204 lines
8.0 KiB
PowerShell
204 lines
8.0 KiB
PowerShell
#!powershell
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# Copyright: (c) 2015, Phil Schwartz <schwartzmx@gmail.com>
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# Copyright: (c) 2015, Trond Hindenes
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# Copyright: (c) 2015, Hans-Joachim Kliemeck <git@kliemeck.de>
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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#Requires -Module Ansible.ModuleUtils.Legacy
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#Requires -Module Ansible.ModuleUtils.PrivilegeUtil
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#Requires -Module Ansible.ModuleUtils.SID
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$ErrorActionPreference = "Stop"
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# win_acl module (File/Resources Permission Additions/Removal)
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#Functions
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function Get-UserSID {
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param(
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[String]$AccountName
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)
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$userSID = $null
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$searchAppPools = $false
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if ($AccountName.Split("\").Count -gt 1) {
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if ($AccountName.Split("\")[0] -eq "IIS APPPOOL") {
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$searchAppPools = $true
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$AccountName = $AccountName.Split("\")[1]
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}
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}
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if ($searchAppPools) {
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Import-Module -Name WebAdministration
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$testIISPath = Test-Path -Path "IIS:"
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if ($testIISPath) {
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$appPoolObj = Get-ItemProperty -Path "IIS:\AppPools\$AccountName"
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$userSID = $appPoolObj.applicationPoolSid
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}
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}
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else {
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$userSID = Convert-ToSID -account_name $AccountName
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}
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return $userSID
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}
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$params = Parse-Args $args
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Function SetPrivilegeTokens() {
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# Set privilege tokens only if admin.
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# Admins would have these privs or be able to set these privs in the UI Anyway
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$adminRole=[System.Security.Principal.WindowsBuiltInRole]::Administrator
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$myWindowsID=[System.Security.Principal.WindowsIdentity]::GetCurrent()
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$myWindowsPrincipal=new-object System.Security.Principal.WindowsPrincipal($myWindowsID)
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if ($myWindowsPrincipal.IsInRole($adminRole)) {
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# Need to adjust token privs when executing Set-ACL in certain cases.
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# e.g. d:\testdir is owned by group in which current user is not a member and no perms are inherited from d:\
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# This also sets us up for setting the owner as a feature.
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# See the following for details of each privilege
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# https://msdn.microsoft.com/en-us/library/windows/desktop/bb530716(v=vs.85).aspx
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$privileges = @(
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"SeRestorePrivilege", # Grants all write access control to any file, regardless of ACL.
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"SeBackupPrivilege", # Grants all read access control to any file, regardless of ACL.
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"SeTakeOwnershipPrivilege" # Grants ability to take owernship of an object w/out being granted discretionary access
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)
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foreach ($privilege in $privileges) {
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$state = Get-AnsiblePrivilege -Name $privilege
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if ($state -eq $false) {
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Set-AnsiblePrivilege -Name $privilege -Value $true
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}
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}
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}
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}
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$result = @{
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changed = $false
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}
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$path = Get-AnsibleParam -obj $params -name "path" -type "str" -failifempty $true
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$user = Get-AnsibleParam -obj $params -name "user" -type "str" -failifempty $true
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$rights = Get-AnsibleParam -obj $params -name "rights" -type "str" -failifempty $true
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$type = Get-AnsibleParam -obj $params -name "type" -type "str" -failifempty $true -validateset "allow","deny"
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$state = Get-AnsibleParam -obj $params -name "state" -type "str" -default "present" -validateset "absent","present"
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$inherit = Get-AnsibleParam -obj $params -name "inherit" -type "str"
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$propagation = Get-AnsibleParam -obj $params -name "propagation" -type "str" -default "None" -validateset "InheritOnly","None","NoPropagateInherit"
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If (-Not (Test-Path -Path $path)) {
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Fail-Json -obj $result -message "$path file or directory does not exist on the host"
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}
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# Test that the user/group is resolvable on the local machine
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$sid = Get-UserSID -AccountName $user
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if (!$sid) {
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Fail-Json -obj $result -message "$user is not a valid user or group on the host machine or domain"
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}
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If (Test-Path -Path $path -PathType Leaf) {
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$inherit = "None"
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}
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ElseIf ($null -eq $inherit) {
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$inherit = "ContainerInherit, ObjectInherit"
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}
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Try {
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SetPrivilegeTokens
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If ($path -match "^HK(CC|CR|CU|LM|U):\\") {
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$colRights = [System.Security.AccessControl.RegistryRights]$rights
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}
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Else {
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$colRights = [System.Security.AccessControl.FileSystemRights]$rights
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}
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$InheritanceFlag = [System.Security.AccessControl.InheritanceFlags]$inherit
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$PropagationFlag = [System.Security.AccessControl.PropagationFlags]$propagation
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If ($type -eq "allow") {
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$objType =[System.Security.AccessControl.AccessControlType]::Allow
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}
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Else {
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$objType =[System.Security.AccessControl.AccessControlType]::Deny
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}
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$objUser = New-Object System.Security.Principal.SecurityIdentifier($sid)
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If ($path -match "^HK(CC|CR|CU|LM|U):\\") {
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$objACE = New-Object System.Security.AccessControl.RegistryAccessRule ($objUser, $colRights, $InheritanceFlag, $PropagationFlag, $objType)
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}
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Else {
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$objACE = New-Object System.Security.AccessControl.FileSystemAccessRule ($objUser, $colRights, $InheritanceFlag, $PropagationFlag, $objType)
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}
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$objACL = Get-ACL $path
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# Check if the ACE exists already in the objects ACL list
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$match = $false
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# Workaround to handle special use case 'APPLICATION PACKAGE AUTHORITY\ALL APPLICATION PACKAGES' and
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# 'APPLICATION PACKAGE AUTHORITY\ALL RESTRICTED APPLICATION PACKAGES'- can't translate fully qualified name (win32 API bug/oddity)
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# 'ALL APPLICATION PACKAGES' exists only on Win2k12 and Win2k16 and 'ALL RESTRICTED APPLICATION PACKAGES' exists only in Win2k16
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$specialIdRefs = "ALL APPLICATION PACKAGES","ALL RESTRICTED APPLICATION PACKAGES"
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ForEach($rule in $objACL.Access){
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$idRefShortValue = ($rule.IdentityReference.Value).split('\')[-1]
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if ( $idRefShortValue -in $specialIdRefs ) {
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$ruleIdentity = (New-Object Security.Principal.NTAccount $idRefShortValue).Translate([Security.Principal.SecurityIdentifier])
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}
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else {
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$ruleIdentity = $rule.IdentityReference.Translate([System.Security.Principal.SecurityIdentifier])
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}
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If ($path -match "^HK(CC|CR|CU|LM|U):\\") {
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If (($rule.RegistryRights -eq $objACE.RegistryRights) -And ($rule.AccessControlType -eq $objACE.AccessControlType) -And ($ruleIdentity -eq $objACE.IdentityReference) -And ($rule.IsInherited -eq $objACE.IsInherited) -And ($rule.InheritanceFlags -eq $objACE.InheritanceFlags) -And ($rule.PropagationFlags -eq $objACE.PropagationFlags)) {
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$match = $true
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Break
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}
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} else {
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If (($rule.FileSystemRights -eq $objACE.FileSystemRights) -And ($rule.AccessControlType -eq $objACE.AccessControlType) -And ($ruleIdentity -eq $objACE.IdentityReference) -And ($rule.IsInherited -eq $objACE.IsInherited) -And ($rule.InheritanceFlags -eq $objACE.InheritanceFlags) -And ($rule.PropagationFlags -eq $objACE.PropagationFlags)) {
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$match = $true
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Break
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}
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}
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}
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If ($state -eq "present" -And $match -eq $false) {
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Try {
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$objACL.AddAccessRule($objACE)
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Set-ACL $path $objACL
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$result.changed = $true
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}
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Catch {
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Fail-Json -obj $result -message "an exception occurred when adding the specified rule - $($_.Exception.Message)"
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}
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}
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ElseIf ($state -eq "absent" -And $match -eq $true) {
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Try {
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$objACL.RemoveAccessRule($objACE)
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Set-ACL $path $objACL
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$result.changed = $true
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}
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Catch {
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Fail-Json -obj $result -message "an exception occurred when removing the specified rule - $($_.Exception.Message)"
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}
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}
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Else {
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# A rule was attempting to be added but already exists
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If ($match -eq $true) {
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Exit-Json -obj $result -message "the specified rule already exists"
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}
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# A rule didn't exist that was trying to be removed
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Else {
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Exit-Json -obj $result -message "the specified rule does not exist"
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}
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}
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}
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Catch {
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Fail-Json -obj $result -message "an error occurred when attempting to $state $rights permission(s) on $path for $user - $($_.Exception.Message)"
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}
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Exit-Json -obj $result
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