mirror of
https://github.com/wiiu-env/MochaPayload.git
synced 2024-11-21 23:49:15 +01:00
Replace men.rpx with .rpx from sd card when reloading the iosu/ppc. Fixes returning from the settings.
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@ -3,7 +3,7 @@ This a lite version of the [original mocha](https://github.com/dimok789/mocha) t
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## Usage
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Place the `00_mocha.rpx` in the `sd:/wiiu/modules/setup` folder and run the [SetupPayload](https://github.com/wiiu-env/SetupPayload).
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Requires [PayloadFromRPX](https://github.com/wiiu-env/PayloadFromRPX) as `sd:/wiiu/root.rpx` to support returning from the system settings.
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## Patches
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- You can also place a RPX as `men.rpx` in the `sd:/wiiu` folder which will replace the Wii U Menu.
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@ -71,6 +71,9 @@ void instant_patches_setup(void) {
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*(volatile u32 *) (0x050254D6 - 0x05000000 + 0x081C0000) = (volatile u32 *) THUMB_BL(0x050254D6, MCP_LoadFile_patch);
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*(volatile u32 *) (0x05025242 - 0x05000000 + 0x081C0000) = (volatile u32 *) THUMB_BL(0x05025242, MCP_ioctl100_patch);
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*(volatile u32 *) (0x0501dd78 - 0x05000000 + 0x081C0000) = (volatile u32 *) THUMB_BL(0x0501dd78, MCP_ReadCOSXml_patch);
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*(volatile u32 *) (0x051105ce - 0x05000000 + 0x081C0000) = (volatile u32 *) THUMB_BL(0x051105ce, MCP_ReadCOSXml_patch);
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// change system.xml to syshax.xml
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/*
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*(volatile u32*)mcp_rodata_phys(0x050600F0) = 0x79736861; // ysha
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@ -51,6 +51,9 @@ void mcp_run_patches(u32 ios_elf_start) {
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section_write_word(ios_elf_start, 0x050254D6, THUMB_BL(0x050254D6, MCP_LoadFile_patch));
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section_write_word(ios_elf_start, 0x05025242, THUMB_BL(0x05025242, MCP_ioctl100_patch));
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section_write_word(ios_elf_start, 0x0501dd78, THUMB_BL(0x0501dd78, MCP_ReadCOSXml_patch));
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section_write_word(ios_elf_start, 0x051105ce, THUMB_BL(0x051105ce, MCP_ReadCOSXml_patch));
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// change system.xml to syshax.xml
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section_write_word(ios_elf_start, 0x050600F0, 0x79736861); // ysha
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section_write_word(ios_elf_start, 0x050600F4, 0x782E786D); // x.xm
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@ -21,6 +21,7 @@
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#include "../../common/ipc_defs.h"
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#include "fsa.h"
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#include "svc.h"
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#include "utils.h"
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#include <string.h>
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int (*const real_MCP_LoadFile)(ipcmessage *msg) = (void *) 0x0501CAA8 + 1; //+1 for thumb
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@ -62,10 +63,8 @@ int _MCP_LoadFile_patch(ipcmessage *msg) {
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int replace_fileoffset = rep_fileoffset;
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char *replace_path = rpxpath;
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skipPPCSetup = true;
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if (strncmp(request->name, "men.rpx", strlen("men.rpx")) == 0) {
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//replace_path = "wiiu/root.rpx";
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replace_path = "wiiu/root.rpx";
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if (skipPPCSetup) {
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replace_path = "wiiu/men.rpx";
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}
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@ -89,7 +88,7 @@ int _MCP_LoadFile_patch(ipcmessage *msg) {
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didrpxfirstchunk = false;
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}
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// if we don't explicitly replace files, we do want replace the Healt and Safety app with the HBL
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// if we don't explicitly replace files, we do want replace the Health and Safety app with the HBL
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if (!doWantReplaceRPX) {
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replace_path = "wiiu/apps/homebrew_launcher/homebrew_launcher.rpx";
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replace_target = LOAD_FILE_TARGET_SD_CARD;
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@ -125,8 +124,6 @@ static int MCP_LoadCustomFile(int target, char *path, int filesize, int fileoffs
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if (path == NULL) {
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return 0;
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}
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char filepath[256];
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memset(filepath, 0, sizeof(filepath));
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strncpy(filepath, path, sizeof(filepath) - 1);
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@ -153,7 +150,6 @@ static int MCP_LoadCustomFile(int target, char *path, int filesize, int fileoffs
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int result = MCP_DoLoadFile(filepath, NULL, buffer_out, buffer_len, pos + fileoffset, &bytesRead, 0);
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//log("MCP_DoLoadFile returned %d, bytesRead = %d pos %d \n", result, bytesRead, pos + fileoffset);
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if (result >= 0) {
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if (!bytesRead) {
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return 0;
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@ -168,6 +164,43 @@ static int MCP_LoadCustomFile(int target, char *path, int filesize, int fileoffs
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return result;
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}
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int _MCP_ReadCOSXml_patch(uint32_t u1, uint32_t u2, MCPPPrepareTitleInfo *xmlData) {
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int (*const real_MCP_ReadCOSXml_patch)(uint32_t u1, uint32_t u2, MCPPPrepareTitleInfo *xmlData) = (void *) 0x050024ec + 1; //+1 for thumb
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int res = real_MCP_ReadCOSXml_patch(u1, u2, xmlData);
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if (!skipPPCSetup) {
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if (xmlData->titleId == 0x0005001010040000 ||
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xmlData->titleId == 0x0005001010040100 ||
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xmlData->titleId == 0x0005001010040200) {
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xmlData->codegen_size = 0x02000000;
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xmlData->codegen_core = 0x80000001;
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xmlData->max_codesize = 0x02800000;
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/*
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xmlData->max_size = 0x40000000;
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xmlData->max_codesize = 0x00800000;
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xmlData->avail_size = 0;
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xmlData->overlay_arena = 0;
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for (uint32_t i = 0; i < 19; i++) {
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xmlData->permissions[i].mask = 0xFFFFFFFFFFFFFFFF;
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}
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xmlData->default_stack0_size = 0;
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xmlData->default_stack1_size = 0;
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xmlData->default_stack2_size = 0;
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xmlData->default_redzone0_size = 0;
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xmlData->default_redzone1_size = 0;
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xmlData->default_redzone2_size = 0;
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xmlData->exception_stack0_size = 0x00001000;
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xmlData->exception_stack1_size = 0x00001000;
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xmlData->exception_stack2_size = 0x00001000;
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*/
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}
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}
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return res;
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}
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/* RPX replacement! Call this ioctl to replace the next loaded RPX with an arbitrary path.
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DO NOT RETURN 0, this affects the codepaths back in the IOSU code */
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@ -18,3 +18,14 @@ MCP_ioctl100_patch:
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.arm
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ldr r12, =_MCP_ioctl100_patch
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bx r12
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.extern _MCP_ReadCOSXml_patch
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.global MCP_ReadCOSXml_patch
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MCP_ReadCOSXml_patch:
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.thumb
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bx pc
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nop
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.arm
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ldr r12, =_MCP_ReadCOSXml_patch
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bx r12
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@ -4,6 +4,8 @@
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#include <coreinit/cache.h>
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#include <coreinit/ios.h>
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#include "whb/log.h"
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#include "whb/log_udp.h"
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@ -15,10 +17,22 @@ int main(int argc, char **argv) {
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WHBLogUdpInit();
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WHBLogPrintf("Hello from mocha");
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unsigned long long sysmenuIdUll = _SYSGetSystemApplicationTitleId(0);
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memcpy((void *) 0xF417FFF0, &sysmenuIdUll, 8);
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DCStoreRange((void *) 0xF417FFF0, 0x8);
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ExecuteIOSExploit();
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// When the kernel exploit is set up successfully, we signal the ios to move on.
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int mcpFd = IOS_Open("/dev/mcp", (IOSOpenMode) 0);
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if (mcpFd >= 0) {
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int in = 0xFD;//IPC_CUSTOM_MEN_RPX_HOOK_COMPLETED;
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int out = 0;
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IOS_Ioctl(mcpFd, 100, &in, sizeof(in), &out, sizeof(out));
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IOS_Close(mcpFd);
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}
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WHBLogPrintf("Bye from mocha");
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return 0;
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}
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