1/*
2 * Control interface for shared AP commands
3 * Copyright (c) 2004-2009, Jouni Malinen <j@w1.fi>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 *
9 * Alternatively, this software may be distributed under the terms of BSD
10 * license.
11 *
12 * See README and COPYING for more details.
13 */
14
15#include "utils/includes.h"
16
17#include "utils/common.h"
18#include "hostapd.h"
19#include "ieee802_1x.h"
20#include "wpa_auth.h"
21#include "ieee802_11.h"
22#include "sta_info.h"
23#include "wps_hostapd.h"
24#include "ctrl_iface_ap.h"
25
26
27static int hostapd_ctrl_iface_sta_mib(struct hostapd_data *hapd,
28				      struct sta_info *sta,
29				      char *buf, size_t buflen)
30{
31	int len, res, ret;
32
33	if (sta == NULL) {
34		ret = os_snprintf(buf, buflen, "FAIL\n");
35		if (ret < 0 || (size_t) ret >= buflen)
36			return 0;
37		return ret;
38	}
39
40	len = 0;
41	ret = os_snprintf(buf + len, buflen - len, MACSTR "\n",
42			  MAC2STR(sta->addr));
43	if (ret < 0 || (size_t) ret >= buflen - len)
44		return len;
45	len += ret;
46
47	res = ieee802_11_get_mib_sta(hapd, sta, buf + len, buflen - len);
48	if (res >= 0)
49		len += res;
50	res = wpa_get_mib_sta(sta->wpa_sm, buf + len, buflen - len);
51	if (res >= 0)
52		len += res;
53	res = ieee802_1x_get_mib_sta(hapd, sta, buf + len, buflen - len);
54	if (res >= 0)
55		len += res;
56	res = hostapd_wps_get_mib_sta(hapd, sta->addr, buf + len,
57				      buflen - len);
58	if (res >= 0)
59		len += res;
60
61	return len;
62}
63
64
65int hostapd_ctrl_iface_sta_first(struct hostapd_data *hapd,
66				 char *buf, size_t buflen)
67{
68	return hostapd_ctrl_iface_sta_mib(hapd, hapd->sta_list, buf, buflen);
69}
70
71
72int hostapd_ctrl_iface_sta(struct hostapd_data *hapd, const char *txtaddr,
73			   char *buf, size_t buflen)
74{
75	u8 addr[ETH_ALEN];
76	int ret;
77
78	if (hwaddr_aton(txtaddr, addr)) {
79		ret = os_snprintf(buf, buflen, "FAIL\n");
80		if (ret < 0 || (size_t) ret >= buflen)
81			return 0;
82		return ret;
83	}
84	return hostapd_ctrl_iface_sta_mib(hapd, ap_get_sta(hapd, addr),
85					  buf, buflen);
86}
87
88
89int hostapd_ctrl_iface_sta_next(struct hostapd_data *hapd, const char *txtaddr,
90				char *buf, size_t buflen)
91{
92	u8 addr[ETH_ALEN];
93	struct sta_info *sta;
94	int ret;
95
96	if (hwaddr_aton(txtaddr, addr) ||
97	    (sta = ap_get_sta(hapd, addr)) == NULL) {
98		ret = os_snprintf(buf, buflen, "FAIL\n");
99		if (ret < 0 || (size_t) ret >= buflen)
100			return 0;
101		return ret;
102	}
103	return hostapd_ctrl_iface_sta_mib(hapd, sta->next, buf, buflen);
104}
105