[SOLVED] Slackware 14.1 64-bit samba user authentication problem

Erik_FL · 03-01-2014, 05:52 PM

I'm having a problem with samba that I can't seem to solve on Slackware 14.1. I had the same "smb.conf" working on slackware 14.0 with no problem.

I am using "security = user", so that should not be an issue.

I have one share named "root" defined to access "/" on the system. I have one user named "erik" defined with a password. I added the password using this command.

Code:

smbpasswd -a erik

Here is my "smb.conf" file.

Code:

[global]
   workgroup = ERIKWG1
   server string = Erik's Linux PC 1
   security = user
   hosts allow = 192.168.1. 192.168.175. 127.
   load printers = yes
   log file = /var/log/samba.%m
   max log size = 50
   socket options = TCP_NODELAY
   dns proxy = no
   browseable = no

[homes]
   comment = Home Directories
   browseable = no
   read only = no
   valid users = %S

[root]
   browseable = no
   read only = no
   valid users = erik
   force user = root
   path = /

[printers]
   comment = All Printers
   path = /var/spool/samba
   browseable = no
   guest ok = no
   writable = no
   printable = yes

When I try to access a share from the same computer or a different computer I always get the same error.

Code:

mount -o user=erik -t cifs //eriklnxpc1/root /mnt/hd
Password: 
mount error(13): Permission denied

mount -o user=erik -t cifs //192.168.1.11/root /mnt/hd
Password: 
mount error(13): Permission denied

I get the same error trying to access the share from KDE or a Windows computer.

After a little bit of experimenting, it appears that this is the cause of the problem.

Code:

   force user = root

If I remove that from "smb.conf" then I can access the files but with the permissions for user "erik" rather than the desired "root" user permissions.

I checked the log files on the server in "/var/log" and they are completely empty as if the client never tried to connect. For example, "/var/log/samba.eriklnxpc6" is empty.

The "/var/log/samba.smbd" file does have messages but they do not seem to relate to my problem.

Code:

[2014/03/01 12:56:31.022912,  0] ../source3/printing/print_cups.c:151(cups_connect)
  Unable to connect to CUPS server localhost:631 - Connection refused
[2014/03/01 12:56:31.023222,  0] ../source3/printing/print_cups.c:528(cups_async_callback)
  failed to retrieve printer list: NT_STATUS_UNSUCCESSFUL
[2014/03/01 12:59:31.203602,  0] ../source3/printing/print_cups.c:151(cups_connect)
  Unable to connect to CUPS server localhost:631 - Connection refused
[2014/03/01 12:59:31.203828,  0] ../source3/printing/print_cups.c:528(cups_async_callback)
  failed to retrieve printer list: NT_STATUS_UNSUCCESSFUL
[2014/03/01 14:58:08.937309,  0] ../source3/printing/print_cups.c:151(cups_connect)
  Unable to connect to CUPS server localhost:631 - Connection refused
[2014/03/01 14:58:08.949386,  0] ../source3/printing/print_cups.c:528(cups_async_callback)
  failed to retrieve printer list: NT_STATUS_UNSUCCESSFUL
[2014/03/01 15:10:09.530573,  0] ../source3/printing/print_cups.c:151(cups_connect)
  Unable to connect to CUPS server localhost:631 - Connection refused
[2014/03/01 15:10:09.530873,  0] ../source3/printing/print_cups.c:528(cups_async_callback)
  failed to retrieve printer list: NT_STATUS_UNSUCCESSFUL
[2014/03/01 15:15:06.889411,  0] ../lib/util/pidfile.c:153(pidfile_unlink)
  Failed to delete pidfile /var/run/smbd.pid. Error was No such file or directory
[2014/03/01 15:58:41.565856,  0] ../source3/printing/print_cups.c:151(cups_connect)
  Unable to connect to CUPS server localhost:631 - Connection refused
[2014/03/01 15:58:41.578029,  0] ../source3/printing/print_cups.c:528(cups_async_callback)
  failed to retrieve printer list: NT_STATUS_UNSUCCESSFUL
[2014/03/01 16:10:42.100753,  0] ../source3/printing/print_cups.c:151(cups_connect)
  Unable to connect to CUPS server localhost:631 - Connection refused
[2014/03/01 16:10:42.101002,  0] ../source3/printing/print_cups.c:528(cups_async_callback)
  failed to retrieve printer list: NT_STATUS_UNSUCCESSFUL
[2014/03/01 16:23:42.704342,  0] ../source3/printing/print_cups.c:151(cups_connect)
  Unable to connect to CUPS server localhost:631 - Connection refused
[2014/03/01 16:23:42.704588,  0] ../source3/printing/print_cups.c:528(cups_async_callback)
  failed to retrieve printer list: NT_STATUS_UNSUCCESSFUL
[2014/03/01 16:36:43.408196,  0] ../source3/printing/print_cups.c:151(cups_connect)
  Unable to connect to CUPS server localhost:631 - Connection refused
[2014/03/01 16:36:43.408394,  0] ../source3/printing/print_cups.c:528(cups_async_callback)
  failed to retrieve printer list: NT_STATUS_UNSUCCESSFUL
[2014/03/01 16:49:44.001745,  0] ../source3/printing/print_cups.c:151(cups_connect)
  Unable to connect to CUPS server localhost:631 - Connection refused
[2014/03/01 16:49:44.001995,  0] ../source3/printing/print_cups.c:528(cups_async_callback)
  failed to retrieve printer list: NT_STATUS_UNSUCCESSFUL
[2014/03/01 16:57:14.487167,  0] ../lib/util/pidfile.c:153(pidfile_unlink)
[2014/03/01 16:57:16.596275,  0] ../source3/printing/print_cups.c:151(cups_connect)
  Unable to connect to CUPS server localhost:631 - Connection refused
[2014/03/01 16:57:16.596561,  0] ../source3/printing/print_cups.c:528(cups_async_callback)
  failed to retrieve printer list: NT_STATUS_UNSUCCESSFUL
[2014/03/01 16:58:16.656679,  0] ../source3/printing/print_cups.c:151(cups_connect)
  Unable to connect to CUPS server localhost:631 - Connection refused
[2014/03/01 16:58:16.656903,  0] ../source3/printing/print_cups.c:528(cups_async_callback)
  failed to retrieve printer list: NT_STATUS_UNSUCCESSFUL
[2014/03/01 17:09:16.820323,  0] ../lib/util/pidfile.c:153(pidfile_unlink)
[2014/03/01 17:09:52.366597,  0] ../source3/printing/print_cups.c:151(cups_connect)
  Unable to connect to CUPS server localhost:631 - Connection refused
[2014/03/01 17:09:52.366875,  0] ../source3/printing/print_cups.c:528(cups_async_callback)
  failed to retrieve printer list: NT_STATUS_UNSUCCESSFUL
[2014/03/01 17:10:52.426885,  0] ../source3/printing/print_cups.c:151(cups_connect)
  Unable to connect to CUPS server localhost:631 - Connection refused
[2014/03/01 17:10:52.427125,  0] ../source3/printing/print_cups.c:528(cups_async_callback)
  failed to retrieve printer list: NT_STATUS_UNSUCCESSFUL
[2014/03/01 17:22:24.292529,  0] ../source3/printing/print_cups.c:151(cups_connect)
  Unable to connect to CUPS server localhost:631 - Connection refused
[2014/03/01 17:22:24.292819,  0] ../source3/printing/print_cups.c:528(cups_async_callback)
  failed to retrieve printer list: NT_STATUS_UNSUCCESSFUL
[2014/03/01 17:23:24.352980,  0] ../source3/printing/print_cups.c:151(cups_connect)
  Unable to connect to CUPS server localhost:631 - Connection refused
[2014/03/01 17:23:24.353175,  0] ../source3/printing/print_cups.c:528(cups_async_callback)
  failed to retrieve printer list: NT_STATUS_UNSUCCESSFUL
[2014/03/01 17:28:33.262948,  0] ../lib/util/pidfile.c:153(pidfile_unlink)
[2014/03/01 17:28:35.292343,  0] ../source3/printing/print_cups.c:151(cups_connect)
  Unable to connect to CUPS server localhost:631 - Connection refused
[2014/03/01 17:28:35.292661,  0] ../source3/printing/print_cups.c:528(cups_async_callback)
  failed to retrieve printer list: NT_STATUS_UNSUCCESSFUL
[2014/03/01 17:29:35.351990,  0] ../source3/printing/print_cups.c:151(cups_connect)
  Unable to connect to CUPS server localhost:631 - Connection refused
[2014/03/01 17:29:35.352129,  0] ../source3/printing/print_cups.c:528(cups_async_callback)
  failed to retrieve printer list: NT_STATUS_UNSUCCESSFUL
[2014/03/01 17:42:36.133359,  0] ../source3/printing/print_cups.c:151(cups_connect)
  Unable to connect to CUPS server localhost:631 - Connection refused
[2014/03/01 17:42:36.133567,  0] ../source3/printing/print_cups.c:528(cups_async_callback)
  failed to retrieve printer list: NT_STATUS_UNSUCCESSFUL
[2014/03/01 17:55:36.876221,  0] ../source3/printing/print_cups.c:151(cups_connect)
  Unable to connect to CUPS server localhost:631 - Connection refused
[2014/03/01 17:55:36.876427,  0] ../source3/printing/print_cups.c:528(cups_async_callback)
  failed to retrieve printer list: NT_STATUS_UNSUCCESSFUL
[2014/03/01 18:08:37.657684,  0] ../source3/printing/print_cups.c:151(cups_connect)
  Unable to connect to CUPS server localhost:631 - Connection refused
[2014/03/01 18:08:37.657912,  0] ../source3/printing/print_cups.c:528(cups_async_callback)
  failed to retrieve printer list: NT_STATUS_UNSUCCESSFUL
[2014/03/01 18:13:01.215781,  0] ../lib/util/pidfile.c:153(pidfile_unlink)
[2014/03/01 18:13:03.244872,  0] ../source3/printing/print_cups.c:151(cups_connect)
  Unable to connect to CUPS server localhost:631 - Connection refused
[2014/03/01 18:13:03.245154,  0] ../source3/printing/print_cups.c:528(cups_async_callback)
  failed to retrieve printer list: NT_STATUS_UNSUCCESSFUL
[2014/03/01 18:14:03.305362,  0] ../source3/printing/print_cups.c:151(cups_connect)
  Unable to connect to CUPS server localhost:631 - Connection refused
[2014/03/01 18:14:03.305582,  0] ../source3/printing/print_cups.c:528(cups_async_callback)
  failed to retrieve printer list: NT_STATUS_UNSUCCESSFUL
[2014/03/01 18:14:34.455845,  0] ../lib/util/pidfile.c:153(pidfile_unlink)
  Failed to delete pidfile /var/run/smbd.pid. Error was No such file or directory
[2014/03/01 18:14:55.828252,  0] ../source3/printing/print_cups.c:151(cups_connect)
  Unable to connect to CUPS server localhost:631 - Connection refused
[2014/03/01 18:14:55.828540,  0] ../source3/printing/print_cups.c:528(cups_async_callback)
  failed to retrieve printer list: NT_STATUS_UNSUCCESSFUL
[2014/03/01 18:15:29.365161,  0] ../source3/printing/print_cups.c:151(cups_connect)
  Unable to connect to CUPS server localhost:631 - Connection refused
[2014/03/01 18:15:29.365457,  0] ../source3/printing/print_cups.c:528(cups_async_callback)
  failed to retrieve printer list: NT_STATUS_UNSUCCESSFUL
[2014/03/01 18:16:29.425472,  0] ../source3/printing/print_cups.c:151(cups_connect)
  Unable to connect to CUPS server localhost:631 - Connection refused
[2014/03/01 18:16:29.425608,  0] ../source3/printing/print_cups.c:528(cups_async_callback)
  failed to retrieve printer list: NT_STATUS_UNSUCCESSFUL
[2014/03/01 18:29:30.103085,  0] ../source3/printing/print_cups.c:151(cups_connect)
  Unable to connect to CUPS server localhost:631 - Connection refused
[2014/03/01 18:29:30.103298,  0] ../source3/printing/print_cups.c:528(cups_async_callback)
  failed to retrieve printer list: NT_STATUS_UNSUCCESSFUL

I have tried deleting the files in "/etc/samba/private" and re-adding the user "erik" with the correct password. I also can log in to "erik" at the linux console using the password defined in "shadow" that is the same as the password for samba.

Any suggestions will be appreciated. I was able to use "force user = root" on Slackware 14.0.

Erik_FL · 03-01-2014, 06:14 PM

I solved the problem. I'm not sure if this is a bug, but I now have to list "root" as a valid user even though there is no "root" login account for samba. Previously, the forced user did not have to be enabled as a valid samba user, and did not have to be able to access the share using samba.

Code:

   valid users = root, erik
   force user = root

I haven't thought through the possible security implications, but I assume that if I were to explicitly disallow "root" from logging into samba then no shares could use "force user = root" either.