blob: a8e9aadb9f8a68d0836c3d963295c56c92162252 (
plain)
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
|
/*
* Portable socket and peer name services.
* $Id$
* Copyright (c) 1997 by Tycho Softworks.
* For conditions of distribution and reuse see product license.
*/
#include <net/socket.h>
char *homename(SOCKET so)
{
struct hostent *hp;
struct sockaddr_in sin;
int len = sizeof(sin);
if(getsockname(so, (struct sockaddr *)&sin, &len) < 0)
return NULL;
hp = gethostbyaddr((char *)&sin.sin_addr, sizeof(struct in_addr), AF_INET);
if(hp)
return (char *)hp->h_name;
else
return inet_ntoa(sin.sin_addr);
}
char *homeaddr(SOCKET so)
{
struct sockaddr_in sin;
int len = sizeof(sin);
if(getsockname(so, (struct sockaddr *)&sin, &len) < 0)
return NULL;
return inet_ntoa(sin.sin_addr);
}
char *peername(SOCKET so)
{
struct hostent *hp;
struct sockaddr_in sin;
int len = sizeof(sin);
if(getpeername(so, (struct sockaddr *)&sin, &len) < 0)
return NULL;
hp = gethostbyaddr((char *)&sin.sin_addr, sizeof(struct in_addr), AF_INET);
if(hp)
return (char *)hp->h_name;
else
return inet_ntoa(sin.sin_addr);
}
char *peeraddr(SOCKET so)
{
struct sockaddr_in sin;
int len = sizeof(sin);
if(getpeername(so, (struct sockaddr *)&sin, &len) < 0)
return NULL;
return inet_ntoa(sin.sin_addr);
}
|
