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Diffstat (limited to 'src/analysis/db/core.c')
| -rw-r--r-- | src/analysis/db/core.c | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/src/analysis/db/core.c b/src/analysis/db/core.c new file mode 100644 index 0000000..8b06ac0 --- /dev/null +++ b/src/analysis/db/core.c @@ -0,0 +1,205 @@ + +/* OpenIDA - Outil d'analyse de fichiers binaires + * core.c - prototypes pour les informations de base pour tout élément ajouté + * + * Copyright (C) 2014 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 "core.h" + + +#include <endian.h> +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include <unistd.h> + + +#include "../../common/io.h" + + + +/****************************************************************************** +* * +* Paramètres : - * +* * +* Description : Détermine une fois pour toute la désignation de l'usager. * +* * +* Retour : Nom statique déterminé. * +* * +* Remarques : - * +* * +******************************************************************************/ + +const char *get_local_author_name(void) +{ + static char result[MAX_DB_AUTHOR_LEN]; /* Désignation à retourner */ + char *chrysalide_user; /* Eventuel nom spécifique */ + char *logname; /* Nom depuis l'environnement */ + char hostname[HOST_NAME_MAX]; /* Nom de la machine courante */ + int ret; /* Bilan d'un appel */ + + if (result[0] == '\0') + { + chrysalide_user = getenv("CHRYSALIDE_USER"); + + if (chrysalide_user != NULL) + { + strncpy(result, chrysalide_user, MAX_DB_AUTHOR_LEN - 1); + result[MAX_DB_AUTHOR_LEN - 1] = '\0'; + } + else + { + logname = getenv("LOGNAME"); + if (logname == NULL) + logname = ""; + + ret = gethostname(hostname, HOST_NAME_MAX); + if (ret != 0) + hostname[0] = '\0'; + + if (logname != NULL && hostname[0] != '\0') + snprintf(result, MAX_DB_AUTHOR_LEN, "%s@%s", logname, hostname); + + else if (logname != NULL && hostname[0] == '\0') + snprintf(result, MAX_DB_AUTHOR_LEN, "%s", logname); + + else if (logname == NULL && hostname[0] != '\0') + snprintf(result, MAX_DB_AUTHOR_LEN, "@%s", hostname); + + else + snprintf(result, MAX_DB_AUTHOR_LEN, "anonymous"); + + } + + } + + return result; + +} + + +/****************************************************************************** +* * +* Paramètres : info = informations à constituer. [OUT] * +* type = type de l'élément à mettre en place. * +* user = provenance des informations ou NULL si machine. * +* * +* Description : Initialise le coeur des informations d'un élément ajouté. * +* * +* Retour : - * +* * +* Remarques : - * +* * +******************************************************************************/ + +void init_core_db_info(core_db_info *info, uint64_t type, const char *user) +{ + info->type = type; + + strncpy(info->user, user, MAX_DB_AUTHOR_LEN - 1); + info->user[MAX_DB_AUTHOR_LEN - 1] = '\0'; + + info->created = time(NULL); + info->modified = info->created; + + info->saved = 0; + +} + + +/****************************************************************************** +* * +* Paramètres : info = informations à constituer. [OUT] * +* type = type de l'élément, lu en avance de phase. * +* fd = flux ouvert en lecture pour l'importation. * +* * +* Description : Importe le coeur des informations d'un élément ajouté. * +* * +* Retour : Bilan de l'opération. * +* * +* Remarques : - * +* * +******************************************************************************/ + +bool load_core_db_info(core_db_info *info, uint64_t type, int fd) +{ + ssize_t got; /* Quantité de données reçues */ + uint64_t val64; /* Valeur sur 64 bits */ + + info->type = type; + + got = safe_recv(fd, info->user, MAX_DB_AUTHOR_LEN, MSG_WAITALL); + if (got != MAX_DB_AUTHOR_LEN) return false; + + info->user[MAX_DB_AUTHOR_LEN - 1] = '\0'; + + got = safe_recv(fd, &val64, sizeof(uint64_t), MSG_WAITALL); + if (got != sizeof(uint64_t)) return false; + + info->created = be64toh(val64); + + got = safe_recv(fd, &val64, sizeof(uint64_t), MSG_WAITALL); + if (got != sizeof(uint64_t)) return false; + + info->modified = be64toh(val64); + + info->saved = info->modified; + + return true; + +} + + +/****************************************************************************** +* * +* Paramètres : info = informations à sauvegarer. * +* fd = flux ouvert en écriture pour l'exportation. * +* * +* Description : Exporte le coeur des informations d'un élément ajouté. * +* * +* Retour : Bilan de l'opération. * +* * +* Remarques : - * +* * +******************************************************************************/ + +bool store_core_db_info(core_db_info *info, int fd) +{ + ssize_t got; /* Quantité de données reçues */ + + got = safe_send(fd, (uint64_t []) { htobe64(info->type) }, sizeof(uint64_t), MSG_WAITALL); + if (got != sizeof(uint64_t)) return false; + + got = safe_send(fd, info->user, MAX_DB_AUTHOR_LEN, MSG_WAITALL); + if (got != MAX_DB_AUTHOR_LEN) return false; + + got = safe_send(fd, (uint64_t []) { htobe64(info->created) }, sizeof(uint64_t), MSG_WAITALL); + if (got != sizeof(uint64_t)) return false; + + got = safe_send(fd, (uint64_t []) { htobe64(info->modified) }, sizeof(uint64_t), MSG_WAITALL); + if (got != sizeof(uint64_t)) return false; + + info->saved = time(NULL); + + return true; + +} |