Include a (bad) method to dump with .cnmt.nca

source/tegraexplorer/common/common.h

@@ -116,3 +116,5 @@ extern gpt_entry_rule gpt_fs_rules[];
 extern menu_entry mmcmenu_start[];
 
 extern menu_entry mmcmenu_filemenu[];
+
+extern menu_entry fwDump_typeMenu[];

source/tegraexplorer/common/structs.c

@@ -93,3 +93,10 @@ menu_entry mmcmenu_filemenu[] = {
     {"\nBack", COLOR_WHITE, {ISMENU}},
     {"Dump to SD", COLOR_YELLOW, {ISMENU}}
 };
+
+menu_entry fwDump_typeMenu[] = {
+	{"Back\n", COLOR_WHITE, {ISMENU}},
+	{"Firmware format type:", COLOR_WHITE, {ISMENU | ISSKIP}},
+	{"Daybreak (prod.keys required!)", COLOR_BLUE, {ISMENU}},
+	{"ChoiNX", COLOR_VIOLET, {ISMENU}}
+};

source/tegraexplorer/emmc/emmc.c

@@ -219,9 +219,6 @@ int dump_biskeys(){
     //nx_emmc_gpt_parse(&sys_gpt, &storage);
     
     
-    se_aes_key_set(8, bis_key[2] + 0x00, 0x10);
-    se_aes_key_set(9, bis_key[2] + 0x10, 0x10);
-    
     pkg1inf.ver = pkg1_id->kb;
     strcpy(pkg1inf.id, pkg1_id->id);
     return 0;

source/tegraexplorer/fs/keys.c

@@ -0,0 +1,62 @@
+#include "keys.h"
+#include "../../utils/types.h"
+#include "../../libs/fatfs/ff.h"
+#include "../../sec/se.h"
+#include "../../mem/heap.h"
+#include "../gfx/gfxutils.h"
+#include "../../config/ini.h"
+#include "../common/common.h"
+#include <string.h>
+
+char *getKey(const char *search, link_t *inilist){
+    LIST_FOREACH_ENTRY(ini_sec_t, ini_sec, inilist, link){
+        if (ini_sec->type == INI_CHOICE){
+            LIST_FOREACH_ENTRY(ini_kv_t, kv, &ini_sec->kvs, link)
+	    	{
+                if (!strcmp(search, kv->key))
+                    return kv->val;
+	    	}
+        }   
+    }
+    return NULL;
+}
+
+u8 getHexSingle(const char c) {
+    if (c >= '0' && c <= '9')
+        return c - '0';
+    if (c >= 'a' && c <= 'f')
+        return c - 'a' + 10;
+}
+
+u8 *getHex(const char *in){
+    u32 len = strlen(in), count = 0;
+    u8 *out = calloc(len / 2, sizeof(u8));
+
+    for (u32 i = 0; i < len; i += 2){
+        out[count++] = (u8)(getHexSingle(in[i]) << 4) | (getHexSingle(in[i + 1]));
+    }
+
+    return out;
+}
+
+u8 *GetKey(const char *keypath, const char *keyName){
+    LIST_INIT(inilist);
+    char *key;
+    u8 *hex = NULL;
+
+    if (!ini_parse(&inilist, keypath, false)){
+        gfx_errDisplay("GetKey", ERR_INI_PARSE_FAIL, 1);
+        goto out_free;
+    }
+
+    if ((key = getKey(keyName, &inilist)) == NULL){
+        gfx_errDisplay("GetKey", ERR_INI_PARSE_FAIL, 2);
+        goto out_free;
+    }
+
+    hex = getHex(key);
+
+out_free:;
+    list_empty(&inilist);
+    return hex;
+}

source/tegraexplorer/fs/keys.h

@@ -0,0 +1,4 @@
+#pragma once
+#include "../../utils/types.h"
+
+u8 *GetKey(const char *keypath, const char *keyName);

source/tegraexplorer/fs/nca.c

@@ -0,0 +1,46 @@
+#include "nca.h"
+#include "keys.h"
+#include "../../utils/types.h"
+#include "../../libs/fatfs/ff.h"
+#include "../../sec/se.h"
+#include "../../mem/heap.h"
+#include "../gfx/gfxutils.h"
+#include "../../config/ini.h"
+#include "../common/common.h"
+#include <string.h>
+
+int SetHeaderKey(){
+    u8 *header_key = GetKey("sd:/switch/prod.keys", "header_key");
+
+    if (header_key == NULL)
+        return -1;
+
+    se_aes_key_set(4, header_key + 0x00, 0x10);
+    se_aes_key_set(5, header_key + 0x10, 0x10);
+
+    return 0;
+}
+
+int GetNcaType(char *ncaPath){
+    FIL fp;
+    u32 read_bytes = 0;
+
+    if (f_open(&fp, ncaPath, FA_READ | FA_OPEN_EXISTING))
+        return -1;
+
+    u8 *dec_header = (u8*)malloc(0x600);
+
+    if (f_lseek(&fp, 0x200) || f_read(&fp, dec_header, 32, &read_bytes) || read_bytes != 32){
+        f_close(&fp);
+        free(dec_header);
+        return -1;
+    }
+
+    se_aes_xts_crypt(5,4,0,1,dec_header + 0x200, dec_header, 32, 1);
+
+    u8 ContentType = dec_header[0x205];
+    
+    f_close(&fp);
+    free(dec_header);
+    return ContentType;
+}

source/tegraexplorer/fs/nca.h

@@ -0,0 +1,4 @@
+#pragma once
+
+int GetNcaType(char *ncaPath);
+int SetHeaderKey();

source/tegraexplorer/fs/savesign.c

@@ -1,4 +1,5 @@
 #include "savesign.h"
+#include "keys.h"
 #include "../../utils/types.h"
 #include "../../libs/fatfs/ff.h"
 #include "../../sec/se.h"
@@ -62,62 +63,15 @@ out_free:;
     return success;
 }
 
-
-char *getKey(const char *search, link_t *inilist){
-    LIST_FOREACH_ENTRY(ini_sec_t, ini_sec, inilist, link){
-        if (ini_sec->type == INI_CHOICE){
-            LIST_FOREACH_ENTRY(ini_kv_t, kv, &ini_sec->kvs, link)
-	    	{
-                if (!strcmp(search, kv->key))
-                    return kv->val;
-	    	}
-        }   
-    }
-    return NULL;
-}
-
-u8 getHexSingle(const char c) {
-    if (c >= '0' && c <= '9')
-        return c - '0';
-    if (c >= 'a' && c <= 'f')
-        return c - 'a' + 10;
-}
-
-u8 *getHex(const char *in){
-    u32 len = strlen(in), count = 0;
-    u8 *out = calloc(len / 2, sizeof(u8));
-
-    for (u32 i = 0; i < len; i += 2){
-        out[count++] = (u8)(getHexSingle(in[i]) << 4) | (getHexSingle(in[i + 1]));
-    }
-
-    return out;
-}
-
 bool save_sign(const char *keypath, const char *savepath){
-    LIST_INIT(inilist);
-    char *key;
-    u8 *hex;
-    bool success = false;
+    u8 *key = GetKey(keypath, "save_mac_key");
 
-    if (!ini_parse(&inilist, keypath, false)){
-        gfx_errDisplay("save_sign", ERR_INI_PARSE_FAIL, 1);
-        goto out_free;
+    if (key == NULL){
+        return false;
     }
 
-    if ((key = getKey("save_mac_key", &inilist)) == NULL){
-        gfx_errDisplay("save_sign", ERR_INI_PARSE_FAIL, 2);
-        goto out_free;
-    }
+    if (!save_commit(savepath, key))
+        return false;
 
-    hex = getHex(key);
-
-    if (!save_commit(savepath, hex))
-        goto out_free;
-
-    success = true;
-
-out_free:;
-    list_empty(&inilist);
-    return success;
+    return true;
 }

source/tegraexplorer/mainmenu.c

@@ -60,7 +60,10 @@ void MainMenu_Tools(){
             displaygpio();
             break;
         case TOOLS_DUMPFIRMWARE:
-            dumpfirmware(SYSMMC);
+            res = menu_make(fwDump_typeMenu, 4, "-- Fw Type --");
+            if (res >= 2)
+                dumpfirmware(SYSMMC, (res == 2));
+
             break;
     }
 }

source/tegraexplorer/utils/tools.c

@@ -17,6 +17,7 @@
 #include "../fs/fsutils.h"
 #include "../../mem/heap.h"
 #include "../utils/utils.h"
+#include "../fs/nca.h"
 
 extern bool sd_mount();
 extern void sd_unmount();
@@ -93,7 +94,9 @@ void displaygpio(){
     }
 }
 
-int dumpfirmware(int mmc){
+
+// bad code ahead aaaa
+int dumpfirmware(int mmc, bool daybreak){
     DIR dir;
     FILINFO fno;
     bool fail = false;
@@ -107,6 +110,22 @@ int dumpfirmware(int mmc){
     connect_mmc(mmc);
     mount_mmc("SYSTEM", 2);
 
+    if (daybreak){
+        if (!fsutil_checkfile("sd:/switch/prod.keys")){
+            SWAPCOLOR(COLOR_RED);
+            gfx_printf("prod.keys not found.\nPress any button to exit");
+            hidWait();
+            return true;
+        }
+
+        if (SetHeaderKey()){
+            SWAPCOLOR(COLOR_RED);
+            gfx_printf("Failed to find header key.\nPress any button to exit");
+            hidWait();
+            return true;
+        }
+    }
+
     gfx_printf("PKG1 version: %d\n", pkg1.ver);
 
     gfx_printf("Creating folders...\n");
@@ -115,7 +134,24 @@ int dumpfirmware(int mmc){
 
     sdbase = calloc(32 + strlen(pkg1.id), sizeof(char));
     sprintf(sdbase, "sd:/tegraexplorer/Firmware/%d (%s)", pkg1.ver, pkg1.id);
-    gfx_printf("Out: %s\n", sdbase);
+
+    if (fsutil_checkfile(sdbase)){
+        SWAPCOLOR(COLOR_RED);
+        gfx_printf("Destination folder already exists.\nPress X to delete this folder, any other button to cancel\nPath: %s", sdbase);
+        
+        Inputs *input = hidWait();
+        if (!input->x){
+            free(sdbase);
+            return true;
+        }
+        else {
+            SWAPCOLOR(COLOR_WHITE);
+            gfx_printf("\nDeleting folder..\n");
+            fsact_del_recursive(sdbase);
+        }
+    }
+
+    gfx_printf("\rOut: %s\n", sdbase);
     f_mkdir(sdbase);
 
     if ((ret = f_opendir(&dir, sysbase)))
@@ -127,16 +163,39 @@ int dumpfirmware(int mmc){
     printerrors = 0;
 
     while(!f_readdir(&dir, &fno) && fno.fname[0] && !fail){
-        utils_copystring(fsutil_getnextloc(sdbase, fno.fname), &sdpath);
         utils_copystring(fsutil_getnextloc(sysbase, fno.fname), &syspathtemp);
     
         if (fno.fattrib & AM_DIR){
             utils_copystring(fsutil_getnextloc(syspathtemp, "00"), &syspath);
-            free(syspathtemp);
         }
         else
             syspath = syspathtemp;
 
+        if (daybreak){
+            u8 ContentType = GetNcaType(syspath);
+
+            if (ContentType < 0){
+                fail = true;
+                continue;
+            }
+
+            char *temp;
+            utils_copystring(fsutil_getnextloc(sdbase, fno.fname), &temp);
+            
+            if (ContentType == 0x01){
+                sdpath = calloc(strlen(temp) + 6, 1);
+                strcpy(sdpath, temp);
+                memcpy(sdpath + strlen(temp) - 4, ".cnmt.nca", 10);
+                free(temp);
+            }
+            else {
+                sdpath = temp;
+            }
+        }
+        else
+            utils_copystring(fsutil_getnextloc(sdbase, fno.fname), &sdpath);
+
+
         ret = fsact_copy(syspath, sdpath, 0);
 
         gfx_printf("%d %s\r", ++amount, fno.fname);
@@ -145,6 +204,8 @@ int dumpfirmware(int mmc){
             fail = true;
 
         free(sdpath);
+        free(syspathtemp);
+        if (syspath != syspathtemp)
             free(syspath);
     }
 

source/tegraexplorer/utils/tools.h

@@ -1,6 +1,7 @@
 #pragma once
+#include "../../utils/types.h"
 
 void displayinfo();
 void displaygpio();
 int format(int mode);
-int dumpfirmware(int mmc);
+int dumpfirmware(int mmc, bool daybreak);