138 lines
3.9 KiB
C
138 lines
3.9 KiB
C
/*-
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* Copyright (C) 2010, 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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#include <err.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#include <nfc/nfc.h>
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#include <freefare.h>
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uint8_t key_data_null[8] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
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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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FreefareTag *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_context *context;
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nfc_init (&context);
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if (context == NULL)
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errx(EXIT_FAILURE, "Unable to init libnfc (malloc)");
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device_count = nfc_list_devices (context, devices, 8);
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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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device = nfc_open (context, devices[d]);
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if (!device) {
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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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tags = freefare_get_tags (device);
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if (!tags) {
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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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if (MIFARE_DESFIRE != freefare_get_tag_type (tags[i]))
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continue;
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int res;
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char *tag_uid = freefare_get_tag_uid (tags[i]);
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res = mifare_desfire_connect (tags[i]);
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if (res < 0) {
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warnx ("Can't connect to Mifare DESFire target.");
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error = EXIT_FAILURE;
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break;
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}
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MifareDESFireKey key = mifare_desfire_des_key_new_with_version (key_data_null);
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res = mifare_desfire_authenticate (tags[i], 0, key);
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if (res < 0)
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errx (EXIT_FAILURE, "Authentication on master application failed");
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MadAid mad_aid = { 0x12, 0x34 };
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MifareDESFireAID aid = mifare_desfire_aid_new_with_mad_aid (mad_aid, 0x5);
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res = mifare_desfire_create_application (tags[i], aid, 0xFF, 0x1);
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if (res < 0)
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errx (EXIT_FAILURE, "Application creation failed");
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res = mifare_desfire_select_application (tags[i], aid);
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if (res < 0)
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errx (EXIT_FAILURE, "Application selection failed");
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res = mifare_desfire_authenticate (tags[i], 0, key);
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if (res < 0)
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errx (EXIT_FAILURE, "Authentication on application failed");
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res = mifare_desfire_create_std_data_file (tags[i], 1, MDCM_ENCIPHERED, 0x0000, 20);
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if (res < 0)
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errx (EXIT_FAILURE, "File creation failed");
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const char *s= "Hello World";
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res = mifare_desfire_write_data (tags[i], 1, 0, strlen (s), s);
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if (res < 0)
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errx (EXIT_FAILURE, "File write failed");
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char buffer[20];
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res = mifare_desfire_read_data (tags[i], 1, 0, 0, buffer);
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if (res < 0)
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errx (EXIT_FAILURE, "File read failed");
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res = mifare_desfire_select_application (tags[i], NULL);
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if (res < 0)
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errx (EXIT_FAILURE, "Master application selection failed");
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res = mifare_desfire_authenticate (tags[i], 0, key);
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if (res < 0)
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errx (EXIT_FAILURE, "Authentication on master application failed");
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res = mifare_desfire_format_picc (tags[i]);
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if (res < 0)
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errx (EXIT_FAILURE, "PICC format failed");
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mifare_desfire_key_free (key);
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free (tag_uid);
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free (aid);
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mifare_desfire_disconnect (tags[i]);
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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 (context);
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exit (error);
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} /* main() */
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