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nxdumptool/source/main.c
2020-04-29 06:55:20 -04:00

350 lines
8.8 KiB
C

/*
* Copyright (c) 2020 DarkMatterCore
*
* This program 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.
*
* This program 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <switch.h>
//#include "lvgl_helper.h"
#include "utils.h"
#include <dirent.h>
#include "nca.h"
#include "pfs.h"
#include "romfs.h"
#include "rsa.h"
int main(int argc, char *argv[])
{
(void)argc;
(void)argv;
int ret = 0;
LOGFILE("nxdumptool starting.");
if (!utilsInitializeResources())
{
ret = -1;
goto out;
}
/*lv_test();
while(appletMainLoop())
{
lv_task_handler();
if (lvglHelperGetExitFlag()) break;
}*/
consoleInit(NULL);
printf("initializing...\n");
consoleUpdate(NULL);
u8 *buf = NULL;
FILE *tmp_file = NULL;
Ticket tik = {0};
NcaContext *nca_ctx = NULL;
NcmContentStorage ncm_storage = {0};
Result rc = 0;
mkdir("sdmc:/nxdt_test", 0744);
/*FsRightsId rights_id = {
.c = { 0x01, 0x00, 0x82, 0x40, 0x0B, 0xCC, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08 } // Untitled Goose Game
};*/
// Untitled Goose Game's Program NCA
NcmPackagedContentInfo content_info = {
.hash = {
0x8E, 0xF9, 0x20, 0xD4, 0x5E, 0xE1, 0x9E, 0xD1, 0xD2, 0x04, 0xC4, 0xC8, 0x22, 0x50, 0x79, 0xE8,
0xD3, 0xE2, 0xE2, 0xA0, 0x66, 0xFD, 0x2B, 0xB6, 0x5C, 0x73, 0xF6, 0x89, 0xE2, 0x25, 0x0A, 0x82
},
.info = {
.content_id = {
.c = { 0x8E, 0xF9, 0x20, 0xD4, 0x5E, 0xE1, 0x9E, 0xD1, 0xD2, 0x04, 0xC4, 0xC8, 0x22, 0x50, 0x79, 0xE8 }
},
.size = {
0x00, 0x40, 0xAD, 0x31, 0x00, 0x00
},
.content_type = NcmContentType_Program,
.id_offset = 0
}
};
// Untitled Goose Game's Control NCA
/*NcmPackagedContentInfo content_info = {
.hash = {
0xCE, 0x6E, 0x17, 0x1F, 0x93, 0x2D, 0x29, 0x28, 0xC1, 0x62, 0x94, 0x5B, 0x86, 0x2C, 0x42, 0x93,
0xAC, 0x2C, 0x0D, 0x3E, 0xD7, 0xCE, 0x07, 0xA2, 0x34, 0x33, 0x43, 0xD9, 0x21, 0x8A, 0xA3, 0xFE
},
.info = {
.content_id = {
.c = { 0xCE, 0x6E, 0x17, 0x1F, 0x93, 0x2D, 0x29, 0x28, 0xC1, 0x62, 0x94, 0x5B, 0x86, 0x2C, 0x42, 0x93 }
},
.size = {
0x00, 0x74, 0x0A, 0x00, 0x00, 0x00
},
.content_type = NcmContentType_Control,
.id_offset = 0
}
};*/
PartitionFileSystemEntry *pfs_entry = NULL;
PartitionFileSystemContext pfs_ctx = {0};
NcaHierarchicalSha256Patch pfs_patch = {0};
buf = malloc(0x400000);
if (!buf)
{
printf("read buf failed\n");
goto out2;
}
printf("read buf succeeded\n");
consoleUpdate(NULL);
nca_ctx = calloc(1, sizeof(NcaContext));
if (!nca_ctx)
{
printf("nca ctx buf failed\n");
goto out2;
}
printf("nca ctx buf succeeded\n");
consoleUpdate(NULL);
rc = ncmOpenContentStorage(&ncm_storage, NcmStorageId_SdCard);
if (R_FAILED(rc))
{
printf("ncm open storage failed\n");
goto out2;
}
printf("ncm open storage succeeded\n");
consoleUpdate(NULL);
if (!ncaInitializeContext(nca_ctx, NcmStorageId_SdCard, &ncm_storage, 0, &content_info, &tik))
{
printf("nca initialize ctx failed\n");
goto out2;
}
tmp_file = fopen("sdmc:/nxdt_test/nca_ctx.bin", "wb");
if (tmp_file)
{
fwrite(nca_ctx, 1, sizeof(NcaContext), tmp_file);
fclose(tmp_file);
tmp_file = NULL;
printf("nca ctx saved\n");
} else {
printf("nca ctx not saved\n");
}
consoleUpdate(NULL);
if (!pfsInitializeContext(&pfs_ctx, &(nca_ctx->fs_contexts[0])))
{
printf("pfs initialize ctx failed\n");
goto out2;
}
printf("pfs initialize ctx succeeded\n");
consoleUpdate(NULL);
tmp_file = fopen("sdmc:/nxdt_test/pfs_ctx.bin", "wb");
if (tmp_file)
{
fwrite(&pfs_ctx, 1, sizeof(PartitionFileSystemContext), tmp_file);
fclose(tmp_file);
tmp_file = NULL;
printf("pfs ctx saved\n");
} else {
printf("pfs ctx not saved\n");
}
consoleUpdate(NULL);
tmp_file = fopen("sdmc:/nxdt_test/pfs_header.bin", "wb");
if (tmp_file)
{
fwrite(pfs_ctx.header, 1, pfs_ctx.header_size, tmp_file);
fclose(tmp_file);
tmp_file = NULL;
printf("pfs header saved\n");
} else {
printf("pfs header not saved\n");
}
consoleUpdate(NULL);
pfs_entry = pfsGetEntryByName(&pfs_ctx, "main.npdm");
if (!pfs_entry)
{
printf("pfs get entry by name failed\n");
goto out2;
}
printf("pfs get entry by name succeeded\n");
consoleUpdate(NULL);
if (!pfsReadEntryData(&pfs_ctx, pfs_entry, buf, pfs_entry->size, 0))
{
printf("pfs read entry data failed\n");
goto out2;
}
printf("pfs read entry data succeeded\n");
consoleUpdate(NULL);
tmp_file = fopen("sdmc:/nxdt_test/main.npdm", "wb");
if (tmp_file)
{
fwrite(buf, 1, pfs_entry->size, tmp_file);
fclose(tmp_file);
tmp_file = NULL;
printf("main.npdm saved\n");
} else {
printf("main.npdm not saved\n");
}
consoleUpdate(NULL);
u32 acid_offset = 0;
memcpy(&acid_offset, buf + 0x78, sizeof(u32));
memcpy(buf + acid_offset + RSA2048_SIGNATURE_SIZE, rsa2048GetCustomAcidPublicKey(), RSA2048_SIGNATURE_SIZE);
tmp_file = fopen("sdmc:/nxdt_test/main_mod.npdm", "wb");
if (tmp_file)
{
fwrite(buf, 1, pfs_entry->size, tmp_file);
fclose(tmp_file);
tmp_file = NULL;
printf("main_mod.npdm saved\n");
} else {
printf("main_mod.npdm not saved\n");
}
consoleUpdate(NULL);
if (!pfsGenerateEntryPatch(&pfs_ctx, pfs_entry, buf + acid_offset + RSA2048_SIGNATURE_SIZE, RSA2048_SIGNATURE_SIZE, acid_offset + RSA2048_SIGNATURE_SIZE, &pfs_patch))
{
printf("pfs entry patch failed\n");
goto out2;
}
printf("pfs entry patch succeeded\n");
consoleUpdate(NULL);
tmp_file = fopen("sdmc:/nxdt_test/pfs_patch.bin", "wb");
if (tmp_file)
{
fwrite(&pfs_patch, 1, sizeof(NcaHierarchicalSha256Patch), tmp_file);
fclose(tmp_file);
tmp_file = NULL;
printf("pfs patch saved\n");
} else {
printf("pfs patch not saved\n");
}
for(u8 i = 0; i < 2; i++)
{
NcaHashInfoLayerPatch *layer_patch = (i == 0 ? &(pfs_patch.hash_data_layer_patch) : &(pfs_patch.hash_target_layer_patch));
if (!layer_patch->size || !layer_patch->data) continue;
char path[64];
sprintf(path, "sdmc:/nxdt_test/pfs_patch_l%u.bin", i);
tmp_file = fopen(path, "wb");
if (tmp_file)
{
fwrite(layer_patch->data, 1, layer_patch->size, tmp_file);
fclose(tmp_file);
tmp_file = NULL;
printf("pfs patch #%u saved\n", i);
} else {
printf("pfs patch #%u not saved\n", i);
}
consoleUpdate(NULL);
}
if (!ncaEncryptHeader(nca_ctx))
{
printf("nca header mod not encrypted\n");
goto out2;
}
printf("nca header mod encrypted\n");
consoleUpdate(NULL);
tmp_file = fopen("sdmc:/nxdt_test/nca_header_mod.bin", "wb");
if (tmp_file)
{
fwrite(&(nca_ctx->header), 1, sizeof(NcaHeader), tmp_file);
fclose(tmp_file);
tmp_file = NULL;
printf("nca header mod saved\n");
} else {
printf("nca header mod not saved\n");
}
out2:
while(appletMainLoop())
{
consoleUpdate(NULL);
hidScanInput();
if (utilsHidKeysAllDown() & KEY_A) break;
}
if (tmp_file) fclose(tmp_file);
ncaFreeHierarchicalSha256Patch(&pfs_patch);
pfsFreeContext(&pfs_ctx);
if (serviceIsActive(&(ncm_storage.s))) ncmContentStorageClose(&ncm_storage);
if (nca_ctx) free(nca_ctx);
if (buf) free(buf);
consoleExit(NULL);
out:
utilsCloseResources();
return ret;
}