mirror of
https://github.com/DarkMatterCore/nxdumptool.git
synced 2024-11-08 19:52:12 +00:00
96 lines
3.1 KiB
C
96 lines
3.1 KiB
C
/*
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* legal_info.c
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*
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* Copyright (c) 2020-2022, 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
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* nxdumptool is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for 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 <https://www.gnu.org/licenses/>.
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*/
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#include "nxdt_utils.h"
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#include "legal_info.h"
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bool legalInfoInitializeContext(LegalInfoContext *out, NcaContext *nca_ctx)
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{
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if (!out || !nca_ctx || !*(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 || nca_ctx->content_type_ctx || !out)
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{
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LOG_MSG_ERROR("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_ctx[0]), NULL))
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{
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LOG_MSG_ERROR("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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LOG_MSG_ERROR("Failed to retrieve file entry for \"legalinfo.xml\" from RomFS!");
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goto end;
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}
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LOG_MSG_INFO("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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LOG_MSG_ERROR("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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LOG_MSG_ERROR("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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LOG_MSG_ERROR("Failed to read XML!");
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goto end;
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}
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/* Update NCA context pointer in output context. */
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out->nca_ctx = nca_ctx;
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/* Update content type context info in NCA context. */
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nca_ctx->content_type_ctx = out;
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nca_ctx->content_type_ctx_patch = false;
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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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