mirror of
https://github.com/lucaspalomodevelop/core.git
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(legacy) merge openvpn.attributes.php into openvpn.auth-user.php
This commit is contained in:
Ad Schellevis
parent
d8d58b50c7
commit
100c1d7dd7
@ -1,186 +0,0 @@
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<?php
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/*
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Copyright (C) 2011-2012 Ermal Luçi
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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require_once("util.inc");
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if (empty($common_name)) {
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$common_name = getenv("common_name");
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if (empty($common_name))
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$common_name = getenv("username");
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}
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$devname = getenv("dev");
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if (empty($devname))
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$devname = "openvpn";
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function cisco_to_cidr($addr) {
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if (!is_ipaddr($addr))
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return 0;
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$mask = decbin(~ip2long($addr));
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$mask = substr($mask, -32);
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$k = 0;
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for ($i = 0; $i <= 32; $i++) {
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$k += intval($mask[$i]);
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}
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return $k;
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}
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function cisco_extract_index($prule) {
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$index = explode("#", $prule);
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if (is_numeric($index[1]))
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return intval($index[1]);
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else
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syslog(LOG_WARNING, "Error parsing rule {$prule}: Could not extract index");
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return -1;;
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}
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function parse_cisco_acl($attribs) {
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global $devname, $attributes;
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if (!is_array($attribs))
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return "";
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$finalrules = "";
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if (is_array($attribs['ciscoavpair'])) {
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$inrules = array();
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$outrules = array();
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foreach ($attribs['ciscoavpair'] as $avrules) {
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$rule = explode("=", $avrules);
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$dir = "";
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if (strstr($rule[0], "inacl")) {
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$dir = "in";
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} else if (strstr($rule[0], "outacl"))
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$dir = "out";
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else if (strstr($rule[0], "dns-servers")) {
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$attributes['dns-servers'] = explode(" ", $rule[1]);
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continue;
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} else if (strstr($rule[0], "route")) {
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if (!is_array($attributes['routes']))
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$attributes['routes'] = array();
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$attributes['routes'][] = $rule[1];
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continue;
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}
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$rindex = cisco_extract_index($rule[0]);
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if ($rindex < 0)
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continue;
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$rule = $rule[1];
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$rule = explode(" ", $rule);
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$tmprule = "";
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$index = 0;
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$isblock = false;
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if ($rule[$index] == "permit")
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$tmprule = "pass {$dir} quick on {$devname} ";
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else if ($rule[$index] == "deny") {
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//continue;
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$isblock = true;
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$tmprule = "block {$dir} quick on {$devname} ";
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} else {
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continue;
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}
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$index++;
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switch ($rule[$index]) {
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case "tcp":
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case "udp":
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$tmprule .= "proto {$rule[$index]} ";
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break;
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}
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$index++;
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/* Source */
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if (trim($rule[$index]) == "host") {
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$index++;
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$tmprule .= "from {$rule[$index]} ";
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$index++;
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if ($isblock == true)
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$isblock = false;
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} else if (trim($rule[$index]) == "any") {
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$tmprule .= "from any";
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$index++;
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} else {
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$tmprule .= "from {$rule[$index]}";
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$index++;
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$netmask = cisco_to_cidr($rule[$index]);
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$tmprule .= "/{$netmask} ";
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$index++;
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if ($isblock == true)
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$isblock = false;
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}
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/* Destination */
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if (trim($rule[$index]) == "host") {
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$index++;
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$tmprule .= "to {$rule[$index]} ";
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$index++;
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if ($isblock == true)
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$isblock = false;
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} else if (trim($rule[$index]) == "any") {
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$index++;
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$tmprule .= "to any";
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} else {
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$tmprule .= "to {$rule[$index]}";
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$index++;
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$netmask = cisco_to_cidr($rule[$index]);
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$tmprule .= "/{$netmask} ";
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$index++;
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if ($isblock == true)
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$isblock = false;
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}
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if ($isblock == true)
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continue;
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if ($dir == "in")
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$inrules[$rindex] = $tmprule;
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else if ($dir == "out")
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$outrules[$rindex] = $tmprule;
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}
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$state = "";
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if (!empty($outrules))
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$state = "no state";
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ksort($inrules, SORT_NUMERIC);
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foreach ($inrules as $inrule)
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$finalrules .= "{$inrule} {$state}\n";
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if (!empty($outrules)) {
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ksort($outrules, SORT_NUMERIC);
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foreach ($outrules as $outrule)
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$finalrules .= "{$outrule} {$state}\n";
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}
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}
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return $finalrules;
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}
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$rules = parse_cisco_acl($attributes);
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if (!empty($rules)) {
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$pid = getmypid();
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@file_put_contents("/tmp/ovpn_{$pid}{$common_name}.rules", $rules);
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mwexec("/sbin/pfctl -a " . escapeshellarg("openvpn/{$common_name}") . " -f /tmp/ovpn_{$pid}" . escapeshellarg($common_name) . ".rules");
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@unlink("/tmp/ovpn_{$pid}{$common_name}.rules");
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}
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@ -40,6 +40,147 @@ require_once("auth.inc");
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require_once("util.inc");
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require_once("interfaces.inc");
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function cisco_to_cidr($addr) {
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if (!is_ipaddr($addr))
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return 0;
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$mask = decbin(~ip2long($addr));
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$mask = substr($mask, -32);
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$k = 0;
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for ($i = 0; $i <= 32; $i++) {
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$k += intval($mask[$i]);
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}
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return $k;
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}
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function cisco_extract_index($prule) {
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$index = explode("#", $prule);
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if (is_numeric($index[1]))
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return intval($index[1]);
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else
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syslog(LOG_WARNING, "Error parsing rule {$prule}: Could not extract index");
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return -1;;
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}
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function parse_cisco_acl($attribs) {
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global $devname, $attributes;
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if (!is_array($attribs))
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return "";
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$finalrules = "";
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if (is_array($attribs['ciscoavpair'])) {
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$inrules = array();
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$outrules = array();
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foreach ($attribs['ciscoavpair'] as $avrules) {
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$rule = explode("=", $avrules);
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$dir = "";
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if (strstr($rule[0], "inacl")) {
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$dir = "in";
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} else if (strstr($rule[0], "outacl"))
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$dir = "out";
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else if (strstr($rule[0], "dns-servers")) {
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$attributes['dns-servers'] = explode(" ", $rule[1]);
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continue;
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} else if (strstr($rule[0], "route")) {
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if (!is_array($attributes['routes']))
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$attributes['routes'] = array();
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$attributes['routes'][] = $rule[1];
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continue;
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}
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$rindex = cisco_extract_index($rule[0]);
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if ($rindex < 0)
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continue;
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$rule = $rule[1];
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$rule = explode(" ", $rule);
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$tmprule = "";
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$index = 0;
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$isblock = false;
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if ($rule[$index] == "permit")
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$tmprule = "pass {$dir} quick on {$devname} ";
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else if ($rule[$index] == "deny") {
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//continue;
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$isblock = true;
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$tmprule = "block {$dir} quick on {$devname} ";
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} else {
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continue;
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}
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$index++;
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switch ($rule[$index]) {
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case "tcp":
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case "udp":
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$tmprule .= "proto {$rule[$index]} ";
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break;
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}
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$index++;
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/* Source */
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if (trim($rule[$index]) == "host") {
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$index++;
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$tmprule .= "from {$rule[$index]} ";
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$index++;
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if ($isblock == true)
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$isblock = false;
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} else if (trim($rule[$index]) == "any") {
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$tmprule .= "from any";
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$index++;
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} else {
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$tmprule .= "from {$rule[$index]}";
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$index++;
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$netmask = cisco_to_cidr($rule[$index]);
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$tmprule .= "/{$netmask} ";
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$index++;
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if ($isblock == true)
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$isblock = false;
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}
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/* Destination */
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if (trim($rule[$index]) == "host") {
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$index++;
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$tmprule .= "to {$rule[$index]} ";
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$index++;
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if ($isblock == true)
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$isblock = false;
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} else if (trim($rule[$index]) == "any") {
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$index++;
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$tmprule .= "to any";
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} else {
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$tmprule .= "to {$rule[$index]}";
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$index++;
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$netmask = cisco_to_cidr($rule[$index]);
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$tmprule .= "/{$netmask} ";
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$index++;
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if ($isblock == true)
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$isblock = false;
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}
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if ($isblock == true)
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continue;
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if ($dir == "in")
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$inrules[$rindex] = $tmprule;
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else if ($dir == "out")
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$outrules[$rindex] = $tmprule;
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}
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$state = "";
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if (!empty($outrules))
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$state = "no state";
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ksort($inrules, SORT_NUMERIC);
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foreach ($inrules as $inrule)
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$finalrules .= "{$inrule} {$state}\n";
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if (!empty($outrules)) {
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ksort($outrules, SORT_NUMERIC);
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foreach ($outrules as $outrule)
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$finalrules .= "{$outrule} {$state}\n";
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}
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}
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return $finalrules;
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}
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/**
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* Get the NAS-Identifier
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*
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@ -134,7 +275,24 @@ if ($authenticated == false) {
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exit(-1);
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}
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@include_once('openvpn.attributes.php');
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if (empty($common_name)) {
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$common_name = getenv("common_name");
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if (empty($common_name))
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$common_name = getenv("username");
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}
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$devname = getenv("dev");
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if (empty($devname))
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$devname = "openvpn";
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$rules = parse_cisco_acl($attributes);
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if (!empty($rules)) {
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$pid = getmypid();
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@file_put_contents("/tmp/ovpn_{$pid}{$common_name}.rules", $rules);
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mwexec("/sbin/pfctl -a " . escapeshellarg("openvpn/{$common_name}") . " -f /tmp/ovpn_{$pid}" . escapeshellarg($common_name) . ".rules");
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@unlink("/tmp/ovpn_{$pid}{$common_name}.rules");
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}
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$content = "";
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if (is_array($attributes['dns-servers'])) {
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