From: Craig Moran <craig.m.moran.ruby@...>
Date: 2005-04-26T04:33:47+09:00
Subject: Re: Get the Current Domain Name in Windows

Try this for a simple solution:

require 'win32ole'
p ENV['USERDOMAIN']

These extra ENV arguments should work as well.  To cite the source, I
Googled and found them in this blog:
http://blogs.officezealot.com/charles/archive/2004/12/10/3574.aspx

ALLUSERSPROFILE
APPDATA
AVENGINE
CLIENTNAME
CommonProgramFiles
COMPUTERNAME
ComSpec
FP_NO_HOST_CHECK
HOMEDRIVE
HOMEPATH
INCLUDE
INOCULAN
LIB
LOGONSERVER
NUMBER_OF_PROCESSORS
OS
Path
PATHEXT
PROCESSOR_ARCHITECTURE
PROCESSOR_IDENTIFIER
PROCESSOR_LEVEL
PROCESSOR_REVISION
ProgramFiles
SESSIONNAME
SystemDrive
SystemRoot
TEMP
TMP
USERDOMAIN
USERNAME
USERPROFILE
VS71COMNTOOLS
WecVersionForRosebud.FF0
windir

On 4/25/05, Brian Takita <brian.takita@gmail.com> wrote:
> Hello,
> 
> I am trying to find out the domain name for the current user.
> This is my first endeavor into dl/win32 and I am having no luck getting
> the data.
> 
> Here is a reference to the function I am trying to call:
> http://msdn.microsoft.com/library/default.asp?url=/library/en-us/netmgmt/netmgmt/netwkstausergetinfo.asp
> 
> Here is a reference to the struct where I am trying to extract the data
> from:
> http://msdn.microsoft.com/library/default.asp?url=/library/en-us/netmgmt/netmgmt/wksta_user_info_1_str.asp
> 
> Here is my code with the results in the header:
> 
> # username:
> # logon_domain:
> # oth_domains:
> # logon_server:
> 
> require 'dl/win32'
> 
> getUserNameInfo = Win32API.new('Netapi32.dll', 'NetWkstaUserGetInfo',
> %w{p l P}, 'i')
> bufferFree = Win32API.new('Netapi32.dll', 'NetApiBufferFree', %w{p},
> 'l')
> 
> reserved = "\0" * 4
> buf = " " * 4 * 255
> 
> begin
>         getUserNameInfo.call(reserved, 1, buf)
>         username, logon_domain, oth_domains, logon_server = buf.unpack('AAAA')
>         puts 'username: ' + username
>         puts 'logon_domain: ' + logon_domain
>         puts 'oth_domains: ' + oth_domains
>         puts 'logon_server: ' + logon_server
> ensure
>         bufferFree.call(buf)
> end
> 
> Thank you,
> Brian Takita
> 
>