@awo00/smb2
Version:
A SMB2 implementation in TypeScript
166 lines (165 loc) • 5.1 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;
};
})();
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const util = __importStar(require("../../util"));
const FileAttribute_1 = __importDefault(require("../FileAttribute"));
const structureUtil = __importStar(require("../../structureUtil"));
const requestStructure = {
structureSize: {
type: Number,
size: 2,
defaultValue: 33
},
fileInformationClass: {
type: Number,
size: 1,
defaultValue: 37 // FileIdBothDirectoryInformation
},
flags: {
type: Number,
size: 1
},
fileIndex: {
type: Number,
size: 4
},
fileId: {
type: String,
encoding: "hex",
size: 16
},
fileNameOffset: {
type: Number,
size: 2,
defaultValue: 96
},
fileNameLength: {
type: Number,
size: 2
},
outputBufferLength: {
type: Number,
size: 4,
defaultValue: 0x00010000
},
buffer: {
type: Buffer,
sizeFieldName: "fileNameLength"
}
};
const responseStructure = {
structureSize: {
type: Number,
size: 2
},
outputBufferOffset: {
type: Number,
size: 2
},
outputBufferLength: {
type: Number,
size: 4
},
buffer: {
type: Buffer,
sizeFieldName: "outputBufferLength"
}
};
const parseDirectoryEntry = (entryBuffer) => {
let offset = 0;
const index = entryBuffer.readUInt32LE(offset);
offset += 4;
const creationTime = structureUtil.parseDate(entryBuffer.slice(offset, offset + 8));
offset += 8;
const lastAccessTime = structureUtil.parseDate(entryBuffer.slice(offset, offset + 8));
offset += 8;
const lastWriteTime = structureUtil.parseDate(entryBuffer.slice(offset, offset + 8));
offset += 8;
const changeTime = structureUtil.parseDate(entryBuffer.slice(offset, offset + 8));
offset += 8;
const fileSize = entryBuffer.readBigUInt64LE(offset);
offset += 8;
const allocationSize = entryBuffer.readBigUInt64LE(offset);
offset += 8;
const fileAttributes = structureUtil.parseEnumValues(FileAttribute_1.default, entryBuffer.readUInt32LE(offset));
offset += 4;
const filenameLength = entryBuffer.readUInt32LE(offset);
offset += 4;
const eaSize = entryBuffer.readUInt32LE(offset);
offset += 4;
const shortNameLength = entryBuffer.readUInt8(offset);
offset += 1;
offset += 1; // reserved
let shortFilename;
if (shortNameLength !== 0) {
shortFilename = util.toUnixFilePath(entryBuffer
.slice(offset, offset + shortNameLength)
.toString("ucs2"));
}
offset += 24;
offset += 2; // reserved
const fileId = structureUtil.parseString(entryBuffer.slice(offset, offset + 8).reverse(), { type: String, encoding: "hex" });
offset += 8;
const filename = util.toUnixFilePath(entryBuffer
.slice(offset, offset + filenameLength)
.toString("ucs2"));
offset += filenameLength;
return {
type: fileAttributes.includes("Directory") ? "Directory" : "File",
index,
creationTime,
lastAccessTime,
lastWriteTime,
changeTime,
fileSize,
allocationSize,
eaSize,
shortFilename,
fileId,
filename,
fileAttributes
};
};
const parseResponseBuffer = (buffer) => {
return structureUtil.parseList(buffer, parseDirectoryEntry);
};
exports.default = {
requestStructure,
responseStructure,
parseResponseBuffer
};