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ns: Implement command 400: GetApplicationControlData

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Returns the raw NACP bytes and the raw icon bytes into a title-provided buffer. Pulls from Registration Cache for control data, returning all zeros should it not exist.
This commit is contained in:
Zach Hilman 2018-10-29 16:20:10 -04:00
parent 5ee19add1b
commit bdaa76c0db
4 changed files with 75 additions and 17 deletions
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64
src/core/hle/service/ns/ns.cpp
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@ -2,6 +2,9 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/logging/log.h"
#include "core/file_sys/control_metadata.h"
#include "core/file_sys/patch_manager.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/hle_ipc.h"
#include "core/hle/service/ns/ns.h"
@ -118,7 +121,7 @@ public:
{305, nullptr, "TerminateSystemApplet"},
{306, nullptr, "LaunchOverlayApplet"},
{307, nullptr, "TerminateOverlayApplet"},
{400, nullptr, "GetApplicationControlData"},
{400, &IApplicationManagerInterface::GetApplicationControlData, "GetApplicationControlData"},
{401, nullptr, "InvalidateAllApplicationControlCache"},
{402, nullptr, "RequestDownloadApplicationControlData"},
{403, nullptr, "GetMaxApplicationControlCacheCount"},
@ -243,6 +246,65 @@ public:
RegisterHandlers(functions);
}
void GetApplicationControlData(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto flag = rp.PopRaw<u64>();
LOG_DEBUG(Service_NS, "called with flag={:016X}", flag);
const auto title_id = rp.PopRaw<u64>();
const auto size = ctx.GetWriteBufferSize();
const FileSys::PatchManager pm{title_id};
const auto control = pm.GetControlMetadata();
std::vector<u8> out;
if (control.first != nullptr) {
if (size < 0x4000) {
LOG_ERROR(Service_NS,
"output buffer is too small! (actual={:016X}, expected_min=0x4000)",
size);
IPC::ResponseBuilder rb{ctx, 2};
// TODO(DarkLordZach): Find a better error code for this.
rb.Push(ResultCode(-1));
return;
}
out.resize(0x4000);
const auto bytes = control.first->GetRawBytes();
std::memcpy(out.data(), bytes.data(), bytes.size());
} else {
LOG_WARNING(Service_NS, "missing NACP data for title_id={:016X}, defaulting to zeros.",
title_id);
out.resize(std::min<u64>(0x4000, size));
}
if (control.second != nullptr) {
if (size < 0x4000 + control.second->GetSize()) {
LOG_ERROR(Service_NS,
"output buffer is too small! (actual={:016X}, expected_min={:016X})",
size, 0x4000 + control.second->GetSize());
IPC::ResponseBuilder rb{ctx, 2};
// TODO(DarkLordZach): Find a better error code for this.
rb.Push(ResultCode(-1));
return;
}
out.resize(0x4000 + control.second->GetSize());
control.second->Read(out.data() + 0x4000, control.second->GetSize());
} else {
LOG_WARNING(Service_NS, "missing icon data for title_id={:016X}, defaulting to zeros.",
title_id);
}
ctx.WriteBuffer(out);
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(RESULT_SUCCESS);
rb.Push<u32>(static_cast<u32>(out.size()));
}
};
class IApplicationVersionInterface final : public ServiceFramework<IApplicationVersionInterface> {