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- /* Copyright (c) 2014, Vsevolod Stakhov
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED ''AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL AUTHOR BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- #ifndef PARSE_H_
- #define PARSE_H_
-
- #include "dns_private.h"
-
- /**
- * Compare request and reply checking names
- * @param req request object
- * @param in incoming packet
- * @param len length of the incoming packet
- * @return new position in the incoming packet or NULL if request is not equal to reply
- */
- uint8_t * rdns_request_reply_cmp (struct rdns_request *req, uint8_t *in, int len);
-
- /**
- * Parse labels in the packet
- * @param in incoming packet
- * @param target target to write the parsed label (out)
- * @param pos output position in the packet (it/out)
- * @param rep dns reply
- * @param remain remaining bytes (in/out)
- * @param make_name create name or just skip to the next label
- * @return true if a label has been successfully parsed
- */
- bool rdns_parse_labels (struct rdns_resolver *resolver,
- uint8_t *in, char **target,
- uint8_t **pos, struct rdns_reply *rep,
- int *remain, bool make_name);
-
- /**
- * Parse resource record
- * @param in incoming packet
- * @param elt new reply entry
- * @param pos output position in the packet (it/out)
- * @param rep dns reply
- * @param remain remaining bytes (in/out)
- * @return 1 if rr has been parsed, 0 if rr has been skipped and -1 if there was a parsing error
- */
- int rdns_parse_rr (struct rdns_resolver *resolver,
- uint8_t *in, struct rdns_reply_entry *elt, uint8_t **pos,
- struct rdns_reply *rep, int *remain);
-
- #endif /* PARSE_H_ */
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