Initial support of 2.1 pairing.

Note: Some cases have not been tested yet, as we would need to
get proper UI support.

7 files changed, 219 insertions, 23 deletions

diff --git a/core/java/android/bluetooth/BluetoothDevice.java b/core/java/android/bluetooth/BluetoothDevice.java
index c942a27..a64c6d7 100644
--- a/core/java/android/bluetooth/BluetoothDevice.java
+++ b/core/java/android/bluetooth/BluetoothDevice.java
@@ -74,6 +74,14 @@ public class BluetoothDevice {
     /** An existing bond was explicitly revoked */
     public static final int UNBOND_REASON_REMOVED = 6;
 
+    /* The user will be prompted to enter a pin */
+    public static final int PAIRING_VARIANT_PIN = 0;
+    /* The user will be prompted to enter a passkey */
+    public static final int PAIRING_VARIANT_PASSKEY = 1;
+    /* The user will be prompted to confirm the passkey displayed on the screen */
+    public static final int PAIRING_VARIANT_CONFIRMATION = 2;
+
+
     private static final String TAG = "BluetoothDevice";
 
     private final IBluetoothDevice mService;
@@ -358,9 +366,24 @@ public class BluetoothDevice {
         } catch (RemoteException e) {Log.e(TAG, "", e);}
         return false;
     }
-    public boolean cancelPin(String address) {
+
+    public boolean setPasskey(String address, int passkey) {
+        try {
+            return mService.setPasskey(address, passkey);
+        } catch (RemoteException e) {Log.e(TAG, "", e);}
+        return false;
+    }
+
+    public boolean setPairingConfirmation(String address, boolean confirm) {
+        try {
+            return mService.setPairingConfirmation(address, confirm);
+        } catch (RemoteException e) {Log.e(TAG, "", e);}
+        return false;
+    }
+
+    public boolean cancelPairingUserInput(String address) {
         try {
-            return mService.cancelPin(address);
+            return mService.cancelPairingUserInput(address);
         } catch (RemoteException e) {Log.e(TAG, "", e);}
         return false;
     }
diff --git a/core/java/android/bluetooth/BluetoothIntent.java b/core/java/android/bluetooth/BluetoothIntent.java
index 344601b..d6c79b4 100644
--- a/core/java/android/bluetooth/BluetoothIntent.java
+++ b/core/java/android/bluetooth/BluetoothIntent.java
@@ -57,6 +57,10 @@ public interface BluetoothIntent {
         "android.bluetooth.intent.BOND_PREVIOUS_STATE";
     public static final String REASON =
         "android.bluetooth.intent.REASON";
+    public static final String PAIRING_VARIANT =
+        "android.bluetooth.intent.PAIRING_VARIANT";
+    public static final String PASSKEY =
+        "android.bluetooth.intent.PASSKEY";
 
     /** Broadcast when the local Bluetooth device state changes, for example
      *  when Bluetooth is enabled. Will contain int extra's BLUETOOTH_STATE and
diff --git a/core/java/android/bluetooth/IBluetoothDevice.aidl b/core/java/android/bluetooth/IBluetoothDevice.aidl
index c249c81..a78752b 100644
--- a/core/java/android/bluetooth/IBluetoothDevice.aidl
+++ b/core/java/android/bluetooth/IBluetoothDevice.aidl
@@ -54,5 +54,8 @@ interface IBluetoothDevice
     int getRemoteServiceChannel(in String address, String uuid);
 
     boolean setPin(in String address, in byte[] pin);
-    boolean cancelPin(in String address);
+    boolean setPasskey(in String address, int passkey);
+    boolean setPairingConfirmation(in String address, boolean confirm);
+    boolean cancelPairingUserInput(in String address);
+
 }
diff --git a/core/java/android/server/BluetoothDeviceService.java b/core/java/android/server/BluetoothDeviceService.java
index 13d980d..b780f41 100644
--- a/core/java/android/server/BluetoothDeviceService.java
+++ b/core/java/android/server/BluetoothDeviceService.java
@@ -959,7 +959,38 @@ public class BluetoothDeviceService extends IBluetoothDevice.Stub {
         return setPinNative(address, pinString, data.intValue());
     }
 
-    public synchronized boolean cancelPin(String address) {
+    public synchronized boolean setPasskey(String address, int passkey) {
+        mContext.enforceCallingOrSelfPermission(BLUETOOTH_ADMIN_PERM,
+                                                "Need BLUETOOTH_ADMIN permission");
+        if (passkey < 0 || passkey > 999999 || !BluetoothDevice.checkBluetoothAddress(address)) {
+            return false;
+        }
+        address = address.toUpperCase();
+        Integer data = mEventLoop.getPasskeyAgentRequestData().remove(address);
+        if (data == null) {
+            Log.w(TAG, "setPasskey(" + address + ") called but no native data available, " +
+                  "ignoring. Maybe the PasskeyAgent Request was cancelled by the remote device" +
+                  " or by bluez.\n");
+            return false;
+        }
+        return setPasskeyNative(address, passkey, data.intValue());
+    }
+
+    public synchronized boolean setPairingConfirmation(String address, boolean confirm) {
+        mContext.enforceCallingOrSelfPermission(BLUETOOTH_ADMIN_PERM,
+                                                "Need BLUETOOTH_ADMIN permission");
+        address = address.toUpperCase();
+        Integer data = mEventLoop.getPasskeyAgentRequestData().remove(address);
+        if (data == null) {
+            Log.w(TAG, "setPasskey(" + address + ") called but no native data available, " +
+                  "ignoring. Maybe the PasskeyAgent Request was cancelled by the remote device" +
+                  " or by bluez.\n");
+            return false;
+        }
+        return setPairingConfirmationNative(address, confirm, data.intValue());
+    }
+
+    public synchronized boolean cancelPairingUserInput(String address) {
         mContext.enforceCallingOrSelfPermission(BLUETOOTH_ADMIN_PERM,
                                                 "Need BLUETOOTH_ADMIN permission");
         if (!BluetoothDevice.checkBluetoothAddress(address)) {
@@ -968,12 +999,12 @@ public class BluetoothDeviceService extends IBluetoothDevice.Stub {
         address = address.toUpperCase();
         Integer data = mEventLoop.getPasskeyAgentRequestData().remove(address);
         if (data == null) {
-            Log.w(TAG, "cancelPin(" + address + ") called but no native data available, " +
-                  "ignoring. Maybe the PasskeyAgent Request was already cancelled by the remote " +
-                  "or by bluez.\n");
+            Log.w(TAG, "cancelUserInputNative(" + address + ") called but no native data " +
+                "available, ignoring. Maybe the PasskeyAgent Request was already cancelled " +
+                "by the remote or by bluez.\n");
             return false;
         }
-        return cancelPinNative(address, data.intValue());
+        return cancelPairingUserInputNative(address, data.intValue());
     }
 
     private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
@@ -1160,7 +1191,10 @@ public class BluetoothDeviceService extends IBluetoothDevice.Stub {
     private native int getDeviceServiceChannelNative(String objectPath, String uuid,
             int attributeId);
 
-    private native boolean cancelPinNative(String address, int nativeData);
+    private native boolean cancelPairingUserInputNative(String address, int nativeData);
     private native boolean setPinNative(String address, String pin, int nativeData);
+    private native boolean setPasskeyNative(String address, int passkey, int nativeData);
+    private native boolean setPairingConfirmationNative(String address, boolean confirm,
+            int nativeData);
 
 }
diff --git a/core/java/android/server/BluetoothEventLoop.java b/core/java/android/server/BluetoothEventLoop.java
index 76906b6..dc84d1f 100644
--- a/core/java/android/server/BluetoothEventLoop.java
+++ b/core/java/android/server/BluetoothEventLoop.java
@@ -317,23 +317,53 @@ class BluetoothEventLoop {
             }
             mBluetoothService.setRemoteDeviceProperty(address, name, uuid);
         }
-
     }
 
-    private void onRequestPinCode(String objectPath, int nativeData) {
+    private String checkPairingRequestAndGetAddress(String objectPath, int nativeData) {
         String address = mBluetoothService.getAddressFromObjectPath(objectPath);
         if (address == null) {
-            Log.e(TAG, "Unable to get device address in onRequestPinCode, returning null");
-            return;
+            Log.e(TAG, "Unable to get device address in checkPairingRequestAndGetAddress, " +
+                  "returning null");
+            return null;
         }
         address = address.toUpperCase();
         mPasskeyAgentRequestData.put(address, new Integer(nativeData));
 
         if (mBluetoothService.getBluetoothState() == BluetoothDevice.BLUETOOTH_STATE_TURNING_OFF) {
             // shutdown path
-            mBluetoothService.cancelPin(address);
-            return;
+            mBluetoothService.cancelPairingUserInput(address);
+            return null;
         }
+        return address;
+    }
+
+    private void onRequestConfirmation(String objectPath, int passkey, int nativeData) {
+        String address = checkPairingRequestAndGetAddress(objectPath, nativeData);
+        if (address == null) return;
+
+        Intent intent = new Intent(BluetoothIntent.PAIRING_REQUEST_ACTION);
+        intent.putExtra(BluetoothIntent.ADDRESS, address);
+        intent.putExtra(BluetoothIntent.PASSKEY, passkey);
+        intent.putExtra(BluetoothIntent.PAIRING_VARIANT,
+                BluetoothDevice.PAIRING_VARIANT_CONFIRMATION);
+        mContext.sendBroadcast(intent, BLUETOOTH_ADMIN_PERM);
+        return;
+    }
+
+    private void onRequestPasskey(String objectPath, int nativeData) {
+        String address = checkPairingRequestAndGetAddress(objectPath, nativeData);
+        if (address == null) return;
+
+        Intent intent = new Intent(BluetoothIntent.PAIRING_REQUEST_ACTION);
+        intent.putExtra(BluetoothIntent.ADDRESS, address);
+        intent.putExtra(BluetoothIntent.PAIRING_VARIANT, BluetoothDevice.PAIRING_VARIANT_PASSKEY);
+        mContext.sendBroadcast(intent, BLUETOOTH_ADMIN_PERM);
+        return;
+    }
+
+    private void onRequestPinCode(String objectPath, int nativeData) {
+        String address = checkPairingRequestAndGetAddress(objectPath, nativeData);
+        if (address == null) return;
 
         if (mBluetoothService.getBondState().getBondState(address) ==
                 BluetoothDevice.BOND_BONDING) {
@@ -358,6 +388,7 @@ class BluetoothEventLoop {
         }
         Intent intent = new Intent(BluetoothIntent.PAIRING_REQUEST_ACTION);
         intent.putExtra(BluetoothIntent.ADDRESS, address);
+        intent.putExtra(BluetoothIntent.PAIRING_VARIANT, BluetoothDevice.PAIRING_VARIANT_PIN);
         mContext.sendBroadcast(intent, BLUETOOTH_ADMIN_PERM);
         return;
     }
@@ -386,9 +417,9 @@ class BluetoothEventLoop {
     }
 
     private void onAgentCancel() {
-        // We immediately response to DBUS Authorize() so this should not
-        // usually happen
-        log("onAgentCancel");
+        Intent intent = new Intent(BluetoothIntent.PAIRING_CANCEL_ACTION);
+        mContext.sendBroadcast(intent, BLUETOOTH_ADMIN_PERM);
+        return;
     }
 
     private void onRestartRequired() {
diff --git a/core/jni/android_server_BluetoothDeviceService.cpp b/core/jni/android_server_BluetoothDeviceService.cpp
index b02a19b..444e628 100644
--- a/core/jni/android_server_BluetoothDeviceService.cpp
+++ b/core/jni/android_server_BluetoothDeviceService.cpp
@@ -437,6 +437,65 @@ static jint isEnabledNative(JNIEnv *env, jobject object) {
     return -1;
 }
 
+static jboolean setPairingConfirmationNative(JNIEnv *env, jobject object,
+                                             jstring address, bool confirm,
+                                             int nativeData) {
+#ifdef HAVE_BLUETOOTH
+    LOGV(__FUNCTION__);
+    native_data_t *nat = get_native_data(env, object);
+    if (nat) {
+        DBusMessage *msg = (DBusMessage *)nativeData;
+        DBusMessage *reply;
+        if (confirm) {
+            reply = dbus_message_new_method_return(msg);
+        } else {
+            reply = dbus_message_new_error(msg,
+                "org.bluez.Error.Rejected", "User rejected confirmation");
+        }
+
+        if (!reply) {
+            LOGE("%s: Cannot create message reply to RequestConfirmation to "
+                 "D-Bus\n", __FUNCTION__);
+            dbus_message_unref(msg);
+            return JNI_FALSE;
+        }
+
+        dbus_connection_send(nat->conn, reply, NULL);
+        dbus_message_unref(msg);
+        dbus_message_unref(reply);
+        return JNI_TRUE;
+    }
+#endif
+    return JNI_FALSE;
+}
+
+static jboolean setPasskeyNative(JNIEnv *env, jobject object, jstring address,
+                         int passkey, int nativeData) {
+#ifdef HAVE_BLUETOOTH
+    LOGV(__FUNCTION__);
+    native_data_t *nat = get_native_data(env, object);
+    if (nat) {
+        DBusMessage *msg = (DBusMessage *)nativeData;
+        DBusMessage *reply = dbus_message_new_method_return(msg);
+        if (!reply) {
+            LOGE("%s: Cannot create message reply to return Passkey code to "
+                 "D-Bus\n", __FUNCTION__);
+            dbus_message_unref(msg);
+            return JNI_FALSE;
+        }
+
+        dbus_message_append_args(reply, DBUS_TYPE_UINT32, (uint32_t *)&passkey,
+                                 DBUS_TYPE_INVALID);
+
+        dbus_connection_send(nat->conn, reply, NULL);
+        dbus_message_unref(msg);
+        dbus_message_unref(reply);
+        return JNI_TRUE;
+    }
+#endif
+    return JNI_FALSE;
+}
+
 static jboolean setPinNative(JNIEnv *env, jobject object, jstring address,
                          jstring pin, int nativeData) {
 #ifdef HAVE_BLUETOOTH
@@ -467,17 +526,17 @@ static jboolean setPinNative(JNIEnv *env, jobject object, jstring address,
     return JNI_FALSE;
 }
 
-static jboolean cancelPinNative(JNIEnv *env, jobject object, jstring address,
-                            int nativeData) {
+static jboolean cancelPairingUserInputNative(JNIEnv *env, jobject object,
+                                            jstring address, int nativeData) {
 #ifdef HAVE_BLUETOOTH
     LOGV(__FUNCTION__);
     native_data_t *nat = get_native_data(env, object);
     if (nat) {
         DBusMessage *msg = (DBusMessage *)nativeData;
         DBusMessage *reply = dbus_message_new_error(msg,
-                "org.bluez.Error.Canceled", "PIN Entry was canceled");
+                "org.bluez.Error.Canceled", "Pairing User Input was canceled");
         if (!reply) {
-            LOGE("%s: Cannot create message reply to return PIN cancel to "
+            LOGE("%s: Cannot create message reply to return cancelUserInput to"
                  "D-BUS\n", __FUNCTION__);
             dbus_message_unref(msg);
             return JNI_FALSE;
@@ -665,8 +724,12 @@ static JNINativeMethod sMethods[] = {
     {"getDeviceServiceChannelNative", "(Ljava/lang/String;Ljava/lang/String;I)I",
       (void *)getDeviceServiceChannelNative},
 
+    {"setPairingConfirmationNative", "(Ljava/lang/String;ZI)Z",
+            (void *)setPairingConfirmationNative},
+    {"setPasskeyNative", "(Ljava/lang/String;II)Z", (void *)setPasskeyNative},
     {"setPinNative", "(Ljava/lang/String;Ljava/lang/String;I)Z", (void *)setPinNative},
-    {"cancelPinNative", "(Ljava/lang/String;I)Z", (void *)cancelPinNative},
+    {"cancelPairingUserInputNative", "(Ljava/lang/String;I)Z",
+            (void *)cancelPairingUserInputNative},
 };
 
 int register_android_server_BluetoothDeviceService(JNIEnv *env) {
diff --git a/core/jni/android_server_BluetoothEventLoop.cpp b/core/jni/android_server_BluetoothEventLoop.cpp
index 0857cb3..4a13e80 100644
--- a/core/jni/android_server_BluetoothEventLoop.cpp
+++ b/core/jni/android_server_BluetoothEventLoop.cpp
@@ -50,6 +50,8 @@ static jmethodID method_onCreatePairedDeviceResult;
 static jmethodID method_onGetDeviceServiceChannelResult;
 
 static jmethodID method_onRequestPinCode;
+static jmethodID method_onRequestPasskey;
+static jmethodID method_onRequestConfirmation;
 static jmethodID method_onAgentAuthorize;
 static jmethodID method_onAgentCancel;
 
@@ -89,6 +91,10 @@ static void classInitNative(JNIEnv* env, jclass clazz) {
     method_onAgentCancel = env->GetMethodID(clazz, "onAgentCancel", "()V");
     method_onRequestPinCode = env->GetMethodID(clazz, "onRequestPinCode",
                                                "(Ljava/lang/String;I)V");
+    method_onRequestPasskey = env->GetMethodID(clazz, "onRequestPasskey",
+                                               "(Ljava/lang/String;I)V");
+    method_onRequestConfirmation = env->GetMethodID(clazz, "onRequestConfirmation",
+                                               "(Ljava/lang/String;II)V");
 
     field_mNativeData = env->GetFieldID(clazz, "mNativeData", "I");
 #endif
@@ -872,6 +878,38 @@ DBusHandlerResult agent_event_filter(DBusConnection *conn,
                                        int(msg));
         return DBUS_HANDLER_RESULT_HANDLED;
     } else if (dbus_message_is_method_call(msg,
+            "org.bluez.Agent", "RequestPasskey")) {
+        char *object_path;
+        if (!dbus_message_get_args(msg, NULL,
+                                   DBUS_TYPE_OBJECT_PATH, &object_path,
+                                   DBUS_TYPE_INVALID)) {
+            LOGE("%s: Invalid arguments for RequestPasskey() method", __FUNCTION__);
+            return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+        }
+
+        dbus_message_ref(msg);  // increment refcount because we pass to java
+        env->CallVoidMethod(nat->me, method_onRequestPasskey,
+                                       env->NewStringUTF(object_path),
+                                       int(msg));
+    } else if (dbus_message_is_method_call(msg,
+            "org.bluez.Agent", "RequestConfirmation")) {
+        char *object_path;
+        uint32_t passkey;
+        if (!dbus_message_get_args(msg, NULL,
+                                   DBUS_TYPE_OBJECT_PATH, &object_path,
+                                   DBUS_TYPE_UINT32, &passkey,
+                                   DBUS_TYPE_INVALID)) {
+            LOGE("%s: Invalid arguments for RequestConfirmation() method", __FUNCTION__);
+            return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+        }
+
+        dbus_message_ref(msg);  // increment refcount because we pass to java
+        env->CallVoidMethod(nat->me, method_onRequestConfirmation,
+                                       env->NewStringUTF(object_path),
+                                       passkey,
+                                       int(msg));
+        return DBUS_HANDLER_RESULT_HANDLED;
+    } else if (dbus_message_is_method_call(msg,
                   "org.bluez.Agent", "Release")) {
         // reply
         DBusMessage *reply = dbus_message_new_method_return(msg);