mirror of
https://github.com/DarkMatterCore/nxdumptool.git
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495e331306
ProgramInfo XML generation is still missing. Getting real close to reimplementing NSP dumping.
111 lines
3.8 KiB
C
111 lines
3.8 KiB
C
/*
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* program_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 <mbedtls/base64.h>
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#include "utils.h"
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#include "program_info.h"
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#include "elf_symbol.h"
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bool programInfoInitializeContext(ProgramInfoContext *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_Program || 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_Program || !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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u32 i = 0, pfs_entry_count = 0, magic = 0;
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NsoContext *tmp_nso_ctx = NULL;
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bool success = false;
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/* Free output context beforehand. */
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programInfoFreeContext(out);
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/* Initialize Partition FS context. */
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if (!pfsInitializeContext(&(out->pfs_ctx), &(nca_ctx->fs_contexts[0])))
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{
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LOGFILE("Failed to initialize Partition FS context!");
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goto end;
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}
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/* Check if we're indeed dealing with an ExeFS. */
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if (!out->pfs_ctx.is_exefs)
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{
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LOGFILE("Initialized Partition FS is not an ExeFS!");
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goto end;
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}
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/* Get ExeFS entry count. Edge case, we should never trigger this. */
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if (!(pfs_entry_count = pfsGetEntryCount(&(out->pfs_ctx))))
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{
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LOGFILE("ExeFS has no file entries!");
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goto end;
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}
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/* Initialize NPDM context. */
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if (!npdmInitializeContext(&(out->npdm_ctx), &(out->pfs_ctx)))
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{
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LOGFILE("Failed to initialize NPDM context!");
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goto end;
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}
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/* Initialize NSO contexts. */
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for(i = 0; i < pfs_entry_count; i++)
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{
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/* Skip the main.npdm entry, as well as any other entries without a NSO header. */
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PartitionFileSystemEntry *pfs_entry = pfsGetEntryByIndex(&(out->pfs_ctx), i);
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char *pfs_entry_name = pfsGetEntryName(&(out->pfs_ctx), pfs_entry);
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if (!pfs_entry || !pfs_entry_name || !strncmp(pfs_entry_name, "main.npdm", 9) || !pfsReadEntryData(&(out->pfs_ctx), pfs_entry, &magic, sizeof(u32), 0) || \
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__builtin_bswap32(magic) != NSO_HEADER_MAGIC) continue;
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/* Reallocate NSO context buffer. */
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if (!(tmp_nso_ctx = realloc(out->nso_ctx, (out->nso_count + 1) * sizeof(NsoContext))))
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{
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LOGFILE("Failed to reallocate NSO context buffer for NSO \"%s\"! (entry #%u).", pfs_entry_name, i);
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goto end;
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}
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out->nso_ctx = tmp_nso_ctx;
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tmp_nso_ctx = NULL;
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memset(&(out->nso_ctx[out->nso_count]), 0, sizeof(NsoContext));
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/* Initialize NSO context. */
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if (!nsoInitializeContext(&(out->nso_ctx[out->nso_count]), &(out->pfs_ctx), pfs_entry))
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{
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LOGFILE("Failed to initialize context for NSO \"%s\"! (entry #%u).", pfs_entry_name, i);
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goto end;
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}
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/* Update NSO count. */
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out->nso_count++;
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}
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success = true;
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end:
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if (!success) programInfoFreeContext(out);
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return success;
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}
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