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tipc: add additional logic from 13.0.0

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This commit is contained in:
Michael Scire 2021-10-12 00:57:54 -07:00
parent 0189c5f1e6
commit ca25a884b5
1 changed files with 36 additions and 2 deletions
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38
libraries/libstratosphere/include/stratosphere/tipc/tipc_object_manager.hpp
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@ -141,14 +141,45 @@ namespace ams::tipc {
}
Result ProcessRequest(ObjectHolder &object) {
/* Get the message buffer. */
const svc::ipc::MessageBuffer message_buffer(svc::ipc::GetMessageBuffer());
/* Get the method id. */
const auto method_id = svc::ipc::MessageBuffer::MessageHeader(svc::ipc::MessageBuffer(svc::ipc::GetMessageBuffer())).GetTag();
const auto method_id = svc::ipc::MessageBuffer::MessageHeader(message_buffer).GetTag();
/* Ensure that we clean up any handles that get sent our way. */
auto handle_guard = SCOPE_GUARD {
const svc::ipc::MessageBuffer::MessageHeader message_header(message_buffer);
const svc::ipc::MessageBuffer::SpecialHeader special_header(message_buffer, message_header);
/* Determine the offset to the start of handles. */
auto offset = message_buffer.GetSpecialDataIndex(message_header, special_header);
if (special_header.GetHasProcessId()) {
offset += sizeof(u64) / sizeof(u32);
}
/* Close all copy handles. */
for (auto i = 0; i < special_header.GetCopyHandleCount(); ++i) {
svc::CloseHandle(message_buffer.GetHandle(offset));
offset += sizeof(ams::svc::Handle) / sizeof(u32);
}
};
/* Check that the method id is valid. */
R_UNLESS(method_id != MethodId_Invalid, tipc::ResultInvalidMethod());
/* If we're closing the object, do so. */
if (method_id == MethodId_CloseSession) {
/* Validate the command format. */
{
using CloseSessionCommandMeta = impl::CommandMetaInfo<MethodId_CloseSession, std::tuple<>>;
using CloseSessionProcessor = impl::CommandProcessor<CloseSessionCommandMeta>;
/* Validate that the command is valid. */
R_TRY(CloseSessionProcessor::ValidateCommandFormat(message_buffer));
}
/* Get the object handle. */
const auto handle = object.GetHandle();
/* Close the object itself. */
@ -158,13 +189,16 @@ namespace ams::tipc {
/* NOTE: Nintendo does not check that this succeeds. */
R_ABORT_UNLESS(svc::CloseHandle(handle));
/* Return result to signify we closed the object. */
/* Return result to signify we closed the object (and don't close input handles). */
handle_guard.Cancel();
return tipc::ResultSessionClosed();
}
/* Process the generic method for the object. */
R_TRY(object.GetObject()->ProcessRequest());
/* We successfully processed, so we don't need to clean up handles. */
handle_guard.Cancel();
return ResultSuccess();
}
};