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nxdumptool/code_templates/system_title_dumper.c
Pablo Curiel 40fc21b5a3 Fix ProgramInfo and NSO issues.
XML generation confirmed to be working. The new algorithm faithfully reproduces the same output from legacy nxdumptool with much less overhead and memory usage.
2020-10-11 20:40:54 -04:00

455 lines
14 KiB
C

/*
* main.c
*
* Copyright (c) 2020, DarkMatterCore <pabloacurielz@gmail.com>.
*
* This file is part of nxdumptool (https://github.com/DarkMatterCore/nxdumptool).
*
* nxdumptool is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* nxdumptool is distributed in the hope 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "utils.h"
#include "nca.h"
#include "title.h"
#include "pfs.h"
#include "romfs.h"
#define BLOCK_SIZE 0x800000
#define OUTPATH "sdmc:/systitle_dumps"
static u8 *buf = NULL;
static FILE *filefd = NULL;
static char path[FS_MAX_PATH * 2] = {0};
static void consolePrint(const char *text, ...)
{
va_list v;
va_start(v, text);
vfprintf(stdout, text, v);
va_end(v);
consoleUpdate(NULL);
}
static void dumpPartitionFs(TitleInfo *info, NcaFsSectionContext *nca_fs_ctx)
{
if (!buf || !info || !nca_fs_ctx) return;
u32 pfs_entry_count = 0;
PartitionFileSystemContext pfs_ctx = {0};
PartitionFileSystemEntry *pfs_entry = NULL;
char *pfs_entry_name = NULL;
size_t path_len = 0;
*path = '\0';
if (!pfsInitializeContext(&pfs_ctx, nca_fs_ctx))
{
consolePrint("pfs initialize ctx failed!\n");
goto end;
}
if (!(pfs_entry_count = pfsGetEntryCount(&pfs_ctx)))
{
consolePrint("pfs entry count is zero!\n");
goto end;
}
snprintf(path, sizeof(path), OUTPATH "/%016lX - %s/%s (%s)/Section %u (%s)", info->meta_key.id, info->app_metadata->lang_entry.name, ((NcaContext*)nca_fs_ctx->nca_ctx)->content_id_str, \
titleGetNcmContentTypeName(((NcaContext*)nca_fs_ctx->nca_ctx)->content_type), nca_fs_ctx->section_num, ncaGetFsSectionTypeName(nca_fs_ctx));
utilsCreateDirectoryTree(path, true);
path_len = strlen(path);
for(u32 i = 0; i < pfs_entry_count; i++)
{
if (!(pfs_entry = pfsGetEntryByIndex(&pfs_ctx, i)) || !(pfs_entry_name = pfsGetEntryNameByIndex(&pfs_ctx, i)) || !strlen(pfs_entry_name))
{
consolePrint("pfs get entry / get name #%u failed!\n", i);
goto end;
}
path[path_len] = '\0';
strcat(path, "/");
strcat(path, pfs_entry_name);
utilsReplaceIllegalCharacters(path + path_len + 1, true);
filefd = fopen(path, "wb");
if (!filefd)
{
consolePrint("failed to create \"%s\"!\n", path);
goto end;
}
consolePrint("dumping \"%s\"...\n", pfs_entry_name);
u64 blksize = BLOCK_SIZE;
for(u64 j = 0; j < pfs_entry->size; j += blksize)
{
if (blksize > (pfs_entry->size - j)) blksize = (pfs_entry->size - j);
if (!pfsReadEntryData(&pfs_ctx, pfs_entry, buf, blksize, j))
{
consolePrint("failed to read 0x%lX block from offset 0x%lX!\n", blksize, j);
goto end;
}
fwrite(buf, 1, blksize, filefd);
}
fclose(filefd);
filefd = NULL;
}
consolePrint("pfs dump complete\n");
end:
if (filefd)
{
fclose(filefd);
remove(path);
}
if (*path) utilsCommitFileSystemChangesByPath(path);
pfsFreeContext(&pfs_ctx);
}
static void dumpRomFs(TitleInfo *info, NcaFsSectionContext *nca_fs_ctx)
{
if (!buf || !info || !nca_fs_ctx) return;
u64 romfs_file_table_offset = 0;
RomFileSystemContext romfs_ctx = {0};
RomFileSystemFileEntry *romfs_file_entry = NULL;
size_t path_len = 0;
*path = '\0';
if (!romfsInitializeContext(&romfs_ctx, nca_fs_ctx))
{
consolePrint("romfs initialize ctx failed!\n");
goto end;
}
snprintf(path, sizeof(path), OUTPATH "/%016lX - %s/%s (%s)/Section %u (%s)", info->meta_key.id, info->app_metadata->lang_entry.name, ((NcaContext*)nca_fs_ctx->nca_ctx)->content_id_str, \
titleGetNcmContentTypeName(((NcaContext*)nca_fs_ctx->nca_ctx)->content_type), nca_fs_ctx->section_num, ncaGetFsSectionTypeName(nca_fs_ctx));
utilsCreateDirectoryTree(path, true);
path_len = strlen(path);
while(romfs_file_table_offset < romfs_ctx.file_table_size)
{
if (!(romfs_file_entry = romfsGetFileEntryByOffset(&romfs_ctx, romfs_file_table_offset)) || \
!romfsGeneratePathFromFileEntry(&romfs_ctx, romfs_file_entry, path + path_len, sizeof(path) - path_len, RomFileSystemPathIllegalCharReplaceType_KeepAsciiCharsOnly))
{
consolePrint("romfs get entry / generate path failed for 0x%lX!\n", romfs_file_table_offset);
goto end;
}
utilsCreateDirectoryTree(path, false);
filefd = fopen(path, "wb");
if (!filefd)
{
consolePrint("failed to create \"%s\"!\n", path);
goto end;
}
consolePrint("dumping \"%s\"...\n", path + path_len);
u64 blksize = BLOCK_SIZE;
for(u64 j = 0; j < romfs_file_entry->size; j += blksize)
{
if (blksize > (romfs_file_entry->size - j)) blksize = (romfs_file_entry->size - j);
if (!romfsReadFileEntryData(&romfs_ctx, romfs_file_entry, buf, blksize, j))
{
consolePrint("failed to read 0x%lX block from offset 0x%lX!\n", blksize, j);
goto end;
}
fwrite(buf, 1, blksize, filefd);
}
fclose(filefd);
filefd = NULL;
romfs_file_table_offset += ALIGN_UP(sizeof(RomFileSystemFileEntry) + romfs_file_entry->name_length, 4);
}
consolePrint("romfs dump complete\n");
end:
if (filefd)
{
fclose(filefd);
remove(path);
}
if (*path) utilsCommitFileSystemChangesByPath(path);
romfsFreeContext(&romfs_ctx);
}
static void dumpFsSection(TitleInfo *info, NcaFsSectionContext *nca_fs_ctx)
{
if (!buf || !info || !nca_fs_ctx) return;
switch(nca_fs_ctx->section_type)
{
case NcaFsSectionType_PartitionFs:
dumpPartitionFs(info, nca_fs_ctx);
break;
case NcaFsSectionType_RomFs:
case NcaFsSectionType_Nca0RomFs:
dumpRomFs(info, nca_fs_ctx);
break;
default:
consolePrint("invalid section type!\n");
break;
}
}
int main(int argc, char *argv[])
{
(void)argc;
(void)argv;
int ret = 0;
utilsWriteLogBufferToLogFile("________________________________________________________________\r\n");
LOGFILE(APP_TITLE " starting.");
consoleInit(NULL);
consolePrint("initializing...\n");
if (!utilsInitializeResources())
{
ret = -1;
goto out;
}
u32 app_count = 0;
TitleApplicationMetadata **app_metadata = NULL;
TitleInfo *cur_title_info = NULL;
u32 selected_idx = 0, menu = 0, page_size = 30, scroll = 0;
u32 title_idx = 0, title_scroll = 0, nca_idx = 0;
char nca_id_str[0x21] = {0};
NcaContext *nca_ctx = NULL;
Ticket tik = {0};
app_metadata = titleGetApplicationMetadataEntries(true, &app_count);
if (!app_metadata || !app_count)
{
consolePrint("app metadata failed\n");
goto out2;
}
consolePrint("app metadata succeeded\n");
buf = malloc(BLOCK_SIZE);
if (!buf)
{
consolePrint("buf failed\n");
goto out2;
}
consolePrint("buf succeeded\n");
nca_ctx = calloc(1, sizeof(NcaContext));
if (!nca_ctx)
{
consolePrint("nca ctx buf failed\n");
goto out2;
}
consolePrint("nca ctx buf succeeded\n");
utilsSleep(1);
while(true)
{
consoleClear();
printf("select a %s.", menu == 0 ? "system title to view its contents" : (menu == 1 ? "content" : "fs section"));
printf("\npress b to %s.\n\n", menu == 0 ? "exit" : "go back");
if (menu == 0)
{
printf("title: %u / %u\n", selected_idx + 1, app_count);
printf("selected title: %016lX - %s\n\n", app_metadata[selected_idx]->title_id, app_metadata[selected_idx]->lang_entry.name);
}
if (menu >= 1) printf("selected title: %016lX - %s\n\n", app_metadata[title_idx]->title_id, app_metadata[title_idx]->lang_entry.name);
if (menu == 2) printf("selected content: %s (%s)\n\n", nca_id_str, titleGetNcmContentTypeName(cur_title_info->content_infos[nca_idx].content_type));
u32 max_val = (menu == 0 ? app_count : (menu == 1 ? cur_title_info->content_count : NCA_FS_HEADER_COUNT));
for(u32 i = scroll; i < max_val; i++)
{
if (i >= (scroll + page_size)) break;
printf("%s", i == selected_idx ? " -> " : " ");
if (menu == 0)
{
printf("%016lX - %s\n", app_metadata[i]->title_id, app_metadata[i]->lang_entry.name);
} else
if (menu == 1)
{
utilsGenerateHexStringFromData(nca_id_str, sizeof(nca_id_str), cur_title_info->content_infos[i].content_id.c, SHA256_HASH_SIZE / 2);
printf("%s (%s)\n", nca_id_str, titleGetNcmContentTypeName(cur_title_info->content_infos[i].content_type));
} else
if (menu == 2)
{
printf("fs section #%u (%s)\n", i + 1, ncaGetFsSectionTypeName(&(nca_ctx->fs_contexts[i])));
}
}
printf("\n");
consoleUpdate(NULL);
u64 btn_down = 0, btn_held = 0;
while(!btn_down && !btn_held)
{
hidScanInput();
btn_down = utilsHidKeysAllDown();
btn_held = utilsHidKeysAllHeld();
}
if (btn_down & KEY_A)
{
bool error = false;
if (menu == 0)
{
title_idx = selected_idx;
title_scroll = scroll;
} else
if (menu == 1)
{
nca_idx = selected_idx;
utilsGenerateHexStringFromData(nca_id_str, sizeof(nca_id_str), cur_title_info->content_infos[nca_idx].content_id.c, SHA256_HASH_SIZE / 2);
}
menu++;
if (menu == 1)
{
cur_title_info = titleGetInfoFromStorageByTitleId(NcmStorageId_BuiltInSystem, app_metadata[title_idx]->title_id);
if (!cur_title_info)
{
consolePrint("failed to get title info\n");
error = true;
}
} else
if (menu == 2)
{
if (!ncaInitializeContext(nca_ctx, cur_title_info->storage_id, 0, &(cur_title_info->content_infos[nca_idx]), &tik))
{
consolePrint("nca initialize ctx failed\n");
error = true;
}
} else
if (menu == 3)
{
consoleClear();
utilsChangeHomeButtonBlockStatus(true);
dumpFsSection(cur_title_info, &(nca_ctx->fs_contexts[selected_idx]));
utilsChangeHomeButtonBlockStatus(false);
}
if (error || menu >= 3)
{
consolePrint("press any button to continue\n");
utilsWaitForButtonPress(KEY_NONE);
menu--;
} else {
selected_idx = scroll = 0;
}
} else
if ((btn_down & KEY_DDOWN) || (btn_held & (KEY_LSTICK_DOWN | KEY_RSTICK_DOWN)))
{
selected_idx++;
if (selected_idx >= max_val)
{
if (btn_down & KEY_DDOWN)
{
selected_idx = scroll = 0;
} else {
selected_idx = (max_val - 1);
}
} else
if (selected_idx >= (scroll + (page_size / 2)) && max_val > (scroll + page_size))
{
scroll++;
}
} else
if ((btn_down & KEY_DUP) || (btn_held & (KEY_LSTICK_UP | KEY_RSTICK_UP)))
{
selected_idx--;
if (selected_idx == UINT32_MAX)
{
if (btn_down & KEY_DUP)
{
selected_idx = (max_val - 1);
scroll = (max_val >= page_size ? (max_val - page_size) : 0);
} else {
selected_idx = 0;
}
} else
if (selected_idx < (scroll + (page_size / 2)) && scroll > 0)
{
scroll--;
}
} else
if (btn_down & KEY_B)
{
menu--;
if (menu == UINT32_MAX)
{
break;
} else {
selected_idx = (menu == 0 ? title_idx : nca_idx);
scroll = (menu == 0 ? title_scroll : 0);
}
}
if (btn_held & (KEY_LSTICK_DOWN | KEY_RSTICK_DOWN | KEY_LSTICK_UP | KEY_RSTICK_UP)) svcSleepThread(50000000); // 50 ms
}
out2:
if (menu != UINT32_MAX)
{
consolePrint("press any button to exit\n");
utilsWaitForButtonPress(KEY_NONE);
}
if (nca_ctx) free(nca_ctx);
if (buf) free(buf);
if (app_metadata) free(app_metadata);
out:
utilsCloseResources();
consoleExit(NULL);
return ret;
}