mirror of
https://github.com/d0k3/GodMode9.git
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106 lines
4.9 KiB
C
106 lines
4.9 KiB
C
#include "ctrtransfer.h"
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#include "nandcmac.h"
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#include "fs.h"
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#include "essentials.h"
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#include "ui.h"
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/*static const u8 twl_mbr[0x42] = { // encrypted version inside the NCSD NAND header (@0x1BE)
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0x00, 0x04, 0x18, 0x00, 0x06, 0x01, 0xA0, 0x3F, 0x97, 0x00, 0x00, 0x00, 0xA9, 0x7D, 0x04, 0x00,
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0x00, 0x04, 0x8E, 0x40, 0x06, 0x01, 0xA0, 0xC3, 0x8D, 0x80, 0x04, 0x00, 0xB3, 0x05, 0x01, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x55, 0xAA
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};*/
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static const u8 ctr_mbr_o3ds[0x42] = { // found at the beginning of the CTRNAND partition (O3DS)
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0x00, 0x05, 0x2B, 0x00, 0x06, 0x02, 0x42, 0x80, 0x65, 0x01, 0x00, 0x00, 0x1B, 0x9F, 0x17, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x55, 0xAA
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};
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static const u8 ctr_mbr_n3ds[0x42] = { // found at the beginning of the CTRNAND partition (N3DS)
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0x00, 0x05, 0x1D, 0x00, 0x06, 0x02, 0x82, 0x17, 0x57, 0x01, 0x00, 0x00, 0x69, 0xE9, 0x20, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x55, 0xAA
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};
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u32 CheckTransferableMbr(void* data) { // strict checks, custom partitions not allowed
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u8* mbr = (u8*) data;
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if (memcmp(mbr + (0x200 - sizeof(ctr_mbr_o3ds)), ctr_mbr_o3ds, sizeof(ctr_mbr_o3ds)) == 0)
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return 0; // is transferable, O3DS type
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else if (memcmp(mbr + (0x200 - sizeof(ctr_mbr_n3ds)), ctr_mbr_n3ds, sizeof(ctr_mbr_n3ds)) == 0)
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return 0; // is transferable, N3DS type
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return 1;
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}
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u32 TransferCtrNandImage(const char* path_img, const char* drv) {
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if (!CheckWritePermissions(drv)) return 1;
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// backup current mount path, mount new path
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char path_store[256] = { 0 };
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char* path_bak = NULL;
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strncpy(path_store, GetMountPath(), 256);
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if (*path_store) path_bak = path_store;
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if (!InitImgFS(path_img)) {
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InitImgFS(path_bak);
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return 1;
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}
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// CTRNAND preparations
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SecureInfo* secnfo_img = (SecureInfo*) TEMP_BUFFER;
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SecureInfo* secnfo_loc = (SecureInfo*) (TEMP_BUFFER + 0x200);
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char* path_secnfo_a = (char*) (TEMP_BUFFER + 0x400);
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char* path_secnfo_b = (char*) (TEMP_BUFFER + 0x420);
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char* path_secnfo_c = (char*) (TEMP_BUFFER + 0x440);
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char* path_tickdb = (char*) (TEMP_BUFFER + 0x460);
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char* path_tickdb_bak = (char*) (TEMP_BUFFER + 0x480);
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snprintf(path_secnfo_a, 32, "%s/rw/sys/SecureInfo_A", drv);
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snprintf(path_secnfo_b, 32, "%s/rw/sys/SecureInfo_B", drv);
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snprintf(path_secnfo_c, 32, "%s/rw/sys/SecureInfo_C", drv);
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snprintf(path_tickdb, 32, "%s/dbs/ticket.db", drv);
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snprintf(path_tickdb_bak, 32, "%s/dbs/ticket.bak", drv);
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// special handling for out of region images (create SecureInfo_C)
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PathDelete(path_secnfo_c); // not required when transfering back to original region
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if (((FileGetData("7:/rw/sys/SecureInfo_A", (u8*) secnfo_img, sizeof(SecureInfo), 0) == sizeof(SecureInfo)) ||
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(FileGetData("7:/rw/sys/SecureInfo_B", (u8*) secnfo_img, sizeof(SecureInfo), 0) == sizeof(SecureInfo))) &&
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((FileGetData(path_secnfo_a, (u8*) secnfo_loc, sizeof(SecureInfo), 0) == sizeof(SecureInfo)) ||
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(FileGetData(path_secnfo_b, (u8*) secnfo_loc, sizeof(SecureInfo), 0) == sizeof(SecureInfo))) &&
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(secnfo_img->region != secnfo_loc->region)) {
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secnfo_loc->region = secnfo_img->region;
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FileSetData(path_secnfo_c, (u8*) secnfo_loc, sizeof(SecureInfo), 0, true);
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}
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// make a backup of ticket.db
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PathDelete(path_tickdb_bak);
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PathRename(path_tickdb, "ticket.bak");
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// actual transfer - db files / titles
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const char* dbnames[] = { "ticket.db", "certs.db", "title.db", "import.db", "tmp_t.db", "tmp_i.db" };
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char path_to[32];
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char path_from[32];
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char path_dbs[32];
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u32 flags = OVERWRITE_ALL;
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snprintf(path_dbs, 32, "%s/dbs", drv);
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for (u32 i = 0; i < sizeof(dbnames) / sizeof(char*); i++) {
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snprintf(path_to, 32, "%s/dbs/%s", drv, dbnames[i]);
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snprintf(path_from, 32, "7:/dbs/%s", dbnames[i]);
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PathDelete(path_to);
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PathCopy(path_dbs, path_from, &flags);
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FixFileCmac(path_to);
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}
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ShowString("Cleaning up titles, please wait...");
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snprintf(path_to, 32, "%s/title", drv);
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snprintf(path_from, 32, "7:/title");
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PathDelete(path_to);
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PathCopy(drv, path_from, &flags);
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InitImgFS(path_bak);
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return 0;
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}
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