ns: Implement command 400: GetApplicationControlData
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.
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4 changed files with 75 additions and 17 deletions
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@ -2,6 +2,9 @@
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "common/logging/log.h"
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#include "core/file_sys/control_metadata.h"
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#include "core/file_sys/patch_manager.h"
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#include "core/hle/ipc_helpers.h"
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#include "core/hle/kernel/hle_ipc.h"
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#include "core/hle/service/ns/ns.h"
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@ -118,7 +121,7 @@ public:
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{305, nullptr, "TerminateSystemApplet"},
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{306, nullptr, "LaunchOverlayApplet"},
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{307, nullptr, "TerminateOverlayApplet"},
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{400, nullptr, "GetApplicationControlData"},
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{400, &IApplicationManagerInterface::GetApplicationControlData, "GetApplicationControlData"},
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{401, nullptr, "InvalidateAllApplicationControlCache"},
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{402, nullptr, "RequestDownloadApplicationControlData"},
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{403, nullptr, "GetMaxApplicationControlCacheCount"},
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@ -243,6 +246,65 @@ public:
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RegisterHandlers(functions);
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}
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void GetApplicationControlData(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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const auto flag = rp.PopRaw<u64>();
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LOG_DEBUG(Service_NS, "called with flag={:016X}", flag);
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const auto title_id = rp.PopRaw<u64>();
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const auto size = ctx.GetWriteBufferSize();
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const FileSys::PatchManager pm{title_id};
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const auto control = pm.GetControlMetadata();
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std::vector<u8> out;
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if (control.first != nullptr) {
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if (size < 0x4000) {
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LOG_ERROR(Service_NS,
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"output buffer is too small! (actual={:016X}, expected_min=0x4000)",
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size);
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IPC::ResponseBuilder rb{ctx, 2};
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// TODO(DarkLordZach): Find a better error code for this.
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rb.Push(ResultCode(-1));
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return;
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}
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out.resize(0x4000);
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const auto bytes = control.first->GetRawBytes();
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std::memcpy(out.data(), bytes.data(), bytes.size());
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} else {
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LOG_WARNING(Service_NS, "missing NACP data for title_id={:016X}, defaulting to zeros.",
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title_id);
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out.resize(std::min<u64>(0x4000, size));
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}
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if (control.second != nullptr) {
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if (size < 0x4000 + control.second->GetSize()) {
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LOG_ERROR(Service_NS,
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"output buffer is too small! (actual={:016X}, expected_min={:016X})",
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size, 0x4000 + control.second->GetSize());
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IPC::ResponseBuilder rb{ctx, 2};
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// TODO(DarkLordZach): Find a better error code for this.
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rb.Push(ResultCode(-1));
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return;
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}
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out.resize(0x4000 + control.second->GetSize());
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control.second->Read(out.data() + 0x4000, control.second->GetSize());
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} else {
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LOG_WARNING(Service_NS, "missing icon data for title_id={:016X}, defaulting to zeros.",
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title_id);
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}
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ctx.WriteBuffer(out);
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IPC::ResponseBuilder rb{ctx, 3};
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rb.Push(RESULT_SUCCESS);
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rb.Push<u32>(static_cast<u32>(out.size()));
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}
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};
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class IApplicationVersionInterface final : public ServiceFramework<IApplicationVersionInterface> {
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