yakpro po
ve strftime as it is deprecated as of php 8.1
Esta página en francés
YAK Pro significa Y et A other Killer Pro duct.
Gratis, de código abierto, publicado bajo licencia MIT.
Esta herramienta analiza php con el mejor analizador de php existente, PHP-Parser 4.x, que es una increíble biblioteca de análisis de php escrita por nikic.
Sólo tienes que descargar el archivo zip y descomprimirlo en el subdirectorio PHP-Parser, o hacer un clon de git...
yakpro-po 2.x works on PhpParser 4.x
it will run on php >= 7.0, obfuscating code for php 5.2 to php 7.3
If you are running php 5.3 or higher,
Please use unsupported [yakpro-po 1.x](https://github.com/pk-fr/yakpro-po/tree/1.x) which works on 1.x branch of PhpParser.
¡El archivo autodocumentado yakpro-po.cnf contiene muchas opciones de configuración! ¡Échale un vistazo!
Demostración: demostración de yakpro-po.
Requisitos previos: php 7.0 o superior, PHP-Parser 4.x.
Nota: Esta herramienta ha sido escrita para ofuscar fuentes puras de PHP. no está diseñado para ser utilizado con html ni para incrustar php (úselo bajo su propio riesgo... puede intentar desactivar la mezcla de declaraciones...). Aún puedes incrustar html dentro de php usando echo <<<END... END; ¡sintaxis!
Cuando tienes un proyecto php que deseas distribuir, como php es un intérprete de script, ¡distribuyes también todas las fuentes de tu software!
Es posible que desee, por cualquier motivo, que otras personas no comprendan, modifiquen o adapten su software.
Como su software debe ser comprensible para el tiempo de ejecución de PHP , pero debe ser muy difícil de entender para los humanos, la ofuscación es una muy buena manera de lograr este objetivo.
Elimina todos los comentarios, sangrías y genera un archivo de programa de una sola línea.
Ofusca if, else, elseif, for, while, do while reemplazándolos con declaraciones if goto .
Ofusca los literales de cadena.
Mezcla nombres para:
Mezcla declaraciones.
Ofusca de forma recursiva el directorio de un proyecto.
Mecanismo similar a Makefile, basado en marcas de tiempo, para volver a ofuscar solo los archivos que se modificaron desde la última ofuscación.
¡Muchas opciones de configuración que le permiten tener control total de lo que se ofusca dentro de su proyecto!
Comencé a probar algunas herramientas de ofuscación de PHP ya existentes, pero no encontré ninguna que se ajustara a todas mis necesidades. Quería una herramienta de línea de comandos simple , basada en un archivo de configuración altamente personalizable , que pudiera:
Entonces comencé a escribir esta herramienta. La versión 1.0 se ha escrito en unos pocos días...
Note: This setup is also valid for Windows 10 Anniversary with bash installed...
1. Prerequisites: git and php-cli (command line interface) packages.
on ubuntu: (adapt according your linux distribution)
# apt install git
# apt install php-cli
do not forget to install all other php modules that you are using within your software:
for example: apt install php-mysql if you are using mysql...
2. Navigate to the directory where you want to install yakpro-po (/usr/local is a good idea):
# cd /usr/local
3. Then retrieve from GitHub:
# git clone https://github.com/pk-fr/yakpro-po.git
4. Go to the yakpro-po directory:
# cd yakpro-po
5. Then retrieve from GitHub:
# git clone https://github.com/nikic/PHP-Parser.git --branch 4.x
6. Check that yakpro-po.php has execute rights, otherwise:
# chmod a+x yakpro-po.php
7. Create a symbolic link in the /usr/local/bin directory
# cd /usr/local/bin
# ln -s /usr/local/yakpro-po/yakpro-po.php yakpro-po
8. You can now run yakpro-po
# yakpro-po --help
# yakpro-po test.php
Modify a copy of the yakpro-po.cnf to fit your needs...
Read the "Configuration file loading algorithm" section of this document
to choose the best location suiting your needs!
That's it! You're done!
yakpro-po ¡Oculta según el archivo de configuración! (Ver algoritmo de carga del archivo de configuración)
yakpro-po source_filename Ofusca el código en la salida estándar
yakpro-po source_filename -o target_filename Ofusca el código en nombre_archivo_destino
yakpro-po source_directory -o target_directory Ofusca de forma recursiva el código en directorio_destino/yakpro-po (lo crea si aún no existe).
yakpro-po --config-file config_file_path Según config_file_path.
yakpro-po --clean Requiere que target_directory esté presente en su archivo de configuración! Elimina recursivamente target_directory/yakpro-po
(se utiliza el primero encontrado)
--config-file argument value
YAKPRO_PO_CONFIG_FILE environment variable value if existing and not empty.
filename selection:
YAKPRO_PO_CONFIG_FILENAME environment variable value if existing and not empty,
yakpro-po.cnf otherwise.
file is then searched in the following directories:
YAKPRO_PO_CONFIG_DIRECTORY environment variable value if existing and not empty.
current_working_directory
current_working_directory/config
home_directory
home_directory/config
/usr/local/YAK/yakpro-po
source_code_directory/default_conf_filename
if no config file is found, default values are used.
You can find the default config file as an example in the yakpro-po.cnf file of the
repository.
Do not modify it directly because it will be overwritten at each update!
Use your own yakpro-po.cnf file (for example in the root directory of your project)
When working on directories,
context is saved in order to reuse the same obfuscation translation table.
When you make some changes in one or several source files,
yakpro-po uses timestamps to only reobfuscate files that were changed
since the last obfuscation.
This can save you a lot of time.
caveats: does not delete files that are no more present...
use --clean command line parameter, and then re-obfuscate all!
(anular la configuración del archivo de configuración)
--silent do not display Information level messages.
--debug (internal debugging use) displays the syntax tree.
-s or
--no-strip-indentation multi line output
--strip-indentation single line output
--no-shuffle-statements do not shuffle statements
--shuffle-statements shuffle statements
--no-obfuscate-string-literal do not obfuscate string literals
--obfuscate-string-literal obfuscate string literals
--no-obfuscate-loop-statement do not obfuscate loop statements
--obfuscate-loop-statement obfuscate loop statements
--no-obfuscate-if-statement do not obfuscate if statements
--obfuscate-if-statement obfuscate if statements
--no-obfuscate-constant-name do not obfuscate constant names
--obfuscate-constant-name obfuscate constant names
--no-obfuscate-variable-name do not obfuscate variable names
--obfuscate-variable-name obfuscate variable names
--no-obfuscate-function-name do not obfuscate function names
--obfuscate-function-name obfuscate function names
--no-obfuscate-class_constant-name do not obfuscate class constant names
--obfuscate-class_constant-name obfuscate class constant names
--no-obfuscate-class-name do not obfuscate class names
--obfuscate-class-name obfuscate class names
--no-obfuscate-interface-name do not obfuscate interface names
--obfuscate-interface-name obfuscate interface names
--no-obfuscate-trait-name do not obfuscate trait names
--obfuscate-trait-name obfuscate trait names
--no-obfuscate-property-name do not obfuscate property names
--obfuscate-property-name obfuscate property names
--no-obfuscate-method-name do not obfuscate method names
--obfuscate-method-name obfuscate method names
--no-obfuscate-namespace-name do not obfuscate namespace names
--obfuscate-namespace-name obfuscate namespace names
--no-obfuscate-label-name do not obfuscate label names
--obfuscate-label-name obfuscate label names
--scramble-mode identifier|hexa|numeric force scramble mode
--scramble-length length ( min=2; max = 16 for scramble_mode=identifier,
max = 32 for scramble_mode = hexa or numeric)
--whatis scrambled_name retrieves original symbol from obfuscation context.
(usefull for debugging your code when you give away
obfuscated code, and keep the same obfuscation context).
Tip: do not include the $ symbol, or use $ because
$ has special meaning in shell.
-h or
--help displays help.
If your obfuscated software makes use of external libraries
that you do not obfuscate along with your software:
if the library consists of functions:
set the $conf->obfuscate_function_name to false in your yakpro-po.cnf config file,
or declare all the functions names you are using in $conf->t_ignore_functions
example : $conf->t_ignore_functions = array('my_func1','my_func2');
if the library consists of classes :
set the $conf->obfuscate_class_name,
$conf->obfuscate_property_name,
$conf->obfuscate_method_name
to false in your yakpro-po.cnf config file...
... or declare all the classes, properties, methods names you are using in
$conf->t_ignore_classes,
$conf->t_ignore_properties,
$conf->t_ignore_methods.
This is also true for PDO::FETCH_OBJ that retrieves properties from external source
(i.e. database columns).
At first you can test obfuscating only variable names...
If you obfuscate functions, do not use indirect function calls like
$my_var = 'my_function';
$my_var();
or put all the function names you call indirectly in the $conf->t_ignore_functions array!
Do not use indirect variable names!
$$my_var = something;
or put all the variable names you use indirectly in the $conf->t_ignore_variables array!
Do not use PDO::FETCH_OBJ but use PDO::FETCH_ASSOC instead!
or disable properties obfuscation in the config file.
If you use the define function for defining constants, the only allowed form is when the
define function has exactly 2 arguments, and the first one is a litteral string!
You MUST disable constants obfuscation in the config file, if you use any other forms
of the define function!
There is no problem with the const MY_CONST = something; form!
Except for the statements shuffling obfuscation option,
the obfuscated program speed is almost the same than the original one.
$conf->shuffle_stmts is set to true by default.
If you encounter performance issues, you can either set the option to false,
or fine tune the shuffle parameters with the associated options.
You must know that the lesser the chunk size, the better the obfuscation,
and the lower your software performance!
(during my own tests, the maximum of obfuscation costs me about 13% of performance)
You can tune it as you wish!
falla de segmentación
opcache crashes on Ubuntu 21.10 - php 8.0.8 (segfault) both within apache2 and cli when
shuffle-statements is turned on for big files
works perfectly with newer versions of php (8.0.16 8.1 )
sedimentation-fault informó en el número 75 que podría ocurrir una falla de segmentación en el recolector de basura de PHP al ofuscar muchos archivos grandes en un proyecto:
Trying to obfuscate ~5000 PHP files of ~1000 lines each, yakpro-po stopped after processing ~1600 files
with a simple (and frustrating) Segmentation fault
Workaround:
There is a stack overflow in garbage collector. The solution is to increase limit for stack.
To see your current limit, type
ulimit -s
I had 8192 - for a task of this size obviously totally undersized...
Change this to something more appropriate, say
ulimit -s 102400
and retry - the segmentation fault is gone! :-)
