client/services.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2012  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <stdint.h>
  25 #include <string.h>
  26 #include <unistd.h>
  27 #include <errno.h>
  28
  29 #include "client/services.h"
  30 #include "src/connman.h"
  31
  32 static void append_property_array(DBusMessageIter *iter, char *property,
  33                                                 char **data, int num_args)
  34 {
  35         DBusMessageIter value, array;
  36         int i;
  37
  38         dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING, &property);
  39
  40         connman_dbus_array_open(iter, &value);
  41         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
  42                                          DBUS_TYPE_STRING_AS_STRING, &array);
  43
  44         for (i = 0; i < num_args; i++) {
  45                 dbus_message_iter_append_basic(&array, DBUS_TYPE_STRING,
  46                                                 &data[i]);
  47                 printf("Added: %s\n", data[i]);
  48         }
  49         dbus_message_iter_close_container(&value, &array);
  50         dbus_message_iter_close_container(iter, &value);
  51 }
  52
  53 static void append_property_dict(DBusMessageIter *iter, char *property,
  54                                         char **keys, char **data, int num_args)
  55 {
  56         DBusMessageIter value, dict, entry, dict_key;
  57         int i;
  58         unsigned char prefix;
  59
  60         dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING, &property);
  61
  62         /* Top most level is a{sv} */
  63         connman_dbus_dict_open_variant(iter, &value);
  64
  65         connman_dbus_dict_open(&value, &dict);
  66
  67         for (i = 0; i < num_args; i++) {
  68                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
  69                                                         NULL, &entry);
  70                 dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING,
  71                                                         &keys[i]);
  72
  73                 if (strcmp(property, "IPv6.Configuration") == 0 &&
  74                                            g_strcmp0(keys[i], "PrefixLength")) {
  75                         if (data[i] == NULL) {
  76                                 fprintf(stderr, "No values entered!\n");
  77                                 exit(EXIT_FAILURE);
  78                         }
  79                         prefix = atoi(data[i]);
  80
  81                         dbus_message_iter_open_container(&entry,
  82                                                 DBUS_TYPE_VARIANT,
  83                                                 DBUS_TYPE_BYTE_AS_STRING,
  84                                                 &dict_key);
  85                         dbus_message_iter_append_basic(&dict_key,
  86                                                        DBUS_TYPE_BYTE, &prefix);
  87                 } else {
  88                         dbus_message_iter_open_container(&entry,
  89                                                  DBUS_TYPE_VARIANT,
  90                                                  DBUS_TYPE_STRING_AS_STRING,
  91                                                  &dict_key);
  92                         dbus_message_iter_append_basic(&dict_key,
  93                                                         DBUS_TYPE_STRING,
  94                                                         &data[i]);
  95                 }
  96                 dbus_message_iter_close_container(&entry, &dict_key);
  97                 dbus_message_iter_close_container(&dict, &entry);
  98         }
  99         /* Close {sv}, then close a{sv} */
 100         connman_dbus_dict_close(&value, &dict);
 101         connman_dbus_dict_close(iter, &value);
 102 }
 103
 104 void iterate_array(DBusMessageIter *iter)
 105 {
 106         DBusMessageIter array_item;
 107         dbus_bool_t key_bool;
 108         char *key_str;
 109
 110         dbus_message_iter_recurse(iter, &array_item);
 111         /* Make sure the entry is not NULL! */
 112         printf("[ ");
 113         while (dbus_message_iter_get_arg_type(&array_item) !=
 114                                         DBUS_TYPE_INVALID) {
 115                 if (dbus_message_iter_get_arg_type(&array_item) ==
 116                                         DBUS_TYPE_STRING) {
 117                         dbus_message_iter_get_basic(&array_item,
 118                                                 &key_str);
 119                         printf("%s ", key_str);
 120                 } else if (dbus_message_iter_get_arg_type(&array_item) ==
 121                                         DBUS_TYPE_BOOLEAN) {
 122                         dbus_message_iter_get_basic(&array_item, &key_bool);
 123                         printf("%s ", key_bool == TRUE ? "True"
 124                                                 : "False");
 125                 }
 126                 dbus_message_iter_next(&array_item);
 127         }
 128         if (dbus_message_iter_get_arg_type(&array_item) ==
 129                                         DBUS_TYPE_INVALID)
 130                 printf("] ");
 131 }
 132
 133 void iterate_dict(DBusMessageIter *dict, char *string, uint16_t key_int)
 134 {
 135         DBusMessageIter dict_entry, sub_dict_entry;
 136
 137         printf("{ ");
 138         while (dbus_message_iter_get_arg_type(dict) == DBUS_TYPE_DICT_ENTRY) {
 139                 dbus_message_iter_recurse(dict, &dict_entry);
 140                 dbus_message_iter_get_basic(&dict_entry, &string);
 141                 printf("%s=", string);
 142                 dbus_message_iter_next(&dict_entry);
 143                 while (dbus_message_iter_get_arg_type(&dict_entry)
 144                                                         != DBUS_TYPE_INVALID) {
 145                         dbus_message_iter_recurse(&dict_entry, &sub_dict_entry);
 146                         if (dbus_message_iter_get_arg_type(&sub_dict_entry)
 147                                                         == DBUS_TYPE_UINT16) {
 148                                 dbus_message_iter_get_basic(&sub_dict_entry,
 149                                                                 &key_int);
 150                                 printf("%d ", key_int);
 151                         } else if (dbus_message_iter_get_arg_type(&sub_dict_entry)
 152                                                         == DBUS_TYPE_STRING) {
 153                                 dbus_message_iter_get_basic(&sub_dict_entry,
 154                                                                 &string);
 155                                 printf("%s ", string);
 156                         } else if (dbus_message_iter_get_arg_type(&sub_dict_entry)
 157                                                         == DBUS_TYPE_ARRAY) {
 158                                 iterate_array(&sub_dict_entry);
 159                         }
 160                         dbus_message_iter_next(&dict_entry);
 161                 }
 162                 dbus_message_iter_next(dict);
 163         }
 164         printf("}");
 165 }
 166
 167 /* Get dictionary info about the current service and store it */
 168 static void extract_service_properties(DBusMessageIter *dict,
 169                                 struct service_data *service)
 170 {
 171         DBusMessageIter entry, value, array_item;
 172         char *key;
 173         char *key_str;
 174         uint16_t key_uint16;
 175         dbus_bool_t key_bool;
 176
 177         while (dbus_message_iter_get_arg_type(dict) == DBUS_TYPE_DICT_ENTRY) {
 178                 dbus_message_iter_recurse(dict, &entry);
 179                 dbus_message_iter_get_basic(&entry, &key);
 180                 printf("\n  %s = ", key);
 181                 if (strcmp(key, "Name") == 0 && strlen(key) < 5)
 182                         service->name = key;
 183
 184                 dbus_message_iter_next(&entry);
 185                 dbus_message_iter_recurse(&entry, &value);
 186                 /* Check if entry is a dictionary itself */
 187                 if (strcmp(key, "Ethernet") == 0 ||
 188                         /* if just strcmp, the .Configuration names don't match
 189                          * and they are iterated with iterate_array instead*/
 190                                 strncmp(key, "IPv4", 4) == 0 ||
 191                                 strncmp(key, "IPv6", 4) == 0 ||
 192                                 strncmp(key, "Proxy", 5) == 0 ||
 193                                 strcmp(key, "Provider") == 0) {
 194                         dbus_message_iter_recurse(&value, &array_item);
 195                         iterate_dict(&array_item, key_str, key_uint16);
 196                 } else
 197                 switch (dbus_message_iter_get_arg_type(&value)) {
 198                 case DBUS_TYPE_ARRAY:
 199                         iterate_array(&value);
 200                         break;
 201                 case DBUS_TYPE_BOOLEAN:
 202                         dbus_message_iter_get_basic(&value, &key_bool);
 203                         printf("%s", key_bool == TRUE ? "True" : "False");
 204                         break;
 205                 case DBUS_TYPE_BYTE:
 206                         dbus_message_iter_get_basic(&value, &key_uint16);
 207                         printf("%d", key_uint16);
 208                         break;
 209                 case DBUS_TYPE_STRING:
 210                         dbus_message_iter_get_basic(&value, &key_str);
 211                         printf("%s", key_str);
 212                         break;
 213                 }
 214                 dbus_message_iter_next(dict);
 215         }
 216         printf("\n\n");
 217 }
 218
 219 static void match_service_name(DBusMessage *message, char *service_name,
 220                                                 struct service_data *service)
 221 {
 222         DBusMessageIter iter, array;
 223
 224         dbus_message_iter_init(message, &iter);
 225         dbus_message_iter_recurse(&iter, &array);
 226
 227         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_STRUCT) {
 228                 DBusMessageIter entry, dict;
 229                 char *path;
 230
 231                 dbus_message_iter_recurse(&array, &entry);
 232                 dbus_message_iter_get_basic(&entry, &path);
 233
 234                 service->path = strip_service_path(path);
 235                 dbus_message_iter_next(&entry);
 236                 dbus_message_iter_recurse(&entry, &dict);
 237                 extract_service_name(&dict, service);
 238                 if (g_strcmp0(service_name, service->name) == 0) {
 239                         printf("    Matched %s with %s\n\n", service->name,
 240                                                                 service->path);
 241                         break;
 242                 }
 243                 dbus_message_iter_next(&array);
 244         }
 245 }
 246
 247 void extract_service_name(DBusMessageIter *dict, struct service_data *service)
 248 {
 249         DBusMessageIter dict_entry, value;
 250         const char *key;
 251         const char *state;
 252
 253         while (dbus_message_iter_get_arg_type(dict) == DBUS_TYPE_DICT_ENTRY) {
 254                 dbus_message_iter_recurse(dict, &dict_entry);
 255                 dbus_message_iter_get_basic(&dict_entry, &key);
 256                 if (strcmp(key, "Name") == 0) {
 257                         dbus_message_iter_next(&dict_entry);
 258                         dbus_message_iter_recurse(&dict_entry, &value);
 259                         dbus_message_iter_get_basic(&value, &service->name);
 260                 }
 261                 if (strcmp(key, "AutoConnect") == 0) {
 262                         dbus_message_iter_next(&dict_entry);
 263                         dbus_message_iter_recurse(&dict_entry, &value);
 264                         dbus_message_iter_get_basic(&value, &service->autoconn);
 265                 }
 266                 if (strcmp(key, "State") == 0) {
 267                         dbus_message_iter_next(&dict_entry);
 268                         dbus_message_iter_recurse(&dict_entry, &value);
 269                         dbus_message_iter_get_basic(&value, &state);
 270                         if (strcmp(state, "ready") == 0)
 271                                 service->connected = TRUE;
 272                         else if (strcmp(state, "online") == 0)
 273                                 service->online = TRUE;
 274                         else {
 275                                 service->connected = FALSE;
 276                                 service->online = FALSE;
 277                         }
 278                 }
 279                 if (strcmp(key, "Favorite") == 0) {
 280                         dbus_message_iter_next(&dict_entry);
 281                         dbus_message_iter_recurse(&dict_entry, &value);
 282                         dbus_message_iter_get_basic(&value, &service->favorite);
 283                 }
 284                 dbus_message_iter_next(dict);
 285         }
 286 }
 287
 288 /* Show detailed information about a service */
 289 void extract_services(DBusMessage *message, char *service_name)
 290 {
 291         DBusMessageIter iter, array;
 292
 293         dbus_message_iter_init(message, &iter);
 294         dbus_message_iter_recurse(&iter, &array);
 295
 296         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_STRUCT) {
 297                 DBusMessageIter entry, dict;
 298                 struct service_data service;
 299                 char *path;
 300
 301                 dbus_message_iter_recurse(&array, &entry);
 302                 dbus_message_iter_get_basic(&entry, &path);
 303
 304                 service.path = strip_service_path(path);
 305                 if (g_strcmp0(service.path, service_name) == 0) {
 306                         printf("[ %s ]\n", service.path);
 307                         dbus_message_iter_next(&entry);
 308                         dbus_message_iter_recurse(&entry, &dict);
 309                         extract_service_properties(&dict, &service);
 310                 }
 311                 dbus_message_iter_next(&array);
 312         }
 313 }
 314
 315 /* Support both string names and path names for connecting to services */
 316 char *strip_service_path(char *service)
 317 {
 318         char *service_name;
 319         service_name = strrchr(service, '/');
 320         if (service_name == NULL)
 321                 return service;
 322         else
 323                 return service_name + 1;
 324 }
 325
 326 /* Show a simple list of service names only */
 327 void get_services(DBusMessage *message)
 328 {
 329         DBusMessageIter iter, array;
 330
 331         dbus_message_iter_init(message, &iter);
 332         dbus_message_iter_recurse(&iter, &array);
 333
 334         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_STRUCT) {
 335                 DBusMessageIter entry, dict;
 336                 struct service_data service;
 337                 char *path;
 338
 339                 dbus_message_iter_recurse(&array, &entry);
 340                 dbus_message_iter_get_basic(&entry, &path);
 341
 342                 service.path = strip_service_path(path);
 343                 dbus_message_iter_next(&entry);
 344                 dbus_message_iter_recurse(&entry, &dict);
 345                 extract_service_name(&dict, &service);
 346                 printf("%-1s%-1s%-1s %-20s { %s }\n",
 347                         service.favorite ? "*" : "",
 348                         service.autoconn ? "A" : "",
 349                         service.online ? "O" : (service.connected ? "R" : ""),
 350                         service.name, service.path);
 351                 dbus_message_iter_next(&array);
 352         }
 353 }
 354
 355 const char *find_service(DBusConnection *connection, DBusMessage *message,
 356                           char *service_name, struct service_data *service)
 357 {
 358         DBusMessageIter iter, array, entry;
 359         char *path;
 360
 361         service_name = strip_service_path(service_name);
 362         match_service_name(message, service_name, service);
 363         /* Service name did not match, so check if entry is a path */
 364         if (g_strcmp0(service_name, service->name)) {
 365                 dbus_message_iter_init(message, &iter);
 366                 dbus_message_iter_recurse(&iter, &array);
 367
 368                 while (dbus_message_iter_get_arg_type(&array) ==
 369                                                         DBUS_TYPE_STRUCT) {
 370                         dbus_message_iter_recurse(&array, &entry);
 371                         dbus_message_iter_get_basic(&entry, &path);
 372
 373                         service->path = strip_service_path(path);
 374                         if (g_strcmp0(service->path, service_name) == 0)
 375                                 return service->path;
 376                         dbus_message_iter_next(&array);
 377                 }
 378                 fprintf(stderr, "'%s' is not a valid service name or path.\n",
 379                                                                 service_name);
 380                 fprintf(stderr, "Use the 'services' command to find available "
 381                                                         "services.\n");
 382                 return NULL;
 383         } else
 384                 return service->path;
 385 }
 386
 387 int set_proxy_manual(DBusConnection *connection, DBusMessage *message,
 388                                 char *name, char **servers, char **excludes,
 389                                 int num_servers, int num_excludes)
 390 {
 391         DBusMessage *message_send;
 392         DBusMessageIter iter, value, dict, entry, data;
 393         struct service_data service;
 394         char *path;
 395         const char *path_name;
 396         char *property = "Proxy.Configuration";
 397         char *method = "Method";
 398         char *manual = "manual";
 399
 400         path_name = find_service(connection, message, name, &service);
 401         if (path_name == NULL)
 402                 return -ENXIO;
 403
 404         path = g_strdup_printf("/net/connman/service/%s", path_name);
 405         message_send = dbus_message_new_method_call("net.connman", path,
 406                                                         "net.connman.Service",
 407                                                         "SetProperty");
 408
 409         if (message_send == NULL)
 410                 return -ENOMEM;
 411
 412         dbus_message_iter_init_append(message_send, &iter);
 413         dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &property);
 414         connman_dbus_dict_open_variant(&iter, &value);
 415         connman_dbus_dict_open(&value, &dict);
 416         dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY, NULL,
 417                                                         &entry);
 418         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &method);
 419         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 420                                                 DBUS_TYPE_STRING_AS_STRING,
 421                                                 &data);
 422         dbus_message_iter_append_basic(&data, DBUS_TYPE_STRING, &manual);
 423         dbus_message_iter_close_container(&entry, &data);
 424         dbus_message_iter_close_container(&dict, &entry);
 425         dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY, NULL,
 426                                                         &entry);
 427         append_property_array(&entry, "Servers", servers, num_servers);
 428         dbus_message_iter_close_container(&dict, &entry);
 429
 430         if (num_excludes != 0) {
 431                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 432                                                         NULL, &entry);
 433                 append_property_array(&entry, "Excludes", excludes,
 434                                                         num_excludes);
 435                 dbus_message_iter_close_container(&dict, &entry);
 436         }
 437
 438         dbus_message_iter_close_container(&value, &dict);
 439         dbus_message_iter_close_container(&iter, &value);
 440         dbus_connection_send(connection, message_send, NULL);
 441         dbus_connection_flush(connection);
 442         dbus_message_unref(message_send);
 443
 444         return 0;
 445 }
 446
 447 int set_service_property(DBusConnection *connection, DBusMessage *message,
 448                                 char *name, char *property, char **keys,
 449                                 void *data, int num_args)
 450 {
 451         DBusMessage *message_send;
 452         DBusMessageIter iter;
 453         struct service_data service;
 454         char *path;
 455         const char *path_name;
 456
 457         path_name = find_service(connection, message, name, &service);
 458         if (path_name == NULL)
 459                 return -ENXIO;
 460
 461         path = g_strdup_printf("/net/connman/service/%s", path_name);
 462         message_send = dbus_message_new_method_call("net.connman", path,
 463                                                         "net.connman.Service",
 464                                                         "SetProperty");
 465
 466         if (message_send == NULL)
 467                 return -ENOMEM;
 468
 469         dbus_message_iter_init_append(message_send, &iter);
 470
 471         if (strcmp(property, "AutoConnect") == 0)
 472                 connman_dbus_property_append_basic(&iter,
 473                                                 (const char *) property,
 474                                                 DBUS_TYPE_BOOLEAN, data);
 475         else if ((strcmp(property, "Domains.Configuration") == 0)
 476                         || (strcmp(property, "Timeservers.Configuration") == 0)
 477                         || (strcmp(property, "Nameservers.Configuration") == 0))
 478                 append_property_array(&iter, property, data, num_args);
 479         else if ((strcmp(property, "IPv4.Configuration") == 0)
 480                         || (strcmp(property, "IPv6.Configuration") == 0)
 481                         || (strcmp(property, "Proxy.Configuration") == 0))
 482                 append_property_dict(&iter, property, keys, data, num_args);
 483
 484         dbus_connection_send(connection, message_send, NULL);
 485         dbus_connection_flush(connection);
 486         dbus_message_unref(message_send);
 487         g_free(path);
 488
 489         return 0;
 490 }