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 <stdlib.h>
25#include <stdio.h>
26#include <string.h>
27
28#include <dbus/dbus.h>
29
30#include <avahi-client/client.h>
31#include <avahi-common/dbus.h>
32#include <avahi-common/llist.h>
33#include <avahi-common/error.h>
34#include "avahi-common/avahi-malloc.h"
35
36#include "client.h"
37#include "internal.h"
38
39void avahi_entry_group_set_state(AvahiEntryGroup *group, AvahiEntryGroupState state) {
40    assert(group);
41
42    if (group->state_valid && group->state == state)
43        return;
44
45    group->state = state;
46    group->state_valid = 1;
47
48    if (group->callback)
49        group->callback(group, state, group->userdata);
50}
51
52static int retrieve_state(AvahiEntryGroup *group) {
53    DBusMessage *message = NULL, *reply = NULL;
54    DBusError error;
55    int r = AVAHI_OK;
56    int32_t state;
57    AvahiClient *client;
58
59    dbus_error_init(&error);
60
61    assert(group);
62    client = group->client;
63
64    if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, group->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "GetState"))) {
65        r = avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
66        goto fail;
67    }
68
69    if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
70        dbus_error_is_set (&error)) {
71        r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
72        goto fail;
73    }
74
75    if (!dbus_message_get_args(reply, &error, DBUS_TYPE_INT32, &state, DBUS_TYPE_INVALID) ||
76        dbus_error_is_set (&error)) {
77        r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
78        goto fail;
79    }
80
81    dbus_message_unref(message);
82    dbus_message_unref(reply);
83
84    return state;
85
86fail:
87    if (dbus_error_is_set(&error)) {
88        r = avahi_client_set_dbus_error(client, &error);
89        dbus_error_free(&error);
90    }
91
92    if (message)
93        dbus_message_unref(message);
94
95    if (reply)
96        dbus_message_unref(reply);
97
98    return r;
99}
100
101AvahiEntryGroup* avahi_entry_group_new (AvahiClient *client, AvahiEntryGroupCallback callback, void *userdata) {
102    AvahiEntryGroup *group = NULL;
103    DBusMessage *message = NULL, *reply = NULL;
104    DBusError error;
105    char *path;
106    int state;
107
108    assert(client);
109
110    dbus_error_init (&error);
111
112    if (!avahi_client_is_connected(client)) {
113        avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
114        goto fail;
115    }
116
117    if (!(group = avahi_new(AvahiEntryGroup, 1))) {
118        avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
119        goto fail;
120    }
121
122    group->client = client;
123    group->callback = callback;
124    group->userdata = userdata;
125    group->state_valid = 0;
126    group->path = NULL;
127    AVAHI_LLIST_PREPEND(AvahiEntryGroup, groups, client->groups, group);
128
129    if (!(message = dbus_message_new_method_call(
130              AVAHI_DBUS_NAME,
131              AVAHI_DBUS_PATH_SERVER,
132              AVAHI_DBUS_INTERFACE_SERVER,
133              "EntryGroupNew"))) {
134        avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
135        goto fail;
136    }
137
138    if (!(reply = dbus_connection_send_with_reply_and_block (client->bus, message, -1, &error)) ||
139        dbus_error_is_set (&error)) {
140        avahi_client_set_errno (client, AVAHI_ERR_DBUS_ERROR);
141        goto fail;
142    }
143
144    if (!dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID) ||
145        dbus_error_is_set (&error)) {
146        avahi_client_set_errno (client, AVAHI_ERR_DBUS_ERROR);
147        goto fail;
148    }
149
150    if (!(group->path = avahi_strdup (path))) {
151
152        /* FIXME: We don't remove the object on the server side */
153
154        avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
155        goto fail;
156    }
157
158    if ((state = retrieve_state(group)) < 0) {
159        avahi_client_set_errno(client, state);
160        goto fail;
161    }
162
163    avahi_entry_group_set_state(group, (AvahiEntryGroupState) state);
164
165    dbus_message_unref(message);
166    dbus_message_unref(reply);
167
168    return group;
169
170fail:
171    if (dbus_error_is_set(&error)) {
172        avahi_client_set_dbus_error(client, &error);
173        dbus_error_free(&error);
174    }
175
176    if (group)
177        avahi_entry_group_free(group);
178
179    if (message)
180        dbus_message_unref(message);
181
182    if (reply)
183        dbus_message_unref(reply);
184
185    return NULL;
186}
187
188static int entry_group_simple_method_call(AvahiEntryGroup *group, const char *method) {
189    DBusMessage *message = NULL, *reply = NULL;
190    DBusError error;
191    int r = AVAHI_OK;
192    AvahiClient *client;
193
194    dbus_error_init(&error);
195
196    assert(group);
197    client = group->client;
198
199    if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, group->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, method))) {
200        r = avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
201        goto fail;
202    }
203
204    if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
205        dbus_error_is_set (&error)) {
206        r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
207        goto fail;
208    }
209
210    if (!dbus_message_get_args(reply, &error, DBUS_TYPE_INVALID) ||
211        dbus_error_is_set (&error)) {
212        r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
213        goto fail;
214    }
215
216    dbus_message_unref(message);
217    dbus_message_unref(reply);
218
219    return AVAHI_OK;
220
221fail:
222    if (dbus_error_is_set(&error)) {
223        r = avahi_client_set_dbus_error(client, &error);
224        dbus_error_free(&error);
225    }
226
227    if (message)
228        dbus_message_unref(message);
229
230    if (reply)
231        dbus_message_unref(reply);
232
233    return r;
234}
235
236int avahi_entry_group_free(AvahiEntryGroup *group) {
237    AvahiClient *client = group->client;
238    int r = AVAHI_OK;
239
240    assert(group);
241
242    if (group->path && avahi_client_is_connected(client))
243        r = entry_group_simple_method_call(group, "Free");
244
245    AVAHI_LLIST_REMOVE(AvahiEntryGroup, groups, client->groups, group);
246
247    avahi_free(group->path);
248    avahi_free(group);
249
250    return r;
251}
252
253int avahi_entry_group_commit(AvahiEntryGroup *group) {
254    int ret;
255    assert(group);
256
257    if (!group->path || !avahi_client_is_connected(group->client))
258        return avahi_client_set_errno(group->client, AVAHI_ERR_BAD_STATE);
259
260    if ((ret = entry_group_simple_method_call(group, "Commit")) < 0)
261        return ret;
262
263    group->state_valid = 0;
264    return ret;
265}
266
267int avahi_entry_group_reset(AvahiEntryGroup *group) {
268    int ret;
269    assert(group);
270
271    if (!group->path || !avahi_client_is_connected(group->client))
272        return avahi_client_set_errno(group->client, AVAHI_ERR_BAD_STATE);
273
274    if ((ret = entry_group_simple_method_call(group, "Reset")) < 0)
275        return ret;
276
277    group->state_valid = 0;
278    return ret;
279}
280
281int avahi_entry_group_get_state (AvahiEntryGroup *group) {
282    assert (group);
283
284    if (group->state_valid)
285        return group->state;
286
287    return retrieve_state(group);
288}
289
290AvahiClient* avahi_entry_group_get_client (AvahiEntryGroup *group) {
291    assert(group);
292
293    return group->client;
294}
295
296int avahi_entry_group_is_empty (AvahiEntryGroup *group) {
297    DBusMessage *message = NULL, *reply = NULL;
298    DBusError error;
299    int r = AVAHI_OK;
300    int b;
301    AvahiClient *client;
302
303    assert(group);
304    client = group->client;
305
306    if (!group->path || !avahi_client_is_connected(group->client))
307        return avahi_client_set_errno(group->client, AVAHI_ERR_BAD_STATE);
308
309    dbus_error_init(&error);
310
311    if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, group->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "IsEmpty"))) {
312        r = avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
313        goto fail;
314    }
315
316    if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
317        dbus_error_is_set (&error)) {
318        r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
319        goto fail;
320    }
321
322    if (!dbus_message_get_args(reply, &error, DBUS_TYPE_BOOLEAN, &b, DBUS_TYPE_INVALID) ||
323        dbus_error_is_set (&error)) {
324        r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
325        goto fail;
326    }
327
328    dbus_message_unref(message);
329    dbus_message_unref(reply);
330
331    return !!b;
332
333fail:
334    if (dbus_error_is_set(&error)) {
335        r = avahi_client_set_dbus_error(client, &error);
336        dbus_error_free(&error);
337    }
338
339    if (message)
340        dbus_message_unref(message);
341
342    if (reply)
343        dbus_message_unref(reply);
344
345    return r;
346}
347
348static int append_rdata(DBusMessage *message, const void *rdata, size_t size) {
349    DBusMessageIter iter, sub;
350
351    assert(message);
352
353    dbus_message_iter_init_append(message, &iter);
354
355    if (!(dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, DBUS_TYPE_BYTE_AS_STRING, &sub)) ||
356        !(dbus_message_iter_append_fixed_array(&sub, DBUS_TYPE_BYTE, &rdata, size)) ||
357        !(dbus_message_iter_close_container(&iter, &sub)))
358        return -1;
359
360    return 0;
361}
362
363static int append_string_list(DBusMessage *message, AvahiStringList *txt) {
364    DBusMessageIter iter, sub;
365    int r = -1;
366    AvahiStringList *p;
367
368    assert(message);
369
370    dbus_message_iter_init_append(message, &iter);
371
372    /* Reverse the string list, so that we can pass it in-order to the server */
373    txt = avahi_string_list_reverse(txt);
374
375    if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "ay", &sub))
376        goto fail;
377
378    /* Assemble the AvahiStringList into an Array of Array of Bytes to send over dbus */
379    for (p = txt; p != NULL; p = p->next) {
380        DBusMessageIter sub2;
381        const uint8_t *data = p->text;
382
383        if (!(dbus_message_iter_open_container(&sub, DBUS_TYPE_ARRAY, "y", &sub2)) ||
384            !(dbus_message_iter_append_fixed_array(&sub2, DBUS_TYPE_BYTE, &data, p->size)) ||
385            !(dbus_message_iter_close_container(&sub, &sub2)))
386            goto fail;
387    }
388
389    if (!dbus_message_iter_close_container(&iter, &sub))
390        goto fail;
391
392    r = 0;
393
394fail:
395
396    /* Reverse the string list to the original state */
397    txt = avahi_string_list_reverse(txt);
398
399    return r;
400}
401
402int avahi_entry_group_add_service_strlst(
403    AvahiEntryGroup *group,
404    AvahiIfIndex interface,
405    AvahiProtocol protocol,
406    AvahiPublishFlags flags,
407    const char *name,
408    const char *type,
409    const char *domain,
410    const char *host,
411    uint16_t port,
412    AvahiStringList *txt) {
413
414    DBusMessage *message = NULL, *reply = NULL;
415    int r = AVAHI_OK;
416    DBusError error;
417    AvahiClient *client;
418    int32_t i_interface, i_protocol;
419    uint32_t u_flags;
420
421    assert(group);
422    assert(name);
423    assert(type);
424
425    client = group->client;
426
427    if (!group->path || !avahi_client_is_connected(group->client))
428        return avahi_client_set_errno(group->client, AVAHI_ERR_BAD_STATE);
429
430    if (!domain)
431        domain = "";
432
433    if (!host)
434        host = "";
435
436    dbus_error_init(&error);
437
438    if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, group->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "AddService"))) {
439        r = avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
440        goto fail;
441    }
442
443    i_interface = (int32_t) interface;
444    i_protocol = (int32_t) protocol;
445    u_flags = (uint32_t) flags;
446
447    if (!dbus_message_append_args(
448            message,
449            DBUS_TYPE_INT32, &i_interface,
450            DBUS_TYPE_INT32, &i_protocol,
451            DBUS_TYPE_UINT32, &u_flags,
452            DBUS_TYPE_STRING, &name,
453            DBUS_TYPE_STRING, &type,
454            DBUS_TYPE_STRING, &domain,
455            DBUS_TYPE_STRING, &host,
456            DBUS_TYPE_UINT16, &port,
457            DBUS_TYPE_INVALID) ||
458        append_string_list(message, txt) < 0) {
459        r = avahi_client_set_errno(group->client, AVAHI_ERR_NO_MEMORY);
460        goto fail;
461    }
462
463    if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
464        dbus_error_is_set (&error)) {
465        r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
466        goto fail;
467    }
468
469    if (!dbus_message_get_args(reply, &error, DBUS_TYPE_INVALID) ||
470        dbus_error_is_set (&error)) {
471        r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
472        goto fail;
473    }
474
475    dbus_message_unref(message);
476    dbus_message_unref(reply);
477
478    return AVAHI_OK;
479
480fail:
481
482    if (dbus_error_is_set(&error)) {
483        r = avahi_client_set_dbus_error(client, &error);
484        dbus_error_free(&error);
485    }
486
487    if (message)
488        dbus_message_unref(message);
489
490    if (reply)
491        dbus_message_unref(reply);
492
493    return r;
494}
495
496int avahi_entry_group_add_service(
497    AvahiEntryGroup *group,
498    AvahiIfIndex interface,
499    AvahiProtocol protocol,
500    AvahiPublishFlags flags,
501    const char *name,
502    const char *type,
503    const char *domain,
504    const char *host,
505    uint16_t port,
506    ...) {
507
508    va_list va;
509    int r;
510    AvahiStringList *txt;
511
512    assert(group);
513
514    va_start(va, port);
515    txt = avahi_string_list_new_va(va);
516    r = avahi_entry_group_add_service_strlst(group, interface, protocol, flags, name, type, domain, host, port, txt);
517    avahi_string_list_free(txt);
518    va_end(va);
519    return r;
520}
521
522int avahi_entry_group_add_service_subtype(
523    AvahiEntryGroup *group,
524    AvahiIfIndex interface,
525    AvahiProtocol protocol,
526    AvahiPublishFlags flags,
527    const char *name,
528    const char *type,
529    const char *domain,
530    const char *subtype) {
531
532    DBusMessage *message = NULL, *reply = NULL;
533    int r = AVAHI_OK;
534    DBusError error;
535    AvahiClient *client;
536    int32_t i_interface, i_protocol;
537    uint32_t u_flags;
538
539    assert(group);
540    assert(name);
541    assert(type);
542    assert(subtype);
543
544    client = group->client;
545
546    if (!group->path || !avahi_client_is_connected(group->client))
547        return avahi_client_set_errno(group->client, AVAHI_ERR_BAD_STATE);
548
549    if (!domain)
550        domain = "";
551
552    dbus_error_init(&error);
553
554    if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, group->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "AddServiceSubtype"))) {
555        r = avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
556        goto fail;
557    }
558
559    i_interface = (int32_t) interface;
560    i_protocol = (int32_t) protocol;
561    u_flags = (uint32_t) flags;
562
563    if (!dbus_message_append_args(
564            message,
565            DBUS_TYPE_INT32, &i_interface,
566            DBUS_TYPE_INT32, &i_protocol,
567            DBUS_TYPE_UINT32, &u_flags,
568            DBUS_TYPE_STRING, &name,
569            DBUS_TYPE_STRING, &type,
570            DBUS_TYPE_STRING, &domain,
571            DBUS_TYPE_STRING, &subtype,
572            DBUS_TYPE_INVALID)) {
573        r = avahi_client_set_errno(group->client, AVAHI_ERR_NO_MEMORY);
574        goto fail;
575    }
576
577    if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
578        dbus_error_is_set (&error)) {
579        r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
580        goto fail;
581    }
582
583    if (!dbus_message_get_args(reply, &error, DBUS_TYPE_INVALID) ||
584        dbus_error_is_set (&error)) {
585        r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
586        goto fail;
587    }
588
589    dbus_message_unref(message);
590    dbus_message_unref(reply);
591
592    return AVAHI_OK;
593
594fail:
595
596    if (dbus_error_is_set(&error)) {
597        r = avahi_client_set_dbus_error(client, &error);
598        dbus_error_free(&error);
599    }
600
601    if (message)
602        dbus_message_unref(message);
603
604    if (reply)
605        dbus_message_unref(reply);
606
607    return r;
608
609}
610
611int avahi_entry_group_update_service_txt(
612    AvahiEntryGroup *group,
613    AvahiIfIndex interface,
614    AvahiProtocol protocol,
615    AvahiPublishFlags flags,
616    const char *name,
617    const char *type,
618    const char *domain,
619    ...) {
620
621    va_list va;
622    int r;
623    AvahiStringList *txt;
624
625    va_start(va, domain);
626    txt = avahi_string_list_new_va(va);
627    r = avahi_entry_group_update_service_txt_strlst(group, interface, protocol, flags, name, type, domain, txt);
628    avahi_string_list_free(txt);
629    va_end(va);
630    return r;
631}
632
633int avahi_entry_group_update_service_txt_strlst(
634    AvahiEntryGroup *group,
635    AvahiIfIndex interface,
636    AvahiProtocol protocol,
637    AvahiPublishFlags flags,
638    const char *name,
639    const char *type,
640    const char *domain,
641    AvahiStringList *txt) {
642
643    DBusMessage *message = NULL, *reply = NULL;
644    int r = AVAHI_OK;
645    DBusError error;
646    AvahiClient *client;
647    int32_t i_interface, i_protocol;
648    uint32_t u_flags;
649
650    assert(group);
651    assert(name);
652    assert(type);
653
654    client = group->client;
655
656    if (!group->path || !avahi_client_is_connected(group->client))
657        return avahi_client_set_errno(group->client, AVAHI_ERR_BAD_STATE);
658
659    if (!domain)
660        domain = "";
661
662    dbus_error_init(&error);
663
664    if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, group->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "UpdateServiceTxt"))) {
665        r = avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
666        goto fail;
667    }
668
669    i_interface = (int32_t) interface;
670    i_protocol = (int32_t) protocol;
671    u_flags = (uint32_t) flags;
672
673    if (!dbus_message_append_args(
674            message,
675            DBUS_TYPE_INT32, &i_interface,
676            DBUS_TYPE_INT32, &i_protocol,
677            DBUS_TYPE_UINT32, &u_flags,
678            DBUS_TYPE_STRING, &name,
679            DBUS_TYPE_STRING, &type,
680            DBUS_TYPE_STRING, &domain,
681            DBUS_TYPE_INVALID) ||
682        append_string_list(message, txt) < 0) {
683        r = avahi_client_set_errno(group->client, AVAHI_ERR_NO_MEMORY);
684        goto fail;
685    }
686
687    if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
688        dbus_error_is_set (&error)) {
689        r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
690        goto fail;
691    }
692
693    if (!dbus_message_get_args(reply, &error, DBUS_TYPE_INVALID) ||
694        dbus_error_is_set (&error)) {
695        r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
696        goto fail;
697    }
698
699    dbus_message_unref(message);
700    dbus_message_unref(reply);
701
702    return AVAHI_OK;
703
704fail:
705
706    if (dbus_error_is_set(&error)) {
707        r = avahi_client_set_dbus_error(client, &error);
708        dbus_error_free(&error);
709    }
710
711    if (message)
712        dbus_message_unref(message);
713
714    if (reply)
715        dbus_message_unref(reply);
716
717    return r;
718}
719
720/** Add a host/address pair */
721int avahi_entry_group_add_address(
722    AvahiEntryGroup *group,
723    AvahiIfIndex interface,
724    AvahiProtocol protocol,
725    AvahiPublishFlags flags,
726    const char *name,
727    const AvahiAddress *a) {
728
729    DBusMessage *message = NULL, *reply = NULL;
730    int r = AVAHI_OK;
731    DBusError error;
732    AvahiClient *client;
733    int32_t i_interface, i_protocol;
734    uint32_t u_flags;
735    char s_address[AVAHI_ADDRESS_STR_MAX];
736    char *p_address = s_address;
737
738    assert(name);
739
740    client = group->client;
741
742    if (!group->path || !avahi_client_is_connected(group->client))
743        return avahi_client_set_errno(group->client, AVAHI_ERR_BAD_STATE);
744
745    dbus_error_init(&error);
746
747    if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, group->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "AddAddress"))) {
748        r = avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
749        goto fail;
750    }
751
752    i_interface = (int32_t) interface;
753    i_protocol = (int32_t) protocol;
754    u_flags = (uint32_t) flags;
755
756    if (!avahi_address_snprint (s_address, sizeof (s_address), a))
757    {
758        r = avahi_client_set_errno(client, AVAHI_ERR_INVALID_ADDRESS);
759        goto fail;
760    }
761
762    if (!dbus_message_append_args(
763            message,
764            DBUS_TYPE_INT32, &i_interface,
765            DBUS_TYPE_INT32, &i_protocol,
766            DBUS_TYPE_UINT32, &u_flags,
767            DBUS_TYPE_STRING, &name,
768            DBUS_TYPE_STRING, &p_address,
769            DBUS_TYPE_INVALID)) {
770        r = avahi_client_set_errno(group->client, AVAHI_ERR_NO_MEMORY);
771        goto fail;
772    }
773
774    if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
775        dbus_error_is_set (&error)) {
776        r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
777        goto fail;
778    }
779
780    if (!dbus_message_get_args(reply, &error, DBUS_TYPE_INVALID) ||
781        dbus_error_is_set (&error)) {
782        r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
783        goto fail;
784    }
785
786    dbus_message_unref(message);
787    dbus_message_unref(reply);
788
789    return AVAHI_OK;
790
791fail:
792
793    if (dbus_error_is_set(&error)) {
794        r = avahi_client_set_dbus_error(client, &error);
795        dbus_error_free(&error);
796    }
797
798    if (message)
799        dbus_message_unref(message);
800
801    if (reply)
802        dbus_message_unref(reply);
803
804    return r;
805}
806
807/** Add an arbitrary record */
808int avahi_entry_group_add_record(
809    AvahiEntryGroup *group,
810    AvahiIfIndex interface,
811    AvahiProtocol protocol,
812    AvahiPublishFlags flags,
813    const char *name,
814    uint16_t clazz,
815    uint16_t type,
816    uint32_t ttl,
817    const void *rdata,
818    size_t size) {
819
820    DBusMessage *message = NULL, *reply = NULL;
821    int r = AVAHI_OK;
822    DBusError error;
823    AvahiClient *client;
824    int32_t i_interface, i_protocol;
825    uint32_t u_flags;
826
827    assert(name);
828
829    client = group->client;
830
831    if (!group->path || !avahi_client_is_connected(group->client))
832        return avahi_client_set_errno(group->client, AVAHI_ERR_BAD_STATE);
833
834    dbus_error_init(&error);
835
836    if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, group->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "AddRecord"))) {
837        r = avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
838        goto fail;
839    }
840
841    i_interface = (int32_t) interface;
842    i_protocol = (int32_t) protocol;
843    u_flags = (uint32_t) flags;
844
845    if (!dbus_message_append_args(
846            message,
847            DBUS_TYPE_INT32, &i_interface,
848            DBUS_TYPE_INT32, &i_protocol,
849            DBUS_TYPE_UINT32, &u_flags,
850            DBUS_TYPE_STRING, &name,
851            DBUS_TYPE_UINT16, &clazz,
852            DBUS_TYPE_UINT16, &type,
853            DBUS_TYPE_UINT32, &ttl,
854            DBUS_TYPE_INVALID) || append_rdata(message, rdata, size) < 0) {
855        r = avahi_client_set_errno(group->client, AVAHI_ERR_NO_MEMORY);
856        goto fail;
857    }
858
859    if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
860        dbus_error_is_set (&error)) {
861        r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
862        goto fail;
863    }
864
865    if (!dbus_message_get_args(reply, &error, DBUS_TYPE_INVALID) ||
866        dbus_error_is_set (&error)) {
867        r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
868        goto fail;
869    }
870
871    dbus_message_unref(message);
872    dbus_message_unref(reply);
873
874    return AVAHI_OK;
875
876fail:
877
878    if (dbus_error_is_set(&error)) {
879        r = avahi_client_set_dbus_error(client, &error);
880        dbus_error_free(&error);
881    }
882
883    if (message)
884        dbus_message_unref(message);
885
886    if (reply)
887        dbus_message_unref(reply);
888
889    return r;
890}
891