[Samba] Map to Guest not working

[Rowland Penny]

On 19/04/15 22:02, Brian C. Huffman wrote:
> All,
>
> I've migrated a share from an older samba server (3.0.33) running on a 
> Sun Solaris box to a newer samba server (3.6.23) running on a RedHat 
> Linux 6 box.
>
> For the most part I've tried to keep the configuration the same 
> (simply to make the migration easier since I'm not an expert on Samba 
> config options).
>
> I got the authentication working (security=domain) but now I'm finding 
> that users that don't have an account on the samba server can not get 
> access to the share.  This was not the case on the old server.
>
> It appears that the following option should allow that to happen but 
> it doesn't seem to be working on the new server:
>         guest account = nobody
>         map to guest = Bad Uid
>
> I see this in the logs when the user tries to login:
>
>   Trying _Get_Pwnam(), username as given is DS\bhuffman
> [2015/04/19 16:07:38.221277,  5] lib/username.c:134(Get_Pwnam_internals)
>   Trying _Get_Pwnam(), username as uppercase is DS\BHUFFMAN
> [2015/04/19 16:07:38.221334,  5] lib/username.c:143(Get_Pwnam_internals)
>   Checking combinations of 0 uppercase letters in ds\bhuffman
> [2015/04/19 16:07:38.221375,  5] lib/username.c:149(Get_Pwnam_internals)
>   Get_Pwnam_internals didn't find user [DS\bhuffman]!
> [2015/04/19 16:07:38.221415,  5] lib/username.c:171(Get_Pwnam_alloc)
>   Finding user bhuffman
> [2015/04/19 16:07:38.221454,  5] lib/username.c:116(Get_Pwnam_internals)
>   Trying _Get_Pwnam(), username as lowercase is bhuffman
> [2015/04/19 16:07:38.221545,  5] lib/username.c:134(Get_Pwnam_internals)
>   Trying _Get_Pwnam(), username as uppercase is BHUFFMAN
> [2015/04/19 16:07:38.221612,  5] lib/username.c:143(Get_Pwnam_internals)
>   Checking combinations of 0 uppercase letters in bhuffman
> [2015/04/19 16:07:38.221653,  5] lib/username.c:149(Get_Pwnam_internals)
>   Get_Pwnam_internals didn't find user [bhuffman]!
> [2015/04/19 16:07:38.221701,  5] lib/username.c:171(Get_Pwnam_alloc)
>   Finding user bhuffman
> [2015/04/19 16:07:38.221741,  5] lib/username.c:116(Get_Pwnam_internals)
>   Trying _Get_Pwnam(), username as lowercase is bhuffman
> [2015/04/19 16:07:38.221796,  5] lib/username.c:134(Get_Pwnam_internals)
>   Trying _Get_Pwnam(), username as uppercase is BHUFFMAN
> [2015/04/19 16:07:38.221853,  5] lib/username.c:143(Get_Pwnam_internals)
>   Checking combinations of 0 uppercase letters in bhuffman
> [2015/04/19 16:07:38.221893,  5] lib/username.c:149(Get_Pwnam_internals)
>   Get_Pwnam_internals didn't find user [bhuffman]!
> [2015/04/19 16:07:38.221932,  3] auth/auth_util.c:1073(check_account)
>   Failed to find authenticated user DS\bhuffman via getpwnam(), 
> denying access.
> [2015/04/19 16:07:38.222590,  5] auth/auth.c:281(check_ntlm_password)
>   check_ntlm_password: winbind authentication for user [bhuffman] 
> FAILED with error NT_STATUS_NO_SUCH_USER
> [2015/04/19 16:07:38.222650,  2] auth/auth.c:330(check_ntlm_password)
>   check_ntlm_password:  Authentication for user [bhuffman] -> 
> [bhuffman] FAILED with error NT_STATUS_NO_SUCH_USER
> [2015/04/19 16:07:38.222701,  3] smbd/error.c:81(error_packet_set)
>   error packet at smbd/sesssetup.c(124) cmd=115 (SMBsesssetupX) 
> NT_STATUS_LOGON_FAILURE
>
> Here is my full smb.conf:
> [global]
>         workgroup = XY
>         server string = File Server
>         netbios name = SERVER01
>
>         security = domain
>         encrypt passwords = Yes
>         password server = a.b.c.d
>
>         guest account = nobody
>         map to guest = Bad Uid
>
>         wins server = a.b.c.d
>         load printers = no
>         cups options = raw
>
>
> [share]
>    comment = Data
>    path = /data/share
>    public = yes
>    writable = no
>    printable = no
>
> Thanks,
> Brian

Try 'map to guest = Bad User'

Rowland