saul365
159 lines
4.2 KiB
Bash
159 lines
4.2 KiB
Bash
#!/bin/bash
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# Kindle Disk Filler Utility for Linux/macOS
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# Author: iiroak (https://github.com/iiroak)
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# This tool fills the disk to prevent automatic updates on tablets
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# that have not been registered. Useful for jailbreak preparation.
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set -e
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echo ""
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echo " +=============================================================+"
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echo " | Kindle Disk Filler Utility v2.0 |"
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echo " +=============================================================+"
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echo " | Fills disk to prevent auto-updates on unregistered |"
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echo " | tablets. Useful for jailbreak preparation. |"
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echo " +=============================================================+"
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echo ""
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dir="fill_disk"
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mkdir -p "$dir"
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find_next_free_index() {
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local index=0
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while true; do
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if [ ! -f "$dir/file_$index" ]; then
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echo "$index"
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return
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fi
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index=$((index + 1))
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done
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}
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get_free_mb() {
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df -Pm $dir | awk 'NR==2 {print $4}'
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}
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create_file () {
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local size=$1 path=$2
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if command -v fallocate >/dev/null 2>&1; then
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fallocate -l "$size" "$path" && return
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fi
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if command -v mkfile >/dev/null 2>&1; then
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mkfile "$size" "$path" && return
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fi
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dd if=/dev/zero of="$path" bs="$size" count=1 status=none
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}
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render_progress() {
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local percent=$1
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local status=$2
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local detail=$3
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local width=32
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local filled=$(( percent * width / 100 ))
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local empty=$(( width - filled ))
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local bar empty_bar
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bar=$(printf '%*s' "$filled" '' | tr ' ' '=')
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empty_bar=$(printf '%*s' "$empty" '' | tr ' ' '-')
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printf '\r\033[2K [%s%s] %3d%% %s%s' "$bar" "$empty_bar" "$percent" "$status" "$detail"
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}
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echo "How much free space (in MB) do you want to leave on disk?"
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echo "It is highly recommended to leave only 20-50 MB (no more) to prevent updates."
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echo ""
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echo " [1] 20 MB (default)"
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echo " [2] 50 MB"
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echo " [3] 100 MB"
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echo " [4] Custom value"
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echo ""
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read -p " Enter your choice (1-4) [1]: " choice
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case "$choice" in
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2) minFreeMB=50 ;;
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3) minFreeMB=100 ;;
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4)
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read -p " Enter the minimum free space in MB (e.g., 30): " custom
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if [[ "$custom" =~ ^[0-9]+$ ]] && [ "$custom" -gt 0 ]; then
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minFreeMB=$custom
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else
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echo "Invalid input. Using default (20 MB)."
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minFreeMB=20
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fi
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;;
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*) minFreeMB=20 ;;
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esac
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echo ""
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echo "[>] Starting disk fill process..."
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echo ""
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i=$(find_next_free_index)
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totalFreeMB=$(get_free_mb)
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targetFillMB=$((totalFreeMB - minFreeMB))
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if [ "$targetFillMB" -le 0 ]; then
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echo "[!] The requested free space is greater than or equal to the current free space. Nothing to do."
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echo ""
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read -p "Press Enter to exit..." _
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exit 0
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fi
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while true; do
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freeMB=$(get_free_mb)
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fillableMB=$((freeMB - minFreeMB))
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if [ "$fillableMB" -le 0 ]; then
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break
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fi
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if [ "$fillableMB" -ge 1024 ]; then
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fileSize=1G
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elif [ "$fillableMB" -ge 100 ]; then
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fileSize=100M
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elif [ "$fillableMB" -ge 10 ]; then
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fileSize=10M
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else
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fileSize="${fillableMB}M"
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fi
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filePath="$dir/file_$i"
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usedMB=$((totalFreeMB - freeMB))
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percent=$((usedMB * 100 / targetFillMB))
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[ $percent -gt 100 ] && percent=100
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[ $percent -lt 0 ] && percent=0
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render_progress "$percent" "Creating: " "file_$i ($fileSize)"
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create_file "$fileSize" "$filePath"
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if [ ! -f "$filePath" ]; then
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break
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fi
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i=$(find_next_free_index)
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freeMB=$(get_free_mb)
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usedMB=$((totalFreeMB - freeMB))
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percent=$((usedMB * 100 / targetFillMB))
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[ $percent -gt 100 ] && percent=100
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[ $percent -lt 0 ] && percent=0
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remainingLabel="${freeMB} MB"
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[ $freeMB -ge 1024 ] && remainingLabel="$(awk "BEGIN {printf \"%.1f\", $freeMB/1024}") GB"
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render_progress "$percent" "Done: " "file_$((i-1)) | Free: $remainingLabel"
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done
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printf '\n'
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echo " +---------------------------------------------------------+"
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echo " | Disk fill complete! |"
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echo " | Files created: $i"
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echo " | Target directory: $dir"
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echo " +---------------------------------------------------------+"
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echo ""
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read -p "Press Enter to exit..." _
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