(attempt at) doing readme stuff

// i swear this shit hates me

README.md

@@ -1,5 +1,25 @@
 # TegraExplorer
 A payload-based file explorer for your switch!
 
+## Usage
+1. Get your favorite payload injector
+2. Inject TegraExplorer as a payload
+
+Navigate around the menu's using the vol+, vol- and power buttons
+
+## Functions
+- Navigate the SD card
+- Navigate the System partition of your sysnand
+- Deleting, copying or moving files
+- Launching payloads
+- Dumping your current firmware to sd
+
+## Screenshot 
+![screenshot](example.png)
+
 # Credits
 Based on [Lockpick_RCM](https://github.com/shchmue/Lockpick_RCM), and thus based on [Hekate](https://github.com/CTCaer/hekate)
+
+Lots of help from:
+shchmue
+Denn

source/gfx/gfx.c

@@ -217,7 +217,7 @@ void gfx_putc(char c)
 				}
 			}
 			gfx_con.x += 16;
-			if (gfx_con.x >= gfx_ctxt.width - 16) {
+			if (gfx_con.x >= gfx_ctxt.width - 8) {
 				gfx_con.x = 0;
 				gfx_con.y += 16;
 			}

source/libs/fatfs/ffconf.h

@@ -191,7 +191,7 @@
 
 
 #define FF_MIN_SS		512
-#define FF_MAX_SS		4096
+#define FF_MAX_SS		512
 /* This set of options configures the range of sector size to be supported. (512,
 /  1024, 2048 or 4096) Always set both 512 for most systems, generic memory card and
 /  harddisk. But a larger value may be required for on-board flash memory and some

source/main.c

@@ -31,8 +31,6 @@
 #include "meme/main.h"
 #include "meme/utils.h"
 
-#include "keys/keys.h"
-
 sdmmc_t sd_sdmmc;
 sdmmc_storage_t sd_storage;
 __attribute__ ((aligned (16))) FATFS sd_fs;
@@ -153,7 +151,6 @@ extern void pivot_stack(u32 stack_top);
 
 void ipl_main()
 {
-    bool sd_mounted = false;
     config_hw();
     pivot_stack(IPL_STACK_TOP);
     heap_init(IPL_HEAP_START);
@@ -164,8 +161,6 @@ void ipl_main()
     gfx_con_init();
     display_backlight_pwm_init();
 
-    
-    sd_mounted = sd_mount();
-    meme_main(sd_mounted);
+    meme_main();
     sd_unmount();
 }

source/meme/external_utils.c

@@ -0,0 +1,232 @@
+#include "external_utils.h"
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include "../gfx/di.h"
+#include "../gfx/gfx.h"
+#include "../utils/btn.h"
+#include "../utils/util.h"
+#include "utils.h"
+#include "../libs/fatfs/ff.h"
+#include "../storage/sdmmc.h"
+#include "graphics.h"
+#include "../soc/hw_init.h"
+#include "../mem/emc.h"
+#include "../mem/sdram.h"
+#include "../soc/t210.h"
+#include "../sec/se.h"
+#include "../utils/types.h"
+#include "../hos/pkg1.h"
+#include "../storage/nx_emmc.h"
+#include "../sec/tsec.h"
+#include "../soc/t210.h"
+#include "../soc/fuse.h"
+#include "../mem/mc.h"
+
+extern void reloc_patcher(u32 payload_dst, u32 payload_src, u32 payload_size);
+extern boot_cfg_t b_cfg;
+extern bool sd_mount();
+extern void sd_unmount();
+static bool   _key_exists(const void *data) { return memcmp(data, zeros, 0x10); };
+static void   _generate_kek(u32 ks, const void *key_source, void *master_key, const void *kek_seed, const void *key_seed);
+
+sdmmc_storage_t storage;
+emmc_part_t *system_part;
+sdmmc_t sdmmc;
+
+int launch_payload(char *path, bool update){
+	if (!update) gfx_clear_grey(0x1B);
+	gfx_con_setpos(0, 0);
+	if (!path)
+		return 1;
+
+	if (sd_mount()){
+		FIL fp;
+		if (f_open(&fp, path, FA_READ)){
+			EPRINTF("Payload missing!\n");
+			return 2;
+		}
+
+		void *buf;
+		u32 size = f_size(&fp);
+
+		if (size < 0x30000)
+			buf = (void *)RCM_PAYLOAD_ADDR;
+		else
+			buf = (void *)COREBOOT_ADDR;
+
+		if (f_read(&fp, buf, size, NULL)){
+			f_close(&fp);
+
+			return 3;
+		}
+
+		f_close(&fp);
+
+		sd_unmount();
+
+		if (size < 0x30000){
+			reloc_patcher(PATCHED_RELOC_ENTRY, EXT_PAYLOAD_ADDR, ALIGN(size, 0x10));
+
+			reconfig_hw_workaround(false, byte_swap_32(*(u32 *)(buf + size - sizeof(u32))));
+		}
+		else {
+			reloc_patcher(PATCHED_RELOC_ENTRY, EXT_PAYLOAD_ADDR, 0x7000);
+			reconfig_hw_workaround(true, 0);
+		}
+
+		void (*ext_payload_ptr)() = (void *)EXT_PAYLOAD_ADDR;
+		void (*update_ptr)() = (void *)RCM_PAYLOAD_ADDR;
+
+		msleep(100);
+
+		if (!update)
+			(*ext_payload_ptr)();
+		else {
+			EMC(EMC_SCRATCH0) |= EMC_HEKA_UPD;
+			(*update_ptr)();
+		}
+	}
+
+	return 4;
+}
+
+int dump_biskeys(u8 bis_key[4][32]){
+	u8 temp_key[0x10], device_key[0x10] = {0};
+    tsec_ctxt_t tsec_ctxt;
+
+	int retries = 0;
+
+    sdmmc_storage_init_mmc(&storage, &sdmmc, SDMMC_4, SDMMC_BUS_WIDTH_8, 4);
+
+    // Read package1.
+    u8 *pkg1 = (u8 *)malloc(0x40000);
+    sdmmc_storage_set_mmc_partition(&storage, 1);
+    sdmmc_storage_read(&storage, 0x100000 / NX_EMMC_BLOCKSIZE, 0x40000 / NX_EMMC_BLOCKSIZE, pkg1);
+    const pkg1_id_t *pkg1_id = pkg1_identify(pkg1);
+    if (!pkg1_id) {
+        EPRINTF("Unknown pkg1 version.");
+        return -1;
+    }
+
+    bool found_tsec_fw = false;
+    for (const u32 *pos = (const u32 *)pkg1; (u8 *)pos < pkg1 + 0x40000; pos += 0x100 / sizeof(u32)) {
+        if (*pos == 0xCF42004D) {
+            tsec_ctxt.fw = (u8 *)pos;
+            found_tsec_fw = true;
+            break;
+        }
+    }
+    if (!found_tsec_fw) {
+        EPRINTF("Failed to locate TSEC firmware.");
+        return -1;
+    }
+
+    u8 tsec_keys[0x10] = {0};
+
+    tsec_key_data_t *key_data = (tsec_key_data_t *)(tsec_ctxt.fw + TSEC_KEY_DATA_ADDR);
+    tsec_ctxt.pkg1 = pkg1;
+    tsec_ctxt.size = 0x100 + key_data->blob0_size + key_data->blob1_size + key_data->blob2_size + key_data->blob3_size + key_data->blob4_size;
+    if (pkg1_id->kb >= KB_FIRMWARE_VERSION_700) {
+        // Exit after TSEC key generation.
+        *((vu16 *)((u32)tsec_ctxt.fw + 0x2DB5)) = 0x02F8;
+    }
+
+    int res = 0;
+
+    mc_disable_ahb_redirect();
+
+    while (tsec_query(tsec_keys, 0, &tsec_ctxt) < 0) {
+        memset(tsec_keys, 0x00, 0x10);
+        retries++;
+        if (retries > 15) {
+            res = -1;
+            break;
+        }
+    }
+    free(pkg1);
+
+    mc_enable_ahb_redirect();
+
+    if (res < 0) {
+        gfx_printf("ERROR %x dumping TSEC.\n", res);
+        return -1;
+    }
+
+    u32 sbk[4] = {FUSE(FUSE_PRIVATE_KEY0), FUSE(FUSE_PRIVATE_KEY1),
+                  FUSE(FUSE_PRIVATE_KEY2), FUSE(FUSE_PRIVATE_KEY3)};
+    se_aes_key_set(8, tsec_keys, 0x10);
+    se_aes_key_set(9, sbk, 0x10);
+    se_aes_crypt_block_ecb(8, 0, temp_key, keyblob_key_source);
+    se_aes_crypt_block_ecb(9, 0, temp_key, temp_key);
+    se_aes_key_set(7, temp_key, 0x10);
+    se_aes_crypt_block_ecb(7, 0, device_key, per_console_key_source);
+
+    /*  key = unwrap(source, wrapped_key):
+        key_set(ks, wrapped_key), block_ecb(ks, 0, key, source) -> final key in key
+    */
+    if (_key_exists(device_key)) {
+        se_aes_key_set(8, device_key, 0x10);
+        se_aes_unwrap_key(8, 8, retail_specific_aes_key_source); // kek = unwrap(rsaks, devkey)
+        se_aes_crypt_block_ecb(8, 0, bis_key[0] + 0x00, bis_key_source[0] + 0x00); // bkey = unwrap(bkeys, kek)
+        se_aes_crypt_block_ecb(8, 0, bis_key[0] + 0x10, bis_key_source[0] + 0x10);
+        // kek = generate_kek(bkeks, devkey, aeskek, aeskey)
+        _generate_kek(8, bis_kek_source, device_key, aes_kek_generation_source, aes_key_generation_source);
+        se_aes_crypt_block_ecb(8, 0, bis_key[1] + 0x00, bis_key_source[1] + 0x00); // bkey = unwrap(bkeys, kek)
+        se_aes_crypt_block_ecb(8, 0, bis_key[1] + 0x10, bis_key_source[1] + 0x10);
+        se_aes_crypt_block_ecb(8, 0, bis_key[2] + 0x00, bis_key_source[2] + 0x00);
+        se_aes_crypt_block_ecb(8, 0, bis_key[2] + 0x10, bis_key_source[2] + 0x10);
+        memcpy(bis_key[3], bis_key[2], 0x20);
+    }
+
+    sdmmc_storage_set_mmc_partition(&storage, 0);
+    // Parse eMMC GPT.
+    LIST_INIT(gpt);
+    nx_emmc_gpt_parse(&gpt, &storage);
+
+    /*
+    char part_name[37] = "SYSTEM";
+
+    // todo: menu selection for this
+
+    u32 bis_key_index = 0;
+    if (strcmp(part_name, "PRODINFOF") == 0)
+        bis_key_index = 0;
+    else if (strcmp(part_name, "SAFE") == 0)
+        bis_key_index = 1;
+    else if (strcmp(part_name, "SYSTEM") == 0)
+        bis_key_index = 2;
+    else if (strcmp(part_name, "USER") == 0)
+        bis_key_index = 3;
+    else {
+        gfx_printf("Partition name %s unrecognized.", part_name);
+        return;
+    }
+    */
+    se_aes_key_set(8, bis_key[2] + 0x00, 0x10);
+    se_aes_key_set(9, bis_key[2] + 0x10, 0x10);
+
+    system_part = nx_emmc_part_find(&gpt, "SYSTEM");
+    if (!system_part) {
+        gfx_printf("Failed to locate SYSTEM partition.");
+        return -1;
+    }
+
+    __attribute__ ((aligned (16))) FATFS emmc_fs;
+    if (f_mount(&emmc_fs, "emmc:", 1)) {
+        gfx_printf("Mount failed.");
+        return -1;
+    }
+    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) {
+    if (!_key_exists(key_source) || !_key_exists(master_key) || !_key_exists(kek_seed))
+        return;
+
+    se_aes_key_set(ks, master_key, 0x10);
+    se_aes_unwrap_key(ks, ks, kek_seed);
+    se_aes_unwrap_key(ks, ks, key_source);
+    if (key_seed && _key_exists(key_seed))
+        se_aes_unwrap_key(ks, ks, key_seed);
+}

source/meme/external_utils.h

@@ -0,0 +1,53 @@
+#pragma once
+
+#define RELOC_META_OFF      0x7C
+#define PATCHED_RELOC_SZ    0x94
+#define PATCHED_RELOC_STACK 0x40007000
+#define PATCHED_RELOC_ENTRY 0x40010000
+#define EXT_PAYLOAD_ADDR    0xC03C0000
+#define RCM_PAYLOAD_ADDR    (EXT_PAYLOAD_ADDR + ALIGN(PATCHED_RELOC_SZ, 0x10))
+#define COREBOOT_ADDR       (0xD0000000 - 0x100000)
+#define CBFS_DRAM_EN_ADDR   0x4003e000
+#define  CBFS_DRAM_MAGIC    0x4452414D // "DRAM"
+#define EMC_BASE   0x7001B000
+#define EMC(off) _REG(EMC_BASE, off)
+
+#include "../utils/types.h"
+
+int launch_payload(char *path, int update);
+int dump_biskeys(u8 bis_key[4][32]);
+
+static const u8 zeros[0x10] = {0};
+
+static const u8 keyblob_key_source[0x10] = {
+    0xDF, 0x20, 0x6F, 0x59, 0x44, 0x54, 0xEF, 0xDC, 0x70, 0x74, 0x48, 0x3B, 0x0D, 0xED, 0x9F, 0xD3};
+
+//======================================Keys======================================//
+// from Package1 -> Secure_Monitor
+static const u8 aes_kek_generation_source[0x10] = {
+    0x4D, 0x87, 0x09, 0x86, 0xC4, 0x5D, 0x20, 0x72, 0x2F, 0xBA, 0x10, 0x53, 0xDA, 0x92, 0xE8, 0xA9};
+static const u8 retail_specific_aes_key_source[0x10] = {
+    0xE2, 0xD6, 0xB8, 0x7A, 0x11, 0x9C, 0xB8, 0x80, 0xE8, 0x22, 0x88, 0x8A, 0x46, 0xFB, 0xA1, 0x95};
+
+// from Package1ldr (or Secure_Monitor on 6.2.0)
+static const u8 per_console_key_source[0x10] = {
+    0x4F, 0x02, 0x5F, 0x0E, 0xB6, 0x6D, 0x11, 0x0E, 0xDC, 0x32, 0x7D, 0x41, 0x86, 0xC2, 0xF4, 0x78};
+
+// from SPL
+static const u8 aes_key_generation_source[0x10] = {
+    0x89, 0x61, 0x5E, 0xE0, 0x5C, 0x31, 0xB6, 0x80, 0x5F, 0xE5, 0x8F, 0x3D, 0xA2, 0x4F, 0x7A, 0xA8};
+
+// from FS
+static const u8 bis_kek_source[0x10] = {
+    0x34, 0xC1, 0xA0, 0xC4, 0x82, 0x58, 0xF8, 0xB4, 0xFA, 0x9E, 0x5E, 0x6A, 0xDA, 0xFC, 0x7E, 0x4F};
+static const u8 bis_key_source[3][0x20] = {
+    {
+        0xF8, 0x3F, 0x38, 0x6E, 0x2C, 0xD2, 0xCA, 0x32, 0xA8, 0x9A, 0xB9, 0xAA, 0x29, 0xBF, 0xC7, 0x48,
+        0x7D, 0x92, 0xB0, 0x3A, 0xA8, 0xBF, 0xDE, 0xE1, 0xA7, 0x4C, 0x3B, 0x6E, 0x35, 0xCB, 0x71, 0x06},
+    {
+        0x41, 0x00, 0x30, 0x49, 0xDD, 0xCC, 0xC0, 0x65, 0x64, 0x7A, 0x7E, 0xB4, 0x1E, 0xED, 0x9C, 0x5F,
+        0x44, 0x42, 0x4E, 0xDA, 0xB4, 0x9D, 0xFC, 0xD9, 0x87, 0x77, 0x24, 0x9A, 0xDC, 0x9F, 0x7C, 0xA4},
+    {
+        0x52, 0xC2, 0xE9, 0xEB, 0x09, 0xE3, 0xEE, 0x29, 0x32, 0xA1, 0x0C, 0x1F, 0xB6, 0xA0, 0x92, 0x6C,
+        0x4D, 0x12, 0xE1, 0x4B, 0x2A, 0x47, 0x4C, 0x1C, 0x09, 0xCB, 0x03, 0x59, 0xF0, 0x15, 0xF4, 0xE4}
+};

source/meme/graphics.c

@@ -14,13 +14,14 @@ int _copystring(char *out, const char *in, int copynumb){
     if (strlength > copynumb + 1) strlength = copynumb;
     memset(out + strlength, '\0', 1);
     int ret = copynumb - strlength;
-    return ret;
+    return ret + 4;
 }
 
 int messagebox(char *message){
     int ret = -1;
     meme_clearscreen();
     gfx_printf("%s", message);
+    msleep(100);
     u8 res = btn_wait();
         if (res & BTN_POWER) ret = 0;
         else ret = 1;
@@ -53,10 +54,10 @@ void meme_clearscreen(){
     gfx_clear_grey(0x1B);
     gfx_con_setpos(0, 0);
     gfx_box(0, 0, 719, 15, COLOR_WHITE);
-    gfx_printf("%k%pTegraExplorer, by SuchMemeManySkill\n%k%p", COLOR_DEFAULT, COLOR_WHITE, COLOR_WHITE, COLOR_DEFAULT);
+    gfx_printf("%k%pTegraExplorer\n%k%p", COLOR_DEFAULT, COLOR_WHITE, COLOR_WHITE, COLOR_DEFAULT);
 }
 
-void _printwithhighlight(int offset, int folderamount, char *items[], int highlight, unsigned int *muhbits){
+void _printwithhighlight(int offset, int folderamount, char *items[], int highlight, unsigned int *muhbits, int *filesizes){
     char temp[39];
     int i = 0;
     int ret = 0; 
@@ -74,8 +75,11 @@ void _printwithhighlight(int offset, int folderamount, char *items[], int highli
         }
         
         gfx_con.x = 720 - (16 * 6);
-        if (muhbits[i + offset] & OPTION1) gfx_printf("DIR");
-        else gfx_printf("FILE");
+        if (!(muhbits[i + offset] & OPTION1)) { //should change later
+            char temp[6];
+            return_readable_byte_amounts(filesizes[i + offset], temp);
+            gfx_printf("%s", temp);
+        }
         i++;
     }
 }
@@ -86,12 +90,26 @@ int fileexplorergui(char *items[], unsigned int *muhbits, const char path[], int
     int sleepvalue = 300;
     int offset = 0;
     char temp[43];
-    gfx_con_setpos(0, 16);
+    int *filesizes;
+    int i = 0;
+    filesizes = (int*) calloc(500, sizeof(int));
+    gfx_con_setpos(0, 48);
+    for (i = 0; i < folderamount; i++){
+        if(!(muhbits[i] & OPTION1)){
+            char temppath[PATHSIZE];
+            strcpy(temppath, path);
+            strcat(temppath, "/");
+            strcat(temppath, items[i]);
+            filesizes[i] = getfilesize(temppath);
+            gfx_printf("Calcing filesizes: %d / %d\r", i, folderamount - 2);
+        }
+    }
     _copystring(temp, path, 43);
+    gfx_con_setpos(0, 16);
     gfx_printf("%k%s\n%k", COLOR_GREEN, temp, COLOR_WHITE);
     while(1){
         if (change){
-        _printwithhighlight(offset, folderamount, items, select, muhbits);
+        _printwithhighlight(offset, folderamount, items, select, muhbits, filesizes);
         change = false;
         msleep(sleepvalue);
         }
@@ -121,5 +139,6 @@ int fileexplorergui(char *items[], unsigned int *muhbits, const char path[], int
         if (sleepvalue < 30) sleepvalue = 30;
     }
     int ret = select + offset;
+    free(filesizes);
     return ret;
 }

source/meme/main.c

@@ -1,4 +1,5 @@
 #include <string.h>
+#include <stdio.h>
 #include "../gfx/di.h"
 #include "../gfx/gfx.h"
 #include "../utils/btn.h"
@@ -6,36 +7,125 @@
 #include "main.h"
 #include "mainfunctions.h"
 #include "../libs/fatfs/ff.h"
-#include "../storage/sdmmc.h"
+#include "../utils/util.h"
 #include "graphics.h"
+#include "external_utils.h"
 
-void meme_main(bool sdinit){
+extern bool sd_mount();
+extern void sd_unmount();
+
+static u32 bis_keys[4][8];
+
+void meme_main(){
     utils_gfx_init();
-    //static const u32 colors[7] = {COLOR_RED, COLOR_ORANGE, COLOR_YELLOW, COLOR_GREEN, COLOR_BLUE, COLOR_VIOLET, COLOR_DEFAULT};
-    //gfx_printf("%k%pTegraExplorer, made by SuchMemeManySkill    \n%k%p", colors[6], colors[3], colors[3], colors[6]);
+    //dump_keys();
+    
     /*
     sdmmc_storage_t storage;
     sdmmc_t sdmmc;
 
     sdmmc_storage_init_mmc(&storage, &sdmmc, SDMMC_4, SDMMC_BUS_WIDTH_8, 4);
-    sdmmc_storage_set_mmc_partition(&storage, 1);
-    */
-    //f_rename("sd:/yeet.txt", "sd:/yote.txt");
+    sdmmc_storage_set_mmc_partition(&storage, 1); */
 
+    int firmver = -1;
+    firmver = dump_biskeys(bis_keys); // add succeed check
+
+    char *options[6];
+    char *itemsinfolder[1000];
+    unsigned int muhbits[1000];
+    bool sd_mounted = false;
+    sd_mounted = sd_mount();
+    if (!sd_mounted) messagebox("\nSD INIT FAILED");
+
+    while (1){
+        int i = 0, ret = 0;
+        if (sd_mounted){
+            addchartoarray("[SD:/] SD card", options, i);
+            i++;
+        }
+        addchartoarray("[emmc:/] SYSTEM", options, i);
+        if (!sd_mounted) addchartoarray("\nMount SD", options, i+1);
+        else addchartoarray("\nUnmount SD", options, i+1);
+        addchartoarray("\nTools", options, i+2);
+        addchartoarray("About", options, i+3);
+        addchartoarray("Exit", options, i+4);
+        meme_clearscreen();
+        ret = gfx_menulist(32, options, (i + 5));
+
+        if (strcmp(options[ret - 1], "[SD:/] SD card") == 0){
+            sdexplorer(itemsinfolder, muhbits, "sd:/");
+        }
+        else if (strcmp(options[ret - 1], "About") == 0){
+            messagebox(ABOUT_MESSAGE);
+        }
+        else if (strcmp(options[ret - 1], "\nMount SD") == 0 || strcmp(options[ret - 1], "\nUnmount SD") == 0){
+            if (sd_mounted){
+                sd_unmount();
+                sd_mounted = false;
+            }
+            else {
+                sd_mounted = sd_mount();
+                if (!sd_mounted) messagebox("\nSD INIT FAILED");
+            }
+        }
+        else if (strcmp(options[ret - 1], "[emmc:/] SYSTEM") == 0){
+            ret = messagebox(SYSTEM_WARNING_MESSAGE); // note: maybe add some sort of color system for messageboxes
+            if (ret == 0) sdexplorer(itemsinfolder, muhbits, "emmc:/");
+        }
+        else if (strcmp(options[ret - 1], "\nTools") == 0){
+            meme_clearscreen();
+            addchartoarray("Back", options, 0);
+            addchartoarray("\nPrint BISKEYS", options, 1);
+            addchartoarray("Dump firmware", options, 2);
+            ret = gfx_menulist(32, options, 3);
+            switch(ret){
+                case 2:
+                    meme_clearscreen();
+                    gfx_printf("\nBisKey 0:\n");
+                    gfx_hexdump(0, bis_keys[0], 0x20 * sizeof(u8));
+                    gfx_printf("\n\nBisKey 1:\n");
+                    gfx_hexdump(0, bis_keys[1], 0x20 * sizeof(u8));
+                    gfx_printf("\n\nBisKey 2 + 3:\n");
+                    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 && sd_mounted) sdexplorer(itemsinfolder, muhbits, "DumpFirmware");
+                    break;
+            }
+        }
+        else {
+            meme_clearscreen();
+            addchartoarray("Back", options, 0);
+            addchartoarray("\nReboot to RCM", options, 1);
+            addchartoarray("Reboot normally", options, 2);
+            addchartoarray("Power off", options, 3);
+            ret = gfx_menulist(32, options, 4);
+            if (ret != 1) sd_unmount();
+            switch(ret){
+                case 2:
+                    reboot_rcm();
+                case 3:
+                    reboot_normal();
+                case 4:
+                    power_off();
+                default:
+                    break;
+            }
+        }
+    }
+
+    //if (sd_mounted){
     
-    char *itemsinfolder[500];
-    unsigned int muhbits[500];
-
-    if (sdinit){
-    sdexplorer(itemsinfolder, muhbits);
 
     //write file and folder menu
     //make clipboard and shit like that
     //figure out time from keys.c
     //figure out how to reboot to payloads https://github.com/CTCaer/hekate/blob/101c8bc1d0813da10016be771a9919c9e8112277/bootloader/main.c#L266
-    gfx_printf("%k\n\nExited main loop, vol+ to reboot to rcm\nvol- to reboot normally\npower to power off\n", COLOR_GREEN);
-    }
-    else gfx_printf("%k%pSD INIT FAILED\n\nvol+ to reboot to rcm\nvol- to reboot normally\npower to power off", COLOR_RED, COLOR_DEFAULT);
+    //gfx_printf("%k\n\nExited main loop, vol+ to reboot to rcm\nvol- to reboot normally\npower to power off\n", COLOR_GREEN);
+    //}
+    //else gfx_printf("%k%pSD INIT FAILED\n\nvol+ to reboot to rcm\nvol- to reboot normally\npower to power off", COLOR_RED, COLOR_DEFAULT);
 
-    utils_waitforpower();
+    //utils_waitforpower();
 }

source/meme/main.h

@@ -1,3 +1,6 @@
 #pragma once
 
-void meme_main(bool sdinit);
+#define ABOUT_MESSAGE "\nCreator: Such Meme, Many Skill#2921\nCool people: Denn, shchmue\nTesters: PhazonicRidley, huhen\n\n\nProject based on Lockpick_RCM\n  With additional code from Hekate"
+#define SYSTEM_WARNING_MESSAGE "\nNOTICE!\n\nAbout to enter SYSTEM:/\nThis is a SYSTEM partition!\nMessing something up here \n    will brick your switch!\n\nVol+/- to cancel\nPower to continue..."
+
+void meme_main();

source/meme/mainfunctions.c

@@ -1,4 +1,5 @@
 #include <string.h>
+#include <stdio.h>
 #include "../gfx/di.h"
 #include "../gfx/gfx.h"
 #include "../utils/btn.h"
@@ -7,27 +8,42 @@
 #include "../libs/fatfs/ff.h"
 #include "../storage/sdmmc.h"
 #include "graphics.h"
+#include "external_utils.h"
 
-int _openfilemenu(const char *path, char *clipboardpath){
+int _openfilemenu(char *path, char *clipboardpath){
     meme_clearscreen();
     FILINFO fno;
     f_stat(path, &fno);
-    char *options[4];
+    char *options[6];
     int res = 0;
     int mres = -1;
     int ret = -1;
+    int i = 4;
 
-    addchartoarray("Back", options, 0);
+    addchartoarray("Back\n", options, 0);
     addchartoarray("Copy to clipboard", options, 1);
     addchartoarray("Move to clipboard", options, 2);
-    addchartoarray("Delete file", options, 3);
+    addchartoarray("Delete file\n", options, 3);
+    if (strstr(path, ".bin") != NULL){
+        addchartoarray("Launch payload", options, i);
+        i++;
+    }    
+    if (strcmp(strstr(path, "emmc:/"), path) == 0){
+        addchartoarray("Dump to SD", options, i);
+        i++;
+    }
 
     gfx_printf("%kPath: %s%k\n\n", COLOR_GREEN, path, COLOR_WHITE);
-    int temp = (fno.fsize / 1024 / 1024);
-    gfx_printf("Size MB: %d", temp);
+
+    char size[6];
+    return_readable_byte_amounts(fno.fsize, size);
+
+    gfx_printf("Size: %s", size);
     
-    res = gfx_menulist(160, options, 4);
+    res = gfx_menulist(160, options, i);
     switch(res){
+        case 1:
+            break;
         case 2:
             ret = 0;
             strcpy(clipboardpath, path);
@@ -41,46 +57,122 @@ int _openfilemenu(const char *path, char *clipboardpath){
             if (mres == 0) f_unlink(path);
             break;
         default:
-            break;
+            if (strcmp(options[res - 1], "Launch payload") == 0) launch_payload(path, 0);
+            else if (strcmp(options[res - 1], "Dump to SD") == 0) {
+                int res = 0;
+                res = dumptosd(path);
+                if (res == 1) messagebox("Copy Failed\nInput or Output is invalid");
+            }
     }
 
     meme_clearscreen();
     return ret;
 }
 
-void sdexplorer(char *items[], unsigned int *muhbits){
+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");
+
+    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/00", path, items[i]);
+            sprintf(tempsd, "%s/%s", sdpath, items[i]);
+            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);
+    }
+    messagebox("\nDump completed!\n\nThe firmware dump is located \n  in sd:/tegraexplorer/firmware");
+    return 0;
+}
+
+void sdexplorer(char *items[], unsigned int *muhbits, char *rootpath){
+    if (strcmp(rootpath, "DumpFirmware") == 0){
+        dumpfirmware(items, muhbits);
+        return;
+    }
     int value = 1;
     int copymode = -1;
     int folderamount = 0;
-    char path[255] = "sd:/";
-    char clipboard[255] = "";
+    char path[PATHSIZE] = "";
+    char clipboard[PATHSIZE + 1] = "";
+    strcpy(path, rootpath);
+    char app[20], rpp[20];
     int temp = -1;
+    strcpy(app, rootpath);
+    strcpy(rpp, app);
+    removepartpath(rpp, "rpp");
     //static const u32 colors[8] = {COLOR_RED, COLOR_ORANGE, COLOR_YELLOW, COLOR_GREEN, COLOR_BLUE, COLOR_VIOLET, COLOR_DEFAULT, COLOR_WHITE};
+
     while(1){
         gfx_clear_grey(0x1B);
         gfx_con_setpos(0, 0);
         gfx_box(0, 0, 719, 15, COLOR_WHITE);
         folderamount = readfolder(items, muhbits, path);
-        gfx_printf("%k%pTegraExplorer, by SuchMemeManySkill    %d\n%k%p", COLOR_DEFAULT, COLOR_WHITE, folderamount - 2, COLOR_WHITE, COLOR_DEFAULT);
+        if (folderamount == -1){
+            messagebox("\nInvalid path\n\nReturning to main menu");
+            break;
+        }
+        gfx_printf("%k%pTegraExplorer - %s", COLOR_DEFAULT, COLOR_WHITE, app);
+        gfx_con_setpos(39 * 16, 0);
+        gfx_printf("%d\n%k%p", folderamount - 2, COLOR_WHITE, COLOR_DEFAULT);
         value = fileexplorergui(items, muhbits, path, folderamount);
         
         if (value == 1) {
-            if (strcmp("sd:/", path) == 0) break;
-            else removepartpath(path);
+            if (strcmp(app, path) == 0) break;
+            else removepartpath(path, rpp);
         }
         else if (value == 2) {
             if (copymode != -1){
-                copywithpath(clipboard, path, copymode);
+                copywithpath(clipboard, path, copymode, app);
                 copymode = -1;
             }
+            else messagebox("\nThe Clipboard is empty!");
         }
         else {
-            if(muhbits[value - 1] & OPTION1) addpartpath(path, items[value - 1]);
+            if(muhbits[value - 1] & OPTION1) addpartpath(path, items[value - 1], app);
             else {
-                addpartpath(path, items[value - 1]);
+                addpartpath(path, items[value - 1], app);
                 temp = _openfilemenu(path, clipboard);
                 if (temp != -1) copymode = temp; 
-                removepartpath(path);
+                removepartpath(path, rpp);
             }
         }
     }

source/meme/mainfunctions.h

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

source/meme/utils.c

@@ -8,6 +8,8 @@
 #include "utils.h"
 #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);
@@ -15,26 +17,72 @@ void utils_gfx_init(){
     gfx_con_setpos(0, 0);
 }
 
-void removepartpath(char *path){
+void removepartpath(char *path, char *root){
     char *ret;
+    char temproot[20];
     ret = strrchr(path, '/');
     memset(ret, '\0', 1);
-    if (strcmp(path, "sd:") == 0) strcpy(path, "sd:/");
+    sprintf(temproot, "%s%s", root, "/");
+    if (strcmp(path, root) == 0) strcpy(path, temproot);
 }
 
-void addpartpath(char *path, char *add){
-    if (strcmp(path, "sd:/") != 0) strcat(path, "/");
+int dumptosd(const char *path){
+    f_mkdir("sd:/tegraexplorer");
+    f_mkdir("sd:/tegraexplorer/nanddump");
+    FILINFO fno;
+    int res = 0;
+    f_stat(path, &fno);
+    char pathname[PATHSIZE];
+    char foldername[75];
+    strcpy(pathname, path);
+    removepartpath(pathname, "emmc:");
+    strcpy(foldername, strrchr(pathname, '/'));
+    if (strcmp(foldername, "/") == 0) strcpy(foldername, "/root");
+    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, 1);
+    return res;
+}
+
+void addpartpath(char *path, char *add, char *root){
+    if (strcmp(path, root) != 0) strcat(path, "/");
     strcat(path, add);
 }
 
-void utils_waitforpower(){
-    u32 btn = btn_wait();
-    if (btn & BTN_VOL_UP)
-        reboot_rcm();
-    else if (btn & BTN_VOL_DOWN)
-        reboot_normal();
-    else
-        power_off();
+void return_readable_byte_amounts(unsigned long int size, char *in){
+    char type[3];
+    unsigned long int sizetemp = size;
+    int muhbytes = 0;
+    while(sizetemp > 1024){
+        muhbytes++;
+        sizetemp = sizetemp / 1024;
+    }
+
+    switch(muhbytes){
+        case 0:
+            strcpy(type, "B");
+            break;
+        case 1:
+            strcpy(type, "KB");
+            break;
+        case 2:
+            strcpy(type, "MB");
+            break;
+        case 3:
+            strcpy(type, "GB");
+            break;
+        default:
+            strcpy(type, "GB");
+            break;
+    }
+    sprintf(in, "%d%s", sizetemp, type);
+}
+
+int getfilesize(const char *path){
+    FILINFO fno;
+    f_stat(path, &fno);
+    return fno.fsize;
 }
 
 void addchartoarray(char *add, char *items[], int spot){
@@ -43,7 +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
@@ -55,17 +103,18 @@ 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)) {
         gfx_printf("\nFailed to open %s", path);
-        return 0;
+        return -1;
     }
     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++;
         }
     }
@@ -73,33 +122,52 @@ 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;
-
-    if (f_open(&in, src, FA_READ) != FR_OK){
+    unsigned int res = 0;
+    char temp[100];
+    if (strcmp(src, dst) == 0){
+        //in and out are the same, aborting!
+        return 2;
+    }
+    res = f_open(&in, src, FA_READ | FA_OPEN_EXISTING);
+    if (res != FR_OK){
         //something has gone wrong
-        return 0;
+        //sprintf(temp, "%s %d", src, res);
+        //messagebox(temp);
+
+        return 1;
     }
     if (f_open(&out, dst, FA_CREATE_ALWAYS | FA_WRITE) != FR_OK){
         //something has gone wrong
-        return 0;
+        return 1;
     }
 
     int BUFFSIZ = 32768;
     u64 size = f_size(&in);
+    unsigned long totalsize = size, kbwritten = 0;
     void *buff = malloc(BUFFSIZ);
-    int kbwritten = 0;
-    gfx_printf("%d\n", size);
+    int mbwritten = 0, percentage = 0;
+    bool abort = false;
+    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);
         res2 = f_write(&out, buff, BUFFSIZ, NULL);
 
-        kbwritten = kbwritten + BUFFSIZ;
+        kbwritten = kbwritten + (BUFFSIZ / 1024);
+        mbwritten = kbwritten / 1024;
+        percentage = (mbwritten * 100) / ((totalsize / 1024) / 1024);
 
-        gfx_printf("Written %d\r", kbwritten);
         size = size - BUFFSIZ;
+        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){
@@ -110,20 +178,24 @@ int copy(const char *src, const char *dst){
     f_close(&in);
     f_close(&out);
 
+    if(abort){
+        f_unlink(dst);
+    }
+
     free(buff);
 
-    return 1;
+    return 0;
 }
 
-int copywithpath(const char *src, const char *dstpath, int mode){
+int copywithpath(const char *src, const char *dstpath, int mode, char *app){
     FILINFO fno;
     f_stat(src, &fno);
-    char dst[255];
+    char dst[PATHSIZE];
     strcpy(dst, dstpath);
-    if (strcmp(dstpath, "sd:/") != 0) strcat(dst, "/");
+    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;
 }

source/meme/utils.h

@@ -5,11 +5,16 @@
 #define OPTION3 (1 << 2)
 #define OPTION4 (1 << 3)
 
+#define PATHSIZE 512
+
 void utils_gfx_init();
-void utils_waitforpower();
-void removepartpath(char *path);
-void addpartpath(char *path, char *add);
+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);
+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);
+void mallocandaddfolderbit(unsigned int *muhbits, int spot, bool value);