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Hacker voice: *i'm in* (to the emmc)

This commit is contained in:
SuchMemeManySkill 2020-12-26 23:41:25 +01:00
parent 07540b4651
commit 831adc0080
8 changed files with 116 additions and 17 deletions

View file

@ -25,6 +25,7 @@ const char *TEErrors[] = {
[TE_EXCEPTION_DATA_ABORT - 1] = "E Data abort",
[TE_ERR_SAME_LOC - 1] = "Same copy location",
[TE_ERR_KEYDUMP_FAIL - 1] = "Keydump failed",
[TE_ERR_PARTITION_NOT_FOUND - 1] = "Failed to find partition"
};
const char *GetErrStr(u32 err){

View file

@ -14,7 +14,8 @@ enum {
TE_EXCEPTION_PREF_ABORT,
TE_EXCEPTION_DATA_ABORT,
TE_ERR_SAME_LOC,
TE_ERR_KEYDUMP_FAIL
TE_ERR_KEYDUMP_FAIL,
TE_ERR_PARTITION_NOT_FOUND,
};
#define newErrCode(err) (ErrCode_t) {err, __LINE__, __FILE__}

View file

@ -28,6 +28,7 @@
#include <utils/util.h>
#include "../gfx/gfx.h"
#include "../tegraexplorer/tconf.h"
#include "../storage/mountmanager.h"
#include "key_sources.inl"
@ -213,12 +214,16 @@ static bool _derive_tsec_keys(tsec_ctxt_t *tsec_ctxt, u32 kb, key_derivation_ctx
return true;
}
static ALWAYS_INLINE u8 *_read_pkg1(sdmmc_t *sdmmc, const pkg1_id_t **pkg1_id) {
static ALWAYS_INLINE u8 *_read_pkg1(const pkg1_id_t **pkg1_id) {
if (emummc_storage_init_mmc(&emmc_storage, sdmmc)) {
/*
if (emummc_storage_init_mmc(&emmc_storage, &emmc_sdmmc)) {
DPRINTF("Unable to init MMC.");
return NULL;
}
*/
if (connectMMC(MMC_CONN_EMMC))
return NULL;
// Read package1.
u8 *pkg1 = (u8 *)malloc(PKG1_MAX_SIZE);
@ -248,14 +253,15 @@ int DumpKeys(){
if (h_cfg.t210b01) // i'm not even attempting to dump on mariko
return 2;
sdmmc_t sdmmc;
const pkg1_id_t *pkg1_id;
u8 *pkg1 = _read_pkg1(&sdmmc, &pkg1_id);
u8 *pkg1 = _read_pkg1(&pkg1_id);
if (!pkg1) {
return 1;
}
TConf.pkg1ID = pkg1_id->id;
TConf.pkg1ver = (u8)pkg1_id->kb;
bool res = true;
tsec_ctxt_t tsec_ctxt;
@ -271,13 +277,13 @@ int DumpKeys(){
return 1;
_derive_bis_keys(&dumpedKeys);
_derive_misc_keys(&dumpedKeys);
return 0;
}
void PrintKey(u8 *key, u32 len){
//gfx_con.fntsz = 8;
for (int i = 0; i < len; i++){
gfx_printf("%02x", key[i]);
}
gfx_con.fntsz = 16;
}

View file

@ -51,6 +51,7 @@
#include <soc/pmc.h>
#include "keys/keys.h"
#include "keys/keyfile.h"
#include "storage/mountmanager.h"
hekate_config h_cfg;
@ -297,6 +298,9 @@ void ipl_main()
if (res > 0)
DrawError(newErrCode(TE_ERR_KEYDUMP_FAIL));
if (TConf.keysDumped)
SetKeySlots();
if (res == 0)
hidWait();
EnterMainMenu();

View file

@ -0,0 +1,58 @@
#include "mountmanager.h"
#include "emummc.h"
#include "../tegraexplorer/tconf.h"
#include "nx_emmc.h"
#include "../keys/keys.h"
#include <sec/se.h>
#include <libs/fatfs/ff.h>
#include "nx_emmc_bis.h"
void SetKeySlots(){
if (TConf.keysDumped){
se_aes_key_set(0, dumpedKeys.bis_key[0], AES_128_KEY_SIZE);
se_aes_key_set(1, dumpedKeys.bis_key[0] + AES_128_KEY_SIZE, AES_128_KEY_SIZE);
se_aes_key_set(2, dumpedKeys.bis_key[1], AES_128_KEY_SIZE);
se_aes_key_set(3, dumpedKeys.bis_key[1] + AES_128_KEY_SIZE, AES_128_KEY_SIZE);
se_aes_key_set(4, dumpedKeys.bis_key[2], AES_128_KEY_SIZE);
se_aes_key_set(5, dumpedKeys.bis_key[2] + AES_128_KEY_SIZE, AES_128_KEY_SIZE);
}
}
void disconnectMMC(){
if (TConf.connectedMMCMounted)
f_unmount("bis:");
TConf.connectedMMCMounted = 0;
emummc_storage_end(&emmc_storage);
}
int connectMMC(u8 mmcType){
if (mmcType == TConf.currentMMCConnected)
return 0;
//disconnectMMC();
emu_cfg.enabled = (mmcType == MMC_CONN_EMMC) ? 0 : 1;
int res = emummc_storage_init_mmc(&emmc_storage, &emmc_sdmmc);
if (!res)
TConf.currentMMCConnected = mmcType;
return res; // deal with the errors later lol
}
ErrCode_t mountMMCPart(const char *partition){
emummc_storage_set_mmc_partition(&emmc_storage, 0);
LIST_INIT(curGpt);
nx_emmc_gpt_parse(&curGpt, &emmc_storage);
emmc_part_t *system_part = nx_emmc_part_find(&curGpt, partition);
if (!system_part)
return newErrCode(TE_ERR_PARTITION_NOT_FOUND);
nx_emmc_bis_init(system_part);
int res = 0;
if ((res = f_mount(&emmc_fs, "bis:", 1)))
return newErrCode(res);
nx_emmc_gpt_free(&curGpt);
TConf.connectedMMCMounted = 1;
return newErrCode(0);
}

View file

@ -0,0 +1,13 @@
#pragma once
#include <utils/types.h>
#include "../err.h"
enum {
MMC_CONN_None = 0,
MMC_CONN_EMMC,
MMC_CONN_EMUMMC
};
int connectMMC(u8 mmcType);
ErrCode_t mountMMCPart(const char *partition);
void SetKeySlots();

View file

@ -9,10 +9,12 @@
#include <storage/nx_sd.h>
#include "tconf.h"
#include "../keys/keys.h"
#include "../storage/mountmanager.h"
MenuEntry_t mainMenuEntries[] = {
{.R = 255, .G = 255, .B = 255, .skip = 1, .name = "-- Main Menu --"},
{.G = 255, .name = "SD:/"},
{.optionUnion = COLORTORGB(COLOR_YELLOW), .name = "emmc:/SYSTEM"},
{.B = 255, .G = 255, .name = "Test Controllers"},
{.R = 255, .name = "Cause an exception"},
{.optionUnion = COLORTORGB(COLOR_ORANGE), .name = "View dumped keys"},
@ -30,6 +32,19 @@ void HandleSD(){
FileExplorer("sd:/");
}
void HandleEMMC(){
if (connectMMC(MMC_CONN_EMMC))
return;
ErrCode_t err = mountMMCPart("SYSTEM");
if (err.err){
DrawError(err);
return;
}
FileExplorer("bis:/");
}
void CrashTE(){
gfx_printf("%d", *((int*)0));
}
@ -48,12 +63,15 @@ void ViewKeys(){
gfx_printf("\nSave mac key: ");
PrintKey(dumpedKeys.save_mac_key, AES_128_KEY_SIZE);
gfx_printf("\n\nPkg1 ID: '%s', kb %d", TConf.pkg1ID, TConf.pkg1ver);
hidWait();
}
menuPaths mainMenuPaths[] = {
NULL,
HandleSD,
HandleEMMC,
TestControllers,
CrashTE,
ViewKeys,
@ -62,7 +80,8 @@ menuPaths mainMenuPaths[] = {
void EnterMainMenu(){
while (1){
mainMenuEntries[4].hide = !TConf.keysDumped;
mainMenuEntries[2].hide = !TConf.keysDumped;
mainMenuEntries[5].hide = !TConf.keysDumped;
FunctionMenuHandler(mainMenuEntries, ARR_LEN(mainMenuEntries), mainMenuPaths, ALWAYSREDRAW);
}
}

View file

@ -15,26 +15,23 @@ enum {
CMODE_Move
};
enum {
M_None = 0,
M_EMMC,
M_EMUMMC
};
typedef struct {
u32 FSBuffSize;
char *srcCopy;
union {
struct {
u16 minervaEnabled:1;
u16 keysDumped:1;
u16 curExplorerLoc:2;
u16 heldExplorerCopyLoc:2;
u16 explorerCopyMode:2;
u16 currentMMCMounted:2;
u16 keysDumped:1;
u16 currentMMCConnected:2;
u16 connectedMMCMounted:1;
};
u16 optionUnion;
};
const char *pkg1ID;
u8 pkg1ver;
} TConf_t;
extern TConf_t TConf;