@awo00/smb2
Version:
A SMB2 implementation in TypeScript
95 lines (94 loc) • 3.22 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
const structureUtil = __importStar(require("../structureUtil"));
const Header_1 = require("./Header");
class Packet {
static parse(buffer) {
const { header, bodyBuffer } = Packet.parseHeader(buffer);
let offset = 0;
const wordCount = bodyBuffer.readInt8(offset);
offset += 1;
const dataCount = bodyBuffer.readUInt16LE(offset);
offset += 2;
const dataBuffer = bodyBuffer.slice(offset);
const dialects = Packet.parseList(dataBuffer); // TODO: export into Negotiate packet
const body = {
dialects
};
return {
header,
body
};
}
static parseHeader(buffer) {
const header = structureUtil.parseStructure(buffer, Header_1.headerStructure);
const bodyBuffer = buffer.slice(Header_1.headerSize);
return {
header,
bodyBuffer
};
}
static parseList(buffer) {
let offset = 0;
let currentBytes = [];
let terminated = true;
let format = 0;
const list = [];
while (offset < buffer.length) {
const byte = buffer.readInt8(offset);
if (terminated) {
format = byte;
offset++;
terminated = false;
continue;
}
if (byte === 0) {
if (format === 2) {
const text = Buffer.from(currentBytes).toString("ascii");
list.push(text);
}
currentBytes = [];
terminated = true;
}
else {
currentBytes.push(byte);
}
offset++;
}
return list;
}
}
exports.default = Packet;