vbox_stealth/undo.sh
2025-10-25 09:08:49 -04:00

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3.4 KiB
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#!/bin/bash
# VirtualBox Configuration Undo Script
set -eo pipefail
VM="${1:-}"
# Color output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
CYAN='\033[0;36m'
NC='\033[0m'
log_error() { echo -e "${RED}[ERROR]${NC} $1" >&2; }
log_success() { echo -e "${GREEN}[SUCCESS]${NC} $1"; }
log_info() { echo -e "${YELLOW}[INFO]${NC} $1"; }
log_section() { echo -e "${CYAN}[*]${NC} $1"; }
# Validate inputs
if [ -z "$VM" ]; then
echo "Usage: $0 \"VM Name\""
exit 1
fi
# Check if VBoxManage exists
if ! command -v VBoxManage &> /dev/null; then
log_error "VBoxManage not found. Please install VirtualBox."
exit 1
fi
VBOXMANAGE="VBoxManage"
# Check if VM exists
if ! "$VBOXMANAGE" showvminfo "$VM" &> /dev/null; then
log_error "VM '$VM' not found."
exit 1
fi
# Check VM state
check_vm_state() {
local state
state=$("$VBOXMANAGE" showvminfo "$VM" --machinereadable | grep "^VMState=" | cut -d'"' -f2)
if [ "$state" != "poweroff" ] && [ "$state" != "aborted" ]; then
log_error "VM must be powered off. Current state: $state"
exit 1
fi
}
generate_random_uuid() {
if command -v uuidgen &> /dev/null; then
uuidgen
else
printf '%08x-%04x-%04x-%04x-%012x\n' \
$((RANDOM * RANDOM)) $RANDOM $((RANDOM | 0x4000)) \
$((RANDOM | 0x8000)) $((RANDOM * RANDOM * RANDOM))
fi
}
# Backup current settings
backup_settings() {
local backup_dir="/tmp/vbox_backups"
mkdir -p "$backup_dir"
local backup_file="$backup_dir/vbox_backup_${VM// /_}_$(date +%Y%m%d_%H%M%S).txt"
log_info "Backing up current settings to: $backup_file"
{
echo "=== VM Configuration Backup ==="
echo "Timestamp: $(date)"
echo "VM Name: $VM"
echo ""
echo "=== Hardware UUID ==="
"$VBOXMANAGE" showvminfo "$VM" --machinereadable | grep "^hardwareuuid="
echo ""
echo "=== MAC Addresses ==="
"$VBOXMANAGE" showvminfo "$VM" --machinereadable | grep "^macaddress"
echo ""
echo "=== Paravirtualization ==="
"$VBOXMANAGE" showvminfo "$VM" --machinereadable | grep "^paravirtprovider="
echo ""
echo "=== Graphics Controller ==="
"$VBOXMANAGE" showvminfo "$VM" --machinereadable | grep "^graphicscontroller="
echo ""
echo "=== All Extra Data ==="
"$VBOXMANAGE" getextradata "$VM" enumerate
} > "$backup_file"
log_success "Backup saved to: $backup_file"
}
undo_identifiers() {
log_section "Reverting to VirtualBox Defaults"
check_vm_state
backup_settings
log_info "Removing all custom configuration..."
# Remove all VBoxInternal extradata
"$VBOXMANAGE" getextradata "$VM" enumerate 2>/dev/null | grep "^Key: VBoxInternal" | while read -r line; do
local key=$(echo "$line" | sed 's/^Key: \(.*\), Value:.*/\1/')
if [ -n "$key" ]; then
"$VBOXMANAGE" setextradata "$VM" "$key" "" 2>/dev/null || true
fi
done
# Reset MAC addresses
log_info "Resetting network adapters..."
for i in {1..8}; do
"$VBOXMANAGE" modifyvm "$VM" --macaddress${i} auto 2>/dev/null || true
done
# Reset UUID
log_info "Generating new UUID..."
local new_uuid=$(generate_random_uuid)
"$VBOXMANAGE" modifyvm "$VM" --hardware-uuid "$new_uuid"
# Restore paravirtualization
"$VBOXMANAGE" modifyvm "$VM" --paravirtprovider default 2>/dev/null || true
# Restore graphics
"$VBOXMANAGE" modifyvm "$VM" --graphicscontroller vboxsvga 2>/dev/null || true
# Restore CPU settings
"$VBOXMANAGE" modifyvm "$VM" --cpu-execution-cap 100 2>/dev/null || true
"$VBOXMANAGE" modifyvm "$VM" --hpet on 2>/dev/null || true
log_success "VM reverted to VirtualBox defaults"
}
undo_identifiers