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Add settable ATQA and SAK to hf mf csetuid command.

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This commit is contained in:
Jesse Hallio 2015-02-10 04:31:53 +02:00
commit 3bba7deac0
3 changed files with 65 additions and 29 deletions
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37
client/mifarehost.c
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@ -231,28 +231,31 @@ int mfEmlSetMem(uint8_t *data, int blockNum, int blocksCount) {
// "MAGIC" CARD
int mfCSetUID(uint8_t *uid, uint8_t *oldUID, bool wantWipe) {
int mfCSetUID(uint8_t *uid, uint8_t *atqa, uint8_t *sak, uint8_t *oldUID, bool wantWipe) {
uint8_t oldblock0[16] = {0x00};
uint8_t block0[16] = {0x00};
memcpy(block0, uid, 4);
block0[4] = block0[0]^block0[1]^block0[2]^block0[3]; // Mifare UID BCC
// mifare classic SAK(byte 5) and ATQA(byte 6 and 7)
//block0[5] = 0x08;
//block0[6] = 0x04;
//block0[7] = 0x00;
block0[5] = 0x01; //sak
block0[6] = 0x01;
block0[7] = 0x0f;
int old = mfCGetBlock(0, oldblock0, CSETBLOCK_SINGLE_OPER);
if ( old == 0) {
memcpy(block0+8, oldblock0+8, 8);
PrintAndLog("block 0: %s", sprint_hex(block0,16));
if (old == 0) {
memcpy(block0, oldblock0, 16);
PrintAndLog("old block 0: %s", sprint_hex(block0,16));
} else {
PrintAndLog("Couldn't get olddata. Will write over the last bytes of Block 0.");
PrintAndLog("Couldn't get old data. Will write over the last bytes of Block 0.");
}
// fill in the new values
// UID
memcpy(block0, uid, 4);
// Mifare UID BCC
block0[4] = block0[0]^block0[1]^block0[2]^block0[3];
// mifare classic SAK(byte 5) and ATQA(byte 6 and 7, reversed)
if (sak!=NULL)
block0[5]=sak[0];
if (atqa!=NULL) {
block0[6]=atqa[1];
block0[7]=atqa[0];
}
PrintAndLog("new block 0: %s", sprint_hex(block0,16));
return mfCSetBlock(0, block0, oldUID, wantWipe, CSETBLOCK_SINGLE_OPER);
}