1/*
2 * socktoa - return a numeric host name from a sockaddr_storage structure
3 */
4
5#ifdef HAVE_CONFIG_H
6#include <config.h>
7#endif
8
9#include <sys/types.h>
10#ifdef HAVE_SYS_SOCKET_H
11#include <sys/socket.h>
12#endif
13#ifdef HAVE_NETINET_IN_H
14#include <netinet/in.h>
15#endif
16
17#include <arpa/inet.h>
18
19#ifdef ISC_PLATFORM_NEEDNTOP
20#include <isc/net.h>
21#endif
22
23#include <stdio.h>
24
25#include "ntp_fp.h"
26#include "lib_strbuf.h"
27#include "ntp_stdlib.h"
28#include "ntp.h"
29
30char *
31socktoa(
32	sockaddr_u *sock
33	)
34{
35	register char *buffer;
36
37	LIB_GETBUF(buffer);
38
39	if (NULL == sock)
40		strncpy(buffer, "(null)", LIB_BUFLENGTH);
41	else {
42		switch(AF(sock)) {
43
44		case AF_INET:
45		case AF_UNSPEC:
46			inet_ntop(AF_INET, PSOCK_ADDR4(sock), buffer,
47				  LIB_BUFLENGTH);
48			break;
49
50		case AF_INET6:
51			inet_ntop(AF_INET6, PSOCK_ADDR6(sock), buffer,
52				  LIB_BUFLENGTH);
53			break;
54
55		default:
56			snprintf(buffer, LIB_BUFLENGTH,
57				 "(socktoa unknown family %d)",
58				 AF(sock));
59		}
60	}
61	return buffer;
62}
63