/*
 * PASN responder fuzzer
 * Copyright (c) 2022, 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 "utils/common.h"
#include "utils/eloop.h"
#include "common/defs.h"
#include "common/wpa_common.h"
#include "common/sae.h"
#include "common/ieee802_11_defs.h"
#include "crypto/sha384.h"
#include "crypto/crypto.h"
#include "pasn/pasn_common.h"
#include "../fuzzer-common.h"


struct eapol_state_machine;

struct rsn_pmksa_cache_entry *
pmksa_cache_auth_add(struct rsn_pmksa_cache *pmksa,
		     const u8 *pmk, size_t pmk_len, const u8 *pmkid,
		     const u8 *kck, size_t kck_len,
		     const u8 *aa, const u8 *spa, int session_timeout,
		     struct eapol_state_machine *eapol, int akmp)
{
	return NULL;
}


struct rsn_pmksa_cache_entry *
pmksa_cache_auth_get(struct rsn_pmksa_cache *pmksa,
		     const u8 *spa, const u8 *pmkid)
{
	return NULL;
}


struct rsn_pmksa_cache *
pmksa_cache_auth_init(void (*free_cb)(struct rsn_pmksa_cache_entry *entry,
				      void *ctx), void *ctx)
{
	return NULL;
}


void pmksa_cache_auth_deinit(struct rsn_pmksa_cache *pmksa)
{
}


void pmksa_cache_free_entry(struct rsn_pmksa_cache *pmksa,
			    struct rsn_pmksa_cache_entry *entry)
{
}


void pmksa_cache_auth_flush(struct rsn_pmksa_cache *pmksa)
{
}


static int pasn_send_mgmt(void *ctx, const u8 *data, size_t data_len,
			  int noack, unsigned int freq, unsigned int wait)
{
	return 0;
}


int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
	struct pasn_data pasn;
	u8 own_addr[ETH_ALEN], bssid[ETH_ALEN];

	wpa_fuzzer_set_debug_level();

	if (os_program_init())
		return 0;

	if (eloop_init()) {
		wpa_printf(MSG_ERROR, "Failed to initialize event loop");
		return 0;
	}

	os_memset(&pasn, 0, sizeof(pasn));
	pasn.send_mgmt = pasn_send_mgmt;
	hwaddr_aton("02:00:00:00:03:00", own_addr);
	hwaddr_aton("02:00:00:00:00:00", bssid);
	os_memcpy(pasn.own_addr, own_addr, ETH_ALEN);
	os_memcpy(pasn.bssid, bssid, ETH_ALEN);
	pasn.wpa_key_mgmt = WPA_KEY_MGMT_PASN;
	pasn.rsn_pairwise = WPA_CIPHER_CCMP;

	wpa_printf(MSG_DEBUG, "TESTING: Try to parse as PASN Auth 1");
	if (handle_auth_pasn_1(&pasn, own_addr, bssid,
			       (const struct ieee80211_mgmt *) data, size,
			       false))
		wpa_printf(MSG_ERROR, "handle_auth_pasn_1 failed");

	wpa_printf(MSG_DEBUG, "TESTING: Try to parse as PASN Auth 3");
	if (handle_auth_pasn_3(&pasn, own_addr, bssid,
			       (const struct ieee80211_mgmt *) data, size))
		wpa_printf(MSG_ERROR, "handle_auth_pasn_3 failed");

	if (pasn.ecdh) {
		crypto_ecdh_deinit(pasn.ecdh);
		pasn.ecdh = NULL;
	}

	eloop_destroy();
	os_program_deinit();

	return 0;
}
