hostapd: Add mechanism to track unconnected stations

[mech_eap.git] / hostapd / ctrl_iface.c

diff --git a/hostapd/ctrl_iface.c b/hostapd/ctrl_iface.c
index 306c53c..cb6fb17 100644 (file)
--- a/hostapd/ctrl_iface.c
+++ b/hostapd/ctrl_iface.c
@@ -2007,6 +2007,39 @@ static int hostapd_ctrl_iface_log_level(struct hostapd_data *hapd, char *cmd,
 }
 
 
+#ifdef NEED_AP_MLME
+static int hostapd_ctrl_iface_track_sta_list(struct hostapd_data *hapd,
+                                            char *buf, size_t buflen)
+{
+       struct hostapd_iface *iface = hapd->iface;
+       char *pos, *end;
+       struct hostapd_sta_info *info;
+       struct os_reltime now;
+
+       sta_track_expire(iface, 0);
+
+       pos = buf;
+       end = buf + buflen;
+
+       os_get_reltime(&now);
+       dl_list_for_each_reverse(info, &iface->sta_seen,
+                                struct hostapd_sta_info, list) {
+               struct os_reltime age;
+               int ret;
+
+               os_reltime_sub(&now, &info->last_seen, &age);
+               ret = os_snprintf(pos, end - pos, MACSTR " %u\n",
+                                 MAC2STR(info->addr), (unsigned int) age.sec);
+               if (os_snprintf_error(end - pos, ret))
+                       break;
+               pos += ret;
+       }
+
+       return pos - buf;
+}
+#endif /* NEED_AP_MLME */
+
+
 static int hostapd_ctrl_iface_receive_process(struct hostapd_data *hapd,
                                              char *buf, char *reply,
                                              int reply_size,
@@ -2238,6 +2271,11 @@ static int hostapd_ctrl_iface_receive_process(struct hostapd_data *hapd,
        } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
                reply_len = hostapd_ctrl_iface_log_level(
                        hapd, buf + 9, reply, reply_size);
+#ifdef NEED_AP_MLME
+       } else if (os_strcmp(buf, "TRACK_STA_LIST") == 0) {
+               reply_len = hostapd_ctrl_iface_track_sta_list(
+                       hapd, reply, reply_size);
+#endif /* NEED_AP_MLME */
        } else {
                os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
                reply_len = 16;