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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
|
/*
* Copyright (c) 2001, 02 Motoyuki Kasahara
*
* 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.
* 3. Neither the name of the project nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS 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 GETADDRINFO_H
#define GETADDRINFO_H
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <sys/types.h>
#ifdef WIN32
#include <time.h>
#include <winsock2.h>
#ifdef DO_IPV6
#include <ws2tcpip.h>
#endif /* DO_IPV6 */
#include <windows.h>
#else
#include <sys/socket.h>
#include <netdb.h>
#endif
/********************************************************************/
/*
* Undefine all the macros.
* <netdb.h> might defines some of them.
*/
#ifdef EAI_ADDRFAMILY
#undef EAI_ADDRFAMILY
#endif
#ifdef EAI_AGAIN
#undef EAI_AGAIN
#endif
#ifdef EAI_BADFLAGS
#undef EAI_BADFLAGS
#endif
#ifdef EAI_FAIL
#undef EAI_FAIL
#endif
#ifdef EAI_FAMILY
#undef EAI_FAMILY
#endif
#ifdef EAI_MEMORY
#undef EAI_MEMORY
#endif
#ifdef EAI_NONAME
#undef EAI_NONAME
#endif
#ifdef EAI_OVERFLOW
#undef EAI_OVERFLOW
#endif
#ifdef EAI_SERVICE
#undef EAI_SERVICE
#endif
#ifdef EAI_SOCKTYPE
#undef EAI_SOCKTYPE
#endif
#ifdef EAI_SYSTEM
#undef EAI_SYSTEM
#endif
#ifdef AI_PASSIVE
#undef AI_PASSIVE
#endif
#ifdef AI_CANONNAME
#undef AI_CANONNAME
#endif
#ifdef AI_NUMERICHOST
#undef AI_NUMERICHOST
#endif
#ifdef AI_NUMERICSERV
#undef AI_NUMERICSERV
#endif
#ifdef AI_V4MAPPED
#undef AI_V4MAPPED
#endif
#ifdef AI_ALL
#undef AI_ALL
#endif
#ifdef AI_ADDRCONFIG
#undef AI_ADDRCONFIG
#endif
#ifdef AI_DEFAULT
#undef AI_DEFAULT
#endif
#ifdef NI_NOFQDN
#undef NI_NOFQDN
#endif
#ifdef NI_NUMERICHOST
#undef NI_NUMERICHOST
#endif
#ifdef NI_NAMEREQD
#undef NI_NAMEREQD
#endif
#ifdef NI_NUMERICSERV
#undef NI_NUMERICSERV
#endif
#ifdef NI_NUMERICSCOPE
#undef NI_NUMERICSCOPE
#endif
#ifdef NI_DGRAM
#undef NI_DGRAM
#endif
#ifdef NI_MAXHOST
#undef NI_MAXHOST
#endif
#ifdef NI_MAXSERV
#undef NI_MAXSERV
#endif
/*
* Fake struct and function names.
* <netdb.h> might declares all or some of them.
*/
#if defined(HAVE_GETADDRINFO) || defined(HAVE_GETNAMEINFO)
#define addrinfo my_addrinfo
#define gai_strerror my_gai_strerror
#define freeaddrinfo my_freeaddrinfo
#define getaddrinfo my_getaddrinfo
#define getnameinfo my_getnameinfo
#endif
/********************************************************************/
/*
* Error codes.
*/
#define EAI_ADDRFAMILY 1
#define EAI_AGAIN 2
#define EAI_BADFLAGS 3
#define EAI_FAIL 4
#define EAI_FAMILY 5
#define EAI_MEMORY 6
#define EAI_NONAME 7
#define EAI_OVERFLOW 8
#define EAI_SERVICE 9
#define EAI_SOCKTYPE 10
#define EAI_SYSTEM 11
/*
* Flags for getaddrinfo().
*/
#define AI_ADDRCONFIG 0x0001
#define AI_ALL 0x0002
#define AI_CANONNAME 0x0004
#define AI_NUMERICHOST 0x0008
#define AI_NUMERICSERV 0x0010
#define AI_PASSIVE 0x0020
#define AI_V4MAPPED 0x0040
#define AI_DEFAULT (AI_V4MAPPED | AI_ADDRCONFIG)
/*
* Flags for getnameinfo().
*/
#define NI_DGRAM 0x0001
#define NI_NAMEREQD 0x0002
#define NI_NOFQDN 0x0004
#define NI_NUMERICHOST 0x0008
#define NI_NUMERICSCOPE 0x0010
#define NI_NUMERICSERV 0x0020
/*
* Maximum length of FQDN and servie name for getnameinfo().
*/
#define NI_MAXHOST 1025
#define NI_MAXSERV 32
/*
* Address families and Protocol families.
*/
#ifndef AF_UNSPEC
#define AF_UNSPEC AF_INET
#endif
#ifndef PF_UNSPEC
#define PF_UNSPEC PF_INET
#endif
/*
* struct addrinfo.
*/
struct addrinfo {
int ai_flags;
int ai_family;
int ai_socktype;
int ai_protocol;
socklen_t ai_addrlen;
char *ai_canonname;
struct sockaddr *ai_addr;
struct addrinfo *ai_next;
};
/*
* Functions.
*/
#ifdef __STDC__
const char *gai_strerror(int);
void freeaddrinfo(struct addrinfo *);
int getaddrinfo(const char *, const char *, const struct addrinfo *,
struct addrinfo **);
int getnameinfo(const struct sockaddr *, socklen_t, char *,
socklen_t, char *, socklen_t, int);
#else
const char *gai_strerror();
void freeaddrinfo();
int getaddrinfo();
int getnameinfo();
#endif
#endif /* not GETADDRINFO_H */
|
