1039 lines
47 KiB
HTML
1039 lines
47 KiB
HTML
<!DOCTYPE html>
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<html lang="de">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Filesystem Calculator</title>
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<style>
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* {
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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}
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body {
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font-family: 'Consolas', 'Courier New', monospace;
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background-color: #1a1a1a;
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color: #e0e0e0;
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line-height: 1.6;
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min-height: 100vh;
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display: flex;
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flex-direction: column;
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}
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/* Header */
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.header {
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background-color: #2a2a2a;
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border-bottom: 2px solid #3a3a3a;
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padding: 15px 0;
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}
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.header-content {
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max-width: 1400px;
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margin: 0 auto;
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padding: 0 20px;
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display: flex;
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justify-content: space-between;
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align-items: center;
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flex-wrap: wrap;
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}
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.logo {
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font-size: 1.5em;
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font-weight: bold;
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color: #ffffff;
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}
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.nav {
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display: flex;
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gap: 20px;
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}
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.nav a {
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color: #cccccc;
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text-decoration: none;
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transition: color 0.2s;
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}
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.nav a:hover {
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color: #ffffff;
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}
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/* Main Content */
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.main-content {
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flex: 1;
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padding: 20px;
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}
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.container {
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max-width: 1400px;
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margin: 0 auto;
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}
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h1 {
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text-align: center;
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margin-bottom: 30px;
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color: #ffffff;
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font-size: 2.2em;
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font-weight: normal;
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}
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/* Tabs */
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.tabs {
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display: flex;
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background-color: #2a2a2a;
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border-radius: 6px 6px 0 0;
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border: 1px solid #3a3a3a;
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border-bottom: none;
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overflow-x: auto;
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}
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.tab {
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padding: 15px 25px;
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cursor: pointer;
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background-color: #2a2a2a;
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border-right: 1px solid #3a3a3a;
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color: #cccccc;
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transition: all 0.2s;
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white-space: nowrap;
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min-width: 120px;
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text-align: center;
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}
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.tab:last-child {
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border-right: none;
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}
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.tab:hover {
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background-color: #353535;
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}
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.tab.active {
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background-color: #3a3a3a;
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color: #ffffff;
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border-bottom: 2px solid #666666;
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}
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.tab-content {
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display: none;
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background-color: #2a2a2a;
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border: 1px solid #3a3a3a;
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border-radius: 0 0 6px 6px;
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padding: 20px;
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}
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.tab-content.active {
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display: block;
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}
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/* Sections */
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.section {
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background-color: #252525;
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border-radius: 6px;
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padding: 20px;
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margin-bottom: 20px;
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border: 1px solid #3a3a3a;
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}
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.section h2 {
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color: #cccccc;
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margin-bottom: 15px;
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border-bottom: 1px solid #3a3a3a;
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padding-bottom: 8px;
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font-weight: normal;
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font-size: 1.3em;
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}
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.constants {
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background-color: #202020;
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}
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.results {
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background-color: #202020;
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}
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.formulas {
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background-color: #1a1a1a;
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}
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.formula-box {
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background-color: #151515;
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border: 1px solid #404040;
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border-radius: 4px;
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padding: 15px;
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margin: 10px 0;
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font-family: 'Consolas', monospace;
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font-size: 0.9em;
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}
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.formula {
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margin: 8px 0;
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color: #d0d0d0;
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word-wrap: break-word;
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}
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.calculated {
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color: #ffffff;
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font-weight: bold;
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}
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.input-grid {
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display: grid;
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grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
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gap: 15px;
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margin: 20px 0;
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}
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@media (max-width: 768px) {
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.input-grid {
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grid-template-columns: 1fr;
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gap: 12px;
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}
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}
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.input-group {
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display: flex;
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flex-direction: column;
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}
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.input-group label {
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margin-bottom: 6px;
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color: #cccccc;
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font-weight: normal;
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font-size: 0.95em;
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}
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.unit-indicator {
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color: #88cc88;
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font-weight: bold;
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font-size: 0.85em;
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}
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.input-group input {
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padding: 12px;
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background-color: #333333;
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border: 1px solid #4a4a4a;
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border-radius: 4px;
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color: #ffffff;
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font-family: 'Consolas', monospace;
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font-size: 14px;
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transition: border-color 0.2s;
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}
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.input-group input:focus {
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outline: none;
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border-color: #666666;
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background-color: #383838;
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}
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.result-item {
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display: flex;
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justify-content: space-between;
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align-items: center;
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padding: 10px 0;
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border-bottom: 1px solid #3a3a3a;
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position: relative;
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}
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.result-item:last-child {
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border-bottom: none;
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}
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.result-label {
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color: #cccccc;
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font-weight: normal;
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flex: 1;
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cursor: help;
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}
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.result-value-container {
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display: flex;
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align-items: center;
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gap: 8px;
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}
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.result-value {
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color: #ffffff;
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font-family: 'Consolas', monospace;
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text-align: right;
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font-weight: bold;
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min-width: 120px;
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cursor: help;
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}
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.copy-btn {
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background: none;
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border: none;
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color: #888888;
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cursor: pointer;
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padding: 4px;
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border-radius: 3px;
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transition: all 0.2s;
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font-size: 14px;
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}
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.copy-btn:hover {
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color: #ffffff;
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background-color: #404040;
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}
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.copy-btn:active {
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color: #88cc88;
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}
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/* Tooltip */
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.tooltip {
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position: absolute;
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background-color: #1a1a1a;
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color: #ffffff;
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padding: 8px 12px;
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border-radius: 4px;
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font-size: 0.85em;
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border: 1px solid #555555;
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z-index: 1000;
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max-width: 400px;
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word-wrap: break-word;
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box-shadow: 0 4px 8px rgba(0,0,0,0.3);
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font-family: 'Consolas', monospace;
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line-height: 1.4;
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}
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@media (max-width: 600px) {
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.result-item {
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flex-direction: column;
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align-items: flex-start;
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gap: 5px;
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}
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.result-value {
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text-align: left;
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min-width: auto;
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}
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}
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@media (max-width: 600px) {
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.header-content {
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flex-direction: column;
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gap: 10px;
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}
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.nav {
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justify-content: center;
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}
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}
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.error {
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color: #ff8888;
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font-style: italic;
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}
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/* Footer */
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.footer {
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background-color: #2a2a2a;
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border-top: 1px solid #3a3a3a;
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padding: 20px 0;
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margin-top: 40px;
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}
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.footer-content {
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max-width: 1400px;
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margin: 0 auto;
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padding: 0 20px;
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display: grid;
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grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
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gap: 30px;
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}
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.footer-section h3 {
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color: #ffffff;
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margin-bottom: 10px;
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font-size: 1.1em;
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}
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.footer-section p,
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.footer-section a {
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color: #cccccc;
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font-size: 0.9em;
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text-decoration: none;
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margin-bottom: 5px;
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display: block;
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}
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.footer-section a:hover {
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color: #ffffff;
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}
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.footer-bottom {
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text-align: center;
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padding-top: 20px;
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margin-top: 20px;
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border-top: 1px solid #3a3a3a;
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color: #888888;
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font-size: 0.85em;
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}
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@media (max-width: 768px) {
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.main-content {
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padding: 15px;
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}
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h1 {
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font-size: 1.8em;
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margin-bottom: 20px;
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}
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.section {
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padding: 15px;
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}
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.formula-box {
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padding: 12px;
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font-size: 0.85em;
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}
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.tab {
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padding: 12px 15px;
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min-width: 100px;
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}
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}
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||
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@media (min-width: 1200px) {
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.input-grid {
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grid-template-columns: repeat(3, 1fr);
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||
}
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||
}
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||
</style>
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</head>
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<body>
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<header class="header">
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<div class="header-content">
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<div class="logo">Dateisystem-Offset-Rechner</div>
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<nav class="nav">
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<a href="#home">Home</a>
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<a href="mailto:mstoeck3@hs-mittweida.de">Kontakt</a>
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</nav>
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</div>
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</header>
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<main class="main-content">
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<div class="container">
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<h1>Dateisystem-Offset-Rechner</h1>
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<div class="tabs">
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<div class="tab active" onclick="switchTab('fat1216')">FAT12/16</div>
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<div class="tab" onclick="switchTab('fat32')">FAT32</div>
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</div>
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<!-- FAT12/16 Tab -->
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<div class="tab-content active" id="fat1216">
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<div class="section constants">
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<h2>Konstanten</h2>
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<div class="input-grid">
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<div class="input-group">
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<label for="baseOffset1216">Partitions-Offset <span class="unit-indicator">(Bytes)</span>:</label>
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<input type="text" id="baseOffset1216" value="0x0" placeholder="0x0">
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</div>
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<div class="input-group">
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<label for="sectorSize1216">Größe eines Sektors <span class="unit-indicator">(Bytes)</span>:</label>
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<input type="text" id="sectorSize1216" value="0x200" placeholder="0x200">
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</div>
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</div>
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</div>
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<div class="section">
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<h2>Eingabeparameter</h2>
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<div class="input-grid">
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<div class="input-group">
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<label for="reservedSectors1216">Anzahl reservierter Sektoren <span class="unit-indicator">(Sektoren)</span>:</label>
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<input type="text" id="reservedSectors1216" placeholder="0x1">
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</div>
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<div class="input-group">
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<label for="numFATs1216">Anzahl FATs <span class="unit-indicator">(Anzahl)</span>:</label>
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<input type="text" id="numFATs1216" placeholder="0x2">
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</div>
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<div class="input-group">
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<label for="fatSizeBytes1216">Größe einer FAT <span class="unit-indicator">(Bytes)</span>:</label>
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<input type="text" id="fatSizeBytes1216" placeholder="0x1000">
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</div>
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<div class="input-group">
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<label for="maxRootEntries1216">Max. Wurzelverzeichnis-Einträge <span class="unit-indicator">(Anzahl)</span>:</label>
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<input type="text" id="maxRootEntries1216" placeholder="0x200">
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</div>
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<div class="input-group">
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<label for="partitionSizeInSectors1216">Größe Partition <span class="unit-indicator">(Sektoren)</span>:</label>
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<input type="text" id="partitionSizeInSectors1216" placeholder="0x4015">
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</div>
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<div class="input-group">
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<label for="clusterSizeSectors1216">Größe eines Clusters <span class="unit-indicator">(Sektoren)</span>:</label>
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<input type="text" id="clusterSizeSectors1216" placeholder="0x1">
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</div>
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<div class="input-group">
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||
<label for="clusterNumber1216">Cluster Nummer für Position <span class="unit-indicator">(Nummer)</span>:</label>
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||
<input type="text" id="clusterNumber1216" placeholder="0x2">
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||
</div>
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||
</div>
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||
</div>
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||
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||
<div class="section results">
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<h2>Berechnete Werte</h2>
|
||
<div id="results1216">
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||
<div class="result-item">
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||
<span class="result-label" data-formula="reservedSectors × sectorSize + baseOffset">Beginn FAT-Bereich:</span>
|
||
<div class="result-value-container">
|
||
<span class="result-value" id="fatStart1216" data-result-formula="">-</span>
|
||
<button class="copy-btn" onclick="copyToClipboard('fatStart1216')" title="Copy to clipboard">📋</button>
|
||
</div>
|
||
</div>
|
||
<div class="result-item">
|
||
<span class="result-label" data-formula="numFATs × fatSizeBytes">Größe FAT-Bereich:</span>
|
||
<div class="result-value-container">
|
||
<span class="result-value" id="fatSize1216" data-result-formula="">-</span>
|
||
<button class="copy-btn" onclick="copyToClipboard('fatSize1216')" title="Copy to clipboard">📋</button>
|
||
</div>
|
||
</div>
|
||
<div class="result-item">
|
||
<span class="result-label" data-formula="fatStart + fatSize">Ende FAT-Bereich:</span>
|
||
<div class="result-value-container">
|
||
<span class="result-value" id="fatEnd1216" data-result-formula="">-</span>
|
||
<button class="copy-btn" onclick="copyToClipboard('fatEnd1216')" title="Copy to clipboard">📋</button>
|
||
</div>
|
||
</div>
|
||
<div class="result-item">
|
||
<span class="result-label" data-formula="maxRootEntries × 0x20">Größe Wurzelverzeichnis:</span>
|
||
<div class="result-value-container">
|
||
<span class="result-value" id="rootDirSize1216" data-result-formula="">-</span>
|
||
<button class="copy-btn" onclick="copyToClipboard('rootDirSize1216')" title="Copy to clipboard">📋</button>
|
||
</div>
|
||
</div>
|
||
<div class="result-item">
|
||
<span class="result-label" data-formula="fatEnd + rootDirSize">Beginn Daten-Bereich:</span>
|
||
<div class="result-value-container">
|
||
<span class="result-value" id="dataStart1216" data-result-formula="">-</span>
|
||
<button class="copy-btn" onclick="copyToClipboard('dataStart1216')" title="Copy to clipboard">📋</button>
|
||
</div>
|
||
</div>
|
||
<div class="result-item">
|
||
<span class="result-label" data-formula="(partitionSizeInSectors × sectorSize) - (dataStart - baseOffset)">Größe Daten-Bereich:</span>
|
||
<div class="result-value-container">
|
||
<span class="result-value" id="dataSize1216" data-result-formula="">-</span>
|
||
<button class="copy-btn" onclick="copyToClipboard('dataSize1216')" title="Copy to clipboard">📋</button>
|
||
</div>
|
||
</div>
|
||
<div class="result-item">
|
||
<span class="result-label" data-formula="sectorSize × clusterSizeSectors">Größe eines Clusters:</span>
|
||
<div class="result-value-container">
|
||
<span class="result-value" id="clusterSize1216" data-result-formula="">-</span>
|
||
<button class="copy-btn" onclick="copyToClipboard('clusterSize1216')" title="Copy to clipboard">📋</button>
|
||
</div>
|
||
</div>
|
||
<div class="result-item">
|
||
<span class="result-label" data-formula="dataSize ÷ clusterSize">Anzahl Cluster:</span>
|
||
<div class="result-value-container">
|
||
<span class="result-value" id="numClusters1216" data-result-formula="">-</span>
|
||
<button class="copy-btn" onclick="copyToClipboard('numClusters1216')" title="Copy to clipboard">📋</button>
|
||
</div>
|
||
</div>
|
||
<div class="result-item">
|
||
<span class="result-label" data-formula="dataStart + (clusterNumber - 0x2) × clusterSize">Beginn Cluster:</span>
|
||
<div class="result-value-container">
|
||
<span class="result-value" id="clusterStart1216" data-result-formula="">-</span>
|
||
<button class="copy-btn" onclick="copyToClipboard('clusterStart1216')" title="Copy to clipboard">📋</button>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
|
||
<div class="section formulas">
|
||
<h2>Berechnungsformeln FAT12/16</h2>
|
||
<div class="formula-box">
|
||
<div class="formula"><span class="calculated">Beginn FAT-Bereich</span> = Anzahl reservierter Sektoren × Größe eines Sektors + Base Offset</div>
|
||
<div class="formula"><span class="calculated">Größe FAT-Bereich</span> = Anzahl FATs × Größe einer FAT</div>
|
||
<div class="formula"><span class="calculated">Ende FAT-Bereich</span> = Beginn FAT-Bereich + Größe FAT-Bereich</div>
|
||
<div class="formula"><span class="calculated">Größe Wurzelverzeichnis</span> = Anzahl max. Wurzelverzeichnis-Einträge × 0x20</div>
|
||
<div class="formula"><span class="calculated">Beginn Daten-Bereich</span> = Ende FAT-Bereich + Größe Wurzelverzeichnis</div>
|
||
<div class="formula"><span class="calculated">Größe Daten-Bereich</span> = (Größe Partition in Sektoren × Größe eines Sektors) - (Beginn Daten-Bereich - Base Offset)</div>
|
||
<div class="formula"><span class="calculated">Größe eines Clusters</span> = Größe eines Sektors × Größe eines Clusters in Sektoren</div>
|
||
<div class="formula"><span class="calculated">Anzahl Cluster</span> = Größe Daten-Bereich ÷ Größe eines Clusters</div>
|
||
<div class="formula"><span class="calculated">Beginn Cluster</span> = Beginn Daten-Bereich + (Cluster - 0x2) × Größe eines Clusters</div>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
|
||
<!-- FAT32 Tab -->
|
||
<div class="tab-content" id="fat32">
|
||
<div class="section constants">
|
||
<h2>Konstanten</h2>
|
||
<div class="input-grid">
|
||
<div class="input-group">
|
||
<label for="baseOffset32">Base Offset <span class="unit-indicator">(Bytes)</span>:</label>
|
||
<input type="text" id="baseOffset32" value="0x0" placeholder="0x0">
|
||
</div>
|
||
<div class="input-group">
|
||
<label for="sectorSize32">Größe eines Sektors <span class="unit-indicator">(Bytes)</span>:</label>
|
||
<input type="text" id="sectorSize32" value="0x200" placeholder="0x200">
|
||
</div>
|
||
</div>
|
||
</div>
|
||
|
||
<div class="section">
|
||
<h2>Eingabeparameter</h2>
|
||
<div class="input-grid">
|
||
<div class="input-group">
|
||
<label for="reservedSectors32">Anzahl reservierter Sektoren <span class="unit-indicator">(Sektoren)</span>:</label>
|
||
<input type="text" id="reservedSectors32" placeholder="0x20">
|
||
</div>
|
||
<div class="input-group">
|
||
<label for="numFATs32">Anzahl FATs <span class="unit-indicator">(Anzahl)</span>:</label>
|
||
<input type="text" id="numFATs32" placeholder="0x2">
|
||
</div>
|
||
<div class="input-group">
|
||
<label for="fatSizeBytes32">Größe einer FAT <span class="unit-indicator">(Bytes)</span>:</label>
|
||
<input type="text" id="fatSizeBytes32" placeholder="0x10000">
|
||
</div>
|
||
<div class="input-group">
|
||
<label for="rootDirCluster32">Root Directory Cluster <span class="unit-indicator">(Nummer)</span>:</label>
|
||
<input type="text" id="rootDirCluster32" placeholder="0x2">
|
||
</div>
|
||
<div class="input-group">
|
||
<label for="partitionSizeInSectors32">Größe Partition <span class="unit-indicator">(Sektoren)</span>:</label>
|
||
<input type="text" id="partitionSizeInSectors32" placeholder="0x20000">
|
||
</div>
|
||
<div class="input-group">
|
||
<label for="clusterSizeSectors32">Größe eines Clusters <span class="unit-indicator">(Sektoren)</span>:</label>
|
||
<input type="text" id="clusterSizeSectors32" placeholder="0x8">
|
||
</div>
|
||
<div class="input-group">
|
||
<label for="clusterNumber32">Cluster Nummer für Position <span class="unit-indicator">(Nummer)</span>:</label>
|
||
<input type="text" id="clusterNumber32" placeholder="0x2">
|
||
</div>
|
||
</div>
|
||
</div>
|
||
|
||
<div class="section results">
|
||
<h2>Berechnete Werte</h2>
|
||
<div id="results32">
|
||
<div class="result-item">
|
||
<span class="result-label" data-formula="reservedSectors × sectorSize + baseOffset">Beginn FAT-Bereich:</span>
|
||
<div class="result-value-container">
|
||
<span class="result-value" id="fatStart32" data-result-formula="">-</span>
|
||
<button class="copy-btn" onclick="copyToClipboard('fatStart32')" title="Copy to clipboard">📋</button>
|
||
</div>
|
||
</div>
|
||
<div class="result-item">
|
||
<span class="result-label" data-formula="numFATs × fatSizeBytes">Größe FAT-Bereich:</span>
|
||
<div class="result-value-container">
|
||
<span class="result-value" id="fatSize32" data-result-formula="">-</span>
|
||
<button class="copy-btn" onclick="copyToClipboard('fatSize32')" title="Copy to clipboard">📋</button>
|
||
</div>
|
||
</div>
|
||
<div class="result-item">
|
||
<span class="result-label" data-formula="fatStart + fatSize">Ende FAT-Bereich:</span>
|
||
<div class="result-value-container">
|
||
<span class="result-value" id="fatEnd32" data-result-formula="">-</span>
|
||
<button class="copy-btn" onclick="copyToClipboard('fatEnd32')" title="Copy to clipboard">📋</button>
|
||
</div>
|
||
</div>
|
||
<div class="result-item">
|
||
<span class="result-label" data-formula="fatEnd">Beginn Daten-Bereich:</span>
|
||
<div class="result-value-container">
|
||
<span class="result-value" id="dataStart32" data-result-formula="">-</span>
|
||
<button class="copy-btn" onclick="copyToClipboard('dataStart32')" title="Copy to clipboard">📋</button>
|
||
</div>
|
||
</div>
|
||
<div class="result-item">
|
||
<span class="result-label" data-formula="(partitionSizeInSectors × sectorSize) - (dataStart - baseOffset)">Größe Daten-Bereich:</span>
|
||
<div class="result-value-container">
|
||
<span class="result-value" id="dataSize32" data-result-formula="">-</span>
|
||
<button class="copy-btn" onclick="copyToClipboard('dataSize32')" title="Copy to clipboard">📋</button>
|
||
</div>
|
||
</div>
|
||
<div class="result-item">
|
||
<span class="result-label" data-formula="sectorSize × clusterSizeSectors">Größe eines Clusters:</span>
|
||
<div class="result-value-container">
|
||
<span class="result-value" id="clusterSize32" data-result-formula="">-</span>
|
||
<button class="copy-btn" onclick="copyToClipboard('clusterSize32')" title="Copy to clipboard">📋</button>
|
||
</div>
|
||
</div>
|
||
<div class="result-item">
|
||
<span class="result-label" data-formula="dataSize ÷ clusterSize">Anzahl Cluster:</span>
|
||
<div class="result-value-container">
|
||
<span class="result-value" id="numClusters32" data-result-formula="">-</span>
|
||
<button class="copy-btn" onclick="copyToClipboard('numClusters32')" title="Copy to clipboard">📋</button>
|
||
</div>
|
||
</div>
|
||
<div class="result-item">
|
||
<span class="result-label" data-formula="dataStart + (clusterNumber - 0x2) × clusterSize">Beginn Cluster:</span>
|
||
<div class="result-value-container">
|
||
<span class="result-value" id="clusterStart32" data-result-formula="">-</span>
|
||
<button class="copy-btn" onclick="copyToClipboard('clusterStart32')" title="Copy to clipboard">📋</button>
|
||
</div>
|
||
</div>
|
||
<div class="result-item">
|
||
<span class="result-label" data-formula="dataStart + (rootDirCluster - 0x2) × clusterSize">Root Directory Position:</span>
|
||
<div class="result-value-container">
|
||
<span class="result-value" id="rootDirPos32" data-result-formula="">-</span>
|
||
<button class="copy-btn" onclick="copyToClipboard('rootDirPos32')" title="Copy to clipboard">📋</button>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
|
||
<div class="section formulas">
|
||
<h2>Berechnungsformeln FAT32</h2>
|
||
<div class="formula-box">
|
||
<div class="formula"><span class="calculated">Beginn FAT-Bereich</span> = Anzahl reservierter Sektoren × Größe eines Sektors + Base Offset</div>
|
||
<div class="formula"><span class="calculated">Größe FAT-Bereich</span> = Anzahl FATs × Größe einer FAT</div>
|
||
<div class="formula"><span class="calculated">Ende FAT-Bereich</span> = Beginn FAT-Bereich + Größe FAT-Bereich</div>
|
||
<div class="formula"><span class="calculated">Beginn Daten-Bereich</span> = Ende FAT-Bereich (kein festes Root Directory)</div>
|
||
<div class="formula"><span class="calculated">Größe Daten-Bereich</span> = (Größe Partition in Sektoren × Größe eines Sektors) - (Beginn Daten-Bereich - Base Offset)</div>
|
||
<div class="formula"><span class="calculated">Größe eines Clusters</span> = Größe eines Sektors × Größe eines Clusters in Sektoren</div>
|
||
<div class="formula"><span class="calculated">Anzahl Cluster</span> = Größe Daten-Bereich ÷ Größe eines Clusters</div>
|
||
<div class="formula"><span class="calculated">Beginn Cluster</span> = Beginn Daten-Bereich + (Cluster - 0x2) × Größe eines Clusters</div>
|
||
<div class="formula"><span class="calculated">Root Directory Position</span> = Beginn Daten-Bereich + (Root Directory Cluster - 0x2) × Größe eines Clusters</div>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
</main>
|
||
|
||
<footer class="footer">
|
||
<div class="footer-content">
|
||
<div class="footer-section">
|
||
<h3>About</h3>
|
||
<p>Filesystem calculator for educational and forensic purposes.</p>
|
||
<p>Version 0.2.0</p>
|
||
</div>
|
||
<div class="footer-section">
|
||
<h3>Support</h3>
|
||
<a href="mailto:mstoeck3@hs-mittweida.de">Contact Support</a>
|
||
<a href="https://git.cc24.dev/mstoeck3/fscalc/issues/new">Report Bug</a>
|
||
</div>
|
||
<div class="footer-section">
|
||
<h3>Legal</h3>
|
||
<a href="https://git.cc24.dev/mstoeck3/fscalc/src/branch/main/LICENSE">License</a>
|
||
</div>
|
||
<div class="footer-section">
|
||
<h3>Connect</h3>
|
||
<a href="https://git.cc24.dev/mstoeck3/fscalc">Gitea Repository</a>
|
||
</div>
|
||
</div>
|
||
<div class="footer-bottom">
|
||
<p>© 2025 Filesystem Calculator. All rights reserved. | Built with ❤️ for it-forensics education.</p>
|
||
</div>
|
||
</footer>
|
||
|
||
<script>
|
||
// Global tooltip element
|
||
let tooltip = null;
|
||
|
||
// Create tooltip element
|
||
function createTooltip() {
|
||
if (!tooltip) {
|
||
tooltip = document.createElement('div');
|
||
tooltip.className = 'tooltip';
|
||
tooltip.style.display = 'none';
|
||
document.body.appendChild(tooltip);
|
||
}
|
||
}
|
||
|
||
// Show tooltip
|
||
function showTooltip(element, text) {
|
||
createTooltip();
|
||
tooltip.innerHTML = text;
|
||
tooltip.style.display = 'block';
|
||
|
||
const rect = element.getBoundingClientRect();
|
||
const tooltipRect = tooltip.getBoundingClientRect();
|
||
|
||
let left = rect.left + (rect.width / 2) - (tooltipRect.width / 2);
|
||
let top = rect.top - tooltipRect.height - 8;
|
||
|
||
// Keep tooltip within viewport
|
||
if (left < 10) left = 10;
|
||
if (left + tooltipRect.width > window.innerWidth - 10) {
|
||
left = window.innerWidth - tooltipRect.width - 10;
|
||
}
|
||
if (top < 10) {
|
||
top = rect.bottom + 8;
|
||
}
|
||
|
||
tooltip.style.left = left + 'px';
|
||
tooltip.style.top = top + 'px';
|
||
}
|
||
|
||
// Hide tooltip
|
||
function hideTooltip() {
|
||
if (tooltip) {
|
||
tooltip.style.display = 'none';
|
||
}
|
||
}
|
||
|
||
// Filesystem calculation implementations
|
||
const filesystems = {
|
||
fat1216: {
|
||
requiredFields: ['reservedSectors1216', 'numFATs1216', 'fatSizeBytes1216', 'maxRootEntries1216', 'partitionSizeInSectors1216', 'clusterSizeSectors1216'],
|
||
calculate: function() {
|
||
const baseOffset = parseHex(document.getElementById('baseOffset1216').value);
|
||
const sectorSize = parseHex(document.getElementById('sectorSize1216').value);
|
||
const reservedSectors = parseHex(document.getElementById('reservedSectors1216').value);
|
||
const numFATs = parseHex(document.getElementById('numFATs1216').value);
|
||
const fatSizeBytes = parseHex(document.getElementById('fatSizeBytes1216').value);
|
||
const maxRootEntries = parseHex(document.getElementById('maxRootEntries1216').value);
|
||
const partitionSizeInSectors = parseHex(document.getElementById('partitionSizeInSectors1216').value);
|
||
const clusterSizeSectors = parseHex(document.getElementById('clusterSizeSectors1216').value);
|
||
const clusterNumber = parseHex(document.getElementById('clusterNumber1216').value);
|
||
|
||
const fatStart = reservedSectors * sectorSize + baseOffset;
|
||
const fatSize = numFATs * fatSizeBytes;
|
||
const fatEnd = fatStart + fatSize;
|
||
const rootDirSize = maxRootEntries * 0x20;
|
||
const dataStart = fatEnd + rootDirSize;
|
||
const dataSize = partitionSizeInSectors * sectorSize - (dataStart - baseOffset);
|
||
const clusterSize = sectorSize * clusterSizeSectors;
|
||
const numClusters = clusterSize > 0 ? Math.floor(dataSize / clusterSize) : 0;
|
||
const clusterStart = dataStart + (clusterNumber - 0x2) * clusterSize;
|
||
|
||
// Store calculation formulas with actual values
|
||
const calculations = {
|
||
fatStart: `${reservedSectors.toString(16)} × ${sectorSize.toString(16)} + ${baseOffset.toString(16)} = ${fatStart.toString(16)}`,
|
||
fatSize: `${numFATs.toString(16)} × ${fatSizeBytes.toString(16)} = ${fatSize.toString(16)}`,
|
||
fatEnd: `${fatStart.toString(16)} + ${fatSize.toString(16)} = ${fatEnd.toString(16)}`,
|
||
rootDirSize: `${maxRootEntries.toString(16)} × 0x20 = ${rootDirSize.toString(16)}`,
|
||
dataStart: `${fatEnd.toString(16)} + ${rootDirSize.toString(16)} = ${dataStart.toString(16)}`,
|
||
dataSize: `(${partitionSizeInSectors.toString(16)} × ${sectorSize.toString(16)}) - (${dataStart.toString(16)} - ${baseOffset.toString(16)}) = ${dataSize.toString(16)}`,
|
||
clusterSize: `${sectorSize.toString(16)} × ${clusterSizeSectors.toString(16)} = ${clusterSize.toString(16)}`,
|
||
numClusters: `${dataSize.toString(16)} ÷ ${clusterSize.toString(16)} = ${numClusters.toString(16)}`,
|
||
clusterStart: `${dataStart.toString(16)} + (${clusterNumber.toString(16)} - 0x2) × ${clusterSize.toString(16)} = ${clusterStart.toString(16)}`
|
||
};
|
||
|
||
return {
|
||
fatStart, fatSize, fatEnd, rootDirSize, dataStart, dataSize,
|
||
clusterSize, numClusters, clusterStart, calculations
|
||
};
|
||
}
|
||
},
|
||
fat32: {
|
||
requiredFields: ['reservedSectors32', 'numFATs32', 'fatSizeBytes32', 'rootDirCluster32', 'partitionSizeInSectors32', 'clusterSizeSectors32'],
|
||
calculate: function() {
|
||
const baseOffset = parseHex(document.getElementById('baseOffset32').value);
|
||
const sectorSize = parseHex(document.getElementById('sectorSize32').value);
|
||
const reservedSectors = parseHex(document.getElementById('reservedSectors32').value);
|
||
const numFATs = parseHex(document.getElementById('numFATs32').value);
|
||
const fatSizeBytes = parseHex(document.getElementById('fatSizeBytes32').value);
|
||
const rootDirCluster = parseHex(document.getElementById('rootDirCluster32').value);
|
||
const partitionSizeInSectors = parseHex(document.getElementById('partitionSizeInSectors32').value);
|
||
const clusterSizeSectors = parseHex(document.getElementById('clusterSizeSectors32').value);
|
||
const clusterNumber = parseHex(document.getElementById('clusterNumber32').value);
|
||
|
||
const fatStart = reservedSectors * sectorSize + baseOffset;
|
||
const fatSize = numFATs * fatSizeBytes;
|
||
const fatEnd = fatStart + fatSize;
|
||
const dataStart = fatEnd;
|
||
const dataSize = partitionSizeInSectors * sectorSize - (dataStart - baseOffset);
|
||
const clusterSize = sectorSize * clusterSizeSectors;
|
||
const numClusters = clusterSize > 0 ? Math.floor(dataSize / clusterSize) : 0;
|
||
const clusterStart = dataStart + (clusterNumber - 0x2) * clusterSize;
|
||
const rootDirPos = dataStart + (rootDirCluster - 0x2) * clusterSize;
|
||
|
||
const calculations = {
|
||
fatStart: `${reservedSectors.toString(16)} × ${sectorSize.toString(16)} + ${baseOffset.toString(16)} = ${fatStart.toString(16)}`,
|
||
fatSize: `${numFATs.toString(16)} × ${fatSizeBytes.toString(16)} = ${fatSize.toString(16)}`,
|
||
fatEnd: `${fatStart.toString(16)} + ${fatSize.toString(16)} = ${fatEnd.toString(16)}`,
|
||
dataStart: `${fatEnd.toString(16)}`,
|
||
dataSize: `(${partitionSizeInSectors.toString(16)} × ${sectorSize.toString(16)}) - (${dataStart.toString(16)} - ${baseOffset.toString(16)}) = ${dataSize.toString(16)}`,
|
||
clusterSize: `${sectorSize.toString(16)} × ${clusterSizeSectors.toString(16)} = ${clusterSize.toString(16)}`,
|
||
numClusters: `${dataSize.toString(16)} ÷ ${clusterSize.toString(16)} = ${numClusters.toString(16)}`,
|
||
clusterStart: `${dataStart.toString(16)} + (${clusterNumber.toString(16)} - 0x2) × ${clusterSize.toString(16)} = ${clusterStart.toString(16)}`,
|
||
rootDirPos: `${dataStart.toString(16)} + (${rootDirCluster.toString(16)} - 0x2) × ${clusterSize.toString(16)} = ${rootDirPos.toString(16)}`
|
||
};
|
||
|
||
return {
|
||
fatStart, fatSize, fatEnd, dataStart, dataSize,
|
||
clusterSize, numClusters, clusterStart, rootDirPos, calculations
|
||
};
|
||
}
|
||
}
|
||
};
|
||
|
||
function parseHex(value) {
|
||
if (!value) return 0;
|
||
let cleanValue = value.toString().trim();
|
||
if (cleanValue.startsWith('0x') || cleanValue.startsWith('0X')) {
|
||
cleanValue = cleanValue.substring(2);
|
||
}
|
||
const parsed = parseInt(cleanValue, 16);
|
||
return isNaN(parsed) ? 0 : parsed;
|
||
}
|
||
|
||
function formatHex(value) {
|
||
if (isNaN(value) || value < 0) {
|
||
return '<span class="error">Fehler</span>';
|
||
}
|
||
return '0x' + value.toString(16).toUpperCase();
|
||
}
|
||
|
||
function copyToClipboard(elementId) {
|
||
const element = document.getElementById(elementId);
|
||
const text = element.textContent.trim();
|
||
|
||
if (text === '-' || text.includes('Fehler')) {
|
||
return;
|
||
}
|
||
|
||
navigator.clipboard.writeText(text).then(() => {
|
||
const btn = element.parentElement.querySelector('.copy-btn');
|
||
const originalText = btn.textContent;
|
||
btn.textContent = '✓';
|
||
btn.style.color = '#88cc88';
|
||
setTimeout(() => {
|
||
btn.textContent = originalText;
|
||
btn.style.color = '';
|
||
}, 1000);
|
||
}).catch(err => {
|
||
console.error('Failed to copy to clipboard:', err);
|
||
});
|
||
}
|
||
|
||
function switchTab(tabId) {
|
||
document.querySelectorAll('.tab-content').forEach(content => {
|
||
content.classList.remove('active');
|
||
});
|
||
|
||
document.querySelectorAll('.tab').forEach(tab => {
|
||
tab.classList.remove('active');
|
||
});
|
||
|
||
document.getElementById(tabId).classList.add('active');
|
||
event.target.classList.add('active');
|
||
}
|
||
|
||
function calculate(fsType) {
|
||
try {
|
||
const fs = filesystems[fsType];
|
||
if (!fs) {
|
||
alert('Unknown filesystem type: ' + fsType);
|
||
return;
|
||
}
|
||
|
||
const results = fs.calculate();
|
||
|
||
if (fsType === 'fat1216') {
|
||
const mapping = {
|
||
'fatStart1216': ['fatStart', 'fatStart'],
|
||
'fatSize1216': ['fatSize', 'fatSize'],
|
||
'fatEnd1216': ['fatEnd', 'fatEnd'],
|
||
'rootDirSize1216': ['rootDirSize', 'rootDirSize'],
|
||
'dataStart1216': ['dataStart', 'dataStart'],
|
||
'dataSize1216': ['dataSize', 'dataSize'],
|
||
'clusterSize1216': ['clusterSize', 'clusterSize'],
|
||
'numClusters1216': ['numClusters', 'numClusters'],
|
||
'clusterStart1216': ['clusterStart', 'clusterStart']
|
||
};
|
||
|
||
Object.entries(mapping).forEach(([elementId, [resultKey, calcKey]]) => {
|
||
const element = document.getElementById(elementId);
|
||
element.innerHTML = formatHex(results[resultKey]);
|
||
element.setAttribute('data-result-formula', results.calculations[calcKey]);
|
||
});
|
||
} else if (fsType === 'fat32') {
|
||
const mapping = {
|
||
'fatStart32': ['fatStart', 'fatStart'],
|
||
'fatSize32': ['fatSize', 'fatSize'],
|
||
'fatEnd32': ['fatEnd', 'fatEnd'],
|
||
'dataStart32': ['dataStart', 'dataStart'],
|
||
'dataSize32': ['dataSize', 'dataSize'],
|
||
'clusterSize32': ['clusterSize', 'clusterSize'],
|
||
'numClusters32': ['numClusters', 'numClusters'],
|
||
'clusterStart32': ['clusterStart', 'clusterStart'],
|
||
'rootDirPos32': ['rootDirPos', 'rootDirPos']
|
||
};
|
||
|
||
Object.entries(mapping).forEach(([elementId, [resultKey, calcKey]]) => {
|
||
const element = document.getElementById(elementId);
|
||
element.innerHTML = formatHex(results[resultKey]);
|
||
element.setAttribute('data-result-formula', results.calculations[calcKey]);
|
||
});
|
||
}
|
||
|
||
} catch (error) {
|
||
alert('Fehler bei der Berechnung: ' + error.message);
|
||
console.error('Calculation error:', error);
|
||
}
|
||
}
|
||
|
||
function clearAll(fsType) {
|
||
const fs = filesystems[fsType];
|
||
if (!fs) return;
|
||
|
||
fs.requiredFields.forEach(fieldId => {
|
||
const element = document.getElementById(fieldId);
|
||
if (element) element.value = '';
|
||
});
|
||
|
||
const clusterField = document.getElementById(`clusterNumber${fsType === 'fat1216' ? '1216' : '32'}`);
|
||
if (clusterField) clusterField.value = '';
|
||
|
||
if (fsType === 'fat1216') {
|
||
const resultElements = ['fatStart1216', 'fatSize1216', 'fatEnd1216', 'rootDirSize1216', 'dataStart1216', 'dataSize1216', 'clusterSize1216', 'numClusters1216', 'clusterStart1216'];
|
||
resultElements.forEach(id => {
|
||
const element = document.getElementById(id);
|
||
element.innerHTML = '-';
|
||
element.setAttribute('data-result-formula', '');
|
||
});
|
||
} else if (fsType === 'fat32') {
|
||
const resultElements = ['fatStart32', 'fatSize32', 'fatEnd32', 'dataStart32', 'dataSize32', 'clusterSize32', 'numClusters32', 'clusterStart32', 'rootDirPos32'];
|
||
resultElements.forEach(id => {
|
||
const element = document.getElementById(id);
|
||
element.innerHTML = '-';
|
||
element.setAttribute('data-result-formula', '');
|
||
});
|
||
}
|
||
}
|
||
|
||
// Add event listeners
|
||
document.addEventListener('DOMContentLoaded', function() {
|
||
// Real-time calculation
|
||
Object.keys(filesystems).forEach(fsType => {
|
||
const fs = filesystems[fsType];
|
||
fs.requiredFields.forEach(fieldId => {
|
||
const input = document.getElementById(fieldId);
|
||
if (input) {
|
||
input.addEventListener('input', function() {
|
||
const allFilled = fs.requiredFields.every(id =>
|
||
document.getElementById(id).value.trim() !== ''
|
||
);
|
||
if (allFilled) {
|
||
calculate(fsType);
|
||
}
|
||
});
|
||
}
|
||
});
|
||
});
|
||
|
||
// Tooltip event listeners
|
||
document.addEventListener('mouseover', function(e) {
|
||
if (e.target.classList.contains('result-label')) {
|
||
const formula = e.target.getAttribute('data-formula');
|
||
if (formula) {
|
||
showTooltip(e.target, `Formel: ${formula}`);
|
||
}
|
||
} else if (e.target.classList.contains('result-value')) {
|
||
const formula = e.target.getAttribute('data-result-formula');
|
||
if (formula && formula !== '') {
|
||
showTooltip(e.target, `Calculation: ${formula}`);
|
||
}
|
||
}
|
||
});
|
||
|
||
document.addEventListener('mouseout', function(e) {
|
||
if (e.target.classList.contains('result-label') || e.target.classList.contains('result-value')) {
|
||
hideTooltip();
|
||
}
|
||
});
|
||
|
||
// Hide tooltip when scrolling
|
||
document.addEventListener('scroll', hideTooltip);
|
||
});
|
||
</script>
|
||
</body>
|
||
</html> |