Hi Nick, and ALL

Thanks for your previous help. I have a question about a few steps in my 
build/configuration.

In the process of creating the guacamole_user/admin for the guacamole_db, how 
does one go about doing so with a hash and perhaps salted password?


 mysql> CREATE DATABASE guacamole_db;
Query OK, 1 row affected (0.00 sec)

>>mysql> CREATE USER 'guacamole_user'@'localhost' IDENTIFIED BY 'some_password';
Query OK, 0 rows affected (0.00 sec)

I would then need to print the hash and replace the plain text password in the 
guacamole.properties file


 # MySQL properties
mysql-hostname: localhost
mysql-port: 3306
mysql-database: guacamole_db
mysql-username: guacamole_user
>>mysql-password: some_password

So far I have tried a number of things, including using SELECT 
MD5(‘somepassword’); to print a sum I replaced some_password with but that 
didn’t seem to work. I also added “mysql-encoding: md5” to guacamole.properties 
which didn’t break it, but that didn’t help either.

I did see in the Guacamole Documentation on the MySQL chapter some SET and 
INSERT syntax, but I don’t believe that would work either (this might be user 
error, but I did try that and kept getting an error stating I had not selected 
a database).

I am reading through some MySQL documentation, and have tried using CREATE USER 
‘myuser’@’localhost’ IDENTIFIED WITH (a number of variations including  
mysql_native_pasword, sha256_password…) BY ‘some_password’;

All to no avail. However, in the process of writing this email I did just see 
this section on the MySQl doc.


  *   To avoid specifying the cleartext password if you know its hash value 
(the value that 
PASSWORD()<https://dev.mysql.com/doc/refman/5.5/en/encryption-functions.html#function_password>
 would return for the password), specify the hash value preceded by the keyword 
PASSWORD:
Press CTRL+C to copy
CREATE USER 'jeffrey'@'localhost'
IDENTIFIED BY PASSWORD '*90E462C37378CED12064BB3388827D2BA3A9B689';
The server assigns the given password to the account but no authentication 
plugin. Clients must provide the password when they connect.

While that might work, if you have any helpful thoughts on the subject, I would 
be grateful for your assistance.

Cheers,

-Kerman


From: Nick Couchman <vn...@apache.org>
Sent: Monday, July 30, 2018 4:13 PM
To: user@guacamole.apache.org
Subject: Re: Http Header Auth

On Mon, Jul 30, 2018 at 3:19 PM Bime, Kerman K. (GSFC-606.2)[InuTeq, LLC] 
<kerman.k.b...@nasa.gov<mailto:kerman.k.b...@nasa.gov>> wrote:
To whom it may concern,

Could you provide more information on configuring guacamole.properties for HTTP 
Header Authentication. The manual/documentation essentially just says to drop 
the jar file in GUAC_Home/extensions.

Yes, and reload Tomcat or the re-deploy the Guacamole WAR file.  The only thing 
to configure within Guacamole is if you want to change the header that's used 
to something other than REMOTE_USER, you can set that, as well.

Other than that, you also have to set up your web server to provide that 
authentication - you can do this in Tomcat (or your Java Application Server - 
Jetty, JBOSS, etc.), or you can do it on an upstream reverse proxy server, like 
Nginx or Apache httpd.  You can find examples of how to configure this for 
Nginx at the following page:

https://docs.nginx.com/nginx/admin-guide/security-controls/configuring-http-basic-authentication/


I understand that this needs to be layered on top of a db like MySql (which I 
have setup), however it does’t provide more info that. For the lay person, i 
would like some sort of direction of how to configure that portion. Also, any 
info besides how to configure and more on what information I need to give 
guacamole.properties to make it http auth work would be great.


You'll basically want to take a look at the chapter on JDBC configuration and 
configure that.  Layering the modules does not require anything special, per se 
- you install and configure each of the modules, and the "layering" happens 
automatically.  It is done via username, so if the username of your user logged 
in via the HTTP header module matches one present in the JDBC module, the 
permissions in the JDBC module will be assigned to that user.  You might find 
the following section helpful - it deals with LDAP + JDBC, but really applies 
anything, including Header auth, plus JDBC:

http://guacamole.apache.org/doc/gug/ldap-auth.html#ldap-and-database

Feel free to post back if you have additional questions!

-Nick
  • MySQL Bime, Kerman K. (GSFC-606.2)[InuTeq, LLC]

Reply via email to