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Bug 1817374

Summary: Removing an IPA sub-group should NOT remove the members from indirect parent that also belong to other subgroups [rhel-7.3.z]
Product: Red Hat Enterprise Linux 7 Reporter: RAD team bot copy to z-stream <autobot-eus-copy>
Component: sssdAssignee: Alexey Tikhonov <atikhono>
Status: CLOSED ERRATA QA Contact: ipa-qe <ipa-qe>
Severity: high Docs Contact:
Priority: high    
Version: 7.7CC: afarley, atikhono, bthekkep, dchen, grajaiya, ipa-qe, jhrozek, ksiddiqu, lslebodn, mzidek, ndehadra, pbrezina, sbose, sgoveas, ssidhaye, thalman, tscherf, yoguma, yuriy.halytskyy
Target Milestone: rcKeywords: ZStream
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: sssd-1.14.0-43.el7_3.20 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: 1782087 Environment:
Last Closed: 2020-04-14 14:52:20 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 09:07:08 UTC 
This bug has been copied from bug #1782087 and has been proposed to be backported to 7.3 z-stream (EUS).
Comment 4 Alexey Tikhonov 2020-04-03 13:06:20 UTC 
* `sssd-1-16`
    * 9a7c044dcd17b23127ddda25ff9cddc9c67fe4ca - memberof: keep memberOf attribute for nested member
Comment 10 Sumedh Sidhaye 2020-04-09 14:08:40 UTC 
Reproducer:


master:
[root@ci-vm-10-0-137-85 ~]# rpm -q ipa-server sssd
ipa-server-4.4.0-14.el7_3.7.x86_64
sssd-1.14.0-43.el7_3.18.x86_64
[root@ci-vm-10-0-137-85 ~]#


client:
ipa-client.x86_64 0:4.4.0-14.el7_3.7
sssd.x86_64 0:1.14.0-43.el7_3.18

On Master:


[root@ci-vm-10-0-137-85 ~]# klist
Ticket cache: KEYRING:persistent:0:0
Default principal: admin

Valid starting       Expires              Service principal
2020-04-09T05:19:14  2020-04-10T05:19:11  krbtgt/TESTREALM.TEST
[root@ci-vm-10-0-137-85 ~]# 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: 33:2F:90:C0:9F:73:09:EA:E8:AE:3A:97:37:A0:B3:38 (ssh-ed25519), 4A:74:46:FC:A7:0F:8D:E7:05:B4:B5:83:59:45:FA:FD (ssh-
                              rsa), 3A:5B:72:FD:A5:15:FD:3A:75:15:75:F4:3C:A6:EE:AF (ecdsa-sha2-nistp256)

  Host name: master.testrealm.test
  Principal name: host/master.testrealm.test
  Principal alias: host/master.testrealm.test
  SSH public key fingerprint: 33:2F:90:C0:9F:73:09:EA:E8:AE:3A:97:37:A0:B3:38 (ssh-ed25519), 4A:74:46:FC:A7:0F:8D:E7:05:B4:B5:83:59:45:FA:FD (ssh-
                              rsa), 3A:5B:72:FD:A5:15:FD:3A:75:15:75:F4:3C:A6:EE:AF (ecdsa-sha2-nistp256)
----------------------------
Number of entries returned 2
----------------------------
[root@ci-vm-10-0-137-85 ~]# 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-10-0-137-85 ~]# 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: 566600001
  GID: 566600001
  Password: False
  Member of groups: ipausers
  Kerberos keys available: False
[root@ci-vm-10-0-137-85 ~]# ipa passwd u1
New Password: 
Enter New Password again to verify: 
----------------------------------------
Changed password for "u1"
----------------------------------------
[root@ci-vm-10-0-137-85 ~]# ipa group-add a
---------------
Added group "a"
---------------
  Group name: a
  GID: 566600003
[root@ci-vm-10-0-137-85 ~]# ipa group-add b
---------------
Added group "b"
---------------
  Group name: b
  GID: 566600004
[root@ci-vm-10-0-137-85 ~]# ipa group-add c
---------------
Added group "c"
---------------
  Group name: c
  GID: 566600005
[root@ci-vm-10-0-137-85 ~]# pa group-add-member --groups=a b
bash: pa: command not found
[root@ci-vm-10-0-137-85 ~]# ipa group-add-member --groups=a b
  Group name: b
  GID: 566600004
  Member groups: a
-------------------------
Number of members added 1
-------------------------
[root@ci-vm-10-0-137-85 ~]# ipa group-add-member --groups=b c
  Group name: c
  GID: 566600005
  Member groups: b
  Indirect Member groups: a
-------------------------
Number of members added 1
-------------------------
[root@ci-vm-10-0-137-85 ~]# ipa group-add-member --users=u1 a
  Group name: a
  GID: 566600003
  Member users: u1
  Member of groups: b
  Indirect Member of group: c
-------------------------
Number of members added 1
-------------------------
[root@ci-vm-10-0-137-85 ~]# sss_cache -E; systemctl restart sssd
No cache object matched the specified search
[root@ci-vm-10-0-137-85 ~]# ipa user-show u1 | grep group
  Member of groups: a, ipausers
  Indirect Member of group: b, c

[root@ci-vm-10-0-137-85 ~]# systemctl stop sssd; find /var/lib/sss/ ! -type d -delete; systemctl start sssd
[root@ci-vm-10-0-137-85 ~]# 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


On Client:

[root@ci-vm-10-0-136-35 ~]# klist
Ticket cache: KEYRING:persistent:0:0
Default principal: admin

Valid starting       Expires              Service principal
2020-04-09T05:19:38  2020-04-10T05:19:35  krbtgt/TESTREALM.TEST
[root@ci-vm-10-0-136-35 ~]# sss_cache -E; systemctl restart sssd
[root@ci-vm-10-0-136-35 ~]# 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-10-0-137-85 ~]# sss_cache -E; systemctl restart sssd
[root@ci-vm-10-0-137-85 ~]# ipa group-remove-member --users=u1 b
  Group name: b
  GID: 566600004
  Member groups: a
  Member of groups: c
  Indirect Member users: u1
---------------------------
Number of members removed 1
---------------------------


On Client:
[root@ci-vm-10-0-136-35 ~]# sss_cache -E; systemctl restart sssd
[root@ci-vm-10-0-136-35 ~]# 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:


master:
[root@ci-vm-10-0-137-106 ~]# rpm -q ipa-server sssd
ipa-server-4.4.0-14.el7_3.7.x86_64
sssd-1.14.0-43.el7_3.20.x86_64


client
[root@ci-vm-10-0-136-89 ~]# rpm -q ipa-client sssd
ipa-client-4.4.0-14.el7_3.7.x86_64
sssd-1.14.0-43.el7_3.20.x86_64


on master:

[root@ci-vm-10-0-137-106 ~]# klist
klist: Credentials cache keyring 'persistent:0:0' not found
[root@ci-vm-10-0-137-106 ~]# kinit admin
Password for admin: 
[root@ci-vm-10-0-137-106 ~]# vim test.sh
[root@ci-vm-10-0-137-106 ~]# 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: 836400001
  GID: 836400001
  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: 836400003
+ ipa group-add b
---------------
Added group "b"
---------------
  Group name: b
  GID: 836400004
+ ipa group-add c
---------------
Added group "c"
---------------
  Group name: c
  GID: 836400005
+ ipa group-add-member --groups=a b
  Group name: b
  GID: 836400004
  Member groups: a
-------------------------
Number of members added 1
-------------------------
+ ipa group-add-member --groups=b c
  Group name: c
  GID: 836400005
  Member groups: b
  Indirect Member groups: a
-------------------------
Number of members added 1
-------------------------
+ ipa group-add-member --users=u1 a
  Group name: a
  GID: 836400003
  Member users: u1
  Member of groups: b
  Indirect Member of group: c
-------------------------
Number of members added 1
-------------------------
+ sss_cache -E
No cache object matched the specified search
+ systemctl restart sssd
+ systemctl status sssd
● sssd.service - System Security Services Daemon
   Loaded: loaded (/usr/lib/systemd/system/sssd.service; enabled; vendor preset: disabled)
  Drop-In: /etc/systemd/system/sssd.service.d
           └─journal.conf
   Active: active (running) since Thu 2020-04-09 09:02:52 EDT; 29ms ago
  Process: 28599 ExecStart=/usr/sbin/sssd -D -f (code=exited, status=0/SUCCESS)
 Main PID: 28600 (sssd)
   CGroup: /system.slice/sssd.service
           ├─28600 /usr/sbin/sssd -D -f
           ├─28601 /usr/libexec/sssd/sssd_be --domain testrealm.test --uid 0 --gid 0 --debug-to-files
           ├─28603 /usr/libexec/sssd/sssd_nss --uid 0 --gid 0 --debug-to-files
           ├─28604 /usr/libexec/sssd/sssd_sudo --uid 0 --gid 0 --debug-to-files
           ├─28605 /usr/libexec/sssd/sssd_pam --uid 0 --gid 0 --debug-to-files
           ├─28606 /usr/libexec/sssd/sssd_ssh --uid 0 --gid 0 --debug-to-files
           └─28607 /usr/libexec/sssd/sssd_pac --uid 0 --gid 0 --debug-to-files

Apr 09 09:02:52 master.testrealm.test sssd[28600]: Starting up
Apr 09 09:02:52 master.testrealm.test sssd[be[testrealm.test]][28601]: Starting up
Apr 09 09:02:52 master.testrealm.test sssd[ssh][28606]: Starting up
Apr 09 09:02:52 master.testrealm.test sssd[pac][28607]: Starting up
Apr 09 09:02:52 master.testrealm.test sssd[nss][28603]: Starting up
Apr 09 09:02:52 master.testrealm.test sssd[sudo][28604]: Starting up
Apr 09 09:02:52 master.testrealm.test sssd[pam][28605]: Starting up
Apr 09 09:02:52 master.testrealm.test systemd[1]: Started System Security Services Daemon.
Apr 09 09:02:52 master.testrealm.test sssd_be[28601]: GSSAPI client step 1
Apr 09 09:02:52 master.testrealm.test sssd_be[28601]: GSSAPI client step 1
+ ipa user-show u1
+ grep group
  Member of groups: a, ipausers
  Indirect Member of group: b, c
[root@ci-vm-10-0-137-106 ~]# systemctl stop sssd; find /var/lib/sss/ ! -type d -delete; systemctl start sssd
[root@ci-vm-10-0-137-106 ~]# 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-10-0-137-106 ~]# systemctl stop sssd; find /var/lib/sss/ ! -type d -delete; systemctl start sssd
[root@ci-vm-10-0-137-106 ~]# sss_cache -E; systemctl restart sssd
No cache object matched the specified search
[root@ci-vm-10-0-137-106 ~]# ipa group-add-member --users=u1 b
  Group name: b
  GID: 836400004
  Member users: u1
  Member groups: a
  Member of groups: c
-------------------------
Number of members added 1
-------------------------

on client:

[root@ci-vm-10-0-136-89 ~]# kinit admin
Password for admin: 
[root@ci-vm-10-0-136-89 ~]# 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-10-0-137-106 ~]# sss_cache -E; systemctl restart sssd
No cache object matched the specified search
[root@ci-vm-10-0-137-106 ~]# ipa group-remove-member --users=u1 b
  Group name: b
  GID: 836400004
  Member groups: a
  Member of groups: c
  Indirect Member users: u1
---------------------------
Number of members removed 1
---------------------------

on client:

[root@ci-vm-10-0-136-89 ~]# sss_cache -E; systemctl restart sssd
[root@ci-vm-10-0-136-89 ~]# ssh -q u1.test groups
Password: 
Could not chdir to home directory /home/u1: No such file or directory
u1 a b c
[root@ci-vm-10-0-136-89 ~]#

Group b present

Verification for scenario mentioned in https://bugzilla.redhat.com/show_bug.cgi?id=1782087#c0

[root@ci-vm-10-0-137-106 ~]# 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: 836400006
  GID: 836400006
  Password: False
  Member of groups: ipausers
  Kerberos keys available: False
[root@ci-vm-10-0-137-106 ~]# ipa group-add child1
--------------------
Added group "child1"
--------------------
  Group name: child1
  GID: 836400007
[root@ci-vm-10-0-137-106 ~]# ipa group-add child2
--------------------
Added group "child2"
--------------------
  Group name: child2
  GID: 836400008
[root@ci-vm-10-0-137-106 ~]# ipa group-add parent
--------------------
Added group "parent"
--------------------
  Group name: parent
  GID: 836400009
[root@ci-vm-10-0-137-106 ~]# ipa group-add-member parent --group child1
  Group name: parent
  GID: 836400009
  Member groups: child1
-------------------------
Number of members added 1
-------------------------
[root@ci-vm-10-0-137-106 ~]# ipa group-add-member parent --group child2
  Group name: parent
  GID: 836400009
  Member groups: child1, child2
-------------------------
Number of members added 1
-------------------------
[root@ci-vm-10-0-137-106 ~]# ipa group-add-member child1 --user user1
  Group name: child1
  GID: 836400007
  Member users: user1
  Member of groups: parent
-------------------------
Number of members added 1
-------------------------
[root@ci-vm-10-0-137-106 ~]# ipa group-add-member child2 --user user1
  Group name: child2
  GID: 836400008
  Member users: user1
  Member of groups: parent
-------------------------
Number of members added 1
-------------------------
[root@ci-vm-10-0-137-106 ~]# sss_cache -E; systemctl restart sssd
No cache object matched the specified search
[root@ci-vm-10-0-137-106 ~]# id user1
uid=836400006(user1) gid=836400006(user1) groups=836400006(user1),836400009(parent),836400008(child2),836400007(child1)
[root@ci-vm-10-0-137-106 ~]# sss_cache -E; systemctl restart sssd
[root@ci-vm-10-0-137-106 ~]# getent group parent
parent:*:836400009:user1
[root@ci-vm-10-0-137-106 ~]# sss_cache -E; systemctl restart sssd
[root@ci-vm-10-0-137-106 ~]# 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: 836400006
  GID: 836400006
  Account disabled: False
  Password: False
  Member of groups: ipausers, child1, child2
  Indirect Member of group: parent
  Kerberos keys available: False
[root@ci-vm-10-0-137-106 ~]# ipa group-remove-member parent --group child1
  Group name: parent
  GID: 836400009
  Member groups: child2
  Indirect Member users: user1
---------------------------
Number of members removed 1
---------------------------
[root@ci-vm-10-0-137-106 ~]# sss_cache -E; systemctl restart sssd
[root@ci-vm-10-0-137-106 ~]# id user1
uid=836400006(user1) gid=836400006(user1) groups=836400006(user1),836400007(child1),836400008(child2),836400009(parent)            <--------- Parent present 
[root@ci-vm-10-0-137-106 ~]# sss_cache -E; systemctl restart sssd
[root@ci-vm-10-0-137-106 ~]# getent group parent
parent:*:836400009:user1                                                                                                  <---------------- user1 present
[root@ci-vm-10-0-137-106 ~]# sss_cache -E; systemctl restart sssd
[root@ci-vm-10-0-137-106 ~]# 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: 836400006
  GID: 836400006
  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-10-0-137-106 ~]# 



Based on above observations marking the bugzilla verified.
Comment 12 errata-xmlrpc 2020-04-14 14:52:20 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-2020:1474