From c4d0b5729abe8c61f0a8aa23a310b5c301024689 Mon Sep 17 00:00:00 2001 From: Stefan Metzmacher Date: Sat, 31 Dec 2005 11:32:55 +0000 Subject: r12648: implement the dns proxy feature metze (This used to be commit b07b201c8671e04d6faae162d883d84c79f0ee94) --- source4/nbt_server/wins/wins_dns_proxy.c | 57 +++++++++++++++++++++++++++++++- 1 file changed, 56 insertions(+), 1 deletion(-) (limited to 'source4/nbt_server/wins') 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); } -- cgit