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Atmosphere/libraries/libstratosphere/source/sm/sm_ams.c
2021-04-11 03:42:16 -07:00

142 lines
4.2 KiB
C

/*
* Copyright (c) 2018-2020 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define NX_SERVICE_ASSUME_NON_DOMAIN
#include "../service_guard.h"
#include "sm_ams.h"
static Result _smAtmosphereCmdHas(bool *out, SmServiceName name, u32 cmd_id) {
u8 tmp;
Result rc = tipcDispatchInOut(smGetServiceSessionTipc(), cmd_id, name, tmp);
if (R_SUCCEEDED(rc) && out) *out = tmp & 1;
return rc;
}
static Result _smAtmosphereCmdInServiceNameNoOut(SmServiceName name, TipcService *srv, u32 cmd_id) {
return tipcDispatchIn(srv, cmd_id, name);
}
static Result _smAtmosphereDetachClient(TipcService *srv) {
return tipcDispatch(srv, 4, .in_send_pid = true);
}
Result smAtmosphereHasService(bool *out, SmServiceName name) {
return _smAtmosphereCmdHas(out, name, 65100);
}
Result smAtmosphereWaitService(SmServiceName name) {
return _smAtmosphereCmdInServiceNameNoOut(name, smGetServiceSessionTipc(), 65101);
}
Result smAtmosphereHasMitm(bool *out, SmServiceName name) {
return _smAtmosphereCmdHas(out, name, 65004);
}
Result smAtmosphereWaitMitm(SmServiceName name) {
return _smAtmosphereCmdInServiceNameNoOut(name, smGetServiceSessionTipc(), 65005);
}
static TipcService g_smAtmosphereMitmSrv;
NX_GENERATE_SERVICE_GUARD(smAtmosphereMitm);
Result _smAtmosphereMitmInitialize(void) {
return smAtmosphereOpenSession(&g_smAtmosphereMitmSrv);
}
void _smAtmosphereMitmCleanup(void) {
smAtmosphereCloseSession(&g_smAtmosphereMitmSrv);
}
TipcService* smAtmosphereMitmGetServiceSession(void) {
return &g_smAtmosphereMitmSrv;
}
Result smAtmosphereOpenSession(TipcService *out) {
Handle sm_handle;
Result rc = svcConnectToNamedPort(&sm_handle, "sm:");
while (R_VALUE(rc) == KERNELRESULT(NotFound)) {
svcSleepThread(50000000ul);
rc = svcConnectToNamedPort(&sm_handle, "sm:");
}
if (R_SUCCEEDED(rc)) {
tipcCreate(out, sm_handle);
}
if (R_SUCCEEDED(rc)) {
rc = tipcDispatch(out, 0, .in_send_pid = true);
}
return rc;
}
void smAtmosphereCloseSession(TipcService *srv) {
Result rc = _smAtmosphereDetachClient(srv);
if (R_FAILED(rc)) {
svcBreak(BreakReason_Panic, (uintptr_t)&rc, sizeof(rc));
}
tipcClose(srv);
}
Result smAtmosphereMitmInstall(TipcService *fwd_srv, Handle *handle_out, Handle *query_out, SmServiceName name) {
Handle tmp_handles[2];
Result rc = tipcDispatchIn(fwd_srv, 65000, name,
.out_handle_attrs = { SfOutHandleAttr_HipcMove, SfOutHandleAttr_HipcMove },
.out_handles = tmp_handles,
);
if (R_SUCCEEDED(rc)) {
*handle_out = tmp_handles[0];
*query_out = tmp_handles[1];
}
return rc;
}
Result smAtmosphereMitmUninstall(SmServiceName name) {
return _smAtmosphereCmdInServiceNameNoOut(name, smGetServiceSessionTipc(), 65001);
}
Result smAtmosphereMitmDeclareFuture(SmServiceName name) {
return _smAtmosphereCmdInServiceNameNoOut(name, smGetServiceSessionTipc(), 65006);
}
Result smAtmosphereMitmClearFuture(SmServiceName name) {
return _smAtmosphereCmdInServiceNameNoOut(name, smGetServiceSessionTipc(), 65007);
}
Result smAtmosphereMitmAcknowledgeSession(Service *srv_out, void *_out, SmServiceName name) {
struct {
u64 process_id;
u64 program_id;
u64 keys_held;
u64 flags;
} *out = _out;
_Static_assert(sizeof(*out) == 0x20, "sizeof(*out) == 0x20");
Handle tmp_handle;
Result rc = tipcDispatchInOut(&g_smAtmosphereMitmSrv, 65003, name, *out,
.out_handle_attrs = { SfOutHandleAttr_HipcMove },
.out_handles = &tmp_handle,
);
if (R_SUCCEEDED(rc)) {
serviceCreate(srv_out, tmp_handle);
}
return rc;
}