diff options
Diffstat (limited to 'src/usr/local/www/services_dhcp_relay.php')
| -rw-r--r-- | src/usr/local/www/services_dhcp_relay.php | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/src/usr/local/www/services_dhcp_relay.php b/src/usr/local/www/services_dhcp_relay.php new file mode 100644 index 0000000..8559f4b --- /dev/null +++ b/src/usr/local/www/services_dhcp_relay.php @@ -0,0 +1,229 @@ +<?php +/* + services_dhcp_relay.php +*/ +/* ==================================================================== + * Copyright (c) 2004-2015 Electric Sheep Fencing, LLC. All rights reserved. + * Copyright (c) 22003-2004 Justin Ellison <justin@techadvise.com> + * Copyright (c) 22010 Ermal Luçi + * + * 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. + * + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgment: + * "This product includes software developed by the pfSense Project + * for use in the pfSense software distribution. (http://www.pfsense.org/). + * + * 4. The names "pfSense" and "pfSense Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * coreteam@pfsense.org. + * + * 5. Products derived from this software may not be called "pfSense" + * nor may "pfSense" appear in their names without prior written + * permission of the Electric Sheep Fencing, LLC. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * + * "This product includes software developed by the pfSense Project + * for use in the pfSense software distribution (http://www.pfsense.org/). + * + * THIS SOFTWARE IS PROVIDED BY THE pfSense PROJECT ``AS IS'' AND ANY + * EXPRESSED 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 pfSense PROJECT OR + * ITS 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. + * + * ==================================================================== + * + */ +/* + pfSense_MODULE: dhcprelay +*/ + +##|+PRIV +##|*IDENT=page-services-dhcprelay +##|*NAME=Services: DHCP Relay page +##|*DESCR=Allow access to the 'Services: DHCP Relay' page. +##|*MATCH=services_dhcp_relay.php* +##|-PRIV + +require("guiconfig.inc"); +require('classes/Form.class.php'); + +$pconfig['enable'] = isset($config['dhcrelay']['enable']); + +if (empty($config['dhcrelay']['interface'])) { + $pconfig['interface'] = array(); +} else { + $pconfig['interface'] = explode(",", $config['dhcrelay']['interface']); +} + +$pconfig['agentoption'] = isset($config['dhcrelay']['agentoption']); + +$iflist = array_intersect_key( + get_configured_interface_with_descr(), + array_flip( + array_filter( + array_keys(get_configured_interface_with_descr()), + function($if) { + return is_ipaddr(get_interface_ip($if)); + } + ) + ) +); + +/* set the enabled flag which will tell us if DHCP server is enabled + * on any interface. We will use this to disable dhcp-relay since + * the two are not compatible with each other. + */ +$dhcpd_enabled = false; +if (is_array($config['dhcpd'])) { + foreach ($config['dhcpd'] as $dhcpif => $dhcp) { + if (isset($dhcp['enable']) && isset($config['interfaces'][$dhcpif]['enable'])) { + $dhcpd_enabled = true; + break; + } + } +} + +if ($_POST) { + unset($input_errors); + + $pconfig = $_POST; + + /* input validation */ + if ($_POST['enable']) { + $reqdfields = explode(" ", "server interface"); + $reqdfieldsn = array(gettext("Destination Server"), gettext("Interface")); + + do_input_validation($_POST, $reqdfields, $reqdfieldsn, $input_errors); + + $svrlist = ''; + + if ($_POST['server']) { + foreach($_POST['server'] as $checksrv => $srv) { + if (!is_ipaddr($srv[0])) + $input_errors[] = gettext("A valid Destination Server IP address must be specified."); + + if(!empty($srv[0])) { // Filter out any empties + if(!empty($svrlist)) + $svrlist .= ','; + + $svrlist .= $srv[0]; + } + } + } + } + + // Now $svrlist is a comma separated list of servers ready to save to the config system + $pconfig['server'] = $svrlist; + + if (!$input_errors) { + $config['dhcrelay']['enable'] = $_POST['enable'] ? true : false; + $config['dhcrelay']['interface'] = implode(",", $_POST['interface']); + $config['dhcrelay']['agentoption'] = $_POST['agentoption'] ? true : false; + $config['dhcrelay']['server'] = $pconfig['server']; + + write_config(); + + $retval = 0; + $retval = services_dhcrelay_configure(); + $savemsg = get_std_save_message($retval); + + } +} + +$closehead = false; +$pgtitle = array(gettext("Services"), gettext("DHCP Relay")); +$shortcut_section = "dhcp"; +include("head.inc"); + +if ($dhcpd_enabled) { + echo '<div class="alert alert-danger">DHCP Server is currently enabled. Cannot enable the DHCP Relay service while the DHCP Server is enabled on any interface.</div>'; + include("foot.inc"); + exit; +} + +if ($input_errors) + print_input_errors($input_errors); + +if ($savemsg) + print_info_box($savemsg, 'success'); + +$form = new Form; + +$section = new Form_Section('DHCP Relay configuration'); + +$section->addInput(new Form_Checkbox( + 'enable', + 'Enable', + 'Enable DHCP relay on interface', + $pconfig['enable'] +))->toggles('.form-group:not(:first-child)'); + +$section->addInput(new Form_Select( + 'interface', + 'Interface(s)', + $pconfig['interface'], + $iflist, + true +))->setHelp('Interfaces without an IP address will not be shown.'); + +$section->addInput(new Form_Checkbox( + 'agentoption', + '', + 'Append circuit ID and agent ID to requests', + 'yes', + $pconfig['agentoption'] +))->setHelp( + 'If this is checked, the DHCP relay will append the circuit ID (%s interface number) and the agent ID to the DHCP request.', + [$g['product_name']] +); + +//Small function to prevent duplicate code +function createDestinationServerInputGroup($value = null) +{ + $group = new Form_Group('Destination server'); + + $group->add(new Form_IpAddress( + 'server', + 'Destination server', + $value + ))->setWidth(4)->setHelp( + 'This is the IP address of the server to which DHCP requests are relayed.' + )->setIsRepeated(); + + $group->enableDuplication(null, true); // Buttons are in-line with the input + return $group; +} + +if (!isset($pconfig['server']) || count($pconfig['server']) < 1) + $section->add(createDestinationServerInputGroup()); +else { + foreach (explode(',', $pconfig['server']) as $server) { + $section->add(createDestinationServerInputGroup($server)); + } +} + +$form->add($section); +print $form; + +include("foot.inc");
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