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Mount support for aeskeydb.bin files

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This commit is contained in:
d0k3 2017-04-18 17:27:44 +02:00
parent b278be0b49
commit 1aef326b98
10 changed files with 101 additions and 16 deletions
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2
source/common/common.h
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@ -50,7 +50,7 @@
// GodMode9 version
#define VERSION "1.1.0"
#define VERSION "1.1.1"
// Maximum payload size (arbitrary value!)
#define SELF_MAX_SIZE (320 * 1024) // 320kB

2
source/fs/filetype.h
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@ -30,7 +30,7 @@
#define FLAG_NUSCDN (1UL<<30)
#define FLAG_CXI (1UL<<31)
#define FTYPE_MOUNTABLE(tp) (tp&(IMG_FAT|IMG_NAND|GAME_CIA|GAME_NCSD|GAME_NCCH|GAME_EXEFS|GAME_ROMFS|SYS_FIRM|SYS_TICKDB))
#define FTYPE_MOUNTABLE(tp) (tp&(IMG_FAT|IMG_NAND|GAME_CIA|GAME_NCSD|GAME_NCCH|GAME_EXEFS|GAME_ROMFS|SYS_FIRM|SYS_TICKDB|BIN_KEYDB))
#define FYTPE_VERIFICABLE(tp) (tp&(IMG_NAND|GAME_CIA|GAME_NCSD|GAME_NCCH|GAME_TMD|GAME_BOSS|SYS_FIRM))
#define FYTPE_DECRYPTABLE(tp) (tp&(GAME_CIA|GAME_NCSD|GAME_NCCH|GAME_BOSS|GAME_NUSCDN|SYS_FIRM|BIN_KEYDB))
#define FYTPE_ENCRYPTABLE(tp) (tp&(GAME_CIA|GAME_NCSD|GAME_NCCH|GAME_BOSS|BIN_KEYDB))

4
source/fs/fsdrive.c
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@ -49,9 +49,7 @@ int DriveType(const char* path) {
type = DRV_VIRTUAL | DRV_XORPAD;
} else if (vsrc == VRT_MEMORY) {
type = DRV_VIRTUAL | DRV_MEMORY;
} else if (vsrc == VRT_GAME) {
type = DRV_VIRTUAL | DRV_GAME | DRV_IMAGE;
} else if (vsrc == VRT_TICKDB) { // GAME (???)
} else if ((vsrc == VRT_GAME) || (vsrc == VRT_KEYDB) || (vsrc == VRT_TICKDB)) {
type = DRV_VIRTUAL | DRV_GAME | DRV_IMAGE;
} else if (vsrc == VRT_CART) {
type = DRV_VIRTUAL | DRV_CART;

6
source/fs/fsdrive.h
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@ -5,7 +5,7 @@
#define NORM_FS 10
#define IMGN_FS 3 // image normal filesystems
#define VIRT_FS 11
#define VIRT_FS 12
// primary drive types
#define DRV_UNKNOWN (0<<0)
@ -34,13 +34,13 @@
"EMUNAND CTRNAND", "EMUNAND TWLN", "EMUNAND TWLP", "EMUNAND SD", "EMUNAND VIRTUAL", \
"IMGNAND CTRNAND", "IMGNAND TWLN", "IMGNAND TWLP", "IMGNAND VIRTUAL", \
"GAMECART", \
"GAME IMAGE", "TICKET.DB IMAGE", \
"GAME IMAGE", "AESKEYDB IMAGE", "TICKET.DB IMAGE", \
"MEMORY VIRTUAL", \
"NAND XORPADS", \
"LAST SEARCH" \
#define FS_DRVNUM \
"0:", "1:", "2:", "3:", "A:", "S:", "4:", "5:", "6:", "B:", "E:", "7:", "8:", "9:", "I:", "C:", "G:", "T:", "M:", "X:", "Z:"
"0:", "1:", "2:", "3:", "A:", "S:", "4:", "5:", "6:", "B:", "E:", "7:", "8:", "9:", "I:", "C:", "G:", "K:", "T:", "M:", "X:", "Z:"
/** Function to identify the type of a drive **/
int DriveType(const char* path);

4
source/godmode.c
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@ -839,7 +839,7 @@ u32 FileHandlerMenu(char* current_path, u32* cursor, u32* scroll, DirStruct* cur
if (clipboard->n_entries && (DriveType(clipboard->entry[0].path) & DRV_IMAGE))
clipboard->n_entries = 0; // remove last mounted image clipboard entries
InitImgFS(curr_entry->path);
if (!(DriveType("7:")||DriveType("G:")||DriveType("T:"))) {
if (!(DriveType("7:")||DriveType("G:")||DriveType("K:")||DriveType("T:"))) {
ShowPrompt(false, "Mounting image: failed");
InitImgFS(NULL);
} else {
@ -847,7 +847,7 @@ u32 FileHandlerMenu(char* current_path, u32* cursor, u32* scroll, DirStruct* cur
*current_path = '\0';
GetDirContents(current_dir, current_path);
for (u32 i = 0; i < current_dir->n_entries; i++) {
if (strspn(current_dir->entry[i].path, "7GTI") == 0)
if (strspn(current_dir->entry[i].path, "7GKTI") == 0)
continue;
strncpy(current_path, current_dir->entry[i].path, 256);
GetDirContents(current_dir, current_path);

13
source/virtual/virtual.c
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@ -3,6 +3,7 @@
#include "vmem.h"
#include "vgame.h"
#include "vtickdb.h"
#include "vkeydb.h"
#include "vcart.h"
typedef struct {
@ -23,7 +24,7 @@ u32 GetVirtualSource(const char* path) {
}
bool InitVirtualImageDrive(void) {
return InitVGameDrive() || InitVTickDbDrive();
return InitVGameDrive() || InitVTickDbDrive() || InitVKeyDbDrive();
}
bool CheckVirtualDrive(const char* path) {
@ -34,6 +35,8 @@ bool CheckVirtualDrive(const char* path) {
return CheckVGameDrive();
else if (virtual_src & VRT_TICKDB)
return CheckVTickDbDrive();
else if (virtual_src & VRT_KEYDB)
return CheckVKeyDbDrive();
return virtual_src; // this is safe for SysNAND & memory
}
@ -48,6 +51,8 @@ bool ReadVirtualDir(VirtualFile* vfile, VirtualDir* vdir) {
ret = ReadVGameDir(vfile, vdir);
} else if (virtual_src & VRT_TICKDB) {
ret = ReadVTickDbDir(vfile, vdir);
} else if (virtual_src & VRT_KEYDB) {
ret = ReadVKeyDbDir(vfile, vdir);
} else if (virtual_src & VRT_CART) {
ret = ReadVCartDir(vfile, vdir);
}
@ -180,6 +185,8 @@ int ReadVirtualFile(const VirtualFile* vfile, u8* buffer, u64 offset, u64 count,
return ReadVGameFile(vfile, buffer, offset, count);
} else if (vfile->flags & VRT_TICKDB) {
return ReadVTickDbFile(vfile, buffer, offset, count);
} else if (vfile->flags & VRT_KEYDB) {
return ReadVKeyDbFile(vfile, buffer, offset, count);
} else if (vfile->flags & VRT_CART) {
return ReadVCartFile(vfile, buffer, offset, count);
}
@ -199,7 +206,7 @@ int WriteVirtualFile(const VirtualFile* vfile, const u8* buffer, u64 offset, u64
return WriteVNandFile(vfile, buffer, offset, count);
} else if (vfile->flags & VRT_MEMORY) {
return WriteVMemFile(vfile, buffer, offset, count);
} // no write support for virtual game / tickdb / cart files
} // no write support for virtual game / tickdb / keydb / cart files
return -1;
}
@ -212,6 +219,8 @@ u64 GetVirtualDriveSize(const char* path) {
return GetVGameDriveSize();
else if (virtual_src & VRT_TICKDB)
return GetVTickDbDriveSize();
else if (virtual_src & VRT_KEYDB)
return GetVKeyDbDriveSize();
else if (virtual_src & VRT_CART)
return GetVCartDriveSize();
return 0;

7
source/virtual/virtual.h
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@ -11,16 +11,17 @@
#define VRT_MEMORY (1UL<<10)
#define VRT_GAME (1UL<<11)
#define VRT_TICKDB (1UL<<12)
#define VRT_CART (1UL<<13)
#define VRT_KEYDB (1UL<<13)
#define VRT_CART (1UL<<14)
#define VRT_SOURCE (VRT_SYSNAND|VRT_EMUNAND|VRT_IMGNAND|VRT_XORPAD|VRT_MEMORY|VRT_GAME|VRT_TICKDB|VRT_CART)
#define VRT_SOURCE (VRT_SYSNAND|VRT_EMUNAND|VRT_IMGNAND|VRT_XORPAD|VRT_MEMORY|VRT_GAME|VRT_TICKDB|VRT_KEYDB|VRT_CART)
#define VFLAG_DIR (1UL<<16)
#define VFLAG_ROOT (1UL<<17)
#define VFLAG_LV3 (1UL<<18)
#define VRT_DRIVES {'S', VRT_SYSNAND}, {'E', VRT_EMUNAND}, {'I', VRT_IMGNAND}, {'X', VRT_XORPAD }, \
{'M', VRT_MEMORY}, {'G', VRT_GAME}, {'T', VRT_TICKDB}, {'C', VRT_CART}
{'M', VRT_MEMORY}, {'G', VRT_GAME}, {'K', VRT_KEYDB}, {'T', VRT_TICKDB}, {'C', VRT_CART}
// virtual file flag (subject to change):
// bits 0...9 : reserved for NAND virtual sources and info

65
source/virtual/vkeydb.c Normal file
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@ -0,0 +1,65 @@
#include "vtickdb.h"
#include "image.h"
#include "keydb.h"
#define NAME_LEGKEY "slot0x%02lXKey%.10s.bin" // keyslot / type string
static AesKeyInfo* key_info = (AesKeyInfo*) VGAME_BUFFER; // full 1MB reserved (enough for 32768 entries)
static u32 n_keys = 0;
u32 InitVKeyDbDrive(void) { // prerequisite: aeskeydb.bin mounted as image
if (!(GetMountState() & BIN_KEYDB)) return 0;
// sanity check
u64 fsize = GetMountSize();
if (!fsize || (fsize % sizeof(AesKeyInfo)) || (fsize > VGAME_BUFFER_SIZE)) {
n_keys = 0;
return 0;
} else n_keys = fsize / sizeof(AesKeyInfo);
// load the full database into memory
if (ReadImageBytes((u8*) key_info, 0, fsize) != 0) n_keys = 0;
// decrypt keys if required
for (u32 i = 0; i < n_keys; i++) {
if (key_info[i].isEncrypted) CryptAesKeyInfo(&(key_info[i]));
}
return (n_keys) ? BIN_KEYDB : 0;
}
u32 CheckVKeyDbDrive(void) {
if ((GetMountState() & BIN_KEYDB) && n_keys) // very basic sanity check
return BIN_KEYDB;
return 0;
}
bool ReadVKeyDbDir(VirtualFile* vfile, VirtualDir* vdir) {
if (++vdir->index < (int) n_keys) {
AesKeyInfo* key_entry = key_info + vdir->index;
u32 keyslot = key_entry->slot;
char typestr[16] = { 0 };
if (*(key_entry->id)) snprintf(typestr, 10, key_entry->id);
else if (key_entry->type != 'N') *typestr = key_entry->type;
memset(vfile, 0, sizeof(VirtualFile));
snprintf(vfile->name, 32, NAME_LEGKEY, keyslot, typestr);
vfile->offset = vdir->index * sizeof(AesKeyInfo);
vfile->size = 16; // standard size of a key
vfile->keyslot = 0xFF;
return true; // found
}
return false;
}
int ReadVKeyDbFile(const VirtualFile* vfile, u8* buffer, u64 offset, u64 count) {
AesKeyInfo* key_entry = key_info + (vfile->offset / sizeof(AesKeyInfo));
memcpy(buffer, key_entry->key + offset, count);
return 0;
}
u64 GetVKeyDbDriveSize(void) {
return (n_keys) ? GetMountSize() : 0;
}

12
source/virtual/vkeydb.h Normal file
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@ -0,0 +1,12 @@
#pragma once
#include "common.h"
#include "virtual.h"
u32 InitVKeyDbDrive(void);
u32 CheckVKeyDbDrive(void);
bool ReadVKeyDbDir(VirtualFile* vfile, VirtualDir* vdir);
int ReadVKeyDbFile(const VirtualFile* vfile, u8* buffer, u64 offset, u64 count);
// int WriteVKeyDbFile(const VirtualFile* vfile, const u8* buffer, u64 offset, u64 count); // no writing
u64 GetVKeyDbDriveSize(void);

2
source/virtual/vtickdb.c
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@ -64,7 +64,7 @@ u32 AddTickDbInfo(TickDbInfo* info, Ticket* ticket, u32 offset) {
u32 InitVTickDbDrive(void) { // prerequisite: ticket.db mounted as image
const u32 area_offsets[] = { TICKDB_AREA_OFFSETS };
if (!(GetMountState() & SYS_TICKDB)) return 1;
if (!(GetMountState() & SYS_TICKDB)) return 0;
// reset internal db
memset(tick_info, 0, 16);