/* Chrysalide - Outil d'analyse de fichiers binaires * client.c - équivalent Python du fichier "analysis/db/client.c" * * Copyright (C) 2019 Cyrille Bagard * * This file is part of Chrysalide. * * Chrysalide 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. * * Chrysalide 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 this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "client.h" #include #include #include #include #include #include "collection.h" #include "../../access.h" #include "../../helpers.h" #include "../../struct.h" #define HUB_CLIENT_DOC \ "HubClient provides and receives binary updates to and from a connected" \ " to a server.\n" \ "\n" \ "Such clients must be authenticated and communications are encrypted using TLS.\n" \ "\n" \ "Instances can be created directly." \ "\n" \ "HubClient instances emit the following signals:\n" \ "* 'snapshots-updated'\n" \ " This signal is emitted when the snapshot list has evolved.\n" \ "\n" \ " Handlers are expected to have only one argument: the client managing the" \ " updated snapshots.\n" \ "* 'snapshot-changed'\n" \ " This signal is emitted when the identifier of the current snapshot changed.\n" \ "\n" \ " Handlers are expected to have only one argument: the client managing the" \ " snapshots." /* Démarre la connexion à la base de données. */ static PyObject *py_hub_client_start(PyObject *, PyObject *); /* Arrête la connexion à la base de données. */ static PyObject *py_hub_client_stop(PyObject *, PyObject *); /****************************************************************************** * * * Paramètres : self = client à manipuler. * * args = paramètres à transmettre à l'appel natif. * * * * Description : Démarre la connexion à la base de données. * * * * Retour : Bilan de l'opération. * * * * Remarques : - * * * ******************************************************************************/ static PyObject *py_hub_client_start(PyObject *self, PyObject *args) { PyObject *result; /* Bilan à retourner */ const char *host; /* Désignation de serveur */ const char *port; /* Port d'écoute associé */ bool ipv6; /* Préférence pour IPv6 ? */ int ret; /* Bilan de lecture des args. */ GHubClient *client; /* Version native du serveur */ bool status; /* Bilan de l'opération */ #define HUB_CLIENT_START_METHOD PYTHON_METHOD_DEF \ ( \ start, "$self, /, host=None, port='1337', ipv6=True", \ METH_VARARGS, py_hub_client, \ "Connect to a server for binary updates.\n" \ "\n" \ "host and port define the properties of the server, and ipv6" \ " tries to establish IPv6 connections first." \ ) host = NULL; port = "1337"; ipv6 = true; ret = PyArg_ParseTuple(args, "|ssp", &host, &port, &ipv6); if (!ret) return NULL; client = G_HUB_CLIENT(pygobject_get(self)); if (host == NULL) status = g_hub_client_start_internal(client); else status = g_hub_client_start_remote(client, host, port, ipv6); result = status ? Py_True : Py_False; Py_INCREF(result); return result; } /****************************************************************************** * * * Paramètres : self = client à manipuler. * * args = arguments d'appel non utilisés ici. * * * * Description : Arrête la connexion à la base de données. * * * * Retour : - * * * * Remarques : - * * * ******************************************************************************/ static PyObject *py_hub_client_stop(PyObject *self, PyObject *args) { PyObject *result; /* Bilan à retourner */ GHubClient *client; /* Version native du serveur */ #define HUB_CLIENT_STOP_METHOD PYTHON_METHOD_DEF \ ( \ stop, "$self, /", \ METH_NOARGS, py_hub_client, \ "Stop the client." \ ) client = G_HUB_CLIENT(pygobject_get(self)); g_hub_client_stop(client); result = Py_None; Py_INCREF(result); return result; } /****************************************************************************** * * * Paramètres : - * * * * Description : Fournit un accès à une définition de type à diffuser. * * * * Retour : Définition d'objet pour Python. * * * * Remarques : - * * * ******************************************************************************/ PyTypeObject *get_python_hub_client_type(void) { static PyMethodDef py_hub_client_methods[] = { HUB_CLIENT_START_METHOD, HUB_CLIENT_STOP_METHOD, { NULL } }; static PyGetSetDef py_hub_client_getseters[] = { { NULL } }; static PyTypeObject py_hub_client_type = { PyVarObject_HEAD_INIT(NULL, 0) .tp_name = "pychrysalide.analysis.db.HubClient", .tp_basicsize = sizeof(PyGObject), .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, .tp_doc = HUB_CLIENT_DOC, .tp_methods = py_hub_client_methods, .tp_getset = py_hub_client_getseters, .tp_new = no_python_constructor_allowed, }; return &py_hub_client_type; } /****************************************************************************** * * * Paramètres : module = module dont la définition est à compléter. * * * * Description : Prend en charge l'objet 'pychrysalide....db.HubClient'. * * * * Retour : Bilan de l'opération. * * * * Remarques : - * * * ******************************************************************************/ bool ensure_python_hub_client_is_registered(void) { PyTypeObject *type; /* Type Python 'HubClient' */ PyObject *module; /* Module à recompléter */ PyObject *dict; /* Dictionnaire du module */ type = get_python_hub_client_type(); if (!PyType_HasFeature(type, Py_TPFLAGS_READY)) { module = get_access_to_python_module("pychrysalide.analysis.db"); dict = PyModule_GetDict(module); if (!register_class_for_pygobject(dict, G_TYPE_HUB_CLIENT, type)) return false; } return true; } /****************************************************************************** * * * Paramètres : arg = argument quelconque à tenter de convertir. * * dst = destination des valeurs récupérées en cas de succès. * * * * Description : Tente de convertir en client de base de données. * * * * Retour : Bilan de l'opération, voire indications supplémentaires. * * * * Remarques : - * * * ******************************************************************************/ int convert_to_hub_client(PyObject *arg, void *dst) { int result; /* Bilan à retourner */ result = PyObject_IsInstance(arg, (PyObject *)get_python_hub_client_type()); switch (result) { case -1: /* L'exception est déjà fixée par Python */ result = 0; break; case 0: PyErr_SetString(PyExc_TypeError, "unable to convert the provided argument to hub client"); break; case 1: *((GHubClient **)dst) = G_HUB_CLIENT(pygobject_get(arg)); break; default: assert(false); break; } return result; }