Adding new Resolver

How easy/difficult is it to add a new resolver?
We use LDAP for user information, but Kerberos for the password
I would like to add a ‘LDAP-Kerberos’ resolver

Hi,

I would say, the difficulty level is at 6.9.

You need to

  1. write a resolver inherited from the baseclass.
    This is relatively simple
    15.2.2. UserIdResolvers — privacyIDEA 3.8 documentation

  2. Then you need to add the resolver to certain code locations,
    since we remove the dynamic loading. It was not worth it.
    See these code occurences
    https://github.com/privacyidea/privacyidea/blob/master/privacyidea/lib/config.py#L423
    Oups, this looks like the only one.

Now it would be fully functional on an API level.

  1. But you might also want to add some UI stuff.
    The UI is angularJS and you would have to add a new config component
    here
    https://github.com/privacyidea/privacyidea/tree/master/privacyidea/static/components/config
    Two states like
    config.resolvers.addyourresolver
    config.resolvers.edityourresolver
    A view like
    config.resolvers.yourresolver.html
    and you might need to adapt one of the controllers or bring your own
    controller.

Done.

But the question is, why you think, you need to do so. What Kerberos
implementation are you using? Verifying the password via the kerberos
protocol might be a bit difficult here. In which kind of backend is the
password stored? Or is a a flat file on your KDC?

Kind regards
CorneliusAm Freitag, den 27.05.2016, 16:45 -0700 schrieb gfaber@soundhound.com:

How easy/difficult is it to add a new resolver?
We use LDAP for user information, but Kerberos for the password
I would like to add a ‘LDAP-Kerberos’ resolver


Please read the blog post about getting help
Getting help – privacyID3A.

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authentication please visit
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Cornelius Kölbel
@cornelinux
+49 151 2960 1417

NetKnights GmbH
http://www.netknights.it
Landgraf-Karl-Str. 19, 34131 Kassel, Germany
Tel: +49 561 3166797, Fax: +49 561 3166798

Amtsgericht Kassel, HRB 16405
Geschäftsführer: Cornelius Kölbel

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Hi Cornelius,

We’re using MIT Kerberos for authentication/authorization and all other
login information comes from LDAP (no passwords in LDAP though)
Passwords are stored in the ‘standard’ Kerberos database

Here’s what I’ve done so far:
Copy
privacyIDEA/lib/python2.7/site-packages/privacyidea/lib/resolvers/LDAPIdResolver.py
to
privacyIDEA/lib/python2.7/site-packages/privacyidea/lib/resolvers/LDAP-KerberosIdResolver.py
and make the following changes:
427c427
< return ‘ldapresolver’—

    return 'ldap-kerberosresolver'

555c555
< descriptor[‘clazz’] = “useridresolver.LDAPIdResolver.IdResolver”

    descriptor['clazz'] = 

“useridresolver.LDAP-KerberosIdResolver.IdResolver”

Modify
privacyIDEA/lib/python2.7/site-packages/privacyidea/static/components/config/controllers/configControllers.js
497c497
< $scope.availableResolverTypes = [‘passwdresolver’, ‘ldapresolver’,
‘sqlresolver’, ‘scimresolver’, ‘ldap-kerberosresolver’];

$scope.availableResolverTypes = ['passwdresolver', 'ldapresolver', 

‘sqlresolver’, ‘scimresolver’];

Copy the LdapResolverController function as Ldap-KerberosResolverController
and make the following changes:
1c1
< myApp.controller(“LdapResolverController”, function ($scope,
ConfigFactory, $state,

myApp.controller(“Ldap-KerberosResolverController”, function ($scope,
ConfigFactory, $state,
13c13
< type: ‘ldapresolver’,


    type: 'ldap-kerberosresolver',

30c30
< $scope.params.type = ‘ldapresolver’;

        $scope.params.type = 'ldap-kerberosresolver';

Mofidy
privacyIDEA/lib/python2.7/site-packages/privacyidea/static/components/config/states/states.js
64,71d63
< .state(‘config.resolvers.addldap-kerberosresolver’, {
< url: “/ldap”,
< templateUrl: configpath +
“config.resolvers.ldap-kerberos.html”
< })
< .state(‘config.resolvers.editldap-kerberosresolver’, {
< url: “/ldap/{resolvername:.*}”,
< templateUrl: configpath +
“config.resolvers.ldap-kerberos.html”
< })

Copy
privacyIDEA/lib/python2.7/site-packages/privacyidea/static/components/config/views/config.resolvers.ldap.html
to
privacyIDEA/lib/python2.7/site-packages/privacyidea/static/components/config/views/config.resolvers.ldap-kerberos.html
Make changes:
1c1
<

5c5
< translate>Edit LDAP Resolver {{ resolvername }}

    translate>Edit LDAP-Kerberos Resolver {{ resolvername }}</h2>

8c8
< translate>Create a new LDAP Resolver

    translate>Create a new LDAP-Kerberos Resolver</h2>

10c10
< <form name=“formResolverAddLdap” role=“form” validate

<form name="formResolverAddLdapKerberos" role="form" validate

185c185
< ng-disabled=“formResolverAddLdap.$invalid”

            ng-disabled="formResolverAddLdapKerberos.$invalid"

187c187
< translate>Test LDAP Resolver

            translate>Test LDAP-Kerberos Resolver

189,190c189,190
< <button ng-click=“setLDAPResolver()”
< ng-disabled=“formResolverAddLdap.$invalid”

    <button ng-click="setLDAPKerberosResolver()"
            ng-disabled="formResolverAddLdapKerberos.$invalid"

If I now go to Config/Users, I see ‘New ldap-kerberosresolver’
I can click ‘new’, fill in all the parameters and click ‘Test LDAP
Resolver’ and it finds 262 users
‘Save resolver’ gets me a new resolver, but the type is listed as
‘ldapresolver’, so I seem to be tying in to the original ldapresolver
somewhere

Any suggestions?

Gabriel

On Friday, May 27, 2016 at 10:19:42 PM UTC-7, Cornelius Kölbel wrote:

Hi,

I would say, the difficulty level is at 6.9.

You need to

  1. write a resolver inherited from the baseclass.
    This is relatively simple

15.2.2. UserIdResolvers — privacyIDEA 3.8 documentation
http://www.google.com/url?q=http%3A%2F%2Fprivacyidea.readthedocs.io%2Fen%2Flatest%2Fmodules%2Fuseridresolvers.html%23base-class&sa=D&sntz=1&usg=AFQjCNEz4lfyMaWF4docgnMVSHyltFPaKw

  1. Then you need to add the resolver to certain code locations,
    since we remove the dynamic loading. It was not worth it.
    See these code occurences

https://github.com/privacyidea/privacyidea/blob/master/privacyidea/lib/config.py#L423
Oups, this looks like the only one.

Now it would be fully functional on an API level.

  1. But you might also want to add some UI stuff.
    The UI is angularJS and you would have to add a new config component
    here

https://github.com/privacyidea/privacyidea/tree/master/privacyidea/static/components/config
Two states like
config.resolvers.addyourresolver
config.resolvers.edityourresolver
A view like
config.resolvers.yourresolver.html
and you might need to adapt one of the controllers or bring your own
controller.

Done.

But the question is, why you think, you need to do so. What Kerberos
implementation are you using? Verifying the password via the kerberos
protocol might be a bit difficult here. In which kind of backend is the
password stored? Or is a a flat file on your KDC?

Kind regards
Cornelius

Am Freitag, den 27.05.2016, 16:45 -0700 schrieb gfa...@soundhound.com
<javascript:>:

How easy/difficult is it to add a new resolver?
We use LDAP for user information, but Kerberos for the password
I would like to add a ‘LDAP-Kerberos’ resolver


Please read the blog post about getting help
Getting help – privacyID3A.

For professional services and consultancy regarding two factor
authentication please visit
One Time Services - NetKnights - IT-Sicherheit - Zwei-Faktor-Authentisierung - Verschlüsselung

In an enterprise environment you should get a SERVICE LEVEL AGREEMENT
which suites your needs for SECURITY, AVAILABILITY and LIABILITY:
privacyIDEA Support Level

You received this message because you are subscribed to the Google
Groups “privacyidea” group.
To unsubscribe from this group and stop receiving emails from it, send
an email to privacyidea...@googlegroups.com <javascript:>.
To post to this group, send email to priva...@googlegroups.com
<javascript:>.
Visit this group at https://groups.google.com/group/privacyidea.
To view this discussion on the web visit

https://groups.google.com/d/msgid/privacyidea/603a9057-2465-4571-ad2a-696e098175aa%40googlegroups.com.

For more options, visit https://groups.google.com/d/optout.


Cornelius Kölbel
corneliu…@netknights.it <javascript:>
+49 151 2960 1417

NetKnights GmbH
http://www.netknights.it
Landgraf-Karl-Str. 19, 34131 Kassel, Germany
Tel: +49 561 3166797, Fax: +49 561 3166798

Amtsgericht Kassel, HRB 16405
Geschäftsführer: Cornelius Kölbel

Hi Gabriel,

I am not good in reading this kind of diff output.
Probably it is due to your angular routes.

But: Anyway. I very much recommend another approach. Everything in
privacyIDEA is an API. So everything is first developed in the backend.
And you have to come up with the corresponding tests, to at least
provide the impression of test driven development :wink:

Tests are located here:

I would get a step back and recommend documentation driven development.
First you need to write down, which additional information is needed to
authenticate a user and what you want to achieve.
Should a user provide a credentials: username/Password against the KDC -
what should happen then?

Should a user provide a kerberos ticket to authenticate?
The only method of interest to you is probably checkPass.

Since all other information is read from the LDAP anyway!

So first lets get clear, what you would like to achieve and how this can
be done.

Kind regards
CorneliusAm Dienstag, den 31.05.2016, 14:22 -0700 schrieb gfaber@soundhound.com:

Hi Cornelius,

We’re using MIT Kerberos for authentication/authorization and all
other login information comes from LDAP (no passwords in LDAP though)
Passwords are stored in the ‘standard’ Kerberos database

Here’s what I’ve done so far:
Copy
privacyIDEA/lib/python2.7/site-packages/privacyidea/lib/resolvers/LDAPIdResolver.py to privacyIDEA/lib/python2.7/site-packages/privacyidea/lib/resolvers/LDAP-KerberosIdResolver.py
and make the following changes:
427c427
< return ‘ldapresolver’

    return 'ldap-kerberosresolver'

555c555
< descriptor[‘clazz’] =
“useridresolver.LDAPIdResolver.IdResolver”

    descriptor['clazz'] =

“useridresolver.LDAP-KerberosIdResolver.IdResolver”

Modify
privacyIDEA/lib/python2.7/site-packages/privacyidea/static/components/config/controllers/configControllers.js
497c497
< $scope.availableResolverTypes = [‘passwdresolver’,
‘ldapresolver’, ‘sqlresolver’, ‘scimresolver’,
‘ldap-kerberosresolver’];

$scope.availableResolverTypes = ['passwdresolver',

‘ldapresolver’, ‘sqlresolver’, ‘scimresolver’];

Copy the LdapResolverController function as
Ldap-KerberosResolverController and make the following changes:
1c1
< myApp.controller(“LdapResolverController”, function ($scope,
ConfigFactory, $state,

myApp.controller(“Ldap-KerberosResolverController”, function
($scope, ConfigFactory, $state,
13c13
< type: ‘ldapresolver’,


    type: 'ldap-kerberosresolver',

30c30
< $scope.params.type = ‘ldapresolver’;

        $scope.params.type = 'ldap-kerberosresolver';

Mofidy
privacyIDEA/lib/python2.7/site-packages/privacyidea/static/components/config/states/states.js
64,71d63
< .state(‘config.resolvers.addldap-kerberosresolver’,
{
< url: “/ldap”,
< templateUrl: configpath +
“config.resolvers.ldap-kerberos.html”
< })
< .state(‘config.resolvers.editldap-kerberosresolver’,
{
< url: “/ldap/{resolvername:.*}”,
< templateUrl: configpath +
“config.resolvers.ldap-kerberos.html”
< })

Copy
privacyIDEA/lib/python2.7/site-packages/privacyidea/static/components/config/views/config.resolvers.ldap.html to privacyIDEA/lib/python2.7/site-packages/privacyidea/static/components/config/views/config.resolvers.ldap-kerberos.html
Make changes:
1c1
<

5c5
< translate>Edit LDAP Resolver {{ resolvername }}

    translate>Edit LDAP-Kerberos Resolver

{{ resolvername }}


8c8
< translate>Create a new LDAP Resolver
    translate>Create a new LDAP-Kerberos Resolver</h2>

10c10
< <form name=“formResolverAddLdap” role=“form” validate

<form name="formResolverAddLdapKerberos" role="form" validate

185c185
< ng-disabled=“formResolverAddLdap.$invalid”

            ng-disabled="formResolverAddLdapKerberos.$invalid"

187c187
< translate>Test LDAP Resolver

            translate>Test LDAP-Kerberos Resolver

189,190c189,190
< <button ng-click=“setLDAPResolver()”
< ng-disabled=“formResolverAddLdap.$invalid”

    <button ng-click="setLDAPKerberosResolver()"
            ng-disabled="formResolverAddLdapKerberos.$invalid"

If I now go to Config/Users, I see ‘New ldap-kerberosresolver’
I can click ‘new’, fill in all the parameters and click ‘Test LDAP
Resolver’ and it finds 262 users
‘Save resolver’ gets me a new resolver, but the type is listed as
‘ldapresolver’, so I seem to be tying in to the original ldapresolver
somewhere

Any suggestions?

Gabriel

On Friday, May 27, 2016 at 10:19:42 PM UTC-7, Cornelius Kölbel wrote:
Hi,

    I would say, the difficulty level is at 6.9. 
    
    You need to 
    1. write a resolver inherited from the baseclass. 
       This is relatively simple 
    http://privacyidea.readthedocs.io/en/latest/modules/useridresolvers.html#base-class 
    
    2. Then you need to add the resolver to certain code
    locations, 
       since we remove the dynamic loading. It was not worth it. 
       See these code occurences 
    https://github.com/privacyidea/privacyidea/blob/master/privacyidea/lib/config.py#L423 
       Oups, this looks like the only one. 
    
    Now it would be fully functional on an API level. 
    
    3. But you might also want to add some UI stuff. 
       The UI is angularJS and you would have to add a new config
    component 
       here 
    https://github.com/privacyidea/privacyidea/tree/master/privacyidea/static/components/config 
       Two states like 
        config.resolvers.addyourresolver 
        config.resolvers.edityourresolver 
       A view like 
         config.resolvers.yourresolver.html 
       and you might need to adapt one of the controllers or bring
    your own 
       controller. 
    
    Done. 
    
    But the question is, why you think, you need to do so. What
    Kerberos 
    implementation are you using? Verifying the password via the
    kerberos 
    protocol might be a bit difficult here. In which kind of
    backend is the 
    password stored? Or is a a flat file on your KDC? 
    
    Kind regards 
    Cornelius 
    
    Am Freitag, den 27.05.2016, 16:45 -0700 schrieb
    gfa...@soundhound.com: 
    > How easy/difficult is it to add a new resolver? 
    > We use LDAP for user information, but Kerberos for the
    password 
    > I would like to add a 'LDAP-Kerberos' resolver 
    > 
    > -- 
    > Please read the blog post about getting help 
    > https://www.privacyidea.org/getting-help/. 
    >   
    > For professional services and consultancy regarding two
    factor 
    > authentication please visit 
    > https://netknights.it/en/leistungen/one-time-services/ 
    >   
    > In an enterprise environment you should get a SERVICE LEVEL
    AGREEMENT 
    > which suites your needs for SECURITY, AVAILABILITY and
    LIABILITY: 
    >
    https://netknights.it/en/leistungen/service-level-agreements/ 
    > --- 
    > You received this message because you are subscribed to the
    Google 
    > Groups "privacyidea" group. 
    > To unsubscribe from this group and stop receiving emails
    from it, send 
    > an email to privacyidea...@googlegroups.com. 
    > To post to this group, send email to
    priva...@googlegroups.com. 
    > Visit this group at
    https://groups.google.com/group/privacyidea. 
    > To view this discussion on the web visit 
    >
    https://groups.google.com/d/msgid/privacyidea/603a9057-2465-4571-ad2a-696e098175aa%40googlegroups.com. 
    > For more options, visit https://groups.google.com/d/optout. 
    
    -- 
    Cornelius Kölbel 
    corneliu...@netknights.it 
    +49 151 2960 1417 
    
    NetKnights GmbH 
    http://www.netknights.it 
    Landgraf-Karl-Str. 19, 34131 Kassel, Germany 
    Tel: +49 561 3166797, Fax: +49 561 3166798 
    
    Amtsgericht Kassel, HRB 16405 
    Geschäftsführer: Cornelius Kölbel 


Please read the blog post about getting help
Getting help – privacyID3A.

For professional services and consultancy regarding two factor
authentication please visit
One Time Services - NetKnights - IT-Sicherheit - Zwei-Faktor-Authentisierung - Verschlüsselung

In an enterprise environment you should get a SERVICE LEVEL AGREEMENT
which suites your needs for SECURITY, AVAILABILITY and LIABILITY:
privacyIDEA Support Level

You received this message because you are subscribed to the Google
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For more options, visit https://groups.google.com/d/optout.


Cornelius Kölbel
@cornelinux
+49 151 2960 1417

NetKnights GmbH
http://www.netknights.it
Landgraf-Karl-Str. 19, 34131 Kassel, Germany
Tel: +49 561 3166797, Fax: +49 561 3166798

Amtsgericht Kassel, HRB 16405
Geschäftsführer: Cornelius Kölbel

signature.asc (836 Bytes)

gfaber@soundhound.com writes:

Copy
privacyIDEA/lib/python2.7/site-packages/privacyidea/lib/resolvers/LDAPIdResolver.py
to
privacyIDEA/lib/python2.7/site-packages/privacyidea/lib/resolvers/LDAP-KerberosIdResolver.py
and make the following changes:

Can you use “diff -u” to provide the diff? That’s much better readable,
because you also have some context for the changes.

Jochen–
The only problem with troubleshooting is that the trouble shoots back.

Thanks Jochen for pointing this out.

In addition I was trying to say, that you @Gabriel, first should think
about what your kerberos resolver should do.
And then you know
a) if it is a big deal and there is more effort to actually put into the
technical verification of the credentials or
b) it is no big deal and may it is easier to enhance the LDAP-resolver
or
c) …
d) …

It you are not defining tests (which I absolutely recommend), you should
run your chrome or firefox in developer mode (Ctrl-I). THen you can see
which data contains the request

POST /resolver

http://privacyidea.readthedocs.io/en/latest/modules/api/resolver.html#post--resolver-(resolver)

check if it contains the right resolver-type.

Kind regards
CorneliusAm Mittwoch, den 01.06.2016, 06:15 +0200 schrieb Jochen Hein:

gfaber@soundhound.com writes:

Copy
privacyIDEA/lib/python2.7/site-packages/privacyidea/lib/resolvers/LDAPIdResolver.py
to
privacyIDEA/lib/python2.7/site-packages/privacyidea/lib/resolvers/LDAP-KerberosIdResolver.py
and make the following changes:

Can you use “diff -u” to provide the diff? That’s much better readable,
because you also have some context for the changes.

Jochen


The only problem with troubleshooting is that the trouble shoots back.


Cornelius Kölbel
@cornelinux
+49 151 2960 1417

NetKnights GmbH
http://www.netknights.it
Landgraf-Karl-Str. 19, 34131 Kassel, Germany
Tel: +49 561 3166797, Fax: +49 561 3166798

Amtsgericht Kassel, HRB 16405
Geschäftsführer: Cornelius Kölbel

signature.asc (836 Bytes)

I wanted to start with a resolver with know functionality (LDAP), by just
copying it to a new name
After testing that it still supplies the original functionality, I would
have modified the ‘checkPass’ function for Kerberos authentication

Here are the requested 'diff -u’s—
privacyIDEA/lib/python2.7/site-packages/privacyidea/lib/resolvers/LDAPIdResolver.py
2016-05-18 10:46:04.000000000 -0700
+++
privacyIDEA/lib/python2.7/site-packages/privacyidea/lib/resolvers/LDAP-KerberosIdResolver.py
2016-05-27 13:43:27.267354778 -0700
@@ -424,7 +424,7 @@

 @staticmethod
 def getResolverClassType():
  •    return 'ldapresolver'
    
  •    return 'ldap-kerberosresolver'
    

    @staticmethod
    def getResolverDescriptor():
    @@ -552,7 +552,7 @@
    """
    descriptor = {}
    typ = cls.getResolverType()

  •    descriptor['clazz'] = "useridresolver.LDAPIdResolver.IdResolver"
    
  •    descriptor['clazz'] = 
    

"useridresolver.LDAP-KerberosIdResolver.IdResolver"
descriptor[‘config’] = {‘LDAPURI’: ‘string’,
‘LDAPBASE’: ‘string’,
‘BINDDN’: ‘string’,


privacyIDEA/lib/python2.7/site-packages/privacyidea/static/components/config/controllers/configControllers.js.orig
2016-05-18 10:46:04.000000000 -0700
+++
privacyIDEA/lib/python2.7/site-packages/privacyidea/static/components/config/controllers/configControllers.js
2016-05-19 11:33:35.528413238 -0700
@@ -494,7 +494,7 @@
};

 // TODO: This information needs to be fetched from the server
  • $scope.availableResolverTypes = [‘passwdresolver’, ‘ldapresolver’,
    ‘sqlresolver’, ‘scimresolver’];
  • $scope.availableResolverTypes = [‘passwdresolver’, ‘ldapresolver’,
    ‘sqlresolver’, ‘scimresolver’, ‘ldap-kerberosresolver’];
    // TODO: This information needs to be fetched from the server
    $scope.availableMachineResolverTypes = [‘hosts’, ‘ldap’];
    // TODO: This information needs to be fetched from the server
    @@ -835,6 +835,84 @@
    });
    }

  • $scope.presetAD = function () {

  •    $scope.params.LOGINNAMEATTRIBUTE = "sAMAccountName";
    
  •    $scope.params.LDAPSEARCHFILTER = 
    

“(sAMAccountName=*)(objectClass=person)”;

  •    $scope.params.LDAPFILTER = 
    

“(&(sAMAccountName=%s)(objectClass=person))”;

  •    $scope.params.USERINFO = '{ "username": "sAMAccountName", "phone" 
    

: “telephoneNumber”, “mobile” : “mobile”, “email” : “mail”, “surname” :
“sn”, “givenname” : “givenName” }’;

  •    $scope.params.NOREFERRALS = true;
    
  •    $scope.params.SIZELIMIT = 500;
    
  •    $scope.params.UIDTYPE = "objectGUID";
    
  •    $scope.params.AUTHTYPE = "Simple";
    
  •    $scope.params.SCOPE = "SUBTREE";
    
  • };
  • $scope.presetLDAP = function () {
  •    $scope.params.LOGINNAMEATTRIBUTE = "uid";
    
  •    $scope.params.LDAPSEARCHFILTER = 
    

“(uid=*)(objectClass=inetOrgPerson)”;

  •    $scope.params.LDAPFILTER = 
    

“(&(uid=%s)(objectClass=inetOrgPerson))”;

  •    $scope.params.USERINFO = '{ "username": "uid", "phone" : 
    

“telephoneNumber”, “mobile” : “mobile”, “email” : “mail”, “surname” : “sn”,
“givenname” : “givenName” }’;

  •    $scope.params.NOREFERRALS = true;
    
  •    $scope.params.SIZELIMIT = 500;
    
  •    $scope.params.UIDTYPE = "entryUUID";
    
  •    $scope.params.AUTHTYPE = "Simple";
    
  •    $scope.params.SCOPE = "SUBTREE";
    
  • };
  • $scope.setLDAPResolver = function () {
  •    ConfigFactory.setResolver($scope.resolvername, $scope.params, 
    

function (data) {

  •        $scope.set_result = data.result.value;
    
  •        $scope.getResolvers();
    
  •        $state.go("config.resolvers.list");
    
  •    });
    
  • };
  • $scope.testResolver = function () {
  •    ConfigFactory.testResolver($scope.params, function (data) {
    
  •        if (data.result.value === true) {
    
  •            inform.add(data.detail.description,
    
  •                {type: "success", ttl: 10000});
    
  •        } else {
    
  •            inform.add(data.detail.description,
    
  •                {type: "danger", ttl: 10000});
    
  •        }
    
  •    });
    
  • };
    +});

+myApp.controller(“Ldap-KerberosResolverController”, function ($scope,
ConfigFactory, $state,

  •                                                 $stateParams, inform,
    
  •                                                 gettextCatalog) {
    
  • /*
  • BINDDN, BINDPW, LDAPURI, TIMEOUT, LDAPBASE, LOGINNAMEATTRIBUTE,
    
  • LDAPSEARCHFILTER,
    
  • LDAPFILTER, USERINFO, SIZELIMIT, NOREFERRALS, CACERTIFICATE, AUTHTYPE
    
  • */
    
  • $scope.params = {
  •    SIZELIMIT: 500,
    
  •    TIMEOUT: 5,
    
  •    UIDTYPE: "DN",
    
  •    type: 'ldap-kerberosresolver',
    
  •    AUTHTYPE: "Simple",
    
  •    SCOPE: "SUBTREE"
    
  • };
  • $scope.result = {};
  • $scope.resolvername = $stateParams.resolvername;
  • $scope.authtypes = [“Simple”, “SASL Digest-MD5”, “NTLM”];
  • $scope.scopes = [“SUBTREE”, “BASE”, “LEVEL”];
  • if ($scope.resolvername) {
  •    /* If we have a resolvername, we do an Edit
    
  •     and we need to fill all the $scope.params */
    
  •    ConfigFactory.getResolver($scope.resolvername, function (data) {
    
  •        var resolver = data.result.value[$scope.resolvername];
    
  •        console.log(resolver);
    
  •        $scope.params = resolver.data;
    
  •        $scope.params.NOREFERRALS = ($scope.params.NOREFERRALS == "1");
    
  •        $scope.params.type = 'ldap-kerberosresolver';
    
  •    });
    
  • }
  • $scope.presetAD = function () {
    $scope.params.LOGINNAMEATTRIBUTE = “sAMAccountName”;
    $scope.params.LDAPSEARCHFILTER =
    "(sAMAccountName=*)(objectClass=person)";

privacyIDEA/lib/python2.7/site-packages/privacyidea/static/components/config/states/states.js.orig
2016-05-18 10:46:04.000000000 -0700
+++
privacyIDEA/lib/python2.7/site-packages/privacyidea/static/components/config/states/states.js
2016-05-31 14:05:48.028322964 -0700
@@ -61,6 +61,14 @@
url: “/ldap/{resolvername:.*}”,
templateUrl: configpath + “config.resolvers.ldap.html”
})

  •            .state('config.resolvers.addldap-kerberosresolver', {
    
  •                url: "/ldap",
    
  •                templateUrl: configpath + 
    

“config.resolvers.ldap-kerberos.html”

  •            })
    
  •            .state('config.resolvers.editldap-kerberosresolver', {
    
  •                url: "/ldap/{resolvername:.*}",
    
  •                templateUrl: configpath + 
    

“config.resolvers.ldap-kerberos.html”

  •            })
               .state('config.resolvers.addscimresolver', {
                   url: "/scim",
                   templateUrl: configpath + "config.resolvers.scim.html"
    

privacyIDEA/lib/python2.7/site-packages/privacyidea/static/components/config/views/config.resolvers.ldap.html
2016-05-18 10:46:04.000000000 -0700
+++
privacyIDEA/lib/python2.7/site-packages/privacyidea/static/components/config/views/config.resolvers.ldap-kerberos.html
2016-05-31 14:04:35.144274422 -0700
@@ -1,13 +1,13 @@
-


+

Edit LDAP Resolver {{ resolvername }}

+ translate>Edit LDAP-Kerberos Resolver {{ resolvername }}

Create a new LDAP Resolver

+ translate>Create a new LDAP-Kerberos Resolver

-<form name=“formResolverAddLdap” role=“form” validate
+

 <div class="form-group">

@@ -182,12 +182,12 @@

 <div class="text-center">
     <button ng-click="testResolver()"
  •            ng-disabled="formResolverAddLdap.$invalid"
    
  •            ng-disabled="formResolverAddLdapKerberos.$invalid"
               class="btn btn-success"
    
  •            translate>Test LDAP Resolver
    
  •            translate>Test LDAP-Kerberos Resolver
       </button>
    
  •    <button ng-click="setLDAPResolver()"
    
  •            ng-disabled="formResolverAddLdap.$invalid"
    
  •    <button ng-click="setLDAPKerberosResolver()"
    
  •            ng-disabled="formResolverAddLdapKerberos.$invalid"
               class="btn btn-primary"
               translate>Save resolver
       </button>
    

Thanks

Hello Gabriel,

thanks a lot.
Can you please take a look at the POST request, that creates your
resolver?
This takes ten seconds and then we know, If we need to take a look at
the UI or the backend.

THanks a lot
Cornelius

gfaber@soundhound.com:Am Donnerstag, den 02.06.2016, 13:35 -0700 schrieb

I wanted to start with a resolver with know functionality (LDAP), by
just copying it to a new name
After testing that it still supplies the original functionality, I
would have modified the ‘checkPass’ function for Kerberos
authentication

Here are the requested 'diff -u’s

privacyIDEA/lib/python2.7/site-packages/privacyidea/lib/resolvers/LDAPIdResolver.py 2016-05-18 10:46:04.000000000 -0700
+++
privacyIDEA/lib/python2.7/site-packages/privacyidea/lib/resolvers/LDAP-KerberosIdResolver.py 2016-05-27 13:43:27.267354778 -0700
@@ -424,7 +424,7 @@

 @staticmethod
 def getResolverClassType():
  •    return 'ldapresolver'
    
  •    return 'ldap-kerberosresolver'
    

    @staticmethod
    def getResolverDescriptor():
    @@ -552,7 +552,7 @@
    “”"
    descriptor = {}
    typ = cls.getResolverType()

  •    descriptor['clazz'] =
    

“useridresolver.LDAPIdResolver.IdResolver”

  •    descriptor['clazz'] =
    

“useridresolver.LDAP-KerberosIdResolver.IdResolver”
descriptor[‘config’] = {‘LDAPURI’: ‘string’,
‘LDAPBASE’: ‘string’,
‘BINDDN’: ‘string’,


privacyIDEA/lib/python2.7/site-packages/privacyidea/static/components/config/controllers/configControllers.js.orig 2016-05-18 10:46:04.000000000 -0700
+++
privacyIDEA/lib/python2.7/site-packages/privacyidea/static/components/config/controllers/configControllers.js 2016-05-19 11:33:35.528413238 -0700
@@ -494,7 +494,7 @@
};

 // TODO: This information needs to be fetched from the server
  • $scope.availableResolverTypes = [‘passwdresolver’,
    ‘ldapresolver’, ‘sqlresolver’, ‘scimresolver’];
  • $scope.availableResolverTypes = [‘passwdresolver’,
    ‘ldapresolver’, ‘sqlresolver’, ‘scimresolver’,
    ‘ldap-kerberosresolver’];
    // TODO: This information needs to be fetched from the server
    $scope.availableMachineResolverTypes = [‘hosts’, ‘ldap’];
    // TODO: This information needs to be fetched from the server
    @@ -835,6 +835,84 @@
    });
    }

  • $scope.presetAD = function () {

  •    $scope.params.LOGINNAMEATTRIBUTE = "sAMAccountName";
    
  •    $scope.params.LDAPSEARCHFILTER =
    

“(sAMAccountName=*)(objectClass=person)”;

  •    $scope.params.LDAPFILTER = "(&(sAMAccountName=%
    

s)(objectClass=person))";

  •    $scope.params.USERINFO = '{ "username": "sAMAccountName",
    

“phone” : “telephoneNumber”, “mobile” : “mobile”, “email” : “mail”,
“surname” : “sn”, “givenname” : “givenName” }';

  •    $scope.params.NOREFERRALS = true;
    
  •    $scope.params.SIZELIMIT = 500;
    
  •    $scope.params.UIDTYPE = "objectGUID";
    
  •    $scope.params.AUTHTYPE = "Simple";
    
  •    $scope.params.SCOPE = "SUBTREE";
    
  • };
  • $scope.presetLDAP = function () {
  •    $scope.params.LOGINNAMEATTRIBUTE = "uid";
    
  •    $scope.params.LDAPSEARCHFILTER =
    

“(uid=*)(objectClass=inetOrgPerson)”;

  •    $scope.params.LDAPFILTER = "(&(uid=%
    

s)(objectClass=inetOrgPerson))";

  •    $scope.params.USERINFO = '{ "username": "uid", "phone" :
    

“telephoneNumber”, “mobile” : “mobile”, “email” : “mail”, “surname” :
“sn”, “givenname” : “givenName” }';

  •    $scope.params.NOREFERRALS = true;
    
  •    $scope.params.SIZELIMIT = 500;
    
  •    $scope.params.UIDTYPE = "entryUUID";
    
  •    $scope.params.AUTHTYPE = "Simple";
    
  •    $scope.params.SCOPE = "SUBTREE";
    
  • };
  • $scope.setLDAPResolver = function () {
  •    ConfigFactory.setResolver($scope.resolvername, $scope.params,
    

function (data) {

  •        $scope.set_result = data.result.value;
    
  •        $scope.getResolvers();
    
  •        $state.go("config.resolvers.list");
    
  •    });
    
  • };
  • $scope.testResolver = function () {
  •    ConfigFactory.testResolver($scope.params, function (data) {
    
  •        if (data.result.value === true) {
    
  •            inform.add(data.detail.description,
    
  •                {type: "success", ttl: 10000});
    
  •        } else {
    
  •            inform.add(data.detail.description,
    
  •                {type: "danger", ttl: 10000});
    
  •        }
    
  •    });
    
  • };
    +});

+myApp.controller(“Ldap-KerberosResolverController”, function ($scope,
ConfigFactory, $state,

  •                                                 $stateParams,
    

inform,

  •                                                 gettextCatalog)
    

{

  • /*
  • BINDDN, BINDPW, LDAPURI, TIMEOUT, LDAPBASE, LOGINNAMEATTRIBUTE,
    
  • LDAPSEARCHFILTER,
    
  • LDAPFILTER, USERINFO, SIZELIMIT, NOREFERRALS, CACERTIFICATE,
    

AUTHTYPE

  • */
    
  • $scope.params = {
  •    SIZELIMIT: 500,
    
  •    TIMEOUT: 5,
    
  •    UIDTYPE: "DN",
    
  •    type: 'ldap-kerberosresolver',
    
  •    AUTHTYPE: "Simple",
    
  •    SCOPE: "SUBTREE"
    
  • };
  • $scope.result = {};
  • $scope.resolvername = $stateParams.resolvername;
  • $scope.authtypes = [“Simple”, “SASL Digest-MD5”, “NTLM”];
  • $scope.scopes = [“SUBTREE”, “BASE”, “LEVEL”];
  • if ($scope.resolvername) {
  •    /* If we have a resolvername, we do an Edit
    
  •     and we need to fill all the $scope.params */
    
  •    ConfigFactory.getResolver($scope.resolvername, function
    

(data) {

  •        var resolver = data.result.value[$scope.resolvername];
    
  •        console.log(resolver);
    
  •        $scope.params = resolver.data;
    
  •        $scope.params.NOREFERRALS = ($scope.params.NOREFERRALS ==
    

“1”);

  •        $scope.params.type = 'ldap-kerberosresolver';
    
  •    });
    
  • }
  • $scope.presetAD = function () {
    $scope.params.LOGINNAMEATTRIBUTE = “sAMAccountName”;
    $scope.params.LDAPSEARCHFILTER =
    “(sAMAccountName=*)(objectClass=person)”;

privacyIDEA/lib/python2.7/site-packages/privacyidea/static/components/config/states/states.js.orig 2016-05-18 10:46:04.000000000 -0700
+++
privacyIDEA/lib/python2.7/site-packages/privacyidea/static/components/config/states/states.js 2016-05-31 14:05:48.028322964 -0700
@@ -61,6 +61,14 @@
url: “/ldap/{resolvername:.*}”,
templateUrl: configpath +
“config.resolvers.ldap.html”
})

  •            .state('config.resolvers.addldap-kerberosresolver', {
    
  •                url: "/ldap",
    
  •                templateUrl: configpath +
    

“config.resolvers.ldap-kerberos.html”

  •            })
    
  •            .state('config.resolvers.editldap-kerberosresolver',
    

{

  •                url: "/ldap/{resolvername:.*}",
    
  •                templateUrl: configpath +
    

“config.resolvers.ldap-kerberos.html”

  •            })
               .state('config.resolvers.addscimresolver', {
                   url: "/scim",
                   templateUrl: configpath +
    

“config.resolvers.scim.html”


privacyIDEA/lib/python2.7/site-packages/privacyidea/static/components/config/views/config.resolvers.ldap.html 2016-05-18 10:46:04.000000000 -0700
+++
privacyIDEA/lib/python2.7/site-packages/privacyidea/static/components/config/views/config.resolvers.ldap-kerberos.html 2016-05-31 14:04:35.144274422 -0700
@@ -1,13 +1,13 @@
-


+

Edit LDAP Resolver {{ resolvername }}

+ translate>Edit LDAP-Kerberos Resolver {{ resolvername }}

Create a new LDAP Resolver

+ translate>Create a new LDAP-Kerberos Resolver

-<form name=“formResolverAddLdap” role=“form” validate
+

 <div class="form-group">

@@ -182,12 +182,12 @@

 <div class="text-center">
     <button ng-click="testResolver()"
  •            ng-disabled="formResolverAddLdap.$invalid"
    
  •            ng-disabled="formResolverAddLdapKerberos.$invalid"
               class="btn btn-success"
    
  •            translate>Test LDAP Resolver
    
  •            translate>Test LDAP-Kerberos Resolver
       </button>
    
  •    <button ng-click="setLDAPResolver()"
    
  •            ng-disabled="formResolverAddLdap.$invalid"
    
  •    <button ng-click="setLDAPKerberosResolver()"
    
  •            ng-disabled="formResolverAddLdapKerberos.$invalid"
               class="btn btn-primary"
               translate>Save resolver
       </button>
    

Thanks


Please read the blog post about getting help
Getting help – privacyID3A.

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authentication please visit
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Cornelius Kölbel
@cornelinux
+49 151 2960 1417

NetKnights GmbH
http://www.netknights.it
Landgraf-Karl-Str. 19, 34131 Kassel, Germany
Tel: +49 561 3166797, Fax: +49 561 3166798

Amtsgericht Kassel, HRB 16405
Geschäftsführer: Cornelius Kölbel

signature.asc (836 Bytes)

gfaber@soundhound.com writes:

I wanted to start with a resolver with know functionality (LDAP), by just
copying it to a new name
After testing that it still supplies the original functionality, I would
have modified the ‘checkPass’ function for Kerberos authentication

That seems to be a good idea.

privacyIDEA/lib/python2.7/site-packages/privacyidea/static/components/config/states/states.js.orig
2016-05-18 10:46:04.000000000 -0700
+++
privacyIDEA/lib/python2.7/site-packages/privacyidea/static/components/config/states/states.js
2016-05-31 14:05:48.028322964 -0700
@@ -61,6 +61,14 @@
url: “/ldap/{resolvername:.*}”,
templateUrl: configpath + “config.resolvers.ldap.html”
})

  •            .state('config.resolvers.addldap-kerberosresolver', {
    
  •                url: "/ldap",
    

Should that be “/ldap-kerberos”? I’m not sure, but it might be.

  •                templateUrl: configpath + 
    

“config.resolvers.ldap-kerberos.html”

  •            })
    
  •            .state('config.resolvers.editldap-kerberosresolver', {
    
  •                url: "/ldap/{resolvername:.*}",
    

And here too?

Jochen–
The only problem with troubleshooting is that the trouble shoots back.

Hello Gabriel, hello Jochen,

I added a skeleton for a kerberos resolver in its own branch. Please see
this commit:

The best way is to inherid the ldap resolver. One day, Gabrial you will
only have to add the checkPass method.

You might want to start to adapt this HTML template:

Then we need to add its own angular js controller and replace this one:

setLDAPResolver

you are welcome to isse some pull requests on this branch.

Kind regards
CorneliusAm Freitag, 3. Juni 2016 17:30:15 UTC+2 schrieb Jochen Hein:

gfaber@soundhound.com writes:

I wanted to start with a resolver with know functionality (LDAP), by
just
copying it to a new name
After testing that it still supplies the original functionality, I would
have modified the ‘checkPass’ function for Kerberos authentication

That seems to be a good idea.

privacyIDEA/lib/python2.7/site-packages/privacyidea/static/components/config/states/states.js.orig

2016-05-18 10:46:04.000000000 -0700
+++

privacyIDEA/lib/python2.7/site-packages/privacyidea/static/components/config/states/states.js

2016-05-31 14:05:48.028322964 -0700
@@ -61,6 +61,14 @@
url: “/ldap/{resolvername:.*}”,
templateUrl: configpath +
“config.resolvers.ldap.html”
})

  •            .state('config.resolvers.addldap-kerberosresolver', { 
    
  •                url: "/ldap", 
    

Should that be “/ldap-kerberos”? I’m not sure, but it might be.

  •                templateUrl: configpath + 
    

“config.resolvers.ldap-kerberos.html”

  •            }) 
    
  •            .state('config.resolvers.editldap-kerberosresolver', { 
    
  •                url: "/ldap/{resolvername:.*}", 
    

And here too?

Jochen


The only problem with troubleshooting is that the trouble shoots back.

Hi Cornelius,

Let me start by saying I’m not a Python programmer, so forgive if I ask
stupid questions
I installed the branch you created for me and that works fine
I created a ‘resolver’ of type 'kerberosresolver ', and a ‘Realm’ on top
of that
I created a token and can then use ‘radclient’ to authenticate
I created a ‘passthru’ ‘authentication’ policy and can use the (LDAP)
password to authenticate for a user with no token

Now I’m having trouble moving forward.
I added a ‘checkPass’ routine to KerberosIdResolver.py (the MELODIS.COM
is the Kerberos realm and will come from a configuration parameter in
the future):
def checkPass(self, uid, password):
"""
This function checks the password for a given uid.
- returns true in case of success
- false if password does not match

     """

     server_pool = self.get_serverpool(self.uri, self.timeout)
     password = to_utf8(password)
     service = "krbtgt/MELODIS.COM"
     realm = "MELODIS.COM"

     try:
         log.debug("(Kerberos) user    : %s" % bind_user)
         # Whatever happens. If we have an empty bind_user, we must 

break
# since we must avoid anonymous binds!
if not bind_user or len(bind_user) < 1:
raise Exception(“No valid user. Empty bind_user.”)
kerberos.checkPassword(bind_user,password,service,realm)
except kerberos.BasicAuthError, e:
log.warning(“failed to check password for %r/%r: %r”
% (uid, bind_user, e))
return False

     return True

I also added ‘import kerberos’ near the top

If I test with radclient, I get an error:
[root@privacyidea-kerberos.sca httpd]# echo “User-Name=dummy,
User-Password=######” | radclient -sx localhost auth testing123
Sending Access-Request Id 188 from 0.0.0.0:33957 to 127.0.0.1:1812
User-Name = 'dummy’
User-Password = '######'
Received Access-Reject Id 188 from 127.0.0.1:1812 to 127.0.0.1:33957
length 53
Reply-Message = ‘The user has no tokens assigned’
(0) -: Expected Access-Accept got Access-Reject
Packet summary:
Accepted : 0
Rejected : 1
Lost : 0
Passed filter : 0
Failed filter : 1

If I check the debug log (/var/log/privacyidea/privacyidea.log):
[2016-06-22
14:10:45,978][1910][139791492630272][DEBUG][privacyidea.lib.resolvers.LDAPIdResolver:145]
Authtype: Simple
[2016-06-22
14:10:45,978][1910][139791492630272][DEBUG][privacyidea.lib.resolvers.LDAPIdResolver:146]
user : uid=dummy,ou=People,dc=melodis,dc=com
[2016-06-22
14:10:45,980][1910][139791492630272][DEBUG][privacyidea.lib.resolvers.LDAPIdResolver:158]
bind result: False
[2016-06-22
14:10:45,980][1910][139791492630272][WARNING][privacyidea.lib.resolvers.LDAPIdResolver:165]
failed to check password for
u’f53c17ba-c90c-1035-9c35-7f8e6b5cf1e4’/‘uid=dummy,ou=People,dc=melodis,dc=com’:
Exception(‘Wrong credentials’,)
[2016-06-22
14:10:45,981][1910][139791492630272][INFO][privacyidea.lib.user:339]
user User(login=u’dummy’, realm=u’kerberos’, resolver=u’LDAP_Kerberos’)
failed to authenticate.
[2016-06-22
14:10:45,981][1910][139791492630272][DEBUG][privacyidea.lib.user:184]
Exiting check_password with result None

I see that it’s still calling the checkPass routine in
LDAPIdResolver.py, which has:
log.debug(“Authtype: {0!s}”.format(self.authtype))
log.debug(“user : {0!s}”.format(bind_user))
where my new routine has:
log.debug("(Kerberos) user : %s" % bind_user)

Any help appreciated,

Gabriel–
Gabriel Faber
Senior Operations Engineer
SoundHound Inc.
408-441-3267

My colleague was smart enough to suggest restarting Apache and that solves
one problem:
[2016-06-23
10:55:51,499][7380][140457286936320][ERROR][privacyidea.lib.resolver:329]
Can not find resolver with name LDAP_Kerberos
[2016-06-23
10:55:51,499][7380][140457286936320][DEBUG][privacyidea.lib.resolver:184]
Exiting get_resolver_object with result None
[2016-06-23
10:55:51,499][7380][140457286936320][INFO][privacyidea.lib.user:182]
Resolver u’LDAP_Kerberos’ not found!

Continuing my efforts

Hi Cornelius,

As far as I can tell, I got it working
I modified KerberosIdResolver.py and config.resolvers.kerberos.html (I
attached both of them)
From the browser
(https://gfaber-privacyidea-kerberos.sca.melodis.com/validate/check?user=dummy&pass=XXXXXX):

{“jsonrpc”: “2.0”, “signature”: “[Snip]”, “detail”: {“message”: “The user authenticated against his userstore according to policy ‘LDAP_Kerberos_passthru’.”}, “versionnumber”: “2.13dev0”, “version”: “privacyIDEA 2.13dev0”, “result”: {“status”: true, “value”: true}, “time”: 1466720792.657061, “id”: 1}

And with Radius:
[root@privacyidea-kerberos.sca privacyIDEA-kerberos]# echo
“User-Name=dummy, User-Password=XXXXXX” | radclient -sx localhost auth
testing123
Sending Access-Request Id 229 from 0.0.0.0:35611 to 127.0.0.1:1812
User-Name = ‘dummy’
User-Password = ‘XXXXXX’
Received Access-Accept Id 229 from 127.0.0.1:1812 to 127.0.0.1:35611 length
20
Packet summary:
Accepted : 1
Rejected : 0
Lost : 0
Passed filter : 1
Failed filter : 0

If I assign a token, it still works:
https://gfaber-privacyidea-kerberos.sca.melodis.com/validate/check?user=dummy&pass=0000385229

{“jsonrpc”: “2.0”, “signature”: “[Snip]”, “detail”: {“message”: “matching 1 tokens”, “type”: “totp”, “serial”: “TOTP000063E8”}, “versionnumber”: “2.13dev0”, “version”: “privacyIDEA 2.13dev0”, “result”: {“status”: true, “value”: true}, “time”: 1466721577.190234, “id”: 1}

And Radius:
[root@privacyidea-kerberos.sca privacyIDEA-kerberos]# echo
“User-Name=dummy, User-Password=0000285354” | radclient -sx localhost auth
testing123
Sending Access-Request Id 230 from 0.0.0.0:54407 to 127.0.0.1:1812
User-Name = ‘dummy’
User-Password = ‘0000285354’
Received Access-Accept Id 230 from 127.0.0.1:1812 to 127.0.0.1:54407 length
20
Packet summary:
Accepted : 1
Rejected : 0
Lost : 0
Passed filter : 1
Failed filter : 0

I am not sure what you mean by “Then we need to add its own angular js
controller and replace this one: setLDAPResolver”

Regards,

Gabriel

config.resolvers.kerberos.html.gz (1.66 KB)

KerberosIdResolver.py.gz (1.51 KB)

Hi Cornelius,

I do not have the code at github.(I have not used github before). I’ve
attached the only file I’ve changed

As for ‘GUID or UUID’, I used the standard ‘Preset OpenLDAP’, but
‘objectClass=account’ instead of ‘objectClass=inetOrgPerson’

If I do ‘validate’ in my browser, I get:

{“jsonrpc”: “2.0”, “signature”: “3950417441791693604767928663283836051969466621902002007276767444723223890502807901319765066552020666596744777437276917014225347629822376032131880095131557153565551396693225310072459366432315266767168592149106767325799042005516053040322203606786349050391254873576072259618177305957325846130191519331797770229962754242695274624943494473141034142272407862935445218714272737570409992715097155824581098913178930687989658557569120116445198713784106528070089114206305225208287377027094097094691057534179247329367150660143254229733656132445906261731022565852184985098829774365780211310331592368949148441767497167176048049117”, “detail”: {“message”: “The user has no tokens assigned”}, “versionnumber”: “2.13dev0”, “version”: “privacyIDEA 2.13dev0”, “result”: {“status”: true, “value”: false}, “time”: 1466697735.327017, “id”: 1}

From the log file:
[2016-06-23
09:13:52,011][1910][139791501022976][DEBUG][privacyidea.lib.config:571]
using the module list: set([‘privacyidea.lib.resolvers.SQLIdResolver’,
‘privacyidea.lib.resolvers.LDAPIdResolver’,
‘privacyidea.lib.resolvers.KerberosIdResolver’,
‘privacyidea.lib.resolvers.PasswdIdResolver’,
‘privacyidea.lib.resolvers.SCIMIdResolver’,
‘privacyidea.lib.resolvers.UserIdResolver’])
[2016-06-23
09:13:52,011][1910][139791501022976][DEBUG][privacyidea.lib.config:579]
import module: privacyidea.lib.resolvers.SQLIdResolver
[2016-06-23
09:13:52,011][1910][139791501022976][DEBUG][privacyidea.lib.config:579]
import module: privacyidea.lib.resolvers.LDAPIdResolver
[2016-06-23
09:13:52,011][1910][139791501022976][DEBUG][privacyidea.lib.config:579]
import module: privacyidea.lib.resolvers.KerberosIdResolver
[2016-06-23
09:13:52,011][1910][139791501022976][DEBUG][privacyidea.lib.config:579]
import module: privacyidea.lib.resolvers.PasswdIdResolver
[2016-06-23
09:13:52,011][1910][139791501022976][DEBUG][privacyidea.lib.config:579]
import module: privacyidea.lib.resolvers.SCIMIdResolver
[2016-06-23
09:13:52,011][1910][139791501022976][DEBUG][privacyidea.lib.config:579]
import module: privacyidea.lib.resolvers.UserIdResolver
[2016-06-23
09:13:52,012][1910][139791501022976][DEBUG][privacyidea.lib.config:388]
module: <module ‘privacyidea.lib.resolvers.SQLIdResolver’ from
‘/opt/privacyIDEA-kerberos/lib/python2.7/site-packages/privacyidea/lib/resolvers/SQLIdResolver.pyc’>
[2016-06-23
09:13:52,012][1910][139791501022976][DEBUG][privacyidea.lib.config:388]
module: <module ‘privacyidea.lib.resolvers.LDAPIdResolver’ from
‘/opt/privacyIDEA-kerberos/lib/python2.7/site-packages/privacyidea/lib/resolvers/LDAPIdResolver.pyc’>
[2016-06-23
09:13:52,012][1910][139791501022976][DEBUG][privacyidea.lib.config:388]
module: <module ‘privacyidea.lib.resolvers.KerberosIdResolver’ from
‘/opt/privacyIDEA-kerberos/lib/python2.7/site-packages/privacyidea/lib/resolvers/KerberosIdResolver.pyc’>
[2016-06-23
09:13:52,012][1910][139791501022976][DEBUG][privacyidea.lib.config:388]
module: <module ‘privacyidea.lib.resolvers.PasswdIdResolver’ from
‘/opt/privacyIDEA-kerberos/lib/python2.7/site-packages/privacyidea/lib/resolvers/PasswdIdResolver.pyc’>
[2016-06-23
09:13:52,012][1910][139791501022976][DEBUG][privacyidea.lib.config:388]
module: <module ‘privacyidea.lib.resolvers.SCIMIdResolver’ from
‘/opt/privacyIDEA-kerberos/lib/python2.7/site-packages/privacyidea/lib/resolvers/SCIMIdResolver.pyc’>
[2016-06-23
09:13:52,012][1910][139791501022976][DEBUG][privacyidea.lib.config:388]
module: <module ‘privacyidea.lib.resolvers.UserIdResolver’ from
‘/opt/privacyIDEA-kerberos/lib/python2.7/site-packages/privacyidea/lib/resolvers/UserIdResolver.pyc’>
[2016-06-23
09:13:52,012][1910][139791501022976][DEBUG][privacyidea.lib.resolver:172]
Entering get_resolver_config with arguments (u’LDAP_Kerberos’,) and
keywords {}
[2016-06-23
09:13:52,013][1910][139791501022976][DEBUG][privacyidea.lib.resolver:172]
Entering get_resolver_list with arguments () and keywords
{‘filter_resolver_name’: u’LDAP_Kerberos’}
[2016-06-23
09:13:52,018][1910][139791501022976][DEBUG][privacyidea.lib.crypto:172]
Entering decryptPassword with arguments
(u’0398be624f80f5a7c53b8181eee0f44d:41f08cce12cb2bd47e9ec01cf8510980’,) and
keywords {}
[2016-06-23
09:13:52,018][1910][139791501022976][DEBUG][privacyidea.lib.crypto:186]
Exiting decryptPassword with result HIDDEN
[2016-06-23
09:13:52,018][1910][139791501022976][DEBUG][privacyidea.lib.resolver:186]
Exiting get_resolver_list with result HIDDEN
[2016-06-23
09:13:52,018][1910][139791501022976][DEBUG][privacyidea.lib.resolver:186]
Exiting get_resolver_config with result HIDDEN
[2016-06-23
09:13:52,021][1910][139791501022976][DEBUG][privacyidea.lib.resolver:184]
Exiting get_resolver_object with result
<privacyidea.lib.resolvers.KerberosIdResolver.IdResolver object at
0x7f23b42f5090>
[2016-06-23
09:13:52,022][1910][139791501022976][DEBUG][privacyidea.lib.resolvers.LDAPIdResolver:563]
Added ldap1.sca.melodis.com, None, False to server pool.
[2016-06-23
09:13:52,029][1910][139791501022976][DEBUG][privacyidea.lib.resolvers.LDAPIdResolver:563]
Added ldap1.sca.melodis.com, None, False to server pool.
[2016-06-23
09:13:52,035][1910][139791501022976][DEBUG][privacyidea.lib.resolvers.LDAPIdResolver:563]
Added ldap1.sca.melodis.com, None, False to server pool.
[2016-06-23
09:13:52,035][1910][139791501022976][DEBUG][privacyidea.lib.resolvers.LDAPIdResolver:145]
Authtype: Simple
[2016-06-23
09:13:52,036][1910][139791501022976][DEBUG][privacyidea.lib.resolvers.LDAPIdResolver:146]
user : uid=dummy,ou=People,dc=melodis,dc=com
[2016-06-23
09:13:52,038][1910][139791501022976][DEBUG][privacyidea.lib.resolvers.LDAPIdResolver:158]
bind result: False
[2016-06-23
09:13:52,038][1910][139791501022976][WARNING][privacyidea.lib.resolvers.LDAPIdResolver:165]
failed to check password for
u’f53c17ba-c90c-1035-9c35-7f8e6b5cf1e4’/‘uid=dummy,ou=People,dc=melodis,dc=com’:
Exception(‘Wrong credentials’,)
[2016-06-23
09:13:52,038][1910][139791501022976][INFO][privacyidea.lib.user:339] user
User(login=u’dummy’, realm=u’kerberos’, resolver=u’LDAP_Kerberos’) failed
to authenticate.

This line:
[2016-06-23
09:13:52,021][1910][139791501022976][DEBUG][privacyidea.lib.resolver:184]
Exiting get_resolver_object with result
<privacyidea.lib.resolvers.KerberosIdResolver.IdResolver object at
0x7f23b42f5090>
seems to tell me it found the right resolver

To make sure it’s actually reading the KerberosIdResolver file, I renamed
it (and the .pyc file):
./lib/python2.7/site-packages/privacyidea/lib/resolvers/KerberosIdResolver.pyc.no
./lib/python2.7/site-packages/privacyidea/lib/resolvers/KerberosIdResolver.py.no
and tested again
The log file shows no errors:
[2016-06-23
10:22:58,480][1910][139791534593792][DEBUG][privacyidea.lib.config:184]
Exiting get_resolver_list with result
set([‘privacyidea.lib.resolvers.SQLIdResolver’,
‘privacyidea.lib.resolvers.LDAPIdResolver’,
‘privacyidea.lib.resolvers.KerberosIdResolver’,
‘privacyidea.lib.resolvers.PasswdIdResolver’,
‘privacyidea.lib.resolvers.SCIMIdResolver’,
‘privacyidea.lib.resolvers.UserIdResolver’])
[2016-06-23
10:22:58,480][1910][139791534593792][DEBUG][privacyidea.lib.config:571]
using the module list: set([‘privacyidea.lib.resolvers.SQLIdResolver’,
‘privacyidea.lib.resolvers.LDAPIdResolver’,
‘privacyidea.lib.resolvers.KerberosIdResolver’,
‘privacyidea.lib.resolvers.PasswdIdResolver’,
‘privacyidea.lib.resolvers.SCIMIdResolver’,
‘privacyidea.lib.resolvers.UserIdResolver’])
[2016-06-23
10:22:58,480][1910][139791534593792][DEBUG][privacyidea.lib.config:579]
import module: privacyidea.lib.resolvers.SQLIdResolver
[2016-06-23
10:22:58,480][1910][139791534593792][DEBUG][privacyidea.lib.config:579]
import module: privacyidea.lib.resolvers.LDAPIdResolver
[2016-06-23
10:22:58,480][1910][139791534593792][DEBUG][privacyidea.lib.config:579]
import module: privacyidea.lib.resolvers.KerberosIdResolver
[2016-06-23
10:22:58,480][1910][139791534593792][DEBUG][privacyidea.lib.config:579]
import module: privacyidea.lib.resolvers.PasswdIdResolver
[2016-06-23
10:22:58,480][1910][139791534593792][DEBUG][privacyidea.lib.config:579]
import module: privacyidea.lib.resolvers.SCIMIdResolver
[2016-06-23
10:22:58,480][1910][139791534593792][DEBUG][privacyidea.lib.config:579]
import module: privacyidea.lib.resolvers.UserIdResolver
[2016-06-23
10:22:58,480][1910][139791534593792][DEBUG][privacyidea.lib.config:388]
module: <module ‘privacyidea.lib.resolvers.SQLIdResolver’ from
‘/opt/privacyIDEA-kerberos/lib/python2.7/site-packages/privacyidea/lib/resolvers/SQLIdResolver.pyc’>
[2016-06-23
10:22:58,481][1910][139791534593792][DEBUG][privacyidea.lib.config:388]
module: <module ‘privacyidea.lib.resolvers.LDAPIdResolver’ from
‘/opt/privacyIDEA-kerberos/lib/python2.7/site-packages/privacyidea/lib/resolvers/LDAPIdResolver.pyc’>
[2016-06-23
10:22:58,481][1910][139791534593792][DEBUG][privacyidea.lib.config:388]
module: <module ‘privacyidea.lib.resolvers.KerberosIdResolver’ from
‘/opt/privacyIDEA-kerberos/lib/python2.7/site-packages/privacyidea/lib/resolvers/KerberosIdResolver.pyc’>
[2016-06-23
10:22:58,481][1910][139791534593792][DEBUG][privacyidea.lib.config:388]
module: <module ‘privacyidea.lib.resolvers.PasswdIdResolver’ from
‘/opt/privacyIDEA-kerberos/lib/python2.7/site-packages/privacyidea/lib/resolvers/PasswdIdResolver.pyc’>
[2016-06-23
10:22:58,481][1910][139791534593792][DEBUG][privacyidea.lib.config:388]
module: <module ‘privacyidea.lib.resolvers.SCIMIdResolver’ from
‘/opt/privacyIDEA-kerberos/lib/python2.7/site-packages/privacyidea/lib/resolvers/SCIMIdResolver.pyc’>
[2016-06-23
10:22:58,481][1910][139791534593792][DEBUG][privacyidea.lib.config:388]
module: <module ‘privacyidea.lib.resolvers.UserIdResolver’ from
‘/opt/privacyIDEA-kerberos/lib/python2.7/site-packages/privacyidea/lib/resolvers/UserIdResolver.pyc’>
[2016-06-23
10:22:58,481][1910][139791534593792][DEBUG][privacyidea.lib.resolver:172]
Entering get_resolver_config with arguments (u’LDAP_Kerberos’,) and
keywords {}
[2016-06-23
10:22:58,482][1910][139791534593792][DEBUG][privacyidea.lib.resolver:172]
Entering get_resolver_list with arguments () and keywords
{‘filter_resolver_name’: u’LDAP_Kerberos’}
[2016-06-23
10:22:58,486][1910][139791534593792][DEBUG][privacyidea.lib.crypto:172]
Entering decryptPassword with arguments
(u’0398be624f80f5a7c53b8181eee0f44d:41f08cce12cb2bd47e9ec01cf8510980’,) and
keywords {}

This really confuses me

Gabriel

KerberosIdResolver.py.gz (1.5 KB)

Hi Gabriel,

do you have the code somewhere at github?

  1. please do not use RADIUS for testing. This adds an extra layer of
    complexity, we do not want.
    You can use the REST API /validate/check like
    https://yourserver/validate/check?user=dummy?pass=static123456

  2. These lines also indicate, that the LDAP resolver is used:
    [2016-06-22

14:10:45,978][1910][139791492630272][DEBUG][privacyidea.lib.resolvers.LDAPIdResolver:145]

  1. look at this:

14:10:45,980][1910][139791492630272][WARNING][privacyidea.lib.resolvers.LDAPIdResolver:165]

failed to check password for

u’f53c17ba-c90c-1035-9c35-7f8e6b5cf1e4’/‘uid=dummy,ou=People,dc=melodis,dc=com’:

Exception(‘Wrong credentials’,)
[2016-06-22
14:10:45,981][1910][139791492630272][INFO][privacyidea.lib.user:339]
user User(login=u’dummy’, realm=u’kerberos’,
resolver=u’LDAP_Kerberos’)
failed to authenticate.

Are you using GUID or UUID? Please use DN as uid type, this will
simplify things!
(Do not add extra layers of complexity)

Kind regards
CorneliusAm Mittwoch, den 22.06.2016, 14:16 -0700 schrieb Gabriel Faber:

Hi Cornelius,

Let me start by saying I’m not a Python programmer, so forgive if I ask
stupid questions
I installed the branch you created for me and that works fine
I created a ‘resolver’ of type 'kerberosresolver ', and a ‘Realm’ on top
of that
I created a token and can then use ‘radclient’ to authenticate
I created a ‘passthru’ ‘authentication’ policy and can use the (LDAP)
password to authenticate for a user with no token

Now I’m having trouble moving forward.
I added a ‘checkPass’ routine to KerberosIdResolver.py (the MELODIS.COM
is the Kerberos realm and will come from a configuration parameter in
the future):
def checkPass(self, uid, password):
“”"
This function checks the password for a given uid.
- returns true in case of success
- false if password does not match

     """

     server_pool = self.get_serverpool(self.uri, self.timeout)
     password = to_utf8(password)
     service = "krbtgt/MELODIS.COM"
     realm = "MELODIS.COM"

     try:
         log.debug("(Kerberos) user    : %s" % bind_user)
         # Whatever happens. If we have an empty bind_user, we must 

break
# since we must avoid anonymous binds!
if not bind_user or len(bind_user) < 1:
raise Exception(“No valid user. Empty bind_user.”)
kerberos.checkPassword(bind_user,password,service,realm)
except kerberos.BasicAuthError, e:
log.warning(“failed to check password for %r/%r: %r”
% (uid, bind_user, e))
return False

     return True

I also added ‘import kerberos’ near the top

If I test with radclient, I get an error:
[root@privacyidea-kerberos.sca httpd]# echo “User-Name=dummy,
User-Password=######” | radclient -sx localhost auth testing123
Sending Access-Request Id 188 from 0.0.0.0:33957 to 127.0.0.1:1812
User-Name = ‘dummy’
User-Password = ‘######’
Received Access-Reject Id 188 from 127.0.0.1:1812 to 127.0.0.1:33957
length 53
Reply-Message = ‘The user has no tokens assigned’
(0) -: Expected Access-Accept got Access-Reject
Packet summary:
Accepted : 0
Rejected : 1
Lost : 0
Passed filter : 0
Failed filter : 1

If I check the debug log (/var/log/privacyidea/privacyidea.log):
[2016-06-22
14:10:45,978][1910][139791492630272][DEBUG][privacyidea.lib.resolvers.LDAPIdResolver:145]
Authtype: Simple
[2016-06-22
14:10:45,978][1910][139791492630272][DEBUG][privacyidea.lib.resolvers.LDAPIdResolver:146]
user : uid=dummy,ou=People,dc=melodis,dc=com
[2016-06-22
14:10:45,980][1910][139791492630272][DEBUG][privacyidea.lib.resolvers.LDAPIdResolver:158]
bind result: False
[2016-06-22
14:10:45,980][1910][139791492630272][WARNING][privacyidea.lib.resolvers.LDAPIdResolver:165]
failed to check password for
u’f53c17ba-c90c-1035-9c35-7f8e6b5cf1e4’/‘uid=dummy,ou=People,dc=melodis,dc=com’:
Exception(‘Wrong credentials’,)
[2016-06-22
14:10:45,981][1910][139791492630272][INFO][privacyidea.lib.user:339]
user User(login=u’dummy’, realm=u’kerberos’, resolver=u’LDAP_Kerberos’)
failed to authenticate.
[2016-06-22
14:10:45,981][1910][139791492630272][DEBUG][privacyidea.lib.user:184]
Exiting check_password with result None

I see that it’s still calling the checkPass routine in
LDAPIdResolver.py, which has:
log.debug(“Authtype: {0!s}”.format(self.authtype))
log.debug(“user : {0!s}”.format(bind_user))
where my new routine has:
log.debug(“(Kerberos) user : %s” % bind_user)

Any help appreciated,

Gabriel


Gabriel Faber
Senior Operations Engineer
SoundHound Inc.
408-441-3267


Cornelius Kölbel
@cornelinux
+49 151 2960 1417

NetKnights GmbH
http://www.netknights.it
Landgraf-Karl-Str. 19, 34131 Kassel, Germany
Tel: +49 561 3166797, Fax: +49 561 3166798

Amtsgericht Kassel, HRB 16405
Geschäftsführer: Cornelius Kölbel

signature.asc (836 Bytes)

Hi Gabriel,

very cool.

The javascript setLDAPResolver saves the LDAP resolver to the database.
Usually we would have to have another function, that saves a
Kerberos-Resolver. But we avoided this by forcing the resolver type in
the html code.

    <button ng-click="params.type='kerberosresolver';

setLDAPResolver()"
ng-disabled=“formResolverAddLdap.$invalid”
class=“btn btn-primary”
translate>Save resolver

But I have a basic question.
I fact your users are sill located in the LDAP, aren’t they?
The only difference to the LDAP-Resolver is the verification of the
password. We inherited the LDAP-Resolver to define a Kerberos-Resolver.

Which kerberos package are you using? At the moment I am not sure, if
this is a good idea to verify the password. Please read this:

https://www.calendarserver.org/ticket/833

Anyway: The Kerberos-Resolver still resolves to LDAP, i.e. the users are
found in ldap, the loginname of the user resolves to an LDAP object -
isn’t it?

Only the verification of the password differs.
So I think in my opinion it might make more sense to check if we can
enhance the existing LDAP-Resolver and choose within the LDAP-Resolver
the type of password verification being/ Bind type.

At the moment this is:

  • simple
  • NTLM
  • SASL Digest MD5

Could we add

  • SASL Kerberos?

This we could use SASL of the ldap3 module, which is already used
anyway.
http://ldap3.readthedocs.io/bind.html#sasl
http://ldap3.readthedocs.io/bind.html#kerberos
This would reduce code and complexity for the administrator.
What do you think?

Kind regards
Cornelius

gfaber@soundhound.com:Am Donnerstag, den 23.06.2016, 15:43 -0700 schrieb

Hi Cornelius,

As far as I can tell, I got it working
I modified KerberosIdResolver.py and config.resolvers.kerberos.html (I
attached both of them)
From the browser
(https://gfaber-privacyidea-kerberos.sca.melodis.com/validate/check?user=dummy&pass=XXXXXX):
{“jsonrpc”: “2.0”, “signature”: “[Snip]”, “detail”: {“message”: “The user authenticated against his userstore according to policy ‘LDAP_Kerberos_passthru’.”}, “versionnumber”: “2.13dev0”, “version”: “privacyIDEA 2.13dev0”, “result”: {“status”: true, “value”: true}, “time”: 1466720792.657061, “id”: 1}

And with Radius:
[root@privacyidea-kerberos.sca privacyIDEA-kerberos]# echo
“User-Name=dummy, User-Password=XXXXXX” | radclient -sx localhost auth
testing123
Sending Access-Request Id 229 from 0.0.0.0:35611 to 127.0.0.1:1812
User-Name = ‘dummy’
User-Password = ‘XXXXXX’
Received Access-Accept Id 229 from 127.0.0.1:1812 to 127.0.0.1:35611
length 20
Packet summary:
Accepted : 1
Rejected : 0
Lost : 0
Passed filter : 1
Failed filter : 0

If I assign a token, it still works:
https://gfaber-privacyidea-kerberos.sca.melodis.com/validate/check?user=dummy&pass=0000385229
{“jsonrpc”: “2.0”, “signature”: “[Snip]”, “detail”: {“message”: “matching 1 tokens”, “type”: “totp”, “serial”: “TOTP000063E8”}, “versionnumber”: “2.13dev0”, “version”: “privacyIDEA 2.13dev0”, “result”: {“status”: true, “value”: true}, “time”: 1466721577.190234, “id”: 1}

And Radius:
[root@privacyidea-kerberos.sca privacyIDEA-kerberos]# echo
“User-Name=dummy, User-Password=0000285354” | radclient -sx localhost
auth testing123
Sending Access-Request Id 230 from 0.0.0.0:54407 to 127.0.0.1:1812
User-Name = ‘dummy’
User-Password = ‘0000285354’
Received Access-Accept Id 230 from 127.0.0.1:1812 to 127.0.0.1:54407
length 20
Packet summary:
Accepted : 1
Rejected : 0
Lost : 0
Passed filter : 1
Failed filter : 0

I am not sure what you mean by “Then we need to add its own angular js
controller and replace this one: setLDAPResolver”

Regards,

Gabriel


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Cornelius Kölbel
@cornelinux
+49 151 2960 1417

NetKnights GmbH
http://www.netknights.it
Landgraf-Karl-Str. 19, 34131 Kassel, Germany
Tel: +49 561 3166797, Fax: +49 561 3166798

Amtsgericht Kassel, HRB 16405
Geschäftsführer: Cornelius Kölbel

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We use Kerberos because our main (network) file system is AFS
Kerberos is authentication only. It has no provisions for UID/GID/home
directory etc, so LDAP provides that to PAM

We’re using MIT Kerberos (on CentOS)

Thanks for pointing out the insecurity. It doesn’t worry me too much, as
our Kerberos infrastructure is totally internal (I.e. we control both ends
of the connection)

As far as I can tell, ‘SASL Kerberos’ will authenticate to the LDAP server
with Kerberos, which we don’t need currently. As there are no secrets in
LDAP, we allow anonymous bind
I think it might make sense as an add-on to LDAP, not as a replacement for
KerberosIdResolver

Gabriel>