From 08c588789bb4663f38cbe53e2055b530d2029b60 Mon Sep 17 00:00:00 2001
From: laking <laking@ispconfig3>
Date: Sun, 03 Apr 2011 23:53:30 -0400
Subject: [PATCH] Implemented passwordless ssh-rsa authentication support.
---
server/plugins-available/shelluser_jailkit_plugin.inc.php | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 56 insertions(+), 0 deletions(-)
diff --git a/server/plugins-available/shelluser_jailkit_plugin.inc.php b/server/plugins-available/shelluser_jailkit_plugin.inc.php
index b1ee45e..ca7b5ab 100755
--- a/server/plugins-available/shelluser_jailkit_plugin.inc.php
+++ b/server/plugins-available/shelluser_jailkit_plugin.inc.php
@@ -272,6 +272,62 @@
chgrp(escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_puserhome), $this->data['new']['pgroup']);
$this->app->log("Added created jailkit parent user home in : ".$this->data['new']['dir'].$jailkit_chroot_puserhome,LOGLEVEL_DEBUG);
+
+ // ssh-rsa authentication variables
+ $sshrsa = escapeshellcmd($this->data['new']['ssh_rsa']);
+ $usrdir = escapeshellcmd($this->data['new']['dir']).'/'.$jailkit_chroot_userhome;
+ $sshdir = escapeshellcmd($this->data['new']['dir']).'/'.$jailkit_chroot_userhome.'/.ssh';
+ $sshkeys= escapeshellcmd($this->data['new']['dir']).'/'.$jailkit_chroot_userhome.'/.ssh/authorized_keys';
+ global $app;
+
+ // determine the client id
+ $id = $this->data['new']['sys_groupid'];
+ if ($id>0) $id = $id -1;
+
+ $user = $app->db->queryOneRecord("SELECT * FROM sys_user WHERE client_id = ".$id);
+ $userkey = $user['ssh_rsa'];
+ $username= $user['username'];
+
+ // If this user has no key yet, generate a pair
+ if ($userkey == '')
+ {
+ //Generate ssh-rsa-keys
+ exec('ssh-keygen -t rsa -C '.$username.'-rsa-key-'.time().' -f /tmp/id_rsa -N ""');
+
+ $privatekey = file_get_contents('/tmp/id_rsa');
+ $publickey = file_get_contents('/tmp/id_rsa.pub');
+
+ exec('rm -f /tmp/id_rsa /tmp/id_rsa.pub');
+
+ // Set the missing keypair
+ $app->db->query("UPDATE sys_user SET id_rsa='$privatekey' ,ssh_rsa='$publickey' WHERE client_id = ".$id);
+ $userkey = $publickey;
+
+ $this->app->log("ssh-rsa keypair generated for ".$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 '' >> '$sshkeys'");
+ }
+ // add the custom key
+ exec("echo '$sshrsa' >> '$sshkeys'");
+ exec("echo '' >> '$sshkeys'");
+
+ // set proper file permissions
+ exec("chown -R ".escapeshellcmd($this->data['new']['puser']).":".escapeshellcmd($this->data['new']['pgroup'])." ".$usrdir);
+ exec("chmod 600 '$sshkeys'");
+
+ $this->app->log("ssh-rsa key added to ".$sshkeys,LOGLEVEL_DEBUG);
+
}
//* Update the website root directory permissions depending on the security level
--
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