ole client could ask the user to pick any
of its "credential sets" from the guac DB (or none for user input).
I don't know if the "vault credential retrieval system" can be adapted to this
simpler setup.
Can the "vault" just be a table within guac DB?
Vieri
-
Updating the credentials would be up to each user, and it would greatly ease
logging into systems when using an IdP which does not support clearpass hence
no way of using ${GUAC_PASSWORD} (also when one needs to change the credentials
anyway
s",
"namespace" : "customurls",
"html" : [
"Note.html",
"CustomURLs.html"
]
}
So no, I don't see any incorrect paths or missing files.
As for the "modification of the extension .jar wh
ely... but it does.
As of the system I don't know where to look. Still, isn't it odd that
restarting the Tomcat service solves the problem? Could it have anything to do
with open file descriptors?
Vieri
-
On Friday, March 15, 2024 at 11:48:26 AM GMT+1, Nick Couchman
wrote:
> Can you get the full trace of this NullPointerExecption?
It's the same as in my previous post:
2024-03-15 07:34:08,879 [https-openssl-apr-8543-exec-8] DEBUG
o.a.g.rest.RESTExceptionMapper - Unexpected error in REST
?
Tomcat 8.5
Guacamole client 1.5.4
Vieri
On Wednesday, February 14, 2024 at 01:08:19 PM GMT+1, Vieri
wrote:
On Monday, February 12, 2024 at 08:10:23 PM GMT+1, Michael Jumper
wrote:
On 2/12/24 10:18, Vieri wrote:
>> ...
>> [https-openssl-apr-8543-ex
On Monday, February 12, 2024 at 08:10:23 PM GMT+1, Michael Jumper
wrote:
On 2/12/24 10:18, Vieri wrote:
>> ...
>> [https-openssl-apr-8543-exec-10] DEBUG o.a.g.rest.RESTExceptionMapper -
>> Unexpected error in REST endpoint.
>> java.lang.Nu
ses SAML auth.
What can I try if the problem were to come up again?
Thanks,
Vieri
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On Wednesday, January 24, 2024 at 11:38:35 PM GMT+1, Nick Couchman
wrote:
> CentOS 7
> freerdp-libs 2.1.1-5.el7_9
> openssl-devel 1.0.2k-26.el7_9
I'm using:
openssl 1.1.1l
freerdp 2.4.1
In my case, guacd 1.5.3 works flawlessly whereas 1.5.4 fails.
On Wednesday, January 24, 2024 at 04:01:52 PM GMT+1, Nick Couchman
wrote:
> When I say "underlying system" - I mean that I'm not running Docker
> containers, I'm installing natively on CentOS7,
> and when I upgraded from 1.5.3 to 1.5.4, I did not update any of the other
> dependencies
On Tuesday, January 23, 2024 at 04:02:10 PM GMT+1, Nick Couchman
wrote:
On Tue, Jan 23, 2024 at 6:53 AM Vieri wrote:
>> Hi,
>>
>> Even if the error message in the log refers to freerdp code there is
>> something in guacd-1.5.4 that makes the service "in need&q
e only observation I can make is that connections fail after a while with
guacd 1.5.4 but work in a stable manner with guacd 1.5.3.
The number of eventfds observed are very similar in both situations (1.5.3 vs
1.5.4).
Not much I can add for debug because I am forced to use 1.5.3 on a produc
On Thursday, January 11, 2024 at 10:55:53 AM GMT+1, Anders Fogh Eriksen
wrote:
> This could be related to the ”major bug” issue:
>https://lists.apache.org/thread/z8m7y5n0nco0smn1mscdn0fhyxjctrtt
> We have the same problem on our setup that after a certain amount of sessions
> everything
On Saturday, January 6, 2024 at 06:50:38 AM GMT+1, Michael Jumper
wrote:
> Interesting that there's so many eventfds. I wonder if there might be an
> underlying library call that's leaking these...
>
> To my knowledge, we're not opening any eventfds directly within the Guacamole
> codebase,
us connections.
It's hard to think it's a socket resource issue.
I'll keep looking.
Thanks,
Vieri
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uacamole 1.5.4 setup with
FreeRDP 2.10.0 (upgrade 2.4.1 to 2.10.0), and leave my old guacamole 1.4.0 with
FreeRDP 2.4.1 untouched.
Regards,
Vieri
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For additional comm
>From the OP it seems that guacamole 1.5.3 did not have this issue, but it is
>yet to be confirmed.
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've restarted guacd 1.5.4 I cannot reproduce the
problem for further research (until maybe it starts failing again which can
take quite a while).
Vieri
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For a
On Monday, December 18, 2023 at 07:12:16 PM GMT+1, Vieri
wrote:
>
> The SAML response contains something like this:
>
> NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:uri">
> my_user
> Name="urn:oid:1.2.840.113556.1.2.102"
> Name
.w3.org/2001/XMLSchema-instance;
xsi:type="xsd:string">my_admin_group
Is it the format Guacamole expects?
I have this in my guacamole.properties:
saml-group-attribute: urn:oid:1.2.840.113556.1.2.102
Regards,
Vieri
-
To un
t;SELECT * FROM guacamole_user_group_member;":
user_group_id | member_entity_id
---+--
3 | 3
However, even after logging out and back in I still can't see the Sharing
dropdown men
uper_user_group and this group
has Sharing Profile enabled bob will still not be able to share his connection
if Sharing Profile isn't explicitly enabled for user bob?
If so then what's the point in enabling Sharing Profile at group level?
aring profiles" for "my_admin_group" and
"my_super_user_group", but if a user whose a member of one of those groups logs
in the Sharing dropdown will not appear when in an RDP connection.
What can I try? What can I check to see why Guacamole think
rded-For addr. be used by Guacamole (if it "trusts" the
>> proxy)?
>>
>
> https://guacamole.apache.org/doc/gug/reverse-proxy.html#setting-up-the-remote-ip-valve
Correct. I must have missed that part of the doc. Works great.
Thanks,
Vieri
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Same thing happening on Gentoo Linux.
Can the Guacamole makefile include -lrt?
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d-For addr. be used by Guacamole (if it "trusts" the proxy)?
Regards,
Vieri
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OK, I just got bitten by my own system.
Guacamole is behind a reverse-proxy with ModSecurity.
Sending variables as ${} is considered a potential attack, so I get this in the
WAF:
[id "932130"] [msg "Remote Command Execution: Unix Shell Expression Found"]
[data "Matched Data:
On Tuesday, February 7, 2023 at 09:36:47 AM GMT+1, Vieri
wrote:
>
> I haven't checked yet if the recorded file name actually contains the
> expanded values.
I just cjhecked and can confirm that ${GUAC_USERNAME}, ${GUAC_DATE} and
${GUAC_TIME} are properly expanded (ie. I can see f
The problem seems to be with special characters such as curly braces.
I can reproduce the issue (blank error message) with both "cloning" and
"creating" a connection -- it doesn't really matter (red herring).
To reproduce it yourself, simply add ${GUAC_DATE} and/or ${GUAC_USERNAME} or
anything
the pink message box doesn't contain any text -- just "error").
Is there something special about "cloning" a connection configuration and
saving it (after changing the name and target host of cours
On Wednesday, November 9, 2022 at 12:05:32 PM GMT+1, Obuno
wrote:
>
> /usr/bin/unzip -o /var/lib/tomcat9/webapps/guacamole.war -d
>/var/lib/tomcat9/webapps/guacamole/
AFAIK you don't need to unzip anything. Just copy the war file, and Tomcat will
do the rest.
such as:
Exception in thread "Thread-32940" java.lang.IllegalStateException: The
WebSocket session [231a] has been closed and no method (apart from close()) may
be called on a closed session
They seem to show up when "testuser" tries to connect.
Any ideas?
Using v.
to provide the connection details, and in any case I
don't want to give users permission to change all of the connection features.
Regards,
Vieri
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For additional c
ly way (if I wanted more
than one webapp) is to configure 1 VitualHost that reverse-proxies to different
specific Locations, one for each webapp.
Thanks,
Vieri
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ntainer/webapp how should I do that?
I do not want to configure 1 virtual domain as the root reverse proxy and from
there deploy tomcat webapps.
I require each virtualhost to point to a specific tomcat webaoo,
Vieri
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The problem seems to be with the onelogin library:
java-saml/core/src/main/java/com/onelogin/saml2/authn/SamlResponse.java
contains:
protected void validateDestination(final Element element) throws
ValidationError {
if (element.hasAttribute("Destination")) {
On Thursday, June 30, 2022, 01:22:13 AM GMT+2, Vieri
wrote:
> Apparently, the IdP had a misconfiguration for the guacamole SP. My original
> error is now solved, and I can now log into the IdP.
> However, when I am redirected back to guacamole I enter an infinite
> redirection
domain.org/api/ext/saml/callback.
Regards,
Vieri
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On Wednesday, June 29, 2022 at 03:00:12 PM GMT+2, chomik MChamster
wrote:
> Hey Vieri,
> Not sure if you want to try this - I could not get guacamole-auth-saml-1.4
> working with my guacamole 1.4 deployment. As far as I
> remember it had to do with the proxy config (I'm not an
amole.apache.org/doc/1.4.0/gug/reverse-proxy.html
Unfortunately, I do not have access to the IdP so I don't know if the problem
is in my SP or in the remote IdP.
Thanks anyway,
Vieri
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ithout the reverse proxy. The SAML callback URL seems to be the culprit,
but I don't know why.
Thanks,
Vieri
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Path /guacamole/ /
Require all granted
ProxyPass wss://localhost:8543/guacamole/websocket-tunnel
ProxyPassReverse wss://localhost:8543/guacamole/websocket-tunnel
Any thoughts?
On Tuesday, June 7, 2022, 02:27:50 PM GMT+2, Nick Couchman
wrote:
> Yes, SLO is not implemented in Guacamole at the moment - there are existing
> Jira issues out there to implement this in each of the SSO extensions, but
> this work has not been
> done.
OK, like this issue:
thing like /endpoint/logout?ReturnTo=, but I'm
unsure as how and where to do this.
Regards,
Vieri Jerome
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quot;C:\Firefox\profile" leaving only the chrome/ subdir before actually running
firefox.exe with its arguments. Sounds very ugly, but it might work if the user
running the process can actually delete the dir content.
Thanks,
Vieri
---
ure this is "safe" to be used in a multi-user
environment.
Thanks,
Vieri Jerome
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On Thursday, June 2, 2022, 02:35:47 AM GMT+2, Nick Couchman
wrote:
> Does the case of the groups created in JDBC match the case in this log
> message?
That was it -- silly me.
Thanks!
Vieri Jerome
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moteApp
opens, so I cannot add things like javascript:winodw.close() or the likes.
Regards,
Vieri Jerome
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ing), group2(String), My_Group(String), group3(String)
So what next?
Am I misunderstanding the way SAML works with Guacamole, or could it be a bug
or missing feature?
Any answer will do...
Thanks,
Vieri Jerome
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sponse - SAMLResponse has attributes:
{urn:oid:1.2.840.113556.1.2.102=[Some_group, My_Group, Another_Group],
urn:oid:2.5.4.3=[MyUser], IDP=[INTERNAL]}
The group is there, so what's wrong?
Vieri Jerome
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FWIW I can confirm that the problem is fixed with the latest GIT version of
guacamole-server.
Thanks,
Vieri
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ay or two.
Thanks,
Vieri
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se parameters:
gs -q -dNOPAUSE -dBATCH -dSAFER -dPARANOIDSAFER -sDEVICE=pdfwrite
-sOutputFile=- -sstdout=/dev/null -f -
# gs --version
9.55.0
What can I try?
Vieri
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On Sunday, March 27, 2022, 05:32:07 PM GMT+2, Vieri
wrote:
>
> I created this:
> https://issues.apache.org/jira/browse/GUACAMOLE-1565
Hi again,
Regarding SAML there's another important feature I haven't requested on Jira
yet.
I require the guacamole application to allow acce
file to "ROOT.war".
So with that in mind, one cannot have more than one backend on the reverse
proxy?
Vieri
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On Saturday, March 26, 2022, 06:15:38 PM GMT+1, Vieri
wrote:
>> samlMap.put(SettingsBuilder.SP_X509CERT_PROPERTY_KEY,
>> "SP_PEM_public_key_string");
>> samlMap.put(SettingsBuilder.SP_PRIVATEKEY_PROPERTY_KEY,
>> "SP_PEM_private_key_string");
On Saturday, March 26, 2022, 12:34:32 AM GMT+1, Vieri
wrote:
> samlMap.put(SettingsBuilder.SP_X509CERT_PROPERTY_KEY,
> "SP_PEM_public_key_string");
> samlMap.put(SettingsBuilder.SP_PRIVATEKEY_PROPERTY_KEY,
> "SP_PEM_private_key_string");
Just to let you kno
: ERROR:
value too long for type character varying(128)
Regards,
Vieri
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The version of Guacamole is downloaded from the Guacamole home page, but I
think I must have gotten the GIT version instead. Now I re-built the 1.4.0, and
I do not get the extension error anymore.
Sorry for the confusion.
Thanks,
Vieri
.findClass(ExtensionClassLoader.java:154)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
... 44 common frames omitted
Vieri
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On Friday, March 25, 2022, 12:03:21 PM GMT+1, Vieri
wrote:
>
>Is the current implementation of guacamole-auth-sso-saml-1.4.0 capable of
>decrypting SAML responses with the SP's private key?
Maybe when
https://github.com/apache/guacamole-client/blob/c63c02d645abf763db00de9174b4537
it?
Any alternative ideas such as maybe installing and configuring Shibboleth from
https://shibboleth.net/downloads/service-provider/ and then Shibbolize the
Guacamaole Tomcat web service
(https://shibboleth.atlassian.net/wiki/spaces/SHIB2/pages/2577
I can't get past this. I keep getting the "No private key available for
decrypt, check settings" as seen here below:
[https-openssl-apr-8543-exec-2] WARN
o.a.g.a.s.a.AssertionConsumerServiceResource - Authentication attempted with an
invalid SAML response: Current SAML settings are
On Tuesday, March 22, 2022, 11:26:59 PM GMT+1, Vieri
wrote:
>"No private key available for decrypt, check settings"
How does the certificate bit work in layman's terms.
My guacamole config is:
extension-priority: saml
saml-idp-metadata-url: https://idp.domain.org/idp/sh
On Tuesday, March 22, 2022, 11:15:10 PM GMT+1, Vieri
wrote:
>"No private key available for decrypt, check settings"
OK, scratch my last post. I think there's been a cert mixup between the SP and
IdP.
Either one is using the wron
On Tuesday, March 22, 2022, 06:00:26 PM GMT+1, Vieri
wrote:
> My IdP has just now changed something (probably certificates), and I'm now
> seeing this in my guacamole logs while in a redirection loop between SP and
> IdP:
> "Current SAML settings are insufficient
SAML
response"
What are the possible causes that trigger this message?
(I sent guacamole's public cert to the IdP.)
Thanks,
Vieri
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On Sunday, March 20, 2022, 11:53:19 AM GMT+1, Vieri
wrote:
> This is my current guacamole.properties
If I replace LDAP connection provisioning with a Postgresql backend, I get the
expected result: connections are properly loaded even when authenticating with
SAML.
So I guess I'm bet
I finally have SAML working with my Guacamole installation. The problem was on
the IdP side as they were not using the right callback URL and they were
setting the user name/ID in a custom attribute instead of using nameID.
Now that I can log into Guacamole with the IdP via SAML, I'm unable to
org.apache.guacamole.log.LogModule -
Loading logback configuration from "/etc/guacamole/logback.xml".
# cat logback.xml
%d [%thread] %-5level %logger{36} - %msg%n
Why isn't Tomcat/guacamole loggging the SAML replies?
Regar
On Friday, March 18, 2022, 09:52:11 AM GMT+1, Vieri
wrote:
> OK, so even if I remove my LDAP authentication extension and keep ONLY the
> SAML SSO extension (to keep things simple) I still get a redirection loop:
>
>
> DEBUG o.a.g.rest.RESTExceptionMapper - Client r
ally rejecting a client already properly
authenticated with the IdP?
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Vieri
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I'm afraid it still doesn't work even though this time I'm not getting an
infinite loop.
I set guac SAML like this:
extension-priority: saml
saml-idp-metadata-url: https://idp.domain.org/idp/shibboleth
saml-entity-id: https://guacamole.domain.org
saml-callback-url:
On Thursday, March 17, 2022, 01:14:18 PM GMT+1, Tyler Marcotte
wrote:
> Yes, you want to use "https:///api/ext/saml/callback" as the
> callback URL to finish out the process.
Thanks for that!
Hope this small but important piece of information makes its way into
main.org/api/ext/saml/callback; instead?
It's not mentioned in the Apache Guacamole documentation found here:
https://guacamole.apache.org/doc/gug/saml-auth.html
Regards,
Vieri
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n="...
AssertionConsumerService
Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST" Location="...
So what are the SAML endpoints and bindings for Apache Guacamole?
Does Guacamole generate an SP metadata XML file?
Regards,
Vieri
---
5d 41 5c 41 5d 41 5e 41 5f e9 6b c7 ff ff 66 66 2e 0f 1f
84 00 00 00 00 00 48 8b 07 45 31 c0 48 8b 40 10 48 8b 50 50 <8b> 52 10 85 d2 7f
07 48 83 78 58 00 74 04 44 89 c0 c3 44 8b 47 20
I'm using freerdp 2.4.1.
Any ideas?
Vieri
---
An admin user such as default guacadmin cannot change any personal data within
its own user details (web admin page). I get a permission denied message.
Is it intended, a possible misconfiguration on my behalf or a bug?
Vieri
ing invalid TOTP
> codes.
OK, got it. That was the real issue then. Everything else was coincidental.
So I guess there are still no authenticator apps out there that honor the
totp-digits and totp-mode settings.
Thanks,
Vieri
---
lowing change in the DB:
update guacamole_user_attribute set attribute_value = 'false' where
attribute_name = 'guac-totp-key-confirmed' and user_id = 1;
That was enough to re-enroll.
Thanks,
Vieri
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How does one clear the TOTP data for the guacadmin user?
Regards,
Vieri
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Here's what I did to make it work.
I edited APP.NAME in
/guacamole/src/main/frontend/src/translations/en.json
and set the exact same string to totp-issuer.
Rebuilt guacamole-client.
Works now with authenticator apps.
Any ideas why one can't customize totp-digits and totp-mode whlle using
On Wednesday, February 9, 2022, 01:53:27 PM GMT+1, Vieri
wrote:
> Answering myself, totp-issuer has to be Apache Guacamole in order to work
> out-of-the-box with Google Authenticator, MS Authenticator and the likes.
>
> If I wanted to change that string, where else should it be
Answering myself, totp-issuer has to be Apache Guacamole in order to work
out-of-the-box with Google Authenticator, MS Authenticator and the likes.
If I wanted to change that string, where else should it be done for 2FA to work
with these external apps?
Regards,
Vieri
try to enter the 6 digits, I get a verification error.
What can I try?
Can I check the backend? Is the totp data stored in the db?
Which table?
Regards,
Vieri
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BTW, is there a drawback if I use the mysql java connector instead of mariadb's
even though my backend is mariadb?
Vieri
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On Wednesday, February 9, 2022, 09:59:45 AM GMT+1, Vieri
wrote:
> If I set mysql-driver: mariadb I get an error (no suitable driver) if I ONLY
> have mariadb-java-client-3.0.3.jar in /etc/guacamole/lib/ (I also tried an
> earlier version).
> If I add mysql-connector-jav
pom.properties
4725 Fri Jan 21 10:40:50 CET 2022 META-INF/versions/9/module-info.class
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Vieri
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s /etc/guacamole/lib/
mariadb-java-client-3.0.3.jar mysql-connector-java-8.0.28.jar
and then add
/etc/guacamole/lib/mariadb-java-client-3.0.3.jar:/etc/guacamole/lib/mysql-connector-java-8.0.28.jar
to my Tomat classpath.
Vieri
---
On Tuesday, February 8, 2022, 04:59:41 PM GMT+1, Vieri
wrote:
On Tuesday, February 8, 2022, 03:47:46 PM GMT+1, Nick Couchman
wrote:
>> I'm trying to set up guacamole with mariadb + ldap + totp.
>> # ls /etc/guacamole/lib/
>> mariadb-java-client-3.0.3.jar
>
&g
46590 0t0 TCP 127.0.0.1:3306
(LISTEN)
Thanks,
Vieri
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th extension" mean?
I don't see a "lib" within the JDBC MySQL jar file.
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Vieri
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to get rid of the on-screen keyboard reduces
drastically the visual.
Thanks,
Vieri
On Friday, January 14, 2022, 12:37:59 AM GMT+1, Hankins, Jonathan
wrote:
I believe it introduces the .setpdfwrite command, so you would need to remove
it too:
https://www.ghostscript.com/doc/current/Use.htm
rite.
In any case, I compile guacamole-server with this patch, and I can confirm that
printing to PDF finally works.
Is a bug report necessary?
Thanks again,
Vieri
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On Thursday, January 13, 2022, 11:30:41 PM GMT+1, Vieri
wrote:
> It looks like the issue lies in GhostScript itself
> Error: /undefined in .setpdfwrite
> That option is indeed passed to "gs" in the case of the print filter command
> used by the RDP support
I downgra
ll, that's "good" news!
Thanks for looking into this.
I have gs v. 9.55, and I can try to downgrade all the way down to v. 9.52.
I'm guessing you're not seeing my printing problem, so what gs version are you
using?
Vieri
--
On Thursday, January 13, 2022, 11:46:38 AM GMT+1, Vieri
wrote:
>> Are you saying that if you run the 1.3.0 guacd with the 1.4.0 webapp, the
>> problem disappears?
>
> No, in my case rolling back means going back to using my old server which has
> both guacd and client
> problem disappears?
No, in my case rolling back means going back to using my old server which has
both guacd and client at 1.3.0.
I can try guacd 1.3.0 with client 1.4.0 if you think it's worth a try.
Vieri
new 1.pdf
Description: Adobe PDF document
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On Wednesday, January 12, 2022, 05:34:17 PM GMT+1, Vieri
wrote:
>
> I have ghostscript-gpl-9.55.0.
>
> So I guess gs is not the issue here.
>
> Any suggestions?
Hi,
This has become a security issue for me because I cannot upgrade to 1.4.0 as my
users require virtual pr
Hi again,
On the guacamole 1.4.0 server I ran the following test to somehow simulate the
gs output guacd would expect (I guess):
# pdf2ps guac_print.pdf
Warning: File has some garbage before %PDF- .
# gs -sDEVICE=pdfwrite -sOutputFile=guac_print_test.pdf guac_print.ps
If I open
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