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
|
#include <stdint.h>
#include <string.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
extern const uint8_t milter_api_address_type_ipv4;
extern const uint8_t milter_api_address_type_ipv6;
extern const uint8_t milter_api_address_type_unknown;
uint8_t milter_api_address_type(struct sockaddr const* const endpoint) {
if(endpoint->sa_family == AF_INET) {
return milter_api_address_type_ipv4;
} else if(endpoint->sa_family == AF_INET6) {
return milter_api_address_type_ipv6;
} else {
return milter_api_address_type_unknown;
}
}
void milter_api_ipv4_address(struct sockaddr_in const* const endpoint, // in
uint8_t* const buffer) // out
{
memcpy(buffer, &endpoint->sin_addr, 4);
}
void milter_api_ipv6_address(struct sockaddr_in6 const* const endpoint, // in
uint8_t* const buffer) // out
{
memcpy(buffer, &endpoint->sin6_addr, 16);
}
void milter_api_address_string(struct sockaddr const* const endpoint, // in
char* const buffer, // out
const uint8_t size) // in
{
char const* result = NULL;
if(endpoint->sa_family == AF_INET) {
result = inet_ntop(endpoint->sa_family,
&((struct sockaddr_in const*)endpoint)->sin_addr,
buffer, size);
} else if(endpoint->sa_family == AF_INET6) {
result = inet_ntop(endpoint->sa_family,
&((struct sockaddr_in6 const*)endpoint)->sin6_addr,
buffer, size);
}
if(result == NULL) {
strncpy(buffer, "(error in address conversion)", size);
buffer[size - 1] = '\0';
}
}
uint16_t milter_api_port(struct sockaddr const* const endpoint) {
if(endpoint->sa_family == AF_INET) {
return ntohs(((struct sockaddr_in const*)endpoint)->sin_port);
} else if(endpoint->sa_family == AF_INET6) {
return ntohs(((struct sockaddr_in6 const*)endpoint)->sin6_port);
} else {
return 0;
}
}
|