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/*
* hostapd / State dump
* Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Alternatively, this software may be distributed under the terms of BSD
* license.
*
* See README and COPYING for more details.
*/
#include "utils/includes.h"
#include <time.h>
#include "utils/common.h"
#include "radius/radius_client.h"
#include "radius/radius_server.h"
#include "eapol_auth/eapol_auth_sm.h"
#include "eapol_auth/eapol_auth_sm_i.h"
#include "eap_server/eap.h"
#include "ap/hostapd.h"
#include "ap/ap_config.h"
#include "ap/sta_info.h"
#include "dump_state.h"
static void fprint_char(FILE *f, char c)
{
if (c >= 32 && c < 127)
fprintf(f, "%c", c);
else
fprintf(f, "<%02x>", c);
}
static void ieee802_1x_dump_state(FILE *f, const char *prefix,
struct sta_info *sta)
{
struct eapol_state_machine *sm = sta->eapol_sm;
if (sm == NULL)
return;
fprintf(f, "%sIEEE 802.1X:\n", prefix);
if (sm->identity) {
size_t i;
fprintf(f, "%sidentity=", prefix);
for (i = 0; i < sm->identity_len; i++)
fprint_char(f, sm->identity[i]);
fprintf(f, "\n");
}
fprintf(f, "%slast EAP type: Authentication Server: %d (%s) "
"Supplicant: %d (%s)\n", prefix,
sm->eap_type_authsrv,
eap_server_get_name(0, sm->eap_type_authsrv),
sm->eap_type_supp, eap_server_get_name(0, sm->eap_type_supp));
fprintf(f, "%scached_packets=%s\n", prefix,
sm->last_recv_radius ? "[RX RADIUS]" : "");
eapol_auth_dump_state(f, prefix, sm);
}
/**
* hostapd_dump_state - SIGUSR1 handler to dump hostapd state to a text file
*/
static void hostapd_dump_state(struct hostapd_data *hapd)
{
FILE *f;
time_t now;
struct sta_info *sta;
int i;
#ifndef CONFIG_NO_RADIUS
char *buf;
#endif /* CONFIG_NO_RADIUS */
if (!hapd->conf->dump_log_name) {
wpa_printf(MSG_DEBUG, "Dump file not defined - ignoring dump "
"request");
return;
}
wpa_printf(MSG_DEBUG, "Dumping hostapd state to '%s'",
hapd->conf->dump_log_name);
f = fopen(hapd->conf->dump_log_name, "w");
if (f == NULL) {
wpa_printf(MSG_WARNING, "Could not open dump file '%s' for "
"writing.", hapd->conf->dump_log_name);
return;
}
time(&now);
fprintf(f, "hostapd state dump - %s", ctime(&now));
fprintf(f, "num_sta=%d num_sta_non_erp=%d "
"num_sta_no_short_slot_time=%d\n"
"num_sta_no_short_preamble=%d\n",
hapd->num_sta, hapd->iface->num_sta_non_erp,
hapd->iface->num_sta_no_short_slot_time,
hapd->iface->num_sta_no_short_preamble);
for (sta = hapd->sta_list; sta != NULL; sta = sta->next) {
fprintf(f, "\nSTA=" MACSTR "\n", MAC2STR(sta->addr));
fprintf(f,
" AID=%d flags=0x%x %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s"
"\n"
" capability=0x%x listen_interval=%d\n",
sta->aid,
sta->flags,
(sta->flags & WLAN_STA_AUTH ? "[AUTH]" : ""),
(sta->flags & WLAN_STA_ASSOC ? "[ASSOC]" : ""),
(sta->flags & WLAN_STA_PS ? "[PS]" : ""),
(sta->flags & WLAN_STA_TIM ? "[TIM]" : ""),
(sta->flags & WLAN_STA_PERM ? "[PERM]" : ""),
(ap_sta_is_authorized(sta) ? "[AUTHORIZED]" : ""),
(sta->flags & WLAN_STA_PENDING_POLL ? "[PENDING_POLL" :
""),
(sta->flags & WLAN_STA_SHORT_PREAMBLE ?
"[SHORT_PREAMBLE]" : ""),
(sta->flags & WLAN_STA_PREAUTH ? "[PREAUTH]" : ""),
(sta->flags & WLAN_STA_WMM ? "[WMM]" : ""),
(sta->flags & WLAN_STA_MFP ? "[MFP]" : ""),
(sta->flags & WLAN_STA_WPS ? "[WPS]" : ""),
(sta->flags & WLAN_STA_MAYBE_WPS ? "[MAYBE_WPS]" : ""),
(sta->flags & WLAN_STA_WDS ? "[WDS]" : ""),
(sta->flags & WLAN_STA_NONERP ? "[NonERP]" : ""),
(sta->flags & WLAN_STA_WPS2 ? "[WPS2]" : ""),
sta->capability,
sta->listen_interval);
fprintf(f, " supported_rates=");
for (i = 0; i < sta->supported_rates_len; i++)
fprintf(f, "%02x ", sta->supported_rates[i]);
fprintf(f, "\n");
fprintf(f,
" timeout_next=%s\n",
(sta->timeout_next == STA_NULLFUNC ? "NULLFUNC POLL" :
(sta->timeout_next == STA_DISASSOC ? "DISASSOC" :
"DEAUTH")));
ieee802_1x_dump_state(f, " ", sta);
}
#ifndef CONFIG_NO_RADIUS
buf = os_malloc(4096);
if (buf) {
int count = radius_client_get_mib(hapd->radius, buf, 4096);
if (count < 0)
count = 0;
else if (count > 4095)
count = 4095;
buf[count] = '\0';
fprintf(f, "%s", buf);
#ifdef RADIUS_SERVER
count = radius_server_get_mib(hapd->radius_srv, buf, 4096);
if (count < 0)
count = 0;
else if (count > 4095)
count = 4095;
buf[count] = '\0';
fprintf(f, "%s", buf);
#endif /* RADIUS_SERVER */
os_free(buf);
}
#endif /* CONFIG_NO_RADIUS */
fclose(f);
}
int handle_dump_state_iface(struct hostapd_iface *iface, void *ctx)
{
size_t i;
for (i = 0; i < iface->num_bss; i++)
hostapd_dump_state(iface->bss[i]);
return 0;
}
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