Broken first pass at setuid script runner

1 files changed, 31 insertions, 0 deletions

diff --git a/bin/npm-script-runner.js b/bin/npm-script-runner.js
new file mode 100644
index 000000000..6b4fdef9b
--- /dev/null
+++ b/bin/npm-script-runner.js
@@ -0,0 +1,31 @@
+#!/usr/bin/env/ node
+
+// Run a command as nobody
+// env is passed through untouched.
+// usage: npm-script-runner $folder $uid "make test"
+// This is internal plumbing
+
+console.error(process.argv)
+
+var argv = process.argv.slice(2)
+  , cwd = argv.shift()
+  , cmd = argv.shift()
+  , uid = argv.shift()
+  , stdio = process.binding("stdio")
+
+try {
+  process.setuid(uid)
+} catch (ex) {
+  console.error("Could not setuid to "+uid)
+  throw ex
+}
+
+
+require("child_process").spawn( "sh", ["-c", cmd]
+                              , { env : process.env
+                                , cwd : cwd
+                                , customFDs: [ stdio.stdinFD
+                                             , stdio.stdoutFD
+                                             , stdio.stderrFD ]
+                                })
+                        .on("exit", function (c) { process.exit(c) })