obexd/client/manager.c

   1 /*
   2  *
   3  *  OBEX Client
   4  *
   5  *  Copyright (C) 2007-2010  Marcel Holtmann <marcel@holtmann.org>
   6  *
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  21  *
  22  */
  23
  24 #ifdef HAVE_CONFIG_H
  25 #include <config.h>
  26 #endif
  27
  28 #include <stdio.h>
  29 #include <stdlib.h>
  30 #include <string.h>
  31 #include <signal.h>
  32 #include <syslog.h>
  33
  34 #include <glib.h>
  35
  36 #include "gdbus/gdbus.h"
  37
  38 #include "obexd/src/log.h"
  39 #include "obexd/src/manager.h"
  40 #include "transfer.h"
  41 #include "session.h"
  42 #include "bluetooth.h"
  43 #include "opp.h"
  44 #include "ftp.h"
  45 #include "pbap.h"
  46 #include "sync.h"
  47 #include "map.h"
  48 #include "manager.h"
  49 #ifdef __TIZEN_PATCH__
  50 #include "mns-tizen.h"
  51 #endif
  52 #define CLIENT_INTERFACE        "org.bluez.obex.Client1"
  53 #define ERROR_INTERFACE         "org.bluez.obex.Error"
  54 #define CLIENT_PATH             "/org/bluez/obex"
  55
  56 struct send_data {
  57         DBusConnection *connection;
  58         DBusMessage *message;
  59 };
  60
  61 static GSList *sessions = NULL;
  62
  63 static void shutdown_session(struct obc_session *session)
  64 {
  65         obc_session_shutdown(session);
  66         obc_session_unref(session);
  67 }
  68
  69 #ifdef __TIZEN_PATCH__
  70 void release_session(struct obc_session *session)
  71 {
  72         DBG("+");
  73         sessions = g_slist_remove(sessions, session);
  74         shutdown_session(session);
  75         DBG("-");
  76 }
  77 #else
  78 static void release_session(struct obc_session *session)
  79 {
  80         sessions = g_slist_remove(sessions, session);
  81         shutdown_session(session);
  82 }
  83 #endif
  84
  85 static void unregister_session(void *data)
  86 {
  87         struct obc_session *session = data;
  88
  89         if (g_slist_find(sessions, session) == NULL)
  90                 return;
  91
  92         sessions = g_slist_remove(sessions, session);
  93         obc_session_unref(session);
  94 }
  95
  96 static void create_callback(struct obc_session *session,
  97                                                 struct obc_transfer *transfer,
  98                                                 GError *err, void *user_data)
  99 {
 100         struct send_data *data = user_data;
 101         const char *path;
 102
 103         if (err != NULL) {
 104                 DBusMessage *error = g_dbus_create_error(data->message,
 105                                         ERROR_INTERFACE ".Failed",
 106                                         "%s", err->message);
 107                 g_dbus_send_message(data->connection, error);
 108                 shutdown_session(session);
 109                 goto done;
 110         }
 111
 112
 113         path = obc_session_register(session, unregister_session);
 114         if (path == NULL) {
 115                 DBusMessage *error = g_dbus_create_error(data->message,
 116                                         ERROR_INTERFACE ".Failed",
 117                                         NULL);
 118                 g_dbus_send_message(data->connection, error);
 119                 shutdown_session(session);
 120                 goto done;
 121         }
 122
 123         sessions = g_slist_append(sessions, session);
 124         g_dbus_send_reply(data->connection, data->message,
 125                                 DBUS_TYPE_OBJECT_PATH, &path,
 126                                 DBUS_TYPE_INVALID);
 127
 128 done:
 129         dbus_message_unref(data->message);
 130         dbus_connection_unref(data->connection);
 131         g_free(data);
 132 }
 133
 134 static int parse_device_dict(DBusMessageIter *iter,
 135                 const char **source, const char **target, uint8_t *channel)
 136 {
 137         while (dbus_message_iter_get_arg_type(iter) == DBUS_TYPE_DICT_ENTRY) {
 138                 DBusMessageIter entry, value;
 139                 const char *key;
 140
 141                 dbus_message_iter_recurse(iter, &entry);
 142                 dbus_message_iter_get_basic(&entry, &key);
 143
 144                 dbus_message_iter_next(&entry);
 145                 dbus_message_iter_recurse(&entry, &value);
 146
 147                 switch (dbus_message_iter_get_arg_type(&value)) {
 148                 case DBUS_TYPE_STRING:
 149                         if (g_str_equal(key, "Source") == TRUE)
 150                                 dbus_message_iter_get_basic(&value, source);
 151                         else if (g_str_equal(key, "Target") == TRUE)
 152                                 dbus_message_iter_get_basic(&value, target);
 153                         break;
 154                 case DBUS_TYPE_BYTE:
 155                         if (g_str_equal(key, "Channel") == TRUE)
 156                                 dbus_message_iter_get_basic(&value, channel);
 157                         break;
 158                 }
 159
 160                 dbus_message_iter_next(iter);
 161         }
 162
 163         return 0;
 164 }
 165
 166 static struct obc_session *find_session(const char *path)
 167 {
 168         GSList *l;
 169 #ifdef __TIZEN_PATCH__
 170         if(!path)
 171                 return NULL;
 172 #endif
 173         for (l = sessions; l; l = l->next) {
 174                 struct obc_session *session = l->data;
 175
 176                 if (g_strcmp0(obc_session_get_path(session), path) == 0)
 177                         return session;
 178         }
 179
 180         return NULL;
 181 }
 182
 183 static DBusMessage *create_session(DBusConnection *connection,
 184                                         DBusMessage *message, void *user_data)
 185 {
 186         DBusMessageIter iter, dict;
 187         struct obc_session *session;
 188         struct send_data *data;
 189         const char *source = NULL, *dest = NULL, *target = NULL;
 190         uint8_t channel = 0;
 191
 192         dbus_message_iter_init(message, &iter);
 193         if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
 194                 return g_dbus_create_error(message,
 195                                 ERROR_INTERFACE ".InvalidArguments", NULL);
 196
 197         dbus_message_iter_get_basic(&iter, &dest);
 198         dbus_message_iter_next(&iter);
 199
 200         if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY)
 201                 return g_dbus_create_error(message,
 202                                 ERROR_INTERFACE ".InvalidArguments", NULL);
 203
 204         dbus_message_iter_recurse(&iter, &dict);
 205
 206         parse_device_dict(&dict, &source, &target, &channel);
 207         if (dest == NULL || target == NULL)
 208                 return g_dbus_create_error(message,
 209                                 ERROR_INTERFACE ".InvalidArguments", NULL);
 210
 211         data = g_try_malloc0(sizeof(*data));
 212         if (data == NULL)
 213                 return g_dbus_create_error(message,
 214                                 ERROR_INTERFACE ".Error.NoMemory", NULL);
 215
 216         data->connection = dbus_connection_ref(connection);
 217         data->message = dbus_message_ref(message);
 218
 219         session = obc_session_create(source, dest, target, channel,
 220                                         dbus_message_get_sender(message),
 221                                         create_callback, data);
 222         if (session != NULL) {
 223                 return NULL;
 224         }
 225
 226         dbus_message_unref(data->message);
 227         dbus_connection_unref(data->connection);
 228         g_free(data);
 229
 230         return g_dbus_create_error(message, ERROR_INTERFACE ".Failed", NULL);
 231 }
 232
 233 static DBusMessage *remove_session(DBusConnection *connection,
 234                                 DBusMessage *message, void *user_data)
 235 {
 236         struct obc_session *session;
 237         const char *sender, *path;
 238
 239         if (dbus_message_get_args(message, NULL,
 240                         DBUS_TYPE_OBJECT_PATH, &path,
 241                         DBUS_TYPE_INVALID) == FALSE)
 242                 return g_dbus_create_error(message,
 243                                 ERROR_INTERFACE ".InvalidArguments", NULL);
 244
 245         session = find_session(path);
 246         if (session == NULL)
 247                 return g_dbus_create_error(message,
 248                                 ERROR_INTERFACE ".InvalidArguments", NULL);
 249
 250         sender = dbus_message_get_sender(message);
 251         if (g_str_equal(sender, obc_session_get_owner(session)) == FALSE)
 252                 return g_dbus_create_error(message,
 253                                 ERROR_INTERFACE ".NotAuthorized",
 254                                 "Not Authorized");
 255
 256         release_session(session);
 257
 258         return dbus_message_new_method_return(message);
 259 }
 260
 261 static const GDBusMethodTable client_methods[] = {
 262         { GDBUS_ASYNC_METHOD("CreateSession",
 263                         GDBUS_ARGS({ "destination", "s" }, { "args", "a{sv}" }),
 264                         GDBUS_ARGS({ "session", "o" }), create_session) },
 265         { GDBUS_ASYNC_METHOD("RemoveSession",
 266                         GDBUS_ARGS({ "session", "o" }), NULL, remove_session) },
 267         { }
 268 };
 269
 270 static DBusConnection *conn = NULL;
 271
 272 static struct obc_module {
 273         const char *name;
 274         int (*init) (void);
 275         void (*exit) (void);
 276 } modules[] = {
 277         { "bluetooth", bluetooth_init, bluetooth_exit },
 278         { "opp", opp_init, opp_exit },
 279         { "ftp", ftp_init, ftp_exit },
 280         { "pbap", pbap_init, pbap_exit },
 281         { "sync", sync_init, sync_exit },
 282         { "map", map_init, map_exit },
 283 #ifdef __TIZEN_PATCH__
 284         { "mns", mns_init, mns_exit },
 285 #endif
 286         { }
 287 };
 288
 289 int client_manager_init(void)
 290 {
 291         DBusError derr;
 292         struct obc_module *module;
 293
 294         dbus_error_init(&derr);
 295
 296         conn = manager_dbus_get_connection();
 297         if (conn == NULL) {
 298                 error("Can't get client D-Bus connection");
 299                 return -1;
 300         }
 301
 302         if (g_dbus_register_interface(conn, CLIENT_PATH, CLIENT_INTERFACE,
 303                                                 client_methods, NULL, NULL,
 304                                                         NULL, NULL) == FALSE) {
 305                 error("Can't register client interface");
 306                 dbus_connection_unref(conn);
 307                 conn = NULL;
 308                 return -1;
 309         }
 310
 311         for (module = modules; module && module->init; module++) {
 312                 if (module->init() < 0)
 313                         continue;
 314
 315                 DBG("Module %s loaded", module->name);
 316         }
 317
 318         return 0;
 319 }
 320
 321 void client_manager_exit(void)
 322 {
 323         struct obc_module *module;
 324
 325         if (conn == NULL)
 326                 return;
 327
 328         for (module = modules; module && module->exit; module++)
 329                 module->exit();
 330
 331         g_dbus_unregister_interface(conn, CLIENT_PATH, CLIENT_INTERFACE);
 332
 333         dbus_connection_unref(conn);
 334 }