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authorStefan Metzmacher <metze@samba.org>2005-12-31 11:32:55 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 13:49:34 -0500
commitc4d0b5729abe8c61f0a8aa23a310b5c301024689 (patch)
tree31837544b1613f699cb96753566e589241f20c24 /source4
parent24c54281a97832a3a82ed2101ebd16de96f41bd9 (diff)
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r12648: implement the dns proxy feature
metze (This used to be commit b07b201c8671e04d6faae162d883d84c79f0ee94)
Diffstat (limited to 'source4')
-rw-r--r--source4/nbt_server/wins/wins_dns_proxy.c57
1 files changed, 56 insertions, 1 deletions
diff --git a/source4/nbt_server/wins/wins_dns_proxy.c b/source4/nbt_server/wins/wins_dns_proxy.c
index 8fb6396f87..23dfa19cc6 100644
--- a/source4/nbt_server/wins/wins_dns_proxy.c
+++ b/source4/nbt_server/wins/wins_dns_proxy.c
@@ -28,6 +28,38 @@
#include "libcli/composite/composite.h"
#include "smbd/service_task.h"
+struct wins_dns_proxy_state {
+ struct nbt_name_socket *nbtsock;
+ struct nbt_name_packet *packet;
+ struct nbt_peer_socket src;
+};
+
+static void nbtd_wins_dns_proxy_handler(struct composite_context *creq)
+{
+ NTSTATUS status;
+ struct wins_dns_proxy_state *s = talloc_get_type(creq->async.private_data,
+ struct wins_dns_proxy_state);
+ struct nbt_name *name = &s->packet->questions[0].name;
+ const char *address;
+ const char **addresses;
+ uint16_t nb_flags = 0; /* TODO: ... */
+
+ status = resolve_name_recv(creq, s->packet, &address);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto notfound;
+ }
+
+ addresses = str_list_add(NULL, address);
+ talloc_steal(s->packet, addresses);
+ if (!addresses) goto notfound;
+
+ nbtd_name_query_reply(s->nbtsock, s->packet, &s->src, name,
+ 0, nb_flags, addresses);
+ return;
+notfound:
+ nbtd_negative_name_query_reply(s->nbtsock, s->packet, &s->src);
+}
+
/*
dns proxy query a name
*/
@@ -35,6 +67,29 @@ void nbtd_wins_dns_proxy_query(struct nbt_name_socket *nbtsock,
struct nbt_name_packet *packet,
const struct nbt_peer_socket *src)
{
- /* TODO: add a real implementation here */
+ struct nbt_name *name = &packet->questions[0].name;
+ struct nbtd_interface *iface = talloc_get_type(nbtsock->incoming.private,
+ struct nbtd_interface);
+ struct wins_dns_proxy_state *s;
+ struct composite_context *creq;
+ const char *methods[] = {
+ "host",
+ NULL
+ };
+
+ s = talloc(nbtsock, struct wins_dns_proxy_state);
+ if (!s) goto failed;
+ s->nbtsock = nbtsock;
+ s->packet = talloc_steal(s, packet);
+ s->src = *src;
+ talloc_steal(s, src->addr);
+
+ creq = resolve_name_send(name, iface->nbtsrv->task->event_ctx, methods);
+ if (!creq) goto failed;
+
+ creq->async.fn = nbtd_wins_dns_proxy_handler;
+ creq->async.private_data= s;
+ return;
+failed:
nbtd_negative_name_query_reply(nbtsock, packet, src);
}