ae769f52a1
Concurrent enroll-url launches could both pass the enrollment
marker check and run overlapping elevated installs, racing on
LoadOrExchangeAPIKey and overwriting agent.key.
Add an exclusive flock on {configDir}/enrolling.lock for the
full install path and re-check IsEnrolled under that lock so
only one install exchanges a token and configures the device.
Signed-off-by: Ludovic Vielle <ludovic@probo.com>
96 lines
2.8 KiB
Go
96 lines
2.8 KiB
Go
// Copyright (c) 2026 Probo Inc <hello@probo.com>.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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package service
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import (
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"errors"
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"fmt"
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"os/exec"
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"strings"
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)
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// Install registers and starts the Windows service via sc.exe.
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func Install(cfg Config) error {
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if cfg.ExePath == "" {
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return errors.New("executable path is required")
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}
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if cfg.Dir == "" {
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return errors.New("state directory is required")
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}
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name := DefaultWindowsName
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// Remove any previous registration so install is idempotent
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// (matches Darwin's bootout-before-bootstrap).
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_ = Uninstall(cfg)
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bin := fmt.Sprintf(`"%s" run --dir "%s"`, cfg.ExePath, cfg.Dir)
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if out, err := exec.Command(
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"sc.exe",
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"create",
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name,
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"binPath=",
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bin,
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"start=",
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"auto",
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"DisplayName=",
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"Probo Device Posture Agent",
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).CombinedOutput(); err != nil {
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return fmt.Errorf("cannot run sc.exe create: %w: %s", err, strings.TrimSpace(string(out)))
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}
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// Restart on failure.
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if out, err := exec.Command(
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"sc.exe",
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"failure",
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name,
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"reset=",
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"86400",
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"actions=",
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"restart/1000/restart/1000/restart/1000",
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).CombinedOutput(); err != nil {
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return fmt.Errorf("cannot run sc.exe failure: %w: %s", err, strings.TrimSpace(string(out)))
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}
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if out, err := exec.Command("sc.exe", "start", name).CombinedOutput(); err != nil {
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return fmt.Errorf("cannot run sc.exe start: %w: %s", err, strings.TrimSpace(string(out)))
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}
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return nil
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}
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func Uninstall(cfg Config) error {
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name := DefaultWindowsName
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_ = exec.Command("sc.exe", "stop", name).Run()
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if out, err := exec.Command("sc.exe", "delete", name).CombinedOutput(); err != nil {
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msg := strings.TrimSpace(string(out))
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if isWindowsServiceMissing(msg) {
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return nil
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}
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return fmt.Errorf("cannot run sc.exe delete: %w: %s", err, msg)
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}
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return nil
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}
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