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Bug 1817375

Summary: Removing an IPA sub-group should NOT remove the members from indirect parent that also belong to other subgroups [rhel-7.4.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-1.15.2-50.el7_4.15 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: 1782087 Environment:
Last Closed: 2020-05-19 14:40:59 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 09:07:43 UTC 
This bug has been copied from bug #1782087 and has been proposed to be backported to 7.4 z-stream (EUS).
Comment 4 Alexey Tikhonov 2020-04-02 16:06:41 UTC 
* `sssd-1-16`
    * 9a7c044dcd17b23127ddda25ff9cddc9c67fe4ca - memberof: keep memberOf attribute for nested member
Comment 7 Sumedh Sidhaye 2020-05-15 06:20:40 UTC 
Reproducer:


master
[root@ci-vm-10-0-137-74 ~]# rpm -q ipa-server sssd
ipa-server-4.5.0-20.el7.x86_64
sssd-1.15.2-50.el7.x86_64
[root@ci-vm-10-0-137-74 ~]# cat /etc/redhat-release 
Red Hat Enterprise Linux Server release 7.4 (Maipo)
[root@ci-vm-10-0-137-74 ~]# 



client

[root@ci-vm-10-0-136-184 ~]# rpm -q ipa-client sssd; cat /etc/redhat-release 
ipa-client-4.5.0-20.el7.x86_64
sssd-1.15.2-50.el7.x86_64
Red Hat Enterprise Linux Server release 7.4 (Maipo)


on master:

[root@ci-vm-10-0-137-74 ~]# kinit admin
Password for admin: 
[root@ci-vm-10-0-137-74 ~]# vim test.sh
[root@ci-vm-10-0-137-74 ~]# 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: 1142600001
  GID: 1142600001
  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: 1142600003
+ ipa group-add b
---------------
Added group "b"
---------------
  Group name: b
  GID: 1142600004
+ ipa group-add c
---------------
Added group "c"
---------------
  Group name: c
  GID: 1142600005
+ ipa group-add-member --groups=a b
  Group name: b
  GID: 1142600004
  Member groups: a
-------------------------
Number of members added 1
-------------------------
+ ipa group-add-member --groups=b c
  Group name: c
  GID: 1142600005
  Member groups: b
  Indirect Member groups: a
-------------------------
Number of members added 1
-------------------------
+ ipa group-add-member --users=u1 a
  Group name: a
  GID: 1142600003
  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-10-0-137-74 ~]# systemctl stop sssd; find /var/lib/sss/ ! -type d -delete; systemctl start sssd
[root@ci-vm-10-0-137-74 ~]# 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 Fri 2020-05-15 01:47:52 EDT; 5s ago
 Main PID: 15176 (sssd)
   CGroup: /system.slice/sssd.service
           ├─15176 /usr/sbin/sssd -i -f
           ├─15177 /usr/libexec/sssd/sssd_be --domain testrealm.test --uid 0 --gid 0 --debug-to-files
           ├─15178 /usr/libexec/sssd/sssd_sudo --uid 0 --gid 0 --debug-to-files
           ├─15179 /usr/libexec/sssd/sssd_nss --uid 0 --gid 0 --debug-to-files
           ├─15180 /usr/libexec/sssd/sssd_ifp --uid 0 --gid 0 --debug-to-files
           ├─15181 /usr/libexec/sssd/sssd_pam --uid 0 --gid 0 --debug-to-files
           ├─15182 /usr/libexec/sssd/sssd_ssh --uid 0 --gid 0 --debug-to-files
           └─15183 /usr/libexec/sssd/sssd_pac --uid 0 --gid 0 --debug-to-files

May 15 01:47:52 master.testrealm.test sssd[pam][15181]: Starting up
May 15 01:47:52 master.testrealm.test sssd[sudo][15178]: Starting up
May 15 01:47:52 master.testrealm.test sssd[nss][15179]: Starting up
May 15 01:47:52 master.testrealm.test sssd[ssh][15182]: Starting up
May 15 01:47:52 master.testrealm.test sssd[pac][15183]: Starting up
May 15 01:47:52 master.testrealm.test sssd_be[15177]: GSSAPI client step 1
May 15 01:47:52 master.testrealm.test sssd_be[15177]: GSSAPI client step 1
May 15 01:47:52 master.testrealm.test systemd[1]: Started System Security Services Daemon.
May 15 01:47:52 master.testrealm.test sssd_be[15177]: GSSAPI client step 1
May 15 01:47:52 master.testrealm.test sssd_be[15177]: GSSAPI client step 2
[root@ci-vm-10-0-137-74 ~]# 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-10-0-137-74 ~]# ipa group-add-member --users=u1 b
  Group name: b
  GID: 1142600004
  Member users: u1
  Member groups: a
  Member of groups: c
-------------------------
Number of members added 1
-------------------------



on client:

[root@ci-vm-10-0-136-184 ~]# 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-10-0-137-74 ~]# ipa group-remove-member --users=u1 b
  Group name: b
  GID: 1142600004
  Member groups: a
  Member of groups: c
  Indirect Member users: u1
---------------------------
Number of members removed 1
---------------------------


on client:

[root@ci-vm-10-0-136-184 ~]# ssh -q u1.test groups
Password: 
Could not chdir to home directory /home/u1: No such file or directory
u1 a c




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


[root@ci-vm-10-0-137-74 ~]# sh +x test2.sh 
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: 1142600006
  GID: 1142600006
  Password: False
  Member of groups: ipausers
  Kerberos keys available: False
--------------------
Added group "child1"
--------------------
  Group name: child1
  GID: 1142600007
--------------------
Added group "child2"
--------------------
  Group name: child2
  GID: 1142600008
--------------------
Added group "parent"
--------------------
  Group name: parent
  GID: 1142600009
  Group name: parent
  GID: 1142600009
  Member groups: child1
-------------------------
Number of members added 1
-------------------------
  Group name: parent
  GID: 1142600009
  Member groups: child1, child2
-------------------------
Number of members added 1
-------------------------
  Group name: child1
  GID: 1142600007
  Member users: user1
  Member of groups: parent
-------------------------
Number of members added 1
-------------------------
  Group name: child2
  GID: 1142600008
  Member users: user1
  Member of groups: parent
-------------------------
Number of members added 1
-------------------------
[root@ci-vm-10-0-137-74 ~]# sss_cache -E
[root@ci-vm-10-0-137-74 ~]# id user1
uid=1142600006(user1) gid=1142600006(user1) groups=1142600006(user1),1142600009(parent),1142600008(child2),1142600007(child1)
[root@ci-vm-10-0-137-74 ~]# sss_cache -E
[root@ci-vm-10-0-137-74 ~]# getent group parent
parent:*:1142600009:user1
[root@ci-vm-10-0-137-74 ~]# sss_cache -E
[root@ci-vm-10-0-137-74 ~]# 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: 1142600006
  GID: 1142600006
  Account disabled: False
  Password: False
  Member of groups: ipausers, child1, child2
  Indirect Member of group: parent
  Kerberos keys available: False
[root@ci-vm-10-0-137-74 ~]# sss_cache -E
[root@ci-vm-10-0-137-74 ~]# ipa group-remove-member parent --group child1
  Group name: parent
  GID: 1142600009
  Member groups: child2
  Indirect Member users: user1
---------------------------
Number of members removed 1
---------------------------
[root@ci-vm-10-0-137-74 ~]# sss_cache -E
[root@ci-vm-10-0-137-74 ~]# id user1
uid=1142600006(user1) gid=1142600006(user1) groups=1142600006(user1),1142600007(child1),1142600008(child2)
[root@ci-vm-10-0-137-74 ~]# sss_cache -E
[root@ci-vm-10-0-137-74 ~]# getent group parent
parent:*:1142600009:
[root@ci-vm-10-0-137-74 ~]# sss_cache -E
[root@ci-vm-10-0-137-74 ~]# 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: 1142600006
  GID: 1142600006
  Account disabled: False
  Password: False
  Member of groups: ipausers, child1, child2
  Indirect Member of group: parent
  Kerberos keys available: False




Verification:

master:

[root@ci-vm-10-0-136-92 ~]# rpm -q ipa-server sssd; cat /etc/redhat-release 
ipa-server-4.5.0-20.el7.x86_64
sssd-1.15.2-50.el7_4.15.x86_64
Red Hat Enterprise Linux Server release 7.4 (Maipo)

client:
[root@ci-vm-10-0-137-155 ~]# rpm -q ipa-client sssd; cat /etc/redhat-release 
ipa-client-4.5.0-20.el7.x86_64
sssd-1.15.2-50.el7_4.15.x86_64
Red Hat Enterprise Linux Server release 7.4 (Maipo)

on master:

[root@ci-vm-10-0-136-92 ~]# kinit admin
Password for admin: 
[root@ci-vm-10-0-136-92 ~]# klist
Ticket cache: KEYRING:persistent:0:0
Default principal: admin

Valid starting       Expires              Service principal
2020-05-15T02:10:06  2020-05-16T02:10:03  krbtgt/TESTREALM.TEST
[root@ci-vm-10-0-136-92 ~]# sh +x test.sh 
----------------------------
Added HBAC rule "any_to_any"
----------------------------
  Rule name: any_to_any
  User category: all
  Host category: all
  Service category: all
  Enabled: TRUE
---------------
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: 1975600001
  GID: 1975600001
  Password: False
  Member of groups: ipausers
  Kerberos keys available: False
New Password: 
Enter New Password again to verify: 
----------------------------------------
Changed password for "u1"
----------------------------------------
---------------
Added group "a"
---------------
  Group name: a
  GID: 1975600003
---------------
Added group "b"
---------------
  Group name: b
  GID: 1975600004
---------------
Added group "c"
---------------
  Group name: c
  GID: 1975600005
  Group name: b
  GID: 1975600004
  Member groups: a
-------------------------
Number of members added 1
-------------------------
  Group name: c
  GID: 1975600005
  Member groups: b
  Indirect Member groups: a
-------------------------
Number of members added 1
-------------------------
  Group name: a
  GID: 1975600003
  Member users: u1
  Member of groups: b
  Indirect Member of group: c
-------------------------
Number of members added 1
-------------------------
  Member of groups: a, ipausers
  Indirect Member of group: b, c
[root@ci-vm-10-0-136-92 ~]# systemctl stop sssd; find /var/lib/sss/ ! -type d -delete; systemctl start sssd
[root@ci-vm-10-0-136-92 ~]# 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 Fri 2020-05-15 02:11:03 EDT; 5s ago
 Main PID: 15215 (sssd)
   CGroup: /system.slice/sssd.service
           ├─15215 /usr/sbin/sssd -i -f
           ├─15216 /usr/libexec/sssd/sssd_be --domain testrealm.test --uid 0 --gid 0 --debug-to-files
           ├─15217 /usr/libexec/sssd/sssd_sudo --uid 0 --gid 0 --debug-to-files
           ├─15218 /usr/libexec/sssd/sssd_nss --uid 0 --gid 0 --debug-to-files
           ├─15219 /usr/libexec/sssd/sssd_ifp --uid 0 --gid 0 --debug-to-files
           ├─15220 /usr/libexec/sssd/sssd_pam --uid 0 --gid 0 --debug-to-files
           ├─15221 /usr/libexec/sssd/sssd_ssh --uid 0 --gid 0 --debug-to-files
           └─15222 /usr/libexec/sssd/sssd_pac --uid 0 --gid 0 --debug-to-files

May 15 02:11:03 master.testrealm.test sssd[pac][15222]: Starting up
May 15 02:11:03 master.testrealm.test sssd[nss][15218]: Starting up
May 15 02:11:03 master.testrealm.test sssd[ssh][15221]: Starting up
May 15 02:11:03 master.testrealm.test sssd[ifp][15219]: Starting up
May 15 02:11:03 master.testrealm.test sssd[sudo][15217]: Starting up
May 15 02:11:03 master.testrealm.test sssd_be[15216]: GSSAPI client step 1
May 15 02:11:03 master.testrealm.test sssd_be[15216]: GSSAPI client step 1
May 15 02:11:03 master.testrealm.test sssd_be[15216]: GSSAPI client step 1
May 15 02:11:03 master.testrealm.test systemd[1]: Started System Security Services Daemon.
May 15 02:11:03 master.testrealm.test sssd_be[15216]: GSSAPI client step 2


[root@ci-vm-10-0-136-92 ~]# 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-10-0-136-92 ~]# ipa group-add-member --users=u1 b
  Group name: b
  GID: 1975600004
  Member users: u1
  Member groups: a
  Member of groups: c
-------------------------
Number of members added 1
-------------------------

on client:

[root@ci-vm-10-0-137-155 ~]# 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-10-0-136-92 ~]# ipa group-remove-member --users=u1 b
  Group name: b
  GID: 1975600004
  Member groups: a
  Member of groups: c
  Indirect Member users: u1
---------------------------
Number of members removed 1
---------------------------


on client:

[root@ci-vm-10-0-137-155 ~]# ssh -q u1.test groups
Password: 
u1 a b c
Could not chdir to home directory /home/u1: No such file or directory



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


[root@ci-vm-10-0-136-92 ~]# sh +x test2.sh 
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: 1975600006
  GID: 1975600006
  Password: False
  Member of groups: ipausers
  Kerberos keys available: False
--------------------
Added group "child1"
--------------------
  Group name: child1
  GID: 1975600007
--------------------
Added group "child2"
--------------------
  Group name: child2
  GID: 1975600008
--------------------
Added group "parent"
--------------------
  Group name: parent
  GID: 1975600009
  Group name: parent
  GID: 1975600009
  Member groups: child1
-------------------------
Number of members added 1
-------------------------
  Group name: parent
  GID: 1975600009
  Member groups: child1, child2
-------------------------
Number of members added 1
-------------------------
  Group name: child1
  GID: 1975600007
  Member users: user1
  Member of groups: parent
-------------------------
Number of members added 1
-------------------------
  Group name: child2
  GID: 1975600008
  Member users: user1
  Member of groups: parent
-------------------------
Number of members added 1
-------------------------
[root@ci-vm-10-0-136-92 ~]# sss_cache -E
[root@ci-vm-10-0-136-92 ~]# id user1
uid=1975600006(user1) gid=1975600006(user1) groups=1975600006(user1),1975600009(parent),1975600008(child2),1975600007(child1)
[root@ci-vm-10-0-136-92 ~]# sss_cache -E
[root@ci-vm-10-0-136-92 ~]# getent group parent
parent:*:1975600009:user1
[root@ci-vm-10-0-136-92 ~]# sss_cache -E
[root@ci-vm-10-0-136-92 ~]# 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: 1975600006
  GID: 1975600006
  Account disabled: False
  Password: False
  Member of groups: ipausers, child1, child2
  Indirect Member of group: parent
  Kerberos keys available: False
[root@ci-vm-10-0-136-92 ~]# ipa group-remove-member parent --group child1
  Group name: parent
  GID: 1975600009
  Member groups: child2
  Indirect Member users: user1
---------------------------
Number of members removed 1
---------------------------
[root@ci-vm-10-0-136-92 ~]# sss_cache -E
[root@ci-vm-10-0-136-92 ~]# id user1
uid=1975600006(user1) gid=1975600006(user1) groups=1975600006(user1),1975600007(child1),1975600008(child2),1975600009(parent)
[root@ci-vm-10-0-136-92 ~]# sss_cache -E
[root@ci-vm-10-0-136-92 ~]# getent group parent
parent:*:1975600009:user1
[root@ci-vm-10-0-136-92 ~]# sss_cache -E
[root@ci-vm-10-0-136-92 ~]# 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: 1975600006
  GID: 1975600006
  Account disabled: False
  Password: False
  Member of groups: ipausers, child1, child2
  Indirect Member of group: parent
  Kerberos keys available: False
[root@ci-vm-10-0-136-92 ~]#
Comment 9 errata-xmlrpc 2020-05-19 14:40:59 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-2020:2211