[Bug 1113395] Re: mount.cifs on 13.04 fails to mount a samba share with 13: Permission Denied

[Kruno]

Migrating from Ubuntu 12.04LTS to 16.04LTS also brokes cifs mount for
me. I was having following in my fstab file:

/192.168.10.1/server_share/ /mnt/my_point cifs
iocharacterset=utf8,sec=ntlm,credentials=/home/kruno/.smbcredentials,uid=1000,gid=1000
0 0

As I read elsewhere you need to separate username and domain in
credential file. I did that too. Still having permission denied errror
when try to use "mount -a" command

I also tried to put username, domain and password directly in fstab command. Same errror.
I'm sure that username and password is correct, because following command properly mount drive:

mount -t cifs //192.168.10.1/server_share/ /mnt/my_point -o username=my-
username,password=my-password,domain=MYDOMAIN

Finally, found elsewhere that "mount -a -v" command can give more data.
After that I got this response:

mount.cifs kernel mount options:
ip=192.168.10.1,unc=\\192.168.10.1\server_share,iocharacterset=utf8,sec=ntlmv,uid=1000,gid=1000,user
=my-username,,domain=MYDOMAIN,pass=********


Please note double "," between username and domain. Happens with both,
using credential files and direct input of username and password trough
fstab command line.

My server that I try to cennect to is still on ubuntu 12.04LTS while
client is 16.04

I hope that this bit of info can help to solve this bug

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https://bugs.launchpad.net/bugs/1113395

Title:
  mount.cifs on 13.04 fails to mount a samba share with 13: Permission
  Denied

Status in cifs-utils package in Ubuntu:
  Confirmed

Bug description:
  I mount my samba shares with the following command:

  sudo mount -t cifs -o user=admin,password=very.long.password.with.dot
  //server/sharename /pub/disk

  On 12.10, the command works flawlessly and correctly mounts the share.
  After I upgraded to 13.04, the command no longer worked and always
  produced the following output:

  mount error(13): Permission denied
  Refer to the mount.cifs(8) manual page (e.g. man mount.cifs)

  Note that accessing the samba mount with krusader works correctly (I have to input the username/password of course).
  I am no longer on Ubuntu 13.04 so I cannot provide exact versions of packages. But the error is reproducible on a fully updated Ubuntu 13.04 x86-32. My guess is that the error occurs because the password contains a dot character and the -o parameter gets parsed incorrectly. Or perhaps the password is too long (27 characters).
  Thank you

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