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fs.mitm: prefer official web content to hbl_html

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This commit is contained in:
Michael Scire 2019-03-26 11:53:30 -07:00
parent 4ccb39a228
commit f9c9c1048e
3 changed files with 130 additions and 10 deletions
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92
stratosphere/ams_mitm/source/fs_mitm/fs_shim.c
View file

@ -132,6 +132,98 @@ Result fsOpenDataStorageByDataIdFwd(Service* s, FsStorageId storage_id, u64 data
return rc;
}
Result fsOpenFileSystemWithPatchFwd(Service* s, FsFileSystem* out, u64 titleId, FsFileSystemType fsType) {
if (hosversionBefore(2, 0, 0)) {
return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
}
IpcCommand c;
ipcInitialize(&c);
struct {
u64 magic;
u64 cmd_id;
u32 fsType;
u64 titleId;
} *raw;
raw = serviceIpcPrepareHeader(s, &c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 7;
raw->fsType = fsType;
raw->titleId = titleId;
Result rc = serviceIpcDispatch(s);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
struct {
u64 magic;
u64 result;
} *resp;
serviceIpcParse(s, &r, sizeof(*resp));
resp = r.Raw;
rc = resp->result;
if (R_SUCCEEDED(rc)) {
serviceCreateSubservice(&out->s, s, &r, 0);
}
}
return rc;
}
Result fsOpenFileSystemWithIdFwd(Service* s, FsFileSystem* out, u64 titleId, FsFileSystemType fsType, const char* contentPath) {
if (hosversionBefore(2, 0, 0)) {
return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
}
char sendStr[FS_MAX_PATH] = {0};
strncpy(sendStr, contentPath, sizeof(sendStr)-1);
IpcCommand c;
ipcInitialize(&c);
ipcAddSendStatic(&c, sendStr, sizeof(sendStr), 0);
struct {
u64 magic;
u64 cmd_id;
u32 fsType;
u64 titleId;
} *raw;
raw = serviceIpcPrepareHeader(s, &c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 8;
raw->fsType = fsType;
raw->titleId = titleId;
Result rc = serviceIpcDispatch(s);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
struct {
u64 magic;
u64 result;
} *resp;
serviceIpcParse(s, &r, sizeof(*resp));
resp = r.Raw;
rc = resp->result;
if (R_SUCCEEDED(rc)) {
serviceCreateSubservice(&out->s, s, &r, 0);
}
}
return rc;
}
/* Missing FS File commands. */
Result fsFileOperateRange(FsFile* f, u32 op_id, u64 off, u64 len, FsRangeInfo *out) {
IpcCommand c;

2
stratosphere/ams_mitm/source/fs_mitm/fs_shim.h
View file

@ -20,6 +20,8 @@ typedef struct {
Result fsOpenBisStorageFwd(Service* s, FsStorage* out, u32 PartitionId);
Result fsOpenDataStorageByCurrentProcessFwd(Service* s, FsStorage* out);
Result fsOpenDataStorageByDataIdFwd(Service* s, FsStorageId storage_id, u64 data_id, FsStorage* out);
Result fsOpenFileSystemWithPatchFwd(Service* s, FsFileSystem* out, u64 titleId, FsFileSystemType fsType);
Result fsOpenFileSystemWithIdFwd(Service* s, FsFileSystem* out, u64 titleId, FsFileSystemType fsType, const char* contentPath);
/* Missing FS File commands. */
Result fsFileOperateRange(FsFile* f, u32 op_id, u64 off, u64 len, FsRangeInfo *out);

46
stratosphere/ams_mitm/source/fs_mitm/fsmitm_service.cpp
View file

@ -110,23 +110,49 @@ Result FsMitmService::OpenHblWebContentFileSystem(Out<std::shared_ptr<IFileSyste
}
Result FsMitmService::OpenFileSystemWithPatch(Out<std::shared_ptr<IFileSystemInterface>> out_fs, u64 title_id, u32 filesystem_type) {
FsDir d;
if (!Utils::IsWebAppletTid(this->title_id) || filesystem_type != FsFileSystemType_ContentManual || !Utils::IsHblTid(title_id) ||
R_FAILED(Utils::OpenSdDir(AtmosphereHblWebContentDir, &d))) {
return RESULT_FORWARD_TO_SESSION;
/* Check for eligibility. */
{
FsDir d;
if (!Utils::IsWebAppletTid(this->title_id) || filesystem_type != FsFileSystemType_ContentManual || !Utils::IsHblTid(title_id) ||
R_FAILED(Utils::OpenSdDir(AtmosphereHblWebContentDir, &d))) {
return RESULT_FORWARD_TO_SESSION;
}
fsDirClose(&d);
}
/* If there's an existing filesystem, don't override. */
/* TODO: Multiplex, overriding existing content with HBL content. */
{
FsFileSystem fs;
if (R_SUCCEEDED(fsOpenFileSystemWithPatchFwd(this->forward_service.get(), &fs, title_id, static_cast<FsFileSystemType>(filesystem_type)))) {
fsFsClose(&fs);
return RESULT_FORWARD_TO_SESSION;
}
}
fsDirClose(&d);
return this->OpenHblWebContentFileSystem(out_fs);
}
Result FsMitmService::OpenFileSystemWithId(Out<std::shared_ptr<IFileSystemInterface>> out_fs, InPointer<char> path, u64 title_id, u32 filesystem_type) {
FsDir d;
if (!Utils::IsWebAppletTid(this->title_id) || filesystem_type != FsFileSystemType_ContentManual || !Utils::IsHblTid(title_id) ||
R_FAILED(Utils::OpenSdDir(AtmosphereHblWebContentDir, &d))) {
return RESULT_FORWARD_TO_SESSION;
/* Check for eligibility. */
{
FsDir d;
if (!Utils::IsWebAppletTid(this->title_id) || filesystem_type != FsFileSystemType_ContentManual || !Utils::IsHblTid(title_id) ||
R_FAILED(Utils::OpenSdDir(AtmosphereHblWebContentDir, &d))) {
return RESULT_FORWARD_TO_SESSION;
}
fsDirClose(&d);
}
/* If there's an existing filesystem, don't override. */
/* TODO: Multiplex, overriding existing content with HBL content. */
{
FsFileSystem fs;
if (R_SUCCEEDED(fsOpenFileSystemWithIdFwd(this->forward_service.get(), &fs, title_id, static_cast<FsFileSystemType>(filesystem_type), path.pointer))) {
fsFsClose(&fs);
return RESULT_FORWARD_TO_SESSION;
}
}
fsDirClose(&d);
return this->OpenHblWebContentFileSystem(out_fs);
}