/
TitleContents.cpp
170 lines (135 loc) · 5.13 KB
/
TitleContents.cpp
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// Copyright 2017 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include "Core/IOS/ES/ES.h"
#include <utility>
#include <vector>
#include "Common/Logging/Log.h"
#include "Common/MsgHandler.h"
#include "Core/HW/Memmap.h"
#include "Core/IOS/ES/Formats.h"
#include "Core/IOS/Uids.h"
namespace IOS::HLE
{
s32 ESDevice::OpenContent(const ES::TMDReader& tmd, u16 content_index, u32 uid)
{
const u64 title_id = tmd.GetTitleId();
ES::Content content;
if (!tmd.GetContent(content_index, &content))
return ES_EINVAL;
for (size_t i = 0; i < m_content_table.size(); ++i)
{
OpenedContent& entry = m_content_table[i];
if (entry.m_opened)
continue;
auto file = m_ios.GetFS()->OpenFile(PID_KERNEL, PID_KERNEL, GetContentPath(title_id, content),
FS::Mode::Read);
if (!file)
return FS::ConvertResult(file.Error());
entry.m_opened = true;
entry.m_fd = file->Release();
entry.m_content = content;
entry.m_title_id = title_id;
entry.m_uid = uid;
INFO_LOG_FMT(IOS_ES,
"OpenContent: title ID {:016x}, UID {:#x}, content {:08x} (index {}) -> CFD {}",
title_id, uid, content.id, content_index, i);
return static_cast<s32>(i);
}
return FS_EFDEXHAUSTED;
}
IPCReply ESDevice::OpenContent(u32 uid, const IOCtlVRequest& request)
{
if (!request.HasNumberOfValidVectors(3, 0) || request.in_vectors[0].size != sizeof(u64) ||
request.in_vectors[1].size != sizeof(ES::TicketView) ||
request.in_vectors[2].size != sizeof(u32))
{
return IPCReply(ES_EINVAL);
}
const u64 title_id = Memory::Read_U64(request.in_vectors[0].address);
const u32 content_index = Memory::Read_U32(request.in_vectors[2].address);
// TODO: check the ticket view, check permissions.
const auto tmd = FindInstalledTMD(title_id);
if (!tmd.IsValid())
return IPCReply(FS_ENOENT);
return IPCReply(OpenContent(tmd, content_index, uid));
}
IPCReply ESDevice::OpenActiveTitleContent(u32 caller_uid, const IOCtlVRequest& request)
{
if (!request.HasNumberOfValidVectors(1, 0) || request.in_vectors[0].size != sizeof(u32))
return IPCReply(ES_EINVAL);
const u32 content_index = Memory::Read_U32(request.in_vectors[0].address);
if (!m_title_context.active)
return IPCReply(ES_EINVAL);
ES::UIDSys uid_map{m_ios.GetFS()};
const u32 uid = uid_map.GetOrInsertUIDForTitle(m_title_context.tmd.GetTitleId());
if (caller_uid != 0 && caller_uid != uid)
return IPCReply(ES_EACCES);
return IPCReply(OpenContent(m_title_context.tmd, content_index, caller_uid));
}
s32 ESDevice::ReadContent(u32 cfd, u8* buffer, u32 size, u32 uid)
{
if (cfd >= m_content_table.size())
return ES_EINVAL;
OpenedContent& entry = m_content_table[cfd];
if (entry.m_uid != uid)
return ES_EACCES;
if (!entry.m_opened)
return IPC_EINVAL;
const auto result = m_ios.GetFS()->ReadBytesFromFile(entry.m_fd, buffer, size);
return result.Succeeded() ? *result : FS::ConvertResult(result.Error());
}
IPCReply ESDevice::ReadContent(u32 uid, const IOCtlVRequest& request)
{
if (!request.HasNumberOfValidVectors(1, 1) || request.in_vectors[0].size != sizeof(u32))
return IPCReply(ES_EINVAL);
const u32 cfd = Memory::Read_U32(request.in_vectors[0].address);
const u32 size = request.io_vectors[0].size;
const u32 addr = request.io_vectors[0].address;
INFO_LOG_FMT(IOS_ES, "ReadContent(uid={:#x}, cfd={}, size={}, addr={:08x})", uid, cfd, size,
addr);
return IPCReply(ReadContent(cfd, Memory::GetPointer(addr), size, uid));
}
ReturnCode ESDevice::CloseContent(u32 cfd, u32 uid)
{
if (cfd >= m_content_table.size())
return ES_EINVAL;
OpenedContent& entry = m_content_table[cfd];
if (entry.m_uid != uid)
return ES_EACCES;
if (!entry.m_opened)
return IPC_EINVAL;
m_ios.GetFS()->Close(entry.m_fd);
entry = {};
INFO_LOG_FMT(IOS_ES, "CloseContent: CFD {}", cfd);
return IPC_SUCCESS;
}
IPCReply ESDevice::CloseContent(u32 uid, const IOCtlVRequest& request)
{
if (!request.HasNumberOfValidVectors(1, 0) || request.in_vectors[0].size != sizeof(u32))
return IPCReply(ES_EINVAL);
const u32 cfd = Memory::Read_U32(request.in_vectors[0].address);
return IPCReply(CloseContent(cfd, uid));
}
s32 ESDevice::SeekContent(u32 cfd, u32 offset, SeekMode mode, u32 uid)
{
if (cfd >= m_content_table.size())
return ES_EINVAL;
OpenedContent& entry = m_content_table[cfd];
if (entry.m_uid != uid)
return ES_EACCES;
if (!entry.m_opened)
return IPC_EINVAL;
const auto result = m_ios.GetFS()->SeekFile(entry.m_fd, offset, static_cast<FS::SeekMode>(mode));
return result.Succeeded() ? *result : FS::ConvertResult(result.Error());
}
IPCReply ESDevice::SeekContent(u32 uid, const IOCtlVRequest& request)
{
if (!request.HasNumberOfValidVectors(3, 0))
return IPCReply(ES_EINVAL);
const u32 cfd = Memory::Read_U32(request.in_vectors[0].address);
const u32 offset = Memory::Read_U32(request.in_vectors[1].address);
const SeekMode mode = static_cast<SeekMode>(Memory::Read_U32(request.in_vectors[2].address));
return IPCReply(SeekContent(cfd, offset, mode, uid));
}
} // namespace IOS::HLE