From 55a4f1fc869e41aca748c63d3018f0448b1606e0 Mon Sep 17 00:00:00 2001 From: pack Date: Sun, 9 Aug 2026 10:37:07 +0000 Subject: first commit --- node_modules/detect-libc/lib/elf.js | 39 +++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 node_modules/detect-libc/lib/elf.js (limited to 'node_modules/detect-libc/lib/elf.js') diff --git a/node_modules/detect-libc/lib/elf.js b/node_modules/detect-libc/lib/elf.js new file mode 100644 index 0000000..aa166aa --- /dev/null +++ b/node_modules/detect-libc/lib/elf.js @@ -0,0 +1,39 @@ +// Copyright 2017 Lovell Fuller and others. +// SPDX-License-Identifier: Apache-2.0 + +'use strict'; + +const interpreterPath = (elf) => { + if (elf.length < 64) { + return null; + } + if (elf.readUInt32BE(0) !== 0x7F454C46) { + // Unexpected magic bytes + return null; + } + if (elf.readUInt8(4) !== 2) { + // Not a 64-bit ELF + return null; + } + if (elf.readUInt8(5) !== 1) { + // Not little-endian + return null; + } + const offset = elf.readUInt32LE(32); + const size = elf.readUInt16LE(54); + const count = elf.readUInt16LE(56); + for (let i = 0; i < count; i++) { + const headerOffset = offset + (i * size); + const type = elf.readUInt32LE(headerOffset); + if (type === 3) { + const fileOffset = elf.readUInt32LE(headerOffset + 8); + const fileSize = elf.readUInt32LE(headerOffset + 32); + return elf.subarray(fileOffset, fileOffset + fileSize).toString().replace(/\0.*$/g, ''); + } + } + return null; +}; + +module.exports = { + interpreterPath +}; -- cgit v1.2.3