fs.mitm: Add Hbl Web override support, also support choinx"

This commit is contained in:
Michael Scire 2019-03-22 12:38:23 -07:00
parent c1588d0300
commit 9d5ca47ac8
2 changed files with 68 additions and 1 deletions

View file

@ -82,6 +82,53 @@ void FsMitmService::PostProcess(IMitmServiceObject *obj, IpcResponseContext *ctx
}
}
Result FsMitmService::OpenHblWebContentFileSystem(Out<std::shared_ptr<IFileSystemInterface>> &out_fs) {
std::shared_ptr<IFileSystemInterface> fs = nullptr;
u32 out_domain_id = 0;
Result rc = 0;
ON_SCOPE_EXIT {
if (R_SUCCEEDED(rc)) {
out_fs.SetValue(std::move(fs));
if (out_fs.IsDomain()) {
out_fs.ChangeObjectId(out_domain_id);
}
}
};
/* Mount the SD card using fs.mitm's session. */
FsFileSystem sd_fs;
rc = fsMountSdcard(&sd_fs);
if (R_SUCCEEDED(rc)) {
fs = std::make_shared<IFileSystemInterface>(std::make_unique<SubDirectoryFileSystem>(std::make_shared<ProxyFileSystem>(sd_fs), AtmosphereHblWebContentDir));
if (out_fs.IsDomain()) {
out_domain_id = sd_fs.s.object_id;
}
}
return rc;
}
Result FsMitmService::OpenFileSystemWithPatch(Out<std::shared_ptr<IFileSystemInterface>> out_fs, u64 title_id, u32 filesystem_type) {
FsDir d;
if (filesystem_type != FsFileSystemType_ContentManual || !Utils::IsHblTid(title_id) || R_FAILED(Utils::OpenSdDir(AtmosphereHblWebContentDir, &d))) {
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 (filesystem_type != FsFileSystemType_ContentManual || !Utils::IsHblTid(title_id) || R_FAILED(Utils::OpenSdDir(AtmosphereHblWebContentDir, &d))) {
return RESULT_FORWARD_TO_SESSION;
}
fsDirClose(&d);
return this->OpenHblWebContentFileSystem(out_fs);
}
/* Gate access to the BIS partitions. */
Result FsMitmService::OpenBisStorage(Out<std::shared_ptr<IStorageInterface>> out_storage, u32 bis_partition_id) {
std::shared_ptr<IStorageInterface> storage = nullptr;
@ -119,6 +166,11 @@ Result FsMitmService::OpenBisStorage(Out<std::shared_ptr<IStorageInterface>> out
if (is_sysmodule || has_bis_write_flag) {
/* Sysmodules should still be allowed to read and write. */
storage = std::make_shared<IStorageInterface>(new ProxyStorage(bis_storage));
} else if (Utils::IsHblTid(this->title_id) && (BisStorageId_BcPkg2_1 <= bis_partition_id && bis_partition_id <= BisStorageId_BcPkg2_6)) {
/* Allow HBL to write to package2. */
/* This is needed to not break compatibility with ChoiDujourNX, which does not check error codes. */
/* TODO: get fixed so that this can be turned off without causing bricks :/ */
storage = std::make_shared<IStorageInterface>(new ProxyStorage(bis_storage));
} else {
/* Non-sysmodules should be allowed to read. */
storage = std::make_shared<IStorageInterface>(new ROProxyStorage(bis_storage));

View file

@ -18,16 +18,25 @@
#include <switch.h>
#include <stratosphere.hpp>
#include "fs_istorage.hpp"
#include "fs_ifilesystem.hpp"
#include "../utils.hpp"
enum FspSrvCmd : u32 {
FspSrvCmd_OpenFileSystemDeprecated = 0,
FspSrvCmd_SetCurrentProcess = 1,
FspSrvCmd_OpenFileSystemWithPatch = 7,
FspSrvCmd_OpenFileSystemWithId = 8,
FspSrvCmd_OpenBisStorage = 12,
FspSrvCmd_OpenDataStorageByCurrentProcess = 200,
FspSrvCmd_OpenDataStorageByDataId = 202,
};
class FsMitmService : public IMitmServiceObject {
private:
static constexpr const char *AtmosphereHblWebContentDir = "/atmosphere/hbl_html";
private:
bool has_initialized = false;
bool should_override_contents;
@ -58,14 +67,20 @@ class FsMitmService : public IMitmServiceObject {
}
static void PostProcess(IMitmServiceObject *obj, IpcResponseContext *ctx);
private:
Result OpenHblWebContentFileSystem(Out<std::shared_ptr<IFileSystemInterface>> &out);
protected:
/* Overridden commands. */
Result OpenFileSystemWithPatch(Out<std::shared_ptr<IFileSystemInterface>> out, u64 title_id, u32 filesystem_type);
Result OpenFileSystemWithId(Out<std::shared_ptr<IFileSystemInterface>> out, InPointer<char> path, u64 title_id, u32 filesystem_type);
Result OpenBisStorage(Out<std::shared_ptr<IStorageInterface>> out, u32 bis_partition_id);
Result OpenDataStorageByCurrentProcess(Out<std::shared_ptr<IStorageInterface>> out);
Result OpenDataStorageByDataId(Out<std::shared_ptr<IStorageInterface>> out, u64 data_id, u8 storage_id);
public:
DEFINE_SERVICE_DISPATCH_TABLE {
/* TODO MakeServiceCommandMeta<FspSrvCmd_OpenFileSystemDeprecated, &FsMitmService::OpenFileSystemDeprecated>(), */
MakeServiceCommandMeta<FspSrvCmd_OpenFileSystemWithPatch, &FsMitmService::OpenFileSystemWithPatch, FirmwareVersion_200>(),
MakeServiceCommandMeta<FspSrvCmd_OpenFileSystemDeprecated, &FsMitmService::OpenFileSystemWithId, FirmwareVersion_200>(),
MakeServiceCommandMeta<FspSrvCmd_OpenBisStorage, &FsMitmService::OpenBisStorage>(),
MakeServiceCommandMeta<FspSrvCmd_OpenDataStorageByCurrentProcess, &FsMitmService::OpenDataStorageByCurrentProcess>(),
MakeServiceCommandMeta<FspSrvCmd_OpenDataStorageByDataId, &FsMitmService::OpenDataStorageByDataId>(),