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https://github.com/d0k3/GodMode9.git
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Safety measure for scriptrunners: 0:/iderped.firm
see: https://github.com/ScarletStudy/DGS1-3DS-Release/issues/47
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d0k3
parent
71d0cecf20
commit
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@ -46,6 +46,69 @@ typedef struct {
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} PaneData;
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} PaneData;
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u32 BootFirmHandler(const char* bootpath, bool verbose, bool delete) {
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char pathstr[32+1];
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TruncateString(pathstr, bootpath, 32, 8);
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size_t firm_size = FileGetSize(bootpath);
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if (!firm_size) return 1;
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if (firm_size > FIRM_MAX_SIZE) {
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if (verbose) ShowPrompt(false, "%s\nFIRM too big, can't boot", pathstr); // unlikely
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return 1;
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}
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if (verbose && !ShowPrompt(true, "%s (%dkB)\nWarning: Do not boot FIRMs\nfrom untrusted sources.\n \nBoot FIRM?",
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pathstr, firm_size / 1024))
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return 1;
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void* firm = (void*) malloc(FIRM_MAX_SIZE);
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if (!firm) return 1;
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if ((FileGetData(bootpath, firm, firm_size, 0) != firm_size) ||
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!IsBootableFirm(firm, firm_size)) {
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if (verbose) ShowPrompt(false, "%s\nNot a bootable FIRM.", pathstr);
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free(firm);
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return 1;
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}
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// encrypted firm handling
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FirmSectionHeader* arm9s = FindFirmArm9Section(firm);
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FirmA9LHeader* a9l = (FirmA9LHeader*)(void*) ((u8*) firm + arm9s->offset);
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if (verbose && (ValidateFirmA9LHeader(a9l) == 0) &&
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ShowPrompt(true, "%s\nFIRM is encrypted.\n \nDecrypt before boot?", pathstr) &&
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(DecryptFirmFull(firm, firm_size) != 0)) {
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free(firm);
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return 1;
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}
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// unsupported location handling
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char fixpath[256] = { 0 };
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if (verbose && (*bootpath != '0') && (*bootpath != '1')) {
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const char* optionstr[2] = { "Make a copy at " OUTPUT_PATH "/temp.firm", "Try to boot anyways" };
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u32 user_select = ShowSelectPrompt(2, optionstr, "%s\nWarning: Trying to boot from an\nunsupported location.", pathstr);
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if (user_select == 1) {
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FileSetData(OUTPUT_PATH "/temp.firm", firm, firm_size, 0, true);
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bootpath = OUTPUT_PATH "/temp.firm";
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} else if (!user_select) bootpath = "";
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}
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// fix the boot path ("sdmc"/"nand" for Luma et al, hacky af)
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if ((*bootpath == '0') || (*bootpath == '1'))
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snprintf(fixpath, 256, "%s%s", (*bootpath == '0') ? "sdmc" : "nand", bootpath + 1);
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else strncpy(fixpath, bootpath, 256);
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fixpath[255] = '\0';
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// boot the FIRM (if we got a proper fixpath)
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if (*fixpath) {
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if (delete) PathDelete(bootpath);
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BootFirm((FirmHeader*) firm, fixpath);
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while(1);
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}
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// a return was not intended
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free(firm);
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return 1;
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}
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u32 SplashInit(const char* modestr) {
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u32 SplashInit(const char* modestr) {
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u64 splash_size;
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u64 splash_size;
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u32 splash_width, splash_height;
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u32 splash_width, splash_height;
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@ -865,69 +928,6 @@ u32 StandardCopy(u32* cursor, u32* scroll) {
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return 0;
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return 0;
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}
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}
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u32 BootFirmHandler(const char* bootpath, bool verbose, bool delete) {
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char pathstr[32+1];
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TruncateString(pathstr, bootpath, 32, 8);
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size_t firm_size = FileGetSize(bootpath);
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if (!firm_size) return 1;
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if (firm_size > FIRM_MAX_SIZE) {
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if (verbose) ShowPrompt(false, "%s\nFIRM too big, can't boot", pathstr); // unlikely
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return 1;
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}
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if (verbose && !ShowPrompt(true, "%s (%dkB)\nWarning: Do not boot FIRMs\nfrom untrusted sources.\n \nBoot FIRM?",
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pathstr, firm_size / 1024))
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return 1;
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void* firm = (void*) malloc(FIRM_MAX_SIZE);
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if (!firm) return 1;
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if ((FileGetData(bootpath, firm, firm_size, 0) != firm_size) ||
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!IsBootableFirm(firm, firm_size)) {
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if (verbose) ShowPrompt(false, "%s\nNot a bootable FIRM.", pathstr);
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free(firm);
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return 1;
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}
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// encrypted firm handling
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FirmSectionHeader* arm9s = FindFirmArm9Section(firm);
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FirmA9LHeader* a9l = (FirmA9LHeader*)(void*) ((u8*) firm + arm9s->offset);
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if (verbose && (ValidateFirmA9LHeader(a9l) == 0) &&
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ShowPrompt(true, "%s\nFIRM is encrypted.\n \nDecrypt before boot?", pathstr) &&
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(DecryptFirmFull(firm, firm_size) != 0)) {
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free(firm);
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return 1;
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}
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// unsupported location handling
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char fixpath[256] = { 0 };
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if (verbose && (*bootpath != '0') && (*bootpath != '1')) {
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const char* optionstr[2] = { "Make a copy at " OUTPUT_PATH "/temp.firm", "Try to boot anyways" };
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u32 user_select = ShowSelectPrompt(2, optionstr, "%s\nWarning: Trying to boot from an\nunsupported location.", pathstr);
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if (user_select == 1) {
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FileSetData(OUTPUT_PATH "/temp.firm", firm, firm_size, 0, true);
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bootpath = OUTPUT_PATH "/temp.firm";
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} else if (!user_select) bootpath = "";
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}
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// fix the boot path ("sdmc"/"nand" for Luma et al, hacky af)
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if ((*bootpath == '0') || (*bootpath == '1'))
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snprintf(fixpath, 256, "%s%s", (*bootpath == '0') ? "sdmc" : "nand", bootpath + 1);
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else strncpy(fixpath, bootpath, 256);
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fixpath[255] = '\0';
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// boot the FIRM (if we got a proper fixpath)
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if (*fixpath) {
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if (delete) PathDelete(bootpath);
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BootFirm((FirmHeader*) firm, fixpath);
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while(1);
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}
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// a return was not intended
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free(firm);
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return 1;
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}
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u32 FileAttrMenu(const char* file_path) {
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u32 FileAttrMenu(const char* file_path) {
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FILINFO fno;
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FILINFO fno;
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if (fvx_stat(file_path, &fno) != FR_OK) {
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if (fvx_stat(file_path, &fno) != FR_OK) {
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@ -2592,6 +2592,10 @@ u32 ScriptRunner(int entrypoint) {
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while (CheckButton(BOOTPAUSE_KEY)); // don't continue while these keys are held
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while (CheckButton(BOOTPAUSE_KEY)); // don't continue while these keys are held
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while (timer_msec( timer ) < 500); // show splash for at least 0.5 sec
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while (timer_msec( timer ) < 500); // show splash for at least 0.5 sec
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// you didn't really install a scriptrunner to NAND, did you?
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if (IS_SIGHAX && (entrypoint == ENTRY_NANDBOOT))
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BootFirmHandler("0:/iderped.firm", false, false);
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if (PathExist("V:/" VRAM0_AUTORUN_GM9)) {
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if (PathExist("V:/" VRAM0_AUTORUN_GM9)) {
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ClearScreenF(true, true, COLOR_STD_BG); // clear splash
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ClearScreenF(true, true, COLOR_STD_BG); // clear splash
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