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e4e3131d68
I changed license terms which I can change. (email of Mon, 5 Mar 2012 22:59:02 +0900 to hostap@lists.shmoo.com)
112 lines
2.2 KiB
C
112 lines
2.2 KiB
C
/*
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* NFC routines for Wi-Fi Protected Setup
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* Copyright (c) 2009-2012, Masashi Honma <masashi.honma@gmail.com>
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*
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* This software may be distributed under the terms of the BSD license.
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* See README for more details.
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*/
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#include "includes.h"
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#include "common.h"
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#include "wps/wps.h"
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#include "wps_i.h"
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struct wps_nfc_data {
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struct oob_nfc_device_data *oob_nfc_dev;
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};
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static void * init_nfc(struct wps_context *wps,
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struct oob_device_data *oob_dev, int registrar)
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{
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struct oob_nfc_device_data *oob_nfc_dev;
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struct wps_nfc_data *data;
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oob_nfc_dev = wps_get_oob_nfc_device(oob_dev->device_name);
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if (oob_nfc_dev == NULL) {
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wpa_printf(MSG_ERROR, "WPS (NFC): Unknown NFC device (%s)",
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oob_dev->device_name);
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return NULL;
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}
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if (oob_nfc_dev->init_func(oob_dev->device_path) < 0)
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return NULL;
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data = os_zalloc(sizeof(*data));
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if (data == NULL) {
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wpa_printf(MSG_ERROR, "WPS (NFC): Failed to allocate "
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"nfc data area");
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return NULL;
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}
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data->oob_nfc_dev = oob_nfc_dev;
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return data;
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}
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static struct wpabuf * read_nfc(void *priv)
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{
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struct wps_nfc_data *data = priv;
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struct wpabuf *wifi, *buf;
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char *raw_data;
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size_t len;
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raw_data = data->oob_nfc_dev->read_func(&len);
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if (raw_data == NULL)
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return NULL;
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wifi = wpabuf_alloc_copy(raw_data, len);
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os_free(raw_data);
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if (wifi == NULL) {
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wpa_printf(MSG_ERROR, "WPS (NFC): Failed to allocate "
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"nfc read area");
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return NULL;
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}
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buf = ndef_parse_wifi(wifi);
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wpabuf_free(wifi);
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if (buf == NULL)
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wpa_printf(MSG_ERROR, "WPS (NFC): Failed to unwrap");
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return buf;
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}
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static int write_nfc(void *priv, struct wpabuf *buf)
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{
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struct wps_nfc_data *data = priv;
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struct wpabuf *wifi;
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int ret;
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wifi = ndef_build_wifi(buf);
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if (wifi == NULL) {
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wpa_printf(MSG_ERROR, "WPS (NFC): Failed to wrap");
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return -1;
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}
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ret = data->oob_nfc_dev->write_func(wpabuf_mhead(wifi),
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wpabuf_len(wifi));
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wpabuf_free(wifi);
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return ret;
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}
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static void deinit_nfc(void *priv)
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{
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struct wps_nfc_data *data = priv;
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data->oob_nfc_dev->deinit_func();
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os_free(data);
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}
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struct oob_device_data oob_nfc_device_data = {
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.device_name = NULL,
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.device_path = NULL,
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.init_func = init_nfc,
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.read_func = read_nfc,
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.write_func = write_nfc,
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.deinit_func = deinit_nfc,
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};
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