Files
orca/config/scripts/native-build/windows/windows-pe-machine.cjs
Neil 9bd6272fdf refactor(tooling): organize build, CI, and test owners (#38130)
* refactor(tooling): organize test runtime and maintenance owners

* test(tooling): preserve relocated runtime fixture dependency edges

* refactor(tooling): preserve xterm routing owner checks

* ci(tooling): include routing owner in sparse checkout

* test(tooling): preserve copied workflow dependency closures

* fix(tooling): normalize hashed JSON assets in release parity

* fix(tooling): distinguish asset aliases from literal references

* fix(tooling): frame normalized asset reference payloads

* fix(tooling): normalize decoded JSON asset references

* refactor(tooling): organize build, CI and release owners

* fix(tooling): align moved generator and workflow path contracts

* fix(tooling): update generated plugin bundle owner banners

* test(tooling): create relocated mobile verifier fixture directories

* test(tooling): copy headless detector dependency closure

* test(tooling): align native batch policy fixtures with owner path

* fix(tooling): link moved reliability command to historical evidence

* fix(tooling): preserve nested sandbox owners and canonical guide source

* fix(tooling): target release version owners in checkout fixture
2026-11-04 21:08:19 -08:00

35 lines
1.0 KiB
JavaScript

'use strict'
const { closeSync, openSync, readSync } = require('node:fs')
/** PE `IMAGE_FILE_HEADER.Machine` values, so a cross-build cannot silently emit host arch. */
const PE_MACHINE = { x64: 0x8664, arm64: 0xaa64 }
// Return null for truncated/non-PE input so caller can classify external artifact instead of crashing.
function readPeMachine(binaryPath) {
const fd = openSync(binaryPath, 'r')
try {
const dosHeader = Buffer.alloc(0x40)
if (readSync(fd, dosHeader, 0, 0x40, 0) < 0x40 || dosHeader.toString('latin1', 0, 2) !== 'MZ') {
return null
}
const peOffset = dosHeader.readUInt32LE(0x3c)
const peHeader = Buffer.alloc(6)
if (
readSync(fd, peHeader, 0, 6, peOffset) < 6 ||
peHeader.toString('latin1', 0, 4) !== 'PE\0\0'
) {
return null
}
return peHeader.readUInt16LE(4)
} finally {
closeSync(fd)
}
}
function describePeMachine(machine) {
return machine === null ? 'not a PE image' : `machine 0x${machine.toString(16)}`
}
module.exports = { PE_MACHINE, describePeMachine, readPeMachine }