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Bug 1817376

Summary:	Removing an IPA sub-group should NOT remove the members from indirect parent that also belong to other subgroups [rhel-7.5.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-1.16.0-19.el7_5.9	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:	1782087	Environment:
Last Closed:	2020-04-01 01:59:39 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 09:08:16 UTC

This bug has been copied from bug #1782087 and has been proposed to be backported to 7.5 z-stream (EUS).

Comment 3 Alexey Tikhonov 2020-03-26 10:05:08 UTC

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

Comment 10 Sumedh Sidhaye 2020-03-30 11:23:07 UTC

Reproducer:


On Server:

[root@ci-vm-10-0-139-88 test]# rpm -q ipa-server sssd; cat /etc/redhat-release
ipa-server-4.5.0-20.el7.x86_64
sssd-1.15.2-50.el7.x86_64
Red Hat Enterprise Linux Server release 7.4 (Maipo)
[root@ci-vm-10-0-139-88 test]#
Client:

[root@ci-vm-10-0-139-54 test]# rpm -q ipa-server sssd; cat /etc/redhat-release 
package ipa-server is not installed
sssd-1.15.2-50.el7.x86_64
Red Hat Enterprise Linux Server release 7.4 (Maipo)
[root@ci-vm-10-0-139-54 test]# 



on master

[root@ci-vm-10-0-139-88 test]# kinit admin
Password for admin: 
[root@ci-vm-10-0-139-88 test]# klist
Ticket cache: KEYRING:persistent:0:0
Default principal: admin

Valid starting       Expires              Service principal
2020-03-30T07:04:37  2020-03-31T07:04:34  krbtgt/TESTREALM.TEST
[root@ci-vm-10-0-139-88 test]# 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:GC8yztjxRmCWV9w+PY62tgFBT6/mWsrPlxm2ZsFOzXE (ssh-rsa), SHA256:76FAqi087orDgFi+lcxMQIsI6QAxkfjs9wRBcbGzsZ8
                              (ecdsa-sha2-nistp256), SHA256:KDTHLPnkdu4stBXzW7GoHypgWOmK+eRpgPkoIWXnBQs (ssh-ed25519)

  Host name: master.testrealm.test
  Principal name: host/master.testrealm.test
  Principal alias: host/master.testrealm.test
  SSH public key fingerprint: SHA256:GC8yztjxRmCWV9w+PY62tgFBT6/mWsrPlxm2ZsFOzXE (ssh-rsa), SHA256:76FAqi087orDgFi+lcxMQIsI6QAxkfjs9wRBcbGzsZ8
                              (ecdsa-sha2-nistp256), SHA256:KDTHLPnkdu4stBXzW7GoHypgWOmK+eRpgPkoIWXnBQs (ssh-ed25519)
----------------------------
Number of entries returned 2
----------------------------
[root@ci-vm-10-0-139-88 test]# 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-10-0-139-88 test]# 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: 503400001
  GID: 503400001
  Password: False
  Member of groups: ipausers
  Kerberos keys available: False
[root@ci-vm-10-0-139-88 test]# ipa passwd u1
New Password: 
Enter New Password again to verify: 
  ** Passwords do not match! **
New Password: 
Enter New Password again to verify: 
----------------------------------------
Changed password for "u1"
----------------------------------------
[root@ci-vm-10-0-139-88 test]# ipa group-add a
---------------
Added group "a"
---------------
  Group name: a
  GID: 503400003
[root@ci-vm-10-0-139-88 test]# ipa group-add b
---------------
Added group "b"
---------------
  Group name: b
  GID: 503400004
[root@ci-vm-10-0-139-88 test]# ipa group-add c
---------------
Added group "c"
---------------
  Group name: c
  GID: 503400005
[root@ci-vm-10-0-139-88 test]# ipa group-add-member --groups=a b
  Group name: b
  GID: 503400004
  Member groups: a
-------------------------
Number of members added 1
-------------------------
[root@ci-vm-10-0-139-88 test]# ipa group-add-member --groups=b c
  Group name: c
  GID: 503400005
  Member groups: b
  Indirect Member groups: a
-------------------------
Number of members added 1
-------------------------
[root@ci-vm-10-0-139-88 test]# $ ipa group-add-member --users=u1 a
bash: $: command not found
[root@ci-vm-10-0-139-88 test]# ipa group-add-member --users=u1 a
  Group name: a
  GID: 503400003
  Member users: u1
  Member of groups: b
  Indirect Member of group: c
-------------------------
Number of members added 1
-------------------------
[root@ci-vm-10-0-139-88 test]# ipa user-show u1 | grep group
  Member of groups: a, ipausers
  Indirect Member of group: b, c
[root@ci-vm-10-0-139-88 test]# service sssd stop 
Redirecting to /bin/systemctl stop sssd.service
[root@ci-vm-10-0-139-88 test]# find /var/lib/sss/ ! -type d -delete
[root@ci-vm-10-0-139-88 test]# service sssd start
Redirecting to /bin/systemctl start sssd.service
[root@ci-vm-10-0-139-88 test]# ssh -q u1.test groups
Password: 
Password expired. Change your password now.
Current Password: 
New password: 
Retype new password: 
Sorry, passwords do not match.
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-10-0-139-88 test]# ipa group-add-member --users=u1 b
  Group name: b
  GID: 503400004
  Member users: u1
  Member groups: a
  Member of groups: c
-------------------------
Number of members added 1
-------------------------


On Client:

[root@ci-vm-10-0-139-54 test]# ssh -q u1.test groups
Password: 
u1 a b c
Could not chdir to home directory /home/u1: No such file or directory


On Master:

[root@ci-vm-10-0-139-88 test]# ipa group-remove-member --users=u1 b
  Group name: b
  GID: 503400004
  Member groups: a
  Member of groups: c
  Indirect Member users: u1
---------------------------
Number of members removed 1
---------------------------
[root@ci-vm-10-0-139-88 test]# sss_cache -E; systemctl restart sssd
[root@ci-vm-10-0-139-88 test]# systectl status sssd
bash: systectl: command not found
[root@ci-vm-10-0-139-88 test]# 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 Mon 2020-03-30 07:09:40 EDT; 10s ago
 Main PID: 15398 (sssd)
   CGroup: /system.slice/sssd.service
           ├─15398 /usr/sbin/sssd -i -f
           ├─15399 /usr/libexec/sssd/sssd_be --domain testrealm.test --uid 0 --gid 0 --debug-to-files
           ├─15400 /usr/libexec/sssd/sssd_sudo --uid 0 --gid 0 --debug-to-files
           ├─15401 /usr/libexec/sssd/sssd_nss --uid 0 --gid 0 --debug-to-files
           ├─15402 /usr/libexec/sssd/sssd_ifp --uid 0 --gid 0 --debug-to-files
           ├─15403 /usr/libexec/sssd/sssd_pam --uid 0 --gid 0 --debug-to-files
           ├─15404 /usr/libexec/sssd/sssd_ssh --uid 0 --gid 0 --debug-to-files
           └─15405 /usr/libexec/sssd/sssd_pac --uid 0 --gid 0 --debug-to-files

Mar 30 07:09:40 master.testrealm.test sssd[pam][15403]: Starting up
Mar 30 07:09:40 master.testrealm.test sssd[nss][15401]: Starting up
Mar 30 07:09:40 master.testrealm.test sssd[ssh][15404]: Starting up
Mar 30 07:09:40 master.testrealm.test sssd[pac][15405]: Starting up
Mar 30 07:09:40 master.testrealm.test sssd[sudo][15400]: Starting up
Mar 30 07:09:40 master.testrealm.test sssd_be[15399]: GSSAPI client step 1
Mar 30 07:09:40 master.testrealm.test sssd_be[15399]: GSSAPI client step 1
Mar 30 07:09:40 master.testrealm.test sssd_be[15399]: GSSAPI client step 1
Mar 30 07:09:40 master.testrealm.test systemd[1]: Started System Security Services Daemon.
Mar 30 07:09:40 master.testrealm.test sssd_be[15399]: GSSAPI client step 2
[root@ci-vm-10-0-139-88 test]#



On Client:

[root@ci-vm-10-0-139-54 test]# ssh -q u1.test groups
Password: 
Could not chdir to home directory /home/u1: No such file or directory
u1 a c
[root@ci-vm-10-0-139-54 test]# 



Group b is not present



Verification:



on master
     
[root@master ~]# rpm -q ipa-server sssd
ipa-server-4.5.4-10.el7.x86_64
sssd-1.16.0-19.el7_5.9.x86_64
[root@master ~]# cat /etc/redhat-release
Red Hat Enterprise Linux Server release 7.5 (Maipo)
[root@master ~]#

[root@master ~]# 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@master ~]# 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: 1315800001
GID: 1315800001
Password: False
Member of groups: ipausers
Kerberos keys available: False
[root@master ~]# ipa passwd u1
New Password:
Enter New Password again to verify:
----------------------------------------
Changed password for "u1"
----------------------------------------
[root@master ~]# ipa group-add a
---------------
Added group "a"
---------------
Group name: a
GID: 1315800003
[root@master ~]# ipa group-add b
---------------
Added group "b"
---------------
Group name: b
GID: 1315800004
[root@master ~]# ipa group-add c
---------------
Added group "c"
---------------
Group name: c
GID: 1315800005
[root@master ~]# ipa group-add-member --groups=a b
Group name: b
GID: 1315800004
Member groups: a
-------------------------
Number of members added 1
-------------------------
[root@master ~]# ipa group-add-member --groups=b c
Group name: c
GID: 1315800005
Member groups: b
Indirect Member groups: a
-------------------------
Number of members added 1
-------------------------
[root@master ~]# ipa group-add-member --users=u1 a
Group name: a
GID: 1315800003
Member users: u1
Member of groups: b
Indirect Member of group: c
-------------------------
Number of members added 1
-------------------------
[root@master ~]# ipa user-show u1 | grep group
Member of groups: a, ipausers
Indirect Member of group: b, c
[root@master ~]# find /var/lib/sss/ ! -type d -delete
[root@master ~]# service sssd start
Redirecting to /bin/systemctl start sssd.service
[root@master ~]# systemctl status sssd
● sssd.service - System Security Services Daemon
Loaded: loaded (/usr/lib/systemd/system/sssd.service; enabled; vendor preset: disabled)
Active: active (running) since Mon 2020-03-30 15:14:43 IST; 5s ago
Main PID: 4927 (sssd)
CGroup: /system.slice/sssd.service
       ├─4927 /usr/sbin/sssd -i --logger=files
       ├─4928 /usr/libexec/sssd/sssd_be --domain testrealm.test --uid 0 --gid 0 --logger=files
       ├─4929 /usr/libexec/sssd/sssd_sudo --uid 0 --gid 0 --logger=files
       ├─4930 /usr/libexec/sssd/sssd_nss --uid 0 --gid 0 --logger=files
       ├─4931 /usr/libexec/sssd/sssd_ifp --uid 0 --gid 0 --logger=files
       ├─4932 /usr/libexec/sssd/sssd_pam --uid 0 --gid 0 --logger=files
       ├─4933 /usr/libexec/sssd/sssd_ssh --uid 0 --gid 0 --logger=files
       └─4934 /usr/libexec/sssd/sssd_pac --uid 0 --gid 0 --logger=files

Mar 30 15:14:43 master.testrealm.test sssd[sudo][4929]: Starting up
Mar 30 15:14:43 master.testrealm.test sssd[ifp][4931]: Starting up
Mar 30 15:14:43 master.testrealm.test sssd[ssh][4933]: Starting up
Mar 30 15:14:43 master.testrealm.test sssd[pam][4932]: Starting up
Mar 30 15:14:43 master.testrealm.test sssd[pac][4934]: Starting up
Mar 30 15:14:43 master.testrealm.test sssd_be[4928]: GSSAPI client step 1
Mar 30 15:14:43 master.testrealm.test sssd_be[4928]: GSSAPI client step 1
Mar 30 15:14:43 master.testrealm.test sssd_be[4928]: GSSAPI client step 1
Mar 30 15:14:43 master.testrealm.test sssd_be[4928]: GSSAPI client step 2
Mar 30 15:14:43 master.testrealm.test systemd[1]: Started System Security Services Daemon.
[root@master ~]# 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@master ~]# ipa group-add-member --users=u1 b
Group name: b
GID: 1315800004
Member users: u1
Member groups: a
Member of groups: c
-------------------------
Number of members added 1
-------------------------

On CLient
[root@gizmo ~]# rpm -q ipa-server sssd; cat /etc/redhat-release 
ipa-server-4.5.4-10.el7.x86_64
sssd-1.16.0-19.el7_5.9.x86_64
Red Hat Enterprise Linux Server release 7.5 (Maipo)
[root@gizmo ~]#
     
[root@gizmo ~]# ssh -q u1.test groups
Password:
Could not chdir to home directory /home/u1: No such file or directory
u1 a b c


On Server
[root@master ~]#  ipa group-remove-member --users=u1 b
Group name: b
GID: 1315800004
Member groups: a
Member of groups: c
Indirect Member users: u1
---------------------------
Number of members removed 1
---------------------------
[root@master ~]# sss_cache -E
[root@master ~]# systemctl restart sssd


on Client

[root@gizmo ~]# 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




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



[root@master ~]# rpm -q ipa-server sssd
ipa-server-4.5.4-10.el7.x86_64
sssd-1.16.0-19.el7_5.9.x86_64
[root@master ~]# cat /etc/redhat-release
Red Hat Enterprise Linux Server release 7.5 (Maipo)
[root@master ~]#

[root@master ~]# klist
Ticket cache: KEYRING:persistent:0:0
Default principal: admin

Valid starting       Expires              Service principal
2020-03-30T15:15:50  2020-03-31T14:59:46  host/client.testrealm.test
2020-03-30T15:03:12  2020-03-31T14:59:46  HTTP/master.testrealm.test
2020-03-30T14:59:48  2020-03-31T14:59:46  krbtgt/TESTREALM.TEST
[root@master ~]# ipa user-find
---------------
2 users matched
---------------
User login: admin
Last name: Administrator
Home directory: /home/admin
Login shell: /bin/bash
Principal alias: admin
UID: 1315800000
GID: 1315800000
Account disabled: False

User login: u1
First name: u
Last name: 1
Home directory: /home/u1
Login shell: /bin/sh
Principal name: u1
Principal alias: u1
Email address: u1
UID: 1315800001
GID: 1315800001
Account disabled: False
----------------------------
Number of entries returned 2
----------------------------
[root@master ~]# ipa user-add user1

[root@master ~]# klist
Ticket cache: KEYRING:persistent:0:0
Default principal: admin

Valid starting       Expires              Service principal
2020-03-30T15:15:50  2020-03-31T14:59:46  host/client.testrealm.test
2020-03-30T15:03:12  2020-03-31T14:59:46  HTTP/master.testrealm.test
2020-03-30T14:59:48  2020-03-31T14:59:46  krbtgt/TESTREALM.TEST
[root@master ~]# ipa user-add user1
First name: user
Last name: 1
------------------
Added user "user1"
------------------
User login: user1
First name: user
Last name: 1
Full name: user 1
Display name: user 1
Initials: u1
Home directory: /home/user1
GECOS: user 1
Login shell: /bin/sh
Principal name: user1
Principal alias: user1
Email address: user1
UID: 1315800006
GID: 1315800006
Password: False
Member of groups: ipausers
Kerberos keys available: False
[root@master ~]# ipa group-add child1
--------------------
Added group "child1"
--------------------
Group name: child1
GID: 1315800007
[root@master ~]# ipa group-add child2
--------------------
Added group "child2"
--------------------
Group name: child2
GID: 1315800008
[root@master ~]# ipa group-add parent
--------------------
Added group "parent"
--------------------
Group name: parent
GID: 1315800009
[root@master ~]# ipa group-add-member parent --group child1
Group name: parent
GID: 1315800009
Member groups: child1
-------------------------
Number of members added 1
-------------------------
[root@master ~]# ipa group-add-member parent --group child2
Group name: parent
GID: 1315800009
Member groups: child1, child2
-------------------------
Number of members added 1
-------------------------
[root@master ~]# ipa group-add-member child1 --user user1
Group name: child1
GID: 1315800007
Member users: user1
Member of groups: parent
-------------------------
Number of members added 1
-------------------------
[root@master ~]# ipa group-add-member child2 --user user1
Group name: child2
GID: 1315800008
Member users: user1
Member of groups: parent
-------------------------
Number of members added 1
-------------------------
[root@master ~]# sss_cache -E
[root@master ~]# id user1
uid=1315800006(user1) gid=1315800006(user1) groups=1315800006(user1),1315800009(parent),1315800008(child2),1315800007(child1)
[root@master ~]# sss_cache -E
[root@master ~]# getent group parent
parent:*:1315800009:user1
[root@master ~]# sss_cache -E
[root@master ~]#    ipa user-show user1
User login: user1
First name: user
Last name: 1
Home directory: /home/user1
Login shell: /bin/sh
Principal name: user1
Principal alias: user1
Email address: user1
UID: 1315800006
GID: 1315800006
Account disabled: False
Password: False
Member of groups: ipausers, child1, child2
Indirect Member of group: parent
Kerberos keys available: False
[root@master ~]# ipa group-remove-member parent --group child1
Group name: parent
GID: 1315800009
Member groups: child2
Indirect Member users: user1
---------------------------
Number of members removed 1
---------------------------
[root@master ~]# sss_cache -E
[root@master ~]# id user1
uid=1315800006(user1) gid=1315800006(user1) groups=1315800006(user1),1315800007(child1),1315800008(child2),1315800009(parent)           <---------------    parent present
[root@master ~]# sss_cache -E
[root@master ~]# getent group parent
parent:*:1315800009:user1                                                                <------------------------------------ user1 present
[root@master ~]# sss_cache -E
[root@master ~]# ipa user-show user1
User login: user1
First name: user
Last name: 1
Home directory: /home/user1
Login shell: /bin/sh
Principal name: user1
Principal alias: user1
Email address: user1
UID: 1315800006
GID: 1315800006
Account disabled: False
Password: False
Member of groups: ipausers, child1, child2
Indirect Member of group: parent                                                          <---------------------------- parent present
Kerberos keys available: False
[root@master ~]#

Comment 12 errata-xmlrpc 2020-04-01 01:59:39 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-2020:1254