| /* |
| * |
| * Connection Manager |
| * |
| * Copyright (C) 2007-2009 Intel Corporation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| * |
| */ |
| |
| #ifdef HAVE_CONFIG_H |
| #include <config.h> |
| #endif |
| |
| #include <errno.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include <gdbus.h> |
| |
| #include "connman.h" |
| |
| #define _DBG_AGENT(fmt, arg...) DBG(DBG_AGENT, fmt, ## arg) |
| |
| struct connman_agent { |
| guint watch; |
| gchar *path; |
| gchar *sender; |
| }; |
| |
| static DBusConnection *connection = NULL; |
| static struct connman_agent *agent = NULL; |
| |
| static void agent_free(struct connman_agent *a) |
| { |
| g_free(a->sender); |
| g_free(a->path); |
| g_free(a); |
| |
| if (a == agent) |
| agent = NULL; |
| } |
| |
| static void agent_disconnect(DBusConnection *connection, void *data) |
| { |
| struct connman_agent *agent = data; |
| |
| _DBG_AGENT("agent %p", agent); |
| |
| agent_free(agent); |
| } |
| |
| int __connman_agent_register(const char *sender, const char *path) |
| { |
| _DBG_AGENT("sender %s path %s", sender, path); |
| |
| if (agent != NULL) { |
| return -EEXIST; |
| } |
| |
| agent = g_try_new0(struct connman_agent, 1); |
| if (agent == NULL) { |
| return -ENOMEM; |
| } |
| |
| agent->sender = g_strdup(sender); |
| agent->path = g_strdup(path); |
| |
| agent->watch = g_dbus_add_disconnect_watch(connection, sender, |
| agent_disconnect, agent, NULL); |
| return 0; |
| } |
| |
| static void __connman_agent_release(struct connman_agent *agent) |
| { |
| DBusMessage *message; |
| |
| _DBG_AGENT("sender %s path %s", agent->sender, agent->path); |
| |
| message = dbus_message_new_method_call(agent->sender, agent->path, |
| CONNMAN_AGENT_INTERFACE, "Release"); |
| if (message != NULL) { |
| dbus_message_set_no_reply(message, TRUE); |
| g_dbus_send_message(connection, message); |
| } |
| } |
| |
| int __connman_agent_unregister(const char *sender, const char *path) |
| { |
| _DBG_AGENT("sender %s path %s", sender, path); |
| |
| /* TODO(sleffler) verify sender+path match */ |
| |
| __connman_agent_release(agent); |
| |
| if (agent->watch > 0) |
| g_dbus_remove_watch(connection, agent->watch); |
| agent_free(agent); |
| |
| return 0; |
| } |
| |
| struct request_input_reply { |
| struct connman_service *service; |
| connman_agent_cb_t callback; |
| void *user_data; |
| }; |
| |
| static void request_input_reply(DBusPendingCall *call, void *user_data) |
| { |
| struct request_input_reply *request_reply = user_data; |
| DBusMessage *reply = dbus_pending_call_steal_reply(call); |
| |
| if (dbus_message_get_type(reply) != DBUS_MESSAGE_TYPE_ERROR) { |
| DBusMessageIter iter, dict; |
| |
| dbus_message_iter_init(reply, &iter); |
| dbus_message_iter_recurse(&iter, &dict); |
| |
| _DBG_AGENT("service %p user_data %p", |
| request_reply->service, request_reply->user_data); |
| |
| request_reply->callback(request_reply->service, |
| request_reply->user_data, |
| &dict); |
| } else { |
| _DBG_AGENT("ERROR %s, service %p user_data %p", |
| dbus_message_get_error_name(reply), |
| request_reply->service, request_reply->user_data); |
| |
| request_reply->callback(request_reply->service, |
| request_reply->user_data, |
| NULL); |
| } |
| connman_service_unref(request_reply->service); |
| dbus_message_unref(reply); |
| g_free(request_reply); |
| } |
| |
| int __connman_agent_request_input(struct connman_service *service, |
| const char *params[], connman_agent_cb_t callback, void *user_data) |
| { |
| DBusMessage *message; |
| const char *path; |
| DBusMessageIter iter; |
| DBusMessageIter dict; |
| DBusPendingCall *call; |
| struct request_input_reply *request_reply; |
| const char *key, *value; |
| int i; |
| |
| _DBG_AGENT("agent %p service %p callback %p user_data %p", |
| agent, service, callback, user_data); |
| |
| if (agent == NULL) { |
| connman_error("%s: no agent registered", __func__); |
| return -EINVAL; |
| } |
| |
| message = dbus_message_new_method_call(agent->sender, agent->path, |
| CONNMAN_AGENT_INTERFACE, |
| "RequestInput"); |
| if (message == NULL) { |
| connman_error("%s: no memory", __func__); |
| return -ENOMEM; |
| } |
| |
| dbus_message_iter_init_append(message, &iter); |
| |
| path = __connman_service_get_path(service); |
| dbus_message_iter_append_basic(&iter, |
| DBUS_TYPE_OBJECT_PATH, &path); |
| |
| connman_dbus_dict_open(&iter, &dict); |
| for (i = 0; (key = params[i]) != NULL; i += 2) { |
| value = params[i+1]; |
| if (value == NULL) |
| value = ""; |
| _DBG_AGENT("key %s value %s", key, |
| connman_log_get_masked_value(key, value)); |
| connman_dbus_dict_append_basic(&dict, key, |
| DBUS_TYPE_STRING, &value); |
| } |
| connman_dbus_dict_close(&iter, &dict); |
| |
| request_reply = g_try_new0(struct request_input_reply, 1); |
| if (request_reply == NULL) { |
| dbus_message_unref(message); |
| return -ENOMEM; |
| } |
| |
| /* TODO(sleffler) deal with timeouts */ |
| if (dbus_connection_send_with_reply(connection, message, |
| &call, DBUS_TIMEOUT_INFINITE) == FALSE) { |
| dbus_message_unref(message); |
| g_free(request_reply); |
| return -ESRCH; |
| } |
| |
| if (call == NULL) { |
| dbus_message_unref(message); |
| g_free(request_reply); |
| return -ESRCH; |
| } |
| |
| _DBG_AGENT("setup notify, reply %p", request_reply); |
| |
| request_reply->service = connman_service_ref(service); |
| request_reply->callback = callback; |
| request_reply->user_data = user_data; |
| |
| dbus_pending_call_set_notify(call, request_input_reply, |
| request_reply, NULL); |
| |
| dbus_message_unref(message); |
| |
| return 0; |
| } |
| |
| int __connman_agent_init(void) |
| { |
| _DBG_AGENT(""); |
| |
| connection = connman_dbus_get_connection(); |
| return (connection == NULL ? -1 : 0); |
| } |
| |
| void __connman_agent_cleanup(void) |
| { |
| _DBG_AGENT("agent %p", agent); |
| |
| if (agent != NULL) |
| __connman_agent_unregister(agent->sender, agent->path); |
| if (connection != NULL) |
| dbus_connection_unref(connection); |
| } |