git.meshlink.io Git - catta/blob - avahi-daemon/dbus-protocol.c

   1 /* $Id$ */
   2
   3 /***
   4   This file is part of avahi.
   5
   6   avahi is free software; you can redistribute it and/or modify it
   7   under the terms of the GNU Lesser General Public License as
   8   published by the Free Software Foundation; either version 2.1 of the
   9   License, or (at your option) any later version.
  10
  11   avahi is distributed in the hope that it will be useful, but WITHOUT
  12   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  13   or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
  14   Public License for more details.
  15
  16   You should have received a copy of the GNU Lesser General Public
  17   License along with avahi; if not, write to the Free Software
  18   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  19   USA.
  20 ***/
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <string.h>
  27 #include <sys/ioctl.h>
  28 #include <net/if.h>
  29 #include <errno.h>
  30 #include <unistd.h>
  31 #include <assert.h>
  32 #include <sys/stat.h>
  33 #include <fcntl.h>
  34 #include <stdio.h>
  35 #include <signal.h>
  36 #include <stdlib.h>
  37
  38 #include <dbus/dbus.h>
  39
  40 #include <avahi-common/dbus.h>
  41 #include <avahi-common/llist.h>
  42 #include <avahi-common/malloc.h>
  43 #include <avahi-common/dbus.h>
  44 #include <avahi-common/dbus-watch-glue.h>
  45 #include <avahi-common/alternative.h>
  46 #include <avahi-common/error.h>
  47
  48 #include <avahi-core/log.h>
  49 #include <avahi-core/core.h>
  50 #include <avahi-core/lookup.h>
  51 #include <avahi-core/publish.h>
  52
  53 #include "dbus-protocol.h"
  54 #include "main.h"
  55
  56 typedef struct Server Server;
  57 typedef struct Client Client;
  58 typedef struct EntryGroupInfo EntryGroupInfo;
  59 typedef struct SyncHostNameResolverInfo SyncHostNameResolverInfo;
  60 typedef struct AsyncHostNameResolverInfo AsyncHostNameResolverInfo;
  61 typedef struct SyncAddressResolverInfo SyncAddressResolverInfo;
  62 typedef struct AsyncAddressResolverInfo AsyncAddressResolverInfo;
  63 typedef struct DomainBrowserInfo DomainBrowserInfo;
  64 typedef struct ServiceTypeBrowserInfo ServiceTypeBrowserInfo;
  65 typedef struct ServiceBrowserInfo ServiceBrowserInfo;
  66 typedef struct SyncServiceResolverInfo SyncServiceResolverInfo;
  67 typedef struct AsyncServiceResolverInfo AsyncServiceResolverInfo;
  68
  69 #define MAX_CLIENTS 20
  70 #define MAX_OBJECTS_PER_CLIENT 50
  71 #define MAX_ENTRIES_PER_ENTRY_GROUP 20
  72
  73 /* #define VALGRIND_WORKAROUND 1 */
  74
  75 struct EntryGroupInfo {
  76     unsigned id;
  77     Client *client;
  78     AvahiSEntryGroup *entry_group;
  79     char *path;
  80
  81     int n_entries;
  82
  83     AVAHI_LLIST_FIELDS(EntryGroupInfo, entry_groups);
  84 };
  85
  86 struct SyncHostNameResolverInfo {
  87     Client *client;
  88     AvahiSHostNameResolver *host_name_resolver;
  89     DBusMessage *message;
  90
  91     AVAHI_LLIST_FIELDS(SyncHostNameResolverInfo, sync_host_name_resolvers);
  92 };
  93
  94 struct AsyncHostNameResolverInfo {
  95     unsigned id;
  96     Client *client;
  97     AvahiSHostNameResolver *host_name_resolver;
  98     char *path;
  99
 100     AVAHI_LLIST_FIELDS(AsyncHostNameResolverInfo, async_host_name_resolvers);
 101 };
 102
 103 struct SyncAddressResolverInfo {
 104     Client *client;
 105     AvahiSAddressResolver *address_resolver;
 106     DBusMessage *message;
 107
 108     AVAHI_LLIST_FIELDS(SyncAddressResolverInfo, sync_address_resolvers);
 109 };
 110
 111 struct AsyncAddressResolverInfo {
 112     unsigned id;
 113     Client *client;
 114     AvahiSAddressResolver *address_resolver;
 115     char *path;
 116
 117     AVAHI_LLIST_FIELDS(AsyncAddressResolverInfo, async_address_resolvers);
 118 };
 119
 120 struct DomainBrowserInfo {
 121     unsigned id;
 122     Client *client;
 123     AvahiSDomainBrowser *domain_browser;
 124     char *path;
 125
 126     AVAHI_LLIST_FIELDS(DomainBrowserInfo, domain_browsers);
 127 };
 128
 129 struct ServiceTypeBrowserInfo {
 130     unsigned id;
 131     Client *client;
 132     AvahiSServiceTypeBrowser *service_type_browser;
 133     char *path;
 134
 135     AVAHI_LLIST_FIELDS(ServiceTypeBrowserInfo, service_type_browsers);
 136 };
 137
 138 struct ServiceBrowserInfo {
 139     unsigned id;
 140     Client *client;
 141     AvahiSServiceBrowser *service_browser;
 142     char *path;
 143
 144     AVAHI_LLIST_FIELDS(ServiceBrowserInfo, service_browsers);
 145 };
 146
 147 struct SyncServiceResolverInfo {
 148     Client *client;
 149     AvahiSServiceResolver *service_resolver;
 150     DBusMessage *message;
 151
 152     AVAHI_LLIST_FIELDS(SyncServiceResolverInfo, sync_service_resolvers);
 153 };
 154
 155 struct AsyncServiceResolverInfo {
 156     unsigned id;
 157     Client *client;
 158     AvahiSServiceResolver *service_resolver;
 159     char *path;
 160
 161     AVAHI_LLIST_FIELDS(AsyncServiceResolverInfo, async_service_resolvers);
 162 };
 163
 164 struct Client {
 165     unsigned id;
 166     char *name;
 167     unsigned current_id;
 168     int n_objects;
 169
 170     AVAHI_LLIST_FIELDS(Client, clients);
 171     AVAHI_LLIST_HEAD(EntryGroupInfo, entry_groups);
 172     AVAHI_LLIST_HEAD(SyncHostNameResolverInfo, sync_host_name_resolvers);
 173     AVAHI_LLIST_HEAD(AsyncHostNameResolverInfo, async_host_name_resolvers);
 174     AVAHI_LLIST_HEAD(SyncAddressResolverInfo, sync_address_resolvers);
 175     AVAHI_LLIST_HEAD(AsyncAddressResolverInfo, async_address_resolvers);
 176     AVAHI_LLIST_HEAD(DomainBrowserInfo, domain_browsers);
 177     AVAHI_LLIST_HEAD(ServiceTypeBrowserInfo, service_type_browsers);
 178     AVAHI_LLIST_HEAD(ServiceBrowserInfo, service_browsers);
 179     AVAHI_LLIST_HEAD(SyncServiceResolverInfo, sync_service_resolvers);
 180     AVAHI_LLIST_HEAD(AsyncServiceResolverInfo, async_service_resolvers);
 181 };
 182
 183 struct Server {
 184     DBusConnection *bus;
 185     AVAHI_LLIST_HEAD(Client, clients);
 186     int n_clients;
 187     unsigned current_id;
 188 };
 189
 190 static Server *server = NULL;
 191
 192 static void entry_group_free(EntryGroupInfo *i) {
 193     assert(i);
 194
 195     if (i->entry_group)
 196         avahi_s_entry_group_free(i->entry_group);
 197     dbus_connection_unregister_object_path(server->bus, i->path);
 198     avahi_free(i->path);
 199     AVAHI_LLIST_REMOVE(EntryGroupInfo, entry_groups, i->client->entry_groups, i);
 200
 201     i->client->n_objects--;
 202     assert(i->client->n_objects >= 0);
 203
 204     avahi_free(i);
 205 }
 206
 207 static void sync_host_name_resolver_free(SyncHostNameResolverInfo *i) {
 208     assert(i);
 209
 210     if (i->host_name_resolver)
 211         avahi_s_host_name_resolver_free(i->host_name_resolver);
 212     dbus_message_unref(i->message);
 213     AVAHI_LLIST_REMOVE(SyncHostNameResolverInfo, sync_host_name_resolvers, i->client->sync_host_name_resolvers, i);
 214
 215     i->client->n_objects--;
 216     assert(i->client->n_objects >= 0);
 217
 218     avahi_free(i);
 219 }
 220
 221 static void async_host_name_resolver_free(AsyncHostNameResolverInfo *i) {
 222     assert(i);
 223
 224     if (i->host_name_resolver)
 225         avahi_s_host_name_resolver_free(i->host_name_resolver);
 226     dbus_connection_unregister_object_path(server->bus, i->path);
 227     AVAHI_LLIST_REMOVE(AsyncHostNameResolverInfo, async_host_name_resolvers, i->client->async_host_name_resolvers, i);
 228
 229     i->client->n_objects--;
 230     assert(i->client->n_objects >= 0);
 231
 232     avahi_free(i);
 233 }
 234
 235 static void sync_address_resolver_free(SyncAddressResolverInfo *i) {
 236     assert(i);
 237
 238     if (i->address_resolver)
 239         avahi_s_address_resolver_free(i->address_resolver);
 240     dbus_message_unref(i->message);
 241     AVAHI_LLIST_REMOVE(SyncAddressResolverInfo, sync_address_resolvers, i->client->sync_address_resolvers, i);
 242
 243     i->client->n_objects--;
 244     assert(i->client->n_objects >= 0);
 245
 246     avahi_free(i);
 247 }
 248
 249 static void async_address_resolver_free(AsyncAddressResolverInfo *i) {
 250     assert(i);
 251
 252     if (i->address_resolver)
 253         avahi_s_address_resolver_free(i->address_resolver);
 254     dbus_connection_unregister_object_path(server->bus, i->path);
 255     AVAHI_LLIST_REMOVE(AsyncAddressResolverInfo, async_address_resolvers, i->client->async_address_resolvers, i);
 256
 257     i->client->n_objects--;
 258     assert(i->client->n_objects >= 0);
 259
 260     avahi_free(i);
 261 }
 262
 263 static void domain_browser_free(DomainBrowserInfo *i) {
 264     assert(i);
 265
 266     if (i->domain_browser)
 267         avahi_s_domain_browser_free(i->domain_browser);
 268     dbus_connection_unregister_object_path(server->bus, i->path);
 269     avahi_free(i->path);
 270     AVAHI_LLIST_REMOVE(DomainBrowserInfo, domain_browsers, i->client->domain_browsers, i);
 271
 272     i->client->n_objects--;
 273     assert(i->client->n_objects >= 0);
 274
 275     avahi_free(i);
 276 }
 277
 278 static void service_type_browser_free(ServiceTypeBrowserInfo *i) {
 279     assert(i);
 280
 281     if (i->service_type_browser)
 282         avahi_s_service_type_browser_free(i->service_type_browser);
 283     dbus_connection_unregister_object_path(server->bus, i->path);
 284     avahi_free(i->path);
 285     AVAHI_LLIST_REMOVE(ServiceTypeBrowserInfo, service_type_browsers, i->client->service_type_browsers, i);
 286
 287     i->client->n_objects--;
 288     assert(i->client->n_objects >= 0);
 289
 290     avahi_free(i);
 291 }
 292
 293 static void service_browser_free(ServiceBrowserInfo *i) {
 294     assert(i);
 295
 296     if (i->service_browser)
 297         avahi_s_service_browser_free(i->service_browser);
 298     dbus_connection_unregister_object_path(server->bus, i->path);
 299     avahi_free(i->path);
 300     AVAHI_LLIST_REMOVE(ServiceBrowserInfo, service_browsers, i->client->service_browsers, i);
 301
 302     i->client->n_objects--;
 303     assert(i->client->n_objects >= 0);
 304
 305     avahi_free(i);
 306 }
 307
 308 static void sync_service_resolver_free(SyncServiceResolverInfo *i) {
 309     assert(i);
 310
 311     if (i->service_resolver)
 312         avahi_s_service_resolver_free(i->service_resolver);
 313     dbus_message_unref(i->message);
 314     AVAHI_LLIST_REMOVE(SyncServiceResolverInfo, sync_service_resolvers, i->client->sync_service_resolvers, i);
 315
 316     i->client->n_objects--;
 317     assert(i->client->n_objects >= 0);
 318
 319     avahi_free(i);
 320 }
 321
 322 static void async_service_resolver_free(AsyncServiceResolverInfo *i) {
 323     assert(i);
 324
 325     if (i->service_resolver)
 326         avahi_s_service_resolver_free(i->service_resolver);
 327
 328     dbus_connection_unregister_object_path(server->bus, i->path);
 329     AVAHI_LLIST_REMOVE(AsyncServiceResolverInfo, async_service_resolvers, i->client->async_service_resolvers, i);
 330
 331     i->client->n_objects--;
 332     assert(i->client->n_objects >= 0);
 333
 334     avahi_free(i);
 335 }
 336
 337 static void client_free(Client *c) {
 338
 339     assert(server);
 340     assert(c);
 341
 342     while (c->entry_groups)
 343         entry_group_free(c->entry_groups);
 344
 345     while (c->sync_host_name_resolvers)
 346         sync_host_name_resolver_free(c->sync_host_name_resolvers);
 347
 348     while (c->async_host_name_resolvers)
 349         async_host_name_resolver_free(c->async_host_name_resolvers);
 350
 351     while (c->sync_address_resolvers)
 352         sync_address_resolver_free(c->sync_address_resolvers);
 353
 354     while (c->async_address_resolvers)
 355         async_address_resolver_free(c->async_address_resolvers);
 356
 357     while (c->domain_browsers)
 358         domain_browser_free(c->domain_browsers);
 359
 360     while (c->service_type_browsers)
 361         service_type_browser_free(c->service_type_browsers);
 362
 363     while (c->service_browsers)
 364         service_browser_free(c->service_browsers);
 365
 366     while (c->sync_service_resolvers)
 367         sync_service_resolver_free(c->sync_service_resolvers);
 368
 369     while (c->async_service_resolvers)
 370         async_service_resolver_free(c->async_service_resolvers);
 371
 372     assert(c->n_objects == 0);
 373
 374     avahi_free(c->name);
 375     AVAHI_LLIST_REMOVE(Client, clients, server->clients, c);
 376     avahi_free(c);
 377
 378     server->n_clients --;
 379     assert(server->n_clients >= 0);
 380 }
 381
 382 static Client *client_get(const char *name, int create) {
 383     Client *client;
 384
 385     assert(server);
 386     assert(name);
 387
 388     for (client = server->clients; client; client = client->clients_next)
 389         if (!strcmp(name, client->name))
 390             return client;
 391
 392     if (!create)
 393         return NULL;
 394
 395     if (server->n_clients >= MAX_CLIENTS)
 396         return NULL;
 397
 398     /* If not existant yet, create a new entry */
 399     client = avahi_new(Client, 1);
 400     client->id = server->current_id++;
 401     client->name = avahi_strdup(name);
 402     client->current_id = 0;
 403     client->n_objects = 0;
 404
 405     AVAHI_LLIST_HEAD_INIT(EntryGroupInfo, client->entry_groups);
 406     AVAHI_LLIST_HEAD_INIT(SyncHostNameResolverInfo, client->sync_host_name_resolvers);
 407     AVAHI_LLIST_HEAD_INIT(AsyncHostNameResolverInfo, client->async_host_name_resolvers);
 408     AVAHI_LLIST_HEAD_INIT(SyncAddressResolverInfo, client->sync_address_resolvers);
 409     AVAHI_LLIST_HEAD_INIT(AsyncAddressResolverInfo, client->async_address_resolvers);
 410     AVAHI_LLIST_HEAD_INIT(DomainBrowserInfo, client->domain_browsers);
 411     AVAHI_LLIST_HEAD_INIT(ServiceTypeBrowserInfo, client->service_type_browsers);
 412     AVAHI_LLIST_HEAD_INIT(ServiceBrowserInfo, client->service_browsers);
 413     AVAHI_LLIST_HEAD_INIT(SyncServiceResolverInfo, client->sync_service_resolvers);
 414     AVAHI_LLIST_HEAD_INIT(AsyncServiceResolverInfo, client->async_service_resolvers);
 415
 416     AVAHI_LLIST_PREPEND(Client, clients, server->clients, client);
 417
 418     server->n_clients++;
 419     assert(server->n_clients > 0);
 420
 421     return client;
 422 }
 423
 424 static DBusHandlerResult respond_error(DBusConnection *c, DBusMessage *m, int error, const char *text) {
 425     DBusMessage *reply;
 426
 427     assert(-error > -AVAHI_OK);
 428     assert(-error < -AVAHI_ERR_MAX);
 429
 430     if (!text)
 431         text = avahi_strerror(error);
 432
 433     reply = dbus_message_new_error(m, avahi_error_number_to_dbus (error), text);
 434     dbus_connection_send(c, reply, NULL);
 435     dbus_message_unref(reply);
 436
 437     avahi_log_debug(__FILE__": Responding error '%s' (%i)", text, error);
 438
 439     return DBUS_HANDLER_RESULT_HANDLED;
 440 }
 441
 442 static DBusHandlerResult respond_string(DBusConnection *c, DBusMessage *m, const char *text) {
 443     DBusMessage *reply;
 444
 445     reply = dbus_message_new_method_return(m);
 446     dbus_message_append_args(reply, DBUS_TYPE_STRING, &text, DBUS_TYPE_INVALID);
 447     dbus_connection_send(c, reply, NULL);
 448     dbus_message_unref(reply);
 449
 450     return DBUS_HANDLER_RESULT_HANDLED;
 451 }
 452
 453 static DBusHandlerResult respond_int32(DBusConnection *c, DBusMessage *m, int32_t i) {
 454     DBusMessage *reply;
 455
 456     reply = dbus_message_new_method_return(m);
 457     dbus_message_append_args(reply, DBUS_TYPE_INT32, &i, DBUS_TYPE_INVALID);
 458     dbus_connection_send(c, reply, NULL);
 459     dbus_message_unref(reply);
 460
 461     return DBUS_HANDLER_RESULT_HANDLED;
 462 }
 463
 464 static DBusHandlerResult respond_uint32(DBusConnection *c, DBusMessage *m, uint32_t u) {
 465     DBusMessage *reply;
 466
 467     reply = dbus_message_new_method_return(m);
 468     dbus_message_append_args(reply, DBUS_TYPE_UINT32, &u, DBUS_TYPE_INVALID);
 469     dbus_connection_send(c, reply, NULL);
 470     dbus_message_unref(reply);
 471
 472     return DBUS_HANDLER_RESULT_HANDLED;
 473 }
 474
 475 static DBusHandlerResult respond_boolean(DBusConnection *c, DBusMessage *m, int b) {
 476     DBusMessage *reply;
 477
 478     reply = dbus_message_new_method_return(m);
 479     dbus_message_append_args(reply, DBUS_TYPE_BOOLEAN, &b, DBUS_TYPE_INVALID);
 480     dbus_connection_send(c, reply, NULL);
 481     dbus_message_unref(reply);
 482
 483     return DBUS_HANDLER_RESULT_HANDLED;
 484 }
 485
 486 static DBusHandlerResult respond_ok(DBusConnection *c, DBusMessage *m) {
 487     DBusMessage *reply;
 488
 489     reply = dbus_message_new_method_return(m);
 490     dbus_connection_send(c, reply, NULL);
 491     dbus_message_unref(reply);
 492
 493     return DBUS_HANDLER_RESULT_HANDLED;
 494 }
 495
 496 static DBusHandlerResult respond_path(DBusConnection *c, DBusMessage *m, const char *path) {
 497     DBusMessage *reply;
 498
 499     reply = dbus_message_new_method_return(m);
 500     dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID);
 501     dbus_connection_send(c, reply, NULL);
 502     dbus_message_unref(reply);
 503
 504     return DBUS_HANDLER_RESULT_HANDLED;
 505 }
 506
 507 static char *file_get_contents(char *fname) {
 508     int fd = -1;
 509     struct stat st;
 510     ssize_t size;
 511     char *buf = NULL;
 512
 513     assert(fname);
 514
 515     if (!(fd = open(fname, O_RDONLY))) {
 516         avahi_log_error("Failed to open %s: %s", fname, strerror(errno));
 517         goto fail;
 518     }
 519
 520     if (fstat(fd, &st) < 0) {
 521         avahi_log_error("stat(%s) failed: %s", fname, strerror(errno));
 522         goto fail;
 523     }
 524
 525     if (!(S_ISREG(st.st_mode))) {
 526         avahi_log_error("Invalid file %s", fname);
 527         goto fail;
 528     }
 529
 530     if (st.st_size > 1024*1024) { /** 1MB */
 531         avahi_log_error("File too large %s", fname);
 532         goto fail;
 533     }
 534
 535     buf = avahi_new(char, st.st_size+1);
 536
 537     if ((size = read(fd, buf, st.st_size)) < 0) {
 538         avahi_log_error("read() failed: %s\n", strerror(errno));
 539         goto fail;
 540     }
 541
 542     buf[size] = 0;
 543
 544     close(fd);
 545     return buf;
 546
 547 fail:
 548     if (fd >= 0)
 549         close(fd);
 550
 551     if (buf)
 552         avahi_free(buf);
 553
 554     return NULL;
 555
 556 }
 557
 558 static const char *map_browse_signal_name(AvahiBrowserEvent e) {
 559     switch (e) {
 560         case AVAHI_BROWSER_NEW : return "ItemNew";
 561         case AVAHI_BROWSER_REMOVE : return "ItemRemove";
 562         case AVAHI_BROWSER_FAILURE : return "Failure";
 563         case AVAHI_BROWSER_NOT_FOUND : return "NotFound";
 564         case AVAHI_BROWSER_CACHE_EXHAUSTED : return "CacheExhausted";
 565         case AVAHI_BROWSER_ALL_FOR_NOW : return "AllForNow";
 566     }
 567
 568     abort();
 569 }
 570
 571 static const char *map_resolve_signal_name(AvahiResolverEvent e) {
 572     switch (e) {
 573         case AVAHI_RESOLVER_FOUND : return "Found";
 574         case AVAHI_RESOLVER_TIMEOUT : return "Timeout";
 575         case AVAHI_RESOLVER_FAILURE : return "Failure";
 576         case AVAHI_RESOLVER_NOT_FOUND : return "NotFound";
 577     }
 578
 579     abort();
 580 }
 581
 582 static int map_resolve_error(AvahiResolverEvent e) {
 583
 584     switch(e) {
 585         case AVAHI_RESOLVER_FOUND : abort();
 586         case AVAHI_RESOLVER_TIMEOUT : return AVAHI_ERR_TIMEOUT;
 587         case AVAHI_RESOLVER_FAILURE : return AVAHI_ERR_FAILURE;
 588         case AVAHI_RESOLVER_NOT_FOUND : return AVAHI_ERR_NOT_FOUND;
 589     }
 590
 591     abort();
 592 }
 593
 594 static DBusHandlerResult handle_introspect(DBusConnection *c, DBusMessage *m, const char *fname) {
 595     char *path, *contents;
 596     DBusError error;
 597
 598     assert(c);
 599     assert(m);
 600     assert(fname);
 601
 602     dbus_error_init(&error);
 603
 604     if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
 605         avahi_log_error("Error parsing Introspect message: %s", error.message);
 606         goto fail;
 607     }
 608
 609     path = avahi_strdup_printf("%s/%s", AVAHI_DBUS_INTROSPECTION_DIR, fname);
 610     contents = file_get_contents(path);
 611     avahi_free(path);
 612
 613     if (!contents) {
 614         avahi_log_error("Failed to load introspection data.");
 615         goto fail;
 616     }
 617
 618     respond_string(c, m, contents);
 619     avahi_free(contents);
 620
 621     return DBUS_HANDLER_RESULT_HANDLED;
 622
 623 fail:
 624     if (dbus_error_is_set(&error))
 625         dbus_error_free(&error);
 626
 627     return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 628
 629 }
 630
 631 static DBusHandlerResult msg_signal_filter_impl(DBusConnection *c, DBusMessage *m, void *userdata) {
 632     DBusError error;
 633
 634     dbus_error_init(&error);
 635
 636 /*     avahi_log_debug(__FILE__": interface=%s, path=%s, member=%s", */
 637 /*                     dbus_message_get_interface(m), */
 638 /*                     dbus_message_get_path(m), */
 639 /*                     dbus_message_get_member(m)); */
 640
 641     if (dbus_message_is_signal(m, DBUS_INTERFACE_LOCAL, "Disconnected")) {
 642         /* No, we shouldn't quit, but until we get somewhere
 643          * usefull such that we can restore our state, we will */
 644         avahi_log_warn("Disconnnected from D-BUS, terminating...");
 645
 646         raise(SIGQUIT); /* The signal handler will catch this and terminate the process cleanly*/
 647
 648         return DBUS_HANDLER_RESULT_HANDLED;
 649
 650     } else if (dbus_message_is_signal(m, DBUS_INTERFACE_DBUS, "NameAcquired")) {
 651         char *name;
 652
 653         if (!dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID)) {
 654             avahi_log_warn("Error parsing NameAcquired message");
 655             goto fail;
 656         }
 657
 658 /*         avahi_log_info(__FILE__": name acquired (%s)", name); */
 659         return DBUS_HANDLER_RESULT_HANDLED;
 660
 661     } else if (dbus_message_is_signal(m, DBUS_INTERFACE_DBUS, "NameOwnerChanged")) {
 662         char *name, *old, *new;
 663
 664         if (!dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &name, DBUS_TYPE_STRING, &old, DBUS_TYPE_STRING, &new, DBUS_TYPE_INVALID)) {
 665             avahi_log_warn("Error parsing NameOwnerChanged message");
 666             goto fail;
 667         }
 668
 669         if (!*new) {
 670             Client *client;
 671
 672             if ((client = client_get(name, FALSE))) {
 673                 avahi_log_debug(__FILE__": client %s vanished.", name);
 674                 client_free(client);
 675             }
 676         }
 677     }
 678
 679 fail:
 680     if (dbus_error_is_set(&error))
 681         dbus_error_free(&error);
 682
 683     return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 684 }
 685
 686 static void entry_group_callback(AvahiServer *s, AvahiSEntryGroup *g, AvahiEntryGroupState state, void* userdata) {
 687     EntryGroupInfo *i = userdata;
 688     DBusMessage *m;
 689     int32_t t;
 690
 691     assert(s);
 692     assert(g);
 693     assert(i);
 694
 695     m = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "StateChanged");
 696     t = (int32_t) state;
 697     dbus_message_append_args(m, DBUS_TYPE_INT32, &t, DBUS_TYPE_INVALID);
 698     dbus_message_set_destination(m, i->client->name);
 699     dbus_connection_send(server->bus, m, NULL);
 700     dbus_message_unref(m);
 701 }
 702
 703 static DBusHandlerResult msg_entry_group_impl(DBusConnection *c, DBusMessage *m, void *userdata) {
 704     DBusError error;
 705     EntryGroupInfo *i = userdata;
 706
 707     assert(c);
 708     assert(m);
 709     assert(i);
 710
 711     dbus_error_init(&error);
 712
 713     avahi_log_debug(__FILE__": interface=%s, path=%s, member=%s",
 714                     dbus_message_get_interface(m),
 715                     dbus_message_get_path(m),
 716                     dbus_message_get_member(m));
 717
 718     /* Introspection */
 719     if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect"))
 720         return handle_introspect(c, m, "EntryGroup.introspect");
 721
 722     /* Access control */
 723     if (strcmp(dbus_message_get_sender(m), i->client->name))
 724         return respond_error(c, m, AVAHI_ERR_ACCESS_DENIED, NULL);
 725
 726     if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "Free")) {
 727
 728         if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
 729             avahi_log_warn("Error parsing EntryGroup::Free message");
 730             goto fail;
 731         }
 732
 733         entry_group_free(i);
 734         return respond_ok(c, m);
 735
 736     } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "Commit")) {
 737
 738         if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
 739             avahi_log_warn("Error parsing EntryGroup::Commit message");
 740             goto fail;
 741         }
 742
 743         avahi_s_entry_group_commit(i->entry_group);
 744         return respond_ok(c, m);
 745
 746
 747     } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "Reset")) {
 748
 749         if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
 750             avahi_log_warn("Error parsing EntryGroup::Reset message");
 751             goto fail;
 752         }
 753
 754         avahi_s_entry_group_reset(i->entry_group);
 755         return respond_ok(c, m);
 756
 757     } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "IsEmpty")) {
 758         DBusMessage *reply;
 759         int b;
 760
 761         if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
 762             avahi_log_warn("Error parsing EntryGroup::IsEmpty message");
 763             goto fail;
 764         }
 765
 766         b = !!avahi_s_entry_group_is_empty(i->entry_group);
 767
 768         reply = dbus_message_new_method_return(m);
 769         dbus_message_append_args(reply, DBUS_TYPE_BOOLEAN, &b, DBUS_TYPE_INVALID);
 770         dbus_connection_send(c, reply, NULL);
 771         dbus_message_unref(reply);
 772
 773         return DBUS_HANDLER_RESULT_HANDLED;
 774
 775     } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "GetState")) {
 776         AvahiEntryGroupState state;
 777
 778         if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
 779             avahi_log_warn("Error parsing EntryGroup::GetState message");
 780             goto fail;
 781         }
 782
 783         state = avahi_s_entry_group_get_state(i->entry_group);
 784         return respond_int32(c, m, (int32_t) state);
 785
 786     } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "AddService")) {
 787         int32_t interface, protocol;
 788         char *type, *name, *domain, *host;
 789         uint16_t port;
 790         AvahiStringList *strlst;
 791         DBusMessageIter iter, sub;
 792         int j;
 793
 794         if (!dbus_message_get_args(
 795                 m, &error,
 796                 DBUS_TYPE_INT32, &interface,
 797                 DBUS_TYPE_INT32, &protocol,
 798                 DBUS_TYPE_STRING, &name,
 799                 DBUS_TYPE_STRING, &type,
 800                 DBUS_TYPE_STRING, &domain,
 801                 DBUS_TYPE_STRING, &host,
 802                 DBUS_TYPE_UINT16, &port,
 803                 DBUS_TYPE_INVALID) || !type || !name) {
 804             avahi_log_warn("Error parsing EntryGroup::AddService message");
 805             goto fail;
 806         }
 807
 808         dbus_message_iter_init(m, &iter);
 809
 810         for (j = 0; j < 7; j++)
 811             dbus_message_iter_next(&iter);
 812
 813         if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
 814             dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_ARRAY) {
 815             avahi_log_warn("Error parsing EntryGroup::AddService message 2");
 816             goto fail;
 817         }
 818
 819         strlst = NULL;
 820         dbus_message_iter_recurse(&iter, &sub);
 821
 822         for (;;) {
 823             DBusMessageIter sub2;
 824             int at, n;
 825             uint8_t *k;
 826
 827             if ((at = dbus_message_iter_get_arg_type(&sub)) == DBUS_TYPE_INVALID)
 828                 break;
 829
 830             assert(at == DBUS_TYPE_ARRAY);
 831
 832             if (dbus_message_iter_get_element_type(&sub) != DBUS_TYPE_BYTE) {
 833                 avahi_log_warn("Error parsing EntryGroup::AddService message");
 834                 goto fail;
 835             }
 836
 837             dbus_message_iter_recurse(&sub, &sub2);
 838             dbus_message_iter_get_fixed_array(&sub2, &k, &n);
 839             strlst = avahi_string_list_add_arbitrary(strlst, k, n);
 840
 841             dbus_message_iter_next(&sub);
 842         }
 843
 844         if (i->n_entries >= MAX_ENTRIES_PER_ENTRY_GROUP) {
 845             avahi_string_list_free(strlst);
 846             avahi_log_warn("Too many entries per entry group, client request failed.");
 847             return respond_error(c, m, AVAHI_ERR_TOO_MANY_ENTRIES, NULL);
 848         }
 849
 850         if (domain && !*domain)
 851             domain = NULL;
 852
 853         if (host && !*host)
 854             host = NULL;
 855
 856         if (avahi_server_add_service_strlst(avahi_server, i->entry_group, (AvahiIfIndex) interface, (AvahiProtocol) protocol, name, type, domain, host, port, strlst) < 0) {
 857             avahi_string_list_free(strlst);
 858             return respond_error(c, m, avahi_server_errno(avahi_server), NULL);
 859         } else
 860             i->n_entries ++;
 861
 862         avahi_string_list_free(strlst);
 863
 864         return respond_ok(c, m);
 865
 866     } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "AddAddress")) {
 867         int32_t interface, protocol;
 868         char *name, *address;
 869         AvahiAddress a;
 870
 871         if (!dbus_message_get_args(
 872                 m, &error,
 873                 DBUS_TYPE_INT32, &interface,
 874                 DBUS_TYPE_INT32, &protocol,
 875                 DBUS_TYPE_STRING, &name,
 876                 DBUS_TYPE_STRING, &address,
 877                 DBUS_TYPE_INVALID) || !name || !address) {
 878             avahi_log_warn("Error parsing EntryGroup::AddAddress message");
 879             goto fail;
 880         }
 881
 882         if (i->n_entries >= MAX_ENTRIES_PER_ENTRY_GROUP) {
 883             avahi_log_warn("Too many entries per entry group, client request failed.");
 884             return respond_error(c, m, AVAHI_ERR_TOO_MANY_ENTRIES, NULL);
 885         }
 886
 887         if (!(avahi_address_parse(address, AVAHI_PROTO_UNSPEC, &a))) {
 888             return respond_error(c, m, AVAHI_ERR_INVALID_ADDRESS, NULL);
 889         }
 890
 891         if (avahi_server_add_address(avahi_server, i->entry_group, (AvahiIfIndex) interface, (AvahiProtocol) protocol, 0, name, &a) < 0)
 892             return respond_error(c, m, avahi_server_errno(avahi_server), NULL);
 893         else
 894             i->n_entries ++;
 895
 896         return respond_ok(c, m);
 897     }
 898
 899     avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m));
 900
 901 fail:
 902     if (dbus_error_is_set(&error))
 903         dbus_error_free(&error);
 904
 905     return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 906 }
 907
 908 static void sync_host_name_resolver_callback(AvahiSHostNameResolver *r, AvahiIfIndex interface, AvahiProtocol protocol, AvahiResolverEvent event, const char *host_name, const AvahiAddress *a, AvahiLookupResultFlags flags, void* userdata) {
 909     SyncHostNameResolverInfo *i = userdata;
 910
 911     assert(r);
 912     assert(host_name);
 913     assert(i);
 914
 915     if (event == AVAHI_RESOLVER_FOUND) {
 916         char t[256], *pt = t;
 917         int32_t i_interface, i_protocol, i_aprotocol, i_flags;
 918         DBusMessage *reply;
 919
 920         assert(a);
 921         avahi_address_snprint(t, sizeof(t), a);
 922
 923         i_interface = (int32_t) interface;
 924         i_protocol = (int32_t) protocol;
 925         i_aprotocol = (int32_t) a->proto;
 926         i_flags = (int32_t) flags;
 927
 928         reply = dbus_message_new_method_return(i->message);
 929         dbus_message_append_args(
 930             reply,
 931             DBUS_TYPE_INT32, &i_interface,
 932             DBUS_TYPE_INT32, &i_protocol,
 933             DBUS_TYPE_STRING, &host_name,
 934             DBUS_TYPE_INT32, &i_aprotocol,
 935             DBUS_TYPE_STRING, &pt,
 936             DBUS_TYPE_INT32, &i_flags,
 937             DBUS_TYPE_INVALID);
 938
 939         dbus_connection_send(server->bus, reply, NULL);
 940         dbus_message_unref(reply);
 941     } else
 942         respond_error(server->bus, i->message, map_resolve_error(event), NULL);
 943
 944     sync_host_name_resolver_free(i);
 945 }
 946
 947 static void sync_address_resolver_callback(AvahiSAddressResolver *r, AvahiIfIndex interface, AvahiProtocol protocol, AvahiResolverEvent event, const AvahiAddress *address, const char *host_name, AvahiLookupResultFlags flags, void* userdata) {
 948     SyncAddressResolverInfo *i = userdata;
 949
 950     assert(r);
 951     assert(address);
 952     assert(i);
 953
 954     if (event == AVAHI_RESOLVER_FOUND) {
 955         char t[256], *pt = t;
 956         int32_t i_interface, i_protocol, i_aprotocol, i_flags;
 957         DBusMessage *reply;
 958
 959         assert(host_name);
 960         avahi_address_snprint(t, sizeof(t), address);
 961
 962         i_interface = (int32_t) interface;
 963         i_protocol = (int32_t) protocol;
 964         i_aprotocol = (int32_t) address->proto;
 965         i_flags = (int32_t) flags;
 966
 967         reply = dbus_message_new_method_return(i->message);
 968         dbus_message_append_args(
 969             reply,
 970             DBUS_TYPE_INT32, &i_interface,
 971             DBUS_TYPE_INT32, &i_protocol,
 972             DBUS_TYPE_INT32, &i_aprotocol,
 973             DBUS_TYPE_STRING, &pt,
 974             DBUS_TYPE_STRING, &host_name,
 975             DBUS_TYPE_INT32, &i_flags,
 976             DBUS_TYPE_INVALID);
 977
 978         dbus_connection_send(server->bus, reply, NULL);
 979         dbus_message_unref(reply);
 980     } else
 981         respond_error(server->bus, i->message, map_resolve_error(event), NULL);
 982
 983     sync_address_resolver_free(i);
 984 }
 985
 986 static DBusHandlerResult msg_domain_browser_impl(DBusConnection *c, DBusMessage *m, void *userdata) {
 987     DBusError error;
 988     DomainBrowserInfo *i = userdata;
 989
 990     assert(c);
 991     assert(m);
 992     assert(i);
 993
 994     dbus_error_init(&error);
 995
 996     avahi_log_debug(__FILE__": interface=%s, path=%s, member=%s",
 997                     dbus_message_get_interface(m),
 998                     dbus_message_get_path(m),
 999                     dbus_message_get_member(m));
1000
1001     /* Introspection */
1002     if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect"))
1003         return handle_introspect(c, m, "DomainBrowser.introspect");
1004
1005     /* Access control */
1006     if (strcmp(dbus_message_get_sender(m), i->client->name))
1007         return respond_error(c, m, AVAHI_ERR_ACCESS_DENIED, NULL);
1008
1009     if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_DOMAIN_BROWSER, "Free")) {
1010
1011         if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
1012             avahi_log_warn("Error parsing DomainBrowser::Free message");
1013             goto fail;
1014         }
1015
1016         domain_browser_free(i);
1017         return respond_ok(c, m);
1018
1019     }
1020
1021     avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m));
1022
1023 fail:
1024     if (dbus_error_is_set(&error))
1025         dbus_error_free(&error);
1026
1027     return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1028 }
1029
1030 static void domain_browser_callback(AvahiSDomainBrowser *b, AvahiIfIndex interface, AvahiProtocol protocol, AvahiBrowserEvent event, const char *domain, AvahiLookupResultFlags flags,  void* userdata) {
1031     DomainBrowserInfo *i = userdata;
1032     DBusMessage *m;
1033     int32_t i_interface, i_protocol, i_flags;
1034
1035     assert(b);
1036     assert(i);
1037
1038     i_interface = (int32_t) interface;
1039     i_protocol = (int32_t) protocol;
1040     i_flags = (int32_t) flags;
1041
1042     m = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_DOMAIN_BROWSER, map_browse_signal_name(event));
1043
1044     if (event == AVAHI_BROWSER_NEW || event == AVAHI_BROWSER_REMOVE) {
1045         assert(domain);
1046         dbus_message_append_args(
1047             m,
1048             DBUS_TYPE_INT32, &i_interface,
1049             DBUS_TYPE_INT32, &i_protocol,
1050             DBUS_TYPE_STRING, &domain,
1051             DBUS_TYPE_INT32, &i_flags,
1052             DBUS_TYPE_INVALID);
1053     }
1054
1055     dbus_message_set_destination(m, i->client->name);
1056     dbus_connection_send(server->bus, m, NULL);
1057     dbus_message_unref(m);
1058 }
1059
1060 static DBusHandlerResult msg_service_type_browser_impl(DBusConnection *c, DBusMessage *m, void *userdata) {
1061     DBusError error;
1062     ServiceTypeBrowserInfo *i = userdata;
1063
1064     assert(c);
1065     assert(m);
1066     assert(i);
1067
1068     dbus_error_init(&error);
1069
1070     avahi_log_debug(__FILE__": interface=%s, path=%s, member=%s",
1071                     dbus_message_get_interface(m),
1072                     dbus_message_get_path(m),
1073                     dbus_message_get_member(m));
1074
1075     /* Introspection */
1076     if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect"))
1077         return handle_introspect(c, m, "ServiceTypeBrowser.introspect");
1078
1079     /* Access control */
1080     if (strcmp(dbus_message_get_sender(m), i->client->name))
1081         return respond_error(c, m, AVAHI_ERR_ACCESS_DENIED, NULL);
1082
1083     if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVICE_TYPE_BROWSER, "Free")) {
1084
1085         if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
1086             avahi_log_warn("Error parsing ServiceTypeBrowser::Free message");
1087             goto fail;
1088         }
1089
1090         service_type_browser_free(i);
1091         return respond_ok(c, m);
1092
1093     }
1094
1095     avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m));
1096
1097 fail:
1098     if (dbus_error_is_set(&error))
1099         dbus_error_free(&error);
1100
1101     return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1102 }
1103
1104 static void service_type_browser_callback(AvahiSServiceTypeBrowser *b, AvahiIfIndex interface, AvahiProtocol protocol, AvahiBrowserEvent event, const char *type, const char *domain, AvahiLookupResultFlags flags, void* userdata) {
1105     ServiceTypeBrowserInfo *i = userdata;
1106     DBusMessage *m;
1107     int32_t i_interface, i_protocol, i_flags;
1108
1109     assert(b);
1110     assert(i);
1111
1112     i_interface = (int32_t) interface;
1113     i_protocol = (int32_t) protocol;
1114     i_flags = (int32_t) flags;
1115
1116     m = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_SERVICE_TYPE_BROWSER, map_browse_signal_name(event));
1117
1118     if (event == AVAHI_BROWSER_NEW || event == AVAHI_BROWSER_REMOVE) {
1119         assert(type);
1120         assert(domain);
1121         dbus_message_append_args(
1122             m,
1123             DBUS_TYPE_INT32, &i_interface,
1124             DBUS_TYPE_INT32, &i_protocol,
1125             DBUS_TYPE_STRING, &type,
1126             DBUS_TYPE_STRING, &domain,
1127             DBUS_TYPE_INT32, &i_flags,
1128             DBUS_TYPE_INVALID);
1129     }
1130
1131     dbus_message_set_destination(m, i->client->name);
1132     dbus_connection_send(server->bus, m, NULL);
1133     dbus_message_unref(m);
1134 }
1135
1136 static DBusHandlerResult msg_service_browser_impl(DBusConnection *c, DBusMessage *m, void *userdata) {
1137     DBusError error;
1138     ServiceBrowserInfo *i = userdata;
1139
1140     assert(c);
1141     assert(m);
1142     assert(i);
1143
1144     dbus_error_init(&error);
1145
1146     avahi_log_debug(__FILE__": interface=%s, path=%s, member=%s",
1147                     dbus_message_get_interface(m),
1148                     dbus_message_get_path(m),
1149                     dbus_message_get_member(m));
1150
1151     /* Introspection */
1152     if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect"))
1153         return handle_introspect(c, m, "ServiceBrowser.Introspect");
1154
1155     /* Access control */
1156     if (strcmp(dbus_message_get_sender(m), i->client->name))
1157         return respond_error(c, m, AVAHI_ERR_ACCESS_DENIED, NULL);
1158
1159     if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVICE_BROWSER, "Free")) {
1160
1161         if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
1162             avahi_log_warn("Error parsing ServiceBrowser::Free message");
1163             goto fail;
1164         }
1165
1166         service_browser_free(i);
1167         return respond_ok(c, m);
1168
1169     }
1170
1171     avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m));
1172
1173 fail:
1174     if (dbus_error_is_set(&error))
1175         dbus_error_free(&error);
1176
1177     return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1178 }
1179
1180 static void service_browser_callback(AvahiSServiceBrowser *b, AvahiIfIndex interface, AvahiProtocol protocol, AvahiBrowserEvent event, const char *name, const char *type, const char *domain, AvahiLookupResultFlags flags, void* userdata) {
1181     ServiceBrowserInfo *i = userdata;
1182     DBusMessage *m;
1183     int32_t i_interface, i_protocol, i_flags;
1184
1185     assert(b);
1186     assert(i);
1187
1188     i_interface = (int32_t) interface;
1189     i_protocol = (int32_t) protocol;
1190     i_flags = (int32_t) flags;
1191
1192     m = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_SERVICE_BROWSER, map_browse_signal_name(event));
1193
1194     if (event == AVAHI_BROWSER_NEW || event == AVAHI_BROWSER_REMOVE) {
1195         assert(name);
1196         assert(type);
1197         assert(domain);
1198
1199         dbus_message_append_args(
1200             m,
1201             DBUS_TYPE_INT32, &i_interface,
1202             DBUS_TYPE_INT32, &i_protocol,
1203             DBUS_TYPE_STRING, &name,
1204             DBUS_TYPE_STRING, &type,
1205             DBUS_TYPE_STRING, &domain,
1206             DBUS_TYPE_INT32, &i_flags,
1207             DBUS_TYPE_INVALID);
1208     }
1209
1210     dbus_message_set_destination(m, i->client->name);
1211     dbus_connection_send(server->bus, m, NULL);
1212     dbus_message_unref(m);
1213 }
1214
1215 static void append_string_list(DBusMessage *reply, AvahiStringList *txt) {
1216     AvahiStringList *p;
1217     DBusMessageIter iter, sub;
1218
1219     assert(reply);
1220
1221     dbus_message_iter_init_append(reply, &iter);
1222     dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "ay", &sub);
1223
1224     for (p = txt; p; p = p->next) {
1225         DBusMessageIter sub2;
1226         const uint8_t *data = p->text;
1227
1228         dbus_message_iter_open_container(&sub, DBUS_TYPE_ARRAY, "y", &sub2);
1229         dbus_message_iter_append_fixed_array(&sub2, DBUS_TYPE_BYTE, &data, p->size);
1230         dbus_message_iter_close_container(&sub, &sub2);
1231
1232     }
1233     dbus_message_iter_close_container(&iter, &sub);
1234 }
1235
1236 static void sync_service_resolver_callback(
1237     AvahiSServiceResolver *r,
1238     AvahiIfIndex interface,
1239     AvahiProtocol protocol,
1240     AvahiResolverEvent event,
1241     const char *name,
1242     const char *type,
1243     const char *domain,
1244     const char *host_name,
1245     const AvahiAddress *a,
1246     uint16_t port,
1247     AvahiStringList *txt,
1248     AvahiLookupResultFlags flags,
1249     void* userdata) {
1250
1251     SyncServiceResolverInfo *i = userdata;
1252
1253     assert(r);
1254     assert(i);
1255
1256     if (event == AVAHI_RESOLVER_FOUND) {
1257         char t[256], *pt = t;
1258         int32_t i_interface, i_protocol, i_aprotocol, i_flags;
1259         DBusMessage *reply;
1260
1261         assert(host_name);
1262
1263         if (!name)
1264             name = "";
1265
1266         assert(a);
1267         avahi_address_snprint(t, sizeof(t), a);
1268
1269         i_interface = (int32_t) interface;
1270         i_protocol = (int32_t) protocol;
1271         i_aprotocol = (int32_t) a->proto;
1272         i_flags = (int32_t) flags;
1273
1274         reply = dbus_message_new_method_return(i->message);
1275         dbus_message_append_args(
1276             reply,
1277             DBUS_TYPE_INT32, &i_interface,
1278             DBUS_TYPE_INT32, &i_protocol,
1279             DBUS_TYPE_STRING, &name,
1280             DBUS_TYPE_STRING, &type,
1281             DBUS_TYPE_STRING, &domain,
1282             DBUS_TYPE_STRING, &host_name,
1283             DBUS_TYPE_INT32, &i_aprotocol,
1284             DBUS_TYPE_STRING, &pt,
1285             DBUS_TYPE_UINT16, &port,
1286             DBUS_TYPE_INVALID);
1287
1288         append_string_list(reply, txt);
1289
1290         dbus_message_append_args(
1291             reply,
1292             DBUS_TYPE_INT32, &i_flags,
1293             DBUS_TYPE_INVALID);
1294
1295         dbus_connection_send(server->bus, reply, NULL);
1296         dbus_message_unref(reply);
1297     } else
1298         respond_error(server->bus, i->message, map_resolve_error(event), NULL);
1299
1300     sync_service_resolver_free(i);
1301 }
1302
1303 static void async_address_resolver_callback(AvahiSAddressResolver *r, AvahiIfIndex interface, AvahiProtocol protocol, AvahiResolverEvent event, const AvahiAddress *address, const char *host_name, AvahiLookupResultFlags flags, void* userdata) {
1304     AsyncAddressResolverInfo *i = userdata;
1305     DBusMessage *reply;
1306
1307     assert(r);
1308     assert(i);
1309
1310     reply = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_ADDRESS_RESOLVER, map_browse_signal_name(event));
1311
1312     if (event == AVAHI_RESOLVER_FOUND) {
1313         char t[256], *pt = t;
1314         int32_t i_interface, i_protocol, i_aprotocol, i_flags;
1315
1316         assert(address);
1317         assert(host_name);
1318         avahi_address_snprint(t, sizeof(t), address);
1319
1320         i_interface = (int32_t) interface;
1321         i_protocol = (int32_t) protocol;
1322         i_aprotocol = (int32_t) address->proto;
1323         i_flags = (int32_t) flags;
1324
1325         dbus_message_append_args(
1326             reply,
1327             DBUS_TYPE_INT32, &i_interface,
1328             DBUS_TYPE_INT32, &i_protocol,
1329             DBUS_TYPE_INT32, &i_aprotocol,
1330             DBUS_TYPE_STRING, &pt,
1331             DBUS_TYPE_STRING, &host_name,
1332             DBUS_TYPE_INT32, &i_flags,
1333             DBUS_TYPE_INVALID);
1334
1335     }
1336
1337     dbus_message_set_destination(reply, i->client->name);
1338     dbus_connection_send(server->bus, reply, NULL);
1339     dbus_message_unref(reply);
1340 }
1341
1342 static DBusHandlerResult msg_async_address_resolver_impl(DBusConnection *c, DBusMessage *m, void *userdata) {
1343     DBusError error;
1344     AsyncAddressResolverInfo *i = userdata;
1345
1346     assert(c);
1347     assert(m);
1348     assert(i);
1349
1350     dbus_error_init(&error);
1351
1352     avahi_log_debug(__FILE__": interface=%s, path=%s, member=%s",
1353                     dbus_message_get_interface(m),
1354                     dbus_message_get_path(m),
1355                     dbus_message_get_member(m));
1356
1357     /* Introspection */
1358     if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect"))
1359         return handle_introspect(c, m, "AddressResolver.Introspect");
1360
1361     /* Access control */
1362     if (strcmp(dbus_message_get_sender(m), i->client->name))
1363         return respond_error(c, m, AVAHI_ERR_ACCESS_DENIED, NULL);
1364
1365     if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ADDRESS_RESOLVER, "Free")) {
1366
1367         if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
1368             avahi_log_warn("Error parsing AddressResolver::Free message");
1369             goto fail;
1370         }
1371
1372         async_address_resolver_free(i);
1373         return respond_ok(c, m);
1374
1375     }
1376
1377     avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m));
1378
1379 fail:
1380     if (dbus_error_is_set(&error))
1381         dbus_error_free(&error);
1382
1383     return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1384 }
1385
1386 static void async_host_name_resolver_callback(AvahiSHostNameResolver *r, AvahiIfIndex interface, AvahiProtocol protocol, AvahiResolverEvent event, const char *host_name, const AvahiAddress *a, AvahiLookupResultFlags flags, void* userdata) {
1387     AsyncHostNameResolverInfo *i = userdata;
1388     DBusMessage *reply;
1389
1390     assert(r);
1391     assert(i);
1392
1393     reply = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_HOST_NAME_RESOLVER, map_resolve_signal_name(event));
1394
1395     if (event == AVAHI_RESOLVER_FOUND) {
1396         char t[256], *pt = t;
1397         int32_t i_interface, i_protocol, i_aprotocol, i_flags;
1398
1399         assert(a);
1400         assert(host_name);
1401         avahi_address_snprint(t, sizeof(t), a);
1402
1403         i_interface = (int32_t) interface;
1404         i_protocol = (int32_t) protocol;
1405         i_aprotocol = (int32_t) a->proto;
1406         i_flags = (int32_t) flags;
1407
1408         dbus_message_append_args(
1409             reply,
1410             DBUS_TYPE_INT32, &i_interface,
1411             DBUS_TYPE_INT32, &i_protocol,
1412             DBUS_TYPE_STRING, &host_name,
1413             DBUS_TYPE_INT32, &i_aprotocol,
1414             DBUS_TYPE_STRING, &pt,
1415             DBUS_TYPE_INT32, &i_flags,
1416             DBUS_TYPE_INVALID);
1417     }
1418
1419     dbus_message_set_destination(reply, i->client->name);
1420     dbus_connection_send(server->bus, reply, NULL);
1421     dbus_message_unref(reply);
1422 }
1423
1424 static DBusHandlerResult msg_async_host_name_resolver_impl(DBusConnection *c, DBusMessage *m, void *userdata) {
1425     DBusError error;
1426     AsyncHostNameResolverInfo *i = userdata;
1427
1428     assert(c);
1429     assert(m);
1430     assert(i);
1431
1432     dbus_error_init(&error);
1433
1434     avahi_log_debug(__FILE__": interface=%s, path=%s, member=%s",
1435                     dbus_message_get_interface(m),
1436                     dbus_message_get_path(m),
1437                     dbus_message_get_member(m));
1438
1439     /* Introspection */
1440     if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect"))
1441         return handle_introspect(c, m, "HostNameResolver.Introspect");
1442
1443     /* Access control */
1444     if (strcmp(dbus_message_get_sender(m), i->client->name))
1445         return respond_error(c, m, AVAHI_ERR_ACCESS_DENIED, NULL);
1446
1447     if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_HOST_NAME_RESOLVER, "Free")) {
1448
1449         if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
1450             avahi_log_warn("Error parsing HostNameResolver::Free message");
1451             goto fail;
1452         }
1453
1454         async_host_name_resolver_free(i);
1455         return respond_ok(c, m);
1456     }
1457
1458     avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m));
1459
1460 fail:
1461     if (dbus_error_is_set(&error))
1462         dbus_error_free(&error);
1463
1464     return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1465 }
1466
1467 static void async_service_resolver_callback(
1468     AvahiSServiceResolver *r,
1469     AvahiIfIndex interface,
1470     AvahiProtocol protocol,
1471     AvahiResolverEvent event,
1472     const char *name,
1473     const char *type,
1474     const char *domain,
1475     const char *host_name,
1476     const AvahiAddress *a,
1477     uint16_t port,
1478     AvahiStringList *txt,
1479     AvahiLookupResultFlags flags,
1480     void* userdata) {
1481
1482     AsyncServiceResolverInfo *i = userdata;
1483     DBusMessage *reply;
1484
1485     assert(r);
1486     assert(i);
1487
1488     reply = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_SERVICE_RESOLVER, map_resolve_signal_name(event));
1489
1490     if (event == AVAHI_RESOLVER_FOUND) {
1491         char t[256], *pt = t;
1492         int32_t i_interface, i_protocol, i_aprotocol, i_flags;
1493
1494         assert(host_name);
1495
1496 /*         avahi_log_debug(__FILE__": [%s] Successfully resolved service <%s.%s.%s>", i->path, name, type, domain); */
1497
1498         assert(a);
1499         avahi_address_snprint(t, sizeof(t), a);
1500
1501         if (!name)
1502             name = "";
1503
1504         i_interface = (int32_t) interface;
1505         i_protocol = (int32_t) protocol;
1506         i_aprotocol = (int32_t) a->proto;
1507         i_flags = (int32_t) flags;
1508
1509         dbus_message_append_args(
1510             reply,
1511             DBUS_TYPE_INT32, &i_interface,
1512             DBUS_TYPE_INT32, &i_protocol,
1513             DBUS_TYPE_STRING, &name,
1514             DBUS_TYPE_STRING, &type,
1515             DBUS_TYPE_STRING, &domain,
1516             DBUS_TYPE_STRING, &host_name,
1517             DBUS_TYPE_INT32, &i_aprotocol,
1518             DBUS_TYPE_STRING, &pt,
1519             DBUS_TYPE_UINT16, &port,
1520             DBUS_TYPE_INVALID);
1521
1522         append_string_list(reply, txt);
1523
1524         dbus_message_append_args(
1525             reply,
1526             DBUS_TYPE_INT32, &i_flags,
1527             DBUS_TYPE_INVALID);
1528     }
1529
1530     dbus_message_set_destination(reply, i->client->name);
1531     dbus_connection_send(server->bus, reply, NULL);
1532     dbus_message_unref(reply);
1533 }
1534
1535 static DBusHandlerResult msg_async_service_resolver_impl(DBusConnection *c, DBusMessage *m, void *userdata) {
1536     DBusError error;
1537     AsyncServiceResolverInfo *i = userdata;
1538
1539     assert(c);
1540     assert(m);
1541     assert(i);
1542
1543     dbus_error_init(&error);
1544
1545     avahi_log_debug(__FILE__": interface=%s, path=%s, member=%s",
1546                     dbus_message_get_interface(m),
1547                     dbus_message_get_path(m),
1548                     dbus_message_get_member(m));
1549
1550     /* Introspection */
1551     if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect"))
1552         return handle_introspect(c, m, "ServiceResolver.Introspect");
1553
1554     /* Access control */
1555     if (strcmp(dbus_message_get_sender(m), i->client->name))
1556         return respond_error(c, m, AVAHI_ERR_ACCESS_DENIED, NULL);
1557
1558     if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVICE_RESOLVER, "Free")) {
1559
1560         if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
1561             avahi_log_warn("Error parsing ServiceResolver::Free message");
1562             goto fail;
1563         }
1564
1565         async_service_resolver_free(i);
1566         return respond_ok(c, m);
1567     }
1568
1569     avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m));
1570
1571 fail:
1572     if (dbus_error_is_set(&error))
1573         dbus_error_free(&error);
1574
1575     return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1576 }
1577
1578 static DBusHandlerResult msg_server_impl(DBusConnection *c, DBusMessage *m, void *userdata) {
1579     DBusError error;
1580
1581     dbus_error_init(&error);
1582
1583     avahi_log_debug(__FILE__": interface=%s, path=%s, member=%s",
1584                     dbus_message_get_interface(m),
1585                     dbus_message_get_path(m),
1586                     dbus_message_get_member(m));
1587
1588     if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect"))
1589         return handle_introspect(c, m, "Server.introspect");
1590
1591     else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetHostName")) {
1592
1593         if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
1594             avahi_log_warn("Error parsing Server::GetHostName message");
1595             goto fail;
1596         }
1597
1598         return respond_string(c, m, avahi_server_get_host_name(avahi_server));
1599
1600     } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetDomainName")) {
1601
1602         if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
1603             avahi_log_warn("Error parsing Server::GetDomainName message");
1604             goto fail;
1605         }
1606
1607         return respond_string(c, m, avahi_server_get_domain_name(avahi_server));
1608
1609     } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetHostNameFqdn")) {
1610
1611         if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
1612             avahi_log_warn("Error parsing Server::GetHostNameFqdn message");
1613             goto fail;
1614         }
1615
1616         return respond_string(c, m, avahi_server_get_host_name_fqdn(avahi_server));
1617
1618     } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetVersionString")) {
1619
1620         if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
1621             avahi_log_warn("Error parsing Server::GetVersionString message");
1622             goto fail;
1623         }
1624
1625         return respond_string(c, m, PACKAGE_STRING);
1626
1627     } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetState")) {
1628         AvahiServerState state;
1629
1630         if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
1631             avahi_log_warn("Error parsing Server::GetState message");
1632             goto fail;
1633         }
1634
1635         state = avahi_server_get_state(avahi_server);
1636         return respond_int32(c, m, (int32_t) state);
1637
1638     } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetLocalServiceCookie")) {
1639
1640         if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
1641             avahi_log_warn("Error parsing Server::GetLocalServiceCookie message");
1642             goto fail;
1643         }
1644
1645         return respond_uint32(c, m, avahi_server_get_local_service_cookie(avahi_server));
1646
1647     } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "IsServiceLocal")) {
1648         int32_t interface, protocol;
1649         char *name, *type, *domain;
1650         int b;
1651
1652         if (!dbus_message_get_args(
1653                 m, &error,
1654                 DBUS_TYPE_INT32, &interface,
1655                 DBUS_TYPE_INT32, &protocol,
1656                 DBUS_TYPE_STRING, &name,
1657                 DBUS_TYPE_STRING, &type,
1658                 DBUS_TYPE_STRING, &domain,
1659                 DBUS_TYPE_INVALID) || !name || !type || !domain) {
1660             avahi_log_warn("Error parsing Server::IsServiceLocal message");
1661             goto fail;
1662         }
1663
1664         if ((b = avahi_server_is_service_local(avahi_server, interface, protocol, name, type, domain)) < 0)
1665             return respond_error(c, m, avahi_server_errno(avahi_server), NULL);
1666
1667         return respond_boolean(c, m, b);
1668
1669     } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetNetworkInterfaceNameByIndex")) {
1670         int32_t idx;
1671         int fd;
1672         struct ifreq ifr;
1673
1674         if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INT32, &idx, DBUS_TYPE_INVALID))) {
1675             avahi_log_warn("Error parsing Server::GetNetworkInterfaceNameByIndex message");
1676             goto fail;
1677         }
1678
1679 #ifdef VALGRIND_WORKAROUND
1680         return respond_string(c, m, "blah");
1681 #else
1682
1683         if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
1684             if ((fd = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
1685                 char txt[256];
1686                 snprintf(txt, sizeof(txt), "OS Error: %s", strerror(errno));
1687                 return respond_error(c, m, AVAHI_ERR_OS, txt);
1688             }
1689
1690         memset(&ifr, 0, sizeof(ifr));
1691         ifr.ifr_ifindex = idx;
1692
1693         if (ioctl(fd, SIOCGIFNAME, &ifr) < 0) {
1694             char txt[256];
1695             snprintf(txt, sizeof(txt), "OS Error: %s", strerror(errno));
1696             close(fd);
1697             return respond_error(c, m, AVAHI_ERR_OS, txt);
1698         }
1699
1700         close(fd);
1701
1702         return respond_string(c, m, ifr.ifr_name);
1703 #endif
1704
1705     } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetNetworkInterfaceIndexByName")) {
1706         char *n;
1707         int fd;
1708         struct ifreq ifr;
1709
1710         if (!(dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &n, DBUS_TYPE_INVALID)) || !n) {
1711             avahi_log_warn("Error parsing Server::GetNetworkInterfaceIndexByName message");
1712             goto fail;
1713         }
1714
1715 #ifdef VALGRIND_WORKAROUND
1716         return respond_int32(c, m, 1);
1717 #else
1718         if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
1719             if ((fd = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
1720                 char txt[256];
1721                 snprintf(txt, sizeof(txt), "OS Error: %s", strerror(errno));
1722                 return respond_error(c, m, AVAHI_ERR_OS, txt);
1723             }
1724
1725         memset(&ifr, 0, sizeof(ifr));
1726         snprintf(ifr.ifr_name, sizeof(ifr.ifr_name), "%s", n);
1727
1728         if (ioctl(fd, SIOCGIFINDEX, &ifr) < 0) {
1729             char txt[256];
1730             snprintf(txt, sizeof(txt), "OS Error: %s", strerror(errno));
1731             close(fd);
1732             return respond_error(c, m, AVAHI_ERR_OS, txt);
1733         }
1734
1735         close(fd);
1736
1737         return respond_int32(c, m, ifr.ifr_ifindex);
1738 #endif
1739
1740     } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetAlternativeHostName")) {
1741         char *n, * t;
1742
1743         if (!(dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &n, DBUS_TYPE_INVALID)) || !n) {
1744             avahi_log_warn("Error parsing Server::GetAlternativeHostName message");
1745             goto fail;
1746         }
1747
1748         t = avahi_alternative_host_name(n);
1749         respond_string(c, m, t);
1750         avahi_free(t);
1751
1752         return DBUS_HANDLER_RESULT_HANDLED;
1753
1754     } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetAlternativeServiceName")) {
1755         char *n, *t;
1756
1757         if (!(dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &n, DBUS_TYPE_INVALID)) || !n) {
1758             avahi_log_warn("Error parsing Server::GetAlternativeServiceName message");
1759             goto fail;
1760         }
1761
1762         t = avahi_alternative_service_name(n);
1763         respond_string(c, m, t);
1764         avahi_free(t);
1765
1766         return DBUS_HANDLER_RESULT_HANDLED;
1767
1768     } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "EntryGroupNew")) {
1769         Client *client;
1770         EntryGroupInfo *i;
1771         static const DBusObjectPathVTable vtable = {
1772             NULL,
1773             msg_entry_group_impl,
1774             NULL,
1775             NULL,
1776             NULL,
1777             NULL
1778         };
1779
1780         if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
1781             avahi_log_warn("Error parsing Server::EntryGroupNew message");
1782             goto fail;
1783         }
1784
1785         if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
1786             avahi_log_warn("Too many clients, client request failed.");
1787             return respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
1788         }
1789
1790         if (client->n_objects >= MAX_OBJECTS_PER_CLIENT) {
1791             avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
1792             return respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
1793         }
1794
1795         i = avahi_new(EntryGroupInfo, 1);
1796         i->id = ++client->current_id;
1797         i->client = client;
1798         i->path = avahi_strdup_printf("/Client%u/EntryGroup%u", client->id, i->id);
1799         i->n_entries = 0;
1800         AVAHI_LLIST_PREPEND(EntryGroupInfo, entry_groups, client->entry_groups, i);
1801         client->n_objects++;
1802
1803         if (!(i->entry_group = avahi_s_entry_group_new(avahi_server, entry_group_callback, i))) {
1804             entry_group_free(i);
1805             return respond_error(c, m, avahi_server_errno(avahi_server), NULL);
1806         }
1807
1808         dbus_connection_register_object_path(c, i->path, &vtable, i);
1809         return respond_path(c, m, i->path);
1810
1811     } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ResolveHostName")) {
1812         Client *client;
1813         int32_t interface, protocol, aprotocol, flags;
1814         char *name;
1815         SyncHostNameResolverInfo *i;
1816
1817         if (!dbus_message_get_args(
1818                 m, &error,
1819                 DBUS_TYPE_INT32, &interface,
1820                 DBUS_TYPE_INT32, &protocol,
1821                 DBUS_TYPE_STRING, &name,
1822                 DBUS_TYPE_INT32, &aprotocol,
1823                 DBUS_TYPE_INT32, &flags,
1824                 DBUS_TYPE_INVALID) || !name) {
1825             avahi_log_warn("Error parsing Server::ResolveHostName message");
1826             goto fail;
1827         }
1828
1829         if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
1830             avahi_log_warn("Too many clients, client request failed.");
1831             return respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
1832         }
1833
1834         if (client->n_objects >= MAX_OBJECTS_PER_CLIENT) {
1835             avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
1836             return respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
1837         }
1838
1839         i = avahi_new(SyncHostNameResolverInfo, 1);
1840         i->client = client;
1841         i->message = dbus_message_ref(m);
1842         AVAHI_LLIST_PREPEND(SyncHostNameResolverInfo, sync_host_name_resolvers, client->sync_host_name_resolvers, i);
1843         client->n_objects++;
1844
1845         if (!(i->host_name_resolver = avahi_s_host_name_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, name, (AvahiProtocol) aprotocol, (AvahiLookupFlags) flags, sync_host_name_resolver_callback, i))) {
1846             sync_host_name_resolver_free(i);
1847             return respond_error(c, m, avahi_server_errno(avahi_server), NULL);
1848         }
1849
1850         return DBUS_HANDLER_RESULT_HANDLED;
1851
1852     } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ResolveAddress")) {
1853         Client *client;
1854         int32_t interface, protocol, flags;
1855         char *address;
1856         SyncAddressResolverInfo *i;
1857         AvahiAddress a;
1858
1859         if (!dbus_message_get_args(
1860                 m, &error,
1861                 DBUS_TYPE_INT32, &interface,
1862                 DBUS_TYPE_INT32, &protocol,
1863                 DBUS_TYPE_STRING, &address,
1864                 DBUS_TYPE_INT32, &flags,
1865                 DBUS_TYPE_INVALID) || !address) {
1866             avahi_log_warn("Error parsing Server::ResolveAddress message");
1867             goto fail;
1868         }
1869
1870         if (!avahi_address_parse(address, AVAHI_PROTO_UNSPEC, &a))
1871             return respond_error(c, m, AVAHI_ERR_INVALID_ADDRESS, NULL);
1872
1873         if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
1874             avahi_log_warn("Too many clients, client request failed.");
1875             return respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
1876         }
1877
1878         if (client->n_objects >= MAX_OBJECTS_PER_CLIENT) {
1879             avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
1880             return respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
1881         }
1882
1883         i = avahi_new(SyncAddressResolverInfo, 1);
1884         i->client = client;
1885         i->message = dbus_message_ref(m);
1886         AVAHI_LLIST_PREPEND(SyncAddressResolverInfo, sync_address_resolvers, client->sync_address_resolvers, i);
1887         client->n_objects++;
1888
1889         if (!(i->address_resolver = avahi_s_address_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, &a, (AvahiLookupFlags) flags, sync_address_resolver_callback, i))) {
1890             sync_address_resolver_free(i);
1891             return respond_error(c, m, avahi_server_errno(avahi_server), NULL);
1892         }
1893
1894         return DBUS_HANDLER_RESULT_HANDLED;
1895
1896     } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "DomainBrowserNew")) {
1897         Client *client;
1898         DomainBrowserInfo *i;
1899         static const DBusObjectPathVTable vtable = {
1900             NULL,
1901             msg_domain_browser_impl,
1902             NULL,
1903             NULL,
1904             NULL,
1905             NULL
1906         };
1907         int32_t interface, protocol, type, flags;
1908         char *domain;
1909
1910         if (!dbus_message_get_args(
1911                 m, &error,
1912                 DBUS_TYPE_INT32, &interface,
1913                 DBUS_TYPE_INT32, &protocol,
1914                 DBUS_TYPE_STRING, &domain,
1915                 DBUS_TYPE_INT32, &type,
1916                 DBUS_TYPE_INT32, &flags,
1917                 DBUS_TYPE_INVALID) || type < 0 || type >= AVAHI_DOMAIN_BROWSER_MAX) {
1918             avahi_log_warn("Error parsing Server::DomainBrowserNew message");
1919             goto fail;
1920         }
1921
1922         if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
1923             avahi_log_warn("Too many clients, client request failed.");
1924             return respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
1925         }
1926
1927         if (client->n_objects >= MAX_OBJECTS_PER_CLIENT) {
1928             avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
1929             return respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
1930         }
1931
1932         if (!*domain)
1933             domain = NULL;
1934
1935         i = avahi_new(DomainBrowserInfo, 1);
1936         i->id = ++client->current_id;
1937         i->client = client;
1938         i->path = avahi_strdup_printf("/Client%u/DomainBrowser%u", client->id, i->id);
1939         AVAHI_LLIST_PREPEND(DomainBrowserInfo, domain_browsers, client->domain_browsers, i);
1940         client->n_objects++;
1941
1942         if (!(i->domain_browser = avahi_s_domain_browser_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, domain, (AvahiDomainBrowserType) type, (AvahiLookupFlags) flags, domain_browser_callback, i))) {
1943             domain_browser_free(i);
1944             return respond_error(c, m, avahi_server_errno(avahi_server), NULL);
1945         }
1946
1947         dbus_connection_register_object_path(c, i->path, &vtable, i);
1948         return respond_path(c, m, i->path);
1949
1950     } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ServiceTypeBrowserNew")) {
1951         Client *client;
1952         ServiceTypeBrowserInfo *i;
1953         static const DBusObjectPathVTable vtable = {
1954             NULL,
1955             msg_service_type_browser_impl,
1956             NULL,
1957             NULL,
1958             NULL,
1959             NULL
1960         };
1961         int32_t interface, protocol, flags;
1962         char *domain;
1963
1964         if (!dbus_message_get_args(
1965                 m, &error,
1966                 DBUS_TYPE_INT32, &interface,
1967                 DBUS_TYPE_INT32, &protocol,
1968                 DBUS_TYPE_STRING, &domain,
1969                 DBUS_TYPE_INT32, &flags,
1970                 DBUS_TYPE_INVALID)) {
1971             avahi_log_warn("Error parsing Server::ServiceTypeBrowserNew message");
1972             goto fail;
1973         }
1974
1975         if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
1976             avahi_log_warn("Too many clients, client request failed.");
1977             return respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
1978         }
1979
1980
1981         if (client->n_objects >= MAX_OBJECTS_PER_CLIENT) {
1982             avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
1983             return respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
1984         }
1985
1986         if (!*domain)
1987             domain = NULL;
1988
1989         i = avahi_new(ServiceTypeBrowserInfo, 1);
1990         i->id = ++client->current_id;
1991         i->client = client;
1992         i->path = avahi_strdup_printf("/Client%u/ServiceTypeBrowser%u", client->id, i->id);
1993         AVAHI_LLIST_PREPEND(ServiceTypeBrowserInfo, service_type_browsers, client->service_type_browsers, i);
1994         client->n_objects++;
1995
1996         if (!(i->service_type_browser = avahi_s_service_type_browser_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, domain, (AvahiLookupFlags) flags, service_type_browser_callback, i))) {
1997             service_type_browser_free(i);
1998             return respond_error(c, m, avahi_server_errno(avahi_server), NULL);
1999         }
2000
2001         dbus_connection_register_object_path(c, i->path, &vtable, i);
2002         return respond_path(c, m, i->path);
2003
2004     } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ServiceBrowserNew")) {
2005         Client *client;
2006         ServiceBrowserInfo *i;
2007         static const DBusObjectPathVTable vtable = {
2008             NULL,
2009             msg_service_browser_impl,
2010             NULL,
2011             NULL,
2012             NULL,
2013             NULL
2014         };
2015         int32_t interface, protocol, flags;
2016         char *domain, *type;
2017
2018         if (!dbus_message_get_args(
2019                 m, &error,
2020                 DBUS_TYPE_INT32, &interface,
2021                 DBUS_TYPE_INT32, &protocol,
2022                 DBUS_TYPE_STRING, &type,
2023                 DBUS_TYPE_STRING, &domain,
2024                 DBUS_TYPE_INT32, &flags,
2025                 DBUS_TYPE_INVALID) || !type) {
2026             avahi_log_warn("Error parsing Server::ServiceBrowserNew message");
2027             goto fail;
2028         }
2029
2030         if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
2031             avahi_log_warn("Too many clients, client request failed.");
2032             return respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
2033         }
2034
2035
2036         if (client->n_objects >= MAX_OBJECTS_PER_CLIENT) {
2037             avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
2038             return respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
2039         }
2040
2041         if (!*domain)
2042             domain = NULL;
2043
2044         i = avahi_new(ServiceBrowserInfo, 1);
2045         i->id = ++client->current_id;
2046         i->client = client;
2047         i->path = avahi_strdup_printf("/Client%u/ServiceBrowser%u", client->id, i->id);
2048         AVAHI_LLIST_PREPEND(ServiceBrowserInfo, service_browsers, client->service_browsers, i);
2049         client->n_objects++;
2050
2051         if (!(i->service_browser = avahi_s_service_browser_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, type, domain, (AvahiLookupFlags) flags, service_browser_callback, i))) {
2052             service_browser_free(i);
2053             return respond_error(c, m, avahi_server_errno(avahi_server), NULL);
2054         }
2055
2056         dbus_connection_register_object_path(c, i->path, &vtable, i);
2057         return respond_path(c, m, i->path);
2058
2059     } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ResolveService")) {
2060         Client *client;
2061         int32_t interface, protocol, aprotocol, flags;
2062         char *name, *type, *domain;
2063         SyncServiceResolverInfo *i;
2064
2065         if (!dbus_message_get_args(
2066                 m, &error,
2067                 DBUS_TYPE_INT32, &interface,
2068                 DBUS_TYPE_INT32, &protocol,
2069                 DBUS_TYPE_STRING, &name,
2070                 DBUS_TYPE_STRING, &type,
2071                 DBUS_TYPE_STRING, &domain,
2072                 DBUS_TYPE_INT32, &aprotocol,
2073                 DBUS_TYPE_INT32, &flags,
2074                 DBUS_TYPE_INVALID) || !type) {
2075             avahi_log_warn("Error parsing Server::ResolveService message");
2076             goto fail;
2077         }
2078
2079         if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
2080             avahi_log_warn("Too many clients, client request failed.");
2081             return respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
2082         }
2083
2084         if (client->n_objects >= MAX_OBJECTS_PER_CLIENT) {
2085             avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
2086             return respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
2087         }
2088
2089         if (!*domain)
2090             domain = NULL;
2091
2092         if (!*name)
2093             name = NULL;
2094
2095         i = avahi_new(SyncServiceResolverInfo, 1);
2096         i->client = client;
2097         i->message = dbus_message_ref(m);
2098         AVAHI_LLIST_PREPEND(SyncServiceResolverInfo, sync_service_resolvers, client->sync_service_resolvers, i);
2099         client->n_objects++;
2100
2101         if (!(i->service_resolver = avahi_s_service_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, name, type, domain, (AvahiProtocol) aprotocol, (AvahiLookupFlags) flags, sync_service_resolver_callback, i))) {
2102             sync_service_resolver_free(i);
2103             return respond_error(c, m, avahi_server_errno(avahi_server), NULL);
2104         }
2105
2106         return DBUS_HANDLER_RESULT_HANDLED;
2107
2108     } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ServiceResolverNew")) {
2109         Client *client;
2110         int32_t interface, protocol, aprotocol, flags;
2111         char *name, *type, *domain;
2112         AsyncServiceResolverInfo *i;
2113         static const DBusObjectPathVTable vtable = {
2114             NULL,
2115             msg_async_service_resolver_impl,
2116             NULL,
2117             NULL,
2118             NULL,
2119             NULL
2120         };
2121
2122         if (!dbus_message_get_args(
2123                 m, &error,
2124                 DBUS_TYPE_INT32, &interface,
2125                 DBUS_TYPE_INT32, &protocol,
2126                 DBUS_TYPE_STRING, &name,
2127                 DBUS_TYPE_STRING, &type,
2128                 DBUS_TYPE_STRING, &domain,
2129                 DBUS_TYPE_INT32, &aprotocol,
2130                 DBUS_TYPE_INT32, &flags,
2131                 DBUS_TYPE_INVALID) || !type) {
2132             avahi_log_warn("Error parsing Server::ServiceResolverNew message");
2133             goto fail;
2134         }
2135
2136         if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
2137             avahi_log_warn(__FILE__": Too many clients, client request failed.");
2138             return respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
2139         }
2140
2141         if (client->n_objects >= MAX_OBJECTS_PER_CLIENT) {
2142             avahi_log_warn(__FILE__": Too many objects for client '%s', client request failed.", client->name);
2143             return respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
2144         }
2145
2146         if (!*domain)
2147             domain = NULL;
2148
2149         if (!*name)
2150             name = NULL;
2151
2152         i = avahi_new(AsyncServiceResolverInfo, 1);
2153         i->id = ++client->current_id;
2154         i->client = client;
2155         i->path = avahi_strdup_printf("/Client%u/ServiceResolver%u", client->id, i->id);
2156         AVAHI_LLIST_PREPEND(AsyncServiceResolverInfo, async_service_resolvers, client->async_service_resolvers, i);
2157         client->n_objects++;
2158
2159         if (!(i->service_resolver = avahi_s_service_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, name, type, domain, (AvahiProtocol) aprotocol, (AvahiLookupFlags) flags, async_service_resolver_callback, i))) {
2160             async_service_resolver_free(i);
2161             return respond_error(c, m, avahi_server_errno(avahi_server), NULL);
2162         }
2163
2164 /*         avahi_log_debug(__FILE__": [%s], new service resolver for <%s.%s.%s>", i->path, name, type, domain); */
2165
2166         dbus_connection_register_object_path(c, i->path, &vtable, i);
2167         return respond_path(c, m, i->path);
2168
2169     } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "HostNameResolverNew")) {
2170         Client *client;
2171         int32_t interface, protocol, aprotocol, flags;
2172         char *name;
2173         AsyncHostNameResolverInfo *i;
2174         static const DBusObjectPathVTable vtable = {
2175             NULL,
2176             msg_async_host_name_resolver_impl,
2177             NULL,
2178             NULL,
2179             NULL,
2180             NULL
2181         };
2182
2183         if (!dbus_message_get_args(
2184                 m, &error,
2185                 DBUS_TYPE_INT32, &interface,
2186                 DBUS_TYPE_INT32, &protocol,
2187                 DBUS_TYPE_STRING, &name,
2188                 DBUS_TYPE_INT32, &aprotocol,
2189                 DBUS_TYPE_INT32, &flags,
2190                 DBUS_TYPE_INVALID) || !name) {
2191             avahi_log_warn("Error parsing Server::HostNameResolverNew message");
2192             goto fail;
2193         }
2194
2195         if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
2196             avahi_log_warn(__FILE__": Too many clients, client request failed.");
2197             return respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
2198         }
2199
2200         if (client->n_objects >= MAX_OBJECTS_PER_CLIENT) {
2201             avahi_log_warn(__FILE__": Too many objects for client '%s', client request failed.", client->name);
2202             return respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
2203         }
2204
2205         i = avahi_new(AsyncHostNameResolverInfo, 1);
2206         i->id = ++client->current_id;
2207         i->client = client;
2208         i->path = avahi_strdup_printf("/Client%u/HostNameResolver%u", client->id, i->id);
2209         AVAHI_LLIST_PREPEND(AsyncHostNameResolverInfo, async_host_name_resolvers, client->async_host_name_resolvers, i);
2210         client->n_objects++;
2211
2212         if (!(i->host_name_resolver = avahi_s_host_name_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, name, aprotocol, (AvahiLookupFlags) flags, async_host_name_resolver_callback, i))) {
2213             async_host_name_resolver_free(i);
2214             return respond_error(c, m, avahi_server_errno(avahi_server), NULL);
2215         }
2216
2217         dbus_connection_register_object_path(c, i->path, &vtable, i);
2218         return respond_path(c, m, i->path);
2219
2220     } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "AddressResolverNew")) {
2221         Client *client;
2222         int32_t interface, protocol, flags;
2223         char *address;
2224         AsyncAddressResolverInfo *i;
2225         AvahiAddress a;
2226         static const DBusObjectPathVTable vtable = {
2227             NULL,
2228             msg_async_address_resolver_impl,
2229             NULL,
2230             NULL,
2231             NULL,
2232             NULL
2233         };
2234
2235         if (!dbus_message_get_args(
2236                 m, &error,
2237                 DBUS_TYPE_INT32, &interface,
2238                 DBUS_TYPE_INT32, &protocol,
2239                 DBUS_TYPE_STRING, &address,
2240                 DBUS_TYPE_INT32, &flags,
2241                 DBUS_TYPE_INVALID) || !address) {
2242             avahi_log_warn("Error parsing Server::AddressResolverNew message");
2243             goto fail;
2244         }
2245
2246         if (!avahi_address_parse(address, AVAHI_PROTO_UNSPEC, &a))
2247             return respond_error(c, m, AVAHI_ERR_INVALID_ADDRESS, NULL);
2248
2249         if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
2250             avahi_log_warn(__FILE__": Too many clients, client request failed.");
2251             return respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
2252         }
2253
2254         if (client->n_objects >= MAX_OBJECTS_PER_CLIENT) {
2255             avahi_log_warn(__FILE__": Too many objects for client '%s', client request failed.", client->name);
2256             return respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
2257         }
2258
2259         i = avahi_new(AsyncAddressResolverInfo, 1);
2260         i->id = ++client->current_id;
2261         i->client = client;
2262         i->path = avahi_strdup_printf("/Client%u/AddressResolver%u", client->id, i->id);
2263         AVAHI_LLIST_PREPEND(AsyncAddressResolverInfo, async_address_resolvers, client->async_address_resolvers, i);
2264         client->n_objects++;
2265
2266         if (!(i->address_resolver = avahi_s_address_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, &a, (AvahiLookupFlags) flags, async_address_resolver_callback, i))) {
2267             async_address_resolver_free(i);
2268             return respond_error(c, m, avahi_server_errno(avahi_server), NULL);
2269         }
2270
2271         dbus_connection_register_object_path(c, i->path, &vtable, i);
2272         return respond_path(c, m, i->path);
2273     }
2274
2275     avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m));
2276
2277 fail:
2278     if (dbus_error_is_set(&error))
2279         dbus_error_free(&error);
2280
2281     return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
2282 }
2283
2284 void dbus_protocol_server_state_changed(AvahiServerState state) {
2285     DBusMessage *m;
2286     int32_t t;
2287
2288     if (!server)
2289         return;
2290
2291     m = dbus_message_new_signal(AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "StateChanged");
2292     t = (int32_t) state;
2293     dbus_message_append_args(m, DBUS_TYPE_INT32, &t, DBUS_TYPE_INVALID);
2294     dbus_connection_send(server->bus, m, NULL);
2295     dbus_message_unref(m);
2296 }
2297
2298 int dbus_protocol_setup(const AvahiPoll *poll_api) {
2299     DBusError error;
2300
2301     static const DBusObjectPathVTable server_vtable = {
2302         NULL,
2303         msg_server_impl,
2304         NULL,
2305         NULL,
2306         NULL,
2307         NULL
2308     };
2309
2310     dbus_error_init(&error);
2311
2312     server = avahi_new(Server, 1);
2313     AVAHI_LLIST_HEAD_INIT(Clients, server->clients);
2314     server->current_id = 0;
2315     server->n_clients = 0;
2316
2317     if (!(server->bus = dbus_bus_get(DBUS_BUS_SYSTEM, &error))) {
2318         assert(dbus_error_is_set(&error));
2319         avahi_log_error("dbus_bus_get(): %s", error.message);
2320         goto fail;
2321     }
2322
2323     if (avahi_dbus_connection_glue(server->bus, poll_api) < 0) {
2324         avahi_log_error("avahi_dbus_connection_glue() failed");
2325         goto fail;
2326     }
2327
2328     if (dbus_bus_request_name(server->bus, AVAHI_DBUS_NAME, DBUS_NAME_FLAG_PROHIBIT_REPLACEMENT, &error) != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) {
2329         if (dbus_error_is_set(&error)) {
2330             avahi_log_error("dbus_bus_request_name(): %s", error.message);
2331             goto fail;
2332         }
2333
2334         avahi_log_error("Failed to acquire DBUS name '"AVAHI_DBUS_NAME"'");
2335         goto fail;
2336     }
2337
2338     if (!(dbus_connection_add_filter(server->bus, msg_signal_filter_impl, (void*) poll_api, NULL))) {
2339         avahi_log_error("dbus_connection_add_filter() failed");
2340         goto fail;
2341     }
2342
2343     dbus_bus_add_match(server->bus, "type='signal',""interface='" DBUS_INTERFACE_DBUS  "'", &error);
2344
2345     if (dbus_error_is_set(&error)) {
2346         avahi_log_error("dbus_bus_add_match(): %s", error.message);
2347         goto fail;
2348     }
2349
2350     if (!(dbus_connection_register_object_path(server->bus, AVAHI_DBUS_PATH_SERVER, &server_vtable, NULL))) {
2351         avahi_log_error("dbus_connection_register_object_path() failed");
2352         goto fail;
2353     }
2354
2355     return 0;
2356
2357 fail:
2358     if (server->bus) {
2359         dbus_connection_disconnect(server->bus);
2360         dbus_connection_unref(server->bus);
2361     }
2362
2363     if (dbus_error_is_set(&error))
2364         dbus_error_free(&error);
2365
2366     avahi_free(server);
2367     server = NULL;
2368     return -1;
2369 }
2370
2371 void dbus_protocol_shutdown(void) {
2372
2373     if (server) {
2374
2375         while (server->clients)
2376             client_free(server->clients);
2377
2378         assert(server->n_clients == 0);
2379
2380         if (server->bus) {
2381             dbus_connection_disconnect(server->bus);
2382             dbus_connection_unref(server->bus);
2383         }
2384
2385         avahi_free(server);
2386         server = NULL;
2387     }
2388 }