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_async_host_name_resolver_free(AsyncHostNameResolverInfo *i) { 37 assert(i); 38 39 if (i->host_name_resolver) 40 avahi_s_host_name_resolver_free(i->host_name_resolver); 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(AsyncHostNameResolverInfo, async_host_name_resolvers, i->client->async_host_name_resolvers, i); 47 48 i->client->n_objects--; 49 assert(i->client->n_objects >= 0); 50 51 avahi_free(i); 52} 53 54void avahi_dbus_async_host_name_resolver_callback(AvahiSHostNameResolver *r, AvahiIfIndex interface, AvahiProtocol protocol, AvahiResolverEvent event, const char *host_name, const AvahiAddress *a, AvahiLookupResultFlags flags, void* userdata) { 55 AsyncHostNameResolverInfo *i = userdata; 56 DBusMessage *reply; 57 58 assert(r); 59 assert(i); 60 61 reply = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_HOST_NAME_RESOLVER, avahi_dbus_map_resolve_signal_name(event)); 62 63 if (event == AVAHI_RESOLVER_FOUND) { 64 char t[AVAHI_ADDRESS_STR_MAX], *pt = t; 65 int32_t i_interface, i_protocol, i_aprotocol; 66 uint32_t u_flags; 67 68 assert(a); 69 assert(host_name); 70 avahi_address_snprint(t, sizeof(t), a); 71 72 i_interface = (int32_t) interface; 73 i_protocol = (int32_t) protocol; 74 i_aprotocol = (int32_t) a->proto; 75 u_flags = (uint32_t) flags; 76 77 dbus_message_append_args( 78 reply, 79 DBUS_TYPE_INT32, &i_interface, 80 DBUS_TYPE_INT32, &i_protocol, 81 DBUS_TYPE_STRING, &host_name, 82 DBUS_TYPE_INT32, &i_aprotocol, 83 DBUS_TYPE_STRING, &pt, 84 DBUS_TYPE_UINT32, &u_flags, 85 DBUS_TYPE_INVALID); 86 } else { 87 assert(event == AVAHI_RESOLVER_FAILURE); 88 avahi_dbus_append_server_error(reply); 89 } 90 91 dbus_message_set_destination(reply, i->client->name); 92 dbus_connection_send(server->bus, reply, NULL); 93 dbus_message_unref(reply); 94} 95 96DBusHandlerResult avahi_dbus_msg_async_host_name_resolver_impl(DBusConnection *c, DBusMessage *m, void *userdata) { 97 DBusError error; 98 AsyncHostNameResolverInfo *i = userdata; 99 100 assert(c); 101 assert(m); 102 assert(i); 103 104 dbus_error_init(&error); 105 106 avahi_log_debug(__FILE__": interface=%s, path=%s, member=%s", 107 dbus_message_get_interface(m), 108 dbus_message_get_path(m), 109 dbus_message_get_member(m)); 110 111 /* Introspection */ 112 if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect")) 113 return avahi_dbus_handle_introspect(c, m, "HostNameResolver.introspect"); 114 115 /* Access control */ 116 if (strcmp(dbus_message_get_sender(m), i->client->name)) 117 return avahi_dbus_respond_error(c, m, AVAHI_ERR_ACCESS_DENIED, NULL); 118 119 if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_HOST_NAME_RESOLVER, "Free")) { 120 121 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) { 122 avahi_log_warn("Error parsing HostNameResolver::Free message"); 123 goto fail; 124 } 125 126 avahi_dbus_async_host_name_resolver_free(i); 127 return avahi_dbus_respond_ok(c, m); 128 } 129 130 avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m)); 131 132fail: 133 if (dbus_error_is_set(&error)) 134 dbus_error_free(&error); 135 136 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; 137} 138 139