[Bug 1819197] Re: nss_getpwnam: name 'userX at xx.xx.edu@XX.XX.EDU' domain 'XX.XX.EDU': resulting localname '(null)'
Michael
1819197 at bugs.launchpad.net
Fri Mar 8 18:15:29 UTC 2019
** Description changed:
uid and gid appear to not map properly from nfsidmap in a nfsv4 with
sec=krb5. UID and GID are mapping properly on CentOS server and CentOS
client. Ubuntu nfs client file permissions are honored, but display in
`ls -lan` command are incorrect.
$ cat /var/log/syslog |grep nfsidmap
Mar 8 16:38:34 ubuntuclient nfsidmap[24736]: key: 0x24a1c64d type: uid value: siu854746381 at ad.siu.edu@AD.SIU.EDU timeout 600
Mar 8 16:38:34 ubuntuclient nfsidmap[24736]: nfs4_name_to_uid: calling nsswitch->name_to_uid
Mar 8 16:38:34 ubuntuclient nfsidmap[24736]: nss_getpwnam: name 'userX at xx.xx.edu@XX.XX.EDU' domain 'XX.XX.EDU': resulting localname '(null)'
Mar 8 16:38:34 ubuntuclient nfsidmap[24736]: nss_getpwnam: name 'userX at xx.xx.edu@XX.XX.EDU' does not map into domain 'XX.XX.EDU'
Mar 8 16:38:34 ubuntuclient nfsidmap[24736]: nfs4_name_to_uid: nsswitch->name_to_uid returned -22
Mar 8 16:38:34 ubuntuclient nfsidmap[24736]: nfs4_name_to_uid: final return value is -22
Mar 8 16:38:34 ubuntuclient nfsidmap[24736]: nfs4_name_to_uid: calling nsswitch->name_to_uid
$
$ mount -v -t nfs4 -o sec=krb5 SP19SRV.XX.XX.EDU:/export /mnt
$ su userX
$ ls -la /mnt
total 4
drwxr-xr-x 5 nobody 4294967294 50 Feb 28 18:04 .
drwxr-xr-x 24 root root 4096 Mar 7 22:34 ..
drwxr-xr-x 2 nobody 4294967294 125 Mar 8 16:27 userX
$
+ Problem:
+ nfsmapid isn't showing proper file permissions on the ubuntu nfsv4 client with sec=krb
+
+ Client:
+ mount -v -t nfs4 -o sec=krb5 SP19SRV.AD.SIU.EDU:/export /mnt
+
+ $ ls -la
+ total 4
+ drwxr-xr-x 5 nobody 4294967294 50 Feb 28 18:04 .
+ drwxr-xr-x 24 root root 4096 Mar 7 20:58 ..
+ drwxr-xr-x 2 nobody 4294967294 112 Mar 7 14:30 username
+ username at xx.xx.edu@ubuntuclient:/mnt
+
+ $ cat /etc/idmapd.conf
+ [General]
+
+ Verbosity = 9
+ Pipefs-Directory = /run/rpc_pipefs
+ # set your own domain here, if it differs from FQDN minus hostname
+ Domain = XX.XXX.EDU
+
+ [Mapping]
+
+ Nobody-User = nobody
+ Nobody-Group = nogroup
+
+
+ $ cat /etc/default/nfs-common
+ STATDOPTS=
+
+ # Do you want to start the gssd daemon? It is required for Kerberos mounts.
+ NEED_GSSD="yes"
+ NEED_IDMAPD="yes"
+
+ # I've tried commenting out NEED_IDMAPD as well.
+
+ My nfs server is a Centos 7.
+
+ Both machines were joined to active directory with sssd. NFSv4 with krb
+ security works on my centos server and client. The nfs server mount
+ works on the ubuntu client and file permissions are honored. But, the
+ ls -la command is showing the incorrect file permissions.
+
+ uid and gid's appear to be in sync from sssd.
+
+ Please let me know if you need any additional information, thanks,
+
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: nfs-common 1:1.3.4-2.1ubuntu5
ProcVersionSignature: Ubuntu 4.15.0-46.49-generic 4.15.18
Uname: Linux 4.15.0-46-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
Date: Fri Mar 8 17:48:13 2019
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
LANG=C.UTF-8
SHELL=/bin/bash
SourcePackage: nfs-utils
UpgradeStatus: No upgrade log present (probably fresh install)
mtime.conffile..etc.default.nfs-common: 2019-03-07T21:45:28.468860
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https://bugs.launchpad.net/bugs/1819197
Title:
nss_getpwnam: name 'userX at xx.xx.edu@XX.XX.EDU' domain 'XX.XX.EDU':
resulting localname '(null)'
Status in nfs-utils package in Ubuntu:
New
Bug description:
uid and gid appear to not map properly from nfsidmap in a nfsv4 with
sec=krb5. UID and GID are mapping properly on CentOS server and
CentOS client. Ubuntu nfs client file permissions are honored, but
display in `ls -lan` command are incorrect.
$ cat /var/log/syslog |grep nfsidmap
Mar 8 16:38:34 ubuntuclient nfsidmap[24736]: key: 0x24a1c64d type: uid value: siu854746381 at ad.siu.edu@AD.SIU.EDU timeout 600
Mar 8 16:38:34 ubuntuclient nfsidmap[24736]: nfs4_name_to_uid: calling nsswitch->name_to_uid
Mar 8 16:38:34 ubuntuclient nfsidmap[24736]: nss_getpwnam: name 'userX at xx.xx.edu@XX.XX.EDU' domain 'XX.XX.EDU': resulting localname '(null)'
Mar 8 16:38:34 ubuntuclient nfsidmap[24736]: nss_getpwnam: name 'userX at xx.xx.edu@XX.XX.EDU' does not map into domain 'XX.XX.EDU'
Mar 8 16:38:34 ubuntuclient nfsidmap[24736]: nfs4_name_to_uid: nsswitch->name_to_uid returned -22
Mar 8 16:38:34 ubuntuclient nfsidmap[24736]: nfs4_name_to_uid: final return value is -22
Mar 8 16:38:34 ubuntuclient nfsidmap[24736]: nfs4_name_to_uid: calling nsswitch->name_to_uid
$
$ mount -v -t nfs4 -o sec=krb5 SP19SRV.XX.XX.EDU:/export /mnt
$ su userX
$ ls -la /mnt
total 4
drwxr-xr-x 5 nobody 4294967294 50 Feb 28 18:04 .
drwxr-xr-x 24 root root 4096 Mar 7 22:34 ..
drwxr-xr-x 2 nobody 4294967294 125 Mar 8 16:27 userX
$
Problem:
nfsmapid isn't showing proper file permissions on the ubuntu nfsv4 client with sec=krb
Client:
mount -v -t nfs4 -o sec=krb5 SP19SRV.AD.SIU.EDU:/export /mnt
$ ls -la
total 4
drwxr-xr-x 5 nobody 4294967294 50 Feb 28 18:04 .
drwxr-xr-x 24 root root 4096 Mar 7 20:58 ..
drwxr-xr-x 2 nobody 4294967294 112 Mar 7 14:30 username
username at xx.xx.edu@ubuntuclient:/mnt
$ cat /etc/idmapd.conf
[General]
Verbosity = 9
Pipefs-Directory = /run/rpc_pipefs
# set your own domain here, if it differs from FQDN minus hostname
Domain = XX.XXX.EDU
[Mapping]
Nobody-User = nobody
Nobody-Group = nogroup
$ cat /etc/default/nfs-common
STATDOPTS=
# Do you want to start the gssd daemon? It is required for Kerberos mounts.
NEED_GSSD="yes"
NEED_IDMAPD="yes"
# I've tried commenting out NEED_IDMAPD as well.
My nfs server is a Centos 7.
Both machines were joined to active directory with sssd. NFSv4 with
krb security works on my centos server and client. The nfs server
mount works on the ubuntu client and file permissions are honored.
But, the ls -la command is showing the incorrect file permissions.
uid and gid's appear to be in sync from sssd.
Please let me know if you need any additional information, thanks,
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: nfs-common 1:1.3.4-2.1ubuntu5
ProcVersionSignature: Ubuntu 4.15.0-46.49-generic 4.15.18
Uname: Linux 4.15.0-46-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
Date: Fri Mar 8 17:48:13 2019
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
LANG=C.UTF-8
SHELL=/bin/bash
SourcePackage: nfs-utils
UpgradeStatus: No upgrade log present (probably fresh install)
mtime.conffile..etc.default.nfs-common: 2019-03-07T21:45:28.468860
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