[linux-cifs-client] suddenly doesn't work with the username and password in credentials=... in the mount line

[Jeff Layton]

On Sun, 08 Nov 2009 13:18:50 -0500
Kin Yip <kinyip at bnl.gov> wrote:

> Hi,
> 
> I'm using Scientific Linux 5.3 (~ RedHat Enterprise 5.3).
> 
> After a reboot today, I probably have switched to a new kernel, "uname 
> -a" gives :
> 
> Linux yipkin.c-ad.bnl.gov 2.6.18-128.7.1.el5 #1 SMP Mon Aug 24 08:22:26 
> EDT 2009 i686 i686 i386 GNU/Linux
> 
> Somehow, the auto-mounting with cifs for the following line in 
> /etc/fstab doesn't work but it used to work :
> 
> //c-adweb/data          /mnt/c-adweb            cifs    
> domain=BNL,credentials=/root/.credentials,gid=kinyip,uid=kinyip 0 0
> 
> I see error in /var/log/message:
> Nov  8 13:11:50 yipkin kernel: Status code returned 0xc000006d 
> NT_STATUS_LOGON_FAILURE
> Nov  8 13:11:50 yipkin kernel:  CIFS VFS: Send error in SessSetup = -13
> Nov  8 13:11:50 yipkin kernel:  CIFS VFS: cifs_mount failed w/return 
> code = -13
> 
> Using the command :
>    mount -t cifs -o 
> domain=BNL,credentials=/root/.credentials,gid=500,uid=500  
> //c-adweb/data /mnt/c-adweb
> 
> would get me :
> mount error 13 = Permission denied
> Refer to the mount.cifs(8) manual page (e.g.man mount.cifs)
> 
> And I can see the same errors in /var/log/message (or dmesg).
> 
> If I do "mount -t cifs -o domain=BNL,user=kinyip,gid=500,uid=500  
> //c-adweb/data /mnt/c-adweb", it would ask me for password and
> then it'd mount successfully !!
> 
> In my file /root/.credentials  ("ls" would have : -rw------- 1 root root 
> 39 Nov  8 13:02 /root/.credentials ), it's like
> username=kinyip
> password=$.....
> 
> My first character of my password is $ and I'm wondering whether this is 
> creating trouble ????  I've tried "\$...." but it doesn't help.
> 
> Any idea ???

Known regression. mount.cifs isn't stripping the trailing "\n" off of
the password in cred files. We'll be shipping a fixed package for RHEL
soon.

-- 
Jeff Layton <jlayton at redhat.com>