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Atmosphere/stratosphere/fs_mitm/source/sm_mitm.c

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3.9 KiB
C

/*
* Copyright (c) 2018 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/>.
*/
#include <switch.h>
#include <switch/arm/atomics.h>
#include "sm_mitm.h"
static Handle g_smMitmHandle = INVALID_HANDLE;
static u64 g_refCnt;
Result smMitMInitialize(void) {
atomicIncrement64(&g_refCnt);
if (g_smMitmHandle != INVALID_HANDLE)
return 0;
Result rc = svcConnectToNamedPort(&g_smMitmHandle, "sm:");
if (R_SUCCEEDED(rc)) {
IpcCommand c;
ipcInitialize(&c);
ipcSendPid(&c);
struct {
u64 magic;
u64 cmd_id;
u64 zero;
u64 reserved[2];
} *raw;
raw = ipcPrepareHeader(&c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 0;
raw->zero = 0;
rc = ipcDispatch(g_smMitmHandle);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
ipcParse(&r);
struct {
u64 magic;
u64 result;
} *resp = r.Raw;
rc = resp->result;
}
}
if (R_FAILED(rc))
smExit();
return rc;
}
void smMitMExit(void) {
if (atomicDecrement64(&g_refCnt) == 0) {
svcCloseHandle(g_smMitmHandle);
g_smMitmHandle = INVALID_HANDLE;
}
}
Result smMitMGetService(Service* service_out, const char *name_str)
{
u64 name = smEncodeName(name_str);
IpcCommand c;
ipcInitialize(&c);
struct {
u64 magic;
u64 cmd_id;
u64 service_name;
u64 reserved[2];
} *raw;
raw = ipcPrepareHeader(&c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 1;
raw->service_name = name;
Result rc = ipcDispatch(g_smMitmHandle);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
ipcParse(&r);
struct {
u64 magic;
u64 result;
} *resp = r.Raw;
rc = resp->result;
if (R_SUCCEEDED(rc)) {
service_out->type = ServiceType_Normal;
service_out->handle = r.Handles[0];
}
}
return rc;
}
Result smMitMInstall(Handle *handle_out, Handle *query_out, const char *name) {
IpcCommand c;
ipcInitialize(&c);
struct {
u64 magic;
u64 cmd_id;
u64 service_name;
} *raw;
raw = ipcPrepareHeader(&c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 65000;
raw->service_name = smEncodeName(name);
Result rc = ipcDispatch(g_smMitmHandle);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
ipcParse(&r);
struct {
u64 magic;
u64 result;
} *resp = r.Raw;
rc = resp->result;
if (R_SUCCEEDED(rc)) {
*handle_out = r.Handles[0];
*query_out = r.Handles[1];
}
}
return rc;
}
Result smMitMUninstall(const char *name) {
IpcCommand c;
ipcInitialize(&c);
struct {
u64 magic;
u64 cmd_id;
u64 service_name;
u64 reserved;
} *raw;
raw = ipcPrepareHeader(&c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 65001;
raw->service_name = smEncodeName(name);
Result rc = ipcDispatch(g_smMitmHandle);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
ipcParse(&r);
struct {
u64 magic;
u64 result;
} *resp = r.Raw;
rc = resp->result;
}
return rc;
}