!preg_match('/100 Ok/', $out)) {
                    array_push($errors, "Error adding entry for {$device['name']}: '$out'");
                }
            }
        }
    }
    cleanup();
    if (count($errors) > 0) {
        echo "<font color=\"red\">ERROR: Failed to add entries to DNS:<br/></font>\n";
        echo implode('<br/>', $errors);
    } else {
        ?>
        <script language="Javascript">
            window.close();
        </script>
        <?php

    }
}

?>