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Bug 1795960 - Expecting appropriate error message when new password length is less than 8 characters when ldap_pwmodify_mode = ldap_modify in sssd.conf
Summary: Expecting appropriate error message when new password length is less than 8 c...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: sssd
Version: 7.8
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: rc
: ---
Assignee: Pavel Březina
QA Contact: sssd-qe
URL:
Whiteboard: sync-to-jira
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2020-01-29 10:30 UTC by Madhuri
Modified: 2020-09-29 19:50 UTC (History)
9 users (show)

Fixed In Version: sssd-1.16.5-1.el7
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2020-09-29 19:49:11 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Github SSSD sssd issues 5106 0 None closed Expecting appropriate error message when new password length is less than 8 characters when ldap_pwmodify_mode = ldap_mo... 2020-07-27 09:01:28 UTC
Red Hat Product Errata RHBA-2020:3904 0 None None None 2020-09-29 19:50:15 UTC

Description Madhuri 2020-01-29 10:30:08 UTC 
Description of problem:
Expecting appropriate error message when new password length is less than 8 characters when ldap_pwmodify_mode = ldap_modify in sssd.conf

Version-Release number of selected component (if applicable):
sssd-1.16.4-37.el7.x86_64

How reproducible:
Always 

Steps to Reproduce:
1. Setup sssd client with the rhds server and enable passwordCheckSyntax on server 
[root@ci-vm-10-0-153-118 ~]#  ldapsearch -xLLL -p 389 -h localhost -D "cn=Directory Manager" -w Secret123 -b "cn=config"  | grep passwordCheckSyntax
passwordCheckSyntax: on

2. Add ldap_pwmodify_mode = ldap_modify in sssd.conf
[root@ci-vm-10-0-153-121 ~]# cat /etc/sssd/sssd.conf 
[sssd]
config_file_version = 2
services = nss, pam
domains = example1

[domain/example1]
ldap_search_base = dc=example,dc=test
id_provider = ldap
auth_provider = ldap
ldap_user_home_directory = /home/%u
ldap_uri = ldaps://server.example.com
use_fully_qualified_names = True
debug_level = 9
ldap_pwmodify_mode = ldap_modify

3. Try to change password of a user

Actual results:
[foo9@example1@ipaqavmh /]$ passwd
Changing password for user foo9@example1.
Current Password: 
New password: <password like red_12>
Retype new password: <password like red_12>
passwd: all authentication tokens updated successfully.

Here I provided a new password having a length less than 8 characters
but still, it's giving a message of successful password change.


from log,
(Wed Jan 29 05:14:55 2020) [sssd[be[example1]]] [sdap_process_result] (0x2000): Trace: sh[0x5587f4bdd960], connected[1], ops[0x5587f4bfbb90], ldap[0x5587f4bfdb80]
(Wed Jan 29 05:14:55 2020) [sssd[be[example1]]] [sdap_process_message] (0x4000): Message type: [LDAP_RES_MODIFY]
(Wed Jan 29 05:14:55 2020) [sssd[be[example1]]] [sdap_modify_done] (0x1000): ldap_modify result: Constraint violation(19), invalid password syntax - password must be at least 8 characters long
(Wed Jan 29 05:14:55 2020) [sssd[be[example1]]] [sdap_op_destructor] (0x2000): Operation 3 finished
(Wed Jan 29 05:14:55 2020) [sssd[be[example1]]] [sdap_modify_passwd_done] (0x0400): Password change for [uid=foo9,ou=People,dc=example,dc=test] was successful



Expected results:
Must give a proper error message when new password length is less than 8 characters.

Additional info:
Comment 2 Pavel Březina 2020-01-29 11:40:11 UTC 
Upstream ticket:
https://pagure.io/SSSD/sssd/issue/4148
Comment 5 Pavel Březina 2020-02-14 11:42:52 UTC 
Upstream PR:
https://github.com/SSSD/sssd/pull/979
Comment 6 Pavel Březina 2020-03-05 09:32:39 UTC 
* `master`
    * e4c6ebf6754dca194487f02b616018a860e5dbdf - sdap: provide error message when password change fail in ldap_modify mode
* `sssd-1-16`
    * ddf0a59a610570111fadc391f104c29442e01ac8 - sdap: provide error message when password change fail in ldap_modify mode
Comment 11 Madhuri 2020-05-21 11:25:16 UTC 
Verified with 
# rpm -qa sssd
sssd-1.16.5-1.el7.x86_64

Verification steps:

1. Setup sssd client with the rhds server and enable passwordCheckSyntax on server 

[cloud-user@ci-vm-10-0-105-136 ~]$ ldapsearch -xLLL -p 389 -h localhost -D "cn=Directory Manager" -w Secret123 -b "cn=config"  | grep passwordCheckSyntax
passwordCheckSyntax: on


2. Add ldap_pwmodify_mode = ldap_modify in sssd.conf

[root@ci-vm-10-0-106-198 ~]# cat /etc/sssd/sssd.conf
[sssd]
config_file_version = 2
services = nss, pam
domains = example1

[domain/example1]
ldap_search_base = dc=example,dc=test
id_provider = ldap
auth_provider = ldap
ldap_user_home_directory = /home/%u
ldap_uri = ldaps://server.example.com
use_fully_qualified_names = True
debug_level = 9
ldap_pwmodify_mode = ldap_modify


3. Try to change the password

[root@ci-vm-10-0-106-198 ~]# ssh -l foo1@example1 localhost
The authenticity of host 'localhost (::1)' can't be established.
ECDSA key fingerprint is SHA256:p+UwDzsRiHCvSK51IahuzSUu2nf4ZHcVSqzcE0/zGiI.
ECDSA key fingerprint is MD5:05:d1:aa:6a:0f:9b:38:0c:26:b7:c8:b7:73:5b:44:1a.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'localhost' (ECDSA) to the list of known hosts.
foo1@example1@localhost's password: 
Could not chdir to home directory : No such file or directory
-bash-4.2$ passwd
Changing password for user foo1@example1.
Current Password: 
New password: 
Retype new password: 
Password change failed. Server message: invalid password syntax - password must be at least 8 characters long
passwd: Authentication token is no longer valid; new one required
-bash-4.2$ exit
logout
Connection to localhost closed.


From log,

(Thu May 21 07:17:47 2020) [sssd[be[example1]]] [sdap_process_message] (0x4000): Message type: [LDAP_RES_MODIFY]
(Thu May 21 07:17:47 2020) [sssd[be[example1]]] [sdap_modify_done] (0x1000): ldap_modify result: Constraint violation(19), invalid password syntax - password must be at least 8 characters long
(Thu May 21 07:17:47 2020) [sssd[be[example1]]] [sdap_op_destructor] (0x2000): Operation 3 finished
(Thu May 21 07:17:47 2020) [sssd[be[example1]]] [sdap_modify_passwd_done] (0x0020): Password change for [uid=foo1,ou=People,dc=example,dc=test] failed [1432158227]: Password Change Denied
(Thu May 21 07:17:47 2020) [sssd[be[example1]]] [sdap_handle_release] (0x2000): Trace: sh[0x55ba5b42b890], connected[1], ops[(nil)], ldap[0x55ba5b571820], destructor_lock[0], release_memory[0]


From above steps marking this bug as verified.
Comment 13 errata-xmlrpc 2020-09-29 19:49:11 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 (sssd bug fix and enhancement update), 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-2020:3904
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