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 28#include <avahi-common/malloc.h> 29#include <avahi-common/dbus.h> 30#include <avahi-common/error.h> 31#include <avahi-core/log.h> 32 33#include "dbus-util.h" 34#include "dbus-internal.h" 35 36void avahi_dbus_service_browser_free(ServiceBrowserInfo *i) { 37 assert(i); 38 39 if (i->service_browser) 40 avahi_s_service_browser_free(i->service_browser); 41 42 if (i->path) { 43 dbus_connection_unregister_object_path(server->bus, i->path); 44 avahi_free(i->path); 45 } 46 47 AVAHI_LLIST_REMOVE(ServiceBrowserInfo, service_browsers, i->client->service_browsers, i); 48 49 i->client->n_objects--; 50 assert(i->client->n_objects >= 0); 51 52 avahi_free(i); 53} 54 55DBusHandlerResult avahi_dbus_msg_service_browser_impl(DBusConnection *c, DBusMessage *m, void *userdata) { 56 DBusError error; 57 ServiceBrowserInfo *i = userdata; 58 59 assert(c); 60 assert(m); 61 assert(i); 62 63 dbus_error_init(&error); 64 65 avahi_log_debug(__FILE__": interface=%s, path=%s, member=%s", 66 dbus_message_get_interface(m), 67 dbus_message_get_path(m), 68 dbus_message_get_member(m)); 69 70 /* Introspection */ 71 if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect")) 72 return avahi_dbus_handle_introspect(c, m, "ServiceBrowser.introspect"); 73 74 /* Access control */ 75 if (strcmp(dbus_message_get_sender(m), i->client->name)) 76 return avahi_dbus_respond_error(c, m, AVAHI_ERR_ACCESS_DENIED, NULL); 77 78 if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVICE_BROWSER, "Free")) { 79 80 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) { 81 avahi_log_warn("Error parsing ServiceBrowser::Free message"); 82 goto fail; 83 } 84 85 avahi_dbus_service_browser_free(i); 86 return avahi_dbus_respond_ok(c, m); 87 88 } 89 90 avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m)); 91 92fail: 93 if (dbus_error_is_set(&error)) 94 dbus_error_free(&error); 95 96 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; 97} 98 99void avahi_dbus_service_browser_callback(AvahiSServiceBrowser *b, AvahiIfIndex interface, AvahiProtocol protocol, AvahiBrowserEvent event, const char *name, const char *type, const char *domain, AvahiLookupResultFlags flags, void* userdata) { 100 ServiceBrowserInfo *i = userdata; 101 DBusMessage *m; 102 int32_t i_interface, i_protocol; 103 uint32_t u_flags; 104 105 assert(b); 106 assert(i); 107 108 m = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_SERVICE_BROWSER, avahi_dbus_map_browse_signal_name(event)); 109 110 if (event == AVAHI_BROWSER_NEW) { 111 /* Patch in AVAHI_LOOKUP_RESULT_OUR_OWN */ 112 113 if (avahi_dbus_is_our_own_service(i->client, interface, protocol, name, type, domain) > 0) 114 flags |= AVAHI_LOOKUP_RESULT_OUR_OWN; 115 } 116 117 i_interface = (int32_t) interface; 118 i_protocol = (int32_t) protocol; 119 u_flags = (uint32_t) flags; 120 121 if (event == AVAHI_BROWSER_NEW || event == AVAHI_BROWSER_REMOVE) { 122 assert(name); 123 assert(type); 124 assert(domain); 125 126 dbus_message_append_args( 127 m, 128 DBUS_TYPE_INT32, &i_interface, 129 DBUS_TYPE_INT32, &i_protocol, 130 DBUS_TYPE_STRING, &name, 131 DBUS_TYPE_STRING, &type, 132 DBUS_TYPE_STRING, &domain, 133 DBUS_TYPE_UINT32, &u_flags, 134 DBUS_TYPE_INVALID); 135 } else if (event == AVAHI_BROWSER_FAILURE) 136 avahi_dbus_append_server_error(m); 137 138 dbus_message_set_destination(m, i->client->name); 139 dbus_connection_send(server->bus, m, NULL); 140 dbus_message_unref(m); 141} 142