wpa_supplicant: Initial Revision 0.8.X

Based on:
commit 0725cc7b7efc434910e89865c42eda7ce61bbf08
Author: Jouni Malinen <j@w1.fi>
Date:   Thu Apr 21 20:41:01 2011 +0300

    Enable CONFIG_DRIVER_NL80211=y in the default configuration

    nl80211 should be preferred over WEXT with any recent Linux
    kernel version.

Change-Id: I26aec5afbbd4f4a1f5fd900912545b6f5050de64
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/hostapd/dump_state.c b/hostapd/dump_state.c
new file mode 100644
index 0000000..73aa93d
--- /dev/null
+++ b/hostapd/dump_state.c
@@ -0,0 +1,183 @@
+/*
+ * 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 "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\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->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;
+}