mirror of
https://github.com/DarkMatterCore/nxdumptool.git
synced 2024-10-30 15:31:46 +00:00
79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
/*
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* Copyright (c) 2020 DarkMatterCore
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "bktr.h"
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#include "utils.h"
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/* Function prototypes. */
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bool bktrInitializeContext(BktrContext *out, NcaFsSectionContext *base_nca_fs_ctx, NcaFsSectionContext *update_nca_fs_ctx)
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{
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NcaContext *base_nca_ctx = NULL, *update_nca_ctx = NULL;
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if (!out || !base_nca_fs_ctx || !(base_nca_ctx = (NcaContext*)base_nca_fs_ctx->nca_ctx) || base_nca_fs_ctx->section_type != NcaFsSectionType_RomFs || \
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base_nca_fs_ctx->encryption_type == NcaEncryptionType_AesCtrEx || !update_nca_fs_ctx || !(update_nca_ctx = (NcaContext*)update_nca_fs_ctx->nca_ctx) || \
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update_nca_fs_ctx->section_type != NcaFsSectionType_PatchRomFs || update_nca_fs_ctx->encryption_type != NcaEncryptionType_AesCtrEx ||
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base_nca_ctx->header.program_id != update_nca_ctx->header.program_id)
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{
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LOGFILE("Invalid parameters!");
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return false;
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}
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/* Initialize base NCA RomFS context */
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if (!romfsInitializeContext(&(out->base_romfs_ctx), base_nca_fs_ctx))
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{
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LOGFILE("Failed to initialize base NCA RomFS context!");
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return false;
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}
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/* Initialize update NCA RomFS context */
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if (!romfsInitializeContext(&(out->patch_romfs_ctx), update_nca_fs_ctx))
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{
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LOGFILE("Failed to initialize update NCA RomFS context!");
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romfsFreeContext(&(out->base_romfs_ctx));
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return false;
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}
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/* Fill context */
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bool success = false;
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out->patch_info = &(update_nca_fs_ctx->header->patch_info);
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out->size = out->patch_romfs_ctx.size;
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out->virtual_seek = out->base_seek = out->patch_seek = 0;
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success = true;
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exit:
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if (!success) bktrFreeContext(out);
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return success;
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}
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