Privatae
51 lines
1.7 KiB
Go
51 lines
1.7 KiB
Go
//go:build windows
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package main
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import (
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"encoding/base64"
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"unicode/utf16"
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)
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// Windows scheduler inventory: Get-ScheduledTask through PowerShell, the
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// same fixed -EncodedCommand shape computer_tree_windows.go uses. Not
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// `schtasks /query /fo csv`: its column headers are localised, and parsing
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// them would silently find nothing on a non-English Windows. The script
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// emits one compact JSON object per task with the fields parseWinTasksJSON
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// reads; disabled tasks are skipped (they cannot fire).
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const windowsTasksScript = `
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$ErrorActionPreference = 'SilentlyContinue'
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Get-ScheduledTask | Where-Object { $_.State -ne 'Disabled' } | ForEach-Object {
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[pscustomobject]@{
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n = $_.TaskName
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p = $_.TaskPath
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u = $_.Principal.UserId
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s = [string]$_.State
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a = @($_.Actions | ForEach-Object { ('"' + ([string]$_.Execute) + '" ' + ([string]$_.Arguments)).Trim() })
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t = @($_.Triggers | ForEach-Object { $_.CimClass.CimClassName })
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}
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} | ConvertTo-Json -Compress -Depth 4
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`
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// encodePowerShell renders a script as -EncodedCommand wants it: UTF-16LE, base64.
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func encodePowerShell(script string) string {
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u := utf16.Encode([]rune(script))
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b := make([]byte, 0, len(u)*2)
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for _, c := range u {
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b = append(b, byte(c), byte(c>>8))
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}
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return base64.StdEncoding.EncodeToString(b)
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}
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var windowsTasksEncoded = encodePowerShell(windowsTasksScript)
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func platformSchedulers() ([]schedEntry, []string, bool) {
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out, err := runTimed("powershell.exe", "-NoProfile", "-NonInteractive", "-ExecutionPolicy", "Bypass",
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"-EncodedCommand", windowsTasksEncoded)
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if err != nil {
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return nil, []string{}, true // PowerShell present but the query failed: supported, nothing read
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}
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return parseWinTasksJSON(out), []string{"task-scheduler"}, true
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}
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