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Operating Systems AIX Samba 3.6 on AIX 7.1 - Windows 10 Access to AIX file shares using Active Directory authentication Post 303039870 by linuxsnake on Wednesday 16th of October 2019 04:02:33 PM
Old 10-16-2019
I have managed to install samba and kerberos and configured smb.conf, krb5.conf and methods.cfg

I ran the following commands to join the Windows Domain from AIX:

1) kinit <username> using my current Windows user name that I log on to the domain with. Initially I had some problems with time synchronisation (scew time was out). To resolve this I configured ntp daemon pointing it to the domain server and I forced a time synchronisation. After this the command worked and I generated a kerberos key.

2) net ads join -U <username> using my current Windows user name that I log on to the domain with.

Both these commands worked so I joined the Windows domain.


At this stage I ran some test commands:

wbinfo --ping-dc - This came back positive as SUCCESS

wbinfo -g - This brings back a list of all domain groups on the domain controller
wbinfo -u - This brings back a list in unix of all the windows user names on the domain controller

Samba appears to be running ok however the folder I'm trying to share on AIX is still not visible when I try and access it via Windows \\unixserver\sharename . No errors it just isn't recognised by windows as a share.

I logged on a Windows machine to see if my Unix machine can be found in Active Directory. I found it listed under computers (its a member of one group - domain users)


I have 2 questions so far:

1) When configuring Kerberos all the guides refer to winbind settings in methods.cfg

There is a reference in this config file to WINBIND and DCE file locations:

Code:
WINBIND:
        program = /usr/lib/security/WINBIND
        program_64 = /usr/lib/security/WINBIND_64
DCE:
        program = /usr/lib/security/DCE

When I check my AIX system these files do not exist. I ran a find searching the whole system. /usr/lib/security exists but WINBIND , WINBIND_64 and DCE do not exist. The latest winbind packages have already been installed via yum so I'm on the latest version for AIX 7.1

In /opt/freeware/lib/security there are 2 files pam_winbind.so and pam_smbpass.so. I believe I may need to copy these to /usr/lib/security ?
The question is why dont I have WINBIND or WINBIND_64 on my system and how do I get hold of these? I presume I need methods.cfg to use these WINBIND library files in order for my fileshare to work?
I don't need to authenticate users to login to the unix shell. I just need a group of windows users (from one AD group) to access an AIX fileshare (without a requirement to enter a password) - authenticating using active directory account.

2) Currently I have joined the domain as a regular windows user. This allows me to interrogate Active Directory and list all users and groups. I presume to get this working correctly I will need to join the domain as a Windows user with a higher level of rights (perhaps domain administrator rights?). Can anyone tell me what group the Windows user should be a member of to get file sharing working so a specific AD group of Windows users can access a shared AIX folder authenticating with their windows password (no need to enter one)? I'm guessing my regular Windows user account won't give me what we need.

I've switched logging up to 3 for samba.log to try and give me an idea of why this is failing but if anyone has got this working appreciate any suggestions.
 

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LIBSMBCLIENT(7) 							 7							   LIBSMBCLIENT(7)

NAME
libsmbclient - An extension library for browsers and that can be used as a generic browsing API. SYNOPSIS
Browser URL: smb://[[[domain:]user[:password@]]server[/share[/path[/file]]]] [?options] DESCRIPTION
This tool is part of the samba(7) suite. libsmbclient is a library toolset that permits applications to manipulate CIFS/SMB network resources using many of the standards POSIX functions available for manipulating local UNIX/Linux files. It permits much more than just browsing, files can be opened and read or written, permissions changed, file times modified, attributes and ACL's can be manipulated, and so on. Of course, its functionality includes all the capabilities commonly called browsing. libsmbclient can not be used directly from the command line, instead it provides an extension of the capabilities of tools such as file managers and browsers. This man page describes the configuration options for this tool so that the user may obtain greatest utility of use. OPTIONS
What the URLs mean: smb:// Shows all workgroups or domains that are visible in the network. The behavior matches that of the Microsoft Windows Explorer. The method of locating the list of workgroups (domains also) varies depending on the setting of the context variable (context->options.browse_max_lmb_count). It is the responsibility of the application that calls this library to set this to a sensible value. This is a compile-time option. This value determines the maximum number of local master browsers to query for the list of workgroups. In order to ensure that the list is complete for those present on the network, all master browsers must be queried. If there are a large number of workgroups on the network, the time spent querying will be significant. For small networks (just a few workgroups), it is suggested to set this value to 0, instructing libsmbclient to query all local master browsers. In an environment that has many workgroups a more reasonable setting may be around 3. smb://name/ This command causes libsmbclient to perform a name look-up. If the NAME<1D> or NAME<1B> exists (workgroup name), libsmbclient will list all servers in the workgroup (or domain). Otherwise, a name look-up for the NAME<20> (machine name) will be performed, and the list of shared resources on the server will be displayed. When libsmbclient is invoked by an application it searches for a directory called .smb in the $HOME directory that is specified in the users shell environment. It then searches for a file called smb.conf which, if present, will fully over-ride the system /etc/samba/smb.conf file. If instead libsmbclient finds a file called ~/.smb/smb.conf.append, it will read the system /etc/samba/smb.conf and then append the contents of the ~/.smb/smb.conf.append to it. libsmbclient will check the users shell environment for the USER parameter and will use its value when if the user parameter was not included in the URL. PROGRAMMERS GUIDE
Watch this space for future updates. VERSION
This man page is correct for version 3 of the Samba suite. AUTHOR
The original Samba software and related utilities were created by Andrew Tridgell. Samba is now developed by the Samba Team as an Open Source project similar to the way the Linux kernel is developed. The libsmbclient manpage page was written by John H Terpstra. Samba 4.0 06/17/2014 LIBSMBCLIENT(7)
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