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Bug 1817379

Summary:	Removing an IPA sub-group should NOT remove the members from indirect parent that also belong to other subgroups [rhel-7.7.z]
Product:	Red Hat Enterprise Linux 7	Reporter:	RAD team bot copy to z-stream <autobot-eus-copy>
Component:	sssd	Assignee:	Alexey Tikhonov <atikhono>
Status:	CLOSED ERRATA	QA Contact:	ipa-qe <ipa-qe>
Severity:	high	Docs Contact:
Priority:	high
Version:	7.7	CC:	atikhono, bthekkep, dchen, grajaiya, ipa-qe, jhrozek, ksiddiqu, lslebodn, mzidek, ndehadra, pbrezina, sbose, sgoveas, ssidhaye, thalman, tscherf, yoguma, yuriy.halytskyy
Target Milestone:	rc	Keywords:	ZStream
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	sssd-1.16.4-21.el7_7.4	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:	1782087	Environment:
Last Closed:	2020-04-30 17:17:07 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1782087
Bug Blocks:

Description RAD team bot copy to z-stream 2020-03-26 09:09:24 UTC

This bug has been copied from bug #1782087 and has been proposed to be backported to 7.7 z-stream (EUS).

Comment 2 Alexey Tikhonov 2020-03-27 13:40:17 UTC

* `sssd-1-16`
    * 9a7c044dcd17b23127ddda25ff9cddc9c67fe4ca - memberof: keep memberOf attribute for nested member

Comment 5 Sumedh Sidhaye 2020-04-16 14:31:39 UTC

Reproducer:

Master:

[root@ci-vm-10-0-137-242 ~]# rpm -q ipa-server sssd
ipa-server-4.6.5-11.el7.x86_64
sssd-1.16.4-21.el7.x86_64
[root@ci-vm-10-0-137-242 ~]# cat /etc/redhat-release 
Red Hat Enterprise Linux Server release 7.7 (Maipo)
[root@ci-vm-10-0-137-242 ~]#

Client:


[root@ci-vm-10-0-137-213 ~]# rpm -q ipa-client sssd
ipa-client-4.6.5-11.el7.x86_64
sssd-1.16.4-21.el7.x86_64
[root@ci-vm-10-0-137-213 ~]# cat /etc/redhat-release 
Red Hat Enterprise Linux Server release 7.7 (Maipo)
[root@ci-vm-10-0-137-213 ~]# 


Steps:

[root@ci-vm-10-0-137-242 ~]# kinit admin
Password for admin: 
[root@ci-vm-10-0-137-242 ~]# ipa hbacrule-add --usercat=all --hostcat=all --servicecat=all any_to_any
----------------------------
Added HBAC rule "any_to_any"
----------------------------
  Rule name: any_to_any
  User category: all
  Host category: all
  Service category: all
  Enabled: TRUE
[root@ci-vm-10-0-137-242 ~]# ipa user-add --first=u --last=1 u1
---------------
Added user "u1"
---------------
  User login: u1
  First name: u
  Last name: 1
  Full name: u 1
  Display name: u 1
  Initials: u1
  Home directory: /home/u1
  GECOS: u 1
  Login shell: /bin/sh
  Principal name: u1
  Principal alias: u1
  Email address: u1
  UID: 1194400001
  GID: 1194400001
  Password: False
  Member of groups: ipausers
  Kerberos keys available: False
[root@ci-vm-10-0-137-242 ~]# ipa passwd u1
New Password: 
Enter New Password again to verify: 
----------------------------------------
Changed password for "u1"
----------------------------------------
[root@ci-vm-10-0-137-242 ~]# ipa group-add a
---------------
Added group "a"
---------------
  Group name: a
  GID: 1194400003
[root@ci-vm-10-0-137-242 ~]# ipa group-add b
---------------
Added group "b"
---------------
  Group name: b
  GID: 1194400004
[root@ci-vm-10-0-137-242 ~]# ipa group-add c
---------------
Added group "c"
---------------
  Group name: c
  GID: 1194400005
[root@ci-vm-10-0-137-242 ~]# ipa group-add-member --groups=a b
  Group name: b
  GID: 1194400004
  Member groups: a
-------------------------
Number of members added 1
-------------------------
[root@ci-vm-10-0-137-242 ~]# ipa group-add-member --groups=b c
  Group name: c
  GID: 1194400005
  Member groups: b
  Indirect Member groups: a
-------------------------
Number of members added 1
-------------------------
[root@ci-vm-10-0-137-242 ~]# ipa group-add-member --users=u1 a
  Group name: a
  GID: 1194400003
  Member users: u1
  Member of groups: b
  Indirect Member of group: c
-------------------------
Number of members added 1
-------------------------
[root@ci-vm-10-0-137-242 ~]# ipa user-show u1 | grep group
  Member of groups: a, ipausers
  Indirect Member of group: b, c
[root@ci-vm-10-0-137-242 ~]# service sssd stop; find /var/lib/sss/ ! -type d -delete; systemctl start sssd
Redirecting to /bin/systemctl stop sssd.service
[root@ci-vm-10-0-137-242 ~]# vim /etc/hosts
[root@ci-vm-10-0-137-242 ~]# ssh -q u1.test groups
Password: 
Password expired. Change your password now.
Current Password: 
New password: 
Retype new password: 
Could not chdir to home directory /home/u1: No such file or directory
u1 a b c
[root@ci-vm-10-0-137-242 ~]# ipa group-add-member --users=u1 b
  Group name: b
  GID: 1194400004
  Member users: u1
  Member groups: a
  Member of groups: c
-------------------------
Number of members added 1
-------------------------


On Client:

[root@ci-vm-10-0-137-213 ~]# ssh -q u1.test groups
Password: 
u1 a b c
Could not chdir to home directory /home/u1: No such file or directory


On Server:

[root@ci-vm-10-0-137-242 ~]# ipa group-remove-member --users=u1 b
  Group name: b
  GID: 1194400004
  Member groups: a
  Member of groups: c
  Indirect Member users: u1
---------------------------
Number of members removed 1
---------------------------


On Client:

[root@ci-vm-10-0-137-213 ~]# ssh -q u1.test groups
Password: 
Could not chdir to home directory /home/u1: No such file or directory
u1 a c


Group "b" is missing


Verification:

On Master:
[root@ci-vm-10-0-139-86 ~]# rpm -q ipa-server ipa-server-dns sssd
ipa-server-4.6.5-11.el7.x86_64
ipa-server-dns-4.6.5-11.el7.noarch
sssd-1.16.4-21.el7_7.4.x86_64

On Client:
[root@ci-vm-10-0-136-90 ~]# rpm -q ipa-client sssd
ipa-client-4.6.5-11.el7.x86_64
sssd-1.16.4-21.el7_7.4.x86_64


[root@ci-vm-10-0-139-86 ~]# kinit admin
Password for admin: 
[root@ci-vm-10-0-139-86 ~]# ipa host-find
---------------
2 hosts matched
---------------
  Host name: client.testrealm.test
  Principal name: host/client.testrealm.test
  Principal alias: host/client.testrealm.test
  SSH public key fingerprint: SHA256:Eeg05xPJ064IA7KqM1kmg4b1BUh8FVa4QMWVuNE1UXk (ssh-rsa), SHA256:Bkj0JI3YOvrfb0CEiy18spw5pgvqvo0hhb+1FnI08LE
                              (ecdsa-sha2-nistp256), SHA256:Lo7gl8ij6mE7EuoFYzq6KKtB5qMXjPtrbcsDq58A1aE (ssh-ed25519)

  Host name: master.testrealm.test
  Principal name: host/master.testrealm.test
  Principal alias: host/master.testrealm.test
  SSH public key fingerprint: SHA256:Eeg05xPJ064IA7KqM1kmg4b1BUh8FVa4QMWVuNE1UXk (ssh-rsa), SHA256:Bkj0JI3YOvrfb0CEiy18spw5pgvqvo0hhb+1FnI08LE
                              (ecdsa-sha2-nistp256), SHA256:Lo7gl8ij6mE7EuoFYzq6KKtB5qMXjPtrbcsDq58A1aE (ssh-ed25519)
----------------------------
Number of entries returned 2
----------------------------
[root@ci-vm-10-0-139-86 ~]# vim test.sh
[root@ci-vm-10-0-139-86 ~]# 
[root@ci-vm-10-0-139-86 ~]# sh -x test.sh 
+ ipa hbacrule-add --usercat=all --hostcat=all --servicecat=all any_to_any
----------------------------
Added HBAC rule "any_to_any"
----------------------------
  Rule name: any_to_any
  User category: all
  Host category: all
  Service category: all
  Enabled: TRUE
+ ipa user-add --first=u --last=1 u1
---------------
Added user "u1"
---------------
  User login: u1
  First name: u
  Last name: 1
  Full name: u 1
  Display name: u 1
  Initials: u1
  Home directory: /home/u1
  GECOS: u 1
  Login shell: /bin/sh
  Principal name: u1
  Principal alias: u1
  Email address: u1
  UID: 1847400001
  GID: 1847400001
  Password: False
  Member of groups: ipausers
  Kerberos keys available: False
+ ipa passwd u1
New Password: 
Enter New Password again to verify: 
----------------------------------------
Changed password for "u1"
----------------------------------------
+ ipa group-add a
---------------
Added group "a"
---------------
  Group name: a
  GID: 1847400003
+ ipa group-add b
---------------
Added group "b"
---------------
  Group name: b
  GID: 1847400004
+ ipa group-add c
---------------
Added group "c"
---------------
  Group name: c
  GID: 1847400005
+ ipa group-add-member --groups=a b
  Group name: b
  GID: 1847400004
  Member groups: a
-------------------------
Number of members added 1
-------------------------
+ ipa group-add-member --groups=b c
  Group name: c
  GID: 1847400005
  Member groups: b
  Indirect Member groups: a
-------------------------
Number of members added 1
-------------------------
+ ipa group-add-member --users=u1 a
  Group name: a
  GID: 1847400003
  Member users: u1
  Member of groups: b
  Indirect Member of group: c
-------------------------
Number of members added 1
-------------------------
+ ipa user-show u1
+ grep group
  Member of groups: a, ipausers
  Indirect Member of group: b, c
[root@ci-vm-10-0-139-86 ~]# service sssd stop; find /var/lib/sss/ ! -type d -delete; service sssd start
Redirecting to /bin/systemctl stop sssd.service
Redirecting to /bin/systemctl start sssd.service
[root@ci-vm-10-0-139-86 ~]# ssh -q u1.test groups
[root@ci-vm-10-0-139-86 ~]# ping client.testrealm.test
ping: client.testrealm.test: Name or service not known
[root@ci-vm-10-0-139-86 ~]# vim /etc/hosts
[root@ci-vm-10-0-139-86 ~]# ssh -q u1.test groups
Password: 
Password expired. Change your password now.
Current Password: 
New password: 
Retype new password: 
Could not chdir to home directory /home/u1: No such file or directory
u1 a b c

[root@ci-vm-10-0-139-86 ~]# ipa group-add-member --users=u1 b
  Group name: b
  GID: 1847400004
  Member users: u1
  Member groups: a
  Member of groups: c
-------------------------
Number of members added 1
-------------------------
[root@ci-vm-10-0-136-90 ~]# ssh -q u1.test groups
Password: 
Could not chdir to home directory /home/u1: No such file or directory
u1 a b c

on master:

[root@ci-vm-10-0-139-86 ~]# sss_cache -E; systemctl restart sssd
[root@ci-vm-10-0-139-86 ~]# ipa group-remove-member --users=u1 b
  Group name: b
  GID: 1847400004
  Member groups: a
  Member of groups: c
  Indirect Member users: u1
---------------------------
Number of members removed 1
---------------------------

on client:
[root@ci-vm-10-0-136-90 ~]# ssh -q u1.test groups
Password: 
Could not chdir to home directory /home/u1: No such file or directory
u1 a b c

Group “b” is present



Scenario from https://bugzilla.redhat.com/show_bug.cgi?id=1782087#c0



[root@ci-vm-10-0-139-86 ~]# sh -x test2.sh 
+ kinit admin
Password for admin: 
+ ipa user-add user1
First name: user
Last name: one
------------------
Added user "user1"
------------------
  User login: user1
  First name: user
  Last name: one
  Full name: user one
  Display name: user one
  Initials: uo
  Home directory: /home/user1
  GECOS: user one
  Login shell: /bin/sh
  Principal name: user1
  Principal alias: user1
  Email address: user1
  UID: 1847400006
  GID: 1847400006
  Password: False
  Member of groups: ipausers
  Kerberos keys available: False
+ ipa group-add child1
--------------------
Added group "child1"
--------------------
  Group name: child1
  GID: 1847400007
+ ipa group-add child2
--------------------
Added group "child2"
--------------------
  Group name: child2
  GID: 1847400008
+ ipa group-add parent
--------------------
Added group "parent"
--------------------
  Group name: parent
  GID: 1847400009
+ ipa group-add-member parent --group child1
  Group name: parent
  GID: 1847400009
  Member groups: child1
-------------------------
Number of members added 1
-------------------------
+ ipa group-add-member parent --group child2
  Group name: parent
  GID: 1847400009
  Member groups: child1, child2
-------------------------
Number of members added 1
-------------------------
+ ipa group-add-member child1 --user user1
  Group name: child1
  GID: 1847400007
  Member users: user1
  Member of groups: parent
-------------------------
Number of members added 1
-------------------------
+ ipa group-add-member child2 --user user1
  Group name: child2
  GID: 1847400008
  Member users: user1
  Member of groups: parent
-------------------------
Number of members added 1
-------------------------
[root@ci-vm-10-0-139-86 ~]# sss_cache -E; systemctl restart sssd
[root@ci-vm-10-0-139-86 ~]# id user1
uid=1847400006(user1) gid=1847400006(user1) groups=1847400006(user1),1847400009(parent),1847400008(child2),1847400007(child1)
[root@ci-vm-10-0-139-86 ~]# sss_cache -E; systemctl restart sssd
[root@ci-vm-10-0-139-86 ~]# getent group parent
parent:*:1847400009:user1
[root@ci-vm-10-0-139-86 ~]# sss_cache -E; systemctl restart sssd
[root@ci-vm-10-0-139-86 ~]# ipa user-show user1
  User login: user1
  First name: user
  Last name: one
  Home directory: /home/user1
  Login shell: /bin/sh
  Principal name: user1
  Principal alias: user1
  Email address: user1
  UID: 1847400006
  GID: 1847400006
  Account disabled: False
  Password: False
  Member of groups: ipausers, child1, child2
  Indirect Member of group: parent
  Kerberos keys available: False
[root@ci-vm-10-0-139-86 ~]# ipa group-remove-member parent --group child1
  Group name: parent
  GID: 1847400009
  Member groups: child2
  Indirect Member users: user1
---------------------------
Number of members removed 1
---------------------------
[root@ci-vm-10-0-139-86 ~]# sss_cache -E; systemctl restart sssd
[root@ci-vm-10-0-139-86 ~]# id user1
uid=1847400006(user1) gid=1847400006(user1) groups=1847400006(user1),1847400007(child1),1847400008(child2),1847400009(parent)       <-------- parent present
[root@ci-vm-10-0-139-86 ~]# sss_cache -E; systemctl restart sssd
[root@ci-vm-10-0-139-86 ~]# getent group parent
parent:*:1847400009:user1                                                        <------------- user1    present
[root@ci-vm-10-0-139-86 ~]# sss_cache -E; systemctl restart sssd
[root@ci-vm-10-0-139-86 ~]# ipa user-show user1
  User login: user1
  First name: user
  Last name: one
  Home directory: /home/user1
  Login shell: /bin/sh
  Principal name: user1
  Principal alias: user1
  Email address: user1
  UID: 1847400006
  GID: 1847400006
  Account disabled: False
  Password: False
  Member of groups: ipausers, child1, child2
  Indirect Member of group: parent                                              <---------------------- parent present
  Kerberos keys available: False
[root@ci-vm-10-0-139-86 ~]# 



Based on above observations verifying the bugzilla

Comment 7 errata-xmlrpc 2020-04-30 17:17:07 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, 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-2020:1990