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

[Günter Kukkukk]

Am Sonntag, 8. November 2009 schrieb Kin Yip:
> 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 ???
> 
> Kin

the credentials file access is done by the cifs mount helper applet mount.cifs,
part of the samba client tools.
Is that one still accessible on your box?

You can do a check when using strace (or similar):
strace mount -t cifs -o domain=BNL,credentials=/root/.credentials,gid=500,uid=500 //c-adweb/data /mnt/c-adweb

Cheers, Günter