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
|
/** @file
A brief file description
@section license License
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#include "libts.h"
#if defined(darwin)
extern "C"
{
struct hostent *gethostbyname_r(const char *name, struct hostent *result, char *buffer, int buflen, int *h_errnop);
struct hostent *gethostbyaddr_r(const char *name, size_t size, int type,
struct hostent *result, char *buffer, int buflen, int *h_errnop);
}
#endif
struct hostent *
ink_gethostbyname_r(char *hostname, ink_gethostbyname_r_data * data)
{
#ifdef RENTRENT_GETHOSTBYNAME
struct hostent *r = gethostbyname(hostname);
if (r)
data->ent = *r;
data->herrno = errno;
#else //RENTRENT_GETHOSTBYNAME
#if GETHOSTBYNAME_R_GLIBC2
struct hostent *addrp = NULL;
int res = gethostbyname_r(hostname, &data->ent, data->buf,
INK_GETHOSTBYNAME_R_DATA_SIZE, &addrp,
&data->herrno);
struct hostent *r = NULL;
if (!res && addrp)
r = addrp;
#else
struct hostent *r = gethostbyname_r(hostname, &data->ent, data->buf,
INK_GETHOSTBYNAME_R_DATA_SIZE,
&data->herrno);
#endif
#endif
return r;
}
struct hostent *
ink_gethostbyaddr_r(char *ip, int len, int type, ink_gethostbyaddr_r_data * data)
{
#if GETHOSTBYNAME_R_GLIBC2
struct hostent *r = NULL;
struct hostent *addrp = NULL;
int res = gethostbyaddr_r((char *) ip, len, type, &data->ent, data->buf,
INK_GETHOSTBYNAME_R_DATA_SIZE, &addrp,
&data->herrno);
if (!res && addrp)
r = addrp;
#else
#ifdef RENTRENT_GETHOSTBYADDR
struct hostent *r = gethostbyaddr((const void *) ip, len, type);
#else
struct hostent *r = gethostbyaddr_r((char *) ip, len, type, &data->ent,
data->buf,
INK_GETHOSTBYNAME_R_DATA_SIZE,
&data->herrno);
#endif
#endif //LINUX
return r;
}
unsigned int
host_to_ip(char *hostname)
{
struct hostent *he;
he = gethostbyname(hostname);
if (he == NULL)
return INADDR_ANY;
return *(unsigned int *) he->h_addr;
}
uint32_t
ink_inet_addr(const char *s)
{
uint32_t u[4];
uint8_t *pc = (uint8_t *) s;
int n = 0;
uint32_t base = 10;
while (n < 4) {
u[n] = 0;
base = 10;
// handle hex, octal
if (*pc == '0') {
if (*++pc == 'x' || *pc == 'X')
base = 16, pc++;
else
base = 8;
}
// handle hex, octal, decimal
while (*pc) {
if (ParseRules::is_digit(*pc)) {
u[n] = u[n] * base + (*pc++ - '0');
continue;
}
if (base == 16 && ParseRules::is_hex(*pc)) {
u[n] = u[n] * 16 + ParseRules::ink_tolower(*pc++) - 'a' + 10;
continue;
}
break;
}
n++;
if (*pc == '.')
pc++;
else
break;
}
if (*pc && !ParseRules::is_wslfcr(*pc))
return htonl((uint32_t) - 1);
switch (n) {
case 1:
return htonl(u[0]);
case 2:
if (u[0] > 0xff || u[1] > 0xffffff)
return htonl((uint32_t) - 1);
return htonl((u[0] << 24) | u[1]);
case 3:
if (u[0] > 0xff || u[1] > 0xff || u[2] > 0xffff)
return htonl((uint32_t) - 1);
return htonl((u[0] << 24) | (u[1] << 16) | u[2]);
case 4:
if (u[0] > 0xff || u[1] > 0xff || u[2] > 0xff || u[3] > 0xff)
return htonl((uint32_t) - 1);
return htonl((u[0] << 24) | (u[1] << 16) | (u[2] << 8) | u[3]);
}
return htonl((uint32_t) - 1);
}
const char *ink_inet_ntop(const struct sockaddr *addr, char *dst, size_t size)
{
void *address = NULL;
switch (addr->sa_family) {
case AF_INET:
address = &((struct sockaddr_in *)addr)->sin_addr;
break;
case AF_INET6:
address = &((struct sockaddr_in6 *)addr)->sin6_addr;
break;
}
return inet_ntop(addr->sa_family, address, dst, size);
}
uint16_t ink_inet_port(const struct sockaddr *addr)
{
uint16_t port = 0;
switch (addr->sa_family) {
case AF_INET:
port = ntohs(((struct sockaddr_in *)addr)->sin_port);
break;
case AF_INET6:
port = ntohs(((struct sockaddr_in6 *)addr)->sin6_port);
break;
}
return port;
}
|
