int try_format_sector (MifareTag tag, MifareClassicSectorNumber sector)
{
display_progress ();
size_t i;
for (i = 0; i < (sizeof (default_keys) / sizeof (MifareClassicKey)); i++)
{
MifareClassicBlockNumber block = mifare_classic_sector_last_block (sector);
if ((0 == mifare_classic_connect (tag)) && (0 == mifare_classic_authenticate (tag, block, default_keys[i], MFC_KEY_A)))
{
if (0 == mifare_classic_format_sector (tag, sector))
{
mifare_classic_disconnect (tag);
return 1;
}
else if (EIO == errno)
{
err (EXIT_FAILURE, "sector %d", sector);
}
mifare_classic_disconnect (tag);
}
if ((0 == mifare_classic_connect (tag)) && (0 == mifare_classic_authenticate (tag, block, default_keys[i], MFC_KEY_B)))
{
if (0 == mifare_classic_format_sector (tag, sector))
{
mifare_classic_disconnect (tag);
return 1;
}
else if (EIO == errno)
{
err (EXIT_FAILURE, "sector %d", sector);
}
mifare_classic_disconnect (tag);
}
}
sprintf(message_erreur,"No known authentication key for sector %d !", sector);
return 0;
}
int
search_sector_key (MifareTag tag, MifareClassicSectorNumber sector, MifareClassicKey *key, MifareClassicKeyType *key_type)
{
MifareClassicBlockNumber block = mifare_classic_sector_last_block (sector);
/*
* FIXME: We should not assume that if we have full access to trailer block
* we also have a full access to data blocks.
*/
mifare_classic_disconnect (tag);
for (size_t i = 0; i < (sizeof (default_keys) / sizeof (MifareClassicKey)); i++) {
if ((0 == mifare_classic_connect (tag)) && (0 == mifare_classic_authenticate (tag, block, default_keys[i], MFC_KEY_A))) {
if ((1 == mifare_classic_get_trailer_block_permission (tag, block, MCAB_WRITE_KEYA, MFC_KEY_A)) &&
(1 == mifare_classic_get_trailer_block_permission (tag, block, MCAB_WRITE_ACCESS_BITS, MFC_KEY_A)) &&
(1 == mifare_classic_get_trailer_block_permission (tag, block, MCAB_WRITE_KEYB, MFC_KEY_A))) {
memcpy (key, &default_keys[i], sizeof (MifareClassicKey));
*key_type = MFC_KEY_A;
return 1;
}
}
mifare_classic_disconnect (tag);
if ((0 == mifare_classic_connect (tag)) && (0 == mifare_classic_authenticate (tag, block, default_keys[i], MFC_KEY_B))) {
if ((1 == mifare_classic_get_trailer_block_permission (tag, block, MCAB_WRITE_KEYA, MFC_KEY_B)) &&
(1 == mifare_classic_get_trailer_block_permission (tag, block, MCAB_WRITE_ACCESS_BITS, MFC_KEY_B)) &&
(1 == mifare_classic_get_trailer_block_permission (tag, block, MCAB_WRITE_KEYB, MFC_KEY_B))) {
memcpy (key, &default_keys[i], sizeof (MifareClassicKey));
*key_type = MFC_KEY_B;
return 1;
}
}
mifare_classic_disconnect (tag);
}
warnx ("No known authentication key for sector 0x%02x\n", sector);
return 0;
}
void
cut_teardown (void)
{
if (tag)
mifare_classic_disconnect (tag);
if (tags) {
freefare_free_tags (tags);
tags = NULL;
}
if (device)
nfc_close (device);
nfc_exit(NULL);
}
int main(int argc, const char *argv[])
{
nfc_device *pnd;
//nfc_target nt;
MifareTag *tags = NULL;
int i,j,k;
int nbrsect=0;
MifareClassicBlock data;
// Allocate only a pointer to nfc_context
nfc_context *context;
// Initialize libnfc and set the nfc_context
nfc_init(&context);
if (context == NULL) {
printf("Unable to init libnfc\n");
exit(EXIT_FAILURE);
}
// Open, using the first available NFC device which can be in order of selection:
// - default device specified using environment variable or
// - first specified device in libnfc.conf (/etc/nfc) or
// - first specified device in device-configuration directory (/etc/nfc/devices.d) or
// - first auto-detected (if feature is not disabled in libnfc.conf) device
pnd = nfc_open(context, NULL);
if (pnd == NULL) {
printf("ERROR: %s\n", "Unable to open NFC device.");
exit(EXIT_FAILURE);
}
printf("NFC reader: %s opened\n", nfc_device_get_name(pnd));
tags = freefare_get_tags(pnd);
if (!tags) {
printf("no Mifare classic\n");
} else {
for (i = 0; tags[i]; i++) {
switch(freefare_get_tag_type(tags[i])) {
case CLASSIC_1K:
printf("%u : Mifare 1k (S50) : %s\n", i, freefare_get_tag_uid(tags[i]));
nbrsect=16;
break;
case CLASSIC_4K:
printf("%u : Mifare 4k (S70) : %s\n", i, freefare_get_tag_uid(tags[i]));
nbrsect=40;
break;
default:
printf("%u : other ISO14443A tag : %s\n", i, freefare_get_tag_uid(tags[i]));
}
}
}
if (!tags[0]) {
printf("no tag found !\n");
nfc_close(pnd);
nfc_exit(context);
exit(EXIT_FAILURE);
}
printf ("Found %s\n", freefare_get_tag_friendly_name (tags[0]));
/*
MifareClassicBlockNumber dablock = 1;
if(mifare_classic_connect(tags[0]) == OPERATION_OK) {
printf("Connected !\n");
if(mifare_classic_authenticate(tags[0], dablock, keys[0], MFC_KEY_A) == OPERATION_OK) {
printf("Authenticated !\n");
if(mifare_classic_get_data_block_permission (tags[0], dablock, MCAB_R|MCAB_W, MFC_KEY_A))
printf("i can READ block %d with key A\n", dablock);
if(mifare_classic_get_trailer_block_permission (tags[0], ((dablock)/4)*4+3, MCAB_READ_KEYB, MFC_KEY_B))
printf("i can READ KEY A in trailer\n");
}
}
*/
for(i=0; i<nbrsect; i++) {
for(j=0; j < sizeof(keys)/sizeof(keys[0]); j++) {
if((mifare_classic_connect(tags[0]) == OPERATION_OK) &&
(mifare_classic_authenticate(
tags[0],
mifare_classic_sector_last_block(i),
keys[j],
MFC_KEY_A) == OPERATION_OK)) {
printf("sector %02d auth with A[%d]\n", i, j);
for(k=mifare_classic_sector_first_block(i);
k<=mifare_classic_sector_last_block(i); k++) {
if(mifare_classic_read(tags[0], k, &data) == OPERATION_OK) {
print_hex(data,16);
} else {
printf("read error\n");
}
}
mifare_classic_disconnect(tags[0]);
break;
}
mifare_classic_disconnect(tags[0]);
}
printf("\n");
}
printf("\n");
freefare_free_tags(tags);
// Close NFC device
nfc_close(pnd);
// Release the context
nfc_exit(context);
exit(EXIT_SUCCESS);
}
int main(int argc, const char *argv[])
{
nfc_device *pnd;
// nfc_target nt;
// static mifare_param mp;
int i, j;
MifareTag *tags = NULL;
int error = 0;
MifareClassicBlock dablock;
// MifareClassicBlock mydata = {0x00,0x00,0x00,0x42, 0xff,0xff,0xff,0xbd, 0x00,0x00,0x00,0x42, 0,0xff,0x00,0xff};
MifareClassicBlock my_trailer_block;
MifareClassicKey my_key_A = { 0xff,0xff,0xff,0xff,0xff,0xff };
MifareClassicKey my_key_B = { 0xff,0xff,0xff,0xff,0xff,0xff };
// Allocate only a pointer to nfc_context
nfc_context *context;
// Initialize libnfc and set the nfc_context
nfc_init(&context);
if (context == NULL) {
printf("Unable to init libnfc (malloc)\n");
exit(EXIT_FAILURE);
}
// Display libnfc version
const char *acLibnfcVersion = nfc_version();
(void)argc;
printf("%s uses libnfc %s\n", argv[0], acLibnfcVersion);
// Open, using the first available NFC device which can be in order of selection:
// - default device specified using environment variable or
// - first specified device in libnfc.conf (/etc/nfc) or
// - first specified device in device-configuration directory (/etc/nfc/devices.d) or
// - first auto-detected (if feature is not disabled in libnfc.conf) device
pnd = nfc_open(context, NULL);
if (pnd == NULL) {
printf("ERROR: %s\n", "Unable to open NFC device.");
exit(EXIT_FAILURE);
}
// Set opened NFC device to initiator mode
if (nfc_initiator_init(pnd) < 0) {
nfc_perror(pnd, "nfc_initiator_init");
exit(EXIT_FAILURE);
}
printf("NFC reader: %s opened\n", nfc_device_get_name(pnd));
// Poll for a ISO14443A (MIFARE) tag
/*
const nfc_modulation nmMifare = {
.nmt = NMT_ISO14443A,
.nbr = NBR_106,
};
if (nfc_initiator_select_passive_target(pnd, nmMifare, NULL, 0, &nt) > 0) {
printf("The following (NFC) ISO14443A tag was found:\n");
printf(" ATQA (SENS_RES): ");
print_hex(nt.nti.nai.abtAtqa, 2);
printf(" UID (NFCID%c): ", (nt.nti.nai.abtUid[0] == 0x08 ? '3' : '1'));
print_hex(nt.nti.nai.abtUid, nt.nti.nai.szUidLen);
printf(" SAK (SEL_RES): ");
print_hex(&nt.nti.nai.btSak, 1);
if (nt.nti.nai.szAtsLen) {
printf(" ATS (ATR): ");
print_hex(nt.nti.nai.abtAts, nt.nti.nai.szAtsLen);
}
}
*/
tags = freefare_get_tags(pnd);
if (!tags) {
printf("no Mifare classic\n");
} else {
for (i = 0; (!error) && tags[i]; i++) {
if (freefare_get_tag_type(tags[i]) == CLASSIC_1K)
printf("%u : Mifare 1k (S50)\n",i);
if (freefare_get_tag_type(tags[i]) == CLASSIC_4K)
printf("%u : Mifare 4k (S70)\n",i);
}
if(mifare_classic_connect(tags[0])==0) {
printf("connected\n");
if(mifare_classic_authenticate(tags[0], 1,keys[0],MFC_KEY_B) == OPERATION_OK) {
printf("Authenticated !\n");
if(mifare_classic_read (tags[0], 1, &dablock) == OPERATION_OK) {
printf("Block readed\n");
for(j=0; j<16; j++) {
printf("%02X ", dablock[j]);
}
printf("\n");
} else {
printf("Auth error : %s\n", freefare_strerror(tags[0]));
}
if(mifare_classic_get_data_block_permission (tags[0], 1, MCAB_R, MFC_KEY_A))
printf("i can READ this block with B\n");
if(mifare_classic_get_data_block_permission (tags[0], 1, MCAB_W, MFC_KEY_A))
printf("i can WRITE this block with B\n");
if(mifare_classic_get_data_block_permission (tags[0], 1, MCAB_I, MFC_KEY_A))
printf("i can INC this block with B\n");
if(mifare_classic_get_data_block_permission (tags[0], 1, MCAB_D, MFC_KEY_A))
printf("i can DEC this block with B\n");
printf("---\n");
/* trailer = ((block) / 4) * 4 + 3; */
if(mifare_classic_get_trailer_block_permission (tags[0], 3, MCAB_READ_KEYA, MFC_KEY_A))
printf("i can READ KEY A in trailer\n");
if(mifare_classic_get_trailer_block_permission (tags[0], 3, MCAB_WRITE_KEYA, MFC_KEY_A))
printf("i can WRITE KEY A in trailer\n");
if(mifare_classic_get_trailer_block_permission (tags[0], 3, MCAB_READ_ACCESS_BITS, MFC_KEY_A))
printf("i can READ ACCESS BITS in trailer\n");
if(mifare_classic_get_trailer_block_permission (tags[0], 3, MCAB_WRITE_ACCESS_BITS, MFC_KEY_A))
printf("i can WRITE ACCESS BITS in trailer\n");
if(mifare_classic_get_trailer_block_permission (tags[0], 3, MCAB_READ_KEYB, MFC_KEY_A))
printf("i can READ KEYB in trailer\n");
if(mifare_classic_get_trailer_block_permission (tags[0], 3, MCAB_WRITE_KEYB, MFC_KEY_A))
printf("i can WRITE KEYB in trailer\n");
/*
if(mifare_classic_write (tags[0], 1, mydata) == 0) {
printf("write ok\n");
}
*/
if(mifare_classic_init_value (tags[0], 1, 0x42, 00) == 0) {
printf("init value bloc ok\n");
}
/* compose trailer block */
/* ab0 ab1 ab2 abt gpb */
/* abt = C_100 = 4 = 100 = c3c2c1 != datasheet c1c2c3*/
//mifare_classic_trailer_block (&my_trailer_block, my_key_A, C_000, C_011, C_000, C_100, 0x69, my_key_B);
mifare_classic_trailer_block (&my_trailer_block, my_key_A, C_000, C_000, C_000, C_100, 0x69, my_key_B);
for(j=0; j<16; j++) {
printf("%02X ", my_trailer_block[j]);
}
printf("\n");
if(mifare_classic_write (tags[0], 3, my_trailer_block) == 0) {
printf("trailer write ok\n");
}
/*
if(mifare_classic_decrement(tags[0], 1, 1) == OPERATION_OK) {
printf("decrement ok\n");
} else {
printf("Decrement error : %s\n", freefare_strerror(tags[0]));
}
if(mifare_classic_transfer (tags[0], 1) == OPERATION_OK) {
printf("transfer ok\n");
} else {
printf("Transfert error : %s\n", freefare_strerror(tags[0]));
}
if(mifare_classic_read(tags[0], 1, &dablock) == OPERATION_OK) {
printf("Block readed\n");
for(j=0; j<16; j++) {
printf("%02X ", dablock[j]);
}
printf("\n");
} else {
printf("Read error : %s\n", freefare_strerror(tags[0]));
}
*/
} else {
printf("Erreur : %s\n", freefare_strerror(tags[0]));
}
mifare_classic_disconnect(tags[0]);
}
}
/*
for(i=0; i<1; i++) {
for(j=0; j<8; j++) {
memcpy(mp.mpa.abtKey, &keys[j*6], 6);
res = nfc_initiator_mifare_cmd(pnd, MC_AUTH_B, 0, &mp);
if(res) {
printf("sector %u / key %u : yes\n", i, j);
continue;
} else {
printf("sector %u / key %u : no\n", i, j);
}
}
}
*/
/*
// mifare parameters
memcpy(mp.mpa.abtAuthUid,nt.nti.nai.abtUid,4);
memcpy(mp.mpa.abtKey, &keys[0*6], 6);
// block
res = nfc_initiator_mifare_cmd(pnd, MC_AUTH_A, 0, &mp);
if(res) {
printf("Auth success\n");
} else {
printf("Auth failed\n");
}
for(i=0; i<4; i++) {
res = nfc_initiator_mifare_cmd(pnd, MC_READ, i, &mp);
if(res) {
print_hex(mp.mpd.abtData,16);
} else {
printf("Read failed\n");
}
}
*/
// Close NFC device
nfc_close(pnd);
// Release the context
nfc_exit(context);
exit(EXIT_SUCCESS);
}
