mirror of
https://github.com/DarkMatterCore/nxdumptool.git
synced 2024-09-19 21:43:44 +01:00
90 lines
2.9 KiB
C
90 lines
2.9 KiB
C
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/*
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* legal_info.c
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*
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* Copyright (c) 2020, DarkMatterCore <pabloacurielz@gmail.com>.
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*
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* This file is part of nxdumptool (https://github.com/DarkMatterCore/nxdumptool).
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*
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* nxdumptool 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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* nxdumptool 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 "utils.h"
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#include "legal_info.h"
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#include "romfs.h"
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bool legalInfoInitializeContext(LegalInfoContext *out, NcaContext *nca_ctx)
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{
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if (!out || !nca_ctx || !strlen(nca_ctx->content_id_str) || nca_ctx->content_type != NcmContentType_LegalInformation || nca_ctx->content_size < NCA_FULL_HEADER_LENGTH || \
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(nca_ctx->storage_id != NcmStorageId_GameCard && !nca_ctx->ncm_storage) || (nca_ctx->storage_id == NcmStorageId_GameCard && !nca_ctx->gamecard_offset) || \
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nca_ctx->header.content_type != NcaContentType_Manual || !out)
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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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RomFileSystemContext romfs_ctx = {0};
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RomFileSystemFileEntry *xml_entry = NULL;
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bool success = false;
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/* Free output context beforehand. */
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legalInfoFreeContext(out);
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/* Initialize RomFS context. */
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if (!romfsInitializeContext(&romfs_ctx, &(nca_ctx->fs_contexts[0])))
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{
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LOGFILE("Failed to initialize RomFS context!");
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goto end;
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}
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/* Retrieve RomFS file entry for 'legalinfo.xml'. */
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if (!(xml_entry = romfsGetFileEntryByPath(&romfs_ctx, "/legalinfo.xml")))
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{
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LOGFILE("Failed to retrieve file entry for \"legalinfo.xml\" from RomFS!");
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goto end;
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}
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//LOGFILE("Found 'legalinfo.xml' entry in LegalInformation NCA \"%s\".", nca_ctx->content_id_str);
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/* Verify XML size. */
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if (!xml_entry->size)
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{
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LOGFILE("Invalid XML size!");
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goto end;
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}
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/* Allocate memory for the XML. */
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out->authoring_tool_xml_size = xml_entry->size;
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if (!(out->authoring_tool_xml = malloc(out->authoring_tool_xml_size)))
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{
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LOGFILE("Failed to allocate memory for the XML!");
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goto end;
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}
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/* Read NACP data into memory buffer. */
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if (!romfsReadFileEntryData(&romfs_ctx, xml_entry, out->authoring_tool_xml, out->authoring_tool_xml_size, 0))
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{
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LOGFILE("Failed to read XML!");
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goto end;
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}
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success = true;
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end:
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romfsFreeContext(&romfs_ctx);
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if (!success) legalInfoFreeContext(out);
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return success;
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}
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