1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
/*
* Copyright 2005-2012 SPARTA, Inc. All rights reserved.
* See the COPYING file distributed with this software for details.
*
* Author: Abhijit Hayatnagarkar
*
* This is a header file for data structures and functions for parsing
* DNSSEC Resource Records.
*/
#ifndef VAL_PARSE_H
#define VAL_PARSE_H
/*
* Parse a domain name
*/
int val_parse_dname(const u_char *buf, size_t buflen,
size_t offset, char *dname, size_t *namelen);
/*
* Parse the rdata portion of a DNSKEY resource record
*/
int val_parse_dnskey_rdata(const u_char *buf,
size_t buflen,
val_dnskey_rdata_t * rdata);
/*
* Parse the dnskey from the string. The string contains the flags,
* protocol, algorithm and the base64 key delimited by spaces.
*/
int val_parse_dnskey_string(char *keystr, size_t keystrlen,
val_dnskey_rdata_t **
dnskey_rdata);
/*
* Parse the ds from the string.
*/
int val_parse_ds_string(char *dsstr, size_t dsstrlen,
val_ds_rdata_t ** ds_rdata);
/*
* Parse the rdata portion of an RRSIG resource record
*/
int val_parse_rrsig_rdata(const u_char *buf, size_t buflen,
val_rrsig_rdata_t * rdata);
/*
* Parse the rdata portion of an DS resource record
*/
int val_parse_ds_rdata(const u_char *buf, size_t buflen,
val_ds_rdata_t * rdata);
#ifdef LIBVAL_NSEC3
val_nsec3_rdata_t *val_parse_nsec3_rdata(u_char * rr_rdata,
size_t rdatalen,
val_nsec3_rdata_t * nd);
#endif
/*
* Parse the ETC_HOSTS file
*/
#define ETC_HOSTS "/etc/hosts"
#define MAXLINE 4096
#define MAX_ALIAS_COUNT 2048
struct hosts {
char *address;
char *canonical_hostname;
char **aliases; /* An array. The last element is NULL */
struct hosts *next;
};
/*
* A macro to free memory allocated for hosts
*/
#define FREE_HOSTS(hentry) do { \
if (hentry) { \
int i = 0; \
if (hentry->address) free (hentry->address); \
if (hentry->canonical_hostname) free (hentry->canonical_hostname); \
if (hentry->aliases) { \
for (i=0; hentry->aliases[i] != 0; i++) { \
if (hentry->aliases[i]) free (hentry->aliases[i]); \
} \
free (hentry->aliases); \
} \
free (hentry); \
} \
} while (0)
#endif
|
