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Code Issues Releases Activity

Implement broken™️ firmware dumping

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Such Meme, Many Skill 2019-08-20 19:39:30 +02:00
parent 9281e4bbbc
commit d4eb56a35f
7 changed files with 118 additions and 31 deletions
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14
source/meme/external_utils.c
View file

@ -91,7 +91,7 @@ int launch_payload(char *path, bool update){
return 4;
}
void dump_biskeys(u8 bis_key[4][32]){
int dump_biskeys(u8 bis_key[4][32]){
u8 temp_key[0x10], device_key[0x10] = {0};
tsec_ctxt_t tsec_ctxt;
@ -106,7 +106,7 @@ void dump_biskeys(u8 bis_key[4][32]){
const pkg1_id_t *pkg1_id = pkg1_identify(pkg1);
if (!pkg1_id) {
EPRINTF("Unknown pkg1 version.");
return;
return -1;
}
bool found_tsec_fw = false;
@ -119,7 +119,7 @@ void dump_biskeys(u8 bis_key[4][32]){
}
if (!found_tsec_fw) {
EPRINTF("Failed to locate TSEC firmware.");
return;
return -1;
}
u8 tsec_keys[0x10] = {0};
@ -150,7 +150,7 @@ void dump_biskeys(u8 bis_key[4][32]){
if (res < 0) {
gfx_printf("ERROR %x dumping TSEC.\n", res);
return;
return -1;
}
u32 sbk[4] = {FUSE(FUSE_PRIVATE_KEY0), FUSE(FUSE_PRIVATE_KEY1),
@ -209,15 +209,15 @@ void dump_biskeys(u8 bis_key[4][32]){
system_part = nx_emmc_part_find(&gpt, "SYSTEM");
if (!system_part) {
gfx_printf("Failed to locate SYSTEM partition.");
return;
return -1;
}
__attribute__ ((aligned (16))) FATFS emmc_fs;
if (f_mount(&emmc_fs, "emmc:", 1)) {
gfx_printf("Mount failed.");
return;
return -1;
}
return;
return pkg1_id->kb;
}
static void _generate_kek(u32 ks, const void *key_source, void *master_key, const void *kek_seed, const void *key_seed) {

2
source/meme/external_utils.h
View file

@ -15,7 +15,7 @@
#include "../utils/types.h"
int launch_payload(char *path, int update);
void dump_biskeys(u8 bis_key[4][32]);
int dump_biskeys(u8 bis_key[4][32]);
static const u8 zeros[0x10] = {0};

17
source/meme/main.c
View file

@ -7,21 +7,19 @@
#include "main.h"
#include "mainfunctions.h"
#include "../libs/fatfs/ff.h"
#include "../storage/sdmmc.h"
#include "../utils/util.h"
#include "../sec/se.h"
#include "graphics.h"
#include "external_utils.h"
extern bool sd_mount();
extern void sd_unmount();
static u8 bis_keys[4][0x20];
static u32 bis_keys[4][8];
void meme_main(){
utils_gfx_init();
//dump_keys();
/*
sdmmc_storage_t storage;
sdmmc_t sdmmc;
@ -29,7 +27,8 @@ void meme_main(){
sdmmc_storage_init_mmc(&storage, &sdmmc, SDMMC_4, SDMMC_BUS_WIDTH_8, 4);
sdmmc_storage_set_mmc_partition(&storage, 1); */
dump_biskeys(bis_keys); // add succeed check
int firmver = -1;
firmver = dump_biskeys(bis_keys); // add succeed check
char *options[6];
char *itemsinfolder[1000];
@ -77,8 +76,8 @@ void meme_main(){
meme_clearscreen();
addchartoarray("Back", options, 0);
addchartoarray("\nPrint BISKEYS", options, 1);
if (!sd_mounted) addchartoarray("Mount SD", options, 2);
ret = gfx_menulist(32, options, 2);
addchartoarray("Dump firmware", options, 2);
ret = gfx_menulist(32, options, 3);
switch(ret){
case 2:
meme_clearscreen();
@ -90,6 +89,10 @@ void meme_main(){
gfx_hexdump(0, bis_keys[2], 0x20 * sizeof(u8));
btn_wait();
break;
case 3:
ret = messagebox("\nThis will dump your firmware to your sd!\nThis might take a while\n\nVol-/+ to cancel\nPower to continue...");
if (ret == 0) wtf(itemsinfolder, muhbits);
break;
}
}
else {

72
source/meme/mainfunctions.c
View file

@ -1,4 +1,5 @@
#include <string.h>
#include <stdio.h>
#include "../gfx/di.h"
#include "../gfx/gfx.h"
#include "../utils/btn.h"
@ -68,12 +69,81 @@ int _openfilemenu(char *path, char *clipboardpath){
return ret;
}
int dumpfirmware(char *items[], unsigned int *muhbits){
DIR dir;
FILINFO fno;
char path[28] = "emmc:/Contents/registered";
char sdpath[28] = "sd:/tegraexplorer/firmware";
char tempnand[100] = "";
char tempsd[100] = "";
int ret = 0, i = 0, foldersize = 0;
meme_clearscreen();
gfx_printf("\nStarting copy of firmware\n\n");
f_mkdir("sd:/tegraexplorer");
f_mkdir("sd:/tegraexplorer/firmware");
readfolder(items, muhbits, path);
if (f_opendir(&dir, path)) {
messagebox("Failed to open directory!");
return -1;
}
while (!f_readdir(&dir, &fno) && fno.fname[0]){
addchartoarray(fno.fname, items, foldersize);
mallocandaddfolderbit(muhbits, foldersize, fno.fattrib & AM_DIR);
foldersize++;
}
f_closedir(&dir);
for (i = 0; i <= foldersize; i++){
if (muhbits[i] & AM_DIR){
sprintf(tempnand, "%s/%s", path, items[i]);
if(f_opendir(&dir, tempnand)){
messagebox("Failure opening folder");
return -2;
}
sprintf(tempnand, "%s/%s/00", path, items[i]);
sprintf(tempsd, "%s/%s", sdpath, items[i]);
//messagebox(tempnand);
//dumptosd(tempnand);
//btn_wait();
//messagebox(tempsd);
ret = copy(tempnand, tempsd, 0);
if (ret != 0) {
messagebox("Copy failed! (infolder)");
return 1;
}
f_closedir(&dir);
}
else {
sprintf(tempnand, "%s/%s", path, items[i]);
sprintf(tempsd, "%s/%s", sdpath, items[i]);
ret = copy(tempnand, tempsd, 0);
if (ret != 0) {
messagebox("Copy failed! (infile)");
return 1;
}
}
gfx_printf("Copied %d / %d nca files\r", i + 1, foldersize + 1);
}
return 0;
}
void wtf(char *items[], unsigned int *muhbits){
dumpfirmware(items, muhbits); // DOESNT WORK
}
void sdexplorer(char *items[], unsigned int *muhbits, char *rootpath){
//dumpfirmware(items, muhbits); // WORKS ?!?!?!?!
int value = 1;
int copymode = -1;
int folderamount = 0;
char path[PATHSIZE] = "";
char clipboard[PATHSIZE] = "";
static char clipboard[PATHSIZE + 1] = "";
strcpy(path, rootpath);
char app[20], rpp[20];
int temp = -1;

4
source/meme/mainfunctions.h
View file

@ -1,3 +1,5 @@
#pragma once
void sdexplorer(char *items[], unsigned int *muhbits, char *rootpath);
void sdexplorer(char *items[], unsigned int *muhbits, char *rootpath);
int dumpfirmware(char *items[], unsigned int *muhbits);
void wtf(char *items[], unsigned int *muhbits);

35
source/meme/utils.c
View file

@ -9,6 +9,7 @@
#include "../libs/fatfs/ff.h"
#include "../storage/sdmmc.h"
#include "graphics.h"
#include "external_utils.h"
void utils_gfx_init(){
display_backlight_brightness(100, 1000);
@ -40,7 +41,7 @@ int dumptosd(const char *path){
sprintf(pathname, "%s%s", "sd:/tegraexplorer/nanddump", foldername);
f_mkdir(pathname);
sprintf(pathname, "%s%s%s%s", "sd:/tegraexplorer/nanddump", foldername, "/", fno.fname);
res = copy(path, pathname);
res = copy(path, pathname, 1);
return res;
}
@ -90,7 +91,7 @@ void addchartoarray(char *add, char *items[], int spot){
strlcpy(items[spot], add, size);
}
void _mallocandaddfolderbit(unsigned int *muhbits, int spot, bool value){
void mallocandaddfolderbit(unsigned int *muhbits, int spot, bool value){
muhbits[spot] = (unsigned int) malloc (sizeof(int));
if (value) muhbits[spot] |= (OPTION1);
//ff.h line 368
@ -102,8 +103,8 @@ int readfolder(char *items[], unsigned int *muhbits, const char *path){
int i = 2;
addchartoarray("Current folder -> One folder up", items, 0);
addchartoarray("Clipboard -> Current folder", items, 1);
_mallocandaddfolderbit(muhbits, 0, true);
_mallocandaddfolderbit(muhbits, 1, true);
mallocandaddfolderbit(muhbits, 0, true);
mallocandaddfolderbit(muhbits, 1, true);
if (f_opendir(&dir, path)) {
@ -113,7 +114,7 @@ int readfolder(char *items[], unsigned int *muhbits, const char *path){
else {
while (!f_readdir(&dir, &fno) && fno.fname[0]){
addchartoarray(fno.fname, items, i);
_mallocandaddfolderbit(muhbits, i, fno.fattrib & AM_DIR);
mallocandaddfolderbit(muhbits, i, fno.fattrib & AM_DIR);
i++;
}
}
@ -121,15 +122,21 @@ int readfolder(char *items[], unsigned int *muhbits, const char *path){
return i;
}
int copy(const char *src, const char *dst){
int copy(const char *src, const char *dst, int print){
FIL in;
FIL out;
unsigned int res = 0;
char temp[100];
if (strcmp(src, dst) == 0){
//in and out are the same, aborting!
return 2;
}
if (f_open(&in, src, FA_READ) != FR_OK){
res = f_open(&in, src, FA_READ | FA_OPEN_EXISTING);
if (res != FR_OK){
//something has gone wrong
//sprintf(temp, "%s %d", src, res);
//messagebox(temp);
return 1;
}
if (f_open(&out, dst, FA_CREATE_ALWAYS | FA_WRITE) != FR_OK){
@ -143,8 +150,10 @@ int copy(const char *src, const char *dst){
void *buff = malloc(BUFFSIZ);
int mbwritten = 0, percentage = 0;
bool abort = false;
meme_clearscreen();
gfx_printf("press VOL- to abort the file transfer!\n\n");
if (print == 1) {
meme_clearscreen();
gfx_printf("press VOL- to abort the file transfer!\n\n");
}
while(size > BUFFSIZ){
int res1, res2;
res1 = f_read(&in, buff, BUFFSIZ, NULL);
@ -154,9 +163,11 @@ int copy(const char *src, const char *dst){
mbwritten = kbwritten / 1024;
percentage = (mbwritten * 100) / ((totalsize / 1024) / 1024);
gfx_printf("Written %dMB [%k%d%k%%]\r", mbwritten, COLOR_GREEN, percentage, COLOR_WHITE);
size = size - BUFFSIZ;
if (btn_read() & BTN_VOL_DOWN) size = 0, abort = true;
if (print == 1){
gfx_printf("Written %dMB [%k%d%k%%]\r", mbwritten, COLOR_GREEN, percentage, COLOR_WHITE);
if (btn_read() & BTN_VOL_DOWN) size = 0, abort = true;
}
}
if(size != 0){
@ -184,7 +195,7 @@ int copywithpath(const char *src, const char *dstpath, int mode, char *app){
if (strcmp(dstpath, app) != 0) strcat(dst, "/");
strcat(dst, fno.fname);
int ret = -1;
if (mode == 0) ret = copy(src, dst);
if (mode == 0) ret = copy(src, dst, 1);
if (mode == 1) f_rename(src, dst);
return ret;
}

5
source/meme/utils.h
View file

@ -11,9 +11,10 @@ void utils_gfx_init();
void removepartpath(char *path, char *root);
void addpartpath(char *path, char *add, char *root);
int readfolder(char *items[], unsigned int *muhbits, const char *path);
int copy(const char *src, const char *dst);
int copy(const char *src, const char *dst, int print);
void addchartoarray(char *add, char *items[], int spot);
int copywithpath(const char *src, const char *dstpath, int mode, char *app);
void return_readable_byte_amounts(unsigned long int size, char *in);
int getfilesize(const char *path);
int dumptosd(const char *path);
int dumptosd(const char *path);
void mallocandaddfolderbit(unsigned int *muhbits, int spot, bool value);