The-Homebrew-Cloud/homebrew_on_menu_plugin
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Use romfs from wut, clean up, add support for custom icon in hbm

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Maschell 2019-12-08 22:49:08 +01:00
parent 3990b47359
commit b4b8138150
9 changed files with 526 additions and 1267 deletions
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489
src/main.cpp
View File

@ -23,11 +23,12 @@
#include <utils/logger.h>
#include <map>
#include <utils/utils.h>
#include "utils/StringTools.h"
#include <fs/DirList.h>
#include "romfs_dev.h"
#include <wut_romfs_dev.h>
#include "filelist.h"
#include "readFileWrapper.h"
#include "romfs_helper.h"
WUPS_PLUGIN_NAME("Homebrew SysLauncher");
WUPS_PLUGIN_DESCRIPTION("Allows the user to load homebrew from the System Menu");
@ -35,33 +36,12 @@ WUPS_PLUGIN_VERSION("0.1");
WUPS_PLUGIN_AUTHOR("Maschell");
WUPS_PLUGIN_LICENSE("GPL");
typedef struct WUT_PACKED FileInfos_ {
char path[256];
char name[256];
int32_t source;
bool romfsMounted;
int openedFiles;
} FileInfos;
typedef struct{
bool inUse;
int fd;
bool compressed;
bool cInitDone;
bool cCloseDone;
z_stream strm;
unsigned char in[0x1000];
} fileReadInformation;
#define FILE_INFO_SIZE 300
FileInfos gFileInfos[FILE_INFO_SIZE] __attribute__((section(".data")));
fileReadInformation gFileReadInformation[32] __attribute__((section(".data")));
char gIconCache[65580] __attribute__((section(".data")));
ACPMetaXml gLaunchXML __attribute__((section(".data")));
MCPTitleListType template_title __attribute__((section(".data")));
BOOL gHomebrewLaunched __attribute__((section(".data")));
WUPS_USE_WUT_CRT()
INITIALIZE_PLUGIN() {
@ -69,88 +49,10 @@ INITIALIZE_PLUGIN() {
memset((void*) &gLaunchXML,0,sizeof(gLaunchXML));
memset((void*) &gFileInfos,0,sizeof(gFileInfos));
memset((void*) &gFileReadInformation,0,sizeof(gFileReadInformation));
memset((void*) &gIconCache,0,sizeof(gIconCache));
gHomebrewLaunched = FALSE;
}
int EndsWith(const char *str, const char *suffix);
void closeAllStreams() {
for(int i = 0; i<32; i++) {
if(gFileReadInformation[i].inUse != false) {
}
}
}
int fileReadInformation_getSlot() {
for(int i = 0; i<32; i++) {
if(gFileReadInformation[i].inUse == false) {
gFileReadInformation[i].inUse = true;
return i;
}
}
return -1;
}
void unmountRomfs(uint32_t id);
int EndsWith(const char *str, const char *suffix) {
if (!str || !suffix)
return 0;
size_t lenstr = strlen(str);
size_t lensuffix = strlen(suffix);
if (lensuffix > lenstr)
return 0;
return strncmp(str + lenstr - lensuffix, suffix, lensuffix) == 0;
}
bool mountRomfs(uint32_t id) {
if(id >= FILE_INFO_SIZE){
DEBUG_FUNCTION_LINE("HANDLE WAS TOO BIG\n");
return false;
}
if(!gFileInfos[id].romfsMounted) {
char buffer [256];
snprintf(buffer,256,"fs:/vol/external01/%s", gFileInfos[id].path);
char romName [10];
snprintf(romName,10,"%08X", id);
DEBUG_FUNCTION_LINE("Mount %s as %s\n", buffer, romName);
if(romfsMount(romName,buffer) == 0) {
DEBUG_FUNCTION_LINE("Mounted successfully \n");
gFileInfos[id].romfsMounted = true;
return true;
} else {
DEBUG_FUNCTION_LINE("Mounting failed\n");
return false;
}
}
return true;
}
void listdir(const char *name, int indent) {
DEBUG_FUNCTION_LINE("Reading %s\n",name);
DIR *dir;
struct dirent *entry;
if (!(dir = opendir(name)))
return;
while ((entry = readdir(dir)) != NULL) {
if (entry->d_type == DT_DIR) {
char path[1024];
if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0)
continue;
snprintf(path, sizeof(path), "%s%s", name, entry->d_name);
DEBUG_FUNCTION_LINE("%*s[%s]\n", indent, "", entry->d_name);
listdir(path, indent + 2);
} else {
DEBUG_FUNCTION_LINE("%*s- %s\n", indent, "", entry->d_name);
}
}
closedir(dir);
}
ON_APPLICATION_START(args) {
socket_lib_init();
@ -163,9 +65,8 @@ ON_APPLICATION_START(args) {
}
}
void unmountAllRomfs();
ON_APPLICATION_END() {
closeAllStreams();
DeInitAllFiles();
unmountAllRomfs();
}
@ -197,53 +98,6 @@ void fillXmlForTitleID(uint32_t titleid_upper, uint32_t titleid_lower, ACPMetaXm
strncpy(out_buf->company_code,"0001",strlen("0001"));
}
// You must free the result if result is non-NULL.
char *str_replace(char *orig, char *rep, char *with) {
char *result; // the return string
char *ins; // the next insert point
char *tmp; // varies
int len_rep; // length of rep (the string to remove)
int len_with; // length of with (the string to replace rep with)
int len_front; // distance between rep and end of last rep
int count; // number of replacements
// sanity checks and initialization
if (!orig || !rep)
return NULL;
len_rep = strlen(rep);
if (len_rep == 0)
return NULL; // empty rep causes infinite loop during count
if (!with)
with = "";
len_with = strlen(with);
// count the number of replacements needed
ins = orig;
for (count = 0; tmp = strstr(ins, rep); ++count) {
ins = tmp + len_rep;
}
tmp = result = (char*)malloc(strlen(orig) + (len_with - len_rep) * count + 1);
if (!result)
return NULL;
// first time through the loop, all the variable are set correctly
// from here on,
// tmp points to the end of the result string
// ins points to the next occurrence of rep in orig
// orig points to the remainder of orig after "end of rep"
while (count--) {
ins = strstr(orig, rep);
len_front = ins - orig;
tmp = strncpy(tmp, orig, len_front) + len_front;
tmp = strcpy(tmp, with) + len_with;
orig += len_front + len_rep; // move to next "end of rep"
}
strcpy(tmp, orig);
return result;
}
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;
@ -279,7 +133,7 @@ DECL_FUNCTION(int32_t, MCP_TitleList, uint32_t handle, uint32_t* outTitleCount,
char * with = (char*)"";
char * input = (char*) dirList.GetFilepath(i);
char * path = str_replace(input,repl, with);
char * path = StringTools::str_replace(input,repl, with);
if(path != NULL) {
strncpy(gFileInfos[j].path,path, 255);
free(path);
@ -292,7 +146,7 @@ DECL_FUNCTION(int32_t, MCP_TitleList, uint32_t handle, uint32_t* outTitleCount,
const char * indexedDevice = "mlc";
strcpy(template_title.indexedDevice,indexedDevice);
if(EndsWith(gFileInfos[j].name, ".wbf")) {
if(StringTools::EndsWith(gFileInfos[j].name, ".wbf")) {
template_title.appType = MCP_APP_TYPE_GAME;
} else {
@ -364,10 +218,13 @@ DECL_FUNCTION(int32_t, ACPCheckTitleLaunchByTitleListTypeEx, MCPTitleListType* t
if(res >= 0) {
request.filesize = ((uint32_t*)&info.length)[1];
request.fileoffset = ((uint32_t*)&info.offset)[1];
loadFileIntoBuffer((title->titleId & 0xFFFFFFFF),"meta/iconTex.tga",gIconCache,sizeof(gIconCache));
}
strncpy(request.path, gFileInfos[(uint32_t)(title->titleId & 0xFFFFFFFF)].path, 255);
DEBUG_FUNCTION_LINE("Loading file %s size: %08X offset: %08X\n", request.path, request.filesize, request.fileoffset);
DCFlushRange(&request, sizeof(LOAD_REQUEST));
@ -386,178 +243,16 @@ DECL_FUNCTION(int32_t, ACPCheckTitleLaunchByTitleListTypeEx, MCPTitleListType* t
}
void unmountRomfs(uint32_t id) {
if(id >= FILE_INFO_SIZE){
return;
}
if(gFileInfos[id].romfsMounted) {
char romName [10];
snprintf(romName,10,"%08X", id);
DEBUG_FUNCTION_LINE("Unmounting %s\n", romName);
int res = romfsUnmount(romName);
DEBUG_FUNCTION_LINE("res: %d\n",res);
gFileInfos[id].romfsMounted = false;
}
}
void unmountAllRomfs() {
for(int i = 0; i < FILE_INFO_SIZE; i++) {
unmountRomfs(i);
}
}
bool file_exist (char *filename) {
struct stat buffer;
return (stat (filename, &buffer) == 0);
}
bool initCompressedFileReadInformation(fileReadInformation * info){
if(info == NULL || !info->compressed){
info->cInitDone = false;
return false;
}
if(info->cInitDone){
return true;
}
/* allocate inflate state */
info->strm.zalloc = Z_NULL;
info->strm.zfree = Z_NULL;
info->strm.opaque = Z_NULL;
info->strm.avail_in = 0;
info->strm.next_in = Z_NULL;
int ret = inflateInit2(&info->strm, MAX_WBITS | 16); //gzip
if (ret != Z_OK){
DEBUG_FUNCTION_LINE("ret != Z_OK\n");
info->cInitDone = false;
return false;
}
info->cInitDone = true;
return true;
}
int32_t FSOpenFile_for_ID(uint32_t id, const char * filepath, int * handle) {
if(!mountRomfs(id)) {
return -1;
}
char romName [10];
snprintf(romName,10,"%08X", id);
char * test = (char *) malloc(strlen(filepath)+1);
char last = 0;
int j = 0;
for(int i = 0; filepath[i] != 0; i++) {
if(filepath[i] == '/' ) {
if(filepath[i] != last) {
test[j++] = filepath[i];
}
} else {
test[j++] = filepath[i];
}
last = filepath[i];
}
test[j++] = 0;
char buffer [256];
snprintf(buffer,256,"%s:/%s.gz",romName, test);
bool nonCompressed = false;
if(!file_exist(buffer)) {
snprintf(buffer,256,"%s:/%s",romName, test);
if(!file_exist(buffer)) {
return -3;
}
nonCompressed = true;
}
int fd = open(buffer,0);
if(fd >= 0) {
DEBUG_FUNCTION_LINE("Opened %s from %s \n",buffer, romName );
int slot = fileReadInformation_getSlot();
if(slot < 0){
return -5;
}
fileReadInformation * info = &gFileReadInformation[slot];
info->fd = fd;
if(!nonCompressed){
info->compressed = true;
initCompressedFileReadInformation(info);
DEBUG_FUNCTION_LINE("Init compressed, got slot %d\n", slot);
}else{
info->cInitDone = true;
}
*handle = 0xFF000000 + slot;
return 0;
}
/*
DEBUG_FUNCTION_LINE("OPENING %s\n", buffer);
std::istream* is = new zstr::ifstream(buffer);
DEBUG_FUNCTION_LINE("OPENED %s\n", buffer);
if(is != NULL) {
for(int i = 0; i<100; i++) {
if(gFileHandleToStream[i] == NULL) {
DEBUG_FUNCTION_LINE("Set stream to id %d\n",i);
gFileHandleToStream[i] = is;
*handle = 0xFF000000 + i;
return 0;
}
}
}
DEBUG_FUNCTION_LINE("Failed to find handle \n");*/
return -2;
}
int32_t getRPXInfoForID(uint32_t id, romfs_fileInfo * info) {
if(!mountRomfs(id)) {
return -1;
}
DIR *dir;
struct dirent *entry;
char romName [10];
snprintf(romName,10,"%08X", id);
char root[12];
snprintf(root,12,"%08X:/", id);
if (!(dir = opendir(root))) {
return -2;
}
bool found = false;
int res = -3;
while ((entry = readdir(dir)) != NULL) {
if(EndsWith(entry->d_name, ".rpx")) {
if(romfs_GetFileInfoPerPath(romName, entry->d_name, info) >= 0) {
found = true;
res = 0;
}
break;
}
}
closedir(dir);
if(!found) {
return -4;
}
return res;
}
DECL_FUNCTION(int, FSOpenFile, FSClient *client, FSCmdBlock *block, char *path, const char *mode, int *handle, int error) {
char * start = "/vol/storage_mlc01/sys/title/0005000F";
char * icon = ".tga";
char * iconTex = "iconTex.tga";
char * sound = ".btsnd";
if(EndsWith(path,icon) || EndsWith(path,sound)) {
if(strncmp(path,start,strlen(start)) == 0/* || (gHomebrewLaunched && EndsWith(path,iconTex))*/) {
if(StringTools::EndsWith(path,icon) || StringTools::EndsWith(path,sound)) {
if(strncmp(path,start,strlen(start)) == 0) {
int res = FS_STATUS_NOT_FOUND;
if(EndsWith(path,iconTex)) {
if(StringTools::EndsWith(path,iconTex)) {
// fallback to dummy icon if loaded homebrew is no .wbf
//*handle = 0x1337;
res = FS_STATUS_NOT_FOUND;
@ -572,6 +267,17 @@ DECL_FUNCTION(int, FSOpenFile, FSClient *client, FSCmdBlock *block, char *path,
return res;
}
return FS_STATUS_OK;
} else if(gHomebrewLaunched) {
socket_lib_init();
log_init();
if(StringTools::EndsWith(path,iconTex)) {
*handle = 0x13371337;
DEBUG_FUNCTION_LINE("yooo let's do it\n");
return FS_STATUS_OK;
}else{
DEBUG_FUNCTION_LINE("%s\n",path);
}
}
}
@ -579,147 +285,48 @@ DECL_FUNCTION(int, FSOpenFile, FSClient *client, FSCmdBlock *block, char *path,
return result;
}
bool DeInitFile(int slot){
if(gFileReadInformation[slot].compressed && gFileReadInformation[slot].cInitDone){
/* clean up and return */
(void)inflateEnd(&(gFileReadInformation[slot].strm));
}
close(gFileReadInformation[slot].fd);
gFileReadInformation[slot].inUse = false;
memset(&gFileReadInformation[slot],0, sizeof(fileReadInformation));
return true;
}
DECL_FUNCTION(FSStatus, FSCloseFile, FSClient *client, FSCmdBlock *block, FSFileHandle handle, uint32_t flags) {
if(handle == 0x1337) {
//return FS_STATUS_OK;
if(handle == 0x13371337) {
return FS_STATUS_OK;
}
if((handle & 0xFF000000) == 0xFF000000) {
int32_t fd = (handle & 0x00FFFFFF);
DEBUG_FUNCTION_LINE("Close %d\n", fd);
int32_t fd = (handle & 0x00000FFF);
int32_t romid = (handle & 0x00FFF000) >> 12;
DEBUG_FUNCTION_LINE("Close %d %d\n", fd, romid);
DeInitFile(fd);
unmountAllRomfs();
if(gFileInfos[romid].openedFiles--) {
if(gFileInfos[romid].openedFiles <= 0) {
DEBUG_FUNCTION_LINE("unmount romfs no more handles\n");
unmountRomfs(romid);
}
}
//unmountAllRomfs();
return FS_STATUS_OK;
}
return real_FSCloseFile(client,block,handle,flags);
}
bool initFile(int slot){
if(gFileReadInformation[slot].compressed && !gFileReadInformation[slot].cInitDone){
initCompressedFileReadInformation(&gFileReadInformation[slot]);
if(!gFileReadInformation[slot].cInitDone){
DEBUG_FUNCTION_LINE("Failed to init\n");
return false;
}
}
return true;
}
int readFile(int slot, uint8_t * buffer, uint32_t size){
fileReadInformation * info = &gFileReadInformation[slot];
if(!info->compressed){
//DEBUG_FUNCTION_LINE("non compressed\n");
return read(info->fd, buffer, size);
}else{
int startValue = info->strm.total_out;
int newSize = 0;
int ret = 0;
//DEBUG_FUNCTION_LINE("We want to read %d\n", size);
//DEBUG_FUNCTION_LINE("startValue %d \n",startValue);
do {
int CHUNK = 0x1000;
int nextOut = CHUNK;
if(nextOut > size){
nextOut = size;
}
//DEBUG_FUNCTION_LINE("nextOut = %d\n",nextOut);
if(info->strm.avail_in == 0){
//DEBUG_FUNCTION_LINE("Reading %d from compressed stream\n",CHUNK);
info->strm.avail_in = read(info->fd, info->in, CHUNK);
if (info->strm.avail_in == 0){
DEBUG_FUNCTION_LINE("strm.avail_in is 0\n");
break;
}
info->strm.next_in = info->in;
}
//DEBUG_FUNCTION_LINE("info->strm.avail_in = %d\n",info->strm.avail_in);
//DEBUG_FUNCTION_LINE("info->strm.next_in = %d\n",info->strm.next_in);
/* run inflate() on input until output buffer not full */
do {
//DEBUG_FUNCTION_LINE("newSize %d, size %d, info->strm.avail_out %d\n", newSize, size, info->strm.avail_out);
if(nextOut > size - newSize){
nextOut = size - newSize;
}
info->strm.avail_out = nextOut;
//DEBUG_FUNCTION_LINE("info->strm.avail_out = %d\n",info->strm.avail_out);
info->strm.next_out = (buffer + newSize);
//DEBUG_FUNCTION_LINE("info->strm.next_out = %08X\n",info->strm.next_out);
ret = inflate(&info->strm, Z_NO_FLUSH);
//DEBUG_FUNCTION_LINE("ret = %d\n",ret);
if(ret == Z_STREAM_ERROR){
DEBUG_FUNCTION_LINE("Z_STREAM_ERROR\n");
return (FSStatus)0;
}
switch (ret) {
case Z_NEED_DICT:
DEBUG_FUNCTION_LINE("Z_NEED_DICT\n");
ret = Z_DATA_ERROR; /* and fall through */
case Z_DATA_ERROR:
case Z_MEM_ERROR:
DEBUG_FUNCTION_LINE("Z_MEM_ERROR or Z_DATA_ERROR\n");
(void)inflateEnd(&info->strm);
return (FSStatus) ret;
}
int canBeWritten = CHUNK - info->strm.avail_out;
//DEBUG_FUNCTION_LINE("canBeWritten = %d\n",canBeWritten);
newSize = info->strm.total_out - startValue;
if(newSize == size){
//DEBUG_FUNCTION_LINE("newSize was as wanted %d\n", newSize);
break;
}
nextOut = CHUNK;
if(newSize + nextOut >= (size)){
nextOut = (size) - newSize;
}
//DEBUG_FUNCTION_LINE("newSize = %d\n",newSize);
//DEBUG_FUNCTION_LINE("nextOut = %d\n",nextOut);
} while (info->strm.avail_out == 0 && newSize < (size));
/* done when inflate() says it's done */
} while (ret != Z_STREAM_END && newSize < size);
return newSize;
}
}
DECL_FUNCTION(FSStatus, FSReadFile, FSClient *client, FSCmdBlock *block, uint8_t *buffer, uint32_t size, uint32_t count, FSFileHandle handle,uint32_t unk1, uint32_t flags) {
if(handle == 0x1337) {
if(handle == 0x13371337) {
int cpySize = size*count;
if(iconTex_tga_size < cpySize) {
cpySize = iconTex_tga_size;
if(sizeof(gIconCache) < cpySize) {
cpySize = sizeof(gIconCache);
}
memcpy(buffer, iconTex_tga, cpySize);
memcpy(buffer, gIconCache, cpySize);
DEBUG_FUNCTION_LINE("DUMMY\n");
return (FSStatus)(cpySize/size);
}
if((handle & 0xFF000000) == 0xFF000000) {
int32_t fd = (handle & 0x00FFFFFF);
int32_t fd = (handle & 0x00000FFF);
int32_t romid = (handle & 0x00FFF000) >> 12;
DEBUG_FUNCTION_LINE("READ %d from %d rom: %d\n", size*count, fd, romid);
initFile(fd);
int readSize = readFile(fd, buffer, (size*count));
//DEBUG_FUNCTION_LINE("READ %d from %d result %d\n", size*count, fd, readSize);
return (FSStatus)(readSize / size);
}
FSStatus result = real_FSReadFile(client, block, buffer, size, count, handle, unk1, flags);
@ -744,8 +351,6 @@ DECL_FUNCTION(int32_t, ACPGetTitleMetaDirByDevice, uint32_t titleid_upper, uint3
return result;
}
DECL_FUNCTION(int32_t, _SYSLaunchTitleByPathFromLauncher, char* pathToLoad, uint32_t u2) {
const char * start = "/custom/";
if(strncmp(pathToLoad,start,strlen(start)) == 0) {

244
src/readFileWrapper.cpp Normal file
View File

@ -0,0 +1,244 @@
#include "readFileWrapper.h"
#include "fs/FSUtils.h"
#include "utils/logger.h"
#include <unistd.h>
#include <malloc.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "romfs_helper.h"
fileReadInformation gFileReadInformation[FILE_READ_INFO_SIZE] __attribute__((section(".data")));
int readFile(int slot, uint8_t * buffer, uint32_t size) {
fileReadInformation * info = &gFileReadInformation[slot];
if(!info->compressed) {
//DEBUG_FUNCTION_LINE("non compressed\n");
return read(info->fd, buffer, size);
} else {
int startValue = info->strm.total_out;
int newSize = 0;
int ret = 0;
//DEBUG_FUNCTION_LINE("We want to read %d\n", size);
//DEBUG_FUNCTION_LINE("startValue %d \n",startValue);
do {
int CHUNK = 0x1000;
int nextOut = CHUNK;
if(nextOut > size) {
nextOut = size;
}
//DEBUG_FUNCTION_LINE("nextOut = %d\n",nextOut);
if(info->strm.avail_in == 0) {
//DEBUG_FUNCTION_LINE("Reading %d from compressed stream\n",CHUNK);
info->strm.avail_in = read(info->fd, info->in, CHUNK);
if (info->strm.avail_in == 0) {
DEBUG_FUNCTION_LINE("strm.avail_in is 0\n");
break;
}
info->strm.next_in = info->in;
}
//DEBUG_FUNCTION_LINE("info->strm.avail_in = %d\n",info->strm.avail_in);
//DEBUG_FUNCTION_LINE("info->strm.next_in = %d\n",info->strm.next_in);
/* run inflate() on input until output buffer not full */
do {
//DEBUG_FUNCTION_LINE("newSize %d, size %d, info->strm.avail_out %d\n", newSize, size, info->strm.avail_out);
if(nextOut > size - newSize) {
nextOut = size - newSize;
}
info->strm.avail_out = nextOut;
//DEBUG_FUNCTION_LINE("info->strm.avail_out = %d\n",info->strm.avail_out);
info->strm.next_out = (buffer + newSize);
//DEBUG_FUNCTION_LINE("info->strm.next_out = %08X\n",info->strm.next_out);
ret = inflate(&info->strm, Z_NO_FLUSH);
//DEBUG_FUNCTION_LINE("ret = %d\n",ret);
if(ret == Z_STREAM_ERROR) {
DEBUG_FUNCTION_LINE("Z_STREAM_ERROR\n");
return 0;
}
switch (ret) {
case Z_NEED_DICT:
DEBUG_FUNCTION_LINE("Z_NEED_DICT\n");
ret = Z_DATA_ERROR; /* and fall through */
case Z_DATA_ERROR:
case Z_MEM_ERROR:
DEBUG_FUNCTION_LINE("Z_MEM_ERROR or Z_DATA_ERROR\n");
(void)inflateEnd(&info->strm);
return ret;
}
int canBeWritten = CHUNK - info->strm.avail_out;
//DEBUG_FUNCTION_LINE("canBeWritten = %d\n",canBeWritten);
newSize = info->strm.total_out - startValue;
if(newSize == size) {
//DEBUG_FUNCTION_LINE("newSize was as wanted %d\n", newSize);
break;
}
nextOut = CHUNK;
if(newSize + nextOut >= (size)) {
nextOut = (size) - newSize;
}
//DEBUG_FUNCTION_LINE("newSize = %d\n",newSize);
//DEBUG_FUNCTION_LINE("nextOut = %d\n",nextOut);
} while (info->strm.avail_out == 0 && newSize < (size));
/* done when inflate() says it's done */
} while (ret != Z_STREAM_END && newSize < size);
return newSize;
}
}
bool DeInitFile(int slot) {
if(gFileReadInformation[slot].compressed && gFileReadInformation[slot].cInitDone) {
/* clean up and return */
(void)inflateEnd(&(gFileReadInformation[slot].strm));
}
close(gFileReadInformation[slot].fd);
gFileReadInformation[slot].inUse = false;
memset(&gFileReadInformation[slot],0, sizeof(fileReadInformation));
return true;
}
void DeInitAllFiles() {
for(int i = 0; i<FILE_READ_INFO_SIZE; i++) {
fileReadInformation * info = &gFileReadInformation[i];
if(info->inUse) {
DeInitFile(i);
}
}
}
int fileReadInformation_getSlot() {
for(int i = 0; i<32; i++) {
if(gFileReadInformation[i].inUse == false) {
gFileReadInformation[i].inUse = true;
return i;
}
}
return -1;
}
bool initCompressedFileReadInformation(fileReadInformation * info) {
if(info == NULL || !info->compressed) {
info->cInitDone = false;
return false;
}
if(info->cInitDone) {
return true;
}
/* allocate inflate state */
info->strm.zalloc = Z_NULL;
info->strm.zfree = Z_NULL;
info->strm.opaque = Z_NULL;
info->strm.avail_in = 0;
info->strm.next_in = Z_NULL;
int ret = inflateInit2(&info->strm, MAX_WBITS | 16); //gzip
if (ret != Z_OK) {
DEBUG_FUNCTION_LINE("ret != Z_OK\n");
info->cInitDone = false;
return false;
}
info->cInitDone = true;
return true;
}
int32_t loadFileIntoBuffer(uint32_t id, char * filepath, char * buffer, int sizeToRead) {
if(!mountRomfs(id)) {
return -1;
}
int handle = 0;
if(FSOpenFile_for_ID(id, filepath, &handle) != 0){
return -2;
}
int32_t fd = (handle & 0x00000FFF);
int32_t romid = (handle & 0x00FFF000) >> 12;
DEBUG_FUNCTION_LINE("READ %d from %d rom: %d\n", sizeToRead, fd, romid);
int readSize = readFile(fd, (uint8_t*)buffer, (sizeToRead));
DEBUG_FUNCTION_LINE("Close %d %d\n", fd, romid);
DeInitFile(fd);
if(gFileInfos[romid].openedFiles--){
if(gFileInfos[romid].openedFiles <= 0){
DEBUG_FUNCTION_LINE("unmount romfs no more handles\n");
unmountRomfs(romid);
}
}
return readSize;
}
int32_t FSOpenFile_for_ID(uint32_t id, const char * filepath, int * handle) {
if(!mountRomfs(id)) {
return -1;
}
char romName [10];
snprintf(romName,10,"%08X", id);
char * test = (char *) malloc(strlen(filepath)+1);
char last = 0;
int j = 0;
for(int i = 0; filepath[i] != 0; i++) {
if(filepath[i] == '/' ) {
if(filepath[i] != last) {
test[j++] = filepath[i];
}
} else {
test[j++] = filepath[i];
}
last = filepath[i];
}
test[j++] = 0;
char buffer [256];
snprintf(buffer,256,"%s:/%s.gz",romName, test);
bool nonCompressed = false;
if(!FSUtils::CheckFile(buffer)) {
snprintf(buffer,256,"%s:/%s",romName, test);
if(!FSUtils::CheckFile(buffer)) {
return -3;
}
nonCompressed = true;
}
int fd = open(buffer,0);
if(fd >= 0) {
DEBUG_FUNCTION_LINE("Opened %s from %s \n",buffer, romName );
int slot = fileReadInformation_getSlot();
if(slot < 0) {
DEBUG_FUNCTION_LINE("Failed to get a slot\n");
return -5;
}
fileReadInformation * info = &gFileReadInformation[slot];
info->fd = fd;
if(!nonCompressed) {
info->compressed = true;
initCompressedFileReadInformation(info);
DEBUG_FUNCTION_LINE("Init compressed, got slot %d\n", slot);
} else {
info->cInitDone = true;
}
*handle = 0xFF000000 | (id << 12) | (slot & 0x00000FFF);
gFileInfos[id].openedFiles++;
return 0;
}
return -2;
}

37
src/readFileWrapper.h Normal file
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@ -0,0 +1,37 @@
#pragma once
#include <stdint.h>
#include <stdbool.h>
#include <zlib.h>
typedef struct {
bool inUse;
int fd;
bool compressed;
bool cInitDone;
bool cCloseDone;
z_stream strm;
unsigned char in[0x1000];
} fileReadInformation;
#define FILE_READ_INFO_SIZE 32
extern fileReadInformation gFileReadInformation[FILE_READ_INFO_SIZE];
bool initFile(int slot);
int readFile(int slot, uint8_t * buffer, uint32_t size);
bool DeInitFile(int slot);
void DeInitAllFiles();
int32_t loadFileIntoBuffer(uint32_t id, char * filepath, char * buffer, int sizeToRead) ;
int32_t FSOpenFile_for_ID(uint32_t id, const char * filepath, int * handle);
int fileReadInformation_getSlot();
bool initCompressedFileReadInformation(fileReadInformation * info);

702
src/romfs_dev.c
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@ -1,702 +0,0 @@
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <stdlib.h>
#include <string.h>
#include <sys/dirent.h>
#include <sys/iosupport.h>
#include <sys/param.h>
#include <unistd.h>
#include <stdbool.h>
#include "romfs_dev.h"
typedef enum {
RomfsSource_FileDescriptor,
} RomfsSource;
typedef struct romfs_mount {
devoptab_t device;
bool setup;
RomfsSource fd_type;
int32_t id;
int32_t fd;
time_t mtime;
uint64_t offset;
romfs_header header;
romfs_dir *cwd;
uint32_t *dirHashTable, *fileHashTable;
void *dirTable, *fileTable;
char name[32];
} romfs_mount;
extern int __system_argc;
extern char** __system_argv;
//static char __thread __component[PATH_MAX+1];
static char __component[PATH_MAX+1];
#define romFS_root(m) ((romfs_dir*)(m)->dirTable)
#define romFS_dir(m,x) ((romfs_dir*) ((uint8_t*)(m)->dirTable + (x)))
#define romFS_file(m,x) ((romfs_file*)((uint8_t*)(m)->fileTable + (x)))
#define romFS_none ((uint32_t)~0)
#define romFS_dir_mode (S_IFDIR | S_IRUSR | S_IRGRP | S_IROTH)
#define romFS_file_mode (S_IFREG | S_IRUSR | S_IRGRP | S_IROTH)
uint64_t swapLong(uint64_t X) {
uint64_t x = (uint64_t) X;
x = (x & 0x00000000FFFFFFFF) << 32 | (x & 0xFFFFFFFF00000000) >> 32;
x = (x & 0x0000FFFF0000FFFF) << 16 | (x & 0xFFFF0000FFFF0000) >> 16;
x = (x & 0x00FF00FF00FF00FF) << 8 | (x & 0xFF00FF00FF00FF00) >> 8;
return x;
}
#define REVERSE_SHORT(n) ((unsigned short) (((n & 0xFF) << 8) | \
((n & 0xFF00) >> 8)))
#define REVERSE_INT(n) ((unsigned int) (((n & 0xFF) << 24) | \
((n & 0xFF00) << 8) | \
((n & 0xFF0000) >> 8) | \
((n & 0xFF000000) >> 24)))
static ssize_t _romfs_read(romfs_mount *mount, uint64_t offset, void* buffer, uint64_t size) {
uint64_t pos = mount->offset + offset;
size_t _read = 0;
if(mount->fd_type == RomfsSource_FileDescriptor) {
off_t seek_offset = lseek(mount->fd, pos, SEEK_SET);
if(pos != seek_offset) {
return -1;
}
_read = read(mount->fd, buffer, size);
}
return _read;
}
static bool _romfs_read_chk(romfs_mount *mount, uint64_t offset, void* buffer, uint64_t size) {
return _romfs_read(mount, offset, buffer, size) == size;
}
//-----------------------------------------------------------------------------
static int romfs_open(struct _reent *r, void *fileStruct, const char *path, int flags, int mode);
static int romfs_close(struct _reent *r, void *fd);
static ssize_t romfs_read(struct _reent *r, void *fd, char *ptr, size_t len);
static off_t romfs_seek(struct _reent *r, void *fd, off_t pos, int dir);
static int romfs_fstat(struct _reent *r, void *fd, struct stat *st);
static int romfs_stat(struct _reent *r, const char *path, struct stat *st);
static int romfs_chdir(struct _reent *r, const char *path);
static DIR_ITER* romfs_diropen(struct _reent *r, DIR_ITER *dirState, const char *path);
static int romfs_dirreset(struct _reent *r, DIR_ITER *dirState);
static int romfs_dirnext(struct _reent *r, DIR_ITER *dirState, char *filename, struct stat *filestat);
static int romfs_dirclose(struct _reent *r, DIR_ITER *dirState);
typedef struct {
romfs_mount *mount;
romfs_file *file;
uint64_t offset, pos;
} romfs_fileobj;
typedef struct {
romfs_mount *mount;
romfs_dir* dir;
uint32_t state;
uint32_t childDir;
uint32_t childFile;
} romfs_diriter;
static devoptab_t romFS_devoptab = {
.structSize = sizeof(romfs_fileobj),
.open_r = romfs_open,
.close_r = romfs_close,
.read_r = romfs_read,
.seek_r = romfs_seek,
.fstat_r = romfs_fstat,
.stat_r = romfs_stat,
.chdir_r = romfs_chdir,
.dirStateSize = sizeof(romfs_diriter),
.diropen_r = romfs_diropen,
.dirreset_r = romfs_dirreset,
.dirnext_r = romfs_dirnext,
.dirclose_r = romfs_dirclose,
};
static bool romfs_initialised = false;
static romfs_mount romfs_mounts[300];
//-----------------------------------------------------------------------------
static int32_t romfsMountCommon(const char *name, romfs_mount *mount);
static void romfsInitMtime(romfs_mount *mount);
static void _romfsResetMount(romfs_mount *mount, int32_t id) {
memset(mount, 0, sizeof(*mount));
memcpy(&mount->device, &romFS_devoptab, sizeof(romFS_devoptab));
mount->device.name = mount->name;
mount->device.deviceData = mount;
mount->id = id;
}
static void _romfsInit(void) {
uint32_t i;
uint32_t total = sizeof(romfs_mounts) / sizeof(romfs_mount);
if(!romfs_initialised) {
for(i = 0; i < total; i++) {
_romfsResetMount(&romfs_mounts[i], i);
}
romfs_initialised = true;
}
}
static romfs_mount *romfsFindMount(const char *name) {
uint32_t i;
uint32_t total = sizeof(romfs_mounts) / sizeof(romfs_mount);
romfs_mount *mount = NULL;
_romfsInit();
for(i=0; i<total; i++) {
mount = &romfs_mounts[i];
if(name==NULL) { //Find an unused mount entry.
if(!mount->setup)
return mount;
} else if(mount->setup) { //Find the mount with the input name.
if(strncmp(mount->name, name, sizeof(mount->name))==0)
return mount;
}
}
return NULL;
}
__attribute__((weak)) const char* __romfs_path = NULL;
static romfs_mount* romfs_alloc(void) {
return romfsFindMount(NULL);
}
static void romfs_free(romfs_mount *mount) {
free(mount->fileTable);
free(mount->fileHashTable);
free(mount->dirTable);
free(mount->dirHashTable);
_romfsResetMount(mount, mount->id);
}
static void romfs_mountclose(romfs_mount *mount) {
if(mount->fd_type == RomfsSource_FileDescriptor) {
close(mount->fd);
}
romfs_free(mount);
}
int32_t romfsMount(const char *name, const char * filepath) {
romfs_mount *mount = romfs_alloc();
if(mount == NULL)
return 99;
// Regular RomFS
mount->fd_type = RomfsSource_FileDescriptor;
mount->fd = open(filepath, 0);
if (mount->fd == -1) {
romfs_free(mount);
return -1;
}
romfsInitMtime(mount);
return romfsMountCommon(name, mount);
_fail0:
romfs_mountclose(mount);
return 10;
}
int32_t romfsMountCommon(const char *name, romfs_mount *mount) {
memset(mount->name, 0, sizeof(mount->name));
strncpy(mount->name, name, sizeof(mount->name)-1);
if (_romfs_read(mount, 0, &mount->header, sizeof(mount->header)) != sizeof(mount->header))
goto fail;
mount->dirHashTable = (uint32_t*)malloc(swapLong(mount->header.dirHashTableSize));
if (!mount->dirHashTable)
goto fail;
if (!_romfs_read_chk(mount, swapLong(mount->header.dirHashTableOff), mount->dirHashTable, swapLong(mount->header.dirHashTableSize)))
goto fail;
mount->dirTable = malloc(swapLong(mount->header.dirTableSize));
if (!mount->dirTable)
goto fail;
if (!_romfs_read_chk(mount, swapLong(mount->header.dirTableOff), mount->dirTable, swapLong(mount->header.dirTableSize)))
goto fail;
mount->fileHashTable = (uint32_t*)malloc(swapLong(mount->header.fileHashTableSize));
if (!mount->fileHashTable)
goto fail;
if (!_romfs_read_chk(mount, swapLong(mount->header.fileHashTableOff), mount->fileHashTable, swapLong(mount->header.fileHashTableSize)))
goto fail;
mount->fileTable = malloc(swapLong(mount->header.fileTableSize));
if (!mount->fileTable)
goto fail;
if (!_romfs_read_chk(mount, swapLong(mount->header.fileTableOff), mount->fileTable, swapLong(mount->header.fileTableSize)))
goto fail;
mount->cwd = romFS_root(mount);
// add device if this is the first one
if(AddDevice(&mount->device) < 0)
goto fail;
mount->setup = true;
return 0;
fail:
romfs_mountclose(mount);
return 10;
}
static void romfsInitMtime(romfs_mount *mount) {
mount->mtime = time(NULL);
}
int32_t romfsUnmount(const char *name) {
romfs_mount *mount;
char tmpname[34];
mount = romfsFindMount(name);
if (mount == NULL)
return -1;
// Remove device
memset(tmpname, 0, sizeof(tmpname));
strncpy(tmpname, mount->name, sizeof(tmpname)-2);
strncat(tmpname, ":", sizeof(tmpname)-strlen(tmpname)-1);
RemoveDevice(tmpname);
romfs_mountclose(mount);
return 0;
}
//-----------------------------------------------------------------------------
static uint32_t calcHash(uint32_t parent, const uint8_t* name, uint32_t namelen, uint32_t total) {
uint32_t hash = parent ^ 123456789;
uint32_t i;
for (i = 0; i < namelen; i ++) {
hash = (hash >> 5) | (hash << 27);
hash ^= name[i];
}
return hash % total;
}
static romfs_dir* searchForDir(romfs_mount *mount, romfs_dir* parent, const uint8_t* name, uint32_t namelen) {
uint64_t parentOff = (uintptr_t)parent - (uintptr_t)mount->dirTable;
uint32_t hash = calcHash(parentOff, name, namelen, swapLong(mount->header.dirHashTableSize)/4);
romfs_dir* curDir = NULL;
uint32_t curOff;
for (curOff = REVERSE_INT(mount->dirHashTable[hash]); curOff != romFS_none; curOff = REVERSE_INT(curDir->nextHash)) {
curDir = romFS_dir(mount, curOff);
if (REVERSE_INT(curDir->parent) != parentOff)
continue;
if (REVERSE_INT(curDir->nameLen) != namelen)
continue;
if (memcmp(curDir->name, name, namelen) != 0)
continue;
return curDir;
}
return NULL;
}
static romfs_file* searchForFile(romfs_mount *mount, romfs_dir* parent, const uint8_t* name, uint32_t namelen) {
uint64_t parentOff = (uintptr_t)parent - (uintptr_t)mount->dirTable;
uint32_t hash = calcHash(parentOff, name, namelen, swapLong(mount->header.fileHashTableSize)/4);
romfs_file* curFile = NULL;
uint32_t curOff;
for (curOff = REVERSE_INT(mount->fileHashTable[hash]); curOff != romFS_none; curOff = REVERSE_INT(curFile->nextHash)) {
curFile = romFS_file(mount, curOff);
if (REVERSE_INT(curFile->parent) != parentOff)
continue;
if (REVERSE_INT(curFile->nameLen) != namelen)
continue;
if (memcmp(curFile->name, name, namelen) != 0)
continue;
return curFile;
}
return NULL;
}
static int navigateToDir(romfs_mount *mount, romfs_dir** ppDir, const char** pPath, bool isDir) {
char* colonPos = strchr(*pPath, ':');
if (colonPos)
*pPath = colonPos+1;
if (!**pPath)
return EILSEQ;
*ppDir = mount->cwd;
if (**pPath == '/') {
*ppDir = romFS_root(mount);
(*pPath)++;
}
while (**pPath) {
char* slashPos = strchr(*pPath, '/');
char* component = __component;
if (slashPos) {
uint32_t len = slashPos - *pPath;
if (!len)
return EILSEQ;
if (len > PATH_MAX)
return ENAMETOOLONG;
memcpy(component, *pPath, len);
component[len] = 0;
*pPath = slashPos+1;
} else if (isDir) {
component = (char*)*pPath;
*pPath += strlen(component);
} else
return 0;
if (component[0]=='.') {
if (!component[1])
continue;
if (component[1]=='.' && !component[2]) {
*ppDir = romFS_dir(mount, REVERSE_INT((*ppDir)->parent));
continue;
}
}
*ppDir = searchForDir(mount, *ppDir, (uint8_t*)component, strlen(component));
if (!*ppDir)
return EEXIST;
}
if (!isDir && !**pPath)
return EILSEQ;
return 0;
}
static ino_t dir_inode(romfs_mount *mount, romfs_dir *dir) {
return (uint32_t*)dir - (uint32_t*)mount->dirTable;
}
static off_t dir_size(romfs_dir *dir) {
return sizeof(romfs_dir) + (REVERSE_INT(dir->nameLen)+3)/4;
}
static nlink_t dir_nlink(romfs_mount *mount, romfs_dir *dir) {
nlink_t count = 2; // one for self, one for parent
uint32_t offset = REVERSE_INT(dir->childDir);
while(offset != romFS_none) {
romfs_dir *tmp = romFS_dir(mount, offset);
++count;
offset = REVERSE_INT(tmp->sibling);
}
offset = REVERSE_INT(dir->childFile);
while(offset != romFS_none) {
romfs_file *tmp = romFS_file(mount, offset);
++count;
offset = REVERSE_INT(tmp->sibling);
}
return count;
}
static ino_t file_inode(romfs_mount *mount, romfs_file *file) {
return ((uint32_t*)file - (uint32_t*)mount->fileTable) + swapLong(mount->header.dirTableSize)/4;
}
int romfs_GetFileInfoPerPath(const char* romfs, const char *path, romfs_fileInfo* out) {
if(out == NULL){
return -1;
}
romfs_mount* mount = (romfs_mount*)romfsFindMount(romfs);
if(mount == NULL){
return -2;
}
romfs_dir* curDir = NULL;
int errno2 = navigateToDir(mount, &curDir, &path, false);
if (errno2 != 0){
return -3;
}
romfs_file* file = searchForFile(mount, curDir, (uint8_t*)path, strlen(path));
if (!file) {
return -4;
}
out->length = swapLong(file->dataSize);
out->offset = swapLong(mount->header.fileDataOff) + swapLong(file->dataOff);
return 0;
}
//-----------------------------------------------------------------------------
int romfs_open(struct _reent *r, void *fileStruct, const char *path, int flags, int mode) {
romfs_fileobj* fileobj = (romfs_fileobj*)fileStruct;
fileobj->mount = (romfs_mount*)r->deviceData;
if ((flags & O_ACCMODE) != O_RDONLY) {
r->_errno = EROFS;
return -1;
}
romfs_dir* curDir = NULL;
r->_errno = navigateToDir(fileobj->mount, &curDir, &path, false);
if (r->_errno != 0)
return -1;
romfs_file* file = searchForFile(fileobj->mount, curDir, (uint8_t*)path, strlen(path));
if (!file) {
if(flags & O_CREAT)
r->_errno = EROFS;
else
r->_errno = ENOENT;
return -1;
} else if((flags & O_CREAT) && (flags & O_EXCL)) {
r->_errno = EEXIST;
return -1;
}
fileobj->file = file;
fileobj->offset = swapLong(fileobj->mount->header.fileDataOff) + swapLong(file->dataOff);
fileobj->pos = 0;
return 0;
}
int romfs_close(struct _reent *r, void *fd) {
return 0;
}
ssize_t romfs_read(struct _reent *r, void *fd, char *ptr, size_t len) {
romfs_fileobj* file = (romfs_fileobj*)fd;
uint64_t endPos = file->pos + len;
/* check if past end-of-file */
if(file->pos >= swapLong(file->file->dataSize))
return 0;
/* truncate the read to end-of-file */
if(endPos > swapLong(file->file->dataSize))
endPos = swapLong(file->file->dataSize);
len = endPos - file->pos;
ssize_t adv = _romfs_read(file->mount, file->offset + file->pos, ptr, len);
if(adv >= 0) {
file->pos += adv;
return adv;
}
r->_errno = EIO;
return -1;
}
off_t romfs_seek(struct _reent *r, void *fd, off_t pos, int dir) {
romfs_fileobj* file = (romfs_fileobj*)fd;
off_t start;
switch (dir) {
case SEEK_SET:
start = 0;
break;
case SEEK_CUR:
start = file->pos;
break;
case SEEK_END:
start = swapLong(file->file->dataSize);
break;
default:
r->_errno = EINVAL;
return -1;
}
/* don't allow negative position */
if(pos < 0) {
if(start + pos < 0) {
r->_errno = EINVAL;
return -1;
}
}
/* check for overflow */
else if(INT64_MAX - pos < start) {
r->_errno = EOVERFLOW;
return -1;
}
file->pos = start + pos;
return file->pos;
}
int romfs_fstat(struct _reent *r, void *fd, struct stat *st) {
romfs_fileobj* file = (romfs_fileobj*)fd;
memset(st, 0, sizeof(struct stat));
st->st_ino = file_inode(file->mount, file->file);
st->st_mode = romFS_file_mode;
st->st_nlink = 1;
st->st_size = (off_t)swapLong(file->file->dataSize);
st->st_blksize = 512;
st->st_blocks = (st->st_blksize + 511) / 512;
st->st_atime = st->st_mtime = st->st_ctime = file->mount->mtime;
return 0;
}
int romfs_stat(struct _reent *r, const char *path, struct stat *st) {
romfs_mount* mount = (romfs_mount*)r->deviceData;
romfs_dir* curDir = NULL;
r->_errno = navigateToDir(mount, &curDir, &path, false);
if(r->_errno != 0)
return -1;
romfs_dir* dir = searchForDir(mount, curDir, (uint8_t*)path, strlen(path));
if(dir) {
memset(st, 0, sizeof(*st));
st->st_ino = dir_inode(mount, dir);
st->st_mode = romFS_dir_mode;
st->st_nlink = dir_nlink(mount, dir);
st->st_size = dir_size(dir);
st->st_blksize = 512;
st->st_blocks = (st->st_blksize + 511) / 512;
st->st_atime = st->st_mtime = st->st_ctime = mount->mtime;
return 0;
}
romfs_file* file = searchForFile(mount, curDir, (uint8_t*)path, strlen(path));
if(file) {
memset(st, 0, sizeof(*st));
st->st_ino = file_inode(mount, file);
st->st_mode = romFS_file_mode;
st->st_nlink = 1;
st->st_size = swapLong(file->dataSize);
st->st_blksize = 512;
st->st_blocks = (st->st_blksize + 511) / 512;
st->st_atime = st->st_mtime = st->st_ctime = mount->mtime;
return 0;
}
r->_errno = ENOENT;
return 1;
}
int romfs_chdir(struct _reent *r, const char *path) {
romfs_mount* mount = (romfs_mount*)r->deviceData;
romfs_dir* curDir = NULL;
r->_errno = navigateToDir(mount, &curDir, &path, false);
if (r->_errno != 0)
return -1;
mount->cwd = curDir;
return 0;
}
DIR_ITER* romfs_diropen(struct _reent *r, DIR_ITER *dirState, const char *path) {
romfs_diriter* iter = (romfs_diriter*)(dirState->dirStruct);
romfs_dir* curDir = NULL;
iter->mount = (romfs_mount*)r->deviceData;
r->_errno = navigateToDir(iter->mount, &curDir, &path, true);
if(r->_errno != 0)
return NULL;
iter->dir = curDir;
iter->state = 0;
iter->childDir = REVERSE_INT(curDir->childDir);
iter->childFile = REVERSE_INT(curDir->childFile);
return dirState;
}
int romfs_dirreset(struct _reent *r, DIR_ITER *dirState) {
romfs_diriter* iter = (romfs_diriter*)(dirState->dirStruct);
iter->state = 0;
iter->childDir = REVERSE_INT(iter->dir->childDir);
iter->childFile = REVERSE_INT(iter->dir->childFile);
return 0;
}
int romfs_dirnext(struct _reent *r, DIR_ITER *dirState, char *filename, struct stat *filestat) {
romfs_diriter* iter = (romfs_diriter*)(dirState->dirStruct);
if(iter->state == 0) {
/* '.' entry */
memset(filestat, 0, sizeof(*filestat));
filestat->st_ino = dir_inode(iter->mount, iter->dir);
filestat->st_mode = romFS_dir_mode;
strcpy(filename, ".");
iter->state = 1;
return 0;
} else if(iter->state == 1) {
/* '..' entry */
romfs_dir* dir = romFS_dir(iter->mount, REVERSE_INT(iter->dir->parent));
memset(filestat, 0, sizeof(*filestat));
filestat->st_ino = dir_inode(iter->mount, dir);
filestat->st_mode = romFS_dir_mode;
strcpy(filename, "..");
iter->state = 2;
return 0;
}
if(iter->childDir != romFS_none) {
romfs_dir* dir = romFS_dir(iter->mount, iter->childDir);
iter->childDir = REVERSE_INT(dir->sibling);
memset(filestat, 0, sizeof(*filestat));
filestat->st_ino = dir_inode(iter->mount, dir);
filestat->st_mode = romFS_dir_mode;
memset(filename, 0, NAME_MAX);
if(REVERSE_INT(dir->nameLen) >= NAME_MAX) {
r->_errno = ENAMETOOLONG;
return -1;
}
strncpy(filename, (char*)dir->name, REVERSE_INT(dir->nameLen));
return 0;
} else if(iter->childFile != romFS_none) {
romfs_file* file = romFS_file(iter->mount, iter->childFile);
iter->childFile = REVERSE_INT(file->sibling);
memset(filestat, 0, sizeof(*filestat));
filestat->st_ino = file_inode(iter->mount, file);
filestat->st_mode = romFS_file_mode;
memset(filename, 0, NAME_MAX);
if(REVERSE_INT(file->nameLen) >= NAME_MAX) {
r->_errno = ENAMETOOLONG;
return -1;
}
strncpy(filename, (char*)file->name, REVERSE_INT(file->nameLen));
return 0;
}
r->_errno = ENOENT;
return -1;
}
int romfs_dirclose(struct _reent *r, DIR_ITER *dirState) {
return 0;
}

90
src/romfs_dev.h
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@ -1,90 +0,0 @@
/**
* @file romfs_dev.h
* @brief RomFS driver.
* @author yellows8
* @author mtheall
* @author fincs
* @copyright libnx Authors
*/
#pragma once
#include <wut.h>
/// RomFS header.
typedef struct {
uint64_t headerSize; ///< Size of the header.
uint64_t dirHashTableOff; ///< Offset of the directory hash table.
uint64_t dirHashTableSize; ///< Size of the directory hash table.
uint64_t dirTableOff; ///< Offset of the directory table.
uint64_t dirTableSize; ///< Size of the directory table.
uint64_t fileHashTableOff; ///< Offset of the file hash table.
uint64_t fileHashTableSize; ///< Size of the file hash table.
uint64_t fileTableOff; ///< Offset of the file table.
uint64_t fileTableSize; ///< Size of the file table.
uint64_t fileDataOff; ///< Offset of the file data.
} romfs_header;
/// RomFS directory.
typedef struct {
uint32_t parent; ///< Offset of the parent directory.
uint32_t sibling; ///< Offset of the next sibling directory.
uint32_t childDir; ///< Offset of the first child directory.
uint32_t childFile; ///< Offset of the first file.
uint32_t nextHash; ///< Directory hash table pointer.
uint32_t nameLen; ///< Name length.
uint8_t name[]; ///< Name. (UTF-8)
} romfs_dir;
/// RomFS file.
typedef struct {
uint32_t parent; ///< Offset of the parent directory.
uint32_t sibling; ///< Offset of the next sibling file.
uint64_t dataOff; ///< Offset of the file's data.
uint64_t dataSize; ///< Length of the file's data.
uint32_t nextHash; ///< File hash table pointer.
uint32_t nameLen; ///< Name length.
uint8_t name[]; ///< Name. (UTF-8)
} romfs_file;
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Mounts the Application's RomFS.
* @param name Device mount name.
*/
int32_t romfsMount(const char *name, const char * path);
/**
* @brief Mounts RomFS from an open file.
* @param file FsFile of the RomFS image.
* @param offset Offset of the RomFS within the file.
* @param name Device mount name.
bool romfsMountFromFile(FsFile file, uint64_t offset, const char *name);
*/
/*
static inline bool romfsInitFromFile(int32_t fd, uint64_t offset) {
return romfsMountFromFile(fd, offset, "romfs");
}*/
/// Unmounts the RomFS device.
int32_t romfsUnmount(const char *name);
/*
static inline bool romfsExit(void) {
return romfsUnmount("romfs");
}*/
/// RomFS file.
typedef struct {
uint64_t length; ///< Offset of the file's data.
uint64_t offset; ///< Length of the file's data.
} romfs_fileInfo;
int romfs_GetFileInfoPerPath(const char* romfs, const char *path, romfs_fileInfo* out);
#ifdef __cplusplus
}
#endif

88
src/romfs_helper.cpp Normal file
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@ -0,0 +1,88 @@
#include "romfs_helper.h"
#include "utils/logger.h"
#include "utils/StringTools.h"
#include <stdio.h>
#include <sys/dir.h>
FileInfos gFileInfos[FILE_INFO_SIZE] __attribute__((section(".data")));
void unmountRomfs(uint32_t id) {
if(id >= FILE_INFO_SIZE) {
return;
}
if(gFileInfos[id].romfsMounted) {
char romName [10];
snprintf(romName,10,"%08X", id);
DEBUG_FUNCTION_LINE("Unmounting %s\n", romName);
int res = romfsUnmount(romName);
DEBUG_FUNCTION_LINE("res: %d\n",res);
gFileInfos[id].romfsMounted = false;
}
}
void unmountAllRomfs() {
for(int i = 0; i < FILE_INFO_SIZE; i++) {
unmountRomfs(i);
}
}
bool mountRomfs(uint32_t id) {
if(id >= FILE_INFO_SIZE) {
DEBUG_FUNCTION_LINE("HANDLE WAS TOO BIG %d\n", id);
return false;
}
if(!gFileInfos[id].romfsMounted) {
char buffer [256];
snprintf(buffer,256,"fs:/vol/external01/%s", gFileInfos[id].path);
char romName [10];
snprintf(romName,10,"%08X", id);
DEBUG_FUNCTION_LINE("Mount %s as %s\n", buffer, romName);
if(romfsMount(romName,buffer) == 0) {
DEBUG_FUNCTION_LINE("Mounted successfully \n");
gFileInfos[id].romfsMounted = true;
return true;
} else {
DEBUG_FUNCTION_LINE("Mounting failed\n");
return false;
}
}
return true;
}
int32_t getRPXInfoForID(uint32_t id, romfs_fileInfo * info) {
if(!mountRomfs(id)) {
return -1;
}
DIR *dir;
struct dirent *entry;
char romName [10];
snprintf(romName,10,"%08X", id);
char root[12];
snprintf(root,12,"%08X:/", id);
if (!(dir = opendir(root))) {
return -2;
}
bool found = false;
int res = -3;
while ((entry = readdir(dir)) != NULL) {
if(StringTools::EndsWith(entry->d_name, ".rpx")) {
if(romfs_GetFileInfoPerPath(romName, entry->d_name, info) >= 0) {
found = true;
res = 0;
}
break;
}
}
closedir(dir);
if(!found) {
return -4;
}
return res;
}

26
src/romfs_helper.h Normal file
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@ -0,0 +1,26 @@
#pragma once
#include <stdint.h>
#include <stdbool.h>
#include <wut_romfs_dev.h>
typedef struct WUT_PACKED FileInfos_ {
char path[256];
char name[256];
int32_t source;
bool romfsMounted;
int openedFiles;
} FileInfos;
#define FILE_INFO_SIZE 300
extern FileInfos gFileInfos[FILE_INFO_SIZE];
void unmountAllRomfs();
void unmountRomfs(uint32_t id);
bool mountRomfs(uint32_t id);
int32_t getRPXInfoForID(uint32_t id, romfs_fileInfo * info);

79
src/utils/StringTools.cpp
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@ -209,3 +209,82 @@ std::vector<std::string> StringTools::stringSplit(const std::string & inValue, c
}
return result;
}
const char * StringTools::FullpathToFilename(const char *path) {
if(!path)
return path;
const char * ptr = path;
const char * Filename = ptr;
while(*ptr != '\0') {
if(ptr[0] == '/' && ptr[1] != '\0')
Filename = ptr+1;
++ptr;
}
return Filename;
}
void StringTools::RemoveDoubleSlashs(std::string &str) {
uint32_t length = str.size();
//! clear path of double slashes
for(uint32_t i = 1; i < length; ++i) {
if(str[i-1] == '/' && str[i] == '/') {
str.erase(i, 1);
i--;
length--;
}
}
}
// You must free the result if result is non-NULL.
char * StringTools::str_replace(char *orig, char *rep, char *with) {
char *result; // the return string
char *ins; // the next insert point
char *tmp; // varies
int len_rep; // length of rep (the string to remove)
int len_with; // length of with (the string to replace rep with)
int len_front; // distance between rep and end of last rep
int count; // number of replacements
// sanity checks and initialization
if (!orig || !rep)
return NULL;
len_rep = strlen(rep);
if (len_rep == 0)
return NULL; // empty rep causes infinite loop during count
if (!with)
with = "";
len_with = strlen(with);
// count the number of replacements needed
ins = orig;
for (count = 0; tmp = strstr(ins, rep); ++count) {
ins = tmp + len_rep;
}
tmp = result = (char*)malloc(strlen(orig) + (len_with - len_rep) * count + 1);
if (!result)
return NULL;
// first time through the loop, all the variable are set correctly
// from here on,
// tmp points to the end of the result string
// ins points to the next occurrence of rep in orig
// orig points to the remainder of orig after "end of rep"
while (count--) {
ins = strstr(orig, rep);
len_front = ins - orig;
tmp = strncpy(tmp, orig, len_front) + len_front;
tmp = strcpy(tmp, with) + len_with;
orig += len_front + len_rep; // move to next "end of rep"
}
strcpy(tmp, orig);
return result;
}

34
src/utils/StringTools.h
View File

@ -42,37 +42,9 @@ public:
static BOOL char2wchar_t(const char * src, wchar_t * dest);
static int32_t strtokcmp(const char * string, const char * compare, const char * separator);
static int32_t strextcmp(const char * string, const char * extension, char seperator);
static const char * FullpathToFilename(const char *path) {
if(!path)
return path;
const char * ptr = path;
const char * Filename = ptr;
while(*ptr != '\0') {
if(ptr[0] == '/' && ptr[1] != '\0')
Filename = ptr+1;
++ptr;
}
return Filename;
}
static void RemoveDoubleSlashs(std::string &str) {
uint32_t length = str.size();
//! clear path of double slashes
for(uint32_t i = 1; i < length; ++i) {
if(str[i-1] == '/' && str[i] == '/') {
str.erase(i, 1);
i--;
length--;
}
}
}
static char *str_replace(char *orig, char *rep, char *with);
static const char * FullpathToFilename(const char *path);
static void RemoveDoubleSlashs(std::string &str);
static std::vector<std::string> stringSplit(const std::string & value, const std::string & splitter);
};