From 7566e6a5347b9d6b2b0b8b27f9211599febd8da1 Mon Sep 17 00:00:00 2001 From: Kai Blin Date: Sun, 11 Mar 2012 10:13:51 +0100 Subject: s4 dns: Add a simple async client library --- libcli/dns/libdns.h | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 libcli/dns/libdns.h (limited to 'libcli/dns/libdns.h') diff --git a/libcli/dns/libdns.h b/libcli/dns/libdns.h new file mode 100644 index 0000000000..31474ebc53 --- /dev/null +++ b/libcli/dns/libdns.h @@ -0,0 +1,53 @@ +/* + Unix SMB/CIFS implementation. + + Small async DNS library for Samba with socketwrapper support + + Copyright (C) 2012 Kai Blin + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ + +#ifndef __LIBDNS_H__ +#define __LIBDNS_H__ + +/** Send an dns request to a dns server using UDP + * + *@param mem_ctx talloc memory context to use + *@param ev tevent context to use + *@param server_address address of the server as a string + *@param query dns query to send + *@param query_len length of the query + *@return tevent_req with the active request or NULL on out-of-memory + */ +struct tevent_req *dns_udp_request_send(TALLOC_CTX *mem_ctx, + struct tevent_context *ev, + const char *server_address, + const uint8_t *query, + size_t query_len); + +/** Get the dns response from a dns server via UDP + * + *@param req tevent_req struct returned from dns_request_send + *@param mem_ctx talloc memory context to use for the reply string + *@param reply buffer that will be allocated and filled with the dns reply + *@param reply_len length of the reply buffer + *@return WERROR code depending on the async request result + */ +WERROR dns_udp_request_recv(struct tevent_req *req, + TALLOC_CTX *mem_ctx, + uint8_t **reply, + size_t *reply_len); + +#endif /*__LIBDNS_H__*/ -- cgit