100 lines
2.7 KiB
C
100 lines
2.7 KiB
C
/*-
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* Copyright (C) 2015, 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 <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 (void)
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{
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nfc_device *device = NULL;
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FreefareTag *tags = NULL;
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nfc_connstring devices[8];
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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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size_t 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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errx (EXIT_FAILURE, "nfc_open() failed.");
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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 FeliCa tag.");
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}
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for (int i = 0; tags[i]; i++) {
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char *uid = freefare_get_tag_uid (tags[i]);
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printf ("Dumping %s tag %s\n", freefare_get_tag_friendly_name (tags[i]), uid);
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free (uid);
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printf ("Number\tName\tData\n");
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for (int block = 0x00; block < 0x0f; block++) {
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uint8_t buffer[16];
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if (felica_read (tags[i], FELICA_SC_RO, block, buffer, sizeof (buffer)) < 0)
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errx (EXIT_FAILURE, "Error reading block %d", block);
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if (block < 0x0e)
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printf ("0x%02x\tS_PAD%d\t", block, block);
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else
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printf ("0x%02x\tREG\t", block);
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for (int j = 0; j < 16; j++) {
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printf ("%02x ", buffer[j]);
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}
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printf ("\n");
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}
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char *block_names[] = {
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"RC", "MAC", "ID", "D_ID", "SER_C", "SYS_C", "CKV", "CK", "MC",
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};
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int valid_bytes[] = {
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16, 8, 16, 16, 2, 2, 2, 16, 5
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};
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for (int block = 0x80; block < 0x89; block++) {
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uint8_t buffer[16];
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if (felica_read (tags[i], FELICA_SC_RO, block, buffer, sizeof (buffer)) < 0)
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errx (EXIT_FAILURE, "Error reading block %d", block);
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printf ("0x%02x\t%s\t", block, block_names[block - 0x80]);
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for (int j = 0; j < valid_bytes[block - 0x80]; j++) {
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printf ("%02x ", buffer[j]);
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}
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printf ("\n");
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}
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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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exit(EXIT_SUCCESS);
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}
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