URL: https://github.com/SSSD/sssd/pull/5241
Title: #5241: GPO: respect ad_gpo_implicit_deny when evaluation rules

pbrezina commented:
"""
I can't reproduce this. I have two users 1) Administrator, 2) vagrant. I allow 
access to the Administrator. Administrator is allowed to login as expected, 
vagrant is not able to login either way regardless on the option settings 
because an applicable gpo is found and the user is not explicitly allowed.

```
(2020-08-21 15:36:40): [be[ad.vm]] [sysdb_gpo_store_gpo_result_setting] 
(0x0400): Storing setting: key [SeRemoteInteractiveLogonRight] value 
[*S-1-5-21-433998187-2822908608-1404606238-500]
(2020-08-21 15:36:40): [be[ad.vm]] [sysdb_gpo_get_gpo_result_setting] (0x0400): 
key [SeRemoteInteractiveLogonRight] value 
[*S-1-5-21-433998187-2822908608-1404606238-500]
(2020-08-21 15:36:40): [be[ad.vm]] [sysdb_gpo_get_gpo_result_setting] (0x0400): 
key [SeDenyRemoteInteractiveLogonRight] value [(null)]
(2020-08-21 15:36:40): [be[ad.vm]] [parse_policy_setting_value] (0x0400): No 
value for key [SeDenyRemoteInteractiveLogonRight] found in gpo result
(2020-08-21 15:36:40): [be[ad.vm]] [ad_gpo_access_check] (0x0400): RESULTANT 
POLICY:
(2020-08-21 15:36:40): [be[ad.vm]] [ad_gpo_access_check] (0x0400): 
gpo_map_type: Remote Interactive
(2020-08-21 15:36:40): [be[ad.vm]] [ad_gpo_access_check] (0x0400): allowed_size 
= 1
(2020-08-21 15:36:40): [be[ad.vm]] [ad_gpo_access_check] (0x0400): 
allowed_sids[0] = S-1-5-21-433998187-2822908608-1404606238-500
(2020-08-21 15:36:40): [be[ad.vm]] [ad_gpo_access_check] (0x0400): denied_size 
= 0
(2020-08-21 15:36:40): [be[ad.vm]] [ad_gpo_access_check] (0x0400): CURRENT USER:
(2020-08-21 15:36:40): [be[ad.vm]] [ad_gpo_access_check] (0x0400):        
user_sid = S-1-5-21-433998187-2822908608-1404606238-1000
(2020-08-21 15:36:40): [be[ad.vm]] [ad_gpo_access_check] (0x0400):   
group_sids[0] = S-1-5-21-433998187-2822908608-1404606238-513
(2020-08-21 15:36:40): [be[ad.vm]] [ad_gpo_access_check] (0x0400):   
group_sids[1] = S-1-5-11
(2020-08-21 15:36:40): [be[ad.vm]] [ad_gpo_access_check] (0x0400): POLICY 
DECISION:
(2020-08-21 15:36:40): [be[ad.vm]] [ad_gpo_access_check] (0x0400):  
access_granted = 0
(2020-08-21 15:36:40): [be[ad.vm]] [ad_gpo_access_check] (0x0400):   
access_denied = 0
(2020-08-21 15:36:40): [be[ad.vm]] [ad_gpo_perform_hbac_processing] (0x0040): 
GPO access check failed: [1432158236](Host Access Denied)
```

The patch does not change the behavior.
"""

See the full comment at 
https://github.com/SSSD/sssd/pull/5241#issuecomment-678295162
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