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https://github.com/inspec/inspec
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replace wmi win32_useraccount with adsi users
This commit is contained in:
Christoph Hartmann
parent
a588c7599e
commit
dab8ff5c13
5 changed files with 141 additions and 99 deletions
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@ -547,21 +547,12 @@ module Inspec::Resources
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end
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end
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# For now, we stick with WMI Win32_UserAccount
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# This optimization was inspired by
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# @see https://mcpmag.com/articles/2015/04/15/reporting-on-local-accounts.aspx
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# Alternative solutions are WMI Win32_UserAccount
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# @see https://msdn.microsoft.com/en-us/library/aa394507(v=vs.85).aspx
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# @see https://msdn.microsoft.com/en-us/library/aa394153(v=vs.85).aspx
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#
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# using Get-AdUser would be the best command for domain machines, but it will not be installed
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# on client machines by default
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# @see https://technet.microsoft.com/en-us/library/ee617241.aspx
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# @see https://technet.microsoft.com/en-us/library/hh509016(v=WS.10).aspx
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# @see http://woshub.com/get-aduser-getting-active-directory-users-data-via-powershell/
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# @see http://stackoverflow.com/questions/17548523/the-term-get-aduser-is-not-recognized-as-the-name-of-a-cmdlet
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#
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# Just for reference, we could also use ADSI (Active Directory Service Interfaces)
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# @see https://mcpmag.com/articles/2015/04/15/reporting-on-local-accounts.aspx
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class WindowsUser < UserInfo
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# parse windows account name
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def parse_windows_account(username)
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account = username.split('\\')
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name = account.pop
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@ -570,67 +561,92 @@ module Inspec::Resources
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end
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def identity(username)
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# extract domain/user information
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account, domain = parse_windows_account(username)
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# TODO: we look for local users only at this point
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name, _domain = parse_windows_account(username)
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return if collect_user_details.nil?
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res = collect_user_details.select { |user| user[:username] == name }
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res[0] if res.length > 0
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end
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# TODO: escape content
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if !domain.nil?
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filter = "Name = '#{account}' and Domain = '#{domain}'"
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else
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filter = "Name = '#{account}' and LocalAccount = true"
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end
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def list_users
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collect_user_details.map { |user| user[:username] }
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end
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# https://msdn.microsoft.com/en-us/library/aa746340(v=vs.85).aspx
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def collect_user_details # rubocop:disable Metrics/MethodLength
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return @users_cache if defined?(@users_cache)
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script = <<-EOH
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# find user
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$user = Get-WmiObject Win32_UserAccount -filter "#{filter}"
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# get related groups
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$groups = $user.GetRelated('Win32_Group') | Select-Object -Property Caption, Domain, Name, LocalAccount, SID, SIDType, Status
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# filter user information
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$user = $user | Select-Object -Property Caption, Description, Domain, Name, LocalAccount, Lockout, PasswordChangeable, PasswordExpires, PasswordRequired, SID, SIDType, Status, Disabled
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# build response object
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New-Object -Type PSObject | `
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Add-Member -MemberType NoteProperty -Name User -Value ($user) -PassThru | `
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Add-Member -MemberType NoteProperty -Name Groups -Value ($groups) -PassThru | `
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ConvertTo-Json
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Function ConvertTo-SID { Param([byte[]]$BinarySID)
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(New-Object System.Security.Principal.SecurityIdentifier($BinarySID,0)).Value
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}
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Function Convert-UserFlag { Param ($UserFlag)
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$List = @()
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Switch ($UserFlag) {
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($UserFlag -BOR 0x0001) { $List += 'SCRIPT' }
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($UserFlag -BOR 0x0002) { $List += 'ACCOUNTDISABLE' }
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($UserFlag -BOR 0x0008) { $List += 'HOMEDIR_REQUIRED' }
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($UserFlag -BOR 0x0010) { $List += 'LOCKOUT' }
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($UserFlag -BOR 0x0020) { $List += 'PASSWD_NOTREQD' }
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($UserFlag -BOR 0x0040) { $List += 'PASSWD_CANT_CHANGE' }
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($UserFlag -BOR 0x0080) { $List += 'ENCRYPTED_TEXT_PWD_ALLOWED' }
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($UserFlag -BOR 0x0100) { $List += 'TEMP_DUPLICATE_ACCOUNT' }
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($UserFlag -BOR 0x0200) { $List += 'NORMAL_ACCOUNT' }
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($UserFlag -BOR 0x0800) { $List += 'INTERDOMAIN_TRUST_ACCOUNT' }
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($UserFlag -BOR 0x1000) { $List += 'WORKSTATION_TRUST_ACCOUNT' }
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($UserFlag -BOR 0x2000) { $List += 'SERVER_TRUST_ACCOUNT' }
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($UserFlag -BOR 0x10000) { $List += 'DONT_EXPIRE_PASSWORD' }
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($UserFlag -BOR 0x20000) { $List += 'MNS_LOGON_ACCOUNT' }
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($UserFlag -BOR 0x40000) { $List += 'SMARTCARD_REQUIRED' }
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($UserFlag -BOR 0x80000) { $List += 'TRUSTED_FOR_DELEGATION' }
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($UserFlag -BOR 0x100000) { $List += 'NOT_DELEGATED' }
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($UserFlag -BOR 0x200000) { $List += 'USE_DES_KEY_ONLY' }
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($UserFlag -BOR 0x400000) { $List += 'DONT_REQ_PREAUTH' }
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($UserFlag -BOR 0x800000) { $List += 'PASSWORD_EXPIRED' }
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($UserFlag -BOR 0x1000000) { $List += 'TRUSTED_TO_AUTH_FOR_DELEGATION' }
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($UserFlag -BOR 0x04000000) { $List += 'PARTIAL_SECRETS_ACCOUNT' }
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}
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$List
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}
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$Computername = $Env:Computername
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$adsi = [ADSI]"WinNT://$Computername"
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$adsi.Children | where {$_.SchemaClassName -eq 'user'} | ForEach {
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New-Object PSObject -property @{
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uid = ConvertTo-SID -BinarySID $_.ObjectSID[0]
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username = $_.Name[0]
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description = $_.Description[0]
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disabled = $_.AccountDisabled[0]
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userflags = Convert-UserFlag -UserFlag $_.UserFlags[0]
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passwordage = [math]::Round($_.PasswordAge[0]/86400)
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minpasswordlength = $_.MinPasswordLength[0]
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mindays = [math]::Round($_.MinPasswordAge[0]/86400)
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maxdays = [math]::Round($_.MaxPasswordAge[0]/86400)
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warndays = $null
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badpasswordattempts = $_.BadPasswordAttempts[0]
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maxbadpasswords = $_.MaxBadPasswordsAllowed[0]
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gid = $null
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group = $null
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groups = $null
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home = $_.HomeDirectory[0]
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shell = $null
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domain = $Computername
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}
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} | ConvertTo-Json
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EOH
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cmd = inspec.powershell(script)
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# cannot rely on exit code for now, successful command returns exit code 1
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# return nil if cmd.exit_status != 0, try to parse json
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begin
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params = JSON.parse(cmd.stdout)
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users = JSON.parse(cmd.stdout)
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rescue JSON::ParserError => _e
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return nil
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end
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user_hash = params['User'] || {}
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group_hashes = params['Groups'] || []
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# if groups is no array, generate one
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group_hashes = [group_hashes] unless group_hashes.is_a?(Array)
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group_names = group_hashes.map { |grp| grp['Caption'] }
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{
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uid: user_hash['SID'],
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username: user_hash['Caption'],
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gid: nil,
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group: nil,
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groups: group_names,
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disabled: user_hash['Disabled'],
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}
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end
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# not implemented yet
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def meta_info(_username)
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{
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home: nil,
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shell: nil,
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}
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end
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def list_users
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script = 'Get-WmiObject Win32_UserAccount | Select-Object -ExpandProperty Caption'
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cmd = inspec.powershell(script)
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cmd.stdout.chomp.lines
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# ensure we have an array of groups
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users = [users] if !users.is_a?(Array)
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# convert keys to symbols
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@users_cache = users.map { |user| user.each_with_object({}) { |(k, v), h| h[k.to_sym] = v } }
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end
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end
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end
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@ -209,7 +209,7 @@ class MockLoader
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# user info for freebsd
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'pw usershow root -7' => cmd.call('pw-usershow-root-7'),
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# user info for windows (winrm 1.6.0, 1.6.1)
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'942eeec2b290bda610229d4bd29981ee945ed27b0f4ce7cca099aabe38af6386' => cmd.call('GetUserAccount'),
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'21c8fabaade05b84ec979759a30814f04353722f173424921bddedc7b65cacbf' => cmd.call('adsiusers'),
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# group info for windows
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'd8d5b3e3355650399e23857a526ee100b4e49e5c2404a0a5dbb7d85d7f4de5cc' => cmd.call('adsigroups'),
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# network interface
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@ -1,34 +0,0 @@
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{
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"User": {
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"Caption": "EXAMPLE\\Administrator",
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"Description": "Built-in account for administering the computer/domain",
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"Domain": "EXAMPLE",
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"Name": "Administrator",
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"LocalAccount": false,
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"Lockout": false,
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"PasswordChangeable": true,
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"PasswordExpires": true,
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"PasswordRequired": true,
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"SID": "S-1-5-21-725088257-906184668-2367214287-500",
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"SIDType": 1,
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"Status": "OK",
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"Disabled": false
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},
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"Groups": [{
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"Caption": "WIN-K0AKLED332V\\Administrators",
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"Domain": "WIN-K0AKLED332V",
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"Name": "Administrators",
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"LocalAccount": true,
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"SID": "S-1-5-32-544",
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"SIDType": 4,
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"Status": "OK"
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}, {
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"Caption": "EXAMPLE\\Domain Admins",
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"Domain": "EXAMPLE",
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"Name": "Domain Admins",
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"LocalAccount": false,
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"SID": "S-1-5-21-725088257-906184668-2367214287-512",
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"SIDType": 2,
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"Status": "OK"
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}]
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}
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53
test/unit/mock/cmd/adsiusers
Normal file
53
test/unit/mock/cmd/adsiusers
Normal file
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@ -0,0 +1,53 @@
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[
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{
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"warndays": null,
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"mindays": 0,
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"minpasswordlength": 0,
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"badpasswordattempts": 0,
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"description": "Built-in account for administering the computer/domain",
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"username": "Administrator",
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"disabled": false,
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"passwordage": 355,
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"maxbadpasswords": 0,
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"home": "",
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"uid": "S-1-5-21-1759981009-4135989804-1844563890-500",
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"domain": "WIN-CIV7VMLVHLD",
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"group": null,
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"userflags": [
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"SCRIPT",
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"NORMAL_ACCOUNT",
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"PASSWORD_EXPIRED"
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],
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"groups": null,
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"gid": null,
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"maxdays": 42,
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"shell": null
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},
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{
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"warndays": null,
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"mindays": 0,
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"minpasswordlength": 0,
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"badpasswordattempts": 0,
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"description": "Built-in account for guest access to the computer/domain",
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"username": "Guest",
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"disabled": true,
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"passwordage": 0,
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"maxbadpasswords": 0,
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"home": "",
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"uid": "S-1-5-21-1759981009-4135989804-1844563890-501",
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"domain": "WIN-CIV7VMLVHLD",
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"group": null,
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"userflags": [
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"SCRIPT",
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"ACCOUNTDISABLE",
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"PASSWD_NOTREQD",
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"PASSWD_CANT_CHANGE",
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"NORMAL_ACCOUNT",
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"DONT_EXPIRE_PASSWORD"
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],
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"groups": null,
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"gid": null,
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"maxdays": 42,
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"shell": null
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}
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]
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@ -99,11 +99,11 @@ describe 'Inspec::Resources::User' do
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end
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it 'read user on Windows' do
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resource = MockLoader.new(:windows).load_resource('user', 'example/Administrator')
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resource = MockLoader.new(:windows).load_resource('user', 'Administrator')
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_(resource.uid).wont_be_nil
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_(resource.exists?).must_equal true
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_(resource.group).must_equal nil
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_(resource.groups).must_equal ['WIN-K0AKLED332V\\Administrators', 'EXAMPLE\\Domain Admins']
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_(resource.groups).must_equal nil
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_(resource.home).must_equal nil
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_(resource.shell).must_equal nil
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_(resource.mindays).must_equal nil
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@ -112,8 +112,15 @@ describe 'Inspec::Resources::User' do
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_(resource.disabled?).must_equal false
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end
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it 'read disabled user on Windows' do
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resource = MockLoader.new(:windows).load_resource('user', 'Guest')
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_(resource.uid).wont_be_nil
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_(resource.exists?).must_equal true
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_(resource.disabled?).must_equal true
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end
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it 'read user on undefined os' do
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resource = MockLoader.new(:undefined).load_resource('user', 'example/Administrator')
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resource = MockLoader.new(:undefined).load_resource('user', 'root')
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_(resource.exists?).must_equal false
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_(resource.group).must_equal nil
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_(resource.groups).must_equal nil
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