/* OpenIDA - Outil d'analyse de fichiers binaires
 * pyoida.c - plugin permettant des extensions en Python
 *
 * Copyright (C) 2009 Cyrille Bagard
 *
 *  This file is part of OpenIDA.
 *
 *  OpenIDA is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  OpenIDA is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
 */


#include "pyoida.h"


#include <config.h>
#include <dirent.h>


#include <Python.h>


#include "analysis/module.h"
#include "arch/module.h"
#include "format/module.h"

/*
#include "analysis/py_binary.h"
#include "analysis/py_line.h"
#include "analysis/py_line_code.h"
#include "analysis/roptions.h"
*/
#include "plugin.h"
#include "py_log.h"
#include "../../src/common/environment.h"


#include "plugin.h"



static GObject *_ref = NULL;



static PyObject *pyoida_get_current_binary(PyObject *self, PyObject *args)
{
    GOpenidaBinary *binary;                 /* Structure à copier          */

    binary = (GOpenidaBinary *)g_object_get_data(_ref, "current_binary");

    return pybinary_new_from_existing(binary);

}

static PyMethodDef SpamMethods[] = {
    {"current_binary",  pyoida_get_current_binary, METH_NOARGS,
     "Give the current analyzed binary."},
    {NULL, NULL, 0, NULL}        /* Sentinel */
};




static PyObject *__mod;


/******************************************************************************
*                                                                             *
*  Paramètres  : ref = espace de référencement global.                        *
*                                                                             *
*  Description : Initialise le greffon permettant l'usage de Python.          *
*                                                                             *
*  Retour      : true.                                                        *
*                                                                             *
*  Remarques   : -                                                            *
*                                                                             *
******************************************************************************/

bool init_plugin(GObject *ref)
{
    char *paths;                            /* Emplacements de greffons    */
    char *path;                             /* Chemin à fouiller           */
    char *save;                             /* Sauvegarde pour ré-entrance */
    DIR *dir;                               /* Répertoire à parcourir      */
    struct dirent entry;                    /* Elément trouvé              */
    struct dirent *next;                    /* Prochain élément fourni     */
    int ret;                                /* Bilan d'un appel système    */
    char *filename;                         /* Chemin d'accès reconstruit  */




    GPluginModule *plugin;



    printf("Init pyoida\n");

    _ref = ref;


    /* Définition des zones d'influence */

    add_to_env_var("PYTHONPATH", PLUGINS_DIR G_DIR_SEPARATOR_S "python", ";");

    paths = get_env_var("PYTHONPATH");

    /* Intialisations Python */


    //return false;


    Py_Initialize();

    initpyoida();



    /* Chargement des greffons */

    printf("Paths :: '%s'\n", paths);

    for (path = strtok_r(paths, ";", &save);
         path != NULL; 
         path = strtok_r(NULL, ";", &save))
    {
        dir = opendir(path);
        if (dir == NULL)
        {
            perror("opendir");
            continue;
        }

        printf("CHEMIN :: '%s'\n", path);

        for (ret = readdir_r(dir, &entry, &next);
             ret == 0 && next != NULL;
             ret = readdir_r(dir, &entry, &next))
        {
            if (entry.d_name[0] == '.') continue;

            filename = strdup(entry.d_name);
            filename = stradd(filename, ".");
            filename = stradd(filename, "__init__");

            printf(" - entry :: '%s'\n", filename);


            plugin = g_python_plugin_new(entry.d_name, filename);

            if (plugin == NULL)
                 printf("No suitable Python plugin found in '%s'\n", filename);  /* FIXME : LOG(...) */
            else
            {
                printf("ok pour %s\n", filename);
                add_plugin_to_main_list(plugin);
            }

            free(filename);

        }

         closedir(dir);

         break; /* FIXME */

    }

    //Py_Finalize();

    return true;

}


/******************************************************************************
*                                                                             *
*  Paramètres  : plugin = greffon à consulter.                                *
*                                                                             *
*  Description : Indique les opérations offertes par un greffon donné.        *
*                                                                             *
*  Retour      : Action(s) offerte(s) par le greffon.                         *
*                                                                             *
*  Remarques   : -                                                            *
*                                                                             *
******************************************************************************/

PluginAction get_plugin_action(const GPluginModule *plugin)
{
    PluginAction result;                    /* Combinaison à retourner     */

    result = PGA_NONE;




    return result;

}





#if PY_VERSION_HEX >= 0x03000000

/* Python 3.x code */

static struct PyModuleDef spammodule = {
   PyModuleDef_HEAD_INIT,
   "pyoida",   /* name of module */
   "pyoida_doc", /* module documentation, may be NULL */
   -1,       /* size of per-interpreter state of the module,
                or -1 if the module keeps state in global variables. */
   SpamMethods
};

PyMODINIT_FUNC
PyInit_pyoida(void)
{
    printf("Passage 3\n");
    (void) PyModule_Create(&spammodule);
}

#else

/* Python 2.x code */

typedef struct {
	PyObject_HEAD
	PyObject *md_dict;
} PyModuleObject;


PyMODINIT_FUNC
initpyoida(void)
{
    PyObject *module;

    printf("Passage 2\n");
    module = Py_InitModule("pyoida", SpamMethods);

    __mod = module;

    //add_analysis_roptions_to_python_module(module);
    add_analysis_module_to_python_module(module);
    add_arch_module_to_python_module(module);
    add_format_module_to_python_module(module);

    add_log_to_python_module(module);
    add_plugin_to_python_module(module);

}

#endif