diff options
Diffstat (limited to 'plugins/bootimg/format-int.c')
| -rw-r--r-- | plugins/bootimg/format-int.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/plugins/bootimg/format-int.c b/plugins/bootimg/format-int.c new file mode 100644 index 0000000..f898d5f --- /dev/null +++ b/plugins/bootimg/format-int.c @@ -0,0 +1,112 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * format-int.c - structures internes du format BOOT.img + * + * 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 Chrysalide. If not, see <http://www.gnu.org/licenses/>. + */ + + +#include "format-int.h" + + + +/****************************************************************************** +* * +* Paramètres : format = informations chargées à consulter. * +* header = en-tête à déterminer. [OUT] * +* * +* Description : Procède à la lecture de l'entête d'une image BOOT.img. * +* * +* Retour : Bilan de l'opération. * +* * +* Remarques : - * +* * +******************************************************************************/ + +bool read_bootimg_header(GBootImgFormat *format, boot_img_hdr *header) +{ + bool result; /* Bilan à retourner */ + GBinContent *content; /* Contenu binaire à lire */ + vmpa2t pos; /* Position de lecture */ + + content = g_known_format_get_content(G_KNOWN_FORMAT(format)); + + init_vmpa(&pos, 0, VMPA_NO_VIRTUAL); + + result = g_binary_content_read_raw(content, &pos, BOOT_MAGIC_SIZE, (bin_t *)header->magic); + + if (result) + result = g_binary_content_read_u32(content, &pos, SRE_LITTLE, &header->kernel_size); + + if (result) + result = g_binary_content_read_u32(content, &pos, SRE_LITTLE, &header->kernel_addr); + + if (result) + result = g_binary_content_read_u32(content, &pos, SRE_LITTLE, &header->ramdisk_size); + + if (result) + result = g_binary_content_read_u32(content, &pos, SRE_LITTLE, &header->ramdisk_addr); + + if (result) + result = g_binary_content_read_u32(content, &pos, SRE_LITTLE, &header->second_size); + + if (result) + result = g_binary_content_read_u32(content, &pos, SRE_LITTLE, &header->second_addr); + + if (result) + result = g_binary_content_read_u32(content, &pos, SRE_LITTLE, &header->tags_addr); + + if (result) + result = g_binary_content_read_u32(content, &pos, SRE_LITTLE, &header->page_size); + + if (result) + result = g_binary_content_read_u32(content, &pos, SRE_LITTLE, &header->header_version); + + if (result) + result = g_binary_content_read_u32(content, &pos, SRE_LITTLE, &header->os_version); + + if (result) + result = g_binary_content_read_raw(content, &pos, BOOT_NAME_SIZE, (bin_t *)header->name); + + if (result) + result = g_binary_content_read_raw(content, &pos, BOOT_ARGS_SIZE, (bin_t *)header->cmdline); + + if (result) + result = g_binary_content_read_raw(content, &pos, 8, (bin_t *)header->id); + + if (result) + result = g_binary_content_read_raw(content, &pos, BOOT_EXTRA_ARGS_SIZE, (bin_t *)header->extra_cmdline); + + if (result && header->header_version == 1) + { + if (result) + result = g_binary_content_read_u32(content, &pos, SRE_LITTLE, &header->recovery_dtbo_size); + + if (result) + result = g_binary_content_read_u64(content, &pos, SRE_LITTLE, &header->recovery_dtbo_offset); + + if (result) + result = g_binary_content_read_u32(content, &pos, SRE_LITTLE, &header->header_size); + + } + + g_object_unref(G_OBJECT(content)); + + return result; + +} |