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 <glib.h>
  35
  36 #include "services.h"
  37 #include "dbus.h"
  38
  39 int parse_boolean(char *arg)
  40 {
  41         if (arg == NULL)
  42                 return -1;
  43
  44         if (strcasecmp(arg, "no") == 0 ||
  45                         strcasecmp(arg, "false") == 0 ||
  46                         strcasecmp(arg, "off" ) == 0 ||
  47                         strcasecmp(arg, "disable" ) == 0 ||
  48                         strcasecmp(arg, "n") == 0 ||
  49                         strcasecmp(arg, "f") == 0 ||
  50                         strcasecmp(arg, "0") == 0)
  51                 return 0;
  52
  53         if (strcasecmp(arg, "yes") == 0 ||
  54                         strcasecmp(arg, "true") == 0 ||
  55                         strcasecmp(arg, "on") == 0 ||
  56                         strcasecmp(arg, "enable" ) == 0 ||
  57                         strcasecmp(arg, "y") == 0 ||
  58                         strcasecmp(arg, "t") == 0 ||
  59                         strcasecmp(arg, "1") == 0)
  60                 return 1;
  61
  62         return -1;
  63 }
  64
  65 static int append_property_array(DBusMessageIter *iter, char *property,
  66                                                 char **data, int num_args)
  67 {
  68         DBusMessageIter value, array;
  69         int i = 0;
  70
  71         dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING, &property);
  72
  73         dbus_array_open(iter, &value);
  74         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
  75                                          DBUS_TYPE_STRING_AS_STRING, &array);
  76
  77         while (data[i] != NULL && strncmp(data[i], "--", 2) != 0) {
  78                 dbus_message_iter_append_basic(&array, DBUS_TYPE_STRING,
  79                                                 &data[i]);
  80                 if (num_args > 0 && i == num_args)
  81                         break;
  82                 i++;
  83         }
  84
  85         dbus_message_iter_close_container(&value, &array);
  86         dbus_message_iter_close_container(iter, &value);
  87
  88         return i;
  89 }
  90
  91 static int append_property_dict(DBusMessageIter *iter, char *property,
  92                                         char **keys, char **data, int num_args)
  93 {
  94         int is_ipv6 = 0;
  95         DBusMessageIter value, dict, entry, dict_key;
  96         int i = 0;
  97         unsigned char prefix;
  98         char *property_value;
  99
 100         dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING, &property);
 101
 102         /* Top most level is a{sv} */
 103         dbus_dict_open_variant(iter, &value);
 104
 105         dbus_dict_open(&value, &dict);
 106
 107         if (strcmp(property, "IPv6.Configuration") == 0)
 108                 is_ipv6 = 1;
 109
 110         while (keys[i] != NULL && data[i] != NULL
 111                         && strncmp(data[i], "--", 2) != 0) {
 112
 113                 if (num_args > 0 && i == num_args)
 114                         break;
 115
 116                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 117                                                         NULL, &entry);
 118                 dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING,
 119                                                         &keys[i]);
 120
 121                 property_value = data[i];
 122
 123                 if (is_ipv6 == 1 && g_strcmp0(keys[i], "PrefixLength") == 0) {
 124                         prefix = atoi(data[i]);
 125
 126                         dbus_message_iter_open_container(&entry,
 127                                                 DBUS_TYPE_VARIANT,
 128                                                 DBUS_TYPE_BYTE_AS_STRING,
 129                                                 &dict_key);
 130                         dbus_message_iter_append_basic(&dict_key,
 131                                                        DBUS_TYPE_BYTE, &prefix);
 132                 } else {
 133                         if (is_ipv6 == 1 && strcmp(keys[i], "Privacy") == 0) {
 134                                 switch (parse_boolean(property_value)) {
 135                                 case 0:
 136                                         property_value = "disabled";
 137                                         break;
 138                                 case 1:
 139                                         property_value = "enabled";
 140                                         break;
 141                                 case -1:
 142                                         if (strcmp(property_value,
 143                                                         "prefered") != 0)
 144                                                 return -EINVAL;
 145                                         break;
 146                                 }
 147                         }
 148
 149                         dbus_message_iter_open_container(&entry,
 150                                                  DBUS_TYPE_VARIANT,
 151                                                  DBUS_TYPE_STRING_AS_STRING,
 152                                                  &dict_key);
 153                         dbus_message_iter_append_basic(&dict_key,
 154                                                         DBUS_TYPE_STRING,
 155                                                         &property_value);
 156                 }
 157
 158                 dbus_message_iter_close_container(&entry, &dict_key);
 159                 dbus_message_iter_close_container(&dict, &entry);
 160
 161                 i++;
 162         }
 163         /* Close {sv}, then close a{sv} */
 164         dbus_dict_close(&value, &dict);
 165         dbus_dict_close(iter, &value);
 166
 167         return i;
 168 }
 169
 170 void iterate_array(DBusMessageIter *iter)
 171 {
 172         DBusMessageIter array_item;
 173         dbus_bool_t key_bool;
 174         char *key_str;
 175
 176         dbus_message_iter_recurse(iter, &array_item);
 177         /* Make sure the entry is not NULL! */
 178         printf("[ ");
 179         while (dbus_message_iter_get_arg_type(&array_item) !=
 180                                         DBUS_TYPE_INVALID) {
 181                 if (dbus_message_iter_get_arg_type(&array_item) ==
 182                                         DBUS_TYPE_STRING) {
 183                         dbus_message_iter_get_basic(&array_item,
 184                                                 &key_str);
 185                         printf("%s ", key_str);
 186                 } else if (dbus_message_iter_get_arg_type(&array_item) ==
 187                                         DBUS_TYPE_BOOLEAN) {
 188                         dbus_message_iter_get_basic(&array_item, &key_bool);
 189                         printf("%s ", key_bool == TRUE ? "True"
 190                                                 : "False");
 191                 }
 192                 dbus_message_iter_next(&array_item);
 193         }
 194         if (dbus_message_iter_get_arg_type(&array_item) ==
 195                                         DBUS_TYPE_INVALID)
 196                 printf("] ");
 197 }
 198
 199 void iterate_dict(DBusMessageIter *dict, char *string, uint16_t key_int)
 200 {
 201         DBusMessageIter dict_entry, sub_dict_entry;
 202
 203         printf("{ ");
 204         while (dbus_message_iter_get_arg_type(dict) == DBUS_TYPE_DICT_ENTRY) {
 205                 dbus_message_iter_recurse(dict, &dict_entry);
 206                 dbus_message_iter_get_basic(&dict_entry, &string);
 207                 printf("%s=", string);
 208                 dbus_message_iter_next(&dict_entry);
 209                 while (dbus_message_iter_get_arg_type(&dict_entry)
 210                                                         != DBUS_TYPE_INVALID) {
 211                         dbus_message_iter_recurse(&dict_entry, &sub_dict_entry);
 212                         if (dbus_message_iter_get_arg_type(&sub_dict_entry)
 213                                                         == DBUS_TYPE_UINT16) {
 214                                 dbus_message_iter_get_basic(&sub_dict_entry,
 215                                                                 &key_int);
 216                                 printf("%d ", key_int);
 217                         } else if (dbus_message_iter_get_arg_type(&sub_dict_entry)
 218                                                         == DBUS_TYPE_STRING) {
 219                                 dbus_message_iter_get_basic(&sub_dict_entry,
 220                                                                 &string);
 221                                 printf("%s ", string);
 222                         } else if (dbus_message_iter_get_arg_type(&sub_dict_entry)
 223                                                         == DBUS_TYPE_ARRAY) {
 224                                 iterate_array(&sub_dict_entry);
 225                         }
 226                         dbus_message_iter_next(&dict_entry);
 227                 }
 228                 dbus_message_iter_next(dict);
 229         }
 230         printf("}");
 231 }
 232
 233 /* Get dictionary info about the current service and store it */
 234 static void extract_service_properties(DBusMessageIter *dict,
 235                                 struct service_data *service)
 236 {
 237         DBusMessageIter entry, value, array_item;
 238         char *key;
 239         char *key_str;
 240         uint16_t key_uint16;
 241         dbus_bool_t key_bool;
 242
 243         while (dbus_message_iter_get_arg_type(dict) == DBUS_TYPE_DICT_ENTRY) {
 244                 dbus_message_iter_recurse(dict, &entry);
 245                 dbus_message_iter_get_basic(&entry, &key);
 246                 printf("\n  %s = ", key);
 247                 if (strcmp(key, "Name") == 0 && strlen(key) < 5)
 248                         service->name = key;
 249
 250                 dbus_message_iter_next(&entry);
 251                 dbus_message_iter_recurse(&entry, &value);
 252                 /* Check if entry is a dictionary itself */
 253                 if (strcmp(key, "Ethernet") == 0 ||
 254                         /* if just strcmp, the .Configuration names don't match
 255                          * and they are iterated with iterate_array instead*/
 256                                 strncmp(key, "IPv4", 4) == 0 ||
 257                                 strncmp(key, "IPv6", 4) == 0 ||
 258                                 strncmp(key, "Proxy", 5) == 0 ||
 259                                 strcmp(key, "Provider") == 0) {
 260                         dbus_message_iter_recurse(&value, &array_item);
 261                         iterate_dict(&array_item, key_str, key_uint16);
 262                 } else
 263                 switch (dbus_message_iter_get_arg_type(&value)) {
 264                 case DBUS_TYPE_ARRAY:
 265                         iterate_array(&value);
 266                         break;
 267                 case DBUS_TYPE_BOOLEAN:
 268                         dbus_message_iter_get_basic(&value, &key_bool);
 269                         printf("%s", key_bool == TRUE ? "True" : "False");
 270                         break;
 271                 case DBUS_TYPE_BYTE:
 272                         dbus_message_iter_get_basic(&value, &key_uint16);
 273                         printf("%d", key_uint16);
 274                         break;
 275                 case DBUS_TYPE_STRING:
 276                         dbus_message_iter_get_basic(&value, &key_str);
 277                         printf("%s", key_str);
 278                         break;
 279                 }
 280                 dbus_message_iter_next(dict);
 281         }
 282         printf("\n\n");
 283 }
 284
 285 void extract_service_name(DBusMessageIter *dict, struct service_data *service)
 286 {
 287         DBusMessageIter dict_entry, value;
 288         const char *key;
 289         const char *state;
 290
 291         while (dbus_message_iter_get_arg_type(dict) == DBUS_TYPE_DICT_ENTRY) {
 292                 dbus_message_iter_recurse(dict, &dict_entry);
 293                 dbus_message_iter_get_basic(&dict_entry, &key);
 294                 if (strcmp(key, "Name") == 0) {
 295                         dbus_message_iter_next(&dict_entry);
 296                         dbus_message_iter_recurse(&dict_entry, &value);
 297                         dbus_message_iter_get_basic(&value, &service->name);
 298                 }
 299                 if (strcmp(key, "AutoConnect") == 0) {
 300                         dbus_message_iter_next(&dict_entry);
 301                         dbus_message_iter_recurse(&dict_entry, &value);
 302                         dbus_message_iter_get_basic(&value, &service->autoconn);
 303                 }
 304                 if (strcmp(key, "State") == 0) {
 305                         dbus_message_iter_next(&dict_entry);
 306                         dbus_message_iter_recurse(&dict_entry, &value);
 307                         dbus_message_iter_get_basic(&value, &state);
 308                         if (strcmp(state, "ready") == 0) {
 309                                 service->connected = TRUE;
 310                                 service->online = FALSE;
 311                         } else if (strcmp(state, "online") == 0) {
 312                                 service->connected = FALSE;
 313                                 service->online = TRUE;
 314                         } else {
 315                                 service->connected = FALSE;
 316                                 service->online = FALSE;
 317                         }
 318                 }
 319                 if (strcmp(key, "Favorite") == 0) {
 320                         dbus_message_iter_next(&dict_entry);
 321                         dbus_message_iter_recurse(&dict_entry, &value);
 322                         dbus_message_iter_get_basic(&value, &service->favorite);
 323                 }
 324                 dbus_message_iter_next(dict);
 325         }
 326 }
 327
 328 /* Show detailed information about a service */
 329 void extract_services(DBusMessage *message, char *service_name)
 330 {
 331         DBusMessageIter iter, array;
 332
 333         dbus_message_iter_init(message, &iter);
 334         dbus_message_iter_recurse(&iter, &array);
 335
 336         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_STRUCT) {
 337                 DBusMessageIter entry, dict;
 338                 struct service_data service;
 339                 char *path;
 340
 341                 dbus_message_iter_recurse(&array, &entry);
 342                 dbus_message_iter_get_basic(&entry, &path);
 343
 344                 service.path = strip_service_path(path);
 345                 if (g_strcmp0(service.path, service_name) == 0) {
 346                         printf("[ %s ]\n", service.path);
 347                         dbus_message_iter_next(&entry);
 348                         dbus_message_iter_recurse(&entry, &dict);
 349                         extract_service_properties(&dict, &service);
 350                 }
 351                 dbus_message_iter_next(&array);
 352         }
 353 }
 354
 355 /* Support both string names and path names for connecting to services */
 356 char *strip_service_path(char *service)
 357 {
 358         char *service_name;
 359         service_name = strrchr(service, '/');
 360         if (service_name == NULL)
 361                 return service;
 362         else
 363                 return service_name + 1;
 364 }
 365
 366 /* Show a simple list of service names only */
 367 void get_services(DBusMessage *message)
 368 {
 369         DBusMessageIter iter, array;
 370
 371         dbus_message_iter_init(message, &iter);
 372         dbus_message_iter_recurse(&iter, &array);
 373
 374         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_STRUCT) {
 375                 DBusMessageIter entry, dict;
 376                 struct service_data service;
 377                 char *path;
 378
 379                 dbus_message_iter_recurse(&array, &entry);
 380                 dbus_message_iter_get_basic(&entry, &path);
 381
 382                 service.path = strip_service_path(path);
 383                 dbus_message_iter_next(&entry);
 384                 dbus_message_iter_recurse(&entry, &dict);
 385                 extract_service_name(&dict, &service);
 386                 printf("%-1s%-1s%-1s %-20s { %s }\n",
 387                         service.favorite ? "*" : "",
 388                         service.autoconn ? "A" : "",
 389                         service.online ? "O" : (service.connected ? "R" : ""),
 390                         service.name, service.path);
 391                 dbus_message_iter_next(&array);
 392         }
 393 }
 394
 395 int set_proxy_manual(DBusConnection *connection, DBusMessage *message,
 396                                 char *name, char **servers, char **excludes,
 397                                 int num_servers, int num_excludes)
 398 {
 399         DBusMessage *message_send;
 400         DBusMessageIter iter, value, dict, entry, data;
 401         char *path;
 402         const char *path_name;
 403         char *property = "Proxy.Configuration";
 404         char *method = "Method";
 405         char *manual = "manual";
 406         DBusError dbus_error;
 407
 408         path_name = strip_service_path(name);
 409         if (path_name == NULL)
 410                 return -ENXIO;
 411
 412         path = g_strdup_printf("/net/connman/service/%s", path_name);
 413         message_send = dbus_message_new_method_call("net.connman", path,
 414                                                         "net.connman.Service",
 415                                                         "SetProperty");
 416
 417         if (message_send == NULL) {
 418                 g_free(path);
 419                 return -ENOMEM;
 420         }
 421
 422         dbus_message_iter_init_append(message_send, &iter);
 423         dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &property);
 424         dbus_dict_open_variant(&iter, &value);
 425         dbus_dict_open(&value, &dict);
 426         dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY, NULL,
 427                                                         &entry);
 428         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &method);
 429         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 430                                                 DBUS_TYPE_STRING_AS_STRING,
 431                                                 &data);
 432         dbus_message_iter_append_basic(&data, DBUS_TYPE_STRING, &manual);
 433         dbus_message_iter_close_container(&entry, &data);
 434         dbus_message_iter_close_container(&dict, &entry);
 435         dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY, NULL,
 436                                                         &entry);
 437         append_property_array(&entry, "Servers", servers, num_servers -1);
 438         dbus_message_iter_close_container(&dict, &entry);
 439
 440         if (num_excludes != 0) {
 441                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 442                                                         NULL, &entry);
 443                 append_property_array(&entry, "Excludes", excludes,
 444                                                         num_excludes -1);
 445                 dbus_message_iter_close_container(&dict, &entry);
 446         }
 447
 448         dbus_message_iter_close_container(&value, &dict);
 449         dbus_message_iter_close_container(&iter, &value);
 450
 451         dbus_error_init(&dbus_error);
 452         dbus_connection_send_with_reply_and_block(connection, message_send,
 453                         -1, &dbus_error);
 454
 455         if (dbus_error_is_set(&dbus_error) == TRUE) {
 456                 printf("Error '%s': %s", path, dbus_error.message);
 457                 dbus_error_free(&dbus_error);
 458         }
 459
 460         dbus_message_unref(message_send);
 461
 462         g_free(path);
 463
 464         return num_servers + num_excludes;
 465 }
 466
 467 int set_service_property(DBusConnection *connection, DBusMessage *message,
 468                                 char *name, char *property, char **keys,
 469                                 void *data, int num_args)
 470 {
 471         int num_props = 1;
 472         DBusMessage *message_send;
 473         DBusMessageIter iter;
 474         char *path;
 475         const char *path_name;
 476         DBusError dbus_error;
 477
 478         path_name = strip_service_path(name);
 479         if (path_name == NULL)
 480                 return -ENXIO;
 481
 482         path = g_strdup_printf("/net/connman/service/%s", path_name);
 483         message_send = dbus_message_new_method_call("net.connman", path,
 484                                                         "net.connman.Service",
 485                                                         "SetProperty");
 486
 487         if (message_send == NULL) {
 488                 g_free(path);
 489                 return -ENOMEM;
 490         }
 491
 492         dbus_message_iter_init_append(message_send, &iter);
 493
 494         if (strcmp(property, "AutoConnect") == 0)
 495                 dbus_property_append_basic(&iter, (const char *) property,
 496                                                 DBUS_TYPE_BOOLEAN, data);
 497         else if ((strcmp(property, "Domains.Configuration") == 0)
 498                         || (strcmp(property, "Timeservers.Configuration") == 0)
 499                         || (strcmp(property, "Nameservers.Configuration") == 0))
 500                 num_props = append_property_array(&iter, property, data,
 501                                 num_args);
 502         else if ((strcmp(property, "IPv4.Configuration") == 0)
 503                         || (strcmp(property, "IPv6.Configuration") == 0)
 504                         || (strcmp(property, "Proxy.Configuration") == 0))
 505                 num_props = append_property_dict(&iter, property, keys, data,
 506                                 num_args);
 507
 508         if (num_props >= 0) {
 509                 dbus_error_init(&dbus_error);
 510                 dbus_connection_send_with_reply_and_block(connection,
 511                                 message_send, -1, &dbus_error);
 512
 513                 if (dbus_error_is_set(&dbus_error) == TRUE) {
 514                         printf("Error '%s': %s", path, dbus_error.message);
 515                         dbus_error_free(&dbus_error);
 516                 }
 517         }
 518
 519         dbus_message_unref(message_send);
 520         g_free(path);
 521
 522         return num_props;
 523 }
 524
 525 int remove_service(DBusConnection *connection, DBusMessage *message,
 526                                                                 char *name)
 527 {
 528         DBusMessage *message_send;
 529         const char *path_name;
 530         char *path;
 531         DBusError err;
 532
 533         path_name = strip_service_path(name);
 534         path = g_strdup_printf("/net/connman/service/%s", path_name);
 535         message_send = dbus_message_new_method_call(CONNMAN_SERVICE, path,
 536                                                 CONNMAN_SERVICE_INTERFACE,
 537                                                 "Remove");
 538         if (message_send == NULL) {
 539                 g_free(path);
 540                 return -ENOMEM;
 541         }
 542
 543         dbus_error_init(&err);
 544         dbus_connection_send_with_reply_and_block(connection, message_send,
 545                         -1, &err);
 546         if (dbus_error_is_set(&err) == TRUE) {
 547                 printf("Error '%s' %s\n", path, err.message);
 548                 dbus_error_free(&err);
 549         }
 550
 551         dbus_message_unref(message_send);
 552         g_free(path);
 553
 554         return 0;
 555 }