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Commit 100c1d7d authored by Ad Schellevis's avatar Ad Schellevis
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(legacy) merge openvpn.attributes.php into openvpn.auth-user.php

parent d8d58b50
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Showing with 159 additions and 187 deletions
src/etc/inc/openvpn.attributes.php deleted 100644 → 0
View file @ d8d58b50
<?php
/*
Copyright (C) 2011-2012 Ermal Luçi
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.
*/
require_once("util.inc");
if (empty($common_name)) {
$common_name = getenv("common_name");
if (empty($common_name))
$common_name = getenv("username");
}
$devname = getenv("dev");
if (empty($devname))
$devname = "openvpn";
function cisco_to_cidr($addr) {
if (!is_ipaddr($addr))
return 0;
$mask = decbin(~ip2long($addr));
$mask = substr($mask, -32);
$k = 0;
for ($i = 0; $i <= 32; $i++) {
$k += intval($mask[$i]);
}
return $k;
}
function cisco_extract_index($prule) {
$index = explode("#", $prule);
if (is_numeric($index[1]))
return intval($index[1]);
else
syslog(LOG_WARNING, "Error parsing rule {$prule}: Could not extract index");
return -1;;
}
function parse_cisco_acl($attribs) {
global $devname, $attributes;
if (!is_array($attribs))
return "";
$finalrules = "";
if (is_array($attribs['ciscoavpair'])) {
$inrules = array();
$outrules = array();
foreach ($attribs['ciscoavpair'] as $avrules) {
$rule = explode("=", $avrules);
$dir = "";
if (strstr($rule[0], "inacl")) {
$dir = "in";
} else if (strstr($rule[0], "outacl"))
$dir = "out";
else if (strstr($rule[0], "dns-servers")) {
$attributes['dns-servers'] = explode(" ", $rule[1]);
continue;
} else if (strstr($rule[0], "route")) {
if (!is_array($attributes['routes']))
$attributes['routes'] = array();
$attributes['routes'][] = $rule[1];
continue;
}
$rindex = cisco_extract_index($rule[0]);
if ($rindex < 0)
continue;
$rule = $rule[1];
$rule = explode(" ", $rule);
$tmprule = "";
$index = 0;
$isblock = false;
if ($rule[$index] == "permit")
$tmprule = "pass {$dir} quick on {$devname} ";
else if ($rule[$index] == "deny") {
//continue;
$isblock = true;
$tmprule = "block {$dir} quick on {$devname} ";
} else {
continue;
}
$index++;
switch ($rule[$index]) {
case "tcp":
case "udp":
$tmprule .= "proto {$rule[$index]} ";
break;
}
$index++;
/* Source */
if (trim($rule[$index]) == "host") {
$index++;
$tmprule .= "from {$rule[$index]} ";
$index++;
if ($isblock == true)
$isblock = false;
} else if (trim($rule[$index]) == "any") {
$tmprule .= "from any";
$index++;
} else {
$tmprule .= "from {$rule[$index]}";
$index++;
$netmask = cisco_to_cidr($rule[$index]);
$tmprule .= "/{$netmask} ";
$index++;
if ($isblock == true)
$isblock = false;
}
/* Destination */
if (trim($rule[$index]) == "host") {
$index++;
$tmprule .= "to {$rule[$index]} ";
$index++;
if ($isblock == true)
$isblock = false;
} else if (trim($rule[$index]) == "any") {
$index++;
$tmprule .= "to any";
} else {
$tmprule .= "to {$rule[$index]}";
$index++;
$netmask = cisco_to_cidr($rule[$index]);
$tmprule .= "/{$netmask} ";
$index++;
if ($isblock == true)
$isblock = false;
}
if ($isblock == true)
continue;
if ($dir == "in")
$inrules[$rindex] = $tmprule;
else if ($dir == "out")
$outrules[$rindex] = $tmprule;
}
$state = "";
if (!empty($outrules))
$state = "no state";
ksort($inrules, SORT_NUMERIC);
foreach ($inrules as $inrule)
$finalrules .= "{$inrule} {$state}\n";
if (!empty($outrules)) {
ksort($outrules, SORT_NUMERIC);
foreach ($outrules as $outrule)
$finalrules .= "{$outrule} {$state}\n";
}
}
return $finalrules;
}
$rules = parse_cisco_acl($attributes);
if (!empty($rules)) {
$pid = getmypid();
@file_put_contents("/tmp/ovpn_{$pid}{$common_name}.rules", $rules);
mwexec("/sbin/pfctl -a " . escapeshellarg("openvpn/{$common_name}") . " -f /tmp/ovpn_{$pid}" . escapeshellarg($common_name) . ".rules");
@unlink("/tmp/ovpn_{$pid}{$common_name}.rules");
}
src/etc/inc/openvpn.auth-user.php
View file @ 100c1d7d
...@@ -40,6 +40,147 @@ require_once("auth.inc"); ...@@ -40,6 +40,147 @@ require_once("auth.inc");
require_once("util.inc"); require_once("util.inc");
require_once("interfaces.inc"); require_once("interfaces.inc");
function cisco_to_cidr($addr) {
if (!is_ipaddr($addr))
return 0;
$mask = decbin(~ip2long($addr));
$mask = substr($mask, -32);
$k = 0;
for ($i = 0; $i <= 32; $i++) {
$k += intval($mask[$i]);
}
return $k;
}
function cisco_extract_index($prule) {
$index = explode("#", $prule);
if (is_numeric($index[1]))
return intval($index[1]);
else
syslog(LOG_WARNING, "Error parsing rule {$prule}: Could not extract index");
return -1;;
}
function parse_cisco_acl($attribs) {
global $devname, $attributes;
if (!is_array($attribs))
return "";
$finalrules = "";
if (is_array($attribs['ciscoavpair'])) {
$inrules = array();
$outrules = array();
foreach ($attribs['ciscoavpair'] as $avrules) {
$rule = explode("=", $avrules);
$dir = "";
if (strstr($rule[0], "inacl")) {
$dir = "in";
} else if (strstr($rule[0], "outacl"))
$dir = "out";
else if (strstr($rule[0], "dns-servers")) {
$attributes['dns-servers'] = explode(" ", $rule[1]);
continue;
} else if (strstr($rule[0], "route")) {
if (!is_array($attributes['routes']))
$attributes['routes'] = array();
$attributes['routes'][] = $rule[1];
continue;
}
$rindex = cisco_extract_index($rule[0]);
if ($rindex < 0)
continue;
$rule = $rule[1];
$rule = explode(" ", $rule);
$tmprule = "";
$index = 0;
$isblock = false;
if ($rule[$index] == "permit")
$tmprule = "pass {$dir} quick on {$devname} ";
else if ($rule[$index] == "deny") {
//continue;
$isblock = true;
$tmprule = "block {$dir} quick on {$devname} ";
} else {
continue;
}
$index++;
switch ($rule[$index]) {
case "tcp":
case "udp":
$tmprule .= "proto {$rule[$index]} ";
break;
}
$index++;
/* Source */
if (trim($rule[$index]) == "host") {
$index++;
$tmprule .= "from {$rule[$index]} ";
$index++;
if ($isblock == true)
$isblock = false;
} else if (trim($rule[$index]) == "any") {
$tmprule .= "from any";
$index++;
} else {
$tmprule .= "from {$rule[$index]}";
$index++;
$netmask = cisco_to_cidr($rule[$index]);
$tmprule .= "/{$netmask} ";
$index++;
if ($isblock == true)
$isblock = false;
}
/* Destination */
if (trim($rule[$index]) == "host") {
$index++;
$tmprule .= "to {$rule[$index]} ";
$index++;
if ($isblock == true)
$isblock = false;
} else if (trim($rule[$index]) == "any") {
$index++;
$tmprule .= "to any";
} else {
$tmprule .= "to {$rule[$index]}";
$index++;
$netmask = cisco_to_cidr($rule[$index]);
$tmprule .= "/{$netmask} ";
$index++;
if ($isblock == true)
$isblock = false;
}
if ($isblock == true)
continue;
if ($dir == "in")
$inrules[$rindex] = $tmprule;
else if ($dir == "out")
$outrules[$rindex] = $tmprule;
}
$state = "";
if (!empty($outrules))
$state = "no state";
ksort($inrules, SORT_NUMERIC);
foreach ($inrules as $inrule)
$finalrules .= "{$inrule} {$state}\n";
if (!empty($outrules)) {
ksort($outrules, SORT_NUMERIC);
foreach ($outrules as $outrule)
$finalrules .= "{$outrule} {$state}\n";
}
}
return $finalrules;
}
/** /**
* Get the NAS-Identifier * Get the NAS-Identifier
* *
...@@ -134,7 +275,24 @@ if ($authenticated == false) { ...@@ -134,7 +275,24 @@ if ($authenticated == false) {
exit(-1); exit(-1);
} }
@include_once('openvpn.attributes.php'); if (empty($common_name)) {
$common_name = getenv("common_name");
if (empty($common_name))
$common_name = getenv("username");
}
$devname = getenv("dev");
if (empty($devname))
$devname = "openvpn";
$rules = parse_cisco_acl($attributes);
if (!empty($rules)) {
$pid = getmypid();
@file_put_contents("/tmp/ovpn_{$pid}{$common_name}.rules", $rules);
mwexec("/sbin/pfctl -a " . escapeshellarg("openvpn/{$common_name}") . " -f /tmp/ovpn_{$pid}" . escapeshellarg($common_name) . ".rules");
@unlink("/tmp/ovpn_{$pid}{$common_name}.rules");
}
$content = ""; $content = "";
if (is_array($attributes['dns-servers'])) { if (is_array($attributes['dns-servers'])) {
......
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