started dns protocol implementation
This commit is contained in:
@ -22,6 +22,7 @@ LIBADD_LIB_COMMON = $(LIBM) $(LIBLTDL)
|
||||
include_HEADERS = \
|
||||
mio-cfg.h \
|
||||
mio-cmn.h \
|
||||
mio-dns.h \
|
||||
mio-pro.h \
|
||||
mio-sck.h \
|
||||
mio-utl.h \
|
||||
|
@ -365,7 +365,6 @@ pdfdir = @pdfdir@
|
||||
prefix = @prefix@
|
||||
program_transform_name = @program_transform_name@
|
||||
psdir = @psdir@
|
||||
runstatedir = @runstatedir@
|
||||
sbindir = @sbindir@
|
||||
sharedstatedir = @sharedstatedir@
|
||||
srcdir = @srcdir@
|
||||
@ -395,6 +394,7 @@ LIBADD_LIB_COMMON = $(LIBM) $(LIBLTDL)
|
||||
include_HEADERS = \
|
||||
mio-cfg.h \
|
||||
mio-cmn.h \
|
||||
mio-dns.h \
|
||||
mio-pro.h \
|
||||
mio-sck.h \
|
||||
mio-utl.h \
|
||||
|
90
mio/lib/mio-dns.h
Normal file
90
mio/lib/mio-dns.h
Normal file
@ -0,0 +1,90 @@
|
||||
/*
|
||||
* $Id$
|
||||
*
|
||||
Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
|
||||
|
||||
Redistribution and use in source and binary forms, with or without
|
||||
modification, are permitted provided that the following conditions
|
||||
are met:
|
||||
1. Redistributions of source code must retain the above copyright
|
||||
notice, this list of conditions and the following disclaimer.
|
||||
2. 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 BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
|
||||
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WAfRRANTIES
|
||||
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
IN NO EVENT SHALL THE 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 _MIO_DNS_H_
|
||||
#define _MIO_DNS_H_
|
||||
|
||||
#include <mio.h>
|
||||
|
||||
#define MIO_DNS_PORT (53)
|
||||
|
||||
enum mio_dns_opcode_t
|
||||
{
|
||||
MIO_DNS_OPCODE_QUERY = 0, /* standard query */
|
||||
MIO_DNS_OPCODE_IQUERY = 1, /* inverse query */
|
||||
MIO_DNS_OPCODE_STATUS = 2, /* status request */
|
||||
/* 3 unassigned */
|
||||
MIO_DNS_OPCODE_NOTIFY = 4,
|
||||
MIO_DNS_OPCODE_UPDATE = 5
|
||||
};
|
||||
typedef enum mio_dns_opcode_t mio_dns_opcode_t;
|
||||
|
||||
enum mio_dns_rcode_t
|
||||
{
|
||||
MIO_DNS_RCODE_NOERROR = 0,
|
||||
MIO_DNS_RCODE_FORMERR = 1, /* format error */
|
||||
MIO_DNS_RCODE_SERVFAIL = 2, /* server failure */
|
||||
MIO_DNS_RCODE_NXDOMAIN = 3, /* non-existent domain */
|
||||
MIO_DNS_RCODE_NOTIMPL = 4, /* not implemented */
|
||||
MIO_DNS_RCODE_REFUSED = 5, /* query refused */
|
||||
MIO_DNS_RCODE_YXDOMAIN = 6, /* name exists when it should not */
|
||||
MIO_DNS_RCODE_YXRRSET = 7, /* RR set exists when it should not */
|
||||
MIO_DNS_RCODE_NXRRSET = 8, /* RR set exists when it should not */
|
||||
MIO_DNS_RCODE_NOTAUTH = 9, /* not authorized or server not authoritative for zone*/
|
||||
MIO_DNS_RCODE_NOTZONE = 10, /* name not contained in zone */
|
||||
MIO_DNS_RCODE_BADVERS = 16,
|
||||
MIO_DNS_RCODE_BADSIG = 17,
|
||||
MIO_DNS_RCODE_BADTIME = 18,
|
||||
MIO_DNS_RCODE_BADMODE = 19,
|
||||
MIO_DNS_RCODE_BADNAME = 20,
|
||||
MIO_DNS_RCODE_BADALG = 21,
|
||||
MIO_DNS_RCODE_BADTRUNC = 22,
|
||||
MIO_DNS_RCODE_BADCOOKIE = 23
|
||||
};
|
||||
typedef enum mio_dns_rcode_t mio_dns_rcode_t;
|
||||
|
||||
struct mio_dns_msg_t
|
||||
{
|
||||
mio_uint16_t id;
|
||||
mio_uint16_t qr: 1; /* query(0), answer(1) */
|
||||
mio_uint16_t opcode: 4; /* operation type */
|
||||
mio_uint16_t aa: 1; /* authoritative answer */
|
||||
mio_uint16_t tc: 1; /* truncated. response too large for UDP */
|
||||
mio_uint16_t rd: 1; /* recursion desired */
|
||||
mio_uint16_t ra: 1; /* recursion available */
|
||||
mio_uint16_t unused_1: 1;
|
||||
mio_uint16_t ad: 1; /* authentication data - dnssec */
|
||||
mio_uint16_t cd: 1; /* checking disabled - dnssec */
|
||||
mio_uint16_t rcode: 4;
|
||||
mio_uint16_t qdcount;
|
||||
mio_uint16_t ancount;
|
||||
mio_uint16_t nscount;
|
||||
mio_uint16_t arcount;
|
||||
};
|
||||
|
||||
typedef struct mio_dns_msg_t mio-dns
|
||||
|
||||
#endif
|
Reference in New Issue
Block a user