You can accept arbitrary credentials as a part of the auth process. The content of the login screen is determined by the credentials requested by the GuacamoleInvalidCredentialsException thrown, so you would just include username, password, and the desired select field in the set of fields:
https://guacamole.apache.org/doc/guacamole-ext/org/apache/guacamole/net/auth/credentials/GuacamoleInvalidCredentialsException.html A select field is represented by an EnumField: https://guacamole.apache.org/doc/guacamole-ext/org/apache/guacamole/form/EnumField.html - Mike On Mon, Dec 5, 2022, 9:42 AM Joachim Lindenberg <guacam...@lindenberg.one> wrote: > Hello Mike, > > my current auth extension calls to my backup software (which also manages > virtual machines created from backups), authenticates the user, and creates > a list of configurations (existing vms or to-be-created-vms) for the user > to pick from. As I am in fact running multiple backup servers, I want to > allow the users to choose the server to use from a list that could be > stored in guacamole.properties or similar. > > Thanks, > > Joachim > > > > *Von:* Michael Jumper <mjum...@apache.org> > *Gesendet:* Montag, 5. Dezember 2022 18:28 > *An:* user@guacamole.apache.org > *Betreff:* Re: Additional field (select options) on login screen? > > > > On Mon, Dec 5, 2022, 9:26 AM Joachim Lindenberg <guacam...@lindenberg.one> > wrote: > > Hello, > > I´d like to add an additional field to the login screen. The field should > be a select option (at least that is the html I would use, regardless of > how it is generated) and ideally the field can be prepopulated via the url > (subject to available options). > > To what end? > > I assume something like this can be done via an authentication extension > and I already have one, but so far it does not add the additional field, > nor is clear to me, how to make any additional UI element depend on > configuration or backend information. > > What does your auth extension currently do? > > > > - Mike > > >
