[Samba] Samba 3.0.x access rights issue with secondary
groups or Unix rights
albanperso-zatoo at yahoo.com
albanperso-zatoo at yahoo.com
Tue Aug 19 13:52:56 GMT 2008
good remark, Duncan, but on the samba side, the commande "net ads user info jdoe" can resolve all the user groups included secondary
I check on unix side with the ldapsearch command that using kerberos that the authentication of the involved accounts can read requires all attributes in users and groups and it is OK
I have no idea on what's wrong
I am stuck and an expert could probably help us
Regards
----- Message d'origine ----
> De : Duncan Brannen <dbb at st-andrews.ac.uk>
> À : albanperso-zatoo at yahoo.com
> Cc : samba at lists.samba.org
> Envoyé le : Mardi, 19 Août 2008, 15h28mn 47s
> Objet : Re: Re : [Samba] Samba 3.0.x access rights issue with secondary groups or Unix rights
>
>
> Someone more knowledgeable may correct me, but I'd guess you have to fix
> that,
> if Solaris isn't picking up secondary groups for a user, I'd think Samba
> won't find
> them either.
>
> On my systems id -a returns all the groups, it's just the groups command
> when run as
> a non root user that doesn't work on my systems with groups configured
> in ldap and
> this seems enough to stop Samba picking up my secondary groups. Your systems
> seems to be misbehaving in the opposite way.
>
> If I fix mine, I'll let you know what was wrong, I may just go back to
> NIS groups
> in nsswitch.conf.
>
> Cheers,
> Duncan
>
>
>
> albanperso-zatoo at yahoo.com wrote:
> > details on grous command
> >
> >
> > To have the secondary groups, I have to enter "id -a" logged as the user
> >
> > As root, It doesn't work. "id -a jdoe" just returns the primary group
> >
> >
> >
> > ----- Message d'origine ----
> >
> >> De : Duncan Brannen
> >> À : albanperso-zatoo at yahoo.com
> >> Cc : samba at lists.samba.org
> >> Envoyé le : Mardi, 19 Août 2008, 14h02mn 38s
> >> Objet : Re: [Samba] Samba 3.0.x access rights issue with secondary groups or
> Unix rights
> >>
> >>
> >> Hi,
> >> I have a similar problem, no ADS in my setup, just no
> >> supplementary groups showing
> >> up (samba 3.2.1 and groups ldap in nsswitch.conf as opposed to working
> >> with Samba 3.0.28 and groups nis in nsswitch.conf)
> >> Solaris 10 SPARC
> >>
> >> Everything looks ok, getent, groups etc when logged in as root,
> >> but if I su to the user
> >> not getting any groups and type
> >>
> >>
> >>> groups
> >>>
> >> I don't see any groups there bar the primary one.
> >>
> >> Are you seeing the same thing? IE if you're logged in as root and type
> >>
> >> groups jdoe
> >>
> >> You see all of jdoe's groups
> >>
> >> but if you su to jdoe and type
> >>
> >> groups
> >>
> >> You only see the primary group?
> >>
> >> Just a long shot but might push you in the right direction?
> >>
> >>
> >> Cheers,
> >> Duncan
> >>
> >>
> >> albanperso-zatoo at yahoo.com wrote:
> >>
> >>> Hi experts
> >>>
> >>> I have a trouble in access rights
> >>>
> >>> I am running Samba
> >>> 3.0.31 on Solaris 10 x86 64 bits as member server of an Active
> >>> Directory 2003 R2 domain (MYDOMAIN) using Identity Management for Unix
> >>> I set rights to access a sub folder of a Samba share. On Solaris the user
> >>> "toto" jdoe can write a new file. From Windows, the same user can't.
> >>> Itlooks like OK when the primary group (grp1) of the user is the group
> >>> that own the subtree but not when this owner group is a secondary group
> >>> (grp2).
> >>> It is OK If I set explicitly the user right from MS Windows
> >>> I can't change the access rights to the group from MS Windows
> >>>
> >>> I suspect Unix ownership or ACL to be the root cause but I can't exclude a
> >>>
> >> Samba issue
> >>
> >>> Thanks for help
> >>>
> >>>
> > he parts that take place and no
> >
> >> useful info, so just go to the valuable data)
> >>
> >>> ************ An extract from my smb.conf ************
> >>>
> >>> [global]
> >>> ## part windows ##
> >>> host msdfs = no
> >>> netbios name = machines01
> >>> netbios aliases = 2store
> >>> server string = 2store
> >>> workgroup = MYDOMAIN
> >>> realm = MYDOMAIN.LOCAL
> >>> security = ADS
> >>> use kerberos keytab = yes
> >>> obey pam restrictions = Yes
> >>> use spnego = yes
> >>> client use spnego = yes
> >>> password server = machinew01.MYDOMAIN.local
> machinew07.MYDOMAIN.local
> >>> # unix extensions = no
> >>> machine password timeout = 0
> >>> # logon path = \\machines01\profiles\%U
> >>> template shell = /bin/bash
> >>> hosts allow = 127.0.0.1, 192.168.10.0/255.255.255.0,
> >>>
> >> 192.168.11.0/255.255.255.0
> >>
> >>> ## part samba engine ##
> >>> max log size = 50000
> >>> log level = 10
> >>> syslog = 0
> >>> log file = /var/log/samba/%m
> >>> socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192
> >>> ## part ldap et idmap ##
> >>> ldap admin dn = "cn=myadmin,cn=users,dc=MYDOMAIN,dc=local"
> >>> ldap idmap suffix = ou=idmap
> >>> ldap ssl = no
> >>> idmap backend = ldap:ldap://machinew01.MYDOMAIN.local
> >>>
> >> ldap:ldap://machinew07.MYDOMAIN.local
> >>
> >>> #idmap backend =
> >>> 0-20000
> >>> #idmap backend = ad
> >>> idmap uid = 10000-20000
> >>> idmap gid = 10000-20000
> >>> #idmap config MYDOMAIN:schema_mode = rfc2307
> >>> ## part winbind ##
> >>> winbind nss info = rfc2307
> >>> winbind cache time = 5
> >>> winbind refresh tickets = Yes
> >>> winbind use default domain = Yes
> >>> winbind trusted domains only = Yes
> >>> winbind nested groups = Yes
> >>> winbind enum groups = Yes
> >>> winbind enum users = Yes
> >>>
> >>> [data]
> >>> comment = Samba data folder
> >>> path = /samba/data
> >>> read o
> >>>
> > ctory mask = 0750
> >
> >>> guest ok = Yes
> >>>
> >>>
> >>>
> >>>
> >>> ************ Check the Unix name resolution ************
> >>> getent passwd jdoe
> >>> jdoe:x:10037:10002:John DOE:/home/jdoe:/bin/sh
> >>>
> >>>
> >>> getent group grp2
> >>> grp2::10004:myadmin,jdoe,demo1,demo2,demo3
> >>>
> >>>
> >>> ************ I can check that Samba can resolve if the user is member of the
>
> >>>
> >> group ************
> >>
> >>> /usr/local/samba/bin/net ads user info jdoe
> >>> grp2
> >>> grp1
> >>>
> >>>
> >>> /usr/local/samba/bin/wbinfo -G 10004
> >>> S-1-5-21-2269603188-533060101-51835291-1642
> >>>
> >>> /usr/local/samba/bin/wbinfo -Y S-1-5-21-2269603188-533060101-51835291-1642
> >>> 10004
> >>>
> >>>
> >>> /usr/local/samba/bin/wbinfo -R 10004
> >>> winbind_lookup_rids failed
> >>> Could not lookup RIDs 10004
> >>>
> >>>
> >>>
> >>> ************ Review of the access rights ************
> >>>
> >>> ls -al /samba/data/level1/level2/level3/level4
> >>> drwxrwsr-x+ 19 myadmin grp2 512 Aug 15 11:18 .
> >>> drwxr-x--- 9 myadmin grp1 512 Aug 12 16:06 ..
> >>> drwxrws---+ 3 myadmin grp2 512 Jun 27 10:58 general
> >>> -rwxr-----+ 1 jdoe grp2 0 Aug 15 11:18 New Text Document from
> >>>
> >> Windows.txt
> >>
> >>> -rwxrw---- 1 jdoe grp2 44 Aug 15 11:14 newdocfromunix.txt
> >>>
> >>> *** ACTION: I try on Unix to change the group owner of ".." by grp2 but that
>
> >>>
> >> remove all jdoe access from Windows
> >>
> >>> ************ Test POSIX ACLs ************
> >>> getfacl -a /samba/data/level1/level2/level3/level4/
> >>>
> >>> # file: /samba/data/level1/level2/level3/level4/
> >>> # owner: myadmin
> >>> # group: grp2
> >>> user::rwx
> >>> group::rwx #effective:rwx
> >>> other:r-x
> >>>
> >>>
> >>> getfacl -a /samba/data/level1/leve
> >>> vel3
> >>>
> >>> # file: /samba/data/level1/level2/level3
> >>> # owner: myadmin
> >>> # group: grp1
> >>> user::rwx
> >>> group::r-x #effective:r-x
> >>> mask:r-x
> >>> other:---
> >>>
> >>>
> >>> getfacl -a /samba/data/level1/level2
> >>>
> >>> # file: /samba/data/level1/level2
> >>> # owner: myadmin
> >>> # group: grp1
> >>> user::rwx
> >>> group::r-x #effective:r-x
> >>> other:
> >>>
> > mba/data/level1
> >
> >>> # file: /samba/data/level1
> >>> # owner: root
> >>> # group: root
> >>> user::rwx
> >>> group::r-x #effective:r-x
> >>> mask:r-x
> >>> other:r-x
> >>>
> >>>
> >>> getfacl -a /samba/data
> >>>
> >>> # file: /samba/data
> >>> # owner: myadmin
> >>> # group: grp1
> >>> user::rwx
> >>> user:user123:rwx #effective:rwx
> >>> group::r-x #effective:r-x
> >>> mask:rwx
> >>> other:r-x
> >>>
> >>>
> >>>
> >>> ************ From MS Windows side ************
> >>>
> >>> properties/security
> >>> The group is in the "group and user names" list
> >>> there is no check box in the Allow or deny clomn
> >>>
> >>> Advanced/permissions
> >>>
> >>> Type Name Permission Inherited from Apply to
> >>> Allow smb_ins (MYDOMAIN/smb_ins) This folder only
> >>>
> >>> ****** ACTION:
> >>> When I try to force the situation returns to the original state with no
> error
> >>> checking allow inheritable and/or Replace permissions has no effect on nany
> >>>
> >> combination
> >>
> >>> When I add the user with access right, it is OK
> >>>
> >>>
> >>>
> >>>
> >>> ************ Some extract the Samba log level 10 ************
> >>>
> >>> [2008/08/15 12:25:22, 10] smbd/statcache.c:stat_cache_lookup(248)
> >>> stat_cache_lookup: lookup succeeded for name [jdoe] -> [jdoe]
> >>> [2008/08/15 12:25:22, 5] smbd/filename.c:unix_convert(246)
> >>> unix_convert begin: name = jdoe/ntuser.man, dirpath = jdoe, start =
> >>>
> >> ntuser.man
> >>
> >>> [2008/08/15 12:25:22, 10] smbd/mangle_hash2.c:is_mangled(276)
> >>> is_mangled ntuser.man ?
> >>> [2008/08/15 12:25:22, 10] smbd/mangle_hash2.c:is_mangled_component(215)
> >>> is_mangled_component ntuser.man (len 10) ?
> >>> [2008/08/15 12:25:22, 10] smbd/mangle_hash2.c:is_mangled(276)
> >>> is_mangled ntuser.man ?
> >>> [2008/08/15 12:25:22, 10] smbd/mangle_hash2.c:is_mangled_component(215)
> >>> is_mangled_component ntuser.man (len 10) ?
> >>> [2008/08/15 12:25:22, 10] smbd/mangle_hash2.c:is_mangled(276)
> >>> is_mangled ntuser.man ?
> >>> [200
> >>> mangle_hash2.c:is_mangled_component(215)
> >>> is_mangled_component ntuser.man (len 10) ?
> >>> [2008/08/15 1
> >>>
> > ntuser.man
> >
> >>> [2008/08/15 12:25:22, 3] smbd/dosmode.c:unix_mode(142)
> >>> unix_mode(jdoe/ntuser.man) returning 0700
> >>> [2008/08/15 12:25:22, 10] smbd/open.c:open_file_ntcreate(1184)
> >>>
> >>> open_file_ntcreate: fname=jdoe/ntuser.man, dos_attrs=0x0
> >>> access_mask=0x1 share_access=0x7 create_disposition = 0x1
> >>> create_options=0x140 unix mode=0700 oplock_request=3
> >>> [2008/08/15 12:25:22, 5] smbd/open.c:open_file_ntcreate(1264)
> >>> open_file_ntcreate: FILE_OPEN requested for file jdoe/ntuser.man and file
> >>>
> >> doesn't exist.
> >>
> >>> [2008/08/15 12:25:22, 3] smbd/error.c:error_packet_set(106)
> >>> error packet at smbd/nttrans.c(805) cmd=162 (SMBntcreateX)
> >>>
> >> NT_STATUS_OBJECT_NAME_NOT_FOUND
> >>
> >>> [2008/08/15 12:25:22, 5] lib/util.c:show_msg(484)
> >>> [2008/08/15 12:25:22, 5] lib/util.c:show_msg(494)
> >>> size=35
> >>> smb_com=0xa2
> >>> smb_rcls=52
> >>> smb_reh=0
> >>> smb_err=49152
> >>> smb_flg=136
> >>> smb_flg2=51201
> >>> smb_tid=3
> >>> smb_pid=588
> >>> smb_uid=101
> >>> smb_mid=1024
> >>> smt_wct=0
> >>> smb_bcc=0
> >>>
> >>>
> >>>
> >>> [2008/08/15 12:25:22, 10] smbd/open.c:open_file_ntcreate(1347)
> >>> open_file_ntcreate: fname=jdoe/Application
> >>>
> >> Data/Microsoft/SystemCertificates/My/CRLs, after mapping access_mask=0x1
> >>
> >>> [2008/08/15 12:25:22, 5] smbd/files.c:file_new(123)
> >>> allocated file structure 1332, fnum = 5428 (5 used)
> >>> [2008/08/15 12:25:22, 4] smbd/open.c:open_file_ntcreate(1605)
> >>> calling open_file with flags=0x0 flags2=0x0 mode=0700, access_mask = 0x1,
> >>>
> >> open_access_mask = 0x1
> >>
> >>> [2008/08/15 12:25:22, 10] smbd/open.c:fd_open(67)
> >>> fd_open: name jdoe/Application Data/Microsoft/SystemCertificates/My/CRLs,
> >>>
> >> flags = 00 mode = 0700, fd = 32.
> >>
> >>> [2008/08/15 12:25:22, 10] locking/posix.c:get_windows_lock_ref_count(545)
> >>> get_windows_lock_count for file = 0
> >>> [2008/08/15 12:25:22, 10] locking/posix.c:delete_windows_lock_ref_count(559)
> >>> delete_windows_lock_ref_count for file
> >>> [2008/08/15 12:25:22, 5] smbd/files.c:file_free(454)
> >>> freed files structure 5428 (4 used
> >>>
> >> 6)
> >>
> >>> error packet at smbd/nttrans.c(779) cmd=162 (SMBntcreateX)
> >>>
> >> NT_STATUS_FILE_IS_A_DIRECTORY
> >>
> >>>
> >>>
> >>> [2008/08/15 12:25:22, 10] smbd/open.c:open_file_ntcreate(1347)
> >>> open_file_ntcreate: fname=jdoe/Application
> >>>
> >> Data/Microsoft/SystemCertificates/My/CRLs, after mapping access_mask=0x1
> >>
> >>> [2008/08/15 12:25:22, 5] smbd/files.c:file_new(123)
> >>> allocated file structure 1332, fnum = 5428 (5 used)
> >>> [2008/08/15 12:25:22, 4] smbd/open.c:open_file_ntcreate(1605)
> >>> calling open_file with flags=0x0 flags2=0x0 mode=0700, access_mask = 0x1,
> >>>
> >> open_access_mask = 0x1
> >>
> >>> [2008/08/15 12:25:22, 10] smbd/open.c:fd_open(67)
> >>> fd_open: name jdoe/Application Data/Microsoft/SystemCertificates/My/CRLs,
> >>>
> >> flags = 00 mode = 0700, fd = 32.
> >>
> >>> [2008/08/15 12:25:22, 10] locking/posix.c:get_windows_lock_ref_count(545)
> >>> get_windows_lock_count for file = 0
> >>> [2008/08/15 12:25:22, 10] locking/posix.c:delete_windows_lock_ref_count(559)
> >>> delete_windows_lock_ref_count for file
> >>> [2008/08/15 12:25:22, 5] smbd/files.c:file_free(454)
> >>> freed files structure 5428 (4 used)
> >>> [2008/08/15 12:25:22, 3] smbd/error.c:error_packet_set(106)
> >>> error packet at smbd/nttrans.c(779) cmd=162 (SMBntcreateX)
> >>>
> >> NT_STATUS_FILE_IS_A_DIRECTORY
> >>
> >>>
> >>>
> >> _____________________________________________________________________________
>
> >>
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> >>>
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> >>
> >>>
> >>>
> >> --
> >> The University of St Andrews is a charity registered in Scotland : No
> SC013532
> >>
> >
> >
> >
> >
> _____________________________________________________________________________
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> >
>
>
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