| 1 | /*
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| 2 | Unix SMB/CIFS implementation.
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| 3 |
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| 4 | Small async DNS library for Samba with socketwrapper support
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| 5 |
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| 6 | Copyright (C) 2012 Kai Blin <kai@samba.org>
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| 7 |
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| 8 | This program is free software; you can redistribute it and/or modify
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| 9 | it under the terms of the GNU General Public License as published by
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| 10 | the Free Software Foundation; either version 3 of the License, or
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| 11 | (at your option) any later version.
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| 12 |
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| 13 | This program is distributed in the hope that it will be useful,
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| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 16 | GNU General Public License for more details.
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| 17 |
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| 18 | You should have received a copy of the GNU General Public License
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| 19 | along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 20 | */
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| 21 |
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| 22 | #ifndef __LIBDNS_H__
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| 23 | #define __LIBDNS_H__
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| 24 |
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| 25 | /** Send an dns request to a dns server using UDP
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| 26 | *
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| 27 | *@param mem_ctx talloc memory context to use
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| 28 | *@param ev tevent context to use
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| 29 | *@param server_address address of the server as a string
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| 30 | *@param query dns query to send
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| 31 | *@param query_len length of the query
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| 32 | *@return tevent_req with the active request or NULL on out-of-memory
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| 33 | */
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| 34 | struct tevent_req *dns_udp_request_send(TALLOC_CTX *mem_ctx,
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| 35 | struct tevent_context *ev,
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| 36 | const char *server_address,
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| 37 | const uint8_t *query,
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| 38 | size_t query_len);
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| 39 |
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| 40 | /** Get the dns response from a dns server via UDP
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| 41 | *
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| 42 | *@param req tevent_req struct returned from dns_request_send
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| 43 | *@param mem_ctx talloc memory context to use for the reply string
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| 44 | *@param reply buffer that will be allocated and filled with the dns reply
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| 45 | *@param reply_len length of the reply buffer
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| 46 | *@return 0/errno
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| 47 | */
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| 48 | int dns_udp_request_recv(struct tevent_req *req,
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| 49 | TALLOC_CTX *mem_ctx,
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| 50 | uint8_t **reply,
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| 51 | size_t *reply_len);
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| 52 |
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| 53 | #endif /*__LIBDNS_H__*/
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