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_record_browser_free(RecordBrowserInfo *i) { 37 assert(i); 38 39 if (i->record_browser) 40 avahi_s_record_browser_free(i->record_browser); 41 42 if (i->path) { 43 dbus_connection_unregister_object_path(server->bus, i->path); 44 avahi_free(i->path); 45 } 46 AVAHI_LLIST_REMOVE(RecordBrowserInfo, record_browsers, i->client->record_browsers, i); 47 48 i->client->n_objects--; 49 assert(i->client->n_objects >= 0); 50 51 avahi_free(i); 52} 53 54DBusHandlerResult avahi_dbus_msg_record_browser_impl(DBusConnection *c, DBusMessage *m, void *userdata) { 55 DBusError error; 56 RecordBrowserInfo *i = userdata; 57 58 assert(c); 59 assert(m); 60 assert(i); 61 62 dbus_error_init(&error); 63 64 avahi_log_debug(__FILE__": interface=%s, path=%s, member=%s", 65 dbus_message_get_interface(m), 66 dbus_message_get_path(m), 67 dbus_message_get_member(m)); 68 69 /* Introspection */ 70 if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect")) 71 return avahi_dbus_handle_introspect(c, m, "RecordBrowser.introspect"); 72 73 /* Access control */ 74 if (strcmp(dbus_message_get_sender(m), i->client->name)) 75 return avahi_dbus_respond_error(c, m, AVAHI_ERR_ACCESS_DENIED, NULL); 76 77 if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_RECORD_BROWSER, "Free")) { 78 79 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) { 80 avahi_log_warn("Error parsing RecordBrowser::Free message"); 81 goto fail; 82 } 83 84 avahi_dbus_record_browser_free(i); 85 return avahi_dbus_respond_ok(c, m); 86 87 } 88 89 avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m)); 90 91fail: 92 if (dbus_error_is_set(&error)) 93 dbus_error_free(&error); 94 95 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; 96} 97 98void avahi_dbus_record_browser_callback( 99 AvahiSRecordBrowser *b, 100 AvahiIfIndex interface, 101 AvahiProtocol protocol, 102 AvahiBrowserEvent event, 103 AvahiRecord *record, 104 AvahiLookupResultFlags flags, 105 void* userdata) { 106 107 RecordBrowserInfo *i = userdata; 108 DBusMessage *m = NULL; 109 int32_t i_interface, i_protocol; 110 uint32_t u_flags; 111 112 assert(b); 113 assert(i); 114 115 i_interface = (int32_t) interface; 116 i_protocol = (int32_t) protocol; 117 u_flags = (uint32_t) flags; 118 119 m = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_RECORD_BROWSER, avahi_dbus_map_browse_signal_name(event)); 120 121 if (event == AVAHI_BROWSER_NEW || event == AVAHI_BROWSER_REMOVE) { 122 uint8_t rdata[0xFFFF]; 123 size_t size; 124 assert(record); 125 126 if (!(dbus_message_append_args( 127 m, 128 DBUS_TYPE_INT32, &i_interface, 129 DBUS_TYPE_INT32, &i_protocol, 130 DBUS_TYPE_STRING, &record->key->name, 131 DBUS_TYPE_UINT16, &record->key->clazz, 132 DBUS_TYPE_UINT16, &record->key->type, 133 DBUS_TYPE_INVALID))) 134 goto fail; 135 136 if ((size = avahi_rdata_serialize(record, rdata, sizeof(rdata))) == (size_t) -1 || 137 avahi_dbus_append_rdata(m, rdata, size) < 0) { 138 avahi_log_debug(__FILE__": Failed to append rdata"); 139 dbus_message_unref(m); 140 return; 141 } 142 143 dbus_message_append_args( 144 m, 145 DBUS_TYPE_UINT32, &u_flags, 146 DBUS_TYPE_INVALID); 147 148 } else if (event == AVAHI_BROWSER_FAILURE) 149 avahi_dbus_append_server_error(m); 150 151 dbus_message_set_destination(m, i->client->name); 152 dbus_connection_send(server->bus, m, NULL); 153 dbus_message_unref(m); 154 155 return; 156 157fail: 158 159 if (m) 160 dbus_message_unref(m); 161} 162