ntfs beta
This commit is contained in:
overcuriousity
parent
444294b9fb
commit
16a754fa3f
215
webroot/js/filesystems/ntfs.js
Normal file
215
webroot/js/filesystems/ntfs.js
Normal file
@ -0,0 +1,215 @@
|
|||||||
|
// NTFS filesystem implementation
|
||||||
|
|
||||||
|
import { BaseFilesystem } from './base.js';
|
||||||
|
import { checkDependencies, updateResultItem } from '../utils.js';
|
||||||
|
|
||||||
|
export class NTFSFilesystem extends BaseFilesystem {
|
||||||
|
constructor() {
|
||||||
|
super('NTFS', [
|
||||||
|
{
|
||||||
|
id: 'ntfs',
|
||||||
|
name: 'NTFS (Beta)',
|
||||||
|
constants: [
|
||||||
|
{ id: 'baseOffsetNTFS', label: 'Basis-Offset (Partitionsstart)', unit: 'Bytes', default: '0x10000' },
|
||||||
|
{ id: 'sectorSizeNTFS', label: 'Sektor-Größe', unit: 'Bytes', default: '0x200' }
|
||||||
|
],
|
||||||
|
inputs: [
|
||||||
|
{ id: 'clusterSizeSectorsNTFS', label: 'Cluster-Größe', unit: 'Sektoren', placeholder: '0x8' },
|
||||||
|
{ id: 'mftStartClusterNTFS', label: 'MFT Start', unit: 'Cluster', placeholder: '0xC0000' },
|
||||||
|
{ id: 'mftEntrySizeRawNTFS', label: 'Größe MFT-Eintrag (Roh-Wert)', unit: 'Hex von Offset 0x40', placeholder: '0xF6' },
|
||||||
|
{ id: 'partitionSizeSectorsNTFS', label: 'Partitionsgröße', unit: 'Sektoren', placeholder: '0x3E7FFF' },
|
||||||
|
{ id: 'mftEntryNumberNTFS', label: 'MFT-Eintrags-Nummer', unit: 'Nummer', placeholder: '0x27' },
|
||||||
|
{ id: 'clusterNumberNTFS', label: 'Cluster-Nummer', unit: 'Nummer', placeholder: '0x1234' }
|
||||||
|
],
|
||||||
|
resultGroups: [
|
||||||
|
{
|
||||||
|
name: 'Basis-Berechnungen',
|
||||||
|
results: [
|
||||||
|
{ id: 'clusterSizeBytesNTFS', label: 'Cluster-Größe (Bytes)', dependencies: ['sectorSizeNTFS', 'clusterSizeSectorsNTFS'], formula: 'Sektor-Größe × Cluster-Größe in Sektoren' },
|
||||||
|
{ id: 'mftEntrySizeBytesNTFS', label: 'MFT-Eintrag Größe (Bytes)', dependencies: ['mftEntrySizeRawNTFS', 'sectorSizeNTFS', 'clusterSizeSectorsNTFS'], formula: 'Wenn positiv: Wert × Cluster-Größe, wenn negativ: 2^|Wert|' },
|
||||||
|
{ id: 'mftEntrySizeCalculationNTFS', label: 'MFT-Eintrag Berechnung', dependencies: ['mftEntrySizeRawNTFS'], formula: 'Erklärung der Kodierung' }
|
||||||
|
]
|
||||||
|
},
|
||||||
|
{
|
||||||
|
name: 'MFT-Struktur',
|
||||||
|
results: [
|
||||||
|
{ id: 'mftStartOffsetNTFS', label: 'MFT Start (Bytes)', dependencies: ['baseOffsetNTFS', 'mftStartClusterNTFS', 'sectorSizeNTFS', 'clusterSizeSectorsNTFS'], formula: 'Basis-Offset + (MFT Start Cluster × Cluster-Größe)' },
|
||||||
|
{ id: 'mftStartSectorNTFS', label: 'MFT Start (Sektor)', dependencies: ['baseOffsetNTFS', 'mftStartClusterNTFS', 'sectorSizeNTFS', 'clusterSizeSectorsNTFS'], formula: 'MFT Start Offset ÷ Sektor-Größe' }
|
||||||
|
]
|
||||||
|
},
|
||||||
|
{
|
||||||
|
name: 'Spezifischer MFT-Eintrag',
|
||||||
|
results: [
|
||||||
|
{ id: 'mftEntryOffsetNTFS', label: 'MFT-Eintrag Offset (Bytes)', dependencies: ['baseOffsetNTFS', 'mftStartClusterNTFS', 'sectorSizeNTFS', 'clusterSizeSectorsNTFS', 'mftEntrySizeRawNTFS', 'mftEntryNumberNTFS'], formula: 'MFT Start + (MFT-Eintrags-Nummer × MFT-Eintrag Größe)' },
|
||||||
|
{ id: 'attributeListOffsetNTFS', label: 'Attribut-Liste Position', dependencies: ['baseOffsetNTFS', 'mftStartClusterNTFS', 'sectorSizeNTFS', 'clusterSizeSectorsNTFS', 'mftEntrySizeRawNTFS', 'mftEntryNumberNTFS'], formula: 'MFT-Eintrag Offset + 0x14 (aus Tabelle A2)' }
|
||||||
|
]
|
||||||
|
},
|
||||||
|
{
|
||||||
|
name: 'Spezifischer Cluster',
|
||||||
|
results: [
|
||||||
|
{ id: 'clusterOffsetNTFS', label: 'Cluster Offset (Bytes)', dependencies: ['baseOffsetNTFS', 'clusterNumberNTFS', 'sectorSizeNTFS', 'clusterSizeSectorsNTFS'], formula: 'Basis-Offset + (Cluster-Nummer × Cluster-Größe)' },
|
||||||
|
{ id: 'clusterSectorNTFS', label: 'Cluster Start (Sektor)', dependencies: ['baseOffsetNTFS', 'clusterNumberNTFS', 'sectorSizeNTFS', 'clusterSizeSectorsNTFS'], formula: 'Cluster Offset ÷ Sektor-Größe' }
|
||||||
|
]
|
||||||
|
},
|
||||||
|
{
|
||||||
|
name: 'Partitions-Übersicht',
|
||||||
|
results: [
|
||||||
|
{ id: 'partitionSizeBytesNTFS', label: 'Partitionsgröße (Bytes)', dependencies: ['partitionSizeSectorsNTFS', 'sectorSizeNTFS'], formula: 'Partitionsgröße in Sektoren × Sektor-Größe' },
|
||||||
|
{ id: 'totalClustersNTFS', label: 'Anzahl Cluster', dependencies: ['partitionSizeSectorsNTFS', 'sectorSizeNTFS', 'clusterSizeSectorsNTFS'], formula: 'Partitionsgröße ÷ Cluster-Größe' },
|
||||||
|
{ id: 'partitionEndOffsetNTFS', label: 'Partitionsende (Bytes)', dependencies: ['baseOffsetNTFS', 'partitionSizeSectorsNTFS', 'sectorSizeNTFS'], formula: 'Basis-Offset + Partitionsgröße' }
|
||||||
|
]
|
||||||
|
}
|
||||||
|
],
|
||||||
|
formulas: [
|
||||||
|
{ name: 'Cluster-Größe (Bytes)', expression: 'Sektor-Größe × Cluster-Größe in Sektoren' },
|
||||||
|
{ name: 'MFT-Eintrag Größe', expression: 'Wenn Wert positiv (0x00-0x7F): Wert × Cluster-Größe; Wenn Wert negativ (0x80-0xFF): 2^|Wert| Bytes' },
|
||||||
|
{ name: 'MFT Start Offset', expression: 'Basis-Offset + (MFT Start Cluster × Cluster-Größe in Bytes)' },
|
||||||
|
{ name: 'MFT-Eintrag Offset', expression: 'MFT Start + (MFT-Eintrags-Nummer × MFT-Eintrag Größe)' },
|
||||||
|
{ name: 'Attribut-Liste Position', expression: 'MFT-Eintrag Offset + 0x14 (Position aus Tabelle A2)' },
|
||||||
|
{ name: 'Cluster Offset', expression: 'Basis-Offset + (Cluster-Nummer × Cluster-Größe in Bytes)' },
|
||||||
|
{ name: 'Partitionsgröße', expression: 'Partitionsgröße in Sektoren × Sektor-Größe' },
|
||||||
|
{ name: 'Anzahl Cluster', expression: 'Partitionsgröße in Bytes ÷ Cluster-Größe in Bytes' }
|
||||||
|
]
|
||||||
|
}
|
||||||
|
]);
|
||||||
|
}
|
||||||
|
|
||||||
|
calculate(variantId) {
|
||||||
|
const values = this.getInputValues(variantId);
|
||||||
|
const results = {};
|
||||||
|
|
||||||
|
if (variantId === 'ntfs') {
|
||||||
|
this.calculateNTFS(values, results);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
calculateMFTEntrySize(rawValue, clusterSizeBytes) {
|
||||||
|
// Special encoding from offset 0x40
|
||||||
|
// If positive (0x00-0x7F): size = value * cluster size
|
||||||
|
// If negative (0x80-0xFF): size = 2^|value| bytes
|
||||||
|
|
||||||
|
let size = 0;
|
||||||
|
let explanation = '';
|
||||||
|
|
||||||
|
if (rawValue >= 0x00 && rawValue <= 0x7F) {
|
||||||
|
// Positive value: multiply by cluster size
|
||||||
|
size = rawValue * clusterSizeBytes;
|
||||||
|
explanation = `Positiv (0x${rawValue.toString(16).toUpperCase()}): 0x${rawValue.toString(16).toUpperCase()} × 0x${clusterSizeBytes.toString(16).toUpperCase()} = 0x${size.toString(16).toUpperCase()}`;
|
||||||
|
} else if (rawValue >= 0x80 && rawValue <= 0xFF) {
|
||||||
|
// Negative value: 2^|value| bytes
|
||||||
|
// Calculate two's complement for 1 byte: 0x100 - value
|
||||||
|
const negativeValue = 0x100 - rawValue;
|
||||||
|
size = Math.pow(2, negativeValue);
|
||||||
|
explanation = `Negativ (0x${rawValue.toString(16).toUpperCase()}): 2^${negativeValue} = 0x${size.toString(16).toUpperCase()} Bytes`;
|
||||||
|
}
|
||||||
|
|
||||||
|
return { size, explanation };
|
||||||
|
}
|
||||||
|
|
||||||
|
calculateNTFS(values, results) {
|
||||||
|
// Cluster Size in Bytes
|
||||||
|
if (checkDependencies(['sectorSizeNTFS', 'clusterSizeSectorsNTFS'])) {
|
||||||
|
results.clusterSizeBytes = values.sectorSizeNTFS * values.clusterSizeSectorsNTFS;
|
||||||
|
updateResultItem('clusterSizeBytesNTFS', results.clusterSizeBytes, true,
|
||||||
|
`0x${values.sectorSizeNTFS.toString(16).toUpperCase()} × 0x${values.clusterSizeSectorsNTFS.toString(16).toUpperCase()} = 0x${results.clusterSizeBytes.toString(16).toUpperCase()}`);
|
||||||
|
} else {
|
||||||
|
updateResultItem('clusterSizeBytesNTFS', 0, false);
|
||||||
|
}
|
||||||
|
|
||||||
|
// MFT Entry Size (with special encoding)
|
||||||
|
if (checkDependencies(['mftEntrySizeRawNTFS', 'sectorSizeNTFS', 'clusterSizeSectorsNTFS']) && results.clusterSizeBytes !== undefined) {
|
||||||
|
const mftEntryCalc = this.calculateMFTEntrySize(values.mftEntrySizeRawNTFS, results.clusterSizeBytes);
|
||||||
|
results.mftEntrySizeBytes = mftEntryCalc.size;
|
||||||
|
results.mftEntrySizeExplanation = mftEntryCalc.explanation;
|
||||||
|
|
||||||
|
updateResultItem('mftEntrySizeBytesNTFS', results.mftEntrySizeBytes, true,
|
||||||
|
mftEntryCalc.explanation);
|
||||||
|
|
||||||
|
// Display explanation as text
|
||||||
|
const explanationElement = document.getElementById('mftEntrySizeCalculationNTFS');
|
||||||
|
if (explanationElement) {
|
||||||
|
explanationElement.innerHTML = mftEntryCalc.explanation;
|
||||||
|
const resultItem = explanationElement.closest('.result-item');
|
||||||
|
resultItem.classList.remove('unavailable');
|
||||||
|
resultItem.classList.add('available');
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
updateResultItem('mftEntrySizeBytesNTFS', 0, false);
|
||||||
|
updateResultItem('mftEntrySizeCalculationNTFS', 0, false);
|
||||||
|
}
|
||||||
|
|
||||||
|
// MFT Start Offset
|
||||||
|
if (checkDependencies(['baseOffsetNTFS', 'mftStartClusterNTFS', 'sectorSizeNTFS', 'clusterSizeSectorsNTFS']) && results.clusterSizeBytes !== undefined) {
|
||||||
|
results.mftStartOffset = values.baseOffsetNTFS + (values.mftStartClusterNTFS * results.clusterSizeBytes);
|
||||||
|
results.mftStartSector = Math.floor(results.mftStartOffset / values.sectorSizeNTFS);
|
||||||
|
|
||||||
|
updateResultItem('mftStartOffsetNTFS', results.mftStartOffset, true,
|
||||||
|
`0x${values.baseOffsetNTFS.toString(16).toUpperCase()} + (0x${values.mftStartClusterNTFS.toString(16).toUpperCase()} × 0x${results.clusterSizeBytes.toString(16).toUpperCase()}) = 0x${results.mftStartOffset.toString(16).toUpperCase()}`);
|
||||||
|
|
||||||
|
updateResultItem('mftStartSectorNTFS', results.mftStartSector, true,
|
||||||
|
`0x${results.mftStartOffset.toString(16).toUpperCase()} ÷ 0x${values.sectorSizeNTFS.toString(16).toUpperCase()} = 0x${results.mftStartSector.toString(16).toUpperCase()}`);
|
||||||
|
} else {
|
||||||
|
updateResultItem('mftStartOffsetNTFS', 0, false);
|
||||||
|
updateResultItem('mftStartSectorNTFS', 0, false);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Specific MFT Entry Offset
|
||||||
|
if (checkDependencies(['baseOffsetNTFS', 'mftStartClusterNTFS', 'sectorSizeNTFS', 'clusterSizeSectorsNTFS', 'mftEntrySizeRawNTFS', 'mftEntryNumberNTFS'])
|
||||||
|
&& results.mftStartOffset !== undefined && results.mftEntrySizeBytes !== undefined) {
|
||||||
|
|
||||||
|
results.mftEntryOffset = results.mftStartOffset + (values.mftEntryNumberNTFS * results.mftEntrySizeBytes);
|
||||||
|
|
||||||
|
updateResultItem('mftEntryOffsetNTFS', results.mftEntryOffset, true,
|
||||||
|
`0x${results.mftStartOffset.toString(16).toUpperCase()} + (0x${values.mftEntryNumberNTFS.toString(16).toUpperCase()} × 0x${results.mftEntrySizeBytes.toString(16).toUpperCase()}) = 0x${results.mftEntryOffset.toString(16).toUpperCase()}`);
|
||||||
|
|
||||||
|
// Attribute List Position (from Table A2, offset 0x14)
|
||||||
|
results.attributeListOffset = results.mftEntryOffset + 0x14;
|
||||||
|
updateResultItem('attributeListOffsetNTFS', results.attributeListOffset, true,
|
||||||
|
`0x${results.mftEntryOffset.toString(16).toUpperCase()} + 0x14 = 0x${results.attributeListOffset.toString(16).toUpperCase()}`);
|
||||||
|
} else {
|
||||||
|
updateResultItem('mftEntryOffsetNTFS', 0, false);
|
||||||
|
updateResultItem('attributeListOffsetNTFS', 0, false);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Specific Cluster Offset
|
||||||
|
if (checkDependencies(['baseOffsetNTFS', 'clusterNumberNTFS', 'sectorSizeNTFS', 'clusterSizeSectorsNTFS']) && results.clusterSizeBytes !== undefined) {
|
||||||
|
results.clusterOffset = values.baseOffsetNTFS + (values.clusterNumberNTFS * results.clusterSizeBytes);
|
||||||
|
results.clusterSector = Math.floor(results.clusterOffset / values.sectorSizeNTFS);
|
||||||
|
|
||||||
|
updateResultItem('clusterOffsetNTFS', results.clusterOffset, true,
|
||||||
|
`0x${values.baseOffsetNTFS.toString(16).toUpperCase()} + (0x${values.clusterNumberNTFS.toString(16).toUpperCase()} × 0x${results.clusterSizeBytes.toString(16).toUpperCase()}) = 0x${results.clusterOffset.toString(16).toUpperCase()}`);
|
||||||
|
|
||||||
|
updateResultItem('clusterSectorNTFS', results.clusterSector, true,
|
||||||
|
`0x${results.clusterOffset.toString(16).toUpperCase()} ÷ 0x${values.sectorSizeNTFS.toString(16).toUpperCase()} = 0x${results.clusterSector.toString(16).toUpperCase()}`);
|
||||||
|
} else {
|
||||||
|
updateResultItem('clusterOffsetNTFS', 0, false);
|
||||||
|
updateResultItem('clusterSectorNTFS', 0, false);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Partition Overview
|
||||||
|
if (checkDependencies(['partitionSizeSectorsNTFS', 'sectorSizeNTFS'])) {
|
||||||
|
results.partitionSizeBytes = values.partitionSizeSectorsNTFS * values.sectorSizeNTFS;
|
||||||
|
|
||||||
|
updateResultItem('partitionSizeBytesNTFS', results.partitionSizeBytes, true,
|
||||||
|
`0x${values.partitionSizeSectorsNTFS.toString(16).toUpperCase()} × 0x${values.sectorSizeNTFS.toString(16).toUpperCase()} = 0x${results.partitionSizeBytes.toString(16).toUpperCase()}`);
|
||||||
|
|
||||||
|
if (checkDependencies(['baseOffsetNTFS'])) {
|
||||||
|
results.partitionEndOffset = values.baseOffsetNTFS + results.partitionSizeBytes;
|
||||||
|
updateResultItem('partitionEndOffsetNTFS', results.partitionEndOffset, true,
|
||||||
|
`0x${values.baseOffsetNTFS.toString(16).toUpperCase()} + 0x${results.partitionSizeBytes.toString(16).toUpperCase()} = 0x${results.partitionEndOffset.toString(16).toUpperCase()}`);
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
updateResultItem('partitionSizeBytesNTFS', 0, false);
|
||||||
|
updateResultItem('partitionEndOffsetNTFS', 0, false);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (checkDependencies(['partitionSizeSectorsNTFS', 'sectorSizeNTFS', 'clusterSizeSectorsNTFS']) && results.clusterSizeBytes !== undefined && results.partitionSizeBytes !== undefined) {
|
||||||
|
results.totalClusters = Math.floor(results.partitionSizeBytes / results.clusterSizeBytes);
|
||||||
|
|
||||||
|
updateResultItem('totalClustersNTFS', results.totalClusters, true,
|
||||||
|
`0x${results.partitionSizeBytes.toString(16).toUpperCase()} ÷ 0x${results.clusterSizeBytes.toString(16).toUpperCase()} = 0x${results.totalClusters.toString(16).toUpperCase()}`);
|
||||||
|
} else {
|
||||||
|
updateResultItem('totalClustersNTFS', 0, false);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
@ -3,11 +3,13 @@
|
|||||||
import { setupTooltips, setupCopyButtons } from './utils.js';
|
import { setupTooltips, setupCopyButtons } from './utils.js';
|
||||||
import { Calculator } from './calculator.js';
|
import { Calculator } from './calculator.js';
|
||||||
import { FATFilesystem } from './filesystems/fat.js';
|
import { FATFilesystem } from './filesystems/fat.js';
|
||||||
|
import { NTFSFilesystem } from './filesystems/ntfs.js';
|
||||||
|
|
||||||
class FilesystemCalculator {
|
class FilesystemCalculator {
|
||||||
constructor() {
|
constructor() {
|
||||||
this.filesystems = [
|
this.filesystems = [
|
||||||
new FATFilesystem()
|
new FATFilesystem(),
|
||||||
|
new NTFSFilesystem()
|
||||||
];
|
];
|
||||||
this.calculator = new Calculator();
|
this.calculator = new Calculator();
|
||||||
this.activeTab = null;
|
this.activeTab = null;
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user