RE: [EXTERNAL] Re: SAML Authentication Extension Group Membership

[MARTINEZ, ARIEL]

Hi Simon,

The behavior you described is pretty much what I have experienced. Regarding 
the logouts, that is not working for me either. Perhaps these are ADFS specific 
issues as opposed to SAML in general.


-Original Message-
From: Simon Müller  
Sent: Tuesday, October 20, 2020 11:26 AM
To: user@guacamole.apache.org
Subject: RE: [EXTERNAL] Re: SAML Authentication Extension Group Membership

Hey there,

I am also trying to find a solution for this topic.

Thanks to you, Ariel, I have successfully achieved logging in by transforming 
the claim in my IdP (ADFS) to Name Id - Format "Email-Address".
Now I am struggling with the fact that for every user logging in, I would have 
to add them manually to a group and also add every connection to every group 
manually.

That's where saml-group-attribute could come in handy...So I configured "Send 
group membership as claim" as an additional claim issuance rule and the debug 
messages look promising so far:



In my guacamole.properties, I explicitly set "saml-group-attribute: Group"

Of course I created this particular group beforehand in my guacamole-server 
currently backed by mysql.
It seems the attributes are not honored at all. It would be really great if I 
could fill a mininum of attributes like "Full Name","E-Mail","Organization", 
"Department".

Another question that arises: How can I still use the REST API with the 
saml-auth enabled? In Jira I read something about the idea to provide an extra 
button for the SSO authentication so that you can still login with local users. 
Is there any intel when and if this will be possible in the future?

PS: Logging out currently is not possible at all, am I right? But that is my 
least concern. ;)



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RE: [EXTERNAL] Re: SAML Authentication Extension Group Membership

[Simon Müller]

Hey there,

I am also trying to find a solution for this topic.

Thanks to you, Ariel, I have successfully achieved logging in by
transforming the claim in my IdP (ADFS) to Name Id - Format "Email-Address".
Now I am struggling with the fact that for every user logging in, I would
have to add them manually to a group and also add every connection to every
group manually.

That's where saml-group-attribute could come in handy...So I configured
"Send group membership as claim" as an additional claim issuance rule and
the debug messages look promising so far:



In my guacamole.properties, I explicitly set "saml-group-attribute: Group"

Of course I created this particular group beforehand in my guacamole-server
currently backed by mysql.
It seems the attributes are not honored at all. It would be really great if
I could fill a mininum of attributes like "Full
Name","E-Mail","Organization", "Department".

Another question that arises: How can I still use the REST API with the
saml-auth enabled? In Jira I read something about the idea to provide an
extra button for the SSO authentication so that you can still login with
local users. Is there any intel when and if this will be possible in the
future?

PS: Logging out currently is not possible at all, am I right? But that is my
least concern. ;)



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RE: [EXTERNAL] Re: SAML Authentication Extension Group Membership

[MARTINEZ, ARIEL]

Is there anything else that can be tried to troubleshoot that anyone can think 
of?

Thanks


From: MARTINEZ, ARIEL
Sent: Monday, October 5, 2020 11:37 AM
To: user@guacamole.apache.org
Subject: Re: [EXTERNAL] Re: SAML Authentication Extension Group Membership




I reviewed the settings in guacamole.properties and everything seems to be in 
order (I left the sections for LDAP in place). Debug logging shows the line: 
SAMLResponse has attributes: 
{http://schemas.xmlsoap.org/claims/Group=[CN=..OU=..DC=]



In the extensions folder, I have the following in this order:

guacamole-auth-jdbc-mysql-1.2.0.jar

guacamole-auth-ldap-1.2.0.jar

guacamole-auth-saml-1.2.0.jar



I'm out of ideas of what or how to troubleshoot any further.



Thanks




From: MARTINEZ, ARIEL
Sent: Sunday, October 4, 2020 4:13 PM
To: user@guacamole.apache.org<mailto:user@guacamole.apache.org>
Subject: RE: [EXTERNAL] Re: SAML Authentication Extension Group Membership

Ok thanks. I wanted to make sure to avoid troubleshooting something that was 
expected behavior.

I have debug logging enabled and am able to see the group names coming from my 
identity provider. The line says "Group" so I set saml-group-attribute: Group 
in guacamole.properties (documentation says Groups is default) But when I log 
in, the group membership is not recognized and connections and permissions are 
not being applied.

Is there any other way to troubleshoot why the group membership is not being 
recognized?

Thanks


From: Nick Couchman mailto:vn...@apache.org>>
Sent: Sunday, October 4, 2020 4:02 PM
To: user@guacamole.apache.org<mailto:user@guacamole.apache.org>
Subject: [EXTERNAL] Re: SAML Authentication Extension Group Membership

WARNING: This email originated outside the Hostos campus. Do not click links or 
open attachments unless you recognize the sender and know the content is safe. 
Never provide login credentials, financial or sensitive details in response to 
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On Sun, Oct 4, 2020 at 4:01 PM Mike Jumper 
mailto:mjum...@apache.org>> wrote:
On Sun, Oct 4, 2020, 12:49 Nick Couchman 
mailto:vn...@apache.org>> wrote:
On Sun, Oct 4, 2020 at 3:45 PM MARTINEZ, ARIEL 
mailto:amarti...@hostos.cuny.edu>> wrote:
Does anyone know if the SAML extension is supposed to take the group membership 
of a user and associate it automatically to a group defined in Guacamole that 
has the same name?  This is what happens with the LDAP authentication 
extension, not sure if something similar applies to the SAML one.
The SAML extension does not currently implement Group membership.

Doesn't it? The "saml-group-attribute" property defines the SAML attribute used 
to retrieve groups.


Ah, yes, you're correct - I think I'm so used to answering that way for the 
other SSO modules that it was an automatic response...

-Nick

Re: [EXTERNAL] Re: SAML Authentication Extension Group Membership

[MARTINEZ, ARIEL]

I reviewed the settings in guacamole.properties and everything seems to be in 
order (I left the sections for LDAP in place). Debug logging shows the line: 
SAMLResponse has attributes: 
{http://schemas.xmlsoap.org/claims/Group=[CN=..OU=..DC=]


In the extensions folder, I have the following in this order:

guacamole-auth-jdbc-mysql-1.2.0.jar

guacamole-auth-ldap-1.2.0.jar

guacamole-auth-saml-1.2.0.jar


I'm out of ideas of what or how to troubleshoot any further.


Thanks




From: MARTINEZ, ARIEL
Sent: Sunday, October 4, 2020 4:13 PM
To: user@guacamole.apache.org
Subject: RE: [EXTERNAL] Re: SAML Authentication Extension Group Membership

Ok thanks. I wanted to make sure to avoid troubleshooting something that was 
expected behavior.

I have debug logging enabled and am able to see the group names coming from my 
identity provider. The line says "Group" so I set saml-group-attribute: Group 
in guacamole.properties (documentation says Groups is default) But when I log 
in, the group membership is not recognized and connections and permissions are 
not being applied.

Is there any other way to troubleshoot why the group membership is not being 
recognized?

Thanks


From: Nick Couchman 
Sent: Sunday, October 4, 2020 4:02 PM
To: user@guacamole.apache.org
Subject: [EXTERNAL] Re: SAML Authentication Extension Group Membership

WARNING: This email originated outside the Hostos campus. Do not click links or 
open attachments unless you recognize the sender and know the content is safe. 
Never provide login credentials, financial or sensitive details in response to 
an email or by clicking on a link. Report suspicious emails to: 
reports...@hostos.cuny.edu<mailto:reports...@hostos.cuny.edu>

On Sun, Oct 4, 2020 at 4:01 PM Mike Jumper 
mailto:mjum...@apache.org>> wrote:
On Sun, Oct 4, 2020, 12:49 Nick Couchman 
mailto:vn...@apache.org>> wrote:
On Sun, Oct 4, 2020 at 3:45 PM MARTINEZ, ARIEL 
mailto:amarti...@hostos.cuny.edu>> wrote:
Does anyone know if the SAML extension is supposed to take the group membership 
of a user and associate it automatically to a group defined in Guacamole that 
has the same name?  This is what happens with the LDAP authentication 
extension, not sure if something similar applies to the SAML one.
The SAML extension does not currently implement Group membership.

Doesn't it? The "saml-group-attribute" property defines the SAML attribute used 
to retrieve groups.


Ah, yes, you're correct - I think I'm so used to answering that way for the 
other SSO modules that it was an automatic response...

-Nick

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To unsubscribe, e-mail: user-unsubscr...@guacamole.apache.org
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RE: [EXTERNAL] Re: SAML Authentication Extension Group Membership

[MARTINEZ, ARIEL]

Ok thanks. I wanted to make sure to avoid troubleshooting something that was 
expected behavior.

I have debug logging enabled and am able to see the group names coming from my 
identity provider. The line says “Group” so I set saml-group-attribute: Group 
in guacamole.properties (documentation says Groups is default) But when I log 
in, the group membership is not recognized and connections and permissions are 
not being applied.

Is there any other way to troubleshoot why the group membership is not being 
recognized?

Thanks


From: Nick Couchman 
Sent: Sunday, October 4, 2020 4:02 PM
To: user@guacamole.apache.org
Subject: [EXTERNAL] Re: SAML Authentication Extension Group Membership

WARNING: This email originated outside the Hostos campus. Do not click links or 
open attachments unless you recognize the sender and know the content is safe. 
Never provide login credentials, financial or sensitive details in response to 
an email or by clicking on a link. Report suspicious emails to: 
reports...@hostos.cuny.edu

On Sun, Oct 4, 2020 at 4:01 PM Mike Jumper 
mailto:mjum...@apache.org>> wrote:
On Sun, Oct 4, 2020, 12:49 Nick Couchman 
mailto:vn...@apache.org>> wrote:
On Sun, Oct 4, 2020 at 3:45 PM MARTINEZ, ARIEL 
mailto:amarti...@hostos.cuny.edu>> wrote:
Does anyone know if the SAML extension is supposed to take the group membership 
of a user and associate it automatically to a group defined in Guacamole that 
has the same name?  This is what happens with the LDAP authentication 
extension, not sure if something similar applies to the SAML one.
The SAML extension does not currently implement Group membership.

Doesn't it? The "saml-group-attribute" property defines the SAML attribute used 
to retrieve groups.


Ah, yes, you're correct - I think I'm so used to answering that way for the 
other SSO modules that it was an automatic response...

-Nick