diff options
Diffstat (limited to 'plugins/lnxsyscalls/syscall.c')
-rw-r--r-- | plugins/lnxsyscalls/syscall.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/plugins/lnxsyscalls/syscall.c b/plugins/lnxsyscalls/syscall.c new file mode 100644 index 0000000..e177d6e --- /dev/null +++ b/plugins/lnxsyscalls/syscall.c @@ -0,0 +1,108 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * syscall.h - prototypes pour la définition d'appels système Linux + * + * Copyright (C) 2018 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 Chrysalide. If not, see <http://www.gnu.org/licenses/>. + */ + + +#include "syscall.h" + + +#include <assert.h> +#include <malloc.h> +#include <string.h> + + + +/****************************************************************************** +* * +* Paramètres : nr = indice de l'appel système à décrire. * +* name = désignation humaine de ce même appel système. * +* * +* Description : Crée un début de description d'appel système. * +* * +* Retour : Structure mise en place. * +* * +* Remarques : - * +* * +******************************************************************************/ + +syscall_info_t *create_syscall_info(unsigned int nr, const char *name) +{ + syscall_info_t *result; /* Description à retourner */ + + result = (syscall_info_t *)calloc(1, sizeof(syscall_info_t)); + + result->nr = nr; + result->name = strdup(name); + + return result; + +} + + +/****************************************************************************** +* * +* Paramètres : info = description d'appel système à supprimer. * +* * +* Description : Efface de la mémoire une description d'appel système. * +* * +* Retour : - * +* * +* Remarques : - * +* * +******************************************************************************/ + +void delete_syscall_info(syscall_info_t *info) +{ + size_t i; /* Boucle de parcours */ + + free(info->name); + + for (i = 0; i < info->argc; i++) + free(info->argv[i]); + + if (info->filename != NULL) + free(info->filename); + + free(info); + +} + + +/****************************************************************************** +* * +* Paramètres : info = description d'appel système à compléter. * +* arg = description d'un argument supplémentaire. * +* * +* Description : Ajoute un argument à une description d'appel système. * +* * +* Retour : Structure mise en place. * +* * +* Remarques : - * +* * +******************************************************************************/ + +void append_arg_to_syscall_info(syscall_info_t *info, const char *arg) +{ + assert(info->argc < 6); + + info->argv[info->argc++] = strdup(arg); + +} |