1/*
2 * IP address processing
3 * Copyright (c) 2003-2006, Jouni Malinen <j@w1.fi>
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9#include "includes.h"
10
11#include "common.h"
12#include "ip_addr.h"
13
14const char * hostapd_ip_txt(const struct hostapd_ip_addr *addr, char *buf,
15			    size_t buflen)
16{
17	if (buflen == 0 || addr == NULL)
18		return NULL;
19
20	if (addr->af == AF_INET) {
21		os_strlcpy(buf, inet_ntoa(addr->u.v4), buflen);
22	} else {
23		buf[0] = '\0';
24	}
25#ifdef CONFIG_IPV6
26	if (addr->af == AF_INET6) {
27		if (inet_ntop(AF_INET6, &addr->u.v6, buf, buflen) == NULL)
28			buf[0] = '\0';
29	}
30#endif /* CONFIG_IPV6 */
31
32	return buf;
33}
34
35
36int hostapd_parse_ip_addr(const char *txt, struct hostapd_ip_addr *addr)
37{
38#ifndef CONFIG_NATIVE_WINDOWS
39	if (inet_aton(txt, &addr->u.v4)) {
40		addr->af = AF_INET;
41		return 0;
42	}
43
44#ifdef CONFIG_IPV6
45	if (inet_pton(AF_INET6, txt, &addr->u.v6) > 0) {
46		addr->af = AF_INET6;
47		return 0;
48	}
49#endif /* CONFIG_IPV6 */
50#endif /* CONFIG_NATIVE_WINDOWS */
51
52	return -1;
53}
54