The-Homebrew-Cloud/tcpgecko
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Implement almost working SD card cheats

Browse Source
This commit is contained in:
BullyWiiPlaza 2017-08-27 12:58:57 +02:00
parent e354bd4dc2
commit 738a750593
5 changed files with 836 additions and 861 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

166
src/fs/fs_utils.c
View File

@ -5,118 +5,113 @@
#include <fcntl.h>
#include "common/fs_defs.h"
#include "../dynamic_libs/fs_functions.h"
#include "../utils/logger.h"
int MountFS(void *pClient, void *pCmd, char **mount_path)
{
int result = -1;
int MountFS(void *pClient, void *pCmd, char **mount_path) {
int result = -1;
void *mountSrc = malloc(FS_MOUNT_SOURCE_SIZE);
if(!mountSrc)
return -3;
void *mountSrc = malloc(FS_MOUNT_SOURCE_SIZE);
if (!mountSrc)
return -3;
char* mountPath = (char*) malloc(FS_MAX_MOUNTPATH_SIZE);
if(!mountPath) {
free(mountSrc);
return -4;
}
char *mountPath = (char *) malloc(FS_MAX_MOUNTPATH_SIZE);
if (!mountPath) {
free(mountSrc);
return -4;
}
memset(mountSrc, 0, FS_MOUNT_SOURCE_SIZE);
memset(mountPath, 0, FS_MAX_MOUNTPATH_SIZE);
memset(mountSrc, 0, FS_MOUNT_SOURCE_SIZE);
memset(mountPath, 0, FS_MAX_MOUNTPATH_SIZE);
// Mount sdcard
if (FSGetMountSource(pClient, pCmd, FS_SOURCETYPE_EXTERNAL, mountSrc, -1) == 0)
{
result = FSMount(pClient, pCmd, mountSrc, mountPath, FS_MAX_MOUNTPATH_SIZE, -1);
if((result == 0) && mount_path) {
*mount_path = (char*)malloc(strlen(mountPath) + 1);
if(*mount_path)
strcpy(*mount_path, mountPath);
}
}
// Mount sdcard
result = FSGetMountSource(pClient, pCmd, FS_SOURCETYPE_EXTERNAL, mountSrc, -1);
if (result == 0) {
result = FSMount(pClient, pCmd, mountSrc, mountPath, FS_MAX_MOUNTPATH_SIZE, -1);
if ((result == 0) && mount_path) {
*mount_path = (char *) malloc(strlen(mountPath) + 1);
if (*mount_path)
strcpy(*mount_path, mountPath);
} else {
log_printf("FSMount error: %i\n", result);
}
} else {
log_printf("FSGetMountSource error: %i\n", result);
}
free(mountPath);
free(mountSrc);
return result;
free(mountPath);
free(mountSrc);
return result;
}
int UmountFS(void *pClient, void *pCmd, const char *mountPath)
{
int result = -1;
result = FSUnmount(pClient, pCmd, mountPath, -1);
return result;
int UmountFS(void *pClient, void *pCmd, const char *mountPath) {
return FSUnmount(pClient, pCmd, mountPath, -1);
}
int LoadFileToMem(const char *filepath, u8 **inbuffer, u32 *size)
{
// Always initialize input
int LoadFileToMem(const char *filepath, u8 **inbuffer, u32 *size) {
// Always initialize input
*inbuffer = NULL;
if(size)
*size = 0;
if (size)
*size = 0;
int iFd = open(filepath, O_RDONLY);
int iFd = open(filepath, O_RDONLY);
if (iFd < 0)
return -1;
u32 filesize = lseek(iFd, 0, SEEK_END);
lseek(iFd, 0, SEEK_SET);
lseek(iFd, 0, SEEK_SET);
u8 *buffer = (u8 *) malloc(filesize);
if (buffer == NULL)
{
close(iFd);
if (buffer == NULL) {
close(iFd);
return -2;
}
u32 blocksize = 0x4000;
u32 done = 0;
int readBytes = 0;
u32 blocksize = 0x4000;
u32 done = 0;
int readBytes = 0;
while(done < filesize)
{
if(done + blocksize > filesize) {
blocksize = filesize - done;
}
readBytes = read(iFd, buffer + done, blocksize);
if(readBytes <= 0)
break;
done += readBytes;
}
while (done < filesize) {
if (done + blocksize > filesize) {
blocksize = filesize - done;
}
readBytes = read(iFd, buffer + done, blocksize);
if (readBytes <= 0)
break;
done += readBytes;
}
close(iFd);
close(iFd);
if (done != filesize)
{
if (done != filesize) {
free(buffer);
return -3;
}
*inbuffer = buffer;
//! sign is optional input
if(size)
*size = filesize;
//! sign is optional input
if (size)
*size = filesize;
return filesize;
}
int CheckFile(const char * filepath)
{
if(!filepath)
int CheckFile(const char *filepath) {
if (!filepath)
return 0;
struct stat filestat;
char dirnoslash[strlen(filepath)+2];
char dirnoslash[strlen(filepath) + 2];
snprintf(dirnoslash, sizeof(dirnoslash), "%s", filepath);
while(dirnoslash[strlen(dirnoslash)-1] == '/')
dirnoslash[strlen(dirnoslash)-1] = '\0';
while (dirnoslash[strlen(dirnoslash) - 1] == '/')
dirnoslash[strlen(dirnoslash) - 1] = '\0';
char * notRoot = strrchr(dirnoslash, '/');
if(!notRoot)
{
char *notRoot = strrchr(dirnoslash, '/');
if (!notRoot) {
strcat(dirnoslash, "/");
}
@ -126,35 +121,29 @@ int CheckFile(const char * filepath)
return 0;
}
int CreateSubfolder(const char * fullpath)
{
if(!fullpath)
int CreateSubfolder(const char *fullpath) {
if (!fullpath)
return 0;
int result = 0;
char dirnoslash[strlen(fullpath)+1];
char dirnoslash[strlen(fullpath) + 1];
strcpy(dirnoslash, fullpath);
int pos = strlen(dirnoslash)-1;
while(dirnoslash[pos] == '/')
{
int pos = strlen(dirnoslash) - 1;
while (dirnoslash[pos] == '/') {
dirnoslash[pos] = '\0';
pos--;
}
if(CheckFile(dirnoslash))
{
if (CheckFile(dirnoslash)) {
return 1;
}
else
{
char parentpath[strlen(dirnoslash)+2];
} else {
char parentpath[strlen(dirnoslash) + 2];
strcpy(parentpath, dirnoslash);
char * ptr = strrchr(parentpath, '/');
char *ptr = strrchr(parentpath, '/');
if(!ptr)
{
if (!ptr) {
//!Device root directory (must be with '/')
strcat(parentpath, "/");
struct stat filestat;
@ -170,11 +159,10 @@ int CreateSubfolder(const char * fullpath)
result = CreateSubfolder(parentpath);
}
if(!result)
if (!result)
return 0;
if (mkdir(dirnoslash, 0777) == -1)
{
if (mkdir(dirnoslash, 0777) == -1) {
return 0;
}

1
src/fs/fs_utils.h
View File

@ -6,6 +6,7 @@ extern "C" {
#endif
#include <gctypes.h>
#include "../common/fs_defs.h"
int MountFS(void *pClient, void *pCmd, char **mount_path);
int UmountFS(void *pClient, void *pCmd, const char *mountPath);

1462
src/fs/sd_fat_devoptab.c
View File

File diff suppressed because it is too large Load Diff

68
src/tcp_gecko.cpp
View File

@ -23,6 +23,7 @@
#include "patcher/function_patcher_gx2.h"
#include "system/raw_assembly_cheats.h"
#include "fs/fs_utils.h"
#include "fs/sd_fat_devoptab.h"
void *client;
void *commandBlock;
@ -1485,27 +1486,56 @@ static int runTCPGeckoServer(int argc, void *argv) {
#define TITLE_ID_LENGTH 16
#define CODES_FILE_PATH_SIZE (SD_FILE_PATH_HEADER_LENGTH + TITLE_ID_LENGTH + EXTENSION_SIZE)
void applyCheatCodes() {
unsigned char filePath[CODES_FILE_PATH_SIZE];
memset(filePath, '0', sizeof(filePath));
memcpy(filePath, "sd:/codes/", SD_FILE_PATH_HEADER_LENGTH); // File path header
u64 titleID = OSGetTitleID();
char asciiTitleID[TITLE_ID_LENGTH];
snprintf(asciiTitleID, TITLE_ID_LENGTH, "%llX", titleID);
memcpy(filePath + SD_FILE_PATH_HEADER_LENGTH + TITLE_ID_LEADING_ZEROS, asciiTitleID, TITLE_ID_LENGTH); // Title ID
memcpy(filePath + SD_FILE_PATH_HEADER_LENGTH + TITLE_ID_LENGTH, ".gctu", EXTENSION_SIZE); // Extension
filePath[CODES_FILE_PATH_SIZE - 1] = '\0'; // Null-terminated
u64 cachedTitleID = 0;
unsigned char *codes = NULL;
unsigned int codesSize = 0;
int result = LoadFileToMem((const char *) filePath, &codes, &codesSize);
void considerApplyingSDCheats() {
u64 currentTitleID = OSGetTitleID();
if (result < 0) {
// Error, we won't write any codes
return;
if (cachedTitleID == currentTitleID) {
// log_print("Title ID NOT changed\n");
} else {
log_print("Title ID changed\n");
cachedTitleID = currentTitleID;
int result = mount_sd_fat("sd");
if (result < 0) {
log_printf("Mounting error: %i\n", result);
return;
}
unsigned char filePath[CODES_FILE_PATH_SIZE];
memset(filePath, '0', sizeof(filePath));
memcpy(filePath, "sd:/codes/", SD_FILE_PATH_HEADER_LENGTH); // File path header
log_printf("Title ID: %lu\n", currentTitleID);
char asciiTitleID[TITLE_ID_LENGTH];
snprintf(asciiTitleID, TITLE_ID_LENGTH, "%llX", currentTitleID);
memcpy(filePath + SD_FILE_PATH_HEADER_LENGTH + TITLE_ID_LEADING_ZEROS, asciiTitleID,
TITLE_ID_LENGTH); // Title ID
memcpy(filePath + SD_FILE_PATH_HEADER_LENGTH + TITLE_ID_LENGTH, ".gctu", EXTENSION_SIZE); // Extension
filePath[CODES_FILE_PATH_SIZE - 1] = '\0'; // Null-terminated
log_printf("File Path: %s\n", filePath);
unsigned char *codes = NULL;
unsigned int codesSize = 0;
result = LoadFileToMem((const char *) filePath, &codes, &codesSize);
if (result < 0) {
log_printf("Reading error: %i\n", result);
// Error, we won't write any codes
goto CLEANUP;
}
kernelCopyData((unsigned char *) 0x01133000, codes, codesSize);
log_print("Copied!\n");
CLEANUP:
result = unmount_sd_fat("sd");
if (result < 0) {
log_printf("Unmounting error: %i\n", result);
}
}
kernelCopyData((unsigned char *) 0x01133000, codes, codesSize);
}
static int startTCPGeckoThread(int argc, void *argv) {
@ -1538,7 +1568,7 @@ static int startTCPGeckoThread(int argc, void *argv) {
while (true) {
usleep(9000);
applyCheatCodes();
considerApplyingSDCheats();
// log_print("Running code handler...\n");
codeHandlerFunction();

BIN
tcpgecko.elf
View File

Binary file not shown.