Note: This bug is displayed in read-only format because the product is no longer active in Red Hat Bugzilla.

RHEL Engineering is moving the tracking of its product development work on RHEL 6 through RHEL 9 to Red Hat Jira (issues.redhat.com). If you're a Red Hat customer, please continue to file support cases via the Red Hat customer portal. If you're not, please head to the "RHEL project" in Red Hat Jira and file new tickets here. Individual Bugzilla bugs in the statuses "NEW", "ASSIGNED", and "POST" are being migrated throughout September 2023. Bugs of Red Hat partners with an assigned Engineering Partner Manager (EPM) are migrated in late September as per pre-agreed dates. Bugs against components "kernel", "kernel-rt", and "kpatch" are only migrated if still in "NEW" or "ASSIGNED". If you cannot log in to RH Jira, please consult article #7032570. That failing, please send an e-mail to the RH Jira admins at rh-issues@redhat.com to troubleshoot your issue as a user management inquiry. The email creates a ServiceNow ticket with Red Hat. Individual Bugzilla bugs that are migrated will be moved to status "CLOSED", resolution "MIGRATED", and set with "MigratedToJIRA" in "Keywords". The link to the successor Jira issue will be found under "Links", have a little "two-footprint" icon next to it, and direct you to the "RHEL project" in Red Hat Jira (issue links are of type "https://issues.redhat.com/browse/RHEL-XXXX", where "X" is a digit). This same link will be available in a blue banner at the top of the page informing you that that bug has been migrated.

Bug 825028

Summary:	Service lookups by port number doesn't work on s390x/ppc64 arches
Product:	Red Hat Enterprise Linux 6	Reporter:	Kaushik Banerjee <kbanerje>
Component:	sssd	Assignee:	Stephen Gallagher <sgallagh>
Status:	CLOSED ERRATA	QA Contact:	IDM QE LIST <seceng-idm-qe-list>
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	6.3	CC:	dpal, grajaiya, jgalipea, prc
Target Milestone:	rc
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	sssd-1.8.0-32.el6	Doc Type:	Bug Fix
Doc Text:	No documentation required	Story Points:	---
Clone Of:		Environment:
Last Closed:	2012-06-20 11:45:06 UTC	Type:	Bug
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:
Bug Blocks:	826592

Description Kaushik Banerjee 2012-05-24 20:57:35 UTC

Description of problem:
Service lookups by port number doesn't work on s390x/ppc64 arches

Version-Release number of selected component (if applicable):
sssd-1.8.0-28.el6.ppc64

How reproducible:
Always

Steps to Reproduce:
1. Configure sssd as follows:
# cat /etc/sssd/sssd.conf
[sssd]
config_file_version = 2
services = nss, pam
domains = LDAP

[nss]
filter_groups = root
filter_users = root
debug_level=0xFFF0

[pam]

[domain/LDAP]
debug_level=0xFFF0
id_provider = ldap
ldap_uri = ldap://openldapserv.example.com
ldap_search_base = dc=example,dc=com
 
2. On ldap server, add a service as follows:
# Svc5, Services, example.com
dn: cn=Svc5,ou=Services,dc=example,dc=com
objectClass: ipService
cn: svc5_alias1
cn: SVC5_Alias2
cn: Svc5
ipServicePort: 12345
ipServiceProtocol: SCtp
ipServiceProtocol: Dummy_proto5

3. Lookup service:
# getent -s sss services Svc5
Svc5                  12345/SCtp svc5_alias1 SVC5_Alias2

# getent -s sss services 12345/SCtp   <== returns blank output

# getent -s sss services 12345  <== returns blank output
  
Actual results:
Lookup of service by port number returns nothing.

Expected results:
Lookup of service by port number should work.

Additional info:
/var/log/sssd/sssd_nss.log shows:
(Thu May 24 16:15:06 2012) [sssd[nss]] [get_client_cred] (0x4000): Client creds: euid[0] egid[0] pid[11554].
(Thu May 24 16:15:06 2012) [sssd[nss]] [accept_fd_handler] (0x0100): Client connected!
(Thu May 24 16:15:06 2012) [sssd[nss]] [sss_cmd_get_version] (0x0200): Received client version [1].
(Thu May 24 16:15:06 2012) [sssd[nss]] [sss_cmd_get_version] (0x0200): Offered version [1].
(Thu May 24 16:15:06 2012) [sssd[nss]] [nss_cmd_getservbyport] (0x0400): Requesting info for service on port [0/<ANY>]
(Thu May 24 16:15:06 2012) [sssd[nss]] [sss_ncache_check_str] (0x2000): Checking negative cache for [NCE/SERVICE/LDAP/0l:<ANY>]
(Thu May 24 16:15:06 2012) [sssd[nss]] [getserv_send] (0x0400): Checking cache for [0:<ANY>@LDAP]
(Thu May 24 16:15:06 2012) [sssd[nss]] [nss_cmd_getserv_done] (0x0040): getservbyname failed
(Thu May 24 16:15:06 2012) [sssd[nss]] [client_recv] (0x0200): Client disconnected!

Comment 3 Dmitri Pal 2012-05-24 22:54:27 UTC

Upstream ticket:
https://fedorahosted.org/sssd/ticket/1348

Comment 4 Stephen Gallagher 2012-05-25 12:53:46 UTC

Patch committed upstream.

Comment 7 Gowrishankar Rajaiyan 2012-05-29 17:10:59 UTC

# named, Services, example.com
dn: cn=named,ou=Services,dc=example,dc=com
objectClass: ipService
objectClass: top
cn: Named_Alias
cn: bind
cn: named
ipServicePort: 53
ipServiceProtocol: udp

# ssh, Services, example.com
dn: cn=ssh,ou=Services,dc=example,dc=com
objectClass: ipService
cn: ssh_alias1
cn: SSH_alias2
cn: ssh
ipServicePort: 22
ipServiceProtocol: tcp


# Svc5, Services, example.com
dn: cn=Svc5,ou=Services,dc=example,dc=com
objectClass: ipService
cn: svc5_alias1
cn: SVC5_Alias2
cn: Svc5
ipServicePort: 12345
ipServiceProtocol: SCtp
ipServiceProtocol: Dummy_proto5



[root@ibm-js22-04 ~]# getent -s sss services ssh
ssh                   22/tcp ssh_alias1 SSH_alias2
[root@ibm-js22-04 ~]# getent -s sss services 22/tcp
ssh                   22/tcp ssh_alias1 SSH_alias2
[root@ibm-js22-04 ~]# getent -s sss services 22
ssh                   22/tcp ssh_alias1 SSH_alias2
[root@ibm-js22-04 ~]# 



[root@ibm-js22-04 ~]# ldbsearch -H /var/lib/sss/db/cache_LDAP.ldb name=ssh
asq: Unable to register control with rootdse!
# record 1
dn: name=ssh,cn=services,cn=LDAP,cn=sysdb
createTimestamp: 1338301618
name: ssh
nameAlias: ssh_alias1
nameAlias: SSH_alias2
objectClass: service
servicePort: 22
serviceProtocol: tcp
lastUpdate: 1338301618
dataExpireTimestamp: 1338307018
distinguishedName: name=ssh,cn=services,cn=LDAP,cn=sysdb

# returned 1 records
# 1 entries
# 0 referrals
[root@ibm-js22-04 ~]# 


[root@ibm-js22-04 ~]# getent -s sss services named
named                 53/udp Named_Alias bind
[root@ibm-js22-04 ~]# getent -s sss services 53
named                 53/udp Named_Alias bind
[root@ibm-js22-04 ~]# getent -s sss services 53/udp
named                 53/udp Named_Alias bind


[root@ibm-js22-04 ~]# getent -s sss services 22
ssh                   22/tcp ssh_alias1 SSH_alias2
[root@ibm-js22-04 ~]# getent -s sss services 22/tcp
ssh                   22/tcp ssh_alias1 SSH_alias2
[root@ibm-js22-04 ~]# 


[root@ibm-js22-04 ~]# getent -s sss services Svc5
Svc5                  12345/SCtp svc5_alias1 SVC5_Alias2
[root@ibm-js22-04 ~]# getent -s sss services 12345/SCtp
[root@ibm-js22-04 ~]# getent -s sss services 12345
[root@ibm-js22-04 ~]# getent -s sss services 22/tcp
[root@ibm-js22-04 ~]#


/var/log/sssd/sssd_nss.log:
(Tue May 29 10:43:11 2012) [sssd[nss]] [sss_cmd_get_version] (0x0200): Received client version [1].
(Tue May 29 10:43:11 2012) [sssd[nss]] [sss_cmd_get_version] (0x0200): Offered version [1].
(Tue May 29 10:43:11 2012) [sssd[nss]] [nss_cmd_getservbyport] (0x0040): Could not parse request
(Tue May 29 10:43:11 2012) [sssd[nss]] [client_recv] (0x0200): Client disconnected!


Tested in version: sssd-1.8.0-31.el6.ppc64

Comment 8 Stephen Gallagher 2012-05-29 17:26:19 UTC

The original fix made a mistake with processing the length of the packet, causing the 'protocol' field to be truncated. sssd-1.8.0-32.el6 corrects this mistake.

Comment 9 Gowrishankar Rajaiyan 2012-05-30 06:55:57 UTC

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~#
[root@ibm-z10-11 ~]# arch
s390x
[root@ibm-z10-11 ~]# 

[root@ibm-z10-11 ~]# getent -s sss services Svc5
Svc5                  12345/SCtp svc5_alias1 SVC5_Alias2
[root@ibm-z10-11 ~]# getent -s sss services 12345
Svc5                  12345/SCtp svc5_alias1 SVC5_Alias2
[root@ibm-z10-11 ~]# getent -s sss services 12345/SCtp
Svc5                  12345/SCtp svc5_alias1 SVC5_Alias2
[root@ibm-z10-11 ~]# 
[root@ibm-z10-11 ~]# getent -s sss services 22
ssh                   22/tcp ssh_alias1 SSH_alias2
[root@ibm-z10-11 ~]# 
[root@ibm-z10-11 ~]# getent -s sss services 53/udp
named                 53/udp Named_Alias bind
[root@ibm-z10-11 ~]# 
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~#


#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~#
[root@ibm-js22-04 ~]# arch
ppc64
[root@ibm-js22-04 ~]# 

[root@ibm-js22-04 ~]# getent -s sss services Svc5
Svc5                  12345/SCtp svc5_alias1 SVC5_Alias2
[root@ibm-js22-04 ~]# getent -s sss services 12345
Svc5                  12345/SCtp svc5_alias1 SVC5_Alias2
[root@ibm-js22-04 ~]# getent -s sss services 12345/SCtp
Svc5                  12345/SCtp svc5_alias1 SVC5_Alias2
[root@ibm-js22-04 ~]# 
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~#


Verified in version:
sssd-1.8.0-32.el6.ppc64
sssd-1.8.0-32.el6.s390x

Comment 10 Stephen Gallagher 2012-06-12 14:00:16 UTC

    Technical note added. If any revisions are required, please edit the "Technical Notes" field
    accordingly. All revisions will be proofread by the Engineering Content Services team.
    
    New Contents:
No documentation required

Comment 12 errata-xmlrpc 2012-06-20 11:45:06 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.

http://rhn.redhat.com/errata/RHBA-2012-0747.html