From 2bbc4c7761a6d0e97cc8f22bccbea94835fcbc7d Mon Sep 17 00:00:00 2001
From: tbrehm <t.brehm@ispconfig.org>
Date: Fri, 28 Aug 2009 06:55:06 -0400
Subject: [PATCH] Add the website user and group also to the passwd and group files in chroot enviroment.
---
server/plugins-available/apache2_plugin.inc.php | 93 +++++++++++++++++++++++++++++++++++++++-------
1 files changed, 79 insertions(+), 14 deletions(-)
diff --git a/server/plugins-available/apache2_plugin.inc.php b/server/plugins-available/apache2_plugin.inc.php
index e21eb3b..4014f2a 100644
--- a/server/plugins-available/apache2_plugin.inc.php
+++ b/server/plugins-available/apache2_plugin.inc.php
@@ -235,6 +235,13 @@
$app->uses("getconf");
$web_config = $app->getconf->get_server_config($conf["server_id"], 'web');
+ //* Check if this is a chrooted setup
+ if($web_config['website_basedir'] != '' && @is_file($web_config['/var/www'].'/etc/passwd')) {
+ $apache_chrooted = true;
+ } else {
+ $apache_chrooted = false;
+ }
+
if($data["new"]["document_root"] == '') {
$app->log("document_root not set",LOGLEVEL_WARN);
return 0;
@@ -261,7 +268,7 @@
// Remove trailing slash
if(substr($tmp_symlink, -1, 1) == '/') $tmp_symlink = substr($tmp_symlink, 0, -1);
// create the symlinks, if not exist
- if(!is_link($tmp_symlink)) {
+ if(is_link($tmp_symlink)) {
exec("rm -f ".escapeshellcmd($tmp_symlink));
$app->log("Removed Symlink: rm -f ".$tmp_symlink,LOGLEVEL_DEBUG);
}
@@ -292,7 +299,7 @@
$command .= ' '.escapeshellcmd($data["new"]["system_user"]);
exec($command);
-
+ if($apache_chrooted) exec("chroot ".escapeshellcmd($web_config['website_basedir'])." ".$command);
}
@@ -438,12 +445,14 @@
$groupname = escapeshellcmd($data["new"]["system_group"]);
if($data["new"]["system_group"] != '' && !$app->system->is_group($data["new"]["system_group"])) {
exec("groupadd $groupname");
+ if($apache_chrooted) exec("chroot ".escapeshellcmd($web_config['website_basedir'])." groupadd $groupname");
$app->log("Adding the group: $groupname",LOGLEVEL_DEBUG);
}
$username = escapeshellcmd($data["new"]["system_user"]);
if($data["new"]["system_user"] != '' && !$app->system->is_user($data["new"]["system_user"])) {
exec("useradd -d ".escapeshellcmd($data["new"]["document_root"])." -g $groupname -G sshusers $username -s /bin/false");
+ if($apache_chrooted) exec("chroot ".escapeshellcmd($web_config['website_basedir'])." "."useradd -d ".escapeshellcmd($data["new"]["document_root"])." -g $groupname -G sshusers $username -s /bin/false");
$app->log("Adding the user: $username",LOGLEVEL_DEBUG);
}
@@ -461,32 +470,71 @@
if($this->action == 'insert') {
// Chown and chmod the directories below the document root
- exec("chown -R $username:$groupname ".escapeshellcmd($data["new"]["document_root"]));
-
- // The document root itself has to be owned by root
- exec("chown root:root ".escapeshellcmd($data["new"]["document_root"]));
+ $this->_exec("chown -R $username:$groupname ".escapeshellcmd($data["new"]["document_root"]));
+ // The document root itself has to be owned by root in normal level and by the web owner in security level 20
+ if($web_config['security_level'] == 20) {
+ $this->_exec("chown $username:$groupname ".escapeshellcmd($data["new"]["document_root"]));
+ } else {
+ $this->_exec("chown root:root ".escapeshellcmd($data["new"]["document_root"]));
+ }
}
- // If the security level is set to high
+ //* If the security level is set to high
if($web_config['security_level'] == 20) {
- exec("chmod 711 ".escapeshellcmd($data["new"]["document_root"]."/"));
- exec("chmod 711 ".escapeshellcmd($data["new"]["document_root"]."/*"));
- exec("chmod 710 ".escapeshellcmd($data["new"]["document_root"]."/web"));
+ $this->_exec("chmod 751 ".escapeshellcmd($data["new"]["document_root"]."/"));
+ $this->_exec("chmod 751 ".escapeshellcmd($data["new"]["document_root"])."/*");
+ $this->_exec("chmod 710 ".escapeshellcmd($data["new"]["document_root"]."/web"));
+
+ // make temp direcory writable for the apache user and the website user
+ $this->_exec("chmod 777 ".escapeshellcmd($data["new"]["document_root"]."/tmp"));
+
+ $command = 'usermod';
+ $command .= ' --groups sshusers';
+ $command .= ' '.escapeshellcmd($data["new"]["system_user"]);
+ $this->_exec($command);
+
+ //* if we have a chrooted apache enviroment
+ if($apache_chrooted) {
+ exec("chroot ".escapeshellcmd($web_config['website_basedir'])." ".$command);
+
+ //* add the apache user to the client group in the chroot enviroment
+ $tmp_groupfile = $app->system->server_conf["group_datei"];
+ $app->system->server_conf["group_datei"] = $web_config['website_basedir'].'/etc/group';
+ $app->system->add_user_to_group($groupname, escapeshellcmd($web_config['user']));
+ $app->system->server_conf["group_datei"] = $tmp_groupfile;
+ unset($tmp_groupfile);
+ }
//* add the apache user to the client group
$app->system->add_user_to_group($groupname, escapeshellcmd($web_config['user']));
+ $this->_exec("chown $username:$groupname ".escapeshellcmd($data["new"]["document_root"]));
+
+ /*
+ * Workaround for jailkit: If jailkit is enabled for the site, the
+ * website root has to be owned by the root user and we have to chmod it to 755 then
+ */
+
+ //* Check if there is a jailkit user for this site
+ $tmp = $app->db->queryOneRecord("SELECT count(shell_user_id) as number FROM shell_user WHERE parent_domain_id = ".$data["new"]["domain_id"]." AND chroot = 'jailkit'");
+ if($tmp['number'] > 0) {
+ $this->_exec("chmod 755 ".escapeshellcmd($data["new"]["document_root"]."/"));
+ $this->_exec("chown root:root ".escapeshellcmd($data["new"]["document_root"]."/"));
+ }
+ unset($tmp);
+
// If the security Level is set to medium
} else {
- exec("chmod 755 ".escapeshellcmd($data["new"]["document_root"]."/"));
- exec("chmod 755 ".escapeshellcmd($data["new"]["document_root"]."/*"));
+ $this->_exec("chmod 755 ".escapeshellcmd($data["new"]["document_root"]."/"));
+ $this->_exec("chmod 755 ".escapeshellcmd($data["new"]["document_root"]."/*"));
+ $this->_exec("chown root:root ".escapeshellcmd($data["new"]["document_root"]."/"));
// make temp direcory writable for the apache user and the website user
- exec("chmod 777 ".escapeshellcmd($data["new"]["document_root"]."/tmp"));
+ $this->_exec("chmod 777 ".escapeshellcmd($data["new"]["document_root"]."/tmp"));
}
@@ -650,6 +698,7 @@
$fcgi_tpl->setVar('php_fcgi_children',$fastcgi_config["fastcgi_children"]);
$fcgi_tpl->setVar('php_fcgi_max_requests',$fastcgi_config["fastcgi_max_requests"]);
$fcgi_tpl->setVar('php_fcgi_bin',$fastcgi_config["fastcgi_bin"]);
+ $fcgi_tpl->setVar('security_level',$web_config["security_level"]);
$fcgi_starter_script = escapeshellcmd($fastcgi_starter_path.$fastcgi_config["fastcgi_starter_script"]);
file_put_contents($fcgi_starter_script,$fcgi_tpl->grab());
@@ -701,6 +750,7 @@
// This will NOT work!
//$cgi_tpl->setVar('open_basedir', "/var/www/" . $data["new"]["domain"]);
$cgi_tpl->setVar('php_cgi_bin',$cgi_config["cgi_bin"]);
+ $cgi_tpl->setVar('security_level',$web_config["security_level"]);
$cgi_starter_script = escapeshellcmd($cgi_starter_path.$cgi_config["cgi_starter_script"]);
file_put_contents($cgi_starter_script,$cgi_tpl->grab());
@@ -746,7 +796,7 @@
}
//* Create .htaccess and .htpasswd file for website statistics
- if(!is_file($data["new"]["document_root"].'/web/stats/.htaccess')) {
+ if(!is_file($data["new"]["document_root"].'/web/stats/.htaccess') or $data["old"]["document_root"] != $data["new"]["document_root"]) {
if(!is_dir($data["new"]["document_root"].'/web/stats')) mkdir($data["new"]["document_root"].'/web/stats');
$ht_file = "AuthType Basic\nAuthName \"Members Only\"\nAuthUserFile ".$data["new"]["document_root"]."/.htpasswd_stats\n<limit GET PUT POST>\nrequire valid-user\n</limit>";
file_put_contents($data["new"]["document_root"].'/web/stats/.htaccess',$ht_file);
@@ -780,6 +830,12 @@
$app->uses("getconf");
$web_config = $app->getconf->get_server_config($conf["server_id"], 'web');
+ //* Check if this is a chrooted setup
+ if($web_config['website_basedir'] != '' && @is_file($web_config['/var/www'].'/etc/passwd')) {
+ $apache_chrooted = true;
+ } else {
+ $apache_chrooted = false;
+ }
if($data["old"]["type"] != "vhost" && $data["old"]["parent_domain_id"] > 0) {
//* This is a alias domain or subdomain, so we have to update the website instead
@@ -860,6 +916,8 @@
$command = 'userdel';
$command .= ' '.$data["old"]["system_user"];
exec($command);
+ if($apache_chrooted) exec("chroot ".escapeshellcmd($web_config['website_basedir'])." ".$command);
+
}
}
@@ -888,6 +946,13 @@
}
+ //* Wrapper for exec function for easier debugging
+ private function _exec($command) {
+ global $app;
+ $app->log("exec: ".$command,LOGLEVEL_DEBUG);
+ exec($command);
+ }
+
} // end class
--
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