78 lines
2 KiB
C
78 lines
2 KiB
C
/*-
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* Copyright (C) 2012, Romain Tartiere.
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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* $Id$
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*/
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#include <err.h>
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#include <stdlib.h>
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#include <nfc/nfc.h>
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#include <freefare.h>
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int
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main (int argc, char *argv[])
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{
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int error = EXIT_SUCCESS;
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nfc_device *device = NULL;
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MifareTag *tags = NULL;
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if (argc > 1)
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errx (EXIT_FAILURE, "usage: %s", argv[0]);
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nfc_connstring devices[8];
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size_t device_count;
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nfc_init (NULL);
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device_count = nfc_list_devices (NULL, devices, sizeof (devices) / sizeof (*devices));
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if (device_count <= 0)
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errx (EXIT_FAILURE, "No NFC device found");
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for (size_t d = 0; d < device_count; d++) {
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if (!(device = nfc_open (NULL, devices[d]))) {
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warnx ("nfc_open() failed.");
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error = EXIT_FAILURE;
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continue;
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}
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if (!(tags = freefare_get_tags (device))) {
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nfc_close (device);
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errx (EXIT_FAILURE, "Error listing tags.");
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}
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for (int i = 0; (!error) && tags[i]; i++) {
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switch (freefare_get_tag_type (tags[i])) {
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case ULTRALIGHT:
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case ULTRALIGHT_C:
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break;
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default:
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continue;
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}
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char *tag_uid = freefare_get_tag_uid (tags[i]);
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printf ("Tag with UID %s is a %s\n", tag_uid, freefare_get_tag_friendly_name (tags[i]));
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free (tag_uid);
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}
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freefare_free_tags (tags);
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nfc_close (device);
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}
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nfc_exit (NULL);
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exit(error);
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}
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