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54 lines
1.9 KiB
C
54 lines
1.9 KiB
C
/*
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Unix SMB/CIFS implementation.
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Small async DNS library for Samba with socketwrapper support
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Copyright (C) 2012 Kai Blin <kai@samba.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __LIBDNS_H__
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#define __LIBDNS_H__
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/** Send an dns request to a dns server using UDP
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*
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*@param mem_ctx talloc memory context to use
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*@param ev tevent context to use
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*@param server_address address of the server as a string
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*@param query dns query to send
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*@param query_len length of the query
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*@return tevent_req with the active request or NULL on out-of-memory
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*/
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struct tevent_req *dns_udp_request_send(TALLOC_CTX *mem_ctx,
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struct tevent_context *ev,
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const char *server_address,
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const uint8_t *query,
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size_t query_len);
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/** Get the dns response from a dns server via UDP
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*
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*@param req tevent_req struct returned from dns_request_send
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*@param mem_ctx talloc memory context to use for the reply string
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*@param reply buffer that will be allocated and filled with the dns reply
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*@param reply_len length of the reply buffer
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*@return WERROR code depending on the async request result
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*/
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WERROR dns_udp_request_recv(struct tevent_req *req,
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TALLOC_CTX *mem_ctx,
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uint8_t **reply,
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size_t *reply_len);
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#endif /*__LIBDNS_H__*/
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