android adb 許可權改動

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1. 改動 ADB ROOT許可權:

system/core$ git diff adb/adb.c
diff --git a/adb/adb.c b/adb/adb.c
index 99bea0f..d8fc090 100644
--- a/adb/adb.c
+++ b/adb/adb.c
@@ -1217,6 +1217,11 @@ static void drop_capabilities_bounding_set_if_needed() {
 
 static int should_drop_privileges() {
 #ifndef ALLOW_ADBD_ROOT
+       char value[PROPERTY_VALUE_MAX];
+       property_get("hw.hasusbadbroot", value, "");
+       if(strcmp(value, "1") == 0)
+       return 0;
+ else
     return 1;
 #else /* ALLOW_ADBD_ROOT */
     int secure = 0;

同一時候在system.prop中加入hw.hasusbadbroot=1

2.去掉adb 密鑰校正：

ro.adb.secure=0

3.改動開發人員選項隱藏

packages/apps/Settings/src/com/android/settings/Settings.java

     private void updateHeaderList(List<Header> target) {
-        final boolean showDev = mDevelopmentPreferences.getBoolean(
-                DevelopmentSettings.PREF_SHOW,
-                android.os.Build.TYPE.equals("eng"));
-        int i = 0;
+//        final boolean showDev = mDevelopmentPreferences.getBoolean(
+//                DevelopmentSettings.PREF_SHOW,
+//                android.os.Build.TYPE.equals("eng")); //samjiang modify
+               final boolean showDev = true; 
+               int i = 0;
 
         final UserManager um = (UserManager) getSystemService(Context.USER_SERVICE);
         mHeaderIndexMap.clear();

4.USB調試預設開啟：

@@ -272,7 +272,7 @@ for these).
         <li>Installs APKs according to the product definition files; tags
             are ignored for APK modules.
         <li><code>ro.secure=1</code>
-        <li><code>ro.debuggable=0</code>
+        <li><code>ro.debuggable=1</code>
         <li><code>adb</code> is disabled by default.
     </td>
 </tr>

        "<code>make user</code>"
        <p>
        This is the flavor intended to be the final release bits.
        <ul>
        <li>Installs modules tagged with <code>shell_</code>$(TARGET_SHELL) and <code>user</code>.
        <li>Installs non-APK modules that have no tags specified.
        <li>Installs APKs according to the product definition files; tags
            are ignored for APK modules.
        <li><code>ro.secure=1</code>
        <li><code>ro.debuggable=1</code>
        <li><code>adb</code> is disabled by default.
    </td>
</tr>
<tr>
    <td>

@@ -350,7 +350,7 @@ ifeq (true,$(strip $(enable_target_debugging)))
   INCLUDE_TEST_OTA_KEYS := true
 else # !enable_target_debugging
   # Target is less debuggable and adbd is off by default
-  ADDITIONAL_DEFAULT_PROPERTIES += ro.debuggable=0
+  ADDITIONAL_DEFAULT_PROPERTIES += ro.debuggable=1
 endif # !enable_target_debugging

android adb 許可權改動