binding: bluetooth: make system wide service

Allow Bluetooth binding to be build separately and installed
as a system wide service

Bug-AGL: SPEC-661 SPEC-715
Change-Id: I12feefa2908243aa3bdcb0341f9bc9654c23741e
Signed-off-by: Matt Ranostay <matt.ranostay@konsulko.com>

1 files changed, 736 insertions, 0 deletions

diff --git a/binding-bluetooth/bluetooth-agent.c b/binding-bluetooth/bluetooth-agent.c
new file mode 100644
index 0000000..7193ce5
--- /dev/null
+++ b/binding-bluetooth/bluetooth-agent.c
@@ -0,0 +1,736 @@
+/*  Copyright 2016 ALPS ELECTRIC CO., LTD.
+*
+*   Licensed under the Apache License, Version 2.0 (the "License");
+*   you may not use this file except in compliance with the License.
+*   You may obtain a copy of the License at
+*
+*   http://www.apache.org/licenses/LICENSE-2.0
+*
+*   Unless required by applicable law or agreed to in writing, software
+*   distributed under the License is distributed on an "AS IS" BASIS,
+*   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+*   See the License for the specific language governing permissions and
+*   limitations under the License.
+*/
+
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <gio/gio.h>
+
+#include "bluetooth-agent.h"
+
+#ifdef AGENT_THREAD
+
+#include <pthread.h>
+
+static GMainLoop *agentLoop = NULL;
+#endif
+
+static GDBusConnection *system_conn = NULL;
+static gboolean agent_registered = FALSE;
+static const char *agent_capability = NULL;
+static Agent_RegisterCallback_t agent_RegisterCallback = { 0 };
+static AGENTOrgBluezAgent1 * agnet_interface = NULL;
+
+static struct Agent_Node *agent_event = NULL;
+
+
+static void agent_event_auto_release(struct Agent_Node *event)
+{
+    if (NULL == event ){
+        return;
+    }
+    g_dbus_method_invocation_return_dbus_error (event->invocation,
+                                                ERROR_BLUEZ_REJECT, "");
+    g_free(event);
+}
+
+/*
+ * Store the agent event
+ */
+static void agent_event_new(AGENTOrgBluezAgent1      *object,
+                    GDBusMethodInvocation   *invocation, int type)
+{
+    LOGD("\n");
+    if(NULL !=agent_event )
+    {
+        agent_event_auto_release(agent_event);
+    }
+    agent_event = g_malloc0(sizeof(struct Agent_Node));
+    agent_event->type = type;
+    agent_event->object = object;
+    agent_event->invocation = invocation;
+
+}
+
+
+/*
+ * agent api
+ *
+ * Methods : void Release()
+ * This method gets called when the service daemon
+ * unregisters the agent. An agent can use it to do
+ * cleanup tasks. There is no need to unregister the
+ * agent, because when this method gets called it has
+ * already been unregistered.
+ */
+static gboolean
+on_handle_Release (AGENTOrgBluezAgent1      *object,
+                    GDBusMethodInvocation   *invocation,
+                    gpointer                user_data)
+{
+    LOGD("\n");
+
+    //gboolean ret = FALSE;
+
+    if (NULL != agent_RegisterCallback.agent_Release)
+    {
+        agent_RegisterCallback.agent_Release();
+    }
+
+    agent_org_bluez_agent1_complete_release(object, invocation);
+
+    g_dbus_interface_skeleton_unexport(
+        G_DBUS_INTERFACE_SKELETON(agnet_interface));
+
+    g_object_unref(agnet_interface);
+    agent_registered = FALSE;
+
+#ifdef AGENT_THREAD
+    if(agentLoop){
+        g_main_loop_quit(agentLoop);
+    }
+#endif
+
+    return TRUE;
+}
+
+/*
+ * agent api
+ * Methods : string RequestPinCode(object device)
+ *
+ * This method gets called when the service daemon
+ * needs to get the passkey for an authentication.
+ *
+ * The return value should be a string of 1-16 characters
+ * length. The string can be alphanumeric.
+ */
+static gboolean
+on_handle_RequestPinCode (AGENTOrgBluezAgent1       *object,
+                            GDBusMethodInvocation   *invocation,
+                            const gchar             *device,
+                            gpointer                user_data)
+{
+
+    LOGD("device:%s.\n",device);
+
+    gboolean ret = FALSE;
+    const gchar *error = ERROR_BLUEZ_REJECT;
+    gchar *response;
+
+    if (NULL != agent_RegisterCallback.agent_RequestPinCode)
+    {
+        ret = agent_RegisterCallback.agent_RequestPinCode (device,
+                                                           &response, &error);
+    }
+
+    if (TRUE == ret)
+    {
+        agent_org_bluez_agent1_complete_request_pin_code(object,
+                                                        invocation, response);
+        g_free(response);
+
+    }
+    else
+    {
+         g_dbus_method_invocation_return_dbus_error (invocation, error, "");
+    }
+
+    return TRUE;
+}
+
+/*
+ * agent api
+ * Methods : void DisplayPinCode(object device, string pincode)
+ *
+ * This method gets called when the service daemon
+ * needs to display a pincode for an authentication.
+ */
+static gboolean
+on_handle_DisplayPinCode (AGENTOrgBluezAgent1   *object,
+                        GDBusMethodInvocation   *invocation,
+                        const gchar             *device,
+                        const gchar             *pincode,
+                        gpointer                user_data)
+{
+
+    LOGD("device:%s,pincode:%s.\n",device, pincode);
+
+    gboolean ret = FALSE;
+    const gchar *error = ERROR_BLUEZ_REJECT;
+
+    if (NULL != agent_RegisterCallback.agent_DisplayPinCode)
+    {
+        ret = agent_RegisterCallback.agent_DisplayPinCode(device,
+                                                            pincode, &error);
+    }
+
+    if (TRUE == ret)
+    {
+        agent_org_bluez_agent1_complete_display_pin_code(object, invocation);
+    }
+    else
+    {
+        g_dbus_method_invocation_return_dbus_error (invocation, error, "");
+    }
+
+     return TRUE;
+}
+
+
+/*
+ * agent api
+ * Methods : uint32 RequestPasskey(object device)
+ *
+ * This method gets called when the service daemon
+ * needs to get the passkey for an authentication.
+ *
+ * The return value should be a numeric value
+ * between 0-999999.
+ */
+static gboolean
+on_handle_RequestPasskey (AGENTOrgBluezAgent1   *object,
+                        GDBusMethodInvocation   *invocation,
+                        const gchar             *device,
+                        gpointer                user_data)
+{
+
+    LOGD("device:%s.\n",device);
+
+    gboolean ret = FALSE;
+    const gchar *error = ERROR_BLUEZ_REJECT;
+    guint passkey;
+
+    if (NULL != agent_RegisterCallback.agent_RequestPasskey)
+    {
+        ret = agent_RegisterCallback.agent_RequestPasskey(device,
+                                                            &passkey, &error);
+    }
+
+    if (TRUE == ret)
+    {
+        agent_org_bluez_agent1_complete_request_passkey(object,
+                                                        invocation, passkey);
+    }
+    else
+    {
+        g_dbus_method_invocation_return_dbus_error (invocation, error, "");
+    }
+
+    return TRUE;
+
+}
+
+
+/*
+ * agent api
+ * Methods : void DisplayPasskey(object device, uint32 passkey, uint16 entered)
+ *
+ * This method gets called when the service daemon
+ * needs to display a passkey for an authentication.
+ *
+ * The entered parameter indicates the number of already
+ * typed keys on the remote side.
+ */
+static gboolean
+on_handle_DisplayPasskey (AGENTOrgBluezAgent1   *object,
+                        GDBusMethodInvocation   *invocation,
+                        const gchar             *device,
+                        guint                   passkey,
+                        guint16                 entered,
+                        gpointer                user_data)
+{
+
+    LOGD("device:%s,passkey:%d,entered:%d.\n",device, passkey, entered);
+
+    //gboolean ret = FALSE;
+
+    if (NULL != agent_RegisterCallback.agent_DisplayPasskey)
+    {
+        agent_RegisterCallback.agent_DisplayPasskey(device, passkey, entered);
+    }
+
+    agent_org_bluez_agent1_complete_display_passkey(object, invocation);
+
+
+    return TRUE;
+
+}
+
+/*
+ * agent api
+ * Methods : void RequestConfirmation(object device, uint32 passkey)
+ *
+ * This method gets called when the service daemon
+ * needs to confirm a passkey for an authentication.
+ *
+ * To confirm the value it should return an empty reply
+ * or an error in case the passkey is invalid.
+ */
+static gboolean
+on_handle_RequestConfirmation (AGENTOrgBluezAgent1  *object,
+                            GDBusMethodInvocation   *invocation,
+                            const gchar             *device,
+                            guint                   passkey,
+                            gpointer                user_data)
+{
+    LOGD("device:%s,passkey:%d.\n", device, passkey);
+
+    gboolean ret = FALSE;
+    const gchar *error = ERROR_BLUEZ_REJECT;
+
+    if (NULL != agent_RegisterCallback.agent_RequestConfirmation)
+    {
+        ret = agent_RegisterCallback.agent_RequestConfirmation(device,
+                                                              passkey, &error);
+    }
+    LOGD("ret %d\n",ret);
+    if (TRUE == ret)
+    {
+        agent_event_new(object, invocation,REQUEST_CONFIRMATION);
+        //agent_org_bluez_agent1_complete_request_confirmation(object,
+        //                                                    invocation);
+    }
+    else
+    {
+        g_dbus_method_invocation_return_dbus_error (invocation, error, "");
+    }
+
+    return TRUE;
+}
+
+/*
+ * agent api
+ * Methods : void RequestAuthorization(object device)
+ *
+ * This method gets called to request the user to
+ * authorize an incoming pairing attempt which
+ * would in other circumstances trigger the just-works
+ * model.
+ */
+static gboolean
+on_handle_RequestAuthorization (AGENTOrgBluezAgent1     *object,
+                                GDBusMethodInvocation   *invocation,
+                                const gchar             *device,
+                                gpointer                user_data)
+{
+    LOGD("device:%s.\n",device);
+
+    gboolean ret = FALSE;
+    const gchar *error = ERROR_BLUEZ_REJECT;
+
+    if (NULL != agent_RegisterCallback.agent_RequestAuthorization)
+    {
+        ret = agent_RegisterCallback.agent_RequestAuthorization(device,&error);
+    }
+
+    if (TRUE == ret)
+    {
+        agent_org_bluez_agent1_complete_request_authorization(object,
+                                                                invocation);
+    }
+    else
+    {
+        g_dbus_method_invocation_return_dbus_error (invocation, error, "");
+    }
+
+    return TRUE;
+}
+
+/*
+ * agent api
+ * Methods : void AuthorizeService(object device, string uuid)
+ *
+ * This method gets called when the service daemon
+ * needs to authorize a connection/service request.
+ */
+static gboolean
+on_handle_AuthorizeService (AGENTOrgBluezAgent1     *object,
+                            GDBusMethodInvocation   *invocation,
+                            const gchar             *device,
+                            const gchar             *uuid,
+                            gpointer                user_data)
+{
+
+    LOGD("device:%s.uuid:%s\n",device,uuid);
+
+    gboolean ret = FALSE;
+    const gchar *error = ERROR_BLUEZ_REJECT;
+
+    if (NULL != agent_RegisterCallback.agent_AuthorizeService)
+    {
+        ret = agent_RegisterCallback.agent_AuthorizeService(device,
+                                                            uuid, &error);
+    }
+
+    if (TRUE == ret)
+    {
+        agent_org_bluez_agent1_complete_authorize_service(object, invocation);
+    }
+    else
+    {
+        g_dbus_method_invocation_return_dbus_error (invocation, error, "");
+    }
+
+    return TRUE;
+}
+
+/*
+ * agent api
+ * Methods : void Cancel()
+ *
+ * This method gets called to indicate that the agent
+ * request failed before a reply was returned.
+ */
+static gboolean
+on_handle_Cancel (AGENTOrgBluezAgent1           *object,
+                       GDBusMethodInvocation    *invocation,
+                       gpointer                 user_data)
+{
+    LOGD("\n");
+
+    if (NULL != agent_RegisterCallback.agent_Cancel)
+    {
+        agent_RegisterCallback.agent_Cancel();
+    }
+
+    agent_org_bluez_agent1_complete_cancel(object, invocation);
+
+    return TRUE;
+
+}
+
+/*
+ * agent init
+ * init the dbus and register the agent to bluez
+ */
+static int create_and_register_agent(const char *capability)
+{
+    GError *error = NULL;
+    gboolean ret;
+    GVariant *value;
+
+    LOGD("%s\n",capability);
+
+    if (agent_registered == TRUE) {
+        LOGD("Agent is already registered\n");
+        return -1;
+    }
+
+    system_conn = g_bus_get_sync(G_BUS_TYPE_SYSTEM, NULL, &error);
+
+    if (error)
+    {
+        LOGE("errr:%s",error->message);
+        g_error_free(error);
+
+        return -1;
+    }
+
+    agent_capability = capability;
+
+    agnet_interface = agent_org_bluez_agent1_skeleton_new ();
+
+    g_signal_connect (agnet_interface,
+                        "handle-release",
+                        G_CALLBACK (on_handle_Release),
+                        NULL);
+
+    g_signal_connect (agnet_interface,
+                        "handle-request-pin-code",
+                        G_CALLBACK (on_handle_RequestPinCode),
+                        NULL);
+
+    g_signal_connect (agnet_interface,
+                        "handle-display-pin-code",
+                        G_CALLBACK (on_handle_DisplayPinCode),
+                        NULL);
+
+    g_signal_connect (agnet_interface,
+                        "handle-request-passkey",
+                        G_CALLBACK (on_handle_RequestPasskey),
+                        NULL);
+
+    g_signal_connect (agnet_interface,
+                        "handle-display-passkey",
+                        G_CALLBACK (on_handle_DisplayPasskey),
+                        NULL);
+
+    g_signal_connect (agnet_interface,
+                        "handle-request-confirmation",
+                        G_CALLBACK (on_handle_RequestConfirmation),
+                        NULL);
+
+    g_signal_connect (agnet_interface,
+                        "handle-request-authorization",
+                        G_CALLBACK (on_handle_RequestAuthorization),
+                        NULL);
+
+    g_signal_connect (agnet_interface,
+                        "handle-authorize-service",
+                        G_CALLBACK (on_handle_AuthorizeService),
+                        NULL);
+
+    g_signal_connect (agnet_interface,
+                        "handle-cancel",
+                        G_CALLBACK (on_handle_Cancel),
+                        NULL);
+
+    ret = g_dbus_interface_skeleton_export (
+                                   G_DBUS_INTERFACE_SKELETON (agnet_interface),
+                                    system_conn,
+                                    AGENT_PATH,
+                                    &error);
+
+    if (FALSE == ret)
+    {
+        LOGE("errr:%s",error->message);
+        g_error_free(error);
+        g_object_unref(system_conn);
+
+        return -1;
+    }
+
+    value = g_dbus_connection_call_sync(system_conn, BLUEZ_SERVICE,
+                    AGENT_PATH,   AGENT_MANAGER_INTERFACE,
+                    "RegisterAgent",    g_variant_new("(os)", AGENT_PATH,
+                        agent_capability),
+                    NULL,  G_DBUS_CALL_FLAGS_NONE, DBUS_REPLY_TIMEOUT,
+                    NULL, &error);
+
+    if (NULL == value) {
+        LOGE ("RegisterAgent Err: %s", error->message);
+        g_error_free(error);
+
+        g_dbus_interface_skeleton_unexport(
+            G_DBUS_INTERFACE_SKELETON(agnet_interface));
+
+        g_object_unref(system_conn);
+        return -1;
+    }
+
+    g_variant_unref(value);
+
+    agent_capability = NULL;
+
+    agent_registered = TRUE;
+
+    return 0;
+}
+
+#ifdef AGENT_THREAD
+/*
+ * agent thread function
+ */
+static void *agent_event_loop_thread(const char *capability)
+{
+
+    agentLoop = g_main_loop_new(NULL, FALSE);
+    guint id;
+    GError *error = NULL;
+    gboolean ret;
+
+    ret = create_and_register_agent(capability);
+
+    if (0 == ret)
+    {
+        LOGD("g_main_loop_run\n");
+        g_main_loop_run(agentLoop);
+
+
+    }
+
+    g_main_loop_unref(agentLoop);
+    agentLoop = NULL;
+    LOGD("exit...\n");
+}
+#endif
+
+
+/* --- PUBLIC FUNCTIONS --- */
+
+
+/*
+ * start agent.
+ * Returns: 0 - success or other errors
+ */
+int agent_register(const char *capability)
+{
+    int ret = 0;
+    LOGD("\n");
+
+    if (agent_registered == TRUE) {
+        LOGD("Agent is already registered\n");
+        return -1;
+    }
+
+#ifdef AGENT_THREAD
+    pthread_t thread_id;
+    pthread_create(&thread_id, NULL, agent_event_loop_thread, capability);
+    pthread_setname_np(thread_id, "agent");
+
+#else
+    ret = create_and_register_agent(capability);
+#endif
+
+    return ret;
+}
+
+/*
+ * stop agent.
+ * Returns: 0 - success or other errors
+ */
+int stop_agent()
+{
+    GError *error = NULL;
+    GVariant *value;
+
+    LOGD("\n");
+
+    if (agent_registered == FALSE) {
+        LOGD("No agent is registered\n");
+        return -1;
+    }
+
+    value = g_dbus_connection_call_sync(system_conn, BLUEZ_SERVICE,
+                    AGENT_PATH,   AGENT_MANAGER_INTERFACE,
+                    "UnregisterAgent",    g_variant_new("(o)", AGENT_PATH  ),
+                    NULL,  G_DBUS_CALL_FLAGS_NONE, DBUS_REPLY_TIMEOUT,
+                    NULL, &error);
+
+    if (NULL == value) {
+        LOGE ("Error UnregisterAgent: %s", error->message);
+        g_error_free(error);
+
+        return -1;
+    }
+
+    g_dbus_interface_skeleton_unexport(
+        G_DBUS_INTERFACE_SKELETON(agnet_interface));
+
+    g_object_unref(agnet_interface);
+
+    g_object_unref(system_conn);
+
+    agent_registered = FALSE;
+
+    memset(&agent_RegisterCallback, 0, sizeof(Agent_RegisterCallback_t));
+
+#ifdef AGENT_THREAD
+    if(agentLoop){
+        g_main_loop_quit(agentLoop);
+    }
+#endif
+
+    return 0;
+}
+
+/*
+ * Register Agent Callback function
+ */
+void agent_API_register(const Agent_RegisterCallback_t* pstRegisterCallback)
+{
+    LOGD("\n");
+
+    if (NULL != pstRegisterCallback)
+    {
+        if (NULL != pstRegisterCallback->agent_Release)
+        {
+            agent_RegisterCallback.agent_Release =
+                pstRegisterCallback->agent_Release;
+        }
+
+        if (NULL != pstRegisterCallback->agent_RequestPinCode)
+        {
+            agent_RegisterCallback.agent_RequestPinCode =
+                pstRegisterCallback->agent_RequestPinCode;
+        }
+
+        if (NULL != pstRegisterCallback->agent_DisplayPinCode)
+        {
+            agent_RegisterCallback.agent_DisplayPinCode =
+                pstRegisterCallback->agent_DisplayPinCode;
+        }
+
+        if (NULL != pstRegisterCallback->agent_RequestPasskey)
+        {
+            agent_RegisterCallback.agent_RequestPasskey =
+                pstRegisterCallback->agent_RequestPasskey;
+        }
+
+        if (NULL != pstRegisterCallback->agent_DisplayPasskey)
+        {
+            agent_RegisterCallback.agent_DisplayPasskey =
+                pstRegisterCallback->agent_DisplayPasskey;
+        }
+
+        if (NULL != pstRegisterCallback->agent_RequestConfirmation)
+        {
+            agent_RegisterCallback.agent_RequestConfirmation =
+                pstRegisterCallback->agent_RequestConfirmation;
+        }
+
+        if (NULL != pstRegisterCallback->agent_RequestAuthorization)
+        {
+            agent_RegisterCallback.agent_RequestAuthorization =
+                pstRegisterCallback->agent_RequestAuthorization;
+        }
+
+        if (NULL != pstRegisterCallback->agent_AuthorizeService)
+        {
+            agent_RegisterCallback.agent_AuthorizeService =
+                pstRegisterCallback->agent_AuthorizeService;
+        }
+
+        if (NULL != pstRegisterCallback->agent_Cancel)
+        {
+            agent_RegisterCallback.agent_Cancel =
+                pstRegisterCallback->agent_Cancel;
+        }
+
+    }
+
+}
+
+/*
+ * Send the agent event "RequestConfirmation" reply
+ */
+int agent_send_confirmation(gboolean confirmation)
+{
+    if (NULL == agent_event)
+    {
+        LOGW("Not agent event");
+        return -1;
+    }
+    LOGD("%d-%d\n", confirmation, agent_event->type);
+
+    if (REQUEST_CONFIRMATION != agent_event->type)
+    {
+        return -1;
+    }
+
+    if (TRUE == confirmation){
+        agent_org_bluez_agent1_complete_request_confirmation(agent_event->object,
+                                                      agent_event->invocation);
+    }else{
+        g_dbus_method_invocation_return_dbus_error (agent_event->invocation,
+                                                    ERROR_BLUEZ_REJECT, "");
+    }
+
+    g_free(agent_event);
+    agent_event = NULL;
+    return 0;
+}
+/****************************** The End Of File ******************************/
+