The-Homebrew-Cloud/homebrew_on_menu_plugin
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Use a hash of the path as the lower title id

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Maschell 2020-06-17 14:31:38 +02:00
parent 156d636228
commit bcbab81885
3 changed files with 63 additions and 32 deletions
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23
src/main.cpp
View File

@ -98,6 +98,18 @@ void fillXmlForTitleID(uint32_t titleid_upper, uint32_t titleid_lower, ACPMetaXm
strncpy(out_buf->company_code, "0001", strlen("0001") + 1);
}
/* hash: compute hash value of string */
unsigned int hash(char *str) {
unsigned int h;
unsigned char *p;
h = 0;
for (p = (unsigned char *) str; *p != '\0'; p++) {
h = 37 * h + *p;
}
return h; // or, h % ARRAY_SIZE;
}
DECL_FUNCTION(int32_t, MCP_TitleList, uint32_t handle, uint32_t *outTitleCount, MCPTitleListType *titleList, uint32_t size) {
int32_t result = real_MCP_TitleList(handle, outTitleCount, titleList, size);
uint32_t titlecount = *outTitleCount;
@ -142,7 +154,7 @@ DECL_FUNCTION(int32_t, MCP_TitleList, uint32_t handle, uint32_t *outTitleCount,
strncpy(gFileInfos[j].name, dirList.GetFilename(i), 255);
gFileInfos[j].source = 0; //SD Card;
DEBUG_FUNCTION_LINE("[%d] %s\n", j, gFileInfos[j].path);
gFileInfos[j].lowerTitleID = hash(gFileInfos[j].path);
const char *indexedDevice = "mlc";
strcpy(template_title.indexedDevice, indexedDevice);
@ -161,6 +173,8 @@ DECL_FUNCTION(int32_t, MCP_TitleList, uint32_t handle, uint32_t *outTitleCount,
template_title.sdkVersion = __OSGetProcessSDKVersion();
template_title.unk0x60 = 0;
DEBUG_FUNCTION_LINE("[%d] %s [%016llX]\n", j, gFileInfos[j].path, template_title.titleId);
memcpy(&(titleList[titlecount]), &template_title, sizeof(template_title));
titlecount++;
@ -199,7 +213,9 @@ typedef struct __attribute((packed)) {
int32_t getRPXInfoForID(uint32_t id, romfs_fileInfo *info);
DECL_FUNCTION(int32_t, ACPCheckTitleLaunchByTitleListTypeEx, MCPTitleListType *title, uint32_t u2) {
if ((title->titleId & (UPPER_TITLE_ID_HOMEBREW << 16)) == (UPPER_TITLE_ID_HOMEBREW << 16) && (uint32_t) (title->titleId & 0xFFFFFFFF) < FILE_INFO_SIZE) {
if ((title->titleId & (UPPER_TITLE_ID_HOMEBREW << 16)) == (UPPER_TITLE_ID_HOMEBREW << 16)) {
int32_t id = getIDByLowerTitleID(title->titleId & 0xFFFFFFFF);
if (id > 0) {
DEBUG_FUNCTION_LINE("Started homebrew\n");
gHomebrewLaunched = TRUE;
fillXmlForTitleID((title->titleId & 0xFFFFFFFF00000000) >> 32, (title->titleId & 0xFFFFFFFF), &gLaunchXML);
@ -234,6 +250,9 @@ DECL_FUNCTION(int32_t, ACPCheckTitleLaunchByTitleListTypeEx, MCPTitleListType *t
IOS_Close(mcpFd);
}
return 0;
} else {
DEBUG_FUNCTION_LINE("Failed to get the id for titleID %016llX", title->titleId);
}
}
int result = real_ACPCheckTitleLaunchByTitleListTypeEx(title, u2);

9
src/romfs_helper.cpp
View File

@ -6,6 +6,15 @@
FileInfos gFileInfos[FILE_INFO_SIZE] __attribute__((section(".data")));
int32_t getIDByLowerTitleID(uint32_t lowerTitleID) {
for (int i = 0; i < FILE_INFO_SIZE; i++) {
if (strlen(gFileInfos[i].path) > 0 && gFileInfos[i].lowerTitleID == lowerTitleID) {
return i;
}
}
return -1;
}
void unmountRomfs(uint32_t id) {
if (id >= FILE_INFO_SIZE) {
return;

3
src/romfs_helper.h
View File

@ -8,6 +8,7 @@ typedef struct WUT_PACKED FileInfos_ {
char path[256];
char name[256];
int32_t source;
uint32_t lowerTitleID;
bool romfsMounted;
int openedFiles;
} FileInfos;
@ -15,6 +16,8 @@ typedef struct WUT_PACKED FileInfos_ {
#define FILE_INFO_SIZE 300
extern FileInfos gFileInfos[FILE_INFO_SIZE];
int32_t getIDByLowerTitleID(uint32_t lowerTitleID);
void unmountAllRomfs();
void unmountRomfs(uint32_t id);