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More robust sudb handling

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This commit is contained in:
topjohnwu 2017-12-29 04:01:39 +08:00
parent 96650c06f0
commit 349b3e961b
2 changed files with 15 additions and 10 deletions
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4
src/main/java/com/topjohnwu/magisk/MagiskManager.java
View File

@ -106,7 +106,7 @@ public class MagiskManager extends Application {
} catch (PackageManager.NameNotFoundException ignored) { /* Expected */ }
}
suDB = new SuDatabaseHelper(false);
suDB = SuDatabaseHelper.getSuDB(false);
repoDB = new RepoDatabaseHelper(this);
defaultLocale = Locale.getDefault();
setLocale();
@ -214,7 +214,7 @@ public class MagiskManager extends Application {
if (suDB != null && !SuDatabaseHelper.verified) {
suDB.close();
suDB = new SuDatabaseHelper();
suDB = SuDatabaseHelper.getSuDB(true);
}
}

21
src/main/java/com/topjohnwu/magisk/database/SuDatabaseHelper.java
View File

@ -62,7 +62,7 @@ public class SuDatabaseHelper extends SQLiteOpenHelper {
File db = Utils.getDB(context, DB_NAME);
if (!verify) {
if (db.length() == 0) {
if (db.exists() && db.length() == 0) {
ce.loadMagiskInfo();
// Continue verification
} else {
@ -108,7 +108,7 @@ public class SuDatabaseHelper extends SQLiteOpenHelper {
// New global su db
Shell.su(Utils.fmt("mkdir %s 2>/dev/null; chmod 700 %s", GLOBAL_DB.getParent(), GLOBAL_DB.getParent()));
if (!Utils.itemExist(GLOBAL_DB)) {
Utils.javaCreateFile(db);
context.openOrCreateDatabase(DB_NAME, 0, null).close();
Shell.su(Utils.fmt("cp -af %s %s; rm -f %s*", db, GLOBAL_DB, db));
}
verified = TextUtils.equals(Utils.checkInode(GLOBAL_DB), Utils.checkInode(db));
@ -125,12 +125,17 @@ public class SuDatabaseHelper extends SQLiteOpenHelper {
return context;
}
public SuDatabaseHelper() {
this(true);
}
public SuDatabaseHelper(boolean verify) {
this(initDB(verify));
public static SuDatabaseHelper getSuDB(boolean verify) {
try {
return new SuDatabaseHelper(initDB(verify));
} catch(Exception e) {
// Try to catch runtime exceptions and remove all db for retry
unmntDB();
Shell.su(Utils.fmt("rm -rf /data/user*/*/magisk.db /data/adb/magisk.db /data/user*/*/%s/databases"),
MagiskManager.get().getPackageName());
e.printStackTrace();
return new SuDatabaseHelper(initDB(false));
}
}
private SuDatabaseHelper(Context context) {