wsl2 hosts generator

wsl2.ps1

# check wsl running
wslconfig /l /running
if ($LASTEXITCODE -ne 0) {
  echo "Please open WSL before RUN 'sudo wsl2.ps1'."
  exit;
}

# [Config]
$wsl_hosts = "wsl.local"
$win_hosts = "win.local"
$HOSTS_PATH = "$env:windir\System32\drivers\etc\hosts"

# [Start]
$winip, $wslip = bash -c "ip route | grep default | awk '{print \`$3}';hostname -I | awk '{print \`$1}'"

$found1 = $winip -match '\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}';
$found2 = $wslip -match '\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}';

if( !($found1 -and $found2) ){
  Write-Output "The Script Exited, the ip address of WSL 2 cannot be found";
  exit;
}

# [Ports]
# All the ports you want to forward separated by coma
$LocalPort="80,443,1935,1985,2222,3000,5000,8000,8080,10000,27701"

# [Static ip]
# You can change the addr to your ip config to listen to a specific address
$addr='0.0.0.0';

# Remove Firewall Exception Rules
Invoke-Expression "Remove-NetFireWallRule -DisplayName 'WSL 2 Firewall Unlock' " | Out-Null

# Adding Exception Rules for inbound and outbound Rules
Invoke-Expression "New-NetFireWallRule -DisplayName 'WSL 2 Firewall Unlock' -Direction Outbound -LocalPort $LocalPort -Action Allow -Protocol TCP"  | Out-Null
Invoke-Expression "New-NetFireWallRule -DisplayName 'WSL 2 Firewall Unlock' -Direction Inbound -LocalPort $LocalPort -Action Allow -Protocol TCP"  | Out-Null
Invoke-Expression "New-NetFireWallRule -DisplayName 'WSL 2 Firewall Unlock' -Direction Outbound -LocalPort $LocalPort -Action Allow -Protocol UDP"  | Out-Null
Invoke-Expression "New-NetFireWallRule -DisplayName 'WSL 2 Firewall Unlock' -Direction Inbound -LocalPort $LocalPort -Action Allow -Protocol UDP"  | Out-Null

foreach ($port in $LocalPort.Split(',')) {
  Invoke-Expression "netsh interface portproxy delete v4tov4 listenport=$port listenaddress=$addr"  | Out-Null
  Invoke-Expression "netsh interface portproxy add v4tov4 listenport=$port listenaddress=$addr connectport=$port connectaddress=$wslip"  | Out-Null
}

# C:\msys64\usr\bin\unix2dos.exe $HOSTS_PATH
# echo "unix2dos hosts $LASTEXITCODE"
(Get-Content -Path $HOSTS_PATH | Select-String -Pattern '# managed by w(sl)|(in)_hosts' -NotMatch | Out-String).Trim() + "`n`n$wslip $wsl_hosts # managed by wsl_hosts`n$winip $win_hosts # managed by win_hosts"| Out-File -FilePath $HOSTS_PATH -encoding ascii;
C:\msys64\usr\bin\unix2dos.exe $HOSTS_PATH
Write-Output "unix2dos hosts $LASTEXITCODE"
ipconfig /flushdns | Out-Null