From 378935a8a92592cf1ef164b4d969c376c46a78c6 Mon Sep 17 00:00:00 2001
From: nveid <nveid@ispconfig3>
Date: Fri, 09 Dec 2011 02:35:24 -0500
Subject: [PATCH] Fixed mysql error when switching from "Options" tab to "Ftp User" edit tab, the onUpdate thought we were trying to change the Website because the Options Datalog didn't have the parent_domain_id and the Ftp User tab did.

---
 server/plugins-available/shelluser_base_plugin.inc.php |  150 +++++++++++++++++++++++++++++++++++++++++++++-----
 1 files changed, 135 insertions(+), 15 deletions(-)

diff --git a/server/plugins-available/shelluser_base_plugin.inc.php b/server/plugins-available/shelluser_base_plugin.inc.php
index 59cfad9..7677778 100755
--- a/server/plugins-available/shelluser_base_plugin.inc.php
+++ b/server/plugins-available/shelluser_base_plugin.inc.php
@@ -77,22 +77,42 @@
 			$uid = intval($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);
+				$command .= ' -d '.escapeshellcmd($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);
+				$app->log("Executed command: ".$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 {
-			$app->log("Skippung insert of user:".$data['new']['username'].", parent user ".$data['new']['puser']." does not exist.",LOGLEVEL_WARN);
+			$app->log("Skipping insertion of user:".$data['new']['username'].", parent user ".$data['new']['puser']." does not exist.",LOGLEVEL_WARN);
 		}
 	}
 	
@@ -118,8 +138,23 @@
 					$command .= ' '.escapeshellcmd($data['old']['username']);
 			
 					exec($command);
-					// $app->log("Updated shelluser: $command ",LOGLEVEL_DEBUG);
+					$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);
@@ -128,7 +163,7 @@
 				$app->log("UID = $uid for shelluser:".$data['new']['username']." not allowed.",LOGLEVEL_ERROR);
 			}
 		} else {
-			$app->log("Skippung update for user:".$data['new']['username'].", parent user ".$data['new']['puser']." does not exist.",LOGLEVEL_WARN);
+			$app->log("Skipping update for user:".$data['new']['username'].", parent user ".$data['new']['puser']." does not exist.",LOGLEVEL_WARN);
 		}
 	}
 	
@@ -141,11 +176,14 @@
 			// Get the UID of the user
 			$userid = intval($app->system->getuid($data['old']['username']));
 			if($userid > $this->min_uid) {
-				$command = 'userdel --force';
-				$command .= ' '.escapeshellcmd($data['old']['username']);
+				// 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);
@@ -156,9 +194,91 @@
 		
 	}
 	
-	
+	private function _setup_ssh_rsa() {
+		global $app;
+		$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 = $this->data['new']['ssh_rsa'];
+		$usrdir = escapeshellcmd($this->data['new']['dir']);
+		$sshdir = $usrdir.'/.ssh';
+		$sshkeys= $usrdir.'/.ssh/authorized_keys';
+		
+		$app->uses('file');
+		$sshrsa = $app->file->unix_nl($sshrsa);
+		$sshrsa = $app->file->remove_blank_lines($sshrsa,0);
+		
+		// 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 ""');
+			
+			// use the public key that has been generated
+			$userkey = file_get_contents('/tmp/id_rsa.pub');
+			
+			// save keypair in client table
+			$this->app->db->query("UPDATE client SET created_at = ".time().", id_rsa = '".file_get_contents('/tmp/id_rsa')."', ssh_rsa = '".$userkey."' WHERE client_id = ".$id);
+			
+			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
+			$app->file->mkdirs($sshdir, '0755');
+			if(is_file('/root/.ssh/authorized_keys')) file_put_contents($sshkeys, file_get_contents('/root/.ssh/authorized_keys'));
+		
+			// Remove duplicate keys
+			$existing_keys = file($sshkeys);
+			$new_keys = explode("\n", $userkey);
+			$final_keys_arr = array_merge($existing_keys, $new_keys);
+			$new_final_keys_arr = array();
+			if(is_array($final_keys_arr) && !empty($final_keys_arr)){
+				foreach($final_keys_arr as $key => $val){
+					$new_final_keys_arr[$key] = trim($val);
+				}
+			}
+			$final_keys = implode("\n", array_flip(array_flip($new_final_keys_arr)));
+			
+			// add the user's key
+			file_put_contents($sshkeys, $final_keys);
+			$app->file->remove_blank_lines($sshkeys);
+			$this->app->log("ssh-rsa authorisation keyfile created in ".$sshkeys,LOGLEVEL_DEBUG);
+		}
+		if ($sshrsa != ''){
+			// Remove duplicate keys
+			$existing_keys = file($sshkeys);
+			$new_keys = explode("\n", $sshrsa);
+			$final_keys_arr = array_merge($existing_keys, $new_keys);
+			$new_final_keys_arr = array();
+			if(is_array($final_keys_arr) && !empty($final_keys_arr)){
+				foreach($final_keys_arr as $key => $val){
+					$new_final_keys_arr[$key] = trim($val);
+				}
+			}
+			$final_keys = implode("\n", array_flip(array_flip($new_final_keys_arr)));
+			
+			// add the custom key 
+			file_put_contents($sshkeys, $final_keys);
+			$app->file->remove_blank_lines($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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