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| author | Cyrille Bagard <nocbos@gmail.com> | 2019-08-29 21:43:47 (GMT) | 
|---|---|---|
| committer | Cyrille Bagard <nocbos@gmail.com> | 2019-08-29 21:43:47 (GMT) | 
| commit | fa40856e942a7e1bd1cb2729645182c1fa717468 (patch) | |
| tree | 954db169d2b734e661d904e502cd1c803f51c6ea /plugins/pychrysalide/analysis/db/server.c | |
| parent | 7f973e015eb59b626edc584a19a1ad3ffddf4867 (diff) | |
Defined a new way to launch updates share servers.
Diffstat (limited to 'plugins/pychrysalide/analysis/db/server.c')
| -rw-r--r-- | plugins/pychrysalide/analysis/db/server.c | 331 | 
1 files changed, 331 insertions, 0 deletions
| diff --git a/plugins/pychrysalide/analysis/db/server.c b/plugins/pychrysalide/analysis/db/server.c new file mode 100644 index 0000000..cee6bf6 --- /dev/null +++ b/plugins/pychrysalide/analysis/db/server.c @@ -0,0 +1,331 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * server.c - équivalent Python du fichier "analysis/db/server.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 "server.h" + + +#include <pygobject.h> + + +#include <i18n.h> +#include <analysis/db/server.h> + + +#include "constants.h" +#include "../../access.h" +#include "../../helpers.h" + + + +/* Crée un nouvel objet Python de type 'HubServer'. */ +static PyObject *py_hub_server_new(PyTypeObject *, PyObject *, PyObject *); + +/* Démarre le serveur de base de données. */ +static PyObject *py_hub_server_start(PyObject *, PyObject *); + +/* Arrête le serveur de base de données. */ +static PyObject *py_hub_server_stop(PyObject *, PyObject *); + + + +/****************************************************************************** +*                                                                             * +*  Paramètres  : type = type de l'objet à instancier.                         * +*                args = arguments fournis à l'appel.                          * +*                kwds = arguments de type key=val fournis.                    * +*                                                                             * +*  Description : Crée un nouvel objet Python de type 'HubServer'.             * +*                                                                             * +*  Retour      : Instance Python mise en place.                               * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +static PyObject *py_hub_server_new(PyTypeObject *type, PyObject *args, PyObject *kwds) +{ +    PyObject *result;                       /* Instance 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.  */ +    GHubServer *server;                     /* Serveur mis en place        */ + +#define HUB_SERVER_DOC                                                                  \ +    "HubServer creates a server listening for binary updates from clients.\n"           \ +    "\n"                                                                                \ +    "Such clients are authenticated and communications are encrypted using TLS.\n"      \ +    "\n"                                                                                \ +    "There are two kinds of servers:\n"                                                 \ +    "* one \"local\", which aims to server one given local user account;\n"             \ +    "* one \"remote\", which may target several different users at the same time.\n"    \ +    "\n"                                                                                \ +    "Instances can be created using the following constructor:\n"                       \ +    "\n"                                                                                \ +    "    HubServer(host=None, port='1337', ipv6=True)"                                  \ +    "\n"                                                                                \ +    "Where host and port define the listening properties of the server, and ipv6"       \ +    " tries to establish IPv6 connections first."                                       \ +    "\n"                                                                                \ +    "Without any parameters, a local server is created." + +    host = NULL; +    port = "1337"; +    ipv6 = true; + +    ret = PyArg_ParseTuple(args, "|ssp", &host, &port, &ipv6); +    if (!ret) return NULL; + +    if (host == NULL) +        server = g_hub_server_new_internal(); +    else +        server = g_hub_server_new_remote(host, port, ipv6); + +    if (server != NULL) +    { +        result = pygobject_new(G_OBJECT(server)); +        g_object_unref(server); +    } +    else result = NULL; + +    return result; + +} + + +/****************************************************************************** +*                                                                             * +*  Paramètres  : self = serveur à manipuler.                                  * +*                args = arguments d'appel non utilisés ici.                   * +*                                                                             * +*  Description : Démarre le serveur de base de données.                       * +*                                                                             * +*  Retour      : Bilan de l'opération.                                        * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +static PyObject *py_hub_server_start(PyObject *self, PyObject *args) +{ +    PyObject *result;                       /* Bilan à retourner           */ +    int backlog;                            /* Nombre de connexions        */ +    int ret;                                /* Bilan de lecture des args.  */ +    GHubServer *server;                     /* Version native du serveur   */ +    bool status;                            /* Bilan de l'opération        */ + +#define HUB_SERVER_START_METHOD PYTHON_METHOD_DEF               \ +(                                                               \ +    start, "$self, /, backlog=10",                              \ +    METH_VARARGS, py_hub_server,                                \ +    "Run a listening server waiting for client connections."    \ +    "\n"                                                        \ +    "The backlog argument defines the maximum length to which"  \ +    " the queue of pending connections may grow."               \ +    "\n"                                                        \ +    "The returned value is a status of type"                    \ +    " pychrysalide.analysis.db.HubServer.ServerStartStatus."    \ +) + +    backlog = 10; + +    ret = PyArg_ParseTuple(args, "|i", &backlog); +    if (!ret) return NULL; + +    server = G_HUB_SERVER(pygobject_get(self)); + +    status = g_hub_server_start(server, backlog, true); + +    result = cast_with_constants_group(get_python_hub_server_type(), "ServerStartStatus", status); + +    return result; + +} + + +/****************************************************************************** +*                                                                             * +*  Paramètres  : self = serveur à manipuler.                                  * +*                args = arguments d'appel non utilisés ici.                   * +*                                                                             * +*  Description : Arrête le serveur de base de données.                        * +*                                                                             * +*  Retour      : -                                                            * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +static PyObject *py_hub_server_stop(PyObject *self, PyObject *args) +{ +    PyObject *result;                       /* Bilan à retourner           */ +    GHubServer *server;                     /* Version native du serveur   */ + +#define HUB_SERVER_STOP_METHOD PYTHON_METHOD_DEF    \ +(                                                   \ +    stop, "$self, /",                               \ +    METH_NOARGS, py_hub_server,                     \ +    "Stop the listening server."                    \ +) + +    server = G_HUB_SERVER(pygobject_get(self)); + +    g_hub_server_stop(server); + +    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_server_type(void) +{ +    static PyMethodDef py_hub_server_methods[] = { +        HUB_SERVER_START_METHOD, +        HUB_SERVER_STOP_METHOD, +        { NULL } +    }; + +    static PyGetSetDef py_hub_server_getseters[] = { +        { NULL } +    }; + +    static PyTypeObject py_hub_server_type = { + +        PyVarObject_HEAD_INIT(NULL, 0) + +        .tp_name        = "pychrysalide.analysis.db.HubServer", +        .tp_basicsize   = sizeof(PyGObject), + +        .tp_flags       = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, + +        .tp_doc         = HUB_SERVER_DOC, + +        .tp_methods     = py_hub_server_methods, +        .tp_getset      = py_hub_server_getseters, +        .tp_new         = py_hub_server_new, + +    }; + +    return &py_hub_server_type; + +} + + +/****************************************************************************** +*                                                                             * +*  Paramètres  : module = module dont la définition est à compléter.          * +*                                                                             * +*  Description : Prend en charge l'objet 'pychrysalide....db.HubServer'.      * +*                                                                             * +*  Retour      : Bilan de l'opération.                                        * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +bool ensure_python_hub_server_is_registered(void) +{ +    PyTypeObject *type;                     /* Type Python 'HubServer'     */ +    PyObject *module;                       /* Module à recompléter        */ +    PyObject *dict;                         /* Dictionnaire du module      */ + +    type = get_python_hub_server_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_SERVER, type, &PyGObject_Type)) +            return false; + +        if (!define_hub_server_constants(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 serveur de base de données.            * +*                                                                             * +*  Retour      : Bilan de l'opération, voire indications supplémentaires.     * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +int convert_to_hub_server(PyObject *arg, void *dst) +{ +    int result;                             /* Bilan à retourner           */ + +    result = PyObject_IsInstance(arg, (PyObject *)get_python_hub_server_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 server"); +            break; + +        case 1: +            *((GHubServer **)dst) = G_HUB_SERVER(pygobject_get(arg)); +            break; + +        default: +            assert(false); +            break; + +    } + +    return result; + +} | 
