From b31bb1f27f066a2d49f5ab9ee0ca15e985efc788 Mon Sep 17 00:00:00 2001
From: tbrehm <t.brehm@ispconfig.org>
Date: Mon, 26 Sep 2011 06:50:23 -0400
Subject: [PATCH] Fixed: FS#1619 - Add apache SNI / SAN support for SSL.
---
server/plugins-available/shelluser_base_plugin.inc.php | 191 +++++++++++++++++++++++++++++++++++++----------
1 files changed, 150 insertions(+), 41 deletions(-)
diff --git a/server/plugins-available/shelluser_base_plugin.inc.php b/server/plugins-available/shelluser_base_plugin.inc.php
index 91f9f25..58858a3 100755
--- a/server/plugins-available/shelluser_base_plugin.inc.php
+++ b/server/plugins-available/shelluser_base_plugin.inc.php
@@ -72,23 +72,47 @@
$app->uses('system');
- // Get the UID of the parent user
- $uid = intval($app->system->getuid($data['new']['puser']));
- if($uid > $this->min_uid) {
- $command = 'useradd';
- $command .= ' --home '.escapeshellcmd($data['new']['dir']);
- $command .= ' --gid '.escapeshellcmd($data['new']['pgroup']);
- $command .= ' --non-unique ';
- $command .= ' --password '.escapeshellcmd($data['new']['password']);
- $command .= ' --shell '.escapeshellcmd($data['new']['shell']);
- $command .= ' --uid '.escapeshellcmd($uid);
- $command .= ' '.escapeshellcmd($data['new']['username']);
+ if($app->system->is_user($data['new']['puser'])) {
+ // Get the UID of the parent user
+ $uid = intval($app->system->getuid($data['new']['puser']));
+ if($uid > $this->min_uid) {
+ $command = 'useradd';
+ $command .= ' -d '.escapeshellcmd($data['new']['dir']);
+ $command .= ' -g '.escapeshellcmd($data['new']['pgroup']);
+ $command .= ' -o '; // non unique
+ if($data['new']['password'] != '') $command .= ' -p '.escapeshellcmd($data['new']['password']);
+ $command .= ' -s '.escapeshellcmd($data['new']['shell']);
+ $command .= ' -u '.escapeshellcmd($uid);
+ $command .= ' '.escapeshellcmd($data['new']['username']);
- exec($command);
- $app->log("Added shelluser: ".$data['new']['username'],LOGLEVEL_DEBUG);
+ exec($command);
+ $app->log("Executed command: ".$command,LOGLEVEL_DEBUG);
+ $app->log("Added shelluser: ".$data['new']['username'],LOGLEVEL_DEBUG);
+
+ // call the ssh-rsa update function
+ $app->uses("getconf");
+ $this->data = $data;
+ $this->app = $app;
+ $this->_setup_ssh_rsa();
+
+ //* Create .bash_history file
+ touch(escapeshellcmd($data['new']['dir']).'/.bash_history');
+ chmod(escapeshellcmd($data['new']['dir']).'/.bash_history', 0755);
+ chown(escapeshellcmd($data['new']['dir']).'/.bash_history', escapeshellcmd($data['new']['username']));
+ chgrp(escapeshellcmd($data['new']['dir']).'/.bash_history', escapeshellcmd($data['new']['pgroup']));
+
+ //* Disable shell user temporarily if we use jailkit
+ if($data['new']['chroot'] == 'jailkit') {
+ $command = 'usermod -s /bin/false -L '.escapeshellcmd($data['new']['username']);
+ exec($command);
+ $app->log("Disabling shelluser temporarily: ".$command,LOGLEVEL_DEBUG);
+ }
+ } else {
+ $app->log("UID = $uid for shelluser:".$data['new']['username']." not allowed.",LOGLEVEL_ERROR);
+ }
} else {
- $app->log("UID = $uid for shelluser:".$data['new']['username']." not allowed.",LOGLEVEL_ERROR);
+ $app->log("Skipping insertion of user:".$data['new']['username'].", parent user ".$data['new']['puser']." does not exist.",LOGLEVEL_WARN);
}
}
@@ -97,25 +121,49 @@
$app->uses('system');
- // Get the UID of the parent user
- $uid = intval($app->system->getuid($data['new']['puser']));
- if($uid > $this->min_uid) {
- $command = 'usermod';
- $command .= ' --home '.escapeshellcmd($data['new']['dir']);
- $command .= ' --gid '.escapeshellcmd($data['new']['pgroup']);
- // $command .= ' --non-unique ';
- $command .= ' --password '.escapeshellcmd($data['new']['password']);
- if($data['new']['chroot'] != 'jailkit') $command .= ' --shell '.escapeshellcmd($data['new']['shell']);
- // $command .= ' --uid '.escapeshellcmd($uid);
- $command .= ' --login '.escapeshellcmd($data['new']['username']);
- $command .= ' '.escapeshellcmd($data['old']['username']);
+ if($app->system->is_user($data['new']['puser'])) {
+ // Get the UID of the parent user
+ $uid = intval($app->system->getuid($data['new']['puser']));
+ if($uid > $this->min_uid) {
+ // Check if the user that we want to update exists, if not, we insert it
+ if($app->system->is_user($data['old']['username'])) {
+ $command = 'usermod';
+ $command .= ' --home '.escapeshellcmd($data['new']['dir']);
+ $command .= ' --gid '.escapeshellcmd($data['new']['pgroup']);
+ // $command .= ' --non-unique ';
+ $command .= ' --password '.escapeshellcmd($data['new']['password']);
+ if($data['new']['chroot'] != 'jailkit') $command .= ' --shell '.escapeshellcmd($data['new']['shell']);
+ // $command .= ' --uid '.escapeshellcmd($uid);
+ $command .= ' --login '.escapeshellcmd($data['new']['username']);
+ $command .= ' '.escapeshellcmd($data['old']['username']);
- exec($command);
- // $app->log("Updated shelluser: $command ",LOGLEVEL_DEBUG);
- $app->log("Updated shelluser: ".$data['old']['username'],LOGLEVEL_DEBUG);
-
+ exec($command);
+ $app->log("Executed command: $command ",LOGLEVEL_DEBUG);
+ $app->log("Updated shelluser: ".$data['old']['username'],LOGLEVEL_DEBUG);
+
+ // call the ssh-rsa update function
+ $app->uses("getconf");
+ $this->data = $data;
+ $this->app = $app;
+ $this->_setup_ssh_rsa();
+
+ //* Create .bash_history file
+ if(!is_file($data['new']['dir']).'/.bash_history') {
+ touch(escapeshellcmd($data['new']['dir']).'/.bash_history');
+ chmod(escapeshellcmd($data['new']['dir']).'/.bash_history', 0755);
+ chown(escapeshellcmd($data['new']['dir']).'/.bash_history',escapeshellcmd($data['new']['username']));
+ chgrp(escapeshellcmd($data['new']['dir']).'/.bash_history',escapeshellcmd($data['new']['pgroup']));
+ }
+
+ } else {
+ // The user does not exist, so we insert it now
+ $this->insert($event_name,$data);
+ }
+ } else {
+ $app->log("UID = $uid for shelluser:".$data['new']['username']." not allowed.",LOGLEVEL_ERROR);
+ }
} else {
- $app->log("UID = $uid for shelluser:".$data['new']['username']." not allowed.",LOGLEVEL_ERROR);
+ $app->log("Skipping update for user:".$data['new']['username'].", parent user ".$data['new']['puser']." does not exist.",LOGLEVEL_WARN);
}
}
@@ -124,24 +172,85 @@
$app->uses('system');
- // Get the UID of the user
- $userid = intval($app->system->getuid($data['old']['username']));
- if($userid > $this->min_uid) {
- $command = 'userdel';
- $command .= ' '.escapeshellcmd($data['old']['username']);
+ if($app->system->is_user($data['old']['username'])) {
+ // Get the UID of the user
+ $userid = intval($app->system->getuid($data['old']['username']));
+ if($userid > $this->min_uid) {
+ // We delete only non jailkit users, jailkit users will be deleted by the jailkit plugin.
+ if ($data['old']['chroot'] != "jailkit") {
+ $command = 'userdel -f';
+ $command .= ' '.escapeshellcmd($data['old']['username']);
- exec($command);
- $app->log("Deleted shelluser: ".$data['old']['username'],LOGLEVEL_DEBUG);
+ exec($command);
+ $app->log("Deleted shelluser: ".$data['old']['username'],LOGLEVEL_DEBUG);
+ }
+ } else {
+ $app->log("UID = $userid for shelluser:".$data['old']['username']." not allowed.",LOGLEVEL_ERROR);
+ }
} else {
- $app->log("UID = $userid for shelluser:".$data['new']['username']." not allowed.",LOGLEVEL_ERROR);
+ $app->log("User:".$data['new']['username']." does not exist in in /etc/passwd, skipping delete.",LOGLEVEL_WARN);
}
}
-
+ private function _setup_ssh_rsa() {
+ $this->app->log("ssh-rsa setup shelluser_base",LOGLEVEL_DEBUG);
+ // Get the client ID, username, and the key
+ $domain_data = $this->app->db->queryOneRecord('SELECT sys_groupid FROM web_domain WHERE web_domain.domain_id = '.intval($this->data['new']['parent_domain_id']));
+ $sys_group_data = $this->app->db->queryOneRecord('SELECT * FROM sys_group WHERE sys_group.groupid = '.intval($domain_data['sys_groupid']));
+ $id = intval($sys_group_data['client_id']);
+ $username= $sys_group_data['name'];
+ $client_data = $this->app->db->queryOneRecord('SELECT * FROM client WHERE client.client_id = '.$id);
+ $userkey = $client_data['ssh_rsa'];
+ unset($domain_data);
+ unset($client_data);
+
+ // ssh-rsa authentication variables
+ $sshrsa = escapeshellcmd($this->data['new']['ssh_rsa']);
+ $usrdir = escapeshellcmd($this->data['new']['dir']);
+ $sshdir = $usrdir.'/.ssh';
+ $sshkeys= $usrdir.'/.ssh/authorized_keys';
+
+ // If this user has no key yet, generate a pair
+ if ($userkey == '' && $id>0)
+ {
+ //Generate ssh-rsa-keys
+ exec('ssh-keygen -t rsa -C '.$username.'-rsa-key-'.time().' -f /tmp/id_rsa -N ""');
+ // save keypair in client table
+ $this->app->db->query("UPDATE client SET created_at = ".time().", id_rsa = '".file_get_contents('/tmp/id_rsa')."', ssh_rsa = '".file_get_contents('/tmp/id_rsa.pub')."' WHERE client_id = ".$id);
+ // and use the public key that has been generated
+ $userkey = file_get_contents('/tmp/id_rsa.pub')
+ ;
+ exec('rm -f /tmp/id_rsa /tmp/id_rsa.pub');
+ $this->app->log("ssh-rsa keypair generated for ".$username,LOGLEVEL_DEBUG);
+ };
+
+ if (!file_exists($sshkeys))
+ {
+ // add root's key
+ exec("mkdir '$sshdir'");
+ exec("cat /root/.ssh/authorized_keys > '$sshkeys'");
+ exec("echo '' >> '$sshkeys'");
+
+ // add the user's key
+ exec("echo '$userkey' >> '$sshkeys'");
+ exec("echo '' >> '$sshkeys'");
+ $this->app->log("ssh-rsa authorisation keyfile created in ".$sshkeys,LOGLEVEL_DEBUG);
+ }
+ if ($sshrsa!=''){
+ // add the custom key
+ exec("echo '$sshrsa' >> '$sshkeys'");
+ exec("echo '' >> '$sshkeys'");
+ $this->app->log("ssh-rsa key updated in ".$sshkeys,LOGLEVEL_DEBUG);
+ }
+ // set proper file permissions
+ exec("chown -R ".escapeshellcmd($this->data['new']['puser']).":".escapeshellcmd($this->data['new']['pgroup'])." ".$usrdir);
+ exec("chmod 600 '$sshkeys'");
+
+ }
} // end class
-?>
\ No newline at end of file
+?>
--
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