2 Unix SMB/CIFS implementation.
6 Copyright (C) Stefan Metzmacher 2005
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #include "nbt_server/nbt_server.h"
24 #include "nbt_server/wins/winsdb.h"
25 #include "nbt_server/wins/winsserver.h"
26 #include "system/time.h"
27 #include "libcli/composite/composite.h"
28 #include "smbd/service_task.h"
29 #include "libcli/resolve/resolve.h"
31 struct wins_dns_proxy_state {
32 struct nbt_name_socket *nbtsock;
33 struct nbt_name_packet *packet;
34 struct socket_address *src;
37 static void nbtd_wins_dns_proxy_handler(struct composite_context *creq)
40 struct wins_dns_proxy_state *s = talloc_get_type(creq->async.private_data,
41 struct wins_dns_proxy_state);
42 struct nbt_name *name = &s->packet->questions[0].name;
44 const char **addresses;
45 uint16_t nb_flags = 0; /* TODO: ... */
47 status = resolve_name_recv(creq, s->packet, &address);
48 if (!NT_STATUS_IS_OK(status)) {
52 addresses = str_list_add(NULL, address);
53 talloc_steal(s->packet, addresses);
54 if (!addresses) goto notfound;
56 nbtd_name_query_reply(s->nbtsock, s->packet, s->src, name,
57 0, nb_flags, addresses);
60 nbtd_negative_name_query_reply(s->nbtsock, s->packet, s->src);
64 dns proxy query a name
66 void nbtd_wins_dns_proxy_query(struct nbt_name_socket *nbtsock,
67 struct nbt_name_packet *packet,
68 struct socket_address *src)
70 struct nbt_name *name = &packet->questions[0].name;
71 struct nbtd_interface *iface = talloc_get_type(nbtsock->incoming.private,
72 struct nbtd_interface);
73 struct wins_dns_proxy_state *s;
74 struct composite_context *creq;
75 const char *methods[] = {
80 s = talloc(nbtsock, struct wins_dns_proxy_state);
83 s->packet = talloc_steal(s, packet);
85 if (!talloc_reference(s, src)) {
89 creq = resolve_name_send(name, iface->nbtsrv->task->event_ctx, methods);
90 if (!creq) goto failed;
92 creq->async.fn = nbtd_wins_dns_proxy_handler;
93 creq->async.private_data= s;
96 nbtd_negative_name_query_reply(nbtsock, packet, src);