hostap/src/wps/wps_nfc_pn531.c

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2009-03-06 15:16:22 +01:00
/*
* NFC PN531 routines for Wi-Fi Protected Setup
* Copyright (c) 2009, Masashi Honma <honma@ictec.co.jp>
*
* 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 "includes.h"
#include "common.h"
#include "wps/wps.h"
#include "wps_i.h"
#include "WpsNfcType.h"
#include "WpsNfc.h"
static int init_nfc_pn531(char *path)
{
u32 ret;
ret = WpsNfcInit();
if (ret != WPS_NFCLIB_ERR_SUCCESS) {
wpa_printf(MSG_ERROR, "WPS (PN531): Failed to initialize "
"NFC Library: 0x%08x", ret);
return -1;
}
ret = WpsNfcOpenDevice((int8 *) path);
if (ret != WPS_NFCLIB_ERR_SUCCESS) {
wpa_printf(MSG_ERROR, "WPS (PN531): Failed to open "
"NFC Device(%s): 0x%08x", path, ret);
goto fail;
}
ret = WpsNfcTokenDiscovery();
if (ret != WPS_NFCLIB_ERR_SUCCESS) {
wpa_printf(MSG_ERROR, "WPS (PN531): Failed to discover "
"token: 0x%08x", ret);
WpsNfcCloseDevice();
goto fail;
}
return 0;
fail:
WpsNfcDeinit();
return -1;
}
static void * read_nfc_pn531(size_t *size)
{
uint32 len;
u32 ret;
int8 *data;
ret = WpsNfcRawReadToken(&data, &len);
if (ret != WPS_NFCLIB_ERR_SUCCESS) {
wpa_printf(MSG_ERROR, "WPS (PN531): Failed to read: 0x%08x",
ret);
return NULL;
}
*size = len;
return data;
}
static int write_nfc_pn531(void *data, size_t len)
{
u32 ret;
ret = WpsNfcRawWriteToken(data, len);
if (ret != WPS_NFCLIB_ERR_SUCCESS) {
wpa_printf(MSG_ERROR, "WPS (PN531): Failed to write: 0x%08x",
ret);
return -1;
}
return 0;
}
static void deinit_nfc_pn531(void)
{
u32 ret;
ret = WpsNfcCloseDevice();
if (ret != WPS_NFCLIB_ERR_SUCCESS)
wpa_printf(MSG_ERROR, "WPS (PN531): Failed to close "
"NFC Device: 0x%08x", ret);
ret = WpsNfcDeinit();
if (ret != WPS_NFCLIB_ERR_SUCCESS)
wpa_printf(MSG_ERROR, "WPS (PN531): Failed to deinitialize "
"NFC Library: 0x%08x", ret);
}
struct oob_nfc_device_data oob_nfc_pn531_device_data = {
.init_func = init_nfc_pn531,
.read_func = read_nfc_pn531,
.write_func = write_nfc_pn531,
.deinit_func = deinit_nfc_pn531,
};