| # Copyright 2021 The Go Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style |
| # license that can be found in the LICENSE file. |
| |
| Set-StrictMode -Version Latest |
| |
| # Helpers |
| function Test-RegistryKeyExists($path, $name) |
| { |
| $key = Get-Item -LiteralPath $path -ErrorAction SilentlyContinue |
| ($key -and $null -ne $key.GetValue($name, $null)) -ne $false |
| } |
| |
| function Get-FileFromUrl( |
| [string] $URL, |
| [string] $Output) |
| { |
| Add-Type -AssemblyName "System.Net.Http" |
| |
| $client = New-Object System.Net.Http.HttpClient |
| $request = New-Object System.Net.Http.HttpRequestMessage -ArgumentList @([System.Net.Http.HttpMethod]::Get, $URL) |
| $responseMsg = $client.SendAsync($request) |
| $responseMsg.Wait() |
| |
| if (!$responseMsg.IsCanceled) |
| { |
| $response = $responseMsg.Result |
| if ($response.IsSuccessStatusCode) |
| { |
| $downloadedFileStream = [System.IO.File]::Create($Output) |
| $copyStreamOp = $response.Content.CopyToAsync($downloadedFileStream) |
| $copyStreamOp.Wait() |
| $downloadedFileStream.Close() |
| if ($copyStreamOp.Exception -ne $null) |
| { |
| throw $copyStreamOp.Exception |
| } |
| } |
| } |
| } |
| |
| # https://social.technet.microsoft.com/Forums/ie/en-US/29508e4e-a2b5-42eb-9729-6eca473716ae/disabling-password-complexity-via-command?forum=ITCG |
| function Disable-PasswordComplexity |
| { |
| param() |
| |
| $secEditPath = [System.Environment]::ExpandEnvironmentVariables("%SystemRoot%\system32\secedit.exe") |
| $tempFile = [System.IO.Path]::GetTempFileName() |
| |
| $exportArguments = '/export /cfg "{0}" /quiet' -f $tempFile |
| $importArguments = '/configure /db secedit.sdb /cfg "{0}" /quiet' -f $tempFile |
| |
| Start-Process -FilePath $secEditPath -ArgumentList $exportArguments -Wait |
| |
| $currentConfig = Get-Content -Path $tempFile |
| |
| $currentConfig = $currentConfig -replace 'PasswordComplexity = .', 'PasswordComplexity = 0' |
| $currentConfig = $currentConfig -replace 'MinimumPasswordLength = .', 'MinimumPasswordLength = 0' |
| $currentConfig | Out-File -FilePath $tempFile |
| |
| Start-Process -FilePath $secEditPath -ArgumentList $importArguments -Wait |
| |
| Remove-Item -Path .\secedit.sdb |
| Remove-Item -Path $tempFile |
| } |
| |
| # Wait till network comes up |
| while(-Not (Test-NetConnection 8.8.8.8 -Port 53 | ? { $_.TcpTestSucceeded })) { |
| Write-Host "waiting for network (external network) to come up" |
| sleep 3 |
| } |
| |
| # Disable password complexity, automatic updates, windows defender, windows firewall, error reporting, and UAC |
| # |
| # - Update can interrupt the builds |
| # - We don't care about security since this isn't going to be Internet-facing |
| # - No ports will ever be accessible externally |
| # - We can be trusted to run as a real Administrator |
| Write-Host "disabling security features" |
| New-Item -Path "HKLM:\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate" |
| New-Item -Path "HKLM:\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU" |
| New-ItemProperty -Path "HKLM:\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU" -Name NoAutoUpdate -Value 1 -Force | Out-Null |
| New-ItemProperty -Path "HKLM:\SOFTWARE\Microsoft\Windows\Windows Error Reporting" -Name Disabled -Value 1 -Force | Out-Null |
| New-ItemProperty -Path "HKLM:\SOFTWARE\Microsoft\Windows\Windows Error Reporting" -Name DontShowUI -Value 1 -Force | Out-Null |
| New-ItemProperty -Path "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system" -Name EnableLUA -PropertyType DWord -Value 0 -Force | Out-Null |
| netsh advfirewall set allprofiles state off |
| netsh firewall set opmode mode=disable profile=ALL |
| Set-MpPreference -DisableRealtimeMonitoring $true |
| |
| # Disable unwanted services |
| Write-Host "disabling unused services" |
| Set-Service -Name 'NlaSvc' -StartupType 'Disabled' |
| Set-Service -Name 'LanmanServer' -StartupType 'Disabled' |
| Set-Service -Name 'BITS' -StartupType 'Disabled' |
| Set-Service -Name 'DPS' -StartupType 'Disabled' |
| Set-Service -Name 'MSDTC' -StartupType 'Disabled' |
| Set-Service -Name 'IKEEXT' -StartupType 'Disabled' |
| Set-Service -Name 'RemoteRegistry' -StartupType 'Disabled' |
| Set-Service -Name 'lmhosts' -StartupType 'Disabled' |
| |
| # Download buildlet |
| Write-Host "downloading stage0" |
| $builder_dir = "C:\golang" |
| $bootstrap_exe_path = "$builder_dir\bootstrap.exe" |
| mkdir $builder_dir |
| Get-FileFromUrl -URL 'https://storage.googleapis.com/go-builder-data/buildlet-stage0.windows-arm64' -Output $bootstrap_exe_path |
| |
| # Install the OpenSSH Client |
| Add-WindowsCapability -Online -Name OpenSSH.Client |
| # Install the OpenSSH Server |
| Add-WindowsCapability -Online -Name OpenSSH.Server |
| |
| Start-Service sshd |
| # OPTIONAL but recommended: |
| Set-Service -Name sshd -StartupType 'Automatic' |
| |
| # Download and unpack LLVM |
| Write-Host "downloading LLVM" |
| $dep_dir = "C:\godep" |
| $llvm64_tar = "$dep_dir\llvm64.tar.gz" |
| mkdir $dep_dir |
| Get-FileFromUrl -URL "https://storage.googleapis.com/go-builder-data/llvm-mingw-20210423-ucrt-aarch64.tar.gz" -Output "$llvm64_tar" |
| |
| Write-Host "extracting LLVM" |
| $extract64_args=@("--untar-file=$llvm64_tar", "--untar-dest-dir=$dep_dir") |
| & $bootstrap_exe_path $extract64_args |
| |
| $builder_dir = "C:\golang" |
| $bootstrap_exe_path = "$builder_dir\bootstrap.exe" |
| |
| # Download and install Visual Studio Build Tools (MSVC) |
| # https://docs.microsoft.com/en-us/visualstudio/install/build-tools-container |
| Write-Host "downloading Visual Studio Build Tools" |
| $vs_buildtools = "$builder_dir\vs_buildtools.exe" |
| Get-FileFromUrl -URL "https://aka.ms/vs/16/release/vs_buildtools.exe" -Output "$vs_buildtools" |
| |
| Write-Host "installing Visual Studio Build Tools" |
| & $vs_buildtools --quiet --wait --norestart --nocache --installPath "$dep_dir\vs" --all --add Microsoft.VisualStudio.Component.VC.Tools.ARM64 |
| |
| # Create a buildlet user |
| Write-Host "creating buildlet user" |
| $buildlet_user = "gopher" |
| $buildlet_password = "gopher" |
| net user $buildlet_user $buildlet_password /ADD |
| net localgroup administrators $buildlet_user /ADD |
| |
| # Run the bootstrap program on login |
| Write-Host "setting stage0 to run on start" |
| $bootstrap_cmd = "cmd /k ""cd $builder_dir && $bootstrap_exe_path""" |
| New-ItemProperty -Path "HKLM:\Software\Microsoft\Windows\CurrentVersion\Run" -Name "Buildlet" -PropertyType ExpandString -Value $bootstrap_cmd -Force |
| |
| # Setup autologon and reboot |
| $RegPath = "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" |
| if ((Test-RegistryKeyExists $RegPath "DefaultUsername") -eq $false) { |
| Write-Host "configuring auto login" |
| Remove-ItemProperty -Path 'HKLM:SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon' -Name 'AutoLogonCount' -Force | Out-Null |
| Set-ItemProperty $RegPath "AutoAdminLogon" -Value "1" -type String |
| Set-ItemProperty $RegPath "DefaultUsername" -Value "$buildlet_user" -type String |
| Set-ItemProperty $RegPath "DefaultPassword" -Value "$buildlet_password" -type String |
| Set-ItemProperty $RegPath "LogonCount" -Value "99999999" -type String |
| Write-Host "rebooting" |
| shutdown /r /t 0 |
| } |