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118 lines
5 KiB
C++
118 lines
5 KiB
C++
/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <mesosphere.hpp>
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namespace ams::kern::svc {
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/* ============================= Common ============================= */
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namespace {
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Result ManageNamedPort(ams::svc::Handle *out_server_handle, KUserPointer<const char *> user_name, s32 max_sessions) {
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/* Copy the provided name from user memory to kernel memory. */
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char name[KObjectName::NameLengthMax] = {};
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R_TRY(user_name.CopyStringTo(name, sizeof(name)));
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/* Validate that sessions and name are valid. */
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R_UNLESS(max_sessions >= 0, svc::ResultOutOfRange());
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R_UNLESS(name[sizeof(name) - 1] == '\x00', svc::ResultOutOfRange());
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if (max_sessions > 0) {
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MESOSPHERE_LOG("Creating Named Port %s (max sessions = %d)\n", name, max_sessions);
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/* Get the current handle table. */
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auto &handle_table = GetCurrentProcess().GetHandleTable();
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/* Create a new port. */
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KPort *port = KPort::Create();
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R_UNLESS(port != nullptr, svc::ResultOutOfResource());
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/* Reserve a handle for the server port. */
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R_TRY(handle_table.Reserve(out_server_handle));
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auto reserve_guard = SCOPE_GUARD { handle_table.Unreserve(*out_server_handle); };
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/* Initialize the new port. */
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port->Initialize(max_sessions, false, 0);
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/* Register the port. */
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KPort::Register(port);
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/* Register the handle in the table. */
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handle_table.Register(*out_server_handle, std::addressof(port->GetServerPort()));
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reserve_guard.Cancel();
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auto register_guard = SCOPE_GUARD { handle_table.Remove(*out_server_handle); };
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/* Create a new object name. */
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R_TRY(KObjectName::NewFromName(std::addressof(port->GetClientPort()), name));
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/* Perform resource cleanup. */
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port->GetServerPort().Close();
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port->GetClientPort().Close();
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register_guard.Cancel();
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} else /* if (max_sessions == 0) */ {
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MESOSPHERE_LOG("Deleting Named Port %s\n", name);
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/* Ensure that this else case is correct. */
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MESOSPHERE_AUDIT(max_sessions == 0);
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/* If we're closing, there's no server handle. */
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*out_server_handle = ams::svc::InvalidHandle;
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/* Delete the object. */
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R_TRY(KObjectName::Delete<KClientPort>(name));
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}
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return ResultSuccess();
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}
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}
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/* ============================= 64 ABI ============================= */
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Result ConnectToNamedPort64(ams::svc::Handle *out_handle, KUserPointer<const char *> name) {
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MESOSPHERE_PANIC("Stubbed SvcConnectToNamedPort64 was called.");
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}
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Result CreatePort64(ams::svc::Handle *out_server_handle, ams::svc::Handle *out_client_handle, int32_t max_sessions, bool is_light, ams::svc::Address name) {
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MESOSPHERE_PANIC("Stubbed SvcCreatePort64 was called.");
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}
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Result ManageNamedPort64(ams::svc::Handle *out_server_handle, KUserPointer<const char *> name, int32_t max_sessions) {
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return ManageNamedPort(out_server_handle, name, max_sessions);
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}
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Result ConnectToPort64(ams::svc::Handle *out_handle, ams::svc::Handle port) {
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MESOSPHERE_PANIC("Stubbed SvcConnectToPort64 was called.");
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}
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/* ============================= 64From32 ABI ============================= */
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Result ConnectToNamedPort64From32(ams::svc::Handle *out_handle, KUserPointer<const char *> name) {
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MESOSPHERE_PANIC("Stubbed SvcConnectToNamedPort64From32 was called.");
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}
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Result CreatePort64From32(ams::svc::Handle *out_server_handle, ams::svc::Handle *out_client_handle, int32_t max_sessions, bool is_light, ams::svc::Address name) {
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MESOSPHERE_PANIC("Stubbed SvcCreatePort64From32 was called.");
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}
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Result ManageNamedPort64From32(ams::svc::Handle *out_server_handle, KUserPointer<const char *> name, int32_t max_sessions) {
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return ManageNamedPort(out_server_handle, name, max_sessions);
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}
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Result ConnectToPort64From32(ams::svc::Handle *out_handle, ams::svc::Handle port) {
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MESOSPHERE_PANIC("Stubbed SvcConnectToPort64From32 was called.");
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}
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}
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