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Fix mifare-classic-write-ndef example when using a card with an existing MAD.

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Also fix some perror() -> nfc_perror().
This commit is contained in:
Romain Tartiere 2010-09-07 14:29:11 +00:00
parent cf4942b510
commit 40fa0d5d13
1 changed files with 35 additions and 13 deletions
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48
examples/mifare-classic-write-ndef.c
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@ -96,16 +96,16 @@ search_sector_key (MifareTag tag, MifareClassicSectorNumber sector, MifareClassi
}
int
fix_mad_trailer_block (MifareTag tag, MifareClassicSectorNumber sector, MifareClassicKey key, MifareClassicKeyType key_type)
fix_mad_trailer_block (nfc_device_t *device, MifareTag tag, MifareClassicSectorNumber sector, MifareClassicKey key, MifareClassicKeyType key_type)
{
MifareClassicBlock block;
mifare_classic_trailer_block (&block, mad_public_key_a, 0x0, 0x1, 0x1, 0x6, 0x00, default_keyb);
if (mifare_classic_authenticate (tag, mifare_classic_sector_last_block (sector), key, key_type) < 0) {
perror ("fix_mad_trailer_block mifare_classic_authenticate");
nfc_perror (device, "fix_mad_trailer_block mifare_classic_authenticate");
return -1;
}
if (mifare_classic_write (tag, mifare_classic_sector_last_block (sector), block) < 0) {
perror ("mifare_classic_write");
nfc_perror (device, "mifare_classic_write");
return -1;
}
return 0;
@ -118,6 +118,7 @@ main(int argc, char *argv[])
nfc_device_t *device = NULL;
MifareTag *tags = NULL;
Mad mad;
MifareClassicKey transport_key = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
(void)argc;
(void)argv;
@ -164,6 +165,11 @@ main(int argc, char *argv[])
fgets (buffer, BUFSIZ, stdin);
bool write_ndef = ((buffer[0] == 'y') || (buffer[0] == 'Y'));
for (int n = 0; n < 40; n++) {
memcpy(card_write_keys[n].key, transport_key, sizeof (transport_key));
card_write_keys[n].type = MFC_KEY_A;
}
if (write_ndef) {
switch (freefare_get_tag_type (tags[i])) {
case CLASSIC_4K:
@ -188,7 +194,7 @@ main(int argc, char *argv[])
switch (freefare_get_tag_type (tags[i])) {
case CLASSIC_4K:
if (card_write_keys[0x10].type != MFC_KEY_B) {
if( 0 != fix_mad_trailer_block( tags[i], 0x10, card_write_keys[0x10].key, card_write_keys[0x10].type)) {
if( 0 != fix_mad_trailer_block (device, tags[i], 0x10, card_write_keys[0x10].key, card_write_keys[0x10].type)) {
error = 1;
goto error;
}
@ -198,7 +204,7 @@ main(int argc, char *argv[])
/* fallthrough */
case CLASSIC_1K:
if (card_write_keys[0x00].type != MFC_KEY_B) {
if( 0 != fix_mad_trailer_block( tags[i], 0x00, card_write_keys[0x00].key, card_write_keys[0x00].type)) {
if( 0 != fix_mad_trailer_block (device, tags[i], 0x00, card_write_keys[0x00].key, card_write_keys[0x00].type)) {
error = 1;
goto error;
}
@ -223,6 +229,24 @@ main(int argc, char *argv[])
// If the card already has a MAD, load it.
if ((mad = mad_read (tags[i]))) {
// If our application already exists, erase it.
MifareClassicSectorNumber *sectors, *p;
sectors = p = mifare_application_find (mad, mad_nfcforum_aid);
if (sectors) {
while (*p) {
if (mifare_classic_authenticate (tags[i], mifare_classic_sector_last_block(*p), default_keyb, MFC_KEY_B) < 0) {
nfc_perror (device, "mifare_classic_authenticate");
error = 1;
goto error;
}
if (mifare_classic_format_sector (tags[i], *p) < 0) {
nfc_perror (device, "mifare_classic_format_sector");
error = 1;
goto error;
}
p++;
}
}
free (sectors);
mifare_application_free (mad, mad_nfcforum_aid);
} else {
@ -246,8 +270,6 @@ main(int argc, char *argv[])
break;
}
MifareClassicKey transport_key = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
// Mark unusable sectors as so
for (size_t s = max_s; s; s--) {
if (s == 0x10) continue;
@ -257,7 +279,7 @@ main(int argc, char *argv[])
(card_write_keys[s].type != MFC_KEY_A)) {
// Revert to transport configuration
if (mifare_classic_format_sector (tags[i], s) < 0) {
perror ("mifare_classic_format_sector");
nfc_perror (device, "mifare_classic_format_sector");
error = 1;
goto error;
}
@ -267,13 +289,13 @@ main(int argc, char *argv[])
MifareClassicSectorNumber *sectors = mifare_application_alloc (mad, mad_nfcforum_aid, encoded_size);
if (!sectors) {
perror ("mifare_application_alloc");
nfc_perror (device, "mifare_application_alloc");
error = EXIT_FAILURE;
goto error;
}
if (mad_write (tags[i], mad, card_write_keys[0x00].key, card_write_keys[0x10].key) < 0) {
perror ("mad_write");
nfc_perror (device, "mad_write");
error = EXIT_FAILURE;
goto error;
}
@ -284,12 +306,12 @@ main(int argc, char *argv[])
MifareClassicBlock block_data;
mifare_classic_trailer_block (&block_data, mifare_classic_nfcforum_public_key_a, 0x0, 0x0, 0x0, 0x6, 0x40, default_keyb);
if (mifare_classic_authenticate (tags[i], block, card_write_keys[sectors[s]].key, card_write_keys[sectors[s]].type) < 0) {
perror ("mifare_classic_authenticate");
nfc_perror (device, "mifare_classic_authenticate");
error = EXIT_FAILURE;
goto error;
}
if (mifare_classic_write (tags[i], block, block_data) < 0) {
perror ("mifare_classic_write");
nfc_perror (device, "mifare_classic_write");
error = EXIT_FAILURE;
goto error;
}
@ -297,7 +319,7 @@ main(int argc, char *argv[])
}
if ((ssize_t) encoded_size != mifare_application_write (tags[i], mad, mad_nfcforum_aid, tlv_data, encoded_size, default_keyb, MCAB_WRITE_KEYB)) {
perror ("mifare_application_write");
nfc_perror (device, "mifare_application_write");
error = EXIT_FAILURE;
goto error;
}