diff options
Diffstat (limited to 'source4/nbt_server/packet.c')
| -rw-r--r-- | source4/nbt_server/packet.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/source4/nbt_server/packet.c b/source4/nbt_server/packet.c index 6383909149..6e14fef06c 100644 --- a/source4/nbt_server/packet.c +++ b/source4/nbt_server/packet.c @@ -261,3 +261,46 @@ void nbtd_name_release_reply(struct nbt_name_socket *nbtsock, failed: talloc_free(packet); } + + +/* + send a WACK reply +*/ +void nbtd_wack_reply(struct nbt_name_socket *nbtsock, + struct nbt_name_packet *request_packet, + const char *src_address, int src_port, + uint32_t ttl) +{ + struct nbt_name_packet *packet; + struct nbt_name *name = &request_packet->questions[0].name; + + packet = talloc_zero(nbtsock, struct nbt_name_packet); + if (packet == NULL) return; + + packet->name_trn_id = request_packet->name_trn_id; + packet->ancount = 1; + packet->operation = + NBT_FLAG_REPLY | + NBT_OPCODE_WACK | + NBT_FLAG_AUTHORITIVE; + + packet->answers = talloc_array(packet, struct nbt_res_rec, 1); + if (packet->answers == NULL) goto failed; + + packet->answers[0].name = *name; + packet->answers[0].rr_type = NBT_QTYPE_NETBIOS; + packet->answers[0].rr_class = NBT_QCLASS_IP; + packet->answers[0].ttl = ttl; + packet->answers[0].rdata.data.length = 2; + packet->answers[0].rdata.data.data = talloc_size(packet, 2); + if (packet->answers[0].rdata.data.data == NULL) goto failed; + RSSVAL(packet->answers[0].rdata.data.data, 0, request_packet->operation); + + DEBUG(7,("Sending WACK reply for %s to %s:%d\n", + nbt_name_string(packet, name), src_address, src_port)); + + nbt_name_reply_send(nbtsock, src_address, src_port, packet); + +failed: + talloc_free(packet); +} |