1339 lines
		
	
	
		
			44 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			1339 lines
		
	
	
		
			44 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
#!/bin/bash
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# Forensic Practice Disk Image Creator - Enhanced Version
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# Creates disk images with various filesystems for forensic analysis practice
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# Now with improved UX, sanity checks, and extended filesystem support
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#set -e  # Exit on error
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# Color codes for output
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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CYAN='\033[0;36m'
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MAGENTA='\033[0;35m'
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NC='\033[0m' # No Color
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# Function to print colored messages
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print_info() {
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    echo -e "${BLUE}[INFO]${NC} $1"
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}
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print_success() {
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    echo -e "${GREEN}[SUCCESS]${NC} $1"
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}
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print_warning() {
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    echo -e "${YELLOW}[WARNING]${NC} $1"
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}
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print_error() {
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    echo -e "${RED}[ERROR]${NC} $1"
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}
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print_note() {
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    echo -e "${CYAN}[NOTE]${NC} $1"
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}
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print_tip() {
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    echo -e "${MAGENTA}[TIP]${NC} $1"
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}
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# Filesystem size constraints (in MB)
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declare -A FS_MIN_SIZE
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FS_MIN_SIZE["fat12"]=1
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FS_MIN_SIZE["fat16"]=5
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FS_MIN_SIZE["fat32"]=33
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FS_MIN_SIZE["exfat"]=1
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FS_MIN_SIZE["ntfs"]=7
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FS_MIN_SIZE["ext2"]=1
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FS_MIN_SIZE["ext3"]=1
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FS_MIN_SIZE["ext4"]=1
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FS_MIN_SIZE["xfs"]=16
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FS_MIN_SIZE["hfsplus"]=8
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FS_MIN_SIZE["apfs"]=1
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FS_MIN_SIZE["swap"]=1
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FS_MIN_SIZE["unallocated"]=1
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declare -A FS_MAX_SIZE
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FS_MAX_SIZE["fat12"]=16
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FS_MAX_SIZE["fat16"]=2048
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FS_MAX_SIZE["fat32"]=2097152  # 2TB in theory, but practical limit
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FS_MAX_SIZE["exfat"]=16777216  # 16 TB practical
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FS_MAX_SIZE["ntfs"]=16777216   # 16 TB+
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FS_MAX_SIZE["ext2"]=16777216
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FS_MAX_SIZE["ext3"]=16777216
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FS_MAX_SIZE["ext4"]=16777216
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FS_MAX_SIZE["xfs"]=16777216
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FS_MAX_SIZE["hfsplus"]=2097152  # 2TB
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FS_MAX_SIZE["apfs"]=16777216
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FS_MAX_SIZE["swap"]=128000  # 128GB practical max
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FS_MAX_SIZE["unallocated"]=16777216  # No real limit
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# Check if running as root
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check_root() {
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    if [ "$EUID" -ne 0 ]; then
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        print_error "This script must be run as root (use sudo)"
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        exit 1
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    fi
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}
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# Function to check required tools
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check_dependencies() {
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    local missing_tools=()
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    command -v dd >/dev/null 2>&1 || missing_tools+=("coreutils")
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    command -v losetup >/dev/null 2>&1 || missing_tools+=("util-linux")
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    command -v parted >/dev/null 2>&1 || missing_tools+=("parted")
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    command -v bc >/dev/null 2>&1 || missing_tools+=("bc")
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    if [ ${#missing_tools[@]} -gt 0 ]; then
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        print_error "Missing required packages: ${missing_tools[*]}"
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        print_info "Install with: sudo apt-get install ${missing_tools[*]}"
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        exit 1
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    fi
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}
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# Check filesystem tool availability
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check_filesystem_tools() {
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    echo ""
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    echo "Checking filesystem tool availability..."
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    echo ""
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    # FAT12/16
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    if command -v mkfs.fat >/dev/null 2>&1 || command -v mkfs.vfat >/dev/null 2>&1; then
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        echo -e "  ${GREEN}✓${NC} FAT12/16 (mkfs.fat available)"
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    else
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        echo -e "  ${YELLOW}✗${NC} FAT12/16 (install: sudo apt-get install dosfstools)"
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    fi
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    # FAT32
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    if command -v mkfs.vfat >/dev/null 2>&1; then
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        echo -e "  ${GREEN}✓${NC} FAT32    (mkfs.vfat available)"
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    else
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        echo -e "  ${YELLOW}✗${NC} FAT32    (install: sudo apt-get install dosfstools)"
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    fi
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    # exFAT
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    if command -v mkfs.exfat >/dev/null 2>&1; then
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        echo -e "  ${GREEN}✓${NC} exFAT    (mkfs.exfat available)"
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    else
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        echo -e "  ${YELLOW}✗${NC} exFAT    (install: sudo apt-get install exfatprogs)"
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    fi
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    # NTFS
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    if command -v mkfs.ntfs >/dev/null 2>&1; then
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        echo -e "  ${GREEN}✓${NC} NTFS     (mkfs.ntfs available)"
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    else
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        echo -e "  ${YELLOW}✗${NC} NTFS     (install: sudo apt-get install ntfs-3g)"
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    fi
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    # ext2/3/4
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    if command -v mkfs.ext4 >/dev/null 2>&1; then
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        echo -e "  ${GREEN}✓${NC} ext2/3/4 (mkfs.ext4 available)"
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    else
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        echo -e "  ${YELLOW}✗${NC} ext2/3/4 (install: sudo apt-get install e2fsprogs)"
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    fi
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    # XFS
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    if command -v mkfs.xfs >/dev/null 2>&1; then
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        echo -e "  ${GREEN}✓${NC} XFS      (mkfs.xfs available)"
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    else
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        echo -e "  ${YELLOW}✗${NC} XFS      (install: sudo apt-get install xfsprogs)"
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    fi
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    # HFS+
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    if command -v mkfs.hfsplus >/dev/null 2>&1; then
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        echo -e "  ${GREEN}✓${NC} HFS+     (mkfs.hfsplus available)"
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    else
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        echo -e "  ${YELLOW}✗${NC} HFS+     (install: sudo apt-get install hfsprogs)"
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    fi
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    # APFS
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    if command -v mkfs.apfs >/dev/null 2>&1; then
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        echo -e "  ${GREEN}✓${NC} APFS     (mkfs.apfs available)"
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    else
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        echo -e "  ${YELLOW}✗${NC} APFS     (limited Linux support - not recommended)"
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    fi
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    # swap
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    if command -v mkswap >/dev/null 2>&1; then
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        echo -e "  ${GREEN}✓${NC} swap     (mkswap available)"
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    else
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        echo -e "  ${YELLOW}✗${NC} swap     (should be in util-linux)"
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    fi
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    echo ""
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}
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# Validate filesystem label
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validate_label() {
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    local fs=$1
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    local label=$2
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    case $fs in
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        fat12|fat16|fat32|vfat)
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            if [ ${#label} -gt 11 ]; then
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                print_error "FAT label must be 11 characters or less"
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                return 1
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            fi
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            # FAT labels should be uppercase and no lowercase allowed
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            if [[ "$label" =~ [a-z] ]]; then
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                print_warning "FAT labels are typically uppercase. Converting..."
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                echo "${label^^}"
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                return 0
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            fi
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            ;;
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        ntfs)
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            if [ ${#label} -gt 32 ]; then
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                print_error "NTFS label must be 32 characters or less"
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                return 1
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            fi
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            ;;
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        ext2|ext3|ext4)
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            if [ ${#label} -gt 16 ]; then
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                print_error "ext2/3/4 label must be 16 characters or less"
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                return 1
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            fi
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            ;;
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        xfs)
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            if [ ${#label} -gt 12 ]; then
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                print_error "XFS label must be 12 characters or less"
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                return 1
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            fi
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            ;;
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        exfat)
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            if [ ${#label} -gt 15 ]; then
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                print_error "exFAT label must be 15 characters or less"
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                return 1
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            fi
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            ;;
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        hfsplus)
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            if [ ${#label} -gt 27 ]; then
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                print_error "HFS+ label must be 27 characters or less"
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                return 1
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            fi
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            ;;
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    esac
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    echo "$label"
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    return 0
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}
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# Check if size is appropriate for filesystem
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validate_fs_size() {
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    local fs=$1
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    local size=$2
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    if [ "$size" = "remaining" ]; then
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        return 0
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    fi
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    local min=${FS_MIN_SIZE[$fs]}
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    local max=${FS_MAX_SIZE[$fs]}
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    if [ -n "$min" ] && [ "$size" -lt "$min" ]; then
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        print_error "Partition size ${size}MB is too small for $fs (minimum: ${min}MB)"
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        return 1
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    fi
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    if [ -n "$max" ] && [ "$size" -gt "$max" ]; then
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        print_warning "Partition size ${size}MB exceeds recommended maximum for $fs (${max}MB)"
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        read -p "Continue anyway? (y/n): " continue
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        if [ "$continue" != "y" ]; then
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            return 1
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        fi
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    fi
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    # Specific warnings
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    case $fs in
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        fat12)
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            if [ "$size" -gt 16 ]; then
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                print_error "FAT12 cannot exceed 16MB"
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                return 1
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            fi
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            ;;
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        fat16)
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            if [ "$size" -lt 16 ]; then
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                print_warning "Partition is small enough for FAT12, but you selected FAT16"
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            fi
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            if [ "$size" -gt 2048 ]; then
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                print_error "FAT16 cannot exceed 2GB (2048MB)"
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                return 1
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            fi
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            ;;
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        fat32)
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            if [ "$size" -lt 33 ]; then
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                print_error "FAT32 requires at least 33MB"
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                return 1
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            fi
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            ;;
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        xfs)
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            if [ "$size" -lt 16 ]; then
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                print_error "XFS requires at least 16MB"
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                return 1
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            fi
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            ;;
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    esac
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    return 0
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}
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# Display banner
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show_banner() {
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    echo ""
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    echo "=========================================="
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    echo "  Forensic Disk Image Creator"
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    echo "  Enhanced Edition v2.1"
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    echo "=========================================="
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    echo ""
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}
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# Get filename from user
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get_filename() {
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    echo ""
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    read -p "Enter output filename (default: forensic_disk.dd): " FILENAME
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    FILENAME=${FILENAME:-forensic_disk.dd}
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    # Validate filename
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    if [[ "$FILENAME" =~ [^a-zA-Z0-9._-] ]]; then
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        print_warning "Filename contains special characters. This may cause issues."
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        read -p "Continue with this filename? (y/n): " continue
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        if [ "$continue" != "y" ]; then
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            get_filename
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            return
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        fi
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    fi
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    if [ -f "$FILENAME" ]; then
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        print_warning "File already exists: $FILENAME"
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        read -p "Overwrite? (y/n): " OVERWRITE
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        if [ "$OVERWRITE" != "y" ]; then
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            print_info "Please choose a different filename"
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            get_filename
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            return
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        fi
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    fi
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}
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# Get disk size from user
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get_disk_size() {
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    echo ""
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    echo "Disk Size Options:"
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    echo "  1) 100 MB   (small, quick testing)"
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    echo "  2) 500 MB   (medium)"
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    echo "  3) 1 GB     (standard)"
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    echo "  4) 5 GB     (large)"
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    echo "  5) 10 GB    (very large)"
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    echo "  6) Custom size"
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    echo ""
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    read -p "Select disk size [1-6]: " SIZE_CHOICE
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    case $SIZE_CHOICE in
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        1) DISK_SIZE_MB=100 ;;
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        2) DISK_SIZE_MB=500 ;;
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        3) DISK_SIZE_MB=1024 ;;
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        4) DISK_SIZE_MB=5120 ;;
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        5) DISK_SIZE_MB=10240 ;;
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        6)
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            read -p "Enter size in MB: " DISK_SIZE_MB
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            if ! [[ "$DISK_SIZE_MB" =~ ^[0-9]+$ ]] || [ "$DISK_SIZE_MB" -lt 10 ]; then
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                print_error "Invalid size. Must be at least 10 MB"
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                get_disk_size
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                return
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            fi
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            if [ "$DISK_SIZE_MB" -gt 102400 ]; then
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                print_warning "Very large disk size (>100GB). This may take a while."
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                read -p "Continue? (y/n): " continue
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                if [ "$continue" != "y" ]; then
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                    get_disk_size
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                    return
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                fi
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            fi
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            ;;
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        *)
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            print_error "Invalid choice"
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            get_disk_size
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            return
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            ;;
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    esac
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    print_info "Selected disk size: ${DISK_SIZE_MB} MB ($(echo "scale=2; $DISK_SIZE_MB/1024" | bc) GB)"
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}
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# Get initialization method
 | 
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get_init_method() {
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    echo ""
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    echo "Initialization Method:"
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    echo "  1) /dev/zero   (Fast, zeros - forensically predictable)"
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    echo "  2) /dev/urandom (Slow, random data - more realistic)"
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    echo "  3) fallocate   (Fastest, sparse file - testing only)"
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    echo ""
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    print_tip "For forensic practice, /dev/zero (option 1) is recommended"
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    echo ""
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    read -p "Select initialization method [1-3]: " INIT_CHOICE
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    case $INIT_CHOICE in
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        1) INIT_METHOD="zero" ;;
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        2) 
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            INIT_METHOD="random"
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            print_warning "Random initialization can be VERY slow for large disks"
 | 
						|
            estimated_time=$(echo "scale=0; $DISK_SIZE_MB/10" | bc)
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            print_info "Estimated time: ~${estimated_time} seconds"
 | 
						|
            ;;
 | 
						|
        3) 
 | 
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            INIT_METHOD="fallocate"
 | 
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            print_warning "Sparse files may not be suitable for all forensic scenarios"
 | 
						|
            ;;
 | 
						|
        *)
 | 
						|
            print_error "Invalid choice"
 | 
						|
            get_init_method
 | 
						|
            return
 | 
						|
            ;;
 | 
						|
    esac
 | 
						|
    
 | 
						|
    print_info "Selected initialization method: $INIT_METHOD"
 | 
						|
}
 | 
						|
 | 
						|
# Get preset or custom layout
 | 
						|
get_preset_or_custom() {
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						|
    USE_PRESET=false
 | 
						|
    
 | 
						|
    echo ""
 | 
						|
    echo "=========================================="
 | 
						|
    echo "  Disk Layout"
 | 
						|
    echo "=========================================="
 | 
						|
    echo ""
 | 
						|
    echo "Layout Presets:"
 | 
						|
    echo ""
 | 
						|
    echo "  Windows Presets:"
 | 
						|
    echo "    1)  Windows 11/10 (GPT, EFI + NTFS + Recovery)"
 | 
						|
    echo "    2)  Windows Vista/7/8 (MBR, System Reserved + NTFS)"
 | 
						|
    echo "    3)  Windows 2000/XP (MBR, Single NTFS)"
 | 
						|
    echo "    4)  Windows 98/ME (MBR, Single FAT32)"
 | 
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    echo "    5)  Windows 95 (MBR, Single FAT16)"
 | 
						|
    echo "    6)  Windows 3.1 (MBR, Single FAT16)"
 | 
						|
    echo "    7)  MS-DOS (MBR, Single FAT12)"
 | 
						|
    echo ""
 | 
						|
    echo "  Linux Presets:"
 | 
						|
    echo "    8)  Modern Linux (GPT, EFI + Root + Swap)"
 | 
						|
    echo "    9)  Linux with /home (GPT, EFI + Root + Home)"
 | 
						|
    echo "    10) Classic Linux (MBR, Boot + Root + Swap)"
 | 
						|
    echo "    11) Minimal Linux (MBR, Single ext4)"
 | 
						|
    echo ""
 | 
						|
    echo "  macOS Presets:"
 | 
						|
    echo "    12) Modern macOS (GPT, EFI + APFS)"
 | 
						|
    echo "    13) Legacy macOS (GPT, Single HFS+)"
 | 
						|
    echo ""
 | 
						|
    echo "  Custom:"
 | 
						|
    echo "    14) Custom layout (manual configuration)"
 | 
						|
    echo ""
 | 
						|
    read -p "Select layout [1-14]: " PRESET_CHOICE
 | 
						|
    
 | 
						|
    case $PRESET_CHOICE in
 | 
						|
        1)  # Windows 11/10
 | 
						|
            USE_PRESET=true
 | 
						|
            PARTITION_SCHEME="gpt"
 | 
						|
            PARTITION_COUNT=3
 | 
						|
            print_info "Preset: Windows 11/10 (GPT)"
 | 
						|
            print_note "EFI System Partition (260MB) + Main Windows (auto) + Recovery (500MB)"
 | 
						|
            ;;
 | 
						|
        2)  # Windows Vista/7/8
 | 
						|
            USE_PRESET=true
 | 
						|
            PARTITION_SCHEME="msdos"
 | 
						|
            PARTITION_COUNT=2
 | 
						|
            print_info "Preset: Windows Vista/7/8 (MBR)"
 | 
						|
            print_note "System Reserved (100MB) + Main Windows (auto)"
 | 
						|
            ;;
 | 
						|
        3)  # Windows 2000/XP
 | 
						|
            USE_PRESET=true
 | 
						|
            PARTITION_SCHEME="msdos"
 | 
						|
            PARTITION_COUNT=1
 | 
						|
            print_info "Preset: Windows 2000/XP (MBR)"
 | 
						|
            print_note "Single NTFS partition"
 | 
						|
            ;;
 | 
						|
        4)  # Windows 98/ME
 | 
						|
            USE_PRESET=true
 | 
						|
            PARTITION_SCHEME="msdos"
 | 
						|
            PARTITION_COUNT=1
 | 
						|
            print_info "Preset: Windows 98/ME (MBR)"
 | 
						|
            print_note "Single FAT32 partition"
 | 
						|
            ;;
 | 
						|
        5)  # Windows 95
 | 
						|
            USE_PRESET=true
 | 
						|
            PARTITION_SCHEME="msdos"
 | 
						|
            PARTITION_COUNT=1
 | 
						|
            print_info "Preset: Windows 95 (MBR)"
 | 
						|
            print_note "Single FAT16 partition"
 | 
						|
            ;;
 | 
						|
        6)  # Windows 3.1
 | 
						|
            USE_PRESET=true
 | 
						|
            PARTITION_SCHEME="msdos"
 | 
						|
            PARTITION_COUNT=1
 | 
						|
            print_info "Preset: Windows 3.1 (MBR)"
 | 
						|
            print_note "Single FAT16 partition"
 | 
						|
            ;;
 | 
						|
        7)  # MS-DOS
 | 
						|
            USE_PRESET=true
 | 
						|
            PARTITION_SCHEME="msdos"
 | 
						|
            PARTITION_COUNT=1
 | 
						|
            print_info "Preset: MS-DOS (MBR)"
 | 
						|
            print_note "Single FAT12 partition (max 16MB)"
 | 
						|
            if [ "$DISK_SIZE_MB" -gt 16 ]; then
 | 
						|
                print_warning "MS-DOS typically uses FAT12 which is limited to 16MB"
 | 
						|
                print_info "Consider reducing disk size or the partition will use FAT16"
 | 
						|
            fi
 | 
						|
            ;;
 | 
						|
        8)  # Modern Linux
 | 
						|
            USE_PRESET=true
 | 
						|
            PARTITION_SCHEME="gpt"
 | 
						|
            PARTITION_COUNT=3
 | 
						|
            print_info "Preset: Modern Linux (GPT)"
 | 
						|
            print_note "EFI (260MB) + Root ext4 (auto) + Swap (2GB)"
 | 
						|
            ;;
 | 
						|
        9)  # Linux with /home
 | 
						|
            USE_PRESET=true
 | 
						|
            PARTITION_SCHEME="gpt"
 | 
						|
            PARTITION_COUNT=3
 | 
						|
            print_info "Preset: Linux with separate /home (GPT)"
 | 
						|
            print_note "EFI (260MB) + Root ext4 (auto) + Home ext4 (auto)"
 | 
						|
            ;;
 | 
						|
        10) # Classic Linux
 | 
						|
            USE_PRESET=true
 | 
						|
            PARTITION_SCHEME="msdos"
 | 
						|
            PARTITION_COUNT=3
 | 
						|
            print_info "Preset: Classic Linux (MBR)"
 | 
						|
            print_note "Boot ext4 (500MB) + Root ext4 (auto) + Swap (2GB)"
 | 
						|
            ;;
 | 
						|
        11) # Minimal Linux
 | 
						|
            USE_PRESET=true
 | 
						|
            PARTITION_SCHEME="msdos"
 | 
						|
            PARTITION_COUNT=1
 | 
						|
            print_info "Preset: Minimal Linux (MBR)"
 | 
						|
            print_note "Single ext4 partition"
 | 
						|
            ;;
 | 
						|
        12) # Modern macOS
 | 
						|
            USE_PRESET=true
 | 
						|
            PARTITION_SCHEME="gpt"
 | 
						|
            PARTITION_COUNT=2
 | 
						|
            print_info "Preset: Modern macOS (GPT)"
 | 
						|
            print_note "EFI (200MB) + APFS (auto)"
 | 
						|
            print_warning "APFS support on Linux is very limited"
 | 
						|
            ;;
 | 
						|
        13) # Legacy macOS
 | 
						|
            USE_PRESET=true
 | 
						|
            PARTITION_SCHEME="gpt"
 | 
						|
            PARTITION_COUNT=1
 | 
						|
            print_info "Preset: Legacy macOS (GPT)"
 | 
						|
            print_note "Single HFS+ partition"
 | 
						|
            print_warning "HFS+ support on Linux is limited"
 | 
						|
            ;;
 | 
						|
        14) # Custom
 | 
						|
            USE_PRESET=false
 | 
						|
            print_info "Custom layout selected"
 | 
						|
            ;;
 | 
						|
        *)
 | 
						|
            print_error "Invalid choice"
 | 
						|
            get_preset_or_custom
 | 
						|
            return
 | 
						|
            ;;
 | 
						|
    esac
 | 
						|
    
 | 
						|
    if [ "$USE_PRESET" = true ]; then
 | 
						|
        echo ""
 | 
						|
        read -p "Customize this preset? (y/n, default: n): " CUSTOMIZE
 | 
						|
        CUSTOMIZE=${CUSTOMIZE:-n}
 | 
						|
        
 | 
						|
        if [ "$CUSTOMIZE" = "y" ]; then
 | 
						|
            ALLOW_PRESET_CUSTOMIZATION=true
 | 
						|
            print_info "You can modify the preset configuration in the next steps"
 | 
						|
        else
 | 
						|
            ALLOW_PRESET_CUSTOMIZATION=false
 | 
						|
            print_info "Using preset configuration as-is"
 | 
						|
        fi
 | 
						|
    fi
 | 
						|
}
 | 
						|
 | 
						|
# Apply preset configuration
 | 
						|
apply_preset() {
 | 
						|
    PARTITION_CONFIGS=()
 | 
						|
    
 | 
						|
    case $PRESET_CHOICE in
 | 
						|
        1)  # Windows 11/10
 | 
						|
            PARTITION_CONFIGS+=("vfat|260|EFI")
 | 
						|
            PARTITION_CONFIGS+=("ntfs|remaining|Windows")
 | 
						|
            PARTITION_CONFIGS+=("ntfs|500|Recovery")
 | 
						|
            ;;
 | 
						|
        2)  # Windows Vista/7/8
 | 
						|
            PARTITION_CONFIGS+=("ntfs|100|System")
 | 
						|
            PARTITION_CONFIGS+=("ntfs|remaining|Windows")
 | 
						|
            ;;
 | 
						|
        3)  # Windows 2000/XP
 | 
						|
            PARTITION_CONFIGS+=("ntfs|remaining|Windows")
 | 
						|
            ;;
 | 
						|
        4)  # Windows 98/ME
 | 
						|
            PARTITION_CONFIGS+=("vfat|remaining|WIN98")
 | 
						|
            ;;
 | 
						|
        5)  # Windows 95
 | 
						|
            if [ "$DISK_SIZE_MB" -le 2048 ]; then
 | 
						|
                PARTITION_CONFIGS+=("fat16|remaining|WIN95")
 | 
						|
            else
 | 
						|
                PARTITION_CONFIGS+=("vfat|remaining|WIN95")
 | 
						|
                print_warning "Disk >2GB, using FAT32 instead of FAT16"
 | 
						|
            fi
 | 
						|
            ;;
 | 
						|
        6)  # Windows 3.1
 | 
						|
            PARTITION_CONFIGS+=("fat16|remaining|WIN31")
 | 
						|
            ;;
 | 
						|
        7)  # MS-DOS
 | 
						|
            if [ "$DISK_SIZE_MB" -le 16 ]; then
 | 
						|
                PARTITION_CONFIGS+=("fat12|remaining|MSDOS")
 | 
						|
            else
 | 
						|
                PARTITION_CONFIGS+=("fat16|remaining|MSDOS")
 | 
						|
                print_warning "Disk >16MB, using FAT16 instead of FAT12"
 | 
						|
            fi
 | 
						|
            ;;
 | 
						|
        8)  # Modern Linux
 | 
						|
            PARTITION_CONFIGS+=("vfat|260|EFI")
 | 
						|
            PARTITION_CONFIGS+=("ext4|remaining|rootfs")
 | 
						|
            PARTITION_CONFIGS+=("swap|2048|")
 | 
						|
            ;;
 | 
						|
        9)  # Linux with /home
 | 
						|
            local root_size=$((DISK_SIZE_MB / 4))
 | 
						|
            if [ "$root_size" -lt 5120 ]; then
 | 
						|
                root_size=5120  # Minimum 5GB for root
 | 
						|
            fi
 | 
						|
            if [ "$root_size" -gt $((DISK_SIZE_MB - 1024)) ]; then
 | 
						|
                root_size=$((DISK_SIZE_MB / 2))  # If not enough space, use half
 | 
						|
            fi
 | 
						|
            PARTITION_CONFIGS+=("vfat|260|EFI")
 | 
						|
            PARTITION_CONFIGS+=("ext4|${root_size}|rootfs")
 | 
						|
            PARTITION_CONFIGS+=("ext4|remaining|home")
 | 
						|
            ;;
 | 
						|
        10) # Classic Linux
 | 
						|
            PARTITION_CONFIGS+=("ext4|500|boot")
 | 
						|
            PARTITION_CONFIGS+=("ext4|remaining|rootfs")
 | 
						|
            PARTITION_CONFIGS+=("swap|2048|")
 | 
						|
            ;;
 | 
						|
        11) # Minimal Linux
 | 
						|
            PARTITION_CONFIGS+=("ext4|remaining|rootfs")
 | 
						|
            ;;
 | 
						|
        12) # Modern macOS
 | 
						|
            PARTITION_CONFIGS+=("vfat|200|EFI")
 | 
						|
            PARTITION_CONFIGS+=("apfs|remaining|MacintoshHD")
 | 
						|
            ;;
 | 
						|
        13) # Legacy macOS
 | 
						|
            PARTITION_CONFIGS+=("hfsplus|remaining|MacintoshHD")
 | 
						|
            ;;
 | 
						|
    esac
 | 
						|
}
 | 
						|
 | 
						|
# Get partition scheme
 | 
						|
get_partition_scheme() {
 | 
						|
    echo ""
 | 
						|
    echo "Partition Scheme:"
 | 
						|
    echo "  1) GPT (GUID Partition Table) - Modern, Windows 10/11 default"
 | 
						|
    echo "  2) MBR (Master Boot Record) - Legacy, compatible with older systems"
 | 
						|
    echo ""
 | 
						|
    print_tip "GPT is recommended for modern systems and disks >2TB"
 | 
						|
    echo ""
 | 
						|
    read -p "Select partition scheme [1-2]: " PARTITION_CHOICE_SCHEME
 | 
						|
    
 | 
						|
    case $PARTITION_CHOICE_SCHEME in
 | 
						|
        1) PARTITION_SCHEME="gpt" ;;
 | 
						|
        2) 
 | 
						|
            PARTITION_SCHEME="msdos"
 | 
						|
            if [ "$DISK_SIZE_MB" -gt 2097152 ]; then
 | 
						|
                print_error "MBR does not support disks larger than 2TB"
 | 
						|
                print_info "Please select GPT or reduce disk size"
 | 
						|
                get_partition_scheme
 | 
						|
                return
 | 
						|
            fi
 | 
						|
            ;;
 | 
						|
        *)
 | 
						|
            print_error "Invalid choice"
 | 
						|
            get_partition_scheme
 | 
						|
            return
 | 
						|
            ;;
 | 
						|
    esac
 | 
						|
    
 | 
						|
    print_info "Selected partition scheme: $PARTITION_SCHEME"
 | 
						|
}
 | 
						|
 | 
						|
# Get number of partitions
 | 
						|
get_partition_count() {
 | 
						|
    echo ""
 | 
						|
    read -p "How many partitions? (1-4): " PARTITION_COUNT
 | 
						|
    
 | 
						|
    if ! [[ "$PARTITION_COUNT" =~ ^[1-4]$ ]]; then
 | 
						|
        print_error "Invalid number. Must be between 1 and 4"
 | 
						|
        get_partition_count
 | 
						|
        return
 | 
						|
    fi
 | 
						|
    
 | 
						|
    if [ "$PARTITION_COUNT" -gt 1 ]; then
 | 
						|
        print_note "The last partition will automatically use all remaining space"
 | 
						|
    fi
 | 
						|
    
 | 
						|
    print_info "Creating $PARTITION_COUNT partition(s)"
 | 
						|
}
 | 
						|
 | 
						|
# Get partition configurations
 | 
						|
get_partition_configs() {
 | 
						|
    PARTITION_CONFIGS=()
 | 
						|
    local total_allocated=0
 | 
						|
    local available_space=$((DISK_SIZE_MB - 2))  # Reserve 2MB for partition table
 | 
						|
    
 | 
						|
    for i in $(seq 1 $PARTITION_COUNT); do
 | 
						|
        echo ""
 | 
						|
        echo "=========================================="
 | 
						|
        echo "  Partition $i Configuration"
 | 
						|
        echo "=========================================="
 | 
						|
        
 | 
						|
        if [ $i -gt 1 ]; then
 | 
						|
            print_info "Available space: ${available_space}MB"
 | 
						|
        fi
 | 
						|
        
 | 
						|
        # Get filesystem
 | 
						|
        echo ""
 | 
						|
        echo "Filesystem Type:"
 | 
						|
        echo "  1)  FAT12   (Very small, <16MB, legacy)"
 | 
						|
        echo "  2)  FAT16   (Small, 16MB-2GB, legacy)"
 | 
						|
        echo "  3)  FAT32   (Universal, 32MB+, good compatibility)"
 | 
						|
        echo "  4)  exFAT   (Modern, large files, cross-platform)"
 | 
						|
        echo "  5)  NTFS    (Windows default, journaling)"
 | 
						|
        echo "  6)  ext2    (Linux legacy, no journaling)"
 | 
						|
        echo "  7)  ext3    (Linux, journaling)"
 | 
						|
        echo "  8)  ext4    (Linux default, modern)"
 | 
						|
        echo "  9)  XFS     (High-performance Linux)"
 | 
						|
        echo "  10) HFS+    (macOS legacy)"
 | 
						|
        echo "  11) APFS    (macOS modern - limited Linux support)"
 | 
						|
        echo "  12) swap    (Linux swap space)"
 | 
						|
        echo "  13) unallocated (Empty space - for forensic practice)"
 | 
						|
        echo ""
 | 
						|
        read -p "Select filesystem for partition $i [1-13]: " FS_CHOICE
 | 
						|
        
 | 
						|
        case $FS_CHOICE in
 | 
						|
            1) 
 | 
						|
                PART_FS="fat12"
 | 
						|
                if ! command -v mkfs.fat >/dev/null 2>&1; then
 | 
						|
                    print_error "mkfs.fat not found. Install: sudo apt-get install dosfstools"
 | 
						|
                    get_partition_configs
 | 
						|
                    return
 | 
						|
                fi
 | 
						|
                print_note "FAT12 is limited to <16MB partitions"
 | 
						|
                ;;
 | 
						|
            2) 
 | 
						|
                PART_FS="fat16"
 | 
						|
                if ! command -v mkfs.fat >/dev/null 2>&1; then
 | 
						|
                    print_error "mkfs.fat not found. Install: sudo apt-get install dosfstools"
 | 
						|
                    get_partition_configs
 | 
						|
                    return
 | 
						|
                fi
 | 
						|
                print_note "FAT16 is limited to 16MB-2GB partitions"
 | 
						|
                ;;
 | 
						|
            3) 
 | 
						|
                PART_FS="vfat"
 | 
						|
                if ! command -v mkfs.vfat >/dev/null 2>&1; then
 | 
						|
                    print_error "mkfs.vfat not found. Install: sudo apt-get install dosfstools"
 | 
						|
                    get_partition_configs
 | 
						|
                    return
 | 
						|
                fi
 | 
						|
                ;;
 | 
						|
            4) 
 | 
						|
                PART_FS="exfat"
 | 
						|
                if ! command -v mkfs.exfat >/dev/null 2>&1; then
 | 
						|
                    print_error "mkfs.exfat not found. Install: sudo apt-get install exfatprogs"
 | 
						|
                    get_partition_configs
 | 
						|
                    return
 | 
						|
                fi
 | 
						|
                ;;
 | 
						|
            5) 
 | 
						|
                PART_FS="ntfs"
 | 
						|
                if ! command -v mkfs.ntfs >/dev/null 2>&1; then
 | 
						|
                    print_error "mkfs.ntfs not found. Install: sudo apt-get install ntfs-3g"
 | 
						|
                    get_partition_configs
 | 
						|
                    return
 | 
						|
                fi
 | 
						|
                ;;
 | 
						|
            6) 
 | 
						|
                PART_FS="ext2"
 | 
						|
                if ! command -v mkfs.ext2 >/dev/null 2>&1; then
 | 
						|
                    print_error "mkfs.ext2 not found. Install: sudo apt-get install e2fsprogs"
 | 
						|
                    get_partition_configs
 | 
						|
                    return
 | 
						|
                fi
 | 
						|
                print_note "ext2 has no journaling - faster but less crash-resistant"
 | 
						|
                ;;
 | 
						|
            7) 
 | 
						|
                PART_FS="ext3"
 | 
						|
                if ! command -v mkfs.ext3 >/dev/null 2>&1; then
 | 
						|
                    print_error "mkfs.ext3 not found. Install: sudo apt-get install e2fsprogs"
 | 
						|
                    get_partition_configs
 | 
						|
                    return
 | 
						|
                fi
 | 
						|
                ;;
 | 
						|
            8) 
 | 
						|
                PART_FS="ext4"
 | 
						|
                if ! command -v mkfs.ext4 >/dev/null 2>&1; then
 | 
						|
                    print_error "mkfs.ext4 not found. Install: sudo apt-get install e2fsprogs"
 | 
						|
                    get_partition_configs
 | 
						|
                    return
 | 
						|
                fi
 | 
						|
                ;;
 | 
						|
            9) 
 | 
						|
                PART_FS="xfs"
 | 
						|
                if ! command -v mkfs.xfs >/dev/null 2>&1; then
 | 
						|
                    print_error "mkfs.xfs not found. Install: sudo apt-get install xfsprogs"
 | 
						|
                    get_partition_configs
 | 
						|
                    return
 | 
						|
                fi
 | 
						|
                print_note "XFS requires at least 16MB"
 | 
						|
                ;;
 | 
						|
            10)
 | 
						|
                PART_FS="hfsplus"
 | 
						|
                if ! command -v mkfs.hfsplus >/dev/null 2>&1; then
 | 
						|
                    print_error "mkfs.hfsplus not found. Install: sudo apt-get install hfsprogs"
 | 
						|
                    get_partition_configs
 | 
						|
                    return
 | 
						|
                fi
 | 
						|
                print_warning "HFS+ support on Linux is limited"
 | 
						|
                ;;
 | 
						|
            11)
 | 
						|
                PART_FS="apfs"
 | 
						|
                print_warning "APFS has very limited Linux support and may not work properly"
 | 
						|
                read -p "Continue anyway? (y/n): " continue
 | 
						|
                if [ "$continue" != "y" ]; then
 | 
						|
                    get_partition_configs
 | 
						|
                    return
 | 
						|
                fi
 | 
						|
                ;;
 | 
						|
            12)
 | 
						|
                PART_FS="swap"
 | 
						|
                if ! command -v mkswap >/dev/null 2>&1; then
 | 
						|
                    print_error "mkswap not found. Install: sudo apt-get install util-linux"
 | 
						|
                    get_partition_configs
 | 
						|
                    return
 | 
						|
                fi
 | 
						|
                ;;
 | 
						|
            13)
 | 
						|
                PART_FS="unallocated"
 | 
						|
                print_note "Unallocated space - useful for practicing partition recovery"
 | 
						|
                ;;
 | 
						|
            *)
 | 
						|
                print_error "Invalid choice"
 | 
						|
                get_partition_configs
 | 
						|
                return
 | 
						|
                ;;
 | 
						|
        esac
 | 
						|
        
 | 
						|
        # Get size
 | 
						|
        if [ $i -lt $PARTITION_COUNT ]; then
 | 
						|
            while true; do
 | 
						|
                if [ $i -eq $((PARTITION_COUNT - 1)) ]; then
 | 
						|
                    # Second to last partition - show what will be left
 | 
						|
                    print_tip "Press Enter to use remaining space (${available_space}MB) or specify size"
 | 
						|
                    read -p "Size for partition $i in MB (default: remaining): " PART_SIZE
 | 
						|
                else
 | 
						|
                    read -p "Size for partition $i in MB: " PART_SIZE
 | 
						|
                fi
 | 
						|
                
 | 
						|
                # Handle default to remaining space
 | 
						|
                if [ -z "$PART_SIZE" ] && [ $i -eq $((PARTITION_COUNT - 1)) ]; then
 | 
						|
                    PART_SIZE="remaining"
 | 
						|
                    print_info "Partition $i will use remaining space (~${available_space}MB)"
 | 
						|
                    
 | 
						|
                    # Validate remaining space for filesystem
 | 
						|
                    if ! validate_fs_size "$PART_FS" "$available_space"; then
 | 
						|
                        print_error "Remaining space (${available_space}MB) is not suitable for $PART_FS"
 | 
						|
                        continue
 | 
						|
                    fi
 | 
						|
                    break
 | 
						|
                fi
 | 
						|
                
 | 
						|
                if ! [[ "$PART_SIZE" =~ ^[0-9]+$ ]] || [ "$PART_SIZE" -lt 1 ]; then
 | 
						|
                    print_error "Invalid size. Enter a number or press Enter for remaining space"
 | 
						|
                    continue
 | 
						|
                fi
 | 
						|
                
 | 
						|
                # Validate size for filesystem
 | 
						|
                if ! validate_fs_size "$PART_FS" "$PART_SIZE"; then
 | 
						|
                    continue
 | 
						|
                fi
 | 
						|
                
 | 
						|
                # Check if size exceeds available space
 | 
						|
                if [ "$PART_SIZE" -ge "$available_space" ]; then
 | 
						|
                    print_error "Not enough space. Available: ${available_space}MB"
 | 
						|
                    continue
 | 
						|
                fi
 | 
						|
                
 | 
						|
                # Leave at least 10MB for the last partition
 | 
						|
                if [ $i -eq $((PARTITION_COUNT - 1)) ]; then
 | 
						|
                    remaining=$((available_space - PART_SIZE))
 | 
						|
                    if [ "$remaining" -lt 10 ]; then
 | 
						|
                        print_error "Not enough space left for last partition (need at least 10MB)"
 | 
						|
                        print_tip "Press Enter to use remaining ${available_space}MB instead"
 | 
						|
                        continue
 | 
						|
                    fi
 | 
						|
                fi
 | 
						|
                
 | 
						|
                break
 | 
						|
            done
 | 
						|
            
 | 
						|
            if [ "$PART_SIZE" != "remaining" ]; then
 | 
						|
                total_allocated=$((total_allocated + PART_SIZE))
 | 
						|
                available_space=$((available_space - PART_SIZE))
 | 
						|
            fi
 | 
						|
        else
 | 
						|
            PART_SIZE="remaining"
 | 
						|
            print_info "Partition $i will use remaining space (~${available_space}MB)"
 | 
						|
            
 | 
						|
            # Validate remaining space for filesystem
 | 
						|
            if ! validate_fs_size "$PART_FS" "$available_space"; then
 | 
						|
                print_error "Remaining space (${available_space}MB) is not suitable for $PART_FS"
 | 
						|
                get_partition_configs
 | 
						|
                return
 | 
						|
            fi
 | 
						|
        fi
 | 
						|
        
 | 
						|
        # Get label (skip for swap and unallocated)
 | 
						|
        if [ "$PART_FS" != "swap" ] && [ "$PART_FS" != "unallocated" ]; then
 | 
						|
            while true; do
 | 
						|
                read -p "Volume label for partition $i (default: PART$i): " PART_LABEL
 | 
						|
                PART_LABEL=${PART_LABEL:-PART$i}
 | 
						|
                
 | 
						|
                # Validate label
 | 
						|
                validated_label=$(validate_label "$PART_FS" "$PART_LABEL")
 | 
						|
                if [ $? -eq 0 ]; then
 | 
						|
                    PART_LABEL="$validated_label"
 | 
						|
                    break
 | 
						|
                fi
 | 
						|
            done
 | 
						|
        else
 | 
						|
            PART_LABEL=""
 | 
						|
        fi
 | 
						|
        
 | 
						|
        PARTITION_CONFIGS+=("$PART_FS|$PART_SIZE|$PART_LABEL")
 | 
						|
        
 | 
						|
        if [ "$PART_FS" = "swap" ]; then
 | 
						|
            print_info "Partition $i: $PART_FS, ${PART_SIZE}MB"
 | 
						|
        elif [ "$PART_FS" = "unallocated" ]; then
 | 
						|
            print_info "Partition $i: $PART_FS, ${PART_SIZE}MB (no filesystem)"
 | 
						|
        else
 | 
						|
            print_info "Partition $i: $PART_FS, ${PART_SIZE}MB, label='$PART_LABEL'"
 | 
						|
        fi
 | 
						|
    done
 | 
						|
    
 | 
						|
    # Final sanity check
 | 
						|
    if [ "$total_allocated" -gt "$((DISK_SIZE_MB - 10))" ]; then
 | 
						|
        print_warning "Partitions use almost all disk space. This may cause issues."
 | 
						|
    fi
 | 
						|
}
 | 
						|
 | 
						|
# Create the disk image
 | 
						|
create_disk_image() {
 | 
						|
    print_info "Creating disk image file: $FILENAME (${DISK_SIZE_MB} MB) using $INIT_METHOD..."
 | 
						|
    
 | 
						|
    case $INIT_METHOD in
 | 
						|
        fallocate)
 | 
						|
            if command -v fallocate >/dev/null 2>&1; then
 | 
						|
                fallocate -l ${DISK_SIZE_MB}M "$FILENAME"
 | 
						|
            else
 | 
						|
                print_warning "fallocate not available, falling back to /dev/zero"
 | 
						|
                dd if=/dev/zero of="$FILENAME" bs=1M count=$DISK_SIZE_MB status=progress 2>&1 | grep -v "records"
 | 
						|
            fi
 | 
						|
            ;;
 | 
						|
        zero)
 | 
						|
            dd if=/dev/zero of="$FILENAME" bs=1M count=$DISK_SIZE_MB status=progress 2>&1 | grep -v "records"
 | 
						|
            ;;
 | 
						|
        random)
 | 
						|
            print_warning "Using /dev/urandom - this will be SLOW!"
 | 
						|
            dd if=/dev/urandom of="$FILENAME" bs=1M count=$DISK_SIZE_MB status=progress 2>&1 | grep -v "records"
 | 
						|
            ;;
 | 
						|
    esac
 | 
						|
    
 | 
						|
    print_success "Disk image created with $INIT_METHOD"
 | 
						|
}
 | 
						|
 | 
						|
# Setup loop device
 | 
						|
setup_loop_device() {
 | 
						|
    print_info "Setting up loop device..."
 | 
						|
    LOOP_DEVICE=$(losetup -f)
 | 
						|
    
 | 
						|
    if [ -z "$LOOP_DEVICE" ]; then
 | 
						|
        print_error "No free loop devices available"
 | 
						|
        print_info "Try: sudo modprobe loop max_loop=16"
 | 
						|
        exit 1
 | 
						|
    fi
 | 
						|
    
 | 
						|
    losetup "$LOOP_DEVICE" "$FILENAME"
 | 
						|
    print_success "Loop device created: $LOOP_DEVICE"
 | 
						|
}
 | 
						|
 | 
						|
# Create partition table and partitions
 | 
						|
create_partitions() {
 | 
						|
    print_info "Creating $PARTITION_SCHEME partition table..."
 | 
						|
    
 | 
						|
    parted -s "$LOOP_DEVICE" mklabel "$PARTITION_SCHEME"
 | 
						|
    
 | 
						|
    local start_mb=1
 | 
						|
    local part_num=1
 | 
						|
    
 | 
						|
    for config in "${PARTITION_CONFIGS[@]}"; do
 | 
						|
        IFS='|' read -r fs size label <<< "$config"
 | 
						|
        
 | 
						|
        if [ "$size" = "remaining" ]; then
 | 
						|
            end="100%"
 | 
						|
        else
 | 
						|
            end=$(echo "$start_mb + $size" | bc)
 | 
						|
            end="${end}MiB"
 | 
						|
        fi
 | 
						|
        
 | 
						|
        print_info "Creating partition $part_num: ${start_mb}MiB -> $end"
 | 
						|
        
 | 
						|
        # Set partition type based on filesystem
 | 
						|
        case $fs in
 | 
						|
            swap)
 | 
						|
                parted -s "$LOOP_DEVICE" mkpart primary linux-swap "${start_mb}MiB" "$end"
 | 
						|
                ;;
 | 
						|
            fat12|fat16|vfat)
 | 
						|
                parted -s "$LOOP_DEVICE" mkpart primary fat32 "${start_mb}MiB" "$end"
 | 
						|
                ;;
 | 
						|
            ntfs)
 | 
						|
                parted -s "$LOOP_DEVICE" mkpart primary ntfs "${start_mb}MiB" "$end"
 | 
						|
                ;;
 | 
						|
            ext2|ext3|ext4)
 | 
						|
                parted -s "$LOOP_DEVICE" mkpart primary ext4 "${start_mb}MiB" "$end"
 | 
						|
                ;;
 | 
						|
            xfs)
 | 
						|
                parted -s "$LOOP_DEVICE" mkpart primary xfs "${start_mb}MiB" "$end"
 | 
						|
                ;;
 | 
						|
            hfsplus)
 | 
						|
                parted -s "$LOOP_DEVICE" mkpart primary hfs+ "${start_mb}MiB" "$end"
 | 
						|
                ;;
 | 
						|
            unallocated)
 | 
						|
                # Don't create a partition for unallocated space - just leave it empty
 | 
						|
                print_info "Leaving space unallocated (no partition entry)"
 | 
						|
                ;;
 | 
						|
            *)
 | 
						|
                parted -s "$LOOP_DEVICE" mkpart primary "${start_mb}MiB" "$end"
 | 
						|
                ;;
 | 
						|
        esac
 | 
						|
        
 | 
						|
        if [ "$size" != "remaining" ]; then
 | 
						|
            start_mb=$(echo "$start_mb + $size" | bc)
 | 
						|
        fi
 | 
						|
        
 | 
						|
        part_num=$((part_num + 1))
 | 
						|
    done
 | 
						|
    
 | 
						|
    # Inform kernel about partition table changes
 | 
						|
    partprobe "$LOOP_DEVICE" 2>/dev/null || true
 | 
						|
    sleep 2
 | 
						|
    
 | 
						|
    print_success "Partitions created"
 | 
						|
}
 | 
						|
 | 
						|
# Format the partitions
 | 
						|
format_partitions() {
 | 
						|
    local part_num=1
 | 
						|
    
 | 
						|
    for config in "${PARTITION_CONFIGS[@]}"; do
 | 
						|
        IFS='|' read -r fs size label <<< "$config"
 | 
						|
        
 | 
						|
        # Skip unallocated space - no partition to format
 | 
						|
        if [ "$fs" = "unallocated" ]; then
 | 
						|
            print_info "Skipping unallocated space (no partition to format)"
 | 
						|
            continue
 | 
						|
        fi
 | 
						|
        
 | 
						|
        # Determine partition device name
 | 
						|
        PARTITION="${LOOP_DEVICE}p${part_num}"
 | 
						|
        if [ ! -e "$PARTITION" ]; then
 | 
						|
            PARTITION="${LOOP_DEVICE}${part_num}"
 | 
						|
        fi
 | 
						|
        
 | 
						|
        if [ ! -e "$PARTITION" ]; then
 | 
						|
            print_error "Cannot find partition device for partition $part_num"
 | 
						|
            print_info "Expected: ${LOOP_DEVICE}p${part_num} or ${LOOP_DEVICE}${part_num}"
 | 
						|
            cleanup
 | 
						|
            exit 1
 | 
						|
        fi
 | 
						|
        
 | 
						|
        print_info "Formatting partition $part_num ($PARTITION) with $fs filesystem..."
 | 
						|
        
 | 
						|
        case $fs in
 | 
						|
            fat12)
 | 
						|
                # FAT12 requires specific cluster size
 | 
						|
                mkfs.fat -F 12 -n "$label" "$PARTITION" 2>&1 | grep -v "^mkfs.fat"
 | 
						|
                ;;
 | 
						|
            fat16)
 | 
						|
                # FAT16
 | 
						|
                mkfs.fat -F 16 -n "$label" "$PARTITION" 2>&1 | grep -v "^mkfs.fat"
 | 
						|
                ;;
 | 
						|
            vfat)
 | 
						|
                # FAT32
 | 
						|
                mkfs.vfat -F 32 -n "$label" "$PARTITION" 2>&1 | grep -v "^mkfs.fat"
 | 
						|
                ;;
 | 
						|
            ntfs)
 | 
						|
                mkfs.ntfs -f -L "$label" "$PARTITION" 2>&1 | grep -E "^(Cluster|Creating|mkntfs completed)"
 | 
						|
                ;;
 | 
						|
            exfat)
 | 
						|
                mkfs.exfat -n "$label" "$PARTITION" 2>&1 | grep -v "^exfatprogs"
 | 
						|
                ;;
 | 
						|
            ext2|ext3|ext4)
 | 
						|
                mkfs."$fs" -L "$label" "$PARTITION" 2>&1 | grep -E "^(Creating|Writing|mke2fs)"
 | 
						|
                ;;
 | 
						|
            xfs)
 | 
						|
                mkfs.xfs -f -L "$label" "$PARTITION" 2>&1 | grep -v "^meta-data"
 | 
						|
                ;;
 | 
						|
            hfsplus)
 | 
						|
                mkfs.hfsplus -v "$label" "$PARTITION" 2>&1
 | 
						|
                ;;
 | 
						|
            apfs)
 | 
						|
                print_warning "APFS formatting on Linux is not well supported"
 | 
						|
                print_info "Skipping format for APFS partition"
 | 
						|
                ;;
 | 
						|
            swap)
 | 
						|
                mkswap -L "SWAP$part_num" "$PARTITION" 2>&1 | grep "^Setting up"
 | 
						|
                ;;
 | 
						|
        esac
 | 
						|
        
 | 
						|
        print_success "Partition $part_num formatted"
 | 
						|
        part_num=$((part_num + 1))
 | 
						|
    done
 | 
						|
}
 | 
						|
 | 
						|
# Cleanup function
 | 
						|
cleanup() {
 | 
						|
    if [ -n "$LOOP_DEVICE" ]; then
 | 
						|
        print_info "Cleaning up loop device..."
 | 
						|
        losetup -d "$LOOP_DEVICE" 2>/dev/null || true
 | 
						|
    fi
 | 
						|
}
 | 
						|
 | 
						|
# Mount filesystems
 | 
						|
mount_filesystems() {
 | 
						|
    echo ""
 | 
						|
    read -p "Do you want to mount the filesystem(s) now? (y/n): " MOUNT_NOW
 | 
						|
    
 | 
						|
    if [ "$MOUNT_NOW" = "y" ]; then
 | 
						|
        local part_num=1
 | 
						|
        MOUNT_POINTS=()
 | 
						|
        
 | 
						|
        for config in "${PARTITION_CONFIGS[@]}"; do
 | 
						|
            IFS='|' read -r fs size label <<< "$config"
 | 
						|
            
 | 
						|
            # Skip swap, apfs, and unallocated filesystems
 | 
						|
            if [ "$fs" = "swap" ] || [ "$fs" = "apfs" ] || [ "$fs" = "unallocated" ]; then
 | 
						|
                print_info "Skipping mount for $fs partition $part_num"
 | 
						|
                part_num=$((part_num + 1))
 | 
						|
                continue
 | 
						|
            fi
 | 
						|
            
 | 
						|
            PARTITION="${LOOP_DEVICE}p${part_num}"
 | 
						|
            if [ ! -e "$PARTITION" ]; then
 | 
						|
                PARTITION="${LOOP_DEVICE}${part_num}"
 | 
						|
            fi
 | 
						|
            
 | 
						|
            MOUNT_POINT="/mnt/forensic_p${part_num}_$$"
 | 
						|
            mkdir -p "$MOUNT_POINT"
 | 
						|
            
 | 
						|
            print_info "Mounting partition $part_num to $MOUNT_POINT..."
 | 
						|
            
 | 
						|
            # Use appropriate mount options
 | 
						|
            case $fs in
 | 
						|
                ntfs)
 | 
						|
                    mount -t ntfs-3g "$PARTITION" "$MOUNT_POINT" 2>&1 || \
 | 
						|
                    mount "$PARTITION" "$MOUNT_POINT" 2>&1
 | 
						|
                    ;;
 | 
						|
                hfsplus)
 | 
						|
                    mount -t hfsplus "$PARTITION" "$MOUNT_POINT" 2>&1
 | 
						|
                    ;;
 | 
						|
                *)
 | 
						|
                    mount "$PARTITION" "$MOUNT_POINT" 2>&1
 | 
						|
                    ;;
 | 
						|
            esac
 | 
						|
            
 | 
						|
            if [ $? -eq 0 ]; then
 | 
						|
                print_success "Partition $part_num mounted at: $MOUNT_POINT"
 | 
						|
                MOUNT_POINTS+=("$MOUNT_POINT")
 | 
						|
            else
 | 
						|
                print_warning "Failed to mount partition $part_num"
 | 
						|
                rmdir "$MOUNT_POINT" 2>/dev/null
 | 
						|
            fi
 | 
						|
            
 | 
						|
            part_num=$((part_num + 1))
 | 
						|
        done
 | 
						|
    fi
 | 
						|
}
 | 
						|
 | 
						|
# Display summary
 | 
						|
show_summary() {
 | 
						|
    echo ""
 | 
						|
    echo "=========================================="
 | 
						|
    echo "  Disk Image Creation Complete!"
 | 
						|
    echo "=========================================="
 | 
						|
    echo ""
 | 
						|
    echo "Image File:        $(realpath $FILENAME)"
 | 
						|
    echo "Size:              ${DISK_SIZE_MB} MB ($(echo "scale=2; $DISK_SIZE_MB/1024" | bc) GB)"
 | 
						|
    echo "Init Method:       $INIT_METHOD"
 | 
						|
    echo "Partition Scheme:  $PARTITION_SCHEME"
 | 
						|
    echo "Loop Device:       $LOOP_DEVICE"
 | 
						|
    echo ""
 | 
						|
    echo "Partitions:"
 | 
						|
    
 | 
						|
    local part_num=1
 | 
						|
    local config_num=1
 | 
						|
    for config in "${PARTITION_CONFIGS[@]}"; do
 | 
						|
        IFS='|' read -r fs size label <<< "$config"
 | 
						|
        
 | 
						|
        if [ "$fs" = "unallocated" ]; then
 | 
						|
            echo "  [$config_num] unallocated space (${size}MB) - not partitioned"
 | 
						|
        else
 | 
						|
            PARTITION="${LOOP_DEVICE}p${part_num}"
 | 
						|
            if [ ! -e "$PARTITION" ]; then
 | 
						|
                PARTITION="${LOOP_DEVICE}${part_num}"
 | 
						|
            fi
 | 
						|
            
 | 
						|
            if [ "$fs" = "swap" ]; then
 | 
						|
                echo "  [$config_num] $PARTITION - $fs (${size}MB)"
 | 
						|
            else
 | 
						|
                echo "  [$config_num] $PARTITION - $fs (${size}MB) - '$label'"
 | 
						|
            fi
 | 
						|
            part_num=$((part_num + 1))
 | 
						|
        fi
 | 
						|
        
 | 
						|
        config_num=$((config_num + 1))
 | 
						|
    done
 | 
						|
    
 | 
						|
    if [ ${#MOUNT_POINTS[@]} -gt 0 ]; then
 | 
						|
        echo ""
 | 
						|
        echo "Mount Points:"
 | 
						|
        for mp in "${MOUNT_POINTS[@]}"; do
 | 
						|
            echo "  $mp"
 | 
						|
        done
 | 
						|
    fi
 | 
						|
    
 | 
						|
    echo ""
 | 
						|
    echo "=========================================="
 | 
						|
    echo "  Forensic Analysis Commands"
 | 
						|
    echo "=========================================="
 | 
						|
    echo ""
 | 
						|
    echo "View partition table:"
 | 
						|
    echo "  sudo parted $FILENAME print"
 | 
						|
    echo "  sudo fdisk -l $FILENAME"
 | 
						|
    echo ""
 | 
						|
    echo "Hex editor analysis:"
 | 
						|
    echo "  hexdump -C $FILENAME | less"
 | 
						|
    echo "  xxd $FILENAME | less"
 | 
						|
    echo ""
 | 
						|
    echo "Analyze with forensic tools:"
 | 
						|
    echo "  mmls $FILENAME                    # View partitions"
 | 
						|
    echo "  fsstat -o 2048 $FILENAME          # Filesystem details"
 | 
						|
    echo "  fls -o 2048 -r $FILENAME          # List files"
 | 
						|
    echo ""
 | 
						|
    echo "View specific structures:"
 | 
						|
    echo "  xxd -l 512 $FILENAME              # Boot sector"
 | 
						|
    echo "  xxd -s 0x1BE -l 64 $FILENAME      # MBR partition table"
 | 
						|
    echo ""
 | 
						|
    echo "Clean up (when done):"
 | 
						|
    if [ ${#MOUNT_POINTS[@]} -gt 0 ]; then
 | 
						|
        for mp in "${MOUNT_POINTS[@]}"; do
 | 
						|
            echo "  sudo umount $mp"
 | 
						|
        done
 | 
						|
    fi
 | 
						|
    echo "  sudo losetup -d $LOOP_DEVICE"
 | 
						|
    echo ""
 | 
						|
    
 | 
						|
    print_tip "Remember to unmount filesystems and detach loop device when finished!"
 | 
						|
}
 | 
						|
 | 
						|
# Trap to ensure cleanup on exit
 | 
						|
trap cleanup EXIT
 | 
						|
 | 
						|
# Main execution
 | 
						|
main() {
 | 
						|
    show_banner
 | 
						|
    check_root
 | 
						|
    check_dependencies
 | 
						|
    check_filesystem_tools
 | 
						|
    
 | 
						|
    get_filename
 | 
						|
    get_disk_size
 | 
						|
    get_init_method
 | 
						|
    get_preset_or_custom
 | 
						|
    
 | 
						|
    if [ "$USE_PRESET" = true ]; then
 | 
						|
        apply_preset
 | 
						|
        
 | 
						|
        if [ "$ALLOW_PRESET_CUSTOMIZATION" = true ]; then
 | 
						|
            # Show current config and allow modifications
 | 
						|
            echo ""
 | 
						|
            echo "Current preset configuration:"
 | 
						|
            for i in $(seq 1 ${#PARTITION_CONFIGS[@]}); do
 | 
						|
                config="${PARTITION_CONFIGS[$((i-1))]}"
 | 
						|
                IFS='|' read -r fs size label <<< "$config"
 | 
						|
                if [ "$fs" = "swap" ]; then
 | 
						|
                    echo "  [$i] $fs (${size}MB)"
 | 
						|
                else
 | 
						|
                    echo "  [$i] $fs (${size}MB) - '$label'"
 | 
						|
                fi
 | 
						|
            done
 | 
						|
            echo ""
 | 
						|
            read -p "Modify partition configurations? (y/n): " modify
 | 
						|
            if [ "$modify" = "y" ]; then
 | 
						|
                get_partition_configs
 | 
						|
            fi
 | 
						|
        fi
 | 
						|
    else
 | 
						|
        # Custom layout
 | 
						|
        get_partition_scheme
 | 
						|
        get_partition_count
 | 
						|
        get_partition_configs
 | 
						|
    fi
 | 
						|
    
 | 
						|
    # Show final summary and confirm
 | 
						|
    echo ""
 | 
						|
    echo "=========================================="
 | 
						|
    echo "  Configuration Summary"
 | 
						|
    echo "=========================================="
 | 
						|
    echo "Filename:          $FILENAME"
 | 
						|
    echo "Size:              ${DISK_SIZE_MB} MB ($(echo "scale=2; $DISK_SIZE_MB/1024" | bc) GB)"
 | 
						|
    echo "Init Method:       $INIT_METHOD"
 | 
						|
    echo "Partition Scheme:  $PARTITION_SCHEME"
 | 
						|
    echo "Partitions:        ${#PARTITION_CONFIGS[@]}"
 | 
						|
    
 | 
						|
    for i in $(seq 1 ${#PARTITION_CONFIGS[@]}); do
 | 
						|
        config="${PARTITION_CONFIGS[$((i-1))]}"
 | 
						|
        IFS='|' read -r fs size label <<< "$config"
 | 
						|
        if [ "$fs" = "swap" ]; then
 | 
						|
            echo "  [$i] $fs (${size}MB)"
 | 
						|
        elif [ "$fs" = "unallocated" ]; then
 | 
						|
            echo "  [$i] $fs (${size}MB) - no partition"
 | 
						|
        else
 | 
						|
            echo "  [$i] $fs (${size}MB) - '$label'"
 | 
						|
        fi
 | 
						|
    done
 | 
						|
    
 | 
						|
    echo ""
 | 
						|
    read -p "Proceed with creation? (y/n): " CONFIRM
 | 
						|
    
 | 
						|
    if [ "$CONFIRM" != "y" ]; then
 | 
						|
        print_info "Operation cancelled"
 | 
						|
        exit 0
 | 
						|
    fi
 | 
						|
    
 | 
						|
    echo ""
 | 
						|
    create_disk_image
 | 
						|
    setup_loop_device
 | 
						|
    create_partitions
 | 
						|
    format_partitions
 | 
						|
    mount_filesystems
 | 
						|
    
 | 
						|
    show_summary
 | 
						|
}
 | 
						|
 | 
						|
# Run main function
 | 
						|
main |