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/* 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;
}
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