powershell/decode_sonicwall.bat at main · strangeprogram/powershell · GitHub

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@echo off
setlocal enabledelayedexpansion

:: Check if a file was dragged onto the script
if "%~1"=="" (
    echo ERROR: No file specified!
    echo.
    echo Usage: Drag and drop a SonicWall .exp file onto this batch file.
    echo.
    pause
    exit /b 1
)

:: Get the full path and details of the dropped file
set "INPUT_FILE=%~1"
set "FILE_DIR=%~dp1"
set "FILE_NAME=%~n1"
set "FILE_EXT=%~x1"

echo ========================================
echo SonicWall Config Decoder
echo ========================================
echo.
echo Input file: %INPUT_FILE%
echo Directory:  %FILE_DIR%
echo.

:: Check if file exists
if not exist "%INPUT_FILE%" (
    echo ERROR: File does not exist!
    pause
    exit /b 1
)

:: Step 1: Remove trailing ampersands from the .exp file
echo [Step 1/3] Removing trailing ampersands...
set "TEMP_FILE=%FILE_DIR%%FILE_NAME%_temp.exp"

:: Read the file, remove trailing &, and save to temp file
powershell -Command "(Get-Content '%INPUT_FILE%' -Raw) -replace '&+$', '' | Set-Content '%TEMP_FILE%' -NoNewline"

if errorlevel 1 (
    echo ERROR: Failed to process file!
    pause
    exit /b 1
)

echo    Done.
echo.

:: Step 2: Decode the base64 file using certutil
echo [Step 2/3] Decoding base64 content...
set "DECODED_FILE=%FILE_DIR%%FILE_NAME%_decoded.txt"

certutil -decode "%TEMP_FILE%" "%DECODED_FILE%" >nul 2>&1

if errorlevel 1 (
    echo ERROR: Decode command failed!
    echo    Make sure the file is a valid SonicWall .exp backup file.
    del "%TEMP_FILE%" 2>nul
    pause
    exit /b 1
)

echo    Decode command completed successfully.
echo.

:: Step 3: Replace & with newlines to make it readable
echo [Step 3/3] Formatting output (replacing ^& with newlines)...
set "OUTPUT_FILE=%FILE_DIR%%FILE_NAME%_readable.txt"

:: Use PowerShell to replace & with newlines
powershell -Command "(Get-Content '%DECODED_FILE%' -Raw) -replace '&', \"`r`n\" | Set-Content '%OUTPUT_FILE%'"

if errorlevel 1 (
    echo ERROR: Failed to format output!
    del "%TEMP_FILE%" 2>nul
    pause
    exit /b 1
)

echo    Done.
echo.

:: Clean up temporary files
del "%TEMP_FILE%" 2>nul

:: Summary
echo ========================================
echo SUCCESS!
echo ========================================
echo.
echo Output files created:
echo    Decoded: %DECODED_FILE%
echo    Readable: %OUTPUT_FILE%
echo.
echo You can now open the readable file to view the configuration.
echo Search for "interfaces" to find IP address information.
echo.

:: Ask if user wants to open the file
set /p "OPEN_FILE=Open the readable file now? (Y/N): "
if /i "%OPEN_FILE%"=="Y" (
    start "" notepad "%OUTPUT_FILE%"
)

echo.
pause