[rt-users] RT ExternalAuth LDAP and Adding Local users in 3.8.2
Cassandra L. Brockett
cbrockett at barracuda.com
Thu Jun 4 19:21:40 EDT 2009
Sorry, always something coming up, finally got around to my email today... only 9 hours late :)
Unfortunately, my "solution" is one that really only works in larger-IT organizations... I had one of my helpdesk people sit down and manually fix all the db entries for multiple users... I saw a message regarding a plugin for RT, and that would probably have been a better idea :)
In terms of the watcher situation, the account is created correctly for us, but the display name is the username unless the user has rights in RT. We did have it not creating correctly originally, but with the new system and the new ExternalAuth version, I re-configured the LDAP query, so it's likely the new one we use works right for us... we're AD backed here, so just in case, here's a RT_SiteConfig.pm snippet for you:-
# The filter to use to match RT-Users
'filter' => '(&(objectClass=User)(objectCategory=Person))',
# The filter that will only match disabled users
'd_filter' => '(&(objectClass=User)(objectCategory=Person)(userAccountControl:1.2.840.113556.1.4.803:=2))',
# Should we try to use TLS to encrypt connections?
'tls' => 0,
# What other args should I pass to Net::LDAP->new($host, at args)?
'net_ldap_args' => [ version => 3 ],
# Does authentication depend on group membership? What group name?
#'group' => 'GROUP_NAME',
# What is the attribute for the group object that determines membership?
#'group_attr' => 'GROUP_ATTR',
## RT ATTRIBUTE MATCHING SECTION
# The list of RT attributes that uniquely identify a user
#'attr_match_list' => [ 'Name',
# 'EmailAddress',
# 'RealName',
# 'WorkPhone',
# 'Address2'
# ],
'attr_match_list' => [ 'Name',
'EmailAddress',
],
# The mapping of RT attributes on to LDAP attributes
'attr_map' => { 'Name' => 'sAMAccountName',
'EmailAddress' => 'mail',
'Organization' => 'physicalDeliveryOfficeName',
'RealName' => 'cn',
'ExternalAuthId' => 'sAMAccountName',
'Gecos' => 'sAMAccountName',
'WorkPhone' => 'telephoneNumber',
'Address1' => 'streetAddress',
'City' => 'l',
'State' => 'st',
'Zip' => 'postalCode',
'Country' => 'co'
}
}
I've also included the section for enabled/disabled users as it took me a while to get that working as we wanted... I just haven't had the time to put it in the RT wiki, maybe someone else will be nice and include it for me :)
The above was worked out over a few weeks to work perfectly for our environment, so YMMV, but I suspect it should handle any standard AD "ldap" :)
--
Cass
From: Ken Crocker [mailto:kfcrocker at lbl.gov]
Sent: Thursday, June 04, 2009 9:24 AM
To: Cassandra L. Brockett
Cc: 'Susan McClure'; rt-users at lists.bestpractical.com
Subject: Re: [rt-users] RT ExternalAuth LDAP and Adding Local users in 3.8.2
Cass,
You mentioned in your response that when you went to 3.8 you had trouble with multiple users of the same email address. I have a similar problem.
I am on 3.6.4 and have a bunch of users out there with the email address as the User Name due to them being added automatically as watchers. When they sign on (Using LDAP) at a later date, they get a new UserID, correct name, SAME Email address. Now I have 2 id's for the same user. I want to clean that mess up before I upgrade to 3.8.
So, how did you go about cleaning up the mess?
Also, do you have any suggestions on how to config my RT so that when a User is added automatically as a watcher, RT will create a real User Name and NOT use the Email address? Thanks.
Kenn
LBNL
On 6/3/2009 3:06 PM, Cassandra L. Brockett wrote:
((Apologies for top-posting, but it's just easier at the moment for me to use outlook to send email))
I can answer a few of your questsions:-
1) Users with multiple email addresses on our system become one single user, the LDAP query finds the one user responsible for the email address, and just link the submitted ticket to the correct ID.
2) You cannot have multiple RT accounts with the same email address in the system, we had a lot of cleanup when we migrated to 3.8.2 from a badly botched install of 3.6, and this was our biggest hassle.
3) I have AutoCreateNonExternalUsers on, but that's mostly because of the nature of the business my company is in :) However, the system seems to work fine with that disabled, and it doesn't autocreate any non-LDAP accounts unless you do so yourself.
On another level, I know you'll hear this from a lot of angles, but it always deserves to be said... You should try this sort of thing out on a test system before setting it up in production... Especially when dealing with things like authentication, you really want to make sure youself that it does what you want it to do...
--
Cass
-----Original Message-----
From: rt-users-bounces at lists.bestpractical.com<mailto:rt-users-bounces at lists.bestpractical.com> [mailto:rt-users-bounces at lists.bestpractical.com] On Behalf Of Susan McClure
Sent: Wednesday, June 03, 2009 2:30 PM
To: rt-users at lists.bestpractical.com<mailto:rt-users at lists.bestpractical.com>
Cc: Susan McClure
Subject: [rt-users] RT ExternalAuth LDAP and Adding Local users in 3.8.2
I have been reading the postings about RT-Authen-ExternalAuth but am confused on what appears to be some conflicting setup information.
I am using:
RT 3.8.2
RT-Authen-ExternalAuth 0.08
I would like to use LDAP for authentication and information first, and that part seems to work OK.
But I also would like to:
- add LOCAL users to RT internal DB (i.e; test and test-admin type
accounts)
- NOT autocreate a new RT account, if we receive an email from a user that is unknown in local RT or LDAP.
- NOT make multiple accounts for a user's multiple email aliases.
(Our ldap contains several email addresses for each user (uid) )
When I try to add a local account through the Web(using Root,
Configuration->Users->Create). I receive the error "Name in Use"
The username I am trying to create is NOT in existence, but the email for that new account IS.
My error_log shows:
==================================
[Tue Jun 2 17:45:21 2009] [debug]: User Check Failed :: ( My_LDAP )
root User not found
(/opt/opt.CORE/rt-3.8/rhel4/PROD/local/plugins/RT-Authen-ExternalAuth/
lib/RT/Authen/ExternalAuth/LDAP.pm:318)
[Tue Jun 2 17:45:21 2009] [debug]: Autohandler called ExternalAuth.
Response: (0, No User)
(/opt/opt.CORE/rt-3.8/rhel4/PROD/local/plugins/RT-Authen-ExternalAuth/
html/Callbacks/ExternalAuth/autohandler/Auth:26)
[Tue Jun 2 17:45:21 2009] [info]: Successful login for root from
168.7.56.227 (/usr/site/rt-3.8/PROD/share/html/autohandler:276)
[Tue Jun 2 17:46:40 2009] [debug]: /ServiceUpdate/Elements/Header
calls old style callback, use $m->callback
(/usr/site/rt-3.8/PROD/share/html/Elements/Callback:51)
[Tue Jun 2 17:46:40 2009] [crit]: HasRight called with no valid
object (/usr/site/rt-3.8/PROD/bin/../lib/RT/Principal_Overlay.pm:322)
[Tue Jun 2 17:51:36 2009] [debug]:
RT::Authen::ExternalAuth::CanonicalizeUserInfo called by RT::User
/opt/opt.CORE/rt-3.8/rhel4/PROD/local/plugins/RT-Authen-ExternalAuth/l
ib/RT/User_Vendor.pm 20 with: Address1: , Address2: , AuthSystem: ,
City: , Comments: Admin Authority Level Account for RT,
ContactInfoSystem: , Country: , Disabled: 0, EmailAddress:
smcclure at rice.edu<mailto:smcclure at rice.edu>, EmailEncoding: , ExternalAuthId: ,
ExternalContactInfoId: , FreeformContactInfo: , Gecos: , HomePhone: ,
Lang: en, MobilePhone: , Name: smcclure-admin, NickName:
Smcclure-Admin,
Organization: , PagerPhone: , Privileged: 1, RealName: Susan McClure,
Signature: , State: ,
WebEncoding: , WorkPhone: , Zip:
(/opt/opt.CORE/rt-3.8/rhel4/PROD/local/plugins/RT-Authen-ExternalAuth/
lib/RT/Authen/ExternalAuth.pm:450)
[Tue Jun 2 17:51:36 2009] [debug]: Attempting to get user info using
this external service: My_LDAP
(/opt/opt.CORE/rt-3.8/rhel4/PROD/local/plugins/RT-Authen-ExternalAuth/
lib/RT/Authen/ExternalAuth.pm:458)
[Tue Jun 2 17:51:36 2009] [debug]: Attempting to use this
canonicalization key: Name
(/opt/opt.CORE/rt-3.8/rhel4/PROD/local/plugins/RT-Authen-ExternalAuth/
lib/RT/Authen/ExternalAuth.pm:472)
[Tue Jun 2 17:51:36 2009] [debug]: LDAP Search === Base:
ou=People,dc=rice,dc=edu == Filter:
(&(objectclass=*)(uid=smcclure-admin)) == Attrs:
Houston,cn,TX,mail,gecos,postalAddress,postalCode,telephoneNumber,uid,
physicalDeliveryOfficeName,uid
(/opt/opt.CORE/rt-3.8/rhel4/PROD/local/plugins/RT-Authen-ExternalAuth/
lib/RT/Authen/ExternalAuth/LDAP.pm:195)
[Tue Jun 2 17:51:36 2009] [debug]: Attempting to use this
canonicalization key: EmailAddress
(/opt/opt.CORE/rt-3.8/rhel4/PROD/local/plugins/RT-Authen-ExternalAuth/
lib/RT/Authen/ExternalAuth.pm:472)
[Tue Jun 2 17:51:36 2009] [debug]: LDAP Search === Base:
ou=People,dc=rice,dc=edu == Filter:
(&(objectclass=*)(mail=smcclure at rice.edu<mailto:mail=smcclure at rice.edu>)) == Attrs:
Houston,cn,TX,mail,gecos,postalAddress,postalCode,telephoneNumber,uid,
physicalDeliveryOfficeName,uid
(/opt/opt.CORE/rt-3.8/rhel4/PROD/local/plugins/RT-Authen-ExternalAuth/
lib/RT/Authen/ExternalAuth/LDAP.pm:195)
[Tue Jun 2 17:51:36 2009] [info]:
RT::Authen::ExternalAuth::CanonicalizeUserInfo returning
Address1: 6100 Main Street, Address2: , AuthSystem: , City: ,
Comments: Admin Authority Level Account for RT, ContactInfoSystem: ,
Country: , Disabled: 0, EmailAddress: smcclure at rice.edu<mailto:smcclure at rice.edu>,
EmailEncoding: , ExternalAuthId: smcclure, ExternalContactInfoId: ,
FreeformContactInfo: , Gecos: , HomePhone: , Lang: en, MobilePhone: ,
Name: smcclure, NickName: Smcclure-Admin,
Organization: 222 Mudd Building, PagerPhone: , Privileged: 1,
RealName: McClure, Susan, Signature: , State: , WebEncoding: ,
WorkPhone: 713-348-4852, Zip: 77005
(/opt/opt.CORE/rt-3.8/rhel4/PROD/local/plugins/RT-Authen-ExternalAuth/
lib/RT/Authen/ExternalAuth.pm:536)
==============
My Current RT_SiteConfig.pm for LDAP and External Auth has ====================================
Set(@Plugins,qw(RT::FM RT::IR RT::Authen::ExternalAuth .......
and for LDAP
# special options for various plugins
# Authen::ExternalAuth
Set($ExternalAuthPriority, ['My_LDAP'] ); Set($ExternalInfoPriority, ['My_LDAP'] );
Set($ExternalServiceUsesSSLorTLS, 1);
Set($ExternalSettings, {
'My_LDAP' => { ## GENERIC
SECTION
'type'
=> 'ldap',
'server'
=> 'ldap.rice.edu',
'user'
=> 'cn=requesttracker,ou=Service Accounts,dc=rice,dc=edu',
..... etc etc .........
.................
And the LDAP Attributes mappings:
## RT ATTRIBUTE MATCHING SECTION
# The list of RT attributes that uniquely identify a user
# This example shows what you *can* specify.. I recommend reducing this
# to just the Name and EmailAddress to save encountering problems later.
'attr_match_list' => [ 'Name',
'EmailAddress',
'RealName',
'WorkPhone',
'Address2'
],
# The mapping of RT attributes on to LDAP attributes
'attr_map' => { 'Name' => 'uid',
'EmailAddress' => 'mail',
'Organization' => 'physicalDeliveryOfficeName',
'RealName' => 'cn',
'ExternalAuthId' => 'uid',
'Gecos' => 'gecos',
'WorkPhone' => 'telephoneNumber',
'Address1' => 'postalAddress',
'City' => 'Houston',
'State' => 'TX',
'Zip' => 'postalCode'
}
}
}
);
===================
Looking at all the postings, I am afraid that if I add:
==> Set($AutoCreateNonExternalUsers, 1);
That I will automatically MAKE a new account for users that send email or authenticate in some way other than being in our LDAP.
Can someone clarify the different options to help me get the setup I want please?
Thanks
Susie McClure
smcclure at rice.edu<mailto:smcclure at rice.edu>
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