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Improved hidden bootloader

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This commit is contained in:
d0k3 2017-09-14 13:38:19 +02:00
parent 5cd1c7259f
commit 4244122dda
3 changed files with 30 additions and 14 deletions
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4
Makefile
View File

@ -56,6 +56,10 @@ ifeq ($(SAFEMODE),1)
CFLAGS += -DSAFEMODE
endif
ifeq ($(AL3X10MODE),1)
CFLAGS += -DAL3X10MODE
endif
ifeq ($(SWITCH_SCREENS),1)
CFLAGS += -DSWITCH_SCREENS
endif

2
source/game/firm.c
View File

@ -72,7 +72,7 @@ u32 ValidateFirm(void* firm, u32 firm_size, bool installable) {
FirmHeader* header = (FirmHeader*) firm;
// validate firm header
if (ValidateFirmHeader(header, firm_size) != 0)
if ((firm_size < sizeof(FirmHeader)) || (ValidateFirmHeader(header, firm_size) != 0))
return 1;
// check for boot9strap magic

38
source/godmode.c
View File

@ -50,7 +50,7 @@
#define BOOTLOADER_KEY BUTTON_LEFT
#define BOOTMENU_KEY BUTTON_R1
#define BOOTFIRM_PATH "0:/boot.firm"
#define BOOTFIRM_PATHS "0:/boot.firm", "1:/boot.firm", "S:/firm1.bin"
typedef struct {
char path[256];
@ -693,6 +693,7 @@ u32 BootFirmHandler(const char* bootpath, bool verbose) {
TruncateString(pathstr, bootpath, 32, 8);
size_t firm_size = FileGetSize(bootpath);
if (!firm_size) return 1;
if (firm_size > TEMP_BUFFER_SIZE) {
if (verbose) ShowPrompt(false, "%s\nFIRM too big, can't boot", pathstr); // unlikely
return 1;
@ -701,7 +702,7 @@ u32 BootFirmHandler(const char* bootpath, bool verbose) {
if (verbose && !ShowUnlockSequence(3, "%s (%dkB)\nBoot FIRM via chainloader?", pathstr, firm_size / 1024))
return 1;
if ((FileGetData(bootpath, TEMP_BUFFER, firm_size, 0) != firm_size) &&
if ((FileGetData(bootpath, TEMP_BUFFER, firm_size, 0) != firm_size) ||
(ValidateFirm(TEMP_BUFFER, firm_size, false) != 0)) {
if (verbose) ShowPrompt(false, "%s\nNot a bootable FIRM", pathstr);
return 1;
@ -1518,6 +1519,10 @@ u32 GodMode(bool is_b9s) {
bool bootloader = !is_b9s && IS_SIGHAX && CheckButton(BOOTLOADER_KEY);
bool bootmenu = !is_b9s && IS_SIGHAX && CheckButton(BOOTMENU_KEY);
#ifdef AL3X10MODE
bootloader = !is_b9s && IS_SIGHAX && !bootloader; // default bootloader
#endif
bool godmode9 = !bootloader && !bootmenu;
ClearScreenF(true, true, COLOR_STD_BG);
@ -1572,31 +1577,38 @@ u32 GodMode(bool is_b9s) {
if (bootmenu) {
while (true) {
const char* optionstr[5] = { "Boot " BOOTFIRM_PATH, "Select payload...", "Select scripts...",
bootloader = false;
while (!bootloader && !godmode9) {
const char* optionstr[6] = { "Resume bootloader", "Resume GodMode9", "Select payload...", "Select script...",
"Poweroff system", "Reboot system" };
int user_select = ShowSelectPrompt(5, optionstr, FLAVOR " bootloader menu.\nSelect action:");
int user_select = ShowSelectPrompt(6, optionstr, FLAVOR " bootloader menu.\nSelect action:");
char loadpath[256];
if (user_select == 1) {
BootFirmHandler(BOOTFIRM_PATH, false);
} else if ((user_select == 2) && (FileSelector(loadpath, "Bootloader payloads menu.\nSelect payload:", PAYLOAD_PATH, "*.firm", true, false))) {
bootloader = true;
} else if (user_select == 2) {
godmode9 = true;
} else if ((user_select == 3) && (FileSelector(loadpath, "Bootloader payloads menu.\nSelect payload:", PAYLOAD_PATH, "*.firm", true, false))) {
BootFirmHandler(loadpath, false);
} else if ((user_select == 3) && (FileSelector(loadpath, "Bootloader scripts menu.\nSelect script:", SCRIPT_PATH, "*.gm9", true, false))) {
} else if ((user_select == 4) && (FileSelector(loadpath, "Bootloader scripts menu.\nSelect script:", SCRIPT_PATH, "*.gm9", true, false))) {
ExecuteGM9Script(loadpath);
} else if (user_select == 4) {
exit_mode = GODMODE_EXIT_POWEROFF;
} else if (user_select == 5) {
exit_mode = GODMODE_EXIT_POWEROFF;
} else if (user_select == 6) {
exit_mode = GODMODE_EXIT_REBOOT;
} else if (user_select) continue;
break;
}
} else if (bootloader) {
BootFirmHandler(BOOTFIRM_PATH, false);
}
if (bootloader) {
const char* bootfirm_paths[] = { BOOTFIRM_PATHS };
for (u32 i = 0; i < sizeof(bootfirm_paths) / sizeof(char*); i++) {
BootFirmHandler(bootfirm_paths[i], false);
}
}
ClearScreenF(true, true, COLOR_STD_BG); // clear splash
while (!bootloader && !bootmenu) { // this is the main loop
while (godmode9) { // this is the main loop
int curr_drvtype = DriveType(current_path);
// basic sanity checking