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Commit 9a9af1b6 authored by Ad Schellevis's avatar Ad Schellevis
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(legacy) spaces, curly braces etc in auth.inc

parent b83aa0d8
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src/etc/inc/auth.inc
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<?php <?php
/* /*
Copyright (C) 2014 Deciso B.V. Copyright (C) 2014-2016 Deciso B.V.
Copyright (C) 2010 Ermal Luçi Copyright (C) 2010 Ermal Luçi
Copyright (C) 2007, 2008 Scott Ullrich <sullrich@gmail.com> Copyright (C) 2007, 2008 Scott Ullrich <sullrich@gmail.com>
Copyright (C) 2005-2006 Bill Marquette <bill.marquette@gmail.com> Copyright (C) 2005-2006 Bill Marquette <bill.marquette@gmail.com>
Copyright (C) 2006 Paul Taylor <paultaylor@winn-dixie.com>. Copyright (C) 2006 Paul Taylor <paultaylor@winn-dixie.com>.
Copyright (C) 2003-2006 Manuel Kasper <mk@neon1.net>. Copyright (C) 2003-2006 Manuel Kasper <mk@neon1.net>.
All rights reserved. All rights reserved.
Redistribution and use in source and binary forms, with or without Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met: modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, 1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer. this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright 2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution. documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 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 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE. POSSIBILITY OF SUCH DAMAGE.
*/ */
/* /*
...@@ -46,135 +46,142 @@ $security_passed = true; ...@@ -46,135 +46,142 @@ $security_passed = true;
/* If this function doesn't exist, we're being called from Captive Portal or /* If this function doesn't exist, we're being called from Captive Portal or
another internal subsystem which does not include authgui.inc */ another internal subsystem which does not include authgui.inc */
if (function_exists("display_error_form") && !isset($config['system']['webgui']['nodnsrebindcheck'])) { if (function_exists("display_error_form") && !isset($config['system']['webgui']['nodnsrebindcheck'])) {
/* DNS ReBinding attack prevention */ /* DNS ReBinding attack prevention */
$found_host = false; $found_host = false;
/* Either a IPv6 address with or without a alternate port */ /* Either a IPv6 address with or without a alternate port */
if(strstr($_SERVER['HTTP_HOST'], "]")) { if (strstr($_SERVER['HTTP_HOST'], "]")) {
$http_host_port = explode("]", $_SERVER['HTTP_HOST']); $http_host_port = explode("]", $_SERVER['HTTP_HOST']);
/* v6 address has more parts, drop the last part */ /* v6 address has more parts, drop the last part */
if(count($http_host_port) > 1) { if (count($http_host_port) > 1) {
array_pop($http_host_port); array_pop($http_host_port);
$http_host = str_replace(array("[", "]"), "", implode(":", $http_host_port)); $http_host = str_replace(array("[", "]"), "", implode(":", $http_host_port));
} else { } else {
$http_host = str_replace(array("[", "]"), "", implode(":", $http_host_port)); $http_host = str_replace(array("[", "]"), "", implode(":", $http_host_port));
} }
} else { } else {
$http_host = explode(":", $_SERVER['HTTP_HOST']); $http_host = explode(":", $_SERVER['HTTP_HOST']);
$http_host = $http_host[0]; $http_host = $http_host[0];
} }
if(is_ipaddr($http_host) or $_SERVER['SERVER_ADDR'] == "127.0.0.1" or if (is_ipaddr($http_host) || $_SERVER['SERVER_ADDR'] == "127.0.0.1" ||
strcasecmp($http_host, "localhost") == 0 or $_SERVER['SERVER_ADDR'] == "::1") strcasecmp($http_host, "localhost") == 0 or $_SERVER['SERVER_ADDR'] == "::1") {
$found_host = true; $found_host = true;
if(strcasecmp($http_host, $config['system']['hostname'] . "." . $config['system']['domain']) == 0 or }
strcasecmp($http_host, $config['system']['hostname']) == 0) if (strcasecmp($http_host, $config['system']['hostname'] . "." . $config['system']['domain']) == 0 ||
$found_host = true; strcasecmp($http_host, $config['system']['hostname']) == 0) {
$found_host = true;
if (isset($config['dyndnses']['dyndns']) && !$found_host) }
foreach($config['dyndnses']['dyndns'] as $dyndns)
if(strcasecmp($dyndns['host'], $http_host) == 0) { if (isset($config['dyndnses']['dyndns']) && !$found_host) {
$found_host = true; foreach($config['dyndnses']['dyndns'] as $dyndns) {
break; if (strcasecmp($dyndns['host'], $http_host) == 0) {
} $found_host = true;
break;
if (isset($config['dnsupdates']['dnsupdate']) && !$found_host) { }
foreach ($config['dnsupdates']['dnsupdate'] as $rfc2136) { }
if (strcasecmp($rfc2136['host'], $http_host) == 0) { }
$found_host = true;
break; if (isset($config['dnsupdates']['dnsupdate']) && !$found_host) {
} foreach ($config['dnsupdates']['dnsupdate'] as $rfc2136) {
} if (strcasecmp($rfc2136['host'], $http_host) == 0) {
} $found_host = true;
break;
if (!empty($config['system']['webgui']['althostnames']) && !$found_host) { }
$althosts = explode(" ", $config['system']['webgui']['althostnames']); }
foreach ($althosts as $ah) { }
if (strcasecmp($ah, $http_host) == 0 or strcasecmp($ah, $_SERVER['SERVER_ADDR']) == 0) {
$found_host = true; if (!empty($config['system']['webgui']['althostnames']) && !$found_host) {
break; $althosts = explode(" ", $config['system']['webgui']['althostnames']);
} foreach ($althosts as $ah) {
} if (strcasecmp($ah, $http_host) == 0 or strcasecmp($ah, $_SERVER['SERVER_ADDR']) == 0) {
} $found_host = true;
break;
if($found_host == false) { }
if(!security_checks_disabled()) { }
display_error_form("501", sprintf(gettext("A potential %sDNS Rebind attack%s has been detected.%sTry to access the router by IP address instead of by hostname."),'<a href="http://en.wikipedia.org/wiki/DNS_rebinding">','</a>','<br />')); }
exit;
} if ($found_host == false) {
$security_passed = false; if (!security_checks_disabled()) {
} display_error_form("501", sprintf(gettext("A potential %sDNS Rebind attack%s has been detected.%sTry to access the router by IP address instead of by hostname."),'<a href="http://en.wikipedia.org/wiki/DNS_rebinding">','</a>','<br />'));
exit;
}
$security_passed = false;
}
} }
// If the HTTP_REFERER is something other than ourselves then disallow. // If the HTTP_REFERER is something other than ourselves then disallow.
if(function_exists("display_error_form") && !isset($config['system']['webgui']['nohttpreferercheck'])) { if (function_exists("display_error_form") && !isset($config['system']['webgui']['nohttpreferercheck'])) {
if(isset($_SERVER['HTTP_REFERER'])) { if (isset($_SERVER['HTTP_REFERER'])) {
if(file_exists('/tmp/setupwizard_lastreferrer')) { if (file_exists('/tmp/setupwizard_lastreferrer')) {
if($_SERVER['HTTP_REFERER'] == file_get_contents('/tmp/setupwizard_lastreferrer')) { if ($_SERVER['HTTP_REFERER'] == file_get_contents('/tmp/setupwizard_lastreferrer')) {
unlink('/tmp/setupwizard_lastreferrer'); unlink('/tmp/setupwizard_lastreferrer');
header("Refresh: 1; url=index.php"); header("Refresh: 1; url=index.php");
echo "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">"; echo "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">";
echo "<html><head><title>" . gettext("Redirecting...") . "</title></head><body>" . gettext("Redirecting to the dashboard...") . "</body></html>"; echo "<html><head><title>" . gettext("Redirecting...") . "</title></head><body>" . gettext("Redirecting to the dashboard...") . "</body></html>";
exit; exit;
} }
} }
$found_host = false; $found_host = false;
$referrer_host = parse_url($_SERVER['HTTP_REFERER'], PHP_URL_HOST); $referrer_host = parse_url($_SERVER['HTTP_REFERER'], PHP_URL_HOST);
$referrer_host = str_replace(array("[", "]"), "", $referrer_host); $referrer_host = str_replace(array("[", "]"), "", $referrer_host);
if($referrer_host) { if ($referrer_host) {
if(strcasecmp($referrer_host, $config['system']['hostname'] . "." . $config['system']['domain']) == 0 if (strcasecmp($referrer_host, $config['system']['hostname'] . "." . $config['system']['domain']) == 0 ||
|| strcasecmp($referrer_host, $config['system']['hostname']) == 0) strcasecmp($referrer_host, $config['system']['hostname']) == 0) {
$found_host = true; $found_host = true;
}
if (!empty($config['system']['webgui']['althostnames']) && !$found_host) {
$althosts = explode(" ", $config['system']['webgui']['althostnames']);
foreach ($althosts as $ah) { if (!empty($config['system']['webgui']['althostnames']) && !$found_host) {
if(strcasecmp($referrer_host, $ah) == 0) { $althosts = explode(" ", $config['system']['webgui']['althostnames']);
$found_host = true; foreach ($althosts as $ah) {
break; if (strcasecmp($referrer_host, $ah) == 0) {
} $found_host = true;
} break;
} }
}
if (isset($config['dyndnses']['dyndns']) && !$found_host) { }
foreach ($config['dyndnses']['dyndns'] as $dyndns) {
if (strcasecmp($dyndns['host'], $referrer_host) == 0) { if (isset($config['dyndnses']['dyndns']) && !$found_host) {
$found_host = true; foreach ($config['dyndnses']['dyndns'] as $dyndns) {
break; if (strcasecmp($dyndns['host'], $referrer_host) == 0) {
} $found_host = true;
} break;
} }
}
if (isset($config['dnsupdates']['dnsupdate']) && !$found_host) { }
foreach ($config['dnsupdates']['dnsupdate'] as $rfc2136) {
if (strcasecmp($rfc2136['host'], $referrer_host) == 0) { if (isset($config['dnsupdates']['dnsupdate']) && !$found_host) {
$found_host = true; foreach ($config['dnsupdates']['dnsupdate'] as $rfc2136) {
break; if (strcasecmp($rfc2136['host'], $referrer_host) == 0) {
} $found_host = true;
} break;
} }
}
if(!$found_host) { }
$found_host = isAuthLocalIP($referrer_host);
if($referrer_host == "127.0.0.1" || $referrer_host == "localhost") { if (!$found_host) {
// allow SSH port forwarded connections and links from localhost $found_host = isAuthLocalIP($referrer_host);
$found_host = true; if ($referrer_host == "127.0.0.1" || $referrer_host == "localhost") {
} // allow SSH port forwarded connections and links from localhost
} $found_host = true;
} }
if($found_host == false) { }
if(!security_checks_disabled()) { }
display_error_form("501", "An HTTP_REFERER was detected other than what is defined in System -> Advanced (" . htmlspecialchars($_SERVER['HTTP_REFERER']) . "). You can disable this check if needed in System -> Advanced -> Admin."); if ($found_host == false) {
exit; if (!security_checks_disabled()) {
} display_error_form("501", "An HTTP_REFERER was detected other than what is defined in System -> Advanced (" . htmlspecialchars($_SERVER['HTTP_REFERER']) . "). You can disable this check if needed in System -> Advanced -> Admin.");
$security_passed = false; exit;
} }
} else $security_passed = false;
$security_passed = false; }
} else {
$security_passed = false;
}
} }
if (function_exists("display_error_form") && $security_passed) { if (function_exists("display_error_form") && $security_passed) {
/* Security checks passed, so it should be OK to turn them back on */ /* Security checks passed, so it should be OK to turn them back on */
restore_security_checks(); restore_security_checks();
} }
unset($security_passed); unset($security_passed);
...@@ -207,541 +214,546 @@ function isAuthLocalIP($http_host) ...@@ -207,541 +214,546 @@ function isAuthLocalIP($http_host)
} }
} }
} }
return false; return false;
} }
function index_groups() function index_groups()
{ {
global $config, $groupindex; global $config, $groupindex;
$groupindex = array(); $groupindex = array();
if (isset($config['system']['group'])) {
if (isset($config['system']['group'])) { $i = 0;
$i = 0; foreach($config['system']['group'] as $groupent) {
foreach($config['system']['group'] as $groupent) { if (isset($groupent['name'])) {
if (isset($groupent['name'])) { $groupindex[$groupent['name']] = $i;
$groupindex[$groupent['name']] = $i; $i++;
$i++; }
} }
} }
}
return ($groupindex); return ($groupindex);
} }
function index_users() function index_users()
{ {
global $config; global $config;
if (is_array($config['system']['user'])) { if (is_array($config['system']['user'])) {
$i = 0; $i = 0;
foreach($config['system']['user'] as $userent) { foreach($config['system']['user'] as $userent) {
$userindex[$userent['name']] = $i; $userindex[$userent['name']] = $i;
$i++; $i++;
} }
} }
return ($userindex); return ($userindex);
} }
function &getUserEntry($name) function &getUserEntry($name)
{ {
global $config, $userindex; global $config, $userindex;
$false = false; $false = false;
if (isset($userindex[$name])) { if (isset($userindex[$name])) {
return $config['system']['user'][$userindex[$name]]; return $config['system']['user'][$userindex[$name]];
} else { } else {
return $false; return $false;
} }
} }
function &getUserEntryByUID($uid) function &getUserEntryByUID($uid)
{ {
global $config; global $config;
if (is_array($config['system']['user'])) if (is_array($config['system']['user'])) {
foreach ($config['system']['user'] as & $user) foreach ($config['system']['user'] as & $user) {
if ($user['uid'] == $uid) if ($user['uid'] == $uid) {
return $user; return $user;
}
}
}
return false; return false;
} }
function &getGroupEntry($name) function &getGroupEntry($name)
{ {
global $config, $groupindex; global $config, $groupindex;
if (isset($groupindex[$name])) { if (isset($groupindex[$name])) {
return $config['system']['group'][$groupindex[$name]]; return $config['system']['group'][$groupindex[$name]];
} }
} }
function &getGroupEntryByGID($gid) function &getGroupEntryByGID($gid)
{ {
global $config; global $config;
if (isset($config['system']['group'])) { if (isset($config['system']['group'])) {
foreach ($config['system']['group'] as & $group) { foreach ($config['system']['group'] as & $group) {
if ($group['gid'] == $gid) { if ($group['gid'] == $gid) {
return $group; return $group;
} }
} }
} }
return false; return false;
} }
function get_user_privileges(&$user) function get_user_privileges(&$user)
{ {
if (!isset($user['priv']) || !is_array($user['priv'])) { if (!isset($user['priv']) || !is_array($user['priv'])) {
$privs = array(); $privs = array();
} else { } else {
$privs = $user['priv']; $privs = $user['priv'];
} }
$names = local_user_get_groups($user, true);
foreach ($names as $name) {
$group = getGroupEntry($name);
if (isset($group['priv']) && is_array($group['priv'])) {
$privs = array_merge($privs, $group['priv']);
}
}
return $privs;
}
function userHasPrivilege($userent, $privid = false) { $names = local_user_get_groups($user, true);
if (!$privid || !is_array($userent)) foreach ($names as $name) {
return false; $group = getGroupEntry($name);
if (isset($group['priv']) && is_array($group['priv'])) {
$privs = array_merge($privs, $group['priv']);
}
}
return $privs;
}
$privs = get_user_privileges($userent); function userHasPrivilege($userent, $privid = false)
{
if (!$privid || !is_array($userent)) {
return false;
}
if (!is_array($privs)) $privs = get_user_privileges($userent);
return false;
if (!in_array($privid, $privs)) if (!is_array($privs)) {
return false; return false;
}
return true; if (!in_array($privid, $privs)) {
return false;
}
return true;
} }
function local_sync_accounts() function local_sync_accounts()
{ {
global $config; global $config;
/* remove local users to avoid uid conflicts */ /* remove local users to avoid uid conflicts */
$fd = popen('/usr/sbin/pw usershow -a', 'r'); $fd = popen('/usr/sbin/pw usershow -a', 'r');
if ($fd) { if ($fd) {
while (!feof($fd)) { while (!feof($fd)) {
$line = explode(':',fgets($fd)); $line = explode(':',fgets($fd));
if ( count($line) < 3 || !strncmp($line[0], '_', 1) || $line[2] < 2000 || $line[2] > 65000) { if ( count($line) < 3 || !strncmp($line[0], '_', 1) || $line[2] < 2000 || $line[2] > 65000) {
continue; continue;
} }
/* /*
* If a crontab was created to user, pw userdel will be interactive and * If a crontab was created to user, pw userdel will be interactive and
* can cause issues. Just remove crontab before run it when necessary * can cause issues. Just remove crontab before run it when necessary
*/ */
@unlink("/var/cron/tabs/{$line[0]}"); @unlink("/var/cron/tabs/{$line[0]}");
mwexecf('/usr/sbin/pw userdel -n %s', $line[0]); mwexecf('/usr/sbin/pw userdel -n %s', $line[0]);
} }
pclose($fd); pclose($fd);
} }
/* remove local groups to avoid gid conflicts */ /* remove local groups to avoid gid conflicts */
$gids = array(); $gids = array();
$fd = popen('/usr/sbin/pw groupshow -a', 'r'); $fd = popen('/usr/sbin/pw groupshow -a', 'r');
if ($fd) { if ($fd) {
while (!feof($fd)) { while (!feof($fd)) {
$line = explode(':',fgets($fd)); $line = explode(':',fgets($fd));
if (count($line) < 3 || !strncmp($line[0], '_', 1) || $line[2] < 2000 || $line[2] > 65000 ) { if (count($line) < 3 || !strncmp($line[0], '_', 1) || $line[2] < 2000 || $line[2] > 65000 ) {
continue; continue;
} }
mwexecf('/usr/sbin/pw groupdel %s', $line[2]); mwexecf('/usr/sbin/pw groupdel %s', $line[2]);
} }
pclose($fd); pclose($fd);
} }
/* make sure the all group exists */ /* make sure the all group exists */
$allgrp = getGroupEntryByGID(1998); $allgrp = getGroupEntryByGID(1998);
local_group_set($allgrp, true); local_group_set($allgrp, true);
/* sync all local users */ /* sync all local users */
if (is_array($config['system']['user'])) { if (is_array($config['system']['user'])) {
foreach ($config['system']['user'] as $user) { foreach ($config['system']['user'] as $user) {
local_user_set($user); local_user_set($user);
} }
} }
/* sync all local groups */ /* sync all local groups */
if (is_array($config['system']['group'])) { if (is_array($config['system']['group'])) {
foreach ($config['system']['group'] as $group) { foreach ($config['system']['group'] as $group) {
local_group_set($group); local_group_set($group);
} }
} }
} }
function local_user_set(&$user) function local_user_set(&$user)
{ {
if (empty($user['password'])) { if (empty($user['password'])) {
log_error(sprintf( log_error(sprintf(
gettext('There is something wrong in your config because user %s password is missing!'), gettext('There is something wrong in your config because user %s password is missing!'),
$user['name'] $user['name']
)); ));
return; return;
} }
$user_uid = $user['uid']; $user_uid = $user['uid'];
$user_name = $user['name']; $user_name = $user['name'];
$user_home = "/home/{$user_name}"; $user_home = "/home/{$user_name}";
$user_shell = '/sbin/nologin'; $user_shell = '/sbin/nologin';
$user_group = 'nobody'; $user_group = 'nobody';
$lock_account = 'lock'; $lock_account = 'lock';
@mkdir('/home', 0755); @mkdir('/home', 0755);
/* admins access gives wheely rights */ /* admins access gives wheely rights */
if (userHasPrivilege($user, 'page-all')) { if (userHasPrivilege($user, 'page-all')) {
$user_group = 'wheel'; $user_group = 'wheel';
} }
/* configure shell type */ /* configure shell type */
if (userHasPrivilege($user, 'user-shell-access')) { if (userHasPrivilege($user, 'user-shell-access')) {
$user_shell = '/bin/csh'; $user_shell = '/bin/csh';
} }
/* unlock valid shell users */ /* unlock valid shell users */
if (!is_account_disabled($user_name) && !is_account_expired($user_name)) { if (!is_account_disabled($user_name) && !is_account_expired($user_name)) {
$lock_account = 'unlock'; $lock_account = 'unlock';
} }
/* root user special handling */ /* root user special handling */
if ($user_uid == 0) { if ($user_uid == 0) {
$user_group = 'wheel'; $user_group = 'wheel';
$user_home = '/root'; $user_home = '/root';
$user_shell = '/usr/local/etc/rc.initial'; $user_shell = '/usr/local/etc/rc.initial';
$lock_account = 'unlock'; $lock_account = 'unlock';
} }
/* read from pw db */ /* read from pw db */
$fd = popen("/usr/sbin/pw usershow -n {$user_name} 2>&1", "r"); $fd = popen("/usr/sbin/pw usershow -n {$user_name} 2>&1", "r");
$pwread = fgets($fd); $pwread = fgets($fd);
pclose($fd); pclose($fd);
$userattrs = explode(":", trim($pwread)); $userattrs = explode(":", trim($pwread));
/* determine add or mod */ /* determine add or mod */
if (($userattrs[0] != $user['name']) || (!strncmp($pwread, 'pw:', 3))) { if (($userattrs[0] != $user['name']) || (!strncmp($pwread, 'pw:', 3))) {
$user_op = 'useradd -m -k /usr/share/skel -o'; $user_op = 'useradd -m -k /usr/share/skel -o';
} else { } else {
$user_op = 'usermod'; $user_op = 'usermod';
} }
$comment = str_replace(array(':', '!', '@'), ' ', $user['descr']); $comment = str_replace(array(':', '!', '@'), ' ', $user['descr']);
/* add or mod pw db */ /* add or mod pw db */
$cmd = "/usr/sbin/pw {$user_op} -q -u {$user_uid} -n {$user_name}". $cmd = "/usr/sbin/pw {$user_op} -q -u {$user_uid} -n {$user_name}".
" -g {$user_group} -s {$user_shell} -d {$user_home}". " -g {$user_group} -s {$user_shell} -d {$user_home}".
" -c ".escapeshellarg($comment)." -H 0 2>&1"; " -c ".escapeshellarg($comment)." -H 0 2>&1";
$fd = popen($cmd, 'w'); $fd = popen($cmd, 'w');
fwrite($fd, $user['password']); fwrite($fd, $user['password']);
pclose($fd); pclose($fd);
/* create user directory if required */ /* create user directory if required */
@mkdir($user_home, 0700); @mkdir($user_home, 0700);
@chown($user_home, $user_name); @chown($user_home, $user_name);
@chgrp($user_home, $user_group); @chgrp($user_home, $user_group);
/* write out ssh authorized key file */ /* write out ssh authorized key file */
if (isset($user['authorizedkeys'])) { if (isset($user['authorizedkeys'])) {
@mkdir("{$user_home}/.ssh", 0700); @mkdir("{$user_home}/.ssh", 0700);
@chown("{$user_home}/.ssh", $user_name); @chown("{$user_home}/.ssh", $user_name);
$keys = base64_decode($user['authorizedkeys']); $keys = base64_decode($user['authorizedkeys']);
@file_put_contents("{$user_home}/.ssh/authorized_keys", $keys); @file_put_contents("{$user_home}/.ssh/authorized_keys", $keys);
@chown("{$user_home}/.ssh/authorized_keys", $user_name); @chown("{$user_home}/.ssh/authorized_keys", $user_name);
} else { } else {
@unlink("{$user_home}/.ssh/authorized_keys"); @unlink("{$user_home}/.ssh/authorized_keys");
} }
mwexecf('/usr/sbin/pw %s %s', array($lock_account, $user_name), true); mwexecf('/usr/sbin/pw %s %s', array($lock_account, $user_name), true);
} }
function local_user_del($user) function local_user_del($user)
{ {
/* remove all memberships */ /* remove all memberships */
local_user_set_groups($user); local_user_set_groups($user);
/* delete from pw db */ /* delete from pw db */
mwexecf('/usr/sbin/pw userdel -n %s -r', $user['name']); mwexecf('/usr/sbin/pw userdel -n %s -r', $user['name']);
/* Delete user from groups needs a call to write_config() */ /* Delete user from groups needs a call to write_config() */
local_group_del_user($user); local_group_del_user($user);
} }
function local_user_set_password(&$user, $password) function local_user_set_password(&$user, $password)
{ {
$user['password'] = crypt($password, '$6$'); $user['password'] = crypt($password, '$6$');
// Converts ascii to unicode. // Converts ascii to unicode.
$astr = (string) $password; $astr = (string) $password;
$ustr = ''; $ustr = '';
for ($i = 0; $i < strlen($astr); $i++) { for ($i = 0; $i < strlen($astr); $i++) {
$a = ord($astr{$i}) << 8; $a = ord($astr{$i}) << 8;
$ustr.= sprintf("%X", $a); $ustr.= sprintf("%X", $a);
} }
} }
function local_user_get_groups($user, $all = false) function local_user_get_groups($user, $all = false)
{ {
global $config; global $config;
$groups = array();
if (!isset($config['system']['group'])) { $groups = array();
return $groups;
}
foreach ($config['system']['group'] as $group) { if (!isset($config['system']['group'])) {
if (isset($group['member'])) { return $groups;
if (in_array($user['uid'], $group['member']) || ($group['name'] == "all" && $all)) { }
$groups[] = $group['name'];
}
}
}
sort($groups); foreach ($config['system']['group'] as $group) {
if (isset($group['member'])) {
if (in_array($user['uid'], $group['member']) || ($group['name'] == "all" && $all)) {
$groups[] = $group['name'];
}
}
}
return $groups; sort($groups);
return $groups;
} }
function local_user_set_groups($user, $new_groups = null) function local_user_set_groups($user, $new_groups = null)
{ {
global $config, $groupindex; global $config, $groupindex;
if (!isset($config['system']['group'])) { if (!isset($config['system']['group'])) {
return; return;
} }
$cur_groups = local_user_get_groups($user, true); $cur_groups = local_user_get_groups($user, true);
$mod_groups = array(); $mod_groups = array();
if (!is_array($new_groups)) { if (!is_array($new_groups)) {
$new_groups = array(); $new_groups = array();
} }
if (!is_array($cur_groups)) { if (!is_array($cur_groups)) {
$cur_groups = array(); $cur_groups = array();
} }
/* determine which memberships to add */ /* determine which memberships to add */
foreach ($new_groups as $groupname) { foreach ($new_groups as $groupname) {
if (in_array($groupname,$cur_groups) || !isset($groupindex[$groupname])) { if (in_array($groupname,$cur_groups) || !isset($groupindex[$groupname])) {
// continue if group is already in current list or the groupname is invalid // continue if group is already in current list or the groupname is invalid
continue; continue;
} }
$group = & $config['system']['group'][$groupindex[$groupname]]; $group = & $config['system']['group'][$groupindex[$groupname]];
$group['member'][] = $user['uid']; $group['member'][] = $user['uid'];
$mod_groups[] = $group; $mod_groups[] = $group;
} }
/* determine which memberships to remove */ /* determine which memberships to remove */
foreach ($cur_groups as $groupname) { foreach ($cur_groups as $groupname) {
if (in_array($groupname,$new_groups)) { if (in_array($groupname,$new_groups)) {
continue; continue;
} }
if (!isset($config['system']['group'][$groupindex[$groupname]])) { if (!isset($config['system']['group'][$groupindex[$groupname]])) {
continue; continue;
} }
$group = & $config['system']['group'][$groupindex[$groupname]]; $group = & $config['system']['group'][$groupindex[$groupname]];
if (is_array($group['member'])) { if (is_array($group['member'])) {
$index = array_search($user['uid'], $group['member']); $index = array_search($user['uid'], $group['member']);
array_splice($group['member'], $index, 1); array_splice($group['member'], $index, 1);
$mod_groups[] = $group; $mod_groups[] = $group;
} }
} }
/* sync all modified groups */ /* sync all modified groups */
foreach ($mod_groups as $group) { foreach ($mod_groups as $group) {
local_group_set($group); local_group_set($group);
} }
} }
function local_group_del_user($user) function local_group_del_user($user)
{ {
global $config; global $config;
if (!isset($config['system']['group'])) { if (!isset($config['system']['group'])) {
return; return;
} }
foreach ($config['system']['group'] as $group) { foreach ($config['system']['group'] as $group) {
if (isset($group['member'])) { if (isset($group['member'])) {
foreach ($group['member'] as $idx => $uid) { foreach ($group['member'] as $idx => $uid) {
if ($user['uid'] == $uid) { if ($user['uid'] == $uid) {
unset($config['system']['group']['member'][$idx]); unset($config['system']['group']['member'][$idx]);
} }
} }
} }
} }
} }
function local_group_set($group, $reset = false) function local_group_set($group, $reset = false)
{ {
if (!isset($group['name']) || !isset($group['gid'])) { if (!isset($group['name']) || !isset($group['gid'])) {
// input data invalid // input data invalid
return false; return false;
} }
$group_name = $group['name']; $group_name = $group['name'];
$group_gid = $group['gid']; $group_gid = $group['gid'];
$group_members = ''; $group_members = '';
if (!$reset && !empty($group['member']) && count($group['member']) > 0) { if (!$reset && !empty($group['member']) && count($group['member']) > 0) {
$group_members = implode(',', $group['member']); $group_members = implode(',', $group['member']);
} }
$ret = mwexecf('/usr/sbin/pw groupshow %s', $group_name, true); $ret = mwexecf('/usr/sbin/pw groupshow %s', $group_name, true);
if ($ret) { if ($ret) {
$group_op = 'groupadd'; $group_op = 'groupadd';
} else { } else {
$group_op = 'groupmod'; $group_op = 'groupmod';
} }
mwexecf('/usr/sbin/pw %s %s -g %s -M %s', array($group_op, $group_name, $group_gid, $group_members)); mwexecf('/usr/sbin/pw %s %s -g %s -M %s', array($group_op, $group_name, $group_gid, $group_members));
} }
function local_group_del($group) function local_group_del($group)
{ {
/* delete from group db */ /* delete from group db */
mwexecf('/usr/sbin/pw groupdel %s', $group['name']); mwexecf('/usr/sbin/pw groupdel %s', $group['name']);
} }
function ldap_setup_caenv($authcfg) function ldap_setup_caenv($authcfg)
{ {
unset($caref);
if (empty($authcfg['ldap_caref']) || !strstr($authcfg['ldap_urltype'], "SSL")) {
putenv('LDAPTLS_REQCERT=never');
return;
}
$caref = lookup_ca($authcfg['ldap_caref']);
if (!$caref) {
log_error(sprintf(gettext("LDAP: Could not lookup CA by reference for host %s."), $authcfg['ldap_caref']));
/* XXX: Prevent for credential leaking since we cannot setup the CA env. Better way? */
putenv('LDAPTLS_REQCERT=hard');
return;
}
unset($caref); @mkdir("/var/run/certs");
@unlink("/var/run/certs/{$caref['refid']}.ca");
if (empty($authcfg['ldap_caref']) || !strstr($authcfg['ldap_urltype'], "SSL")) { file_put_contents("/var/run/certs/{$caref['refid']}.ca", base64_decode($caref['crt']));
putenv('LDAPTLS_REQCERT=never'); @chmod("/var/run/certs/{$caref['refid']}.ca", 0600);
return; putenv('LDAPTLS_REQCERT=hard');
} /* XXX: Probably even the hashed link should be created for this? */
putenv("LDAPTLS_CACERTDIR=/var/run/certs");
$caref = lookup_ca($authcfg['ldap_caref']); putenv("LDAPTLS_CACERT=/var/run/certs/{$caref['refid']}.ca");
if (!$caref) {
log_error(sprintf(gettext("LDAP: Could not lookup CA by reference for host %s."), $authcfg['ldap_caref']));
/* XXX: Prevent for credential leaking since we cannot setup the CA env. Better way? */
putenv('LDAPTLS_REQCERT=hard');
return;
}
@mkdir("/var/run/certs");
@unlink("/var/run/certs/{$caref['refid']}.ca");
file_put_contents("/var/run/certs/{$caref['refid']}.ca", base64_decode($caref['crt']));
@chmod("/var/run/certs/{$caref['refid']}.ca", 0600);
putenv('LDAPTLS_REQCERT=hard');
/* XXX: Probably even the hashed link should be created for this? */
putenv("LDAPTLS_CACERTDIR=/var/run/certs");
putenv("LDAPTLS_CACERT=/var/run/certs/{$caref['refid']}.ca");
} }
function is_account_expired($username) { function is_account_expired($username)
$user = getUserEntry($username); {
if (isset($user['expires']) && !empty($user['expires'])) { $user = getUserEntry($username);
if (strtotime("-1 day") > strtotime(date("m/d/Y",strtotime($user['expires'])))) if (isset($user['expires']) && !empty($user['expires'])) {
return true; if (strtotime("-1 day") > strtotime(date("m/d/Y",strtotime($user['expires'])))) {
} return true;
}
}
return false; return false;
} }
function is_account_disabled($username) { function is_account_disabled($username)
$user = getUserEntry($username); {
if (isset($user['disabled'])) $user = getUserEntry($username);
return true; if (isset($user['disabled'])) {
return true;
}
return false; return false;
} }
function auth_get_authserver($name) { function auth_get_authserver($name)
global $config; {
global $config;
if ($name == "Local Database") {
return array( if ($name == "Local Database") {
"name" => gettext("Local Database"), return array(
"type" => "local", "name" => gettext("Local Database"),
"host" => $config['system']['hostname'] "type" => "local",
); "host" => $config['system']['hostname']
} );
}
if (isset($config['system']['authserver']) && is_array($config['system']['authserver'])) { if (isset($config['system']['authserver']) && is_array($config['system']['authserver'])) {
foreach ($config['system']['authserver'] as $authcfg) { foreach ($config['system']['authserver'] as $authcfg) {
if ($authcfg['name'] == $name) { if ($authcfg['name'] == $name) {
if ($authcfg['type'] == 'ldap') { if ($authcfg['type'] == 'ldap') {
// let's try to avoid regenerating the ldap url in every function. // let's try to avoid regenerating the ldap url in every function.
if (strstr($authcfg['ldap_urltype'], "Standard")) { if (strstr($authcfg['ldap_urltype'], "Standard")) {
$authcfg['ldap_full_url'] = "ldap://"; $authcfg['ldap_full_url'] = "ldap://";
} else { } else {
$authcfg['ldap_full_url'] = "ldaps://"; $authcfg['ldap_full_url'] = "ldaps://";
} }
$authcfg['ldap_full_url'] .= is_ipaddrv6($authcfg['host']) ? "[{$authcfg['host']}]" : $authcfg['host']; $authcfg['ldap_full_url'] .= is_ipaddrv6($authcfg['host']) ? "[{$authcfg['host']}]" : $authcfg['host'];
if (!empty($authcfg['ldap_port'])) { if (!empty($authcfg['ldap_port'])) {
$authcfg['ldap_full_url'] .= ":{$authcfg['ldap_port']}"; $authcfg['ldap_full_url'] .= ":{$authcfg['ldap_port']}";
} }
// make sure a user and password entry exists and are null for anonymous usage // make sure a user and password entry exists and are null for anonymous usage
if (empty($authcfg['ldap_binddn'])) { if (empty($authcfg['ldap_binddn'])) {
$authcfg['ldap_binddn'] = null; $authcfg['ldap_binddn'] = null;
} }
if (empty($authcfg['ldap_bindpw'])) { if (empty($authcfg['ldap_bindpw'])) {
$authcfg['ldap_bindpw'] = null; $authcfg['ldap_bindpw'] = null;
} }
}
} return $authcfg;
return $authcfg; }
} }
} }
}
} }
function auth_get_authserver_list() { function auth_get_authserver_list()
global $config; {
global $config;
$list = array(); $list = array();
if (isset($config['system']['authserver']) && is_array($config['system']['authserver'])) { if (isset($config['system']['authserver']) && is_array($config['system']['authserver'])) {
foreach ($config['system']['authserver'] as $authcfg) { foreach ($config['system']['authserver'] as $authcfg) {
/* Add support for disabled entries? */ /* Add support for disabled entries? */
$list[$authcfg['name']] = $authcfg; $list[$authcfg['name']] = $authcfg;
}
} }
}
$list["Local Database"] = array( "name" => gettext("Local Database"), "type" => "local", "host" => $config['system']['hostname']); $list["Local Database"] = array( "name" => gettext("Local Database"), "type" => "local", "host" => $config['system']['hostname']);
return $list; return $list;
} }
function authenticate_user($username, $password, $authcfg = NULL) { function authenticate_user($username, $password, $authcfg = NULL)
{
if (empty($authcfg)) { if (empty($authcfg)) {
$authName = 'Local Database'; $authName = 'Local Database';
} else { } else {
$authName = $authcfg['name']; $authName = $authcfg['name'];
if ($authcfg['type'] == 'local') { if ($authcfg['type'] == 'local') {
// avoid gettext type issues on Local Database, authenticator should always be named "Local Database" // avoid gettext type issues on Local Database, authenticator should always be named "Local Database"
$authName = 'Local Database'; $authName = 'Local Database';
} elseif ($authcfg['type'] == 'ldap') { } elseif ($authcfg['type'] == 'ldap') {
// temporary fix, ldap handler doesn't do this init yet. // temporary fix, ldap handler doesn't do this init yet.
ldap_setup_caenv($authcfg); ldap_setup_caenv($authcfg);
} }
} }
$authFactory = new OPNsense\Auth\AuthenticationFactory; $authFactory = new OPNsense\Auth\AuthenticationFactory;
$authenticator = $authFactory->get($authName); $authenticator = $authFactory->get($authName);
if ($authenticator != null) { if ($authenticator != null) {
return $authenticator->authenticate($username, $password) ; return $authenticator->authenticate($username, $password) ;
} else { } else {
log_error('Unable to retrieve authenticator for '. $authName); log_error('Unable to retrieve authenticator for '. $authName);
return false; return false;
} }
} }
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