diff options
Diffstat (limited to 'config/sshdcond/sshdcond.inc')
| -rw-r--r-- | config/sshdcond/sshdcond.inc | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/config/sshdcond/sshdcond.inc b/config/sshdcond/sshdcond.inc new file mode 100644 index 00000000..e29109cc --- /dev/null +++ b/config/sshdcond/sshdcond.inc @@ -0,0 +1,259 @@ +<?php
+
+/* ========================================================================== */
+/*
+ sshdcond.inc
+ part of pfSense (http://www.pfSense.com)
+ Copyright (C) 2012 Marcello Coutinho
+ Copyright (C) 2012 Han Van (namezero@afim.info)
+ All rights reserved.
+
+ Based on m0n0wall (http://m0n0.ch/wall)
+ Copyright (C) 2003-2006 Manuel Kasper <mk@neon1.net>.
+ All rights reserved.
+ */
+/* ========================================================================== */
+/*
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+ OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE.
+ */
+/* ========================================================================== */
+ require_once("config.inc");
+ require_once("util.inc");
+
+function restart_sshd(){
+ #backup /etc/sshd before any change
+ $etc_sshd="/etc/sshd";
+ $pfsense_version=preg_replace("/\s/","",file_get_contents("/etc/version"));
+ if (!file_exists('/root/'.$pfsense_version.'.sshd.backup')){
+ copy ($etc_sshd,'/root/'.$pfsense_version.'.sshd.backup');
+ }
+
+ #patch /etc/sshd if need
+ $sshd_file=file($etc_sshd);
+ $sshd_new_file="";
+ foreach ($sshd_file as $line){
+ if (preg_match('/sshconf .= "Port/',$line)){
+ $sshd_new_file.= $line;
+ $sshd_new_file.= "\t".'if(file_exists("/etc/ssh/sshd_extra")){$sshconf.=file_get_contents("/etc/ssh/sshd_extra");}'."\n";
+ }
+ elseif(!preg_match('/sshd_extra/',$line)){
+ $sshd_new_file.= $line;
+ }
+ }
+ file_put_contents($etc_sshd,$sshd_new_file,LOCK_EX);
+ mwexec_bg($etc_sshd);
+ }
+
+function sshdcond_custom_php_install_command(){
+ global $g, $config;
+
+ conf_mount_rw();
+
+ // We need to generate an outfile for our extra commands
+ // The patched g_szSSHDFileGenerate php file then reads and appends that config
+ $fd = fopen("/etc/ssh/sshd_extra", 'w');
+ fclose($fd);
+
+ conf_mount_ro();
+ }
+
+function sshdcond_custom_php_deinstall_command(){
+ global $g, $config;
+
+ conf_mount_rw();
+
+ // 1. Delete our config file
+ unlink_if_exists("/etc/ssh/sshd_extra");
+
+ // 2. Re-run sshd config generation script
+ restart_sshd();
+
+ conf_mount_ro();
+ }
+
+function sshdcond_custom_php_write_config(){
+ global $g, $config;
+
+ # detect boot process
+ if (is_array($_POST)){
+ if (!preg_match("/\w+/",$_POST['__csrf_magic']))
+ return;
+ }
+
+ $sshd_extra="";
+ if (is_array($config['installedpackages']['sshdcond']['config'])){
+ // Mount Read-only
+ conf_mount_rw();
+
+ // Read config
+ foreach ($config['installedpackages']['sshdcond']['config'] as $sshdcond){
+ if ($sshdcond['enable'] && is_array($sshdcond['row'])){
+ $sshd_extra.= "Match {$sshdcond['matchtype']} {$sshdcond['matchvalue']}\n";
+ foreach ($sshdcond['row'] as $sshd){
+ //check if there is spaces on sshd value
+ if(preg_match ("/\s+/",$sshd['sshdvalue']))
+ $sshd['sshdvalue']='"'.$sshd['sshdvalue'].'"';
+
+ //check if value is not empty
+ if($sshd['sshdvalue']!="")
+ $sshd_extra.="\t {$sshd['sshdoption']} {$sshd['sshdvalue']}\n";
+
+ //apply file permission if option is ChrootDirectory
+ if ($sshd['sshdoption']=="ChrootDirectory" && file_exists($sshd['sshdvalue'])){
+ chown('root',$sshd['sshdvalue']);
+ chgrp('operator',$sshd['sshdvalue']);
+ }
+ }
+ }
+ }
+ }
+
+ //Save /etc/ssh/sshd_extra
+ file_put_contents("/etc/ssh/sshd_extra",$sshd_extra,LOCK_EX);
+
+
+
+ // Restart sshd
+ restart_sshd();
+
+ // Mount Read-only
+ conf_mount_ro();
+
+ //sync config with other pfsense servers
+ sshdcond_sync_on_changes();
+ }
+
+/* Uses XMLRPC to synchronize the changes to a remote node */
+function sshdcond_sync_on_changes() {
+ global $config, $g;
+
+ log_error("[sshdcond] xmlrpc sync is starting.");
+ $synconchanges = $config['installedpackages']['sshdcondsync']['config'][0]['synconchanges'];
+ if(!$synconchanges)
+ return;
+ foreach ($config['installedpackages']['sshdcondsync']['config'] as $rs ){
+ foreach($rs['row'] as $sh){
+ $sync_to_ip = $sh['ipaddress'];
+ $password = $sh['password'];
+ if($sh['username'])
+ $username = $sh['username'];
+ else
+ $username = 'admin';
+ if($password && $sync_to_ip)
+ sshdcond_do_xmlrpc_sync($sync_to_ip, $username, $password);
+ }
+ }
+ log_error("[sshdcond] xmlrpc sync is ending.");
+}
+
+/* Do the actual XMLRPC sync */
+function sshdcond_do_xmlrpc_sync($sync_to_ip, $username, $password) {
+ global $config, $g;
+
+ if(!$username)
+ return;
+
+ if(!$password)
+ return;
+
+ if(!$sync_to_ip)
+ return;
+
+ $xmlrpc_sync_neighbor = $sync_to_ip;
+ if($config['system']['webgui']['protocol'] != "") {
+ $synchronizetoip = $config['system']['webgui']['protocol'];
+ $synchronizetoip .= "://";
+ }
+ $port = $config['system']['webgui']['port'];
+ /* if port is empty lets rely on the protocol selection */
+ if($port == "") {
+ if($config['system']['webgui']['protocol'] == "http")
+ $port = "80";
+ else
+ $port = "443";
+ }
+ $synchronizetoip .= $sync_to_ip;
+
+ /* xml will hold the sections to sync */
+ $xml = array();
+ $xml['sshdcond'] = $config['installedpackages']['sshdcond'];
+ /* assemble xmlrpc payload */
+ $params = array(
+ XML_RPC_encode($password),
+ XML_RPC_encode($xml)
+ );
+
+ /* set a few variables needed for sync code borrowed from filter.inc */
+ $url = $synchronizetoip;
+ log_error("Beginning sshdcond XMLRPC sync to {$url}:{$port}.");
+ $method = 'pfsense.merge_installedpackages_section_xmlrpc';
+ $msg = new XML_RPC_Message($method, $params);
+ $cli = new XML_RPC_Client('/xmlrpc.php', $url, $port);
+ $cli->setCredentials($username, $password);
+ if($g['debug'])
+ $cli->setDebug(1);
+ /* send our XMLRPC message and timeout after 250 seconds */
+ $resp = $cli->send($msg, "250");
+ if(!$resp) {
+ $error = "A communications error occurred while attempting sshdcond XMLRPC sync with {$url}:{$port}.";
+ log_error($error);
+ file_notice("sync_settings", $error, "sshdcond Settings Sync", "");
+ } elseif($resp->faultCode()) {
+ $cli->setDebug(1);
+ $resp = $cli->send($msg, "250");
+ $error = "An error code was received while attempting sshdcond XMLRPC sync with {$url}:{$port} - Code " . $resp->faultCode() . ": " . $resp->faultString();
+ log_error($error);
+ file_notice("sync_settings", $error, "sshdcond Settings Sync", "");
+ } else {
+ log_error("sshdcond XMLRPC sync successfully completed with {$url}:{$port}.");
+ }
+
+ /* tell sshdcond to reload our settings on the destionation sync host. */
+ $method = 'pfsense.exec_php';
+ $execcmd = "require_once('/usr/local/pkg/sshdcond.inc');\n";
+ $execcmd .= "sync_package_sshdcond();";
+ /* assemble xmlrpc payload */
+ $params = array(
+ XML_RPC_encode($password),
+ XML_RPC_encode($execcmd)
+ );
+
+ log_error("sshdcond XMLRPC reload data {$url}:{$port}.");
+ $msg = new XML_RPC_Message($method, $params);
+ $cli = new XML_RPC_Client('/xmlrpc.php', $url, $port);
+ $cli->setCredentials($username, $password);
+ $resp = $cli->send($msg, "250");
+ if(!$resp) {
+ $error = "A communications error occurred while attempting sshdcond XMLRPC sync with {$url}:{$port} (pfsense.exec_php).";
+ log_error($error);
+ file_notice("sync_settings", $error, "sshdcond Settings Sync", "");
+ } elseif($resp->faultCode()) {
+ $cli->setDebug(1);
+ $resp = $cli->send($msg, "250");
+ $error = "An error code was received while attempting sshdcond XMLRPC sync with {$url}:{$port} - Code " . $resp->faultCode() . ": " . $resp->faultString();
+ log_error($error);
+ file_notice("sync_settings", $error, "sshdcond Settings Sync", "");
+ } else {
+ log_error("sshdcond XMLRPC reload data success with {$url}:{$port} (pfsense.exec_php).");
+ }
+}
+ ?>
\ No newline at end of file |