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Add hf mf info, change hf mf reader (#452)

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* copy functionality from `hf 14a reader` to `hf 14a info`
* added command `hf 14a reader` with simple anticollision-select procedure.
* add parameters to `hf 14a reader`. may start and end acting as reader
This commit is contained in:
Oleg Moiseenko 2017-11-01 09:51:05 +02:00 • committed by pwpiwi
parent 618c220c38
commit 7dac1034e5
1 changed files with 76 additions and 2 deletions
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78
client/cmdhf14a.c
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@ -133,7 +133,80 @@ int CmdHF14AList(const char *Cmd)
return 0; return 0;
} }
int CmdHF14AReader(const char *Cmd) int CmdHF14AReader(const char *Cmd) {
uint32_t cm = ISO14A_CONNECT;
bool disconnectAfter = false;
int cmdp = 0;
while(param_getchar(Cmd, cmdp) != 0x00) {
switch(param_getchar(Cmd, cmdp)) {
case 'h':
case 'H':
PrintAndLog("Usage: hf 14a reader [d] [3]");
PrintAndLog(" d drop the signal field after command executed");
PrintAndLog(" x just drop the signal field");
PrintAndLog(" 3 ISO14443-3 select only (skip RATS)");
return 0;
case '3':
cm |= ISO14A_NO_RATS;
break;
case 'd':
case 'D':
disconnectAfter = true;
break;
case 'x':
case 'X':
disconnectAfter = true;
cm = cm - ISO14A_CONNECT;
break;
default:
PrintAndLog("Unknown command.");
return 1;
}
cmdp++;
}
if (!disconnectAfter)
cm |= ISO14A_NO_DISCONNECT;
UsbCommand c = {CMD_READER_ISO_14443a, {cm, 0, 0}};
SendCommand(&c);
if (ISO14A_CONNECT & cm) {
UsbCommand resp;
WaitForResponse(CMD_ACK,&resp);
iso14a_card_select_t card;
memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
uint64_t select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
if(select_status == 0) {
PrintAndLog("iso14443a card select failed");
return 1;
}
if(select_status == 3) {
PrintAndLog("Card doesn't support standard iso14443-3 anticollision");
PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
return 1;
}
PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]);
if(card.ats_len >= 3) { // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len));
}
PrintAndLog("Card is selected. You can now start sending commands");
} else {
PrintAndLog("Field dropped.");
}
return 0;
}
int CmdHF14AInfo(const char *Cmd)
{ {
UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}}; UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
SendCommand(&c); SendCommand(&c);
@ -764,7 +837,8 @@ static command_t CommandTable[] =
{ {
{"help", CmdHelp, 1, "This help"}, {"help", CmdHelp, 1, "This help"},
{"list", CmdHF14AList, 0, "[Deprecated] List ISO 14443a history"}, {"list", CmdHF14AList, 0, "[Deprecated] List ISO 14443a history"},
{"reader", CmdHF14AReader, 0, "Act like an ISO14443 Type A reader"}, {"reader", CmdHF14AReader, 0, "Start acting like an ISO14443 Type A reader"},
{"info", CmdHF14AInfo, 0, "Reads card and shows information about it"},
{"cuids", CmdHF14ACUIDs, 0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"}, {"cuids", CmdHF14ACUIDs, 0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
{"sim", CmdHF14ASim, 0, "<UID> -- Simulate ISO 14443a tag"}, {"sim", CmdHF14ASim, 0, "<UID> -- Simulate ISO 14443a tag"},
{"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"}, {"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"},