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Stop seteuid to 1000 

#1872
This commit is contained in:
vvb2060 2022-12-03 01:03:38 +08:00 committed by LoveSy
parent e8cce7a88e
commit 0a26993039
1 changed files with 51 additions and 68 deletions
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119
daemon/src/main/java/org/lsposed/lspd/service/BridgeService.java
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@ -7,8 +7,6 @@ import android.os.IBinder;
import android.os.Looper; import android.os.Looper;
import android.os.Parcel; import android.os.Parcel;
import android.os.ServiceManager; import android.os.ServiceManager;
import android.system.ErrnoException;
import android.system.Os;
import android.util.Log; import android.util.Log;
import java.lang.reflect.Field; import java.lang.reflect.Field;
@ -71,87 +69,72 @@ public class BridgeService {
}; };
// For service // For service
// This MUST run in main thread
private static synchronized void sendToBridge(IBinder binder, boolean isRestart) { private static synchronized void sendToBridge(IBinder binder, boolean isRestart) {
assert Looper.myLooper() == Looper.getMainLooper(); do {
try { bridgeService = ServiceManager.getService(SERVICE_NAME);
Os.seteuid(0); if (bridgeService != null && bridgeService.pingBinder()) {
} catch (ErrnoException e) { break;
Log.e(TAG, "seteuid 0", e);
}
try {
do {
bridgeService = ServiceManager.getService(SERVICE_NAME);
if (bridgeService != null && bridgeService.pingBinder()) {
break;
}
Log.i(TAG, "service " + SERVICE_NAME + " is not started, wait 1s.");
try {
//noinspection BusyWait
Thread.sleep(1000);
} catch (Throwable e) {
Log.w(TAG, "sleep" + Log.getStackTraceString(e));
}
} while (true);
if (isRestart && listener != null) {
listener.onSystemServerRestarted();
} }
Log.i(TAG, "service " + SERVICE_NAME + " is not started, wait 1s.");
try { try {
bridgeService.linkToDeath(bridgeRecipient, 0); //noinspection BusyWait
Thread.sleep(1000);
} catch (Throwable e) { } catch (Throwable e) {
Log.w(TAG, "linkToDeath " + Log.getStackTraceString(e)); Log.w(TAG, "sleep" + Log.getStackTraceString(e));
}
} while (true);
if (isRestart && listener != null) {
listener.onSystemServerRestarted();
}
try {
bridgeService.linkToDeath(bridgeRecipient, 0);
} catch (Throwable e) {
Log.w(TAG, "linkToDeath " + Log.getStackTraceString(e));
var snapshot = bridgeService;
sendToBridge(binder, snapshot == null || !snapshot.isBinderAlive());
return;
}
Parcel data = Parcel.obtain();
Parcel reply = Parcel.obtain();
boolean res = false;
// try at most three times
for (int i = 0; i < 3; i++) {
try {
data.writeInterfaceToken(DESCRIPTOR);
data.writeInt(ACTION.ACTION_SEND_BINDER.ordinal());
Log.v(TAG, "binder " + binder.toString());
data.writeStrongBinder(binder);
if (bridgeService == null) break;
res = bridgeService.transact(TRANSACTION_CODE, data, reply, 0);
reply.readException();
} catch (Throwable e) {
Log.e(TAG, "send binder " + Log.getStackTraceString(e));
var snapshot = bridgeService; var snapshot = bridgeService;
sendToBridge(binder, snapshot == null || !snapshot.isBinderAlive()); sendToBridge(binder, snapshot == null || !snapshot.isBinderAlive());
return; return;
} finally {
data.recycle();
reply.recycle();
} }
Parcel data = Parcel.obtain(); if (res) break;
Parcel reply = Parcel.obtain();
boolean res = false;
// try at most three times
for (int i = 0; i < 3; i++) {
try {
data.writeInterfaceToken(DESCRIPTOR);
data.writeInt(ACTION.ACTION_SEND_BINDER.ordinal());
Log.v(TAG, "binder " + binder.toString());
data.writeStrongBinder(binder);
if (bridgeService == null) break;
res = bridgeService.transact(TRANSACTION_CODE, data, reply, 0);
reply.readException();
} catch (Throwable e) {
Log.e(TAG, "send binder " + Log.getStackTraceString(e));
var snapshot = bridgeService;
sendToBridge(binder, snapshot == null || !snapshot.isBinderAlive());
return;
} finally {
data.recycle();
reply.recycle();
}
if (res) break; Log.w(TAG, "no response from bridge, retry in 1s");
Log.w(TAG, "no response from bridge, retry in 1s");
try {
Thread.sleep(1000);
} catch (InterruptedException ignored) {
}
}
if (listener != null) {
listener.onResponseFromBridgeService(res);
}
} finally {
try { try {
Os.seteuid(1000); Thread.sleep(1000);
} catch (ErrnoException e) { } catch (InterruptedException ignored) {
Log.e(TAG, "seteuid 1000", e);
} }
} }
if (listener != null) {
listener.onResponseFromBridgeService(res);
}
} }
public static void send(LSPosedService service, Listener listener) { public static void send(LSPosedService service, Listener listener) {