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 void append_property_dict(DBusMessageIter *iter, char *property,
  92                                         char **keys, char **data, int num_args)
  93 {
  94         DBusMessageIter value, dict, entry, dict_key;
  95         int i;
  96         unsigned char prefix;
  97
  98         dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING, &property);
  99
 100         /* Top most level is a{sv} */
 101         dbus_dict_open_variant(iter, &value);
 102
 103         dbus_dict_open(&value, &dict);
 104
 105         for (i = 0; i < num_args; i++) {
 106                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 107                                                         NULL, &entry);
 108                 dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING,
 109                                                         &keys[i]);
 110
 111                 if (strcmp(property, "IPv6.Configuration") == 0 &&
 112                                            g_strcmp0(keys[i], "PrefixLength")) {
 113                         if (data[i] == NULL) {
 114                                 fprintf(stderr, "No values entered!\n");
 115                                 exit(EXIT_FAILURE);
 116                         }
 117                         prefix = atoi(data[i]);
 118
 119                         dbus_message_iter_open_container(&entry,
 120                                                 DBUS_TYPE_VARIANT,
 121                                                 DBUS_TYPE_BYTE_AS_STRING,
 122                                                 &dict_key);
 123                         dbus_message_iter_append_basic(&dict_key,
 124                                                        DBUS_TYPE_BYTE, &prefix);
 125                 } else {
 126                         dbus_message_iter_open_container(&entry,
 127                                                  DBUS_TYPE_VARIANT,
 128                                                  DBUS_TYPE_STRING_AS_STRING,
 129                                                  &dict_key);
 130                         dbus_message_iter_append_basic(&dict_key,
 131                                                         DBUS_TYPE_STRING,
 132                                                         &data[i]);
 133                 }
 134                 dbus_message_iter_close_container(&entry, &dict_key);
 135                 dbus_message_iter_close_container(&dict, &entry);
 136         }
 137         /* Close {sv}, then close a{sv} */
 138         dbus_dict_close(&value, &dict);
 139         dbus_dict_close(iter, &value);
 140 }
 141
 142 void iterate_array(DBusMessageIter *iter)
 143 {
 144         DBusMessageIter array_item;
 145         dbus_bool_t key_bool;
 146         char *key_str;
 147
 148         dbus_message_iter_recurse(iter, &array_item);
 149         /* Make sure the entry is not NULL! */
 150         printf("[ ");
 151         while (dbus_message_iter_get_arg_type(&array_item) !=
 152                                         DBUS_TYPE_INVALID) {
 153                 if (dbus_message_iter_get_arg_type(&array_item) ==
 154                                         DBUS_TYPE_STRING) {
 155                         dbus_message_iter_get_basic(&array_item,
 156                                                 &key_str);
 157                         printf("%s ", key_str);
 158                 } else if (dbus_message_iter_get_arg_type(&array_item) ==
 159                                         DBUS_TYPE_BOOLEAN) {
 160                         dbus_message_iter_get_basic(&array_item, &key_bool);
 161                         printf("%s ", key_bool == TRUE ? "True"
 162                                                 : "False");
 163                 }
 164                 dbus_message_iter_next(&array_item);
 165         }
 166         if (dbus_message_iter_get_arg_type(&array_item) ==
 167                                         DBUS_TYPE_INVALID)
 168                 printf("] ");
 169 }
 170
 171 void iterate_dict(DBusMessageIter *dict, char *string, uint16_t key_int)
 172 {
 173         DBusMessageIter dict_entry, sub_dict_entry;
 174
 175         printf("{ ");
 176         while (dbus_message_iter_get_arg_type(dict) == DBUS_TYPE_DICT_ENTRY) {
 177                 dbus_message_iter_recurse(dict, &dict_entry);
 178                 dbus_message_iter_get_basic(&dict_entry, &string);
 179                 printf("%s=", string);
 180                 dbus_message_iter_next(&dict_entry);
 181                 while (dbus_message_iter_get_arg_type(&dict_entry)
 182                                                         != DBUS_TYPE_INVALID) {
 183                         dbus_message_iter_recurse(&dict_entry, &sub_dict_entry);
 184                         if (dbus_message_iter_get_arg_type(&sub_dict_entry)
 185                                                         == DBUS_TYPE_UINT16) {
 186                                 dbus_message_iter_get_basic(&sub_dict_entry,
 187                                                                 &key_int);
 188                                 printf("%d ", key_int);
 189                         } else if (dbus_message_iter_get_arg_type(&sub_dict_entry)
 190                                                         == DBUS_TYPE_STRING) {
 191                                 dbus_message_iter_get_basic(&sub_dict_entry,
 192                                                                 &string);
 193                                 printf("%s ", string);
 194                         } else if (dbus_message_iter_get_arg_type(&sub_dict_entry)
 195                                                         == DBUS_TYPE_ARRAY) {
 196                                 iterate_array(&sub_dict_entry);
 197                         }
 198                         dbus_message_iter_next(&dict_entry);
 199                 }
 200                 dbus_message_iter_next(dict);
 201         }
 202         printf("}");
 203 }
 204
 205 /* Get dictionary info about the current service and store it */
 206 static void extract_service_properties(DBusMessageIter *dict,
 207                                 struct service_data *service)
 208 {
 209         DBusMessageIter entry, value, array_item;
 210         char *key;
 211         char *key_str;
 212         uint16_t key_uint16;
 213         dbus_bool_t key_bool;
 214
 215         while (dbus_message_iter_get_arg_type(dict) == DBUS_TYPE_DICT_ENTRY) {
 216                 dbus_message_iter_recurse(dict, &entry);
 217                 dbus_message_iter_get_basic(&entry, &key);
 218                 printf("\n  %s = ", key);
 219                 if (strcmp(key, "Name") == 0 && strlen(key) < 5)
 220                         service->name = key;
 221
 222                 dbus_message_iter_next(&entry);
 223                 dbus_message_iter_recurse(&entry, &value);
 224                 /* Check if entry is a dictionary itself */
 225                 if (strcmp(key, "Ethernet") == 0 ||
 226                         /* if just strcmp, the .Configuration names don't match
 227                          * and they are iterated with iterate_array instead*/
 228                                 strncmp(key, "IPv4", 4) == 0 ||
 229                                 strncmp(key, "IPv6", 4) == 0 ||
 230                                 strncmp(key, "Proxy", 5) == 0 ||
 231                                 strcmp(key, "Provider") == 0) {
 232                         dbus_message_iter_recurse(&value, &array_item);
 233                         iterate_dict(&array_item, key_str, key_uint16);
 234                 } else
 235                 switch (dbus_message_iter_get_arg_type(&value)) {
 236                 case DBUS_TYPE_ARRAY:
 237                         iterate_array(&value);
 238                         break;
 239                 case DBUS_TYPE_BOOLEAN:
 240                         dbus_message_iter_get_basic(&value, &key_bool);
 241                         printf("%s", key_bool == TRUE ? "True" : "False");
 242                         break;
 243                 case DBUS_TYPE_BYTE:
 244                         dbus_message_iter_get_basic(&value, &key_uint16);
 245                         printf("%d", key_uint16);
 246                         break;
 247                 case DBUS_TYPE_STRING:
 248                         dbus_message_iter_get_basic(&value, &key_str);
 249                         printf("%s", key_str);
 250                         break;
 251                 }
 252                 dbus_message_iter_next(dict);
 253         }
 254         printf("\n\n");
 255 }
 256
 257 static void match_service_name(DBusMessage *message, char *service_name,
 258                                                 struct service_data *service)
 259 {
 260         DBusMessageIter iter, array;
 261
 262         dbus_message_iter_init(message, &iter);
 263         dbus_message_iter_recurse(&iter, &array);
 264
 265         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_STRUCT) {
 266                 DBusMessageIter entry, dict;
 267                 char *path;
 268
 269                 dbus_message_iter_recurse(&array, &entry);
 270                 dbus_message_iter_get_basic(&entry, &path);
 271
 272                 service->path = strip_service_path(path);
 273                 dbus_message_iter_next(&entry);
 274                 dbus_message_iter_recurse(&entry, &dict);
 275                 extract_service_name(&dict, service);
 276                 if (g_strcmp0(service_name, service->name) == 0) {
 277                         printf("    Matched %s with %s\n\n", service->name,
 278                                                                 service->path);
 279                         break;
 280                 }
 281                 dbus_message_iter_next(&array);
 282         }
 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 const char *find_service(DBusConnection *connection, DBusMessage *message,
 396                           char *service_name, struct service_data *service)
 397 {
 398         DBusMessageIter iter, array, entry;
 399         char *path;
 400
 401         service_name = strip_service_path(service_name);
 402         match_service_name(message, service_name, service);
 403         /* Service name did not match, so check if entry is a path */
 404         if (g_strcmp0(service_name, service->name)) {
 405                 dbus_message_iter_init(message, &iter);
 406                 dbus_message_iter_recurse(&iter, &array);
 407
 408                 while (dbus_message_iter_get_arg_type(&array) ==
 409                                                         DBUS_TYPE_STRUCT) {
 410                         dbus_message_iter_recurse(&array, &entry);
 411                         dbus_message_iter_get_basic(&entry, &path);
 412
 413                         service->path = strip_service_path(path);
 414                         if (g_strcmp0(service->path, service_name) == 0)
 415                                 return service->path;
 416                         dbus_message_iter_next(&array);
 417                 }
 418                 fprintf(stderr, "'%s' is not a valid service name or path.\n",
 419                                                                 service_name);
 420                 fprintf(stderr, "Use the 'services' command to find available "
 421                                                         "services.\n");
 422                 return NULL;
 423         } else
 424                 return service->path;
 425 }
 426
 427 int set_proxy_manual(DBusConnection *connection, DBusMessage *message,
 428                                 char *name, char **servers, char **excludes,
 429                                 int num_servers, int num_excludes)
 430 {
 431         DBusMessage *message_send;
 432         DBusMessageIter iter, value, dict, entry, data;
 433         struct service_data service;
 434         char *path;
 435         const char *path_name;
 436         char *property = "Proxy.Configuration";
 437         char *method = "Method";
 438         char *manual = "manual";
 439
 440         path_name = find_service(connection, message, name, &service);
 441         if (path_name == NULL)
 442                 return -ENXIO;
 443
 444         path = g_strdup_printf("/net/connman/service/%s", path_name);
 445         message_send = dbus_message_new_method_call("net.connman", path,
 446                                                         "net.connman.Service",
 447                                                         "SetProperty");
 448
 449         if (message_send == NULL) {
 450                 g_free(path);
 451                 return -ENOMEM;
 452         }
 453
 454         dbus_message_iter_init_append(message_send, &iter);
 455         dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &property);
 456         dbus_dict_open_variant(&iter, &value);
 457         dbus_dict_open(&value, &dict);
 458         dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY, NULL,
 459                                                         &entry);
 460         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &method);
 461         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 462                                                 DBUS_TYPE_STRING_AS_STRING,
 463                                                 &data);
 464         dbus_message_iter_append_basic(&data, DBUS_TYPE_STRING, &manual);
 465         dbus_message_iter_close_container(&entry, &data);
 466         dbus_message_iter_close_container(&dict, &entry);
 467         dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY, NULL,
 468                                                         &entry);
 469         append_property_array(&entry, "Servers", servers, num_servers);
 470         dbus_message_iter_close_container(&dict, &entry);
 471
 472         if (num_excludes != 0) {
 473                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 474                                                         NULL, &entry);
 475                 append_property_array(&entry, "Excludes", excludes,
 476                                                         num_excludes);
 477                 dbus_message_iter_close_container(&dict, &entry);
 478         }
 479
 480         dbus_message_iter_close_container(&value, &dict);
 481         dbus_message_iter_close_container(&iter, &value);
 482         dbus_connection_send(connection, message_send, NULL);
 483         dbus_connection_flush(connection);
 484         dbus_message_unref(message_send);
 485
 486         g_free(path);
 487
 488         return 0;
 489 }
 490
 491 int set_service_property(DBusConnection *connection, DBusMessage *message,
 492                                 char *name, char *property, char **keys,
 493                                 void *data, int num_args)
 494 {
 495         DBusMessage *message_send;
 496         DBusMessageIter iter;
 497         struct service_data service;
 498         char *path;
 499         const char *path_name;
 500
 501         path_name = find_service(connection, message, name, &service);
 502         if (path_name == NULL)
 503                 return -ENXIO;
 504
 505         path = g_strdup_printf("/net/connman/service/%s", path_name);
 506         message_send = dbus_message_new_method_call("net.connman", path,
 507                                                         "net.connman.Service",
 508                                                         "SetProperty");
 509
 510         if (message_send == NULL) {
 511                 g_free(path);
 512                 return -ENOMEM;
 513         }
 514
 515         dbus_message_iter_init_append(message_send, &iter);
 516
 517         if (strcmp(property, "AutoConnect") == 0)
 518                 dbus_property_append_basic(&iter, (const char *) property,
 519                                                 DBUS_TYPE_BOOLEAN, data);
 520         else if ((strcmp(property, "Domains.Configuration") == 0)
 521                         || (strcmp(property, "Timeservers.Configuration") == 0)
 522                         || (strcmp(property, "Nameservers.Configuration") == 0))
 523                 append_property_array(&iter, property, data, num_args);
 524         else if ((strcmp(property, "IPv4.Configuration") == 0)
 525                         || (strcmp(property, "IPv6.Configuration") == 0)
 526                         || (strcmp(property, "Proxy.Configuration") == 0))
 527                 append_property_dict(&iter, property, keys, data, num_args);
 528
 529         dbus_connection_send(connection, message_send, NULL);
 530         dbus_connection_flush(connection);
 531         dbus_message_unref(message_send);
 532         g_free(path);
 533
 534         return 0;
 535 }
 536
 537 int remove_service(DBusConnection *connection, DBusMessage *message,
 538                                                                 char *name)
 539 {
 540         struct service_data service;
 541         DBusMessage *message_send;
 542         const char *path_name;
 543         char *path;
 544
 545         path_name = find_service(connection, message, name, &service);
 546         if (path_name == NULL)
 547                 return -ENXIO;
 548
 549         if (service.favorite == FALSE)
 550                 return 0;
 551
 552         path = g_strdup_printf("/net/connman/service/%s", path_name);
 553         message_send = dbus_message_new_method_call(CONNMAN_SERVICE, path,
 554                                                 CONNMAN_SERVICE_INTERFACE,
 555                                                 "Remove");
 556         if (message_send == NULL) {
 557                 g_free(path);
 558                 return -ENOMEM;
 559         }
 560
 561         dbus_connection_send(connection, message_send, NULL);
 562         dbus_message_unref(message_send);
 563         g_free(path);
 564
 565         return 0;
 566 }