.
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("guiconfig.inc");
if (!is_array($config['ipsec']['tunnel'])) {
$config['ipsec']['tunnel'] = array();
}
$a_ipsec = &$config['ipsec']['tunnel'];
if($config['interfaces']['lan'])
$specialsrcdst = explode(" ", "lan");
$id = $_GET['id'];
if (isset($_POST['id']))
$id = $_POST['id'];
if (isset($_GET['dup'])) {
$id = $_GET['dup'];
}
if (isset($id) && $a_ipsec[$id]) {
$pconfig['disabled'] = isset($a_ipsec[$id]['disabled']);
$pconfig['auto'] = isset($a_ipsec[$id]['auto']);
if (!isset($a_ipsec[$id]['local-subnet'])) {
if($config['interfaces']['lan'])
$pconfig['localnet'] = "lan";
} else {
address_to_pconfig_vpn($a_ipsec[$id]['local-subnet'], $pconfig['localnet'], $pconfig['localnetmask']);
}
if ($a_ipsec[$id]['interface'])
$pconfig['interface'] = $a_ipsec[$id]['interface'];
else
$pconfig['interface'] = "wan";
list($pconfig['remotenet'],$pconfig['remotebits']) = explode("/", $a_ipsec[$id]['remote-subnet']);
$pconfig['remotegw'] = $a_ipsec[$id]['remote-gateway'];
$pconfig['p1mode'] = $a_ipsec[$id]['p1']['mode'];
if (isset($a_ipsec[$id]['p1']['myident']['myaddress']))
$pconfig['p1myidentt'] = 'myaddress';
else if (isset($a_ipsec[$id]['p1']['myident']['address'])) {
$pconfig['p1myidentt'] = 'address';
$pconfig['p1myident'] = $a_ipsec[$id]['p1']['myident']['address'];
} else if (isset($a_ipsec[$id]['p1']['myident']['fqdn'])) {
$pconfig['p1myidentt'] = 'fqdn';
$pconfig['p1myident'] = $a_ipsec[$id]['p1']['myident']['fqdn'];
} else if (isset($a_ipsec[$id]['p1']['myident']['ufqdn'])) {
$pconfig['p1myidentt'] = 'user_fqdn';
$pconfig['p1myident'] = $a_ipsec[$id]['p1']['myident']['ufqdn'];
} else if (isset($a_ipsec[$id]['p1']['myident']['asn1dn'])) {
$pconfig['p1myidentt'] = 'asn1dn';
$pconfig['p1myident'] = $a_ipsec[$id]['p1']['myident']['asn1dn'];
} else if (isset($a_ipsec[$id]['p1']['myident']['dyn_dns'])) {
$pconfig['p1myidentt'] = 'dyn_dns';
$pconfig['p1myident'] = $a_ipsec[$id]['p1']['myident']['dyn_dns'];
}
$pconfig['p1ealgo'] = $a_ipsec[$id]['p1']['encryption-algorithm'];
$pconfig['p1halgo'] = $a_ipsec[$id]['p1']['hash-algorithm'];
$pconfig['p1dhgroup'] = $a_ipsec[$id]['p1']['dhgroup'];
$pconfig['p1lifetime'] = $a_ipsec[$id]['p1']['lifetime'];
$pconfig['p1authentication_method'] = $a_ipsec[$id]['p1']['authentication_method'];
$pconfig['p1pskey'] = $a_ipsec[$id]['p1']['pre-shared-key'];
$pconfig['p1cert'] = base64_decode($a_ipsec[$id]['p1']['cert']);
$pconfig['p1peercert'] = base64_decode($a_ipsec[$id]['p1']['peercert']);
$pconfig['p1privatekey'] = base64_decode($a_ipsec[$id]['p1']['private-key']);
$pconfig['p2proto'] = $a_ipsec[$id]['p2']['protocol'];
$pconfig['p2ealgos'] = $a_ipsec[$id]['p2']['encryption-algorithm-option'];
$pconfig['p2halgos'] = $a_ipsec[$id]['p2']['hash-algorithm-option'];
$pconfig['p2pfsgroup'] = $a_ipsec[$id]['p2']['pfsgroup'];
$pconfig['p2lifetime'] = $a_ipsec[$id]['p2']['lifetime'];
$pconfig['descr'] = $a_ipsec[$id]['descr'];
$pconfig['pinghost'] = $a_ipsec[$id]['pinghost'];
} else {
/* defaults */
$pconfig['interface'] = "wan";
if($config['interfaces']['lan'])
$pconfig['localnet'] = "lan";
$pconfig['p1mode'] = "aggressive";
$pconfig['p1myidentt'] = "myaddress";
$pconfig['p1authentication_method'] = "pre_shared_key";
$pconfig['p1ealgo'] = "3des";
$pconfig['p1halgo'] = "sha1";
$pconfig['p1dhgroup'] = "2";
$pconfig['p2proto'] = "esp";
$pconfig['p2ealgos'] = explode(",", "3des,blowfish,cast128,rijndael,rijndael 256");
$pconfig['p2halgos'] = explode(",", "hmac_sha1,hmac_md5");
$pconfig['p2pfsgroup'] = "0";
$pconfig['remotebits'] = 32;
}
if (isset($_GET['dup']))
unset($id);
if ($_POST) {
if (is_specialnet($_POST['localnettype'])) {
$_POST['localnet'] = $_POST['localnettype'];
$_POST['localnetmask'] = 0;
} else if ($_POST['localnettype'] == "single") {
$_POST['localnetmask'] = 32;
}
unset($input_errors);
$pconfig = $_POST;
/* input validation */
if ($_POST['p1authentication_method'] == "pre_shared_key") {
$reqdfields = explode(" ", "localnet remotenet remotebits remotegw p1pskey p2ealgos p2halgos");
$reqdfieldsn = explode(",", "Local network,Remote network,Remote network bits,Remote gateway,Pre-Shared Key,P2 Encryption Algorithms,P2 Hash Algorithms");
}
else {
$reqdfields = explode(" ", "localnet remotenet remotebits remotegw p2ealgos p2halgos");
$reqdfieldsn = explode(",", "Local network,Remote network,Remote network bits,Remote gateway,P2 Encryption Algorithms,P2 Hash Algorithms");
if (!strstr($_POST['p1cert'], "BEGIN CERTIFICATE") || !strstr($_POST['p1cert'], "END CERTIFICATE"))
$input_errors[] = "This certificate does not appear to be valid.";
if (!strstr($_POST['p1privatekey'], "BEGIN RSA PRIVATE KEY") || !strstr($_POST['p1privatekey'], "END RSA PRIVATE KEY"))
$input_errors[] = "This key does not appear to be valid.";
if ($_POST['p1peercert']!="" && (!strstr($_POST['p1peercert'], "BEGIN CERTIFICATE") || !strstr($_POST['p1peercert'], "END CERTIFICATE")))
$input_errors[] = "This peer certificate does not appear to be valid.";
}
do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
if (!is_specialnet($_POST['localnettype'])) {
if (($_POST['localnet'] && !is_ipaddr($_POST['localnet']))) {
$input_errors[] = "A valid local network IP address must be specified.";
}
if (($_POST['localnetmask'] && !is_numeric($_POST['localnetmask']))) {
$input_errors[] = "A valid local network bit count must be specified.";
}
}
if (($_POST['p1lifetime'] && !is_numeric($_POST['p1lifetime']))) {
$input_errors[] = "The P1 lifetime must be an integer.";
}
if (($_POST['p2lifetime'] && !is_numeric($_POST['p2lifetime']))) {
$input_errors[] = "The P2 lifetime must be an integer.";
}
if ($_POST['remotebits'] && (!is_numeric($_POST['remotebits']) || ($_POST['remotebits'] < 0) || ($_POST['remotebits'] > 32))) {
if(!$_POST['remotebits'] == "0.0.0.0")
$input_errors[] = "The remote network bits are invalid.";
}
if (($_POST['remotenet'] && !is_ipaddr($_POST['remotenet'])) or $_POST['remotenet'] == "0.0.0.0") {
/* allow 0.0.0.0 remote net usage */
if($_POST['remotenet'] <> "0.0.0.0")
$input_errors[] = "A valid remote network address must be specified.";
}
if (($_POST['remotenet'] && is_ipaddr($_POST['remotenet']) && !isset($_POST['disabled']) )) {
$t = 0;
foreach($a_ipsec as $tunnel) {
if($id <> $t) {
$tremotecidr = $pconfig['remotenet'] ."/". $pconfig['remotebits'];
if(($tunnel['remote-subnet'] == $tremotecidr) && !isset($tunnel['disabled'])) {
$input_errors[] = "The remote network \"$tremotecidr\" is already used by tunnel \"${tunnel['descr']}\".";
}
}
$t++;
}
}
if (($_POST['remotegw'] && !is_ipaddr($_POST['remotegw']) && !is_domain($_POST['remotegw'])))
$input_errors[] = "A valid remote gateway address or host name must be specified.";
if (($_POST['remotegw'] && is_ipaddr($_POST['remotegw']) && !isset($_POST['disabled']) )) {
$t = 0;
foreach($a_ipsec as $tunnel) {
if($id <> $t) {
$tremotegw = $pconfig['remotegw'];
if(($tunnel['remote-gateway'] == $tremotegw) && !isset($tunnel['disabled'])) {
$input_errors[] = "The remote gateway \"$tremotegw\" is already used by tunnel \"${tunnel['descr']}\".";
}
}
$t++;
}
}
if ((($_POST['p1myidentt'] == "address") && !is_ipaddr($_POST['p1myident']))) {
$input_errors[] = "A valid IP address for 'My identifier' must be specified.";
}
if ((($_POST['p1myidentt'] == "fqdn") && !is_domain($_POST['p1myident']))) {
$input_errors[] = "A valid domain name for 'My identifier' must be specified.";
}
if ($_POST['p1myidentt'] == "user_fqdn") {
$ufqdn = explode("@",$_POST['p1myident']);
if (is_domain($ufqdn[1]) == false)
$input_errors[] = "A valid User FQDN in the form of user@my.domain.com for 'My identifier' must be specified.";
}
if ($_POST['p1myidentt'] == "dyn_dns") {
if (is_domain($_POST['p1myidentt']) == false)
$input_errors[] = "A valid Dynamic DNS address for 'My identifier' must be specified.";
}
if($_POST['p1myidentt'] == "fqdn" and $_POST['p1myident'] == "")
$input_errors[] = gettext("Please enter a domain name for 'My Identifier'");
if($_POST['p1myidentt'] == "dyn_dns" and $_POST['p1myident'] == "")
$input_errors[] = gettext("Please enter a domain name for 'My Identifier'");
if($_POST['p1myidentt'] == "address" and $_POST['p1myident'] == "")
$input_errors[] = gettext("Please enter a domain name for 'My Identifier'");
if($_POST['p1myidentt'] == "user_fqdn" and $_POST['p1myident'] == "")
$input_errors[] = gettext("Please enter a domain name for 'My Identifier'");
if ($_POST['p1myidentt'] == "myaddress")
$_POST['p1myident'] = "";
if (!$input_errors) {
$ipsecent['disabled'] = $_POST['disabled'] ? true : false;
//$ipsecent['auto'] = $_POST['auto'] ? true : false;
$ipsecent['interface'] = $pconfig['interface'];
pconfig_to_address($ipsecent['local-subnet'], $_POST['localnet'], $_POST['localnetmask']);
$ipsecent['remote-subnet'] = $_POST['remotenet'] . "/" . $_POST['remotebits'];
$ipsecent['remote-gateway'] = $_POST['remotegw'];
$ipsecent['p1']['mode'] = $_POST['p1mode'];
$ipsecent['p1']['myident'] = array();
switch ($_POST['p1myidentt']) {
case 'myaddress':
$ipsecent['p1']['myident']['myaddress'] = true;
break;
case 'address':
$ipsecent['p1']['myident']['address'] = $_POST['p1myident'];
break;
case 'fqdn':
$ipsecent['p1']['myident']['fqdn'] = $_POST['p1myident'];
break;
case 'user_fqdn':
$ipsecent['p1']['myident']['ufqdn'] = $_POST['p1myident'];
break;
case 'asn1dn':
$ipsecent['p1']['myident']['asn1dn'] = $_POST['p1myident'];
break;
case 'dyn_dns':
$ipsecent['p1']['myident']['dyn_dns'] = $_POST['p1myident'];
break;
}
$ipsecent['p1']['encryption-algorithm'] = $_POST['p1ealgo'];
$ipsecent['p1']['hash-algorithm'] = $_POST['p1halgo'];
$ipsecent['p1']['dhgroup'] = $_POST['p1dhgroup'];
$ipsecent['p1']['lifetime'] = $_POST['p1lifetime'];
$ipsecent['p1']['pre-shared-key'] = $_POST['p1pskey'];
$ipsecent['p1']['private-key'] = base64_encode($_POST['p1privatekey']);
$ipsecent['p1']['cert'] = base64_encode($_POST['p1cert']);
$ipsecent['p1']['peercert'] = base64_encode($_POST['p1peercert']);
$ipsecent['p1']['authentication_method'] = $_POST['p1authentication_method'];
$ipsecent['p2']['protocol'] = $_POST['p2proto'];
$ipsecent['p2']['encryption-algorithm-option'] = $_POST['p2ealgos'];
$ipsecent['p2']['hash-algorithm-option'] = $_POST['p2halgos'];
$ipsecent['p2']['pfsgroup'] = $_POST['p2pfsgroup'];
$ipsecent['p2']['lifetime'] = $_POST['p2lifetime'];
$ipsecent['descr'] = $_POST['descr'];
$ipsecent['pinghost'] = $_POST['pinghost'];
if (isset($id) && $a_ipsec[$id])
$a_ipsec[$id] = $ipsecent;
else
$a_ipsec[] = $ipsecent;
write_config();
touch($d_ipsecconfdirty_path);
header("Location: vpn_ipsec.php");
exit;
}
}
$pgtitle = array("VPN","IPsec","Edit tunnel");
include("head.inc");
?>