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binder: Expose an aidl interface module

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Restructure the binder related makefile sections to expose a separate
|libwpa_binder_interface| which can be imported by clients/tests.

While there,
Change the name of the binder service to the name used in the selinux
permissions.

Signed-off-by: Roshan Pius <rpius@google.com>
This commit is contained in:
Roshan Pius 2016-07-07 09:48:00 -07:00 committed by Jouni Malinen
parent b84ce655d3
commit fe1d0771f7
5 changed files with 90 additions and 14 deletions
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58
wpa_supplicant/Android.mk
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@ -49,6 +49,12 @@ ifeq ($(TARGET_ARCH),arm)
L_CFLAGS += -mabi=aapcs-linux
endif
# C++ flags for binder interface
L_CPPFLAGS := -std=c++11 -Wall -Werror
# TODO: Remove these allowed warnings later.
L_CPPFLAGS += -Wno-unused-variable -Wno-unused-parameter
L_CPPFLAGS += -Wno-unused-private-field
INCLUDES = $(LOCAL_PATH)
INCLUDES += $(LOCAL_PATH)/src
INCLUDES += $(LOCAL_PATH)/src/common
@ -1350,13 +1356,8 @@ OBJS += $(DBUS_OBJS)
L_CFLAGS += $(DBUS_CFLAGS)
ifdef CONFIG_CTRL_IFACE_BINDER
BINDER=y
WPA_SUPPLICANT_USE_BINDER=y
L_CFLAGS += -DCONFIG_BINDER -DCONFIG_CTRL_IFACE_BINDER
OBJS += binder/binder.cpp binder/binder_manager.cpp
OBJS += binder/supplicant.cpp binder/iface.cpp
OBJS += binder/fi/w1/wpa_supplicant/ISupplicant.aidl
OBJS += binder/fi/w1/wpa_supplicant/ISupplicantCallbacks.aidl
OBJS += binder/fi/w1/wpa_supplicant/IIface.aidl
endif
ifdef CONFIG_READLINE
@ -1596,9 +1597,9 @@ LOCAL_C_INCLUDES := $(INCLUDES)
ifeq ($(DBUS), y)
LOCAL_SHARED_LIBRARIES += libdbus
endif
ifeq ($(BINDER), y)
LOCAL_AIDL_INCLUDES := $(LOCAL_PATH)/binder frameworks/native/aidl/binder
LOCAL_SHARED_LIBRARIES += libutils libbinder
ifeq ($(WPA_SUPPLICANT_USE_BINDER), y)
LOCAL_SHARED_LIBRARIES += libbinder libutils
LOCAL_STATIC_LIBRARIES += libwpa_binder libwpa_binder_interface
endif
include $(BUILD_EXECUTABLE)
@ -1638,3 +1639,42 @@ LOCAL_COPY_HEADERS_TO := libwpa_client
LOCAL_COPY_HEADERS := src/common/wpa_ctrl.h
LOCAL_COPY_HEADERS += src/common/qca-vendor.h
include $(BUILD_SHARED_LIBRARY)
ifeq ($(WPA_SUPPLICANT_USE_BINDER), y)
### Binder interface library ###
########################
include $(CLEAR_VARS)
LOCAL_MODULE := libwpa_binder_interface
LOCAL_AIDL_INCLUDES := \
$(LOCAL_PATH)/binder \
frameworks/native/aidl/binder
LOCAL_EXPORT_C_INCLUDE_DIRS := \
$(LOCAL_PATH)/binder
LOCAL_CPPFLAGS := $(L_CPPFLAGS)
LOCAL_SRC_FILES := \
binder/binder_constants.cpp \
binder/fi/w1/wpa_supplicant/ISupplicant.aidl \
binder/fi/w1/wpa_supplicant/ISupplicantCallbacks.aidl \
binder/fi/w1/wpa_supplicant/IIface.aidl
LOCAL_SHARED_LIBRARIES := libbinder
include $(BUILD_STATIC_LIBRARY)
### Binder service library ###
########################
include $(CLEAR_VARS)
LOCAL_MODULE := libwpa_binder
LOCAL_CPPFLAGS := $(L_CPPFLAGS)
LOCAL_CFLAGS := $(L_CFLAGS)
LOCAL_C_INCLUDES := $(INCLUDES)
LOCAL_SRC_FILES := \
binder/binder.cpp binder/binder_manager.cpp \
binder/supplicant.cpp binder/iface.cpp
LOCAL_SHARED_LIBRARIES := \
libbinder \
libutils
LOCAL_STATIC_LIBRARIES := libwpa_binder_interface
include $(BUILD_STATIC_LIBRARY)
endif # BINDER == y

18
wpa_supplicant/binder/binder_constants.cpp Normal file
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@ -0,0 +1,18 @@
/*
* binder interface for wpa_supplicant daemon
* Copyright (c) 2004-2016, Jouni Malinen <j@w1.fi>
* Copyright (c) 2004-2016, Roshan Pius <rpius@google.com>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "binder_constants.h"
namespace wpa_supplicant_binder {
namespace binder_constants {
const char kServiceName[] = "wpa_supplicant";
} /* namespace binder_constants */
} /* namespace wpa_supplicant_binder */

21
wpa_supplicant/binder/binder_constants.h Normal file
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@ -0,0 +1,21 @@
/*
* binder interface for wpa_supplicant daemon
* Copyright (c) 2004-2016, Jouni Malinen <j@w1.fi>
* Copyright (c) 2004-2016, Roshan Pius <rpius@google.com>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef BINDER_CONSTANTS_H
#define BINDER_CONSTANTS_H
namespace wpa_supplicant_binder {
namespace binder_constants {
extern const char kServiceName[];
} /* namespace binder_constants */
} /* namespace wpa_supplicant_binder */
#endif /* BINDER_CONSTANTS_H */

5
wpa_supplicant/binder/binder_manager.cpp
View File

@ -9,6 +9,7 @@
#include <binder/IServiceManager.h>
#include "binder_constants.h"
#include "binder_manager.h"
extern "C" {
@ -18,10 +19,8 @@ extern "C" {
namespace wpa_supplicant_binder {
const char BinderManager::kBinderServiceName[] = "fi.w1.wpa_supplicant";
BinderManager *BinderManager::instance_ = NULL;
BinderManager * BinderManager::getInstance()
{
if (!instance_)
@ -43,7 +42,7 @@ int BinderManager::registerBinderService(struct wpa_global *global)
/* Create the main binder service object and register with
* system service manager. */
supplicant_object_ = new Supplicant(global);
android::String16 service_name(kBinderServiceName);
android::String16 service_name(binder_constants::kServiceName);
android::defaultServiceManager()->addService(
service_name,
android::IInterface::asBinder(supplicant_object_));

2
wpa_supplicant/binder/binder_manager.h
View File

@ -29,8 +29,6 @@ namespace wpa_supplicant_binder {
*/
class BinderManager {
public:
static const char kBinderServiceName[];
static BinderManager * getInstance();
static void destroyInstance();
int registerBinderService(struct wpa_global *global);