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 as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  20  *
  21  */
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include <config.h>
  25 #endif
  26
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29 #include <stdint.h>
  30 #include <string.h>
  31 #include <unistd.h>
  32 #include <errno.h>
  33
  34 #include "client/services.h"
  35 #include "src/connman.h"
  36
  37 static void append_property_array(DBusMessageIter *iter, char *property,
  38                                                 char **data, int num_args)
  39 {
  40         DBusMessageIter value, array;
  41         int i;
  42
  43         dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING, &property);
  44
  45         connman_dbus_array_open(iter, &value);
  46         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
  47                                          DBUS_TYPE_STRING_AS_STRING, &array);
  48
  49         for (i = 0; i < num_args; i++) {
  50                 dbus_message_iter_append_basic(&array, DBUS_TYPE_STRING,
  51                                                 &data[i]);
  52                 printf("Added: %s\n", data[i]);
  53         }
  54         dbus_message_iter_close_container(&value, &array);
  55         dbus_message_iter_close_container(iter, &value);
  56 }
  57
  58 static void append_property_dict(DBusMessageIter *iter, char *property,
  59                                         char **keys, char **data, int num_args)
  60 {
  61         DBusMessageIter value, dict, entry, dict_key;
  62         int i;
  63         unsigned char prefix;
  64
  65         dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING, &property);
  66
  67         /* Top most level is a{sv} */
  68         connman_dbus_dict_open_variant(iter, &value);
  69
  70         connman_dbus_dict_open(&value, &dict);
  71
  72         for (i = 0; i < num_args; i++) {
  73                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
  74                                                         NULL, &entry);
  75                 dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING,
  76                                                         &keys[i]);
  77
  78                 if (strcmp(property, "IPv6.Configuration") == 0 &&
  79                                            g_strcmp0(keys[i], "PrefixLength")) {
  80                         if (data[i] == NULL) {
  81                                 fprintf(stderr, "No values entered!\n");
  82                                 exit(EXIT_FAILURE);
  83                         }
  84                         prefix = atoi(data[i]);
  85
  86                         dbus_message_iter_open_container(&entry,
  87                                                 DBUS_TYPE_VARIANT,
  88                                                 DBUS_TYPE_BYTE_AS_STRING,
  89                                                 &dict_key);
  90                         dbus_message_iter_append_basic(&dict_key,
  91                                                        DBUS_TYPE_BYTE, &prefix);
  92                 } else {
  93                         dbus_message_iter_open_container(&entry,
  94                                                  DBUS_TYPE_VARIANT,
  95                                                  DBUS_TYPE_STRING_AS_STRING,
  96                                                  &dict_key);
  97                         dbus_message_iter_append_basic(&dict_key,
  98                                                         DBUS_TYPE_STRING,
  99                                                         &data[i]);
 100                 }
 101                 dbus_message_iter_close_container(&entry, &dict_key);
 102                 dbus_message_iter_close_container(&dict, &entry);
 103         }
 104         /* Close {sv}, then close a{sv} */
 105         connman_dbus_dict_close(&value, &dict);
 106         connman_dbus_dict_close(iter, &value);
 107 }
 108
 109 void iterate_array(DBusMessageIter *iter)
 110 {
 111         DBusMessageIter array_item;
 112         dbus_bool_t key_bool;
 113         char *key_str;
 114
 115         dbus_message_iter_recurse(iter, &array_item);
 116         /* Make sure the entry is not NULL! */
 117         printf("[ ");
 118         while (dbus_message_iter_get_arg_type(&array_item) !=
 119                                         DBUS_TYPE_INVALID) {
 120                 if (dbus_message_iter_get_arg_type(&array_item) ==
 121                                         DBUS_TYPE_STRING) {
 122                         dbus_message_iter_get_basic(&array_item,
 123                                                 &key_str);
 124                         printf("%s ", key_str);
 125                 } else if (dbus_message_iter_get_arg_type(&array_item) ==
 126                                         DBUS_TYPE_BOOLEAN) {
 127                         dbus_message_iter_get_basic(&array_item, &key_bool);
 128                         printf("%s ", key_bool == TRUE ? "True"
 129                                                 : "False");
 130                 }
 131                 dbus_message_iter_next(&array_item);
 132         }
 133         if (dbus_message_iter_get_arg_type(&array_item) ==
 134                                         DBUS_TYPE_INVALID)
 135                 printf("] ");
 136 }
 137
 138 void iterate_dict(DBusMessageIter *dict, char *string, uint16_t key_int)
 139 {
 140         DBusMessageIter dict_entry, sub_dict_entry;
 141
 142         printf("{ ");
 143         while (dbus_message_iter_get_arg_type(dict) == DBUS_TYPE_DICT_ENTRY) {
 144                 dbus_message_iter_recurse(dict, &dict_entry);
 145                 dbus_message_iter_get_basic(&dict_entry, &string);
 146                 printf("%s=", string);
 147                 dbus_message_iter_next(&dict_entry);
 148                 while (dbus_message_iter_get_arg_type(&dict_entry)
 149                                                         != DBUS_TYPE_INVALID) {
 150                         dbus_message_iter_recurse(&dict_entry, &sub_dict_entry);
 151                         if (dbus_message_iter_get_arg_type(&sub_dict_entry)
 152                                                         == DBUS_TYPE_UINT16) {
 153                                 dbus_message_iter_get_basic(&sub_dict_entry,
 154                                                                 &key_int);
 155                                 printf("%d ", key_int);
 156                         } else if (dbus_message_iter_get_arg_type(&sub_dict_entry)
 157                                                         == DBUS_TYPE_STRING) {
 158                                 dbus_message_iter_get_basic(&sub_dict_entry,
 159                                                                 &string);
 160                                 printf("%s ", string);
 161                         } else if (dbus_message_iter_get_arg_type(&sub_dict_entry)
 162                                                         == DBUS_TYPE_ARRAY) {
 163                                 iterate_array(&sub_dict_entry);
 164                         }
 165                         dbus_message_iter_next(&dict_entry);
 166                 }
 167                 dbus_message_iter_next(dict);
 168         }
 169         printf("}");
 170 }
 171
 172 /* Get dictionary info about the current service and store it */
 173 static void extract_service_properties(DBusMessageIter *dict,
 174                                 struct service_data *service)
 175 {
 176         DBusMessageIter entry, value, array_item;
 177         char *key;
 178         char *key_str;
 179         uint16_t key_uint16;
 180         dbus_bool_t key_bool;
 181
 182         while (dbus_message_iter_get_arg_type(dict) == DBUS_TYPE_DICT_ENTRY) {
 183                 dbus_message_iter_recurse(dict, &entry);
 184                 dbus_message_iter_get_basic(&entry, &key);
 185                 printf("\n  %s = ", key);
 186                 if (strcmp(key, "Name") == 0 && strlen(key) < 5)
 187                         service->name = key;
 188
 189                 dbus_message_iter_next(&entry);
 190                 dbus_message_iter_recurse(&entry, &value);
 191                 /* Check if entry is a dictionary itself */
 192                 if (strcmp(key, "Ethernet") == 0 ||
 193                         /* if just strcmp, the .Configuration names don't match
 194                          * and they are iterated with iterate_array instead*/
 195                                 strncmp(key, "IPv4", 4) == 0 ||
 196                                 strncmp(key, "IPv6", 4) == 0 ||
 197                                 strncmp(key, "Proxy", 5) == 0 ||
 198                                 strcmp(key, "Provider") == 0) {
 199                         dbus_message_iter_recurse(&value, &array_item);
 200                         iterate_dict(&array_item, key_str, key_uint16);
 201                 } else
 202                 switch (dbus_message_iter_get_arg_type(&value)) {
 203                 case DBUS_TYPE_ARRAY:
 204                         iterate_array(&value);
 205                         break;
 206                 case DBUS_TYPE_BOOLEAN:
 207                         dbus_message_iter_get_basic(&value, &key_bool);
 208                         printf("%s", key_bool == TRUE ? "True" : "False");
 209                         break;
 210                 case DBUS_TYPE_BYTE:
 211                         dbus_message_iter_get_basic(&value, &key_uint16);
 212                         printf("%d", key_uint16);
 213                         break;
 214                 case DBUS_TYPE_STRING:
 215                         dbus_message_iter_get_basic(&value, &key_str);
 216                         printf("%s", key_str);
 217                         break;
 218                 }
 219                 dbus_message_iter_next(dict);
 220         }
 221         printf("\n\n");
 222 }
 223
 224 static void match_service_name(DBusMessage *message, char *service_name,
 225                                                 struct service_data *service)
 226 {
 227         DBusMessageIter iter, array;
 228
 229         dbus_message_iter_init(message, &iter);
 230         dbus_message_iter_recurse(&iter, &array);
 231
 232         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_STRUCT) {
 233                 DBusMessageIter entry, dict;
 234                 char *path;
 235
 236                 dbus_message_iter_recurse(&array, &entry);
 237                 dbus_message_iter_get_basic(&entry, &path);
 238
 239                 service->path = strip_service_path(path);
 240                 dbus_message_iter_next(&entry);
 241                 dbus_message_iter_recurse(&entry, &dict);
 242                 extract_service_name(&dict, service);
 243                 if (g_strcmp0(service_name, service->name) == 0) {
 244                         printf("    Matched %s with %s\n\n", service->name,
 245                                                                 service->path);
 246                         break;
 247                 }
 248                 dbus_message_iter_next(&array);
 249         }
 250 }
 251
 252 void extract_service_name(DBusMessageIter *dict, struct service_data *service)
 253 {
 254         DBusMessageIter dict_entry, value;
 255         const char *key;
 256         const char *state;
 257
 258         while (dbus_message_iter_get_arg_type(dict) == DBUS_TYPE_DICT_ENTRY) {
 259                 dbus_message_iter_recurse(dict, &dict_entry);
 260                 dbus_message_iter_get_basic(&dict_entry, &key);
 261                 if (strcmp(key, "Name") == 0) {
 262                         dbus_message_iter_next(&dict_entry);
 263                         dbus_message_iter_recurse(&dict_entry, &value);
 264                         dbus_message_iter_get_basic(&value, &service->name);
 265                 }
 266                 if (strcmp(key, "AutoConnect") == 0) {
 267                         dbus_message_iter_next(&dict_entry);
 268                         dbus_message_iter_recurse(&dict_entry, &value);
 269                         dbus_message_iter_get_basic(&value, &service->autoconn);
 270                 }
 271                 if (strcmp(key, "State") == 0) {
 272                         dbus_message_iter_next(&dict_entry);
 273                         dbus_message_iter_recurse(&dict_entry, &value);
 274                         dbus_message_iter_get_basic(&value, &state);
 275                         if (strcmp(state, "ready") == 0) {
 276                                 service->connected = TRUE;
 277                                 service->online = FALSE;
 278                         } else if (strcmp(state, "online") == 0) {
 279                                 service->connected = FALSE;
 280                                 service->online = TRUE;
 281                         } else {
 282                                 service->connected = FALSE;
 283                                 service->online = FALSE;
 284                         }
 285                 }
 286                 if (strcmp(key, "Favorite") == 0) {
 287                         dbus_message_iter_next(&dict_entry);
 288                         dbus_message_iter_recurse(&dict_entry, &value);
 289                         dbus_message_iter_get_basic(&value, &service->favorite);
 290                 }
 291                 dbus_message_iter_next(dict);
 292         }
 293 }
 294
 295 /* Show detailed information about a service */
 296 void extract_services(DBusMessage *message, char *service_name)
 297 {
 298         DBusMessageIter iter, array;
 299
 300         dbus_message_iter_init(message, &iter);
 301         dbus_message_iter_recurse(&iter, &array);
 302
 303         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_STRUCT) {
 304                 DBusMessageIter entry, dict;
 305                 struct service_data service;
 306                 char *path;
 307
 308                 dbus_message_iter_recurse(&array, &entry);
 309                 dbus_message_iter_get_basic(&entry, &path);
 310
 311                 service.path = strip_service_path(path);
 312                 if (g_strcmp0(service.path, service_name) == 0) {
 313                         printf("[ %s ]\n", service.path);
 314                         dbus_message_iter_next(&entry);
 315                         dbus_message_iter_recurse(&entry, &dict);
 316                         extract_service_properties(&dict, &service);
 317                 }
 318                 dbus_message_iter_next(&array);
 319         }
 320 }
 321
 322 /* Support both string names and path names for connecting to services */
 323 char *strip_service_path(char *service)
 324 {
 325         char *service_name;
 326         service_name = strrchr(service, '/');
 327         if (service_name == NULL)
 328                 return service;
 329         else
 330                 return service_name + 1;
 331 }
 332
 333 /* Show a simple list of service names only */
 334 void get_services(DBusMessage *message)
 335 {
 336         DBusMessageIter iter, array;
 337
 338         dbus_message_iter_init(message, &iter);
 339         dbus_message_iter_recurse(&iter, &array);
 340
 341         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_STRUCT) {
 342                 DBusMessageIter entry, dict;
 343                 struct service_data service;
 344                 char *path;
 345
 346                 dbus_message_iter_recurse(&array, &entry);
 347                 dbus_message_iter_get_basic(&entry, &path);
 348
 349                 service.path = strip_service_path(path);
 350                 dbus_message_iter_next(&entry);
 351                 dbus_message_iter_recurse(&entry, &dict);
 352                 extract_service_name(&dict, &service);
 353                 printf("%-1s%-1s%-1s %-20s { %s }\n",
 354                         service.favorite ? "*" : "",
 355                         service.autoconn ? "A" : "",
 356                         service.online ? "O" : (service.connected ? "R" : ""),
 357                         service.name, service.path);
 358                 dbus_message_iter_next(&array);
 359         }
 360 }
 361
 362 const char *find_service(DBusConnection *connection, DBusMessage *message,
 363                           char *service_name, struct service_data *service)
 364 {
 365         DBusMessageIter iter, array, entry;
 366         char *path;
 367
 368         service_name = strip_service_path(service_name);
 369         match_service_name(message, service_name, service);
 370         /* Service name did not match, so check if entry is a path */
 371         if (g_strcmp0(service_name, service->name)) {
 372                 dbus_message_iter_init(message, &iter);
 373                 dbus_message_iter_recurse(&iter, &array);
 374
 375                 while (dbus_message_iter_get_arg_type(&array) ==
 376                                                         DBUS_TYPE_STRUCT) {
 377                         dbus_message_iter_recurse(&array, &entry);
 378                         dbus_message_iter_get_basic(&entry, &path);
 379
 380                         service->path = strip_service_path(path);
 381                         if (g_strcmp0(service->path, service_name) == 0)
 382                                 return service->path;
 383                         dbus_message_iter_next(&array);
 384                 }
 385                 fprintf(stderr, "'%s' is not a valid service name or path.\n",
 386                                                                 service_name);
 387                 fprintf(stderr, "Use the 'services' command to find available "
 388                                                         "services.\n");
 389                 return NULL;
 390         } else
 391                 return service->path;
 392 }
 393
 394 int set_proxy_manual(DBusConnection *connection, DBusMessage *message,
 395                                 char *name, char **servers, char **excludes,
 396                                 int num_servers, int num_excludes)
 397 {
 398         DBusMessage *message_send;
 399         DBusMessageIter iter, value, dict, entry, data;
 400         struct service_data service;
 401         char *path;
 402         const char *path_name;
 403         char *property = "Proxy.Configuration";
 404         char *method = "Method";
 405         char *manual = "manual";
 406
 407         path_name = find_service(connection, message, name, &service);
 408         if (path_name == NULL)
 409                 return -ENXIO;
 410
 411         path = g_strdup_printf("/net/connman/service/%s", path_name);
 412         message_send = dbus_message_new_method_call("net.connman", path,
 413                                                         "net.connman.Service",
 414                                                         "SetProperty");
 415
 416         if (message_send == NULL) {
 417                 g_free(path);
 418                 return -ENOMEM;
 419         }
 420
 421         dbus_message_iter_init_append(message_send, &iter);
 422         dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &property);
 423         connman_dbus_dict_open_variant(&iter, &value);
 424         connman_dbus_dict_open(&value, &dict);
 425         dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY, NULL,
 426                                                         &entry);
 427         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &method);
 428         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 429                                                 DBUS_TYPE_STRING_AS_STRING,
 430                                                 &data);
 431         dbus_message_iter_append_basic(&data, DBUS_TYPE_STRING, &manual);
 432         dbus_message_iter_close_container(&entry, &data);
 433         dbus_message_iter_close_container(&dict, &entry);
 434         dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY, NULL,
 435                                                         &entry);
 436         append_property_array(&entry, "Servers", servers, num_servers);
 437         dbus_message_iter_close_container(&dict, &entry);
 438
 439         if (num_excludes != 0) {
 440                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 441                                                         NULL, &entry);
 442                 append_property_array(&entry, "Excludes", excludes,
 443                                                         num_excludes);
 444                 dbus_message_iter_close_container(&dict, &entry);
 445         }
 446
 447         dbus_message_iter_close_container(&value, &dict);
 448         dbus_message_iter_close_container(&iter, &value);
 449         dbus_connection_send(connection, message_send, NULL);
 450         dbus_connection_flush(connection);
 451         dbus_message_unref(message_send);
 452
 453         g_free(path);
 454
 455         return 0;
 456 }
 457
 458 int set_service_property(DBusConnection *connection, DBusMessage *message,
 459                                 char *name, char *property, char **keys,
 460                                 void *data, int num_args)
 461 {
 462         DBusMessage *message_send;
 463         DBusMessageIter iter;
 464         struct service_data service;
 465         char *path;
 466         const char *path_name;
 467
 468         path_name = find_service(connection, message, name, &service);
 469         if (path_name == NULL)
 470                 return -ENXIO;
 471
 472         path = g_strdup_printf("/net/connman/service/%s", path_name);
 473         message_send = dbus_message_new_method_call("net.connman", path,
 474                                                         "net.connman.Service",
 475                                                         "SetProperty");
 476
 477         if (message_send == NULL) {
 478                 g_free(path);
 479                 return -ENOMEM;
 480         }
 481
 482         dbus_message_iter_init_append(message_send, &iter);
 483
 484         if (strcmp(property, "AutoConnect") == 0)
 485                 connman_dbus_property_append_basic(&iter,
 486                                                 (const char *) property,
 487                                                 DBUS_TYPE_BOOLEAN, data);
 488         else if ((strcmp(property, "Domains.Configuration") == 0)
 489                         || (strcmp(property, "Timeservers.Configuration") == 0)
 490                         || (strcmp(property, "Nameservers.Configuration") == 0))
 491                 append_property_array(&iter, property, data, num_args);
 492         else if ((strcmp(property, "IPv4.Configuration") == 0)
 493                         || (strcmp(property, "IPv6.Configuration") == 0)
 494                         || (strcmp(property, "Proxy.Configuration") == 0))
 495                 append_property_dict(&iter, property, keys, data, num_args);
 496
 497         dbus_connection_send(connection, message_send, NULL);
 498         dbus_connection_flush(connection);
 499         dbus_message_unref(message_send);
 500         g_free(path);
 501
 502         return 0;
 503 }
 504
 505 int remove_service(DBusConnection *connection, DBusMessage *message,
 506                                                                 char *name)
 507 {
 508         struct service_data service;
 509         DBusMessage *message_send;
 510         const char *path_name;
 511         char *path;
 512
 513         path_name = find_service(connection, message, name, &service);
 514         if (path_name == NULL)
 515                 return -ENXIO;
 516
 517         if (service.favorite == FALSE)
 518                 return 0;
 519
 520         path = g_strdup_printf("/net/connman/service/%s", path_name);
 521         message_send = dbus_message_new_method_call(CONNMAN_SERVICE, path,
 522                                                 CONNMAN_SERVICE_INTERFACE,
 523                                                 "Remove");
 524         if (message_send == NULL) {
 525                 g_free(path);
 526                 return -ENOMEM;
 527         }
 528
 529         dbus_connection_send(connection, message_send, NULL);
 530         dbus_message_unref(message_send);
 531         g_free(path);
 532
 533         return 0;
 534 }