1 /*** 2 This file is part of avahi. 3 4 avahi is free software; you can redistribute it and/or modify it 5 under the terms of the GNU Lesser General Public License as 6 published by the Free Software Foundation; either version 2.1 of the 7 License, or (at your option) any later version. 8 9 avahi is distributed in the hope that it will be useful, but WITHOUT 10 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 11 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General 12 Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with avahi; if not, write to the Free Software 16 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 17 USA. 18 ***/ 19 20 #ifdef HAVE_CONFIG_H 21 #include <config.h> 22 #endif 23 24 #include <string.h> 25 26 #include "avahi-common/avahi-malloc.h" 27 #include <avahi-common/dbus.h> 28 #include <avahi-common/error.h> 29 #include <avahi-core/log.h> 30 31 #include "dbus-util.h" 32 #include "dbus-internal.h" 33 34 void avahi_dbus_domain_browser_free(DomainBrowserInfo *i) { 35 assert(i); 36 37 if (i->domain_browser) 38 avahi_s_domain_browser_free(i->domain_browser); 39 40 if (i->path) { 41 dbus_connection_unregister_object_path(server->bus, i->path); 42 avahi_free(i->path); 43 } 44 45 AVAHI_LLIST_REMOVE(DomainBrowserInfo, domain_browsers, i->client->domain_browsers, i); 46 47 assert(i->client->n_objects >= 1); 48 i->client->n_objects--; 49 50 avahi_free(i); 51 } 52 53 DBusHandlerResult avahi_dbus_msg_domain_browser_impl(DBusConnection *c, DBusMessage *m, void *userdata) { 54 DBusError error; 55 DomainBrowserInfo *i = userdata; 56 57 assert(c); 58 assert(m); 59 assert(i); 60 61 dbus_error_init(&error); 62 63 avahi_log_debug(__FILE__": interface=%s, path=%s, member=%s", 64 dbus_message_get_interface(m), 65 dbus_message_get_path(m), 66 dbus_message_get_member(m)); 67 68 /* Introspection */ 69 if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect")) 70 return avahi_dbus_handle_introspect(c, m, "org.freedesktop.Avahi.DomainBrowser.xml"); 71 72 /* Access control */ 73 if (strcmp(dbus_message_get_sender(m), i->client->name)) 74 return avahi_dbus_respond_error(c, m, AVAHI_ERR_ACCESS_DENIED, NULL); 75 76 if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_DOMAIN_BROWSER, "Free")) { 77 78 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) { 79 avahi_log_warn("Error parsing DomainBrowser::Free message"); 80 goto fail; 81 } 82 83 avahi_dbus_domain_browser_free(i); 84 return avahi_dbus_respond_ok(c, m); 85 86 } 87 88 avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m)); 89 90 fail: 91 if (dbus_error_is_set(&error)) 92 dbus_error_free(&error); 93 94 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; 95 } 96 97 void avahi_dbus_domain_browser_callback(AvahiSDomainBrowser *b, AvahiIfIndex interface, AvahiProtocol protocol, AvahiBrowserEvent event, const char *domain, AvahiLookupResultFlags flags, void* userdata) { 98 DomainBrowserInfo *i = userdata; 99 DBusMessage *m; 100 int32_t i_interface, i_protocol; 101 uint32_t u_flags; 102 103 assert(b); 104 assert(i); 105 106 i_interface = (int32_t) interface; 107 i_protocol = (int32_t) protocol; 108 u_flags = (uint32_t) flags; 109 110 m = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_DOMAIN_BROWSER, avahi_dbus_map_browse_signal_name(event)); 111 112 if (!m) { 113 avahi_log_error("Failed allocate message"); 114 return; 115 } 116 117 if (event == AVAHI_BROWSER_NEW || event == AVAHI_BROWSER_REMOVE) { 118 assert(domain); 119 dbus_message_append_args( 120 m, 121 DBUS_TYPE_INT32, &i_interface, 122 DBUS_TYPE_INT32, &i_protocol, 123 DBUS_TYPE_STRING, &domain, 124 DBUS_TYPE_UINT32, &u_flags, 125 DBUS_TYPE_INVALID); 126 } else if (event == AVAHI_BROWSER_FAILURE) 127 avahi_dbus_append_server_error(m); 128 129 dbus_message_set_destination(m, i->client->name); 130 dbus_connection_send(server->bus, m, NULL); 131 dbus_message_unref(m); 132 } 133
