[Samba] Can't chown a file to an ADS username

Stas narezatel at gmail.com
Tue Oct 9 18:30:53 GMT 2007 

well , at least we know that getent calls winbind ...
"close(4)" - the last line in strace output ?
try # ldd /lib/libnss_winbind.so.2
it'll show you what libraries libnss_winbind requires , check that all
of them are exist ..
are you using RPM installation or compiled SAMBA from sources?




On 10/9/07, Eric Diven <eric.diven at edsiohio.com> wrote:
> Okay, here's something to work with:
>
> open("/lib/tls/i686/sse2/libnss_winbind.so.2", O_RDONLY) = -1 ENOENT (No
> such file or directory)
> stat64("/lib/tls/i686/sse2", 0xbffd8d38) = -1 ENOENT (No such file or
> directory)
> open("/lib/tls/i686/libnss_winbind.so.2", O_RDONLY) = -1 ENOENT (No such
> file or directory)
> stat64("/lib/tls/i686", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
> open("/lib/tls/sse2/libnss_winbind.so.2", O_RDONLY) = -1 ENOENT (No such
> file or directory)
> stat64("/lib/tls/sse2", 0xbffd8d38)     = -1 ENOENT (No such file or
> directory)
> open("/lib/tls/libnss_winbind.so.2", O_RDONLY) = -1 ENOENT (No such file
> or directory)
> stat64("/lib/tls", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
> open("/lib/i686/sse2/libnss_winbind.so.2", O_RDONLY) = -1 ENOENT (No
> such file or directory)
> stat64("/lib/i686/sse2", 0xbffd8d38)    = -1 ENOENT (No such file or
> directory)
> open("/lib/i686/libnss_winbind.so.2", O_RDONLY) = -1 ENOENT (No such
> file or directory)
> stat64("/lib/i686", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
> open("/lib/sse2/libnss_winbind.so.2", O_RDONLY) = -1 ENOENT (No such
> file or directory)
> stat64("/lib/sse2", 0xbffd8d38)         = -1 ENOENT (No such file or
> directory)
> open("/lib/libnss_winbind.so.2", O_RDONLY) = 4
> read(4, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0`\20\0\000"...,
> 512) = 512
> fstat64(4, {st_mode=S_IFREG|0755, st_size=15584, ...}) = 0
> old_mmap(NULL, 28316, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 4,
> 0) = 0xca7000
> old_mmap(0xcab000, 4096, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 4, 0x3000) = 0xcab000
> old_mmap(0xcac000, 7836, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xcac000
> close(4)
>
> Clearly, it's looking for libnss_winbind.so.2 in a bunch of places where
> it isn't, and then finding it in /lib.  What is happening with old_mmap
> is beyond my knowledge, however.  Does this help you any?
>
> ~Eric
>
> -----Original Message-----
> From: Stas [mailto:narezatel at gmail.com]
> Sent: Tuesday, October 09, 2007 11:28 AM
> To: Eric Diven
> Cc: samba at lists.samba.org
> Subject: Re: [Samba] Can't chown a file to an ADS username
>
> try to run the  following command :  # strace -o ./strace.out getent
> passwd  , then look into strace.out for winbind related messages .
> you should see something like that when getent starts winbind lookups:
> "open("/lib64/libnss_winbind.so.2", O_RDONLY) = 6"
>
>
>
>
>
>
> On 10/9/07, Eric Diven <eric.diven at edsiohio.com> wrote:
> > Yes, these are only winbind startup messages, that's exactly the
> > problem.  I had in my nsswitch.conf file:
> >
> > passwd:  compat winbind
> > shadow:  compat winbind
> > group:   compat winbind
> >
> > which produced only the local names
> >
> > To test, I changed nsswitch.conf as follows:
> >
> > passwd:  winbind [UNAVAIL=retunr] compat
> > shadow:  compat winbind #so I have some hope of being able to log in
> > if I didn't get it changed back, maybe
> > group:   winbind [UNAVAIL=return] compat
> >
> > and got *nothing* back from getent passwd.  I'm guessing this means
> > I've got a .so file in the wrong place somewhere.  Following the
> > instructions online, I have
> >
> > /lib/libnss_winbind.so.2
> > /lib/libnss_winbind.so -> /lib/libnss_winbind.so.2
> > /usr/lib/libnss_winbind.so -> /lib/libnss_winbind.so.2
> >
> > This sure looks correct, but it's pretty clear that winbind isn't
> > getting called.
> >
> > ~Eric
> >
> > -----Original Message-----
> > From: Stas [mailto:narezatel at gmail.com]
> > Sent: Monday, October 08, 2007 5:04 PM
> > To: Eric Diven
> > Cc: samba at lists.samba.org
> > Subject: Re: [Samba] Can't chown a file to an ADS username
> >
> > the winbindd.log you posted contains winbind startup messages?
> > if not try to restart winbind and check winbind log for errors .
> > /etc/nsswitch.conf contains winbind related strings?
> >
> >
> > On 10/8/07, Eric Diven <eric.diven at edsiohio.com> wrote:
> > > I'm not actually getting much from it.  I'm assuming that all of
> > > winbinds logging goes to [logpath]/winbindd.log.
> > >
> > > If that's the case, I'm seeing nsswitch related stuff happening when
>
> > > winbind starts up, but not when I run getent passwd.
> > > I'm running winbind at debug level 3.
> > >
> > > [root at localhost ~]# cat /var/log/samba/winbindd.log
> > > [2007/10/08 13:18:23, 2] lib/interface.c:add_interface(81)
> > >   added interface ip=192.168.100.80 bcast=192.168.100.255
> > > nmask=255.255.255.0
> > > [2007/10/08 13:18:23, 2] lib/interface.c:add_interface(81)
> > >   added interface ip=192.168.100.80 bcast=192.168.100.255
> > > nmask=255.255.255.0
> > > [2007/10/08 13:18:23, 2] lib/tallocmsg.c:register_msg_pool_usage(61)
> > >   Registered MSG_REQ_POOL_USAGE
> > > [2007/10/08 13:18:23, 2] lib/dmallocmsg.c:register_dmalloc_msgs(71)
> > >   Registered MSG_REQ_DMALLOC_MARK and LOG_CHANGED
> > > [2007/10/08 13:18:23, 2]
> > > nsswitch/winbindd_util.c:add_trusted_domain(175)
> > >   Added domain EDSI EDSI.EDSI-INT.COM
> > > S-1-5-21-1993962763-329068152-1801674531
> > > [2007/10/08 13:18:23, 2]
> > > nsswitch/winbindd_util.c:add_trusted_domain(175)
> > >   Added domain LOCALHOST  S-1-5-21-9612232-2512366426-966941693
> > > [2007/10/08 13:18:23, 2]
> > > nsswitch/winbindd_util.c:add_trusted_domain(175)
> > >   Added domain BUILTIN  S-1-5-32
> > > [2007/10/08 13:18:23, 3]
> > > nsswitch/winbindd_misc.c:winbindd_interface_version(483)
> > >   [    0]: request interface version
> > > [2007/10/08 13:18:23, 3]
> > > nsswitch/winbindd_misc.c:winbindd_priv_pipe_dir(516)
> > >   [    0]: request location of privileged pipe
> > > [2007/10/08 13:18:23, 3] nsswitch/winbindd_misc.c:winbindd_ping(462)
> > >   [    0]: ping
> > > [root at localhost ~]#
> > >
> > > This is the result of clearing the log, restarting samba, and
> > > running getent passwd.  Nothing gets added to the log when I run it.
>
> > > It's greek to me what the stuff from winbind start up means, but I'm
>
> > > a little suspicious that nothing shows up on getent passwd.
> > >
> > > ~Eric
> > >
> > > -----Original Message-----
> > > From: Stas [mailto:narezatel at gmail.com]
> > > Sent: Monday, October 08, 2007 12:50 PM
> > > To: Eric Diven
> > > Cc: samba at lists.samba.org
> > > Subject: Re: [Samba] Can't chown a file to an ADS username
> > >
> > > winbind's log may be helpful
> > >
> > >
> > >
> > > On 10/8/07, Eric Diven <eric.diven at edsiohio.com> wrote:
> > > > I've got a samba install on Linux with winbind installed, etc.
> > > > I've
> >
> > > > configured it the same as I have under Solaris, but for some
> > > > reason,
> >
> > > > I
> > >
> > > > can't chown a file to an AD username.  I have joined the box to
> > > > the domain, I can wbinfo -u/-g and get lists of users and groups
> > > > on the domain.  When I run getent passwd or getent group, however,
>
> > > > I don't see any of the domain users and groups.  I have winbind
> > > > enum users and
> > >
> > > > groups = yes in the smb.conf file.
> > > >
> > > > Eventually, I need to be able to accomplish this with enum users
> > > > and
> >
> > > > groups = no for a large domain, but I'm trying to duplicate a
> > > > problem we're have with Solaris.
> > > >
> > > > Any ideas?  I'm happy to furnish further info/configs/logs on
> > request.
> > > >
> > > > ~Eric
> > > > --
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