static int CmdHelp(const char *Cmd);
static void waitCmd(uint8_t iLen);
-
// structure and database for uid -> tagtype lookups
typedef struct {
uint8_t uid;
// returns description of the best match
char* getTagInfo(uint8_t uid) {
- int i, best = -1;
+ int i;
int len = sizeof(manufactureMapping) / sizeof(manufactureName);
- for ( i = 0; i < len; ++i ) {
- if ( uid == manufactureMapping[i].uid) {
- if (best == -1) {
- best = i;
- }
- }
- }
+ for ( i = 0; i < len; ++i )
+ if ( uid == manufactureMapping[i].uid)
+ return manufactureMapping[i].desc;
- if (best>=0) return manufactureMapping[best].desc;
-
- return manufactureMapping[i].desc;
+ //No match, return default
+ return manufactureMapping[len-1].desc;
}
int CmdHF14AList(const char *Cmd)
return 0;
}
-void iso14a_set_timeout(uint32_t timeout) {
- UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_SET_TIMEOUT, 0, timeout}};
- SendCommand(&c);
-}
-
int CmdHF14AReader(const char *Cmd)
{
UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
SendCommand(&c);
WaitForResponse(CMD_ACK,&resp);
uint8_t isOK = resp.arg[0] & 0xff;
- PrintAndLog(" Answers to chinese magic backdoor commands: %s", (isOK ? "YES" : "NO") );
+ PrintAndLog("Answers to chinese magic backdoor commands: %s", (isOK ? "YES" : "NO") );
// disconnect
c.cmd = CMD_READER_ISO_14443a;
PrintAndLog(" syntax: hf 14a sim <type> <uid>");
PrintAndLog(" types: 1 = MIFARE Classic");
PrintAndLog(" 2 = MIFARE Ultralight");
- PrintAndLog(" 3 = MIFARE DESFIRE");
+ PrintAndLog(" 3 = MIFARE Desfire");
PrintAndLog(" 4 = ISO/IEC 14443-4");
- PrintAndLog(" 5 = MIFARE TNP3XXX");
+ PrintAndLog(" 5 = MIFARE Tnp3xxx");
PrintAndLog("");
return 1;
}
int CmdHF14ASnoop(const char *Cmd) {
int param = 0;
- if (param_getchar(Cmd, 0) == 'h') {
+ uint8_t ctmp = param_getchar(Cmd, 0) ;
+ if (ctmp == 'h' || ctmp == 'H') {
PrintAndLog("It get data from the field and saves it into command buffer.");
PrintAndLog("Buffer accessible from command hf list 14a.");
PrintAndLog("Usage: hf 14a snoop [c][r]");
}
for (int i = 0; i < 2; i++) {
- char ctmp = param_getchar(Cmd, i);
+ ctmp = param_getchar(Cmd, i);
if (ctmp == 'c' || ctmp == 'C') param |= 0x01;
if (ctmp == 'r' || ctmp == 'R') param |= 0x02;
}
uint8_t active=0;
uint8_t active_select=0;
uint16_t numbits=0;
+ uint32_t timeout=0;
+ uint8_t bTimeout=0;
char buf[5]="";
int i=0;
- uint8_t data[100];
- unsigned int datalen=0, temp;
+ uint8_t data[USB_CMD_DATA_SIZE];
+ uint16_t datalen=0;
+ uint32_t temp;
if (strlen(cmd)<2) {
- PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] <number of bits> <0A 0B 0C ... hex>");
+ PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] [-t] <number of bits> <0A 0B 0C ... hex>");
PrintAndLog(" -r do not read response");
PrintAndLog(" -c calculate and append CRC");
PrintAndLog(" -p leave the signal field ON after receive");
PrintAndLog(" -a active signal field ON without select");
PrintAndLog(" -s active signal field ON with select");
PrintAndLog(" -b number of bits to send. Useful for send partial byte");
+ PrintAndLog(" -t timeout in ms");
return 0;
}
while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
i-=2;
break;
+ case 't':
+ bTimeout=1;
+ sscanf(cmd+i+2,"%d",&temp);
+ timeout = temp;
+ i+=3;
+ while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
+ i-=2;
+ break;
default:
PrintAndLog("Invalid option");
return 0;
if (strlen(buf)>=2) {
sscanf(buf,"%x",&temp);
data[datalen]=(uint8_t)(temp & 0xff);
- datalen++;
*buf=0;
+ if (++datalen>sizeof(data)){
+ if (crc)
+ PrintAndLog("Buffer is full, we can't add CRC to your data");
+ break;
+ }
}
continue;
}
PrintAndLog("Invalid char on input");
return 0;
}
- if(crc && datalen>0)
+ if(crc && datalen>0 && datalen<sizeof(data)-2)
{
uint8_t first, second;
ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
if(active)
c.arg[0] |= ISO14A_NO_SELECT;
}
+
+ if(bTimeout){
+ #define MAX_TIMEOUT 40542464 // (2^32-1) * (8*16) / 13560000Hz * 1000ms/s =
+ c.arg[0] |= ISO14A_SET_TIMEOUT;
+ if(timeout > MAX_TIMEOUT) {
+ timeout = MAX_TIMEOUT;
+ PrintAndLog("Set timeout to 40542 seconds (11.26 hours). The max we can wait for response");
+ }
+ c.arg[2] = 13560000 / 1000 / (8*16) * timeout; // timeout in ETUs (time to transfer 1 bit, approx. 9.4 us)
+ }
if(power)
c.arg[0] |= ISO14A_NO_DISCONNECT;
if(datalen>0)
c.arg[0] |= ISO14A_RAW;
- c.arg[1] = datalen;
- c.arg[2] = numbits;
+ // Max buffer is USB_CMD_DATA_SIZE
+ c.arg[1] = (datalen & 0xFFFF) | (numbits << 16);
memcpy(c.d.asBytes,data,datalen);
SendCommand(&c);
{"list", CmdHF14AList, 0, "[Deprecated] List ISO 14443a history"},
{"reader", CmdHF14AReader, 0, "Act like an ISO14443 Type A reader"},
{"cuids", CmdHF14ACUIDs, 0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
- {"sim", CmdHF14ASim, 0, "<UID> -- Fake ISO 14443a tag"},
+ {"sim", CmdHF14ASim, 0, "<UID> -- Simulate ISO 14443a tag"},
{"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"},
{"raw", CmdHF14ACmdRaw, 0, "Send raw hex data to tag"},
{NULL, NULL, 0, NULL}