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kern: SvcConnectToNamedPort

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This commit is contained in:
Michael Scire 2020-07-09 14:49:51 -07:00
parent a2eb93fde8
commit 7400a8ff68
15 changed files with 376 additions and 15 deletions
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39
libraries/libmesosphere/source/svc/kern_svc_port.cpp
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@ -77,12 +77,47 @@ namespace ams::kern::svc {
return ResultSuccess();
}
Result ConnectToNamedPort(ams::svc::Handle *out, KUserPointer<const char *> user_name) {
/* Copy the provided name from user memory to kernel memory. */
char name[KObjectName::NameLengthMax] = {};
R_TRY(user_name.CopyStringTo(name, sizeof(name)));
/* Validate that name is valid. */
R_UNLESS(name[sizeof(name) - 1] == '\x00', svc::ResultOutOfRange());
MESOSPHERE_LOG("%s: ConnectToNamedPort(%s) was called\n", GetCurrentProcess().GetName(), name);
/* Get the current handle table. */
auto &handle_table = GetCurrentProcess().GetHandleTable();
/* Find the client port. */
auto port = KObjectName::Find<KClientPort>(name);
R_UNLESS(port.IsNotNull(), svc::ResultNotFound());
/* Reserve a handle for the port. */
/* NOTE: Nintendo really does write directly to the output handle here. */
R_TRY(handle_table.Reserve(out));
auto handle_guard = SCOPE_GUARD { handle_table.Unreserve(*out); };
/* Create a session. */
KClientSession *session;
R_TRY(port->CreateSession(std::addressof(session)));
/* Register the session in the table, close the extra reference. */
handle_table.Register(*out, session);
session->Close();
/* We succeeded. */
handle_guard.Cancel();
return ResultSuccess();
}
}
/* ============================= 64 ABI ============================= */
Result ConnectToNamedPort64(ams::svc::Handle *out_handle, KUserPointer<const char *> name) {
MESOSPHERE_PANIC("Stubbed SvcConnectToNamedPort64 was called.");
return ConnectToNamedPort(out_handle, name);
}
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) {
@ -100,7 +135,7 @@ namespace ams::kern::svc {
/* ============================= 64From32 ABI ============================= */
Result ConnectToNamedPort64From32(ams::svc::Handle *out_handle, KUserPointer<const char *> name) {
MESOSPHERE_PANIC("Stubbed SvcConnectToNamedPort64From32 was called.");
return ConnectToNamedPort(out_handle, name);
}
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) {