From e94a9fb5e4b6a2bc07e0bb4cf8ea35fc70c4bbf0 Mon Sep 17 00:00:00 2001
From: tbrehm <t.brehm@ispconfig.org>
Date: Thu, 10 May 2012 12:31:27 -0400
Subject: [PATCH] Merged revisions 3049-3051,3053-3054,3058,3070,3074-3077,3082,3086-3088,3091-3092,3094-3095 from stable branch.

---
 server/plugins-available/shelluser_base_plugin.inc.php |   70 +++++++++++++++++++++++++----------
 1 files changed, 50 insertions(+), 20 deletions(-)

diff --git a/server/plugins-available/shelluser_base_plugin.inc.php b/server/plugins-available/shelluser_base_plugin.inc.php
index 7677778..5c41863 100755
--- a/server/plugins-available/shelluser_base_plugin.inc.php
+++ b/server/plugins-available/shelluser_base_plugin.inc.php
@@ -72,6 +72,13 @@
 		
 		$app->uses('system');
 		
+		//* Check if the resulting path is inside the docroot
+		$web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ".intval($data['new']['parent_domain_id']));
+		if(substr(realpath($data['new']['dir']),0,strlen($web['document_root'])) != $web['document_root']) {
+			$app->log('Directory of the shell user is outside of website docroot.',LOGLEVEL_WARN);
+			return false;
+		}
+		
 		if($app->system->is_user($data['new']['puser'])) {
 			// Get the UID of the parent user
 			$uid = intval($app->system->getuid($data['new']['puser']));
@@ -120,6 +127,13 @@
 		global $app, $conf;
 		
 		$app->uses('system');
+		
+		//* Check if the resulting path is inside the docroot
+		$web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ".intval($data['new']['parent_domain_id']));
+		if(substr(realpath($data['new']['dir']),0,strlen($web['document_root'])) != $web['document_root']) {
+			$app->log('Directory of the shell user is outside of website docroot.',LOGLEVEL_WARN);
+			return false;
+		}
 		
 		if($app->system->is_user($data['new']['puser'])) {
 			// Get the UID of the parent user
@@ -234,13 +248,13 @@
 
 		if (!file_exists($sshkeys)){
 			// add root's key
-			$app->file->mkdirs($sshdir, '0755');
+			$app->file->mkdirs($sshdir, '0700');
 			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);
+			$existing_keys = @file($sshkeys);
 			$new_keys = explode("\n", $userkey);
-			$final_keys_arr = array_merge($existing_keys, $new_keys);
+			$final_keys_arr = @array_merge($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){
@@ -254,26 +268,42 @@
 			$app->file->remove_blank_lines($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);
+		//* Get the keys
+		$existing_keys = file($sshkeys);
+		$new_keys = explode("\n", $sshrsa);
+		$old_keys = explode("\n",$this->data['old']['ssh_rsa']);
+			
+		//* Remove all old keys
+		if(is_array($old_keys)) {
+			foreach($old_keys as $key => $val) {
+				$k = array_search(trim($val),$existing_keys);
+				unset($existing_keys[$k]);
+			}
 		}
+			
+		//* merge the remaining keys and the ones fom the ispconfig database.
+		if(is_array($new_keys)) {
+			$final_keys_arr = array_merge($existing_keys, $new_keys);
+		} else {
+			$final_keys_arr = $existing_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'])." ".$usrdir);
+		exec("chown -R ".escapeshellcmd($this->data['new']['puser']).":".escapeshellcmd($this->data['new']['pgroup'])." ".$sshdir);
 		exec("chmod 600 '$sshkeys'");
 		
 	}

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