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<?php
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/* $Id$ */
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/*
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Copyright (C) 2007, 2008 Scott Ullrich <sullrich@gmail.com>
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All rights reserved.
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Copyright (C) 2005-2006 Bill Marquette <bill.marquette@gmail.com>
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All rights reserved.
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Copyright (C) 2006 Paul Taylor <paultaylor@winn-dixie.com>.
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All rights reserved.
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Copyright (C) 2003-2006 Manuel Kasper <mk@neon1.net>.
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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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DISABLE_PHP_LINT_CHECKING
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pfSense_BUILDER_BINARIES: /usr/sbin/pw /bin/cp
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pfSense_MODULE: auth
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*/
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/*
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* NOTE : Portions of the mschapv2 support was based on the BSD licensed CHAP.php
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* file courtesy of Michael Retterklieber.
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*/
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require_once("config.gui.inc");
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$groupindex = index_groups();
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$userindex = index_users();
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function index_groups() {
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global $g, $debug, $config, $groupindex;
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$groupindex = array();
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if (isset($config['system']['group'])) {
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$i = 0;
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foreach($config['system']['group'] as $groupent) {
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$groupindex[$groupent['name']] = $i;
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$i++;
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}
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}
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return ($groupindex);
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}
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function index_users() {
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global $g, $debug, $config;
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if (isset($config['system']['user'])) {
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$i = 0;
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foreach($config['system']['user'] as $userent) {
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$userindex[$userent['name']] = $i;
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$i++;
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}
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}
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return ($userindex);
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}
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function & getUserEntry($name) {
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global $debug, $config, $userindex;
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if (isset($userindex[$name]))
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return $config['system']['user'][$userindex[$name]];
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}
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function & getUserEntryByUID($uid) {
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global $debug, $config;
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foreach ($config['system']['user'] as & $user)
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if ($user['uid'] == $uid)
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return $user;
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return false;
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}
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function & getGroupEntry($name) {
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global $debug, $config, $groupindex;
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if (isset($groupindex[$name]))
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return $config['system']['group'][$groupindex[$name]];
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}
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function & getGroupEntryByGID($gid) {
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global $debug, $config;
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foreach ($config['system']['group'] as & $group)
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if ($group['gid'] == $gid)
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return $group;
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return false;
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}
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function get_user_privileges(& $user) {
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113
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$privs = $user['priv'];
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if (!is_array($privs))
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$privs = array();
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$names = local_user_get_groups($user, true);
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foreach ($names as $name) {
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$group = getGroupEntry($name);
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if (is_array($group['priv']))
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$privs = array_merge( $privs, $group['priv']);
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}
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return $privs;
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}
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function userHasPrivilege($userent, $privid = false) {
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if (!$privid || !is_array($userent))
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return false;
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$privs = get_user_privileges($userent);
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if (!is_array($privs))
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return false;
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if (!in_array($privid, $privs))
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return false;
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return true;
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}
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function local_backed($username, $passwd) {
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$user = getUserEntry($username);
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if (!$user)
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return false;
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if ($user['password'])
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{
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$passwd = crypt($passwd, $user['password']);
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if ($passwd == $user['password'])
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return true;
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}
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if ($user['md5-hash'])
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{
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$passwd = md5($passwd);
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if ($passwd == $user['md5-hash'])
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return true;
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}
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return false;
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}
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function local_sync_accounts() {
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global $debug, $config;
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conf_mount_rw();
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/* remove local users to avoid uid conflicts */
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$fd = popen("/usr/sbin/pw usershow -a", "r");
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if ($fd) {
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while (!feof($fd)) {
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$line = explode(":",fgets($fd));
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if (!strncmp($line[0], "_", 1))
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continue;
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if ($line[2] < 2000)
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continue;
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if ($line[2] > 65000)
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continue;
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$cmd = "/usr/sbin/pw userdel {$line[2]}";
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if($debug)
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log_error("Running: {$cmd}");
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mwexec($cmd);
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}
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pclose($fd);
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}
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/* remove local groups to avoid gid conflicts */
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$gids = array();
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$fd = popen("/usr/sbin/pw groupshow -a", "r");
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if ($fd) {
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while (!feof($fd)) {
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$line = explode(":",fgets($fd));
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if (!strncmp($line[0], "_", 1))
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continue;
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if ($line[2] < 2000)
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continue;
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if ($line[2] > 65000)
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continue;
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$cmd = "/usr/sbin/pw groupdel {$line[2]}";
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if($debug)
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log_error("Running: {$cmd}");
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mwexec($cmd);
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}
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pclose($fd);
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}
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/* make sure the all group exists */
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$allgrp = getGroupEntryByGID(1998);
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local_group_set($allgrp, true);
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/* sync all local users */
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if (is_array($config['system']['user']))
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foreach ($config['system']['user'] as $user)
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local_user_set($user);
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/* sync all local groups */
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if (is_array($config['system']['group']))
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foreach ($config['system']['group'] as $group)
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local_group_set($group);
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conf_mount_ro();
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}
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function local_user_set(& $user) {
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global $g, $debug;
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conf_mount_rw();
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$home_base = "/home/";
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$user_uid = $user['uid'];
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$user_name = $user['name'];
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$user_home = "{$home_base}/$user_name";
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$user_shell = "/etc/rc.initial";
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$user_group = "nobody";
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// Ensure $home_base exists and is writable
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if (!is_dir($home_base))
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mkdir($home_base, 0755);
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// Ensure $user_home exists and is writable
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if(!is_dir($user_home))
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mkdir($user_home, 0755);
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/* configure shell type */
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if (!userHasPrivilege($user, "user-shell-access")) {
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if (!userHasPrivilege($user, "user-copy-files"))
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$user_shell = "/sbin/nologin";
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else
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$user_shell = "/usr/local/bin/scponly";
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}
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/* root user special handling */
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if ($user_uid == 0) {
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$cmd = "/usr/sbin/pw usermod -q -n root -s /bin/sh -H 0";
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if($debug)
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log_error("Running: {$cmd}");
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$fd = popen($cmd, "w");
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fwrite($fd, $user['password']);
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pclose($fd);
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$user_group = "wheel";
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$user_home = "/root";
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}
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/* admin user special handling */
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if ($user_uid == 0) {
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$cmd = "/usr/sbin/pw usermod -q -n admin -s /bin/sh -H 0";
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if($debug)
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log_error("Running: {$cmd}");
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$fd = popen($cmd, "w");
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fwrite($fd, $user['password']);
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pclose($fd);
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$user_group = "wheel";
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}
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/* read from pw db */
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$fd = popen("/usr/sbin/pw usershow {$user_name} 2>&1", "r");
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$pwread = fgets($fd);
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pclose($fd);
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/* determine add or mod */
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if (!strncmp($pwread, "pw:", 3))
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$user_op = "useradd";
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else
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289
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$user_op = "usermod";
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/* add or mod pw db */
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$cmd = "/usr/sbin/pw {$user_op} -q -u {$user_uid} -n {$user_name}".
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" -g {$user_group} -G all -s {$user_shell} -d {$user_home}".
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" -c ".escapeshellarg($user['fullname'])." -H 0 2>&1";
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296
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if($debug)
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297
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log_error("Running: {$cmd}");
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298
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$fd = popen($cmd, "w");
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299
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fwrite($fd, $user['password']);
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300
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pclose($fd);
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301
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302
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/* create user directory if required */
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303
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if (!is_dir($user_home)) {
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mkdir($user_home, 0700);
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305
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mwexec("cp /root/.* {$home_base}/");
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}
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307
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chown($user_home, $user_name);
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308
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chgrp($user_home, $user_group);
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309
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310
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/* write out ssh authorized key file */
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311
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if($user['authorizedkeys']) {
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312
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if (!is_dir("{$user_home}/.ssh")) {
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313
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mkdir("{$user_home}/.ssh", 0700);
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chown("{$user_home}/.ssh", $user_name);
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}
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316
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$keys = base64_decode($user['authorizedkeys']);
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file_put_contents("{$user_home}/.ssh/authorized_keys", $keys);
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318
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chown("{$user_home}/.ssh/authorized_keys", $user_name);
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}
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320
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321
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conf_mount_ro();
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322
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}
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323
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324
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function local_user_del($user) {
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325
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global $debug;
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326
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327
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/* remove all memberships */
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328
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local_user_get_groups($user);
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329
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330
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/* delete from pw db */
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331
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$cmd = "/usr/sbin/pw userdel {$user['name']}";
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332
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333
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if($debug)
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334
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log_error("Running: {$cmd}");
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335
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$fd = popen($cmd, "w");
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336
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fwrite($fd, $user['password']);
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337
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pclose($fd);
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338
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339
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}
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340
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341
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function local_user_set_password(& $user, $password) {
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342
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343
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$user['password'] = crypt($password);
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344
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$user['md5-hash'] = md5($password);
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345
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346
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// Converts ascii to unicode.
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347
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$astr = (string) $password;
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348
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$ustr = '';
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349
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for ($i = 0; $i < strlen($astr); $i++) {
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350
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$a = ord($astr{$i}) << 8;
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351
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$ustr.= sprintf("%X", $a);
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352
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}
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353
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|
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354
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// Generate the NT-HASH from the unicode string
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355
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$user['nt-hash'] = bin2hex(mhash(MHASH_MD4, $ustr));
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356
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}
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|
357
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|
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358
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function local_user_get_groups($user, $all = false) {
|
|
359
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global $debug, $config;
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|
360
|
|
|
361
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$groups = array();
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|
362
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if (!is_array($config['system']['group']))
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363
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return $groups;
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364
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|
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365
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foreach ($config['system']['group'] as $group)
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366
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if ( $all || ( !$all && ($group['name'] != "all")))
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367
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if (is_array($group['member']))
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368
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if (in_array($user['uid'], $group['member']))
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369
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$groups[] = $group['name'];
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370
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371
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sort($groups);
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372
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373
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return $groups;
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|
374
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|
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375
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}
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|
376
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|
|
377
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function local_user_set_groups($user, $new_groups = NULL ) {
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|
378
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global $debug, $config, $groupindex;
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|
379
|
|
|
380
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if (!is_array($config['system']['group']))
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|
381
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return;
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|
382
|
|
|
383
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$cur_groups = local_user_get_groups($user);
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|
384
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$mod_groups = array();
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|
385
|
|
|
386
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if (!is_array($new_groups))
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|
387
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$new_groups = array();
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|
388
|
|
|
389
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if (!is_array($cur_groups))
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|
390
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$cur_groups = array();
|
|
391
|
|
|
392
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/* determine which memberships to add */
|
|
393
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foreach ($new_groups as $groupname) {
|
|
394
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if (in_array($groupname,$cur_groups))
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395
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continue;
|
|
396
|
$group = & $config['system']['group'][$groupindex[$groupname]];
|
|
397
|
$group['member'][] = $user['uid'];
|
|
398
|
$mod_groups[] = $group;
|
|
399
|
}
|
|
400
|
|
|
401
|
/* determine which memberships to remove */
|
|
402
|
foreach ($cur_groups as $groupname) {
|
|
403
|
if (in_array($groupname,$new_groups))
|
|
404
|
continue;
|
|
405
|
$group = & $config['system']['group'][$groupindex[$groupname]];
|
|
406
|
$index = array_search($user['uid'], $group['member']);
|
|
407
|
array_splice($group['member'], $index, 1);
|
|
408
|
$mod_groups[] = $group;
|
|
409
|
}
|
|
410
|
|
|
411
|
/* sync all modified groups */
|
|
412
|
foreach ($mod_groups as $group)
|
|
413
|
local_group_set($group);
|
|
414
|
}
|
|
415
|
|
|
416
|
function local_group_set($group, $reset = false) {
|
|
417
|
global $debug;
|
|
418
|
|
|
419
|
$group_name = $group['name'];
|
|
420
|
$group_gid = $group['gid'];
|
|
421
|
$group_members = "''";
|
|
422
|
if (!$reset && count($group['member']))
|
|
423
|
$group_members = implode(",",$group['member']);
|
|
424
|
|
|
425
|
/* read from group db */
|
|
426
|
$fd = popen("/usr/sbin/pw groupshow {$group_name} 2>&1", "r");
|
|
427
|
$pwread = fgets($fd);
|
|
428
|
pclose($fd);
|
|
429
|
|
|
430
|
/* determine add or mod */
|
|
431
|
if (!strncmp($pwread, "pw:", 3))
|
|
432
|
$group_op = "groupadd";
|
|
433
|
else
|
|
434
|
$group_op = "groupmod";
|
|
435
|
|
|
436
|
/* add or mod group db */
|
|
437
|
$cmd = "/usr/sbin/pw {$group_op} {$group_name} -g {$group_gid} -M {$group_members} 2>&1";
|
|
438
|
|
|
439
|
if($debug)
|
|
440
|
log_error("Running: {$cmd}");
|
|
441
|
$fd = popen($cmd, "w");
|
|
442
|
fwrite($fd, $user['password']);
|
|
443
|
pclose($fd);
|
|
444
|
|
|
445
|
}
|
|
446
|
|
|
447
|
function local_group_del($group) {
|
|
448
|
global $debug;
|
|
449
|
|
|
450
|
/* delete from group db */
|
|
451
|
$cmd = "/usr/sbin/pw groupdel {$group['name']}";
|
|
452
|
|
|
453
|
if($debug)
|
|
454
|
log_error("Running: {$cmd}");
|
|
455
|
$fd = popen($cmd, "w");
|
|
456
|
fwrite($fd, $user['password']);
|
|
457
|
pclose($fd);
|
|
458
|
|
|
459
|
}
|
|
460
|
|
|
461
|
function ldap_test_connection() {
|
|
462
|
global $debug, $config, $g;
|
|
463
|
|
|
464
|
$ldapserver = $config['system']['webgui']['ldapserver'];
|
|
465
|
$ldapbindun = $config['system']['webgui']['ldapbindun'];
|
|
466
|
$ldapbindpw = $config['system']['webgui']['ldapbindpw'];
|
|
467
|
|
|
468
|
if (!($ldap = ldap_connect($ldapserver)))
|
|
469
|
return false;
|
|
470
|
|
|
471
|
return true;
|
|
472
|
}
|
|
473
|
|
|
474
|
function ldap_test_bind() {
|
|
475
|
global $debug, $config, $g;
|
|
476
|
|
|
477
|
$ldapserver = $config['system']['webgui']['ldapserver'];
|
|
478
|
$ldapbindun = $config['system']['webgui']['ldapbindun'];
|
|
479
|
$ldapbindpw = $config['system']['webgui']['ldapbindpw'];
|
|
480
|
|
|
481
|
if (!($ldap = ldap_connect($ldapserver)))
|
|
482
|
return false;
|
|
483
|
|
|
484
|
ldap_set_option($ldap, LDAP_OPT_REFERRALS, 0);
|
|
485
|
ldap_set_option($ldap, LDAP_OPT_PROTOCOL_VERSION, 3);
|
|
486
|
|
|
487
|
if (!($res = @ldap_bind($ldap, $ldapbindun, $ldapbindpw)))
|
|
488
|
return false;
|
|
489
|
|
|
490
|
return true;
|
|
491
|
}
|
|
492
|
|
|
493
|
function ldap_get_user_ous($show_complete_ou=true) {
|
|
494
|
global $debug, $config, $g;
|
|
495
|
|
|
496
|
if(!function_exists("ldap_connect"))
|
|
497
|
return;
|
|
498
|
|
|
499
|
$ldapserver = $config['system']['webgui']['ldapserver'];
|
|
500
|
$ldapbindun = $config['system']['webgui']['ldapbindun'];
|
|
501
|
$ldapbindpw = $config['system']['webgui']['ldapbindpw'];
|
|
502
|
$ldapsearchbase = "{$config['system']['webgui']['ldapsearchbase']}";
|
|
503
|
$ldaptype = $config['system']['webgui']['backend'];
|
|
504
|
|
|
505
|
$ldapfilter = "(ou=*)";
|
|
506
|
putenv('LDAPTLS_REQCERT=never');
|
|
507
|
if (!($ldap = ldap_connect($ldapserver))) {
|
|
508
|
log_error("ERROR! ldap_get_groups() could not connect to server {$ldapserver}. Defaulting to built-in local_backed()");
|
|
509
|
$status = local_backed($username, $passwd);
|
|
510
|
return $status;
|
|
511
|
}
|
|
512
|
|
|
513
|
ldap_set_option($ldap, LDAP_OPT_REFERRALS, 0);
|
|
514
|
ldap_set_option($ldap, LDAP_OPT_PROTOCOL_VERSION, 3);
|
|
515
|
|
|
516
|
if (!($res = @ldap_bind($ldap, $ldapbindun, $ldapbindpw))) {
|
|
517
|
log_error("ERROR! ldap_get_groups() could not bind to {$ldapserver} - {$ldapfilter}. Defaulting to built-in local_backed()");
|
|
518
|
$status = local_backed($username, $passwd);
|
|
519
|
return $status;
|
|
520
|
}
|
|
521
|
|
|
522
|
$search = ldap_search($ldap, $ldapsearchbase, $ldapfilter);
|
|
523
|
|
|
524
|
$info = ldap_get_entries($ldap, $search);
|
|
525
|
|
|
526
|
$ous = array();
|
|
527
|
|
|
528
|
if (is_array($info)) {
|
|
529
|
foreach ($info as $inf) {
|
|
530
|
if (!$show_complete_ou) {
|
|
531
|
$inf_split = split(",", $inf['dn']);
|
|
532
|
$ou = $inf_split[0];
|
|
533
|
$ou = str_replace("OU=","", $ou);
|
|
534
|
} else
|
|
535
|
if($inf['dn'])
|
|
536
|
$ou = $inf['dn'];
|
|
537
|
if($ou)
|
|
538
|
$ous[] = $ou;
|
|
539
|
}
|
|
540
|
}
|
|
541
|
|
|
542
|
//Tack on the default Users container for AD since its non-standard
|
|
543
|
if($ldaptype == 'ldap')
|
|
544
|
$ous[] = "CN=Users,".$ldapsearchbase;
|
|
545
|
|
|
546
|
return $ous;
|
|
547
|
}
|
|
548
|
|
|
549
|
function ldap_get_groups($username) {
|
|
550
|
global $debug, $config;
|
|
551
|
|
|
552
|
if(!function_exists("ldap_connect"))
|
|
553
|
return;
|
|
554
|
|
|
555
|
if(!$username)
|
|
556
|
return false;
|
|
557
|
|
|
558
|
if(stristr($username, "@")) {
|
|
559
|
$username_split=split("\@", $username);
|
|
560
|
$username = $username_split[0];
|
|
561
|
}
|
|
562
|
|
|
563
|
if(stristr($username, "\\")) {
|
|
564
|
$username_split=split("\\", $username);
|
|
565
|
$username = $username_split[0];
|
|
566
|
}
|
|
567
|
|
|
568
|
//log_error("Getting LDAP groups for {$username}.");
|
|
569
|
|
|
570
|
$ldapserver = $config['system']['webgui']['ldapserver'];
|
|
571
|
$ldapbindun = $config['system']['webgui']['ldapbindun'];
|
|
572
|
$ldapbindpw = $config['system']['webgui']['ldapbindpw'];
|
|
573
|
$ldapfilter = $config['system']['webgui']['ldapfilter'];
|
|
574
|
$ldapfilter = str_replace("\$username", $username, $ldapfilter);
|
|
575
|
$ldapgroupattribute = $config['system']['webgui']['ldapgroupattribute'];
|
|
576
|
$ldapdn = $_SESSION['ldapdn'];
|
|
577
|
|
|
578
|
/*Convert attribute to lowercase. php ldap arrays put everything in lowercase */
|
|
579
|
$ldapgroupattribute = strtolower($ldapgroupattribute);
|
|
580
|
|
|
581
|
/* connect and see if server is up */
|
|
582
|
putenv('LDAPTLS_REQCERT=never');
|
|
583
|
if (!($ldap = ldap_connect($ldapserver))) {
|
|
584
|
log_error("ERROR! ldap_get_groups() could not connect to server {$ldapserver}. Defaulting to built-in local_backed()");
|
|
585
|
$status = local_backed($username, $passwd);
|
|
586
|
return $status;
|
|
587
|
}
|
|
588
|
|
|
589
|
ldap_set_option($ldap, LDAP_OPT_REFERRALS, 0);
|
|
590
|
ldap_set_option($ldap, LDAP_OPT_PROTOCOL_VERSION, 3);
|
|
591
|
|
|
592
|
/* bind as user that has rights to read group attributes */
|
|
593
|
if (!($res = @ldap_bind($ldap, $ldapbindun, $ldapbindpw))) {
|
|
594
|
log_error("ERROR! ldap_get_groups() could not bind to {$ldapserver} - {$ldapfilter}. Defaulting to built-in local_backed()");
|
|
595
|
$status = local_backed($username, $passwd);
|
|
596
|
return $status;
|
|
597
|
}
|
|
598
|
|
|
599
|
/* get groups from DN found */
|
|
600
|
/* use ldap_read instead of search so we don't have to do a bunch of extra work */
|
|
601
|
/* since we know the DN is in $_SESSION['ldapdn'] */
|
|
602
|
//$search = ldap_read($ldap, $ldapdn, "(objectclass=*)", array($ldapgroupattribute));
|
|
603
|
$search = ldap_read($ldap, $ldapdn, $ldapfilter, array($ldapgroupattribute));
|
|
604
|
$info = ldap_get_entries($ldap, $search);
|
|
605
|
|
|
606
|
$countem = $info["count"];
|
|
607
|
$memberof = array();
|
|
608
|
|
|
609
|
if(is_array($info[0][$ldapgroupattribute])) {
|
|
610
|
/* Iterate through the groups and throw them into an array */
|
|
611
|
foreach ($info[0][$ldapgroupattribute] as $member) {
|
|
612
|
if (stristr($member, "CN=") !== false) {
|
|
613
|
$membersplit = split(",", $member);
|
|
614
|
$memberof[] = preg_replace("/CN=/i", "", $membersplit[0]);
|
|
615
|
}
|
|
616
|
}
|
|
617
|
}
|
|
618
|
|
|
619
|
/* Time to close LDAP connection */
|
|
620
|
ldap_close($ldap);
|
|
621
|
|
|
622
|
$groups = print_r($memberof,true);
|
|
623
|
|
|
624
|
//log_error("Returning groups ".$groups." for user $username");
|
|
625
|
|
|
626
|
return $memberof;
|
|
627
|
}
|
|
628
|
|
|
629
|
function ldap_backed($username, $passwd) {
|
|
630
|
global $debug, $config;
|
|
631
|
|
|
632
|
if(!$username)
|
|
633
|
return;
|
|
634
|
|
|
635
|
if(!function_exists("ldap_connect"))
|
|
636
|
return;
|
|
637
|
|
|
638
|
$adbindas = $username;
|
|
639
|
|
|
640
|
if(stristr($username, "@")) {
|
|
641
|
$username_split=split("\@", $username);
|
|
642
|
$username = $username_split[0];
|
|
643
|
}
|
|
644
|
if(stristr($username, "\\")) {
|
|
645
|
$username_split=split("\\", $username);
|
|
646
|
$username = $username_split[0];
|
|
647
|
}
|
|
648
|
|
|
649
|
$ldapserver = $config['system']['webgui']['ldapserver'];
|
|
650
|
$ldapbindun = $config['system']['webgui']['ldapbindun'];
|
|
651
|
$ldapbindpw = $config['system']['webgui']['ldapbindpw'];
|
|
652
|
$ldapauthcont = $config['system']['webgui']['ldapauthcontainers'];
|
|
653
|
$ldapnameattribute = $config['system']['webgui']['ldapnameattribute'];
|
|
654
|
$ldapfilter = $config['system']['webgui']['ldapfilter'];
|
|
655
|
$ldaptype = $config['system']['webgui']['backend'];
|
|
656
|
$ldapfilter = str_replace("\$username", $username, $ldapfilter);
|
|
657
|
|
|
658
|
/* first check if there is even an LDAP server populated */
|
|
659
|
if(!$ldapserver) {
|
|
660
|
log_error("ERROR! ldap_backed() backed selected with no LDAP authentication server defined. Defaulting to built-in local_backed(). Visit System -> User Manager -> Settings.");
|
|
661
|
$status = local_backed($username, $passwd);
|
|
662
|
return $status;
|
|
663
|
}
|
|
664
|
|
|
665
|
ldap_set_option($ldap, LDAP_OPT_REFERRALS, 0);
|
|
666
|
ldap_set_option($ldap, LDAP_OPT_PROTOCOL_VERSION, 3);
|
|
667
|
|
|
668
|
/* Make sure we can connect to LDAP */
|
|
669
|
putenv('LDAPTLS_REQCERT=never');
|
|
670
|
if (!($ldap = ldap_connect($ldapserver))) {
|
|
671
|
log_error("ERROR! ldap_backed() could not connect to server {$ldapserver} - {$ldapfilter}. Defaulting to built-in local_backed(). Visit System -> User Manager -> Settings.");
|
|
672
|
$status = local_backed($username, $passwd);
|
|
673
|
return $status;
|
|
674
|
}
|
|
675
|
/* ok, its up. now, lets bind as the bind user so we can search it */
|
|
676
|
if (!($res = ldap_bind($ldap, $ldapbindun, $ldapbindpw))) {
|
|
677
|
log_error("ERROR! ldap_backed() could not bind to {$ldapserver} - {$ldapfilter}. Defaulting to built-in local_backed()");
|
|
678
|
ldap_close($ldap);
|
|
679
|
$status = local_backed($username, $passwd);
|
|
680
|
return $status;
|
|
681
|
}
|
|
682
|
|
|
683
|
/* Get LDAP Authcontainers and split em up. */
|
|
684
|
$ldac_split = split(";", $ldapauthcont);
|
|
685
|
|
|
686
|
/* now count how many there are */
|
|
687
|
$containers = count($ldac_split);
|
|
688
|
log_error("Number of Authentication Containers to search for $username is {$containers}");
|
|
689
|
|
|
690
|
/* setup the usercount so we think we havn't found anyone yet */
|
|
691
|
$usercount = 0;
|
|
692
|
|
|
693
|
/******************************/
|
|
694
|
/* Currently LDAP Types are */
|
|
695
|
/* LDAP = Active Directory */
|
|
696
|
/* LDAPOTHER = eDir/Openldap */
|
|
697
|
/******************************/
|
|
698
|
|
|
699
|
/*****************************************************************/
|
|
700
|
/* Now Active Directory We keep this seperate for future addons. */
|
|
701
|
/*****************************************************************/
|
|
702
|
/* Now LDAP other. eDirectory or Netscape or Sunone or OpenLDAP */
|
|
703
|
/*****************************************************************/
|
|
704
|
/* We First find the user based on username and filter */
|
|
705
|
/* Then, once we find the first occurance of that person */
|
|
706
|
/* We set seesion variables to ponit to the OU and DN of the */
|
|
707
|
/* Person. To later be used by ldap_get_groups. */
|
|
708
|
/* that way we don't have to search twice. */
|
|
709
|
/*****************************************************************/
|
|
710
|
if ($ldaptype == 'ldap'){
|
|
711
|
log_error("Now Searching for {$username} in Active directory.");
|
|
712
|
/* Iterate through the user containers for search */
|
|
713
|
for ($i=0;$i<$containers;$i++){
|
|
714
|
/* Make sure we just use the first user we find */
|
|
715
|
log_error("Now Searching in {$ldac_split[$i]} for {$ldapfilter}.");
|
|
716
|
$search = ldap_search($ldap,$ldac_split[$i],$ldapfilter);
|
|
717
|
$info = ldap_get_entries($ldap,$search);
|
|
718
|
$matches = $info['count'];
|
|
719
|
log_error("Matches Found = {$matches}");
|
|
720
|
if ($matches == 1){
|
|
721
|
$_SESSION['ldapdn'] = $info[0]['dn'];
|
|
722
|
$_SESSION['ldapou'] = $ldac_split[$i];
|
|
723
|
$_SESSION['ldapon'] = "true";
|
|
724
|
$ldapdn = $_SESSION['ldapdn'];
|
|
725
|
$userou = $_SESSION['ldapou'];
|
|
726
|
break;
|
|
727
|
}
|
|
728
|
}
|
|
729
|
|
|
730
|
if ($matches == 1){
|
|
731
|
$binduser = $adbindas;
|
|
732
|
log_error("Going to login as {$username} - DN = {$_SESSION['ldapdn']}");
|
|
733
|
}
|
|
734
|
if ($matches != 1){
|
|
735
|
log_error("ERROR! Either LDAP search failed, or multiple users were found");
|
|
736
|
$status = local_backed($username, $passwd);
|
|
737
|
$_SESSION['ldapon'] = "false";
|
|
738
|
ldap_close($ldap);
|
|
739
|
return $status;
|
|
740
|
}
|
|
741
|
}
|
|
742
|
|
|
743
|
/*****************************************************************/
|
|
744
|
/* Now LDAP other. eDirectory or Netscape or Sunone or OpenLDAP */
|
|
745
|
/*****************************************************************/
|
|
746
|
/* We First find the user based on username and filter */
|
|
747
|
/* Then, once we find the first occurance of that person */
|
|
748
|
/* We set seesion variables to ponit to the OU and DN of the */
|
|
749
|
/* Person. To later be used by ldap_get_groups. */
|
|
750
|
/* that way we don't have to search twice. */
|
|
751
|
/*****************************************************************/
|
|
752
|
if ($ldaptype == 'ldapother'){
|
|
753
|
log_error("Now Searching for {$username} in LDAP.");
|
|
754
|
/* Iterate through the user containers for search */
|
|
755
|
for ($i=0;$i<$containers;$i++){
|
|
756
|
/* Make sure we just use the first user we find */
|
|
757
|
log_error("Now searching in {$ldac_split[$i]} for {$ldapfilter}.");
|
|
758
|
$search = ldap_search($ldap,$ldac_split[$i],$ldapfilter);
|
|
759
|
$info = ldap_get_entries($ldap,$search);
|
|
760
|
$matches = $info['count'];
|
|
761
|
log_error("Matches Found = {$matches}.");
|
|
762
|
|
|
763
|
if ($matches == 1){
|
|
764
|
$_SESSION['ldapdn'] = $info[0]['dn'];
|
|
765
|
$_SESSION['ldapou'] = $ldac_split[$i];
|
|
766
|
$_SESSION['ldapon'] = "true";
|
|
767
|
$ldapdn = $_SESSION['ldapdn'];
|
|
768
|
$userou = $_SESSION['ldapou'];
|
|
769
|
break;
|
|
770
|
}
|
|
771
|
}
|
|
772
|
if($matches == 1){
|
|
773
|
$binduser = $ldapnameattribute."=".$username.",".$userou;
|
|
774
|
log_error("Going to login as {$username} - DN = {$_SESSION['ldapdn']}");
|
|
775
|
}
|
|
776
|
if($matches != 1){
|
|
777
|
log_error("ERROR! Either LDAP search failed, or multiple users were found");
|
|
778
|
$status = local_backed($username, $passwd);
|
|
779
|
ldap_close($ldap);
|
|
780
|
$_SESSION['ldapon'] = "false";
|
|
781
|
return $status;
|
|
782
|
}
|
|
783
|
}
|
|
784
|
|
|
785
|
/* Now lets bind as the user we found */
|
|
786
|
if (!($res = @ldap_bind($ldap, $binduser, $passwd))) {
|
|
787
|
log_error("ERROR! ldap_backed() could not bind to {$ldapserver} - {$username} - {$passwd}. Defaulting to built-in local_backed(). Visit System -> User Manager -> Settings.");
|
|
788
|
$status = local_backed($username, $passwd);
|
|
789
|
return $status;
|
|
790
|
}
|
|
791
|
|
|
792
|
log_error("$binduser succesfully logged in via LDAP.");
|
|
793
|
|
|
794
|
/* At this point we are bound to LDAP so the user was auth'd okay. */
|
|
795
|
return true;
|
|
796
|
}
|
|
797
|
|
|
798
|
function radius_backed($username, $passwd){
|
|
799
|
global $debug, $config, $debug;
|
|
800
|
$ret = false;
|
|
801
|
$radiusservers = $config['system']['radius']['servers'];
|
|
802
|
|
|
803
|
$rauth = new Auth_RADIUS_PAP($username, $passwd);
|
|
804
|
/* Add a new servers to our instance */
|
|
805
|
foreach ($radiusservers as $radsrv)
|
|
806
|
$rauth->addServer($radsrv['ipaddr'], $radsrv['port'], $radsrv['sharedsecret']);
|
|
807
|
|
|
808
|
if (!$rauth->start()) {
|
|
809
|
$retvalue['auth_val'] = 1;
|
|
810
|
$retvalue['error'] = $rauth->getError();
|
|
811
|
if ($debug)
|
|
812
|
printf("Radius start: %s<br>\n", $retvalue['error']);
|
|
813
|
}
|
|
814
|
|
|
815
|
// XXX - billm - somewhere in here we need to handle securid challenge/response
|
|
816
|
|
|
817
|
/* Send request */
|
|
818
|
$result = $rauth->send();
|
|
819
|
if (PEAR::isError($result)) {
|
|
820
|
$retvalue['auth_val'] = 1;
|
|
821
|
$retvalue['error'] = $result->getMessage();
|
|
822
|
if ($debug)
|
|
823
|
printf("Radius send failed: %s<br>\n", $retvalue['error']);
|
|
824
|
} else if ($result === true) {
|
|
825
|
$retvalue['auth_val'] = 2;
|
|
826
|
if ($debug)
|
|
827
|
printf(gettext("Radius Auth succeeded")."<br>\n");
|
|
828
|
$ret = true;
|
|
829
|
} else {
|
|
830
|
$retvalue['auth_val'] = 3;
|
|
831
|
if ($debug)
|
|
832
|
printf(gettext("Radius Auth rejected")."<br>\n");
|
|
833
|
}
|
|
834
|
|
|
835
|
// close OO RADIUS_AUTHENTICATION
|
|
836
|
$rauth->close();
|
|
837
|
|
|
838
|
return $ret;
|
|
839
|
}
|
|
840
|
|
|
841
|
function get_user_expiration_date($username) {
|
|
842
|
global $config;
|
|
843
|
foreach($config['system']['user'] as $user) {
|
|
844
|
if($user['name'] == $username) {
|
|
845
|
if($user['expires'])
|
|
846
|
return $user['expires'];
|
|
847
|
}
|
|
848
|
}
|
|
849
|
}
|
|
850
|
|
|
851
|
function is_account_disabled($username) {
|
|
852
|
global $config;
|
|
853
|
foreach($config['system']['user'] as $user)
|
|
854
|
if($user['name'] == $username)
|
|
855
|
if(isset($user['disabled']))
|
|
856
|
return true;
|
|
857
|
return false;
|
|
858
|
}
|
|
859
|
|
|
860
|
function session_auth($backing) {
|
|
861
|
global $g, $debug, $HTTP_SERVER_VARS, $userindex, $config, $_SESSION, $page;
|
|
862
|
|
|
863
|
session_start();
|
|
864
|
|
|
865
|
/* Validate incoming login request */
|
|
866
|
if (isset($_POST['login'])) {
|
|
867
|
if ($backing($_POST['usernamefld'], $_POST['passwordfld'])) {
|
|
868
|
$acct_expires = get_user_expiration_date($_POST['usernamefld']);
|
|
869
|
if($acct_expires) {
|
|
870
|
if (strtotime("-1 day") > strtotime(date("m/d/Y",strtotime($acct_expires)))) {
|
|
871
|
log_error("Attempted login for invalid user '{$_POST['usernamefld']}' from: {$_SERVER['REMOTE_ADDR']}");
|
|
872
|
if(isAjax()) {
|
|
873
|
echo "showajaxmessage('{$_SESSION['Login_Error']}');";
|
|
874
|
return;
|
|
875
|
}
|
|
876
|
}
|
|
877
|
} else {
|
|
878
|
if(is_account_disabled($_POST['usernamefld'])) {
|
|
879
|
log_error("Attempted login for invalid user '{$_POST['usernamefld']}' from: {$_SERVER['REMOTE_ADDR']}");
|
|
880
|
if(isAjax()) {
|
|
881
|
echo "showajaxmessage('{$_SESSION['Login_Error']}');";
|
|
882
|
return;
|
|
883
|
}
|
|
884
|
} else {
|
|
885
|
$_SESSION['Logged_In'] = "True";
|
|
886
|
$_SESSION['Username'] = $_POST['usernamefld'];
|
|
887
|
$_SESSION['last_access'] = time();
|
|
888
|
log_error("Successful login for user '{$_POST['usernamefld']}' from: {$_SERVER['REMOTE_ADDR']}");
|
|
889
|
require_once("functions.inc");
|
|
890
|
pfSenseHeader("/{$page}");
|
|
891
|
}
|
|
892
|
}
|
|
893
|
} else {
|
|
894
|
/* give the user a more detailed error message */
|
|
895
|
if (isset($userindex[$_POST['usernamefld']])) {
|
|
896
|
$_SESSION['Login_Error'] = "Username or Password incorrect";
|
|
897
|
log_error("Wrong password entered for user '{$_POST['usernamefld']}' from: {$_SERVER['REMOTE_ADDR']}");
|
|
898
|
if(isAjax()) {
|
|
899
|
echo "showajaxmessage('{$_SESSION['Login_Error']}');";
|
|
900
|
return;
|
|
901
|
}
|
|
902
|
} else {
|
|
903
|
$_SESSION['Login_Error'] = "Username or Password incorrect";
|
|
904
|
log_error("Attempted login for invalid user '{$_POST['usernamefld']}' from: {$_SERVER['REMOTE_ADDR']}");
|
|
905
|
if(isAjax()) {
|
|
906
|
echo "showajaxmessage('{$_SESSION['Login_Error']}');";
|
|
907
|
return;
|
|
908
|
}
|
|
909
|
}
|
|
910
|
}
|
|
911
|
}
|
|
912
|
|
|
913
|
/* Show login page if they aren't logged in */
|
|
914
|
if (empty($_SESSION['Logged_In'])) {
|
|
915
|
/* Don't display login forms to AJAX */
|
|
916
|
if (isAjax())
|
|
917
|
return false;
|
|
918
|
require_once("authgui.inc");
|
|
919
|
display_login_form();
|
|
920
|
return false;
|
|
921
|
}
|
|
922
|
|
|
923
|
/* If session timeout isn't set, we don't mark sessions stale */
|
|
924
|
if (!isset($config['system']['webgui']['session_timeout']) ||
|
|
925
|
$config['system']['webgui']['session_timeout'] == 0 ||
|
|
926
|
$config['system']['webgui']['session_timeout'] == "")
|
|
927
|
$_SESSION['last_access'] = time();
|
|
928
|
else {
|
|
929
|
/* Check for stale session */
|
|
930
|
if ($_SESSION['last_access'] < (time() - ($config['system']['webgui']['session_timeout'] * 60))) {
|
|
931
|
$_GET['logout'] = true;
|
|
932
|
$_SESSION['Logout'] = true;
|
|
933
|
} else {
|
|
934
|
/* only update if it wasn't ajax */
|
|
935
|
if (!isAjax())
|
|
936
|
$_SESSION['last_access'] = time();
|
|
937
|
}
|
|
938
|
}
|
|
939
|
|
|
940
|
/* obtain user object */
|
|
941
|
$user = getUserEntry($_SESSION['Username']);
|
|
942
|
|
|
943
|
/* user hit the logout button */
|
|
944
|
if (isset($_GET['logout'])) {
|
|
945
|
|
|
946
|
if ($_SESSION['Logout'])
|
|
947
|
log_error("Session timed out for user '{$_SESSION['Username']}' from: {$_SERVER['REMOTE_ADDR']}");
|
|
948
|
else
|
|
949
|
log_error("User logged out for user '{$_SESSION['Username']}' from: {$_SERVER['REMOTE_ADDR']}");
|
|
950
|
|
|
951
|
/* wipe out $_SESSION */
|
|
952
|
$_SESSION = array();
|
|
953
|
|
|
954
|
if (isset($_COOKIE[session_name()]))
|
|
955
|
setcookie(session_name(), '', time()-42000, '/');
|
|
956
|
|
|
957
|
/* and destroy it */
|
|
958
|
session_destroy();
|
|
959
|
|
|
960
|
$scriptName = split("/", $_SERVER["SCRIPT_FILENAME"]);
|
|
961
|
$scriptElms = count($scriptName);
|
|
962
|
$scriptName = $scriptName[$scriptElms-1];
|
|
963
|
|
|
964
|
if (isAjax())
|
|
965
|
return false;
|
|
966
|
|
|
967
|
/* redirect to page the user is on, it'll prompt them to login again */
|
|
968
|
Header("Location: {$scriptName}");
|
|
969
|
|
|
970
|
return false;
|
|
971
|
}
|
|
972
|
|
|
973
|
/*
|
|
974
|
* this is for debugging purpose if you do not want to use Ajax
|
|
975
|
* to submit a HTML form. It basically diables the observation
|
|
976
|
* of the submit event and hence does not trigger Ajax.
|
|
977
|
*/
|
|
978
|
if ($_GET['disable_ajax']) {
|
|
979
|
$_SESSION['NO_AJAX'] = "True";
|
|
980
|
$HTTP_SERVER_VARS['AUTH_USER'] = $_SESSION['Username'];
|
|
981
|
return true;
|
|
982
|
}
|
|
983
|
|
|
984
|
/*
|
|
985
|
* Same to re-enable Ajax.
|
|
986
|
*/
|
|
987
|
if ($_GET['enable_ajax']) {
|
|
988
|
unset($_SESSION['NO_AJAX']);
|
|
989
|
$HTTP_SERVER_VARS['AUTH_USER'] = $_SESSION['Username'];
|
|
990
|
return true;
|
|
991
|
}
|
|
992
|
|
|
993
|
$HTTP_SERVER_VARS['AUTH_USER'] = $_SESSION['Username'];
|
|
994
|
return true;
|
|
995
|
}
|
|
996
|
|
|
997
|
?>
|