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7b724b86 | 1 | /* |
c8918a58 | 2 | * $Id: rfc1035.h,v 1.17 2006/04/23 09:02:13 serassio Exp $ |
7b724b86 | 3 | * |
01efce4b | 4 | * AUTHOR: Duane Wessels |
7b724b86 | 5 | * |
2b6662ba | 6 | * SQUID Web Proxy Cache http://www.squid-cache.org/ |
7 | * ---------------------------------------------------------- | |
7b724b86 | 8 | * |
2b6662ba | 9 | * Squid is the result of efforts by numerous individuals from |
10 | * the Internet community; see the CONTRIBUTORS file for full | |
11 | * details. Many organizations have provided support for Squid's | |
12 | * development; see the SPONSORS file for full details. Squid is | |
13 | * Copyrighted (C) 2001 by the Regents of the University of | |
14 | * California; see the COPYRIGHT file for full details. Squid | |
15 | * incorporates software developed and/or copyrighted by other | |
16 | * sources; see the CREDITS file for full details. | |
7b724b86 | 17 | * |
18 | * This program is free software; you can redistribute it and/or modify | |
19 | * it under the terms of the GNU General Public License as published by | |
20 | * the Free Software Foundation; either version 2 of the License, or | |
21 | * (at your option) any later version. | |
22 | * | |
23 | * This program is distributed in the hope that it will be useful, | |
24 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
26 | * GNU General Public License for more details. | |
27 | * | |
28 | * You should have received a copy of the GNU General Public License | |
29 | * along with this program; if not, write to the Free Software | |
30 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. | |
31 | * | |
32 | */ | |
33 | ||
b5638623 | 34 | #ifndef SQUID_RFC1035_H |
35 | #define SQUID_RFC1035_H | |
7b724b86 | 36 | |
37 | #include "config.h" | |
38 | #if HAVE_SYS_TYPES_H | |
39 | #include <sys/types.h> | |
40 | #endif | |
41 | #if HAVE_NETINET_IN_H | |
42 | #include <netinet/in.h> | |
43 | #endif | |
44 | #if HAVE_ARPA_INET_H | |
45 | #include <arpa/inet.h> | |
46 | #endif | |
47 | ||
48 | /* rfc1035 - DNS */ | |
c8918a58 | 49 | #define RFC1035_MAXHOSTNAMESZ 256 |
7b724b86 | 50 | typedef struct _rfc1035_rr rfc1035_rr; |
51 | struct _rfc1035_rr { | |
52 | char name[RFC1035_MAXHOSTNAMESZ]; | |
53 | unsigned short type; | |
29b8d8d6 | 54 | unsigned short _class; |
7b724b86 | 55 | unsigned int ttl; |
56 | unsigned short rdlength; | |
57 | char *rdata; | |
58 | }; | |
ec7bade0 | 59 | typedef struct _rfc1035_query rfc1035_query; |
60 | struct _rfc1035_query { | |
61 | char name[RFC1035_MAXHOSTNAMESZ]; | |
62 | unsigned short qtype; | |
63 | unsigned short qclass; | |
64 | }; | |
65 | typedef struct _rfc1035_message rfc1035_message; | |
66 | struct _rfc1035_message { | |
67 | unsigned short id; | |
68 | unsigned int qr:1; | |
69 | unsigned int opcode:4; | |
70 | unsigned int aa:1; | |
71 | unsigned int tc:1; | |
72 | unsigned int rd:1; | |
73 | unsigned int ra:1; | |
74 | unsigned int rcode:4; | |
75 | unsigned short qdcount; | |
76 | unsigned short ancount; | |
77 | unsigned short nscount; | |
78 | unsigned short arcount; | |
79 | rfc1035_query *query; | |
80 | rfc1035_rr *answer; | |
81 | }; | |
82 | ||
108d67a0 | 83 | SQUIDCEXTERN ssize_t rfc1035BuildAQuery(const char *hostname, |
7b724b86 | 84 | char *buf, |
108d67a0 | 85 | size_t sz, |
9e1f210d | 86 | unsigned short qid, |
2041330b | 87 | rfc1035_query * query); |
108d67a0 | 88 | SQUIDCEXTERN ssize_t rfc1035BuildPTRQuery(const struct IN_ADDR, |
34a46fef | 89 | char *buf, |
108d67a0 | 90 | size_t sz, |
9e1f210d | 91 | unsigned short qid, |
2041330b | 92 | rfc1035_query * query); |
108d67a0 | 93 | SQUIDCEXTERN void rfc1035SetQueryID(char *, unsigned short qid); |
ec7bade0 | 94 | SQUIDCEXTERN int rfc1035MessageUnpack(const char *buf, |
7b724b86 | 95 | size_t sz, |
ec7bade0 | 96 | rfc1035_message ** answer); |
9e1f210d | 97 | SQUIDCEXTERN int rfc1035QueryCompare(const rfc1035_query *, const rfc1035_query *); |
ec7bade0 | 98 | SQUIDCEXTERN void rfc1035MessageDestroy(rfc1035_message * message); |
e6ccf245 | 99 | SQUIDCEXTERN int rfc1035_errno; |
100 | SQUIDCEXTERN const char *rfc1035_error_message; | |
7b724b86 | 101 | |
102 | #define RFC1035_TYPE_A 1 | |
2d320a3a | 103 | #define RFC1035_TYPE_CNAME 5 |
34a46fef | 104 | #define RFC1035_TYPE_PTR 12 |
7b724b86 | 105 | #define RFC1035_CLASS_IN 1 |
106 | ||
b5638623 | 107 | #endif /* SQUID_RFC1035_H */ |