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_service_resolver_free(AsyncServiceResolverInfo *i) {
37    assert(i);
38
39    if (i->service_resolver)
40        avahi_s_service_resolver_free(i->service_resolver);
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(AsyncServiceResolverInfo, async_service_resolvers, i->client->async_service_resolvers, i);
48
49    i->client->n_objects--;
50    assert(i->client->n_objects >= 0);
51
52    avahi_free(i);
53}
54
55void avahi_dbus_async_service_resolver_callback(
56    AvahiSServiceResolver *r,
57    AvahiIfIndex interface,
58    AvahiProtocol protocol,
59    AvahiResolverEvent event,
60    const char *name,
61    const char *type,
62    const char *domain,
63    const char *host_name,
64    const AvahiAddress *a,
65    uint16_t port,
66    AvahiStringList *txt,
67    AvahiLookupResultFlags flags,
68    void* userdata) {
69
70    AsyncServiceResolverInfo *i = userdata;
71    DBusMessage *reply;
72
73    assert(r);
74    assert(i);
75
76    reply = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_SERVICE_RESOLVER, avahi_dbus_map_resolve_signal_name(event));
77
78    if (event == AVAHI_RESOLVER_FOUND) {
79        char t[AVAHI_ADDRESS_STR_MAX], *pt = t;
80        int32_t i_interface, i_protocol, i_aprotocol;
81        uint32_t u_flags;
82
83        assert(host_name);
84
85/*         avahi_log_debug(__FILE__": [%s] Successfully resolved service <%s.%s.%s>", i->path, name, type, domain); */
86
87        if (a)
88            avahi_address_snprint(t, sizeof(t), a);
89        else
90            t[0] = 0;
91
92        if (!name)
93            name = "";
94
95        if (avahi_dbus_is_our_own_service(i->client, interface, protocol, name, type, domain) > 0)
96            flags |= AVAHI_LOOKUP_RESULT_OUR_OWN;
97
98        i_interface = (int32_t) interface;
99        i_protocol = (int32_t) protocol;
100        if (a)
101	    i_aprotocol = (int32_t) a->proto;
102	else
103	    i_aprotocol = AVAHI_PROTO_UNSPEC;
104        u_flags = (uint32_t) flags;
105
106        dbus_message_append_args(
107            reply,
108            DBUS_TYPE_INT32, &i_interface,
109            DBUS_TYPE_INT32, &i_protocol,
110            DBUS_TYPE_STRING, &name,
111            DBUS_TYPE_STRING, &type,
112            DBUS_TYPE_STRING, &domain,
113            DBUS_TYPE_STRING, &host_name,
114            DBUS_TYPE_INT32, &i_aprotocol,
115            DBUS_TYPE_STRING, &pt,
116            DBUS_TYPE_UINT16, &port,
117            DBUS_TYPE_INVALID);
118
119        avahi_dbus_append_string_list(reply, txt);
120
121        dbus_message_append_args(
122            reply,
123            DBUS_TYPE_UINT32, &u_flags,
124            DBUS_TYPE_INVALID);
125    }  else {
126        assert(event == AVAHI_RESOLVER_FAILURE);
127        avahi_dbus_append_server_error(reply);
128    }
129
130    dbus_message_set_destination(reply, i->client->name);
131    dbus_connection_send(server->bus, reply, NULL);
132    dbus_message_unref(reply);
133}
134
135DBusHandlerResult avahi_dbus_msg_async_service_resolver_impl(DBusConnection *c, DBusMessage *m, void *userdata) {
136    DBusError error;
137    AsyncServiceResolverInfo *i = userdata;
138
139    assert(c);
140    assert(m);
141    assert(i);
142
143    dbus_error_init(&error);
144
145    avahi_log_debug(__FILE__": interface=%s, path=%s, member=%s",
146                    dbus_message_get_interface(m),
147                    dbus_message_get_path(m),
148                    dbus_message_get_member(m));
149
150    /* Introspection */
151    if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect"))
152        return avahi_dbus_handle_introspect(c, m, "ServiceResolver.introspect");
153
154    /* Access control */
155    if (strcmp(dbus_message_get_sender(m), i->client->name))
156        return avahi_dbus_respond_error(c, m, AVAHI_ERR_ACCESS_DENIED, NULL);
157
158    if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVICE_RESOLVER, "Free")) {
159
160        if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
161            avahi_log_warn("Error parsing ServiceResolver::Free message");
162            goto fail;
163        }
164
165        avahi_dbus_async_service_resolver_free(i);
166        return avahi_dbus_respond_ok(c, m);
167    }
168
169    avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m));
170
171fail:
172    if (dbus_error_is_set(&error))
173        dbus_error_free(&error);
174
175    return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
176}
177
178