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| 4578 | mejdrech | 1 | /* |
| 2 | * Copyright (c) 2009 Lukas Mejdrech |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 29 | /** @addtogroup netdb |
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| 30 | * @{ |
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| 31 | */ |
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| 32 | |||
| 33 | /** @file |
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| 34 | * Structures and interfaces according to the BSD netdb.h file. |
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| 35 | */ |
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| 36 | |||
| 37 | #ifndef __NET_NETDB_H__ |
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| 38 | #define __NET_NETDB_H__ |
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| 39 | |||
| 40 | #include <sys/types.h> |
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| 41 | |||
| 42 | /** Structure returned by network data base library. |
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| 43 | * All addresses are supplied in host order, and returned in network order (suitable for use in system calls). |
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| 44 | */ |
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| 45 | struct hostent { |
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| 46 | /** Official host name. |
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| 47 | */ |
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| 48 | char * h_name; |
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| 49 | /** Alias list. |
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| 50 | */ |
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| 51 | char ** h_aliases; |
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| 52 | /** Host address type. |
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| 53 | */ |
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| 54 | int h_addrtype; |
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| 55 | /** Address length. |
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| 56 | */ |
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| 57 | int h_length; |
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| 58 | /** List of addresses from name server. |
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| 59 | */ |
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| 60 | char ** h_addr_list; |
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| 61 | /** Address, for backward compatiblity. |
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| 62 | */ |
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| 63 | #define h_addr h_addr_list[ 0 ] |
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| 64 | }; |
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| 65 | |||
| 4704 | mejdrech | 66 | /** @name Host entry address types definitions. |
| 67 | */ |
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| 68 | /*@{*/ |
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| 4578 | mejdrech | 69 | |
| 4704 | mejdrech | 70 | /** Authoritative Answer Host not found address type. |
| 71 | */ |
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| 72 | #define HOST_NOT_FOUND 1 |
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| 73 | |||
| 74 | /** Non-Authoritive Host not found, or SERVERFAIL address type. |
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| 75 | */ |
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| 76 | #define TRY_AGAIN 2 |
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| 77 | |||
| 78 | /** Non recoverable errors, FORMERR, REFUSED, NOTIMP address type. |
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| 79 | */ |
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| 80 | #define NO_RECOVERY 3 |
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| 81 | |||
| 82 | /** Valid name, no data record of requested type address type. |
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| 83 | */ |
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| 84 | #define NO_DATA 4 |
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| 85 | |||
| 86 | /** No address, look for MX record address type. |
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| 87 | */ |
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| 88 | #define NO_ADDRESS NO_DATA |
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| 89 | |||
| 90 | /*@}*/ |
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| 91 | |||
| 92 | /** Returns host entry by the host address. |
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| 93 | * \todo address type? |
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| 94 | * @param address The host address. Input parameter. |
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| 95 | * @param len The address length. Input parameter. |
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| 96 | * @param type The address type. Input parameter. |
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| 97 | * @returns Host entry information. |
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| 98 | */ |
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| 4578 | mejdrech | 99 | struct hostent * gethostbyaddr( const void * address, int len, int type ); |
| 4704 | mejdrech | 100 | |
| 101 | /** Returns host entry by the host name. |
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| 102 | * @param name The host name. Input parameter. |
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| 103 | * @returns Host entry information. |
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| 104 | */ |
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| 4578 | mejdrech | 105 | struct hostent * gethostbyname( const char * name ); |
| 106 | |||
| 107 | #endif |
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| 108 | |||
| 109 | /** @} |
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| 110 | */ |