.
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 ``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 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.
*/
##|+PRIV
##|*IDENT=page-firewall-rules-edit
##|*NAME=Firewall: Rules: Edit page
##|*DESCR=Allow access to the 'Firewall: Rules: Edit' page.
##|*MATCH=firewall_rules_edit.php*
##|-PRIV
require("guiconfig.inc");
$specialsrcdst = explode(" ", "any pptp pppoe l2tp");
$ifdisp = get_configured_interface_with_descr();
foreach ($ifdisp as $kif => $kdescr) {
$specialsrcdst[] = "{$kif}";
$specialsrcdst[] = "{$kif}ip";
}
if (!is_array($config['filter']['rule'])) {
$config['filter']['rule'] = array();
}
filter_rules_sort();
$a_filter = &$config['filter']['rule'];
$id = $_GET['id'];
if (is_numeric($_POST['id']))
$id = $_POST['id'];
$after = $_GET['after'];
if (isset($_POST['after']))
$after = $_POST['after'];
if (isset($_GET['dup'])) {
$id = $_GET['dup'];
$after = $_GET['dup'];
}
if (isset($id) && $a_filter[$id]) {
$pconfig['interface'] = $a_filter[$id]['interface'];
if (!isset($a_filter[$id]['type']))
$pconfig['type'] = "pass";
else
$pconfig['type'] = $a_filter[$id]['type'];
if (isset($a_filter[$id]['floating']) || $if == "FloatingRules") {
$pconfig['floating'] = $a_filter[$id]['floating'];
if (isset($a_filter[$id]['interface']) && $a_filter[$id]['interface'] <> "")
$pconfig['interface'] = $a_filter[$id]['interface'];
}
if (isset($a_filter['floating']))
$pconfig['floating'] = "yes";
if (isset($a_filter[$id]['direction']))
$pconfig['direction'] = $a_filter[$id]['direction'];
if (isset($a_filter[$id]['protocol']))
$pconfig['proto'] = $a_filter[$id]['protocol'];
else
$pconfig['proto'] = "any";
if ($a_filter[$id]['protocol'] == "icmp")
$pconfig['icmptype'] = $a_filter[$id]['icmptype'];
address_to_pconfig($a_filter[$id]['source'], $pconfig['src'],
$pconfig['srcmask'], $pconfig['srcnot'],
$pconfig['srcbeginport'], $pconfig['srcendport']);
if($a_filter[$id]['os'] <> "")
$pconfig['os'] = $a_filter[$id]['os'];
address_to_pconfig($a_filter[$id]['destination'], $pconfig['dst'],
$pconfig['dstmask'], $pconfig['dstnot'],
$pconfig['dstbeginport'], $pconfig['dstendport']);
if ($a_filter[$id]['dscp'] <> "")
$pconfig['dscp'] = $a_filter[$id]['dscp'];
$pconfig['disabled'] = isset($a_filter[$id]['disabled']);
$pconfig['log'] = isset($a_filter[$id]['log']);
$pconfig['descr'] = $a_filter[$id]['descr'];
if (isset($a_filter[$id]['tag']) && $a_filter[$id]['tag'] <> "")
$pconfig['tag'] = $a_filter[$id]['tag'];
if (isset($a_filter[$id]['tagged']) && $a_filter[$id]['tagged'] <> "")
$pconfig['tagged'] = $a_filter[$id]['tagged'];
if (isset($a_filter[$id]['quick']) && $a_filter[$id]['quick'])
$pconfig['quick'] = $a_filter[$id]['quick'];
if (isset($a_filter[$id]['allowopts']))
$pconfig['allowopts'] = true;
/* advanced */
$pconfig['max-src-nodes'] = $a_filter[$id]['max-src-nodes'];
$pconfig['max-src-states'] = $a_filter[$id]['max-src-states'];
$pconfig['statetype'] = $a_filter[$id]['statetype'];
$pconfig['statetimeout'] = $a_filter[$id]['statetimeout'];
$pconfig['nosync'] = isset($a_filter[$id]['nosync']);
/* advanced - new connection per second banning*/
$pconfig['max-src-conn-rate'] = $a_filter[$id]['max-src-conn-rate'];
$pconfig['max-src-conn-rates'] = $a_filter[$id]['max-src-conn-rates'];
/* Multi-WAN next-hop support */
$pconfig['gateway'] = $a_filter[$id]['gateway'];
/* Shaper support */
$pconfig['defaultqueue'] = $a_filter[$id]['defaultqueue'];
$pconfig['ackqueue'] = $a_filter[$id]['ackqueue'];
$pconfig['dnpipe'] = $a_filter[$id]['dnpipe'];
$pconfig['pdnpipe'] = $a_filter[$id]['pdnpipe'];
$pconfig['l7container'] = $a_filter[$id]['l7container'];
//schedule support
$pconfig['sched'] = $a_filter[$id]['sched'];
} else {
/* defaults */
if ($_GET['if'])
$pconfig['interface'] = $_GET['if'];
$pconfig['type'] = "pass";
$pconfig['src'] = "any";
$pconfig['dst'] = "any";
}
/* Allow the FlotingRules to work */
$if = $pconfig['interface'];
if (isset($_GET['dup']))
unset($id);
if ($_POST) {
if ($_POST['type'] == "reject" && $_POST['proto'] <> "tcp")
$input_errors[] = "Reject type rules only works when the protocol is set to TCP.";
if (($_POST['proto'] != "tcp") && ($_POST['proto'] != "udp") && ($_POST['proto'] != "tcp/udp")) {
$_POST['srcbeginport'] = 0;
$_POST['srcendport'] = 0;
$_POST['dstbeginport'] = 0;
$_POST['dstendport'] = 0;
} else {
if ($_POST['srcbeginport_cust'] && !$_POST['srcbeginport'])
$_POST['srcbeginport'] = $_POST['srcbeginport_cust'];
if ($_POST['srcendport_cust'] && !$_POST['srcendport'])
$_POST['srcendport'] = $_POST['srcendport_cust'];
if ($_POST['srcbeginport'] == "any") {
$_POST['srcbeginport'] = 0;
$_POST['srcendport'] = 0;
} else {
if (!$_POST['srcendport'])
$_POST['srcendport'] = $_POST['srcbeginport'];
}
if ($_POST['srcendport'] == "any")
$_POST['srcendport'] = $_POST['srcbeginport'];
if ($_POST['dstbeginport_cust'] && !$_POST['dstbeginport'])
$_POST['dstbeginport'] = $_POST['dstbeginport_cust'];
if ($_POST['dstendport_cust'] && !$_POST['dstendport'])
$_POST['dstendport'] = $_POST['dstendport_cust'];
if ($_POST['dstbeginport'] == "any") {
$_POST['dstbeginport'] = 0;
$_POST['dstendport'] = 0;
} else {
if (!$_POST['dstendport'])
$_POST['dstendport'] = $_POST['dstbeginport'];
}
if ($_POST['dstendport'] == "any")
$_POST['dstendport'] = $_POST['dstbeginport'];
}
if (is_specialnet($_POST['srctype'])) {
$_POST['src'] = $_POST['srctype'];
$_POST['srcmask'] = 0;
} else if ($_POST['srctype'] == "single") {
$_POST['srcmask'] = 32;
}
if (is_specialnet($_POST['dsttype'])) {
$_POST['dst'] = $_POST['dsttype'];
$_POST['dstmask'] = 0;
} else if ($_POST['dsttype'] == "single") {
$_POST['dstmask'] = 32;
}
unset($input_errors);
$pconfig = $_POST;
/* run through $_POST items encoding HTML entties so that the user
* cannot think he is slick and perform a XSS attack on the unwilling
*/
foreach ($_POST as $key => $value) {
$temp = $value;
if (isset($_POST['floating']) && $key == "interface")
continue;
$newpost = htmlentities($temp);
if($newpost <> $temp)
$input_errors[] = "Invalid characters detected ($temp). Please remove invalid characters and save again.";
}
/* input validation */
$reqdfields = explode(" ", "type proto src dst");
$reqdfieldsn = explode(",", "Type,Protocol,Source,Destination");
if($_POST['statetype'] == "modulate state" or $_POST['statetype'] == "synproxy state") {
if( $_POST['proto'] != "tcp" )
$input_errors[] = "{$_POST['statetype']} is only valid with protocol tcp.";
if(($_POST['statetype'] == "synproxy state") && ($_POST['gateway'] != ""))
$input_errors[] = "{$_POST['statetype']} is only valid if the gateway is set to 'default'.";
}
if (!(is_specialnet($_POST['srctype']) || ($_POST['srctype'] == "single"))) {
$reqdfields[] = "srcmask";
$reqdfieldsn[] = "Source bit count";
}
if (!(is_specialnet($_POST['dsttype']) || ($_POST['dsttype'] == "single"))) {
$reqdfields[] = "dstmask";
$reqdfieldsn[] = "Destination bit count";
}
do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
if (!$_POST['srcbeginport']) {
$_POST['srcbeginport'] = 0;
$_POST['srcendport'] = 0;
}
if (!$_POST['dstbeginport']) {
$_POST['dstbeginport'] = 0;
$_POST['dstendport'] = 0;
}
if (($_POST['srcbeginport'] && !alias_expand($_POST['srcbeginport']) && !is_port($_POST['srcbeginport']))) {
$input_errors[] = "The start source port must be an alias or integer between 1 and 65535.";
}
if (($_POST['srcendport'] && !alias_expand($_POST['srcendport']) && !is_port($_POST['srcendport']))) {
$input_errors[] = "The end source port must be an alias or integer between 1 and 65535.";
}
if (($_POST['dstbeginport'] && !alias_expand($_POST['dstbeginport']) && !is_port($_POST['dstbeginport']))) {
$input_errors[] = "The start destination port must be an alias or integer between 1 and 65535.";
}
if (($_POST['dstendport'] && !alias_expand($_POST['dstbeginport']) && !is_port($_POST['dstendport']))) {
$input_errors[] = "The end destination port must be an alias or integer between 1 and 65535.";
}
/* if user enters an alias and selects "network" then disallow. */
if($_POST['srctype'] == "network") {
if(is_alias($_POST['src']))
$input_errors[] = "You must specify single host or alias for alias entries.";
}
if($_POST['dsttype'] == "network") {
if(is_alias($_POST['dst']))
$input_errors[] = "You must specify single host or alias for alias entries.";
}
if (!is_specialnet($_POST['srctype'])) {
if (($_POST['src'] && !is_ipaddroranyalias($_POST['src']))) {
$input_errors[] = "A valid source IP address or alias must be specified.";
}
if (($_POST['srcmask'] && !is_numericint($_POST['srcmask']))) {
$input_errors[] = "A valid source bit count must be specified.";
}
}
if (!is_specialnet($_POST['dsttype'])) {
if (($_POST['dst'] && !is_ipaddroranyalias($_POST['dst']))) {
$input_errors[] = "A valid destination IP address or alias must be specified.";
}
if (($_POST['dstmask'] && !is_numericint($_POST['dstmask']))) {
$input_errors[] = "A valid destination bit count must be specified.";
}
}
if ($_POST['srcbeginport'] > $_POST['srcendport']) {
/* swap */
$tmp = $_POST['srcendport'];
$_POST['srcendport'] = $_POST['srcbeginport'];
$_POST['srcbeginport'] = $tmp;
}
if ($_POST['dstbeginport'] > $_POST['dstendport']) {
/* swap */
$tmp = $_POST['dstendport'];
$_POST['dstendport'] = $_POST['dstbeginport'];
$_POST['dstbeginport'] = $tmp;
}
if ($_POST['os'])
if( $_POST['proto'] != "tcp" )
$input_errors[] = "OS detection is only valid with protocol tcp.";
if ($_POST['ackqueue'] && $_POST['ackqueue'] != "none") {
if ($_POST['defaultqueue'] == "none" )
$input_errors[] = "You have to select a queue when you select an acknowledge queue too.";
else if ($_POST['ackqueue'] == $_POST['defaultqueue'])
$input_errors[] = "Acknowledge queue and Queue cannot be the same.";
}
if ($_POST['pdnpipe'] && $_POST['pdnpipe'] != "none") {
if ($_POST['dnpipe'] == "none" )
$input_errors[] = "You must select a queue for the In direction before selecting one for Out too.";
else if ($_POST['pdnpipe'] == $_POST['dnpipe'])
$input_errors[] = "In and Out Queue cannot be the same.";
else if ($pdnpipe[0] == "?" && $dnpipe[0] <> "?")
$input_errors[] = "You cannot select one queue and one virtual interface for IN and Out. both must be from the same type.";
else if ($dnpipe[0] == "?" && $pdnpipe[0] <> "?")
$input_errors[] = "You cannot select one queue and one virtual interface for IN and Out. both must be from the same type.";
}
if($_POST['l7container'] && $_POST['l7container'] != "none") {
if(!($_POST['proto'] == "tcp" || $_POST['proto'] == "udp" || $_POST['proto'] == "tcp/udp"))
$input_errors[] = "You can only select a layer7 container for tcp and/or udp protocols";
if ($_POST['type'] <> "pass")
$input_errors[] = "You can only select a layer7 container for Pass type rules.";
}
if (!$input_errors) {
$filterent = array();
$filterent['type'] = $_POST['type'];
if (isset($_POST['interface'] ))
$filterent['interface'] = $_POST['interface'];
if ($if == "FloatingRules" || isset($_POST['floating'])) {
if (isset($_POST['tag']))
$filterent['tag'] = $_POST['tag'];
if (isset($_POST['tagged']))
$filterent['tagged'] = $_POST['tagged'];
$filterent['direction'] = $_POST['direction'];
if (isset($_POST['quick']) && $_POST['quick'] <> "")
$filterent['quick'] = $_POST['quick'];
$filterent['floating'] = "yes";
if (isset($_POST['interface']) && count($_POST['interface']) > 0) {
$filterent['interface'] = implode(",", $_POST['interface']);
}
}
/* Advanced options */
if ($_POST['allowopts'] == "yes")
$filterent['allowopts'] = true;
else
unset($filterent['allowopts']);
$filterent['max-src-nodes'] = $_POST['max-src-nodes'];
$filterent['max-src-states'] = $_POST['max-src-states'];
$filterent['statetimeout'] = $_POST['statetimeout'];
$filterent['statetype'] = $_POST['statetype'];
$filterent['os'] = $_POST['os'];
/* Nosync directive - do not xmlrpc sync this item */
if($_POST['nosync'] <> "")
$filterent['nosync'] = true;
else
unset($filterent['nosync']);
/* unless both values are provided, unset the values - ticket #650 */
if($_POST['max-src-conn-rate'] <> "" and $_POST['max-src-conn-rates'] <> "") {
$filterent['max-src-conn-rate'] = $_POST['max-src-conn-rate'];
$filterent['max-src-conn-rates'] = $_POST['max-src-conn-rates'];
} else {
unset($filterent['max-src-conn-rate']);
unset($filterent['max-src-conn-rates']);
}
if ($_POST['proto'] != "any")
$filterent['protocol'] = $_POST['proto'];
else
unset($filterent['protocol']);
if ($_POST['proto'] == "icmp" && $_POST['icmptype'])
$filterent['icmptype'] = $_POST['icmptype'];
else
unset($filterent['icmptype']);
pconfig_to_address($filterent['source'], $_POST['src'],
$_POST['srcmask'], $_POST['srcnot'],
$_POST['srcbeginport'], $_POST['srcendport']);
pconfig_to_address($filterent['destination'], $_POST['dst'],
$_POST['dstmask'], $_POST['dstnot'],
$_POST['dstbeginport'], $_POST['dstendport']);
if ($_POST['disabled'])
$filterent['disabled'] = true;
else
unset($filterent['disabled']);
if ($_POST['dscp'])
$filterent['dscp'] = $_POST['dscp'];
if ($_POST['log'])
$filterent['log'] = true;
else
unset($filterent['log']);
strncpy($filterent['descr'], $_POST['descr'], 52);
if ($_POST['gateway'] != "") {
$filterent['gateway'] = $_POST['gateway'];
}
if (isset($_POST['defaultqueue']) && $_POST['defaultqueue'] != "none") {
$filterent['defaultqueue'] = $_POST['defaultqueue'];
if (isset($_POST['ackqueue']) && $_POST['ackqueue'] != "none")
$filterent['ackqueue'] = $_POST['ackqueue'];
}
if (isset($_POST['dnpipe']) && $_POST['dnpipe'] != "none") {
$filterent['dnpipe'] = $_POST['dnpipe'];
if (isset($_POST['pdnpipe']) && $_POST['pdnpipe'] != "none")
$filterent['pdnpipe'] = $_POST['pdnpipe'];
}
if (isset($_POST['l7container']) && $_POST['l7container'] != "none") {
$filterent['l7container'] = $_POST['l7container'];
}
if ($_POST['sched'] != "") {
$filterent['sched'] = $_POST['sched'];
}
if (isset($id) && $a_filter[$id])
$a_filter[$id] = $filterent;
else {
if (is_numeric($after))
array_splice($a_filter, $after+1, 0, array($filterent));
else
$a_filter[] = $filterent;
}
write_config();
mark_subsystem_dirty('filter');
if (isset($_POST['floating']))
header("Location: firewall_rules.php?if=FloatingRules");
else
header("Location: firewall_rules.php?if=" . $_POST['interface']);
exit;
}
}
read_altq_config(); /* XXX: */
$qlist =& get_unique_queue_list();
read_dummynet_config(); /* XXX: */
$dnqlist =& get_unique_dnqueue_list();
read_layer7_config();
$l7clist =& get_l7_unique_list();
$pgtitle = array("Firewall","Rules","Edit");
$closehead = false;
$page_filename = "firewall_rules_edit.php";
include("head.inc");
?>