fragattacks/hostapd/dump_state.c
Jouni Malinen 96ea74b866 Convert EAPOL authenticator dump into easier to parse format
Use name=value entries one per each line and rename the state
entries to have unique names.

Signed-hostap: Jouni Malinen <j@w1.fi>
2014-01-02 17:37:21 +02:00

82 lines
1.7 KiB
C

/*
* hostapd / State dump
* Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "utils/includes.h"
#include <time.h>
#include "utils/common.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"
#include "ap/ap_drv_ops.h"
static void ieee802_1x_dump_state(FILE *f, struct sta_info *sta)
{
struct eapol_state_machine *sm = sta->eapol_sm;
char buf[4096];
int res;
if (sm == NULL)
return;
res = eapol_auth_dump_state(sm, buf, sizeof(buf));
if (res > 0)
fprintf(f, "%s", buf);
}
/**
* 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;
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));
for (sta = hapd->sta_list; sta != NULL; sta = sta->next) {
fprintf(f, "\nSTA=" MACSTR "\n", MAC2STR(sta->addr));
ieee802_1x_dump_state(f, sta);
}
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;
}