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Bug 1462348

Summary:	[rfe] sssd should be able to process host-based security filtering when processing active directory gpos
Product:	Red Hat Enterprise Linux 8	Reporter:	Striker Leggette <striker>
Component:	sssd	Assignee:	SSSD Maintainers <sssd-maint>
Status:	CLOSED ERRATA	QA Contact:	sssd-qe <sssd-qe>
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	8.0	CC:	abokovoy, atikhono, dlavu, grajaiya, jhrozek, lslebodn, mkosek, mzidek, pbrezina, rharwood, sbose, sgoveas, ssorce, thalman, tscherf
Target Milestone:	pre-dev-freeze	Keywords:	FutureFeature, Triaged
Target Release:	8.1	Flags:	striker: needinfo- pm-rhel: mirror+
Hardware:	All
OS:	Linux
Whiteboard:	sync-to-jira
Fixed In Version:	sssd-2.3.0-1.el8	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-11-04 02:04:28 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Striker Leggette 2017-06-16 19:47:33 UTC

[+] Description of problem:
 - Active Directory GPOs which are applied to Linux hosts per their security filtering should be properly handled by SSSD.  At the moment, GPOs can only be applied to Linux hosts which live within the OU that the GPO is linked to.

Comment 3 Jakub Hrozek 2017-06-28 18:38:25 UTC

Upstream ticket:
https://pagure.io/SSSD/sssd/issue/3443

Comment 9 Michal Zidek 2018-11-12 12:10:27 UTC

I am just adding a short summary for convenience:

On Win server machine it is possible to specify security filter for each GPO. This filter can contain users, groups and host entries. The meaning of the filter is "this GPO is applicable only if we deal with entries specified in this list".

SSSD currently ignores the host entries and only works with user and group entries so if the list contains host A and no users/groups SSSD will always evaluate the GPO as not applicable even if users log into host A.

Comment 13 Michal Zidek 2020-07-29 07:58:36 UTC

Sorry I have not answered the question before. I do not remember what the behaviour should be exactly, but as a rule of thumb we always wanted to have the behaviour as close to Windows clients as possible, so whatever Windows clients are doing in that situation SSSD should do the same.

Comment 18 Dan Lavu 2020-09-02 15:09:26 UTC

Verified against sssd-2.3.0-8.el8.x86_64

[ci-vm-10-0-107-229.h] ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
[ci-vm-10-0-107-229.h] ::   parent domain Don't ignore host entries in Group Policy security filters
[ci-vm-10-0-107-229.h] ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
[ci-vm-10-0-107-229.h] :: [ 09:23:49 ] :: [   LOG    ] :: GPO :: Moving CN=CLIENT1,CN=Computers,DC=adgpo12r83,DC=com to OU=GPO,DC=adgpo12r83,DC=com
[ci-vm-10-0-107-229.h] :: [ 09:24:01 ] :: [   LOG    ] :: GPO :: Setting Authenticated Users permissions to None for computer_policy
[ci-vm-10-0-107-229.h] :: [ 09:24:25 ] :: [   LOG    ] :: GPO :: Setting CLIENT1$ permissions to GpoRead for computer_policy
[ci-vm-10-0-107-229.h] :: [ 09:25:03 ] :: [   PASS   ] :: File '/var/log/sssd/sssd_adgpo12r83.com.log' should contain 'Option ad_gpo_access_control has value enforcing'
[ci-vm-10-0-107-229.h] :: [ 09:25:03 ] :: [  BEGIN   ] :: Running 'ssh_user_password_login 'allowed_ou_user' Secret123'
[ci-vm-10-0-107-229.h] :: [ 09:25:09 ] :: [   PASS   ] :: Command 'ssh_user_password_login 'allowed_ou_user' Secret123' (Expected 0, got 0)
[ci-vm-10-0-107-229.h] :: [ 09:25:09 ] :: [  BEGIN   ] :: Running 'ssh_user_password_login 'allowed_ou_user1' Secret123'
[ci-vm-10-0-107-229.h] :: [ 09:25:15 ] :: [   PASS   ] :: Command 'ssh_user_password_login 'allowed_ou_user1' Secret123' (Expected 0, got 0)
[ci-vm-10-0-107-229.h] :: [ 09:25:15 ] :: [  BEGIN   ] :: Running 'ssh_user_password_login 'regular_user' Secret123'
[ci-vm-10-0-107-229.h] :: [ 09:25:21 ] :: [   PASS   ] :: Command 'ssh_user_password_login 'regular_user' Secret123' (Expected 0, got 0)
[ci-vm-10-0-107-229.h] :: [ 09:25:21 ] :: [  BEGIN   ] :: Running 'ssh_user_password_login 'denied_ou_user' Secret123'
[ci-vm-10-0-107-229.h] :: [ 09:25:27 ] :: [   PASS   ] :: Command 'ssh_user_password_login 'denied_ou_user' Secret123' (Expected 0, got 0)
[ci-vm-10-0-107-229.h] :: [ 09:25:27 ] :: [  BEGIN   ] :: Running 'ssh_user_password_login 'denied_ou_user1' Secret123'
[ci-vm-10-0-107-229.h] :: [ 09:25:33 ] :: [   PASS   ] :: Command 'ssh_user_password_login 'denied_ou_user1' Secret123' (Expected 0, got 0)
[ci-vm-10-0-107-229.h] :: [ 09:25:33 ] :: [   LOG    ] :: GPO :: Linking computer_policy to OU=GPO,DC=adgpo12r83,DC=com
[ci-vm-10-0-107-229.h] :: [ 09:26:12 ] :: [   PASS   ] :: File '/var/log/sssd/sssd_adgpo12r83.com.log' should contain 'Option ad_gpo_access_control has value enforcing'
[ci-vm-10-0-107-229.h] :: [ 09:26:12 ] :: [  BEGIN   ] :: Running 'ssh_user_password_login 'allowed_ou_user' Secret123'
[ci-vm-10-0-107-229.h] :: [ 09:26:18 ] :: [   PASS   ] :: Command 'ssh_user_password_login 'allowed_ou_user' Secret123' (Expected 0, got 0)
[ci-vm-10-0-107-229.h] :: [ 09:26:18 ] :: [  BEGIN   ] :: Running 'ssh_user_password_login 'allowed_ou_user1' Secret123'
[ci-vm-10-0-107-229.h] :: [ 09:26:24 ] :: [   PASS   ] :: Command 'ssh_user_password_login 'allowed_ou_user1' Secret123' (Expected 0, got 0)
[ci-vm-10-0-107-229.h] :: [ 09:26:24 ] :: [  BEGIN   ] :: Running 'ssh_user_password_login 'regular_user' Secret123'
[ci-vm-10-0-107-229.h] :: [ 09:26:25 ] :: [   PASS   ] :: Command 'ssh_user_password_login 'regular_user' Secret123' (Expected 255, got 255)
[ci-vm-10-0-107-229.h] :: [ 09:26:25 ] :: [  BEGIN   ] :: Running 'ssh_user_password_login 'denied_ou_user' Secret123'
[ci-vm-10-0-107-229.h] :: [ 09:26:25 ] :: [   PASS   ] :: Command 'ssh_user_password_login 'denied_ou_user' Secret123' (Expected 255, got 255)
[ci-vm-10-0-107-229.h] :: [ 09:26:25 ] :: [  BEGIN   ] :: Running 'ssh_user_password_login 'denied_ou_user1' Secret123'
[ci-vm-10-0-107-229.h] :: [ 09:26:26 ] :: [   PASS   ] :: Command 'ssh_user_password_login 'denied_ou_user1' Secret123' (Expected 255, got 255)
[ci-vm-10-0-107-229.h] :: [ 09:26:26 ] :: [   LOG    ] :: GPO :: Moving CN=CLIENT1,OU=GPO,DC=adgpo12r83,DC=com to CN=Computers,DC=adgpo12r83,DC=com
[ci-vm-10-0-107-229.h] :: [ 09:26:39 ] :: [   LOG    ] :: GPO :: Unlinking computer_policy from OU=GPO,DC=adgpo12r83,DC=com

Comment 21 errata-xmlrpc 2020-11-04 02:04:28 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (sssd bug fix and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2020:4569