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1 /*
2  * Control interface for shared AP commands
3  * Copyright (c) 2004-2009, 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 "utils/includes.h"
10 
11 #include "utils/common.h"
12 #include "hostapd.h"
13 #include "ieee802_1x.h"
14 #include "wpa_auth.h"
15 #include "ieee802_11.h"
16 #include "sta_info.h"
17 #include "wps_hostapd.h"
18 #include "p2p_hostapd.h"
19 #include "ctrl_iface_ap.h"
20 
21 
hostapd_ctrl_iface_sta_mib(struct hostapd_data * hapd,struct sta_info * sta,char * buf,size_t buflen)22 static int hostapd_ctrl_iface_sta_mib(struct hostapd_data *hapd,
23 				      struct sta_info *sta,
24 				      char *buf, size_t buflen)
25 {
26 	int len, res, ret;
27 
28 	if (sta == NULL) {
29 		ret = os_snprintf(buf, buflen, "FAIL\n");
30 		if (ret < 0 || (size_t) ret >= buflen)
31 			return 0;
32 		return ret;
33 	}
34 
35 	len = 0;
36 	ret = os_snprintf(buf + len, buflen - len, MACSTR "\n",
37 			  MAC2STR(sta->addr));
38 	if (ret < 0 || (size_t) ret >= buflen - len)
39 		return len;
40 	len += ret;
41 
42 	res = ieee802_11_get_mib_sta(hapd, sta, buf + len, buflen - len);
43 	if (res >= 0)
44 		len += res;
45 	res = wpa_get_mib_sta(sta->wpa_sm, buf + len, buflen - len);
46 	if (res >= 0)
47 		len += res;
48 	res = ieee802_1x_get_mib_sta(hapd, sta, buf + len, buflen - len);
49 	if (res >= 0)
50 		len += res;
51 	res = hostapd_wps_get_mib_sta(hapd, sta->addr, buf + len,
52 				      buflen - len);
53 	if (res >= 0)
54 		len += res;
55 	res = hostapd_p2p_get_mib_sta(hapd, sta, buf + len, buflen - len);
56 	if (res >= 0)
57 		len += res;
58 
59 	return len;
60 }
61 
62 
hostapd_ctrl_iface_sta_first(struct hostapd_data * hapd,char * buf,size_t buflen)63 int hostapd_ctrl_iface_sta_first(struct hostapd_data *hapd,
64 				 char *buf, size_t buflen)
65 {
66 	return hostapd_ctrl_iface_sta_mib(hapd, hapd->sta_list, buf, buflen);
67 }
68 
69 
hostapd_ctrl_iface_sta(struct hostapd_data * hapd,const char * txtaddr,char * buf,size_t buflen)70 int hostapd_ctrl_iface_sta(struct hostapd_data *hapd, const char *txtaddr,
71 			   char *buf, size_t buflen)
72 {
73 	u8 addr[ETH_ALEN];
74 	int ret;
75 
76 	if (hwaddr_aton(txtaddr, addr)) {
77 		ret = os_snprintf(buf, buflen, "FAIL\n");
78 		if (ret < 0 || (size_t) ret >= buflen)
79 			return 0;
80 		return ret;
81 	}
82 	return hostapd_ctrl_iface_sta_mib(hapd, ap_get_sta(hapd, addr),
83 					  buf, buflen);
84 }
85 
86 
hostapd_ctrl_iface_sta_next(struct hostapd_data * hapd,const char * txtaddr,char * buf,size_t buflen)87 int hostapd_ctrl_iface_sta_next(struct hostapd_data *hapd, const char *txtaddr,
88 				char *buf, size_t buflen)
89 {
90 	u8 addr[ETH_ALEN];
91 	struct sta_info *sta;
92 	int ret;
93 
94 	if (hwaddr_aton(txtaddr, addr) ||
95 	    (sta = ap_get_sta(hapd, addr)) == NULL) {
96 		ret = os_snprintf(buf, buflen, "FAIL\n");
97 		if (ret < 0 || (size_t) ret >= buflen)
98 			return 0;
99 		return ret;
100 	}
101 	return hostapd_ctrl_iface_sta_mib(hapd, sta->next, buf, buflen);
102 }
103