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
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
#ifndef _RESOLV_H_
#define _RESOLV_H_
#include <stdint.h>
#include <arpa/nameser.h>
#include <netinet/in.h>
#ifdef __cplusplus
extern "C" {
#endif
#define MAXNS 3
#define MAXDFLSRCH 3
#define MAXDNSRCH 6
#define LOCALDOMAINPARTS 2
#define RES_TIMEOUT 5
#define MAXRESOLVSORT 10
#define RES_MAXNDOTS 15
#define RES_MAXRETRANS 30
#define RES_MAXRETRY 5
#define RES_DFLRETRY 2
#define RES_MAXTIME 65535
/* unused; purely for broken apps */
typedef struct __res_state {
int retrans;
int retry;
unsigned long options;
int nscount;
struct sockaddr_in nsaddr_list[MAXNS];
# define nsaddr nsaddr_list[0]
unsigned short id;
char *dnsrch[MAXDNSRCH+1];
char defdname[256];
unsigned long pfcode;
unsigned ndots:4;
unsigned nsort:4;
unsigned ipv6_unavail:1;
unsigned unused:23;
struct {
struct in_addr addr;
uint32_t mask;
} sort_list[MAXRESOLVSORT];
void *qhook;
void *rhook;
int res_h_errno;
int _vcsock;
unsigned _flags;
union {
char pad[52];
struct {
uint16_t nscount;
uint16_t nsmap[MAXNS];
int nssocks[MAXNS];
uint16_t nscount6;
uint16_t nsinit;
struct sockaddr_in6 *nsaddrs[MAXNS];
unsigned int _initstamp[2];
} _ext;
} _u;
} *res_state;
#define __RES 19991006
#ifndef _PATH_RESCONF
#define _PATH_RESCONF "/etc/resolv.conf"
#endif
struct res_sym {
int number;
char *name;
char *humanname;
};
#define RES_F_VC 0x00000001
#define RES_F_CONN 0x00000002
#define RES_F_EDNS0ERR 0x00000004
#define RES_EXHAUSTIVE 0x00000001
#define RES_INIT 0x00000001
#define RES_DEBUG 0x00000002
#define RES_AAONLY 0x00000004
#define RES_USEVC 0x00000008
#define RES_PRIMARY 0x00000010
#define RES_IGNTC 0x00000020
#define RES_RECURSE 0x00000040
#define RES_DEFNAMES 0x00000080
#define RES_STAYOPEN 0x00000100
#define RES_DNSRCH 0x00000200
#define RES_INSECURE1 0x00000400
#define RES_INSECURE2 0x00000800
#define RES_NOALIASES 0x00001000
#define RES_USE_INET6 0x00002000
#define RES_ROTATE 0x00004000
#define RES_NOCHECKNAME 0x00008000
#define RES_KEEPTSIG 0x00010000
#define RES_BLAST 0x00020000
#define RES_USEBSTRING 0x00040000
#define RES_NOIP6DOTINT 0x00080000
#define RES_USE_EDNS0 0x00100000
#define RES_SNGLKUP 0x00200000
#define RES_SNGLKUPREOP 0x00400000
#define RES_USE_DNSSEC 0x00800000
#define RES_DEFAULT (RES_RECURSE|RES_DEFNAMES|RES_DNSRCH|RES_NOIP6DOTINT)
#define RES_PRF_STATS 0x00000001
#define RES_PRF_UPDATE 0x00000002
#define RES_PRF_CLASS 0x00000004
#define RES_PRF_CMD 0x00000008
#define RES_PRF_QUES 0x00000010
#define RES_PRF_ANS 0x00000020
#define RES_PRF_AUTH 0x00000040
#define RES_PRF_ADD 0x00000080
#define RES_PRF_HEAD1 0x00000100
#define RES_PRF_HEAD2 0x00000200
#define RES_PRF_TTLID 0x00000400
#define RES_PRF_HEADX 0x00000800
#define RES_PRF_QUERY 0x00001000
#define RES_PRF_REPLY 0x00002000
#define RES_PRF_INIT 0x00004000
extern struct __res_state *__res_state(void);
#define _res (*__res_state())
struct rrec;
int res_init(void);
int res_query(const char *, int, int, unsigned char *, int);
int res_querydomain(const char *, const char *, int, int, unsigned char *, int);
int res_search(const char *, int, int, unsigned char *, int);
int res_mkquery(int, const char *, int, int, char *, int, struct rrec *, char *, int);
int res_send(const char *, int, char *, int);
int dn_comp(unsigned char *, unsigned char *, int, unsigned char **, unsigned char *, unsigned char **);
int dn_expand(unsigned char *, unsigned char *, unsigned char *, unsigned char *, int);
#ifdef __cplusplus
}
#endif
#endif
|
